{ "id": "/buenos-aires/festivals/2011", "place": { "id": "3435910", "slug": "buenos-aires", "name": "Buenos Aires", "region": "Buenos Aires F.D., Argentina", "country": "AR", "lat": -34.61315, "lon": -58.37723, "elevation_m": 31, "tz": "America/Argentina/Buenos_Aires" }, "year": 2011, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-01-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-01-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30702, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-01-01T06:33:58-03:00", "utc": "2011-01-01T09:33:58Z", "ms": 1293874437787.863 }, "end": { "local": "2011-01-02T05:57:57-03:00", "utc": "2011-01-02T08:57:57Z", "ms": 1293958676774.615 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-01-01T06:33:58-03:00", "utc": "2011-01-01T09:33:58Z", "ms": 1293874437787.863 }, "end": { "local": "2011-01-02T05:57:57-03:00", "utc": "2011-01-02T08:57:57Z", "ms": 1293958676774.615 } }, "kaala": "pradosha", "days": [ { "local_date": "2010-12-31", "window": { "start": { "local": "2010-12-31T20:09:19-03:00", "utc": "2010-12-31T23:09:19Z", "ms": 1293836958666.3833 }, "end": { "local": "2010-12-31T21:25:59-03:00", "utc": "2011-01-01T00:25:59Z", "ms": 1293841558898.7097 } }, "covered_min": 0, "window_min": 77, "qualifies": false }, { "local_date": "2011-01-01", "window": { "start": { "local": "2011-01-01T20:09:30-03:00", "utc": "2011-01-01T23:09:30Z", "ms": 1293923370133.8435 }, "end": { "local": "2011-01-01T21:26:15-03:00", "utc": "2011-01-02T00:26:15Z", "ms": 1293927974958.047 } }, "covered_min": 77, "window_min": 77, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:34 on Sat 1 Jan to 05:58 on Sun 2 Jan.", "fact": "2011-01-01T09:33:58Z → 2011-01-02T08:57:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:09–21:26 on the 31st, 20:10–21:26 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 77 minutes on the 31st and 77 of 77 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 30702 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2011: Saturday 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": "2011-01-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-01-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2011 falls on Saturday 1 January. Trayodaśī runs from 06:34 on Sat 1 Jan to 05:58 on Sun 2 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-01-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shivaratri?on=2011-01-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-01-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15896, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-01-02T05:57:57-03:00", "utc": "2011-01-02T08:57:57Z", "ms": 1293958676774.615 }, "end": { "local": "2011-01-03T05:46:43-03:00", "utc": "2011-01-03T08:46:43Z", "ms": 1294044402541.6394 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-01-02T05:57:57-03:00", "utc": "2011-01-02T08:57:57Z", "ms": 1293958676774.615 }, "end": { "local": "2011-01-03T05:46:43-03:00", "utc": "2011-01-03T08:46:43Z", "ms": 1294044402541.6394 } }, "kaala": "nishita", "days": [ { "local_date": "2011-01-01", "window": { "start": { "local": "2011-01-02T00:33:18-03:00", "utc": "2011-01-02T03:33:18Z", "ms": 1293939198224.6067 }, "end": { "local": "2011-01-02T01:21:18-03:00", "utc": "2011-01-02T04:21:18Z", "ms": 1293942078224.6067 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-01-02", "window": { "start": { "local": "2011-01-03T00:33:47-03:00", "utc": "2011-01-03T03:33:47Z", "ms": 1294025626583.0347 }, "end": { "local": "2011-01-03T01:21:47-03:00", "utc": "2011-01-03T04:21:47Z", "ms": 1294028506583.0347 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:58 on Sun 2 Jan to 05:47 on Mon 3 Jan.", "fact": "2011-01-02T08:57:57Z → 2011-01-03T08:46:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:33–01:21 on the 1st, 00:34–01:22 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 1st and 48 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 15896 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2011: Sunday 2 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": "2011-01-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-01-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2011 falls on Sunday 2 January. Caturdaśī runs from 05:58 on Sun 2 Jan to 05:47 on Mon 3 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/shivaratri?on=2011-01-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-01-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2544, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-01-07T09:45:28-03:00", "utc": "2011-01-07T12:45:28Z", "ms": 1294404327785.9255 }, "end": { "local": "2011-01-08T11:53:37-03:00", "utc": "2011-01-08T14:53:37Z", "ms": 1294498416900.8574 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-01-07T09:45:28-03:00", "utc": "2011-01-07T12:45:28Z", "ms": 1294404327785.9255 }, "end": { "local": "2011-01-08T11:53:37-03:00", "utc": "2011-01-08T14:53:37Z", "ms": 1294498416900.8574 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-01-07", "window": { "start": { "local": "2011-01-07T12:35:36-03:00", "utc": "2011-01-07T15:35:36Z", "ms": 1294414536047.287 }, "end": { "local": "2011-01-07T13:23:36-03:00", "utc": "2011-01-07T16:23:36Z", "ms": 1294417416047.287 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-01-08", "window": { "start": { "local": "2011-01-08T12:36:01-03:00", "utc": "2011-01-08T15:36:01Z", "ms": 1294500961283.1443 }, "end": { "local": "2011-01-08T13:24:01-03:00", "utc": "2011-01-08T16:24:01Z", "ms": 1294503841283.1443 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:45 on Fri 7 Jan to 11:54 on Sat 8 Jan.", "fact": "2011-01-07T12:45:28Z → 2011-01-08T14:53:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 7th, 12:36–13:24 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2544 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2011: Friday 7 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": "2011-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-01-07", "confidence": "boundary" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2011 falls on Friday 7 January. Caturthī runs from 09:45 on Fri 7 Jan to 11:54 on Sat 8 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-01-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35698, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2011-01-14T10:14:07-03:00", "utc": "2011-01-14T13:14:07Z", "ms": 1295010847050.976 }, "end": { "local": "2011-02-12T23:12:53-03:00", "utc": "2011-02-13T02:12:53Z", "ms": 1297563172779.1145 } }, "span": { "of": "transit", "start": { "local": "2011-01-14T10:14:07-03:00", "utc": "2011-01-14T13:14:07Z", "ms": 1295010847050.976 }, "end": { "local": "2011-01-14T10:14:07-03:00", "utc": "2011-01-14T13:14:07Z", "ms": 1295010847050.976 } }, "kaala": "sunset-day", "days": [ { "local_date": "2011-01-14", "window": { "start": { "local": "2011-01-13T20:09:18-03:00", "utc": "2011-01-13T23:09:18Z", "ms": 1294960158335.5547 }, "end": { "local": "2011-01-14T20:09:05-03:00", "utc": "2011-01-14T23:09:05Z", "ms": 1295046544768.81 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2011-01-15", "window": { "start": { "local": "2011-01-14T20:09:05-03:00", "utc": "2011-01-14T23:09:05Z", "ms": 1295046544768.81 }, "end": { "local": "2011-01-15T20:08:49-03:00", "utc": "2011-01-15T23:08:49Z", "ms": 1295132929286.6567 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2011-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:14 on Fri 14 Jan.", "fact": "2011-01-14T13:14:07Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 20:09, and the day of the 15th ends at 20:09.", "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 35698 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Buenos Aires, 2011: Thursday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2011-01-13", "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": "2011-01-13", "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 Buenos Aires, Bhogi 2011 falls on Thursday 13 January. It is kept the day before Pongal, which falls on Friday 14 January. The Sun enters Makara at 10:14 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35698, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2011-01-14T10:14:07-03:00", "utc": "2011-01-14T13:14:07Z", "ms": 1295010847050.976 }, "end": { "local": "2011-02-12T23:12:53-03:00", "utc": "2011-02-13T02:12:53Z", "ms": 1297563172779.1145 } }, "span": { "of": "transit", "start": { "local": "2011-01-14T10:14:07-03:00", "utc": "2011-01-14T13:14:07Z", "ms": 1295010847050.976 }, "end": { "local": "2011-01-14T10:14:07-03:00", "utc": "2011-01-14T13:14:07Z", "ms": 1295010847050.976 } }, "kaala": "sunset-day", "days": [ { "local_date": "2011-01-14", "window": { "start": { "local": "2011-01-13T20:09:18-03:00", "utc": "2011-01-13T23:09:18Z", "ms": 1294960158335.5547 }, "end": { "local": "2011-01-14T20:09:05-03:00", "utc": "2011-01-14T23:09:05Z", "ms": 1295046544768.81 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2011-01-15", "window": { "start": { "local": "2011-01-14T20:09:05-03:00", "utc": "2011-01-14T23:09:05Z", "ms": 1295046544768.81 }, "end": { "local": "2011-01-15T20:08:49-03:00", "utc": "2011-01-15T23:08:49Z", "ms": 1295132929286.6567 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:14 on Fri 14 Jan.", "fact": "2011-01-14T13:14:07Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 20:09, and the day of the 15th ends at 20:09.", "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 35698 s" }, { "step": "ruling", "text": "Pongal, Buenos Aires, 2011: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2011-01-14", "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": "2011-01-14", "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 Buenos Aires, Pongal 2011 falls on Friday 14 January. The Sun enters Makara at 10:14 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36847, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2011-01-14T10:14:07-03:00", "utc": "2011-01-14T13:14:07Z", "ms": 1295010847050.976 }, "end": { "local": "2011-02-12T23:12:53-03:00", "utc": "2011-02-13T02:12:53Z", "ms": 1297563172779.1145 } }, "span": { "of": "transit", "start": { "local": "2011-01-14T10:14:07-03:00", "utc": "2011-01-14T13:14:07Z", "ms": 1295010847050.976 }, "end": { "local": "2011-01-14T10:14:07-03:00", "utc": "2011-01-14T13:14:07Z", "ms": 1295010847050.976 } }, "kaala": "civil-day", "days": [ { "local_date": "2011-01-13", "window": { "start": { "local": "2011-01-13T00:00:00-03:00", "utc": "2011-01-13T03:00:00Z", "ms": 1294887600000 }, "end": { "local": "2011-01-14T00:00:00-03:00", "utc": "2011-01-14T03:00:00Z", "ms": 1294974000000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2011-01-14", "window": { "start": { "local": "2011-01-14T00:00:00-03:00", "utc": "2011-01-14T03:00:00Z", "ms": 1294974000000 }, "end": { "local": "2011-01-15T00:00:00-03:00", "utc": "2011-01-15T03:00:00Z", "ms": 1295060400000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:14 on Fri 14 Jan.", "fact": "2011-01-14T13:14:07Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Buenos Aires.", "fact": "civil-day: midnight-to-midnight · America/Argentina/Buenos_Aires" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 36847 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Buenos Aires, 2011: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2011-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2011-01-14", "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 Buenos Aires, Makara Saṅkrānti 2011 falls on Friday 14 January. The Sun enters Makara at 10:14 on Fri 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35698, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2011-01-14T10:14:07-03:00", "utc": "2011-01-14T13:14:07Z", "ms": 1295010847050.976 }, "end": { "local": "2011-02-12T23:12:53-03:00", "utc": "2011-02-13T02:12:53Z", "ms": 1297563172779.1145 } }, "span": { "of": "transit", "start": { "local": "2011-01-14T10:14:07-03:00", "utc": "2011-01-14T13:14:07Z", "ms": 1295010847050.976 }, "end": { "local": "2011-01-14T10:14:07-03:00", "utc": "2011-01-14T13:14:07Z", "ms": 1295010847050.976 } }, "kaala": "sunset-day", "days": [ { "local_date": "2011-01-14", "window": { "start": { "local": "2011-01-13T20:09:18-03:00", "utc": "2011-01-13T23:09:18Z", "ms": 1294960158335.5547 }, "end": { "local": "2011-01-14T20:09:05-03:00", "utc": "2011-01-14T23:09:05Z", "ms": 1295046544768.81 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2011-01-15", "window": { "start": { "local": "2011-01-14T20:09:05-03:00", "utc": "2011-01-14T23:09:05Z", "ms": 1295046544768.81 }, "end": { "local": "2011-01-15T20:08:49-03:00", "utc": "2011-01-15T23:08:49Z", "ms": 1295132929286.6567 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2011-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:14 on Fri 14 Jan.", "fact": "2011-01-14T13:14:07Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 20:09, and the day of the 15th ends at 20:09.", "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 35698 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Buenos Aires, 2011: Saturday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2011-01-15", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2011-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Buenos Aires, Mattu Pongal 2011 falls on Saturday 15 January. It is kept the day after Pongal, which falls on Friday 14 January. The Sun enters Makara at 10:14 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-01-15", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19589, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-01-15T00:15:37-03:00", "utc": "2011-01-15T03:15:37Z", "ms": 1295061336792.012 }, "end": { "local": "2011-01-16T00:31:04-03:00", "utc": "2011-01-16T03:31:04Z", "ms": 1295148663902.3828 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-01-15T00:15:37-03:00", "utc": "2011-01-15T03:15:37Z", "ms": 1295061336792.012 }, "end": { "local": "2011-01-16T00:31:04-03:00", "utc": "2011-01-16T03:31:04Z", "ms": 1295148663902.3828 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-01-15", "window": { "start": { "local": "2011-01-15T05:56:34-03:00", "utc": "2011-01-15T08:56:34Z", "ms": 1295081794444.1196 }, "end": { "local": "2011-01-15T05:56:34-03:00", "utc": "2011-01-15T08:56:34Z", "ms": 1295081794444.1196 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-01-16", "window": { "start": { "local": "2011-01-16T05:57:33-03:00", "utc": "2011-01-16T08:57:33Z", "ms": 1295168252595.0913 }, "end": { "local": "2011-01-16T05:57:33-03:00", "utc": "2011-01-16T08:57:33Z", "ms": 1295168252595.0913 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:16 on Sat 15 Jan to 00:31 on Sun 16 Jan.", "fact": "2011-01-15T03:15:37Z → 2011-01-16T03:31:04Z" }, { "step": "kaala", "text": "Sunrise is at 05:57 on the 15th and 05:58 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19589 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Buenos Aires, 2011: Saturday 15 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": "2011-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-01-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Putradā Ekādaśī 2011 falls on Saturday 15 January. Ekādaśī runs from 00:16 on Sat 15 Jan to 00:31 on Sun 16 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-01-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4597, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-01-16T23:59:38-03:00", "utc": "2011-01-17T02:59:38Z", "ms": 1295233178092.6582 }, "end": { "local": "2011-01-17T22:43:40-03:00", "utc": "2011-01-18T01:43:40Z", "ms": 1295315019571.12 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-01-16T23:59:38-03:00", "utc": "2011-01-17T02:59:38Z", "ms": 1295233178092.6582 }, "end": { "local": "2011-01-17T22:43:40-03:00", "utc": "2011-01-18T01:43:40Z", "ms": 1295315019571.12 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-01-16", "window": { "start": { "local": "2011-01-16T20:08:32-03:00", "utc": "2011-01-16T23:08:32Z", "ms": 1295219311901.8457 }, "end": { "local": "2011-01-16T21:27:12-03:00", "utc": "2011-01-17T00:27:12Z", "ms": 1295224031814.8171 } }, "covered_min": 0, "window_min": 79, "qualifies": false }, { "local_date": "2011-01-17", "window": { "start": { "local": "2011-01-17T20:08:13-03:00", "utc": "2011-01-17T23:08:13Z", "ms": 1295305692629.2039 }, "end": { "local": "2011-01-17T21:27:03-03:00", "utc": "2011-01-18T00:27:03Z", "ms": 1295310422993.7288 } }, "covered_min": 79, "window_min": 79, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:00 on Sun 16 Jan to 22:44 on Mon 17 Jan.", "fact": "2011-01-17T02:59:38Z → 2011-01-18T01:43:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:09–21:27 on the 16th, 20:08–21:27 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 79 minutes on the 16th and 79 of 79 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4597 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2011: Monday 17 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": "2011-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-01-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2011 falls on Monday 17 January. Trayodaśī runs from 00:00 on Sun 16 Jan to 22:44 on Mon 17 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-01-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-01-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30282, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-01-22T09:18:58-03:00", "utc": "2011-01-22T12:18:58Z", "ms": 1295698738071.041 }, "end": { "local": "2011-01-23T06:15:20-03:00", "utc": "2011-01-23T09:15:20Z", "ms": 1295774119958.7786 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-01-22T09:18:58-03:00", "utc": "2011-01-22T12:18:58Z", "ms": 1295698738071.041 }, "end": { "local": "2011-01-23T06:15:20-03:00", "utc": "2011-01-23T09:15:20Z", "ms": 1295774119958.7786 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-01-21", "window": { "start": { "local": "2011-01-21T21:16:11-03:00", "utc": "2011-01-22T00:16:11Z", "ms": 1295655371427.8376 }, "end": { "local": "2011-01-21T21:16:11-03:00", "utc": "2011-01-22T00:16:11Z", "ms": 1295655371427.8376 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-01-22", "window": { "start": { "local": "2011-01-22T21:50:38-03:00", "utc": "2011-01-23T00:50:38Z", "ms": 1295743838268.6409 }, "end": { "local": "2011-01-22T21:50:38-03:00", "utc": "2011-01-23T00:50:38Z", "ms": 1295743838268.6409 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:19 on Sat 22 Jan to 06:15 on Sun 23 Jan.", "fact": "2011-01-22T12:18:58Z → 2011-01-23T09:15:20Z" }, { "step": "kaala", "text": "Moonrise is at 21:16 on the 21st and 21:51 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30282 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2011: Saturday 22 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": "2011-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-01-22", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2011 falls on Saturday 22 January. Caturthī runs from 09:19 on Sat 22 Jan to 06:15 on Sun 23 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-01-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/ekadashi?on=2011-01-29", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38154, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-01-28T19:34:47-03:00", "utc": "2011-01-28T22:34:47Z", "ms": 1296254086714.635 }, "end": { "local": "2011-01-29T19:30:55-03:00", "utc": "2011-01-29T22:30:55Z", "ms": 1296340254521.5176 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-01-28T19:34:47-03:00", "utc": "2011-01-28T22:34:47Z", "ms": 1296254086714.635 }, "end": { "local": "2011-01-29T19:30:55-03:00", "utc": "2011-01-29T22:30:55Z", "ms": 1296340254521.5176 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-01-29", "window": { "start": { "local": "2011-01-29T06:10:40-03:00", "utc": "2011-01-29T09:10:40Z", "ms": 1296292240226.6177 }, "end": { "local": "2011-01-29T06:10:40-03:00", "utc": "2011-01-29T09:10:40Z", "ms": 1296292240226.6177 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-01-30", "window": { "start": { "local": "2011-01-30T06:11:42-03:00", "utc": "2011-01-30T09:11:42Z", "ms": 1296378701970.9106 }, "end": { "local": "2011-01-30T06:11:42-03:00", "utc": "2011-01-30T09:11:42Z", "ms": 1296378701970.9106 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:35 on Fri 28 Jan to 19:31 on Sat 29 Jan.", "fact": "2011-01-28T22:34:47Z → 2011-01-29T22:30:55Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 29th and 06:12 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38154 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Buenos Aires, 2011: Saturday 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": "2011-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-01-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ṣaṭtilā Ekādaśī 2011 falls on Saturday 29 January. Ekādaśī runs from 19:35 on Fri 28 Jan to 19:31 on Sat 29 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-01-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-01-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-01-30", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 397, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-01-30T19:54:43-03:00", "utc": "2011-01-30T22:54:43Z", "ms": 1296428082748.3896 }, "end": { "local": "2011-01-31T20:43:55-03:00", "utc": "2011-01-31T23:43:55Z", "ms": 1296517434841.2246 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-01-30T19:54:43-03:00", "utc": "2011-01-30T22:54:43Z", "ms": 1296428082748.3896 }, "end": { "local": "2011-01-31T20:43:55-03:00", "utc": "2011-01-31T23:43:55Z", "ms": 1296517434841.2246 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-01-30", "window": { "start": { "local": "2011-01-30T20:01:20-03:00", "utc": "2011-01-30T23:01:20Z", "ms": 1296428479522.1108 }, "end": { "local": "2011-01-30T21:22:51-03:00", "utc": "2011-01-31T00:22:51Z", "ms": 1296433370745.833 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2011-01-31", "window": { "start": { "local": "2011-01-31T20:00:36-03:00", "utc": "2011-01-31T23:00:36Z", "ms": 1296514836051.1985 }, "end": { "local": "2011-01-31T21:22:21-03:00", "utc": "2011-02-01T00:22:21Z", "ms": 1296519741295.0059 } }, "covered_min": 43, "window_min": 82, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:55 on Sun 30 Jan to 20:44 on Mon 31 Jan.", "fact": "2011-01-30T22:54:43Z → 2011-01-31T23:43:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:01–21:23 on the 30th, 20:01–21:22 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 82 of 82 minutes on the 30th and 43 of 82 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 397 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2011: Sunday 30 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-01-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-01-30", "confidence": "boundary" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2011 falls on Sunday 30 January. Trayodaśī runs from 19:55 on Sun 30 Jan to 20:44 on Mon 31 Jan and covers all of pradoṣa that evening. It also reaches the next evening for 43 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/buenos-aires/festivals/2011/pradosha-vrata?on=2011-01-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shivaratri?on=2011-01-31", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10011, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-01-31T20:43:55-03:00", "utc": "2011-01-31T23:43:55Z", "ms": 1296517434841.2246 }, "end": { "local": "2011-02-01T21:56:28-03:00", "utc": "2011-02-02T00:56:28Z", "ms": 1296608188209.0337 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-01-31T20:43:55-03:00", "utc": "2011-01-31T23:43:55Z", "ms": 1296517434841.2246 }, "end": { "local": "2011-02-01T21:56:28-03:00", "utc": "2011-02-02T00:56:28Z", "ms": 1296608188209.0337 } }, "kaala": "nishita", "days": [ { "local_date": "2011-01-31", "window": { "start": { "local": "2011-02-01T00:43:11-03:00", "utc": "2011-02-01T03:43:11Z", "ms": 1296531790715.4756 }, "end": { "local": "2011-02-01T01:31:11-03:00", "utc": "2011-02-01T04:31:11Z", "ms": 1296534670715.4756 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-02-01", "window": { "start": { "local": "2011-02-02T00:43:19-03:00", "utc": "2011-02-02T03:43:19Z", "ms": 1296618199004.7983 }, "end": { "local": "2011-02-02T01:31:19-03:00", "utc": "2011-02-02T04:31:19Z", "ms": 1296621079004.7983 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:44 on Mon 31 Jan to 21:56 on Tue 1 Feb.", "fact": "2011-01-31T23:43:55Z → 2011-02-02T00:56:28Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:43–01:31 on the 31st, 00:43–01:31 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 31st and 0 of 48 on the 1st.", "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 10011 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2011: Monday 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": "2011-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-01-31", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2011 falls on Monday 31 January. Caturdaśī runs from 20:44 on Mon 31 Jan to 21:56 on Tue 1 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/shivaratri?on=2011-01-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24979, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-01-31T20:43:55-03:00", "utc": "2011-01-31T23:43:55Z", "ms": 1296517434841.2246 }, "end": { "local": "2011-02-01T21:56:28-03:00", "utc": "2011-02-02T00:56:28Z", "ms": 1296608188209.0337 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-01-31T20:43:55-03:00", "utc": "2011-01-31T23:43:55Z", "ms": 1296517434841.2246 }, "end": { "local": "2011-02-01T21:56:28-03:00", "utc": "2011-02-02T00:56:28Z", "ms": 1296608188209.0337 } }, "kaala": "arunodaya", "days": [ { "local_date": "2011-02-01", "window": { "start": { "local": "2011-02-01T04:52:00-03:00", "utc": "2011-02-01T07:52:00Z", "ms": 1296546720135.9456 }, "end": { "local": "2011-02-01T06:13:45-03:00", "utc": "2011-02-01T09:13:45Z", "ms": 1296551625379.753 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2011-02-02", "window": { "start": { "local": "2011-02-02T04:52:48-03:00", "utc": "2011-02-02T07:52:48Z", "ms": 1296633167517.8887 }, "end": { "local": "2011-02-02T06:14:47-03:00", "utc": "2011-02-02T09:14:47Z", "ms": 1296638086977.194 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:44 on Mon 31 Jan to 21:56 on Tue 1 Feb.", "fact": "2011-01-31T23:43:55Z → 2011-02-02T00:56:28Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:52–06:14 on the 1st, 04:53–06:15 on the 2nd.", "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 82 of 82 minutes on the 1st and 0 of 82 on the 2nd.", "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 24979 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Buenos Aires, 2011: Tuesday 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": "2011-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-02-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Yama Tarpaṇa 2011 falls on Tuesday 1 February. Caturdaśī runs from 20:44 on Mon 31 Jan to 21:56 on Tue 1 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14841, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-02-06T06:02:15-03:00", "utc": "2011-02-06T09:02:15Z", "ms": 1296982935212.2212 }, "end": { "local": "2011-02-07T08:36:01-03:00", "utc": "2011-02-07T11:36:01Z", "ms": 1297078560752.7102 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-02-06T06:02:15-03:00", "utc": "2011-02-06T09:02:15Z", "ms": 1296982935212.2212 }, "end": { "local": "2011-02-07T08:36:01-03:00", "utc": "2011-02-07T11:36:01Z", "ms": 1297078560752.7102 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-02-06", "window": { "start": { "local": "2011-02-06T12:43:18-03:00", "utc": "2011-02-06T15:43:18Z", "ms": 1297006997785.362 }, "end": { "local": "2011-02-06T13:31:18-03:00", "utc": "2011-02-06T16:31:18Z", "ms": 1297009877785.362 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-02-07", "window": { "start": { "local": "2011-02-07T12:43:21-03:00", "utc": "2011-02-07T15:43:21Z", "ms": 1297093401284.5605 }, "end": { "local": "2011-02-07T13:31:21-03:00", "utc": "2011-02-07T16:31:21Z", "ms": 1297096281284.5605 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:02 on Sun 6 Feb to 08:36 on Mon 7 Feb.", "fact": "2011-02-06T09:02:15Z → 2011-02-07T11:36:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 6th, 12:43–13:31 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14841 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Buenos Aires, 2011: Sunday 6 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": "2011-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-02-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2011 falls on Sunday 6 February. Caturthī runs from 06:02 on Sun 6 Feb to 08:36 on Mon 7 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31361, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-02-06T06:02:15-03:00", "utc": "2011-02-06T09:02:15Z", "ms": 1296982935212.2212 }, "end": { "local": "2011-02-07T08:36:01-03:00", "utc": "2011-02-07T11:36:01Z", "ms": 1297078560752.7102 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-02-06T06:02:15-03:00", "utc": "2011-02-06T09:02:15Z", "ms": 1296982935212.2212 }, "end": { "local": "2011-02-07T08:36:01-03:00", "utc": "2011-02-07T11:36:01Z", "ms": 1297078560752.7102 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-02-05", "window": { "start": { "local": "2011-02-05T19:56:36-03:00", "utc": "2011-02-05T22:56:36Z", "ms": 1296946595995.2114 }, "end": { "local": "2011-02-05T21:19:34-03:00", "utc": "2011-02-06T00:19:34Z", "ms": 1296951574121.2153 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2011-02-06", "window": { "start": { "local": "2011-02-06T19:55:44-03:00", "utc": "2011-02-06T22:55:44Z", "ms": 1297032943630.483 }, "end": { "local": "2011-02-06T21:18:57-03:00", "utc": "2011-02-07T00:18:57Z", "ms": 1297037936838.3118 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:02 on Sun 6 Feb to 08:36 on Mon 7 Feb.", "fact": "2011-02-06T09:02:15Z → 2011-02-07T11:36:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:57–21:20 on the 5th, 19:56–21:19 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 83 minutes on the 5th and 83 of 83 on the 6th.", "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 31361 s" }, { "step": "ruling", "text": "Tila Caturthī, Buenos Aires, 2011: Sunday 6 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": "2011-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-02-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Tila Caturthī 2011 falls on Sunday 6 February. Caturthī runs from 06:02 on Sun 6 Feb to 08:36 on Mon 7 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5640, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2011-02-07T08:36:01-03:00", "utc": "2011-02-07T11:36:01Z", "ms": 1297078560752.7102 }, "end": { "local": "2011-02-08T11:09:24-03:00", "utc": "2011-02-08T14:09:24Z", "ms": 1297174163707.1465 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-02-07T08:36:01-03:00", "utc": "2011-02-07T11:36:01Z", "ms": 1297078560752.7102 }, "end": { "local": "2011-02-08T11:09:24-03:00", "utc": "2011-02-08T14:09:24Z", "ms": 1297174163707.1465 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-02-07", "window": { "start": { "local": "2011-02-07T12:43:21-03:00", "utc": "2011-02-07T15:43:21Z", "ms": 1297093401284.5605 }, "end": { "local": "2011-02-07T13:31:21-03:00", "utc": "2011-02-07T16:31:21Z", "ms": 1297096281284.5605 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-02-08", "window": { "start": { "local": "2011-02-08T12:43:24-03:00", "utc": "2011-02-08T15:43:24Z", "ms": 1297179803983.2983 }, "end": { "local": "2011-02-08T13:31:24-03:00", "utc": "2011-02-08T16:31:24Z", "ms": 1297182683983.2983 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:36 on Mon 7 Feb to 11:09 on Tue 8 Feb.", "fact": "2011-02-07T11:36:01Z → 2011-02-08T14:09:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 7th, 12:43–13:31 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5640 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Buenos Aires, 2011: Monday 7 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-02-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śrī Pañcamī 2011 falls on Monday 7 February. Pañcamī runs from 08:36 on Mon 7 Feb to 11:09 on Tue 8 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5640, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2011-02-07T08:36:01-03:00", "utc": "2011-02-07T11:36:01Z", "ms": 1297078560752.7102 }, "end": { "local": "2011-02-08T11:09:24-03:00", "utc": "2011-02-08T14:09:24Z", "ms": 1297174163707.1465 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-02-07T08:36:01-03:00", "utc": "2011-02-07T11:36:01Z", "ms": 1297078560752.7102 }, "end": { "local": "2011-02-08T11:09:24-03:00", "utc": "2011-02-08T14:09:24Z", "ms": 1297174163707.1465 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-02-07", "window": { "start": { "local": "2011-02-07T12:43:21-03:00", "utc": "2011-02-07T15:43:21Z", "ms": 1297093401284.5605 }, "end": { "local": "2011-02-07T13:31:21-03:00", "utc": "2011-02-07T16:31:21Z", "ms": 1297096281284.5605 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-02-08", "window": { "start": { "local": "2011-02-08T12:43:24-03:00", "utc": "2011-02-08T15:43:24Z", "ms": 1297179803983.2983 }, "end": { "local": "2011-02-08T13:31:24-03:00", "utc": "2011-02-08T16:31:24Z", "ms": 1297182683983.2983 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:36 on Mon 7 Feb to 11:09 on Tue 8 Feb.", "fact": "2011-02-07T11:36:01Z → 2011-02-08T14:09:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 7th, 12:43–13:31 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5640 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Buenos Aires, 2011: Monday 7 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-02-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vasanta Pañcamī 2011 falls on Monday 7 February. Pañcamī runs from 08:36 on Mon 7 Feb to 11:09 on Tue 8 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25788, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2011-02-09T13:31:41-03:00", "utc": "2011-02-09T16:31:41Z", "ms": 1297269101066.6433 }, "end": { "local": "2011-02-10T15:30:56-03:00", "utc": "2011-02-10T18:30:56Z", "ms": 1297362656354.9375 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-02-09T13:31:41-03:00", "utc": "2011-02-09T16:31:41Z", "ms": 1297269101066.6433 }, "end": { "local": "2011-02-10T15:30:56-03:00", "utc": "2011-02-10T18:30:56Z", "ms": 1297362656354.9375 } }, "kaala": "arunodaya", "days": [ { "local_date": "2011-02-09", "window": { "start": { "local": "2011-02-09T04:58:10-03:00", "utc": "2011-02-09T07:58:10Z", "ms": 1297238289611.8843 }, "end": { "local": "2011-02-09T06:21:53-03:00", "utc": "2011-02-09T09:21:53Z", "ms": 1297243313433.2764 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2011-02-10", "window": { "start": { "local": "2011-02-10T04:58:54-03:00", "utc": "2011-02-10T07:58:54Z", "ms": 1297324734048.9348 }, "end": { "local": "2011-02-10T06:22:53-03:00", "utc": "2011-02-10T09:22:53Z", "ms": 1297329773388.9036 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:32 on Wed 9 Feb to 15:31 on Thu 10 Feb.", "fact": "2011-02-09T16:31:41Z → 2011-02-10T18:30:56Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:58–06:22 on the 9th, 04:59–06:23 on the 10th.", "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 84 minutes on the 9th and 84 of 84 on the 10th.", "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 25788 s" }, { "step": "ruling", "text": "Ratha Saptamī, Buenos Aires, 2011: Thursday 10 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": "2011-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-02-10", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ratha Saptamī 2011 falls on Thursday 10 February. Saptamī runs from 13:32 on Wed 9 Feb to 15:31 on Thu 10 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-02-14", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36088, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-02-13T17:27:56-03:00", "utc": "2011-02-13T20:27:56Z", "ms": 1297628876144.4814 }, "end": { "local": "2011-02-14T16:28:19-03:00", "utc": "2011-02-14T19:28:19Z", "ms": 1297711698516.7866 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-02-13T17:27:56-03:00", "utc": "2011-02-13T20:27:56Z", "ms": 1297628876144.4814 }, "end": { "local": "2011-02-14T16:28:19-03:00", "utc": "2011-02-14T19:28:19Z", "ms": 1297711698516.7866 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-02-13", "window": { "start": { "local": "2011-02-13T06:25:51-03:00", "utc": "2011-02-13T09:25:51Z", "ms": 1297589151391.7725 }, "end": { "local": "2011-02-13T06:25:51-03:00", "utc": "2011-02-13T09:25:51Z", "ms": 1297589151391.7725 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-02-14", "window": { "start": { "local": "2011-02-14T06:26:50-03:00", "utc": "2011-02-14T09:26:50Z", "ms": 1297675610060.9653 }, "end": { "local": "2011-02-14T06:26:50-03:00", "utc": "2011-02-14T09:26:50Z", "ms": 1297675610060.9653 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:28 on Sun 13 Feb to 16:28 on Mon 14 Feb.", "fact": "2011-02-13T20:27:56Z → 2011-02-14T19:28:19Z" }, { "step": "kaala", "text": "Sunrise is at 06:26 on the 13th and 06:27 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36088 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Buenos Aires, 2011: Monday 14 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": "2011-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-02-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Jayā Ekādaśī 2011 falls on Monday 14 February. Ekādaśī runs from 17:28 on Sun 13 Feb to 16:28 on Mon 14 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-02-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4131, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2011-02-14T16:28:19-03:00", "utc": "2011-02-14T19:28:19Z", "ms": 1297711698516.7866 }, "end": { "local": "2011-02-15T14:40:12-03:00", "utc": "2011-02-15T17:40:12Z", "ms": 1297791612277.2014 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-02-14T16:28:19-03:00", "utc": "2011-02-14T19:28:19Z", "ms": 1297711698516.7866 }, "end": { "local": "2011-02-15T14:40:12-03:00", "utc": "2011-02-15T17:40:12Z", "ms": 1297791612277.2014 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-02-14", "window": { "start": { "local": "2011-02-14T12:43:24-03:00", "utc": "2011-02-14T15:43:24Z", "ms": 1297698203709.75 }, "end": { "local": "2011-02-14T13:31:24-03:00", "utc": "2011-02-14T16:31:24Z", "ms": 1297701083709.75 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-02-15", "window": { "start": { "local": "2011-02-15T12:43:21-03:00", "utc": "2011-02-15T15:43:21Z", "ms": 1297784601003.4585 }, "end": { "local": "2011-02-15T13:31:21-03:00", "utc": "2011-02-15T16:31:21Z", "ms": 1297787481003.4585 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:28 on Mon 14 Feb to 14:40 on Tue 15 Feb.", "fact": "2011-02-14T19:28:19Z → 2011-02-15T17:40:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 14th, 12:43–13:31 on the 15th.", "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 14th and 48 of 48 on the 15th.", "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 4131 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Buenos Aires, 2011: Tuesday 15 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": "2011-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-02-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Bhīṣma Dvādaśī 2011 falls on Tuesday 15 February. Dvādaśī runs from 16:28 on Mon 14 Feb to 14:40 on Tue 15 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-02-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18401, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-02-15T14:40:12-03:00", "utc": "2011-02-15T17:40:12Z", "ms": 1297791612277.2014 }, "end": { "local": "2011-02-16T12:09:32-03:00", "utc": "2011-02-16T15:09:32Z", "ms": 1297868971512.889 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-02-15T14:40:12-03:00", "utc": "2011-02-15T17:40:12Z", "ms": 1297791612277.2014 }, "end": { "local": "2011-02-16T12:09:32-03:00", "utc": "2011-02-16T15:09:32Z", "ms": 1297868971512.889 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-02-15", "window": { "start": { "local": "2011-02-15T19:46:54-03:00", "utc": "2011-02-15T22:46:54Z", "ms": 1297810013625.7888 }, "end": { "local": "2011-02-15T21:12:29-03:00", "utc": "2011-02-16T00:12:29Z", "ms": 1297815148655.1565 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2011-02-16", "window": { "start": { "local": "2011-02-16T19:45:49-03:00", "utc": "2011-02-16T22:45:49Z", "ms": 1297896348792.3384 }, "end": { "local": "2011-02-16T21:11:40-03:00", "utc": "2011-02-17T00:11:40Z", "ms": 1297901500146.9897 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:40 on Tue 15 Feb to 12:10 on Wed 16 Feb.", "fact": "2011-02-15T17:40:12Z → 2011-02-16T15:09:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:47–21:12 on the 15th, 19:46–21:12 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 86 of 86 minutes on the 15th and 0 of 86 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18401 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2011: Tuesday 15 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": "2011-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-02-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2011 falls on Tuesday 15 February. Trayodaśī runs from 14:40 on Tue 15 Feb to 12:10 on Wed 16 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-02-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13113, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-02-17T09:04:40-03:00", "utc": "2011-02-17T12:04:40Z", "ms": 1297944279974.1526 }, "end": { "local": "2011-02-18T05:35:40-03:00", "utc": "2011-02-18T08:35:40Z", "ms": 1298018140132.3408 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2011-02-17T09:04:40-03:00", "utc": "2011-02-17T12:04:40Z", "ms": 1297944279974.1526 }, "end": { "local": "2011-02-18T05:35:40-03:00", "utc": "2011-02-18T08:35:40Z", "ms": 1298018140132.3408 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-02-17", "window": { "start": { "local": "2011-02-17T12:43:13-03:00", "utc": "2011-02-17T15:43:13Z", "ms": 1297957393422.4902 }, "end": { "local": "2011-02-17T13:31:13-03:00", "utc": "2011-02-17T16:31:13Z", "ms": 1297960273422.4902 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-02-18", "window": { "start": { "local": "2011-02-18T12:43:09-03:00", "utc": "2011-02-18T15:43:09Z", "ms": 1298043788580.4 }, "end": { "local": "2011-02-18T13:31:09-03:00", "utc": "2011-02-18T16:31:09Z", "ms": 1298046668580.4 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:05 on Thu 17 Feb to 05:36 on Fri 18 Feb.", "fact": "2011-02-17T12:04:40Z → 2011-02-18T08:35:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 17th, 12:43–13:31 on the 18th.", "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 17th and 0 of 48 on the 18th.", "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 13113 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Buenos Aires, 2011: Thursday 17 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": "2011-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-02-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Māghī Pūrṇimā 2011 falls on Thursday 17 February. Pūrṇimā runs from 09:05 on Thu 17 Feb to 05:36 on Fri 18 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-02-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8543, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-02-20T18:34:39-03:00", "utc": "2011-02-20T21:34:39Z", "ms": 1298237678876.7307 }, "end": { "local": "2011-02-21T15:19:32-03:00", "utc": "2011-02-21T18:19:32Z", "ms": 1298312371651.603 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2011-02-20T18:34:39-03:00", "utc": "2011-02-20T21:34:39Z", "ms": 1298237678876.7307 }, "end": { "local": "2011-02-21T15:19:32-03:00", "utc": "2011-02-21T18:19:32Z", "ms": 1298312371651.603 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-02-20", "window": { "start": { "local": "2011-02-20T20:57:02-03:00", "utc": "2011-02-20T23:57:02Z", "ms": 1298246221921.6643 }, "end": { "local": "2011-02-20T20:57:02-03:00", "utc": "2011-02-20T23:57:02Z", "ms": 1298246221921.6643 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-02-21", "window": { "start": { "local": "2011-02-21T21:34:39-03:00", "utc": "2011-02-22T00:34:39Z", "ms": 1298334878832.583 }, "end": { "local": "2011-02-21T21:34:39-03:00", "utc": "2011-02-22T00:34:39Z", "ms": 1298334878832.583 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:35 on Sun 20 Feb to 15:20 on Mon 21 Feb.", "fact": "2011-02-20T21:34:39Z → 2011-02-21T18:19:32Z" }, { "step": "kaala", "text": "Moonrise is at 20:57 on the 20th and 21:35 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 8543 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2011: Sunday 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": "2011-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-02-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2011 falls on Sunday 20 February. Caturthī runs from 18:35 on Sun 20 Feb to 15:20 on Mon 21 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-02-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/ekadashi?on=2011-02-28", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-02-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7288, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-02-27T08:40:29-03:00", "utc": "2011-02-27T11:40:29Z", "ms": 1298806828947.2898 }, "end": { "local": "2011-02-28T09:48:12-03:00", "utc": "2011-02-28T12:48:12Z", "ms": 1298897291542.1863 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2011-02-27T08:40:29-03:00", "utc": "2011-02-27T11:40:29Z", "ms": 1298806828947.2898 }, "end": { "local": "2011-02-28T09:48:12-03:00", "utc": "2011-02-28T12:48:12Z", "ms": 1298897291542.1863 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-02-27", "window": { "start": { "local": "2011-02-27T06:39:01-03:00", "utc": "2011-02-27T09:39:01Z", "ms": 1298799540614.3699 }, "end": { "local": "2011-02-27T06:39:01-03:00", "utc": "2011-02-27T09:39:01Z", "ms": 1298799540614.3699 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-02-28", "window": { "start": { "local": "2011-02-28T06:39:54-03:00", "utc": "2011-02-28T09:39:54Z", "ms": 1298885994374.4597 }, "end": { "local": "2011-02-28T06:39:54-03:00", "utc": "2011-02-28T09:39:54Z", "ms": 1298885994374.4597 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:40 on Sun 27 Feb to 09:48 on Mon 28 Feb.", "fact": "2011-02-27T11:40:29Z → 2011-02-28T12:48:12Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 27th and 06:40 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 7288 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Buenos Aires, 2011: Monday 28 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": "2011-02-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-02-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vijayā Ekādaśī 2011 falls on Monday 28 February. Ekādaśī runs from 08:40 on Sun 27 Feb to 09:48 on Mon 28 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-02-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-03-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-03-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22356, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-03-01T11:22:14-03:00", "utc": "2011-03-01T14:22:14Z", "ms": 1298989334322.5718 }, "end": { "local": "2011-03-02T13:16:29-03:00", "utc": "2011-03-02T16:16:29Z", "ms": 1299082589116.1807 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2011-03-01T11:22:14-03:00", "utc": "2011-03-01T14:22:14Z", "ms": 1298989334322.5718 }, "end": { "local": "2011-03-02T13:16:29-03:00", "utc": "2011-03-02T16:16:29Z", "ms": 1299082589116.1807 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-03-01", "window": { "start": { "local": "2011-03-01T19:30:22-03:00", "utc": "2011-03-01T22:30:22Z", "ms": 1299018621506.5374 }, "end": { "local": "2011-03-01T20:59:52-03:00", "utc": "2011-03-01T23:59:52Z", "ms": 1299023992087.1414 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "2011-03-02", "window": { "start": { "local": "2011-03-02T19:29:05-03:00", "utc": "2011-03-02T22:29:05Z", "ms": 1299104944837.3733 }, "end": { "local": "2011-03-02T20:58:53-03:00", "utc": "2011-03-02T23:58:53Z", "ms": 1299110332671.0068 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:22 on Tue 1 Mar to 13:16 on Wed 2 Mar.", "fact": "2011-03-01T14:22:14Z → 2011-03-02T16:16:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:30–21:00 on the 1st, 19:29–20:59 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 1st and 0 of 90 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22356 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2011: Tuesday 1 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": "2011-03-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-03-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2011 falls on Tuesday 1 March. Trayodaśī runs from 11:22 on Tue 1 Mar to 13:16 on Wed 2 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-03-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33352, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-03-02T13:16:29-03:00", "utc": "2011-03-02T16:16:29Z", "ms": 1299082589116.1807 }, "end": { "local": "2011-03-03T15:25:45-03:00", "utc": "2011-03-03T18:25:45Z", "ms": 1299176744535.4734 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2011-03-02T13:16:29-03:00", "utc": "2011-03-02T16:16:29Z", "ms": 1299082589116.1807 }, "end": { "local": "2011-03-03T15:25:45-03:00", "utc": "2011-03-03T18:25:45Z", "ms": 1299176744535.4734 } }, "kaala": "nishita", "days": [ { "local_date": "2011-03-02", "window": { "start": { "local": "2011-03-03T00:41:49-03:00", "utc": "2011-03-03T03:41:49Z", "ms": 1299123709213.499 }, "end": { "local": "2011-03-03T01:29:49-03:00", "utc": "2011-03-03T04:29:49Z", "ms": 1299126589213.499 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-03-03", "window": { "start": { "local": "2011-03-04T00:41:37-03:00", "utc": "2011-03-04T03:41:37Z", "ms": 1299210096768.2139 }, "end": { "local": "2011-03-04T01:29:37-03:00", "utc": "2011-03-04T04:29:37Z", "ms": 1299212976768.2139 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:16 on Wed 2 Mar to 15:26 on Thu 3 Mar.", "fact": "2011-03-02T16:16:29Z → 2011-03-03T18:25:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:42–01:30 on the 2nd, 00:42–01:30 on the 3rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 33352 s" }, { "step": "ruling", "text": "Mahāśivarātri, Buenos Aires, 2011: Wednesday 2 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-03-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahāśivarātri 2011 falls on Wednesday 2 March. Caturdaśī runs from 13:16 on Wed 2 Mar to 15:26 on Thu 3 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-03-08", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32589, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-03-08T01:14:23-03:00", "utc": "2011-03-08T04:14:23Z", "ms": 1299557663063.881 }, "end": { "local": "2011-03-09T03:36:39-03:00", "utc": "2011-03-09T06:36:39Z", "ms": 1299652598514.2573 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2011-03-08T01:14:23-03:00", "utc": "2011-03-08T04:14:23Z", "ms": 1299557663063.881 }, "end": { "local": "2011-03-09T03:36:39-03:00", "utc": "2011-03-09T06:36:39Z", "ms": 1299652598514.2573 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-03-08", "window": { "start": { "local": "2011-03-08T12:40:03-03:00", "utc": "2011-03-08T15:40:03Z", "ms": 1299598802610.7363 }, "end": { "local": "2011-03-08T13:28:03-03:00", "utc": "2011-03-08T16:28:03Z", "ms": 1299601682610.7363 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-03-09", "window": { "start": { "local": "2011-03-09T12:39:48-03:00", "utc": "2011-03-09T15:39:48Z", "ms": 1299685187814.296 }, "end": { "local": "2011-03-09T13:27:48-03:00", "utc": "2011-03-09T16:27:48Z", "ms": 1299688067814.296 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:14 on Tue 8 Mar to 03:37 on Wed 9 Mar.", "fact": "2011-03-08T04:14:23Z → 2011-03-09T06:36:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 8th, 12:40–13:28 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32589 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2011: Tuesday 8 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": "2011-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-03-08", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2011 falls on Tuesday 8 March. Caturthī runs from 01:14 on Tue 8 Mar to 03:37 on Wed 9 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-03-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/ekadashi?on=2011-03-15", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 751, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-03-15T07:05:12-03:00", "utc": "2011-03-15T10:05:12Z", "ms": 1300183512261.5276 }, "end": { "local": "2011-03-16T04:59:56-03:00", "utc": "2011-03-16T07:59:56Z", "ms": 1300262395563.8376 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2011-03-15T07:05:12-03:00", "utc": "2011-03-15T10:05:12Z", "ms": 1300183512261.5276 }, "end": { "local": "2011-03-16T04:59:56-03:00", "utc": "2011-03-16T07:59:56Z", "ms": 1300262395563.8376 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-03-15", "window": { "start": { "local": "2011-03-15T06:52:41-03:00", "utc": "2011-03-15T09:52:41Z", "ms": 1300182760982.4297 }, "end": { "local": "2011-03-15T06:52:41-03:00", "utc": "2011-03-15T09:52:41Z", "ms": 1300182760982.4297 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-03-16", "window": { "start": { "local": "2011-03-16T06:53:30-03:00", "utc": "2011-03-16T09:53:30Z", "ms": 1300269209684.9795 }, "end": { "local": "2011-03-16T06:53:30-03:00", "utc": "2011-03-16T09:53:30Z", "ms": 1300269209684.9795 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:05 on Tue 15 Mar to 05:00 on Wed 16 Mar.", "fact": "2011-03-15T10:05:12Z → 2011-03-16T07:59:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:53 on the 15th and 06:53 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is not on the 16th.", "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 751 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Buenos Aires, 2011: Tuesday 15 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": "2011-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-03-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Āmalakī Ekādaśī 2011 falls on Tuesday 15 March. Ekādaśī runs from 07:05 on Tue 15 Mar to 05:00 on Wed 16 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-03-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-03-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7703, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-03-17T02:12:34-03:00", "utc": "2011-03-17T05:12:34Z", "ms": 1300338754034.5808 }, "end": { "local": "2011-03-17T22:51:30-03:00", "utc": "2011-03-18T01:51:30Z", "ms": 1300413089954.0073 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2011-03-17T02:12:34-03:00", "utc": "2011-03-17T05:12:34Z", "ms": 1300338754034.5808 }, "end": { "local": "2011-03-17T22:51:30-03:00", "utc": "2011-03-18T01:51:30Z", "ms": 1300413089954.0073 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-03-16", "window": { "start": { "local": "2011-03-16T19:10:21-03:00", "utc": "2011-03-16T22:10:21Z", "ms": 1300313420619.9822 }, "end": { "local": "2011-03-16T20:44:12-03:00", "utc": "2011-03-16T23:44:12Z", "ms": 1300319052289.356 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2011-03-17", "window": { "start": { "local": "2011-03-17T19:08:58-03:00", "utc": "2011-03-17T22:08:58Z", "ms": 1300399737852.285 }, "end": { "local": "2011-03-17T20:43:07-03:00", "utc": "2011-03-17T23:43:07Z", "ms": 1300405386987.1692 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:13 on Thu 17 Mar to 22:51 on Thu 17 Mar.", "fact": "2011-03-17T05:12:34Z → 2011-03-18T01:51:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:10–20:44 on the 16th, 19:09–20:43 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 16th and 94 of 94 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7703 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2011: Thursday 17 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": "2011-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-03-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2011 falls on Thursday 17 March. Trayodaśī runs from 02:13 on Thu 17 Mar to 22:51 on Thu 17 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-03-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-03-18", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 41, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-03-18T19:06:54-03:00", "utc": "2011-03-18T22:06:54Z", "ms": 1300486014241.1172 }, "end": { "local": "2011-03-19T15:10:03-03:00", "utc": "2011-03-19T18:10:03Z", "ms": 1300558203493.3623 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2011-03-18T19:06:54-03:00", "utc": "2011-03-18T22:06:54Z", "ms": 1300486014241.1172 }, "end": { "local": "2011-03-19T15:10:03-03:00", "utc": "2011-03-19T18:10:03Z", "ms": 1300558203493.3623 } }, "kaala": "sayahna", "days": [ { "local_date": "2011-03-18", "window": { "start": { "local": "2011-03-18T16:41:05-03:00", "utc": "2011-03-18T19:41:05Z", "ms": 1300477265206.6643 }, "end": { "local": "2011-03-18T19:07:35-03:00", "utc": "2011-03-18T22:07:35Z", "ms": 1300486054917.3508 } }, "covered_min": 1, "window_min": 146, "qualifies": true }, { "local_date": "2011-03-19", "window": { "start": { "local": "2011-03-19T16:40:08-03:00", "utc": "2011-03-19T19:40:08Z", "ms": 1300563608352.484 }, "end": { "local": "2011-03-19T19:06:12-03:00", "utc": "2011-03-19T22:06:12Z", "ms": 1300572371847.2893 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:07 on Fri 18 Mar to 15:10 on Sat 19 Mar.", "fact": "2011-03-18T22:06:54Z → 2011-03-19T18:10:03Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:41–19:08 on the 18th, 16:40–19:06 on the 19th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 1 of 146 minutes on the 18th and 0 of 146 on the 19th.", "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 41 s < 300 s" }, { "step": "ruling", "text": "Holikā Dahana, Buenos Aires, 2011: Friday 18 March.", "fact": "confidence: boundary (margin)" } ], "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": "2011-03-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-03-18", "confidence": "boundary" } ], "quote": "In Buenos Aires, Holikā Dahana 2011 falls on Friday 18 March. Pūrṇimā runs from 19:07 on Fri 18 Mar to 15:10 on Sat 19 Mar and covers 1 of 146 minutes of sāyāhna that late afternoon. It is 0 min 41 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-03-19", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 41, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-03-18T19:06:54-03:00", "utc": "2011-03-18T22:06:54Z", "ms": 1300486014241.1172 }, "end": { "local": "2011-03-19T15:10:03-03:00", "utc": "2011-03-19T18:10:03Z", "ms": 1300558203493.3623 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2011-03-18T19:06:54-03:00", "utc": "2011-03-18T22:06:54Z", "ms": 1300486014241.1172 }, "end": { "local": "2011-03-19T15:10:03-03:00", "utc": "2011-03-19T18:10:03Z", "ms": 1300558203493.3623 } }, "kaala": "sayahna", "days": [ { "local_date": "2011-03-18", "window": { "start": { "local": "2011-03-18T16:41:05-03:00", "utc": "2011-03-18T19:41:05Z", "ms": 1300477265206.6643 }, "end": { "local": "2011-03-18T19:07:35-03:00", "utc": "2011-03-18T22:07:35Z", "ms": 1300486054917.3508 } }, "covered_min": 1, "window_min": 146, "qualifies": true }, { "local_date": "2011-03-19", "window": { "start": { "local": "2011-03-19T16:40:08-03:00", "utc": "2011-03-19T19:40:08Z", "ms": 1300563608352.484 }, "end": { "local": "2011-03-19T19:06:12-03:00", "utc": "2011-03-19T22:06:12Z", "ms": 1300572371847.2893 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2011-03-18", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:07 on Fri 18 Mar to 15:10 on Sat 19 Mar.", "fact": "2011-03-18T22:06:54Z → 2011-03-19T18:10:03Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:41–19:08 on the 18th, 16:40–19:06 on the 19th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 1 of 146 minutes on the 18th and 0 of 146 on the 19th.", "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 41 s < 300 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Friday 18 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Buenos Aires, 2011: Saturday 19 March.", "fact": "confidence: boundary (margin)" } ], "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": "2011-03-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-03-19", "confidence": "boundary" } ], "quote": "In Buenos Aires, Holī 2011 falls on Saturday 19 March. It is kept the day after Holikā Dahana, which falls on Friday 18 March. Pūrṇimā runs from 19:07 on Fri 18 Mar to 15:10 on Sat 19 Mar and covers 1 of 146 minutes of sāyāhna on the 18th. It is 0 min 41 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15362, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2011-03-19T15:10:03-03:00", "utc": "2011-03-19T18:10:03Z", "ms": 1300558203493.3623 }, "end": { "local": "2011-03-20T11:12:44-03:00", "utc": "2011-03-20T14:12:44Z", "ms": 1300630364331.7217 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-03-19T15:10:03-03:00", "utc": "2011-03-19T18:10:03Z", "ms": 1300558203493.3623 }, "end": { "local": "2011-03-20T11:12:44-03:00", "utc": "2011-03-20T14:12:44Z", "ms": 1300630364331.7217 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-03-19", "window": { "start": { "local": "2011-03-19T06:55:54-03:00", "utc": "2011-03-19T09:55:54Z", "ms": 1300528554373.262 }, "end": { "local": "2011-03-19T06:55:54-03:00", "utc": "2011-03-19T09:55:54Z", "ms": 1300528554373.262 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-03-20", "window": { "start": { "local": "2011-03-20T06:56:42-03:00", "utc": "2011-03-20T09:56:42Z", "ms": 1300615002186.9556 }, "end": { "local": "2011-03-20T06:56:42-03:00", "utc": "2011-03-20T09:56:42Z", "ms": 1300615002186.9556 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:10 on Sat 19 Mar to 11:13 on Sun 20 Mar.", "fact": "2011-03-19T18:10:03Z → 2011-03-20T14:12:44Z" }, { "step": "kaala", "text": "Sunrise is at 06:56 on the 19th and 06:57 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15362 s" }, { "step": "ruling", "text": "Vasantotsava, Buenos Aires, 2011: Sunday 20 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": "2011-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-03-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vasantotsava 2011 falls on Sunday 20 March. Pratipadā runs from 15:10 on Sat 19 Mar to 11:13 on Sun 20 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-03-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15537, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-03-22T04:03:13-03:00", "utc": "2011-03-22T07:03:13Z", "ms": 1300777392606.014 }, "end": { "local": "2011-03-23T01:12:23-03:00", "utc": "2011-03-23T04:12:23Z", "ms": 1300853542838.8054 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-03-22T04:03:13-03:00", "utc": "2011-03-22T07:03:13Z", "ms": 1300777392606.014 }, "end": { "local": "2011-03-23T01:12:23-03:00", "utc": "2011-03-23T04:12:23Z", "ms": 1300853542838.8054 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-03-21", "window": { "start": { "local": "2011-03-21T20:08:23-03:00", "utc": "2011-03-21T23:08:23Z", "ms": 1300748903326.9158 }, "end": { "local": "2011-03-21T20:08:23-03:00", "utc": "2011-03-21T23:08:23Z", "ms": 1300748903326.9158 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-03-22", "window": { "start": { "local": "2011-03-22T20:53:26-03:00", "utc": "2011-03-22T23:53:26Z", "ms": 1300838006226.9465 }, "end": { "local": "2011-03-22T20:53:26-03:00", "utc": "2011-03-22T23:53:26Z", "ms": 1300838006226.9465 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:03 on Tue 22 Mar to 01:12 on Wed 23 Mar.", "fact": "2011-03-22T07:03:13Z → 2011-03-23T04:12:23Z" }, { "step": "kaala", "text": "Moonrise is at 20:08 on the 21st and 20:53 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15537 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2011: Tuesday 22 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": "2011-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-03-22", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2011 falls on Tuesday 22 March. Caturthī runs from 04:03 on Tue 22 Mar to 01:12 on Wed 23 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-03-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27758, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2011-03-25T21:05:54-03:00", "utc": "2011-03-26T00:05:54Z", "ms": 1301097954060.597 }, "end": { "local": "2011-03-26T21:20:22-03:00", "utc": "2011-03-27T00:20:22Z", "ms": 1301185222221.3264 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-03-25T21:05:54-03:00", "utc": "2011-03-26T00:05:54Z", "ms": 1301097954060.597 }, "end": { "local": "2011-03-26T21:20:22-03:00", "utc": "2011-03-27T00:20:22Z", "ms": 1301185222221.3264 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-03-25", "window": { "start": { "local": "2011-03-25T12:35:16-03:00", "utc": "2011-03-25T15:35:16Z", "ms": 1301067315673.3696 }, "end": { "local": "2011-03-25T13:23:16-03:00", "utc": "2011-03-25T16:23:16Z", "ms": 1301070195673.3696 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-03-26", "window": { "start": { "local": "2011-03-26T12:34:58-03:00", "utc": "2011-03-26T15:34:58Z", "ms": 1301153697612.3086 }, "end": { "local": "2011-03-26T13:22:58-03:00", "utc": "2011-03-26T16:22:58Z", "ms": 1301156577612.3086 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 21:06 on Fri 25 Mar to 21:20 on Sat 26 Mar.", "fact": "2011-03-26T00:05:54Z → 2011-03-27T00:20:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 25th, 12:35–13:23 on the 26th.", "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 25th and 48 of 48 on the 26th.", "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 27758 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Buenos Aires, 2011: Saturday 26 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": "2011-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-03-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śītalāṣṭamī 2011 falls on Saturday 26 March. Aṣṭamī runs from 21:06 on Fri 25 Mar to 21:20 on Sat 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-03-29", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18767, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-03-28T23:51:42-03:00", "utc": "2011-03-29T02:51:42Z", "ms": 1301367102322.4727 }, "end": { "local": "2011-03-30T01:51:46-03:00", "utc": "2011-03-30T04:51:46Z", "ms": 1301460706196.9604 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-03-28T23:51:42-03:00", "utc": "2011-03-29T02:51:42Z", "ms": 1301367102322.4727 }, "end": { "local": "2011-03-30T01:51:46-03:00", "utc": "2011-03-30T04:51:46Z", "ms": 1301460706196.9604 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-03-29", "window": { "start": { "local": "2011-03-29T07:03:46-03:00", "utc": "2011-03-29T10:03:46Z", "ms": 1301393026417.4492 }, "end": { "local": "2011-03-29T07:03:46-03:00", "utc": "2011-03-29T10:03:46Z", "ms": 1301393026417.4492 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-03-30", "window": { "start": { "local": "2011-03-30T07:04:33-03:00", "utc": "2011-03-30T10:04:33Z", "ms": 1301479473102.5054 }, "end": { "local": "2011-03-30T07:04:33-03:00", "utc": "2011-03-30T10:04:33Z", "ms": 1301479473102.5054 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:52 on Mon 28 Mar to 01:52 on Wed 30 Mar.", "fact": "2011-03-29T02:51:42Z → 2011-03-30T04:51:46Z" }, { "step": "kaala", "text": "Sunrise is at 07:04 on the 29th and 07:05 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18767 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Buenos Aires, 2011: Tuesday 29 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": "2011-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-03-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Pāpamocanī Ekādaśī 2011 falls on Tuesday 29 March. Ekādaśī runs from 23:52 on Mon 28 Mar to 01:52 on Wed 30 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-03-31", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27616, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-03-31T04:09:09-03:00", "utc": "2011-03-31T07:09:09Z", "ms": 1301555349146.1113 }, "end": { "local": "2011-04-01T06:35:45-03:00", "utc": "2011-04-01T09:35:45Z", "ms": 1301650544512.8828 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-03-31T04:09:09-03:00", "utc": "2011-03-31T07:09:09Z", "ms": 1301555349146.1113 }, "end": { "local": "2011-04-01T06:35:45-03:00", "utc": "2011-04-01T09:35:45Z", "ms": 1301650544512.8828 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-03-30", "window": { "start": { "local": "2011-03-30T18:50:58-03:00", "utc": "2011-03-30T21:50:58Z", "ms": 1301521858256.5132 }, "end": { "local": "2011-03-30T20:28:53-03:00", "utc": "2011-03-30T23:28:53Z", "ms": 1301527733119.741 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2011-03-31", "window": { "start": { "local": "2011-03-31T18:49:36-03:00", "utc": "2011-03-31T21:49:36Z", "ms": 1301608175999.875 }, "end": { "local": "2011-03-31T20:27:48-03:00", "utc": "2011-03-31T23:27:48Z", "ms": 1301614068041.1255 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:09 on Thu 31 Mar to 06:36 on Fri 1 Apr.", "fact": "2011-03-31T07:09:09Z → 2011-04-01T09:35:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:29 on the 30th, 18:50–20:28 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 30th and 98 of 98 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 27616 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2011: Thursday 31 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": "2011-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-03-31", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2011 falls on Thursday 31 March. Trayodaśī runs from 04:09 on Thu 31 Mar to 06:36 on Fri 1 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-03-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shivaratri?on=2011-04-01", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18833, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-04-01T06:35:45-03:00", "utc": "2011-04-01T09:35:45Z", "ms": 1301650544512.8828 }, "end": { "local": "2011-04-02T09:05:06-03:00", "utc": "2011-04-02T12:05:06Z", "ms": 1301745905775.9846 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-04-01T06:35:45-03:00", "utc": "2011-04-01T09:35:45Z", "ms": 1301650544512.8828 }, "end": { "local": "2011-04-02T09:05:06-03:00", "utc": "2011-04-02T12:05:06Z", "ms": 1301745905775.9846 } }, "kaala": "nishita", "days": [ { "local_date": "2011-03-31", "window": { "start": { "local": "2011-04-01T00:33:51-03:00", "utc": "2011-04-01T03:33:51Z", "ms": 1301628831154.5645 }, "end": { "local": "2011-04-01T01:21:51-03:00", "utc": "2011-04-01T04:21:51Z", "ms": 1301631711154.5645 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-04-01", "window": { "start": { "local": "2011-04-02T00:33:33-03:00", "utc": "2011-04-02T03:33:33Z", "ms": 1301715213421.1094 }, "end": { "local": "2011-04-02T01:21:33-03:00", "utc": "2011-04-02T04:21:33Z", "ms": 1301718093421.1094 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:36 on Fri 1 Apr to 09:05 on Sat 2 Apr.", "fact": "2011-04-01T09:35:45Z → 2011-04-02T12:05:06Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:34–01:22 on the 31st, 00:34–01:22 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 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18833 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2011: Friday 1 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": "2011-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2011 falls on Friday 1 April. Caturdaśī runs from 06:36 on Fri 1 Apr to 09:05 on Sat 2 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/shivaratri?on=2011-04-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1990, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2011-04-03T11:32:19-03:00", "utc": "2011-04-03T14:32:19Z", "ms": 1301841139375.688 }, "end": { "local": "2011-04-04T13:53:27-03:00", "utc": "2011-04-04T16:53:27Z", "ms": 1301936007295.609 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-04-03T11:32:19-03:00", "utc": "2011-04-03T14:32:19Z", "ms": 1301841139375.688 }, "end": { "local": "2011-04-04T13:53:27-03:00", "utc": "2011-04-04T16:53:27Z", "ms": 1301936007295.609 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-04-03", "window": { "start": { "local": "2011-04-03T12:32:35-03:00", "utc": "2011-04-03T15:32:35Z", "ms": 1301844755102.2349 }, "end": { "local": "2011-04-03T13:20:35-03:00", "utc": "2011-04-03T16:20:35Z", "ms": 1301847635102.2349 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-04-04", "window": { "start": { "local": "2011-04-04T12:32:18-03:00", "utc": "2011-04-04T15:32:18Z", "ms": 1301931137795.049 }, "end": { "local": "2011-04-04T13:20:18-03:00", "utc": "2011-04-04T16:20:18Z", "ms": 1301934017795.049 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:32 on Sun 3 Apr to 13:53 on Mon 4 Apr.", "fact": "2011-04-03T14:32:19Z → 2011-04-04T16:53:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 3rd, 12:32–13:20 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "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 1990 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Buenos Aires, 2011: Monday 4 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": "2011-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Navarātrārambha (Caitra) (Chaitra Navratri) 2011 falls on Monday 4 April. Pratipadā runs from 11:32 on Sun 3 Apr to 13:53 on Mon 4 Apr and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9876, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2011-04-05T16:04:37-03:00", "utc": "2011-04-05T19:04:37Z", "ms": 1302030276699.5276 }, "end": { "local": "2011-04-06T18:01:15-03:00", "utc": "2011-04-06T21:01:15Z", "ms": 1302123675222.1902 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-04-05T16:04:37-03:00", "utc": "2011-04-05T19:04:37Z", "ms": 1302030276699.5276 }, "end": { "local": "2011-04-06T18:01:15-03:00", "utc": "2011-04-06T21:01:15Z", "ms": 1302123675222.1902 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-04-05", "window": { "start": { "local": "2011-04-05T12:32:01-03:00", "utc": "2011-04-05T15:32:01Z", "ms": 1302017520654.2766 }, "end": { "local": "2011-04-05T13:20:01-03:00", "utc": "2011-04-05T16:20:01Z", "ms": 1302020400654.2766 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-04-06", "window": { "start": { "local": "2011-04-06T12:31:44-03:00", "utc": "2011-04-06T15:31:44Z", "ms": 1302103903695.2178 }, "end": { "local": "2011-04-06T13:19:44-03:00", "utc": "2011-04-06T16:19:44Z", "ms": 1302106783695.2178 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:05 on Tue 5 Apr to 18:01 on Wed 6 Apr.", "fact": "2011-04-05T19:04:37Z → 2011-04-06T21:01:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 5th, 12:32–13:20 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9876 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Buenos Aires, 2011: Wednesday 6 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": "2011-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gaurī Tṛtīyā (Gangaur) 2011 falls on Wednesday 6 April. Tṛtīyā runs from 16:05 on Tue 5 Apr to 18:01 on Wed 6 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9876, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2011-04-05T16:04:37-03:00", "utc": "2011-04-05T19:04:37Z", "ms": 1302030276699.5276 }, "end": { "local": "2011-04-06T18:01:15-03:00", "utc": "2011-04-06T21:01:15Z", "ms": 1302123675222.1902 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-04-05T16:04:37-03:00", "utc": "2011-04-05T19:04:37Z", "ms": 1302030276699.5276 }, "end": { "local": "2011-04-06T18:01:15-03:00", "utc": "2011-04-06T21:01:15Z", "ms": 1302123675222.1902 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-04-05", "window": { "start": { "local": "2011-04-05T12:32:01-03:00", "utc": "2011-04-05T15:32:01Z", "ms": 1302017520654.2766 }, "end": { "local": "2011-04-05T13:20:01-03:00", "utc": "2011-04-05T16:20:01Z", "ms": 1302020400654.2766 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-04-06", "window": { "start": { "local": "2011-04-06T12:31:44-03:00", "utc": "2011-04-06T15:31:44Z", "ms": 1302103903695.2178 }, "end": { "local": "2011-04-06T13:19:44-03:00", "utc": "2011-04-06T16:19:44Z", "ms": 1302106783695.2178 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:05 on Tue 5 Apr to 18:01 on Wed 6 Apr.", "fact": "2011-04-05T19:04:37Z → 2011-04-06T21:01:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 5th, 12:32–13:20 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9876 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Buenos Aires, 2011: Wednesday 6 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": "2011-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saubhāgya Śayana Vrata 2011 falls on Wednesday 6 April. Tṛtīyā runs from 16:05 on Tue 5 Apr to 18:01 on Wed 6 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-04-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16892, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-04-06T18:01:15-03:00", "utc": "2011-04-06T21:01:15Z", "ms": 1302123675222.1902 }, "end": { "local": "2011-04-07T19:37:48-03:00", "utc": "2011-04-07T22:37:48Z", "ms": 1302215868085.6182 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-04-06T18:01:15-03:00", "utc": "2011-04-06T21:01:15Z", "ms": 1302123675222.1902 }, "end": { "local": "2011-04-07T19:37:48-03:00", "utc": "2011-04-07T22:37:48Z", "ms": 1302215868085.6182 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-04-06", "window": { "start": { "local": "2011-04-06T12:31:44-03:00", "utc": "2011-04-06T15:31:44Z", "ms": 1302103903695.2178 }, "end": { "local": "2011-04-06T13:19:44-03:00", "utc": "2011-04-06T16:19:44Z", "ms": 1302106783695.2178 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-04-07", "window": { "start": { "local": "2011-04-07T12:31:27-03:00", "utc": "2011-04-07T15:31:27Z", "ms": 1302190286932.9893 }, "end": { "local": "2011-04-07T13:19:27-03:00", "utc": "2011-04-07T16:19:27Z", "ms": 1302193166932.9893 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:01 on Wed 6 Apr to 19:38 on Thu 7 Apr.", "fact": "2011-04-06T21:01:15Z → 2011-04-07T22:37:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 6th, 12:31–13:19 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 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 16892 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2011: Thursday 7 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": "2011-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2011 falls on Thursday 7 April. Caturthī runs from 18:01 on Wed 6 Apr to 19:38 on Thu 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-04-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22701, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2011-04-07T19:37:48-03:00", "utc": "2011-04-07T22:37:48Z", "ms": 1302215868085.6182 }, "end": { "local": "2011-04-08T20:47:47-03:00", "utc": "2011-04-08T23:47:47Z", "ms": 1302306467405.233 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-04-07T19:37:48-03:00", "utc": "2011-04-07T22:37:48Z", "ms": 1302215868085.6182 }, "end": { "local": "2011-04-08T20:47:47-03:00", "utc": "2011-04-08T23:47:47Z", "ms": 1302306467405.233 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-04-07", "window": { "start": { "local": "2011-04-07T12:31:27-03:00", "utc": "2011-04-07T15:31:27Z", "ms": 1302190286932.9893 }, "end": { "local": "2011-04-07T13:19:27-03:00", "utc": "2011-04-07T16:19:27Z", "ms": 1302193166932.9893 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-04-08", "window": { "start": { "local": "2011-04-08T12:31:10-03:00", "utc": "2011-04-08T15:31:10Z", "ms": 1302276670382.597 }, "end": { "local": "2011-04-08T13:19:10-03:00", "utc": "2011-04-08T16:19:10Z", "ms": 1302279550382.597 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:38 on Thu 7 Apr to 20:48 on Fri 8 Apr.", "fact": "2011-04-07T22:37:48Z → 2011-04-08T23:47:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 7th, 12:31–13:19 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22701 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Buenos Aires, 2011: Friday 8 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": "2011-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-08", "confidence": "determinate" } ], "quote": "In Buenos Aires, Lakṣmī Pañcamī 2011 falls on Friday 8 April. Pañcamī runs from 19:38 on Thu 7 Apr to 20:48 on Fri 8 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26344, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2011-04-10T21:22:23-03:00", "utc": "2011-04-11T00:22:23Z", "ms": 1302481343064.2034 }, "end": { "local": "2011-04-11T20:37:26-03:00", "utc": "2011-04-11T23:37:26Z", "ms": 1302565046199.5896 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-04-10T21:22:23-03:00", "utc": "2011-04-11T00:22:23Z", "ms": 1302481343064.2034 }, "end": { "local": "2011-04-11T20:37:26-03:00", "utc": "2011-04-11T23:37:26Z", "ms": 1302565046199.5896 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-04-10", "window": { "start": { "local": "2011-04-10T12:30:38-03:00", "utc": "2011-04-10T15:30:38Z", "ms": 1302449437977.3032 }, "end": { "local": "2011-04-10T13:18:38-03:00", "utc": "2011-04-10T16:18:38Z", "ms": 1302452317977.3032 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-04-11", "window": { "start": { "local": "2011-04-11T12:30:22-03:00", "utc": "2011-04-11T15:30:22Z", "ms": 1302535822152.7168 }, "end": { "local": "2011-04-11T13:18:22-03:00", "utc": "2011-04-11T16:18:22Z", "ms": 1302538702152.7168 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 21:22 on Sun 10 Apr to 20:37 on Mon 11 Apr.", "fact": "2011-04-11T00:22:23Z → 2011-04-11T23:37:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 10th, 12:30–13:18 on the 11th.", "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 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: paraviddha → only-day · margin 26344 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Buenos Aires, 2011: Monday 11 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": "2011-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Bhavānī Utpatti 2011 falls on Monday 11 April. Aṣṭamī runs from 21:22 on Sun 10 Apr to 20:37 on Mon 11 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21036, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2011-04-11T20:37:26-03:00", "utc": "2011-04-11T23:37:26Z", "ms": 1302565046199.5896 }, "end": { "local": "2011-04-12T19:08:42-03:00", "utc": "2011-04-12T22:08:42Z", "ms": 1302646122427.4312 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-04-11T20:37:26-03:00", "utc": "2011-04-11T23:37:26Z", "ms": 1302565046199.5896 }, "end": { "local": "2011-04-12T19:08:42-03:00", "utc": "2011-04-12T22:08:42Z", "ms": 1302646122427.4312 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-04-11", "window": { "start": { "local": "2011-04-11T12:30:22-03:00", "utc": "2011-04-11T15:30:22Z", "ms": 1302535822152.7168 }, "end": { "local": "2011-04-11T13:18:22-03:00", "utc": "2011-04-11T16:18:22Z", "ms": 1302538702152.7168 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-04-12", "window": { "start": { "local": "2011-04-12T12:30:07-03:00", "utc": "2011-04-12T15:30:07Z", "ms": 1302622206600.8955 }, "end": { "local": "2011-04-12T13:18:07-03:00", "utc": "2011-04-12T16:18:07Z", "ms": 1302625086600.8955 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 20:37 on Mon 11 Apr to 19:09 on Tue 12 Apr.", "fact": "2011-04-11T23:37:26Z → 2011-04-12T22:08:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 11th, 12:30–13:18 on the 12th.", "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 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21036 s" }, { "step": "ruling", "text": "Rāma Navamī, Buenos Aires, 2011: Tuesday 12 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": "2011-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rāma Navamī 2011 falls on Tuesday 12 April. Navamī runs from 20:37 on Mon 11 Apr to 19:09 on Tue 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9960, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2011-04-14T04:30:10-03:00", "utc": "2011-04-14T07:30:10Z", "ms": 1302766209974.1213 }, "end": { "local": "2011-05-15T01:20:09-03:00", "utc": "2011-05-15T04:20:09Z", "ms": 1305433208686.5007 } }, "span": { "of": "transit", "start": { "local": "2011-04-14T04:30:10-03:00", "utc": "2011-04-14T07:30:10Z", "ms": 1302766209974.1213 }, "end": { "local": "2011-04-14T04:30:10-03:00", "utc": "2011-04-14T07:30:10Z", "ms": 1302766209974.1213 } }, "kaala": "day", "days": [ { "local_date": "2011-04-13", "window": { "start": { "local": "2011-04-13T07:15:23-03:00", "utc": "2011-04-13T10:15:23Z", "ms": 1302689723339.525 }, "end": { "local": "2011-04-14T07:16:10-03:00", "utc": "2011-04-14T10:16:10Z", "ms": 1302776169729.3955 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2011-04-14", "window": { "start": { "local": "2011-04-14T07:16:10-03:00", "utc": "2011-04-14T10:16:10Z", "ms": 1302776169729.3955 }, "end": { "local": "2011-04-15T07:16:56-03:00", "utc": "2011-04-15T10:16:56Z", "ms": 1302862616136.4758 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 04:30 on Thu 14 Apr.", "fact": "2011-04-14T07:30:10Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 07:15 on the 13th, and from 07:16 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 9960 s" }, { "step": "ruling", "text": "Vaiśākhī, Buenos Aires, 2011: Wednesday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2011-04-14", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2011-04-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Buenos Aires, Vaiśākhī 2011 falls on Wednesday 13 April. The Sun enters Meṣa at 04:30 on Thu 14 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-04-14", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24889, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-04-13T16:58:14-03:00", "utc": "2011-04-13T19:58:14Z", "ms": 1302724694390.9644 }, "end": { "local": "2011-04-14T14:10:58-03:00", "utc": "2011-04-14T17:10:58Z", "ms": 1302801058342.8435 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-04-13T16:58:14-03:00", "utc": "2011-04-13T19:58:14Z", "ms": 1302724694390.9644 }, "end": { "local": "2011-04-14T14:10:58-03:00", "utc": "2011-04-14T17:10:58Z", "ms": 1302801058342.8435 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-04-13", "window": { "start": { "local": "2011-04-13T07:15:23-03:00", "utc": "2011-04-13T10:15:23Z", "ms": 1302689723339.525 }, "end": { "local": "2011-04-13T07:15:23-03:00", "utc": "2011-04-13T10:15:23Z", "ms": 1302689723339.525 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-04-14", "window": { "start": { "local": "2011-04-14T07:16:10-03:00", "utc": "2011-04-14T10:16:10Z", "ms": 1302776169729.3955 }, "end": { "local": "2011-04-14T07:16:10-03:00", "utc": "2011-04-14T10:16:10Z", "ms": 1302776169729.3955 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:58 on Wed 13 Apr to 14:11 on Thu 14 Apr.", "fact": "2011-04-13T19:58:14Z → 2011-04-14T17:10:58Z" }, { "step": "kaala", "text": "Sunrise is at 07:15 on the 13th and 07:16 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24889 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Buenos Aires, 2011: Thursday 14 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": "2011-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kāmadā Ekādaśī 2011 falls on Thursday 14 April. Ekādaśī runs from 16:58 on Wed 13 Apr to 14:11 on Thu 14 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-04-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5707, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-04-15T10:54:15-03:00", "utc": "2011-04-15T13:54:15Z", "ms": 1302875654829.5947 }, "end": { "local": "2011-04-16T07:17:12-03:00", "utc": "2011-04-16T10:17:12Z", "ms": 1302949031703.7878 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-04-15T10:54:15-03:00", "utc": "2011-04-15T13:54:15Z", "ms": 1302875654829.5947 }, "end": { "local": "2011-04-16T07:17:12-03:00", "utc": "2011-04-16T10:17:12Z", "ms": 1302949031703.7878 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-04-15", "window": { "start": { "local": "2011-04-15T12:29:22-03:00", "utc": "2011-04-15T15:29:22Z", "ms": 1302881361748.048 }, "end": { "local": "2011-04-15T13:17:22-03:00", "utc": "2011-04-15T16:17:22Z", "ms": 1302884241748.048 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-04-16", "window": { "start": { "local": "2011-04-16T12:29:07-03:00", "utc": "2011-04-16T15:29:07Z", "ms": 1302967747457.5762 }, "end": { "local": "2011-04-16T13:17:07-03:00", "utc": "2011-04-16T16:17:07Z", "ms": 1302970627457.5762 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:54 on Fri 15 Apr to 07:17 on Sat 16 Apr.", "fact": "2011-04-15T13:54:15Z → 2011-04-16T10:17:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 15th, 12:29–13:17 on the 16th.", "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 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: purvaviddha → only-day · margin 5707 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Buenos Aires, 2011: Friday 15 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": "2011-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Anaṅga Trayodaśī 2011 falls on Friday 15 April. Trayodaśī runs from 10:54 on Fri 15 Apr to 07:17 on Sat 16 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-04-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27333, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-04-15T10:54:15-03:00", "utc": "2011-04-15T13:54:15Z", "ms": 1302875654829.5947 }, "end": { "local": "2011-04-16T07:17:12-03:00", "utc": "2011-04-16T10:17:12Z", "ms": 1302949031703.7878 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-04-15T10:54:15-03:00", "utc": "2011-04-15T13:54:15Z", "ms": 1302875654829.5947 }, "end": { "local": "2011-04-16T07:17:12-03:00", "utc": "2011-04-16T10:17:12Z", "ms": 1302949031703.7878 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-04-15", "window": { "start": { "local": "2011-04-15T18:29:47-03:00", "utc": "2011-04-15T21:29:47Z", "ms": 1302902987359.6204 }, "end": { "local": "2011-04-15T20:12:11-03:00", "utc": "2011-04-15T23:12:11Z", "ms": 1302909130720.7666 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "2011-04-16", "window": { "start": { "local": "2011-04-16T18:28:32-03:00", "utc": "2011-04-16T21:28:32Z", "ms": 1302989312346.9343 }, "end": { "local": "2011-04-16T20:11:12-03:00", "utc": "2011-04-16T23:11:12Z", "ms": 1302995471905.0737 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:54 on Fri 15 Apr to 07:17 on Sat 16 Apr.", "fact": "2011-04-15T13:54:15Z → 2011-04-16T10:17:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–20:12 on the 15th, 18:29–20:11 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 15th and 0 of 103 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27333 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2011: Friday 15 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": "2011-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2011 falls on Friday 15 April. Trayodaśī runs from 10:54 on Fri 15 Apr to 07:17 on Sat 16 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-04-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18716, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-04-16T07:17:12-03:00", "utc": "2011-04-16T10:17:12Z", "ms": 1302949031703.7878 }, "end": { "local": "2011-04-17T03:30:08-03:00", "utc": "2011-04-17T06:30:08Z", "ms": 1303021807615.5854 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-04-16T07:17:12-03:00", "utc": "2011-04-16T10:17:12Z", "ms": 1302949031703.7878 }, "end": { "local": "2011-04-17T03:30:08-03:00", "utc": "2011-04-17T06:30:08Z", "ms": 1303021807615.5854 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-04-16", "window": { "start": { "local": "2011-04-16T12:29:07-03:00", "utc": "2011-04-16T15:29:07Z", "ms": 1302967747457.5762 }, "end": { "local": "2011-04-16T13:17:07-03:00", "utc": "2011-04-16T16:17:07Z", "ms": 1302970627457.5762 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-04-17", "window": { "start": { "local": "2011-04-17T12:28:54-03:00", "utc": "2011-04-17T15:28:54Z", "ms": 1303054133529.2568 }, "end": { "local": "2011-04-17T13:16:54-03:00", "utc": "2011-04-17T16:16:54Z", "ms": 1303057013529.2568 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:17 on Sat 16 Apr to 03:30 on Sun 17 Apr.", "fact": "2011-04-16T10:17:12Z → 2011-04-17T06:30:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 16th, 12:29–13:17 on the 17th.", "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 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18716 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Buenos Aires, 2011: Saturday 16 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": "2011-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Viṣṇudamanaka Caturdaśī 2011 falls on Saturday 16 April. Caturdaśī runs from 07:17 on Sat 16 Apr to 03:30 on Sun 17 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32326, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-04-17T03:30:08-03:00", "utc": "2011-04-17T06:30:08Z", "ms": 1303021807615.5854 }, "end": { "local": "2011-04-17T23:43:59-03:00", "utc": "2011-04-18T02:43:59Z", "ms": 1303094639359.1416 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2011-04-17T03:30:08-03:00", "utc": "2011-04-17T06:30:08Z", "ms": 1303021807615.5854 }, "end": { "local": "2011-04-17T23:43:59-03:00", "utc": "2011-04-18T02:43:59Z", "ms": 1303094639359.1416 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-04-17", "window": { "start": { "local": "2011-04-17T12:28:54-03:00", "utc": "2011-04-17T15:28:54Z", "ms": 1303054133529.2568 }, "end": { "local": "2011-04-17T13:16:54-03:00", "utc": "2011-04-17T16:16:54Z", "ms": 1303057013529.2568 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-04-18", "window": { "start": { "local": "2011-04-18T12:28:40-03:00", "utc": "2011-04-18T15:28:40Z", "ms": 1303140519982.9565 }, "end": { "local": "2011-04-18T13:16:40-03:00", "utc": "2011-04-18T16:16:40Z", "ms": 1303143399982.9565 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:30 on Sun 17 Apr to 23:44 on Sun 17 Apr.", "fact": "2011-04-17T06:30:08Z → 2011-04-18T02:43:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 17th, 12:29–13:17 on the 18th.", "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 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32326 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Buenos Aires, 2011: Sunday 17 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": "2011-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Caitrī Pūrṇimā 2011 falls on Sunday 17 April. Pūrṇimā runs from 03:30 on Sun 17 Apr to 23:44 on Sun 17 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-04-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21883, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-04-20T14:19:47-03:00", "utc": "2011-04-20T17:19:47Z", "ms": 1303319986563.0068 }, "end": { "local": "2011-04-21T12:21:54-03:00", "utc": "2011-04-21T15:21:54Z", "ms": 1303399314338.6655 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-04-20T14:19:47-03:00", "utc": "2011-04-20T17:19:47Z", "ms": 1303319986563.0068 }, "end": { "local": "2011-04-21T12:21:54-03:00", "utc": "2011-04-21T15:21:54Z", "ms": 1303399314338.6655 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-04-20", "window": { "start": { "local": "2011-04-20T20:24:29-03:00", "utc": "2011-04-20T23:24:29Z", "ms": 1303341869084.5942 }, "end": { "local": "2011-04-20T20:24:29-03:00", "utc": "2011-04-20T23:24:29Z", "ms": 1303341869084.5942 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-04-21", "window": { "start": { "local": "2011-04-21T21:23:07-03:00", "utc": "2011-04-22T00:23:07Z", "ms": 1303431787337.463 }, "end": { "local": "2011-04-21T21:23:07-03:00", "utc": "2011-04-22T00:23:07Z", "ms": 1303431787337.463 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:20 on Wed 20 Apr to 12:22 on Thu 21 Apr.", "fact": "2011-04-20T17:19:47Z → 2011-04-21T15:21:54Z" }, { "step": "kaala", "text": "Moonrise is at 20:24 on the 20th and 21:23 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 21883 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2011: Wednesday 20 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": "2011-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2011 falls on Wednesday 20 April. Caturthī runs from 14:20 on Wed 20 Apr to 12:22 on Thu 21 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/ekadashi?on=2011-04-28", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32319, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-04-27T16:24:55-03:00", "utc": "2011-04-27T19:24:55Z", "ms": 1303932295403.008 }, "end": { "local": "2011-04-28T18:49:58-03:00", "utc": "2011-04-28T21:49:58Z", "ms": 1304027398045.589 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-04-27T16:24:55-03:00", "utc": "2011-04-27T19:24:55Z", "ms": 1303932295403.008 }, "end": { "local": "2011-04-28T18:49:58-03:00", "utc": "2011-04-28T21:49:58Z", "ms": 1304027398045.589 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-04-27", "window": { "start": { "local": "2011-04-27T07:26:17-03:00", "utc": "2011-04-27T10:26:17Z", "ms": 1303899976622.6533 }, "end": { "local": "2011-04-27T07:26:17-03:00", "utc": "2011-04-27T10:26:17Z", "ms": 1303899976622.6533 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-04-28", "window": { "start": { "local": "2011-04-28T07:27:04-03:00", "utc": "2011-04-28T10:27:04Z", "ms": 1303986423654.0293 }, "end": { "local": "2011-04-28T07:27:04-03:00", "utc": "2011-04-28T10:27:04Z", "ms": 1303986423654.0293 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:25 on Wed 27 Apr to 18:50 on Thu 28 Apr.", "fact": "2011-04-27T19:24:55Z → 2011-04-28T21:49:58Z" }, { "step": "kaala", "text": "Sunrise is at 07:26 on the 27th and 07:27 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 32319 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Buenos Aires, 2011: Thursday 28 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": "2011-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Varūthinī Ekādaśī 2011 falls on Thursday 28 April. Ekādaśī runs from 16:25 on Wed 27 Apr to 18:50 on Thu 28 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-04-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-04-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4736, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-04-29T21:18:28-03:00", "utc": "2011-04-30T00:18:28Z", "ms": 1304122708199.6836 }, "end": { "local": "2011-04-30T23:41:58-03:00", "utc": "2011-05-01T02:41:58Z", "ms": 1304217718031.1763 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-04-29T21:18:28-03:00", "utc": "2011-04-30T00:18:28Z", "ms": 1304122708199.6836 }, "end": { "local": "2011-04-30T23:41:58-03:00", "utc": "2011-05-01T02:41:58Z", "ms": 1304217718031.1763 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-04-29", "window": { "start": { "local": "2011-04-29T18:13:31-03:00", "utc": "2011-04-29T21:13:31Z", "ms": 1304111611199.2896 }, "end": { "local": "2011-04-29T19:59:32-03:00", "utc": "2011-04-29T22:59:32Z", "ms": 1304117972075.9092 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2011-04-30", "window": { "start": { "local": "2011-04-30T18:12:29-03:00", "utc": "2011-04-30T21:12:29Z", "ms": 1304197948575.334 }, "end": { "local": "2011-04-30T19:58:44-03:00", "utc": "2011-04-30T22:58:44Z", "ms": 1304204324077.07 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:18 on Fri 29 Apr to 23:42 on Sat 30 Apr.", "fact": "2011-04-30T00:18:28Z → 2011-05-01T02:41:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–20:00 on the 29th, 18:12–19:59 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 0 of 106 minutes on the 29th and 106 of 106 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 4736 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2011: Saturday 30 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": "2011-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-04-30", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2011 falls on Saturday 30 April. Trayodaśī runs from 21:18 on Fri 29 Apr to 23:42 on Sat 30 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-04-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shivaratri?on=2011-04-30", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-04-30", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2361, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-04-30T23:41:58-03:00", "utc": "2011-05-01T02:41:58Z", "ms": 1304217718031.1763 }, "end": { "local": "2011-05-02T01:54:10-03:00", "utc": "2011-05-02T04:54:10Z", "ms": 1304312050309.2002 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-04-30T23:41:58-03:00", "utc": "2011-05-01T02:41:58Z", "ms": 1304217718031.1763 }, "end": { "local": "2011-05-02T01:54:10-03:00", "utc": "2011-05-02T04:54:10Z", "ms": 1304312050309.2002 } }, "kaala": "nishita", "days": [ { "local_date": "2011-04-30", "window": { "start": { "local": "2011-05-01T00:26:57-03:00", "utc": "2011-05-01T03:26:57Z", "ms": 1304220416706.8438 }, "end": { "local": "2011-05-01T01:14:57-03:00", "utc": "2011-05-01T04:14:57Z", "ms": 1304223296706.8438 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-05-01", "window": { "start": { "local": "2011-05-02T00:26:49-03:00", "utc": "2011-05-02T03:26:49Z", "ms": 1304306809461.9902 }, "end": { "local": "2011-05-02T01:14:49-03:00", "utc": "2011-05-02T04:14:49Z", "ms": 1304309689461.9902 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:42 on Sat 30 Apr to 01:54 on Mon 2 May.", "fact": "2011-05-01T02:41:58Z → 2011-05-02T04:54:10Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:27–01:15 on the 30th, 00:27–01:15 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 30th and 48 of 48 on the 1st.", "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 2361 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2011: Saturday 30 April.", "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": "2011-04-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-01", "confidence": "boundary" } ], "quote": "In Buenos Aires, Śivarātri 2011 falls on Saturday 30 April. Caturdaśī runs from 23:42 on Sat 30 Apr to 01:54 on Mon 2 May 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/buenos-aires/festivals/2011/shivaratri?on=2011-04-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37753, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2011-05-05T06:44:49-03:00", "utc": "2011-05-05T09:44:49Z", "ms": 1304588689034.3354 }, "end": { "local": "2011-05-06T07:37:23-03:00", "utc": "2011-05-06T10:37:23Z", "ms": 1304678243484.1655 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-05T06:44:49-03:00", "utc": "2011-05-05T09:44:49Z", "ms": 1304588689034.3354 }, "end": { "local": "2011-05-06T07:37:23-03:00", "utc": "2011-05-06T10:37:23Z", "ms": 1304678243484.1655 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-05-05", "window": { "start": { "local": "2011-05-05T18:07:32-03:00", "utc": "2011-05-05T21:07:32Z", "ms": 1304629652183.954 }, "end": { "local": "2011-05-05T19:54:59-03:00", "utc": "2011-05-05T22:54:59Z", "ms": 1304636098506.5784 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "2011-05-06", "window": { "start": { "local": "2011-05-06T18:06:36-03:00", "utc": "2011-05-06T21:06:36Z", "ms": 1304715996404.3025 }, "end": { "local": "2011-05-06T19:54:16-03:00", "utc": "2011-05-06T22:54:16Z", "ms": 1304722456393.123 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:45 on Thu 5 May to 07:37 on Fri 6 May.", "fact": "2011-05-05T09:44:49Z → 2011-05-06T10:37:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:55 on the 5th, 18:07–19:54 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 107 of 107 minutes on the 5th and 0 of 108 on the 6th.", "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 37753 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Buenos Aires, 2011: Thursday 5 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": "2011-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-05", "confidence": "determinate" } ], "quote": "In Buenos Aires, Paraśurāma Jayantī 2011 falls on Thursday 5 May. Tṛtīyā runs from 06:45 on Thu 5 May to 07:37 on Fri 6 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-06", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 244, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2011-05-05T06:44:49-03:00", "utc": "2011-05-05T09:44:49Z", "ms": 1304588689034.3354 }, "end": { "local": "2011-05-06T07:37:23-03:00", "utc": "2011-05-06T10:37:23Z", "ms": 1304678243484.1655 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-05T06:44:49-03:00", "utc": "2011-05-05T09:44:49Z", "ms": 1304588689034.3354 }, "end": { "local": "2011-05-06T07:37:23-03:00", "utc": "2011-05-06T10:37:23Z", "ms": 1304678243484.1655 } }, "kaala": "purvahna", "days": [ { "local_date": "2011-05-05", "window": { "start": { "local": "2011-05-05T07:32:33-03:00", "utc": "2011-05-05T10:32:33Z", "ms": 1304591552782.38 }, "end": { "local": "2011-05-05T11:04:13-03:00", "utc": "2011-05-05T14:04:13Z", "ms": 1304604252582.9045 } }, "covered_min": 212, "window_min": 212, "qualifies": true }, { "local_date": "2011-05-06", "window": { "start": { "local": "2011-05-06T07:33:20-03:00", "utc": "2011-05-06T10:33:20Z", "ms": 1304677999603.6355 }, "end": { "local": "2011-05-06T11:04:25-03:00", "utc": "2011-05-06T14:04:25Z", "ms": 1304690665203.858 } }, "covered_min": 4, "window_min": 211, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:45 on Thu 5 May to 07:37 on Fri 6 May.", "fact": "2011-05-05T09:44:49Z → 2011-05-06T10:37:23Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:33–11:04 on the 5th, 07:33–11:04 on the 6th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 212 of 212 minutes on the 5th and 4 of 211 on the 6th.", "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 244 s < 300 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Buenos Aires, 2011: Friday 6 May.", "fact": "confidence: boundary (margin)" } ], "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": "2011-05-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-06", "confidence": "boundary" } ], "quote": "In Buenos Aires, Akṣaya Tṛtīyā 2011 falls on Friday 6 May. Tṛtīyā runs from 06:45 on Thu 5 May to 07:37 on Fri 6 May and covers 4 of 211 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 212 minutes; by the rule the second forenoon is taken. It is 4 min 04 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-05-06", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15744, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-05-06T07:37:23-03:00", "utc": "2011-05-06T10:37:23Z", "ms": 1304678243484.1655 }, "end": { "local": "2011-05-07T08:03:30-03:00", "utc": "2011-05-07T11:03:30Z", "ms": 1304766209829.289 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-06T07:37:23-03:00", "utc": "2011-05-06T10:37:23Z", "ms": 1304678243484.1655 }, "end": { "local": "2011-05-07T08:03:30-03:00", "utc": "2011-05-07T11:03:30Z", "ms": 1304766209829.289 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-05-06", "window": { "start": { "local": "2011-05-06T12:25:58-03:00", "utc": "2011-05-06T15:25:58Z", "ms": 1304695558003.969 }, "end": { "local": "2011-05-06T13:13:58-03:00", "utc": "2011-05-06T16:13:58Z", "ms": 1304698438003.969 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-05-07", "window": { "start": { "local": "2011-05-07T12:25:54-03:00", "utc": "2011-05-07T15:25:54Z", "ms": 1304781954080.171 }, "end": { "local": "2011-05-07T13:13:54-03:00", "utc": "2011-05-07T16:13:54Z", "ms": 1304784834080.171 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:37 on Fri 6 May to 08:03 on Sat 7 May.", "fact": "2011-05-06T10:37:23Z → 2011-05-07T11:03:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 6th, 12:26–13:14 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 15744 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2011: Friday 6 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": "2011-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2011 falls on Friday 6 May. Caturthī runs from 07:37 on Fri 6 May to 08:03 on Sat 7 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-05-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15744, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2011-05-07T08:03:30-03:00", "utc": "2011-05-07T11:03:30Z", "ms": 1304766209829.289 }, "end": { "local": "2011-05-08T08:00:28-03:00", "utc": "2011-05-08T11:00:28Z", "ms": 1304852427521.459 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-07T08:03:30-03:00", "utc": "2011-05-07T11:03:30Z", "ms": 1304766209829.289 }, "end": { "local": "2011-05-08T08:00:28-03:00", "utc": "2011-05-08T11:00:28Z", "ms": 1304852427521.459 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-05-07", "window": { "start": { "local": "2011-05-07T12:25:54-03:00", "utc": "2011-05-07T15:25:54Z", "ms": 1304781954080.171 }, "end": { "local": "2011-05-07T13:13:54-03:00", "utc": "2011-05-07T16:13:54Z", "ms": 1304784834080.171 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-05-08", "window": { "start": { "local": "2011-05-08T12:25:51-03:00", "utc": "2011-05-08T15:25:51Z", "ms": 1304868350711.6558 }, "end": { "local": "2011-05-08T13:13:51-03:00", "utc": "2011-05-08T16:13:51Z", "ms": 1304871230711.6558 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:03 on Sat 7 May to 08:00 on Sun 8 May.", "fact": "2011-05-07T11:03:30Z → 2011-05-08T11:00:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 7th, 12:26–13:14 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15744 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Buenos Aires, 2011: Saturday 7 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śaṅkara Jayantī 2011 falls on Saturday 7 May. Pañcamī runs from 08:03 on Sat 7 May to 08:00 on Sun 8 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17988, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2011-05-09T07:26:00-03:00", "utc": "2011-05-09T10:26:00Z", "ms": 1304936759887.3103 }, "end": { "local": "2011-05-10T06:18:48-03:00", "utc": "2011-05-10T09:18:48Z", "ms": 1305019127997.0613 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-09T07:26:00-03:00", "utc": "2011-05-09T10:26:00Z", "ms": 1304936759887.3103 }, "end": { "local": "2011-05-10T06:18:48-03:00", "utc": "2011-05-10T09:18:48Z", "ms": 1305019127997.0613 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-05-09", "window": { "start": { "local": "2011-05-09T12:25:48-03:00", "utc": "2011-05-09T15:25:48Z", "ms": 1304954747898.04 }, "end": { "local": "2011-05-09T13:13:48-03:00", "utc": "2011-05-09T16:13:48Z", "ms": 1304957627898.04 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-05-10", "window": { "start": { "local": "2011-05-10T12:25:46-03:00", "utc": "2011-05-10T15:25:46Z", "ms": 1305041145638.875 }, "end": { "local": "2011-05-10T13:13:46-03:00", "utc": "2011-05-10T16:13:46Z", "ms": 1305044025638.875 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:26 on Mon 9 May to 06:19 on Tue 10 May.", "fact": "2011-05-09T10:26:00Z → 2011-05-10T09:18:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 9th, 12:26–13:14 on the 10th.", "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 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: purvaviddha → only-day · margin 17988 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Buenos Aires, 2011: Monday 9 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": "2011-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gaṅgotpatti (Ganga Saptami) 2011 falls on Monday 9 May. Saptamī runs from 07:26 on Mon 9 May to 06:19 on Tue 10 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-05-13", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28022, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-05-12T23:51:41-03:00", "utc": "2011-05-13T02:51:41Z", "ms": 1305255100907.7048 }, "end": { "local": "2011-05-13T20:53:40-03:00", "utc": "2011-05-13T23:53:40Z", "ms": 1305330820009.2146 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-12T23:51:41-03:00", "utc": "2011-05-13T02:51:41Z", "ms": 1305255100907.7048 }, "end": { "local": "2011-05-13T20:53:40-03:00", "utc": "2011-05-13T23:53:40Z", "ms": 1305330820009.2146 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-05-13", "window": { "start": { "local": "2011-05-13T07:38:43-03:00", "utc": "2011-05-13T10:38:43Z", "ms": 1305283123238.5896 }, "end": { "local": "2011-05-13T07:38:43-03:00", "utc": "2011-05-13T10:38:43Z", "ms": 1305283123238.5896 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-05-14", "window": { "start": { "local": "2011-05-14T07:39:29-03:00", "utc": "2011-05-14T10:39:29Z", "ms": 1305369568630.546 }, "end": { "local": "2011-05-14T07:39:29-03:00", "utc": "2011-05-14T10:39:29Z", "ms": 1305369568630.546 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:52 on Thu 12 May to 20:54 on Fri 13 May.", "fact": "2011-05-13T02:51:41Z → 2011-05-13T23:53:40Z" }, { "step": "kaala", "text": "Sunrise is at 07:39 on the 13th and 07:39 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 28022 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Buenos Aires, 2011: Friday 13 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": "2011-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mohinī Ekādaśī 2011 falls on Friday 13 May. Ekādaśī runs from 23:52 on Thu 12 May to 20:54 on Fri 13 May and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16085, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2011-05-13T20:53:40-03:00", "utc": "2011-05-13T23:53:40Z", "ms": 1305330820009.2146 }, "end": { "local": "2011-05-14T17:41:48-03:00", "utc": "2011-05-14T20:41:48Z", "ms": 1305405707612.5857 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-13T20:53:40-03:00", "utc": "2011-05-13T23:53:40Z", "ms": 1305330820009.2146 }, "end": { "local": "2011-05-14T17:41:48-03:00", "utc": "2011-05-14T20:41:48Z", "ms": 1305405707612.5857 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-05-13", "window": { "start": { "local": "2011-05-13T12:25:42-03:00", "utc": "2011-05-13T15:25:42Z", "ms": 1305300342186.8247 }, "end": { "local": "2011-05-13T13:13:42-03:00", "utc": "2011-05-13T16:13:42Z", "ms": 1305303222186.8247 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-05-14", "window": { "start": { "local": "2011-05-14T12:25:42-03:00", "utc": "2011-05-14T15:25:42Z", "ms": 1305386742146.4087 }, "end": { "local": "2011-05-14T13:13:42-03:00", "utc": "2011-05-14T16:13:42Z", "ms": 1305389622146.4087 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:54 on Fri 13 May to 17:42 on Sat 14 May.", "fact": "2011-05-13T23:53:40Z → 2011-05-14T20:41:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 13th, 12:26–13:14 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16085 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Buenos Aires, 2011: Saturday 14 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": "2011-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Paraśurāma Dvādaśī 2011 falls on Saturday 14 May. Dvādaśī runs from 20:54 on Fri 13 May to 17:42 on Sat 14 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16085, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2011-05-13T20:53:40-03:00", "utc": "2011-05-13T23:53:40Z", "ms": 1305330820009.2146 }, "end": { "local": "2011-05-14T17:41:48-03:00", "utc": "2011-05-14T20:41:48Z", "ms": 1305405707612.5857 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-13T20:53:40-03:00", "utc": "2011-05-13T23:53:40Z", "ms": 1305330820009.2146 }, "end": { "local": "2011-05-14T17:41:48-03:00", "utc": "2011-05-14T20:41:48Z", "ms": 1305405707612.5857 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-05-13", "window": { "start": { "local": "2011-05-13T12:25:42-03:00", "utc": "2011-05-13T15:25:42Z", "ms": 1305300342186.8247 }, "end": { "local": "2011-05-13T13:13:42-03:00", "utc": "2011-05-13T16:13:42Z", "ms": 1305303222186.8247 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-05-14", "window": { "start": { "local": "2011-05-14T12:25:42-03:00", "utc": "2011-05-14T15:25:42Z", "ms": 1305386742146.4087 }, "end": { "local": "2011-05-14T13:13:42-03:00", "utc": "2011-05-14T16:13:42Z", "ms": 1305389622146.4087 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:54 on Fri 13 May to 17:42 on Sat 14 May.", "fact": "2011-05-13T23:53:40Z → 2011-05-14T20:41:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 13th, 12:26–13:14 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16085 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Buenos Aires, 2011: Saturday 14 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": "2011-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rukmiṇī Dvādaśī 2011 falls on Saturday 14 May. Dvādaśī runs from 20:54 on Fri 13 May to 17:42 on Sat 14 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-05-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1088, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-05-14T17:41:48-03:00", "utc": "2011-05-14T20:41:48Z", "ms": 1305405707612.5857 }, "end": { "local": "2011-05-15T14:24:19-03:00", "utc": "2011-05-15T17:24:19Z", "ms": 1305480258557.4377 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-14T17:41:48-03:00", "utc": "2011-05-14T20:41:48Z", "ms": 1305405707612.5857 }, "end": { "local": "2011-05-15T14:24:19-03:00", "utc": "2011-05-15T17:24:19Z", "ms": 1305480258557.4377 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-05-14", "window": { "start": { "local": "2011-05-14T17:59:56-03:00", "utc": "2011-05-14T20:59:56Z", "ms": 1305406795662.2715 }, "end": { "local": "2011-05-14T19:49:18-03:00", "utc": "2011-05-14T22:49:18Z", "ms": 1305413358074.236 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "2011-05-15", "window": { "start": { "local": "2011-05-15T17:59:12-03:00", "utc": "2011-05-15T20:59:12Z", "ms": 1305493151574.55 }, "end": { "local": "2011-05-15T19:48:46-03:00", "utc": "2011-05-15T22:48:46Z", "ms": 1305499725842.516 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:42 on Sat 14 May to 14:24 on Sun 15 May.", "fact": "2011-05-14T20:41:48Z → 2011-05-15T17:24:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:00–19:49 on the 14th, 17:59–19:49 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 109 of 109 minutes on the 14th and 0 of 110 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 1088 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2011: Saturday 14 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": "2011-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2011 falls on Saturday 14 May. Trayodaśī runs from 17:42 on Sat 14 May to 14:24 on Sun 15 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-05-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12893, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-05-15T14:24:19-03:00", "utc": "2011-05-15T17:24:19Z", "ms": 1305480258557.4377 }, "end": { "local": "2011-05-16T11:10:10-03:00", "utc": "2011-05-16T14:10:10Z", "ms": 1305555010265.6323 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-15T14:24:19-03:00", "utc": "2011-05-15T17:24:19Z", "ms": 1305480258557.4377 }, "end": { "local": "2011-05-16T11:10:10-03:00", "utc": "2011-05-16T14:10:10Z", "ms": 1305555010265.6323 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-05-15", "window": { "start": { "local": "2011-05-15T17:59:12-03:00", "utc": "2011-05-15T20:59:12Z", "ms": 1305493151574.55 }, "end": { "local": "2011-05-15T19:48:46-03:00", "utc": "2011-05-15T22:48:46Z", "ms": 1305499725842.516 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "2011-05-16", "window": { "start": { "local": "2011-05-16T17:58:29-03:00", "utc": "2011-05-16T20:58:29Z", "ms": 1305579508894.0527 }, "end": { "local": "2011-05-16T19:48:15-03:00", "utc": "2011-05-16T22:48:15Z", "ms": 1305586094789.2988 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:24 on Sun 15 May to 11:10 on Mon 16 May.", "fact": "2011-05-15T17:24:19Z → 2011-05-16T14:10:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:49 on the 15th, 17:58–19:48 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 110 of 110 minutes on the 15th and 0 of 110 on the 16th.", "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 12893 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Buenos Aires, 2011: Sunday 15 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": "2011-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2011 falls on Sunday 15 May. Caturdaśī runs from 14:24 on Sun 15 May to 11:10 on Mon 16 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4533, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-05-16T11:10:10-03:00", "utc": "2011-05-16T14:10:10Z", "ms": 1305555010265.6323 }, "end": { "local": "2011-05-17T08:08:39-03:00", "utc": "2011-05-17T11:08:39Z", "ms": 1305630518594.9841 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-16T11:10:10-03:00", "utc": "2011-05-16T14:10:10Z", "ms": 1305555010265.6323 }, "end": { "local": "2011-05-17T08:08:39-03:00", "utc": "2011-05-17T11:08:39Z", "ms": 1305630518594.9841 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-05-16", "window": { "start": { "local": "2011-05-16T12:25:44-03:00", "utc": "2011-05-16T15:25:44Z", "ms": 1305559543739.1743 }, "end": { "local": "2011-05-16T13:13:44-03:00", "utc": "2011-05-16T16:13:44Z", "ms": 1305562423739.1743 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-05-17", "window": { "start": { "local": "2011-05-17T12:25:45-03:00", "utc": "2011-05-17T15:25:45Z", "ms": 1305645945375.649 }, "end": { "local": "2011-05-17T13:13:45-03:00", "utc": "2011-05-17T16:13:45Z", "ms": 1305648825375.649 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:10 on Mon 16 May to 08:09 on Tue 17 May.", "fact": "2011-05-16T14:10:10Z → 2011-05-17T11:08:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 16th, 12:26–13:14 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4533 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Buenos Aires, 2011: Monday 16 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": "2011-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Buddha Pūrṇimā 2011 falls on Monday 16 May. Pūrṇimā runs from 11:10 on Mon 16 May to 08:09 on Tue 17 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4533, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-05-16T11:10:10-03:00", "utc": "2011-05-16T14:10:10Z", "ms": 1305555010265.6323 }, "end": { "local": "2011-05-17T08:08:39-03:00", "utc": "2011-05-17T11:08:39Z", "ms": 1305630518594.9841 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-16T11:10:10-03:00", "utc": "2011-05-16T14:10:10Z", "ms": 1305555010265.6323 }, "end": { "local": "2011-05-17T08:08:39-03:00", "utc": "2011-05-17T11:08:39Z", "ms": 1305630518594.9841 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-05-16", "window": { "start": { "local": "2011-05-16T12:25:44-03:00", "utc": "2011-05-16T15:25:44Z", "ms": 1305559543739.1743 }, "end": { "local": "2011-05-16T13:13:44-03:00", "utc": "2011-05-16T16:13:44Z", "ms": 1305562423739.1743 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-05-17", "window": { "start": { "local": "2011-05-17T12:25:45-03:00", "utc": "2011-05-17T15:25:45Z", "ms": 1305645945375.649 }, "end": { "local": "2011-05-17T13:13:45-03:00", "utc": "2011-05-17T16:13:45Z", "ms": 1305648825375.649 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:10 on Mon 16 May to 08:09 on Tue 17 May.", "fact": "2011-05-16T14:10:10Z → 2011-05-17T11:08:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 16th, 12:26–13:14 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4533 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Buenos Aires, 2011: Monday 16 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": "2011-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Sampat Gaurī Vrata 2011 falls on Monday 16 May. Pūrṇimā runs from 11:10 on Mon 16 May to 08:09 on Tue 17 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-05-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13724, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-05-20T01:47:27-03:00", "utc": "2011-05-20T04:47:27Z", "ms": 1305866847098.3247 }, "end": { "local": "2011-05-21T00:58:30-03:00", "utc": "2011-05-21T03:58:30Z", "ms": 1305950309697.5327 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-20T01:47:27-03:00", "utc": "2011-05-20T04:47:27Z", "ms": 1305866847098.3247 }, "end": { "local": "2011-05-21T00:58:30-03:00", "utc": "2011-05-21T03:58:30Z", "ms": 1305950309697.5327 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-05-19", "window": { "start": { "local": "2011-05-19T20:06:54-03:00", "utc": "2011-05-19T23:06:54Z", "ms": 1305846413892.672 }, "end": { "local": "2011-05-19T20:06:54-03:00", "utc": "2011-05-19T23:06:54Z", "ms": 1305846413892.672 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-05-20", "window": { "start": { "local": "2011-05-20T21:09:46-03:00", "utc": "2011-05-21T00:09:46Z", "ms": 1305936585986.7961 }, "end": { "local": "2011-05-20T21:09:46-03:00", "utc": "2011-05-21T00:09:46Z", "ms": 1305936585986.7961 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:47 on Fri 20 May to 00:58 on Sat 21 May.", "fact": "2011-05-20T04:47:27Z → 2011-05-21T03:58:30Z" }, { "step": "kaala", "text": "Moonrise is at 20:07 on the 19th and 21:10 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 19th and is 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 13724 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2011: Friday 20 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": "2011-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2011 falls on Friday 20 May. Caturthī runs from 01:47 on Fri 20 May to 00:58 on Sat 21 May and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-05-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/ekadashi?on=2011-05-28", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6168, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-05-27T09:31:34-03:00", "utc": "2011-05-27T12:31:34Z", "ms": 1306499493675.4692 }, "end": { "local": "2011-05-28T11:52:26-03:00", "utc": "2011-05-28T14:52:26Z", "ms": 1306594346449.481 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-27T09:31:34-03:00", "utc": "2011-05-27T12:31:34Z", "ms": 1306499493675.4692 }, "end": { "local": "2011-05-28T11:52:26-03:00", "utc": "2011-05-28T14:52:26Z", "ms": 1306594346449.481 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-05-27", "window": { "start": { "local": "2011-05-27T07:48:46-03:00", "utc": "2011-05-27T10:48:46Z", "ms": 1306493326126.0342 }, "end": { "local": "2011-05-27T07:48:46-03:00", "utc": "2011-05-27T10:48:46Z", "ms": 1306493326126.0342 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-05-28", "window": { "start": { "local": "2011-05-28T07:49:26-03:00", "utc": "2011-05-28T10:49:26Z", "ms": 1306579765563.9895 }, "end": { "local": "2011-05-28T07:49:26-03:00", "utc": "2011-05-28T10:49:26Z", "ms": 1306579765563.9895 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:32 on Fri 27 May to 11:52 on Sat 28 May.", "fact": "2011-05-27T12:31:34Z → 2011-05-28T14:52:26Z" }, { "step": "kaala", "text": "Sunrise is at 07:49 on the 27th and 07:49 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 6168 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Buenos Aires, 2011: Saturday 28 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": "2011-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Aparā Ekādaśī 2011 falls on Saturday 28 May. Ekādaśī runs from 09:32 on Fri 27 May to 11:52 on Sat 28 May and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-05-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-05-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7440, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-05-29T14:00:09-03:00", "utc": "2011-05-29T17:00:09Z", "ms": 1306688408603.2317 }, "end": { "local": "2011-05-30T15:47:10-03:00", "utc": "2011-05-30T18:47:10Z", "ms": 1306781229888.6086 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-29T14:00:09-03:00", "utc": "2011-05-29T17:00:09Z", "ms": 1306688408603.2317 }, "end": { "local": "2011-05-30T15:47:10-03:00", "utc": "2011-05-30T18:47:10Z", "ms": 1306781229888.6086 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-05-29", "window": { "start": { "local": "2011-05-29T17:51:31-03:00", "utc": "2011-05-29T20:51:31Z", "ms": 1306702290848.603 }, "end": { "local": "2011-05-29T19:43:24-03:00", "utc": "2011-05-29T22:43:24Z", "ms": 1306709004394.5796 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "2011-05-30", "window": { "start": { "local": "2011-05-30T17:51:10-03:00", "utc": "2011-05-30T20:51:10Z", "ms": 1306788669684.2664 }, "end": { "local": "2011-05-30T19:43:11-03:00", "utc": "2011-05-30T22:43:11Z", "ms": 1306795391034.5894 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:00 on Sun 29 May to 15:47 on Mon 30 May.", "fact": "2011-05-29T17:00:09Z → 2011-05-30T18:47:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:52–19:43 on the 29th, 17:51–19:43 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 112 of 112 minutes on the 29th and 0 of 112 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 7440 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2011: Sunday 29 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": "2011-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2011 falls on Sunday 29 May. Trayodaśī runs from 14:00 on Sun 29 May to 15:47 on Mon 30 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-05-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shivaratri?on=2011-05-30", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26317, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-05-30T15:47:10-03:00", "utc": "2011-05-30T18:47:10Z", "ms": 1306781229888.6086 }, "end": { "local": "2011-05-31T17:08:46-03:00", "utc": "2011-05-31T20:08:46Z", "ms": 1306872525885.6765 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2011-05-30T15:47:10-03:00", "utc": "2011-05-30T18:47:10Z", "ms": 1306781229888.6086 }, "end": { "local": "2011-05-31T17:08:46-03:00", "utc": "2011-05-31T20:08:46Z", "ms": 1306872525885.6765 } }, "kaala": "nishita", "days": [ { "local_date": "2011-05-30", "window": { "start": { "local": "2011-05-31T00:27:15-03:00", "utc": "2011-05-31T03:27:15Z", "ms": 1306812434747.977 }, "end": { "local": "2011-05-31T01:15:15-03:00", "utc": "2011-05-31T04:15:15Z", "ms": 1306815314747.977 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-05-31", "window": { "start": { "local": "2011-06-01T00:27:23-03:00", "utc": "2011-06-01T03:27:23Z", "ms": 1306898843269.3484 }, "end": { "local": "2011-06-01T01:15:23-03:00", "utc": "2011-06-01T04:15:23Z", "ms": 1306901723269.3484 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:47 on Mon 30 May to 17:09 on Tue 31 May.", "fact": "2011-05-30T18:47:10Z → 2011-05-31T20:08:46Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:27–01:15 on the 30th, 00:27–01:15 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 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26317 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2011: Monday 30 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": "2011-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-05-30", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2011 falls on Monday 30 May. Caturdaśī runs from 15:47 on Mon 30 May to 17:09 on Tue 31 May and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/shivaratri?on=2011-05-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16915, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2011-06-03T18:26:06-03:00", "utc": "2011-06-03T21:26:06Z", "ms": 1307136365968.9023 }, "end": { "local": "2011-06-04T17:57:39-03:00", "utc": "2011-06-04T20:57:39Z", "ms": 1307221059407.4685 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2011-06-03T18:26:06-03:00", "utc": "2011-06-03T21:26:06Z", "ms": 1307136365968.9023 }, "end": { "local": "2011-06-04T17:57:39-03:00", "utc": "2011-06-04T20:57:39Z", "ms": 1307221059407.4685 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-06-03", "window": { "start": { "local": "2011-06-03T12:27:34-03:00", "utc": "2011-06-03T15:27:34Z", "ms": 1307114854110.8196 }, "end": { "local": "2011-06-03T13:15:34-03:00", "utc": "2011-06-03T16:15:34Z", "ms": 1307117734110.8196 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-06-04", "window": { "start": { "local": "2011-06-04T12:27:45-03:00", "utc": "2011-06-04T15:27:45Z", "ms": 1307201264565.785 }, "end": { "local": "2011-06-04T13:15:45-03:00", "utc": "2011-06-04T16:15:45Z", "ms": 1307204144565.785 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 18:26 on Fri 3 Jun to 17:58 on Sat 4 Jun.", "fact": "2011-06-03T21:26:06Z → 2011-06-04T20:57:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 3rd, 12:28–13:16 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16915 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Buenos Aires, 2011: Saturday 4 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": "2011-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-06-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rambhā Tṛtīyā 2011 falls on Saturday 4 June. Tṛtīyā runs from 18:26 on Fri 3 Jun to 17:58 on Sat 4 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-06-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13711, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-06-04T17:57:39-03:00", "utc": "2011-06-04T20:57:39Z", "ms": 1307221059407.4685 }, "end": { "local": "2011-06-05T17:04:27-03:00", "utc": "2011-06-05T20:04:27Z", "ms": 1307304266710.7407 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2011-06-04T17:57:39-03:00", "utc": "2011-06-04T20:57:39Z", "ms": 1307221059407.4685 }, "end": { "local": "2011-06-05T17:04:27-03:00", "utc": "2011-06-05T20:04:27Z", "ms": 1307304266710.7407 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-06-04", "window": { "start": { "local": "2011-06-04T12:27:45-03:00", "utc": "2011-06-04T15:27:45Z", "ms": 1307201264565.785 }, "end": { "local": "2011-06-04T13:15:45-03:00", "utc": "2011-06-04T16:15:45Z", "ms": 1307204144565.785 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-06-05", "window": { "start": { "local": "2011-06-05T12:27:55-03:00", "utc": "2011-06-05T15:27:55Z", "ms": 1307287675353.8882 }, "end": { "local": "2011-06-05T13:15:55-03:00", "utc": "2011-06-05T16:15:55Z", "ms": 1307290555353.8882 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:58 on Sat 4 Jun to 17:04 on Sun 5 Jun.", "fact": "2011-06-04T20:57:39Z → 2011-06-05T20:04:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 4th, 12:28–13:16 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13711 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2011: Sunday 5 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": "2011-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-06-05", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2011 falls on Sunday 5 June. Caturthī runs from 17:58 on Sat 4 Jun to 17:04 on Sun 5 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-06-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3279, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2011-06-06T15:48:14-03:00", "utc": "2011-06-06T18:48:14Z", "ms": 1307386093626.4216 }, "end": { "local": "2011-06-07T14:10:57-03:00", "utc": "2011-06-07T17:10:57Z", "ms": 1307466656833.3794 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2011-06-06T15:48:14-03:00", "utc": "2011-06-06T18:48:14Z", "ms": 1307386093626.4216 }, "end": { "local": "2011-06-07T14:10:57-03:00", "utc": "2011-06-07T17:10:57Z", "ms": 1307466656833.3794 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-06-06", "window": { "start": { "local": "2011-06-06T12:28:06-03:00", "utc": "2011-06-06T15:28:06Z", "ms": 1307374086452.3203 }, "end": { "local": "2011-06-06T13:16:06-03:00", "utc": "2011-06-06T16:16:06Z", "ms": 1307376966452.3203 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-06-07", "window": { "start": { "local": "2011-06-07T12:28:18-03:00", "utc": "2011-06-07T15:28:18Z", "ms": 1307460497838.3584 }, "end": { "local": "2011-06-07T13:16:18-03:00", "utc": "2011-06-07T16:16:18Z", "ms": 1307463377838.3584 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 15:48 on Mon 6 Jun to 14:11 on Tue 7 Jun.", "fact": "2011-06-06T18:48:14Z → 2011-06-07T17:10:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 6th, 12:28–13:16 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 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: paraviddha → only-day · margin 3279 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Buenos Aires, 2011: Tuesday 7 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": "2011-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-06-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Araṇya Gaurī Vrata 2011 falls on Tuesday 7 June. Ṣaṣṭhī runs from 15:48 on Mon 6 Jun to 14:11 on Tue 7 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3279, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2011-06-06T15:48:14-03:00", "utc": "2011-06-06T18:48:14Z", "ms": 1307386093626.4216 }, "end": { "local": "2011-06-07T14:10:57-03:00", "utc": "2011-06-07T17:10:57Z", "ms": 1307466656833.3794 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2011-06-06T15:48:14-03:00", "utc": "2011-06-06T18:48:14Z", "ms": 1307386093626.4216 }, "end": { "local": "2011-06-07T14:10:57-03:00", "utc": "2011-06-07T17:10:57Z", "ms": 1307466656833.3794 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-06-06", "window": { "start": { "local": "2011-06-06T12:28:06-03:00", "utc": "2011-06-06T15:28:06Z", "ms": 1307374086452.3203 }, "end": { "local": "2011-06-06T13:16:06-03:00", "utc": "2011-06-06T16:16:06Z", "ms": 1307376966452.3203 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-06-07", "window": { "start": { "local": "2011-06-07T12:28:18-03:00", "utc": "2011-06-07T15:28:18Z", "ms": 1307460497838.3584 }, "end": { "local": "2011-06-07T13:16:18-03:00", "utc": "2011-06-07T16:16:18Z", "ms": 1307463377838.3584 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 15:48 on Mon 6 Jun to 14:11 on Tue 7 Jun.", "fact": "2011-06-06T18:48:14Z → 2011-06-07T17:10:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 6th, 12:28–13:16 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 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 3279 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Buenos Aires, 2011: Tuesday 7 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": "2011-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-06-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2011 falls on Tuesday 7 June. Ṣaṣṭhī runs from 15:48 on Mon 6 Jun to 14:11 on Tue 7 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-06-11", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10396, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-06-11T05:03:56-03:00", "utc": "2011-06-11T08:03:56Z", "ms": 1307779435912.6304 }, "end": { "local": "2011-06-12T02:26:15-03:00", "utc": "2011-06-12T05:26:15Z", "ms": 1307856374995.0981 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2011-06-11T05:03:56-03:00", "utc": "2011-06-11T08:03:56Z", "ms": 1307779435912.6304 }, "end": { "local": "2011-06-12T02:26:15-03:00", "utc": "2011-06-12T05:26:15Z", "ms": 1307856374995.0981 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-06-11", "window": { "start": { "local": "2011-06-11T07:57:12-03:00", "utc": "2011-06-11T10:57:12Z", "ms": 1307789831945.9402 }, "end": { "local": "2011-06-11T07:57:12-03:00", "utc": "2011-06-11T10:57:12Z", "ms": 1307789831945.9402 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-06-12", "window": { "start": { "local": "2011-06-12T07:57:38-03:00", "utc": "2011-06-12T10:57:38Z", "ms": 1307876257648.5662 }, "end": { "local": "2011-06-12T07:57:38-03:00", "utc": "2011-06-12T10:57:38Z", "ms": 1307876257648.5662 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:04 on Sat 11 Jun to 02:26 on Sun 12 Jun.", "fact": "2011-06-11T08:03:56Z → 2011-06-12T05:26:15Z" }, { "step": "kaala", "text": "Sunrise is at 07:57 on the 11th and 07:58 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 10396 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Buenos Aires, 2011: Saturday 11 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": "2011-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-06-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nirjalā Ekādaśī 2011 falls on Saturday 11 June. Ekādaśī runs from 05:04 on Sat 11 Jun to 02:26 on Sun 12 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36183, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2011-06-12T02:26:15-03:00", "utc": "2011-06-12T05:26:15Z", "ms": 1307856374995.0981 }, "end": { "local": "2011-06-12T23:50:07-03:00", "utc": "2011-06-13T02:50:07Z", "ms": 1307933406610.8296 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2011-06-12T02:26:15-03:00", "utc": "2011-06-12T05:26:15Z", "ms": 1307856374995.0981 }, "end": { "local": "2011-06-12T23:50:07-03:00", "utc": "2011-06-13T02:50:07Z", "ms": 1307933406610.8296 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-06-12", "window": { "start": { "local": "2011-06-12T12:29:18-03:00", "utc": "2011-06-12T15:29:18Z", "ms": 1307892558324.2407 }, "end": { "local": "2011-06-12T13:17:18-03:00", "utc": "2011-06-12T16:17:18Z", "ms": 1307895438324.2407 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-06-13", "window": { "start": { "local": "2011-06-13T12:29:31-03:00", "utc": "2011-06-13T15:29:31Z", "ms": 1307978970991.5322 }, "end": { "local": "2011-06-13T13:17:31-03:00", "utc": "2011-06-13T16:17:31Z", "ms": 1307981850991.5322 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:26 on Sun 12 Jun to 23:50 on Sun 12 Jun.", "fact": "2011-06-12T05:26:15Z → 2011-06-13T02:50:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 12th, 12:30–13:18 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 36183 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Buenos Aires, 2011: Sunday 12 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": "2011-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-06-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śrī Rāma Dvādaśī 2011 falls on Sunday 12 June. Dvādaśī runs from 02:26 on Sun 12 Jun to 23:50 on Sun 12 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-06-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5961, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-06-12T23:50:07-03:00", "utc": "2011-06-13T02:50:07Z", "ms": 1307933406610.8296 }, "end": { "local": "2011-06-13T21:21:36-03:00", "utc": "2011-06-14T00:21:36Z", "ms": 1308010895986.0276 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2011-06-12T23:50:07-03:00", "utc": "2011-06-13T02:50:07Z", "ms": 1307933406610.8296 }, "end": { "local": "2011-06-13T21:21:36-03:00", "utc": "2011-06-14T00:21:36Z", "ms": 1308010895986.0276 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-06-12", "window": { "start": { "local": "2011-06-12T17:48:59-03:00", "utc": "2011-06-12T20:48:59Z", "ms": 1307911738999.915 }, "end": { "local": "2011-06-12T19:42:11-03:00", "utc": "2011-06-12T22:42:11Z", "ms": 1307918531421.4172 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "2011-06-13", "window": { "start": { "local": "2011-06-13T17:49:00-03:00", "utc": "2011-06-13T20:49:00Z", "ms": 1307998139821.882 }, "end": { "local": "2011-06-13T19:42:15-03:00", "utc": "2011-06-13T22:42:15Z", "ms": 1308004935239.9753 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:50 on Sun 12 Jun to 21:22 on Mon 13 Jun.", "fact": "2011-06-13T02:50:07Z → 2011-06-14T00:21:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:49–19:42 on the 12th, 17:49–19:42 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 113 minutes on the 12th and 113 of 113 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 5961 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2011: Monday 13 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": "2011-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-06-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2011 falls on Monday 13 June. Trayodaśī runs from 23:50 on Sun 12 Jun to 21:22 on Mon 13 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-06-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2107, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-06-14T19:07:13-03:00", "utc": "2011-06-14T22:07:13Z", "ms": 1308089232770.451 }, "end": { "local": "2011-06-15T17:13:35-03:00", "utc": "2011-06-15T20:13:35Z", "ms": 1308168815122.272 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2011-06-14T19:07:13-03:00", "utc": "2011-06-14T22:07:13Z", "ms": 1308089232770.451 }, "end": { "local": "2011-06-15T17:13:35-03:00", "utc": "2011-06-15T20:13:35Z", "ms": 1308168815122.272 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-06-14", "window": { "start": { "local": "2011-06-14T17:49:02-03:00", "utc": "2011-06-14T20:49:02Z", "ms": 1308084542152.7761 }, "end": { "local": "2011-06-14T19:42:20-03:00", "utc": "2011-06-14T22:42:20Z", "ms": 1308091340200.729 } }, "covered_min": 35, "window_min": 113, "qualifies": true }, { "local_date": "2011-06-15", "window": { "start": { "local": "2011-06-15T17:49:06-03:00", "utc": "2011-06-15T20:49:06Z", "ms": 1308170945981.9678 }, "end": { "local": "2011-06-15T19:42:26-03:00", "utc": "2011-06-15T22:42:26Z", "ms": 1308177746291.1511 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:07 on Tue 14 Jun to 17:14 on Wed 15 Jun.", "fact": "2011-06-14T22:07:13Z → 2011-06-15T20:13:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:49–19:42 on the 14th, 17:49–19:42 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 35 of 113 minutes on the 14th and 0 of 113 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2107 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Buenos Aires, 2011: Tuesday 14 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": "2011-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-06-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vaṭa Sāvitrī Vrata 2011 falls on Tuesday 14 June. Pūrṇimā runs from 19:07 on Tue 14 Jun to 17:14 on Wed 15 Jun and covers 35 of 113 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-06-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22802, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-06-18T14:37:07-03:00", "utc": "2011-06-18T17:37:07Z", "ms": 1308418627361.1555 }, "end": { "local": "2011-06-19T15:00:06-03:00", "utc": "2011-06-19T18:00:06Z", "ms": 1308506406155.9658 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-06-18T14:37:07-03:00", "utc": "2011-06-18T17:37:07Z", "ms": 1308418627361.1555 }, "end": { "local": "2011-06-19T15:00:06-03:00", "utc": "2011-06-19T18:00:06Z", "ms": 1308506406155.9658 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-06-18", "window": { "start": { "local": "2011-06-18T20:57:09-03:00", "utc": "2011-06-18T23:57:09Z", "ms": 1308441429290.9263 }, "end": { "local": "2011-06-18T20:57:09-03:00", "utc": "2011-06-18T23:57:09Z", "ms": 1308441429290.9263 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-06-19", "window": { "start": { "local": "2011-06-19T21:57:01-03:00", "utc": "2011-06-20T00:57:01Z", "ms": 1308531420610.7747 }, "end": { "local": "2011-06-19T21:57:01-03:00", "utc": "2011-06-20T00:57:01Z", "ms": 1308531420610.7747 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:37 on Sat 18 Jun to 15:00 on Sun 19 Jun.", "fact": "2011-06-18T17:37:07Z → 2011-06-19T18:00:06Z" }, { "step": "kaala", "text": "Moonrise is at 20:57 on the 18th and 21:57 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 22802 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2011: Saturday 18 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-06-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2011 falls on Saturday 18 June. Caturthī runs from 14:37 on Sat 18 Jun to 15:00 on Sun 19 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-06-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/ekadashi?on=2011-06-26", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13490, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-06-26T02:28:41-03:00", "utc": "2011-06-26T05:28:41Z", "ms": 1309066120990.1804 }, "end": { "local": "2011-06-27T04:16:37-03:00", "utc": "2011-06-27T07:16:37Z", "ms": 1309158996894.015 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-06-26T02:28:41-03:00", "utc": "2011-06-26T05:28:41Z", "ms": 1309066120990.1804 }, "end": { "local": "2011-06-27T04:16:37-03:00", "utc": "2011-06-27T07:16:37Z", "ms": 1309158996894.015 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-06-26", "window": { "start": { "local": "2011-06-26T08:01:21-03:00", "utc": "2011-06-26T11:01:21Z", "ms": 1309086081259.3738 }, "end": { "local": "2011-06-26T08:01:21-03:00", "utc": "2011-06-26T11:01:21Z", "ms": 1309086081259.3738 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-06-27", "window": { "start": { "local": "2011-06-27T08:01:27-03:00", "utc": "2011-06-27T11:01:27Z", "ms": 1309172486569.5193 }, "end": { "local": "2011-06-27T08:01:27-03:00", "utc": "2011-06-27T11:01:27Z", "ms": 1309172486569.5193 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:29 on Sun 26 Jun to 04:17 on Mon 27 Jun.", "fact": "2011-06-26T05:28:41Z → 2011-06-27T07:16:37Z" }, { "step": "kaala", "text": "Sunrise is at 08:01 on the 26th and 08:01 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 13490 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Buenos Aires, 2011: Sunday 26 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": "2011-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-06-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Yoginī Ekādaśī 2011 falls on Sunday 26 June. Ekādaśī runs from 02:29 on Sun 26 Jun to 04:17 on Mon 27 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-06-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-06-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35355, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-06-28T05:34:16-03:00", "utc": "2011-06-28T08:34:16Z", "ms": 1309250056126.4138 }, "end": { "local": "2011-06-29T06:16:50-03:00", "utc": "2011-06-29T09:16:50Z", "ms": 1309339009901.5298 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-06-28T05:34:16-03:00", "utc": "2011-06-28T08:34:16Z", "ms": 1309250056126.4138 }, "end": { "local": "2011-06-29T06:16:50-03:00", "utc": "2011-06-29T09:16:50Z", "ms": 1309339009901.5298 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-06-27", "window": { "start": { "local": "2011-06-27T17:51:43-03:00", "utc": "2011-06-27T20:51:43Z", "ms": 1309207902996.838 }, "end": { "local": "2011-06-27T19:45:01-03:00", "utc": "2011-06-27T22:45:01Z", "ms": 1309214701310.2131 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "2011-06-28", "window": { "start": { "local": "2011-06-28T17:52:05-03:00", "utc": "2011-06-28T20:52:05Z", "ms": 1309294324647.435 }, "end": { "local": "2011-06-28T19:45:20-03:00", "utc": "2011-06-28T22:45:20Z", "ms": 1309301120371.068 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:34 on Tue 28 Jun to 06:17 on Wed 29 Jun.", "fact": "2011-06-28T08:34:16Z → 2011-06-29T09:16:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:52–19:45 on the 27th, 17:52–19:45 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 113 minutes on the 27th and 113 of 113 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 35355 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2011: Tuesday 28 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": "2011-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-06-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2011 falls on Tuesday 28 June. Trayodaśī runs from 05:34 on Tue 28 Jun to 06:17 on Wed 29 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-06-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shivaratri?on=2011-06-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17761, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-06-29T06:16:50-03:00", "utc": "2011-06-29T09:16:50Z", "ms": 1309339009901.5298 }, "end": { "local": "2011-06-30T06:22:54-03:00", "utc": "2011-06-30T09:22:54Z", "ms": 1309425774275.9844 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-06-29T06:16:50-03:00", "utc": "2011-06-29T09:16:50Z", "ms": 1309339009901.5298 }, "end": { "local": "2011-06-30T06:22:54-03:00", "utc": "2011-06-30T09:22:54Z", "ms": 1309425774275.9844 } }, "kaala": "nishita", "days": [ { "local_date": "2011-06-28", "window": { "start": { "local": "2011-06-29T00:32:49-03:00", "utc": "2011-06-29T03:32:49Z", "ms": 1309318368611.059 }, "end": { "local": "2011-06-29T01:20:49-03:00", "utc": "2011-06-29T04:20:49Z", "ms": 1309321248611.059 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-06-29", "window": { "start": { "local": "2011-06-30T00:33:00-03:00", "utc": "2011-06-30T03:33:00Z", "ms": 1309404780357.062 }, "end": { "local": "2011-06-30T01:21:00-03:00", "utc": "2011-06-30T04:21:00Z", "ms": 1309407660357.062 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:17 on Wed 29 Jun to 06:23 on Thu 30 Jun.", "fact": "2011-06-29T09:16:50Z → 2011-06-30T09:22:54Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:33–01:21 on the 28th, 00:33–01:21 on the 29th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17761 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2011: Wednesday 29 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": "2011-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-06-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2011 falls on Wednesday 29 June. Caturdaśī runs from 06:17 on Wed 29 Jun to 06:23 on Thu 30 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/shivaratri?on=2011-06-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27612, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2011-07-02T04:53:24-03:00", "utc": "2011-07-02T07:53:24Z", "ms": 1309593204227.7778 }, "end": { "local": "2011-07-03T03:26:10-03:00", "utc": "2011-07-03T06:26:10Z", "ms": 1309674369788.5508 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-07-02T04:53:24-03:00", "utc": "2011-07-02T07:53:24Z", "ms": 1309593204227.7778 }, "end": { "local": "2011-07-03T03:26:10-03:00", "utc": "2011-07-03T06:26:10Z", "ms": 1309674369788.5508 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-07-02", "window": { "start": { "local": "2011-07-02T12:33:36-03:00", "utc": "2011-07-02T15:33:36Z", "ms": 1309620816244.0657 }, "end": { "local": "2011-07-02T13:21:36-03:00", "utc": "2011-07-02T16:21:36Z", "ms": 1309623696244.0657 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-07-03", "window": { "start": { "local": "2011-07-03T12:33:48-03:00", "utc": "2011-07-03T15:33:48Z", "ms": 1309707227771.4727 }, "end": { "local": "2011-07-03T13:21:48-03:00", "utc": "2011-07-03T16:21:48Z", "ms": 1309710107771.4727 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 04:53 on Sat 2 Jul to 03:26 on Sun 3 Jul.", "fact": "2011-07-02T07:53:24Z → 2011-07-03T06:26:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 2nd, 12:34–13:22 on the 3rd.", "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 2nd and 0 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 27612 s" }, { "step": "ruling", "text": "Rathayātrā, Buenos Aires, 2011: Saturday 2 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rathayātrā 2011 falls on Saturday 2 July. Dvitīyā runs from 04:53 on Sat 2 Jul to 03:26 on Sun 3 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-07-04", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36696, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-07-04T01:37:41-03:00", "utc": "2011-07-04T04:37:41Z", "ms": 1309754261027.502 }, "end": { "local": "2011-07-04T23:33:35-03:00", "utc": "2011-07-05T02:33:35Z", "ms": 1309833215281.1597 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-07-04T01:37:41-03:00", "utc": "2011-07-04T04:37:41Z", "ms": 1309754261027.502 }, "end": { "local": "2011-07-04T23:33:35-03:00", "utc": "2011-07-05T02:33:35Z", "ms": 1309833215281.1597 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-07-03", "window": { "start": { "local": "2011-07-03T12:33:48-03:00", "utc": "2011-07-03T15:33:48Z", "ms": 1309707227771.4727 }, "end": { "local": "2011-07-03T13:21:48-03:00", "utc": "2011-07-03T16:21:48Z", "ms": 1309710107771.4727 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-07-04", "window": { "start": { "local": "2011-07-04T12:33:59-03:00", "utc": "2011-07-04T15:33:59Z", "ms": 1309793638983.3135 }, "end": { "local": "2011-07-04T13:21:59-03:00", "utc": "2011-07-04T16:21:59Z", "ms": 1309796518983.3135 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:38 on Mon 4 Jul to 23:34 on Mon 4 Jul.", "fact": "2011-07-04T04:37:41Z → 2011-07-05T02:33:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 3rd, 12:34–13:22 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36696 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2011: Monday 4 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": "2011-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2011 falls on Monday 4 July. Caturthī runs from 01:38 on Mon 4 Jul to 23:34 on Mon 4 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-07-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28626, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2011-07-04T23:33:35-03:00", "utc": "2011-07-05T02:33:35Z", "ms": 1309833215281.1597 }, "end": { "local": "2011-07-05T21:19:16-03:00", "utc": "2011-07-06T00:19:16Z", "ms": 1309911555782.2637 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-07-04T23:33:35-03:00", "utc": "2011-07-05T02:33:35Z", "ms": 1309833215281.1597 }, "end": { "local": "2011-07-05T21:19:16-03:00", "utc": "2011-07-06T00:19:16Z", "ms": 1309911555782.2637 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-07-04", "window": { "start": { "local": "2011-07-04T12:33:59-03:00", "utc": "2011-07-04T15:33:59Z", "ms": 1309793638983.3135 }, "end": { "local": "2011-07-04T13:21:59-03:00", "utc": "2011-07-04T16:21:59Z", "ms": 1309796518983.3135 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-07-05", "window": { "start": { "local": "2011-07-05T12:34:10-03:00", "utc": "2011-07-05T15:34:10Z", "ms": 1309880049855.0112 }, "end": { "local": "2011-07-05T13:22:10-03:00", "utc": "2011-07-05T16:22:10Z", "ms": 1309882929855.0112 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:34 on Mon 4 Jul to 21:19 on Tue 5 Jul.", "fact": "2011-07-05T02:33:35Z → 2011-07-06T00:19:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 4th, 12:34–13:22 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: paraviddha → only-day · margin 28626 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Buenos Aires, 2011: Tuesday 5 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": "2011-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-05", "confidence": "determinate" } ], "quote": "In Buenos Aires, Skanda Pañcamī 2011 falls on Tuesday 5 July. Pañcamī runs from 23:34 on Mon 4 Jul to 21:19 on Tue 5 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11786, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2011-07-06T18:59:37-03:00", "utc": "2011-07-06T21:59:37Z", "ms": 1309989576838.7239 }, "end": { "local": "2011-07-07T16:38:56-03:00", "utc": "2011-07-07T19:38:56Z", "ms": 1310067536335.417 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-07-06T18:59:37-03:00", "utc": "2011-07-06T21:59:37Z", "ms": 1309989576838.7239 }, "end": { "local": "2011-07-07T16:38:56-03:00", "utc": "2011-07-07T19:38:56Z", "ms": 1310067536335.417 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-07-06", "window": { "start": { "local": "2011-07-06T12:34:20-03:00", "utc": "2011-07-06T15:34:20Z", "ms": 1309966460363.3862 }, "end": { "local": "2011-07-06T13:22:20-03:00", "utc": "2011-07-06T16:22:20Z", "ms": 1309969340363.3862 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-07-07", "window": { "start": { "local": "2011-07-07T12:34:30-03:00", "utc": "2011-07-07T15:34:30Z", "ms": 1310052870486.8435 }, "end": { "local": "2011-07-07T13:22:30-03:00", "utc": "2011-07-07T16:22:30Z", "ms": 1310055750486.8435 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:00 on Wed 6 Jul to 16:39 on Thu 7 Jul.", "fact": "2011-07-06T21:59:37Z → 2011-07-07T19:38:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 6th, 12:35–13:23 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 11786 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Buenos Aires, 2011: Thursday 7 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": "2011-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vivasvat Saptamī 2011 falls on Thursday 7 July. Saptamī runs from 19:00 on Wed 6 Jul to 16:39 on Thu 7 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-07-11", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 787, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-07-10T10:05:11-03:00", "utc": "2011-07-10T13:05:11Z", "ms": 1310303110606.074 }, "end": { "local": "2011-07-11T08:13:01-03:00", "utc": "2011-07-11T11:13:01Z", "ms": 1310382780584.3882 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-07-10T10:05:11-03:00", "utc": "2011-07-10T13:05:11Z", "ms": 1310303110606.074 }, "end": { "local": "2011-07-11T08:13:01-03:00", "utc": "2011-07-11T11:13:01Z", "ms": 1310382780584.3882 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-07-10", "window": { "start": { "local": "2011-07-10T08:00:11-03:00", "utc": "2011-07-10T11:00:11Z", "ms": 1310295610711.386 }, "end": { "local": "2011-07-10T08:00:11-03:00", "utc": "2011-07-10T11:00:11Z", "ms": 1310295610711.386 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-07-11", "window": { "start": { "local": "2011-07-11T07:59:53-03:00", "utc": "2011-07-11T10:59:53Z", "ms": 1310381993384.4058 }, "end": { "local": "2011-07-11T07:59:53-03:00", "utc": "2011-07-11T10:59:53Z", "ms": 1310381993384.4058 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:05 on Sun 10 Jul to 08:13 on Mon 11 Jul.", "fact": "2011-07-10T13:05:11Z → 2011-07-11T11:13:01Z" }, { "step": "kaala", "text": "Sunrise is at 08:00 on the 10th and 08:00 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 787 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Buenos Aires, 2011: Monday 11 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": "2011-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Hariśayanī Ekādaśī 2011 falls on Monday 11 July. Ekādaśī runs from 10:05 on Sun 10 Jul to 08:13 on Mon 11 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-07-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-07-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33813, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-07-12T06:35:04-03:00", "utc": "2011-07-12T09:35:04Z", "ms": 1310463304436.1016 }, "end": { "local": "2011-07-13T05:14:31-03:00", "utc": "2011-07-13T08:14:31Z", "ms": 1310544870673.8318 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-07-12T06:35:04-03:00", "utc": "2011-07-12T09:35:04Z", "ms": 1310463304436.1016 }, "end": { "local": "2011-07-13T05:14:31-03:00", "utc": "2011-07-13T08:14:31Z", "ms": 1310544870673.8318 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-07-11", "window": { "start": { "local": "2011-07-11T17:58:20-03:00", "utc": "2011-07-11T20:58:20Z", "ms": 1310417900147.66 }, "end": { "local": "2011-07-11T19:50:30-03:00", "utc": "2011-07-11T22:50:30Z", "ms": 1310424630049.0535 } }, "covered_min": 0, "window_min": 112, "qualifies": false }, { "local_date": "2011-07-12", "window": { "start": { "local": "2011-07-12T17:58:55-03:00", "utc": "2011-07-12T20:58:55Z", "ms": 1310504335003.5706 }, "end": { "local": "2011-07-12T19:50:58-03:00", "utc": "2011-07-12T22:50:58Z", "ms": 1310511057508.3247 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:35 on Tue 12 Jul to 05:15 on Wed 13 Jul.", "fact": "2011-07-12T09:35:04Z → 2011-07-13T08:14:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:51 on the 11th, 17:59–19:51 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 112 minutes on the 11th and 112 of 112 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 33813 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2011: Tuesday 12 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": "2011-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2011 falls on Tuesday 12 July. Trayodaśī runs from 06:35 on Tue 12 Jul to 05:15 on Wed 13 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-07-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13444, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-07-14T04:14:48-03:00", "utc": "2011-07-14T07:14:48Z", "ms": 1310627687800.5476 }, "end": { "local": "2011-07-15T03:39:37-03:00", "utc": "2011-07-15T06:39:37Z", "ms": 1310711976621.9087 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-07-14T04:14:48-03:00", "utc": "2011-07-14T07:14:48Z", "ms": 1310627687800.5476 }, "end": { "local": "2011-07-15T03:39:37-03:00", "utc": "2011-07-15T06:39:37Z", "ms": 1310711976621.9087 } }, "kaala": "udaya-3", "days": [ { "local_date": "2011-07-14", "window": { "start": { "local": "2011-07-14T07:58:52-03:00", "utc": "2011-07-14T10:58:52Z", "ms": 1310641131535.7126 }, "end": { "local": "2011-07-14T09:59:07-03:00", "utc": "2011-07-14T12:59:07Z", "ms": 1310648346578.838 } }, "covered_min": 120, "window_min": 120, "qualifies": true }, { "local_date": "2011-07-15", "window": { "start": { "local": "2011-07-15T07:58:28-03:00", "utc": "2011-07-15T10:58:28Z", "ms": 1310727507656.554 }, "end": { "local": "2011-07-15T09:58:55-03:00", "utc": "2011-07-15T12:58:55Z", "ms": 1310734734842.436 } }, "covered_min": 0, "window_min": 120, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:15 on Thu 14 Jul to 03:40 on Fri 15 Jul.", "fact": "2011-07-14T07:14:48Z → 2011-07-15T06:39:37Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 07:59–09:59 on the 14th, 07:58–09:59 on the 15th.", "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 120 of 120 minutes on the 14th and 0 of 120 on the 15th.", "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 13444 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Buenos Aires, 2011: Thursday 14 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": "2011-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vyāsa Pūjā 2011 falls on Thursday 14 July. Pūrṇimā runs from 04:15 on Thu 14 Jul to 03:40 on Fri 15 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30041, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-07-14T04:14:48-03:00", "utc": "2011-07-14T07:14:48Z", "ms": 1310627687800.5476 }, "end": { "local": "2011-07-15T03:39:37-03:00", "utc": "2011-07-15T06:39:37Z", "ms": 1310711976621.9087 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-07-14T04:14:48-03:00", "utc": "2011-07-14T07:14:48Z", "ms": 1310627687800.5476 }, "end": { "local": "2011-07-15T03:39:37-03:00", "utc": "2011-07-15T06:39:37Z", "ms": 1310711976621.9087 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-07-14", "window": { "start": { "local": "2011-07-14T12:35:29-03:00", "utc": "2011-07-14T15:35:29Z", "ms": 1310657729143.526 }, "end": { "local": "2011-07-14T13:23:29-03:00", "utc": "2011-07-14T16:23:29Z", "ms": 1310660609143.526 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-07-15", "window": { "start": { "local": "2011-07-15T12:35:36-03:00", "utc": "2011-07-15T15:35:36Z", "ms": 1310744135621.2588 }, "end": { "local": "2011-07-15T13:23:36-03:00", "utc": "2011-07-15T16:23:36Z", "ms": 1310747015621.2588 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:15 on Thu 14 Jul to 03:40 on Fri 15 Jul.", "fact": "2011-07-14T07:14:48Z → 2011-07-15T06:39:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 14th, 12:36–13:24 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30041 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Buenos Aires, 2011: Thursday 14 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": "2011-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Guru Pūrṇimā 2011 falls on Thursday 14 July. Pūrṇimā runs from 04:15 on Thu 14 Jul to 03:40 on Fri 15 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34770, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-07-14T04:14:48-03:00", "utc": "2011-07-14T07:14:48Z", "ms": 1310627687800.5476 }, "end": { "local": "2011-07-15T03:39:37-03:00", "utc": "2011-07-15T06:39:37Z", "ms": 1310711976621.9087 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-07-14T04:14:48-03:00", "utc": "2011-07-14T07:14:48Z", "ms": 1310627687800.5476 }, "end": { "local": "2011-07-15T03:39:37-03:00", "utc": "2011-07-15T06:39:37Z", "ms": 1310711976621.9087 } }, "kaala": "sayahna", "days": [ { "local_date": "2011-07-13", "window": { "start": { "local": "2011-07-13T15:59:27-03:00", "utc": "2011-07-13T18:59:27Z", "ms": 1310583567196.0642 }, "end": { "local": "2011-07-13T17:59:31-03:00", "utc": "2011-07-13T20:59:31Z", "ms": 1310590770547.7737 } }, "covered_min": 0, "window_min": 120, "qualifies": false }, { "local_date": "2011-07-14", "window": { "start": { "local": "2011-07-14T15:59:52-03:00", "utc": "2011-07-14T18:59:52Z", "ms": 1310669991708.214 }, "end": { "local": "2011-07-14T18:00:07-03:00", "utc": "2011-07-14T21:00:07Z", "ms": 1310677206751.3394 } }, "covered_min": 120, "window_min": 120, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:15 on Thu 14 Jul to 03:40 on Fri 15 Jul.", "fact": "2011-07-14T07:14:48Z → 2011-07-15T06:39:37Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:59–18:00 on the 13th, 16:00–18:00 on the 14th.", "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 120 minutes on the 13th and 120 of 120 on the 14th.", "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 34770 s" }, { "step": "ruling", "text": "Kokilā Vrata, Buenos Aires, 2011: Thursday 14 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": "2011-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kokilā Vrata 2011 falls on Thursday 14 July. Pūrṇimā runs from 04:15 on Thu 14 Jul to 03:40 on Fri 15 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28063, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-07-14T04:14:48-03:00", "utc": "2011-07-14T07:14:48Z", "ms": 1310627687800.5476 }, "end": { "local": "2011-07-15T03:39:37-03:00", "utc": "2011-07-15T06:39:37Z", "ms": 1310711976621.9087 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2011-07-14T04:14:48-03:00", "utc": "2011-07-14T07:14:48Z", "ms": 1310627687800.5476 }, "end": { "local": "2011-07-15T03:39:37-03:00", "utc": "2011-07-15T06:39:37Z", "ms": 1310711976621.9087 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-07-13", "window": { "start": { "local": "2011-07-13T17:59:31-03:00", "utc": "2011-07-13T20:59:31Z", "ms": 1310590770547.7737 }, "end": { "local": "2011-07-13T19:51:25-03:00", "utc": "2011-07-13T22:51:25Z", "ms": 1310597485346.1655 } }, "covered_min": 0, "window_min": 112, "qualifies": false }, { "local_date": "2011-07-14", "window": { "start": { "local": "2011-07-14T18:00:07-03:00", "utc": "2011-07-14T21:00:07Z", "ms": 1310677206751.3394 }, "end": { "local": "2011-07-14T19:51:54-03:00", "utc": "2011-07-14T22:51:54Z", "ms": 1310683913538.7014 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:15 on Thu 14 Jul to 03:40 on Fri 15 Jul.", "fact": "2011-07-14T07:14:48Z → 2011-07-15T06:39:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:00–19:51 on the 13th, 18:00–19:52 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 0 of 112 minutes on the 13th and 112 of 112 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: unstated → only-day · margin 28063 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Buenos Aires, 2011: Thursday 14 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śiva Śayanotsava 2011 falls on Thursday 14 July. Pūrṇimā runs from 04:15 on Thu 14 Jul to 03:40 on Fri 15 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29584, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2011-07-16T03:32:30-03:00", "utc": "2011-07-16T06:32:30Z", "ms": 1310797950005.2974 }, "end": { "local": "2011-07-17T03:56:19-03:00", "utc": "2011-07-17T06:56:19Z", "ms": 1310885779066.5217 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2011-07-16T03:32:30-03:00", "utc": "2011-07-16T06:32:30Z", "ms": 1310797950005.2974 }, "end": { "local": "2011-07-17T03:56:19-03:00", "utc": "2011-07-17T06:56:19Z", "ms": 1310885779066.5217 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-07-15", "window": { "start": { "local": "2011-07-15T18:42:15-03:00", "utc": "2011-07-15T21:42:15Z", "ms": 1310766134897.796 }, "end": { "local": "2011-07-15T18:42:15-03:00", "utc": "2011-07-15T21:42:15Z", "ms": 1310766134897.796 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-07-16", "window": { "start": { "local": "2011-07-16T19:43:15-03:00", "utc": "2011-07-16T22:43:15Z", "ms": 1310856195404.0576 }, "end": { "local": "2011-07-16T19:43:15-03:00", "utc": "2011-07-16T22:43:15Z", "ms": 1310856195404.0576 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 03:33 on Sat 16 Jul to 03:56 on Sun 17 Jul.", "fact": "2011-07-16T06:32:30Z → 2011-07-17T06:56:19Z" }, { "step": "kaala", "text": "Moonrise is at 18:42 on the 15th and 19:43 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29584 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Buenos Aires, 2011: Saturday 16 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": "2011-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Aśūnya Śayana Vrata (Āṣāḍha) 2011 falls on Saturday 16 July. Dvitīyā runs from 03:33 on Sat 16 Jul to 03:56 on Sun 17 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-07-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29414, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-07-18T04:52:27-03:00", "utc": "2011-07-18T07:52:27Z", "ms": 1310975547039.9917 }, "end": { "local": "2011-07-19T06:19:56-03:00", "utc": "2011-07-19T09:19:56Z", "ms": 1311067196194.0913 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2011-07-18T04:52:27-03:00", "utc": "2011-07-18T07:52:27Z", "ms": 1310975547039.9917 }, "end": { "local": "2011-07-19T06:19:56-03:00", "utc": "2011-07-19T09:19:56Z", "ms": 1311067196194.0913 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-07-17", "window": { "start": { "local": "2011-07-17T20:42:13-03:00", "utc": "2011-07-17T23:42:13Z", "ms": 1310946133285.295 }, "end": { "local": "2011-07-17T20:42:13-03:00", "utc": "2011-07-17T23:42:13Z", "ms": 1310946133285.295 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-07-18", "window": { "start": { "local": "2011-07-18T21:39:17-03:00", "utc": "2011-07-19T00:39:17Z", "ms": 1311035957398.8835 }, "end": { "local": "2011-07-18T21:39:17-03:00", "utc": "2011-07-19T00:39:17Z", "ms": 1311035957398.8835 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:52 on Mon 18 Jul to 06:20 on Tue 19 Jul.", "fact": "2011-07-18T07:52:27Z → 2011-07-19T09:19:56Z" }, { "step": "kaala", "text": "Moonrise is at 20:42 on the 17th and 21:39 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29414 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2011: Monday 18 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": "2011-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2011 falls on Monday 18 July. Caturthī runs from 04:52 on Mon 18 Jul to 06:20 on Tue 19 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-07-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/ekadashi?on=2011-07-26", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38661, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-07-25T18:37:23-03:00", "utc": "2011-07-25T21:37:23Z", "ms": 1311629842832.5508 }, "end": { "local": "2011-07-26T19:26:49-03:00", "utc": "2011-07-26T22:26:49Z", "ms": 1311719208585.773 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2011-07-25T18:37:23-03:00", "utc": "2011-07-25T21:37:23Z", "ms": 1311629842832.5508 }, "end": { "local": "2011-07-26T19:26:49-03:00", "utc": "2011-07-26T22:26:49Z", "ms": 1311719208585.773 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-07-25", "window": { "start": { "local": "2011-07-25T07:53:02-03:00", "utc": "2011-07-25T10:53:02Z", "ms": 1311591181991.4773 }, "end": { "local": "2011-07-25T07:53:02-03:00", "utc": "2011-07-25T10:53:02Z", "ms": 1311591181991.4773 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-07-26", "window": { "start": { "local": "2011-07-26T07:52:21-03:00", "utc": "2011-07-26T10:52:21Z", "ms": 1311677541040.0034 }, "end": { "local": "2011-07-26T07:52:21-03:00", "utc": "2011-07-26T10:52:21Z", "ms": 1311677541040.0034 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:37 on Mon 25 Jul to 19:27 on Tue 26 Jul.", "fact": "2011-07-25T21:37:23Z → 2011-07-26T22:26:49Z" }, { "step": "kaala", "text": "Sunrise is at 07:53 on the 25th and 07:52 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38661 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Buenos Aires, 2011: Tuesday 26 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": "2011-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kāmikā Ekādaśī 2011 falls on Tuesday 26 July. Ekādaśī runs from 18:37 on Mon 25 Jul to 19:27 on Tue 26 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-07-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-07-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-28", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1556, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-07-27T19:32:26-03:00", "utc": "2011-07-27T22:32:26Z", "ms": 1311805945553.9517 }, "end": { "local": "2011-07-28T18:53:53-03:00", "utc": "2011-07-28T21:53:53Z", "ms": 1311890032663.3293 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2011-07-27T19:32:26-03:00", "utc": "2011-07-27T22:32:26Z", "ms": 1311805945553.9517 }, "end": { "local": "2011-07-28T18:53:53-03:00", "utc": "2011-07-28T21:53:53Z", "ms": 1311890032663.3293 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-07-27", "window": { "start": { "local": "2011-07-27T18:08:45-03:00", "utc": "2011-07-27T21:08:45Z", "ms": 1311800924560.6306 }, "end": { "local": "2011-07-27T19:58:22-03:00", "utc": "2011-07-27T22:58:22Z", "ms": 1311807501921.556 } }, "covered_min": 26, "window_min": 110, "qualifies": true }, { "local_date": "2011-07-28", "window": { "start": { "local": "2011-07-28T18:09:27-03:00", "utc": "2011-07-28T21:09:27Z", "ms": 1311887367020.967 }, "end": { "local": "2011-07-28T19:58:53-03:00", "utc": "2011-07-28T22:58:53Z", "ms": 1311893932682.2026 } }, "covered_min": 44, "window_min": 109, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:32 on Wed 27 Jul to 18:54 on Thu 28 Jul.", "fact": "2011-07-27T22:32:26Z → 2011-07-28T21:53:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:58 on the 27th, 18:09–19:59 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 26 of 110 minutes on the 27th and 44 of 109 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1556 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2011: Thursday 28 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-07-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-27", "confidence": "boundary" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2011 falls on Thursday 28 July. Trayodaśī runs from 19:32 on Wed 27 Jul to 18:54 on Thu 28 Jul and covers 44 of 109 minutes of pradoṣa that evening. It also reaches the previous evening for 26 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/buenos-aires/festivals/2011/pradosha-vrata?on=2011-07-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shivaratri?on=2011-07-28", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-07-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20516, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-07-28T18:53:53-03:00", "utc": "2011-07-28T21:53:53Z", "ms": 1311890032663.3293 }, "end": { "local": "2011-07-29T17:34:23-03:00", "utc": "2011-07-29T20:34:23Z", "ms": 1311971662749.956 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2011-07-28T18:53:53-03:00", "utc": "2011-07-28T21:53:53Z", "ms": 1311890032663.3293 }, "end": { "local": "2011-07-29T17:34:23-03:00", "utc": "2011-07-29T20:34:23Z", "ms": 1311971662749.956 } }, "kaala": "nishita", "days": [ { "local_date": "2011-07-28", "window": { "start": { "local": "2011-07-29T00:35:48-03:00", "utc": "2011-07-29T03:35:48Z", "ms": 1311910548250.6006 }, "end": { "local": "2011-07-29T01:23:48-03:00", "utc": "2011-07-29T04:23:48Z", "ms": 1311913428250.6006 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-07-29", "window": { "start": { "local": "2011-07-30T00:35:46-03:00", "utc": "2011-07-30T03:35:46Z", "ms": 1311996946246.7341 }, "end": { "local": "2011-07-30T01:23:46-03:00", "utc": "2011-07-30T04:23:46Z", "ms": 1311999826246.7341 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:54 on Thu 28 Jul to 17:34 on Fri 29 Jul.", "fact": "2011-07-28T21:53:53Z → 2011-07-29T20:34:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:36–01:24 on the 28th, 00:36–01:24 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 20516 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2011: Thursday 28 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-07-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-07-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2011 falls on Thursday 28 July. Caturdaśī runs from 18:54 on Thu 28 Jul to 17:34 on Fri 29 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/shivaratri?on=2011-07-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7158, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2011-08-01T10:36:44-03:00", "utc": "2011-08-01T13:36:44Z", "ms": 1312205803695.0947 }, "end": { "local": "2011-08-02T07:45:25-03:00", "utc": "2011-08-02T10:45:25Z", "ms": 1312281925438.5781 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2011-08-01T10:36:44-03:00", "utc": "2011-08-01T13:36:44Z", "ms": 1312205803695.0947 }, "end": { "local": "2011-08-02T07:45:25-03:00", "utc": "2011-08-02T10:45:25Z", "ms": 1312281925438.5781 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-08-01", "window": { "start": { "local": "2011-08-01T12:36:02-03:00", "utc": "2011-08-01T15:36:02Z", "ms": 1312212962049.9673 }, "end": { "local": "2011-08-01T13:24:02-03:00", "utc": "2011-08-01T16:24:02Z", "ms": 1312215842049.9673 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-08-02", "window": { "start": { "local": "2011-08-02T12:35:58-03:00", "utc": "2011-08-02T15:35:58Z", "ms": 1312299358299.625 }, "end": { "local": "2011-08-02T13:23:58-03:00", "utc": "2011-08-02T16:23:58Z", "ms": 1312302238299.625 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 10:37 on Mon 1 Aug to 07:45 on Tue 2 Aug.", "fact": "2011-08-01T13:36:44Z → 2011-08-02T10:45:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 1st, 12:36–13:24 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7158 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Buenos Aires, 2011: Monday 1 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Madhusravā Tṛtīyā (Hariyali Teej) 2011 falls on Monday 1 August. Tṛtīyā runs from 10:37 on Mon 1 Aug to 07:45 on Tue 2 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-08-02", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17433, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-08-02T07:45:25-03:00", "utc": "2011-08-02T10:45:25Z", "ms": 1312281925438.5781 }, "end": { "local": "2011-08-03T04:52:12-03:00", "utc": "2011-08-03T07:52:12Z", "ms": 1312357931735.3982 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2011-08-02T07:45:25-03:00", "utc": "2011-08-02T10:45:25Z", "ms": 1312281925438.5781 }, "end": { "local": "2011-08-03T04:52:12-03:00", "utc": "2011-08-03T07:52:12Z", "ms": 1312357931735.3982 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-08-02", "window": { "start": { "local": "2011-08-02T12:35:58-03:00", "utc": "2011-08-02T15:35:58Z", "ms": 1312299358299.625 }, "end": { "local": "2011-08-02T13:23:58-03:00", "utc": "2011-08-02T16:23:58Z", "ms": 1312302238299.625 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-08-03", "window": { "start": { "local": "2011-08-03T12:35:54-03:00", "utc": "2011-08-03T15:35:54Z", "ms": 1312385753925.5168 }, "end": { "local": "2011-08-03T13:23:54-03:00", "utc": "2011-08-03T16:23:54Z", "ms": 1312388633925.5168 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:45 on Tue 2 Aug to 04:52 on Wed 3 Aug.", "fact": "2011-08-02T10:45:25Z → 2011-08-03T07:52:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 2nd, 12:36–13:24 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 17433 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2011: Tuesday 2 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2011 falls on Tuesday 2 August. Caturthī runs from 07:45 on Tue 2 Aug to 04:52 on Wed 3 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-08-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27822, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2011-08-03T04:52:12-03:00", "utc": "2011-08-03T07:52:12Z", "ms": 1312357931735.3982 }, "end": { "local": "2011-08-04T02:04:35-03:00", "utc": "2011-08-04T05:04:35Z", "ms": 1312434275098.0125 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2011-08-03T04:52:12-03:00", "utc": "2011-08-03T07:52:12Z", "ms": 1312357931735.3982 }, "end": { "local": "2011-08-04T02:04:35-03:00", "utc": "2011-08-04T05:04:35Z", "ms": 1312434275098.0125 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-08-03", "window": { "start": { "local": "2011-08-03T12:35:54-03:00", "utc": "2011-08-03T15:35:54Z", "ms": 1312385753925.5168 }, "end": { "local": "2011-08-03T13:23:54-03:00", "utc": "2011-08-03T16:23:54Z", "ms": 1312388633925.5168 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-08-04", "window": { "start": { "local": "2011-08-04T12:35:49-03:00", "utc": "2011-08-04T15:35:49Z", "ms": 1312472148926.2278 }, "end": { "local": "2011-08-04T13:23:49-03:00", "utc": "2011-08-04T16:23:49Z", "ms": 1312475028926.2278 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:52 on Wed 3 Aug to 02:05 on Thu 4 Aug.", "fact": "2011-08-03T07:52:12Z → 2011-08-04T05:04:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 3rd, 12:36–13:24 on the 4th.", "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 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: paraviddha → only-day · margin 27822 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Buenos Aires, 2011: Wednesday 3 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": "2011-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nāga Pañcamī 2011 falls on Wednesday 3 August. Pañcamī runs from 04:52 on Wed 3 Aug to 02:05 on Thu 4 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-08-09", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28257, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-08-08T16:21:58-03:00", "utc": "2011-08-08T19:21:58Z", "ms": 1312831318208.7844 }, "end": { "local": "2011-08-09T15:31:19-03:00", "utc": "2011-08-09T18:31:19Z", "ms": 1312914679445.2332 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2011-08-08T16:21:58-03:00", "utc": "2011-08-08T19:21:58Z", "ms": 1312831318208.7844 }, "end": { "local": "2011-08-09T15:31:19-03:00", "utc": "2011-08-09T18:31:19Z", "ms": 1312914679445.2332 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-08-08", "window": { "start": { "local": "2011-08-08T07:41:22-03:00", "utc": "2011-08-08T10:41:22Z", "ms": 1312800081914.089 }, "end": { "local": "2011-08-08T07:41:22-03:00", "utc": "2011-08-08T10:41:22Z", "ms": 1312800081914.089 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-08-09", "window": { "start": { "local": "2011-08-09T07:40:22-03:00", "utc": "2011-08-09T10:40:22Z", "ms": 1312886422141.3855 }, "end": { "local": "2011-08-09T07:40:22-03:00", "utc": "2011-08-09T10:40:22Z", "ms": 1312886422141.3855 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:22 on Mon 8 Aug to 15:31 on Tue 9 Aug.", "fact": "2011-08-08T19:21:58Z → 2011-08-09T18:31:19Z" }, { "step": "kaala", "text": "Sunrise is at 07:41 on the 8th and 07:40 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28257 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Buenos Aires, 2011: Tuesday 9 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": "2011-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Putradā Ekādaśī 2011 falls on Tuesday 9 August. Ekādaśī runs from 16:22 on Mon 8 Aug to 15:31 on Tue 9 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6011, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2011-08-09T15:31:19-03:00", "utc": "2011-08-09T18:31:19Z", "ms": 1312914679445.2332 }, "end": { "local": "2011-08-10T15:03:17-03:00", "utc": "2011-08-10T18:03:17Z", "ms": 1312999397004.8438 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2011-08-09T15:31:19-03:00", "utc": "2011-08-09T18:31:19Z", "ms": 1312914679445.2332 }, "end": { "local": "2011-08-10T15:03:17-03:00", "utc": "2011-08-10T18:03:17Z", "ms": 1312999397004.8438 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-08-09", "window": { "start": { "local": "2011-08-09T12:35:15-03:00", "utc": "2011-08-09T15:35:15Z", "ms": 1312904114631.8647 }, "end": { "local": "2011-08-09T13:23:15-03:00", "utc": "2011-08-09T16:23:15Z", "ms": 1312906994631.8647 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-08-10", "window": { "start": { "local": "2011-08-10T12:35:06-03:00", "utc": "2011-08-10T15:35:06Z", "ms": 1312990505953.2834 }, "end": { "local": "2011-08-10T13:23:06-03:00", "utc": "2011-08-10T16:23:06Z", "ms": 1312993385953.2834 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:31 on Tue 9 Aug to 15:03 on Wed 10 Aug.", "fact": "2011-08-09T18:31:19Z → 2011-08-10T18:03:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 9th, 12:35–13:23 on the 10th.", "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 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6011 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Buenos Aires, 2011: Wednesday 10 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": "2011-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-10", "confidence": "determinate" } ], "quote": "In Buenos Aires, Dāmodara Dvādaśī 2011 falls on Wednesday 10 August. Dvādaśī runs from 15:31 on Tue 9 Aug to 15:03 on Wed 10 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-08-10", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11734, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-08-10T15:03:17-03:00", "utc": "2011-08-10T18:03:17Z", "ms": 1312999397004.8438 }, "end": { "local": "2011-08-11T14:57:53-03:00", "utc": "2011-08-11T17:57:53Z", "ms": 1313085473096.1235 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2011-08-10T15:03:17-03:00", "utc": "2011-08-10T18:03:17Z", "ms": 1312999397004.8438 }, "end": { "local": "2011-08-11T14:57:53-03:00", "utc": "2011-08-11T17:57:53Z", "ms": 1313085473096.1235 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-08-10", "window": { "start": { "local": "2011-08-10T18:18:51-03:00", "utc": "2011-08-10T21:18:51Z", "ms": 1313011130715.4756 }, "end": { "local": "2011-08-10T20:05:26-03:00", "utc": "2011-08-10T23:05:26Z", "ms": 1313017526498.816 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "2011-08-11", "window": { "start": { "local": "2011-08-11T18:19:34-03:00", "utc": "2011-08-11T21:19:34Z", "ms": 1313097574285.567 }, "end": { "local": "2011-08-11T20:05:56-03:00", "utc": "2011-08-11T23:05:56Z", "ms": 1313103955829.809 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:03 on Wed 10 Aug to 14:58 on Thu 11 Aug.", "fact": "2011-08-10T18:03:17Z → 2011-08-11T17:57:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–20:05 on the 10th, 18:20–20:06 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 107 of 107 minutes on the 10th and 0 of 106 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 11734 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2011: Wednesday 10 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": "2011-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-10", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2011 falls on Wednesday 10 August. Trayodaśī runs from 15:03 on Wed 10 Aug to 14:58 on Thu 11 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-08-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-13", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 14561, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-08-12T15:15:39-03:00", "utc": "2011-08-12T18:15:39Z", "ms": 1313172939091.3936 }, "end": { "local": "2011-08-13T15:57:30-03:00", "utc": "2011-08-13T18:57:30Z", "ms": 1313261850495.7346 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2011-08-13T03:33:30-03:00", "utc": "2011-08-13T06:33:30Z", "ms": 1313217210273.8271 }, "end": { "local": "2011-08-13T15:57:30-03:00", "utc": "2011-08-13T18:57:30Z", "ms": 1313261850495.7346 } }, "kaala": "day", "days": [ { "local_date": "2011-08-12", "window": { "start": { "local": "2011-08-12T07:37:16-03:00", "utc": "2011-08-12T10:37:16Z", "ms": 1313145435867.3833 }, "end": { "local": "2011-08-13T07:36:12-03:00", "utc": "2011-08-13T10:36:12Z", "ms": 1313231771549.6116 } }, "covered_min": 243, "window_min": 1439, "qualifies": true }, { "local_date": "2011-08-13", "window": { "start": { "local": "2011-08-13T07:36:12-03:00", "utc": "2011-08-13T10:36:12Z", "ms": 1313231771549.6116 }, "end": { "local": "2011-08-14T07:35:06-03:00", "utc": "2011-08-14T10:35:06Z", "ms": 1313318106165.353 } }, "covered_min": 501, "window_min": 1439, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:16 on Fri 12 Aug to 15:58 on Sat 13 Aug. Its second half begins at 03:34 on Sat 13 Aug.", "fact": "2011-08-12T18:15:39Z → 2011-08-13T18:57:30Z · second half from 2011-08-13T06:33:30Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 07:37 on the 12th, and from 07:36 on the 13th.", "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 243 of 1439 minutes on the 12th and 501 of 1439 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 14561 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Buenos Aires, 2011: Saturday 13 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-08-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-13", "confidence": "boundary" } ], "quote": "In Buenos Aires, Rakṣā Bandhana (Rakhi) 2011 falls on Saturday 13 August. The second half of Pūrṇimā runs from 03:34 on Sat 13 Aug to 15:58 on Sat 13 Aug and falls on two days: 501 minutes of it on the 13th, 243 on the 12th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6772, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-08-12T15:15:39-03:00", "utc": "2011-08-12T18:15:39Z", "ms": 1313172939091.3936 }, "end": { "local": "2011-08-13T15:57:30-03:00", "utc": "2011-08-13T18:57:30Z", "ms": 1313261850495.7346 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2011-08-12T15:15:39-03:00", "utc": "2011-08-12T18:15:39Z", "ms": 1313172939091.3936 }, "end": { "local": "2011-08-13T15:57:30-03:00", "utc": "2011-08-13T18:57:30Z", "ms": 1313261850495.7346 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-08-12", "window": { "start": { "local": "2011-08-12T12:34:47-03:00", "utc": "2011-08-12T15:34:47Z", "ms": 1313163286846.8582 }, "end": { "local": "2011-08-12T13:22:47-03:00", "utc": "2011-08-12T16:22:47Z", "ms": 1313166166846.8582 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-08-13", "window": { "start": { "local": "2011-08-13T12:34:36-03:00", "utc": "2011-08-13T15:34:36Z", "ms": 1313249676441.1655 }, "end": { "local": "2011-08-13T13:22:36-03:00", "utc": "2011-08-13T16:22:36Z", "ms": 1313252556441.1655 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:16 on Fri 12 Aug to 15:58 on Sat 13 Aug.", "fact": "2011-08-12T18:15:39Z → 2011-08-13T18:57:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 12th, 12:35–13:23 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6772 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Buenos Aires, 2011: Saturday 13 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": "2011-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ṛṣi Tarpaṇa 2011 falls on Saturday 13 August. Pūrṇimā runs from 15:16 on Fri 12 Aug to 15:58 on Sat 13 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6541, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2011-08-14T17:04:21-03:00", "utc": "2011-08-14T20:04:21Z", "ms": 1313352261089.5325 }, "end": { "local": "2011-08-15T18:36:18-03:00", "utc": "2011-08-15T21:36:18Z", "ms": 1313444178338.6472 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-14T17:04:21-03:00", "utc": "2011-08-14T20:04:21Z", "ms": 1313352261089.5325 }, "end": { "local": "2011-08-15T18:36:18-03:00", "utc": "2011-08-15T21:36:18Z", "ms": 1313444178338.6472 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-08-14", "window": { "start": { "local": "2011-08-14T19:29:05-03:00", "utc": "2011-08-14T22:29:05Z", "ms": 1313360945230.0027 }, "end": { "local": "2011-08-14T19:29:05-03:00", "utc": "2011-08-14T22:29:05Z", "ms": 1313360945230.0027 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-08-15", "window": { "start": { "local": "2011-08-15T20:25:19-03:00", "utc": "2011-08-15T23:25:19Z", "ms": 1313450719296.277 }, "end": { "local": "2011-08-15T20:25:19-03:00", "utc": "2011-08-15T23:25:19Z", "ms": 1313450719296.277 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:04 on Sun 14 Aug to 18:36 on Mon 15 Aug.", "fact": "2011-08-14T20:04:21Z → 2011-08-15T21:36:18Z" }, { "step": "kaala", "text": "Moonrise is at 19:29 on the 14th and 20:25 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6541 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Buenos Aires, 2011: Sunday 14 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Aśūnya Śayana Vrata 2011 falls on Sunday 14 August. Dvitīyā runs from 17:04 on Sun 14 Aug to 18:36 on Mon 15 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18844, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2011-08-15T18:36:18-03:00", "utc": "2011-08-15T21:36:18Z", "ms": 1313444178338.6472 }, "end": { "local": "2011-08-16T20:31:47-03:00", "utc": "2011-08-16T23:31:47Z", "ms": 1313537506700.096 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-15T18:36:18-03:00", "utc": "2011-08-15T21:36:18Z", "ms": 1313444178338.6472 }, "end": { "local": "2011-08-16T20:31:47-03:00", "utc": "2011-08-16T23:31:47Z", "ms": 1313537506700.096 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-08-15", "window": { "start": { "local": "2011-08-15T12:34:14-03:00", "utc": "2011-08-15T15:34:14Z", "ms": 1313422453984.796 }, "end": { "local": "2011-08-15T13:22:14-03:00", "utc": "2011-08-15T16:22:14Z", "ms": 1313425333984.796 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-08-16", "window": { "start": { "local": "2011-08-16T12:34:02-03:00", "utc": "2011-08-16T15:34:02Z", "ms": 1313508841959.3293 }, "end": { "local": "2011-08-16T13:22:02-03:00", "utc": "2011-08-16T16:22:02Z", "ms": 1313511721959.3293 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 18:36 on Mon 15 Aug to 20:32 on Tue 16 Aug.", "fact": "2011-08-15T21:36:18Z → 2011-08-16T23:31:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 15th, 12:34–13:22 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18844 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Buenos Aires, 2011: Tuesday 16 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": "2011-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kajjalī Tṛtīyā (Kajari Teej) 2011 falls on Tuesday 16 August. Tṛtīyā runs from 18:36 on Mon 15 Aug to 20:32 on Tue 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-08-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-16", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1841, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-08-16T20:31:47-03:00", "utc": "2011-08-16T23:31:47Z", "ms": 1313537506700.096 }, "end": { "local": "2011-08-17T22:46:31-03:00", "utc": "2011-08-18T01:46:31Z", "ms": 1313631991150.868 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-16T20:31:47-03:00", "utc": "2011-08-16T23:31:47Z", "ms": 1313537506700.096 }, "end": { "local": "2011-08-17T22:46:31-03:00", "utc": "2011-08-18T01:46:31Z", "ms": 1313631991150.868 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-08-16", "window": { "start": { "local": "2011-08-16T21:20:43-03:00", "utc": "2011-08-17T00:20:43Z", "ms": 1313540442634.8572 }, "end": { "local": "2011-08-16T21:20:43-03:00", "utc": "2011-08-17T00:20:43Z", "ms": 1313540442634.8572 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-08-17", "window": { "start": { "local": "2011-08-17T22:15:50-03:00", "utc": "2011-08-18T01:15:50Z", "ms": 1313630149787.7861 }, "end": { "local": "2011-08-17T22:15:50-03:00", "utc": "2011-08-18T01:15:50Z", "ms": 1313630149787.7861 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:32 on Tue 16 Aug to 22:47 on Wed 17 Aug.", "fact": "2011-08-16T23:31:47Z → 2011-08-18T01:46:31Z" }, { "step": "kaala", "text": "Moonrise is at 21:21 on the 16th and 22:16 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both moonrises qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1841 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2011: Tuesday 16 August.", "fact": "confidence: boundary (tie-break-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": "2011-08-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-16", "confidence": "boundary" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2011 falls on Tuesday 16 August. Caturthī runs from 20:32 on Tue 16 Aug to 22:47 on Wed 17 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7715, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-08-16T20:31:47-03:00", "utc": "2011-08-16T23:31:47Z", "ms": 1313537506700.096 }, "end": { "local": "2011-08-17T22:46:31-03:00", "utc": "2011-08-18T01:46:31Z", "ms": 1313631991150.868 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-16T20:31:47-03:00", "utc": "2011-08-16T23:31:47Z", "ms": 1313537506700.096 }, "end": { "local": "2011-08-17T22:46:31-03:00", "utc": "2011-08-18T01:46:31Z", "ms": 1313631991150.868 } }, "kaala": "sayahna", "days": [ { "local_date": "2011-08-16", "window": { "start": { "local": "2011-08-16T16:13:08-03:00", "utc": "2011-08-16T19:13:08Z", "ms": 1313521987748.5962 }, "end": { "local": "2011-08-16T18:23:12-03:00", "utc": "2011-08-16T21:23:12Z", "ms": 1313529791608.1074 } }, "covered_min": 0, "window_min": 130, "qualifies": false }, { "local_date": "2011-08-17", "window": { "start": { "local": "2011-08-17T16:13:29-03:00", "utc": "2011-08-17T19:13:29Z", "ms": 1313608408733.259 }, "end": { "local": "2011-08-17T18:23:55-03:00", "utc": "2011-08-17T21:23:55Z", "ms": 1313616234942.3826 } }, "covered_min": 130, "window_min": 130, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:32 on Tue 16 Aug to 22:47 on Wed 17 Aug.", "fact": "2011-08-16T23:31:47Z → 2011-08-18T01:46:31Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:13–18:23 on the 16th, 16:13–18:24 on the 17th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 130 minutes on the 16th and 130 of 130 on the 17th.", "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 7715 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Buenos Aires, 2011: Wednesday 17 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": "2011-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Bahulā Caturthī 2011 falls on Wednesday 17 August. Caturthī runs from 20:32 on Tue 16 Aug to 22:47 on Wed 17 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31964, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2011-08-19T01:12:59-03:00", "utc": "2011-08-19T04:12:59Z", "ms": 1313727179439.9614 }, "end": { "local": "2011-08-20T03:40:24-03:00", "utc": "2011-08-20T06:40:24Z", "ms": 1313822424374.936 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-19T01:12:59-03:00", "utc": "2011-08-19T04:12:59Z", "ms": 1313727179439.9614 }, "end": { "local": "2011-08-20T03:40:24-03:00", "utc": "2011-08-20T06:40:24Z", "ms": 1313822424374.936 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-08-19", "window": { "start": { "local": "2011-08-19T12:33:23-03:00", "utc": "2011-08-19T15:33:23Z", "ms": 1313768002849.8918 }, "end": { "local": "2011-08-19T13:21:23-03:00", "utc": "2011-08-19T16:21:23Z", "ms": 1313770882849.8918 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-08-20", "window": { "start": { "local": "2011-08-20T12:33:09-03:00", "utc": "2011-08-20T15:33:09Z", "ms": 1313854388846.6025 }, "end": { "local": "2011-08-20T13:21:09-03:00", "utc": "2011-08-20T16:21:09Z", "ms": 1313857268846.6025 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:13 on Fri 19 Aug to 03:40 on Sat 20 Aug.", "fact": "2011-08-19T04:12:59Z → 2011-08-20T06:40:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 19th, 12:33–13:21 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31964 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Buenos Aires, 2011: Friday 19 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": "2011-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Hala Ṣaṣṭhī 2011 falls on Friday 19 August. Ṣaṣṭhī runs from 01:13 on Fri 19 Aug to 03:40 on Sat 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23834, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2011-08-20T03:40:24-03:00", "utc": "2011-08-20T06:40:24Z", "ms": 1313822424374.936 }, "end": { "local": "2011-08-21T05:55:41-03:00", "utc": "2011-08-21T08:55:41Z", "ms": 1313916940759.1028 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-20T03:40:24-03:00", "utc": "2011-08-20T06:40:24Z", "ms": 1313822424374.936 }, "end": { "local": "2011-08-21T05:55:41-03:00", "utc": "2011-08-21T08:55:41Z", "ms": 1313916940759.1028 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-08-20", "window": { "start": { "local": "2011-08-20T12:33:09-03:00", "utc": "2011-08-20T15:33:09Z", "ms": 1313854388846.6025 }, "end": { "local": "2011-08-20T13:21:09-03:00", "utc": "2011-08-20T16:21:09Z", "ms": 1313857268846.6025 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-08-21", "window": { "start": { "local": "2011-08-21T12:32:54-03:00", "utc": "2011-08-21T15:32:54Z", "ms": 1313940774382.2354 }, "end": { "local": "2011-08-21T13:20:54-03:00", "utc": "2011-08-21T16:20:54Z", "ms": 1313943654382.2354 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:40 on Sat 20 Aug to 05:56 on Sun 21 Aug.", "fact": "2011-08-20T06:40:24Z → 2011-08-21T08:55:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 20th, 12:33–13:21 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23834 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Buenos Aires, 2011: Saturday 20 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": "2011-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śītalā Saptamī 2011 falls on Saturday 20 August. Saptamī runs from 03:40 on Sat 20 Aug to 05:56 on Sun 21 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16508, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2011-08-21T05:55:41-03:00", "utc": "2011-08-21T08:55:41Z", "ms": 1313916940759.1028 }, "end": { "local": "2011-08-22T07:45:13-03:00", "utc": "2011-08-22T10:45:13Z", "ms": 1314009912589.3882 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-21T05:55:41-03:00", "utc": "2011-08-21T08:55:41Z", "ms": 1313916940759.1028 }, "end": { "local": "2011-08-22T07:45:13-03:00", "utc": "2011-08-22T10:45:13Z", "ms": 1314009912589.3882 } }, "kaala": "nishita", "days": [ { "local_date": "2011-08-20", "window": { "start": { "local": "2011-08-21T00:32:33-03:00", "utc": "2011-08-21T03:32:33Z", "ms": 1313897552818.5884 }, "end": { "local": "2011-08-21T01:20:33-03:00", "utc": "2011-08-21T04:20:33Z", "ms": 1313900432818.5884 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-08-21", "window": { "start": { "local": "2011-08-22T00:32:18-03:00", "utc": "2011-08-22T03:32:18Z", "ms": 1313983937934.2163 }, "end": { "local": "2011-08-22T01:20:18-03:00", "utc": "2011-08-22T04:20:18Z", "ms": 1313986817934.2163 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:56 on Sun 21 Aug to 07:45 on Mon 22 Aug.", "fact": "2011-08-21T08:55:41Z → 2011-08-22T10:45:13Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:33–01:21 on the 20th, 00:32–01:20 on the 21st.", "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 20th and 48 of 48 on the 21st.", "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 16508 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Buenos Aires, 2011: Sunday 21 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": "2011-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Janmāṣṭamī 2011 falls on Sunday 21 August. Aṣṭamī runs from 05:56 on Sun 21 Aug to 07:45 on Mon 22 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-08-25", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5769, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-08-24T09:22:42-03:00", "utc": "2011-08-24T12:22:42Z", "ms": 1314188561993.3174 }, "end": { "local": "2011-08-25T08:58:14-03:00", "utc": "2011-08-25T11:58:14Z", "ms": 1314273493777.4517 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-24T09:22:42-03:00", "utc": "2011-08-24T12:22:42Z", "ms": 1314188561993.3174 }, "end": { "local": "2011-08-25T08:58:14-03:00", "utc": "2011-08-25T11:58:14Z", "ms": 1314273493777.4517 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-08-24", "window": { "start": { "local": "2011-08-24T07:23:20-03:00", "utc": "2011-08-24T10:23:20Z", "ms": 1314181399897.821 }, "end": { "local": "2011-08-24T07:23:20-03:00", "utc": "2011-08-24T10:23:20Z", "ms": 1314181399897.821 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-08-25", "window": { "start": { "local": "2011-08-25T07:22:05-03:00", "utc": "2011-08-25T10:22:05Z", "ms": 1314267724648.2314 }, "end": { "local": "2011-08-25T07:22:05-03:00", "utc": "2011-08-25T10:22:05Z", "ms": 1314267724648.2314 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:23 on Wed 24 Aug to 08:58 on Thu 25 Aug.", "fact": "2011-08-24T12:22:42Z → 2011-08-25T11:58:14Z" }, { "step": "kaala", "text": "Sunrise is at 07:23 on the 24th and 07:22 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5769 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Buenos Aires, 2011: Thursday 25 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": "2011-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ajā Ekādaśī 2011 falls on Thursday 25 August. Ekādaśī runs from 09:23 on Wed 24 Aug to 08:58 on Thu 25 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-08-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-08-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34340, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-08-26T07:44:14-03:00", "utc": "2011-08-26T10:44:14Z", "ms": 1314355454376.1267 }, "end": { "local": "2011-08-27T05:45:16-03:00", "utc": "2011-08-27T08:45:16Z", "ms": 1314434715712.7036 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-26T07:44:14-03:00", "utc": "2011-08-26T10:44:14Z", "ms": 1314355454376.1267 }, "end": { "local": "2011-08-27T05:45:16-03:00", "utc": "2011-08-27T08:45:16Z", "ms": 1314434715712.7036 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-08-25", "window": { "start": { "local": "2011-08-25T18:29:40-03:00", "utc": "2011-08-25T21:29:40Z", "ms": 1314307779714.0137 }, "end": { "local": "2011-08-25T20:12:29-03:00", "utc": "2011-08-25T23:12:29Z", "ms": 1314313948907.9192 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2011-08-26", "window": { "start": { "local": "2011-08-26T18:30:23-03:00", "utc": "2011-08-26T21:30:23Z", "ms": 1314394222551.3535 }, "end": { "local": "2011-08-26T20:12:56-03:00", "utc": "2011-08-26T23:12:56Z", "ms": 1314400375809.0503 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:44 on Fri 26 Aug to 05:45 on Sat 27 Aug.", "fact": "2011-08-26T10:44:14Z → 2011-08-27T08:45:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–20:12 on the 25th, 18:30–20:13 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 25th and 103 of 103 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 34340 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2011: Friday 26 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": "2011-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2011 falls on Friday 26 August. Trayodaśī runs from 07:44 on Fri 26 Aug to 05:45 on Sat 27 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-08-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24923, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-08-27T05:45:16-03:00", "utc": "2011-08-27T08:45:16Z", "ms": 1314434715712.7036 }, "end": { "local": "2011-08-28T03:08:45-03:00", "utc": "2011-08-28T06:08:45Z", "ms": 1314511725474.885 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-27T05:45:16-03:00", "utc": "2011-08-27T08:45:16Z", "ms": 1314434715712.7036 }, "end": { "local": "2011-08-28T03:08:45-03:00", "utc": "2011-08-28T06:08:45Z", "ms": 1314511725474.885 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-08-26", "window": { "start": { "local": "2011-08-26T18:30:23-03:00", "utc": "2011-08-26T21:30:23Z", "ms": 1314394222551.3535 }, "end": { "local": "2011-08-26T20:12:56-03:00", "utc": "2011-08-26T23:12:56Z", "ms": 1314400375809.0503 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2011-08-27", "window": { "start": { "local": "2011-08-27T18:31:05-03:00", "utc": "2011-08-27T21:31:05Z", "ms": 1314480665325.2305 }, "end": { "local": "2011-08-27T20:13:23-03:00", "utc": "2011-08-27T23:13:23Z", "ms": 1314486802564.632 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:45 on Sat 27 Aug to 03:09 on Sun 28 Aug.", "fact": "2011-08-27T08:45:16Z → 2011-08-28T06:08:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–20:13 on the 26th, 18:31–20:13 on the 27th.", "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 103 minutes on the 26th and 102 of 102 on the 27th.", "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 24923 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Buenos Aires, 2011: Saturday 27 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": "2011-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Aghora Caturdaśī 2011 falls on Saturday 27 August. Caturdaśī runs from 05:45 on Sat 27 Aug to 03:09 on Sun 28 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/shivaratri?on=2011-08-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6606, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-08-27T05:45:16-03:00", "utc": "2011-08-27T08:45:16Z", "ms": 1314434715712.7036 }, "end": { "local": "2011-08-28T03:08:45-03:00", "utc": "2011-08-28T06:08:45Z", "ms": 1314511725474.885 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-27T05:45:16-03:00", "utc": "2011-08-27T08:45:16Z", "ms": 1314434715712.7036 }, "end": { "local": "2011-08-28T03:08:45-03:00", "utc": "2011-08-28T06:08:45Z", "ms": 1314511725474.885 } }, "kaala": "nishita", "days": [ { "local_date": "2011-08-26", "window": { "start": { "local": "2011-08-27T00:30:57-03:00", "utc": "2011-08-27T03:30:57Z", "ms": 1314415857267.7166 }, "end": { "local": "2011-08-27T01:18:57-03:00", "utc": "2011-08-27T04:18:57Z", "ms": 1314418737267.7166 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-08-27", "window": { "start": { "local": "2011-08-28T00:30:40-03:00", "utc": "2011-08-28T03:30:40Z", "ms": 1314502239972.9866 }, "end": { "local": "2011-08-28T01:18:40-03:00", "utc": "2011-08-28T04:18:40Z", "ms": 1314505119972.9866 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:45 on Sat 27 Aug to 03:09 on Sun 28 Aug.", "fact": "2011-08-27T08:45:16Z → 2011-08-28T06:08:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:31–01:19 on the 26th, 00:31–01:19 on the 27th.", "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 26th and 48 of 48 on the 27th.", "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 6606 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2011: Saturday 27 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": "2011-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2011 falls on Saturday 27 August. Caturdaśī runs from 05:45 on Sat 27 Aug to 03:09 on Sun 28 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/shivaratri?on=2011-08-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26576, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2011-08-29T00:04:06-03:00", "utc": "2011-08-29T03:04:06Z", "ms": 1314587045722.4255 }, "end": { "local": "2011-08-29T20:41:39-03:00", "utc": "2011-08-29T23:41:39Z", "ms": 1314661299447.6702 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-29T00:04:06-03:00", "utc": "2011-08-29T03:04:06Z", "ms": 1314587045722.4255 }, "end": { "local": "2011-08-29T20:41:39-03:00", "utc": "2011-08-29T23:41:39Z", "ms": 1314661299447.6702 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-08-28", "window": { "start": { "local": "2011-08-28T12:31:01-03:00", "utc": "2011-08-28T15:31:01Z", "ms": 1314545461326.9731 }, "end": { "local": "2011-08-28T13:19:01-03:00", "utc": "2011-08-28T16:19:01Z", "ms": 1314548341326.9731 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-08-29", "window": { "start": { "local": "2011-08-29T12:30:44-03:00", "utc": "2011-08-29T15:30:44Z", "ms": 1314631843637.812 }, "end": { "local": "2011-08-29T13:18:44-03:00", "utc": "2011-08-29T16:18:44Z", "ms": 1314634723637.812 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 00:04 on Mon 29 Aug to 20:42 on Mon 29 Aug.", "fact": "2011-08-29T03:04:06Z → 2011-08-29T23:41:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 28th, 12:31–13:19 on the 29th.", "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 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: purvaviddha → only-day · margin 26576 s" }, { "step": "ruling", "text": "Rudra Vrata, Buenos Aires, 2011: Monday 29 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": "2011-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rudra Vrata 2011 falls on Monday 29 August. Pratipadā runs from 00:04 on Mon 29 Aug to 20:42 on Mon 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1665, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2011-08-30T17:12:07-03:00", "utc": "2011-08-30T20:12:07Z", "ms": 1314735127262.74 }, "end": { "local": "2011-08-31T13:45:52-03:00", "utc": "2011-08-31T16:45:52Z", "ms": 1314809151992.4731 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-30T17:12:07-03:00", "utc": "2011-08-30T20:12:07Z", "ms": 1314735127262.74 }, "end": { "local": "2011-08-31T13:45:52-03:00", "utc": "2011-08-31T16:45:52Z", "ms": 1314809151992.4731 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-08-30", "window": { "start": { "local": "2011-08-30T12:30:26-03:00", "utc": "2011-08-30T15:30:26Z", "ms": 1314718225598.178 }, "end": { "local": "2011-08-30T13:18:26-03:00", "utc": "2011-08-30T16:18:26Z", "ms": 1314721105598.178 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-08-31", "window": { "start": { "local": "2011-08-31T12:30:07-03:00", "utc": "2011-08-31T15:30:07Z", "ms": 1314804607219.4858 }, "end": { "local": "2011-08-31T13:18:07-03:00", "utc": "2011-08-31T16:18:07Z", "ms": 1314807487219.4858 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:12 on Tue 30 Aug to 13:46 on Wed 31 Aug.", "fact": "2011-08-30T20:12:07Z → 2011-08-31T16:45:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 30th, 12:30–13:18 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 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1665 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Buenos Aires, 2011: Wednesday 31 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": "2011-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-31", "confidence": "determinate" } ], "quote": "In Buenos Aires, Haritālikā Vrata (Hartalika Teej) 2011 falls on Wednesday 31 August. Tṛtīyā runs from 17:12 on Tue 30 Aug to 13:46 on Wed 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1665, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-08-31T13:45:52-03:00", "utc": "2011-08-31T16:45:52Z", "ms": 1314809151992.4731 }, "end": { "local": "2011-09-01T10:32:28-03:00", "utc": "2011-09-01T13:32:28Z", "ms": 1314883947661.0762 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-08-31T13:45:52-03:00", "utc": "2011-08-31T16:45:52Z", "ms": 1314809151992.4731 }, "end": { "local": "2011-09-01T10:32:28-03:00", "utc": "2011-09-01T13:32:28Z", "ms": 1314883947661.0762 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-08-31", "window": { "start": { "local": "2011-08-31T12:30:07-03:00", "utc": "2011-08-31T15:30:07Z", "ms": 1314804607219.4858 }, "end": { "local": "2011-08-31T13:18:07-03:00", "utc": "2011-08-31T16:18:07Z", "ms": 1314807487219.4858 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-09-01", "window": { "start": { "local": "2011-09-01T12:29:49-03:00", "utc": "2011-09-01T15:29:49Z", "ms": 1314890988514.338 }, "end": { "local": "2011-09-01T13:17:49-03:00", "utc": "2011-09-01T16:17:49Z", "ms": 1314893868514.338 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:46 on Wed 31 Aug to 10:32 on Thu 1 Sep.", "fact": "2011-08-31T16:45:52Z → 2011-09-01T13:32:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 31st, 12:30–13:18 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 0 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": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 1665 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Buenos Aires, 2011: Thursday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-08-31", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gaṇeśa Caturthī 2011 falls on Thursday 1 September. Caturthī runs from 13:46 on Wed 31 Aug to 10:32 on Thu 1 Sep, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7041, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2011-09-01T10:32:28-03:00", "utc": "2011-09-01T13:32:28Z", "ms": 1314883947661.0762 }, "end": { "local": "2011-09-02T07:40:10-03:00", "utc": "2011-09-02T10:40:10Z", "ms": 1314960010350.1895 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-09-01T10:32:28-03:00", "utc": "2011-09-01T13:32:28Z", "ms": 1314883947661.0762 }, "end": { "local": "2011-09-02T07:40:10-03:00", "utc": "2011-09-02T10:40:10Z", "ms": 1314960010350.1895 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-09-01", "window": { "start": { "local": "2011-09-01T12:29:49-03:00", "utc": "2011-09-01T15:29:49Z", "ms": 1314890988514.338 }, "end": { "local": "2011-09-01T13:17:49-03:00", "utc": "2011-09-01T16:17:49Z", "ms": 1314893868514.338 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-09-02", "window": { "start": { "local": "2011-09-02T12:29:29-03:00", "utc": "2011-09-02T15:29:29Z", "ms": 1314977369496.0317 }, "end": { "local": "2011-09-02T13:17:29-03:00", "utc": "2011-09-02T16:17:29Z", "ms": 1314980249496.0317 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:32 on Thu 1 Sep to 07:40 on Fri 2 Sep.", "fact": "2011-09-01T13:32:28Z → 2011-09-02T10:40:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 1st, 12:29–13:17 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 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: disputed → only-day · margin 7041 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Buenos Aires, 2011: Thursday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ṛṣi Pañcamī 2011 falls on Thursday 1 September. Pañcamī runs from 10:32 on Thu 1 Sep to 07:40 on Fri 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17359, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2011-09-02T07:40:10-03:00", "utc": "2011-09-02T10:40:10Z", "ms": 1314960010350.1895 }, "end": { "local": "2011-09-03T05:15:31-03:00", "utc": "2011-09-03T08:15:31Z", "ms": 1315037730930.0183 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-09-02T07:40:10-03:00", "utc": "2011-09-02T10:40:10Z", "ms": 1314960010350.1895 }, "end": { "local": "2011-09-03T05:15:31-03:00", "utc": "2011-09-03T08:15:31Z", "ms": 1315037730930.0183 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-09-02", "window": { "start": { "local": "2011-09-02T12:29:29-03:00", "utc": "2011-09-02T15:29:29Z", "ms": 1314977369496.0317 }, "end": { "local": "2011-09-02T13:17:29-03:00", "utc": "2011-09-02T16:17:29Z", "ms": 1314980249496.0317 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-09-03", "window": { "start": { "local": "2011-09-03T12:29:10-03:00", "utc": "2011-09-03T15:29:10Z", "ms": 1315063750179.247 }, "end": { "local": "2011-09-03T13:17:10-03:00", "utc": "2011-09-03T16:17:10Z", "ms": 1315066630179.247 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:40 on Fri 2 Sep to 05:16 on Sat 3 Sep.", "fact": "2011-09-02T10:40:10Z → 2011-09-03T08:15:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 2nd, 12:29–13:17 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17359 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Buenos Aires, 2011: Friday 2 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": "2011-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Sūrya Ṣaṣṭhī (Bhādrapada) 2011 falls on Friday 2 September. Ṣaṣṭhī runs from 07:40 on Fri 2 Sep to 05:16 on Sat 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26019, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2011-09-03T05:15:31-03:00", "utc": "2011-09-03T08:15:31Z", "ms": 1315037730930.0183 }, "end": { "local": "2011-09-04T03:22:53-03:00", "utc": "2011-09-04T06:22:53Z", "ms": 1315117372922.4724 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-09-03T05:15:31-03:00", "utc": "2011-09-03T08:15:31Z", "ms": 1315037730930.0183 }, "end": { "local": "2011-09-04T03:22:53-03:00", "utc": "2011-09-04T06:22:53Z", "ms": 1315117372922.4724 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-09-03", "window": { "start": { "local": "2011-09-03T12:29:10-03:00", "utc": "2011-09-03T15:29:10Z", "ms": 1315063750179.247 }, "end": { "local": "2011-09-03T13:17:10-03:00", "utc": "2011-09-03T16:17:10Z", "ms": 1315066630179.247 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-09-04", "window": { "start": { "local": "2011-09-04T12:28:51-03:00", "utc": "2011-09-04T15:28:51Z", "ms": 1315150130580.2466 }, "end": { "local": "2011-09-04T13:16:51-03:00", "utc": "2011-09-04T16:16:51Z", "ms": 1315153010580.2466 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:16 on Sat 3 Sep to 03:23 on Sun 4 Sep.", "fact": "2011-09-03T08:15:31Z → 2011-09-04T06:22:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 3rd, 12:29–13:17 on the 4th.", "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 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: purvaviddha → only-day · margin 26019 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Buenos Aires, 2011: Saturday 3 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": "2011-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Muktābharaṇa Vrata 2011 falls on Saturday 3 September. Saptamī runs from 05:16 on Sat 3 Sep to 03:23 on Sun 4 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32758, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2011-09-04T03:22:53-03:00", "utc": "2011-09-04T06:22:53Z", "ms": 1315117372922.4724 }, "end": { "local": "2011-09-05T02:04:21-03:00", "utc": "2011-09-05T05:04:21Z", "ms": 1315199061457.4187 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-09-04T03:22:53-03:00", "utc": "2011-09-04T06:22:53Z", "ms": 1315117372922.4724 }, "end": { "local": "2011-09-05T02:04:21-03:00", "utc": "2011-09-05T05:04:21Z", "ms": 1315199061457.4187 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-09-04", "window": { "start": { "local": "2011-09-04T12:28:51-03:00", "utc": "2011-09-04T15:28:51Z", "ms": 1315150130580.2466 }, "end": { "local": "2011-09-04T13:16:51-03:00", "utc": "2011-09-04T16:16:51Z", "ms": 1315153010580.2466 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-09-05", "window": { "start": { "local": "2011-09-05T12:28:31-03:00", "utc": "2011-09-05T15:28:31Z", "ms": 1315236510716.6133 }, "end": { "local": "2011-09-05T13:16:31-03:00", "utc": "2011-09-05T16:16:31Z", "ms": 1315239390716.6133 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:23 on Sun 4 Sep to 02:04 on Mon 5 Sep.", "fact": "2011-09-04T06:22:53Z → 2011-09-05T05:04:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 4th, 12:29–13:17 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32758 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Buenos Aires, 2011: Sunday 4 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": "2011-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rādhāṣṭamī 2011 falls on Sunday 4 September. Aṣṭamī runs from 03:23 on Sun 4 Sep to 02:04 on Mon 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-09-07", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20354, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-09-07T01:07:25-03:00", "utc": "2011-09-07T04:07:25Z", "ms": 1315368444879.6343 }, "end": { "local": "2011-09-08T01:24:12-03:00", "utc": "2011-09-08T04:24:12Z", "ms": 1315455851824.0515 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-09-07T01:07:25-03:00", "utc": "2011-09-07T04:07:25Z", "ms": 1315368444879.6343 }, "end": { "local": "2011-09-08T01:24:12-03:00", "utc": "2011-09-08T04:24:12Z", "ms": 1315455851824.0515 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-09-07", "window": { "start": { "local": "2011-09-07T07:04:49-03:00", "utc": "2011-09-07T10:04:49Z", "ms": 1315389889034.9143 }, "end": { "local": "2011-09-07T07:04:49-03:00", "utc": "2011-09-07T10:04:49Z", "ms": 1315389889034.9143 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-09-08", "window": { "start": { "local": "2011-09-08T07:03:26-03:00", "utc": "2011-09-08T10:03:26Z", "ms": 1315476205859.19 }, "end": { "local": "2011-09-08T07:03:26-03:00", "utc": "2011-09-08T10:03:26Z", "ms": 1315476205859.19 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:07 on Wed 7 Sep to 01:24 on Thu 8 Sep.", "fact": "2011-09-07T04:07:25Z → 2011-09-08T04:24:12Z" }, { "step": "kaala", "text": "Sunrise is at 07:05 on the 7th and 07:03 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20354 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Buenos Aires, 2011: Wednesday 7 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": "2011-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Parivartanī Ekādaśī 2011 falls on Wednesday 7 September. Ekādaśī runs from 01:07 on Wed 7 Sep to 01:24 on Thu 8 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37209, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2011-09-08T01:24:12-03:00", "utc": "2011-09-08T04:24:12Z", "ms": 1315455851824.0515 }, "end": { "local": "2011-09-09T02:07:00-03:00", "utc": "2011-09-09T05:07:00Z", "ms": 1315544819653.7847 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-09-08T01:24:12-03:00", "utc": "2011-09-08T04:24:12Z", "ms": 1315455851824.0515 }, "end": { "local": "2011-09-09T02:07:00-03:00", "utc": "2011-09-09T05:07:00Z", "ms": 1315544819653.7847 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-09-08", "window": { "start": { "local": "2011-09-08T12:27:30-03:00", "utc": "2011-09-08T15:27:30Z", "ms": 1315495649730.0513 }, "end": { "local": "2011-09-08T13:15:30-03:00", "utc": "2011-09-08T16:15:30Z", "ms": 1315498529730.0513 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-09-09", "window": { "start": { "local": "2011-09-09T12:27:09-03:00", "utc": "2011-09-09T15:27:09Z", "ms": 1315582029004.266 }, "end": { "local": "2011-09-09T13:15:09-03:00", "utc": "2011-09-09T16:15:09Z", "ms": 1315584909004.266 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:24 on Thu 8 Sep to 02:07 on Fri 9 Sep.", "fact": "2011-09-08T04:24:12Z → 2011-09-09T05:07:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 8th, 12:27–13:15 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 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37209 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Buenos Aires, 2011: Thursday 8 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": "2011-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-08", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vāmana Jayantī 2011 falls on Thursday 8 September. Dvādaśī runs from 01:24 on Thu 8 Sep to 02:07 on Fri 9 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-09-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20906, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-09-09T02:07:00-03:00", "utc": "2011-09-09T05:07:00Z", "ms": 1315544819653.7847 }, "end": { "local": "2011-09-10T03:13:01-03:00", "utc": "2011-09-10T06:13:01Z", "ms": 1315635180538.7966 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-09-09T02:07:00-03:00", "utc": "2011-09-09T05:07:00Z", "ms": 1315544819653.7847 }, "end": { "local": "2011-09-10T03:13:01-03:00", "utc": "2011-09-10T06:13:01Z", "ms": 1315635180538.7966 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-09-08", "window": { "start": { "local": "2011-09-08T18:39:34-03:00", "utc": "2011-09-08T21:39:34Z", "ms": 1315517973600.9128 }, "end": { "local": "2011-09-08T20:18:33-03:00", "utc": "2011-09-08T23:18:33Z", "ms": 1315523913430.2695 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2011-09-09", "window": { "start": { "local": "2011-09-09T18:40:16-03:00", "utc": "2011-09-09T21:40:16Z", "ms": 1315604415687.444 }, "end": { "local": "2011-09-09T20:18:59-03:00", "utc": "2011-09-09T23:18:59Z", "ms": 1315610338722.4817 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:07 on Fri 9 Sep to 03:13 on Sat 10 Sep.", "fact": "2011-09-09T05:07:00Z → 2011-09-10T06:13:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:19 on the 8th, 18:40–20:19 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 8th and 99 of 99 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20906 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2011: Friday 9 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": "2011-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2011 falls on Friday 9 September. Trayodaśī runs from 02:07 on Fri 9 Sep to 03:13 on Sat 10 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-09-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8348, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-09-10T03:13:01-03:00", "utc": "2011-09-10T06:13:01Z", "ms": 1315635180538.7966 }, "end": { "local": "2011-09-11T04:40:07-03:00", "utc": "2011-09-11T07:40:07Z", "ms": 1315726806563.3145 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2011-09-10T03:13:01-03:00", "utc": "2011-09-10T06:13:01Z", "ms": 1315635180538.7966 }, "end": { "local": "2011-09-11T04:40:07-03:00", "utc": "2011-09-11T07:40:07Z", "ms": 1315726806563.3145 } }, "kaala": "udaya-3", "days": [ { "local_date": "2011-09-10", "window": { "start": { "local": "2011-09-10T07:00:38-03:00", "utc": "2011-09-10T10:00:38Z", "ms": 1315648838450.2263 }, "end": { "local": "2011-09-10T09:20:42-03:00", "utc": "2011-09-10T12:20:42Z", "ms": 1315657242316.4163 } }, "covered_min": 140, "window_min": 140, "qualifies": true }, { "local_date": "2011-09-11", "window": { "start": { "local": "2011-09-11T06:59:14-03:00", "utc": "2011-09-11T09:59:14Z", "ms": 1315735154276.3884 }, "end": { "local": "2011-09-11T09:19:43-03:00", "utc": "2011-09-11T12:19:43Z", "ms": 1315743583400.4084 } }, "covered_min": 0, "window_min": 140, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:13 on Sat 10 Sep to 04:40 on Sun 11 Sep.", "fact": "2011-09-10T06:13:01Z → 2011-09-11T07:40:07Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 07:01–09:21 on the 10th, 06:59–09:20 on the 11th.", "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 140 of 140 minutes on the 10th and 0 of 140 on the 11th.", "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 8348 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Buenos Aires, 2011: Saturday 10 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": "2011-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-10", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ananta Caturdaśī 2011 falls on Saturday 10 September. Caturdaśī runs from 03:13 on Sat 10 Sep to 04:40 on Sun 11 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-09-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25291, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-09-15T13:20:03-03:00", "utc": "2011-09-15T16:20:03Z", "ms": 1316103603088.1777 }, "end": { "local": "2011-09-16T15:53:07-03:00", "utc": "2011-09-16T18:53:07Z", "ms": 1316199186852.8298 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-09-15T13:20:03-03:00", "utc": "2011-09-15T16:20:03Z", "ms": 1316103603088.1777 }, "end": { "local": "2011-09-16T15:53:07-03:00", "utc": "2011-09-16T18:53:07Z", "ms": 1316199186852.8298 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-09-15", "window": { "start": { "local": "2011-09-15T21:58:59-03:00", "utc": "2011-09-16T00:58:59Z", "ms": 1316134739302.3882 }, "end": { "local": "2011-09-15T21:58:59-03:00", "utc": "2011-09-16T00:58:59Z", "ms": 1316134739302.3882 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-09-16", "window": { "start": { "local": "2011-09-16T22:54:38-03:00", "utc": "2011-09-17T01:54:38Z", "ms": 1316224478013.3367 }, "end": { "local": "2011-09-16T22:54:38-03:00", "utc": "2011-09-17T01:54:38Z", "ms": 1316224478013.3367 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:20 on Thu 15 Sep to 15:53 on Fri 16 Sep.", "fact": "2011-09-15T16:20:03Z → 2011-09-16T18:53:07Z" }, { "step": "kaala", "text": "Moonrise is at 21:59 on the 15th and 22:55 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 15th and is not 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 25291 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2011: Thursday 15 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2011 falls on Thursday 15 September. Caturthī runs from 13:20 on Thu 15 Sep to 15:53 on Fri 16 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-09-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15391, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2011-09-17T18:19:35-03:00", "utc": "2011-09-17T21:19:35Z", "ms": 1316294375148.3066 }, "end": { "local": "2011-09-18T20:27:37-03:00", "utc": "2011-09-18T23:27:37Z", "ms": 1316388457284.821 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-09-17T18:19:35-03:00", "utc": "2011-09-17T21:19:35Z", "ms": 1316294375148.3066 }, "end": { "local": "2011-09-18T20:27:37-03:00", "utc": "2011-09-18T23:27:37Z", "ms": 1316388457284.821 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-09-17", "window": { "start": { "local": "2011-09-17T23:49:58-03:00", "utc": "2011-09-18T02:49:58Z", "ms": 1316314198260.0024 }, "end": { "local": "2011-09-17T23:49:58-03:00", "utc": "2011-09-18T02:49:58Z", "ms": 1316314198260.0024 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-09-18", "window": { "start": { "local": "2011-09-19T00:44:08-03:00", "utc": "2011-09-19T03:44:08Z", "ms": 1316403848001.9656 }, "end": { "local": "2011-09-19T00:44:08-03:00", "utc": "2011-09-19T03:44:08Z", "ms": 1316403848001.9656 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 18:20 on Sat 17 Sep to 20:28 on Sun 18 Sep.", "fact": "2011-09-17T21:19:35Z → 2011-09-18T23:27:37Z" }, { "step": "kaala", "text": "Moonrise is at 23:50 on the 17th and 00:44 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 17th and is not on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15391 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Buenos Aires, 2011: Saturday 17 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": "2011-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Candra Ṣaṣṭhī 2011 falls on Saturday 17 September. Ṣaṣṭhī runs from 18:20 on Sat 17 Sep to 20:28 on Sun 18 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12246, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2011-09-19T22:04:56-03:00", "utc": "2011-09-20T01:04:56Z", "ms": 1316480695968.392 }, "end": { "local": "2011-09-20T23:00:44-03:00", "utc": "2011-09-21T02:00:44Z", "ms": 1316570444287.6187 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-09-19T22:04:56-03:00", "utc": "2011-09-20T01:04:56Z", "ms": 1316480695968.392 }, "end": { "local": "2011-09-20T23:00:44-03:00", "utc": "2011-09-21T02:00:44Z", "ms": 1316570444287.6187 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-09-19", "window": { "start": { "local": "2011-09-20T01:36:04-03:00", "utc": "2011-09-20T04:36:04Z", "ms": 1316493363880.2688 }, "end": { "local": "2011-09-20T01:36:04-03:00", "utc": "2011-09-20T04:36:04Z", "ms": 1316493363880.2688 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-09-20", "window": { "start": { "local": "2011-09-21T02:24:50-03:00", "utc": "2011-09-21T05:24:50Z", "ms": 1316582690295.2183 }, "end": { "local": "2011-09-21T02:24:50-03:00", "utc": "2011-09-21T05:24:50Z", "ms": 1316582690295.2183 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:05 on Mon 19 Sep to 23:01 on Tue 20 Sep.", "fact": "2011-09-20T01:04:56Z → 2011-09-21T02:00:44Z" }, { "step": "kaala", "text": "Moonrise is at 01:36 on the 19th and 02:25 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12246 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Buenos Aires, 2011: Monday 19 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": "2011-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahālakṣmī Vrata Samāpana 2011 falls on Monday 19 September. Aṣṭamī runs from 22:05 on Mon 19 Sep to 23:01 on Tue 20 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6103, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2011-09-19T22:04:56-03:00", "utc": "2011-09-20T01:04:56Z", "ms": 1316480695968.392 }, "end": { "local": "2011-09-20T23:00:44-03:00", "utc": "2011-09-21T02:00:44Z", "ms": 1316570444287.6187 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-09-19T22:04:56-03:00", "utc": "2011-09-20T01:04:56Z", "ms": 1316480695968.392 }, "end": { "local": "2011-09-20T23:00:44-03:00", "utc": "2011-09-21T02:00:44Z", "ms": 1316570444287.6187 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-09-19", "window": { "start": { "local": "2011-09-19T18:47:19-03:00", "utc": "2011-09-19T21:47:19Z", "ms": 1316468839379.7693 }, "end": { "local": "2011-09-19T20:23:13-03:00", "utc": "2011-09-19T23:23:13Z", "ms": 1316474592531.6807 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "2011-09-20", "window": { "start": { "local": "2011-09-20T18:48:02-03:00", "utc": "2011-09-20T21:48:02Z", "ms": 1316555282352.8745 }, "end": { "local": "2011-09-20T20:23:38-03:00", "utc": "2011-09-20T23:23:38Z", "ms": 1316561018367.443 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:05 on Mon 19 Sep to 23:01 on Tue 20 Sep.", "fact": "2011-09-20T01:04:56Z → 2011-09-21T02:00:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:23 on the 19th, 18:48–20:24 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 96 minutes on the 19th and 96 of 96 on the 20th.", "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 6103 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Buenos Aires, 2011: Tuesday 20 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Jitāṣṭamī (Jitiya) 2011 falls on Tuesday 20 September. Aṣṭamī runs from 22:05 on Mon 19 Sep to 23:01 on Tue 20 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-09-23", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30009, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-09-22T22:22:03-03:00", "utc": "2011-09-23T01:22:03Z", "ms": 1316740922784.7085 }, "end": { "local": "2011-09-23T20:45:32-03:00", "utc": "2011-09-23T23:45:32Z", "ms": 1316821532244.8406 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-09-22T22:22:03-03:00", "utc": "2011-09-23T01:22:03Z", "ms": 1316740922784.7085 }, "end": { "local": "2011-09-23T20:45:32-03:00", "utc": "2011-09-23T23:45:32Z", "ms": 1316821532244.8406 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-09-23", "window": { "start": { "local": "2011-09-23T06:42:11-03:00", "utc": "2011-09-23T09:42:11Z", "ms": 1316770931453.242 }, "end": { "local": "2011-09-23T06:42:11-03:00", "utc": "2011-09-23T09:42:11Z", "ms": 1316770931453.242 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-09-24", "window": { "start": { "local": "2011-09-24T06:40:46-03:00", "utc": "2011-09-24T09:40:46Z", "ms": 1316857246058.6052 }, "end": { "local": "2011-09-24T06:40:46-03:00", "utc": "2011-09-24T09:40:46Z", "ms": 1316857246058.6052 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:22 on Thu 22 Sep to 20:46 on Fri 23 Sep.", "fact": "2011-09-23T01:22:03Z → 2011-09-23T23:45:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 23rd and 06:41 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 30009 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Buenos Aires, 2011: Friday 23 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": "2011-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Indirā Ekādaśī 2011 falls on Friday 23 September. Ekādaśī runs from 22:22 on Thu 22 Sep to 20:46 on Fri 23 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-09-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-09-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1672, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-09-24T18:23:04-03:00", "utc": "2011-09-24T21:23:04Z", "ms": 1316899383774.9426 }, "end": { "local": "2011-09-25T15:22:37-03:00", "utc": "2011-09-25T18:22:37Z", "ms": 1316974957268.5105 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-09-24T18:23:04-03:00", "utc": "2011-09-24T21:23:04Z", "ms": 1316899383774.9426 }, "end": { "local": "2011-09-25T15:22:37-03:00", "utc": "2011-09-25T18:22:37Z", "ms": 1316974957268.5105 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-09-24", "window": { "start": { "local": "2011-09-24T18:50:56-03:00", "utc": "2011-09-24T21:50:56Z", "ms": 1316901056001.4758 }, "end": { "local": "2011-09-24T20:25:23-03:00", "utc": "2011-09-24T23:25:23Z", "ms": 1316906723304.4998 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2011-09-25", "window": { "start": { "local": "2011-09-25T18:51:40-03:00", "utc": "2011-09-25T21:51:40Z", "ms": 1316987499903.181 }, "end": { "local": "2011-09-25T20:25:50-03:00", "utc": "2011-09-25T23:25:50Z", "ms": 1316993149999.6135 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:23 on Sat 24 Sep to 15:23 on Sun 25 Sep.", "fact": "2011-09-24T21:23:04Z → 2011-09-25T18:22:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:25 on the 24th, 18:52–20:26 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 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. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1672 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2011: Saturday 24 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": "2011-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2011 falls on Saturday 24 September. Trayodaśī runs from 18:23 on Sat 24 Sep to 15:23 on Sun 25 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-09-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shivaratri?on=2011-09-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32290, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-09-25T15:22:37-03:00", "utc": "2011-09-25T18:22:37Z", "ms": 1316974957268.5105 }, "end": { "local": "2011-09-26T11:54:09-03:00", "utc": "2011-09-26T14:54:09Z", "ms": 1317048849097.6465 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-09-25T15:22:37-03:00", "utc": "2011-09-25T18:22:37Z", "ms": 1316974957268.5105 }, "end": { "local": "2011-09-26T11:54:09-03:00", "utc": "2011-09-26T14:54:09Z", "ms": 1317048849097.6465 } }, "kaala": "nishita", "days": [ { "local_date": "2011-09-25", "window": { "start": { "local": "2011-09-26T00:20:48-03:00", "utc": "2011-09-26T03:20:48Z", "ms": 1317007247764.8032 }, "end": { "local": "2011-09-26T01:08:48-03:00", "utc": "2011-09-26T04:08:48Z", "ms": 1317010127764.8032 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-09-26", "window": { "start": { "local": "2011-09-27T00:20:27-03:00", "utc": "2011-09-27T03:20:27Z", "ms": 1317093627328.9546 }, "end": { "local": "2011-09-27T01:08:27-03:00", "utc": "2011-09-27T04:08:27Z", "ms": 1317096507328.9546 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:23 on Sun 25 Sep to 11:54 on Mon 26 Sep.", "fact": "2011-09-25T18:22:37Z → 2011-09-26T14:54:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:21–01:09 on the 25th, 00:20–01:08 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 0 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 32290 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2011: Sunday 25 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": "2011-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2011 falls on Sunday 25 September. Caturdaśī runs from 15:23 on Sun 25 Sep to 11:54 on Mon 26 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/shivaratri?on=2011-09-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7468, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2011-09-26T11:54:09-03:00", "utc": "2011-09-26T14:54:09Z", "ms": 1317048849097.6465 }, "end": { "local": "2011-09-27T08:08:41-03:00", "utc": "2011-09-27T11:08:41Z", "ms": 1317121720729.9314 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-09-26T11:54:09-03:00", "utc": "2011-09-26T14:54:09Z", "ms": 1317048849097.6465 }, "end": { "local": "2011-09-27T08:08:41-03:00", "utc": "2011-09-27T11:08:41Z", "ms": 1317121720729.9314 } }, "kaala": "aparahna", "days": [ { "local_date": "2011-09-26", "window": { "start": { "local": "2011-09-26T13:58:37-03:00", "utc": "2011-09-26T16:58:37Z", "ms": 1317056316660.735 }, "end": { "local": "2011-09-26T16:25:30-03:00", "utc": "2011-09-26T19:25:30Z", "ms": 1317065130338.8384 } }, "covered_min": 147, "window_min": 147, "qualifies": true }, { "local_date": "2011-09-27", "window": { "start": { "local": "2011-09-27T13:58:29-03:00", "utc": "2011-09-27T16:58:29Z", "ms": 1317142709265.8694 }, "end": { "local": "2011-09-27T16:25:49-03:00", "utc": "2011-09-27T19:25:49Z", "ms": 1317151548807.5032 } }, "covered_min": 0, "window_min": 147, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 11:54 on Mon 26 Sep to 08:09 on Tue 27 Sep.", "fact": "2011-09-26T14:54:09Z → 2011-09-27T11:08:41Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:59–16:26 on the 26th, 13:58–16:26 on the 27th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 147 of 147 minutes on the 26th and 0 of 147 on the 27th.", "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 7468 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Buenos Aires, 2011: Monday 26 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": "2011-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahālaya Amāvāsyā 2011 falls on Monday 26 September. Amāvasyā runs from 11:54 on Mon 26 Sep to 08:09 on Tue 27 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15129, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2011-09-27T08:08:41-03:00", "utc": "2011-09-27T11:08:41Z", "ms": 1317121720729.9314 }, "end": { "local": "2011-09-28T04:17:38-03:00", "utc": "2011-09-28T07:17:38Z", "ms": 1317194257672.4277 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-09-27T08:08:41-03:00", "utc": "2011-09-27T11:08:41Z", "ms": 1317121720729.9314 }, "end": { "local": "2011-09-28T04:17:38-03:00", "utc": "2011-09-28T07:17:38Z", "ms": 1317194257672.4277 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-09-27", "window": { "start": { "local": "2011-09-27T12:20:49-03:00", "utc": "2011-09-27T15:20:49Z", "ms": 1317136849495.0522 }, "end": { "local": "2011-09-27T13:08:49-03:00", "utc": "2011-09-27T16:08:49Z", "ms": 1317139729495.0522 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-09-28", "window": { "start": { "local": "2011-09-28T12:20:29-03:00", "utc": "2011-09-28T15:20:29Z", "ms": 1317223229374.1152 }, "end": { "local": "2011-09-28T13:08:29-03:00", "utc": "2011-09-28T16:08:29Z", "ms": 1317226109374.1152 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 08:09 on Tue 27 Sep to 04:18 on Wed 28 Sep.", "fact": "2011-09-27T11:08:41Z → 2011-09-28T07:17:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 27th, 12:20–13:08 on the 28th.", "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 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 15129 s" }, { "step": "ruling", "text": "Navarātrārambha, Buenos Aires, 2011: Tuesday 27 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": "2011-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Navarātrārambha (Navratri) 2011 falls on Tuesday 27 September. Pratipadā runs from 08:09 on Tue 27 Sep to 04:18 on Wed 28 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-09-30", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17535, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-09-29T21:03:15-03:00", "utc": "2011-09-30T00:03:15Z", "ms": 1317340995233.6985 }, "end": { "local": "2011-09-30T18:00:05-03:00", "utc": "2011-09-30T21:00:05Z", "ms": 1317416404627.628 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-09-29T21:03:15-03:00", "utc": "2011-09-30T00:03:15Z", "ms": 1317340995233.6985 }, "end": { "local": "2011-09-30T18:00:05-03:00", "utc": "2011-09-30T21:00:05Z", "ms": 1317416404627.628 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-09-29", "window": { "start": { "local": "2011-09-29T12:20:09-03:00", "utc": "2011-09-29T15:20:09Z", "ms": 1317309609474.0693 }, "end": { "local": "2011-09-29T13:08:09-03:00", "utc": "2011-09-29T16:08:09Z", "ms": 1317312489474.0693 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-09-30", "window": { "start": { "local": "2011-09-30T12:19:50-03:00", "utc": "2011-09-30T15:19:50Z", "ms": 1317395989810.5068 }, "end": { "local": "2011-09-30T13:07:50-03:00", "utc": "2011-09-30T16:07:50Z", "ms": 1317398869810.5068 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:03 on Thu 29 Sep to 18:00 on Fri 30 Sep.", "fact": "2011-09-30T00:03:15Z → 2011-09-30T21:00:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 29th, 12:20–13:08 on the 30th.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17535 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2011: Friday 30 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": "2011-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-09-30", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2011 falls on Friday 30 September. Caturthī runs from 21:03 on Thu 29 Sep to 18:00 on Fri 30 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-09-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18887, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2011-10-02T13:40:30-03:00", "utc": "2011-10-02T16:40:30Z", "ms": 1317573630302.7698 }, "end": { "local": "2011-10-03T12:32:50-03:00", "utc": "2011-10-03T15:32:50Z", "ms": 1317655970483.448 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-10-02T13:40:30-03:00", "utc": "2011-10-02T16:40:30Z", "ms": 1317573630302.7698 }, "end": { "local": "2011-10-03T12:32:50-03:00", "utc": "2011-10-03T15:32:50Z", "ms": 1317655970483.448 } }, "kaala": "udaya-1", "days": [ { "local_date": "2011-10-02", "window": { "start": { "local": "2011-10-02T06:29:29-03:00", "utc": "2011-10-02T09:29:29Z", "ms": 1317547769023.2249 }, "end": { "local": "2011-10-02T07:19:19-03:00", "utc": "2011-10-02T10:19:19Z", "ms": 1317550758654.8162 } }, "covered_min": 0, "window_min": 50, "qualifies": false }, { "local_date": "2011-10-03", "window": { "start": { "local": "2011-10-03T06:28:06-03:00", "utc": "2011-10-03T09:28:06Z", "ms": 1317634085544.799 }, "end": { "local": "2011-10-03T07:18:04-03:00", "utc": "2011-10-03T10:18:04Z", "ms": 1317637083793.408 } }, "covered_min": 50, "window_min": 50, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:41 on Sun 2 Oct to 12:33 on Mon 3 Oct.", "fact": "2011-10-02T16:40:30Z → 2011-10-03T15:32:50Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:29–07:19 on the 2nd, 06:28–07:18 on the 3rd.", "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 50 minutes on the 2nd and 50 of 50 on the 3rd.", "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 18887 s" }, { "step": "ruling", "text": "Durgā Saptamī, Buenos Aires, 2011: Monday 3 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": "2011-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Durgā Saptamī 2011 falls on Monday 3 October. Saptamī runs from 13:41 on Sun 2 Oct to 12:33 on Mon 3 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 644, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2011-10-03T12:32:50-03:00", "utc": "2011-10-03T15:32:50Z", "ms": 1317655970483.448 }, "end": { "local": "2011-10-04T12:07:50-03:00", "utc": "2011-10-04T15:07:50Z", "ms": 1317740869858.274 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-10-03T12:32:50-03:00", "utc": "2011-10-03T15:32:50Z", "ms": 1317655970483.448 }, "end": { "local": "2011-10-04T12:07:50-03:00", "utc": "2011-10-04T15:07:50Z", "ms": 1317740869858.274 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-10-03", "window": { "start": { "local": "2011-10-03T12:18:52-03:00", "utc": "2011-10-03T15:18:52Z", "ms": 1317655132409.3652 }, "end": { "local": "2011-10-03T13:06:52-03:00", "utc": "2011-10-03T16:06:52Z", "ms": 1317658012409.3652 } }, "covered_min": 34, "window_min": 48, "qualifies": true }, { "local_date": "2011-10-04", "window": { "start": { "local": "2011-10-04T12:18:34-03:00", "utc": "2011-10-04T15:18:34Z", "ms": 1317741513867.3328 }, "end": { "local": "2011-10-04T13:06:34-03:00", "utc": "2011-10-04T16:06:34Z", "ms": 1317744393867.3328 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:33 on Mon 3 Oct to 12:08 on Tue 4 Oct.", "fact": "2011-10-03T15:32:50Z → 2011-10-04T15:07:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 3rd, 12:19–13:07 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 34 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 644 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Buenos Aires, 2011: Monday 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": "2011-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahāṣṭamī (Durga Ashtami) 2011 falls on Monday 3 October. Aṣṭamī runs from 12:33 on Mon 3 Oct to 12:08 on Tue 4 Oct and covers 34 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-04", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 286, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2011-10-04T12:07:50-03:00", "utc": "2011-10-04T15:07:50Z", "ms": 1317740869858.274 }, "end": { "local": "2011-10-05T12:23:01-03:00", "utc": "2011-10-05T15:23:01Z", "ms": 1317828181306.2769 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-10-04T12:07:50-03:00", "utc": "2011-10-04T15:07:50Z", "ms": 1317740869858.274 }, "end": { "local": "2011-10-05T12:23:01-03:00", "utc": "2011-10-05T15:23:01Z", "ms": 1317828181306.2769 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-10-04", "window": { "start": { "local": "2011-10-04T12:18:34-03:00", "utc": "2011-10-04T15:18:34Z", "ms": 1317741513867.3328 }, "end": { "local": "2011-10-04T13:06:34-03:00", "utc": "2011-10-04T16:06:34Z", "ms": 1317744393867.3328 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-10-05", "window": { "start": { "local": "2011-10-05T12:18:16-03:00", "utc": "2011-10-05T15:18:16Z", "ms": 1317827895654.519 }, "end": { "local": "2011-10-05T13:06:16-03:00", "utc": "2011-10-05T16:06:16Z", "ms": 1317830775654.519 } }, "covered_min": 5, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 12:08 on Tue 4 Oct to 12:23 on Wed 5 Oct.", "fact": "2011-10-04T15:07:50Z → 2011-10-05T15:23:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 4th, 12:18–13:06 on the 5th.", "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 4th and 5 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 286 s < 300 s" }, { "step": "ruling", "text": "Mahānavamī, Buenos Aires, 2011: Tuesday 4 October.", "fact": "confidence: boundary (margin)" } ], "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": "2011-10-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahānavamī 2011 falls on Tuesday 4 October. Navamī runs from 12:08 on Tue 4 Oct to 12:23 on Wed 5 Oct and covers all of madhyāhna that midday. It also reaches the next midday for 5 minutes; by the rule the first midday is taken. It is 4 min 46 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3387, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2011-10-05T12:23:01-03:00", "utc": "2011-10-05T15:23:01Z", "ms": 1317828181306.2769 }, "end": { "local": "2011-10-06T13:13:52-03:00", "utc": "2011-10-06T16:13:52Z", "ms": 1317917632304.261 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2011-10-05T19:55:39-03:00", "utc": "2011-10-05T22:55:39Z", "ms": 1317855338664.2048 }, "end": { "local": "2011-10-06T13:13:52-03:00", "utc": "2011-10-06T16:13:52Z", "ms": 1317917632304.261 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2011-10-05T19:55:39-03:00", "utc": "2011-10-05T22:55:39Z", "ms": 1317855338664.2048 }, "end": { "local": "2011-10-06T21:31:53-03:00", "utc": "2011-10-07T00:31:53Z", "ms": 1317947513033.4229 } } }, "kaala": "daytime", "days": [ { "local_date": "2011-10-05", "window": { "start": { "local": "2011-10-05T06:25:20-03:00", "utc": "2011-10-05T09:25:20Z", "ms": 1317806719659.2659 }, "end": { "local": "2011-10-05T18:59:12-03:00", "utc": "2011-10-05T21:59:12Z", "ms": 1317851951649.7722 } }, "covered_min": 0, "window_min": 754, "qualifies": false }, { "local_date": "2011-10-06", "window": { "start": { "local": "2011-10-06T06:23:57-03:00", "utc": "2011-10-06T09:23:57Z", "ms": 1317893037312.3252 }, "end": { "local": "2011-10-06T18:59:58-03:00", "utc": "2011-10-06T21:59:58Z", "ms": 1317938398271.6235 } }, "covered_min": 410, "window_min": 756, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 12:23 on Wed 5 Oct to 13:14 on Thu 6 Oct, and Śravaṇa from 19:56 on Wed 5 Oct to 21:32 on Thu 6 Oct. They are together from 19:56 on Wed 5 Oct to 13:14 on Thu 6 Oct.", "fact": "2011-10-05T22:55:39Z → 2011-10-06T16:13:52Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:25–18:59 on the 5th, 06:24–19:00 on the 6th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 754 minutes on the 5th and 410 of 756 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3387 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Buenos Aires, 2011: Thursday 6 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vijayā Daśamī (Dussehra) 2011 falls on Thursday 6 October. Daśamī runs from 12:23 on Wed 5 Oct to 13:14 on Thu 6 Oct and is with Śravaṇa in the day time that day, for 410 minutes.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-10-07", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24595, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-10-06T13:13:52-03:00", "utc": "2011-10-06T16:13:52Z", "ms": 1317917632304.261 }, "end": { "local": "2011-10-07T14:34:39-03:00", "utc": "2011-10-07T17:34:39Z", "ms": 1318008878573.4924 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-10-06T13:13:52-03:00", "utc": "2011-10-06T16:13:52Z", "ms": 1317917632304.261 }, "end": { "local": "2011-10-07T14:34:39-03:00", "utc": "2011-10-07T17:34:39Z", "ms": 1318008878573.4924 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-10-06", "window": { "start": { "local": "2011-10-06T06:23:57-03:00", "utc": "2011-10-06T09:23:57Z", "ms": 1317893037312.3252 }, "end": { "local": "2011-10-06T06:23:57-03:00", "utc": "2011-10-06T09:23:57Z", "ms": 1317893037312.3252 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-10-07", "window": { "start": { "local": "2011-10-07T06:22:35-03:00", "utc": "2011-10-07T09:22:35Z", "ms": 1317979355403.601 }, "end": { "local": "2011-10-07T06:22:35-03:00", "utc": "2011-10-07T09:22:35Z", "ms": 1317979355403.601 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:14 on Thu 6 Oct to 14:35 on Fri 7 Oct.", "fact": "2011-10-06T16:13:52Z → 2011-10-07T17:34:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 6th and 06:23 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24595 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Buenos Aires, 2011: Friday 7 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": "2011-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Pāśāṅkuśā Ekādaśī 2011 falls on Friday 7 October. Ekādaśī runs from 13:14 on Thu 6 Oct to 14:35 on Fri 7 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-10-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-10-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2390, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-10-08T16:19:21-03:00", "utc": "2011-10-08T19:19:21Z", "ms": 1318101561319.079 }, "end": { "local": "2011-10-09T18:22:30-03:00", "utc": "2011-10-09T21:22:30Z", "ms": 1318195350491.5781 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2011-10-08T16:19:21-03:00", "utc": "2011-10-08T19:19:21Z", "ms": 1318101561319.079 }, "end": { "local": "2011-10-09T18:22:30-03:00", "utc": "2011-10-09T21:22:30Z", "ms": 1318195350491.5781 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-10-08", "window": { "start": { "local": "2011-10-08T19:01:32-03:00", "utc": "2011-10-08T22:01:32Z", "ms": 1318111292443.354 }, "end": { "local": "2011-10-08T20:31:59-03:00", "utc": "2011-10-08T23:31:59Z", "ms": 1318116719187.7556 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "2011-10-09", "window": { "start": { "local": "2011-10-09T19:02:20-03:00", "utc": "2011-10-09T22:02:20Z", "ms": 1318197740017.6472 }, "end": { "local": "2011-10-09T20:32:30-03:00", "utc": "2011-10-09T23:32:30Z", "ms": 1318203149698.1628 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:19 on Sat 8 Oct to 18:23 on Sun 9 Oct.", "fact": "2011-10-08T19:19:21Z → 2011-10-09T21:22:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:02–20:32 on the 8th, 19:02–20:32 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 8th and 0 of 90 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2390 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2011: Saturday 8 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": "2011-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-08", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2011 falls on Saturday 8 October. Trayodaśī runs from 16:19 on Sat 8 Oct to 18:23 on Sun 9 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-10-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31891, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-10-15T06:35:29-03:00", "utc": "2011-10-15T09:35:29Z", "ms": 1318671329001.6226 }, "end": { "local": "2011-10-16T08:47:36-03:00", "utc": "2011-10-16T11:47:36Z", "ms": 1318765656350.4275 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-15T06:35:29-03:00", "utc": "2011-10-15T09:35:29Z", "ms": 1318671329001.6226 }, "end": { "local": "2011-10-16T08:47:36-03:00", "utc": "2011-10-16T11:47:36Z", "ms": 1318765656350.4275 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-10-14", "window": { "start": { "local": "2011-10-14T21:43:58-03:00", "utc": "2011-10-15T00:43:58Z", "ms": 1318639437750.4097 }, "end": { "local": "2011-10-14T21:43:58-03:00", "utc": "2011-10-15T00:43:58Z", "ms": 1318639437750.4097 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-10-15", "window": { "start": { "local": "2011-10-15T22:38:17-03:00", "utc": "2011-10-16T01:38:17Z", "ms": 1318729096564.014 }, "end": { "local": "2011-10-15T22:38:17-03:00", "utc": "2011-10-16T01:38:17Z", "ms": 1318729096564.014 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:35 on Sat 15 Oct to 08:48 on Sun 16 Oct.", "fact": "2011-10-15T09:35:29Z → 2011-10-16T11:47:36Z" }, { "step": "kaala", "text": "Moonrise is at 21:44 on the 14th and 22:38 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is on the 15th.", "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 31891 s" }, { "step": "ruling", "text": "Karaka Caturthī, Buenos Aires, 2011: Saturday 15 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": "2011-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Karaka Caturthī (Karwa Chauth) 2011 falls on Saturday 15 October. Caturthī runs from 06:35 on Sat 15 Oct to 08:48 on Sun 16 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-10-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31891, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-10-15T06:35:29-03:00", "utc": "2011-10-15T09:35:29Z", "ms": 1318671329001.6226 }, "end": { "local": "2011-10-16T08:47:36-03:00", "utc": "2011-10-16T11:47:36Z", "ms": 1318765656350.4275 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-15T06:35:29-03:00", "utc": "2011-10-15T09:35:29Z", "ms": 1318671329001.6226 }, "end": { "local": "2011-10-16T08:47:36-03:00", "utc": "2011-10-16T11:47:36Z", "ms": 1318765656350.4275 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-10-14", "window": { "start": { "local": "2011-10-14T21:43:58-03:00", "utc": "2011-10-15T00:43:58Z", "ms": 1318639437750.4097 }, "end": { "local": "2011-10-14T21:43:58-03:00", "utc": "2011-10-15T00:43:58Z", "ms": 1318639437750.4097 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-10-15", "window": { "start": { "local": "2011-10-15T22:38:17-03:00", "utc": "2011-10-16T01:38:17Z", "ms": 1318729096564.014 }, "end": { "local": "2011-10-15T22:38:17-03:00", "utc": "2011-10-16T01:38:17Z", "ms": 1318729096564.014 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:35 on Sat 15 Oct to 08:48 on Sun 16 Oct.", "fact": "2011-10-15T09:35:29Z → 2011-10-16T11:47:36Z" }, { "step": "kaala", "text": "Moonrise is at 21:44 on the 14th and 22:38 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is 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 31891 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2011: Saturday 15 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": "2011-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2011 falls on Saturday 15 October. Caturthī runs from 06:35 on Sat 15 Oct to 08:48 on Sun 16 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-10-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37987, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2011-10-19T12:29:28-03:00", "utc": "2011-10-19T15:29:28Z", "ms": 1319038168119.8406 }, "end": { "local": "2011-10-20T12:19:18-03:00", "utc": "2011-10-20T15:19:18Z", "ms": 1319123958368.2888 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-19T12:29:28-03:00", "utc": "2011-10-19T15:29:28Z", "ms": 1319038168119.8406 }, "end": { "local": "2011-10-20T12:19:18-03:00", "utc": "2011-10-20T15:19:18Z", "ms": 1319123958368.2888 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-10-18", "window": { "start": { "local": "2011-10-19T01:04:38-03:00", "utc": "2011-10-19T04:04:38Z", "ms": 1318997077681.9285 }, "end": { "local": "2011-10-19T01:04:38-03:00", "utc": "2011-10-19T04:04:38Z", "ms": 1318997077681.9285 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-10-19", "window": { "start": { "local": "2011-10-20T01:46:11-03:00", "utc": "2011-10-20T04:46:11Z", "ms": 1319085971451.9092 }, "end": { "local": "2011-10-20T01:46:11-03:00", "utc": "2011-10-20T04:46:11Z", "ms": 1319085971451.9092 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:29 on Wed 19 Oct to 12:19 on Thu 20 Oct.", "fact": "2011-10-19T15:29:28Z → 2011-10-20T15:19:18Z" }, { "step": "kaala", "text": "Moonrise is at 01:05 on the 18th and 01:46 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 18th and is on the 19th.", "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 37987 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Buenos Aires, 2011: Wednesday 19 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": "2011-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ahoyī Aṣṭamī 2011 falls on Wednesday 19 October. Aṣṭamī runs from 12:29 on Wed 19 Oct to 12:19 on Thu 20 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-10-23", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3829, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-10-22T09:34:35-03:00", "utc": "2011-10-22T12:34:35Z", "ms": 1319286874733.8296 }, "end": { "local": "2011-10-23T07:06:00-03:00", "utc": "2011-10-23T10:06:00Z", "ms": 1319364359738.9517 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-22T09:34:35-03:00", "utc": "2011-10-22T12:34:35Z", "ms": 1319286874733.8296 }, "end": { "local": "2011-10-23T07:06:00-03:00", "utc": "2011-10-23T10:06:00Z", "ms": 1319364359738.9517 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-10-22", "window": { "start": { "local": "2011-10-22T06:03:21-03:00", "utc": "2011-10-22T09:03:21Z", "ms": 1319274201328.9412 }, "end": { "local": "2011-10-22T06:03:21-03:00", "utc": "2011-10-22T09:03:21Z", "ms": 1319274201328.9412 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-10-23", "window": { "start": { "local": "2011-10-23T06:02:11-03:00", "utc": "2011-10-23T09:02:11Z", "ms": 1319360530861.4087 }, "end": { "local": "2011-10-23T06:02:11-03:00", "utc": "2011-10-23T09:02:11Z", "ms": 1319360530861.4087 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:35 on Sat 22 Oct to 07:06 on Sun 23 Oct.", "fact": "2011-10-22T12:34:35Z → 2011-10-23T10:06:00Z" }, { "step": "kaala", "text": "Sunrise is at 06:03 on the 22nd and 06:02 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3829 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Buenos Aires, 2011: Sunday 23 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": "2011-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ramā Ekādaśī 2011 falls on Sunday 23 October. Ekādaśī runs from 09:35 on Sat 22 Oct to 07:06 on Sun 23 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-10-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26506, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2011-10-23T07:06:00-03:00", "utc": "2011-10-23T10:06:00Z", "ms": 1319364359738.9517 }, "end": { "local": "2011-10-24T04:02:07-03:00", "utc": "2011-10-24T07:02:07Z", "ms": 1319439727191.6013 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-23T07:06:00-03:00", "utc": "2011-10-23T10:06:00Z", "ms": 1319364359738.9517 }, "end": { "local": "2011-10-24T04:02:07-03:00", "utc": "2011-10-24T07:02:07Z", "ms": 1319439727191.6013 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-10-22", "window": { "start": { "local": "2011-10-22T19:13:13-03:00", "utc": "2011-10-22T22:13:13Z", "ms": 1319321593015.8474 }, "end": { "local": "2011-10-22T20:39:45-03:00", "utc": "2011-10-22T23:39:45Z", "ms": 1319326784728.5889 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "2011-10-23", "window": { "start": { "local": "2011-10-23T19:14:06-03:00", "utc": "2011-10-23T22:14:06Z", "ms": 1319408046106.7446 }, "end": { "local": "2011-10-23T20:40:21-03:00", "utc": "2011-10-23T23:40:21Z", "ms": 1319413221477.5496 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:06 on Sun 23 Oct to 04:02 on Mon 24 Oct.", "fact": "2011-10-23T10:06:00Z → 2011-10-24T07:02:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:40 on the 22nd, 19:14–20:40 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 22nd and 86 of 86 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26506 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Buenos Aires, 2011: Sunday 23 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": "2011-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Govatsa Dvādaśī (Vasu Baras) 2011 falls on Sunday 23 October. Dvādaśī runs from 07:06 on Sun 23 Oct to 04:02 on Mon 24 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13869, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-10-24T04:02:07-03:00", "utc": "2011-10-24T07:02:07Z", "ms": 1319439727191.6013 }, "end": { "local": "2011-10-25T00:32:08-03:00", "utc": "2011-10-25T03:32:08Z", "ms": 1319513528067.175 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-24T04:02:07-03:00", "utc": "2011-10-24T07:02:07Z", "ms": 1319439727191.6013 }, "end": { "local": "2011-10-25T00:32:08-03:00", "utc": "2011-10-25T03:32:08Z", "ms": 1319513528067.175 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-10-23", "window": { "start": { "local": "2011-10-23T19:14:06-03:00", "utc": "2011-10-23T22:14:06Z", "ms": 1319408046106.7446 }, "end": { "local": "2011-10-23T20:40:21-03:00", "utc": "2011-10-23T23:40:21Z", "ms": 1319413221477.5496 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "2011-10-24", "window": { "start": { "local": "2011-10-24T19:15:00-03:00", "utc": "2011-10-24T22:15:00Z", "ms": 1319494499605.1504 }, "end": { "local": "2011-10-24T20:40:59-03:00", "utc": "2011-10-24T23:40:59Z", "ms": 1319499658716.1462 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:02 on Mon 24 Oct to 00:32 on Tue 25 Oct.", "fact": "2011-10-24T07:02:07Z → 2011-10-25T03:32:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:14–20:40 on the 23rd, 19:15–20:41 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 23rd and 86 of 86 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 13869 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Buenos Aires, 2011: Monday 24 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": "2011-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Yama Dīpadāna 2011 falls on Monday 24 October. Trayodaśī runs from 04:02 on Mon 24 Oct to 00:32 on Tue 25 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-10-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13869, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-10-24T04:02:07-03:00", "utc": "2011-10-24T07:02:07Z", "ms": 1319439727191.6013 }, "end": { "local": "2011-10-25T00:32:08-03:00", "utc": "2011-10-25T03:32:08Z", "ms": 1319513528067.175 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-24T04:02:07-03:00", "utc": "2011-10-24T07:02:07Z", "ms": 1319439727191.6013 }, "end": { "local": "2011-10-25T00:32:08-03:00", "utc": "2011-10-25T03:32:08Z", "ms": 1319513528067.175 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-10-23", "window": { "start": { "local": "2011-10-23T19:14:06-03:00", "utc": "2011-10-23T22:14:06Z", "ms": 1319408046106.7446 }, "end": { "local": "2011-10-23T20:40:21-03:00", "utc": "2011-10-23T23:40:21Z", "ms": 1319413221477.5496 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "2011-10-24", "window": { "start": { "local": "2011-10-24T19:15:00-03:00", "utc": "2011-10-24T22:15:00Z", "ms": 1319494499605.1504 }, "end": { "local": "2011-10-24T20:40:59-03:00", "utc": "2011-10-24T23:40:59Z", "ms": 1319499658716.1462 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:02 on Mon 24 Oct to 00:32 on Tue 25 Oct.", "fact": "2011-10-24T07:02:07Z → 2011-10-25T03:32:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:14–20:40 on the 23rd, 19:15–20:41 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 23rd and 86 of 86 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 13869 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2011: Monday 24 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": "2011-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2011 falls on Monday 24 October. Trayodaśī runs from 04:02 on Mon 24 Oct to 00:32 on Tue 25 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-10-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shivaratri?on=2011-10-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1122, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-10-25T00:32:08-03:00", "utc": "2011-10-25T03:32:08Z", "ms": 1319513528067.175 }, "end": { "local": "2011-10-25T20:46:23-03:00", "utc": "2011-10-25T23:46:23Z", "ms": 1319586383193.4124 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-25T00:32:08-03:00", "utc": "2011-10-25T03:32:08Z", "ms": 1319513528067.175 }, "end": { "local": "2011-10-25T20:46:23-03:00", "utc": "2011-10-25T23:46:23Z", "ms": 1319586383193.4124 } }, "kaala": "nishita", "days": [ { "local_date": "2011-10-24", "window": { "start": { "local": "2011-10-25T00:13:26-03:00", "utc": "2011-10-25T03:13:26Z", "ms": 1319512406271.385 }, "end": { "local": "2011-10-25T01:01:26-03:00", "utc": "2011-10-25T04:01:26Z", "ms": 1319515286271.385 } }, "covered_min": 29, "window_min": 48, "qualifies": true }, { "local_date": "2011-10-25", "window": { "start": { "local": "2011-10-26T00:13:20-03:00", "utc": "2011-10-26T03:13:20Z", "ms": 1319598799521.0117 }, "end": { "local": "2011-10-26T01:01:20-03:00", "utc": "2011-10-26T04:01:20Z", "ms": 1319601679521.0117 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:32 on Tue 25 Oct to 20:46 on Tue 25 Oct.", "fact": "2011-10-25T03:32:08Z → 2011-10-25T23:46:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 24th, 00:13–01:01 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 29 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 1122 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2011: Monday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2011 falls on Monday 24 October. Caturdaśī runs from 00:32 on Tue 25 Oct to 20:46 on Tue 25 Oct and covers 29 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/shivaratri?on=2011-10-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14506, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-10-25T00:32:08-03:00", "utc": "2011-10-25T03:32:08Z", "ms": 1319513528067.175 }, "end": { "local": "2011-10-25T20:46:23-03:00", "utc": "2011-10-25T23:46:23Z", "ms": 1319586383193.4124 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-25T00:32:08-03:00", "utc": "2011-10-25T03:32:08Z", "ms": 1319513528067.175 }, "end": { "local": "2011-10-25T20:46:23-03:00", "utc": "2011-10-25T23:46:23Z", "ms": 1319586383193.4124 } }, "kaala": "arunodaya", "days": [ { "local_date": "2011-10-25", "window": { "start": { "local": "2011-10-25T04:33:54-03:00", "utc": "2011-10-25T07:33:54Z", "ms": 1319528033826.6238 }, "end": { "local": "2011-10-25T05:59:53-03:00", "utc": "2011-10-25T08:59:53Z", "ms": 1319533192937.6196 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2011-10-26", "window": { "start": { "local": "2011-10-26T04:33:03-03:00", "utc": "2011-10-26T07:33:03Z", "ms": 1319614382600.9832 }, "end": { "local": "2011-10-26T05:58:46-03:00", "utc": "2011-10-26T08:58:46Z", "ms": 1319619525539.1545 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:32 on Tue 25 Oct to 20:46 on Tue 25 Oct.", "fact": "2011-10-25T03:32:08Z → 2011-10-25T23:46:23Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:34–06:00 on the 25th, 04:33–05:59 on the 26th.", "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 86 of 86 minutes on the 25th and 0 of 86 on the 26th.", "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 14506 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Buenos Aires, 2011: Tuesday 25 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": "2011-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Naraka Caturdaśī (Choti Diwali) 2011 falls on Tuesday 25 October. Caturdaśī runs from 00:32 on Tue 25 Oct to 20:46 on Tue 25 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-25", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 287, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2011-10-25T20:46:23-03:00", "utc": "2011-10-25T23:46:23Z", "ms": 1319586383193.4124 }, "end": { "local": "2011-10-26T16:55:48-03:00", "utc": "2011-10-26T19:55:48Z", "ms": 1319658947648.8557 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-25T20:46:23-03:00", "utc": "2011-10-25T23:46:23Z", "ms": 1319586383193.4124 }, "end": { "local": "2011-10-26T16:55:48-03:00", "utc": "2011-10-26T19:55:48Z", "ms": 1319658947648.8557 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-10-25", "window": { "start": { "local": "2011-10-25T19:15:54-03:00", "utc": "2011-10-25T22:15:54Z", "ms": 1319580953502.8687 }, "end": { "local": "2011-10-25T20:41:36-03:00", "utc": "2011-10-25T23:41:36Z", "ms": 1319586096441.04 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "2011-10-26", "window": { "start": { "local": "2011-10-26T19:16:48-03:00", "utc": "2011-10-26T22:16:48Z", "ms": 1319667407789.5376 }, "end": { "local": "2011-10-26T20:42:15-03:00", "utc": "2011-10-26T23:42:15Z", "ms": 1319672534646.8862 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 20:46 on Tue 25 Oct to 16:56 on Wed 26 Oct.", "fact": "2011-10-25T23:46:23Z → 2011-10-26T19:55:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:16–20:42 on the 25th, 19:17–20:42 on the 26th.", "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 86 minutes on the 25th and 0 of 85 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 287 s < 300 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Buenos Aires, 2011: Tuesday 25 October.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "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": "2011-10-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Lakṣmī Pūjā (Diwali) 2011 falls on Tuesday 25 October. Amāvasyā runs from 20:46 on Tue 25 Oct to 16:56 on Wed 26 Oct, and reaches pradoṣa on neither day. It is 4 min 47 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12416, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2011-10-25T20:46:23-03:00", "utc": "2011-10-25T23:46:23Z", "ms": 1319586383193.4124 }, "end": { "local": "2011-10-26T16:55:48-03:00", "utc": "2011-10-26T19:55:48Z", "ms": 1319658947648.8557 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-25T20:46:23-03:00", "utc": "2011-10-25T23:46:23Z", "ms": 1319586383193.4124 }, "end": { "local": "2011-10-26T16:55:48-03:00", "utc": "2011-10-26T19:55:48Z", "ms": 1319658947648.8557 } }, "kaala": "nishita", "days": [ { "local_date": "2011-10-25", "window": { "start": { "local": "2011-10-26T00:13:20-03:00", "utc": "2011-10-26T03:13:20Z", "ms": 1319598799521.0117 }, "end": { "local": "2011-10-26T01:01:20-03:00", "utc": "2011-10-26T04:01:20Z", "ms": 1319601679521.0117 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-10-26", "window": { "start": { "local": "2011-10-27T00:13:14-03:00", "utc": "2011-10-27T03:13:14Z", "ms": 1319685193504.5952 }, "end": { "local": "2011-10-27T01:01:14-03:00", "utc": "2011-10-27T04:01:14Z", "ms": 1319688073504.5952 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 20:46 on Tue 25 Oct to 16:56 on Wed 26 Oct.", "fact": "2011-10-25T23:46:23Z → 2011-10-26T19:55:48Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 25th, 00:13–01:01 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12416 s" }, { "step": "ruling", "text": "Kālī Pūjā, Buenos Aires, 2011: Tuesday 25 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": "2011-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kālī Pūjā 2011 falls on Tuesday 25 October. Amāvasyā runs from 20:46 on Tue 25 Oct to 16:56 on Wed 26 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8460, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2011-10-26T16:55:48-03:00", "utc": "2011-10-26T19:55:48Z", "ms": 1319658947648.8557 }, "end": { "local": "2011-10-27T13:11:22-03:00", "utc": "2011-10-27T16:11:22Z", "ms": 1319731881680.5967 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-26T16:55:48-03:00", "utc": "2011-10-26T19:55:48Z", "ms": 1319658947648.8557 }, "end": { "local": "2011-10-27T13:11:22-03:00", "utc": "2011-10-27T16:11:22Z", "ms": 1319731881680.5967 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-10-26", "window": { "start": { "local": "2011-10-26T19:16:48-03:00", "utc": "2011-10-26T22:16:48Z", "ms": 1319667407789.5376 }, "end": { "local": "2011-10-26T20:42:15-03:00", "utc": "2011-10-26T23:42:15Z", "ms": 1319672534646.8862 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2011-10-27", "window": { "start": { "local": "2011-10-27T19:17:42-03:00", "utc": "2011-10-27T22:17:42Z", "ms": 1319753862452.933 }, "end": { "local": "2011-10-27T20:42:53-03:00", "utc": "2011-10-27T23:42:53Z", "ms": 1319758973326.6812 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 16:56 on Wed 26 Oct to 13:11 on Thu 27 Oct.", "fact": "2011-10-26T19:55:48Z → 2011-10-27T16:11:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:17–20:42 on the 26th, 19:18–20:43 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 85 of 85 minutes on the 26th and 0 of 85 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8460 s" }, { "step": "ruling", "text": "Bali Pūjā, Buenos Aires, 2011: Wednesday 26 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": "2011-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Bali Pūjā 2011 falls on Wednesday 26 October. Pratipadā runs from 16:56 on Wed 26 Oct to 13:11 on Thu 27 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 581, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2011-10-26T16:55:48-03:00", "utc": "2011-10-26T19:55:48Z", "ms": 1319658947648.8557 }, "end": { "local": "2011-10-27T13:11:22-03:00", "utc": "2011-10-27T16:11:22Z", "ms": 1319731881680.5967 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-26T16:55:48-03:00", "utc": "2011-10-26T19:55:48Z", "ms": 1319658947648.8557 }, "end": { "local": "2011-10-27T13:11:22-03:00", "utc": "2011-10-27T16:11:22Z", "ms": 1319731881680.5967 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-10-26", "window": { "start": { "local": "2011-10-26T12:13:47-03:00", "utc": "2011-10-26T15:13:47Z", "ms": 1319642026664.3462 }, "end": { "local": "2011-10-26T13:01:47-03:00", "utc": "2011-10-26T16:01:47Z", "ms": 1319644906664.3462 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-10-27", "window": { "start": { "local": "2011-10-27T12:13:41-03:00", "utc": "2011-10-27T15:13:41Z", "ms": 1319728420836.293 }, "end": { "local": "2011-10-27T13:01:41-03:00", "utc": "2011-10-27T16:01:41Z", "ms": 1319731300836.293 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 16:56 on Wed 26 Oct to 13:11 on Thu 27 Oct.", "fact": "2011-10-26T19:55:48Z → 2011-10-27T16:11:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 26th, 12:14–13:02 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 581 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Buenos Aires, 2011: Thursday 27 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": "2011-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Govardhana Pūjā 2011 falls on Thursday 27 October. Pratipadā runs from 16:56 on Wed 26 Oct to 13:11 on Thu 27 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10021, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2011-10-26T16:55:48-03:00", "utc": "2011-10-26T19:55:48Z", "ms": 1319658947648.8557 }, "end": { "local": "2011-10-27T13:11:22-03:00", "utc": "2011-10-27T16:11:22Z", "ms": 1319731881680.5967 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-26T16:55:48-03:00", "utc": "2011-10-26T19:55:48Z", "ms": 1319658947648.8557 }, "end": { "local": "2011-10-27T13:11:22-03:00", "utc": "2011-10-27T16:11:22Z", "ms": 1319731881680.5967 } }, "kaala": "purvahna", "days": [ { "local_date": "2011-10-26", "window": { "start": { "local": "2011-10-26T05:58:46-03:00", "utc": "2011-10-26T08:58:46Z", "ms": 1319619525539.1545 }, "end": { "local": "2011-10-26T10:24:46-03:00", "utc": "2011-10-26T13:24:46Z", "ms": 1319635486289.2822 } }, "covered_min": 0, "window_min": 266, "qualifies": false }, { "local_date": "2011-10-27", "window": { "start": { "local": "2011-10-27T05:57:39-03:00", "utc": "2011-10-27T08:57:39Z", "ms": 1319705859219.6528 }, "end": { "local": "2011-10-27T10:24:20-03:00", "utc": "2011-10-27T13:24:20Z", "ms": 1319721860297.4128 } }, "covered_min": 267, "window_min": 267, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 16:56 on Wed 26 Oct to 13:11 on Thu 27 Oct.", "fact": "2011-10-26T19:55:48Z → 2011-10-27T16:11:22Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:59–10:25 on the 26th, 05:58–10:24 on the 27th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 266 minutes on the 26th and 267 of 267 on the 27th.", "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 10021 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Buenos Aires, 2011: Thursday 27 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": "2011-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Dyūta Pratipad 2011 falls on Thursday 27 October. Pratipadā runs from 16:56 on Wed 26 Oct to 13:11 on Thu 27 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 581, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2011-10-27T13:11:22-03:00", "utc": "2011-10-27T16:11:22Z", "ms": 1319731881680.5967 }, "end": { "local": "2011-10-28T09:43:45-03:00", "utc": "2011-10-28T12:43:45Z", "ms": 1319805824871.079 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-27T13:11:22-03:00", "utc": "2011-10-27T16:11:22Z", "ms": 1319731881680.5967 }, "end": { "local": "2011-10-28T09:43:45-03:00", "utc": "2011-10-28T12:43:45Z", "ms": 1319805824871.079 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-10-27", "window": { "start": { "local": "2011-10-27T12:13:41-03:00", "utc": "2011-10-27T15:13:41Z", "ms": 1319728420836.293 }, "end": { "local": "2011-10-27T13:01:41-03:00", "utc": "2011-10-27T16:01:41Z", "ms": 1319731300836.293 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-10-28", "window": { "start": { "local": "2011-10-28T12:13:36-03:00", "utc": "2011-10-28T15:13:36Z", "ms": 1319814815742.7627 }, "end": { "local": "2011-10-28T13:01:36-03:00", "utc": "2011-10-28T16:01:36Z", "ms": 1319817695742.7627 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 13:11 on Thu 27 Oct to 09:44 on Fri 28 Oct.", "fact": "2011-10-27T16:11:22Z → 2011-10-28T12:43:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 27th, 12:14–13:02 on the 28th.", "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 27th and 0 of 48 on the 28th.", "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 581 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Buenos Aires, 2011: Friday 28 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": "2011-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Yama Dvitīyā (Bhai Dooj) 2011 falls on Friday 28 October. Dvitīyā runs from 13:11 on Thu 27 Oct to 09:44 on Fri 28 Oct, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19842, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-10-29T06:42:50-03:00", "utc": "2011-10-29T09:42:50Z", "ms": 1319881369619.6367 }, "end": { "local": "2011-10-30T04:17:11-03:00", "utc": "2011-10-30T07:17:11Z", "ms": 1319959030813.1714 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-29T06:42:50-03:00", "utc": "2011-10-29T09:42:50Z", "ms": 1319881369619.6367 }, "end": { "local": "2011-10-30T04:17:11-03:00", "utc": "2011-10-30T07:17:11Z", "ms": 1319959030813.1714 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-10-29", "window": { "start": { "local": "2011-10-29T12:13:31-03:00", "utc": "2011-10-29T15:13:31Z", "ms": 1319901211390.249 }, "end": { "local": "2011-10-29T13:01:31-03:00", "utc": "2011-10-29T16:01:31Z", "ms": 1319904091390.249 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-10-30", "window": { "start": { "local": "2011-10-30T12:13:28-03:00", "utc": "2011-10-30T15:13:28Z", "ms": 1319987607785.5996 }, "end": { "local": "2011-10-30T13:01:28-03:00", "utc": "2011-10-30T16:01:28Z", "ms": 1319990487785.5996 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:43 on Sat 29 Oct to 04:17 on Sun 30 Oct.", "fact": "2011-10-29T09:42:50Z → 2011-10-30T07:17:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 29th, 12:13–13:01 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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: paraviddha → only-day · margin 19842 s" }, { "step": "ruling", "text": "Nāga Caturthī, Buenos Aires, 2011: Saturday 29 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": "2011-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nāga Caturthī 2011 falls on Saturday 29 October. Caturthī runs from 06:43 on Sat 29 Oct to 04:17 on Sun 30 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-10-29", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19842, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-10-29T06:42:50-03:00", "utc": "2011-10-29T09:42:50Z", "ms": 1319881369619.6367 }, "end": { "local": "2011-10-30T04:17:11-03:00", "utc": "2011-10-30T07:17:11Z", "ms": 1319959030813.1714 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-29T06:42:50-03:00", "utc": "2011-10-29T09:42:50Z", "ms": 1319881369619.6367 }, "end": { "local": "2011-10-30T04:17:11-03:00", "utc": "2011-10-30T07:17:11Z", "ms": 1319959030813.1714 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-10-29", "window": { "start": { "local": "2011-10-29T12:13:31-03:00", "utc": "2011-10-29T15:13:31Z", "ms": 1319901211390.249 }, "end": { "local": "2011-10-29T13:01:31-03:00", "utc": "2011-10-29T16:01:31Z", "ms": 1319904091390.249 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-10-30", "window": { "start": { "local": "2011-10-30T12:13:28-03:00", "utc": "2011-10-30T15:13:28Z", "ms": 1319987607785.5996 }, "end": { "local": "2011-10-30T13:01:28-03:00", "utc": "2011-10-30T16:01:28Z", "ms": 1319990487785.5996 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:43 on Sat 29 Oct to 04:17 on Sun 30 Oct.", "fact": "2011-10-29T09:42:50Z → 2011-10-30T07:17:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 29th, 12:13–13:01 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19842 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2011: Saturday 29 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": "2011-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2011 falls on Saturday 29 October. Caturthī runs from 06:43 on Sat 29 Oct to 04:17 on Sun 30 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-10-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34794, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2011-10-31T02:33:31-03:00", "utc": "2011-10-31T05:33:31Z", "ms": 1320039210791.4739 }, "end": { "local": "2011-11-01T01:36:02-03:00", "utc": "2011-11-01T04:36:02Z", "ms": 1320122162390.1853 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-10-31T02:33:31-03:00", "utc": "2011-10-31T05:33:31Z", "ms": 1320039210791.4739 }, "end": { "local": "2011-11-01T01:36:02-03:00", "utc": "2011-11-01T04:36:02Z", "ms": 1320122162390.1853 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-10-31", "window": { "start": { "local": "2011-10-31T12:13:25-03:00", "utc": "2011-10-31T15:13:25Z", "ms": 1320074004936.2903 }, "end": { "local": "2011-10-31T13:01:25-03:00", "utc": "2011-10-31T16:01:25Z", "ms": 1320076884936.2903 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-11-01", "window": { "start": { "local": "2011-11-01T12:13:23-03:00", "utc": "2011-11-01T15:13:23Z", "ms": 1320160402850.434 }, "end": { "local": "2011-11-01T13:01:23-03:00", "utc": "2011-11-01T16:01:23Z", "ms": 1320163282850.434 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 02:34 on Mon 31 Oct to 01:36 on Tue 1 Nov.", "fact": "2011-10-31T05:33:31Z → 2011-11-01T04:36:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 31st, 12:13–13:01 on the 1st.", "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 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34794 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Buenos Aires, 2011: Monday 31 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": "2011-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-10-31", "confidence": "determinate" } ], "quote": "In Buenos Aires, Sūrya Ṣaṣṭhī (Chhath) 2011 falls on Monday 31 October. Ṣaṣṭhī runs from 02:34 on Mon 31 Oct to 01:36 on Tue 1 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36730, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2011-11-02T01:25:57-03:00", "utc": "2011-11-02T04:25:57Z", "ms": 1320207957406.334 }, "end": { "local": "2011-11-03T02:01:11-03:00", "utc": "2011-11-03T05:01:11Z", "ms": 1320296471404.0466 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-11-02T01:25:57-03:00", "utc": "2011-11-02T04:25:57Z", "ms": 1320207957406.334 }, "end": { "local": "2011-11-03T02:01:11-03:00", "utc": "2011-11-03T05:01:11Z", "ms": 1320296471404.0466 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-11-02", "window": { "start": { "local": "2011-11-02T12:13:22-03:00", "utc": "2011-11-02T15:13:22Z", "ms": 1320246801536.5557 }, "end": { "local": "2011-11-02T13:01:22-03:00", "utc": "2011-11-02T16:01:22Z", "ms": 1320249681536.5557 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-11-03", "window": { "start": { "local": "2011-11-03T12:13:21-03:00", "utc": "2011-11-03T15:13:21Z", "ms": 1320333201003.3638 }, "end": { "local": "2011-11-03T13:01:21-03:00", "utc": "2011-11-03T16:01:21Z", "ms": 1320336081003.3638 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:26 on Wed 2 Nov to 02:01 on Thu 3 Nov.", "fact": "2011-11-02T04:25:57Z → 2011-11-03T05:01:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 2nd, 12:13–13:01 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 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36730 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Buenos Aires, 2011: Wednesday 2 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": "2011-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gopāṣṭamī 2011 falls on Wednesday 2 November. Aṣṭamī runs from 01:26 on Wed 2 Nov to 02:01 on Thu 3 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9176, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2011-11-03T02:01:11-03:00", "utc": "2011-11-03T05:01:11Z", "ms": 1320296471404.0466 }, "end": { "local": "2011-11-04T03:16:35-03:00", "utc": "2011-11-04T06:16:35Z", "ms": 1320387395306.6467 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-11-03T02:01:11-03:00", "utc": "2011-11-03T05:01:11Z", "ms": 1320296471404.0466 }, "end": { "local": "2011-11-04T03:16:35-03:00", "utc": "2011-11-04T06:16:35Z", "ms": 1320387395306.6467 } }, "kaala": "purvahna", "days": [ { "local_date": "2011-11-03", "window": { "start": { "local": "2011-11-03T05:50:28-03:00", "utc": "2011-11-03T08:50:28Z", "ms": 1320310227539.388 }, "end": { "local": "2011-11-03T10:21:43-03:00", "utc": "2011-11-03T13:21:43Z", "ms": 1320326503182.0386 } }, "covered_min": 271, "window_min": 271, "qualifies": true }, { "local_date": "2011-11-04", "window": { "start": { "local": "2011-11-04T05:49:31-03:00", "utc": "2011-11-04T08:49:31Z", "ms": 1320396570880.0981 }, "end": { "local": "2011-11-04T10:21:24-03:00", "utc": "2011-11-04T13:21:24Z", "ms": 1320412884466.3884 } }, "covered_min": 0, "window_min": 272, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 02:01 on Thu 3 Nov to 03:17 on Fri 4 Nov.", "fact": "2011-11-03T05:01:11Z → 2011-11-04T06:16:35Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:50–10:22 on the 3rd, 05:50–10:21 on the 4th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 271 of 271 minutes on the 3rd and 0 of 272 on the 4th.", "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 9176 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Buenos Aires, 2011: Thursday 3 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": "2011-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Akṣaya Navamī (Amla Navami) 2011 falls on Thursday 3 November. Navamī runs from 02:01 on Thu 3 Nov to 03:17 on Fri 4 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32206, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2011-11-03T02:01:11-03:00", "utc": "2011-11-03T05:01:11Z", "ms": 1320296471404.0466 }, "end": { "local": "2011-11-04T03:16:35-03:00", "utc": "2011-11-04T06:16:35Z", "ms": 1320387395306.6467 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-11-03T02:01:11-03:00", "utc": "2011-11-03T05:01:11Z", "ms": 1320296471404.0466 }, "end": { "local": "2011-11-04T03:16:35-03:00", "utc": "2011-11-04T06:16:35Z", "ms": 1320387395306.6467 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-11-03", "window": { "start": { "local": "2011-11-03T12:13:21-03:00", "utc": "2011-11-03T15:13:21Z", "ms": 1320333201003.3638 }, "end": { "local": "2011-11-03T13:01:21-03:00", "utc": "2011-11-03T16:01:21Z", "ms": 1320336081003.3638 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-11-04", "window": { "start": { "local": "2011-11-04T12:13:21-03:00", "utc": "2011-11-04T15:13:21Z", "ms": 1320419601259.5337 }, "end": { "local": "2011-11-04T13:01:21-03:00", "utc": "2011-11-04T16:01:21Z", "ms": 1320422481259.5337 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 02:01 on Thu 3 Nov to 03:17 on Fri 4 Nov.", "fact": "2011-11-03T05:01:11Z → 2011-11-04T06:16:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 3rd, 12:13–13:01 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 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32206 s" }, { "step": "ruling", "text": "Durgā Navamī, Buenos Aires, 2011: Thursday 3 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": "2011-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Durgā Navamī 2011 falls on Thursday 3 November. Navamī runs from 02:01 on Thu 3 Nov to 03:17 on Fri 4 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-11-06", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2638, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-11-05T05:04:37-03:00", "utc": "2011-11-05T08:04:37Z", "ms": 1320480277443.0125 }, "end": { "local": "2011-11-06T07:16:28-03:00", "utc": "2011-11-06T10:16:28Z", "ms": 1320574588213.6042 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-11-05T05:04:37-03:00", "utc": "2011-11-05T08:04:37Z", "ms": 1320480277443.0125 }, "end": { "local": "2011-11-06T07:16:28-03:00", "utc": "2011-11-06T10:16:28Z", "ms": 1320574588213.6042 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-11-05", "window": { "start": { "local": "2011-11-05T05:48:36-03:00", "utc": "2011-11-05T08:48:36Z", "ms": 1320482915567.2307 }, "end": { "local": "2011-11-05T05:48:36-03:00", "utc": "2011-11-05T08:48:36Z", "ms": 1320482915567.2307 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-11-06", "window": { "start": { "local": "2011-11-06T05:47:42-03:00", "utc": "2011-11-06T08:47:42Z", "ms": 1320569261632.8347 }, "end": { "local": "2011-11-06T05:47:42-03:00", "utc": "2011-11-06T08:47:42Z", "ms": 1320569261632.8347 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:05 on Sat 5 Nov to 07:16 on Sun 6 Nov.", "fact": "2011-11-05T08:04:37Z → 2011-11-06T10:16:28Z" }, { "step": "kaala", "text": "Sunrise is at 05:49 on the 5th and 05:48 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 5th and is on the 6th.", "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 2638 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Buenos Aires, 2011: Sunday 6 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": "2011-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Prabodhinī Ekādaśī 2011 falls on Sunday 6 November. Ekādaśī runs from 05:05 on Sat 5 Nov to 07:16 on Sun 6 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-11-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-11-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25954, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-11-07T09:43:09-03:00", "utc": "2011-11-07T12:43:09Z", "ms": 1320669789469.9639 }, "end": { "local": "2011-11-08T12:16:29-03:00", "utc": "2011-11-08T15:16:29Z", "ms": 1320765388650.3254 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-11-07T09:43:09-03:00", "utc": "2011-11-07T12:43:09Z", "ms": 1320669789469.9639 }, "end": { "local": "2011-11-08T12:16:29-03:00", "utc": "2011-11-08T15:16:29Z", "ms": 1320765388650.3254 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-11-07", "window": { "start": { "local": "2011-11-07T19:28:05-03:00", "utc": "2011-11-07T22:28:05Z", "ms": 1320704884585.13 }, "end": { "local": "2011-11-07T20:50:28-03:00", "utc": "2011-11-07T23:50:28Z", "ms": 1320709827710.8186 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2011-11-08", "window": { "start": { "local": "2011-11-08T19:29:03-03:00", "utc": "2011-11-08T22:29:03Z", "ms": 1320791342655.0872 }, "end": { "local": "2011-11-08T20:51:11-03:00", "utc": "2011-11-08T23:51:11Z", "ms": 1320796271423.9055 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:43 on Mon 7 Nov to 12:16 on Tue 8 Nov.", "fact": "2011-11-07T12:43:09Z → 2011-11-08T15:16:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:28–20:50 on the 7th, 19:29–20:51 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 82 of 82 minutes on the 7th and 0 of 82 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 25954 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2011: Monday 7 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": "2011-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2011 falls on Monday 7 November. Trayodaśī runs from 09:43 on Mon 7 Nov to 12:16 on Tue 8 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-11-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25030, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-11-09T14:49:25-03:00", "utc": "2011-11-09T17:49:25Z", "ms": 1320860964998.4453 }, "end": { "local": "2011-11-10T17:16:07-03:00", "utc": "2011-11-10T20:16:07Z", "ms": 1320956166949.9553 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-11-09T14:49:25-03:00", "utc": "2011-11-09T17:49:25Z", "ms": 1320860964998.4453 }, "end": { "local": "2011-11-10T17:16:07-03:00", "utc": "2011-11-10T20:16:07Z", "ms": 1320956166949.9553 } }, "kaala": "nishita", "days": [ { "local_date": "2011-11-09", "window": { "start": { "local": "2011-11-10T00:13:11-03:00", "utc": "2011-11-10T03:13:11Z", "ms": 1320894790613.145 }, "end": { "local": "2011-11-10T01:01:11-03:00", "utc": "2011-11-10T04:01:11Z", "ms": 1320897670613.145 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-11-10", "window": { "start": { "local": "2011-11-11T00:13:17-03:00", "utc": "2011-11-11T03:13:17Z", "ms": 1320981196537.234 }, "end": { "local": "2011-11-11T01:01:17-03:00", "utc": "2011-11-11T04:01:17Z", "ms": 1320984076537.234 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:49 on Wed 9 Nov to 17:16 on Thu 10 Nov.", "fact": "2011-11-09T17:49:25Z → 2011-11-10T20:16:07Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 9th, 00:13–01:01 on the 10th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25030 s" }, { "step": "ruling", "text": "Rāsayātrā, Buenos Aires, 2011: Wednesday 9 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": "2011-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rāsayātrā 2011 falls on Wednesday 9 November. Pūrṇimā runs from 14:49 on Wed 9 Nov to 17:16 on Thu 10 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6470, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-11-09T14:49:25-03:00", "utc": "2011-11-09T17:49:25Z", "ms": 1320860964998.4453 }, "end": { "local": "2011-11-10T17:16:07-03:00", "utc": "2011-11-10T20:16:07Z", "ms": 1320956166949.9553 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2011-11-09T14:49:25-03:00", "utc": "2011-11-09T17:49:25Z", "ms": 1320860964998.4453 }, "end": { "local": "2011-11-10T17:16:07-03:00", "utc": "2011-11-10T20:16:07Z", "ms": 1320956166949.9553 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-11-09", "window": { "start": { "local": "2011-11-09T12:13:35-03:00", "utc": "2011-11-09T15:13:35Z", "ms": 1320851614663.1604 }, "end": { "local": "2011-11-09T13:01:35-03:00", "utc": "2011-11-09T16:01:35Z", "ms": 1320854494663.1604 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-11-10", "window": { "start": { "local": "2011-11-10T12:13:40-03:00", "utc": "2011-11-10T15:13:40Z", "ms": 1320938019818.1057 }, "end": { "local": "2011-11-10T13:01:40-03:00", "utc": "2011-11-10T16:01:40Z", "ms": 1320940899818.1057 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:49 on Wed 9 Nov to 17:16 on Thu 10 Nov.", "fact": "2011-11-09T17:49:25Z → 2011-11-10T20:16:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 9th, 12:14–13:02 on the 10th.", "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 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6470 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Buenos Aires, 2011: Thursday 10 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": "2011-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-10", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kārtikī Pūrṇimā 2011 falls on Thursday 10 November. Pūrṇimā runs from 14:49 on Wed 9 Nov to 17:16 on Thu 10 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-11-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3144, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-11-13T23:09:07-03:00", "utc": "2011-11-14T02:09:07Z", "ms": 1321236546621.2185 }, "end": { "local": "2011-11-15T00:21:33-03:00", "utc": "2011-11-15T03:21:33Z", "ms": 1321327292602.2815 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-11-13T23:09:07-03:00", "utc": "2011-11-14T02:09:07Z", "ms": 1321236546621.2185 }, "end": { "local": "2011-11-15T00:21:33-03:00", "utc": "2011-11-15T03:21:33Z", "ms": 1321327292602.2815 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-11-13", "window": { "start": { "local": "2011-11-13T22:16:42-03:00", "utc": "2011-11-14T01:16:42Z", "ms": 1321233402326.8113 }, "end": { "local": "2011-11-13T22:16:42-03:00", "utc": "2011-11-14T01:16:42Z", "ms": 1321233402326.8113 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2011-11-14", "window": { "start": { "local": "2011-11-14T23:02:55-03:00", "utc": "2011-11-15T02:02:55Z", "ms": 1321322574586.318 }, "end": { "local": "2011-11-14T23:02:55-03:00", "utc": "2011-11-15T02:02:55Z", "ms": 1321322574586.318 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:09 on Sun 13 Nov to 00:22 on Tue 15 Nov.", "fact": "2011-11-14T02:09:07Z → 2011-11-15T03:21:33Z" }, { "step": "kaala", "text": "Moonrise is at 22:17 on the 13th and 23:03 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 13th and is on the 14th.", "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 3144 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2011: Monday 14 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": "2011-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2011 falls on Monday 14 November. Caturthī runs from 23:09 on Sun 13 Nov to 00:22 on Tue 15 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-11-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/ekadashi?on=2011-11-21", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36952, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-11-20T19:21:27-03:00", "utc": "2011-11-20T22:21:27Z", "ms": 1321827687413.7168 }, "end": { "local": "2011-11-21T16:32:08-03:00", "utc": "2011-11-21T19:32:08Z", "ms": 1321903927550.7683 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-11-20T19:21:27-03:00", "utc": "2011-11-20T22:21:27Z", "ms": 1321827687413.7168 }, "end": { "local": "2011-11-21T16:32:08-03:00", "utc": "2011-11-21T19:32:08Z", "ms": 1321903927550.7683 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-11-21", "window": { "start": { "local": "2011-11-21T05:37:19-03:00", "utc": "2011-11-21T08:37:19Z", "ms": 1321864639426.6113 }, "end": { "local": "2011-11-21T05:37:19-03:00", "utc": "2011-11-21T08:37:19Z", "ms": 1321864639426.6113 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-11-22", "window": { "start": { "local": "2011-11-22T05:36:52-03:00", "utc": "2011-11-22T08:36:52Z", "ms": 1321951011725.54 }, "end": { "local": "2011-11-22T05:36:52-03:00", "utc": "2011-11-22T08:36:52Z", "ms": 1321951011725.54 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:21 on Sun 20 Nov to 16:32 on Mon 21 Nov.", "fact": "2011-11-20T22:21:27Z → 2011-11-21T19:32:08Z" }, { "step": "kaala", "text": "Sunrise is at 05:37 on the 21st and 05:37 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not 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 36952 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Buenos Aires, 2011: Monday 21 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": "2011-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Utpannā Ekādaśī 2011 falls on Monday 21 November. Ekādaśī runs from 19:21 on Sun 20 Nov to 16:32 on Mon 21 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-11-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-11-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22870, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-11-22T13:21:33-03:00", "utc": "2011-11-22T16:21:33Z", "ms": 1321978893473.7122 }, "end": { "local": "2011-11-23T09:58:07-03:00", "utc": "2011-11-23T12:58:07Z", "ms": 1322053086832.3838 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-11-22T13:21:33-03:00", "utc": "2011-11-22T16:21:33Z", "ms": 1321978893473.7122 }, "end": { "local": "2011-11-23T09:58:07-03:00", "utc": "2011-11-23T12:58:07Z", "ms": 1322053086832.3838 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-11-22", "window": { "start": { "local": "2011-11-22T19:42:43-03:00", "utc": "2011-11-22T22:42:43Z", "ms": 1322001763206.6008 }, "end": { "local": "2011-11-22T21:01:53-03:00", "utc": "2011-11-23T00:01:53Z", "ms": 1322006512896.685 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "2011-11-23", "window": { "start": { "local": "2011-11-23T19:43:41-03:00", "utc": "2011-11-23T22:43:41Z", "ms": 1322088221102.846 }, "end": { "local": "2011-11-23T21:02:40-03:00", "utc": "2011-11-24T00:02:40Z", "ms": 1322092959877.2441 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:22 on Tue 22 Nov to 09:58 on Wed 23 Nov.", "fact": "2011-11-22T16:21:33Z → 2011-11-23T12:58:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:43–21:02 on the 22nd, 19:44–21:03 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 79 of 79 minutes on the 22nd and 0 of 79 on the 23rd.", "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 22870 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2011: Tuesday 22 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": "2011-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-22", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2011 falls on Tuesday 22 November. Trayodaśī runs from 13:22 on Tue 22 Nov to 09:58 on Wed 23 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-11-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shivaratri?on=2011-11-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19626, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-11-23T09:58:07-03:00", "utc": "2011-11-23T12:58:07Z", "ms": 1322053086832.3838 }, "end": { "local": "2011-11-24T06:30:58-03:00", "utc": "2011-11-24T09:30:58Z", "ms": 1322127057514.5186 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-11-23T09:58:07-03:00", "utc": "2011-11-23T12:58:07Z", "ms": 1322053086832.3838 }, "end": { "local": "2011-11-24T06:30:58-03:00", "utc": "2011-11-24T09:30:58Z", "ms": 1322127057514.5186 } }, "kaala": "nishita", "days": [ { "local_date": "2011-11-22", "window": { "start": { "local": "2011-11-23T00:15:35-03:00", "utc": "2011-11-23T03:15:35Z", "ms": 1322018134544.417 }, "end": { "local": "2011-11-23T01:03:35-03:00", "utc": "2011-11-23T04:03:35Z", "ms": 1322021014544.417 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-11-23", "window": { "start": { "local": "2011-11-24T00:15:52-03:00", "utc": "2011-11-24T03:15:52Z", "ms": 1322104551506.8389 }, "end": { "local": "2011-11-24T01:03:52-03:00", "utc": "2011-11-24T04:03:52Z", "ms": 1322107431506.8389 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:58 on Wed 23 Nov to 06:31 on Thu 24 Nov.", "fact": "2011-11-23T12:58:07Z → 2011-11-24T09:30:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:16–01:04 on the 22nd, 00:16–01:04 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 19626 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2011: Wednesday 23 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": "2011-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2011 falls on Wednesday 23 November. Caturdaśī runs from 09:58 on Wed 23 Nov to 06:31 on Thu 24 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/shivaratri?on=2011-11-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-11-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17027, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-11-27T19:15:56-03:00", "utc": "2011-11-27T22:15:56Z", "ms": 1322432155537.369 }, "end": { "local": "2011-11-28T17:49:22-03:00", "utc": "2011-11-28T20:49:22Z", "ms": 1322513361566.3706 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-11-27T19:15:56-03:00", "utc": "2011-11-27T22:15:56Z", "ms": 1322432155537.369 }, "end": { "local": "2011-11-28T17:49:22-03:00", "utc": "2011-11-28T20:49:22Z", "ms": 1322513361566.3706 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-11-27", "window": { "start": { "local": "2011-11-27T12:17:15-03:00", "utc": "2011-11-27T15:17:15Z", "ms": 1322407035209.7383 }, "end": { "local": "2011-11-27T13:05:15-03:00", "utc": "2011-11-27T16:05:15Z", "ms": 1322409915209.7383 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-11-28", "window": { "start": { "local": "2011-11-28T12:17:35-03:00", "utc": "2011-11-28T15:17:35Z", "ms": 1322493454939.6628 }, "end": { "local": "2011-11-28T13:05:35-03:00", "utc": "2011-11-28T16:05:35Z", "ms": 1322496334939.6628 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:16 on Sun 27 Nov to 17:49 on Mon 28 Nov.", "fact": "2011-11-27T22:15:56Z → 2011-11-28T20:49:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 27th, 12:18–13:06 on the 28th.", "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 27th and 48 of 48 on the 28th.", "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 17027 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2011: Monday 28 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": "2011-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2011 falls on Monday 28 November. Caturthī runs from 19:16 on Sun 27 Nov to 17:49 on Mon 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-11-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14559, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2011-11-28T17:49:22-03:00", "utc": "2011-11-28T20:49:22Z", "ms": 1322513361566.3706 }, "end": { "local": "2011-11-29T17:08:35-03:00", "utc": "2011-11-29T20:08:35Z", "ms": 1322597314785.813 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-11-28T17:49:22-03:00", "utc": "2011-11-28T20:49:22Z", "ms": 1322513361566.3706 }, "end": { "local": "2011-11-29T17:08:35-03:00", "utc": "2011-11-29T20:08:35Z", "ms": 1322597314785.813 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-11-28", "window": { "start": { "local": "2011-11-28T12:17:35-03:00", "utc": "2011-11-28T15:17:35Z", "ms": 1322493454939.6628 }, "end": { "local": "2011-11-28T13:05:35-03:00", "utc": "2011-11-28T16:05:35Z", "ms": 1322496334939.6628 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-11-29", "window": { "start": { "local": "2011-11-29T12:17:55-03:00", "utc": "2011-11-29T15:17:55Z", "ms": 1322579875347.801 }, "end": { "local": "2011-11-29T13:05:55-03:00", "utc": "2011-11-29T16:05:55Z", "ms": 1322582755347.801 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:49 on Mon 28 Nov to 17:09 on Tue 29 Nov.", "fact": "2011-11-28T20:49:22Z → 2011-11-29T20:08:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 28th, 12:18–13:06 on the 29th.", "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 28th and 48 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 14559 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Buenos Aires, 2011: Tuesday 29 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": "2011-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nāga Pañcamī (Mārgaśīrṣa) 2011 falls on Tuesday 29 November. Pañcamī runs from 17:49 on Mon 28 Nov to 17:09 on Tue 29 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14559, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2011-11-29T17:08:35-03:00", "utc": "2011-11-29T20:08:35Z", "ms": 1322597314785.813 }, "end": { "local": "2011-11-30T17:15:45-03:00", "utc": "2011-11-30T20:15:45Z", "ms": 1322684145166.1348 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-11-29T17:08:35-03:00", "utc": "2011-11-29T20:08:35Z", "ms": 1322597314785.813 }, "end": { "local": "2011-11-30T17:15:45-03:00", "utc": "2011-11-30T20:15:45Z", "ms": 1322684145166.1348 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-11-29", "window": { "start": { "local": "2011-11-29T12:17:55-03:00", "utc": "2011-11-29T15:17:55Z", "ms": 1322579875347.801 }, "end": { "local": "2011-11-29T13:05:55-03:00", "utc": "2011-11-29T16:05:55Z", "ms": 1322582755347.801 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-11-30", "window": { "start": { "local": "2011-11-30T12:18:16-03:00", "utc": "2011-11-30T15:18:16Z", "ms": 1322666296413.3425 }, "end": { "local": "2011-11-30T13:06:16-03:00", "utc": "2011-11-30T16:06:16Z", "ms": 1322669176413.3425 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:09 on Tue 29 Nov to 17:16 on Wed 30 Nov.", "fact": "2011-11-29T20:08:35Z → 2011-11-30T20:15:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 29th, 12:18–13:06 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14559 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Buenos Aires, 2011: Wednesday 30 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": "2011-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-30", "confidence": "determinate" } ], "quote": "In Buenos Aires, Campā Ṣaṣṭhī 2011 falls on Wednesday 30 November. Ṣaṣṭhī runs from 17:09 on Tue 29 Nov to 17:16 on Wed 30 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14559, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2011-11-29T17:08:35-03:00", "utc": "2011-11-29T20:08:35Z", "ms": 1322597314785.813 }, "end": { "local": "2011-11-30T17:15:45-03:00", "utc": "2011-11-30T20:15:45Z", "ms": 1322684145166.1348 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-11-29T17:08:35-03:00", "utc": "2011-11-29T20:08:35Z", "ms": 1322597314785.813 }, "end": { "local": "2011-11-30T17:15:45-03:00", "utc": "2011-11-30T20:15:45Z", "ms": 1322684145166.1348 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-11-29", "window": { "start": { "local": "2011-11-29T12:17:55-03:00", "utc": "2011-11-29T15:17:55Z", "ms": 1322579875347.801 }, "end": { "local": "2011-11-29T13:05:55-03:00", "utc": "2011-11-29T16:05:55Z", "ms": 1322582755347.801 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-11-30", "window": { "start": { "local": "2011-11-30T12:18:16-03:00", "utc": "2011-11-30T15:18:16Z", "ms": 1322666296413.3425 }, "end": { "local": "2011-11-30T13:06:16-03:00", "utc": "2011-11-30T16:06:16Z", "ms": 1322669176413.3425 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:09 on Tue 29 Nov to 17:16 on Wed 30 Nov.", "fact": "2011-11-29T20:08:35Z → 2011-11-30T20:15:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 29th, 12:18–13:06 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14559 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Buenos Aires, 2011: Wednesday 30 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": "2011-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-11-30", "confidence": "determinate" } ], "quote": "In Buenos Aires, Skanda Ṣaṣṭhī 2011 falls on Wednesday 30 November. Ṣaṣṭhī runs from 17:09 on Tue 29 Nov to 17:16 on Wed 30 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14969, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2011-11-30T17:15:45-03:00", "utc": "2011-11-30T20:15:45Z", "ms": 1322684145166.1348 }, "end": { "local": "2011-12-01T18:09:28-03:00", "utc": "2011-12-01T21:09:28Z", "ms": 1322773767522.6716 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-11-30T17:15:45-03:00", "utc": "2011-11-30T20:15:45Z", "ms": 1322684145166.1348 }, "end": { "local": "2011-12-01T18:09:28-03:00", "utc": "2011-12-01T21:09:28Z", "ms": 1322773767522.6716 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-11-30", "window": { "start": { "local": "2011-11-30T12:18:16-03:00", "utc": "2011-11-30T15:18:16Z", "ms": 1322666296413.3425 }, "end": { "local": "2011-11-30T13:06:16-03:00", "utc": "2011-11-30T16:06:16Z", "ms": 1322669176413.3425 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2011-12-01", "window": { "start": { "local": "2011-12-01T12:18:38-03:00", "utc": "2011-12-01T15:18:38Z", "ms": 1322752718115.4832 }, "end": { "local": "2011-12-01T13:06:38-03:00", "utc": "2011-12-01T16:06:38Z", "ms": 1322755598115.4832 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 17:16 on Wed 30 Nov to 18:09 on Thu 1 Dec.", "fact": "2011-11-30T20:15:45Z → 2011-12-01T21:09:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 30th, 12:19–13:07 on the 1st.", "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 30th 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: purvaviddha → only-day · margin 14969 s" }, { "step": "ruling", "text": "Mitra Saptamī, Buenos Aires, 2011: Thursday 1 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-12-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mitra Saptamī 2011 falls on Thursday 1 December. Saptamī runs from 17:16 on Wed 30 Nov to 18:09 on Thu 1 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/ekadashi?on=2011-12-05", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9372, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-12-05T00:20:13-03:00", "utc": "2011-12-05T03:20:13Z", "ms": 1323055212751.7207 }, "end": { "local": "2011-12-06T02:57:32-03:00", "utc": "2011-12-06T05:57:32Z", "ms": 1323151051898.8718 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-12-05T00:20:13-03:00", "utc": "2011-12-05T03:20:13Z", "ms": 1323055212751.7207 }, "end": { "local": "2011-12-06T02:57:32-03:00", "utc": "2011-12-06T05:57:32Z", "ms": 1323151051898.8718 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-12-05", "window": { "start": { "local": "2011-12-05T05:33:45-03:00", "utc": "2011-12-05T08:33:45Z", "ms": 1323074024507.5293 }, "end": { "local": "2011-12-05T05:33:45-03:00", "utc": "2011-12-05T08:33:45Z", "ms": 1323074024507.5293 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-12-06", "window": { "start": { "local": "2011-12-06T05:33:44-03:00", "utc": "2011-12-06T08:33:44Z", "ms": 1323160423675.558 }, "end": { "local": "2011-12-06T05:33:44-03:00", "utc": "2011-12-06T08:33:44Z", "ms": 1323160423675.558 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:20 on Mon 5 Dec to 02:58 on Tue 6 Dec.", "fact": "2011-12-05T03:20:13Z → 2011-12-06T05:57:32Z" }, { "step": "kaala", "text": "Sunrise is at 05:34 on the 5th and 05:34 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9372 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Buenos Aires, 2011: Monday 5 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": "2011-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-12-05", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mokṣadā Ekādaśī 2011 falls on Monday 5 December. Ekādaśī runs from 00:20 on Mon 5 Dec to 02:58 on Tue 6 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24531, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2011-12-06T02:57:32-03:00", "utc": "2011-12-06T05:57:32Z", "ms": 1323151051898.8718 }, "end": { "local": "2011-12-07T05:32:10-03:00", "utc": "2011-12-07T08:32:10Z", "ms": 1323246729989.9897 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-12-06T02:57:32-03:00", "utc": "2011-12-06T05:57:32Z", "ms": 1323151051898.8718 }, "end": { "local": "2011-12-07T05:32:10-03:00", "utc": "2011-12-07T08:32:10Z", "ms": 1323246729989.9897 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-12-06", "window": { "start": { "local": "2011-12-06T12:20:35-03:00", "utc": "2011-12-06T15:20:35Z", "ms": 1323184835429.0815 }, "end": { "local": "2011-12-06T13:08:35-03:00", "utc": "2011-12-06T16:08:35Z", "ms": 1323187715429.0815 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-12-07", "window": { "start": { "local": "2011-12-07T12:21:00-03:00", "utc": "2011-12-07T15:21:00Z", "ms": 1323271260496.9536 }, "end": { "local": "2011-12-07T13:09:00-03:00", "utc": "2011-12-07T16:09:00Z", "ms": 1323274140496.9536 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:58 on Tue 6 Dec to 05:32 on Wed 7 Dec.", "fact": "2011-12-06T05:57:32Z → 2011-12-07T08:32:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 6th, 12:21–13:09 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 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24531 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Buenos Aires, 2011: Tuesday 6 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": "2011-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-12-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Akhaṇḍa Dvādaśī 2011 falls on Tuesday 6 December. Dvādaśī runs from 02:58 on Tue 6 Dec to 05:32 on Wed 7 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-12-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29976, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-12-07T05:32:10-03:00", "utc": "2011-12-07T08:32:10Z", "ms": 1323246729989.9897 }, "end": { "local": "2011-12-08T07:54:30-03:00", "utc": "2011-12-08T10:54:30Z", "ms": 1323341669725.295 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-12-07T05:32:10-03:00", "utc": "2011-12-07T08:32:10Z", "ms": 1323246729989.9897 }, "end": { "local": "2011-12-08T07:54:30-03:00", "utc": "2011-12-08T10:54:30Z", "ms": 1323341669725.295 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-12-06", "window": { "start": { "local": "2011-12-06T19:55:27-03:00", "utc": "2011-12-06T22:55:27Z", "ms": 1323212127182.6052 }, "end": { "local": "2011-12-06T21:12:34-03:00", "utc": "2011-12-07T00:12:34Z", "ms": 1323216753531.7256 } }, "covered_min": 0, "window_min": 77, "qualifies": false }, { "local_date": "2011-12-07", "window": { "start": { "local": "2011-12-07T19:56:16-03:00", "utc": "2011-12-07T22:56:16Z", "ms": 1323298576192.8992 }, "end": { "local": "2011-12-07T21:13:16-03:00", "utc": "2011-12-08T00:13:16Z", "ms": 1323303196418.1682 } }, "covered_min": 77, "window_min": 77, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:32 on Wed 7 Dec to 07:54 on Thu 8 Dec.", "fact": "2011-12-07T08:32:10Z → 2011-12-08T10:54:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:55–21:13 on the 6th, 19:56–21:13 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 77 minutes on the 6th and 77 of 77 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 29976 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2011: Wednesday 7 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": "2011-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-12-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2011 falls on Wednesday 7 December. Trayodaśī runs from 05:32 on Wed 7 Dec to 07:54 on Thu 8 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-12-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30134, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2011-12-09T09:57:26-03:00", "utc": "2011-12-09T12:57:26Z", "ms": 1323435445594.0315 }, "end": { "local": "2011-12-10T11:36:23-03:00", "utc": "2011-12-10T14:36:23Z", "ms": 1323527783262.7546 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-12-09T09:57:26-03:00", "utc": "2011-12-09T12:57:26Z", "ms": 1323435445594.0315 }, "end": { "local": "2011-12-10T11:36:23-03:00", "utc": "2011-12-10T14:36:23Z", "ms": 1323527783262.7546 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-12-09", "window": { "start": { "local": "2011-12-09T19:57:51-03:00", "utc": "2011-12-09T22:57:51Z", "ms": 1323471471185.6587 }, "end": { "local": "2011-12-09T21:14:40-03:00", "utc": "2011-12-10T00:14:40Z", "ms": 1323476080347.55 } }, "covered_min": 77, "window_min": 77, "qualifies": true }, { "local_date": "2011-12-10", "window": { "start": { "local": "2011-12-10T19:58:37-03:00", "utc": "2011-12-10T22:58:37Z", "ms": 1323557917077.7998 }, "end": { "local": "2011-12-10T21:15:21-03:00", "utc": "2011-12-11T00:15:21Z", "ms": 1323562521310.8298 } }, "covered_min": 0, "window_min": 77, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:57 on Fri 9 Dec to 11:36 on Sat 10 Dec.", "fact": "2011-12-09T12:57:26Z → 2011-12-10T14:36:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:58–21:15 on the 9th, 19:59–21:15 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 77 of 77 minutes on the 9th and 0 of 77 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30134 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Buenos Aires, 2011: Friday 9 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": "2011-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-12-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Dattātreyotpatti (Datta Jayanti) 2011 falls on Friday 9 December. Pūrṇimā runs from 09:57 on Fri 9 Dec to 11:36 on Sat 10 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/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": "/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-12-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30795, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-12-13T13:51:34-03:00", "utc": "2011-12-13T16:51:34Z", "ms": 1323795093703.015 }, "end": { "local": "2011-12-14T13:42:04-03:00", "utc": "2011-12-14T16:42:04Z", "ms": 1323880924301.4976 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-12-13T13:51:34-03:00", "utc": "2011-12-13T16:51:34Z", "ms": 1323795093703.015 }, "end": { "local": "2011-12-14T13:42:04-03:00", "utc": "2011-12-14T16:42:04Z", "ms": 1323880924301.4976 } }, "kaala": "moonrise", "days": [ { "local_date": "2011-12-13", "window": { "start": { "local": "2011-12-13T22:24:49-03:00", "utc": "2011-12-14T01:24:49Z", "ms": 1323825888762.7566 }, "end": { "local": "2011-12-13T22:24:49-03:00", "utc": "2011-12-14T01:24:49Z", "ms": 1323825888762.7566 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-12-14", "window": { "start": { "local": "2011-12-14T23:01:23-03:00", "utc": "2011-12-15T02:01:23Z", "ms": 1323914482502.7612 }, "end": { "local": "2011-12-14T23:01:23-03:00", "utc": "2011-12-15T02:01:23Z", "ms": 1323914482502.7612 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:52 on Tue 13 Dec to 13:42 on Wed 14 Dec.", "fact": "2011-12-13T16:51:34Z → 2011-12-14T16:42:04Z" }, { "step": "kaala", "text": "Moonrise is at 22:25 on the 13th and 23:01 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 13th and is not on the 14th.", "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 30795 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2011: Tuesday 13 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": "2011-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-12-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2011 falls on Tuesday 13 December. Caturthī runs from 13:52 on Tue 13 Dec to 13:42 on Wed 14 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/sankashta-chaturthi?on=2011-12-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/ekadashi?on=2011-12-20", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4777, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2011-12-20T04:17:18-03:00", "utc": "2011-12-20T07:17:18Z", "ms": 1324365437562.9685 }, "end": { "local": "2011-12-21T01:39:43-03:00", "utc": "2011-12-21T04:39:43Z", "ms": 1324442382775.8284 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-12-20T04:17:18-03:00", "utc": "2011-12-20T07:17:18Z", "ms": 1324365437562.9685 }, "end": { "local": "2011-12-21T01:39:43-03:00", "utc": "2011-12-21T04:39:43Z", "ms": 1324442382775.8284 } }, "kaala": "sunrise", "days": [ { "local_date": "2011-12-20", "window": { "start": { "local": "2011-12-20T05:36:55-03:00", "utc": "2011-12-20T08:36:55Z", "ms": 1324370214680.0923 }, "end": { "local": "2011-12-20T05:36:55-03:00", "utc": "2011-12-20T08:36:55Z", "ms": 1324370214680.0923 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2011-12-21", "window": { "start": { "local": "2011-12-21T05:37:22-03:00", "utc": "2011-12-21T08:37:22Z", "ms": 1324456642267.2021 }, "end": { "local": "2011-12-21T05:37:22-03:00", "utc": "2011-12-21T08:37:22Z", "ms": 1324456642267.2021 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:17 on Tue 20 Dec to 01:40 on Wed 21 Dec.", "fact": "2011-12-20T07:17:18Z → 2011-12-21T04:39:43Z" }, { "step": "kaala", "text": "Sunrise is at 05:37 on the 20th and 05:37 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 4777 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Buenos Aires, 2011: Tuesday 20 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": "2011-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-12-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saphalā Ekādaśī 2011 falls on Tuesday 20 December. Ekādaśī runs from 04:17 on Tue 20 Dec to 01:40 on Wed 21 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/ekadashi?on=2011-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/pradosha-vrata?on=2011-12-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-12-22", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 221, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2011-12-21T22:55:06-03:00", "utc": "2011-12-22T01:55:06Z", "ms": 1324518906266.526 }, "end": { "local": "2011-12-22T20:09:49-03:00", "utc": "2011-12-22T23:09:49Z", "ms": 1324595388589.9756 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-12-21T22:55:06-03:00", "utc": "2011-12-22T01:55:06Z", "ms": 1324518906266.526 }, "end": { "local": "2011-12-22T20:09:49-03:00", "utc": "2011-12-22T23:09:49Z", "ms": 1324595388589.9756 } }, "kaala": "pradosha", "days": [ { "local_date": "2011-12-21", "window": { "start": { "local": "2011-12-21T20:05:38-03:00", "utc": "2011-12-21T23:05:38Z", "ms": 1324508737954.2424 }, "end": { "local": "2011-12-21T21:21:56-03:00", "utc": "2011-12-22T00:21:56Z", "ms": 1324513315771.4036 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "2011-12-22", "window": { "start": { "local": "2011-12-22T20:06:08-03:00", "utc": "2011-12-22T23:06:08Z", "ms": 1324595167503.463 }, "end": { "local": "2011-12-22T21:22:26-03:00", "utc": "2011-12-23T00:22:26Z", "ms": 1324599745514.8608 } }, "covered_min": 4, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:55 on Wed 21 Dec to 20:10 on Thu 22 Dec.", "fact": "2011-12-22T01:55:06Z → 2011-12-22T23:09:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:06–21:22 on the 21st, 20:06–21:22 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 76 minutes on the 21st and 4 of 76 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 221 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2011: Thursday 22 December.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2011-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-12-22", "confidence": "boundary" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2011 falls on Thursday 22 December. Trayodaśī runs from 22:55 on Wed 21 Dec to 20:10 on Thu 22 Dec and covers 4 of 76 minutes of pradoṣa that evening. It is 3 min 41 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/pradosha-vrata?on=2011-12-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/shivaratri?on=2011-12-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15506, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2011-12-22T20:09:49-03:00", "utc": "2011-12-22T23:09:49Z", "ms": 1324595388589.9756 }, "end": { "local": "2011-12-23T17:30:59-03:00", "utc": "2011-12-23T20:30:59Z", "ms": 1324672259309.9568 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-12-22T20:09:49-03:00", "utc": "2011-12-22T23:09:49Z", "ms": 1324595388589.9756 }, "end": { "local": "2011-12-23T17:30:59-03:00", "utc": "2011-12-23T20:30:59Z", "ms": 1324672259309.9568 } }, "kaala": "nishita", "days": [ { "local_date": "2011-12-22", "window": { "start": { "local": "2011-12-23T00:28:15-03:00", "utc": "2011-12-23T03:28:15Z", "ms": 1324610895046.2053 }, "end": { "local": "2011-12-23T01:16:15-03:00", "utc": "2011-12-23T04:16:15Z", "ms": 1324613775046.2053 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-12-23", "window": { "start": { "local": "2011-12-24T00:28:45-03:00", "utc": "2011-12-24T03:28:45Z", "ms": 1324697325335.714 }, "end": { "local": "2011-12-24T01:16:45-03:00", "utc": "2011-12-24T04:16:45Z", "ms": 1324700205335.714 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:10 on Thu 22 Dec to 17:31 on Fri 23 Dec.", "fact": "2011-12-22T23:09:49Z → 2011-12-23T20:30:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:28–01:16 on the 22nd, 00:29–01:17 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 0 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 15506 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2011: Thursday 22 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": "2011-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-12-22", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2011 falls on Thursday 22 December. Caturdaśī runs from 20:10 on Thu 22 Dec to 17:31 on Fri 23 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/shivaratri?on=2011-12-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-12-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2011, "local_date": "2011-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6827, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2011-12-27T10:36:39-03:00", "utc": "2011-12-27T13:36:39Z", "ms": 1324992998992.3293 }, "end": { "local": "2011-12-28T10:23:52-03:00", "utc": "2011-12-28T13:23:52Z", "ms": 1325078632065.1506 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2011-12-27T10:36:39-03:00", "utc": "2011-12-27T13:36:39Z", "ms": 1324992998992.3293 }, "end": { "local": "2011-12-28T10:23:52-03:00", "utc": "2011-12-28T13:23:52Z", "ms": 1325078632065.1506 } }, "kaala": "madhyahna", "days": [ { "local_date": "2011-12-27", "window": { "start": { "local": "2011-12-27T12:30:26-03:00", "utc": "2011-12-27T15:30:26Z", "ms": 1324999826402.9675 }, "end": { "local": "2011-12-27T13:18:26-03:00", "utc": "2011-12-27T16:18:26Z", "ms": 1325002706402.9675 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2011-12-28", "window": { "start": { "local": "2011-12-28T12:30:55-03:00", "utc": "2011-12-28T15:30:55Z", "ms": 1325086255443.124 }, "end": { "local": "2011-12-28T13:18:55-03:00", "utc": "2011-12-28T16:18:55Z", "ms": 1325089135443.124 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:37 on Tue 27 Dec to 10:24 on Wed 28 Dec.", "fact": "2011-12-27T13:36:39Z → 2011-12-28T13:23:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 27th, 12:31–13:19 on the 28th.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6827 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2011: Tuesday 27 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": "2011-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2011-12-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2011 falls on Tuesday 27 December. Caturthī runs from 10:37 on Tue 27 Dec to 10:24 on Wed 28 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2011/vinayaka-chaturthi?on=2011-12-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }