{ "id": "/cali/festivals/1908", "place": { "id": "3687925", "slug": "cali", "name": "Cali", "region": "Valle del Cauca Department, Colombia", "country": "CO", "lat": 3.43054, "lon": -76.5199, "elevation_m": 758, "tz": "America/Bogota" }, "year": 1908, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-01-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-01-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13566, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-01-01T02:21:30-04:56", "utc": "1908-01-01T07:17:30Z", "ms": -1956588149800.002 }, "end": { "local": "1908-01-01T23:33:49-04:56", "utc": "1908-01-02T04:29:49Z", "ms": -1956511811339.2937 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-01-01T02:21:30-04:56", "utc": "1908-01-01T07:17:30Z", "ms": -1956588149800.002 }, "end": { "local": "1908-01-01T23:33:49-04:56", "utc": "1908-01-02T04:29:49Z", "ms": -1956511811339.2937 } }, "kaala": "pradosha", "days": [ { "local_date": "1907-12-31", "window": { "start": { "local": "1907-12-31T18:10:32-04:56", "utc": "1907-12-31T23:06:32Z", "ms": -1956617608499.659 }, "end": { "local": "1907-12-31T19:47:13-04:56", "utc": "1908-01-01T00:43:13Z", "ms": -1956611807155.8777 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "1908-01-01", "window": { "start": { "local": "1908-01-01T18:11:01-04:56", "utc": "1908-01-01T23:07:01Z", "ms": -1956531178537.4626 }, "end": { "local": "1908-01-01T19:47:42-04:56", "utc": "1908-01-02T00:43:42Z", "ms": -1956525377526.0583 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:21 on Wed 1 Jan to 23:33 on Wed 1 Jan.", "fact": "1908-01-01T07:17:30Z → 1908-01-02T04:29:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:46 on the 31st, 18:10–19:47 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 31st and 97 of 97 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 13566 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cali, 1908: Wednesday 1 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": "1908-01-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-01-01", "confidence": "determinate" } ], "quote": "In Cali, Kṛṣṇa Pradoṣa Vrata 1908 falls on Wednesday 1 January. Trayodaśī runs from 02:21 on Wed 1 Jan to 23:33 on Wed 1 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-01-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shivaratri?on=1908-01-01", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-01-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 947, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-01-01T23:33:49-04:56", "utc": "1908-01-02T04:29:49Z", "ms": -1956511811339.2937 }, "end": { "local": "1908-01-02T20:19:12-04:56", "utc": "1908-01-03T01:15:12Z", "ms": -1956437088095.0986 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-01-01T23:33:49-04:56", "utc": "1908-01-02T04:29:49Z", "ms": -1956511811339.2937 }, "end": { "local": "1908-01-02T20:19:12-04:56", "utc": "1908-01-03T01:15:12Z", "ms": -1956437088095.0986 } }, "kaala": "nishita", "days": [ { "local_date": "1908-01-01", "window": { "start": { "local": "1908-01-01T23:49:35-04:56", "utc": "1908-01-02T04:45:35Z", "ms": -1956510864744.6963 }, "end": { "local": "1908-01-02T00:37:35-04:56", "utc": "1908-01-02T05:33:35Z", "ms": -1956507984744.6963 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-01-02", "window": { "start": { "local": "1908-01-02T23:50:04-04:56", "utc": "1908-01-03T04:46:04Z", "ms": -1956424436329.2715 }, "end": { "local": "1908-01-03T00:38:04-04:56", "utc": "1908-01-03T05:34:04Z", "ms": -1956421556329.2715 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:33 on Wed 1 Jan to 20:18 on Thu 2 Jan.", "fact": "1908-01-02T04:29:49Z → 1908-01-03T01:15:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 1st, 23:49–00:37 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 947 s" }, { "step": "ruling", "text": "Śivarātri, Cali, 1908: Wednesday 1 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": "1908-01-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-01-01", "confidence": "determinate" } ], "quote": "In Cali, Śivarātri 1908 falls on Wednesday 1 January. Caturdaśī runs from 23:33 on Wed 1 Jan to 20:18 on Thu 2 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/shivaratri?on=1908-01-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/vinayaka-chaturthi?on=1908-01-06", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-01-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20683, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-01-06T06:06:59-04:56", "utc": "1908-01-06T11:02:59Z", "ms": -1956142621457.3728 }, "end": { "local": "1908-01-07T03:04:11-04:56", "utc": "1908-01-07T08:00:11Z", "ms": -1956067188611.934 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-01-06T06:06:59-04:56", "utc": "1908-01-06T11:02:59Z", "ms": -1956142621457.3728 }, "end": { "local": "1908-01-07T03:04:11-04:56", "utc": "1908-01-07T08:00:11Z", "ms": -1956067188611.934 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-01-06", "window": { "start": { "local": "1908-01-06T11:51:41-04:56", "utc": "1908-01-06T16:47:41Z", "ms": -1956121938895.2297 }, "end": { "local": "1908-01-06T12:39:41-04:56", "utc": "1908-01-06T17:35:41Z", "ms": -1956119058895.2297 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-01-07", "window": { "start": { "local": "1908-01-07T11:52:08-04:56", "utc": "1908-01-07T16:48:08Z", "ms": -1956035512225.584 }, "end": { "local": "1908-01-07T12:40:08-04:56", "utc": "1908-01-07T17:36:08Z", "ms": -1956032632225.584 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:06 on Mon 6 Jan to 03:03 on Tue 7 Jan.", "fact": "1908-01-06T11:02:59Z → 1908-01-07T08:00:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 6th, 11:51–12:39 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20683 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cali, 1908: Monday 6 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-01-06", "confidence": "determinate" } ], "quote": "In Cali, Vināyaka Caturthī 1908 falls on Monday 6 January. Caturthī runs from 06:06 on Mon 6 Jan to 03:03 on Tue 7 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/vinayaka-chaturthi?on=1908-01-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14538, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1908-01-13T22:18:55-04:56", "utc": "1908-01-14T03:14:55Z", "ms": -1955479504547.187 }, "end": { "local": "1908-02-12T11:16:24-04:56", "utc": "1908-02-12T16:12:24Z", "ms": -1952927255500.0432 } }, "span": { "of": "transit", "start": { "local": "1908-01-13T22:18:55-04:56", "utc": "1908-01-14T03:14:55Z", "ms": -1955479504547.187 }, "end": { "local": "1908-01-13T22:18:55-04:56", "utc": "1908-01-14T03:14:55Z", "ms": -1955479504547.187 } }, "kaala": "sunset-day", "days": [ { "local_date": "1908-01-13", "window": { "start": { "local": "1908-01-12T18:16:12-04:56", "utc": "1908-01-12T23:12:12Z", "ms": -1955580468311.2468 }, "end": { "local": "1908-01-13T18:16:37-04:56", "utc": "1908-01-13T23:12:37Z", "ms": -1955494042685.7683 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1908-01-14", "window": { "start": { "local": "1908-01-13T18:16:37-04:56", "utc": "1908-01-13T23:12:37Z", "ms": -1955494042685.7683 }, "end": { "local": "1908-01-14T18:17:02-04:56", "utc": "1908-01-14T23:13:02Z", "ms": -1955407617597.5867 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1908-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 22:18 on Mon 13 Jan.", "fact": "1908-01-14T03:14:55Z · 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 18:16, and the day of the 14th ends at 18:16.", "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 14538 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Cali, 1908: Monday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1908-01-12", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1908-01-12", "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 Cali, Bhogi 1908 falls on Monday 13 January. It is kept the day before Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 22:18 on Mon 13 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 midnight, or counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6081, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1908-01-13T22:18:55-04:56", "utc": "1908-01-14T03:14:55Z", "ms": -1955479504547.187 }, "end": { "local": "1908-02-12T11:16:24-04:56", "utc": "1908-02-12T16:12:24Z", "ms": -1952927255500.0432 } }, "span": { "of": "transit", "start": { "local": "1908-01-13T22:18:55-04:56", "utc": "1908-01-14T03:14:55Z", "ms": -1955479504547.187 }, "end": { "local": "1908-01-13T22:18:55-04:56", "utc": "1908-01-14T03:14:55Z", "ms": -1955479504547.187 } }, "kaala": "civil-day", "days": [ { "local_date": "1908-01-13", "window": { "start": { "local": "1908-01-13T00:00:16-04:56", "utc": "1908-01-13T04:56:16Z", "ms": -1955559824000 }, "end": { "local": "1908-01-14T00:00:16-04:56", "utc": "1908-01-14T04:56:16Z", "ms": -1955473424000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "1908-01-14", "window": { "start": { "local": "1908-01-14T00:00:16-04:56", "utc": "1908-01-14T04:56:16Z", "ms": -1955473424000 }, "end": { "local": "1908-01-15T00:00:16-04:56", "utc": "1908-01-15T04:56:16Z", "ms": -1955387024000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 22:18 on Mon 13 Jan.", "fact": "1908-01-14T03:14:55Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Cali.", "fact": "civil-day: midnight-to-midnight · America/Bogota" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 6081 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Cali, 1908: Monday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1908-01-13", "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": "1908-01-14", "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 Cali, Makara Saṅkrānti 1908 falls on Monday 13 January. The Sun enters Makara at 22:18 on Mon 13 Jan, and the rule counts the day from midnight. 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 January.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-01-13", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25560, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-01-12T21:48:15-04:56", "utc": "1908-01-13T02:44:15Z", "ms": -1955567745216.9795 }, "end": { "local": "1908-01-13T23:14:56-04:56", "utc": "1908-01-14T04:10:56Z", "ms": -1955476144136.461 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-01-12T21:48:15-04:56", "utc": "1908-01-13T02:44:15Z", "ms": -1955567745216.9795 }, "end": { "local": "1908-01-13T23:14:56-04:56", "utc": "1908-01-14T04:10:56Z", "ms": -1955476144136.461 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-01-13", "window": { "start": { "local": "1908-01-13T06:20:36-04:56", "utc": "1908-01-13T11:16:36Z", "ms": -1955537004295.5547 }, "end": { "local": "1908-01-13T06:20:36-04:56", "utc": "1908-01-13T11:16:36Z", "ms": -1955537004295.5547 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-01-14", "window": { "start": { "local": "1908-01-14T06:20:56-04:56", "utc": "1908-01-14T11:16:56Z", "ms": -1955450584006.5427 }, "end": { "local": "1908-01-14T06:20:56-04:56", "utc": "1908-01-14T11:16:56Z", "ms": -1955450584006.5427 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:47 on Sun 12 Jan to 23:14 on Mon 13 Jan.", "fact": "1908-01-13T02:44:15Z → 1908-01-14T04:10:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 13th and 06:20 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not 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 25560 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Cali, 1908: Monday 13 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": "1908-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-01-13", "confidence": "determinate" } ], "quote": "In Cali, Putradā Ekādaśī 1908 falls on Monday 13 January. Ekādaśī runs from 21:47 on Sun 12 Jan to 23:14 on Mon 13 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-01-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14538, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1908-01-13T22:18:55-04:56", "utc": "1908-01-14T03:14:55Z", "ms": -1955479504547.187 }, "end": { "local": "1908-02-12T11:16:24-04:56", "utc": "1908-02-12T16:12:24Z", "ms": -1952927255500.0432 } }, "span": { "of": "transit", "start": { "local": "1908-01-13T22:18:55-04:56", "utc": "1908-01-14T03:14:55Z", "ms": -1955479504547.187 }, "end": { "local": "1908-01-13T22:18:55-04:56", "utc": "1908-01-14T03:14:55Z", "ms": -1955479504547.187 } }, "kaala": "sunset-day", "days": [ { "local_date": "1908-01-13", "window": { "start": { "local": "1908-01-12T18:16:12-04:56", "utc": "1908-01-12T23:12:12Z", "ms": -1955580468311.2468 }, "end": { "local": "1908-01-13T18:16:37-04:56", "utc": "1908-01-13T23:12:37Z", "ms": -1955494042685.7683 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1908-01-14", "window": { "start": { "local": "1908-01-13T18:16:37-04:56", "utc": "1908-01-13T23:12:37Z", "ms": -1955494042685.7683 }, "end": { "local": "1908-01-14T18:17:02-04:56", "utc": "1908-01-14T23:13:02Z", "ms": -1955407617597.5867 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 22:18 on Mon 13 Jan.", "fact": "1908-01-14T03:14:55Z · 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 18:16, and the day of the 14th ends at 18:16.", "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 14538 s" }, { "step": "ruling", "text": "Pongal, Cali, 1908: Tuesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1908-01-13", "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": "1908-01-13", "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 Cali, Pongal 1908 falls on Tuesday 14 January. The Sun enters Makara at 22:18 on Mon 13 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 midnight, or counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14538, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1908-01-13T22:18:55-04:56", "utc": "1908-01-14T03:14:55Z", "ms": -1955479504547.187 }, "end": { "local": "1908-02-12T11:16:24-04:56", "utc": "1908-02-12T16:12:24Z", "ms": -1952927255500.0432 } }, "span": { "of": "transit", "start": { "local": "1908-01-13T22:18:55-04:56", "utc": "1908-01-14T03:14:55Z", "ms": -1955479504547.187 }, "end": { "local": "1908-01-13T22:18:55-04:56", "utc": "1908-01-14T03:14:55Z", "ms": -1955479504547.187 } }, "kaala": "sunset-day", "days": [ { "local_date": "1908-01-13", "window": { "start": { "local": "1908-01-12T18:16:12-04:56", "utc": "1908-01-12T23:12:12Z", "ms": -1955580468311.2468 }, "end": { "local": "1908-01-13T18:16:37-04:56", "utc": "1908-01-13T23:12:37Z", "ms": -1955494042685.7683 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1908-01-14", "window": { "start": { "local": "1908-01-13T18:16:37-04:56", "utc": "1908-01-13T23:12:37Z", "ms": -1955494042685.7683 }, "end": { "local": "1908-01-14T18:17:02-04:56", "utc": "1908-01-14T23:13:02Z", "ms": -1955407617597.5867 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1908-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 22:18 on Mon 13 Jan.", "fact": "1908-01-14T03:14:55Z · 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 18:16, and the day of the 14th ends at 18:16.", "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 14538 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Cali, 1908: Wednesday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1908-01-14", "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": "1908-01-14", "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 Cali, Mattu Pongal 1908 falls on Wednesday 15 January. It is kept the day after Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 22:18 on Mon 13 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 midnight, or counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/pradosha-vrata?on=1908-01-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19019, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-01-15T01:10:35-04:56", "utc": "1908-01-15T06:06:35Z", "ms": -1955382804757.4707 }, "end": { "local": "1908-01-16T03:28:07-04:56", "utc": "1908-01-16T08:24:07Z", "ms": -1955288153008.2712 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-01-15T01:10:35-04:56", "utc": "1908-01-15T06:06:35Z", "ms": -1955382804757.4707 }, "end": { "local": "1908-01-16T03:28:07-04:56", "utc": "1908-01-16T08:24:07Z", "ms": -1955288153008.2712 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-01-14", "window": { "start": { "local": "1908-01-14T18:17:02-04:56", "utc": "1908-01-14T23:13:02Z", "ms": -1955407617597.5867 }, "end": { "local": "1908-01-14T19:53:36-04:56", "utc": "1908-01-15T00:49:36Z", "ms": -1955401823846.8054 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "1908-01-15", "window": { "start": { "local": "1908-01-15T18:17:27-04:56", "utc": "1908-01-15T23:13:27Z", "ms": -1955321193065.9634 }, "end": { "local": "1908-01-15T19:54:00-04:56", "utc": "1908-01-16T00:50:00Z", "ms": -1955315400082.665 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:10 on Wed 15 Jan to 03:27 on Thu 16 Jan.", "fact": "1908-01-15T06:06:35Z → 1908-01-16T08:24:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:16–19:53 on the 14th, 18:16–19:53 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 14th and 97 of 97 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19019 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cali, 1908: Wednesday 15 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": "1908-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-01-15", "confidence": "determinate" } ], "quote": "In Cali, Śukla Pradoṣa Vrata 1908 falls on Wednesday 15 January. Trayodaśī runs from 01:10 on Wed 15 Jan to 03:27 on Thu 16 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/sankashta-chaturthi?on=1908-01-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11151, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-01-21T16:26:24-04:56", "utc": "1908-01-21T21:22:24Z", "ms": -1954809455791.1292 }, "end": { "local": "1908-01-22T18:34:51-04:56", "utc": "1908-01-22T23:30:51Z", "ms": -1954715349354.957 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-01-21T16:26:24-04:56", "utc": "1908-01-21T21:22:24Z", "ms": -1954809455791.1292 }, "end": { "local": "1908-01-22T18:34:51-04:56", "utc": "1908-01-22T23:30:51Z", "ms": -1954715349354.957 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-01-21", "window": { "start": { "local": "1908-01-21T20:56:27-04:56", "utc": "1908-01-22T01:52:27Z", "ms": -1954793253359.5122 }, "end": { "local": "1908-01-21T20:56:27-04:56", "utc": "1908-01-22T01:52:27Z", "ms": -1954793253359.5122 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-01-22", "window": { "start": { "local": "1908-01-22T21:40:42-04:56", "utc": "1908-01-23T02:36:42Z", "ms": -1954704197940.5234 }, "end": { "local": "1908-01-22T21:40:42-04:56", "utc": "1908-01-23T02:36:42Z", "ms": -1954704197940.5234 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:25 on Tue 21 Jan to 18:34 on Wed 22 Jan.", "fact": "1908-01-21T21:22:24Z → 1908-01-22T23:30:51Z" }, { "step": "kaala", "text": "Moonrise is at 20:55 on the 21st and 21:40 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11151 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cali, 1908: Tuesday 21 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": "1908-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-01-21", "confidence": "determinate" } ], "quote": "In Cali, Saṅkaṣṭa Caturthī 1908 falls on Tuesday 21 January. Caturthī runs from 16:25 on Tue 21 Jan to 18:34 on Wed 22 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/sankashta-chaturthi?on=1908-01-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/ekadashi?on=1908-01-29", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38821, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-01-28T19:27:26-04:56", "utc": "1908-01-29T00:23:26Z", "ms": -1954193793552.599 }, "end": { "local": "1908-01-29T17:11:25-04:56", "utc": "1908-01-29T22:07:25Z", "ms": -1954115555388.5479 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-01-28T19:27:26-04:56", "utc": "1908-01-29T00:23:26Z", "ms": -1954193793552.599 }, "end": { "local": "1908-01-29T17:11:25-04:56", "utc": "1908-01-29T22:07:25Z", "ms": -1954115555388.5479 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-01-28", "window": { "start": { "local": "1908-01-28T06:24:16-04:56", "utc": "1908-01-28T11:20:16Z", "ms": -1954240783902.8545 }, "end": { "local": "1908-01-28T06:24:16-04:56", "utc": "1908-01-28T11:20:16Z", "ms": -1954240783902.8545 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-01-29", "window": { "start": { "local": "1908-01-29T06:24:24-04:56", "utc": "1908-01-29T11:20:24Z", "ms": -1954154375931.019 }, "end": { "local": "1908-01-29T06:24:24-04:56", "utc": "1908-01-29T11:20:24Z", "ms": -1954154375931.019 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:26 on Tue 28 Jan to 17:10 on Wed 29 Jan.", "fact": "1908-01-29T00:23:26Z → 1908-01-29T22:07:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 28th and 06:23 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38821 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Cali, 1908: Wednesday 29 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": "1908-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-01-29", "confidence": "determinate" } ], "quote": "In Cali, Ṣaṭtilā Ekādaśī 1908 falls on Wednesday 29 January. Ekādaśī runs from 19:26 on Tue 28 Jan to 17:10 on Wed 29 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-01-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-01-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14499, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-01-30T14:20:39-04:56", "utc": "1908-01-30T19:16:39Z", "ms": -1954039400634.9526 }, "end": { "local": "1908-01-31T11:02:33-04:56", "utc": "1908-01-31T15:58:33Z", "ms": -1953964887284.187 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-01-30T14:20:39-04:56", "utc": "1908-01-30T19:16:39Z", "ms": -1954039400634.9526 }, "end": { "local": "1908-01-31T11:02:33-04:56", "utc": "1908-01-31T15:58:33Z", "ms": -1953964887284.187 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-01-30", "window": { "start": { "local": "1908-01-30T18:22:18-04:56", "utc": "1908-01-30T23:18:18Z", "ms": -1954024901517.653 }, "end": { "local": "1908-01-30T19:58:37-04:56", "utc": "1908-01-31T00:54:37Z", "ms": -1954019122995.7102 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1908-01-31", "window": { "start": { "local": "1908-01-31T18:22:32-04:56", "utc": "1908-01-31T23:18:32Z", "ms": -1953938487647.5762 }, "end": { "local": "1908-01-31T19:58:50-04:56", "utc": "1908-02-01T00:54:50Z", "ms": -1953932710262.0793 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:20 on Thu 30 Jan to 11:02 on Fri 31 Jan.", "fact": "1908-01-30T19:16:39Z → 1908-01-31T15:58:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:21–19:58 on the 30th, 18:22–19:58 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 30th and 0 of 96 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14499 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cali, 1908: Thursday 30 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": "1908-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-01-30", "confidence": "determinate" } ], "quote": "In Cali, Kṛṣṇa Pradoṣa Vrata 1908 falls on Thursday 30 January. Trayodaśī runs from 14:20 on Thu 30 Jan to 11:02 on Fri 31 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-01-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shivaratri?on=1908-01-31", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23893, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-01-31T11:02:33-04:56", "utc": "1908-01-31T15:58:33Z", "ms": -1953964887284.187 }, "end": { "local": "1908-02-01T07:25:51-04:56", "utc": "1908-02-01T12:21:51Z", "ms": -1953891488982.1812 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-01-31T11:02:33-04:56", "utc": "1908-01-31T15:58:33Z", "ms": -1953964887284.187 }, "end": { "local": "1908-02-01T07:25:51-04:56", "utc": "1908-02-01T12:21:51Z", "ms": -1953891488982.1812 } }, "kaala": "nishita", "days": [ { "local_date": "1908-01-30", "window": { "start": { "local": "1908-01-30T23:59:28-04:56", "utc": "1908-01-31T04:55:28Z", "ms": -1954004672060.3677 }, "end": { "local": "1908-01-31T00:47:28-04:56", "utc": "1908-01-31T05:43:28Z", "ms": -1954001792060.3677 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-01-31", "window": { "start": { "local": "1908-01-31T23:59:38-04:56", "utc": "1908-02-01T04:55:38Z", "ms": -1953918262451.963 }, "end": { "local": "1908-02-01T00:47:38-04:56", "utc": "1908-02-01T05:43:38Z", "ms": -1953915382451.963 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:02 on Fri 31 Jan to 07:25 on Sat 1 Feb.", "fact": "1908-01-31T15:58:33Z → 1908-02-01T12:21:51Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:58–00:46 on the 30th, 23:59–00:47 on the 31st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23893 s" }, { "step": "ruling", "text": "Śivarātri, Cali, 1908: Friday 31 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": "1908-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-01-31", "confidence": "determinate" } ], "quote": "In Cali, Śivarātri 1908 falls on Friday 31 January. Caturdaśī runs from 11:02 on Fri 31 Jan to 07:25 on Sat 1 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/shivaratri?on=1908-01-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3668, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-01-31T11:02:33-04:56", "utc": "1908-01-31T15:58:33Z", "ms": -1953964887284.187 }, "end": { "local": "1908-02-01T07:25:51-04:56", "utc": "1908-02-01T12:21:51Z", "ms": -1953891488982.1812 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-01-31T11:02:33-04:56", "utc": "1908-01-31T15:58:33Z", "ms": -1953964887284.187 }, "end": { "local": "1908-02-01T07:25:51-04:56", "utc": "1908-02-01T12:21:51Z", "ms": -1953891488982.1812 } }, "kaala": "arunodaya", "days": [ { "local_date": "1908-01-31", "window": { "start": { "local": "1908-01-31T04:48:19-04:56", "utc": "1908-01-31T09:44:19Z", "ms": -1953987341125.025 }, "end": { "local": "1908-01-31T06:24:37-04:56", "utc": "1908-01-31T11:20:37Z", "ms": -1953981562603.082 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1908-02-01", "window": { "start": { "local": "1908-02-01T04:48:25-04:56", "utc": "1908-02-01T09:44:25Z", "ms": -1953900934641.8464 }, "end": { "local": "1908-02-01T06:24:43-04:56", "utc": "1908-02-01T11:20:43Z", "ms": -1953895157256.3496 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:02 on Fri 31 Jan to 07:25 on Sat 1 Feb.", "fact": "1908-01-31T15:58:33Z → 1908-02-01T12:21:51Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:47–06:24 on the 31st, 04:47–06:24 on the 1st.", "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 96 minutes on the 31st and 96 of 96 on the 1st.", "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 3668 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Cali, 1908: Saturday 1 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-01", "confidence": "determinate" } ], "quote": "In Cali, Yama Tarpaṇa 1908 falls on Saturday 1 February. Caturdaśī runs from 11:02 on Fri 31 Jan to 07:25 on Sat 1 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4060, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-02-04T17:15:40-04:56", "utc": "1908-02-04T22:11:40Z", "ms": -1953596899618.2373 }, "end": { "local": "1908-02-05T14:39:20-04:56", "utc": "1908-02-05T19:35:20Z", "ms": -1953519880178.951 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-02-04T17:15:40-04:56", "utc": "1908-02-04T22:11:40Z", "ms": -1953596899618.2373 }, "end": { "local": "1908-02-05T14:39:20-04:56", "utc": "1908-02-05T19:35:20Z", "ms": -1953519880178.951 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-02-04", "window": { "start": { "local": "1908-02-04T18:23:20-04:56", "utc": "1908-02-04T23:19:20Z", "ms": -1953592839696.1616 }, "end": { "local": "1908-02-04T19:59:33-04:56", "utc": "1908-02-05T00:55:33Z", "ms": -1953587067036.9731 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1908-02-05", "window": { "start": { "local": "1908-02-05T18:23:30-04:56", "utc": "1908-02-05T23:19:30Z", "ms": -1953506429622.7542 }, "end": { "local": "1908-02-05T19:59:42-04:56", "utc": "1908-02-06T00:55:42Z", "ms": -1953500658187.2366 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:15 on Tue 4 Feb to 14:38 on Wed 5 Feb.", "fact": "1908-02-04T22:11:40Z → 1908-02-05T19:35:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–19:59 on the 4th, 18:23–19:59 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 96 of 96 minutes on the 4th and 0 of 96 on the 5th.", "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 4060 s" }, { "step": "ruling", "text": "Tila Caturthī, Cali, 1908: Tuesday 4 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-04", "confidence": "determinate" } ], "quote": "In Cali, Tila Caturthī 1908 falls on Tuesday 4 February. Caturthī runs from 17:15 on Tue 4 Feb to 14:38 on Wed 5 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6667, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-02-04T17:15:40-04:56", "utc": "1908-02-04T22:11:40Z", "ms": -1953596899618.2373 }, "end": { "local": "1908-02-05T14:39:20-04:56", "utc": "1908-02-05T19:35:20Z", "ms": -1953519880178.951 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-02-04T17:15:40-04:56", "utc": "1908-02-04T22:11:40Z", "ms": -1953596899618.2373 }, "end": { "local": "1908-02-05T14:39:20-04:56", "utc": "1908-02-05T19:35:20Z", "ms": -1953519880178.951 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-02-04", "window": { "start": { "local": "1908-02-04T12:00:07-04:56", "utc": "1908-02-04T16:56:07Z", "ms": -1953615833118.1558 }, "end": { "local": "1908-02-04T12:48:07-04:56", "utc": "1908-02-04T17:44:07Z", "ms": -1953612953118.1558 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-02-05", "window": { "start": { "local": "1908-02-05T12:00:13-04:56", "utc": "1908-02-05T16:56:13Z", "ms": -1953529427187.501 }, "end": { "local": "1908-02-05T12:48:13-04:56", "utc": "1908-02-05T17:44:13Z", "ms": -1953526547187.501 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:15 on Tue 4 Feb to 14:38 on Wed 5 Feb.", "fact": "1908-02-04T22:11:40Z → 1908-02-05T19:35:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 4th, 11:59–12:47 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6667 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Cali, 1908: Wednesday 5 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-05", "confidence": "determinate" } ], "quote": "In Cali, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1908 falls on Wednesday 5 February. Caturthī runs from 17:15 on Tue 4 Feb to 14:38 on Wed 5 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-06", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 245, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1908-02-05T14:39:20-04:56", "utc": "1908-02-05T19:35:20Z", "ms": -1953519880178.951 }, "end": { "local": "1908-02-06T12:44:13-04:56", "utc": "1908-02-06T17:40:13Z", "ms": -1953440387121.7122 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-02-05T14:39:20-04:56", "utc": "1908-02-05T19:35:20Z", "ms": -1953519880178.951 }, "end": { "local": "1908-02-06T12:44:13-04:56", "utc": "1908-02-06T17:40:13Z", "ms": -1953440387121.7122 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-02-05", "window": { "start": { "local": "1908-02-05T12:00:13-04:56", "utc": "1908-02-05T16:56:13Z", "ms": -1953529427187.501 }, "end": { "local": "1908-02-05T12:48:13-04:56", "utc": "1908-02-05T17:44:13Z", "ms": -1953526547187.501 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-02-06", "window": { "start": { "local": "1908-02-06T12:00:18-04:56", "utc": "1908-02-06T16:56:18Z", "ms": -1953443022088.7722 }, "end": { "local": "1908-02-06T12:48:18-04:56", "utc": "1908-02-06T17:44:18Z", "ms": -1953440142088.7722 } }, "covered_min": 44, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:38 on Wed 5 Feb to 12:43 on Thu 6 Feb.", "fact": "1908-02-05T19:35:20Z → 1908-02-06T17:40:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 5th, 11:59–12:47 on the 6th.", "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 5th and 44 of 48 on the 6th.", "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 245 s < 300 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Cali, 1908: Thursday 6 February.", "fact": "confidence: boundary (margin)" } ], "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": "1908-02-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-06", "confidence": "determinate" } ], "quote": "In Cali, Śrī Pañcamī 1908 falls on Thursday 6 February. Pañcamī runs from 14:38 on Wed 5 Feb to 12:43 on Thu 6 Feb and covers 44 of 48 minutes of madhyāhna that midday. It is 4 min 05 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-06", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 245, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1908-02-05T14:39:20-04:56", "utc": "1908-02-05T19:35:20Z", "ms": -1953519880178.951 }, "end": { "local": "1908-02-06T12:44:13-04:56", "utc": "1908-02-06T17:40:13Z", "ms": -1953440387121.7122 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-02-05T14:39:20-04:56", "utc": "1908-02-05T19:35:20Z", "ms": -1953519880178.951 }, "end": { "local": "1908-02-06T12:44:13-04:56", "utc": "1908-02-06T17:40:13Z", "ms": -1953440387121.7122 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-02-05", "window": { "start": { "local": "1908-02-05T12:00:13-04:56", "utc": "1908-02-05T16:56:13Z", "ms": -1953529427187.501 }, "end": { "local": "1908-02-05T12:48:13-04:56", "utc": "1908-02-05T17:44:13Z", "ms": -1953526547187.501 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-02-06", "window": { "start": { "local": "1908-02-06T12:00:18-04:56", "utc": "1908-02-06T16:56:18Z", "ms": -1953443022088.7722 }, "end": { "local": "1908-02-06T12:48:18-04:56", "utc": "1908-02-06T17:44:18Z", "ms": -1953440142088.7722 } }, "covered_min": 44, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:38 on Wed 5 Feb to 12:43 on Thu 6 Feb.", "fact": "1908-02-05T19:35:20Z → 1908-02-06T17:40:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 5th, 11:59–12:47 on the 6th.", "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 5th and 44 of 48 on the 6th.", "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 245 s < 300 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Cali, 1908: Thursday 6 February.", "fact": "confidence: boundary (margin)" } ], "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": "1908-02-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-06", "confidence": "determinate" } ], "quote": "In Cali, Vasanta Pañcamī 1908 falls on Thursday 6 February. Pañcamī runs from 14:38 on Wed 5 Feb to 12:43 on Thu 6 Feb and covers 44 of 48 minutes of madhyāhna that midday. It is 4 min 05 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17730, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1908-02-07T11:36:47-04:56", "utc": "1908-02-07T16:32:47Z", "ms": -1953358033415.8462 }, "end": { "local": "1908-02-08T11:20:25-04:56", "utc": "1908-02-08T16:16:25Z", "ms": -1953272614752.35 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-02-07T11:36:47-04:56", "utc": "1908-02-07T16:32:47Z", "ms": -1953358033415.8462 }, "end": { "local": "1908-02-08T11:20:25-04:56", "utc": "1908-02-08T16:16:25Z", "ms": -1953272614752.35 } }, "kaala": "arunodaya", "days": [ { "local_date": "1908-02-07", "window": { "start": { "local": "1908-02-07T04:48:46-04:56", "utc": "1908-02-07T09:44:46Z", "ms": -1953382514045.386 }, "end": { "local": "1908-02-07T06:24:56-04:56", "utc": "1908-02-07T11:20:56Z", "ms": -1953376743849.1113 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1908-02-08", "window": { "start": { "local": "1908-02-08T04:48:46-04:56", "utc": "1908-02-08T09:44:46Z", "ms": -1953296113667.007 }, "end": { "local": "1908-02-08T06:24:55-04:56", "utc": "1908-02-08T11:20:55Z", "ms": -1953290344724.9307 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 11:36 on Fri 7 Feb to 11:19 on Sat 8 Feb.", "fact": "1908-02-07T16:32:47Z → 1908-02-08T16:16:25Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:48–06:24 on the 7th, 04:48–06:24 on the 8th.", "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 0 of 96 minutes on the 7th and 96 of 96 on the 8th.", "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 17730 s" }, { "step": "ruling", "text": "Ratha Saptamī, Cali, 1908: Saturday 8 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-08", "confidence": "determinate" } ], "quote": "In Cali, Ratha Saptamī 1908 falls on Saturday 8 February. Saptamī runs from 11:36 on Fri 7 Feb to 11:19 on Sat 8 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-02-12", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31718, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-02-11T15:13:25-04:56", "utc": "1908-02-11T20:09:25Z", "ms": -1952999434932.8203 }, "end": { "local": "1908-02-12T17:38:35-04:56", "utc": "1908-02-12T22:34:35Z", "ms": -1952904325128.1162 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-02-11T15:13:25-04:56", "utc": "1908-02-11T20:09:25Z", "ms": -1952999434932.8203 }, "end": { "local": "1908-02-12T17:38:35-04:56", "utc": "1908-02-12T22:34:35Z", "ms": -1952904325128.1162 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-02-11", "window": { "start": { "local": "1908-02-11T06:24:47-04:56", "utc": "1908-02-11T11:20:47Z", "ms": -1953031152569.261 }, "end": { "local": "1908-02-11T06:24:47-04:56", "utc": "1908-02-11T11:20:47Z", "ms": -1953031152569.261 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-02-12", "window": { "start": { "local": "1908-02-12T06:24:43-04:56", "utc": "1908-02-12T11:20:43Z", "ms": -1952944756888.6753 }, "end": { "local": "1908-02-12T06:24:43-04:56", "utc": "1908-02-12T11:20:43Z", "ms": -1952944756888.6753 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:12 on Tue 11 Feb to 17:38 on Wed 12 Feb.", "fact": "1908-02-11T20:09:25Z → 1908-02-12T22:34:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 11th and 06:24 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31718 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Cali, 1908: Wednesday 12 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": "1908-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-12", "confidence": "determinate" } ], "quote": "In Cali, Jayā Ekādaśī 1908 falls on Wednesday 12 February. Ekādaśī runs from 15:12 on Tue 11 Feb to 17:38 on Wed 12 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-02-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17404, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1908-02-12T17:38:35-04:56", "utc": "1908-02-12T22:34:35Z", "ms": -1952904325128.1162 }, "end": { "local": "1908-02-13T20:18:50-04:56", "utc": "1908-02-14T01:14:50Z", "ms": -1952808309517.6895 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-02-12T17:38:35-04:56", "utc": "1908-02-12T22:34:35Z", "ms": -1952904325128.1162 }, "end": { "local": "1908-02-13T20:18:50-04:56", "utc": "1908-02-14T01:14:50Z", "ms": -1952808309517.6895 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-02-12", "window": { "start": { "local": "1908-02-12T12:00:31-04:56", "utc": "1908-02-12T16:56:31Z", "ms": -1952924608714.519 }, "end": { "local": "1908-02-12T12:48:31-04:56", "utc": "1908-02-12T17:44:31Z", "ms": -1952921728714.519 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-02-13", "window": { "start": { "local": "1908-02-13T12:00:31-04:56", "utc": "1908-02-13T16:56:31Z", "ms": -1952838209279.322 }, "end": { "local": "1908-02-13T12:48:31-04:56", "utc": "1908-02-13T17:44:31Z", "ms": -1952835329279.322 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:38 on Wed 12 Feb to 20:18 on Thu 13 Feb.", "fact": "1908-02-12T22:34:35Z → 1908-02-14T01:14:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 12th, 12:00–12:48 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17404 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Cali, 1908: Thursday 13 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": "1908-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-13", "confidence": "determinate" } ], "quote": "In Cali, Bhīṣma Dvādaśī 1908 falls on Thursday 13 February. Dvādaśī runs from 17:38 on Wed 12 Feb to 20:18 on Thu 13 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/pradosha-vrata?on=1908-02-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1106, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-02-13T20:18:50-04:56", "utc": "1908-02-14T01:14:50Z", "ms": -1952808309517.6895 }, "end": { "local": "1908-02-14T23:03:07-04:56", "utc": "1908-02-15T03:59:07Z", "ms": -1952712053427.7783 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-02-13T20:18:50-04:56", "utc": "1908-02-14T01:14:50Z", "ms": -1952808309517.6895 }, "end": { "local": "1908-02-14T23:03:07-04:56", "utc": "1908-02-15T03:59:07Z", "ms": -1952712053427.7783 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-02-13", "window": { "start": { "local": "1908-02-13T18:24:23-04:56", "utc": "1908-02-13T23:20:23Z", "ms": -1952815176518.391 }, "end": { "local": "1908-02-13T20:00:25-04:56", "utc": "1908-02-14T00:56:25Z", "ms": -1952809415383.987 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1908-02-14", "window": { "start": { "local": "1908-02-14T18:24:27-04:56", "utc": "1908-02-14T23:20:27Z", "ms": -1952728773215.9717 }, "end": { "local": "1908-02-14T20:00:27-04:56", "utc": "1908-02-15T00:56:27Z", "ms": -1952723013425.1016 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:18 on Thu 13 Feb to 23:02 on Fri 14 Feb.", "fact": "1908-02-14T01:14:50Z → 1908-02-15T03:59:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–19:59 on the 13th, 18:23–19:59 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 96 minutes on the 13th and 96 of 96 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1106 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cali, 1908: Friday 14 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": "1908-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-14", "confidence": "boundary" } ], "quote": "In Cali, Śukla Pradoṣa Vrata 1908 falls on Friday 14 February. Trayodaśī runs from 20:18 on Thu 13 Feb to 23:02 on Fri 14 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-02-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28266, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-02-16T01:42:12-04:56", "utc": "1908-02-16T06:38:12Z", "ms": -1952616108299.5195 }, "end": { "local": "1908-02-17T04:09:15-04:56", "utc": "1908-02-17T09:05:15Z", "ms": -1952520885051.537 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1908-02-16T01:42:12-04:56", "utc": "1908-02-16T06:38:12Z", "ms": -1952616108299.5195 }, "end": { "local": "1908-02-17T04:09:15-04:56", "utc": "1908-02-17T09:05:15Z", "ms": -1952520885051.537 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-02-16", "window": { "start": { "local": "1908-02-16T12:00:24-04:56", "utc": "1908-02-16T16:56:24Z", "ms": -1952579015534.0247 }, "end": { "local": "1908-02-16T12:48:24-04:56", "utc": "1908-02-16T17:44:24Z", "ms": -1952576135534.0247 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-02-17", "window": { "start": { "local": "1908-02-17T12:00:21-04:56", "utc": "1908-02-17T16:56:21Z", "ms": -1952492619091.9673 }, "end": { "local": "1908-02-17T12:48:21-04:56", "utc": "1908-02-17T17:44:21Z", "ms": -1952489739091.9673 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:41 on Sun 16 Feb to 04:08 on Mon 17 Feb.", "fact": "1908-02-16T06:38:12Z → 1908-02-17T09:05:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 16th, 11:59–12:47 on the 17th.", "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 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28266 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Cali, 1908: Sunday 16 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": "1908-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-16", "confidence": "determinate" } ], "quote": "In Cali, Māghī Pūrṇimā 1908 falls on Sunday 16 February. Pūrṇimā runs from 01:41 on Sun 16 Feb to 04:08 on Mon 17 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/sankashta-chaturthi?on=1908-02-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40303, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-02-20T09:37:43-04:56", "utc": "1908-02-20T14:33:43Z", "ms": -1952241976621.6162 }, "end": { "local": "1908-02-21T10:40:45-04:56", "utc": "1908-02-21T15:36:45Z", "ms": -1952151794667.8647 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1908-02-20T09:37:43-04:56", "utc": "1908-02-20T14:33:43Z", "ms": -1952241976621.6162 }, "end": { "local": "1908-02-21T10:40:45-04:56", "utc": "1908-02-21T15:36:45Z", "ms": -1952151794667.8647 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-02-20", "window": { "start": { "local": "1908-02-20T21:07:27-04:56", "utc": "1908-02-21T02:03:27Z", "ms": -1952200593497.8098 }, "end": { "local": "1908-02-20T21:07:27-04:56", "utc": "1908-02-21T02:03:27Z", "ms": -1952200593497.8098 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-02-21", "window": { "start": { "local": "1908-02-21T21:52:28-04:56", "utc": "1908-02-22T02:48:28Z", "ms": -1952111491982.534 }, "end": { "local": "1908-02-21T21:52:28-04:56", "utc": "1908-02-22T02:48:28Z", "ms": -1952111491982.534 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:37 on Thu 20 Feb to 10:40 on Fri 21 Feb.", "fact": "1908-02-20T14:33:43Z → 1908-02-21T15:36:45Z" }, { "step": "kaala", "text": "Moonrise is at 21:06 on the 20th and 21:51 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 40303 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cali, 1908: Thursday 20 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": "1908-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-20", "confidence": "determinate" } ], "quote": "In Cali, Saṅkaṣṭa Caturthī 1908 falls on Thursday 20 February. Caturthī runs from 09:37 on Thu 20 Feb to 10:40 on Fri 21 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/sankashta-chaturthi?on=1908-02-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/ekadashi?on=1908-02-27", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 940, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-02-27T06:06:27-04:56", "utc": "1908-02-27T11:02:27Z", "ms": -1951649852598.458 }, "end": { "local": "1908-02-28T03:26:24-04:56", "utc": "1908-02-28T08:22:24Z", "ms": -1951573055838.8499 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1908-02-27T06:06:27-04:56", "utc": "1908-02-27T11:02:27Z", "ms": -1951649852598.458 }, "end": { "local": "1908-02-28T03:26:24-04:56", "utc": "1908-02-28T08:22:24Z", "ms": -1951573055838.8499 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-02-27", "window": { "start": { "local": "1908-02-27T06:22:07-04:56", "utc": "1908-02-27T11:18:07Z", "ms": -1951648912602.1423 }, "end": { "local": "1908-02-27T06:22:07-04:56", "utc": "1908-02-27T11:18:07Z", "ms": -1951648912602.1423 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-02-28", "window": { "start": { "local": "1908-02-28T06:21:52-04:56", "utc": "1908-02-28T11:17:52Z", "ms": -1951562528250.2644 }, "end": { "local": "1908-02-28T06:21:52-04:56", "utc": "1908-02-28T11:17:52Z", "ms": -1951562528250.2644 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:05 on Thu 27 Feb to 03:25 on Fri 28 Feb.", "fact": "1908-02-27T11:02:27Z → 1908-02-28T08:22:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 27th and 06:21 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 940 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Cali, 1908: Thursday 27 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": "1908-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-27", "confidence": "determinate" } ], "quote": "In Cali, Vijayā Ekādaśī 1908 falls on Thursday 27 February. Ekādaśī runs from 06:05 on Thu 27 Feb to 03:25 on Fri 28 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10721, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-02-29T20:59:59-04:56", "utc": "1908-03-01T01:55:59Z", "ms": -1951423441429.3975 }, "end": { "local": "1908-03-01T17:29:41-04:56", "utc": "1908-03-01T22:25:41Z", "ms": -1951349659183.951 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1908-02-29T20:59:59-04:56", "utc": "1908-03-01T01:55:59Z", "ms": -1951423441429.3975 }, "end": { "local": "1908-03-01T17:29:41-04:56", "utc": "1908-03-01T22:25:41Z", "ms": -1951349659183.951 } }, "kaala": "nishita", "days": [ { "local_date": "1908-02-29", "window": { "start": { "local": "1908-02-29T23:58:39-04:56", "utc": "1908-03-01T04:54:39Z", "ms": -1951412720795.8672 }, "end": { "local": "1908-03-01T00:46:39-04:56", "utc": "1908-03-01T05:42:39Z", "ms": -1951409840795.8672 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-03-01", "window": { "start": { "local": "1908-03-01T23:58:27-04:56", "utc": "1908-03-02T04:54:27Z", "ms": -1951326332555.5417 }, "end": { "local": "1908-03-02T00:46:27-04:56", "utc": "1908-03-02T05:42:27Z", "ms": -1951323452555.5417 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:59 on Sat 29 Feb to 17:29 on Sun 1 Mar.", "fact": "1908-03-01T01:55:59Z → 1908-03-01T22:25:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:58–00:46 on the 29th, 23:57–00:45 on the 1st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 1st.", "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 10721 s" }, { "step": "ruling", "text": "Mahāśivarātri, Cali, 1908: Saturday 29 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": "1908-02-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-29", "confidence": "determinate" } ], "quote": "In Cali, Mahāśivarātri 1908 falls on Saturday 29 February. Caturdaśī runs from 20:59 on Sat 29 Feb to 17:29 on Sun 1 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/pradosha-vrata?on=1908-02-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-02-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3620, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-02-29T00:21:49-04:56", "utc": "1908-02-29T05:17:49Z", "ms": -1951497731321.6775 }, "end": { "local": "1908-02-29T20:59:59-04:56", "utc": "1908-03-01T01:55:59Z", "ms": -1951423441429.3975 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1908-02-29T00:21:49-04:56", "utc": "1908-02-29T05:17:49Z", "ms": -1951497731321.6775 }, "end": { "local": "1908-02-29T20:59:59-04:56", "utc": "1908-03-01T01:55:59Z", "ms": -1951423441429.3975 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-02-28", "window": { "start": { "local": "1908-02-28T18:24:05-04:56", "utc": "1908-02-28T23:20:05Z", "ms": -1951519194631.9495 }, "end": { "local": "1908-02-28T19:59:45-04:56", "utc": "1908-02-29T00:55:45Z", "ms": -1951513454608.7666 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1908-02-29", "window": { "start": { "local": "1908-02-29T18:24:00-04:56", "utc": "1908-02-29T23:20:00Z", "ms": -1951432800380.95 }, "end": { "local": "1908-02-29T19:59:38-04:56", "utc": "1908-03-01T00:55:38Z", "ms": -1951427061824.928 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:21 on Sat 29 Feb to 20:59 on Sat 29 Feb.", "fact": "1908-02-29T05:17:49Z → 1908-03-01T01:55:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–19:59 on the 28th, 18:23–19:59 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 96 minutes on the 28th and 96 of 96 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 3620 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cali, 1908: Saturday 29 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": "1908-02-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-02-29", "confidence": "determinate" } ], "quote": "In Cali, Kṛṣṇa Pradoṣa Vrata 1908 falls on Saturday 29 February. Trayodaśī runs from 00:21 on Sat 29 Feb to 20:59 on Sat 29 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-02-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/vinayaka-chaturthi?on=1908-03-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23314, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-03-05T05:29:11-04:56", "utc": "1908-03-05T10:25:11Z", "ms": -1951047288974.7034 }, "end": { "local": "1908-03-06T03:50:46-04:56", "utc": "1908-03-06T08:46:46Z", "ms": -1950966793781.7852 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1908-03-05T05:29:11-04:56", "utc": "1908-03-05T10:25:11Z", "ms": -1951047288974.7034 }, "end": { "local": "1908-03-06T03:50:46-04:56", "utc": "1908-03-06T08:46:46Z", "ms": -1950966793781.7852 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-03-05", "window": { "start": { "local": "1908-03-05T11:57:45-04:56", "utc": "1908-03-05T16:53:45Z", "ms": -1951023974786.695 }, "end": { "local": "1908-03-05T12:45:45-04:56", "utc": "1908-03-05T17:41:45Z", "ms": -1951021094786.695 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-03-06", "window": { "start": { "local": "1908-03-06T11:57:31-04:56", "utc": "1908-03-06T16:53:31Z", "ms": -1950937588657.43 }, "end": { "local": "1908-03-06T12:45:31-04:56", "utc": "1908-03-06T17:41:31Z", "ms": -1950934708657.43 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:28 on Thu 5 Mar to 03:50 on Fri 6 Mar.", "fact": "1908-03-05T10:25:11Z → 1908-03-06T08:46:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 5th, 11:57–12:45 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23314 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cali, 1908: Thursday 5 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": "1908-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-03-05", "confidence": "determinate" } ], "quote": "In Cali, Vināyaka Caturthī 1908 falls on Thursday 5 March. Caturthī runs from 05:28 on Thu 5 Mar to 03:50 on Fri 6 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/vinayaka-chaturthi?on=1908-03-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/ekadashi?on=1908-03-13", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15362, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-03-12T10:33:45-04:56", "utc": "1908-03-12T15:29:45Z", "ms": -1950424215175.4644 }, "end": { "local": "1908-03-13T13:16:23-04:56", "utc": "1908-03-13T18:12:23Z", "ms": -1950328057167.457 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1908-03-12T10:33:45-04:56", "utc": "1908-03-12T15:29:45Z", "ms": -1950424215175.4644 }, "end": { "local": "1908-03-13T13:16:23-04:56", "utc": "1908-03-13T18:12:23Z", "ms": -1950328057167.457 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-03-12", "window": { "start": { "local": "1908-03-12T06:17:43-04:56", "utc": "1908-03-12T11:13:43Z", "ms": -1950439576985.6216 }, "end": { "local": "1908-03-12T06:17:43-04:56", "utc": "1908-03-12T11:13:43Z", "ms": -1950439576985.6216 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-03-13", "window": { "start": { "local": "1908-03-13T06:17:21-04:56", "utc": "1908-03-13T11:13:21Z", "ms": -1950353198978.1873 }, "end": { "local": "1908-03-13T06:17:21-04:56", "utc": "1908-03-13T11:13:21Z", "ms": -1950353198978.1873 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:33 on Thu 12 Mar to 13:15 on Fri 13 Mar.", "fact": "1908-03-12T15:29:45Z → 1908-03-13T18:12:23Z" }, { "step": "kaala", "text": "Sunrise is at 06:17 on the 12th and 06:16 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15362 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Cali, 1908: Friday 13 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": "1908-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-03-13", "confidence": "determinate" } ], "quote": "In Cali, Āmalakī Ekādaśī 1908 falls on Friday 13 March. Ekādaśī runs from 10:33 on Thu 12 Mar to 13:15 on Fri 13 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-03-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-03-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 710, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-03-14T15:51:48-04:56", "utc": "1908-03-14T20:47:48Z", "ms": -1950232332346.1094 }, "end": { "local": "1908-03-15T18:09:53-04:56", "utc": "1908-03-15T23:05:53Z", "ms": -1950137647402.9653 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1908-03-14T15:51:48-04:56", "utc": "1908-03-14T20:47:48Z", "ms": -1950232332346.1094 }, "end": { "local": "1908-03-15T18:09:53-04:56", "utc": "1908-03-15T23:05:53Z", "ms": -1950137647402.9653 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-03-14", "window": { "start": { "local": "1908-03-14T18:21:54-04:56", "utc": "1908-03-14T23:17:54Z", "ms": -1950223325557.7896 }, "end": { "local": "1908-03-14T19:57:12-04:56", "utc": "1908-03-15T00:53:12Z", "ms": -1950217607996.4788 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "1908-03-15", "window": { "start": { "local": "1908-03-15T18:21:43-04:56", "utc": "1908-03-15T23:17:43Z", "ms": -1950136936995.6863 }, "end": { "local": "1908-03-15T19:56:59-04:56", "utc": "1908-03-16T00:52:59Z", "ms": -1950131220953.3188 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:51 on Sat 14 Mar to 18:09 on Sun 15 Mar.", "fact": "1908-03-14T20:47:48Z → 1908-03-15T23:05:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:21–19:56 on the 14th, 18:21–19:56 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 95 of 95 minutes on the 14th and 0 of 95 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 710 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cali, 1908: Saturday 14 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": "1908-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-03-14", "confidence": "determinate" } ], "quote": "In Cali, Śukla Pradoṣa Vrata 1908 falls on Saturday 14 March. Trayodaśī runs from 15:51 on Sat 14 Mar to 18:09 on Sun 15 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-03-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6168, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-03-16T20:04:19-04:56", "utc": "1908-03-17T01:00:19Z", "ms": -1950044381027.3384 }, "end": { "local": "1908-03-17T21:32:17-04:56", "utc": "1908-03-18T02:28:17Z", "ms": -1949952703457.6206 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1908-03-16T20:04:19-04:56", "utc": "1908-03-17T01:00:19Z", "ms": -1950044381027.3384 }, "end": { "local": "1908-03-17T21:32:17-04:56", "utc": "1908-03-18T02:28:17Z", "ms": -1949952703457.6206 } }, "kaala": "sayahna", "days": [ { "local_date": "1908-03-16", "window": { "start": { "local": "1908-03-16T15:56:28-04:56", "utc": "1908-03-16T20:52:28Z", "ms": -1950059252261.1216 }, "end": { "local": "1908-03-16T18:21:31-04:56", "utc": "1908-03-16T23:17:31Z", "ms": -1950050548656.9192 } }, "covered_min": 0, "window_min": 145, "qualifies": false }, { "local_date": "1908-03-17", "window": { "start": { "local": "1908-03-17T15:56:14-04:56", "utc": "1908-03-17T20:52:14Z", "ms": -1949972866362.9468 }, "end": { "local": "1908-03-17T18:21:19-04:56", "utc": "1908-03-17T23:17:19Z", "ms": -1949964160518.8784 } }, "covered_min": 145, "window_min": 145, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:03 on Mon 16 Mar to 21:31 on Tue 17 Mar.", "fact": "1908-03-17T01:00:19Z → 1908-03-18T02:28:17Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:55–18:21 on the 16th, 15:55–18:20 on the 17th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 145 minutes on the 16th and 145 of 145 on the 17th.", "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 6168 s" }, { "step": "ruling", "text": "Holikā Dahana, Cali, 1908: Tuesday 17 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": "1908-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-03-17", "confidence": "determinate" } ], "quote": "In Cali, Holikā Dahana 1908 falls on Tuesday 17 March. Pūrṇimā runs from 20:03 on Mon 16 Mar to 21:31 on Tue 17 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6168, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-03-16T20:04:19-04:56", "utc": "1908-03-17T01:00:19Z", "ms": -1950044381027.3384 }, "end": { "local": "1908-03-17T21:32:17-04:56", "utc": "1908-03-18T02:28:17Z", "ms": -1949952703457.6206 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1908-03-16T20:04:19-04:56", "utc": "1908-03-17T01:00:19Z", "ms": -1950044381027.3384 }, "end": { "local": "1908-03-17T21:32:17-04:56", "utc": "1908-03-18T02:28:17Z", "ms": -1949952703457.6206 } }, "kaala": "sayahna", "days": [ { "local_date": "1908-03-16", "window": { "start": { "local": "1908-03-16T15:56:28-04:56", "utc": "1908-03-16T20:52:28Z", "ms": -1950059252261.1216 }, "end": { "local": "1908-03-16T18:21:31-04:56", "utc": "1908-03-16T23:17:31Z", "ms": -1950050548656.9192 } }, "covered_min": 0, "window_min": 145, "qualifies": false }, { "local_date": "1908-03-17", "window": { "start": { "local": "1908-03-17T15:56:14-04:56", "utc": "1908-03-17T20:52:14Z", "ms": -1949972866362.9468 }, "end": { "local": "1908-03-17T18:21:19-04:56", "utc": "1908-03-17T23:17:19Z", "ms": -1949964160518.8784 } }, "covered_min": 145, "window_min": 145, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1908-03-17", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:03 on Mon 16 Mar to 21:31 on Tue 17 Mar.", "fact": "1908-03-17T01:00:19Z → 1908-03-18T02:28:17Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:55–18:21 on the 16th, 15:55–18:20 on the 17th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 145 minutes on the 16th and 145 of 145 on the 17th.", "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 6168 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Tuesday 17 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Cali, 1908: Wednesday 18 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": "1908-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-03-18", "confidence": "determinate" } ], "quote": "In Cali, Holī 1908 falls on Wednesday 18 March. It is kept the day after Holikā Dahana, which falls on Tuesday 17 March. Pūrṇimā runs from 20:03 on Mon 16 Mar to 21:31 on Tue 17 Mar and covers all of sāyāhna on the 17th.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27695, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1908-03-17T21:32:17-04:56", "utc": "1908-03-18T02:28:17Z", "ms": -1949952703457.6206 }, "end": { "local": "1908-03-18T22:33:29-04:56", "utc": "1908-03-19T03:29:29Z", "ms": -1949862631204.262 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-03-17T21:32:17-04:56", "utc": "1908-03-18T02:28:17Z", "ms": -1949952703457.6206 }, "end": { "local": "1908-03-18T22:33:29-04:56", "utc": "1908-03-19T03:29:29Z", "ms": -1949862631204.262 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-03-18", "window": { "start": { "local": "1908-03-18T06:15:27-04:56", "utc": "1908-03-18T11:11:27Z", "ms": -1949921313007.4146 }, "end": { "local": "1908-03-18T06:15:27-04:56", "utc": "1908-03-18T11:11:27Z", "ms": -1949921313007.4146 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-03-19", "window": { "start": { "local": "1908-03-19T06:15:04-04:56", "utc": "1908-03-19T11:11:04Z", "ms": -1949834936457.9048 }, "end": { "local": "1908-03-19T06:15:04-04:56", "utc": "1908-03-19T11:11:04Z", "ms": -1949834936457.9048 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 21:31 on Tue 17 Mar to 22:32 on Wed 18 Mar.", "fact": "1908-03-18T02:28:17Z → 1908-03-19T03:29:29Z" }, { "step": "kaala", "text": "Sunrise is at 06:14 on the 18th and 06:14 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27695 s" }, { "step": "ruling", "text": "Vasantotsava, Cali, 1908: Wednesday 18 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": "1908-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-03-18", "confidence": "determinate" } ], "quote": "In Cali, Vasantotsava 1908 falls on Wednesday 18 March. Pratipadā runs from 21:31 on Tue 17 Mar to 22:32 on Wed 18 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/sankashta-chaturthi?on=1908-03-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6235, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-03-20T23:20:46-04:56", "utc": "1908-03-21T04:16:46Z", "ms": -1949686993987.0974 }, "end": { "local": "1908-03-21T23:09:45-04:56", "utc": "1908-03-22T04:05:45Z", "ms": -1949601254657.458 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-03-20T23:20:46-04:56", "utc": "1908-03-21T04:16:46Z", "ms": -1949686993987.0974 }, "end": { "local": "1908-03-21T23:09:45-04:56", "utc": "1908-03-22T04:05:45Z", "ms": -1949601254657.458 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-03-20", "window": { "start": { "local": "1908-03-20T20:37:06-04:56", "utc": "1908-03-21T01:33:06Z", "ms": -1949696814449.7766 }, "end": { "local": "1908-03-20T20:37:06-04:56", "utc": "1908-03-21T01:33:06Z", "ms": -1949696814449.7766 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-03-21", "window": { "start": { "local": "1908-03-21T21:25:50-04:56", "utc": "1908-03-22T02:21:50Z", "ms": -1949607489740.5955 }, "end": { "local": "1908-03-21T21:25:50-04:56", "utc": "1908-03-22T02:21:50Z", "ms": -1949607489740.5955 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:20 on Fri 20 Mar to 23:09 on Sat 21 Mar.", "fact": "1908-03-21T04:16:46Z → 1908-03-22T04:05:45Z" }, { "step": "kaala", "text": "Moonrise is at 20:36 on the 20th and 21:25 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6235 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cali, 1908: Saturday 21 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": "1908-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-03-21", "confidence": "determinate" } ], "quote": "In Cali, Saṅkaṣṭa Caturthī 1908 falls on Saturday 21 March. Caturthī runs from 23:20 on Fri 20 Mar to 23:09 on Sat 21 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/sankashta-chaturthi?on=1908-03-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21714, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1908-03-24T20:23:14-04:56", "utc": "1908-03-25T01:19:14Z", "ms": -1949352045527.8086 }, "end": { "local": "1908-03-25T18:42:04-04:56", "utc": "1908-03-25T23:38:04Z", "ms": -1949271715978.4822 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-03-24T20:23:14-04:56", "utc": "1908-03-25T01:19:14Z", "ms": -1949352045527.8086 }, "end": { "local": "1908-03-25T18:42:04-04:56", "utc": "1908-03-25T23:38:04Z", "ms": -1949271715978.4822 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-03-24", "window": { "start": { "local": "1908-03-24T11:52:29-04:56", "utc": "1908-03-24T16:48:29Z", "ms": -1949382691417.3418 }, "end": { "local": "1908-03-24T12:40:29-04:56", "utc": "1908-03-24T17:36:29Z", "ms": -1949379811417.3418 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-03-25", "window": { "start": { "local": "1908-03-25T11:52:10-04:56", "utc": "1908-03-25T16:48:10Z", "ms": -1949296309759.121 }, "end": { "local": "1908-03-25T12:40:10-04:56", "utc": "1908-03-25T17:36:10Z", "ms": -1949293429759.121 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:22 on Tue 24 Mar to 18:41 on Wed 25 Mar.", "fact": "1908-03-25T01:19:14Z → 1908-03-25T23:38:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 24th, 11:51–12:39 on the 25th.", "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 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 21714 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Cali, 1908: Wednesday 25 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": "1908-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-03-25", "confidence": "determinate" } ], "quote": "In Cali, Śītalāṣṭamī 1908 falls on Wednesday 25 March. Aṣṭamī runs from 20:22 on Tue 24 Mar to 18:41 on Wed 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-03-28", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19245, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-03-27T14:13:49-04:56", "utc": "1908-03-27T19:09:49Z", "ms": -1949115010872.0808 }, "end": { "local": "1908-03-28T11:32:14-04:56", "utc": "1908-03-28T16:28:14Z", "ms": -1949038306313.2073 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-03-27T14:13:49-04:56", "utc": "1908-03-27T19:09:49Z", "ms": -1949115010872.0808 }, "end": { "local": "1908-03-28T11:32:14-04:56", "utc": "1908-03-28T16:28:14Z", "ms": -1949038306313.2073 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-03-27", "window": { "start": { "local": "1908-03-27T06:11:52-04:56", "utc": "1908-03-27T11:07:52Z", "ms": -1949143927716.3938 }, "end": { "local": "1908-03-27T06:11:52-04:56", "utc": "1908-03-27T11:07:52Z", "ms": -1949143927716.3938 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-03-28", "window": { "start": { "local": "1908-03-28T06:11:28-04:56", "utc": "1908-03-28T11:07:28Z", "ms": -1949057551738.71 }, "end": { "local": "1908-03-28T06:11:28-04:56", "utc": "1908-03-28T11:07:28Z", "ms": -1949057551738.71 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:13 on Fri 27 Mar to 11:31 on Sat 28 Mar.", "fact": "1908-03-27T19:09:49Z → 1908-03-28T16:28:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 27th and 06:10 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19245 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Cali, 1908: Saturday 28 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": "1908-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-03-28", "confidence": "determinate" } ], "quote": "In Cali, Pāpamocanī Ekādaśī 1908 falls on Saturday 28 March. Ekādaśī runs from 14:13 on Fri 27 Mar to 11:31 on Sat 28 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-03-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-03-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34793, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-03-29T08:38:56-04:56", "utc": "1908-03-29T13:34:56Z", "ms": -1948962303724.558 }, "end": { "local": "1908-03-30T05:41:02-04:56", "utc": "1908-03-30T10:37:02Z", "ms": -1948886578148.037 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-03-29T08:38:56-04:56", "utc": "1908-03-29T13:34:56Z", "ms": -1948962303724.558 }, "end": { "local": "1908-03-30T05:41:02-04:56", "utc": "1908-03-30T10:37:02Z", "ms": -1948886578148.037 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-03-29", "window": { "start": { "local": "1908-03-29T18:18:50-04:56", "utc": "1908-03-29T23:14:50Z", "ms": -1948927510348.4854 }, "end": { "local": "1908-03-29T19:53:44-04:56", "utc": "1908-03-30T00:49:44Z", "ms": -1948921815587.2612 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "1908-03-30", "window": { "start": { "local": "1908-03-30T18:18:37-04:56", "utc": "1908-03-30T23:14:37Z", "ms": -1948841122841.5605 }, "end": { "local": "1908-03-30T19:53:30-04:56", "utc": "1908-03-31T00:49:30Z", "ms": -1948835429593.8513 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:38 on Sun 29 Mar to 05:40 on Mon 30 Mar.", "fact": "1908-03-29T13:34:56Z → 1908-03-30T10:37:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:53 on the 29th, 18:18–19:53 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 95 of 95 minutes on the 29th and 0 of 95 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34793 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cali, 1908: Sunday 29 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": "1908-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-03-29", "confidence": "determinate" } ], "quote": "In Cali, Kṛṣṇa Pradoṣa Vrata 1908 falls on Sunday 29 March. Trayodaśī runs from 08:38 on Sun 29 Mar to 05:40 on Mon 30 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shivaratri?on=1908-03-30", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7711, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-03-30T05:41:02-04:56", "utc": "1908-03-30T10:37:02Z", "ms": -1948886578148.037 }, "end": { "local": "1908-03-31T02:46:57-04:56", "utc": "1908-03-31T07:42:57Z", "ms": -1948810622536.9807 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-03-30T05:41:02-04:56", "utc": "1908-03-30T10:37:02Z", "ms": -1948886578148.037 }, "end": { "local": "1908-03-31T02:46:57-04:56", "utc": "1908-03-31T07:42:57Z", "ms": -1948810622536.9807 } }, "kaala": "nishita", "days": [ { "local_date": "1908-03-29", "window": { "start": { "local": "1908-03-29T23:50:45-04:56", "utc": "1908-03-30T04:46:45Z", "ms": -1948907594993.895 }, "end": { "local": "1908-03-30T00:38:45-04:56", "utc": "1908-03-30T05:34:45Z", "ms": -1948904714993.895 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-03-30", "window": { "start": { "local": "1908-03-30T23:50:27-04:56", "utc": "1908-03-31T04:46:27Z", "ms": -1948821213162.6511 }, "end": { "local": "1908-03-31T00:38:27-04:56", "utc": "1908-03-31T05:34:27Z", "ms": -1948818333162.6511 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:40 on Mon 30 Mar to 02:46 on Tue 31 Mar.", "fact": "1908-03-30T10:37:02Z → 1908-03-31T07:42:57Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 29th, 23:49–00:37 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7711 s" }, { "step": "ruling", "text": "Śivarātri, Cali, 1908: Monday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-03-30", "confidence": "determinate" } ], "quote": "In Cali, Śivarātri 1908 falls on Monday 30 March. Caturdaśī runs from 05:40 on Mon 30 Mar to 02:46 on Tue 31 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/shivaratri?on=1908-03-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33013, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1908-04-01T00:06:06-04:56", "utc": "1908-04-01T05:02:06Z", "ms": -1948733873520.3162 }, "end": { "local": "1908-04-01T21:48:16-04:56", "utc": "1908-04-02T02:44:16Z", "ms": -1948655744385.9563 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-04-01T00:06:06-04:56", "utc": "1908-04-01T05:02:06Z", "ms": -1948733873520.3162 }, "end": { "local": "1908-04-01T21:48:16-04:56", "utc": "1908-04-02T02:44:16Z", "ms": -1948655744385.9563 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-03-31", "window": { "start": { "local": "1908-03-31T11:50:21-04:56", "utc": "1908-03-31T16:46:21Z", "ms": -1948778019370.6255 }, "end": { "local": "1908-03-31T12:38:21-04:56", "utc": "1908-03-31T17:34:21Z", "ms": -1948775139370.6255 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-04-01", "window": { "start": { "local": "1908-04-01T11:50:03-04:56", "utc": "1908-04-01T16:46:03Z", "ms": -1948691637409.415 }, "end": { "local": "1908-04-01T12:38:03-04:56", "utc": "1908-04-01T17:34:03Z", "ms": -1948688757409.415 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 00:05 on Wed 1 Apr to 21:47 on Wed 1 Apr.", "fact": "1908-04-01T05:02:06Z → 1908-04-02T02:44:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 31st, 11:49–12:37 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33013 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Cali, 1908: Wednesday 1 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-01", "confidence": "determinate" } ], "quote": "In Cali, Navarātrārambha (Caitra) (Chaitra Navratri) 1908 falls on Wednesday 1 April. Pratipadā runs from 00:05 on Wed 1 Apr to 21:47 on Wed 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22846, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1908-04-02T20:02:53-04:56", "utc": "1908-04-03T00:58:53Z", "ms": -1948575667188.6143 }, "end": { "local": "1908-04-03T18:58:13-04:56", "utc": "1908-04-03T23:54:13Z", "ms": -1948493146764.6401 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-04-02T20:02:53-04:56", "utc": "1908-04-03T00:58:53Z", "ms": -1948575667188.6143 }, "end": { "local": "1908-04-03T18:58:13-04:56", "utc": "1908-04-03T23:54:13Z", "ms": -1948493146764.6401 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-04-02", "window": { "start": { "local": "1908-04-02T11:49:45-04:56", "utc": "1908-04-02T16:45:45Z", "ms": -1948605255342.0728 }, "end": { "local": "1908-04-02T12:37:45-04:56", "utc": "1908-04-02T17:33:45Z", "ms": -1948602375342.0728 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-04-03", "window": { "start": { "local": "1908-04-03T11:49:27-04:56", "utc": "1908-04-03T16:45:27Z", "ms": -1948518873153.6157 }, "end": { "local": "1908-04-03T12:37:27-04:56", "utc": "1908-04-03T17:33:27Z", "ms": -1948515993153.6157 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 20:02 on Thu 2 Apr to 18:57 on Fri 3 Apr.", "fact": "1908-04-03T00:58:53Z → 1908-04-03T23:54:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 2nd, 11:48–12:36 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 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: unstated → only-day · margin 22846 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Cali, 1908: Friday 3 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-03", "confidence": "determinate" } ], "quote": "In Cali, Gaurī Tṛtīyā (Gangaur) 1908 falls on Friday 3 April. Tṛtīyā runs from 20:02 on Thu 2 Apr to 18:57 on Fri 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22846, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1908-04-02T20:02:53-04:56", "utc": "1908-04-03T00:58:53Z", "ms": -1948575667188.6143 }, "end": { "local": "1908-04-03T18:58:13-04:56", "utc": "1908-04-03T23:54:13Z", "ms": -1948493146764.6401 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-04-02T20:02:53-04:56", "utc": "1908-04-03T00:58:53Z", "ms": -1948575667188.6143 }, "end": { "local": "1908-04-03T18:58:13-04:56", "utc": "1908-04-03T23:54:13Z", "ms": -1948493146764.6401 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-04-02", "window": { "start": { "local": "1908-04-02T11:49:45-04:56", "utc": "1908-04-02T16:45:45Z", "ms": -1948605255342.0728 }, "end": { "local": "1908-04-02T12:37:45-04:56", "utc": "1908-04-02T17:33:45Z", "ms": -1948602375342.0728 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-04-03", "window": { "start": { "local": "1908-04-03T11:49:27-04:56", "utc": "1908-04-03T16:45:27Z", "ms": -1948518873153.6157 }, "end": { "local": "1908-04-03T12:37:27-04:56", "utc": "1908-04-03T17:33:27Z", "ms": -1948515993153.6157 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 20:02 on Thu 2 Apr to 18:57 on Fri 3 Apr.", "fact": "1908-04-03T00:58:53Z → 1908-04-03T23:54:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 2nd, 11:48–12:36 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 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: paraviddha → only-day · margin 22846 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Cali, 1908: Friday 3 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-03", "confidence": "determinate" } ], "quote": "In Cali, Saubhāgya Śayana Vrata 1908 falls on Friday 3 April. Tṛtīyā runs from 20:02 on Thu 2 Apr to 18:57 on Fri 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/vinayaka-chaturthi?on=1908-04-04", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21783, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-04-03T18:58:13-04:56", "utc": "1908-04-03T23:54:13Z", "ms": -1948493146764.6401 }, "end": { "local": "1908-04-04T18:40:12-04:56", "utc": "1908-04-04T23:36:12Z", "ms": -1948407827500.8137 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-04-03T18:58:13-04:56", "utc": "1908-04-03T23:54:13Z", "ms": -1948493146764.6401 }, "end": { "local": "1908-04-04T18:40:12-04:56", "utc": "1908-04-04T23:36:12Z", "ms": -1948407827500.8137 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-04-03", "window": { "start": { "local": "1908-04-03T11:49:27-04:56", "utc": "1908-04-03T16:45:27Z", "ms": -1948518873153.6157 }, "end": { "local": "1908-04-03T12:37:27-04:56", "utc": "1908-04-03T17:33:27Z", "ms": -1948515993153.6157 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-04-04", "window": { "start": { "local": "1908-04-04T11:49:09-04:56", "utc": "1908-04-04T16:45:09Z", "ms": -1948432490828.585 }, "end": { "local": "1908-04-04T12:37:09-04:56", "utc": "1908-04-04T17:33:09Z", "ms": -1948429610828.585 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:57 on Fri 3 Apr to 18:39 on Sat 4 Apr.", "fact": "1908-04-03T23:54:13Z → 1908-04-04T23:36:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 3rd, 11:48–12:36 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21783 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cali, 1908: Saturday 4 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": "1908-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-04", "confidence": "determinate" } ], "quote": "In Cali, Vināyaka Caturthī 1908 falls on Saturday 4 April. Caturthī runs from 18:57 on Fri 3 Apr to 18:39 on Sat 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/vinayaka-chaturthi?on=1908-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21783, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1908-04-04T18:40:12-04:56", "utc": "1908-04-04T23:36:12Z", "ms": -1948407827500.8137 }, "end": { "local": "1908-04-05T19:11:12-04:56", "utc": "1908-04-06T00:07:12Z", "ms": -1948319567578.352 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-04-04T18:40:12-04:56", "utc": "1908-04-04T23:36:12Z", "ms": -1948407827500.8137 }, "end": { "local": "1908-04-05T19:11:12-04:56", "utc": "1908-04-06T00:07:12Z", "ms": -1948319567578.352 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-04-04", "window": { "start": { "local": "1908-04-04T11:49:09-04:56", "utc": "1908-04-04T16:45:09Z", "ms": -1948432490828.585 }, "end": { "local": "1908-04-04T12:37:09-04:56", "utc": "1908-04-04T17:33:09Z", "ms": -1948429610828.585 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-04-05", "window": { "start": { "local": "1908-04-05T11:48:52-04:56", "utc": "1908-04-05T16:44:52Z", "ms": -1948346108350.9487 }, "end": { "local": "1908-04-05T12:36:52-04:56", "utc": "1908-04-05T17:32:52Z", "ms": -1948343228350.9487 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:39 on Sat 4 Apr to 19:10 on Sun 5 Apr.", "fact": "1908-04-04T23:36:12Z → 1908-04-06T00:07:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 4th, 11:48–12:36 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21783 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Cali, 1908: Sunday 5 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-05", "confidence": "determinate" } ], "quote": "In Cali, Lakṣmī Pañcamī 1908 falls on Sunday 5 April. Pañcamī runs from 18:39 on Sat 4 Apr to 19:10 on Sun 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35372, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1908-04-07T22:25:50-04:56", "utc": "1908-04-08T03:21:50Z", "ms": -1948135090377.5637 }, "end": { "local": "1908-04-09T00:49:44-04:56", "utc": "1908-04-09T05:45:44Z", "ms": -1948040056249.519 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-04-07T22:25:50-04:56", "utc": "1908-04-08T03:21:50Z", "ms": -1948135090377.5637 }, "end": { "local": "1908-04-09T00:49:44-04:56", "utc": "1908-04-09T05:45:44Z", "ms": -1948040056249.519 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-04-07", "window": { "start": { "local": "1908-04-07T11:48:17-04:56", "utc": "1908-04-07T16:44:17Z", "ms": -1948173342871.012 }, "end": { "local": "1908-04-07T12:36:17-04:56", "utc": "1908-04-07T17:32:17Z", "ms": -1948170462871.012 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-04-08", "window": { "start": { "local": "1908-04-08T11:48:00-04:56", "utc": "1908-04-08T16:44:00Z", "ms": -1948086959834.192 }, "end": { "local": "1908-04-08T12:36:00-04:56", "utc": "1908-04-08T17:32:00Z", "ms": -1948084079834.192 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:25 on Tue 7 Apr to 00:49 on Thu 9 Apr.", "fact": "1908-04-08T03:21:50Z → 1908-04-09T05:45:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 7th, 11:47–12:35 on the 8th.", "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 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35372 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Cali, 1908: Wednesday 8 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-08", "confidence": "determinate" } ], "quote": "In Cali, Bhavānī Utpatti 1908 falls on Wednesday 8 April. Aṣṭamī runs from 22:25 on Tue 7 Apr to 00:49 on Thu 9 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30124, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1908-04-09T00:49:44-04:56", "utc": "1908-04-09T05:45:44Z", "ms": -1948040056249.519 }, "end": { "local": "1908-04-10T03:25:23-04:56", "utc": "1908-04-10T08:21:23Z", "ms": -1947944317134.9526 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-04-09T00:49:44-04:56", "utc": "1908-04-09T05:45:44Z", "ms": -1948040056249.519 }, "end": { "local": "1908-04-10T03:25:23-04:56", "utc": "1908-04-10T08:21:23Z", "ms": -1947944317134.9526 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-04-09", "window": { "start": { "local": "1908-04-09T11:47:43-04:56", "utc": "1908-04-09T16:43:43Z", "ms": -1948000576575.9316 }, "end": { "local": "1908-04-09T12:35:43-04:56", "utc": "1908-04-09T17:31:43Z", "ms": -1947997696575.9316 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-04-10", "window": { "start": { "local": "1908-04-10T11:47:27-04:56", "utc": "1908-04-10T16:43:27Z", "ms": -1947914193078.304 }, "end": { "local": "1908-04-10T12:35:27-04:56", "utc": "1908-04-10T17:31:27Z", "ms": -1947911313078.304 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 00:49 on Thu 9 Apr to 03:24 on Fri 10 Apr.", "fact": "1908-04-09T05:45:44Z → 1908-04-10T08:21:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 9th, 11:46–12:34 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30124 s" }, { "step": "ruling", "text": "Rāma Navamī, Cali, 1908: Thursday 9 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-09", "confidence": "determinate" } ], "quote": "In Cali, Rāma Navamī 1908 falls on Thursday 9 April. Navamī runs from 00:49 on Thu 9 Apr to 03:24 on Fri 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38565, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1908-04-12T16:48:28-04:56", "utc": "1908-04-12T21:44:28Z", "ms": -1947723332207.254 }, "end": { "local": "1908-05-13T13:50:11-04:56", "utc": "1908-05-13T18:46:11Z", "ms": -1945055628866.5068 } }, "span": { "of": "transit", "start": { "local": "1908-04-12T16:48:28-04:56", "utc": "1908-04-12T21:44:28Z", "ms": -1947723332207.254 }, "end": { "local": "1908-04-12T16:48:28-04:56", "utc": "1908-04-12T21:44:28Z", "ms": -1947723332207.254 } }, "kaala": "day", "days": [ { "local_date": "1908-04-11", "window": { "start": { "local": "1908-04-11T06:06:04-04:56", "utc": "1908-04-11T11:02:04Z", "ms": -1947848276019.6787 }, "end": { "local": "1908-04-12T06:05:42-04:56", "utc": "1908-04-12T11:01:42Z", "ms": -1947761897624.9607 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1908-04-12", "window": { "start": { "local": "1908-04-12T06:05:42-04:56", "utc": "1908-04-12T11:01:42Z", "ms": -1947761897624.9607 }, "end": { "local": "1908-04-13T06:05:21-04:56", "utc": "1908-04-13T11:01:21Z", "ms": -1947675518922.222 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 16:47 on Sun 12 Apr.", "fact": "1908-04-12T21:44:28Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:05 on the 11th, and from 06:05 on the 12th.", "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 12th, not the 11th.", "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 38565 s" }, { "step": "ruling", "text": "Vaiśākhī, Cali, 1908: Sunday 12 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": "1908-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-12", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1908-04-12", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1908-04-12", "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 Cali, Vaiśākhī 1908 falls on Sunday 12 April. The Sun enters Meṣa at 16:47 on Sun 12 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-04-12", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 541, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-04-11T05:57:03-04:56", "utc": "1908-04-11T10:53:03Z", "ms": -1947848816965.9556 }, "end": { "local": "1908-04-12T08:11:05-04:56", "utc": "1908-04-12T13:07:05Z", "ms": -1947754375207.707 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-04-11T05:57:03-04:56", "utc": "1908-04-11T10:53:03Z", "ms": -1947848816965.9556 }, "end": { "local": "1908-04-12T08:11:05-04:56", "utc": "1908-04-12T13:07:05Z", "ms": -1947754375207.707 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-04-11", "window": { "start": { "local": "1908-04-11T06:06:04-04:56", "utc": "1908-04-11T11:02:04Z", "ms": -1947848276019.6787 }, "end": { "local": "1908-04-11T06:06:04-04:56", "utc": "1908-04-11T11:02:04Z", "ms": -1947848276019.6787 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-04-12", "window": { "start": { "local": "1908-04-12T06:05:42-04:56", "utc": "1908-04-12T11:01:42Z", "ms": -1947761897624.9607 }, "end": { "local": "1908-04-12T06:05:42-04:56", "utc": "1908-04-12T11:01:42Z", "ms": -1947761897624.9607 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:56 on Sat 11 Apr to 08:10 on Sun 12 Apr.", "fact": "1908-04-11T10:53:03Z → 1908-04-12T13:07:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:05 on the 11th and 06:05 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is on the 12th.", "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 541 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Cali, 1908: Sunday 12 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": "1908-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-12", "confidence": "determinate" } ], "quote": "In Cali, Kāmadā Ekādaśī 1908 falls on Sunday 12 April. Ekādaśī runs from 05:56 on Sat 11 Apr to 08:10 on Sun 12 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-04-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2093, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-04-13T09:57:40-04:56", "utc": "1908-04-13T14:53:40Z", "ms": -1947661579656.5422 }, "end": { "local": "1908-04-14T11:11:31-04:56", "utc": "1908-04-14T16:07:31Z", "ms": -1947570749103.6484 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-04-13T09:57:40-04:56", "utc": "1908-04-13T14:53:40Z", "ms": -1947661579656.5422 }, "end": { "local": "1908-04-14T11:11:31-04:56", "utc": "1908-04-14T16:07:31Z", "ms": -1947570749103.6484 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-04-13", "window": { "start": { "local": "1908-04-13T11:46:39-04:56", "utc": "1908-04-13T16:42:39Z", "ms": -1947655040967.5889 }, "end": { "local": "1908-04-13T12:34:39-04:56", "utc": "1908-04-13T17:30:39Z", "ms": -1947652160967.5889 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-04-14", "window": { "start": { "local": "1908-04-14T11:46:24-04:56", "utc": "1908-04-14T16:42:24Z", "ms": -1947568656330.1377 }, "end": { "local": "1908-04-14T12:34:24-04:56", "utc": "1908-04-14T17:30:24Z", "ms": -1947565776330.1377 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:57 on Mon 13 Apr to 11:11 on Tue 14 Apr.", "fact": "1908-04-13T14:53:40Z → 1908-04-14T16:07:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 13th, 11:45–12:33 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2093 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Cali, 1908: Monday 13 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": "1908-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-13", "confidence": "determinate" } ], "quote": "In Cali, Anaṅga Trayodaśī 1908 falls on Monday 13 April. Trayodaśī runs from 09:57 on Mon 13 Apr to 11:11 on Tue 14 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/pradosha-vrata?on=1908-04-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25456, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-04-13T09:57:40-04:56", "utc": "1908-04-13T14:53:40Z", "ms": -1947661579656.5422 }, "end": { "local": "1908-04-14T11:11:31-04:56", "utc": "1908-04-14T16:07:31Z", "ms": -1947570749103.6484 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-04-13T09:57:40-04:56", "utc": "1908-04-13T14:53:40Z", "ms": -1947661579656.5422 }, "end": { "local": "1908-04-14T11:11:31-04:56", "utc": "1908-04-14T16:07:31Z", "ms": -1947570749103.6484 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-04-13", "window": { "start": { "local": "1908-04-13T18:15:57-04:56", "utc": "1908-04-13T23:11:57Z", "ms": -1947631683012.9558 }, "end": { "local": "1908-04-13T19:50:29-04:56", "utc": "1908-04-14T00:46:29Z", "ms": -1947626010596.7917 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "1908-04-14", "window": { "start": { "local": "1908-04-14T18:15:47-04:56", "utc": "1908-04-14T23:11:47Z", "ms": -1947545292768.5503 }, "end": { "local": "1908-04-14T19:50:18-04:56", "utc": "1908-04-15T00:46:18Z", "ms": -1947539621801.2231 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:57 on Mon 13 Apr to 11:11 on Tue 14 Apr.", "fact": "1908-04-13T14:53:40Z → 1908-04-14T16:07:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:49 on the 13th, 18:15–19:49 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 95 of 95 minutes on the 13th and 0 of 95 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25456 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cali, 1908: Monday 13 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": "1908-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-13", "confidence": "determinate" } ], "quote": "In Cali, Śukla Pradoṣa Vrata 1908 falls on Monday 13 April. Trayodaśī runs from 09:57 on Mon 13 Apr to 11:11 on Tue 14 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 314, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-04-14T11:11:31-04:56", "utc": "1908-04-14T16:07:31Z", "ms": -1947570749103.6484 }, "end": { "local": "1908-04-15T11:51:22-04:56", "utc": "1908-04-15T16:47:22Z", "ms": -1947481957766.5168 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-04-14T11:11:31-04:56", "utc": "1908-04-14T16:07:31Z", "ms": -1947570749103.6484 }, "end": { "local": "1908-04-15T11:51:22-04:56", "utc": "1908-04-15T16:47:22Z", "ms": -1947481957766.5168 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-04-14", "window": { "start": { "local": "1908-04-14T11:46:24-04:56", "utc": "1908-04-14T16:42:24Z", "ms": -1947568656330.1377 }, "end": { "local": "1908-04-14T12:34:24-04:56", "utc": "1908-04-14T17:30:24Z", "ms": -1947565776330.1377 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-04-15", "window": { "start": { "local": "1908-04-15T11:46:09-04:56", "utc": "1908-04-15T16:42:09Z", "ms": -1947482271361.437 }, "end": { "local": "1908-04-15T12:34:09-04:56", "utc": "1908-04-15T17:30:09Z", "ms": -1947479391361.437 } }, "covered_min": 5, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:11 on Tue 14 Apr to 11:50 on Wed 15 Apr.", "fact": "1908-04-14T16:07:31Z → 1908-04-15T16:47:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 14th, 11:45–12:33 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 5 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 314 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Cali, 1908: Wednesday 15 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": "1908-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-15", "confidence": "determinate" } ], "quote": "In Cali, Viṣṇudamanaka Caturdaśī 1908 falls on Wednesday 15 April. Caturdaśī runs from 11:11 on Tue 14 Apr to 11:50 on Wed 15 Apr and covers 5 of 48 minutes 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/cali/festivals/1908/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": "/cali/festivals/1908/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 314, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-04-15T11:51:22-04:56", "utc": "1908-04-15T16:47:22Z", "ms": -1947481957766.5168 }, "end": { "local": "1908-04-16T11:59:04-04:56", "utc": "1908-04-16T16:55:04Z", "ms": -1947395096312.9192 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1908-04-15T11:51:22-04:56", "utc": "1908-04-15T16:47:22Z", "ms": -1947481957766.5168 }, "end": { "local": "1908-04-16T11:59:04-04:56", "utc": "1908-04-16T16:55:04Z", "ms": -1947395096312.9192 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-04-15", "window": { "start": { "local": "1908-04-15T11:46:09-04:56", "utc": "1908-04-15T16:42:09Z", "ms": -1947482271361.437 }, "end": { "local": "1908-04-15T12:34:09-04:56", "utc": "1908-04-15T17:30:09Z", "ms": -1947479391361.437 } }, "covered_min": 43, "window_min": 48, "qualifies": true }, { "local_date": "1908-04-16", "window": { "start": { "local": "1908-04-16T11:45:54-04:56", "utc": "1908-04-16T16:41:54Z", "ms": -1947395886042.7705 }, "end": { "local": "1908-04-16T12:33:54-04:56", "utc": "1908-04-16T17:29:54Z", "ms": -1947393006042.7705 } }, "covered_min": 13, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:50 on Wed 15 Apr to 11:58 on Thu 16 Apr.", "fact": "1908-04-15T16:47:22Z → 1908-04-16T16:55:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 15th, 11:45–12:33 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 43 of 48 minutes on the 15th and 13 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 314 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Cali, 1908: Thursday 16 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": "1908-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-16", "confidence": "determinate" } ], "quote": "In Cali, Caitrī Pūrṇimā 1908 falls on Thursday 16 April. Pūrṇimā runs from 11:50 on Wed 15 Apr to 11:58 on Thu 16 Apr and covers 13 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 43 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/sankashta-chaturthi?on=1908-04-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40713, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-04-19T09:48:49-04:56", "utc": "1908-04-19T14:44:49Z", "ms": -1947143711437.3406 }, "end": { "local": "1908-04-20T08:28:06-04:56", "utc": "1908-04-20T13:24:06Z", "ms": -1947062153970.6577 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-04-19T09:48:49-04:56", "utc": "1908-04-19T14:44:49Z", "ms": -1947143711437.3406 }, "end": { "local": "1908-04-20T08:28:06-04:56", "utc": "1908-04-20T13:24:06Z", "ms": -1947062153970.6577 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-04-19", "window": { "start": { "local": "1908-04-19T21:07:22-04:56", "utc": "1908-04-20T02:03:22Z", "ms": -1947102998203.5007 }, "end": { "local": "1908-04-19T21:07:22-04:56", "utc": "1908-04-20T02:03:22Z", "ms": -1947102998203.5007 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-04-20", "window": { "start": { "local": "1908-04-20T22:04:43-04:56", "utc": "1908-04-21T03:00:43Z", "ms": -1947013156518.9978 }, "end": { "local": "1908-04-20T22:04:43-04:56", "utc": "1908-04-21T03:00:43Z", "ms": -1947013156518.9978 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:48 on Sun 19 Apr to 08:27 on Mon 20 Apr.", "fact": "1908-04-19T14:44:49Z → 1908-04-20T13:24:06Z" }, { "step": "kaala", "text": "Moonrise is at 21:06 on the 19th and 22:04 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 40713 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cali, 1908: Sunday 19 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": "1908-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-19", "confidence": "determinate" } ], "quote": "In Cali, Saṅkaṣṭa Caturthī 1908 falls on Sunday 19 April. Caturthī runs from 09:48 on Sun 19 Apr to 08:27 on Mon 20 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/sankashta-chaturthi?on=1908-04-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/ekadashi?on=1908-04-26", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33931, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-04-25T20:35:50-04:56", "utc": "1908-04-26T01:31:50Z", "ms": -1946586490358.7446 }, "end": { "local": "1908-04-26T18:16:07-04:56", "utc": "1908-04-26T23:12:07Z", "ms": -1946508472728.2456 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-04-25T20:35:50-04:56", "utc": "1908-04-26T01:31:50Z", "ms": -1946586490358.7446 }, "end": { "local": "1908-04-26T18:16:07-04:56", "utc": "1908-04-26T23:12:07Z", "ms": -1946508472728.2456 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-04-26", "window": { "start": { "local": "1908-04-26T06:01:21-04:56", "utc": "1908-04-26T10:57:21Z", "ms": -1946552558934.3733 }, "end": { "local": "1908-04-26T06:01:21-04:56", "utc": "1908-04-26T10:57:21Z", "ms": -1946552558934.3733 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-04-27", "window": { "start": { "local": "1908-04-27T06:01:06-04:56", "utc": "1908-04-27T10:57:06Z", "ms": -1946466173959.0386 }, "end": { "local": "1908-04-27T06:01:06-04:56", "utc": "1908-04-27T10:57:06Z", "ms": -1946466173959.0386 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:35 on Sat 25 Apr to 18:15 on Sun 26 Apr.", "fact": "1908-04-26T01:31:50Z → 1908-04-26T23:12:07Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 26th and 06:00 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33931 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Cali, 1908: Sunday 26 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": "1908-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-26", "confidence": "determinate" } ], "quote": "In Cali, Varūthinī Ekādaśī 1908 falls on Sunday 26 April. Ekādaśī runs from 20:35 on Sat 25 Apr to 18:15 on Sun 26 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-04-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-04-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8064, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-04-27T15:59:50-04:56", "utc": "1908-04-27T20:55:50Z", "ms": -1946430249553.3872 }, "end": { "local": "1908-04-28T13:53:09-04:56", "utc": "1908-04-28T18:49:09Z", "ms": -1946351451328.8657 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-04-27T15:59:50-04:56", "utc": "1908-04-27T20:55:50Z", "ms": -1946430249553.3872 }, "end": { "local": "1908-04-28T13:53:09-04:56", "utc": "1908-04-28T18:49:09Z", "ms": -1946351451328.8657 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-04-27", "window": { "start": { "local": "1908-04-27T18:14:15-04:56", "utc": "1908-04-27T23:10:15Z", "ms": -1946422185103.1987 }, "end": { "local": "1908-04-27T19:48:28-04:56", "utc": "1908-04-28T00:44:28Z", "ms": -1946416532213.1995 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1908-04-28", "window": { "start": { "local": "1908-04-28T18:14:11-04:56", "utc": "1908-04-28T23:10:11Z", "ms": -1946335789104.621 }, "end": { "local": "1908-04-28T19:48:22-04:56", "utc": "1908-04-29T00:44:22Z", "ms": -1946330137535.2573 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:59 on Mon 27 Apr to 13:52 on Tue 28 Apr.", "fact": "1908-04-27T20:55:50Z → 1908-04-28T18:49:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:47 on the 27th, 18:13–19:47 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 94 of 94 minutes on the 27th and 0 of 94 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8064 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cali, 1908: Monday 27 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": "1908-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-27", "confidence": "determinate" } ], "quote": "In Cali, Kṛṣṇa Pradoṣa Vrata 1908 falls on Monday 27 April. Trayodaśī runs from 15:59 on Mon 27 Apr to 13:52 on Tue 28 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shivaratri?on=1908-04-28", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35416, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-04-28T13:53:09-04:56", "utc": "1908-04-28T18:49:09Z", "ms": -1946351451328.8657 }, "end": { "local": "1908-04-29T12:03:04-04:56", "utc": "1908-04-29T16:59:04Z", "ms": -1946271655974.0427 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-04-28T13:53:09-04:56", "utc": "1908-04-28T18:49:09Z", "ms": -1946351451328.8657 }, "end": { "local": "1908-04-29T12:03:04-04:56", "utc": "1908-04-29T16:59:04Z", "ms": -1946271655974.0427 } }, "kaala": "nishita", "days": [ { "local_date": "1908-04-28", "window": { "start": { "local": "1908-04-28T23:43:24-04:56", "utc": "1908-04-29T04:39:24Z", "ms": -1946316035719.5068 }, "end": { "local": "1908-04-29T00:31:24-04:56", "utc": "1908-04-29T05:27:24Z", "ms": -1946313155719.5068 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-04-29", "window": { "start": { "local": "1908-04-29T23:43:16-04:56", "utc": "1908-04-30T04:39:16Z", "ms": -1946229644148.373 }, "end": { "local": "1908-04-30T00:31:16-04:56", "utc": "1908-04-30T05:27:16Z", "ms": -1946226764148.373 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:52 on Tue 28 Apr to 12:02 on Wed 29 Apr.", "fact": "1908-04-28T18:49:09Z → 1908-04-29T16:59:04Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 28th, 23:42–00:30 on the 29th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35416 s" }, { "step": "ruling", "text": "Śivarātri, Cali, 1908: Tuesday 28 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": "1908-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-04-28", "confidence": "determinate" } ], "quote": "In Cali, Śivarātri 1908 falls on Tuesday 28 April. Caturdaśī runs from 13:52 on Tue 28 Apr to 12:02 on Wed 29 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/shivaratri?on=1908-04-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30394, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1908-05-02T09:24:21-04:56", "utc": "1908-05-02T14:20:21Z", "ms": -1946021979145.3289 }, "end": { "local": "1908-05-03T09:47:24-04:56", "utc": "1908-05-03T14:43:24Z", "ms": -1945934195788.527 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-02T09:24:21-04:56", "utc": "1908-05-02T14:20:21Z", "ms": -1946021979145.3289 }, "end": { "local": "1908-05-03T09:47:24-04:56", "utc": "1908-05-03T14:43:24Z", "ms": -1945934195788.527 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-05-02", "window": { "start": { "local": "1908-05-02T18:14:00-04:56", "utc": "1908-05-02T23:10:00Z", "ms": -1945990200285.9907 }, "end": { "local": "1908-05-02T19:48:06-04:56", "utc": "1908-05-03T00:44:06Z", "ms": -1945984553875.7622 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1908-05-03", "window": { "start": { "local": "1908-05-03T18:13:58-04:56", "utc": "1908-05-03T23:09:58Z", "ms": -1945903801867.5269 }, "end": { "local": "1908-05-03T19:48:03-04:56", "utc": "1908-05-04T00:44:03Z", "ms": -1945898156713.733 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:23 on Sat 2 May to 09:46 on Sun 3 May.", "fact": "1908-05-02T14:20:21Z → 1908-05-03T14:43:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:47 on the 2nd, 18:13–19:47 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 94 of 94 minutes on the 2nd and 0 of 94 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 30394 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Cali, 1908: Saturday 2 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-02", "confidence": "determinate" } ], "quote": "In Cali, Paraśurāma Jayantī 1908 falls on Saturday 2 May. Tṛtīyā runs from 09:23 on Sat 2 May to 09:46 on Sun 3 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1027, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1908-05-02T09:24:21-04:56", "utc": "1908-05-02T14:20:21Z", "ms": -1946021979145.3289 }, "end": { "local": "1908-05-03T09:47:24-04:56", "utc": "1908-05-03T14:43:24Z", "ms": -1945934195788.527 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-02T09:24:21-04:56", "utc": "1908-05-02T14:20:21Z", "ms": -1946021979145.3289 }, "end": { "local": "1908-05-03T09:47:24-04:56", "utc": "1908-05-03T14:43:24Z", "ms": -1945934195788.527 } }, "kaala": "purvahna", "days": [ { "local_date": "1908-05-02", "window": { "start": { "local": "1908-05-02T05:59:59-04:56", "utc": "1908-05-02T10:55:59Z", "ms": -1946034240613.8037 }, "end": { "local": "1908-05-02T10:04:39-04:56", "utc": "1908-05-02T15:00:39Z", "ms": -1946019560504.5327 } }, "covered_min": 40, "window_min": 245, "qualifies": true }, { "local_date": "1908-05-03", "window": { "start": { "local": "1908-05-03T05:59:48-04:56", "utc": "1908-05-03T10:55:48Z", "ms": -1945947852209.2769 }, "end": { "local": "1908-05-03T10:04:31-04:56", "utc": "1908-05-03T15:00:31Z", "ms": -1945933168762.0269 } }, "covered_min": 228, "window_min": 245, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:23 on Sat 2 May to 09:46 on Sun 3 May.", "fact": "1908-05-02T14:20:21Z → 1908-05-03T14:43:24Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:59–10:04 on the 2nd, 05:59–10:04 on the 3rd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 40 of 245 minutes on the 2nd and 228 of 245 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both forenoons qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1027 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Cali, 1908: Sunday 3 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-03", "confidence": "determinate" } ], "quote": "In Cali, Akṣaya Tṛtīyā 1908 falls on Sunday 3 May. Tṛtīyā runs from 09:23 on Sat 2 May to 09:46 on Sun 3 May and covers 228 of 245 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 40 minutes; by the rule the second forenoon is taken.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/vinayaka-chaturthi?on=1908-05-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3063, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-05-03T09:47:24-04:56", "utc": "1908-05-03T14:43:24Z", "ms": -1945934195788.527 }, "end": { "local": "1908-05-04T10:51:44-04:56", "utc": "1908-05-04T15:47:44Z", "ms": -1945843936049.083 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-03T09:47:24-04:56", "utc": "1908-05-03T14:43:24Z", "ms": -1945934195788.527 }, "end": { "local": "1908-05-04T10:51:44-04:56", "utc": "1908-05-04T15:47:44Z", "ms": -1945843936049.083 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-05-03", "window": { "start": { "local": "1908-05-03T11:42:53-04:56", "utc": "1908-05-03T16:38:53Z", "ms": -1945927267038.4019 }, "end": { "local": "1908-05-03T12:30:53-04:56", "utc": "1908-05-03T17:26:53Z", "ms": -1945924387038.4019 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-05-04", "window": { "start": { "local": "1908-05-04T11:42:47-04:56", "utc": "1908-05-04T16:38:47Z", "ms": -1945840873087.6982 }, "end": { "local": "1908-05-04T12:30:47-04:56", "utc": "1908-05-04T17:26:47Z", "ms": -1945837993087.6982 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:46 on Sun 3 May to 10:51 on Mon 4 May.", "fact": "1908-05-03T14:43:24Z → 1908-05-04T15:47:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 3rd, 11:42–12:30 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3063 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cali, 1908: Sunday 3 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": "1908-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-03", "confidence": "boundary" } ], "quote": "In Cali, Vināyaka Caturthī 1908 falls on Sunday 3 May. Caturthī runs from 09:46 on Sun 3 May to 10:51 on Mon 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/vinayaka-chaturthi?on=1908-05-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-04", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 170, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1908-05-04T10:51:44-04:56", "utc": "1908-05-04T15:47:44Z", "ms": -1945843936049.083 }, "end": { "local": "1908-05-05T12:33:32-04:56", "utc": "1908-05-05T17:29:32Z", "ms": -1945751428208.4463 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-04T10:51:44-04:56", "utc": "1908-05-04T15:47:44Z", "ms": -1945843936049.083 }, "end": { "local": "1908-05-05T12:33:32-04:56", "utc": "1908-05-05T17:29:32Z", "ms": -1945751428208.4463 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-05-04", "window": { "start": { "local": "1908-05-04T11:42:47-04:56", "utc": "1908-05-04T16:38:47Z", "ms": -1945840873087.6982 }, "end": { "local": "1908-05-04T12:30:47-04:56", "utc": "1908-05-04T17:26:47Z", "ms": -1945837993087.6982 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-05-05", "window": { "start": { "local": "1908-05-05T11:42:41-04:56", "utc": "1908-05-05T16:38:41Z", "ms": -1945754478594.7646 }, "end": { "local": "1908-05-05T12:30:41-04:56", "utc": "1908-05-05T17:26:41Z", "ms": -1945751598594.7646 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:51 on Mon 4 May to 12:33 on Tue 5 May.", "fact": "1908-05-04T15:47:44Z → 1908-05-05T17:29:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 4th, 11:42–12:30 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "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 170 s < 300 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Cali, 1908: Monday 4 May.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "1908-05-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-04", "confidence": "boundary" } ], "quote": "In Cali, Śaṅkara Jayantī 1908 falls on Monday 4 May. Pañcamī runs from 10:51 on Mon 4 May to 12:33 on Tue 5 May 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. It is 2 min 50 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8027, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1908-05-06T14:44:23-04:56", "utc": "1908-05-06T19:40:23Z", "ms": -1945657176944.3462 }, "end": { "local": "1908-05-07T17:11:50-04:56", "utc": "1908-05-07T22:07:50Z", "ms": -1945561930204.5762 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-06T14:44:23-04:56", "utc": "1908-05-06T19:40:23Z", "ms": -1945657176944.3462 }, "end": { "local": "1908-05-07T17:11:50-04:56", "utc": "1908-05-07T22:07:50Z", "ms": -1945561930204.5762 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-05-06", "window": { "start": { "local": "1908-05-06T11:42:36-04:56", "utc": "1908-05-06T16:38:36Z", "ms": -1945668083556.6309 }, "end": { "local": "1908-05-06T12:30:36-04:56", "utc": "1908-05-06T17:26:36Z", "ms": -1945665203556.6309 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-05-07", "window": { "start": { "local": "1908-05-07T11:42:32-04:56", "utc": "1908-05-07T16:38:32Z", "ms": -1945581687970.434 }, "end": { "local": "1908-05-07T12:30:32-04:56", "utc": "1908-05-07T17:26:32Z", "ms": -1945578807970.434 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:43 on Wed 6 May to 17:11 on Thu 7 May.", "fact": "1908-05-06T19:40:23Z → 1908-05-07T22:07:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 6th, 11:42–12:30 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8027 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Cali, 1908: Thursday 7 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-07", "confidence": "determinate" } ], "quote": "In Cali, Gaṅgotpatti (Ganga Saptami) 1908 falls on Thursday 7 May. Saptamī runs from 14:43 on Wed 6 May to 17:11 on Thu 7 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-05-11", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17859, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-05-10T23:46:19-04:56", "utc": "1908-05-11T04:42:19Z", "ms": -1945279061126.54 }, "end": { "local": "1908-05-12T01:00:51-04:56", "utc": "1908-05-12T05:56:51Z", "ms": -1945188188828.7354 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-10T23:46:19-04:56", "utc": "1908-05-11T04:42:19Z", "ms": -1945279061126.54 }, "end": { "local": "1908-05-12T01:00:51-04:56", "utc": "1908-05-12T05:56:51Z", "ms": -1945188188828.7354 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-05-11", "window": { "start": { "local": "1908-05-11T05:58:37-04:56", "utc": "1908-05-11T10:54:37Z", "ms": -1945256723293.3738 }, "end": { "local": "1908-05-11T05:58:37-04:56", "utc": "1908-05-11T10:54:37Z", "ms": -1945256723293.3738 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-05-12", "window": { "start": { "local": "1908-05-12T05:58:31-04:56", "utc": "1908-05-12T10:54:31Z", "ms": -1945170329399.0537 }, "end": { "local": "1908-05-12T05:58:31-04:56", "utc": "1908-05-12T10:54:31Z", "ms": -1945170329399.0537 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:45 on Sun 10 May to 01:00 on Tue 12 May.", "fact": "1908-05-11T04:42:19Z → 1908-05-12T05:56:51Z" }, { "step": "kaala", "text": "Sunrise is at 05:58 on the 11th and 05:58 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17859 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Cali, 1908: Monday 11 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": "1908-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-11", "confidence": "determinate" } ], "quote": "In Cali, Mohinī Ekādaśī 1908 falls on Monday 11 May. Ekādaśī runs from 23:45 on Sun 10 May to 01:00 on Tue 12 May and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-05-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36383, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1908-05-12T01:00:51-04:56", "utc": "1908-05-12T05:56:51Z", "ms": -1945188188828.7354 }, "end": { "local": "1908-05-13T01:35:54-04:56", "utc": "1908-05-13T06:31:54Z", "ms": -1945099685705.1438 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-12T01:00:51-04:56", "utc": "1908-05-12T05:56:51Z", "ms": -1945188188828.7354 }, "end": { "local": "1908-05-13T01:35:54-04:56", "utc": "1908-05-13T06:31:54Z", "ms": -1945099685705.1438 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-05-12", "window": { "start": { "local": "1908-05-12T11:42:18-04:56", "utc": "1908-05-12T16:38:18Z", "ms": -1945149701731.4058 }, "end": { "local": "1908-05-12T12:30:18-04:56", "utc": "1908-05-12T17:26:18Z", "ms": -1945146821731.4058 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-05-13", "window": { "start": { "local": "1908-05-13T11:42:17-04:56", "utc": "1908-05-13T16:38:17Z", "ms": -1945063302807.227 }, "end": { "local": "1908-05-13T12:30:17-04:56", "utc": "1908-05-13T17:26:17Z", "ms": -1945060422807.227 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:00 on Tue 12 May to 01:35 on Wed 13 May.", "fact": "1908-05-12T05:56:51Z → 1908-05-13T06:31:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 12th, 11:41–12:29 on the 13th.", "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 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36383 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Cali, 1908: Tuesday 12 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": "1908-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-12", "confidence": "determinate" } ], "quote": "In Cali, Paraśurāma Dvādaśī 1908 falls on Tuesday 12 May. Dvādaśī runs from 01:00 on Tue 12 May to 01:35 on Wed 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36383, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1908-05-12T01:00:51-04:56", "utc": "1908-05-12T05:56:51Z", "ms": -1945188188828.7354 }, "end": { "local": "1908-05-13T01:35:54-04:56", "utc": "1908-05-13T06:31:54Z", "ms": -1945099685705.1438 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-12T01:00:51-04:56", "utc": "1908-05-12T05:56:51Z", "ms": -1945188188828.7354 }, "end": { "local": "1908-05-13T01:35:54-04:56", "utc": "1908-05-13T06:31:54Z", "ms": -1945099685705.1438 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-05-12", "window": { "start": { "local": "1908-05-12T11:42:18-04:56", "utc": "1908-05-12T16:38:18Z", "ms": -1945149701731.4058 }, "end": { "local": "1908-05-12T12:30:18-04:56", "utc": "1908-05-12T17:26:18Z", "ms": -1945146821731.4058 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-05-13", "window": { "start": { "local": "1908-05-13T11:42:17-04:56", "utc": "1908-05-13T16:38:17Z", "ms": -1945063302807.227 }, "end": { "local": "1908-05-13T12:30:17-04:56", "utc": "1908-05-13T17:26:17Z", "ms": -1945060422807.227 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:00 on Tue 12 May to 01:35 on Wed 13 May.", "fact": "1908-05-12T05:56:51Z → 1908-05-13T06:31:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 12th, 11:41–12:29 on the 13th.", "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 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36383 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Cali, 1908: Tuesday 12 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": "1908-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-12", "confidence": "determinate" } ], "quote": "In Cali, Rukmiṇī Dvādaśī 1908 falls on Tuesday 12 May. Dvādaśī runs from 01:00 on Tue 12 May to 01:35 on Wed 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/pradosha-vrata?on=1908-05-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20588, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-05-13T01:35:54-04:56", "utc": "1908-05-13T06:31:54Z", "ms": -1945099685705.1438 }, "end": { "local": "1908-05-14T01:31:11-04:56", "utc": "1908-05-14T06:27:11Z", "ms": -1945013568999.849 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-13T01:35:54-04:56", "utc": "1908-05-13T06:31:54Z", "ms": -1945099685705.1438 }, "end": { "local": "1908-05-14T01:31:11-04:56", "utc": "1908-05-14T06:27:11Z", "ms": -1945013568999.849 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-05-12", "window": { "start": { "local": "1908-05-12T18:14:06-04:56", "utc": "1908-05-12T23:10:06Z", "ms": -1945126194063.7578 }, "end": { "local": "1908-05-12T19:48:00-04:56", "utc": "1908-05-13T00:44:00Z", "ms": -1945120559505 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1908-05-13", "window": { "start": { "local": "1908-05-13T18:14:09-04:56", "utc": "1908-05-13T23:10:09Z", "ms": -1945039790741.3804 }, "end": { "local": "1908-05-13T19:48:03-04:56", "utc": "1908-05-14T00:44:03Z", "ms": -1945034157270.7524 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:35 on Wed 13 May to 01:30 on Thu 14 May.", "fact": "1908-05-13T06:31:54Z → 1908-05-14T06:27:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:47 on the 12th, 18:13–19:47 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 12th and 94 of 94 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20588 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cali, 1908: Wednesday 13 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": "1908-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-13", "confidence": "determinate" } ], "quote": "In Cali, Śukla Pradoṣa Vrata 1908 falls on Wednesday 13 May. Trayodaśī runs from 01:35 on Wed 13 May to 01:30 on Thu 14 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18091, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-05-14T01:31:11-04:56", "utc": "1908-05-14T06:27:11Z", "ms": -1945013568999.849 }, "end": { "local": "1908-05-15T00:49:37-04:56", "utc": "1908-05-15T05:45:37Z", "ms": -1944929663313.44 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-14T01:31:11-04:56", "utc": "1908-05-14T06:27:11Z", "ms": -1945013568999.849 }, "end": { "local": "1908-05-15T00:49:37-04:56", "utc": "1908-05-15T05:45:37Z", "ms": -1944929663313.44 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-05-13", "window": { "start": { "local": "1908-05-13T18:14:09-04:56", "utc": "1908-05-13T23:10:09Z", "ms": -1945039790741.3804 }, "end": { "local": "1908-05-13T19:48:03-04:56", "utc": "1908-05-14T00:44:03Z", "ms": -1945034157270.7524 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1908-05-14", "window": { "start": { "local": "1908-05-14T18:14:13-04:56", "utc": "1908-05-14T23:10:13Z", "ms": -1944953386928.3506 }, "end": { "local": "1908-05-14T19:48:05-04:56", "utc": "1908-05-15T00:44:05Z", "ms": -1944947754526.0671 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:30 on Thu 14 May to 00:49 on Fri 15 May.", "fact": "1908-05-14T06:27:11Z → 1908-05-15T05:45:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:47 on the 13th, 18:13–19:47 on the 14th.", "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 13th and 94 of 94 on the 14th.", "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 18091 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Cali, 1908: Thursday 14 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": "1908-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-14", "confidence": "determinate" } ], "quote": "In Cali, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1908 falls on Thursday 14 May. Caturdaśī runs from 01:30 on Thu 14 May to 00:49 on Fri 15 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39160, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-05-15T00:49:37-04:56", "utc": "1908-05-15T05:45:37Z", "ms": -1944929663313.44 }, "end": { "local": "1908-05-15T23:36:13-04:56", "utc": "1908-05-16T04:32:13Z", "ms": -1944847666645.3726 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-15T00:49:37-04:56", "utc": "1908-05-15T05:45:37Z", "ms": -1944929663313.44 }, "end": { "local": "1908-05-15T23:36:13-04:56", "utc": "1908-05-16T04:32:13Z", "ms": -1944847666645.3726 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-05-15", "window": { "start": { "local": "1908-05-15T11:42:17-04:56", "utc": "1908-05-15T16:38:17Z", "ms": -1944890503268.186 }, "end": { "local": "1908-05-15T12:30:17-04:56", "utc": "1908-05-15T17:26:17Z", "ms": -1944887623268.186 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-05-16", "window": { "start": { "local": "1908-05-16T11:42:17-04:56", "utc": "1908-05-16T16:38:17Z", "ms": -1944804102650.4348 }, "end": { "local": "1908-05-16T12:30:17-04:56", "utc": "1908-05-16T17:26:17Z", "ms": -1944801222650.4348 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:49 on Fri 15 May to 23:35 on Fri 15 May.", "fact": "1908-05-15T05:45:37Z → 1908-05-16T04:32:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 15th, 11:41–12:29 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39160 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Cali, 1908: Friday 15 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": "1908-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-15", "confidence": "determinate" } ], "quote": "In Cali, Buddha Pūrṇimā 1908 falls on Friday 15 May. Pūrṇimā runs from 00:49 on Fri 15 May to 23:35 on Fri 15 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39160, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-05-15T00:49:37-04:56", "utc": "1908-05-15T05:45:37Z", "ms": -1944929663313.44 }, "end": { "local": "1908-05-15T23:36:13-04:56", "utc": "1908-05-16T04:32:13Z", "ms": -1944847666645.3726 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-15T00:49:37-04:56", "utc": "1908-05-15T05:45:37Z", "ms": -1944929663313.44 }, "end": { "local": "1908-05-15T23:36:13-04:56", "utc": "1908-05-16T04:32:13Z", "ms": -1944847666645.3726 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-05-15", "window": { "start": { "local": "1908-05-15T11:42:17-04:56", "utc": "1908-05-15T16:38:17Z", "ms": -1944890503268.186 }, "end": { "local": "1908-05-15T12:30:17-04:56", "utc": "1908-05-15T17:26:17Z", "ms": -1944887623268.186 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-05-16", "window": { "start": { "local": "1908-05-16T11:42:17-04:56", "utc": "1908-05-16T16:38:17Z", "ms": -1944804102650.4348 }, "end": { "local": "1908-05-16T12:30:17-04:56", "utc": "1908-05-16T17:26:17Z", "ms": -1944801222650.4348 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:49 on Fri 15 May to 23:35 on Fri 15 May.", "fact": "1908-05-15T05:45:37Z → 1908-05-16T04:32:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 15th, 11:41–12:29 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39160 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Cali, 1908: Friday 15 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": "1908-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-15", "confidence": "determinate" } ], "quote": "In Cali, Sampat Gaurī Vrata 1908 falls on Friday 15 May. Pūrṇimā runs from 00:49 on Fri 15 May to 23:35 on Fri 15 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/sankashta-chaturthi?on=1908-05-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11340, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-05-18T17:47:18-04:56", "utc": "1908-05-18T22:43:18Z", "ms": -1944609401866.5007 }, "end": { "local": "1908-05-19T15:28:09-04:56", "utc": "1908-05-19T20:24:09Z", "ms": -1944531351222.7925 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-18T17:47:18-04:56", "utc": "1908-05-18T22:43:18Z", "ms": -1944609401866.5007 }, "end": { "local": "1908-05-19T15:28:09-04:56", "utc": "1908-05-19T20:24:09Z", "ms": -1944531351222.7925 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-05-18", "window": { "start": { "local": "1908-05-18T20:56:18-04:56", "utc": "1908-05-19T01:52:18Z", "ms": -1944598061649.4902 }, "end": { "local": "1908-05-18T20:56:18-04:56", "utc": "1908-05-19T01:52:18Z", "ms": -1944598061649.4902 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-05-19", "window": { "start": { "local": "1908-05-19T21:57:10-04:56", "utc": "1908-05-20T02:53:10Z", "ms": -1944508010231.4707 }, "end": { "local": "1908-05-19T21:57:10-04:56", "utc": "1908-05-20T02:53:10Z", "ms": -1944508010231.4707 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:46 on Mon 18 May to 15:27 on Tue 19 May.", "fact": "1908-05-18T22:43:18Z → 1908-05-19T20:24:09Z" }, { "step": "kaala", "text": "Moonrise is at 20:55 on the 18th and 21:56 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 18th and is not on the 19th.", "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 11340 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cali, 1908: Monday 18 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": "1908-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-18", "confidence": "determinate" } ], "quote": "In Cali, Saṅkaṣṭa Caturthī 1908 falls on Monday 18 May. Caturthī runs from 17:46 on Mon 18 May to 15:27 on Tue 19 May and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/sankashta-chaturthi?on=1908-05-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/ekadashi?on=1908-05-25", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12698, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-05-25T02:26:32-04:56", "utc": "1908-05-25T07:22:32Z", "ms": -1944059848381.6453 }, "end": { "local": "1908-05-26T00:52:22-04:56", "utc": "1908-05-26T05:48:22Z", "ms": -1943979097698.4492 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-25T02:26:32-04:56", "utc": "1908-05-25T07:22:32Z", "ms": -1944059848381.6453 }, "end": { "local": "1908-05-26T00:52:22-04:56", "utc": "1908-05-26T05:48:22Z", "ms": -1943979097698.4492 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-05-25", "window": { "start": { "local": "1908-05-25T05:58:10-04:56", "utc": "1908-05-25T10:54:10Z", "ms": -1944047150412.7236 }, "end": { "local": "1908-05-25T05:58:10-04:56", "utc": "1908-05-25T10:54:10Z", "ms": -1944047150412.7236 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-05-26", "window": { "start": { "local": "1908-05-26T05:58:12-04:56", "utc": "1908-05-26T10:54:12Z", "ms": -1943960747569.9048 }, "end": { "local": "1908-05-26T05:58:12-04:56", "utc": "1908-05-26T10:54:12Z", "ms": -1943960747569.9048 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:26 on Mon 25 May to 00:51 on Tue 26 May.", "fact": "1908-05-25T07:22:32Z → 1908-05-26T05:48:22Z" }, { "step": "kaala", "text": "Sunrise is at 05:57 on the 25th and 05:57 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12698 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Cali, 1908: Monday 25 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": "1908-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-25", "confidence": "determinate" } ], "quote": "In Cali, Aparā Ekādaśī 1908 falls on Monday 25 May. Ekādaśī runs from 02:26 on Mon 25 May to 00:51 on Tue 26 May and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-05-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-05-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10431, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-05-26T23:36:42-04:56", "utc": "1908-05-27T04:32:42Z", "ms": -1943897238235.5974 }, "end": { "local": "1908-05-27T22:43:17-04:56", "utc": "1908-05-28T03:39:17Z", "ms": -1943814042533.6445 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-26T23:36:42-04:56", "utc": "1908-05-27T04:32:42Z", "ms": -1943897238235.5974 }, "end": { "local": "1908-05-27T22:43:17-04:56", "utc": "1908-05-28T03:39:17Z", "ms": -1943814042533.6445 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-05-26", "window": { "start": { "local": "1908-05-26T18:15:36-04:56", "utc": "1908-05-26T23:11:36Z", "ms": -1943916503876.8342 }, "end": { "local": "1908-05-26T19:49:17-04:56", "utc": "1908-05-27T00:45:17Z", "ms": -1943910882576.5295 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1908-05-27", "window": { "start": { "local": "1908-05-27T18:15:46-04:56", "utc": "1908-05-27T23:11:46Z", "ms": -1943830094079.857 }, "end": { "local": "1908-05-27T19:49:26-04:56", "utc": "1908-05-28T00:45:26Z", "ms": -1943824473547.9316 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:36 on Tue 26 May to 22:42 on Wed 27 May.", "fact": "1908-05-27T04:32:42Z → 1908-05-28T03:39:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:48 on the 26th, 18:15–19:48 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 26th and 94 of 94 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 10431 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cali, 1908: Wednesday 27 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": "1908-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-27", "confidence": "determinate" } ], "quote": "In Cali, Kṛṣṇa Pradoṣa Vrata 1908 falls on Wednesday 27 May. Trayodaśī runs from 23:36 on Tue 26 May to 22:42 on Wed 27 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-05-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shivaratri?on=1908-05-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3585, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-05-27T22:43:17-04:56", "utc": "1908-05-28T03:39:17Z", "ms": -1943814042533.6445 }, "end": { "local": "1908-05-28T22:16:02-04:56", "utc": "1908-05-29T03:12:02Z", "ms": -1943729277827.419 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1908-05-27T22:43:17-04:56", "utc": "1908-05-28T03:39:17Z", "ms": -1943814042533.6445 }, "end": { "local": "1908-05-28T22:16:02-04:56", "utc": "1908-05-29T03:12:02Z", "ms": -1943729277827.419 } }, "kaala": "nishita", "days": [ { "local_date": "1908-05-27", "window": { "start": { "local": "1908-05-27T23:43:03-04:56", "utc": "1908-05-28T04:39:03Z", "ms": -1943810457085.1372 }, "end": { "local": "1908-05-28T00:31:03-04:56", "utc": "1908-05-28T05:27:03Z", "ms": -1943807577085.1372 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-05-28", "window": { "start": { "local": "1908-05-28T23:43:10-04:56", "utc": "1908-05-29T04:39:10Z", "ms": -1943724049693.9902 }, "end": { "local": "1908-05-29T00:31:10-04:56", "utc": "1908-05-29T05:27:10Z", "ms": -1943721169693.9902 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:42 on Wed 27 May to 22:15 on Thu 28 May.", "fact": "1908-05-28T03:39:17Z → 1908-05-29T03:12:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 27th, 23:42–00:30 on the 28th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3585 s" }, { "step": "ruling", "text": "Śivarātri, Cali, 1908: Wednesday 27 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": "1908-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-05-27", "confidence": "determinate" } ], "quote": "In Cali, Śivarātri 1908 falls on Wednesday 27 May. Caturdaśī runs from 22:42 on Wed 27 May to 22:15 on Thu 28 May and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/shivaratri?on=1908-05-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36270, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1908-06-01T00:00:37-04:56", "utc": "1908-06-01T04:56:37Z", "ms": -1943463802555.2 }, "end": { "local": "1908-06-02T01:39:20-04:56", "utc": "1908-06-02T06:35:20Z", "ms": -1943371479975.0593 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1908-06-01T00:00:37-04:56", "utc": "1908-06-01T04:56:37Z", "ms": -1943463802555.2 }, "end": { "local": "1908-06-02T01:39:20-04:56", "utc": "1908-06-02T06:35:20Z", "ms": -1943371479975.0593 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-06-01", "window": { "start": { "local": "1908-06-01T11:43:41-04:56", "utc": "1908-06-01T16:39:41Z", "ms": -1943421619106.808 }, "end": { "local": "1908-06-01T12:31:41-04:56", "utc": "1908-06-01T17:27:41Z", "ms": -1943418739106.808 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-06-02", "window": { "start": { "local": "1908-06-02T11:43:50-04:56", "utc": "1908-06-02T16:39:50Z", "ms": -1943335209860.1758 }, "end": { "local": "1908-06-02T12:31:50-04:56", "utc": "1908-06-02T17:27:50Z", "ms": -1943332329860.1758 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:00 on Mon 1 Jun to 01:38 on Tue 2 Jun.", "fact": "1908-06-01T04:56:37Z → 1908-06-02T06:35:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 1st, 11:43–12:31 on the 2nd.", "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 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 36270 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Cali, 1908: Monday 1 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-06-01", "confidence": "determinate" } ], "quote": "In Cali, Rambhā Tṛtīyā 1908 falls on Monday 1 June. Tṛtīyā runs from 00:00 on Mon 1 Jun to 01:38 on Tue 2 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/vinayaka-chaturthi?on=1908-06-02", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28791, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-06-02T01:39:20-04:56", "utc": "1908-06-02T06:35:20Z", "ms": -1943371479975.0593 }, "end": { "local": "1908-06-03T03:44:09-04:56", "utc": "1908-06-03T08:40:09Z", "ms": -1943277591358.8413 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1908-06-02T01:39:20-04:56", "utc": "1908-06-02T06:35:20Z", "ms": -1943371479975.0593 }, "end": { "local": "1908-06-03T03:44:09-04:56", "utc": "1908-06-03T08:40:09Z", "ms": -1943277591358.8413 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-06-02", "window": { "start": { "local": "1908-06-02T11:43:50-04:56", "utc": "1908-06-02T16:39:50Z", "ms": -1943335209860.1758 }, "end": { "local": "1908-06-02T12:31:50-04:56", "utc": "1908-06-02T17:27:50Z", "ms": -1943332329860.1758 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-06-03", "window": { "start": { "local": "1908-06-03T11:44:00-04:56", "utc": "1908-06-03T16:40:00Z", "ms": -1943248800242.9612 }, "end": { "local": "1908-06-03T12:32:00-04:56", "utc": "1908-06-03T17:28:00Z", "ms": -1943245920242.9612 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:38 on Tue 2 Jun to 03:43 on Wed 3 Jun.", "fact": "1908-06-02T06:35:20Z → 1908-06-03T08:40:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 2nd, 11:43–12:31 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28791 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cali, 1908: Tuesday 2 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-06-02", "confidence": "determinate" } ], "quote": "In Cali, Vināyaka Caturthī 1908 falls on Tuesday 2 June. Caturthī runs from 01:38 on Tue 2 Jun to 03:43 on Wed 3 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/vinayaka-chaturthi?on=1908-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11361, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1908-06-04T06:06:33-04:56", "utc": "1908-06-04T11:02:33Z", "ms": -1943182647495.626 }, "end": { "local": "1908-06-05T08:34:59-04:56", "utc": "1908-06-05T13:30:59Z", "ms": -1943087340620.795 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1908-06-04T06:06:33-04:56", "utc": "1908-06-04T11:02:33Z", "ms": -1943182647495.626 }, "end": { "local": "1908-06-05T08:34:59-04:56", "utc": "1908-06-05T13:30:59Z", "ms": -1943087340620.795 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-06-04", "window": { "start": { "local": "1908-06-04T11:44:10-04:56", "utc": "1908-06-04T16:40:10Z", "ms": -1943162390274.9214 }, "end": { "local": "1908-06-04T12:32:10-04:56", "utc": "1908-06-04T17:28:10Z", "ms": -1943159510274.9214 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-06-05", "window": { "start": { "local": "1908-06-05T11:44:20-04:56", "utc": "1908-06-05T16:40:20Z", "ms": -1943075979975.91 }, "end": { "local": "1908-06-05T12:32:20-04:56", "utc": "1908-06-05T17:28:20Z", "ms": -1943073099975.91 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:06 on Thu 4 Jun to 08:34 on Fri 5 Jun.", "fact": "1908-06-04T11:02:33Z → 1908-06-05T13:30:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 4th, 11:43–12:31 on the 5th.", "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 4th and 0 of 48 on the 5th.", "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 11361 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Cali, 1908: Thursday 4 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-06-04", "confidence": "determinate" } ], "quote": "In Cali, Araṇya Gaurī Vrata 1908 falls on Thursday 4 June. Ṣaṣṭhī runs from 06:06 on Thu 4 Jun to 08:34 on Fri 5 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11361, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1908-06-04T06:06:33-04:56", "utc": "1908-06-04T11:02:33Z", "ms": -1943182647495.626 }, "end": { "local": "1908-06-05T08:34:59-04:56", "utc": "1908-06-05T13:30:59Z", "ms": -1943087340620.795 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1908-06-04T06:06:33-04:56", "utc": "1908-06-04T11:02:33Z", "ms": -1943182647495.626 }, "end": { "local": "1908-06-05T08:34:59-04:56", "utc": "1908-06-05T13:30:59Z", "ms": -1943087340620.795 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-06-04", "window": { "start": { "local": "1908-06-04T11:44:10-04:56", "utc": "1908-06-04T16:40:10Z", "ms": -1943162390274.9214 }, "end": { "local": "1908-06-04T12:32:10-04:56", "utc": "1908-06-04T17:28:10Z", "ms": -1943159510274.9214 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-06-05", "window": { "start": { "local": "1908-06-05T11:44:20-04:56", "utc": "1908-06-05T16:40:20Z", "ms": -1943075979975.91 }, "end": { "local": "1908-06-05T12:32:20-04:56", "utc": "1908-06-05T17:28:20Z", "ms": -1943073099975.91 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:06 on Thu 4 Jun to 08:34 on Fri 5 Jun.", "fact": "1908-06-04T11:02:33Z → 1908-06-05T13:30:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 4th, 11:43–12:31 on the 5th.", "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 4th and 0 of 48 on the 5th.", "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 11361 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Cali, 1908: Thursday 4 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-06-04", "confidence": "determinate" } ], "quote": "In Cali, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1908 falls on Thursday 4 June. Ṣaṣṭhī runs from 06:06 on Thu 4 Jun to 08:34 on Fri 5 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-06-10", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33250, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-06-09T15:13:58-04:56", "utc": "1908-06-09T20:09:58Z", "ms": -1942717801713.1096 }, "end": { "local": "1908-06-10T15:18:39-04:56", "utc": "1908-06-10T20:14:39Z", "ms": -1942631121243.5112 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1908-06-09T15:13:58-04:56", "utc": "1908-06-09T20:09:58Z", "ms": -1942717801713.1096 }, "end": { "local": "1908-06-10T15:18:39-04:56", "utc": "1908-06-10T20:14:39Z", "ms": -1942631121243.5112 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-06-09", "window": { "start": { "local": "1908-06-09T05:59:48-04:56", "utc": "1908-06-09T10:55:48Z", "ms": -1942751051850.2495 }, "end": { "local": "1908-06-09T05:59:48-04:56", "utc": "1908-06-09T10:55:48Z", "ms": -1942751051850.2495 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-06-10", "window": { "start": { "local": "1908-06-10T05:59:58-04:56", "utc": "1908-06-10T10:55:58Z", "ms": -1942664641723.9973 }, "end": { "local": "1908-06-10T05:59:58-04:56", "utc": "1908-06-10T10:55:58Z", "ms": -1942664641723.9973 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:13 on Tue 9 Jun to 15:18 on Wed 10 Jun.", "fact": "1908-06-09T20:09:58Z → 1908-06-10T20:14:39Z" }, { "step": "kaala", "text": "Sunrise is at 05:59 on the 9th and 05:59 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33250 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Cali, 1908: Wednesday 10 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": "1908-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-06-10", "confidence": "determinate" } ], "quote": "In Cali, Nirjalā Ekādaśī 1908 falls on Wednesday 10 June. Ekādaśī runs from 15:13 on Tue 9 Jun to 15:18 on Wed 10 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-06-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7549, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1908-06-10T15:18:39-04:56", "utc": "1908-06-10T20:14:39Z", "ms": -1942631121243.5112 }, "end": { "local": "1908-06-11T14:39:17-04:56", "utc": "1908-06-11T19:35:17Z", "ms": -1942547083473.7756 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1908-06-10T15:18:39-04:56", "utc": "1908-06-10T20:14:39Z", "ms": -1942631121243.5112 }, "end": { "local": "1908-06-11T14:39:17-04:56", "utc": "1908-06-11T19:35:17Z", "ms": -1942547083473.7756 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-06-10", "window": { "start": { "local": "1908-06-10T11:45:16-04:56", "utc": "1908-06-10T16:41:16Z", "ms": -1942643924213.9004 }, "end": { "local": "1908-06-10T12:33:16-04:56", "utc": "1908-06-10T17:29:16Z", "ms": -1942641044213.9004 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-06-11", "window": { "start": { "local": "1908-06-11T11:45:28-04:56", "utc": "1908-06-11T16:41:28Z", "ms": -1942557512346.3396 }, "end": { "local": "1908-06-11T12:33:28-04:56", "utc": "1908-06-11T17:29:28Z", "ms": -1942554632346.3396 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:18 on Wed 10 Jun to 14:38 on Thu 11 Jun.", "fact": "1908-06-10T20:14:39Z → 1908-06-11T19:35:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 10th, 11:44–12:32 on the 11th.", "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 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7549 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Cali, 1908: Thursday 11 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-06-11", "confidence": "determinate" } ], "quote": "In Cali, Śrī Rāma Dvādaśī 1908 falls on Thursday 11 June. Dvādaśī runs from 15:18 on Wed 10 Jun to 14:38 on Thu 11 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/pradosha-vrata?on=1908-06-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13170, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-06-11T14:39:17-04:56", "utc": "1908-06-11T19:35:17Z", "ms": -1942547083473.7756 }, "end": { "local": "1908-06-12T13:19:00-04:56", "utc": "1908-06-12T18:15:00Z", "ms": -1942465500449.8777 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1908-06-11T14:39:17-04:56", "utc": "1908-06-11T19:35:17Z", "ms": -1942547083473.7756 }, "end": { "local": "1908-06-12T13:19:00-04:56", "utc": "1908-06-12T18:15:00Z", "ms": -1942465500449.8777 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-06-11", "window": { "start": { "local": "1908-06-11T18:18:47-04:56", "utc": "1908-06-11T23:14:47Z", "ms": -1942533913435.4512 }, "end": { "local": "1908-06-11T19:52:19-04:56", "utc": "1908-06-12T00:48:19Z", "ms": -1942528301039.784 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1908-06-12", "window": { "start": { "local": "1908-06-12T18:19:00-04:56", "utc": "1908-06-12T23:15:00Z", "ms": -1942447500102.3137 }, "end": { "local": "1908-06-12T19:52:32-04:56", "utc": "1908-06-13T00:48:32Z", "ms": -1942441888005.175 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:38 on Thu 11 Jun to 13:18 on Fri 12 Jun.", "fact": "1908-06-11T19:35:17Z → 1908-06-12T18:15:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:51 on the 11th, 18:18–19:52 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 94 of 94 minutes on the 11th and 0 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 13170 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cali, 1908: Thursday 11 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": "1908-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-06-11", "confidence": "determinate" } ], "quote": "In Cali, Śukla Pradoṣa Vrata 1908 falls on Thursday 11 June. Trayodaśī runs from 14:38 on Thu 11 Jun to 13:18 on Fri 12 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24957, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-06-13T11:23:16-04:56", "utc": "1908-06-13T16:19:16Z", "ms": -1942386043795.955 }, "end": { "local": "1908-06-14T08:59:04-04:56", "utc": "1908-06-14T13:55:04Z", "ms": -1942308296091.3787 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1908-06-13T11:23:16-04:56", "utc": "1908-06-13T16:19:16Z", "ms": -1942386043795.955 }, "end": { "local": "1908-06-14T08:59:04-04:56", "utc": "1908-06-14T13:55:04Z", "ms": -1942308296091.3787 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-06-13", "window": { "start": { "local": "1908-06-13T18:19:13-04:56", "utc": "1908-06-13T23:15:13Z", "ms": -1942361086723.3386 }, "end": { "local": "1908-06-13T19:52:45-04:56", "utc": "1908-06-14T00:48:45Z", "ms": -1942355474892.492 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1908-06-14", "window": { "start": { "local": "1908-06-14T18:19:27-04:56", "utc": "1908-06-14T23:15:27Z", "ms": -1942274673317.002 }, "end": { "local": "1908-06-14T19:52:58-04:56", "utc": "1908-06-15T00:48:58Z", "ms": -1942269061720.0247 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:22 on Sat 13 Jun to 08:58 on Sun 14 Jun.", "fact": "1908-06-13T16:19:16Z → 1908-06-14T13:55:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:52 on the 13th, 18:18–19:52 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 94 of 94 minutes on the 13th and 0 of 94 on the 14th.", "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 24957 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Cali, 1908: Saturday 13 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": "1908-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-06-13", "confidence": "determinate" } ], "quote": "In Cali, Vaṭa Sāvitrī Vrata 1908 falls on Saturday 13 June. Pūrṇimā runs from 11:22 on Sat 13 Jun to 08:58 on Sun 14 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/sankashta-chaturthi?on=1908-06-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-06-16", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1981, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-06-17T00:13:39-04:56", "utc": "1908-06-17T05:09:39Z", "ms": -1942080620783.4832 }, "end": { "local": "1908-06-17T21:13:20-04:56", "utc": "1908-06-18T02:09:20Z", "ms": -1942005039757.399 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-06-17T00:13:39-04:56", "utc": "1908-06-17T05:09:39Z", "ms": -1942080620783.4832 }, "end": { "local": "1908-06-17T21:13:20-04:56", "utc": "1908-06-18T02:09:20Z", "ms": -1942005039757.399 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-06-16", "window": { "start": { "local": "1908-06-16T20:46:42-04:56", "utc": "1908-06-17T01:42:42Z", "ms": -1942093038169.2524 }, "end": { "local": "1908-06-16T20:46:42-04:56", "utc": "1908-06-17T01:42:42Z", "ms": -1942093038169.2524 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-06-17", "window": { "start": { "local": "1908-06-17T21:46:21-04:56", "utc": "1908-06-18T02:42:21Z", "ms": -1942003058985.6428 }, "end": { "local": "1908-06-17T21:46:21-04:56", "utc": "1908-06-18T02:42:21Z", "ms": -1942003058985.6428 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:13 on Wed 17 Jun to 21:12 on Wed 17 Jun.", "fact": "1908-06-17T05:09:39Z → 1908-06-18T02:09:20Z" }, { "step": "kaala", "text": "Moonrise is at 20:46 on the 16th and 21:45 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1981 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cali, 1908: Tuesday 16 June.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-06-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-06-16", "confidence": "boundary" } ], "quote": "In Cali, Saṅkaṣṭa Caturthī 1908 falls on Tuesday 16 June. Caturthī runs from 00:13 on Wed 17 Jun to 21:12 on Wed 17 Jun, and is current at moonrise on neither day.", "cite": "https://ahargana.org/cali/festivals/1908/sankashta-chaturthi?on=1908-06-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/ekadashi?on=1908-06-24", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9671, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-06-23T09:12:47-04:56", "utc": "1908-06-23T14:08:47Z", "ms": -1941529873480.1343 }, "end": { "local": "1908-06-24T08:43:58-04:56", "utc": "1908-06-24T13:39:58Z", "ms": -1941445201546.7292 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-06-23T09:12:47-04:56", "utc": "1908-06-23T14:08:47Z", "ms": -1941529873480.1343 }, "end": { "local": "1908-06-24T08:43:58-04:56", "utc": "1908-06-24T13:39:58Z", "ms": -1941445201546.7292 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-06-23", "window": { "start": { "local": "1908-06-23T06:02:34-04:56", "utc": "1908-06-23T10:58:34Z", "ms": -1941541285597.1514 }, "end": { "local": "1908-06-23T06:02:34-04:56", "utc": "1908-06-23T10:58:34Z", "ms": -1941541285597.1514 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-06-24", "window": { "start": { "local": "1908-06-24T06:02:48-04:56", "utc": "1908-06-24T10:58:48Z", "ms": -1941454872385.4468 }, "end": { "local": "1908-06-24T06:02:48-04:56", "utc": "1908-06-24T10:58:48Z", "ms": -1941454872385.4468 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:12 on Tue 23 Jun to 08:43 on Wed 24 Jun.", "fact": "1908-06-23T14:08:47Z → 1908-06-24T13:39:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:02 on the 23rd and 06:02 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is 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 9671 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Cali, 1908: Wednesday 24 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": "1908-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-06-24", "confidence": "determinate" } ], "quote": "In Cali, Yoginī Ekādaśī 1908 falls on Wednesday 24 June. Ekādaśī runs from 09:12 on Tue 23 Jun to 08:43 on Wed 24 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-06-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-06-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32886, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-06-25T08:44:29-04:56", "utc": "1908-06-25T13:40:29Z", "ms": -1941358770504.2754 }, "end": { "local": "1908-06-26T09:13:57-04:56", "utc": "1908-06-26T14:09:57Z", "ms": -1941270603278.9285 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-06-25T08:44:29-04:56", "utc": "1908-06-25T13:40:29Z", "ms": -1941358770504.2754 }, "end": { "local": "1908-06-26T09:13:57-04:56", "utc": "1908-06-26T14:09:57Z", "ms": -1941270603278.9285 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-06-25", "window": { "start": { "local": "1908-06-25T18:21:50-04:56", "utc": "1908-06-25T23:17:50Z", "ms": -1941324129691.82 }, "end": { "local": "1908-06-25T19:55:21-04:56", "utc": "1908-06-26T00:51:21Z", "ms": -1941318518509.5295 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1908-06-26", "window": { "start": { "local": "1908-06-26T18:22:02-04:56", "utc": "1908-06-26T23:18:02Z", "ms": -1941237717578.8855 }, "end": { "local": "1908-06-26T19:55:34-04:56", "utc": "1908-06-27T00:51:34Z", "ms": -1941232106239.0874 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:43 on Thu 25 Jun to 09:13 on Fri 26 Jun.", "fact": "1908-06-25T13:40:29Z → 1908-06-26T14:09:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:21–19:54 on the 25th, 18:21–19:55 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 94 of 94 minutes on the 25th and 0 of 94 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32886 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cali, 1908: Thursday 25 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": "1908-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-06-25", "confidence": "determinate" } ], "quote": "In Cali, Kṛṣṇa Pradoṣa Vrata 1908 falls on Thursday 25 June. Trayodaśī runs from 08:43 on Thu 25 Jun to 09:13 on Fri 26 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-06-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shivaratri?on=1908-06-26", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31044, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-06-26T09:13:57-04:56", "utc": "1908-06-26T14:09:57Z", "ms": -1941270603278.9285 }, "end": { "local": "1908-06-27T10:11:25-04:56", "utc": "1908-06-27T15:07:25Z", "ms": -1941180754964.3198 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-06-26T09:13:57-04:56", "utc": "1908-06-26T14:09:57Z", "ms": -1941270603278.9285 }, "end": { "local": "1908-06-27T10:11:25-04:56", "utc": "1908-06-27T15:07:25Z", "ms": -1941180754964.3198 } }, "kaala": "nishita", "days": [ { "local_date": "1908-06-25", "window": { "start": { "local": "1908-06-25T23:48:32-04:56", "utc": "1908-06-26T04:44:32Z", "ms": -1941304527758.2307 }, "end": { "local": "1908-06-26T00:36:32-04:56", "utc": "1908-06-26T05:32:32Z", "ms": -1941301647758.2307 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-06-26", "window": { "start": { "local": "1908-06-26T23:48:45-04:56", "utc": "1908-06-27T04:44:45Z", "ms": -1941218115054.642 }, "end": { "local": "1908-06-27T00:36:45-04:56", "utc": "1908-06-27T05:32:45Z", "ms": -1941215235054.642 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:13 on Fri 26 Jun to 10:10 on Sat 27 Jun.", "fact": "1908-06-26T14:09:57Z → 1908-06-27T15:07:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 25th, 23:48–00:36 on the 26th.", "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 25th and 48 of 48 on the 26th.", "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 31044 s" }, { "step": "ruling", "text": "Śivarātri, Cali, 1908: Friday 26 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": "1908-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-06-26", "confidence": "determinate" } ], "quote": "In Cali, Śivarātri 1908 falls on Friday 26 June. Caturdaśī runs from 09:13 on Fri 26 Jun to 10:10 on Sat 27 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/shivaratri?on=1908-06-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2754, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1908-06-29T13:23:10-04:56", "utc": "1908-06-29T18:19:10Z", "ms": -1940996450202.069 }, "end": { "local": "1908-06-30T15:31:02-04:56", "utc": "1908-06-30T20:27:02Z", "ms": -1940902378413.9343 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-06-29T13:23:10-04:56", "utc": "1908-06-29T18:19:10Z", "ms": -1940996450202.069 }, "end": { "local": "1908-06-30T15:31:02-04:56", "utc": "1908-06-30T20:27:02Z", "ms": -1940902378413.9343 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-06-29", "window": { "start": { "local": "1908-06-29T11:49:15-04:56", "utc": "1908-06-29T16:45:15Z", "ms": -1941002084503.8418 }, "end": { "local": "1908-06-29T12:37:15-04:56", "utc": "1908-06-29T17:33:15Z", "ms": -1940999204503.8418 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-06-30", "window": { "start": { "local": "1908-06-30T11:49:28-04:56", "utc": "1908-06-30T16:45:28Z", "ms": -1940915672497.8188 }, "end": { "local": "1908-06-30T12:37:28-04:56", "utc": "1908-06-30T17:33:28Z", "ms": -1940912792497.8188 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 13:22 on Mon 29 Jun to 15:30 on Tue 30 Jun.", "fact": "1908-06-29T18:19:10Z → 1908-06-30T20:27:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 29th, 11:48–12:36 on the 30th.", "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 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2754 s" }, { "step": "ruling", "text": "Rathayātrā, Cali, 1908: Tuesday 30 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": "1908-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-06-30", "confidence": "boundary" } ], "quote": "In Cali, Rathayātrā 1908 falls on Tuesday 30 June. Dvitīyā runs from 13:22 on Mon 29 Jun to 15:30 on Tue 30 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/vinayaka-chaturthi?on=1908-07-02", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18936, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-07-01T17:53:15-04:56", "utc": "1908-07-01T22:49:15Z", "ms": -1940807444991.9578 }, "end": { "local": "1908-07-02T20:22:08-04:56", "utc": "1908-07-03T01:18:08Z", "ms": -1940712112083.9075 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-07-01T17:53:15-04:56", "utc": "1908-07-01T22:49:15Z", "ms": -1940807444991.9578 }, "end": { "local": "1908-07-02T20:22:08-04:56", "utc": "1908-07-03T01:18:08Z", "ms": -1940712112083.9075 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-07-01", "window": { "start": { "local": "1908-07-01T11:49:39-04:56", "utc": "1908-07-01T16:45:39Z", "ms": -1940829260731.6514 }, "end": { "local": "1908-07-01T12:37:39-04:56", "utc": "1908-07-01T17:33:39Z", "ms": -1940826380731.6514 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-07-02", "window": { "start": { "local": "1908-07-02T11:49:51-04:56", "utc": "1908-07-02T16:45:51Z", "ms": -1940742849230.199 }, "end": { "local": "1908-07-02T12:37:51-04:56", "utc": "1908-07-02T17:33:51Z", "ms": -1940739969230.199 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:52 on Wed 1 Jul to 20:21 on Thu 2 Jul.", "fact": "1908-07-01T22:49:15Z → 1908-07-03T01:18:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 1st, 11:49–12:37 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "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 18936 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cali, 1908: Thursday 2 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": "1908-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-02", "confidence": "determinate" } ], "quote": "In Cali, Vināyaka Caturthī 1908 falls on Thursday 2 July. Caturthī runs from 17:52 on Wed 1 Jul to 20:21 on Thu 2 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/vinayaka-chaturthi?on=1908-07-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27857, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1908-07-02T20:22:08-04:56", "utc": "1908-07-03T01:18:08Z", "ms": -1940712112083.9075 }, "end": { "local": "1908-07-03T22:48:04-04:56", "utc": "1908-07-04T03:44:04Z", "ms": -1940616956043.3608 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-07-02T20:22:08-04:56", "utc": "1908-07-03T01:18:08Z", "ms": -1940712112083.9075 }, "end": { "local": "1908-07-03T22:48:04-04:56", "utc": "1908-07-04T03:44:04Z", "ms": -1940616956043.3608 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-07-02", "window": { "start": { "local": "1908-07-02T11:49:51-04:56", "utc": "1908-07-02T16:45:51Z", "ms": -1940742849230.199 }, "end": { "local": "1908-07-02T12:37:51-04:56", "utc": "1908-07-02T17:33:51Z", "ms": -1940739969230.199 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-07-03", "window": { "start": { "local": "1908-07-03T11:50:02-04:56", "utc": "1908-07-03T16:46:02Z", "ms": -1940656438017.4734 }, "end": { "local": "1908-07-03T12:38:02-04:56", "utc": "1908-07-03T17:34:02Z", "ms": -1940653558017.4734 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:21 on Thu 2 Jul to 22:47 on Fri 3 Jul.", "fact": "1908-07-03T01:18:08Z → 1908-07-04T03:44:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 2nd, 11:49–12:37 on the 3rd.", "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 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: paraviddha → only-day · margin 27857 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Cali, 1908: Friday 3 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-03", "confidence": "determinate" } ], "quote": "In Cali, Skanda Pañcamī 1908 falls on Friday 3 July. Pañcamī runs from 20:21 on Thu 2 Jul to 22:47 on Fri 3 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32584, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1908-07-05T01:00:11-04:56", "utc": "1908-07-05T05:56:11Z", "ms": -1940522628873.499 }, "end": { "local": "1908-07-06T02:47:29-04:56", "utc": "1908-07-06T07:43:29Z", "ms": -1940429790630.6023 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-07-05T01:00:11-04:56", "utc": "1908-07-05T05:56:11Z", "ms": -1940522628873.499 }, "end": { "local": "1908-07-06T02:47:29-04:56", "utc": "1908-07-06T07:43:29Z", "ms": -1940429790630.6023 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-07-05", "window": { "start": { "local": "1908-07-05T11:50:23-04:56", "utc": "1908-07-05T16:46:23Z", "ms": -1940483616549.623 }, "end": { "local": "1908-07-05T12:38:23-04:56", "utc": "1908-07-05T17:34:23Z", "ms": -1940480736549.623 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-07-06", "window": { "start": { "local": "1908-07-06T11:50:34-04:56", "utc": "1908-07-06T16:46:34Z", "ms": -1940397206337.712 }, "end": { "local": "1908-07-06T12:38:34-04:56", "utc": "1908-07-06T17:34:34Z", "ms": -1940394326337.712 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:59 on Sun 5 Jul to 02:46 on Mon 6 Jul.", "fact": "1908-07-05T05:56:11Z → 1908-07-06T07:43:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 5th, 11:50–12:38 on the 6th.", "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 5th and 0 of 48 on the 6th.", "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 32584 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Cali, 1908: Sunday 5 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-05", "confidence": "determinate" } ], "quote": "In Cali, Vivasvat Saptamī 1908 falls on Sunday 5 July. Saptamī runs from 00:59 on Sun 5 Jul to 02:46 on Mon 6 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-07-09", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6595, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-07-09T04:16:02-04:56", "utc": "1908-07-09T09:12:02Z", "ms": -1940165278026.3794 }, "end": { "local": "1908-07-10T03:14:34-04:56", "utc": "1908-07-10T08:10:34Z", "ms": -1940082566295.8115 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-07-09T04:16:02-04:56", "utc": "1908-07-09T09:12:02Z", "ms": -1940165278026.3794 }, "end": { "local": "1908-07-10T03:14:34-04:56", "utc": "1908-07-10T08:10:34Z", "ms": -1940082566295.8115 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-07-09", "window": { "start": { "local": "1908-07-09T06:05:57-04:56", "utc": "1908-07-09T11:01:57Z", "ms": -1940158682611.8623 }, "end": { "local": "1908-07-09T06:05:57-04:56", "utc": "1908-07-09T11:01:57Z", "ms": -1940158682611.8623 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-07-10", "window": { "start": { "local": "1908-07-10T06:06:08-04:56", "utc": "1908-07-10T11:02:08Z", "ms": -1940072271638.5876 }, "end": { "local": "1908-07-10T06:06:08-04:56", "utc": "1908-07-10T11:02:08Z", "ms": -1940072271638.5876 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:15 on Thu 9 Jul to 03:14 on Fri 10 Jul.", "fact": "1908-07-09T09:12:02Z → 1908-07-10T08:10:34Z" }, { "step": "kaala", "text": "Sunrise is at 06:05 on the 9th and 06:05 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6595 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Cali, 1908: Thursday 9 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": "1908-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-09", "confidence": "determinate" } ], "quote": "In Cali, Hariśayanī Ekādaśī 1908 falls on Thursday 9 July. Ekādaśī runs from 04:15 on Thu 9 Jul to 03:14 on Fri 10 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-07-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-07-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11249, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-07-11T01:29:17-04:56", "utc": "1908-07-11T06:25:17Z", "ms": -1940002482930.4338 }, "end": { "local": "1908-07-11T23:05:25-04:56", "utc": "1908-07-12T04:01:25Z", "ms": -1939924714807.4226 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-07-11T01:29:17-04:56", "utc": "1908-07-11T06:25:17Z", "ms": -1940002482930.4338 }, "end": { "local": "1908-07-11T23:05:25-04:56", "utc": "1908-07-12T04:01:25Z", "ms": -1939924714807.4226 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-07-10", "window": { "start": { "local": "1908-07-10T18:24:13-04:56", "utc": "1908-07-10T23:20:13Z", "ms": -1940027987201.4543 }, "end": { "local": "1908-07-10T19:57:50-04:56", "utc": "1908-07-11T00:53:50Z", "ms": -1940022370373.4749 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1908-07-11", "window": { "start": { "local": "1908-07-11T18:24:18-04:56", "utc": "1908-07-11T23:20:18Z", "ms": -1939941581519.3896 }, "end": { "local": "1908-07-11T19:57:56-04:56", "utc": "1908-07-12T00:53:56Z", "ms": -1939935964074.8708 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:28 on Sat 11 Jul to 23:04 on Sat 11 Jul.", "fact": "1908-07-11T06:25:17Z → 1908-07-12T04:01:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–19:57 on the 10th, 18:23–19:57 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 10th and 94 of 94 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11249 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cali, 1908: Saturday 11 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": "1908-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-11", "confidence": "determinate" } ], "quote": "In Cali, Śukla Pradoṣa Vrata 1908 falls on Saturday 11 July. Trayodaśī runs from 01:28 on Sat 11 Jul to 23:04 on Sat 11 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-07-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-12", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 724, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-07-12T20:10:06-04:56", "utc": "1908-07-13T01:06:06Z", "ms": -1939848834229.6116 }, "end": { "local": "1908-07-13T16:51:43-04:56", "utc": "1908-07-13T21:47:43Z", "ms": -1939774336613.882 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-07-12T20:10:06-04:56", "utc": "1908-07-13T01:06:06Z", "ms": -1939848834229.6116 }, "end": { "local": "1908-07-13T16:51:43-04:56", "utc": "1908-07-13T21:47:43Z", "ms": -1939774336613.882 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-07-12", "window": { "start": { "local": "1908-07-12T18:24:24-04:56", "utc": "1908-07-12T23:20:24Z", "ms": -1939855176402.9846 }, "end": { "local": "1908-07-12T19:58:02-04:56", "utc": "1908-07-13T00:54:02Z", "ms": -1939849558313.684 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1908-07-13", "window": { "start": { "local": "1908-07-13T18:24:28-04:56", "utc": "1908-07-13T23:20:28Z", "ms": -1939768771860.8516 }, "end": { "local": "1908-07-13T19:58:07-04:56", "utc": "1908-07-14T00:54:07Z", "ms": -1939763153098.915 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:09 on Sun 12 Jul to 16:51 on Mon 13 Jul.", "fact": "1908-07-13T01:06:06Z → 1908-07-13T21:47:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–19:57 on the 12th, 18:23–19:57 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 94 minutes on the 12th and 0 of 94 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 724 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Cali, 1908: Sunday 12 July.", "fact": "confidence: boundary (absent-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": "1908-07-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-12", "confidence": "determinate" } ], "quote": "In Cali, Śiva Śayanotsava 1908 falls on Sunday 12 July. Pūrṇimā runs from 20:09 on Sun 12 Jul to 16:51 on Mon 13 Jul, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29850, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-07-12T20:10:06-04:56", "utc": "1908-07-13T01:06:06Z", "ms": -1939848834229.6116 }, "end": { "local": "1908-07-13T16:51:43-04:56", "utc": "1908-07-13T21:47:43Z", "ms": -1939774336613.882 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-07-12T20:10:06-04:56", "utc": "1908-07-13T01:06:06Z", "ms": -1939848834229.6116 }, "end": { "local": "1908-07-13T16:51:43-04:56", "utc": "1908-07-13T21:47:43Z", "ms": -1939774336613.882 } }, "kaala": "udaya-3", "days": [ { "local_date": "1908-07-12", "window": { "start": { "local": "1908-07-12T06:06:29-04:56", "utc": "1908-07-12T11:02:29Z", "ms": -1939899450685.4993 }, "end": { "local": "1908-07-12T08:34:04-04:56", "utc": "1908-07-12T13:30:04Z", "ms": -1939890595828.9963 } }, "covered_min": 0, "window_min": 148, "qualifies": false }, { "local_date": "1908-07-13", "window": { "start": { "local": "1908-07-13T06:06:39-04:56", "utc": "1908-07-13T11:02:39Z", "ms": -1939813040733.23 }, "end": { "local": "1908-07-13T08:34:13-04:56", "utc": "1908-07-13T13:30:13Z", "ms": -1939804186958.7544 } }, "covered_min": 148, "window_min": 148, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:09 on Sun 12 Jul to 16:51 on Mon 13 Jul.", "fact": "1908-07-13T01:06:06Z → 1908-07-13T21:47:43Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:05–08:33 on the 12th, 06:06–08:33 on the 13th.", "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 148 minutes on the 12th and 148 of 148 on the 13th.", "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 29850 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Cali, 1908: Monday 13 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": "1908-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-13", "confidence": "determinate" } ], "quote": "In Cali, Vyāsa Pūjā 1908 falls on Monday 13 July. Pūrṇimā runs from 20:09 on Sun 12 Jul to 16:51 on Mon 13 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15130, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-07-12T20:10:06-04:56", "utc": "1908-07-13T01:06:06Z", "ms": -1939848834229.6116 }, "end": { "local": "1908-07-13T16:51:43-04:56", "utc": "1908-07-13T21:47:43Z", "ms": -1939774336613.882 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-07-12T20:10:06-04:56", "utc": "1908-07-13T01:06:06Z", "ms": -1939848834229.6116 }, "end": { "local": "1908-07-13T16:51:43-04:56", "utc": "1908-07-13T21:47:43Z", "ms": -1939774336613.882 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-07-12", "window": { "start": { "local": "1908-07-12T11:51:26-04:56", "utc": "1908-07-12T16:47:26Z", "ms": -1939878753544.242 }, "end": { "local": "1908-07-12T12:39:26-04:56", "utc": "1908-07-12T17:35:26Z", "ms": -1939875873544.242 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-07-13", "window": { "start": { "local": "1908-07-13T11:51:34-04:56", "utc": "1908-07-13T16:47:34Z", "ms": -1939792346297.0408 }, "end": { "local": "1908-07-13T12:39:34-04:56", "utc": "1908-07-13T17:35:34Z", "ms": -1939789466297.0408 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:09 on Sun 12 Jul to 16:51 on Mon 13 Jul.", "fact": "1908-07-13T01:06:06Z → 1908-07-13T21:47:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 12th, 11:51–12:39 on the 13th.", "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 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15130 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Cali, 1908: Monday 13 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": "1908-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-13", "confidence": "determinate" } ], "quote": "In Cali, Guru Pūrṇimā 1908 falls on Monday 13 July. Pūrṇimā runs from 20:09 on Sun 12 Jul to 16:51 on Mon 13 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3289, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-07-12T20:10:06-04:56", "utc": "1908-07-13T01:06:06Z", "ms": -1939848834229.6116 }, "end": { "local": "1908-07-13T16:51:43-04:56", "utc": "1908-07-13T21:47:43Z", "ms": -1939774336613.882 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1908-07-12T20:10:06-04:56", "utc": "1908-07-13T01:06:06Z", "ms": -1939848834229.6116 }, "end": { "local": "1908-07-13T16:51:43-04:56", "utc": "1908-07-13T21:47:43Z", "ms": -1939774336613.882 } }, "kaala": "sayahna", "days": [ { "local_date": "1908-07-12", "window": { "start": { "local": "1908-07-12T15:56:49-04:56", "utc": "1908-07-12T20:52:49Z", "ms": -1939864031259.4875 }, "end": { "local": "1908-07-12T18:24:24-04:56", "utc": "1908-07-12T23:20:24Z", "ms": -1939855176402.9846 } }, "covered_min": 0, "window_min": 148, "qualifies": false }, { "local_date": "1908-07-13", "window": { "start": { "local": "1908-07-13T15:56:54-04:56", "utc": "1908-07-13T20:52:54Z", "ms": -1939777625635.3271 }, "end": { "local": "1908-07-13T18:24:28-04:56", "utc": "1908-07-13T23:20:28Z", "ms": -1939768771860.8516 } }, "covered_min": 55, "window_min": 148, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:09 on Sun 12 Jul to 16:51 on Mon 13 Jul.", "fact": "1908-07-13T01:06:06Z → 1908-07-13T21:47:43Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:56–18:23 on the 12th, 15:56–18:23 on the 13th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 148 minutes on the 12th and 55 of 148 on the 13th.", "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 3289 s" }, { "step": "ruling", "text": "Kokilā Vrata, Cali, 1908: Monday 13 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": "1908-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-13", "confidence": "determinate" } ], "quote": "In Cali, Kokilā Vrata 1908 falls on Monday 13 July. Pūrṇimā runs from 20:09 on Sun 12 Jul to 16:51 on Mon 13 Jul and covers 55 of 148 minutes of sāyāhna that late afternoon.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22319, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1908-07-14T13:19:28-04:56", "utc": "1908-07-14T18:15:28Z", "ms": -1939700671761.7935 }, "end": { "local": "1908-07-15T09:42:51-04:56", "utc": "1908-07-15T14:38:51Z", "ms": -1939627269027.6592 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1908-07-14T13:19:28-04:56", "utc": "1908-07-14T18:15:28Z", "ms": -1939700671761.7935 }, "end": { "local": "1908-07-15T09:42:51-04:56", "utc": "1908-07-15T14:38:51Z", "ms": -1939627269027.6592 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-07-14", "window": { "start": { "local": "1908-07-14T19:31:27-04:56", "utc": "1908-07-15T00:27:27Z", "ms": -1939678353162.1006 }, "end": { "local": "1908-07-14T19:31:27-04:56", "utc": "1908-07-15T00:27:27Z", "ms": -1939678353162.1006 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-07-15", "window": { "start": { "local": "1908-07-15T20:31:01-04:56", "utc": "1908-07-16T01:27:01Z", "ms": -1939588379188.3606 }, "end": { "local": "1908-07-15T20:31:01-04:56", "utc": "1908-07-16T01:27:01Z", "ms": -1939588379188.3606 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 13:18 on Tue 14 Jul to 09:42 on Wed 15 Jul.", "fact": "1908-07-14T18:15:28Z → 1908-07-15T14:38:51Z" }, { "step": "kaala", "text": "Moonrise is at 19:30 on the 14th and 20:30 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 14th and is not on the 15th.", "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 22319 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Cali, 1908: Tuesday 14 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": "1908-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-14", "confidence": "determinate" } ], "quote": "In Cali, Aśūnya Śayana Vrata (Āṣāḍha) 1908 falls on Tuesday 14 July. Dvitīyā runs from 13:18 on Tue 14 Jul to 09:42 on Wed 15 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/sankashta-chaturthi?on=1908-07-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19655, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-07-16T06:11:21-04:56", "utc": "1908-07-16T11:07:21Z", "ms": -1939553558735.5903 }, "end": { "local": "1908-07-17T02:54:07-04:56", "utc": "1908-07-17T07:50:07Z", "ms": -1939478992832.8906 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1908-07-16T06:11:21-04:56", "utc": "1908-07-16T11:07:21Z", "ms": -1939553558735.5903 }, "end": { "local": "1908-07-17T02:54:07-04:56", "utc": "1908-07-17T07:50:07Z", "ms": -1939478992832.8906 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-07-15", "window": { "start": { "local": "1908-07-15T20:31:01-04:56", "utc": "1908-07-16T01:27:01Z", "ms": -1939588379188.3606 }, "end": { "local": "1908-07-15T20:31:01-04:56", "utc": "1908-07-16T01:27:01Z", "ms": -1939588379188.3606 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-07-16", "window": { "start": { "local": "1908-07-16T21:26:32-04:56", "utc": "1908-07-17T02:22:32Z", "ms": -1939498648217.7637 }, "end": { "local": "1908-07-16T21:26:32-04:56", "utc": "1908-07-17T02:22:32Z", "ms": -1939498648217.7637 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:10 on Thu 16 Jul to 02:53 on Fri 17 Jul.", "fact": "1908-07-16T11:07:21Z → 1908-07-17T07:50:07Z" }, { "step": "kaala", "text": "Moonrise is at 20:30 on the 15th and 21:26 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 15th and is on the 16th.", "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 19655 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cali, 1908: Thursday 16 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": "1908-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-16", "confidence": "determinate" } ], "quote": "In Cali, Saṅkaṣṭa Caturthī 1908 falls on Thursday 16 July. Caturthī runs from 06:10 on Thu 16 Jul to 02:53 on Fri 17 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/sankashta-chaturthi?on=1908-07-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/ekadashi?on=1908-07-23", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40011, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-07-22T18:15:34-04:56", "utc": "1908-07-22T23:11:34Z", "ms": -1938991705703.4854 }, "end": { "local": "1908-07-23T19:01:11-04:56", "utc": "1908-07-23T23:57:11Z", "ms": -1938902568718.2102 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1908-07-22T18:15:34-04:56", "utc": "1908-07-22T23:11:34Z", "ms": -1938991705703.4854 }, "end": { "local": "1908-07-23T19:01:11-04:56", "utc": "1908-07-23T23:57:11Z", "ms": -1938902568718.2102 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-07-23", "window": { "start": { "local": "1908-07-23T06:07:57-04:56", "utc": "1908-07-23T11:03:57Z", "ms": -1938948962983.9978 }, "end": { "local": "1908-07-23T06:07:57-04:56", "utc": "1908-07-23T11:03:57Z", "ms": -1938948962983.9978 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-07-24", "window": { "start": { "local": "1908-07-24T06:08:02-04:56", "utc": "1908-07-24T11:04:02Z", "ms": -1938862557623.3337 }, "end": { "local": "1908-07-24T06:08:02-04:56", "utc": "1908-07-24T11:04:02Z", "ms": -1938862557623.3337 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:15 on Wed 22 Jul to 19:00 on Thu 23 Jul.", "fact": "1908-07-22T23:11:34Z → 1908-07-23T23:57:11Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 23rd and 06:07 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 40011 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Cali, 1908: Thursday 23 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": "1908-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-23", "confidence": "determinate" } ], "quote": "In Cali, Kāmikā Ekādaśī 1908 falls on Thursday 23 July. Ekādaśī runs from 18:15 on Wed 22 Jul to 19:00 on Thu 23 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-07-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-07-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1182, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-07-24T20:18:08-04:56", "utc": "1908-07-25T01:14:08Z", "ms": -1938811552268.7698 }, "end": { "local": "1908-07-25T22:00:50-04:56", "utc": "1908-07-26T02:56:50Z", "ms": -1938718989508.4353 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1908-07-24T20:18:08-04:56", "utc": "1908-07-25T01:14:08Z", "ms": -1938811552268.7698 }, "end": { "local": "1908-07-25T22:00:50-04:56", "utc": "1908-07-26T02:56:50Z", "ms": -1938718989508.4353 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-07-24", "window": { "start": { "local": "1908-07-24T18:24:38-04:56", "utc": "1908-07-24T23:20:38Z", "ms": -1938818361714.4827 }, "end": { "local": "1908-07-24T19:58:26-04:56", "utc": "1908-07-25T00:54:26Z", "ms": -1938812733852.2607 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1908-07-25", "window": { "start": { "local": "1908-07-25T18:24:35-04:56", "utc": "1908-07-25T23:20:35Z", "ms": -1938731964595.2883 }, "end": { "local": "1908-07-25T19:58:24-04:56", "utc": "1908-07-26T00:54:24Z", "ms": -1938726335765.0552 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:17 on Fri 24 Jul to 22:00 on Sat 25 Jul.", "fact": "1908-07-25T01:14:08Z → 1908-07-26T02:56:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–19:57 on the 24th, 18:24–19:57 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 94 minutes on the 24th and 94 of 94 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 1182 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cali, 1908: Saturday 25 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": "1908-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-25", "confidence": "boundary" } ], "quote": "In Cali, Kṛṣṇa Pradoṣa Vrata 1908 falls on Saturday 25 July. Trayodaśī runs from 20:17 on Fri 24 Jul to 22:00 on Sat 25 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-07-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shivaratri?on=1908-07-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-25", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 670, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-07-25T22:00:50-04:56", "utc": "1908-07-26T02:56:50Z", "ms": -1938718989508.4353 }, "end": { "local": "1908-07-27T00:03:33-04:56", "utc": "1908-07-27T04:59:33Z", "ms": -1938625226563.5486 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1908-07-25T22:00:50-04:56", "utc": "1908-07-26T02:56:50Z", "ms": -1938718989508.4353 }, "end": { "local": "1908-07-27T00:03:33-04:56", "utc": "1908-07-27T04:59:33Z", "ms": -1938625226563.5486 } }, "kaala": "nishita", "days": [ { "local_date": "1908-07-25", "window": { "start": { "local": "1908-07-25T23:52:24-04:56", "utc": "1908-07-26T04:48:24Z", "ms": -1938712296481.9138 }, "end": { "local": "1908-07-26T00:40:24-04:56", "utc": "1908-07-26T05:36:24Z", "ms": -1938709416481.9138 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-07-26", "window": { "start": { "local": "1908-07-26T23:52:24-04:56", "utc": "1908-07-27T04:48:24Z", "ms": -1938625896318.519 }, "end": { "local": "1908-07-27T00:40:24-04:56", "utc": "1908-07-27T05:36:24Z", "ms": -1938623016318.519 } }, "covered_min": 11, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:00 on Sat 25 Jul to 00:03 on Mon 27 Jul.", "fact": "1908-07-26T02:56:50Z → 1908-07-27T04:59:33Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:51–00:39 on the 25th, 23:51–00:39 on the 26th.", "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 25th and 11 of 48 on the 26th.", "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 670 s" }, { "step": "ruling", "text": "Śivarātri, Cali, 1908: Saturday 25 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-07-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-25", "confidence": "boundary" } ], "quote": "In Cali, Śivarātri 1908 falls on Saturday 25 July. Caturdaśī runs from 22:00 on Sat 25 Jul to 00:03 on Mon 27 Jul and covers all of niśītha that night. It also reaches the next night for 11 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/cali/festivals/1908/shivaratri?on=1908-07-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7802, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1908-07-30T07:15:51-04:56", "utc": "1908-07-30T12:11:51Z", "ms": -1938340088920.7944 }, "end": { "local": "1908-07-31T09:42:13-04:56", "utc": "1908-07-31T14:38:13Z", "ms": -1938244906789.6824 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1908-07-30T07:15:51-04:56", "utc": "1908-07-30T12:11:51Z", "ms": -1938340088920.7944 }, "end": { "local": "1908-07-31T09:42:13-04:56", "utc": "1908-07-31T14:38:13Z", "ms": -1938244906789.6824 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-07-30", "window": { "start": { "local": "1908-07-30T11:52:17-04:56", "utc": "1908-07-30T16:48:17Z", "ms": -1938323502544.671 }, "end": { "local": "1908-07-30T12:40:17-04:56", "utc": "1908-07-30T17:36:17Z", "ms": -1938320622544.671 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-07-31", "window": { "start": { "local": "1908-07-31T11:52:15-04:56", "utc": "1908-07-31T16:48:15Z", "ms": -1938237105136.3484 }, "end": { "local": "1908-07-31T12:40:15-04:56", "utc": "1908-07-31T17:36:15Z", "ms": -1938234225136.3484 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:15 on Thu 30 Jul to 09:41 on Fri 31 Jul.", "fact": "1908-07-30T12:11:51Z → 1908-07-31T14:38:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 30th, 11:51–12:39 on the 31st.", "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 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7802 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Cali, 1908: Thursday 30 July.", "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": "1908-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-30", "confidence": "determinate" } ], "quote": "In Cali, Madhusravā Tṛtīyā (Hariyali Teej) 1908 falls on Thursday 30 July. Tṛtīyā runs from 07:15 on Thu 30 Jul to 09:41 on Fri 31 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/vinayaka-chaturthi?on=1908-07-31", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-07-31", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 392, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-07-31T09:42:13-04:56", "utc": "1908-07-31T14:38:13Z", "ms": -1938244906789.6824 }, "end": { "local": "1908-08-01T11:58:44-04:56", "utc": "1908-08-01T16:54:44Z", "ms": -1938150315926.865 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1908-07-31T09:42:13-04:56", "utc": "1908-07-31T14:38:13Z", "ms": -1938244906789.6824 }, "end": { "local": "1908-08-01T11:58:44-04:56", "utc": "1908-08-01T16:54:44Z", "ms": -1938150315926.865 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-07-31", "window": { "start": { "local": "1908-07-31T11:52:15-04:56", "utc": "1908-07-31T16:48:15Z", "ms": -1938237105136.3484 }, "end": { "local": "1908-07-31T12:40:15-04:56", "utc": "1908-07-31T17:36:15Z", "ms": -1938234225136.3484 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-08-01", "window": { "start": { "local": "1908-08-01T11:52:12-04:56", "utc": "1908-08-01T16:48:12Z", "ms": -1938150708344.1904 }, "end": { "local": "1908-08-01T12:40:12-04:56", "utc": "1908-08-01T17:36:12Z", "ms": -1938147828344.1904 } }, "covered_min": 7, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:41 on Fri 31 Jul to 11:58 on Sat 1 Aug.", "fact": "1908-07-31T14:38:13Z → 1908-08-01T16:54:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 31st, 11:51–12:39 on the 1st.", "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 31st and 7 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 392 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cali, 1908: Friday 31 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-07-31", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-07-31", "confidence": "boundary" } ], "quote": "In Cali, Vināyaka Caturthī 1908 falls on Friday 31 July. Caturthī runs from 09:41 on Fri 31 Jul to 11:58 on Sat 1 Aug and covers all of madhyāhna that midday. It also reaches the next midday for 7 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/cali/festivals/1908/vinayaka-chaturthi?on=1908-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 392, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1908-08-01T11:58:44-04:56", "utc": "1908-08-01T16:54:44Z", "ms": -1938150315926.865 }, "end": { "local": "1908-08-02T13:57:33-04:56", "utc": "1908-08-02T18:53:33Z", "ms": -1938056786594.7798 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1908-08-01T11:58:44-04:56", "utc": "1908-08-01T16:54:44Z", "ms": -1938150315926.865 }, "end": { "local": "1908-08-02T13:57:33-04:56", "utc": "1908-08-02T18:53:33Z", "ms": -1938056786594.7798 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-08-01", "window": { "start": { "local": "1908-08-01T11:52:12-04:56", "utc": "1908-08-01T16:48:12Z", "ms": -1938150708344.1904 }, "end": { "local": "1908-08-01T12:40:12-04:56", "utc": "1908-08-01T17:36:12Z", "ms": -1938147828344.1904 } }, "covered_min": 41, "window_min": 48, "qualifies": true }, { "local_date": "1908-08-02", "window": { "start": { "local": "1908-08-02T11:52:08-04:56", "utc": "1908-08-02T16:48:08Z", "ms": -1938064312170.5176 }, "end": { "local": "1908-08-02T12:40:08-04:56", "utc": "1908-08-02T17:36:08Z", "ms": -1938061432170.5176 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:58 on Sat 1 Aug to 13:57 on Sun 2 Aug.", "fact": "1908-08-01T16:54:44Z → 1908-08-02T18:53:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 1st, 11:51–12:39 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 41 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "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 392 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Cali, 1908: Sunday 2 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": "1908-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-02", "confidence": "determinate" } ], "quote": "In Cali, Nāga Pañcamī 1908 falls on Sunday 2 August. Pañcamī runs from 11:58 on Sat 1 Aug to 13:57 on Sun 2 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 41 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-08-08", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25483, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-08-07T15:09:37-04:56", "utc": "1908-08-07T20:05:37Z", "ms": -1937620463471.0244 }, "end": { "local": "1908-08-08T13:13:02-04:56", "utc": "1908-08-08T18:09:02Z", "ms": -1937541057558.0544 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1908-08-07T15:09:37-04:56", "utc": "1908-08-07T20:05:37Z", "ms": -1937620463471.0244 }, "end": { "local": "1908-08-08T13:13:02-04:56", "utc": "1908-08-08T18:09:02Z", "ms": -1937541057558.0544 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-08-07", "window": { "start": { "local": "1908-08-07T06:08:23-04:56", "utc": "1908-08-07T11:04:23Z", "ms": -1937652937422.368 }, "end": { "local": "1908-08-07T06:08:23-04:56", "utc": "1908-08-07T11:04:23Z", "ms": -1937652937422.368 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-08-08", "window": { "start": { "local": "1908-08-08T06:08:20-04:56", "utc": "1908-08-08T11:04:20Z", "ms": -1937566540096.355 }, "end": { "local": "1908-08-08T06:08:20-04:56", "utc": "1908-08-08T11:04:20Z", "ms": -1937566540096.355 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:09 on Fri 7 Aug to 13:12 on Sat 8 Aug.", "fact": "1908-08-07T20:05:37Z → 1908-08-08T18:09:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 7th and 06:07 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is 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 25483 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Cali, 1908: Saturday 8 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": "1908-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-08", "confidence": "determinate" } ], "quote": "In Cali, Putradā Ekādaśī 1908 falls on Saturday 8 August. Ekādaśī runs from 15:09 on Fri 7 Aug to 13:12 on Sat 8 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2011, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1908-08-08T13:13:02-04:56", "utc": "1908-08-08T18:09:02Z", "ms": -1937541057558.0544 }, "end": { "local": "1908-08-09T10:36:30-04:56", "utc": "1908-08-09T15:32:30Z", "ms": -1937464049764.2 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1908-08-08T13:13:02-04:56", "utc": "1908-08-08T18:09:02Z", "ms": -1937541057558.0544 }, "end": { "local": "1908-08-09T10:36:30-04:56", "utc": "1908-08-09T15:32:30Z", "ms": -1937464049764.2 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-08-08", "window": { "start": { "local": "1908-08-08T11:51:32-04:56", "utc": "1908-08-08T16:47:32Z", "ms": -1937545948092.419 }, "end": { "local": "1908-08-08T12:39:32-04:56", "utc": "1908-08-08T17:35:32Z", "ms": -1937543068092.419 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-08-09", "window": { "start": { "local": "1908-08-09T11:51:24-04:56", "utc": "1908-08-09T16:47:24Z", "ms": -1937459556206.795 }, "end": { "local": "1908-08-09T12:39:24-04:56", "utc": "1908-08-09T17:35:24Z", "ms": -1937456676206.795 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:12 on Sat 8 Aug to 10:36 on Sun 9 Aug.", "fact": "1908-08-08T18:09:02Z → 1908-08-09T15:32:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 8th, 11:50–12:38 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 2011 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Cali, 1908: Sunday 9 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": "1908-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-08", "confidence": "determinate" } ], "quote": "In Cali, Dāmodara Dvādaśī 1908 falls on Sunday 9 August. Dvādaśī runs from 13:12 on Sat 8 Aug to 10:36 on Sun 9 Aug, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/pradosha-vrata?on=1908-08-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27961, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-08-09T10:36:30-04:56", "utc": "1908-08-09T15:32:30Z", "ms": -1937464049764.2 }, "end": { "local": "1908-08-10T07:26:44-04:56", "utc": "1908-08-10T12:22:44Z", "ms": -1937389036049.0352 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1908-08-09T10:36:30-04:56", "utc": "1908-08-09T15:32:30Z", "ms": -1937464049764.2 }, "end": { "local": "1908-08-10T07:26:44-04:56", "utc": "1908-08-10T12:22:44Z", "ms": -1937389036049.0352 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-08-09", "window": { "start": { "local": "1908-08-09T18:22:31-04:56", "utc": "1908-08-09T23:18:31Z", "ms": -1937436089095.94 }, "end": { "local": "1908-08-09T19:56:37-04:56", "utc": "1908-08-10T00:52:37Z", "ms": -1937430443493.7266 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1908-08-10", "window": { "start": { "local": "1908-08-10T18:22:17-04:56", "utc": "1908-08-10T23:18:17Z", "ms": -1937349702740.4421 }, "end": { "local": "1908-08-10T19:56:24-04:56", "utc": "1908-08-11T00:52:24Z", "ms": -1937344055891.4155 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:36 on Sun 9 Aug to 07:26 on Mon 10 Aug.", "fact": "1908-08-09T15:32:30Z → 1908-08-10T12:22:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–19:56 on the 9th, 18:21–19:55 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 94 of 94 minutes on the 9th and 0 of 94 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 27961 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cali, 1908: Sunday 9 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-09", "confidence": "determinate" } ], "quote": "In Cali, Śukla Pradoṣa Vrata 1908 falls on Sunday 9 August. Trayodaśī runs from 10:36 on Sun 9 Aug to 07:26 on Mon 10 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21923, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-08-11T03:52:13-04:56", "utc": "1908-08-11T08:48:13Z", "ms": -1937315507014.5332 }, "end": { "local": "1908-08-12T00:02:40-04:56", "utc": "1908-08-12T04:58:40Z", "ms": -1937242879572.7134 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1908-08-11T13:58:41-04:56", "utc": "1908-08-11T18:54:41Z", "ms": -1937279119127.1243 }, "end": { "local": "1908-08-12T00:02:40-04:56", "utc": "1908-08-12T04:58:40Z", "ms": -1937242879572.7134 } }, "kaala": "day", "days": [ { "local_date": "1908-08-11", "window": { "start": { "local": "1908-08-11T06:08:09-04:56", "utc": "1908-08-11T11:04:09Z", "ms": -1937307351372.7427 }, "end": { "local": "1908-08-12T06:08:04-04:56", "utc": "1908-08-12T11:04:04Z", "ms": -1937220956187.6248 } }, "covered_min": 604, "window_min": 1440, "qualifies": true }, { "local_date": "1908-08-12", "window": { "start": { "local": "1908-08-12T06:08:04-04:56", "utc": "1908-08-12T11:04:04Z", "ms": -1937220956187.6248 }, "end": { "local": "1908-08-13T06:07:58-04:56", "utc": "1908-08-13T11:03:58Z", "ms": -1937134561512.615 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:51 on Tue 11 Aug to 00:02 on Wed 12 Aug. Its second half begins at 13:58 on Tue 11 Aug.", "fact": "1908-08-11T08:48:13Z → 1908-08-12T04:58:40Z · second half from 1908-08-11T18:54:41Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:07 on the 11th, and from 06:07 on the 12th.", "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 604 of 1440 minutes on the 11th and 0 of 1440 on the 12th.", "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 21923 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Cali, 1908: Tuesday 11 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": "1908-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-11", "confidence": "determinate" } ], "quote": "In Cali, Rakṣā Bandhana (Rakhi) 1908 falls on Tuesday 11 August. The second half of Pūrṇimā runs from 13:58 on Tue 11 Aug to 00:02 on Wed 12 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28733, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-08-11T03:52:13-04:56", "utc": "1908-08-11T08:48:13Z", "ms": -1937315507014.5332 }, "end": { "local": "1908-08-12T00:02:40-04:56", "utc": "1908-08-12T04:58:40Z", "ms": -1937242879572.7134 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1908-08-11T03:52:13-04:56", "utc": "1908-08-11T08:48:13Z", "ms": -1937315507014.5332 }, "end": { "local": "1908-08-12T00:02:40-04:56", "utc": "1908-08-12T04:58:40Z", "ms": -1937242879572.7134 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-08-11", "window": { "start": { "local": "1908-08-11T11:51:06-04:56", "utc": "1908-08-11T16:47:06Z", "ms": -1937286774190.7651 }, "end": { "local": "1908-08-11T12:39:06-04:56", "utc": "1908-08-11T17:35:06Z", "ms": -1937283894190.7651 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-08-12", "window": { "start": { "local": "1908-08-12T11:50:56-04:56", "utc": "1908-08-12T16:46:56Z", "ms": -1937200384037.1064 }, "end": { "local": "1908-08-12T12:38:56-04:56", "utc": "1908-08-12T17:34:56Z", "ms": -1937197504037.1064 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:51 on Tue 11 Aug to 00:02 on Wed 12 Aug.", "fact": "1908-08-11T08:48:13Z → 1908-08-12T04:58:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 11th, 11:50–12:38 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28733 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Cali, 1908: Tuesday 11 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": "1908-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-11", "confidence": "determinate" } ], "quote": "In Cali, Ṛṣi Tarpaṇa 1908 falls on Tuesday 11 August. Pūrṇimā runs from 03:51 on Tue 11 Aug to 00:02 on Wed 12 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-12", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3441, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1908-08-12T20:08:35-04:56", "utc": "1908-08-13T01:04:35Z", "ms": -1937170524886.1213 }, "end": { "local": "1908-08-13T16:20:47-04:56", "utc": "1908-08-13T21:16:47Z", "ms": -1937097793492.0698 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-12T20:08:35-04:56", "utc": "1908-08-13T01:04:35Z", "ms": -1937170524886.1213 }, "end": { "local": "1908-08-13T16:20:47-04:56", "utc": "1908-08-13T21:16:47Z", "ms": -1937097793492.0698 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-08-12", "window": { "start": { "local": "1908-08-12T19:11:14-04:56", "utc": "1908-08-13T00:07:14Z", "ms": -1937173965592.889 }, "end": { "local": "1908-08-12T19:11:14-04:56", "utc": "1908-08-13T00:07:14Z", "ms": -1937173965592.889 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-08-13", "window": { "start": { "local": "1908-08-13T20:06:16-04:56", "utc": "1908-08-14T01:02:16Z", "ms": -1937084263763.8518 }, "end": { "local": "1908-08-13T20:06:16-04:56", "utc": "1908-08-14T01:02:16Z", "ms": -1937084263763.8518 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 20:08 on Wed 12 Aug to 16:20 on Thu 13 Aug.", "fact": "1908-08-13T01:04:35Z → 1908-08-13T21:16:47Z" }, { "step": "kaala", "text": "Moonrise is at 19:10 on the 12th and 20:05 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 12th and is not on the 13th.", "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: paraviddha → tithi-day · margin 3441 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Cali, 1908: Wednesday 12 August.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1908-08-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-12", "confidence": "boundary" } ], "quote": "In Cali, Aśūnya Śayana Vrata 1908 falls on Wednesday 12 August. Dvitīyā runs from 20:08 on Wed 12 Aug to 16:20 on Thu 13 Aug, and is current at moonrise on neither day.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 685, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1908-08-13T16:20:47-04:56", "utc": "1908-08-13T21:16:47Z", "ms": -1937097793492.0698 }, "end": { "local": "1908-08-14T12:49:59-04:56", "utc": "1908-08-14T17:45:59Z", "ms": -1937024040546.3071 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-13T16:20:47-04:56", "utc": "1908-08-13T21:16:47Z", "ms": -1937097793492.0698 }, "end": { "local": "1908-08-14T12:49:59-04:56", "utc": "1908-08-14T17:45:59Z", "ms": -1937024040546.3071 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-08-13", "window": { "start": { "local": "1908-08-13T11:50:46-04:56", "utc": "1908-08-13T16:46:46Z", "ms": -1937113994435.6816 }, "end": { "local": "1908-08-13T12:38:46-04:56", "utc": "1908-08-13T17:34:46Z", "ms": -1937111114435.6816 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-08-14", "window": { "start": { "local": "1908-08-14T11:50:35-04:56", "utc": "1908-08-14T16:46:35Z", "ms": -1937027605372.8848 }, "end": { "local": "1908-08-14T12:38:35-04:56", "utc": "1908-08-14T17:34:35Z", "ms": -1937024725372.8848 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:20 on Thu 13 Aug to 12:49 on Fri 14 Aug.", "fact": "1908-08-13T21:16:47Z → 1908-08-14T17:45:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 13th, 11:50–12:38 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 685 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Cali, 1908: Friday 14 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-14", "confidence": "determinate" } ], "quote": "In Cali, Kajjalī Tṛtīyā (Kajari Teej) 1908 falls on Friday 14 August. Tṛtīyā runs from 16:20 on Thu 13 Aug to 12:49 on Fri 14 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11076, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-08-14T12:49:59-04:56", "utc": "1908-08-14T17:45:59Z", "ms": -1937024040546.3071 }, "end": { "local": "1908-08-15T09:46:25-04:56", "utc": "1908-08-15T14:42:25Z", "ms": -1936948654895.3264 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-14T12:49:59-04:56", "utc": "1908-08-14T17:45:59Z", "ms": -1937024040546.3071 }, "end": { "local": "1908-08-15T09:46:25-04:56", "utc": "1908-08-15T14:42:25Z", "ms": -1936948654895.3264 } }, "kaala": "sayahna", "days": [ { "local_date": "1908-08-14", "window": { "start": { "local": "1908-08-14T15:54:36-04:56", "utc": "1908-08-14T20:50:36Z", "ms": -1937012964195.1575 }, "end": { "local": "1908-08-14T18:21:17-04:56", "utc": "1908-08-14T23:17:17Z", "ms": -1937004163410.0059 } }, "covered_min": 147, "window_min": 147, "qualifies": true }, { "local_date": "1908-08-15", "window": { "start": { "local": "1908-08-15T15:54:21-04:56", "utc": "1908-08-15T20:50:21Z", "ms": -1936926578749.3474 }, "end": { "local": "1908-08-15T18:21:00-04:56", "utc": "1908-08-15T23:17:00Z", "ms": -1936917780025.4014 } }, "covered_min": 0, "window_min": 147, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:49 on Fri 14 Aug to 09:45 on Sat 15 Aug.", "fact": "1908-08-14T17:45:59Z → 1908-08-15T14:42:25Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:54–18:20 on the 14th, 15:53–18:20 on the 15th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 147 of 147 minutes on the 14th and 0 of 147 on the 15th.", "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 11076 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Cali, 1908: Friday 14 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-14", "confidence": "determinate" } ], "quote": "In Cali, Bahulā Caturthī 1908 falls on Friday 14 August. Caturthī runs from 12:49 on Fri 14 Aug to 09:45 on Sat 15 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/sankashta-chaturthi?on=1908-08-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29281, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-08-14T12:49:59-04:56", "utc": "1908-08-14T17:45:59Z", "ms": -1937024040546.3071 }, "end": { "local": "1908-08-15T09:46:25-04:56", "utc": "1908-08-15T14:42:25Z", "ms": -1936948654895.3264 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-14T12:49:59-04:56", "utc": "1908-08-14T17:45:59Z", "ms": -1937024040546.3071 }, "end": { "local": "1908-08-15T09:46:25-04:56", "utc": "1908-08-15T14:42:25Z", "ms": -1936948654895.3264 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-08-14", "window": { "start": { "local": "1908-08-14T20:58:01-04:56", "utc": "1908-08-15T01:54:01Z", "ms": -1936994759149.6052 }, "end": { "local": "1908-08-14T20:58:01-04:56", "utc": "1908-08-15T01:54:01Z", "ms": -1936994759149.6052 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-08-15", "window": { "start": { "local": "1908-08-15T21:47:23-04:56", "utc": "1908-08-16T02:43:23Z", "ms": -1936905396677.5813 }, "end": { "local": "1908-08-15T21:47:23-04:56", "utc": "1908-08-16T02:43:23Z", "ms": -1936905396677.5813 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:49 on Fri 14 Aug to 09:45 on Sat 15 Aug.", "fact": "1908-08-14T17:45:59Z → 1908-08-15T14:42:25Z" }, { "step": "kaala", "text": "Moonrise is at 20:57 on the 14th and 21:46 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 14th and is not on the 15th.", "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 29281 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cali, 1908: Friday 14 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": "1908-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-14", "confidence": "determinate" } ], "quote": "In Cali, Saṅkaṣṭa Caturthī 1908 falls on Friday 14 August. Caturthī runs from 12:49 on Fri 14 Aug to 09:45 on Sat 15 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/sankashta-chaturthi?on=1908-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16266, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1908-08-16T07:19:05-04:56", "utc": "1908-08-16T12:15:05Z", "ms": -1936871095062.3289 }, "end": { "local": "1908-08-17T05:35:07-04:56", "utc": "1908-08-17T10:31:07Z", "ms": -1936790932796.5269 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-16T07:19:05-04:56", "utc": "1908-08-16T12:15:05Z", "ms": -1936871095062.3289 }, "end": { "local": "1908-08-17T05:35:07-04:56", "utc": "1908-08-17T10:31:07Z", "ms": -1936790932796.5269 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-08-16", "window": { "start": { "local": "1908-08-16T11:50:11-04:56", "utc": "1908-08-16T16:46:11Z", "ms": -1936854828809.915 }, "end": { "local": "1908-08-16T12:38:11-04:56", "utc": "1908-08-16T17:34:11Z", "ms": -1936851948809.915 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-08-17", "window": { "start": { "local": "1908-08-17T11:49:59-04:56", "utc": "1908-08-17T16:45:59Z", "ms": -1936768441284.6367 }, "end": { "local": "1908-08-17T12:37:59-04:56", "utc": "1908-08-17T17:33:59Z", "ms": -1936765561284.6367 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:18 on Sun 16 Aug to 05:34 on Mon 17 Aug.", "fact": "1908-08-16T12:15:05Z → 1908-08-17T10:31:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 16th, 11:49–12:37 on the 17th.", "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 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 16266 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Cali, 1908: Sunday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-16", "confidence": "determinate" } ], "quote": "In Cali, Hala Ṣaṣṭhī 1908 falls on Sunday 16 August. Ṣaṣṭhī runs from 07:18 on Sun 16 Aug to 05:34 on Mon 17 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22492, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1908-08-17T05:35:07-04:56", "utc": "1908-08-17T10:31:07Z", "ms": -1936790932796.5269 }, "end": { "local": "1908-08-18T04:39:00-04:56", "utc": "1908-08-18T09:35:00Z", "ms": -1936707900249.7808 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-17T05:35:07-04:56", "utc": "1908-08-17T10:31:07Z", "ms": -1936790932796.5269 }, "end": { "local": "1908-08-18T04:39:00-04:56", "utc": "1908-08-18T09:35:00Z", "ms": -1936707900249.7808 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-08-17", "window": { "start": { "local": "1908-08-17T11:49:59-04:56", "utc": "1908-08-17T16:45:59Z", "ms": -1936768441284.6367 }, "end": { "local": "1908-08-17T12:37:59-04:56", "utc": "1908-08-17T17:33:59Z", "ms": -1936765561284.6367 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-08-18", "window": { "start": { "local": "1908-08-18T11:49:46-04:56", "utc": "1908-08-18T16:45:46Z", "ms": -1936682054247.9385 }, "end": { "local": "1908-08-18T12:37:46-04:56", "utc": "1908-08-18T17:33:46Z", "ms": -1936679174247.9385 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:34 on Mon 17 Aug to 04:38 on Tue 18 Aug.", "fact": "1908-08-17T10:31:07Z → 1908-08-18T09:35:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 17th, 11:49–12:37 on the 18th.", "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 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 22492 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Cali, 1908: Monday 17 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-17", "confidence": "determinate" } ], "quote": "In Cali, Śītalā Saptamī 1908 falls on Monday 17 August. Saptamī runs from 05:34 on Mon 17 Aug to 04:38 on Tue 18 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14048, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1908-08-18T04:39:00-04:56", "utc": "1908-08-18T09:35:00Z", "ms": -1936707900249.7808 }, "end": { "local": "1908-08-19T04:31:49-04:56", "utc": "1908-08-19T09:27:49Z", "ms": -1936621930777.2197 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-18T04:39:00-04:56", "utc": "1908-08-18T09:35:00Z", "ms": -1936707900249.7808 }, "end": { "local": "1908-08-19T04:31:49-04:56", "utc": "1908-08-19T09:27:49Z", "ms": -1936621930777.2197 } }, "kaala": "nishita", "days": [ { "local_date": "1908-08-17", "window": { "start": { "local": "1908-08-17T23:49:55-04:56", "utc": "1908-08-18T04:45:55Z", "ms": -1936725245135.6738 }, "end": { "local": "1908-08-18T00:37:55-04:56", "utc": "1908-08-18T05:33:55Z", "ms": -1936722365135.6738 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-08-18", "window": { "start": { "local": "1908-08-18T23:49:42-04:56", "utc": "1908-08-19T04:45:42Z", "ms": -1936638858321.25 }, "end": { "local": "1908-08-19T00:37:42-04:56", "utc": "1908-08-19T05:33:42Z", "ms": -1936635978321.25 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:38 on Tue 18 Aug to 04:31 on Wed 19 Aug.", "fact": "1908-08-18T09:35:00Z → 1908-08-19T09:27:49Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 17th, 23:49–00:37 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14048 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Cali, 1908: Tuesday 18 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-18", "confidence": "determinate" } ], "quote": "In Cali, Janmāṣṭamī 1908 falls on Tuesday 18 August. Aṣṭamī runs from 04:38 on Tue 18 Aug to 04:31 on Wed 19 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-08-22", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1418, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-08-21T06:30:37-04:56", "utc": "1908-08-21T11:26:37Z", "ms": -1936442003110.1252 }, "end": { "local": "1908-08-22T08:22:05-04:56", "utc": "1908-08-22T13:18:05Z", "ms": -1936348914960.599 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-21T06:30:37-04:56", "utc": "1908-08-21T11:26:37Z", "ms": -1936442003110.1252 }, "end": { "local": "1908-08-22T08:22:05-04:56", "utc": "1908-08-22T13:18:05Z", "ms": -1936348914960.599 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-08-21", "window": { "start": { "local": "1908-08-21T06:06:59-04:56", "utc": "1908-08-21T11:02:59Z", "ms": -1936443421117.0183 }, "end": { "local": "1908-08-21T06:06:59-04:56", "utc": "1908-08-21T11:02:59Z", "ms": -1936443421117.0183 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-08-22", "window": { "start": { "local": "1908-08-22T06:06:49-04:56", "utc": "1908-08-22T11:02:49Z", "ms": -1936357030543.7244 }, "end": { "local": "1908-08-22T06:06:49-04:56", "utc": "1908-08-22T11:02:49Z", "ms": -1936357030543.7244 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:30 on Fri 21 Aug to 08:21 on Sat 22 Aug.", "fact": "1908-08-21T11:26:37Z → 1908-08-22T13:18:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:06 on the 21st and 06:06 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1418 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Cali, 1908: Saturday 22 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": "1908-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-22", "confidence": "determinate" } ], "quote": "In Cali, Ajā Ekādaśī 1908 falls on Saturday 22 August. Ekādaśī runs from 06:30 on Fri 21 Aug to 08:21 on Sat 22 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-08-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-08-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18953, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-08-23T10:35:46-04:56", "utc": "1908-08-23T15:31:46Z", "ms": -1936254493992.2485 }, "end": { "local": "1908-08-24T13:02:15-04:56", "utc": "1908-08-24T17:58:15Z", "ms": -1936159305447.3027 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-23T10:35:46-04:56", "utc": "1908-08-23T15:31:46Z", "ms": -1936254493992.2485 }, "end": { "local": "1908-08-24T13:02:15-04:56", "utc": "1908-08-24T17:58:15Z", "ms": -1936159305447.3027 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-08-23", "window": { "start": { "local": "1908-08-23T18:18:28-04:56", "utc": "1908-08-23T23:14:28Z", "ms": -1936226731658.444 }, "end": { "local": "1908-08-23T19:52:52-04:56", "utc": "1908-08-24T00:48:52Z", "ms": -1936221067519.3171 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1908-08-24", "window": { "start": { "local": "1908-08-24T18:18:07-04:56", "utc": "1908-08-24T23:14:07Z", "ms": -1936140352766.2214 }, "end": { "local": "1908-08-24T19:52:33-04:56", "utc": "1908-08-25T00:48:33Z", "ms": -1936134687229.5437 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:35 on Sun 23 Aug to 13:01 on Mon 24 Aug.", "fact": "1908-08-23T15:31:46Z → 1908-08-24T17:58:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:52 on the 23rd, 18:17–19:52 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 94 of 94 minutes on the 23rd and 0 of 94 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18953 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cali, 1908: Sunday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-23", "confidence": "determinate" } ], "quote": "In Cali, Kṛṣṇa Pradoṣa Vrata 1908 falls on Sunday 23 August. Trayodaśī runs from 10:35 on Sun 23 Aug to 13:01 on Mon 24 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-08-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9864, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-08-24T13:02:15-04:56", "utc": "1908-08-24T17:58:15Z", "ms": -1936159305447.3027 }, "end": { "local": "1908-08-25T15:33:21-04:56", "utc": "1908-08-25T20:29:21Z", "ms": -1936063838770.9978 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-24T13:02:15-04:56", "utc": "1908-08-24T17:58:15Z", "ms": -1936159305447.3027 }, "end": { "local": "1908-08-25T15:33:21-04:56", "utc": "1908-08-25T20:29:21Z", "ms": -1936063838770.9978 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-08-24", "window": { "start": { "local": "1908-08-24T18:18:07-04:56", "utc": "1908-08-24T23:14:07Z", "ms": -1936140352766.2214 }, "end": { "local": "1908-08-24T19:52:33-04:56", "utc": "1908-08-25T00:48:33Z", "ms": -1936134687229.5437 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1908-08-25", "window": { "start": { "local": "1908-08-25T18:17:46-04:56", "utc": "1908-08-25T23:13:46Z", "ms": -1936053974311.8196 }, "end": { "local": "1908-08-25T19:52:13-04:56", "utc": "1908-08-26T00:48:13Z", "ms": -1936048307370.004 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:01 on Mon 24 Aug to 15:32 on Tue 25 Aug.", "fact": "1908-08-24T17:58:15Z → 1908-08-25T20:29:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:52 on the 24th, 18:17–19:51 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 94 of 94 minutes on the 24th and 0 of 94 on the 25th.", "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 9864 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Cali, 1908: Monday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-24", "confidence": "determinate" } ], "quote": "In Cali, Aghora Caturdaśī 1908 falls on Monday 24 August. Caturdaśī runs from 13:01 on Mon 24 Aug to 15:32 on Tue 25 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/shivaratri?on=1908-08-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29675, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-08-24T13:02:15-04:56", "utc": "1908-08-24T17:58:15Z", "ms": -1936159305447.3027 }, "end": { "local": "1908-08-25T15:33:21-04:56", "utc": "1908-08-25T20:29:21Z", "ms": -1936063838770.9978 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-24T13:02:15-04:56", "utc": "1908-08-24T17:58:15Z", "ms": -1936159305447.3027 }, "end": { "local": "1908-08-25T15:33:21-04:56", "utc": "1908-08-25T20:29:21Z", "ms": -1936063838770.9978 } }, "kaala": "nishita", "days": [ { "local_date": "1908-08-24", "window": { "start": { "local": "1908-08-24T23:48:13-04:56", "utc": "1908-08-25T04:44:13Z", "ms": -1936120547003.68 }, "end": { "local": "1908-08-25T00:36:13-04:56", "utc": "1908-08-25T05:32:13Z", "ms": -1936117667003.68 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-08-25", "window": { "start": { "local": "1908-08-25T23:47:57-04:56", "utc": "1908-08-26T04:43:57Z", "ms": -1936034163280.0107 }, "end": { "local": "1908-08-26T00:35:57-04:56", "utc": "1908-08-26T05:31:57Z", "ms": -1936031283280.0107 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:01 on Mon 24 Aug to 15:32 on Tue 25 Aug.", "fact": "1908-08-24T17:58:15Z → 1908-08-25T20:29:21Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 24th, 23:47–00:35 on the 25th.", "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 24th and 0 of 48 on the 25th.", "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 29675 s" }, { "step": "ruling", "text": "Śivarātri, Cali, 1908: Monday 24 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": "1908-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-24", "confidence": "determinate" } ], "quote": "In Cali, Śivarātri 1908 falls on Monday 24 August. Caturdaśī runs from 13:01 on Mon 24 Aug to 15:32 on Tue 25 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/shivaratri?on=1908-08-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19611, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1908-08-26T18:02:36-04:56", "utc": "1908-08-26T22:58:36Z", "ms": -1935968483703.0422 }, "end": { "local": "1908-08-27T20:24:57-04:56", "utc": "1908-08-28T01:20:57Z", "ms": -1935873542716.482 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-26T18:02:36-04:56", "utc": "1908-08-26T22:58:36Z", "ms": -1935968483703.0422 }, "end": { "local": "1908-08-27T20:24:57-04:56", "utc": "1908-08-28T01:20:57Z", "ms": -1935873542716.482 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-08-26", "window": { "start": { "local": "1908-08-26T11:47:46-04:56", "utc": "1908-08-26T16:43:46Z", "ms": -1935990974265.3528 }, "end": { "local": "1908-08-26T12:35:46-04:56", "utc": "1908-08-26T17:31:46Z", "ms": -1935988094265.3528 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-08-27", "window": { "start": { "local": "1908-08-27T11:47:29-04:56", "utc": "1908-08-27T16:43:29Z", "ms": -1935904591145.6858 }, "end": { "local": "1908-08-27T12:35:29-04:56", "utc": "1908-08-27T17:31:29Z", "ms": -1935901711145.6858 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:02 on Wed 26 Aug to 20:24 on Thu 27 Aug.", "fact": "1908-08-26T22:58:36Z → 1908-08-28T01:20:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 26th, 11:46–12:34 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā 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 19611 s" }, { "step": "ruling", "text": "Rudra Vrata, Cali, 1908: Thursday 27 August.", "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": "1908-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-27", "confidence": "determinate" } ], "quote": "In Cali, Rudra Vrata 1908 falls on Thursday 27 August. Pratipadā runs from 18:02 on Wed 26 Aug to 20:24 on Thu 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36061, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1908-08-28T22:36:12-04:56", "utc": "1908-08-29T03:32:12Z", "ms": -1935779267554.157 }, "end": { "local": "1908-08-30T00:32:17-04:56", "utc": "1908-08-30T05:28:17Z", "ms": -1935685902852.8901 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-28T22:36:12-04:56", "utc": "1908-08-29T03:32:12Z", "ms": -1935779267554.157 }, "end": { "local": "1908-08-30T00:32:17-04:56", "utc": "1908-08-30T05:28:17Z", "ms": -1935685902852.8901 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-08-28", "window": { "start": { "local": "1908-08-28T11:47:12-04:56", "utc": "1908-08-28T16:43:12Z", "ms": -1935818208405.5278 }, "end": { "local": "1908-08-28T12:35:12-04:56", "utc": "1908-08-28T17:31:12Z", "ms": -1935815328405.5278 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-08-29", "window": { "start": { "local": "1908-08-29T11:46:54-04:56", "utc": "1908-08-29T16:42:54Z", "ms": -1935731826032.4658 }, "end": { "local": "1908-08-29T12:34:54-04:56", "utc": "1908-08-29T17:30:54Z", "ms": -1935728946032.4658 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:35 on Fri 28 Aug to 00:31 on Sun 30 Aug.", "fact": "1908-08-29T03:32:12Z → 1908-08-30T05:28:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 28th, 11:46–12:34 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36061 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Cali, 1908: Saturday 29 August.", "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": "1908-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-29", "confidence": "determinate" } ], "quote": "In Cali, Haritālikā Vrata (Hartalika Teej) 1908 falls on Saturday 29 August. Tṛtīyā runs from 22:35 on Fri 28 Aug to 00:31 on Sun 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34658, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-08-30T00:32:17-04:56", "utc": "1908-08-30T05:28:17Z", "ms": -1935685902852.8901 }, "end": { "local": "1908-08-31T02:08:40-04:56", "utc": "1908-08-31T07:04:40Z", "ms": -1935593720293.211 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-30T00:32:17-04:56", "utc": "1908-08-30T05:28:17Z", "ms": -1935685902852.8901 }, "end": { "local": "1908-08-31T02:08:40-04:56", "utc": "1908-08-31T07:04:40Z", "ms": -1935593720293.211 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-08-30", "window": { "start": { "local": "1908-08-30T11:46:36-04:56", "utc": "1908-08-30T16:42:36Z", "ms": -1935645444013.5613 }, "end": { "local": "1908-08-30T12:34:36-04:56", "utc": "1908-08-30T17:30:36Z", "ms": -1935642564013.5613 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-08-31", "window": { "start": { "local": "1908-08-31T11:46:18-04:56", "utc": "1908-08-31T16:42:18Z", "ms": -1935559062335.2974 }, "end": { "local": "1908-08-31T12:34:18-04:56", "utc": "1908-08-31T17:30:18Z", "ms": -1935556182335.2974 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:31 on Sun 30 Aug to 02:08 on Mon 31 Aug.", "fact": "1908-08-30T05:28:17Z → 1908-08-31T07:04:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 30th, 11:45–12:33 on the 31st.", "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 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34658 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Cali, 1908: Sunday 30 August.", "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": "1908-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-30", "confidence": "determinate" } ], "quote": "In Cali, Gaṇeśa Caturthī 1908 falls on Sunday 30 August. Caturthī runs from 00:31 on Sun 30 Aug to 02:08 on Mon 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30350, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1908-08-31T02:08:40-04:56", "utc": "1908-08-31T07:04:40Z", "ms": -1935593720293.211 }, "end": { "local": "1908-09-01T03:20:09-04:56", "utc": "1908-09-01T08:16:09Z", "ms": -1935503030575.95 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-08-31T02:08:40-04:56", "utc": "1908-08-31T07:04:40Z", "ms": -1935593720293.211 }, "end": { "local": "1908-09-01T03:20:09-04:56", "utc": "1908-09-01T08:16:09Z", "ms": -1935503030575.95 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-08-31", "window": { "start": { "local": "1908-08-31T11:46:18-04:56", "utc": "1908-08-31T16:42:18Z", "ms": -1935559062335.2974 }, "end": { "local": "1908-08-31T12:34:18-04:56", "utc": "1908-08-31T17:30:18Z", "ms": -1935556182335.2974 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-09-01", "window": { "start": { "local": "1908-09-01T11:45:59-04:56", "utc": "1908-09-01T16:41:59Z", "ms": -1935472680983.5205 }, "end": { "local": "1908-09-01T12:33:59-04:56", "utc": "1908-09-01T17:29:59Z", "ms": -1935469800983.5205 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:08 on Mon 31 Aug to 03:19 on Tue 1 Sep.", "fact": "1908-08-31T07:04:40Z → 1908-09-01T08:16:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 31st, 11:45–12:33 on the 1st.", "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 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 30350 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Cali, 1908: Monday 31 August.", "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": "1908-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-08-31", "confidence": "determinate" } ], "quote": "In Cali, Ṛṣi Pañcamī 1908 falls on Monday 31 August. Pañcamī runs from 02:08 on Mon 31 Aug to 03:19 on Tue 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27867, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1908-09-01T03:20:09-04:56", "utc": "1908-09-01T08:16:09Z", "ms": -1935503030575.95 }, "end": { "local": "1908-09-02T04:01:13-04:56", "utc": "1908-09-02T08:57:13Z", "ms": -1935414167282.8052 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-09-01T03:20:09-04:56", "utc": "1908-09-01T08:16:09Z", "ms": -1935503030575.95 }, "end": { "local": "1908-09-02T04:01:13-04:56", "utc": "1908-09-02T08:57:13Z", "ms": -1935414167282.8052 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-09-01", "window": { "start": { "local": "1908-09-01T11:45:59-04:56", "utc": "1908-09-01T16:41:59Z", "ms": -1935472680983.5205 }, "end": { "local": "1908-09-01T12:33:59-04:56", "utc": "1908-09-01T17:29:59Z", "ms": -1935469800983.5205 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-09-02", "window": { "start": { "local": "1908-09-02T11:45:40-04:56", "utc": "1908-09-02T16:41:40Z", "ms": -1935386299943.372 }, "end": { "local": "1908-09-02T12:33:40-04:56", "utc": "1908-09-02T17:29:40Z", "ms": -1935383419943.372 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:19 on Tue 1 Sep to 04:00 on Wed 2 Sep.", "fact": "1908-09-01T08:16:09Z → 1908-09-02T08:57:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 1st, 11:45–12:33 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "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 27867 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Cali, 1908: Tuesday 1 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": "1908-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-01", "confidence": "determinate" } ], "quote": "In Cali, Sūrya Ṣaṣṭhī (Bhādrapada) 1908 falls on Tuesday 1 September. Ṣaṣṭhī runs from 03:19 on Tue 1 Sep to 04:00 on Wed 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27527, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1908-09-02T04:01:13-04:56", "utc": "1908-09-02T08:57:13Z", "ms": -1935414167282.8052 }, "end": { "local": "1908-09-03T04:06:34-04:56", "utc": "1908-09-03T09:02:34Z", "ms": -1935327445794.2842 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-09-02T04:01:13-04:56", "utc": "1908-09-02T08:57:13Z", "ms": -1935414167282.8052 }, "end": { "local": "1908-09-03T04:06:34-04:56", "utc": "1908-09-03T09:02:34Z", "ms": -1935327445794.2842 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-09-02", "window": { "start": { "local": "1908-09-02T11:45:40-04:56", "utc": "1908-09-02T16:41:40Z", "ms": -1935386299943.372 }, "end": { "local": "1908-09-02T12:33:40-04:56", "utc": "1908-09-02T17:29:40Z", "ms": -1935383419943.372 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-09-03", "window": { "start": { "local": "1908-09-03T11:45:21-04:56", "utc": "1908-09-03T16:41:21Z", "ms": -1935299919199.205 }, "end": { "local": "1908-09-03T12:33:21-04:56", "utc": "1908-09-03T17:29:21Z", "ms": -1935297039199.205 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:00 on Wed 2 Sep to 04:06 on Thu 3 Sep.", "fact": "1908-09-02T08:57:13Z → 1908-09-03T09:02:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 2nd, 11:44–12:32 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27527 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Cali, 1908: Wednesday 2 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": "1908-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-02", "confidence": "determinate" } ], "quote": "In Cali, Muktābharaṇa Vrata 1908 falls on Wednesday 2 September. Saptamī runs from 04:00 on Wed 2 Sep to 04:06 on Thu 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27527, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1908-09-03T04:06:34-04:56", "utc": "1908-09-03T09:02:34Z", "ms": -1935327445794.2842 }, "end": { "local": "1908-09-04T03:32:11-04:56", "utc": "1908-09-04T08:28:11Z", "ms": -1935243109374.2354 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-09-03T04:06:34-04:56", "utc": "1908-09-03T09:02:34Z", "ms": -1935327445794.2842 }, "end": { "local": "1908-09-04T03:32:11-04:56", "utc": "1908-09-04T08:28:11Z", "ms": -1935243109374.2354 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-09-03", "window": { "start": { "local": "1908-09-03T11:45:21-04:56", "utc": "1908-09-03T16:41:21Z", "ms": -1935299919199.205 }, "end": { "local": "1908-09-03T12:33:21-04:56", "utc": "1908-09-03T17:29:21Z", "ms": -1935297039199.205 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-09-04", "window": { "start": { "local": "1908-09-04T11:45:01-04:56", "utc": "1908-09-04T16:41:01Z", "ms": -1935213538734.4668 }, "end": { "local": "1908-09-04T12:33:01-04:56", "utc": "1908-09-04T17:29:01Z", "ms": -1935210658734.4668 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:06 on Thu 3 Sep to 03:31 on Fri 4 Sep.", "fact": "1908-09-03T09:02:34Z → 1908-09-04T08:28:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 3rd, 11:44–12:32 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27527 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Cali, 1908: Thursday 3 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": "1908-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-03", "confidence": "determinate" } ], "quote": "In Cali, Rādhāṣṭamī 1908 falls on Thursday 3 September. Aṣṭamī runs from 04:06 on Thu 3 Sep to 03:31 on Fri 4 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-09-06", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20706, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-09-06T00:18:39-04:56", "utc": "1908-09-06T05:14:39Z", "ms": -1935081921296.567 }, "end": { "local": "1908-09-06T21:43:21-04:56", "utc": "1908-09-07T02:39:21Z", "ms": -1935004839382.2576 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-09-06T00:18:39-04:56", "utc": "1908-09-06T05:14:39Z", "ms": -1935081921296.567 }, "end": { "local": "1908-09-06T21:43:21-04:56", "utc": "1908-09-07T02:39:21Z", "ms": -1935004839382.2576 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-09-06", "window": { "start": { "local": "1908-09-06T06:03:45-04:56", "utc": "1908-09-06T10:59:45Z", "ms": -1935061215224.6658 }, "end": { "local": "1908-09-06T06:03:45-04:56", "utc": "1908-09-06T10:59:45Z", "ms": -1935061215224.6658 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-09-07", "window": { "start": { "local": "1908-09-07T06:03:30-04:56", "utc": "1908-09-07T10:59:30Z", "ms": -1934974829856.8987 }, "end": { "local": "1908-09-07T06:03:30-04:56", "utc": "1908-09-07T10:59:30Z", "ms": -1934974829856.8987 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:18 on Sun 6 Sep to 21:42 on Sun 6 Sep.", "fact": "1908-09-06T05:14:39Z → 1908-09-07T02:39:21Z" }, { "step": "kaala", "text": "Sunrise is at 06:03 on the 6th and 06:03 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20706 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Cali, 1908: Sunday 6 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": "1908-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-06", "confidence": "determinate" } ], "quote": "In Cali, Parivartanī Ekādaśī 1908 falls on Sunday 6 September. Ekādaśī runs from 00:18 on Sun 6 Sep to 21:42 on Sun 6 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-09-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21833, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1908-09-06T21:43:21-04:56", "utc": "1908-09-07T02:39:21Z", "ms": -1935004839382.2576 }, "end": { "local": "1908-09-07T18:35:54-04:56", "utc": "1908-09-07T23:31:54Z", "ms": -1934929685548.3635 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-09-06T21:43:21-04:56", "utc": "1908-09-07T02:39:21Z", "ms": -1935004839382.2576 }, "end": { "local": "1908-09-07T18:35:54-04:56", "utc": "1908-09-07T23:31:54Z", "ms": -1934929685548.3635 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-09-06", "window": { "start": { "local": "1908-09-06T11:44:21-04:56", "utc": "1908-09-06T16:40:21Z", "ms": -1935040778571.686 }, "end": { "local": "1908-09-06T12:32:21-04:56", "utc": "1908-09-06T17:28:21Z", "ms": -1935037898571.686 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-09-07", "window": { "start": { "local": "1908-09-07T11:44:01-04:56", "utc": "1908-09-07T16:40:01Z", "ms": -1934954398834.7356 }, "end": { "local": "1908-09-07T12:32:01-04:56", "utc": "1908-09-07T17:28:01Z", "ms": -1934951518834.7356 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:42 on Sun 6 Sep to 18:35 on Mon 7 Sep.", "fact": "1908-09-07T02:39:21Z → 1908-09-07T23:31:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 6th, 11:43–12:31 on the 7th.", "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 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: unstated → only-day · margin 21833 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Cali, 1908: Monday 7 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": "1908-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-07", "confidence": "determinate" } ], "quote": "In Cali, Vāmana Jayantī 1908 falls on Monday 7 September. Dvādaśī runs from 21:42 on Sun 6 Sep to 18:35 on Mon 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/pradosha-vrata?on=1908-09-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1402, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-09-07T18:35:54-04:56", "utc": "1908-09-07T23:31:54Z", "ms": -1934929685548.3635 }, "end": { "local": "1908-09-08T15:04:14-04:56", "utc": "1908-09-08T20:00:14Z", "ms": -1934855986183.62 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-09-07T18:35:54-04:56", "utc": "1908-09-07T23:31:54Z", "ms": -1934929685548.3635 }, "end": { "local": "1908-09-08T15:04:14-04:56", "utc": "1908-09-08T20:00:14Z", "ms": -1934855986183.62 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-09-07", "window": { "start": { "local": "1908-09-07T18:12:32-04:56", "utc": "1908-09-07T23:08:32Z", "ms": -1934931087812.5725 }, "end": { "local": "1908-09-07T19:47:18-04:56", "utc": "1908-09-08T00:43:18Z", "ms": -1934925402062.5789 } }, "covered_min": 71, "window_min": 95, "qualifies": true }, { "local_date": "1908-09-08", "window": { "start": { "local": "1908-09-08T18:12:06-04:56", "utc": "1908-09-08T23:08:06Z", "ms": -1934844713910.8218 }, "end": { "local": "1908-09-08T19:46:53-04:56", "utc": "1908-09-09T00:42:53Z", "ms": -1934839026682.0896 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:35 on Mon 7 Sep to 15:03 on Tue 8 Sep.", "fact": "1908-09-07T23:31:54Z → 1908-09-08T20:00:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:12–19:46 on the 7th, 18:11–19:46 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 71 of 95 minutes on the 7th and 0 of 95 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1402 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cali, 1908: Monday 7 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": "1908-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-07", "confidence": "determinate" } ], "quote": "In Cali, Śukla Pradoṣa Vrata 1908 falls on Monday 7 September. Trayodaśī runs from 18:35 on Mon 7 Sep to 15:03 on Tue 8 Sep and covers 71 of 95 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10144, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-09-08T15:04:14-04:56", "utc": "1908-09-08T20:00:14Z", "ms": -1934855986183.62 }, "end": { "local": "1908-09-09T11:17:48-04:56", "utc": "1908-09-09T16:13:48Z", "ms": -1934783171970.3784 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1908-09-08T15:04:14-04:56", "utc": "1908-09-08T20:00:14Z", "ms": -1934855986183.62 }, "end": { "local": "1908-09-09T11:17:48-04:56", "utc": "1908-09-09T16:13:48Z", "ms": -1934783171970.3784 } }, "kaala": "udaya-3", "days": [ { "local_date": "1908-09-08", "window": { "start": { "local": "1908-09-08T06:03:15-04:56", "utc": "1908-09-08T10:59:15Z", "ms": -1934888444687.6206 }, "end": { "local": "1908-09-08T08:29:01-04:56", "utc": "1908-09-08T13:25:01Z", "ms": -1934879698532.2607 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "1908-09-09", "window": { "start": { "local": "1908-09-09T06:03:00-04:56", "utc": "1908-09-09T10:59:00Z", "ms": -1934802059695.3296 }, "end": { "local": "1908-09-09T08:28:44-04:56", "utc": "1908-09-09T13:24:44Z", "ms": -1934793315794.1516 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:03 on Tue 8 Sep to 11:17 on Wed 9 Sep.", "fact": "1908-09-08T20:00:14Z → 1908-09-09T16:13:48Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:02–08:28 on the 8th, 06:02–08:28 on the 9th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 146 minutes on the 8th and 146 of 146 on the 9th.", "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 10144 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Cali, 1908: Wednesday 9 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": "1908-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-09", "confidence": "determinate" } ], "quote": "In Cali, Ananta Caturdaśī 1908 falls on Wednesday 9 September. Caturdaśī runs from 15:03 on Tue 8 Sep to 11:17 on Wed 9 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/sankashta-chaturthi?on=1908-09-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-12", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3473, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-09-12T21:22:32-04:56", "utc": "1908-09-13T02:18:32Z", "ms": -1934487687827.4329 }, "end": { "local": "1908-09-13T19:05:42-04:56", "utc": "1908-09-14T00:01:42Z", "ms": -1934409497581.2654 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-09-12T21:22:32-04:56", "utc": "1908-09-13T02:18:32Z", "ms": -1934487687827.4329 }, "end": { "local": "1908-09-13T19:05:42-04:56", "utc": "1908-09-14T00:01:42Z", "ms": -1934409497581.2654 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-09-12", "window": { "start": { "local": "1908-09-12T20:24:39-04:56", "utc": "1908-09-13T01:20:39Z", "ms": -1934491160779.325 }, "end": { "local": "1908-09-12T20:24:39-04:56", "utc": "1908-09-13T01:20:39Z", "ms": -1934491160779.325 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-09-13", "window": { "start": { "local": "1908-09-13T21:14:06-04:56", "utc": "1908-09-14T02:10:06Z", "ms": -1934401793948.7642 }, "end": { "local": "1908-09-13T21:14:06-04:56", "utc": "1908-09-14T02:10:06Z", "ms": -1934401793948.7642 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:22 on Sat 12 Sep to 19:05 on Sun 13 Sep.", "fact": "1908-09-13T02:18:32Z → 1908-09-14T00:01:42Z" }, { "step": "kaala", "text": "Moonrise is at 20:24 on the 12th and 21:13 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 3473 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cali, 1908: Saturday 12 September.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-09-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-12", "confidence": "boundary" } ], "quote": "In Cali, Saṅkaṣṭa Caturthī 1908 falls on Saturday 12 September. Caturthī runs from 21:22 on Sat 12 Sep to 19:05 on Sun 13 Sep, and is current at moonrise on neither day.", "cite": "https://ahargana.org/cali/festivals/1908/sankashta-chaturthi?on=1908-09-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16077, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1908-09-14T17:35:45-04:56", "utc": "1908-09-14T22:31:45Z", "ms": -1934328495245.1787 }, "end": { "local": "1908-09-15T16:57:26-04:56", "utc": "1908-09-15T21:53:26Z", "ms": -1934244394026.3044 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-09-14T17:35:45-04:56", "utc": "1908-09-14T22:31:45Z", "ms": -1934328495245.1787 }, "end": { "local": "1908-09-15T16:57:26-04:56", "utc": "1908-09-15T21:53:26Z", "ms": -1934244394026.3044 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-09-14", "window": { "start": { "local": "1908-09-14T22:03:42-04:56", "utc": "1908-09-15T02:59:42Z", "ms": -1934312418031.9832 }, "end": { "local": "1908-09-14T22:03:42-04:56", "utc": "1908-09-15T02:59:42Z", "ms": -1934312418031.9832 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-09-15", "window": { "start": { "local": "1908-09-15T22:53:53-04:56", "utc": "1908-09-16T03:49:53Z", "ms": -1934223007186.248 }, "end": { "local": "1908-09-15T22:53:53-04:56", "utc": "1908-09-16T03:49:53Z", "ms": -1934223007186.248 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:35 on Mon 14 Sep to 16:56 on Tue 15 Sep.", "fact": "1908-09-14T22:31:45Z → 1908-09-15T21:53:26Z" }, { "step": "kaala", "text": "Moonrise is at 22:03 on the 14th and 22:53 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 14th and is not on the 15th.", "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 16077 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Cali, 1908: Monday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-14", "confidence": "determinate" } ], "quote": "In Cali, Candra Ṣaṣṭhī 1908 falls on Monday 14 September. Ṣaṣṭhī runs from 17:35 on Mon 14 Sep to 16:56 on Tue 15 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-16", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 384, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1908-09-16T17:11:35-04:56", "utc": "1908-09-16T22:07:35Z", "ms": -1934157144755.3384 }, "end": { "local": "1908-09-17T18:14:30-04:56", "utc": "1908-09-17T23:10:30Z", "ms": -1934066969802.9604 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-09-16T17:11:35-04:56", "utc": "1908-09-16T22:07:35Z", "ms": -1934157144755.3384 }, "end": { "local": "1908-09-17T18:14:30-04:56", "utc": "1908-09-17T23:10:30Z", "ms": -1934066969802.9604 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-09-16", "window": { "start": { "local": "1908-09-16T18:08:33-04:56", "utc": "1908-09-16T23:04:33Z", "ms": -1934153727124.7764 }, "end": { "local": "1908-09-16T19:43:32-04:56", "utc": "1908-09-17T00:39:32Z", "ms": -1934148027960.6023 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "1908-09-17", "window": { "start": { "local": "1908-09-17T18:08:06-04:56", "utc": "1908-09-17T23:04:06Z", "ms": -1934067353977.7764 }, "end": { "local": "1908-09-17T19:43:07-04:56", "utc": "1908-09-18T00:39:07Z", "ms": -1934061653312.4773 } }, "covered_min": 6, "window_min": 95, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:11 on Wed 16 Sep to 18:14 on Thu 17 Sep.", "fact": "1908-09-16T22:07:35Z → 1908-09-17T23:10:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:43 on the 16th, 18:07–19:42 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 95 of 95 minutes on the 16th and 6 of 95 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "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 384 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Cali, 1908: Wednesday 16 September.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1908-09-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-16", "confidence": "boundary" } ], "quote": "In Cali, Jitāṣṭamī (Jitiya) 1908 falls on Wednesday 16 September. Aṣṭamī runs from 17:11 on Wed 16 Sep to 18:14 on Thu 17 Sep and covers all of pradoṣa that evening. It also reaches the next evening for 6 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/cali/festivals/1908/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": "/cali/festivals/1908/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22879, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1908-09-16T17:11:35-04:56", "utc": "1908-09-16T22:07:35Z", "ms": -1934157144755.3384 }, "end": { "local": "1908-09-17T18:14:30-04:56", "utc": "1908-09-17T23:10:30Z", "ms": -1934066969802.9604 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-09-16T17:11:35-04:56", "utc": "1908-09-16T22:07:35Z", "ms": -1934157144755.3384 }, "end": { "local": "1908-09-17T18:14:30-04:56", "utc": "1908-09-17T23:10:30Z", "ms": -1934066969802.9604 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-09-16", "window": { "start": { "local": "1908-09-16T23:44:42-04:56", "utc": "1908-09-17T04:40:42Z", "ms": -1934133558223.3389 }, "end": { "local": "1908-09-16T23:44:42-04:56", "utc": "1908-09-17T04:40:42Z", "ms": -1934133558223.3389 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-09-17", "window": { "start": { "local": "1908-09-18T00:35:49-04:56", "utc": "1908-09-18T05:31:49Z", "ms": -1934044090565.5273 }, "end": { "local": "1908-09-18T00:35:49-04:56", "utc": "1908-09-18T05:31:49Z", "ms": -1934044090565.5273 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:11 on Wed 16 Sep to 18:14 on Thu 17 Sep.", "fact": "1908-09-16T22:07:35Z → 1908-09-17T23:10:30Z" }, { "step": "kaala", "text": "Moonrise is at 23:44 on the 16th and 00:35 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22879 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Cali, 1908: Wednesday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-16", "confidence": "determinate" } ], "quote": "In Cali, Mahālakṣmī Vrata Samāpana 1908 falls on Wednesday 16 September. Aṣṭamī runs from 17:11 on Wed 16 Sep to 18:14 on Thu 17 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-09-20", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19134, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-09-19T22:11:11-04:56", "utc": "1908-09-20T03:07:11Z", "ms": -1933879968589.3508 }, "end": { "local": "1908-09-21T00:41:01-04:56", "utc": "1908-09-21T05:37:01Z", "ms": -1933784579269.5554 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-09-19T22:11:11-04:56", "utc": "1908-09-20T03:07:11Z", "ms": -1933879968589.3508 }, "end": { "local": "1908-09-21T00:41:01-04:56", "utc": "1908-09-21T05:37:01Z", "ms": -1933784579269.5554 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-09-20", "window": { "start": { "local": "1908-09-20T06:00:10-04:56", "utc": "1908-09-20T10:56:10Z", "ms": -1933851830053.8167 }, "end": { "local": "1908-09-20T06:00:10-04:56", "utc": "1908-09-20T10:56:10Z", "ms": -1933851830053.8167 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-09-21", "window": { "start": { "local": "1908-09-21T05:59:55-04:56", "utc": "1908-09-21T10:55:55Z", "ms": -1933765445489.6357 }, "end": { "local": "1908-09-21T05:59:55-04:56", "utc": "1908-09-21T10:55:55Z", "ms": -1933765445489.6357 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:10 on Sat 19 Sep to 00:40 on Mon 21 Sep.", "fact": "1908-09-20T03:07:11Z → 1908-09-21T05:37:01Z" }, { "step": "kaala", "text": "Sunrise is at 05:59 on the 20th and 05:59 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19134 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Cali, 1908: Sunday 20 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": "1908-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-20", "confidence": "determinate" } ], "quote": "In Cali, Indirā Ekādaśī 1908 falls on Sunday 20 September. Ekādaśī runs from 22:10 on Sat 19 Sep to 00:40 on Mon 21 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-09-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-09-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27248, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-09-22T03:15:33-04:56", "utc": "1908-09-22T08:11:33Z", "ms": -1933688906561.7183 }, "end": { "local": "1908-09-23T05:44:58-04:56", "utc": "1908-09-23T10:40:58Z", "ms": -1933593542164.295 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-09-22T03:15:33-04:56", "utc": "1908-09-22T08:11:33Z", "ms": -1933688906561.7183 }, "end": { "local": "1908-09-23T05:44:58-04:56", "utc": "1908-09-23T10:40:58Z", "ms": -1933593542164.295 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-09-21", "window": { "start": { "local": "1908-09-21T18:06:19-04:56", "utc": "1908-09-21T23:02:19Z", "ms": -1933721860924.5461 }, "end": { "local": "1908-09-21T19:41:26-04:56", "utc": "1908-09-22T00:37:26Z", "ms": -1933716154246.2837 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1908-09-22", "window": { "start": { "local": "1908-09-22T18:05:53-04:56", "utc": "1908-09-22T23:01:53Z", "ms": -1933635487447.9373 }, "end": { "local": "1908-09-22T19:41:01-04:56", "utc": "1908-09-23T00:37:01Z", "ms": -1933629779265.6191 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:15 on Tue 22 Sep to 05:44 on Wed 23 Sep.", "fact": "1908-09-22T08:11:33Z → 1908-09-23T10:40:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:40 on the 21st, 18:05–19:40 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 21st and 95 of 95 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27248 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cali, 1908: Tuesday 22 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": "1908-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-22", "confidence": "determinate" } ], "quote": "In Cali, Kṛṣṇa Pradoṣa Vrata 1908 falls on Tuesday 22 September. Trayodaśī runs from 03:15 on Tue 22 Sep to 05:44 on Wed 23 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-09-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shivaratri?on=1908-09-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19100, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-09-23T05:44:58-04:56", "utc": "1908-09-23T10:40:58Z", "ms": -1933593542164.295 }, "end": { "local": "1908-09-24T08:02:15-04:56", "utc": "1908-09-24T12:58:15Z", "ms": -1933498905297.3928 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-09-23T05:44:58-04:56", "utc": "1908-09-23T10:40:58Z", "ms": -1933593542164.295 }, "end": { "local": "1908-09-24T08:02:15-04:56", "utc": "1908-09-24T12:58:15Z", "ms": -1933498905297.3928 } }, "kaala": "nishita", "days": [ { "local_date": "1908-09-22", "window": { "start": { "local": "1908-09-22T23:38:38-04:56", "utc": "1908-09-23T04:34:38Z", "ms": -1933615521764.2441 }, "end": { "local": "1908-09-23T00:26:38-04:56", "utc": "1908-09-23T05:22:38Z", "ms": -1933612641764.2441 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-09-23", "window": { "start": { "local": "1908-09-23T23:38:17-04:56", "utc": "1908-09-24T04:34:17Z", "ms": -1933529142524.8643 }, "end": { "local": "1908-09-24T00:26:17-04:56", "utc": "1908-09-24T05:22:17Z", "ms": -1933526262524.8643 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:44 on Wed 23 Sep to 08:01 on Thu 24 Sep.", "fact": "1908-09-23T10:40:58Z → 1908-09-24T12:58:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:38–00:26 on the 22nd, 23:37–00:25 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "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 19100 s" }, { "step": "ruling", "text": "Śivarātri, Cali, 1908: Wednesday 23 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-23", "confidence": "determinate" } ], "quote": "In Cali, Śivarātri 1908 falls on Wednesday 23 September. Caturdaśī runs from 05:44 on Wed 23 Sep to 08:01 on Thu 24 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/shivaratri?on=1908-09-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11470, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1908-09-24T08:02:15-04:56", "utc": "1908-09-24T12:58:15Z", "ms": -1933498905297.3928 }, "end": { "local": "1908-09-25T10:03:08-04:56", "utc": "1908-09-25T14:59:08Z", "ms": -1933405252383.3625 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-09-24T08:02:15-04:56", "utc": "1908-09-24T12:58:15Z", "ms": -1933498905297.3928 }, "end": { "local": "1908-09-25T10:03:08-04:56", "utc": "1908-09-25T14:59:08Z", "ms": -1933405252383.3625 } }, "kaala": "aparahna", "days": [ { "local_date": "1908-09-24", "window": { "start": { "local": "1908-09-24T13:14:39-04:56", "utc": "1908-09-24T18:10:39Z", "ms": -1933480160544.4558 }, "end": { "local": "1908-09-24T15:39:50-04:56", "utc": "1908-09-24T20:35:50Z", "ms": -1933471450325.3875 } }, "covered_min": 145, "window_min": 145, "qualifies": true }, { "local_date": "1908-09-25", "window": { "start": { "local": "1908-09-25T13:14:18-04:56", "utc": "1908-09-25T18:10:18Z", "ms": -1933393782196.2117 }, "end": { "local": "1908-09-25T15:39:26-04:56", "utc": "1908-09-25T20:35:26Z", "ms": -1933385074200.2197 } }, "covered_min": 0, "window_min": 145, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 08:01 on Thu 24 Sep to 10:02 on Fri 25 Sep.", "fact": "1908-09-24T12:58:15Z → 1908-09-25T14:59:08Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:14–15:39 on the 24th, 13:13–15:38 on the 25th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 145 of 145 minutes on the 24th and 0 of 145 on the 25th.", "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 11470 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Cali, 1908: Thursday 24 September.", "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": "1908-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-24", "confidence": "determinate" } ], "quote": "In Cali, Mahālaya Amāvāsyā 1908 falls on Thursday 24 September. Amāvasyā runs from 08:01 on Thu 24 Sep to 10:02 on Fri 25 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 475, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1908-09-25T10:03:08-04:56", "utc": "1908-09-25T14:59:08Z", "ms": -1933405252383.3625 }, "end": { "local": "1908-09-26T11:45:18-04:56", "utc": "1908-09-26T16:41:18Z", "ms": -1933312722067.343 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-09-25T10:03:08-04:56", "utc": "1908-09-25T14:59:08Z", "ms": -1933405252383.3625 }, "end": { "local": "1908-09-26T11:45:18-04:56", "utc": "1908-09-26T16:41:18Z", "ms": -1933312722067.343 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-09-25", "window": { "start": { "local": "1908-09-25T11:37:44-04:56", "utc": "1908-09-25T16:33:44Z", "ms": -1933399576194.2075 }, "end": { "local": "1908-09-25T12:25:44-04:56", "utc": "1908-09-25T17:21:44Z", "ms": -1933396696194.2075 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-09-26", "window": { "start": { "local": "1908-09-26T11:37:23-04:56", "utc": "1908-09-26T16:33:23Z", "ms": -1933313196567.4958 }, "end": { "local": "1908-09-26T12:25:23-04:56", "utc": "1908-09-26T17:21:23Z", "ms": -1933310316567.4958 } }, "covered_min": 8, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:02 on Fri 25 Sep to 11:44 on Sat 26 Sep.", "fact": "1908-09-25T14:59:08Z → 1908-09-26T16:41:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 25th, 11:36–12:24 on the 26th.", "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 25th and 8 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 475 s" }, { "step": "ruling", "text": "Navarātrārambha, Cali, 1908: Saturday 26 September.", "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": "1908-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-26", "confidence": "determinate" } ], "quote": "In Cali, Navarātrārambha (Navratri) 1908 falls on Saturday 26 September. Pratipadā runs from 10:02 on Fri 25 Sep to 11:44 on Sat 26 Sep and covers 8 of 48 minutes 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/cali/festivals/1908/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": "/cali/festivals/1908/vinayaka-chaturthi?on=1908-09-29", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6212, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-09-28T14:08:15-04:56", "utc": "1908-09-28T19:04:15Z", "ms": -1933131345149.5576 }, "end": { "local": "1908-09-29T14:45:57-04:56", "utc": "1908-09-29T19:41:57Z", "ms": -1933042682819.5579 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-09-28T14:08:15-04:56", "utc": "1908-09-28T19:04:15Z", "ms": -1933131345149.5576 }, "end": { "local": "1908-09-29T14:45:57-04:56", "utc": "1908-09-29T19:41:57Z", "ms": -1933042682819.5579 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-09-28", "window": { "start": { "local": "1908-09-28T11:36:43-04:56", "utc": "1908-09-28T16:32:43Z", "ms": -1933140436743.6895 }, "end": { "local": "1908-09-28T12:24:43-04:56", "utc": "1908-09-28T17:20:43Z", "ms": -1933137556743.6895 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-09-29", "window": { "start": { "local": "1908-09-29T11:36:23-04:56", "utc": "1908-09-29T16:32:23Z", "ms": -1933054056511.7058 }, "end": { "local": "1908-09-29T12:24:23-04:56", "utc": "1908-09-29T17:20:23Z", "ms": -1933051176511.7058 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:07 on Mon 28 Sep to 14:45 on Tue 29 Sep.", "fact": "1908-09-28T19:04:15Z → 1908-09-29T19:41:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 28th, 11:35–12:23 on the 29th.", "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 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6212 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cali, 1908: Tuesday 29 September.", "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": "1908-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-09-29", "confidence": "determinate" } ], "quote": "In Cali, Vināyaka Caturthī 1908 falls on Tuesday 29 September. Caturthī runs from 14:07 on Mon 28 Sep to 14:45 on Tue 29 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/vinayaka-chaturthi?on=1908-09-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25686, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1908-10-01T14:41:30-04:56", "utc": "1908-10-01T19:37:30Z", "ms": -1932870150128.3987 }, "end": { "local": "1908-10-02T13:53:38-04:56", "utc": "1908-10-02T18:49:38Z", "ms": -1932786622004.0305 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-10-01T14:41:30-04:56", "utc": "1908-10-01T19:37:30Z", "ms": -1932870150128.3987 }, "end": { "local": "1908-10-02T13:53:38-04:56", "utc": "1908-10-02T18:49:38Z", "ms": -1932786622004.0305 } }, "kaala": "udaya-1", "days": [ { "local_date": "1908-10-01", "window": { "start": { "local": "1908-10-01T05:57:28-04:56", "utc": "1908-10-01T10:53:28Z", "ms": -1932901592242.7224 }, "end": { "local": "1908-10-01T06:45:46-04:56", "utc": "1908-10-01T11:41:46Z", "ms": -1932898693986.2383 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-10-02", "window": { "start": { "local": "1908-10-02T05:57:14-04:56", "utc": "1908-10-02T10:53:14Z", "ms": -1932815205790.485 }, "end": { "local": "1908-10-02T06:45:32-04:56", "utc": "1908-10-02T11:41:32Z", "ms": -1932812308261.364 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:40 on Thu 1 Oct to 13:53 on Fri 2 Oct.", "fact": "1908-10-01T19:37:30Z → 1908-10-02T18:49:38Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:56–06:45 on the 1st, 05:56–06:45 on the 2nd.", "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 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25686 s" }, { "step": "ruling", "text": "Durgā Saptamī, Cali, 1908: Friday 2 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": "1908-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-02", "confidence": "determinate" } ], "quote": "In Cali, Durgā Saptamī 1908 falls on Friday 2 October. Saptamī runs from 14:40 on Thu 1 Oct to 13:53 on Fri 2 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 575, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1908-10-02T13:53:38-04:56", "utc": "1908-10-02T18:49:38Z", "ms": -1932786622004.0305 }, "end": { "local": "1908-10-03T12:32:41-04:56", "utc": "1908-10-03T17:28:41Z", "ms": -1932705078522.9453 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-10-02T13:53:38-04:56", "utc": "1908-10-02T18:49:38Z", "ms": -1932786622004.0305 }, "end": { "local": "1908-10-03T12:32:41-04:56", "utc": "1908-10-03T17:28:41Z", "ms": -1932705078522.9453 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-10-02", "window": { "start": { "local": "1908-10-02T11:35:26-04:56", "utc": "1908-10-02T16:31:26Z", "ms": -1932794914322.0762 }, "end": { "local": "1908-10-02T12:23:26-04:56", "utc": "1908-10-02T17:19:26Z", "ms": -1932792034322.0762 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-10-03", "window": { "start": { "local": "1908-10-03T11:35:07-04:56", "utc": "1908-10-03T16:31:07Z", "ms": -1932708533032.7886 }, "end": { "local": "1908-10-03T12:23:07-04:56", "utc": "1908-10-03T17:19:07Z", "ms": -1932705653032.7886 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 13:53 on Fri 2 Oct to 12:32 on Sat 3 Oct.", "fact": "1908-10-02T18:49:38Z → 1908-10-03T17:28:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 2nd, 11:34–12:22 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "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 575 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Cali, 1908: Saturday 3 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": "1908-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-03", "confidence": "determinate" } ], "quote": "In Cali, Mahāṣṭamī (Durga Ashtami) 1908 falls on Saturday 3 October. Aṣṭamī runs from 13:53 on Fri 2 Oct to 12:32 on Sat 3 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 575, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1908-10-03T12:32:41-04:56", "utc": "1908-10-03T17:28:41Z", "ms": -1932705078522.9453 }, "end": { "local": "1908-10-04T10:38:40-04:56", "utc": "1908-10-04T15:34:40Z", "ms": -1932625520141.5266 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-10-03T12:32:41-04:56", "utc": "1908-10-03T17:28:41Z", "ms": -1932705078522.9453 }, "end": { "local": "1908-10-04T10:38:40-04:56", "utc": "1908-10-04T15:34:40Z", "ms": -1932625520141.5266 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-10-03", "window": { "start": { "local": "1908-10-03T11:35:07-04:56", "utc": "1908-10-03T16:31:07Z", "ms": -1932708533032.7886 }, "end": { "local": "1908-10-03T12:23:07-04:56", "utc": "1908-10-03T17:19:07Z", "ms": -1932705653032.7886 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-10-04", "window": { "start": { "local": "1908-10-04T11:34:49-04:56", "utc": "1908-10-04T16:30:49Z", "ms": -1932622151431.4775 }, "end": { "local": "1908-10-04T12:22:49-04:56", "utc": "1908-10-04T17:18:49Z", "ms": -1932619271431.4775 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 12:32 on Sat 3 Oct to 10:38 on Sun 4 Oct.", "fact": "1908-10-03T17:28:41Z → 1908-10-04T15:34:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 3rd, 11:34–12:22 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 575 s" }, { "step": "ruling", "text": "Mahānavamī, Cali, 1908: Sunday 4 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": "1908-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-03", "confidence": "determinate" } ], "quote": "In Cali, Mahānavamī 1908 falls on Sunday 4 October. Navamī runs from 12:32 on Sat 3 Oct to 10:38 on Sun 4 Oct, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-05", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 4796, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1908-10-04T10:38:40-04:56", "utc": "1908-10-04T15:34:40Z", "ms": -1932625520141.5266 }, "end": { "local": "1908-10-05T08:13:43-04:56", "utc": "1908-10-05T13:09:43Z", "ms": -1932547816606.2415 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1908-10-04T16:40:53-04:56", "utc": "1908-10-04T21:36:53Z", "ms": -1932603786508.3447 }, "end": { "local": "1908-10-05T08:13:43-04:56", "utc": "1908-10-05T13:09:43Z", "ms": -1932547816606.2415 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1908-10-04T16:40:53-04:56", "utc": "1908-10-04T21:36:53Z", "ms": -1932603786508.3447 }, "end": { "local": "1908-10-05T14:52:46-04:56", "utc": "1908-10-05T19:48:46Z", "ms": -1932523873527.6912 } } }, "kaala": "daytime", "days": [ { "local_date": "1908-10-04", "window": { "start": { "local": "1908-10-04T05:56:48-04:56", "utc": "1908-10-04T10:52:48Z", "ms": -1932642432047.0896 }, "end": { "local": "1908-10-04T18:00:49-04:56", "utc": "1908-10-04T22:56:49Z", "ms": -1932598990815.8655 } }, "covered_min": 80, "window_min": 724, "qualifies": true }, { "local_date": "1908-10-05", "window": { "start": { "local": "1908-10-05T05:56:35-04:56", "utc": "1908-10-05T10:52:35Z", "ms": -1932556044717.8792 }, "end": { "local": "1908-10-05T18:00:26-04:56", "utc": "1908-10-05T22:56:26Z", "ms": -1932512614277.0562 } }, "covered_min": 137, "window_min": 724, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Daśamī runs from 10:38 on Sun 4 Oct to 08:13 on Mon 5 Oct, and Śravaṇa from 16:40 on Sun 4 Oct to 14:52 on Mon 5 Oct. They are together from 16:40 on Sun 4 Oct to 08:13 on Mon 5 Oct.", "fact": "1908-10-04T21:36:53Z → 1908-10-05T13:09:43Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 05:56–18:00 on the 4th, 05:56–17:59 on the 5th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 80 of 724 minutes on the 4th and 137 of 724 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 4796 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Cali, 1908: Monday 5 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1908-10-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-05", "confidence": "boundary" } ], "quote": "In Cali, Vijayā Daśamī (Dussehra) 1908 falls on Monday 5 October. Daśamī runs from 10:38 on Sun 4 Oct to 08:13 on Mon 5 Oct and is with Śravaṇa in the day time that day, for 137 minutes. They are together in the day time on the previous day too, for 80 minutes; the rule does not say which to take, and the day they share longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-10-05", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2043, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-10-05T08:13:43-04:56", "utc": "1908-10-05T13:09:43Z", "ms": -1932547816606.2415 }, "end": { "local": "1908-10-06T05:22:20-04:56", "utc": "1908-10-06T10:18:20Z", "ms": -1932471700224.0583 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-10-05T08:13:43-04:56", "utc": "1908-10-05T13:09:43Z", "ms": -1932547816606.2415 }, "end": { "local": "1908-10-06T05:22:20-04:56", "utc": "1908-10-06T10:18:20Z", "ms": -1932471700224.0583 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-10-05", "window": { "start": { "local": "1908-10-05T05:56:35-04:56", "utc": "1908-10-05T10:52:35Z", "ms": -1932556044717.8792 }, "end": { "local": "1908-10-05T05:56:35-04:56", "utc": "1908-10-05T10:52:35Z", "ms": -1932556044717.8792 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-10-06", "window": { "start": { "local": "1908-10-06T05:56:23-04:56", "utc": "1908-10-06T10:52:23Z", "ms": -1932469657056.6453 }, "end": { "local": "1908-10-06T05:56:23-04:56", "utc": "1908-10-06T10:52:23Z", "ms": -1932469657056.6453 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:13 on Mon 5 Oct to 05:21 on Tue 6 Oct.", "fact": "1908-10-05T13:09:43Z → 1908-10-06T10:18:20Z" }, { "step": "kaala", "text": "Sunrise is at 05:56 on the 5th and 05:55 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 2043 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Cali, 1908: Monday 5 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": "1908-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-05", "confidence": "determinate" } ], "quote": "In Cali, Pāśāṅkuśā Ekādaśī 1908 falls on Monday 5 October. Ekādaśī runs from 08:13 on Mon 5 Oct to 05:21 on Tue 6 Oct, and is current at sunrise on neither day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-10-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-10-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11583, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-10-07T02:11:03-04:56", "utc": "1908-10-07T07:07:03Z", "ms": -1932396776563.8706 }, "end": { "local": "1908-10-07T22:48:14-04:56", "utc": "1908-10-08T03:44:14Z", "ms": -1932322546316.9182 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1908-10-07T02:11:03-04:56", "utc": "1908-10-07T07:07:03Z", "ms": -1932396776563.8706 }, "end": { "local": "1908-10-07T22:48:14-04:56", "utc": "1908-10-08T03:44:14Z", "ms": -1932322546316.9182 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-10-06", "window": { "start": { "local": "1908-10-06T18:00:03-04:56", "utc": "1908-10-06T22:56:03Z", "ms": -1932426237361.442 }, "end": { "local": "1908-10-06T19:35:32-04:56", "utc": "1908-10-07T00:31:32Z", "ms": -1932420508252.1501 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1908-10-07", "window": { "start": { "local": "1908-10-07T17:59:40-04:56", "utc": "1908-10-07T22:55:40Z", "ms": -1932339860045.1177 }, "end": { "local": "1908-10-07T19:35:11-04:56", "utc": "1908-10-08T00:31:11Z", "ms": -1932334129459.1777 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:10 on Wed 7 Oct to 22:47 on Wed 7 Oct.", "fact": "1908-10-07T07:07:03Z → 1908-10-08T03:44:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:35 on the 6th, 17:59–19:34 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 6th and 96 of 96 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11583 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cali, 1908: Wednesday 7 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": "1908-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-07", "confidence": "determinate" } ], "quote": "In Cali, Śukla Pradoṣa Vrata 1908 falls on Wednesday 7 October. Trayodaśī runs from 02:10 on Wed 7 Oct to 22:47 on Wed 7 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-10-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40162, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-10-12T08:53:59-04:56", "utc": "1908-10-12T13:49:59Z", "ms": -1931940600649.7673 }, "end": { "local": "1908-10-13T07:51:35-04:56", "utc": "1908-10-13T12:47:35Z", "ms": -1931857945198.2502 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-12T08:53:59-04:56", "utc": "1908-10-12T13:49:59Z", "ms": -1931940600649.7673 }, "end": { "local": "1908-10-13T07:51:35-04:56", "utc": "1908-10-13T12:47:35Z", "ms": -1931857945198.2502 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-10-11", "window": { "start": { "local": "1908-10-11T19:50:57-04:56", "utc": "1908-10-12T00:46:57Z", "ms": -1931987582613.4885 }, "end": { "local": "1908-10-11T19:50:57-04:56", "utc": "1908-10-12T00:46:57Z", "ms": -1931987582613.4885 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-10-12", "window": { "start": { "local": "1908-10-12T20:42:13-04:56", "utc": "1908-10-13T01:38:13Z", "ms": -1931898106715.8193 }, "end": { "local": "1908-10-12T20:42:13-04:56", "utc": "1908-10-13T01:38:13Z", "ms": -1931898106715.8193 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:53 on Mon 12 Oct to 07:51 on Tue 13 Oct.", "fact": "1908-10-12T13:49:59Z → 1908-10-13T12:47:35Z" }, { "step": "kaala", "text": "Moonrise is at 19:50 on the 11th and 20:41 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.", "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 40162 s" }, { "step": "ruling", "text": "Karaka Caturthī, Cali, 1908: Monday 12 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-12", "confidence": "determinate" } ], "quote": "In Cali, Karaka Caturthī (Karwa Chauth) 1908 falls on Monday 12 October. Caturthī runs from 08:53 on Mon 12 Oct to 07:51 on Tue 13 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/sankashta-chaturthi?on=1908-10-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40162, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-10-12T08:53:59-04:56", "utc": "1908-10-12T13:49:59Z", "ms": -1931940600649.7673 }, "end": { "local": "1908-10-13T07:51:35-04:56", "utc": "1908-10-13T12:47:35Z", "ms": -1931857945198.2502 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-12T08:53:59-04:56", "utc": "1908-10-12T13:49:59Z", "ms": -1931940600649.7673 }, "end": { "local": "1908-10-13T07:51:35-04:56", "utc": "1908-10-13T12:47:35Z", "ms": -1931857945198.2502 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-10-11", "window": { "start": { "local": "1908-10-11T19:50:57-04:56", "utc": "1908-10-12T00:46:57Z", "ms": -1931987582613.4885 }, "end": { "local": "1908-10-11T19:50:57-04:56", "utc": "1908-10-12T00:46:57Z", "ms": -1931987582613.4885 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-10-12", "window": { "start": { "local": "1908-10-12T20:42:13-04:56", "utc": "1908-10-13T01:38:13Z", "ms": -1931898106715.8193 }, "end": { "local": "1908-10-12T20:42:13-04:56", "utc": "1908-10-13T01:38:13Z", "ms": -1931898106715.8193 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:53 on Mon 12 Oct to 07:51 on Tue 13 Oct.", "fact": "1908-10-12T13:49:59Z → 1908-10-13T12:47:35Z" }, { "step": "kaala", "text": "Moonrise is at 19:50 on the 11th and 20:41 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.", "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 40162 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cali, 1908: Monday 12 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": "1908-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-12", "confidence": "determinate" } ], "quote": "In Cali, Saṅkaṣṭa Caturthī 1908 falls on Monday 12 October. Caturthī runs from 08:53 on Mon 12 Oct to 07:51 on Tue 13 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/sankashta-chaturthi?on=1908-10-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37399, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1908-10-16T09:42:30-04:56", "utc": "1908-10-16T14:38:30Z", "ms": -1931592089707.1086 }, "end": { "local": "1908-10-17T11:43:26-04:56", "utc": "1908-10-17T16:39:26Z", "ms": -1931498433995.4182 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-16T09:42:30-04:56", "utc": "1908-10-16T14:38:30Z", "ms": -1931592089707.1086 }, "end": { "local": "1908-10-17T11:43:26-04:56", "utc": "1908-10-17T16:39:26Z", "ms": -1931498433995.4182 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-10-15", "window": { "start": { "local": "1908-10-15T23:19:11-04:56", "utc": "1908-10-16T04:15:11Z", "ms": -1931629488634.0513 }, "end": { "local": "1908-10-15T23:19:11-04:56", "utc": "1908-10-16T04:15:11Z", "ms": -1931629488634.0513 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-10-16", "window": { "start": { "local": "1908-10-17T00:10:25-04:56", "utc": "1908-10-17T05:06:25Z", "ms": -1931540014685.0508 }, "end": { "local": "1908-10-17T00:10:25-04:56", "utc": "1908-10-17T05:06:25Z", "ms": -1931540014685.0508 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:42 on Fri 16 Oct to 11:42 on Sat 17 Oct.", "fact": "1908-10-16T14:38:30Z → 1908-10-17T16:39:26Z" }, { "step": "kaala", "text": "Moonrise is at 23:18 on the 15th and 00:09 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 15th and is on the 16th.", "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 37399 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Cali, 1908: Friday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-16", "confidence": "determinate" } ], "quote": "In Cali, Ahoyī Aṣṭamī 1908 falls on Friday 16 October. Aṣṭamī runs from 09:42 on Fri 16 Oct to 11:42 on Sat 17 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-10-20", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38513, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-10-19T16:42:12-04:56", "utc": "1908-10-19T21:38:12Z", "ms": -1931307707530.3774 }, "end": { "local": "1908-10-20T19:12:19-04:56", "utc": "1908-10-21T00:08:19Z", "ms": -1931212300622.558 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-19T16:42:12-04:56", "utc": "1908-10-19T21:38:12Z", "ms": -1931307707530.3774 }, "end": { "local": "1908-10-20T19:12:19-04:56", "utc": "1908-10-21T00:08:19Z", "ms": -1931212300622.558 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-10-20", "window": { "start": { "local": "1908-10-20T05:54:17-04:56", "utc": "1908-10-20T10:50:17Z", "ms": -1931260182624.1633 }, "end": { "local": "1908-10-20T05:54:17-04:56", "utc": "1908-10-20T10:50:17Z", "ms": -1931260182624.1633 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-10-21", "window": { "start": { "local": "1908-10-21T05:54:13-04:56", "utc": "1908-10-21T10:50:13Z", "ms": -1931173787447.3289 }, "end": { "local": "1908-10-21T05:54:13-04:56", "utc": "1908-10-21T10:50:13Z", "ms": -1931173787447.3289 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:41 on Mon 19 Oct to 19:11 on Tue 20 Oct.", "fact": "1908-10-19T21:38:12Z → 1908-10-21T00:08:19Z" }, { "step": "kaala", "text": "Sunrise is at 05:53 on the 20th and 05:53 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38513 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Cali, 1908: Tuesday 20 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": "1908-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-20", "confidence": "determinate" } ], "quote": "In Cali, Ramā Ekādaśī 1908 falls on Tuesday 20 October. Ekādaśī runs from 16:41 on Mon 19 Oct to 19:11 on Tue 20 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-10-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1142, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1908-10-20T19:12:19-04:56", "utc": "1908-10-21T00:08:19Z", "ms": -1931212300622.558 }, "end": { "local": "1908-10-21T21:27:40-04:56", "utc": "1908-10-22T02:23:40Z", "ms": -1931117779659.0586 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-20T19:12:19-04:56", "utc": "1908-10-21T00:08:19Z", "ms": -1931212300622.558 }, "end": { "local": "1908-10-21T21:27:40-04:56", "utc": "1908-10-22T02:23:40Z", "ms": -1931117779659.0586 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-10-20", "window": { "start": { "local": "1908-10-20T17:55:32-04:56", "utc": "1908-10-20T22:51:32Z", "ms": -1931216907701.6333 }, "end": { "local": "1908-10-20T19:31:22-04:56", "utc": "1908-10-21T00:27:22Z", "ms": -1931211158334.3928 } }, "covered_min": 19, "window_min": 96, "qualifies": true }, { "local_date": "1908-10-21", "window": { "start": { "local": "1908-10-21T17:55:18-04:56", "utc": "1908-10-21T22:51:18Z", "ms": -1931130522397.3486 }, "end": { "local": "1908-10-21T19:31:08-04:56", "utc": "1908-10-22T00:27:08Z", "ms": -1931124771629.0278 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:11 on Tue 20 Oct to 21:27 on Wed 21 Oct.", "fact": "1908-10-21T00:08:19Z → 1908-10-22T02:23:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:55–19:30 on the 20th, 17:54–19:30 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 19 of 96 minutes on the 20th and 96 of 96 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both evenings qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1142 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Cali, 1908: Tuesday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-20", "confidence": "determinate" } ], "quote": "In Cali, Govatsa Dvādaśī (Vasu Baras) 1908 falls on Tuesday 20 October. Dvādaśī runs from 19:11 on Tue 20 Oct to 21:27 on Wed 21 Oct and covers 19 of 96 minutes of pradoṣa that evening. It also reaches the next evening for 96 minutes; by the rule the first evening is taken.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6992, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-10-21T21:27:40-04:56", "utc": "1908-10-22T02:23:40Z", "ms": -1931117779659.0586 }, "end": { "local": "1908-10-22T23:21:05-04:56", "utc": "1908-10-23T04:17:05Z", "ms": -1931024575025.4285 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-21T21:27:40-04:56", "utc": "1908-10-22T02:23:40Z", "ms": -1931117779659.0586 }, "end": { "local": "1908-10-22T23:21:05-04:56", "utc": "1908-10-23T04:17:05Z", "ms": -1931024575025.4285 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-10-21", "window": { "start": { "local": "1908-10-21T17:55:18-04:56", "utc": "1908-10-21T22:51:18Z", "ms": -1931130522397.3486 }, "end": { "local": "1908-10-21T19:31:08-04:56", "utc": "1908-10-22T00:27:08Z", "ms": -1931124771629.0278 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1908-10-22", "window": { "start": { "local": "1908-10-22T17:55:04-04:56", "utc": "1908-10-22T22:51:04Z", "ms": -1931044136384.8982 }, "end": { "local": "1908-10-22T19:30:56-04:56", "utc": "1908-10-23T00:26:56Z", "ms": -1931038384223.6018 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:27 on Wed 21 Oct to 23:20 on Thu 22 Oct.", "fact": "1908-10-22T02:23:40Z → 1908-10-23T04:17:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:30 on the 21st, 17:54–19:30 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 96 minutes on the 21st and 96 of 96 on the 22nd.", "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 6992 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Cali, 1908: Thursday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-22", "confidence": "determinate" } ], "quote": "In Cali, Yama Dīpadāna 1908 falls on Thursday 22 October. Trayodaśī runs from 21:27 on Wed 21 Oct to 23:20 on Thu 22 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/pradosha-vrata?on=1908-10-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6992, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-10-21T21:27:40-04:56", "utc": "1908-10-22T02:23:40Z", "ms": -1931117779659.0586 }, "end": { "local": "1908-10-22T23:21:05-04:56", "utc": "1908-10-23T04:17:05Z", "ms": -1931024575025.4285 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-21T21:27:40-04:56", "utc": "1908-10-22T02:23:40Z", "ms": -1931117779659.0586 }, "end": { "local": "1908-10-22T23:21:05-04:56", "utc": "1908-10-23T04:17:05Z", "ms": -1931024575025.4285 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-10-21", "window": { "start": { "local": "1908-10-21T17:55:18-04:56", "utc": "1908-10-21T22:51:18Z", "ms": -1931130522397.3486 }, "end": { "local": "1908-10-21T19:31:08-04:56", "utc": "1908-10-22T00:27:08Z", "ms": -1931124771629.0278 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1908-10-22", "window": { "start": { "local": "1908-10-22T17:55:04-04:56", "utc": "1908-10-22T22:51:04Z", "ms": -1931044136384.8982 }, "end": { "local": "1908-10-22T19:30:56-04:56", "utc": "1908-10-23T00:26:56Z", "ms": -1931038384223.6018 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:27 on Wed 21 Oct to 23:20 on Thu 22 Oct.", "fact": "1908-10-22T02:23:40Z → 1908-10-23T04:17:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:30 on the 21st, 17:54–19:30 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 96 minutes on the 21st and 96 of 96 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6992 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cali, 1908: Thursday 22 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": "1908-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-22", "confidence": "determinate" } ], "quote": "In Cali, Kṛṣṇa Pradoṣa Vrata 1908 falls on Thursday 22 October. Trayodaśī runs from 21:27 on Wed 21 Oct to 23:20 on Thu 22 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-10-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shivaratri?on=1908-10-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-22", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 569, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-10-22T23:21:05-04:56", "utc": "1908-10-23T04:17:05Z", "ms": -1931024575025.4285 }, "end": { "local": "1908-10-24T00:48:55-04:56", "utc": "1908-10-24T05:44:55Z", "ms": -1930932905146.5144 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-22T23:21:05-04:56", "utc": "1908-10-23T04:17:05Z", "ms": -1931024575025.4285 }, "end": { "local": "1908-10-24T00:48:55-04:56", "utc": "1908-10-24T05:44:55Z", "ms": -1930932905146.5144 } }, "kaala": "nishita", "days": [ { "local_date": "1908-10-22", "window": { "start": { "local": "1908-10-22T23:30:34-04:56", "utc": "1908-10-23T04:26:34Z", "ms": -1931024005780.0366 }, "end": { "local": "1908-10-23T00:18:34-04:56", "utc": "1908-10-23T05:14:34Z", "ms": -1931021125780.0366 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-10-23", "window": { "start": { "local": "1908-10-23T23:30:26-04:56", "utc": "1908-10-24T04:26:26Z", "ms": -1930937613853.6875 }, "end": { "local": "1908-10-24T00:18:26-04:56", "utc": "1908-10-24T05:14:26Z", "ms": -1930934733853.6875 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:20 on Thu 22 Oct to 00:48 on Sat 24 Oct.", "fact": "1908-10-23T04:17:05Z → 1908-10-24T05:44:55Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:30–00:18 on the 22nd, 23:29–00:17 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "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 569 s" }, { "step": "ruling", "text": "Śivarātri, Cali, 1908: Thursday 22 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-10-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-23", "confidence": "boundary" } ], "quote": "In Cali, Śivarātri 1908 falls on Thursday 22 October. Caturdaśī runs from 23:20 on Thu 22 Oct to 00:48 on Sat 24 Oct and covers all of niśītha that night. It also reaches the next night for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/cali/festivals/1908/shivaratri?on=1908-10-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12554, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-10-22T23:21:05-04:56", "utc": "1908-10-23T04:17:05Z", "ms": -1931024575025.4285 }, "end": { "local": "1908-10-24T00:48:55-04:56", "utc": "1908-10-24T05:44:55Z", "ms": -1930932905146.5144 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-22T23:21:05-04:56", "utc": "1908-10-23T04:17:05Z", "ms": -1931024575025.4285 }, "end": { "local": "1908-10-24T00:48:55-04:56", "utc": "1908-10-24T05:44:55Z", "ms": -1930932905146.5144 } }, "kaala": "arunodaya", "days": [ { "local_date": "1908-10-23", "window": { "start": { "local": "1908-10-23T04:18:13-04:56", "utc": "1908-10-23T09:14:13Z", "ms": -1931006747336.4717 }, "end": { "local": "1908-10-23T05:54:05-04:56", "utc": "1908-10-23T10:50:05Z", "ms": -1931000995175.1753 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1908-10-24", "window": { "start": { "local": "1908-10-24T04:18:08-04:56", "utc": "1908-10-24T09:14:08Z", "ms": -1930920351602.8706 }, "end": { "local": "1908-10-24T05:54:02-04:56", "utc": "1908-10-24T10:50:02Z", "ms": -1930914598057.119 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:20 on Thu 22 Oct to 00:48 on Sat 24 Oct.", "fact": "1908-10-23T04:17:05Z → 1908-10-24T05:44:55Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:17–05:53 on the 23rd, 04:17–05:53 on the 24th.", "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 96 of 96 minutes on the 23rd and 0 of 96 on the 24th.", "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 12554 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Cali, 1908: Friday 23 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-23", "confidence": "determinate" } ], "quote": "In Cali, Naraka Caturdaśī (Choti Diwali) 1908 falls on Friday 23 October. Caturdaśī runs from 23:20 on Thu 22 Oct to 00:48 on Sat 24 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19091, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1908-10-24T00:48:55-04:56", "utc": "1908-10-24T05:44:55Z", "ms": -1930932905146.5144 }, "end": { "local": "1908-10-25T01:50:19-04:56", "utc": "1908-10-25T06:46:19Z", "ms": -1930842821235.949 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-24T00:48:55-04:56", "utc": "1908-10-24T05:44:55Z", "ms": -1930932905146.5144 }, "end": { "local": "1908-10-25T01:50:19-04:56", "utc": "1908-10-25T06:46:19Z", "ms": -1930842821235.949 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-10-23", "window": { "start": { "local": "1908-10-23T17:54:50-04:56", "utc": "1908-10-23T22:50:50Z", "ms": -1930957749650.256 }, "end": { "local": "1908-10-23T19:30:44-04:56", "utc": "1908-10-24T00:26:44Z", "ms": -1930951996104.5044 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1908-10-24", "window": { "start": { "local": "1908-10-24T17:54:38-04:56", "utc": "1908-10-24T22:50:38Z", "ms": -1930871362180.236 }, "end": { "local": "1908-10-24T19:30:33-04:56", "utc": "1908-10-25T00:26:33Z", "ms": -1930865607258.9658 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 00:48 on Sat 24 Oct to 01:49 on Sun 25 Oct.", "fact": "1908-10-24T05:44:55Z → 1908-10-25T06:46:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:30 on the 23rd, 17:54–19:30 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 96 minutes on the 23rd and 96 of 96 on the 24th.", "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 19091 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Cali, 1908: Saturday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-24", "confidence": "determinate" } ], "quote": "In Cali, Lakṣmī Pūjā (Diwali) 1908 falls on Saturday 24 October. Amāvasyā runs from 00:48 on Sat 24 Oct to 01:49 on Sun 25 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1829, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1908-10-24T00:48:55-04:56", "utc": "1908-10-24T05:44:55Z", "ms": -1930932905146.5144 }, "end": { "local": "1908-10-25T01:50:19-04:56", "utc": "1908-10-25T06:46:19Z", "ms": -1930842821235.949 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-24T00:48:55-04:56", "utc": "1908-10-24T05:44:55Z", "ms": -1930932905146.5144 }, "end": { "local": "1908-10-25T01:50:19-04:56", "utc": "1908-10-25T06:46:19Z", "ms": -1930842821235.949 } }, "kaala": "nishita", "days": [ { "local_date": "1908-10-23", "window": { "start": { "local": "1908-10-23T23:30:26-04:56", "utc": "1908-10-24T04:26:26Z", "ms": -1930937613853.6875 }, "end": { "local": "1908-10-24T00:18:26-04:56", "utc": "1908-10-24T05:14:26Z", "ms": -1930934733853.6875 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-10-24", "window": { "start": { "local": "1908-10-24T23:30:19-04:56", "utc": "1908-10-25T04:26:19Z", "ms": -1930851221225.4727 }, "end": { "local": "1908-10-25T00:18:19-04:56", "utc": "1908-10-25T05:14:19Z", "ms": -1930848341225.4727 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 00:48 on Sat 24 Oct to 01:49 on Sun 25 Oct.", "fact": "1908-10-24T05:44:55Z → 1908-10-25T06:46:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:29–00:17 on the 23rd, 23:29–00:17 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1829 s" }, { "step": "ruling", "text": "Kālī Pūjā, Cali, 1908: Saturday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-24", "confidence": "determinate" } ], "quote": "In Cali, Kālī Pūjā 1908 falls on Saturday 24 October. Amāvasyā runs from 00:48 on Sat 24 Oct to 01:49 on Sun 25 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32636, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1908-10-25T01:50:19-04:56", "utc": "1908-10-25T06:46:19Z", "ms": -1930842821235.949 }, "end": { "local": "1908-10-26T02:26:10-04:56", "utc": "1908-10-26T07:22:10Z", "ms": -1930754269772.1226 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-25T01:50:19-04:56", "utc": "1908-10-25T06:46:19Z", "ms": -1930842821235.949 }, "end": { "local": "1908-10-26T02:26:10-04:56", "utc": "1908-10-26T07:22:10Z", "ms": -1930754269772.1226 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-10-25", "window": { "start": { "local": "1908-10-25T11:30:13-04:56", "utc": "1908-10-25T16:26:13Z", "ms": -1930808027116.5947 }, "end": { "local": "1908-10-25T12:18:13-04:56", "utc": "1908-10-25T17:14:13Z", "ms": -1930805147116.5947 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-10-26", "window": { "start": { "local": "1908-10-26T11:30:07-04:56", "utc": "1908-10-26T16:26:07Z", "ms": -1930721633396.1177 }, "end": { "local": "1908-10-26T12:18:07-04:56", "utc": "1908-10-26T17:14:07Z", "ms": -1930718753396.1177 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 01:49 on Sun 25 Oct to 02:25 on Mon 26 Oct.", "fact": "1908-10-25T06:46:19Z → 1908-10-26T07:22:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 25th, 11:29–12:17 on the 26th.", "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 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32636 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Cali, 1908: Sunday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-25", "confidence": "determinate" } ], "quote": "In Cali, Govardhana Pūjā 1908 falls on Sunday 25 October. Pratipadā runs from 01:49 on Sun 25 Oct to 02:25 on Mon 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22786, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1908-10-25T01:50:19-04:56", "utc": "1908-10-25T06:46:19Z", "ms": -1930842821235.949 }, "end": { "local": "1908-10-26T02:26:10-04:56", "utc": "1908-10-26T07:22:10Z", "ms": -1930754269772.1226 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-25T01:50:19-04:56", "utc": "1908-10-25T06:46:19Z", "ms": -1930842821235.949 }, "end": { "local": "1908-10-26T02:26:10-04:56", "utc": "1908-10-26T07:22:10Z", "ms": -1930754269772.1226 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-10-24", "window": { "start": { "local": "1908-10-24T17:54:38-04:56", "utc": "1908-10-24T22:50:38Z", "ms": -1930871362180.236 }, "end": { "local": "1908-10-24T19:30:33-04:56", "utc": "1908-10-25T00:26:33Z", "ms": -1930865607258.9658 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1908-10-25", "window": { "start": { "local": "1908-10-25T17:54:26-04:56", "utc": "1908-10-25T22:50:26Z", "ms": -1930784973962.4807 }, "end": { "local": "1908-10-25T19:30:22-04:56", "utc": "1908-10-26T00:26:22Z", "ms": -1930779217675.0598 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 01:49 on Sun 25 Oct to 02:25 on Mon 26 Oct.", "fact": "1908-10-25T06:46:19Z → 1908-10-26T07:22:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:30 on the 24th, 17:53–19:29 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 96 minutes on the 24th and 96 of 96 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22786 s" }, { "step": "ruling", "text": "Bali Pūjā, Cali, 1908: Sunday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-25", "confidence": "determinate" } ], "quote": "In Cali, Bali Pūjā 1908 falls on Sunday 25 October. Pratipadā runs from 01:49 on Sun 25 Oct to 02:25 on Mon 26 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12468, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1908-10-25T01:50:19-04:56", "utc": "1908-10-25T06:46:19Z", "ms": -1930842821235.949 }, "end": { "local": "1908-10-26T02:26:10-04:56", "utc": "1908-10-26T07:22:10Z", "ms": -1930754269772.1226 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-25T01:50:19-04:56", "utc": "1908-10-25T06:46:19Z", "ms": -1930842821235.949 }, "end": { "local": "1908-10-26T02:26:10-04:56", "utc": "1908-10-26T07:22:10Z", "ms": -1930754269772.1226 } }, "kaala": "purvahna", "days": [ { "local_date": "1908-10-25", "window": { "start": { "local": "1908-10-25T05:54:00-04:56", "utc": "1908-10-25T10:50:00Z", "ms": -1930828200270.709 }, "end": { "local": "1908-10-25T09:54:08-04:56", "utc": "1908-10-25T14:50:08Z", "ms": -1930813791501.2996 } }, "covered_min": 240, "window_min": 240, "qualifies": true }, { "local_date": "1908-10-26", "window": { "start": { "local": "1908-10-26T05:53:58-04:56", "utc": "1908-10-26T10:49:58Z", "ms": -1930741801806.8235 }, "end": { "local": "1908-10-26T09:54:04-04:56", "utc": "1908-10-26T14:50:04Z", "ms": -1930727396199.6863 } }, "covered_min": 0, "window_min": 240, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 01:49 on Sun 25 Oct to 02:25 on Mon 26 Oct.", "fact": "1908-10-25T06:46:19Z → 1908-10-26T07:22:10Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:53–09:53 on the 25th, 05:53–09:53 on the 26th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 240 of 240 minutes on the 25th and 0 of 240 on the 26th.", "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 12468 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Cali, 1908: Sunday 25 October.", "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": "1908-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-25", "confidence": "determinate" } ], "quote": "In Cali, Dyūta Pratipad 1908 falls on Sunday 25 October. Pratipadā runs from 01:49 on Sun 25 Oct to 02:25 on Mon 26 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31915, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1908-10-26T02:26:10-04:56", "utc": "1908-10-26T07:22:10Z", "ms": -1930754269772.1226 }, "end": { "local": "1908-10-27T02:38:06-04:56", "utc": "1908-10-27T07:34:06Z", "ms": -1930667153561.6238 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-26T02:26:10-04:56", "utc": "1908-10-26T07:22:10Z", "ms": -1930754269772.1226 }, "end": { "local": "1908-10-27T02:38:06-04:56", "utc": "1908-10-27T07:34:06Z", "ms": -1930667153561.6238 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-10-26", "window": { "start": { "local": "1908-10-26T11:30:07-04:56", "utc": "1908-10-26T16:26:07Z", "ms": -1930721633396.1177 }, "end": { "local": "1908-10-26T12:18:07-04:56", "utc": "1908-10-26T17:14:07Z", "ms": -1930718753396.1177 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-10-27", "window": { "start": { "local": "1908-10-27T11:30:01-04:56", "utc": "1908-10-27T16:26:01Z", "ms": -1930635238947.6338 }, "end": { "local": "1908-10-27T12:18:01-04:56", "utc": "1908-10-27T17:14:01Z", "ms": -1930632358947.6338 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 02:25 on Mon 26 Oct to 02:37 on Tue 27 Oct.", "fact": "1908-10-26T07:22:10Z → 1908-10-27T07:34:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 26th, 11:29–12:17 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "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 31915 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Cali, 1908: Monday 26 October.", "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": "1908-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-26", "confidence": "determinate" } ], "quote": "In Cali, Yama Dvitīyā (Bhai Dooj) 1908 falls on Monday 26 October. Dvitīyā runs from 02:25 on Mon 26 Oct to 02:37 on Tue 27 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32536, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-10-28T02:27:41-04:56", "utc": "1908-10-28T07:23:41Z", "ms": -1930581379272.3975 }, "end": { "local": "1908-10-29T01:55:55-04:56", "utc": "1908-10-29T06:51:55Z", "ms": -1930496885208.242 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-28T02:27:41-04:56", "utc": "1908-10-28T07:23:41Z", "ms": -1930581379272.3975 }, "end": { "local": "1908-10-29T01:55:55-04:56", "utc": "1908-10-29T06:51:55Z", "ms": -1930496885208.242 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-10-28", "window": { "start": { "local": "1908-10-28T11:29:56-04:56", "utc": "1908-10-28T16:25:56Z", "ms": -1930548843762.1477 }, "end": { "local": "1908-10-28T12:17:56-04:56", "utc": "1908-10-28T17:13:56Z", "ms": -1930545963762.1477 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-10-29", "window": { "start": { "local": "1908-10-29T11:29:52-04:56", "utc": "1908-10-29T16:25:52Z", "ms": -1930462447831.108 }, "end": { "local": "1908-10-29T12:17:52-04:56", "utc": "1908-10-29T17:13:52Z", "ms": -1930459567831.108 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:27 on Wed 28 Oct to 01:55 on Thu 29 Oct.", "fact": "1908-10-28T07:23:41Z → 1908-10-29T06:51:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 28th, 11:29–12:17 on the 29th.", "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 28th and 0 of 48 on the 29th.", "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 32536 s" }, { "step": "ruling", "text": "Nāga Caturthī, Cali, 1908: Wednesday 28 October.", "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": "1908-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-28", "confidence": "determinate" } ], "quote": "In Cali, Nāga Caturthī 1908 falls on Wednesday 28 October. Caturthī runs from 02:27 on Wed 28 Oct to 01:55 on Thu 29 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/vinayaka-chaturthi?on=1908-10-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32536, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-10-28T02:27:41-04:56", "utc": "1908-10-28T07:23:41Z", "ms": -1930581379272.3975 }, "end": { "local": "1908-10-29T01:55:55-04:56", "utc": "1908-10-29T06:51:55Z", "ms": -1930496885208.242 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-28T02:27:41-04:56", "utc": "1908-10-28T07:23:41Z", "ms": -1930581379272.3975 }, "end": { "local": "1908-10-29T01:55:55-04:56", "utc": "1908-10-29T06:51:55Z", "ms": -1930496885208.242 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-10-28", "window": { "start": { "local": "1908-10-28T11:29:56-04:56", "utc": "1908-10-28T16:25:56Z", "ms": -1930548843762.1477 }, "end": { "local": "1908-10-28T12:17:56-04:56", "utc": "1908-10-28T17:13:56Z", "ms": -1930545963762.1477 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-10-29", "window": { "start": { "local": "1908-10-29T11:29:52-04:56", "utc": "1908-10-29T16:25:52Z", "ms": -1930462447831.108 }, "end": { "local": "1908-10-29T12:17:52-04:56", "utc": "1908-10-29T17:13:52Z", "ms": -1930459567831.108 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:27 on Wed 28 Oct to 01:55 on Thu 29 Oct.", "fact": "1908-10-28T07:23:41Z → 1908-10-29T06:51:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 28th, 11:29–12:17 on the 29th.", "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 28th and 0 of 48 on the 29th.", "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 32536 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cali, 1908: Wednesday 28 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": "1908-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-28", "confidence": "determinate" } ], "quote": "In Cali, Vināyaka Caturthī 1908 falls on Wednesday 28 October. Caturthī runs from 02:27 on Wed 28 Oct to 01:55 on Thu 29 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/vinayaka-chaturthi?on=1908-10-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37596, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1908-10-30T01:03:13-04:56", "utc": "1908-10-30T05:59:13Z", "ms": -1930413647429.9875 }, "end": { "local": "1908-10-30T23:49:34-04:56", "utc": "1908-10-31T04:45:34Z", "ms": -1930331666128.8523 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-30T01:03:13-04:56", "utc": "1908-10-30T05:59:13Z", "ms": -1930413647429.9875 }, "end": { "local": "1908-10-30T23:49:34-04:56", "utc": "1908-10-31T04:45:34Z", "ms": -1930331666128.8523 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-10-30", "window": { "start": { "local": "1908-10-30T11:29:49-04:56", "utc": "1908-10-30T16:25:49Z", "ms": -1930376051146.212 }, "end": { "local": "1908-10-30T12:17:49-04:56", "utc": "1908-10-30T17:13:49Z", "ms": -1930373171146.212 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-10-31", "window": { "start": { "local": "1908-10-31T11:29:46-04:56", "utc": "1908-10-31T16:25:46Z", "ms": -1930289653699.1973 }, "end": { "local": "1908-10-31T12:17:46-04:56", "utc": "1908-10-31T17:13:46Z", "ms": -1930286773699.1973 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:02 on Fri 30 Oct to 23:49 on Fri 30 Oct.", "fact": "1908-10-30T05:59:13Z → 1908-10-31T04:45:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 30th, 11:29–12:17 on the 31st.", "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 30th and 0 of 48 on the 31st.", "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 37596 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Cali, 1908: Friday 30 October.", "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": "1908-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-10-30", "confidence": "determinate" } ], "quote": "In Cali, Sūrya Ṣaṣṭhī (Chhath) 1908 falls on Friday 30 October. Ṣaṣṭhī runs from 01:02 on Fri 30 Oct to 23:49 on Fri 30 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28953, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1908-10-31T22:15:02-04:56", "utc": "1908-11-01T03:11:02Z", "ms": -1930250937885.7786 }, "end": { "local": "1908-11-01T20:20:18-04:56", "utc": "1908-11-02T01:16:18Z", "ms": -1930171422290.2822 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-10-31T22:15:02-04:56", "utc": "1908-11-01T03:11:02Z", "ms": -1930250937885.7786 }, "end": { "local": "1908-11-01T20:20:18-04:56", "utc": "1908-11-02T01:16:18Z", "ms": -1930171422290.2822 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-10-31", "window": { "start": { "local": "1908-10-31T11:29:46-04:56", "utc": "1908-10-31T16:25:46Z", "ms": -1930289653699.1973 }, "end": { "local": "1908-10-31T12:17:46-04:56", "utc": "1908-10-31T17:13:46Z", "ms": -1930286773699.1973 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-11-01", "window": { "start": { "local": "1908-11-01T11:29:45-04:56", "utc": "1908-11-01T16:25:45Z", "ms": -1930203255481.6438 }, "end": { "local": "1908-11-01T12:17:45-04:56", "utc": "1908-11-01T17:13:45Z", "ms": -1930200375481.6438 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:14 on Sat 31 Oct to 20:19 on Sun 1 Nov.", "fact": "1908-11-01T03:11:02Z → 1908-11-02T01:16:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 31st, 11:29–12:17 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28953 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Cali, 1908: Sunday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1908-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-01", "confidence": "determinate" } ], "quote": "In Cali, Gopāṣṭamī 1908 falls on Sunday 1 November. Aṣṭamī runs from 22:14 on Sat 31 Oct to 20:19 on Sun 1 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29597, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1908-11-01T20:20:18-04:56", "utc": "1908-11-02T01:16:18Z", "ms": -1930171422290.2822 }, "end": { "local": "1908-11-02T18:07:08-04:56", "utc": "1908-11-02T23:03:08Z", "ms": -1930093011964.906 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-11-01T20:20:18-04:56", "utc": "1908-11-02T01:16:18Z", "ms": -1930171422290.2822 }, "end": { "local": "1908-11-02T18:07:08-04:56", "utc": "1908-11-02T23:03:08Z", "ms": -1930093011964.906 } }, "kaala": "purvahna", "days": [ { "local_date": "1908-11-01", "window": { "start": { "local": "1908-11-01T05:54:04-04:56", "utc": "1908-11-01T10:50:04Z", "ms": -1930223396368.8074 }, "end": { "local": "1908-11-01T09:53:51-04:56", "utc": "1908-11-01T14:49:51Z", "ms": -1930209009110.6982 } }, "covered_min": 0, "window_min": 240, "qualifies": false }, { "local_date": "1908-11-02", "window": { "start": { "local": "1908-11-02T05:54:07-04:56", "utc": "1908-11-02T10:50:07Z", "ms": -1930136992955.4917 }, "end": { "local": "1908-11-02T09:53:51-04:56", "utc": "1908-11-02T14:49:51Z", "ms": -1930122608641.6987 } }, "covered_min": 240, "window_min": 240, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 20:19 on Sun 1 Nov to 18:06 on Mon 2 Nov.", "fact": "1908-11-02T01:16:18Z → 1908-11-02T23:03:08Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:53–09:53 on the 1st, 05:53–09:53 on the 2nd.", "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 240 minutes on the 1st and 240 of 240 on the 2nd.", "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 29597 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Cali, 1908: Monday 2 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": "1908-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-02", "confidence": "determinate" } ], "quote": "In Cali, Akṣaya Navamī (Amla Navami) 1908 falls on Monday 2 November. Navamī runs from 20:19 on Sun 1 Nov to 18:06 on Mon 2 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20965, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1908-11-01T20:20:18-04:56", "utc": "1908-11-02T01:16:18Z", "ms": -1930171422290.2822 }, "end": { "local": "1908-11-02T18:07:08-04:56", "utc": "1908-11-02T23:03:08Z", "ms": -1930093011964.906 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-11-01T20:20:18-04:56", "utc": "1908-11-02T01:16:18Z", "ms": -1930171422290.2822 }, "end": { "local": "1908-11-02T18:07:08-04:56", "utc": "1908-11-02T23:03:08Z", "ms": -1930093011964.906 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-11-01", "window": { "start": { "local": "1908-11-01T11:29:45-04:56", "utc": "1908-11-01T16:25:45Z", "ms": -1930203255481.6438 }, "end": { "local": "1908-11-01T12:17:45-04:56", "utc": "1908-11-01T17:13:45Z", "ms": -1930200375481.6438 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-11-02", "window": { "start": { "local": "1908-11-02T11:29:44-04:56", "utc": "1908-11-02T16:25:44Z", "ms": -1930116856484.8022 }, "end": { "local": "1908-11-02T12:17:44-04:56", "utc": "1908-11-02T17:13:44Z", "ms": -1930113976484.8022 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 20:19 on Sun 1 Nov to 18:06 on Mon 2 Nov.", "fact": "1908-11-02T01:16:18Z → 1908-11-02T23:03:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 1st, 11:29–12:17 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20965 s" }, { "step": "ruling", "text": "Durgā Navamī, Cali, 1908: Monday 2 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": "1908-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-02", "confidence": "determinate" } ], "quote": "In Cali, Durgā Navamī 1908 falls on Monday 2 November. Navamī runs from 20:19 on Sun 1 Nov to 18:06 on Mon 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-11-04", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25546, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-11-03T15:38:47-04:56", "utc": "1908-11-03T20:34:47Z", "ms": -1930015512822.8433 }, "end": { "local": "1908-11-04T13:00:03-04:56", "utc": "1908-11-04T17:56:03Z", "ms": -1929938637443.9065 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-11-03T15:38:47-04:56", "utc": "1908-11-03T20:34:47Z", "ms": -1930015512822.8433 }, "end": { "local": "1908-11-04T13:00:03-04:56", "utc": "1908-11-04T17:56:03Z", "ms": -1929938637443.9065 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-11-03", "window": { "start": { "local": "1908-11-03T05:54:11-04:56", "utc": "1908-11-03T10:50:11Z", "ms": -1930050588807.031 }, "end": { "local": "1908-11-03T05:54:11-04:56", "utc": "1908-11-03T10:50:11Z", "ms": -1930050588807.031 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-11-04", "window": { "start": { "local": "1908-11-04T05:54:16-04:56", "utc": "1908-11-04T10:50:16Z", "ms": -1929964183915.4822 }, "end": { "local": "1908-11-04T05:54:16-04:56", "utc": "1908-11-04T10:50:16Z", "ms": -1929964183915.4822 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:38 on Tue 3 Nov to 12:59 on Wed 4 Nov.", "fact": "1908-11-03T20:34:47Z → 1908-11-04T17:56:03Z" }, { "step": "kaala", "text": "Sunrise is at 05:53 on the 3rd and 05:53 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25546 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Cali, 1908: Wednesday 4 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": "1908-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-04", "confidence": "determinate" } ], "quote": "In Cali, Prabodhinī Ekādaśī 1908 falls on Wednesday 4 November. Ekādaśī runs from 15:38 on Tue 3 Nov to 12:59 on Wed 4 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-11-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-11-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27360, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-11-05T10:17:09-04:56", "utc": "1908-11-05T15:13:09Z", "ms": -1929862010766.082 }, "end": { "local": "1908-11-06T07:37:35-04:56", "utc": "1908-11-06T12:33:35Z", "ms": -1929785185375.8367 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-11-05T10:17:09-04:56", "utc": "1908-11-05T15:13:09Z", "ms": -1929862010766.082 }, "end": { "local": "1908-11-06T07:37:35-04:56", "utc": "1908-11-06T12:33:35Z", "ms": -1929785185375.8367 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-11-05", "window": { "start": { "local": "1908-11-05T17:53:09-04:56", "utc": "1908-11-05T22:49:09Z", "ms": -1929834651176.1936 }, "end": { "local": "1908-11-05T19:29:19-04:56", "utc": "1908-11-06T00:25:19Z", "ms": -1929828880601.9475 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1908-11-06", "window": { "start": { "local": "1908-11-06T17:53:07-04:56", "utc": "1908-11-06T22:49:07Z", "ms": -1929748253159.1995 }, "end": { "local": "1908-11-06T19:29:19-04:56", "utc": "1908-11-07T00:25:19Z", "ms": -1929742481364.3232 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:16 on Thu 5 Nov to 07:37 on Fri 6 Nov.", "fact": "1908-11-05T15:13:09Z → 1908-11-06T12:33:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:52–19:28 on the 5th, 17:52–19:28 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 5th and 0 of 96 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27360 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cali, 1908: Thursday 5 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": "1908-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-05", "confidence": "determinate" } ], "quote": "In Cali, Śukla Pradoṣa Vrata 1908 falls on Thursday 5 November. Trayodaśī runs from 10:16 on Thu 5 Nov to 07:37 on Fri 6 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22814, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-11-07T05:09:36-04:56", "utc": "1908-11-07T10:05:36Z", "ms": -1929707663828.371 }, "end": { "local": "1908-11-08T03:01:53-04:56", "utc": "1908-11-08T07:57:53Z", "ms": -1929628926928.726 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-11-07T05:09:36-04:56", "utc": "1908-11-07T10:05:36Z", "ms": -1929707663828.371 }, "end": { "local": "1908-11-08T03:01:53-04:56", "utc": "1908-11-08T07:57:53Z", "ms": -1929628926928.726 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-11-07", "window": { "start": { "local": "1908-11-07T11:29:51-04:56", "utc": "1908-11-07T16:25:51Z", "ms": -1929684849475.8647 }, "end": { "local": "1908-11-07T12:17:51-04:56", "utc": "1908-11-07T17:13:51Z", "ms": -1929681969475.8647 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-11-08", "window": { "start": { "local": "1908-11-08T11:29:54-04:56", "utc": "1908-11-08T16:25:54Z", "ms": -1929598445599.7559 }, "end": { "local": "1908-11-08T12:17:54-04:56", "utc": "1908-11-08T17:13:54Z", "ms": -1929595565599.7559 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:09 on Sat 7 Nov to 03:01 on Sun 8 Nov.", "fact": "1908-11-07T10:05:36Z → 1908-11-08T07:57:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 7th, 11:29–12:17 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22814 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Cali, 1908: Saturday 7 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": "1908-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-07", "confidence": "determinate" } ], "quote": "In Cali, Kārtikī Pūrṇimā 1908 falls on Saturday 7 November. Pūrṇimā runs from 05:09 on Sat 7 Nov to 03:01 on Sun 8 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9839, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-11-07T05:09:36-04:56", "utc": "1908-11-07T10:05:36Z", "ms": -1929707663828.371 }, "end": { "local": "1908-11-08T03:01:53-04:56", "utc": "1908-11-08T07:57:53Z", "ms": -1929628926928.726 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1908-11-07T05:09:36-04:56", "utc": "1908-11-07T10:05:36Z", "ms": -1929707663828.371 }, "end": { "local": "1908-11-08T03:01:53-04:56", "utc": "1908-11-08T07:57:53Z", "ms": -1929628926928.726 } }, "kaala": "nishita", "days": [ { "local_date": "1908-11-06", "window": { "start": { "local": "1908-11-06T23:29:51-04:56", "utc": "1908-11-07T04:25:51Z", "ms": -1929728048928.4136 }, "end": { "local": "1908-11-07T00:17:51-04:56", "utc": "1908-11-07T05:13:51Z", "ms": -1929725168928.4136 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-11-07", "window": { "start": { "local": "1908-11-07T23:29:54-04:56", "utc": "1908-11-08T04:25:54Z", "ms": -1929641645501.7124 }, "end": { "local": "1908-11-08T00:17:54-04:56", "utc": "1908-11-08T05:13:54Z", "ms": -1929638765501.7124 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:09 on Sat 7 Nov to 03:01 on Sun 8 Nov.", "fact": "1908-11-07T10:05:36Z → 1908-11-08T07:57:53Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:29–00:17 on the 6th, 23:29–00:17 on the 7th.", "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 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9839 s" }, { "step": "ruling", "text": "Rāsayātrā, Cali, 1908: Saturday 7 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": "1908-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-07", "confidence": "determinate" } ], "quote": "In Cali, Rāsayātrā 1908 falls on Saturday 7 November. Pūrṇimā runs from 05:09 on Sat 7 Nov to 03:01 on Sun 8 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/sankashta-chaturthi?on=1908-11-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11704, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-11-10T23:59:00-04:56", "utc": "1908-11-11T04:55:00Z", "ms": -1929380699765.9783 }, "end": { "local": "1908-11-12T00:22:42-04:56", "utc": "1908-11-12T05:18:42Z", "ms": -1929292877867.683 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-11-10T23:59:00-04:56", "utc": "1908-11-11T04:55:00Z", "ms": -1929380699765.9783 }, "end": { "local": "1908-11-12T00:22:42-04:56", "utc": "1908-11-12T05:18:42Z", "ms": -1929292877867.683 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-11-10", "window": { "start": { "local": "1908-11-10T20:13:56-04:56", "utc": "1908-11-11T01:09:56Z", "ms": -1929394204112.9473 }, "end": { "local": "1908-11-10T20:13:56-04:56", "utc": "1908-11-11T01:09:56Z", "ms": -1929394204112.9473 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-11-11", "window": { "start": { "local": "1908-11-11T21:07:38-04:56", "utc": "1908-11-12T02:03:38Z", "ms": -1929304582091.2485 }, "end": { "local": "1908-11-11T21:07:38-04:56", "utc": "1908-11-12T02:03:38Z", "ms": -1929304582091.2485 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:58 on Tue 10 Nov to 00:22 on Thu 12 Nov.", "fact": "1908-11-11T04:55:00Z → 1908-11-12T05:18:42Z" }, { "step": "kaala", "text": "Moonrise is at 20:13 on the 10th and 21:07 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 10th and is on the 11th.", "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 11704 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cali, 1908: Wednesday 11 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": "1908-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-11", "confidence": "determinate" } ], "quote": "In Cali, Saṅkaṣṭa Caturthī 1908 falls on Wednesday 11 November. Caturthī runs from 23:58 on Tue 10 Nov to 00:22 on Thu 12 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/sankashta-chaturthi?on=1908-11-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/ekadashi?on=1908-11-19", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24868, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-11-18T12:51:14-04:56", "utc": "1908-11-18T17:47:14Z", "ms": -1928729565946.2717 }, "end": { "local": "1908-11-19T14:46:08-04:56", "utc": "1908-11-19T19:42:08Z", "ms": -1928636272048.1677 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-11-18T12:51:14-04:56", "utc": "1908-11-18T17:47:14Z", "ms": -1928729565946.2717 }, "end": { "local": "1908-11-19T14:46:08-04:56", "utc": "1908-11-19T19:42:08Z", "ms": -1928636272048.1677 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-11-18", "window": { "start": { "local": "1908-11-18T05:56:46-04:56", "utc": "1908-11-18T10:52:46Z", "ms": -1928754433766.5344 }, "end": { "local": "1908-11-18T05:56:46-04:56", "utc": "1908-11-18T10:52:46Z", "ms": -1928754433766.5344 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-11-19", "window": { "start": { "local": "1908-11-19T05:57:03-04:56", "utc": "1908-11-19T10:53:03Z", "ms": -1928668017154.4854 }, "end": { "local": "1908-11-19T05:57:03-04:56", "utc": "1908-11-19T10:53:03Z", "ms": -1928668017154.4854 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:50 on Wed 18 Nov to 14:45 on Thu 19 Nov.", "fact": "1908-11-18T17:47:14Z → 1908-11-19T19:42:08Z" }, { "step": "kaala", "text": "Sunrise is at 05:56 on the 18th and 05:56 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24868 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Cali, 1908: Thursday 19 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": "1908-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-19", "confidence": "determinate" } ], "quote": "In Cali, Utpannā Ekādaśī 1908 falls on Thursday 19 November. Ekādaśī runs from 12:50 on Wed 18 Nov to 14:45 on Thu 19 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-11-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-11-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3317, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-11-20T16:09:54-04:56", "utc": "1908-11-20T21:05:54Z", "ms": -1928544846301.324 }, "end": { "local": "1908-11-21T16:59:10-04:56", "utc": "1908-11-21T21:55:10Z", "ms": -1928455490066.998 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-11-20T16:09:54-04:56", "utc": "1908-11-20T21:05:54Z", "ms": -1928544846301.324 }, "end": { "local": "1908-11-21T16:59:10-04:56", "utc": "1908-11-21T21:55:10Z", "ms": -1928455490066.998 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-11-20", "window": { "start": { "local": "1908-11-20T17:54:15-04:56", "utc": "1908-11-20T22:50:15Z", "ms": -1928538584688.9468 }, "end": { "local": "1908-11-20T19:30:42-04:56", "utc": "1908-11-21T00:26:42Z", "ms": -1928532797620.0215 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1908-11-21", "window": { "start": { "local": "1908-11-21T17:54:27-04:56", "utc": "1908-11-21T22:50:27Z", "ms": -1928452172875.5935 }, "end": { "local": "1908-11-21T19:30:55-04:56", "utc": "1908-11-22T00:26:55Z", "ms": -1928446384869.216 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:09 on Fri 20 Nov to 16:58 on Sat 21 Nov.", "fact": "1908-11-20T21:05:54Z → 1908-11-21T21:55:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:30 on the 20th, 17:53–19:30 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 20th and 0 of 96 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3317 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cali, 1908: Friday 20 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": "1908-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-20", "confidence": "determinate" } ], "quote": "In Cali, Kṛṣṇa Pradoṣa Vrata 1908 falls on Friday 20 November. Trayodaśī runs from 16:09 on Fri 20 Nov to 16:58 on Sat 21 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shivaratri?on=1908-11-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22710, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-11-21T16:59:10-04:56", "utc": "1908-11-21T21:55:10Z", "ms": -1928455490066.998 }, "end": { "local": "1908-11-22T17:13:58-04:56", "utc": "1908-11-22T22:09:58Z", "ms": -1928368202152.1619 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-11-21T16:59:10-04:56", "utc": "1908-11-21T21:55:10Z", "ms": -1928455490066.998 }, "end": { "local": "1908-11-22T17:13:58-04:56", "utc": "1908-11-22T22:09:58Z", "ms": -1928368202152.1619 } }, "kaala": "nishita", "days": [ { "local_date": "1908-11-21", "window": { "start": { "local": "1908-11-21T23:32:12-04:56", "utc": "1908-11-22T04:28:12Z", "ms": -1928431907851.6777 }, "end": { "local": "1908-11-22T00:20:12-04:56", "utc": "1908-11-22T05:16:12Z", "ms": -1928429027851.6777 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-11-22", "window": { "start": { "local": "1908-11-22T23:32:28-04:56", "utc": "1908-11-23T04:28:28Z", "ms": -1928345491718.7095 }, "end": { "local": "1908-11-23T00:20:28-04:56", "utc": "1908-11-23T05:16:28Z", "ms": -1928342611718.7095 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:58 on Sat 21 Nov to 17:13 on Sun 22 Nov.", "fact": "1908-11-21T21:55:10Z → 1908-11-22T22:09:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:31–00:19 on the 21st, 23:31–00:19 on the 22nd.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22710 s" }, { "step": "ruling", "text": "Śivarātri, Cali, 1908: Saturday 21 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": "1908-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-21", "confidence": "determinate" } ], "quote": "In Cali, Śivarātri 1908 falls on Saturday 21 November. Caturdaśī runs from 16:58 on Sat 21 Nov to 17:13 on Sun 22 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/shivaratri?on=1908-11-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1119, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1908-11-27T11:52:28-04:56", "utc": "1908-11-27T16:48:28Z", "ms": -1927955491809.5881 }, "end": { "local": "1908-11-28T09:59:05-04:56", "utc": "1908-11-28T14:55:05Z", "ms": -1927875894675.749 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-11-27T11:52:28-04:56", "utc": "1908-11-27T16:48:28Z", "ms": -1927955491809.5881 }, "end": { "local": "1908-11-28T09:59:05-04:56", "utc": "1908-11-28T14:55:05Z", "ms": -1927875894675.749 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-11-27", "window": { "start": { "local": "1908-11-27T11:33:49-04:56", "utc": "1908-11-27T16:29:49Z", "ms": -1927956610999.325 }, "end": { "local": "1908-11-27T12:21:49-04:56", "utc": "1908-11-27T17:17:49Z", "ms": -1927953730999.325 } }, "covered_min": 29, "window_min": 48, "qualifies": true }, { "local_date": "1908-11-28", "window": { "start": { "local": "1908-11-28T11:34:09-04:56", "utc": "1908-11-28T16:30:09Z", "ms": -1927870190707.0217 }, "end": { "local": "1908-11-28T12:22:09-04:56", "utc": "1908-11-28T17:18:09Z", "ms": -1927867310707.0217 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:51 on Fri 27 Nov to 09:58 on Sat 28 Nov.", "fact": "1908-11-27T16:48:28Z → 1908-11-28T14:55:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 27th, 11:33–12:21 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 29 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: paraviddha → only-day · margin 1119 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Cali, 1908: Friday 27 November.", "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": "1908-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-27", "confidence": "determinate" } ], "quote": "In Cali, Nāga Pañcamī (Mārgaśīrṣa) 1908 falls on Friday 27 November. Pañcamī runs from 11:51 on Fri 27 Nov to 09:58 on Sat 28 Nov and covers 29 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/vinayaka-chaturthi?on=1908-11-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1119, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-11-26T13:34:54-04:56", "utc": "1908-11-26T18:30:54Z", "ms": -1928035746110.5198 }, "end": { "local": "1908-11-27T11:52:28-04:56", "utc": "1908-11-27T16:48:28Z", "ms": -1927955491809.5881 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-11-26T13:34:54-04:56", "utc": "1908-11-26T18:30:54Z", "ms": -1928035746110.5198 }, "end": { "local": "1908-11-27T11:52:28-04:56", "utc": "1908-11-27T16:48:28Z", "ms": -1927955491809.5881 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-11-26", "window": { "start": { "local": "1908-11-26T11:33:29-04:56", "utc": "1908-11-26T16:29:29Z", "ms": -1928043030587.635 }, "end": { "local": "1908-11-26T12:21:29-04:56", "utc": "1908-11-26T17:17:29Z", "ms": -1928040150587.635 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-11-27", "window": { "start": { "local": "1908-11-27T11:33:49-04:56", "utc": "1908-11-27T16:29:49Z", "ms": -1927956610999.325 }, "end": { "local": "1908-11-27T12:21:49-04:56", "utc": "1908-11-27T17:17:49Z", "ms": -1927953730999.325 } }, "covered_min": 19, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:34 on Thu 26 Nov to 11:51 on Fri 27 Nov.", "fact": "1908-11-26T18:30:54Z → 1908-11-27T16:48:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 26th, 11:33–12:21 on the 27th.", "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 26th and 19 of 48 on the 27th.", "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 1119 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cali, 1908: Friday 27 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": "1908-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-27", "confidence": "determinate" } ], "quote": "In Cali, Vināyaka Caturthī 1908 falls on Friday 27 November. Caturthī runs from 13:34 on Thu 26 Nov to 11:51 on Fri 27 Nov and covers 19 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/vinayaka-chaturthi?on=1908-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5704, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1908-11-28T09:59:05-04:56", "utc": "1908-11-28T14:55:05Z", "ms": -1927875894675.749 }, "end": { "local": "1908-11-29T07:57:59-04:56", "utc": "1908-11-29T12:53:59Z", "ms": -1927796760826.8762 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-11-28T09:59:05-04:56", "utc": "1908-11-28T14:55:05Z", "ms": -1927875894675.749 }, "end": { "local": "1908-11-29T07:57:59-04:56", "utc": "1908-11-29T12:53:59Z", "ms": -1927796760826.8762 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-11-28", "window": { "start": { "local": "1908-11-28T11:34:09-04:56", "utc": "1908-11-28T16:30:09Z", "ms": -1927870190707.0217 }, "end": { "local": "1908-11-28T12:22:09-04:56", "utc": "1908-11-28T17:18:09Z", "ms": -1927867310707.0217 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-11-29", "window": { "start": { "local": "1908-11-29T11:34:30-04:56", "utc": "1908-11-29T16:30:30Z", "ms": -1927783769731.687 }, "end": { "local": "1908-11-29T12:22:30-04:56", "utc": "1908-11-29T17:18:30Z", "ms": -1927780889731.687 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:58 on Sat 28 Nov to 07:57 on Sun 29 Nov.", "fact": "1908-11-28T14:55:05Z → 1908-11-29T12:53:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 28th, 11:34–12:22 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "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 5704 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Cali, 1908: Saturday 28 November.", "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": "1908-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-28", "confidence": "determinate" } ], "quote": "In Cali, Campā Ṣaṣṭhī 1908 falls on Saturday 28 November. Ṣaṣṭhī runs from 09:58 on Sat 28 Nov to 07:57 on Sun 29 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5704, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1908-11-28T09:59:05-04:56", "utc": "1908-11-28T14:55:05Z", "ms": -1927875894675.749 }, "end": { "local": "1908-11-29T07:57:59-04:56", "utc": "1908-11-29T12:53:59Z", "ms": -1927796760826.8762 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-11-28T09:59:05-04:56", "utc": "1908-11-28T14:55:05Z", "ms": -1927875894675.749 }, "end": { "local": "1908-11-29T07:57:59-04:56", "utc": "1908-11-29T12:53:59Z", "ms": -1927796760826.8762 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-11-28", "window": { "start": { "local": "1908-11-28T11:34:09-04:56", "utc": "1908-11-28T16:30:09Z", "ms": -1927870190707.0217 }, "end": { "local": "1908-11-28T12:22:09-04:56", "utc": "1908-11-28T17:18:09Z", "ms": -1927867310707.0217 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-11-29", "window": { "start": { "local": "1908-11-29T11:34:30-04:56", "utc": "1908-11-29T16:30:30Z", "ms": -1927783769731.687 }, "end": { "local": "1908-11-29T12:22:30-04:56", "utc": "1908-11-29T17:18:30Z", "ms": -1927780889731.687 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:58 on Sat 28 Nov to 07:57 on Sun 29 Nov.", "fact": "1908-11-28T14:55:05Z → 1908-11-29T12:53:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 28th, 11:34–12:22 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "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 5704 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Cali, 1908: Saturday 28 November.", "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": "1908-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-28", "confidence": "determinate" } ], "quote": "In Cali, Skanda Ṣaṣṭhī 1908 falls on Saturday 28 November. Ṣaṣṭhī runs from 09:58 on Sat 28 Nov to 07:57 on Sun 29 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12991, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1908-11-29T07:57:59-04:56", "utc": "1908-11-29T12:53:59Z", "ms": -1927796760826.8762 }, "end": { "local": "1908-11-30T05:52:02-04:56", "utc": "1908-11-30T10:48:02Z", "ms": -1927717917618.8474 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-11-29T07:57:59-04:56", "utc": "1908-11-29T12:53:59Z", "ms": -1927796760826.8762 }, "end": { "local": "1908-11-30T05:52:02-04:56", "utc": "1908-11-30T10:48:02Z", "ms": -1927717917618.8474 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-11-29", "window": { "start": { "local": "1908-11-29T11:34:30-04:56", "utc": "1908-11-29T16:30:30Z", "ms": -1927783769731.687 }, "end": { "local": "1908-11-29T12:22:30-04:56", "utc": "1908-11-29T17:18:30Z", "ms": -1927780889731.687 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1908-11-30", "window": { "start": { "local": "1908-11-30T11:34:52-04:56", "utc": "1908-11-30T16:30:52Z", "ms": -1927697348094.2705 }, "end": { "local": "1908-11-30T12:22:52-04:56", "utc": "1908-11-30T17:18:52Z", "ms": -1927694468094.2705 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:57 on Sun 29 Nov to 05:51 on Mon 30 Nov.", "fact": "1908-11-29T12:53:59Z → 1908-11-30T10:48:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 29th, 11:34–12:22 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12991 s" }, { "step": "ruling", "text": "Mitra Saptamī, Cali, 1908: Sunday 29 November.", "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": "1908-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-11-29", "confidence": "determinate" } ], "quote": "In Cali, Mitra Saptamī 1908 falls on Sunday 29 November. Saptamī runs from 07:57 on Sun 29 Nov to 05:51 on Mon 30 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/ekadashi?on=1908-12-03", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23312, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-12-02T23:33:35-04:56", "utc": "1908-12-03T04:29:35Z", "ms": -1927481425142.2764 }, "end": { "local": "1908-12-03T21:38:14-04:56", "utc": "1908-12-04T02:34:14Z", "ms": -1927401946479.318 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-12-02T23:33:35-04:56", "utc": "1908-12-03T04:29:35Z", "ms": -1927481425142.2764 }, "end": { "local": "1908-12-03T21:38:14-04:56", "utc": "1908-12-04T02:34:14Z", "ms": -1927401946479.318 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-12-03", "window": { "start": { "local": "1908-12-03T06:02:07-04:56", "utc": "1908-12-03T10:58:07Z", "ms": -1927458112822.2651 }, "end": { "local": "1908-12-03T06:02:07-04:56", "utc": "1908-12-03T10:58:07Z", "ms": -1927458112822.2651 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-12-04", "window": { "start": { "local": "1908-12-04T06:02:33-04:56", "utc": "1908-12-04T10:58:33Z", "ms": -1927371686779.033 }, "end": { "local": "1908-12-04T06:02:33-04:56", "utc": "1908-12-04T10:58:33Z", "ms": -1927371686779.033 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:33 on Wed 2 Dec to 21:37 on Thu 3 Dec.", "fact": "1908-12-03T04:29:35Z → 1908-12-04T02:34:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:01 on the 3rd and 06:02 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23312 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Cali, 1908: Thursday 3 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": "1908-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-12-03", "confidence": "determinate" } ], "quote": "In Cali, Mokṣadā Ekādaśī 1908 falls on Thursday 3 December. Ekādaśī runs from 23:33 on Wed 2 Dec to 21:37 on Thu 3 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-12-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27038, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1908-12-03T21:38:14-04:56", "utc": "1908-12-04T02:34:14Z", "ms": -1927401946479.318 }, "end": { "local": "1908-12-04T19:55:03-04:56", "utc": "1908-12-05T00:51:03Z", "ms": -1927321737352.0068 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-12-03T21:38:14-04:56", "utc": "1908-12-04T02:34:14Z", "ms": -1927401946479.318 }, "end": { "local": "1908-12-04T19:55:03-04:56", "utc": "1908-12-05T00:51:03Z", "ms": -1927321737352.0068 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-12-03", "window": { "start": { "local": "1908-12-03T11:36:01-04:56", "utc": "1908-12-03T16:32:01Z", "ms": -1927438079416.2417 }, "end": { "local": "1908-12-03T12:24:01-04:56", "utc": "1908-12-03T17:20:01Z", "ms": -1927435199416.2417 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-12-04", "window": { "start": { "local": "1908-12-04T11:36:25-04:56", "utc": "1908-12-04T16:32:25Z", "ms": -1927351655336.4282 }, "end": { "local": "1908-12-04T12:24:25-04:56", "utc": "1908-12-04T17:20:25Z", "ms": -1927348775336.4282 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:37 on Thu 3 Dec to 19:54 on Fri 4 Dec.", "fact": "1908-12-04T02:34:14Z → 1908-12-05T00:51:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 3rd, 11:35–12:23 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27038 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Cali, 1908: Friday 4 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": "1908-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-12-04", "confidence": "determinate" } ], "quote": "In Cali, Akhaṇḍa Dvādaśī 1908 falls on Friday 4 December. Dvādaśī runs from 21:37 on Thu 3 Dec to 19:54 on Fri 4 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/pradosha-vrata?on=1908-12-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1209, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-12-04T19:55:03-04:56", "utc": "1908-12-05T00:51:03Z", "ms": -1927321737352.0068 }, "end": { "local": "1908-12-05T18:28:52-04:56", "utc": "1908-12-05T23:24:52Z", "ms": -1927240507508.306 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-12-04T19:55:03-04:56", "utc": "1908-12-05T00:51:03Z", "ms": -1927321737352.0068 }, "end": { "local": "1908-12-05T18:28:52-04:56", "utc": "1908-12-05T23:24:52Z", "ms": -1927240507508.306 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-12-04", "window": { "start": { "local": "1908-12-04T17:58:16-04:56", "utc": "1908-12-04T22:54:16Z", "ms": -1927328743893.8235 }, "end": { "local": "1908-12-04T19:34:54-04:56", "utc": "1908-12-05T00:30:54Z", "ms": -1927322946078.5315 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "1908-12-05", "window": { "start": { "local": "1908-12-05T17:58:39-04:56", "utc": "1908-12-05T22:54:39Z", "ms": -1927242321115.2468 }, "end": { "local": "1908-12-05T19:35:17-04:56", "utc": "1908-12-06T00:31:17Z", "ms": -1927236522745.849 } }, "covered_min": 30, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:54 on Fri 4 Dec to 18:28 on Sat 5 Dec.", "fact": "1908-12-05T00:51:03Z → 1908-12-05T23:24:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:34 on the 4th, 17:58–19:34 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 4th and 30 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 1209 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cali, 1908: Saturday 5 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": "1908-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-12-05", "confidence": "boundary" } ], "quote": "In Cali, Śukla Pradoṣa Vrata 1908 falls on Saturday 5 December. Trayodaśī runs from 19:54 on Fri 4 Dec to 18:28 on Sat 5 Dec and covers 30 of 97 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2052, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1908-12-06T17:24:50-04:56", "utc": "1908-12-06T22:20:50Z", "ms": -1927157950153.2922 }, "end": { "local": "1908-12-07T16:47:56-04:56", "utc": "1908-12-07T21:43:56Z", "ms": -1927073763872.7832 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-12-06T17:24:50-04:56", "utc": "1908-12-06T22:20:50Z", "ms": -1927157950153.2922 }, "end": { "local": "1908-12-07T16:47:56-04:56", "utc": "1908-12-07T21:43:56Z", "ms": -1927073763872.7832 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-12-06", "window": { "start": { "local": "1908-12-06T17:59:02-04:56", "utc": "1908-12-06T22:55:02Z", "ms": -1927155897694.2664 }, "end": { "local": "1908-12-06T19:35:41-04:56", "utc": "1908-12-07T00:31:41Z", "ms": -1927150098801.5234 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1908-12-07", "window": { "start": { "local": "1908-12-07T17:59:26-04:56", "utc": "1908-12-07T22:55:26Z", "ms": -1927069473651.4583 }, "end": { "local": "1908-12-07T19:36:06-04:56", "utc": "1908-12-08T00:32:06Z", "ms": -1927063674266.5315 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:24 on Sun 6 Dec to 16:47 on Mon 7 Dec.", "fact": "1908-12-06T22:20:50Z → 1908-12-07T21:43:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:35 on the 6th, 17:58–19:35 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 97 of 97 minutes on the 6th and 0 of 97 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2052 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Cali, 1908: Sunday 6 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": "1908-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-12-06", "confidence": "determinate" } ], "quote": "In Cali, Dattātreyotpatti (Datta Jayanti) 1908 falls on Sunday 6 December. Pūrṇimā runs from 17:24 on Sun 6 Dec to 16:47 on Mon 7 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/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": "/cali/festivals/1908/sankashta-chaturthi?on=1908-12-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5795, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-12-10T18:16:55-04:56", "utc": "1908-12-10T23:12:55Z", "ms": -1926809224949.1116 }, "end": { "local": "1908-12-11T19:55:38-04:56", "utc": "1908-12-12T00:51:38Z", "ms": -1926716901558.951 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-12-10T18:16:55-04:56", "utc": "1908-12-10T23:12:55Z", "ms": -1926809224949.1116 }, "end": { "local": "1908-12-11T19:55:38-04:56", "utc": "1908-12-12T00:51:38Z", "ms": -1926716901558.951 } }, "kaala": "moonrise", "days": [ { "local_date": "1908-12-10", "window": { "start": { "local": "1908-12-10T20:41:32-04:56", "utc": "1908-12-11T01:37:32Z", "ms": -1926800547505.4636 }, "end": { "local": "1908-12-10T20:41:32-04:56", "utc": "1908-12-11T01:37:32Z", "ms": -1926800547505.4636 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1908-12-11", "window": { "start": { "local": "1908-12-11T21:32:14-04:56", "utc": "1908-12-12T02:28:14Z", "ms": -1926711106388.4338 }, "end": { "local": "1908-12-11T21:32:14-04:56", "utc": "1908-12-12T02:28:14Z", "ms": -1926711106388.4338 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:16 on Thu 10 Dec to 19:55 on Fri 11 Dec.", "fact": "1908-12-10T23:12:55Z → 1908-12-12T00:51:38Z" }, { "step": "kaala", "text": "Moonrise is at 20:41 on the 10th and 21:31 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 10th and is not on the 11th.", "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 5795 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cali, 1908: Thursday 10 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": "1908-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-12-10", "confidence": "determinate" } ], "quote": "In Cali, Saṅkaṣṭa Caturthī 1908 falls on Thursday 10 December. Caturthī runs from 18:16 on Thu 10 Dec to 19:55 on Fri 11 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/sankashta-chaturthi?on=1908-12-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/ekadashi?on=1908-12-19", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10657, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1908-12-18T09:06:51-04:56", "utc": "1908-12-18T14:02:51Z", "ms": -1926151028728.8933 }, "end": { "local": "1908-12-19T10:01:40-04:56", "utc": "1908-12-19T14:57:40Z", "ms": -1926061340212.8196 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-12-18T09:06:51-04:56", "utc": "1908-12-18T14:02:51Z", "ms": -1926151028728.8933 }, "end": { "local": "1908-12-19T10:01:40-04:56", "utc": "1908-12-19T14:57:40Z", "ms": -1926061340212.8196 } }, "kaala": "sunrise", "days": [ { "local_date": "1908-12-18", "window": { "start": { "local": "1908-12-18T06:09:14-04:56", "utc": "1908-12-18T11:05:14Z", "ms": -1926161685560.4448 }, "end": { "local": "1908-12-18T06:09:14-04:56", "utc": "1908-12-18T11:05:14Z", "ms": -1926161685560.4448 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1908-12-19", "window": { "start": { "local": "1908-12-19T06:09:45-04:56", "utc": "1908-12-19T11:05:45Z", "ms": -1926075255430.2502 }, "end": { "local": "1908-12-19T06:09:45-04:56", "utc": "1908-12-19T11:05:45Z", "ms": -1926075255430.2502 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:06 on Fri 18 Dec to 10:01 on Sat 19 Dec.", "fact": "1908-12-18T14:02:51Z → 1908-12-19T14:57:40Z" }, { "step": "kaala", "text": "Sunrise is at 06:08 on the 18th and 06:09 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10657 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Cali, 1908: Saturday 19 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": "1908-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-12-19", "confidence": "determinate" } ], "quote": "In Cali, Saphalā Ekādaśī 1908 falls on Saturday 19 December. Ekādaśī runs from 09:06 on Fri 18 Dec to 10:01 on Sat 19 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/cali/festivals/1908/ekadashi?on=1908-12-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/pradosha-vrata?on=1908-12-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28289, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1908-12-20T10:13:55-04:56", "utc": "1908-12-20T15:09:55Z", "ms": -1925974204611.6672 }, "end": { "local": "1908-12-21T09:44:01-04:56", "utc": "1908-12-21T14:40:01Z", "ms": -1925889599437.7922 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-12-20T10:13:55-04:56", "utc": "1908-12-20T15:09:55Z", "ms": -1925974204611.6672 }, "end": { "local": "1908-12-21T09:44:01-04:56", "utc": "1908-12-21T14:40:01Z", "ms": -1925889599437.7922 } }, "kaala": "pradosha", "days": [ { "local_date": "1908-12-20", "window": { "start": { "local": "1908-12-20T18:05:24-04:56", "utc": "1908-12-20T23:01:24Z", "ms": -1925945916022.0842 }, "end": { "local": "1908-12-20T19:42:07-04:56", "utc": "1908-12-21T00:38:07Z", "ms": -1925940113238.4624 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1908-12-21", "window": { "start": { "local": "1908-12-21T18:05:54-04:56", "utc": "1908-12-21T23:01:54Z", "ms": -1925859486099.5693 }, "end": { "local": "1908-12-21T19:42:37-04:56", "utc": "1908-12-22T00:38:37Z", "ms": -1925853683294.9468 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:13 on Sun 20 Dec to 09:43 on Mon 21 Dec.", "fact": "1908-12-20T15:09:55Z → 1908-12-21T14:40:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:41 on the 20th, 18:05–19:42 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 20th and 0 of 97 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28289 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cali, 1908: Sunday 20 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": "1908-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-12-20", "confidence": "determinate" } ], "quote": "In Cali, Kṛṣṇa Pradoṣa Vrata 1908 falls on Sunday 20 December. Trayodaśī runs from 10:13 on Sun 20 Dec to 09:43 on Mon 21 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cali/festivals/1908/pradosha-vrata?on=1908-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/shivaratri?on=1908-12-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28968, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1908-12-21T09:44:01-04:56", "utc": "1908-12-21T14:40:01Z", "ms": -1925889599437.7922 }, "end": { "local": "1908-12-22T08:35:22-04:56", "utc": "1908-12-22T13:31:22Z", "ms": -1925807318044.5957 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-12-21T09:44:01-04:56", "utc": "1908-12-21T14:40:01Z", "ms": -1925889599437.7922 }, "end": { "local": "1908-12-22T08:35:22-04:56", "utc": "1908-12-22T13:31:22Z", "ms": -1925807318044.5957 } }, "kaala": "nishita", "days": [ { "local_date": "1908-12-20", "window": { "start": { "local": "1908-12-20T23:44:04-04:56", "utc": "1908-12-21T04:40:04Z", "ms": -1925925595583.5024 }, "end": { "local": "1908-12-21T00:32:04-04:56", "utc": "1908-12-21T05:28:04Z", "ms": -1925922715583.5024 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-12-21", "window": { "start": { "local": "1908-12-21T23:44:34-04:56", "utc": "1908-12-22T04:40:34Z", "ms": -1925839165582.2344 }, "end": { "local": "1908-12-22T00:32:34-04:56", "utc": "1908-12-22T05:28:34Z", "ms": -1925836285582.2344 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:43 on Mon 21 Dec to 08:34 on Tue 22 Dec.", "fact": "1908-12-21T14:40:01Z → 1908-12-22T13:31:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 20th, 23:44–00:32 on the 21st.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28968 s" }, { "step": "ruling", "text": "Śivarātri, Cali, 1908: Monday 21 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": "1908-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-12-21", "confidence": "determinate" } ], "quote": "In Cali, Śivarātri 1908 falls on Monday 21 December. Caturdaśī runs from 09:43 on Mon 21 Dec to 08:34 on Tue 22 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/cali/festivals/1908/shivaratri?on=1908-12-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cali/festivals/1908/vinayaka-chaturthi?on=1908-12-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3687925", "year": 1908, "local_date": "1908-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30401, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1908-12-25T23:42:04-04:56", "utc": "1908-12-26T04:38:04Z", "ms": -1925493715591.581 }, "end": { "local": "1908-12-26T21:01:31-04:56", "utc": "1908-12-27T01:57:31Z", "ms": -1925416949311.858 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1908-12-25T23:42:04-04:56", "utc": "1908-12-26T04:38:04Z", "ms": -1925493715591.581 }, "end": { "local": "1908-12-26T21:01:31-04:56", "utc": "1908-12-27T01:57:31Z", "ms": -1925416949311.858 } }, "kaala": "madhyahna", "days": [ { "local_date": "1908-12-25", "window": { "start": { "local": "1908-12-25T11:46:20-04:56", "utc": "1908-12-25T16:42:20Z", "ms": -1925536660322.2559 }, "end": { "local": "1908-12-25T12:34:20-04:56", "utc": "1908-12-25T17:30:20Z", "ms": -1925533780322.2559 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1908-12-26", "window": { "start": { "local": "1908-12-26T11:46:50-04:56", "utc": "1908-12-26T16:42:50Z", "ms": -1925450230400.1104 }, "end": { "local": "1908-12-26T12:34:50-04:56", "utc": "1908-12-26T17:30:50Z", "ms": -1925447350400.1104 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:41 on Fri 25 Dec to 21:01 on Sat 26 Dec.", "fact": "1908-12-26T04:38:04Z → 1908-12-27T01:57:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 25th, 11:46–12:34 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 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30401 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cali, 1908: Saturday 26 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": "1908-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1908-12-26", "confidence": "determinate" } ], "quote": "In Cali, Vināyaka Caturthī 1908 falls on Saturday 26 December. Caturthī runs from 23:41 on Fri 25 Dec to 21:01 on Sat 26 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cali/festivals/1908/vinayaka-chaturthi?on=1908-12-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }