{ "id": "/buenos-aires/festivals/2004", "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": 2004, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/buenos-aires/festivals/2004/ekadashi?on=2004-01-02", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9489, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-01-02T00:22:30-03:00", "utc": "2004-01-02T03:22:30Z", "ms": 1073013750280.8002 }, "end": { "local": "2004-01-03T03:07:31-03:00", "utc": "2004-01-03T06:07:31Z", "ms": 1073110050720.0292 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-01-02T00:22:30-03:00", "utc": "2004-01-02T03:22:30Z", "ms": 1073013750280.8002 }, "end": { "local": "2004-01-03T03:07:31-03:00", "utc": "2004-01-03T06:07:31Z", "ms": 1073110050720.0292 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-01-02", "window": { "start": { "local": "2004-01-02T05:44:53-03:00", "utc": "2004-01-02T08:44:53Z", "ms": 1073033093417.1707 }, "end": { "local": "2004-01-02T05:44:53-03:00", "utc": "2004-01-02T08:44:53Z", "ms": 1073033093417.1707 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-01-03", "window": { "start": { "local": "2004-01-03T05:45:40-03:00", "utc": "2004-01-03T08:45:40Z", "ms": 1073119540033.5999 }, "end": { "local": "2004-01-03T05:45:40-03:00", "utc": "2004-01-03T08:45:40Z", "ms": 1073119540033.5999 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:23 on Fri 2 Jan to 03:08 on Sat 3 Jan.", "fact": "2004-01-02T03:22:30Z → 2004-01-03T06:07:31Z" }, { "step": "kaala", "text": "Sunrise is at 05:45 on the 2nd and 05:46 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9489 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Buenos Aires, 2004: Friday 2 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": "2004-01-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Putradā Ekādaśī 2004 falls on Friday 2 January. Ekādaśī runs from 00:23 on Fri 2 Jan to 03:08 on Sat 3 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-01-02", "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/2004/pradosha-vrata?on=2004-01-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30402, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-01-04T05:53:23-03:00", "utc": "2004-01-04T08:53:23Z", "ms": 1073206402901.0789 }, "end": { "local": "2004-01-05T08:28:52-03:00", "utc": "2004-01-05T11:28:52Z", "ms": 1073302131677.0594 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-01-04T05:53:23-03:00", "utc": "2004-01-04T08:53:23Z", "ms": 1073206402901.0789 }, "end": { "local": "2004-01-05T08:28:52-03:00", "utc": "2004-01-05T11:28:52Z", "ms": 1073302131677.0594 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-01-03", "window": { "start": { "local": "2004-01-03T20:09:47-03:00", "utc": "2004-01-03T23:09:47Z", "ms": 1073171387396.8718 }, "end": { "local": "2004-01-03T21:26:41-03:00", "utc": "2004-01-04T00:26:41Z", "ms": 1073176000784.993 } }, "covered_min": 0, "window_min": 77, "qualifies": false }, { "local_date": "2004-01-04", "window": { "start": { "local": "2004-01-04T20:09:54-03:00", "utc": "2004-01-04T23:09:54Z", "ms": 1073257793628.4669 }, "end": { "local": "2004-01-04T21:26:53-03:00", "utc": "2004-01-05T00:26:53Z", "ms": 1073262412703.7737 } }, "covered_min": 77, "window_min": 77, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:53 on Sun 4 Jan to 08:29 on Mon 5 Jan.", "fact": "2004-01-04T08:53:23Z → 2004-01-05T11:28:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:10–21:27 on the 3rd, 20:10–21:27 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 77 minutes on the 3rd and 77 of 77 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30402 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2004: Sunday 4 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2004 falls on Sunday 4 January. Trayodaśī runs from 05:53 on Sun 4 Jan to 08:29 on Mon 5 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-01-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-01-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24180, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-01-10T15:53:07-03:00", "utc": "2004-01-10T18:53:07Z", "ms": 1073760787367.7893 }, "end": { "local": "2004-01-11T16:08:26-03:00", "utc": "2004-01-11T19:08:26Z", "ms": 1073848105990.1179 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-10T15:53:07-03:00", "utc": "2004-01-10T18:53:07Z", "ms": 1073760787367.7893 }, "end": { "local": "2004-01-11T16:08:26-03:00", "utc": "2004-01-11T19:08:26Z", "ms": 1073848105990.1179 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-01-10", "window": { "start": { "local": "2004-01-10T22:36:07-03:00", "utc": "2004-01-11T01:36:07Z", "ms": 1073784966939.6613 }, "end": { "local": "2004-01-10T22:36:07-03:00", "utc": "2004-01-11T01:36:07Z", "ms": 1073784966939.6613 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-01-11", "window": { "start": { "local": "2004-01-11T23:06:15-03:00", "utc": "2004-01-12T02:06:15Z", "ms": 1073873175109.0471 }, "end": { "local": "2004-01-11T23:06:15-03:00", "utc": "2004-01-12T02:06:15Z", "ms": 1073873175109.0471 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:53 on Sat 10 Jan to 16:08 on Sun 11 Jan.", "fact": "2004-01-10T18:53:07Z → 2004-01-11T19:08:26Z" }, { "step": "kaala", "text": "Moonrise is at 22:36 on the 10th and 23:06 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24180 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2004: Saturday 10 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": "2004-01-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-10", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2004 falls on Saturday 10 January. Caturthī runs from 15:53 on Sat 10 Jan to 16:08 on Sun 11 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-01-10", "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/2004/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17784, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2004-01-14T15:12:46-03:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-02-13T04:11:03-03:00", "utc": "2004-02-13T07:11:03Z", "ms": 1076656263005.8335 } }, "span": { "of": "transit", "start": { "local": "2004-01-14T15:12:46-03:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-01-14T15:12:46-03:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 } }, "kaala": "sunset-day", "days": [ { "local_date": "2004-01-14", "window": { "start": { "local": "2004-01-13T20:09:23-03:00", "utc": "2004-01-13T23:09:23Z", "ms": 1074035363206.3782 }, "end": { "local": "2004-01-14T20:09:10-03:00", "utc": "2004-01-14T23:09:10Z", "ms": 1074121750263.3077 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2004-01-15", "window": { "start": { "local": "2004-01-14T20:09:10-03:00", "utc": "2004-01-14T23:09:10Z", "ms": 1074121750263.3077 }, "end": { "local": "2004-01-15T20:08:55-03:00", "utc": "2004-01-15T23:08:55Z", "ms": 1074208135432.4722 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2004-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 15:13 on Wed 14 Jan.", "fact": "2004-01-14T18:12:46Z · 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 17784 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Wednesday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Buenos Aires, 2004: Tuesday 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": "2004-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2004-01-13", "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": "2004-01-13", "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 2004 falls on Tuesday 13 January. It is kept the day before Pongal, which falls on Wednesday 14 January. The Sun enters Makara at 15:13 on Wed 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/2004/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/2004/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17784, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2004-01-14T15:12:46-03:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-02-13T04:11:03-03:00", "utc": "2004-02-13T07:11:03Z", "ms": 1076656263005.8335 } }, "span": { "of": "transit", "start": { "local": "2004-01-14T15:12:46-03:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-01-14T15:12:46-03:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 } }, "kaala": "sunset-day", "days": [ { "local_date": "2004-01-14", "window": { "start": { "local": "2004-01-13T20:09:23-03:00", "utc": "2004-01-13T23:09:23Z", "ms": 1074035363206.3782 }, "end": { "local": "2004-01-14T20:09:10-03:00", "utc": "2004-01-14T23:09:10Z", "ms": 1074121750263.3077 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2004-01-15", "window": { "start": { "local": "2004-01-14T20:09:10-03:00", "utc": "2004-01-14T23:09:10Z", "ms": 1074121750263.3077 }, "end": { "local": "2004-01-15T20:08:55-03:00", "utc": "2004-01-15T23:08:55Z", "ms": 1074208135432.4722 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 15:13 on Wed 14 Jan.", "fact": "2004-01-14T18:12:46Z · 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 17784 s" }, { "step": "ruling", "text": "Pongal, Buenos Aires, 2004: Wednesday 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": "2004-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2004-01-14", "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": "2004-01-14", "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 2004 falls on Wednesday 14 January. The Sun enters Makara at 15:13 on Wed 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/2004/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/2004/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31634, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2004-01-14T15:12:46-03:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-02-13T04:11:03-03:00", "utc": "2004-02-13T07:11:03Z", "ms": 1076656263005.8335 } }, "span": { "of": "transit", "start": { "local": "2004-01-14T15:12:46-03:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-01-14T15:12:46-03:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 } }, "kaala": "civil-day", "days": [ { "local_date": "2004-01-14", "window": { "start": { "local": "2004-01-14T00:00:00-03:00", "utc": "2004-01-14T03:00:00Z", "ms": 1074049200000 }, "end": { "local": "2004-01-15T00:00:00-03:00", "utc": "2004-01-15T03:00:00Z", "ms": 1074135600000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2004-01-15", "window": { "start": { "local": "2004-01-15T00:00:00-03:00", "utc": "2004-01-15T03:00:00Z", "ms": 1074135600000 }, "end": { "local": "2004-01-16T00:00:00-03:00", "utc": "2004-01-16T03:00:00Z", "ms": 1074222000000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 15:13 on Wed 14 Jan.", "fact": "2004-01-14T18:12:46Z · 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 15th.", "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 31634 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Buenos Aires, 2004: Wednesday 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": "2004-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2004-01-14", "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": "2004-01-14", "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 2004 falls on Wednesday 14 January. The Sun enters Makara at 15:13 on Wed 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17784, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2004-01-14T15:12:46-03:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-02-13T04:11:03-03:00", "utc": "2004-02-13T07:11:03Z", "ms": 1076656263005.8335 } }, "span": { "of": "transit", "start": { "local": "2004-01-14T15:12:46-03:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-01-14T15:12:46-03:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 } }, "kaala": "sunset-day", "days": [ { "local_date": "2004-01-14", "window": { "start": { "local": "2004-01-13T20:09:23-03:00", "utc": "2004-01-13T23:09:23Z", "ms": 1074035363206.3782 }, "end": { "local": "2004-01-14T20:09:10-03:00", "utc": "2004-01-14T23:09:10Z", "ms": 1074121750263.3077 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2004-01-15", "window": { "start": { "local": "2004-01-14T20:09:10-03:00", "utc": "2004-01-14T23:09:10Z", "ms": 1074121750263.3077 }, "end": { "local": "2004-01-15T20:08:55-03:00", "utc": "2004-01-15T23:08:55Z", "ms": 1074208135432.4722 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2004-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 15:13 on Wed 14 Jan.", "fact": "2004-01-14T18:12:46Z · 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 17784 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Wednesday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Buenos Aires, 2004: Thursday 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": "2004-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2004-01-15", "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": "2004-01-15", "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 2004 falls on Thursday 15 January. It is kept the day after Pongal, which falls on Wednesday 14 January. The Sun enters Makara at 15:13 on Wed 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/2004/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/2004/ekadashi?on=2004-01-18", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 552, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-01-17T08:47:56-03:00", "utc": "2004-01-17T11:47:56Z", "ms": 1074340075556.4989 }, "end": { "local": "2004-01-18T06:08:24-03:00", "utc": "2004-01-18T09:08:24Z", "ms": 1074416904205.611 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-17T08:47:56-03:00", "utc": "2004-01-17T11:47:56Z", "ms": 1074340075556.4989 }, "end": { "local": "2004-01-18T06:08:24-03:00", "utc": "2004-01-18T09:08:24Z", "ms": 1074416904205.611 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-01-17", "window": { "start": { "local": "2004-01-17T05:58:13-03:00", "utc": "2004-01-17T08:58:13Z", "ms": 1074329893290.3118 }, "end": { "local": "2004-01-17T05:58:13-03:00", "utc": "2004-01-17T08:58:13Z", "ms": 1074329893290.3118 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-01-18", "window": { "start": { "local": "2004-01-18T05:59:12-03:00", "utc": "2004-01-18T08:59:12Z", "ms": 1074416352452.3986 }, "end": { "local": "2004-01-18T05:59:12-03:00", "utc": "2004-01-18T08:59:12Z", "ms": 1074416352452.3986 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:48 on Sat 17 Jan to 06:08 on Sun 18 Jan.", "fact": "2004-01-17T11:47:56Z → 2004-01-18T09:08:24Z" }, { "step": "kaala", "text": "Sunrise is at 05:58 on the 17th and 05:59 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 552 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Buenos Aires, 2004: Sunday 18 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": "2004-01-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ṣaṭtilā Ekādaśī 2004 falls on Sunday 18 January. Ekādaśī runs from 08:48 on Sat 17 Jan to 06:08 on Sun 18 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-01-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/pradosha-vrata?on=2004-01-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9647, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-01-19T03:12:36-03:00", "utc": "2004-01-19T06:12:36Z", "ms": 1074492756204.6688 }, "end": { "local": "2004-01-20T00:07:33-03:00", "utc": "2004-01-20T03:07:33Z", "ms": 1074568053215.8812 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-19T03:12:36-03:00", "utc": "2004-01-19T06:12:36Z", "ms": 1074492756204.6688 }, "end": { "local": "2004-01-20T00:07:33-03:00", "utc": "2004-01-20T03:07:33Z", "ms": 1074568053215.8812 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-01-18", "window": { "start": { "local": "2004-01-18T20:08:00-03:00", "utc": "2004-01-18T23:08:00Z", "ms": 1074467279716.5474 }, "end": { "local": "2004-01-18T21:26:57-03:00", "utc": "2004-01-19T00:26:57Z", "ms": 1074472017364.7762 } }, "covered_min": 0, "window_min": 79, "qualifies": false }, { "local_date": "2004-01-19", "window": { "start": { "local": "2004-01-19T20:07:37-03:00", "utc": "2004-01-19T23:07:37Z", "ms": 1074553657440.5121 }, "end": { "local": "2004-01-19T21:26:46-03:00", "utc": "2004-01-20T00:26:46Z", "ms": 1074558406064.1267 } }, "covered_min": 79, "window_min": 79, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:13 on Mon 19 Jan to 00:08 on Tue 20 Jan.", "fact": "2004-01-19T06:12:36Z → 2004-01-20T03:07:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:08–21:27 on the 18th, 20:08–21:27 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 79 minutes on the 18th and 79 of 79 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9647 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2004: Monday 19 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": "2004-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2004 falls on Monday 19 January. Trayodaśī runs from 03:13 on Mon 19 Jan to 00:08 on Tue 20 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-01-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/shivaratri?on=2004-01-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1972, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-01-20T00:07:33-03:00", "utc": "2004-01-20T03:07:33Z", "ms": 1074568053215.8812 }, "end": { "local": "2004-01-20T21:01:47-03:00", "utc": "2004-01-21T00:01:47Z", "ms": 1074643306551.957 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-20T00:07:33-03:00", "utc": "2004-01-20T03:07:33Z", "ms": 1074568053215.8812 }, "end": { "local": "2004-01-20T21:01:47-03:00", "utc": "2004-01-21T00:01:47Z", "ms": 1074643306551.957 } }, "kaala": "nishita", "days": [ { "local_date": "2004-01-19", "window": { "start": { "local": "2004-01-20T00:40:25-03:00", "utc": "2004-01-20T03:40:25Z", "ms": 1074570024779.0669 }, "end": { "local": "2004-01-20T01:28:25-03:00", "utc": "2004-01-20T04:28:25Z", "ms": 1074572904779.0669 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-01-20", "window": { "start": { "local": "2004-01-21T00:40:43-03:00", "utc": "2004-01-21T03:40:43Z", "ms": 1074656442925.954 }, "end": { "local": "2004-01-21T01:28:43-03:00", "utc": "2004-01-21T04:28:43Z", "ms": 1074659322925.954 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:08 on Tue 20 Jan to 21:02 on Tue 20 Jan.", "fact": "2004-01-20T03:07:33Z → 2004-01-21T00:01:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:40–01:28 on the 19th, 00:41–01:29 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1972 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2004: Monday 19 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2004 falls on Monday 19 January. Caturdaśī runs from 00:08 on Tue 20 Jan to 21:02 on Tue 20 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/shivaratri?on=2004-01-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16470, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-01-20T00:07:33-03:00", "utc": "2004-01-20T03:07:33Z", "ms": 1074568053215.8812 }, "end": { "local": "2004-01-20T21:01:47-03:00", "utc": "2004-01-21T00:01:47Z", "ms": 1074643306551.957 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-20T00:07:33-03:00", "utc": "2004-01-20T03:07:33Z", "ms": 1074568053215.8812 }, "end": { "local": "2004-01-20T21:01:47-03:00", "utc": "2004-01-21T00:01:47Z", "ms": 1074643306551.957 } }, "kaala": "arunodaya", "days": [ { "local_date": "2004-01-20", "window": { "start": { "local": "2004-01-20T04:42:03-03:00", "utc": "2004-01-20T07:42:03Z", "ms": 1074584523494.0071 }, "end": { "local": "2004-01-20T06:01:12-03:00", "utc": "2004-01-20T09:01:12Z", "ms": 1074589272117.6217 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "2004-01-21", "window": { "start": { "local": "2004-01-21T04:42:53-03:00", "utc": "2004-01-21T07:42:53Z", "ms": 1074670972628.329 }, "end": { "local": "2004-01-21T06:02:13-03:00", "utc": "2004-01-21T09:02:13Z", "ms": 1074675732520.1017 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:08 on Tue 20 Jan to 21:02 on Tue 20 Jan.", "fact": "2004-01-20T03:07:33Z → 2004-01-21T00:01:47Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:42–06:01 on the 20th, 04:43–06:02 on the 21st.", "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 79 of 79 minutes on the 20th and 0 of 79 on the 21st.", "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 16470 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Buenos Aires, 2004: Tuesday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Yama Tarpaṇa 2004 falls on Tuesday 20 January. Caturdaśī runs from 00:08 on Tue 20 Jan to 21:02 on Tue 20 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3116, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-01-24T11:49:21-03:00", "utc": "2004-01-24T14:49:21Z", "ms": 1074955761050.9529 }, "end": { "local": "2004-01-25T11:06:16-03:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-24T11:49:21-03:00", "utc": "2004-01-24T14:49:21Z", "ms": 1074955761050.9529 }, "end": { "local": "2004-01-25T11:06:16-03:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-01-24", "window": { "start": { "local": "2004-01-24T12:41:17-03:00", "utc": "2004-01-24T15:41:17Z", "ms": 1074958877125.6904 }, "end": { "local": "2004-01-24T13:29:17-03:00", "utc": "2004-01-24T16:29:17Z", "ms": 1074961757125.6904 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-01-25", "window": { "start": { "local": "2004-01-25T12:41:31-03:00", "utc": "2004-01-25T15:41:31Z", "ms": 1075045291283.2273 }, "end": { "local": "2004-01-25T13:29:31-03:00", "utc": "2004-01-25T16:29:31Z", "ms": 1075048171283.2273 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:49 on Sat 24 Jan to 11:06 on Sun 25 Jan.", "fact": "2004-01-24T14:49:21Z → 2004-01-25T14:06:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:41–13:29 on the 24th, 12:42–13:30 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3116 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Buenos Aires, 2004: Saturday 24 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2004 falls on Saturday 24 January. Caturthī runs from 11:49 on Sat 24 Jan to 11:06 on Sun 25 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29758, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-01-24T11:49:21-03:00", "utc": "2004-01-24T14:49:21Z", "ms": 1074955761050.9529 }, "end": { "local": "2004-01-25T11:06:16-03:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-24T11:49:21-03:00", "utc": "2004-01-24T14:49:21Z", "ms": 1074955761050.9529 }, "end": { "local": "2004-01-25T11:06:16-03:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-01-24", "window": { "start": { "local": "2004-01-24T20:05:19-03:00", "utc": "2004-01-24T23:05:19Z", "ms": 1074985518833.5984 }, "end": { "local": "2004-01-24T21:25:27-03:00", "utc": "2004-01-25T00:25:27Z", "ms": 1074990326561.5768 } }, "covered_min": 80, "window_min": 80, "qualifies": true }, { "local_date": "2004-01-25", "window": { "start": { "local": "2004-01-25T20:04:46-03:00", "utc": "2004-01-25T23:04:46Z", "ms": 1075071885773.018 }, "end": { "local": "2004-01-25T21:25:06-03:00", "utc": "2004-01-26T00:25:06Z", "ms": 1075076706110.3033 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:49 on Sat 24 Jan to 11:06 on Sun 25 Jan.", "fact": "2004-01-24T14:49:21Z → 2004-01-25T14:06:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:05–21:25 on the 24th, 20:05–21:25 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 80 of 80 minutes on the 24th and 0 of 80 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29758 s" }, { "step": "ruling", "text": "Tila Caturthī, Buenos Aires, 2004: Saturday 24 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Tila Caturthī 2004 falls on Saturday 24 January. Caturthī runs from 11:49 on Sat 24 Jan to 11:06 on Sun 25 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5262, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-01-25T11:06:16-03:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 }, "end": { "local": "2004-01-26T11:14:02-03:00", "utc": "2004-01-26T14:14:02Z", "ms": 1075126442227.3116 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-25T11:06:16-03:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 }, "end": { "local": "2004-01-26T11:14:02-03:00", "utc": "2004-01-26T14:14:02Z", "ms": 1075126442227.3116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-01-25", "window": { "start": { "local": "2004-01-25T12:41:31-03:00", "utc": "2004-01-25T15:41:31Z", "ms": 1075045291283.2273 }, "end": { "local": "2004-01-25T13:29:31-03:00", "utc": "2004-01-25T16:29:31Z", "ms": 1075048171283.2273 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-01-26", "window": { "start": { "local": "2004-01-26T12:41:45-03:00", "utc": "2004-01-26T15:41:45Z", "ms": 1075131704640.009 }, "end": { "local": "2004-01-26T13:29:45-03:00", "utc": "2004-01-26T16:29:45Z", "ms": 1075134584640.009 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:06 on Sun 25 Jan to 11:14 on Mon 26 Jan.", "fact": "2004-01-25T14:06:16Z → 2004-01-26T14:14:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 25th, 12:42–13:30 on the 26th.", "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 25th and 0 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 5262 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Buenos Aires, 2004: Sunday 25 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śrī Pañcamī 2004 falls on Sunday 25 January. Pañcamī runs from 11:06 on Sun 25 Jan to 11:14 on Mon 26 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5262, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-01-25T11:06:16-03:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 }, "end": { "local": "2004-01-26T11:14:02-03:00", "utc": "2004-01-26T14:14:02Z", "ms": 1075126442227.3116 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-25T11:06:16-03:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 }, "end": { "local": "2004-01-26T11:14:02-03:00", "utc": "2004-01-26T14:14:02Z", "ms": 1075126442227.3116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-01-25", "window": { "start": { "local": "2004-01-25T12:41:31-03:00", "utc": "2004-01-25T15:41:31Z", "ms": 1075045291283.2273 }, "end": { "local": "2004-01-25T13:29:31-03:00", "utc": "2004-01-25T16:29:31Z", "ms": 1075048171283.2273 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-01-26", "window": { "start": { "local": "2004-01-26T12:41:45-03:00", "utc": "2004-01-26T15:41:45Z", "ms": 1075131704640.009 }, "end": { "local": "2004-01-26T13:29:45-03:00", "utc": "2004-01-26T16:29:45Z", "ms": 1075134584640.009 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:06 on Sun 25 Jan to 11:14 on Mon 26 Jan.", "fact": "2004-01-25T14:06:16Z → 2004-01-26T14:14:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 25th, 12:42–13:30 on the 26th.", "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 25th and 0 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: unstated → only-day · margin 5262 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Buenos Aires, 2004: Sunday 25 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vasanta Pañcamī 2004 falls on Sunday 25 January. Pañcamī runs from 11:06 on Sun 25 Jan to 11:14 on Mon 26 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21863, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-01-27T12:12:43-03:00", "utc": "2004-01-27T15:12:43Z", "ms": 1075216363169.8628 }, "end": { "local": "2004-01-28T13:57:03-03:00", "utc": "2004-01-28T16:57:03Z", "ms": 1075309023452.2399 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-27T12:12:43-03:00", "utc": "2004-01-27T15:12:43Z", "ms": 1075216363169.8628 }, "end": { "local": "2004-01-28T13:57:03-03:00", "utc": "2004-01-28T16:57:03Z", "ms": 1075309023452.2399 } }, "kaala": "arunodaya", "days": [ { "local_date": "2004-01-27", "window": { "start": { "local": "2004-01-27T04:47:47-03:00", "utc": "2004-01-27T07:47:47Z", "ms": 1075189666715.5328 }, "end": { "local": "2004-01-27T06:08:20-03:00", "utc": "2004-01-27T09:08:20Z", "ms": 1075194499906.021 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "2004-01-28", "window": { "start": { "local": "2004-01-28T04:48:35-03:00", "utc": "2004-01-28T07:48:35Z", "ms": 1075276115286.7377 }, "end": { "local": "2004-01-28T06:09:22-03:00", "utc": "2004-01-28T09:09:22Z", "ms": 1075280961566.2429 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:13 on Tue 27 Jan to 13:57 on Wed 28 Jan.", "fact": "2004-01-27T15:12:43Z → 2004-01-28T16:57:03Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:48–06:08 on the 27th, 04:49–06:09 on the 28th.", "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 81 minutes on the 27th and 81 of 81 on the 28th.", "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 21863 s" }, { "step": "ruling", "text": "Ratha Saptamī, Buenos Aires, 2004: Wednesday 28 January.", "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": "2004-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ratha Saptamī 2004 falls on Wednesday 28 January. Saptamī runs from 12:13 on Tue 27 Jan to 13:57 on Wed 28 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-02-01", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21655, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-01-31T21:40:29-03:00", "utc": "2004-02-01T00:40:29Z", "ms": 1075596028637.2307 }, "end": { "local": "2004-02-02T00:13:35-03:00", "utc": "2004-02-02T03:13:35Z", "ms": 1075691615013.4908 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-31T21:40:29-03:00", "utc": "2004-02-01T00:40:29Z", "ms": 1075596028637.2307 }, "end": { "local": "2004-02-02T00:13:35-03:00", "utc": "2004-02-02T03:13:35Z", "ms": 1075691615013.4908 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-02-01", "window": { "start": { "local": "2004-02-01T06:13:28-03:00", "utc": "2004-02-01T09:13:28Z", "ms": 1075626808101.6139 }, "end": { "local": "2004-02-01T06:13:28-03:00", "utc": "2004-02-01T09:13:28Z", "ms": 1075626808101.6139 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-02-02", "window": { "start": { "local": "2004-02-02T06:14:30-03:00", "utc": "2004-02-02T09:14:30Z", "ms": 1075713269557.8236 }, "end": { "local": "2004-02-02T06:14:30-03:00", "utc": "2004-02-02T09:14:30Z", "ms": 1075713269557.8236 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:40 on Sat 31 Jan to 00:14 on Mon 2 Feb.", "fact": "2004-02-01T00:40:29Z → 2004-02-02T03:13:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:13 on the 1st and 06:14 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21655 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Buenos Aires, 2004: Sunday 1 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": "2004-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Jayā Ekādaśī 2004 falls on Sunday 1 February. Ekādaśī runs from 21:40 on Sat 31 Jan to 00:14 on Mon 2 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-02-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37146, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-02-02T00:13:35-03:00", "utc": "2004-02-02T03:13:35Z", "ms": 1075691615013.4908 }, "end": { "local": "2004-02-03T02:23:56-03:00", "utc": "2004-02-03T05:23:56Z", "ms": 1075785835846.5728 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-02-02T00:13:35-03:00", "utc": "2004-02-02T03:13:35Z", "ms": 1075691615013.4908 }, "end": { "local": "2004-02-03T02:23:56-03:00", "utc": "2004-02-03T05:23:56Z", "ms": 1075785835846.5728 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-02-02", "window": { "start": { "local": "2004-02-02T12:42:55-03:00", "utc": "2004-02-02T15:42:55Z", "ms": 1075736575263.782 }, "end": { "local": "2004-02-02T13:30:55-03:00", "utc": "2004-02-02T16:30:55Z", "ms": 1075739455263.782 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-02-03", "window": { "start": { "local": "2004-02-03T12:43:02-03:00", "utc": "2004-02-03T15:43:02Z", "ms": 1075822982068.9604 }, "end": { "local": "2004-02-03T13:31:02-03:00", "utc": "2004-02-03T16:31:02Z", "ms": 1075825862068.9604 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:14 on Mon 2 Feb to 02:24 on Tue 3 Feb.", "fact": "2004-02-02T03:13:35Z → 2004-02-03T05:23:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 2nd, 12:43–13:31 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37146 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Buenos Aires, 2004: Monday 2 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Bhīṣma Dvādaśī 2004 falls on Monday 2 February. Dvādaśī runs from 00:14 on Mon 2 Feb to 02:24 on Tue 3 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/pradosha-vrata?on=2004-02-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18146, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-02-03T02:23:56-03:00", "utc": "2004-02-03T05:23:56Z", "ms": 1075785835846.5728 }, "end": { "local": "2004-02-04T04:04:15-03:00", "utc": "2004-02-04T07:04:15Z", "ms": 1075878254635.0853 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-02-03T02:23:56-03:00", "utc": "2004-02-03T05:23:56Z", "ms": 1075785835846.5728 }, "end": { "local": "2004-02-04T04:04:15-03:00", "utc": "2004-02-04T07:04:15Z", "ms": 1075878254635.0853 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-02-02", "window": { "start": { "local": "2004-02-02T19:59:21-03:00", "utc": "2004-02-02T22:59:21Z", "ms": 1075762760969.7405 }, "end": { "local": "2004-02-02T21:21:30-03:00", "utc": "2004-02-03T00:21:30Z", "ms": 1075767690292.3695 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2004-02-03", "window": { "start": { "local": "2004-02-03T19:58:33-03:00", "utc": "2004-02-03T22:58:33Z", "ms": 1075849113248.4624 }, "end": { "local": "2004-02-03T21:20:57-03:00", "utc": "2004-02-04T00:20:57Z", "ms": 1075854057091.7755 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:24 on Tue 3 Feb to 04:04 on Wed 4 Feb.", "fact": "2004-02-03T05:23:56Z → 2004-02-04T07:04:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:59–21:22 on the 2nd, 19:59–21:21 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 2nd and 82 of 82 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18146 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2004: Tuesday 3 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2004 falls on Tuesday 3 February. Trayodaśī runs from 02:24 on Tue 3 Feb to 04:04 on Wed 4 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24983, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-02-05T05:11:40-03:00", "utc": "2004-02-05T08:11:40Z", "ms": 1075968700453.3477 }, "end": { "local": "2004-02-06T05:46:54-03:00", "utc": "2004-02-06T08:46:54Z", "ms": 1076057214278.3915 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-02-05T05:11:40-03:00", "utc": "2004-02-05T08:11:40Z", "ms": 1075968700453.3477 }, "end": { "local": "2004-02-06T05:46:54-03:00", "utc": "2004-02-06T08:46:54Z", "ms": 1076057214278.3915 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-02-05", "window": { "start": { "local": "2004-02-05T12:43:13-03:00", "utc": "2004-02-05T15:43:13Z", "ms": 1075995793242.354 }, "end": { "local": "2004-02-05T13:31:13-03:00", "utc": "2004-02-05T16:31:13Z", "ms": 1075998673242.354 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-02-06", "window": { "start": { "local": "2004-02-06T12:43:18-03:00", "utc": "2004-02-06T15:43:18Z", "ms": 1076082197623.0938 }, "end": { "local": "2004-02-06T13:31:18-03:00", "utc": "2004-02-06T16:31:18Z", "ms": 1076085077623.0938 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:12 on Thu 5 Feb to 05:47 on Fri 6 Feb.", "fact": "2004-02-05T08:11:40Z → 2004-02-06T08:46:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 5th, 12:43–13:31 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24983 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Buenos Aires, 2004: Thursday 5 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-05", "confidence": "determinate" } ], "quote": "In Buenos Aires, Māghī Pūrṇimā 2004 falls on Thursday 5 February. Pūrṇimā runs from 05:12 on Thu 5 Feb to 05:47 on Fri 6 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/sankashta-chaturthi?on=2004-02-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21010, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-02-09T04:53:27-03:00", "utc": "2004-02-09T07:53:27Z", "ms": 1076313206628.5939 }, "end": { "local": "2004-02-10T03:55:29-03:00", "utc": "2004-02-10T06:55:29Z", "ms": 1076396129259.8276 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-02-09T04:53:27-03:00", "utc": "2004-02-09T07:53:27Z", "ms": 1076313206628.5939 }, "end": { "local": "2004-02-10T03:55:29-03:00", "utc": "2004-02-10T06:55:29Z", "ms": 1076396129259.8276 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-02-08", "window": { "start": { "local": "2004-02-08T21:37:28-03:00", "utc": "2004-02-09T00:37:28Z", "ms": 1076287048072.9789 }, "end": { "local": "2004-02-08T21:37:28-03:00", "utc": "2004-02-09T00:37:28Z", "ms": 1076287048072.9789 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-02-09", "window": { "start": { "local": "2004-02-09T22:05:19-03:00", "utc": "2004-02-10T01:05:19Z", "ms": 1076375119030.5422 }, "end": { "local": "2004-02-09T22:05:19-03:00", "utc": "2004-02-10T01:05:19Z", "ms": 1076375119030.5422 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:53 on Mon 9 Feb to 03:55 on Tue 10 Feb.", "fact": "2004-02-09T07:53:27Z → 2004-02-10T06:55:29Z" }, { "step": "kaala", "text": "Moonrise is at 21:37 on the 8th and 22:05 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 8th and is on the 9th.", "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 21010 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2004: Monday 9 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": "2004-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2004 falls on Monday 9 February. Caturthī runs from 04:53 on Mon 9 Feb to 03:55 on Tue 10 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-02-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/ekadashi?on=2004-02-16", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30562, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-02-15T17:20:19-03:00", "utc": "2004-02-15T20:20:19Z", "ms": 1076876418989.224 }, "end": { "local": "2004-02-16T14:57:51-03:00", "utc": "2004-02-16T17:57:51Z", "ms": 1076954270608.5264 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-02-15T17:20:19-03:00", "utc": "2004-02-15T20:20:19Z", "ms": 1076876418989.224 }, "end": { "local": "2004-02-16T14:57:51-03:00", "utc": "2004-02-16T17:57:51Z", "ms": 1076954270608.5264 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-02-15", "window": { "start": { "local": "2004-02-15T06:27:31-03:00", "utc": "2004-02-15T09:27:31Z", "ms": 1076837250600.3875 }, "end": { "local": "2004-02-15T06:27:31-03:00", "utc": "2004-02-15T09:27:31Z", "ms": 1076837250600.3875 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-02-16", "window": { "start": { "local": "2004-02-16T06:28:29-03:00", "utc": "2004-02-16T09:28:29Z", "ms": 1076923708825.3904 }, "end": { "local": "2004-02-16T06:28:29-03:00", "utc": "2004-02-16T09:28:29Z", "ms": 1076923708825.3904 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:20 on Sun 15 Feb to 14:58 on Mon 16 Feb.", "fact": "2004-02-15T20:20:19Z → 2004-02-16T17:57:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:28 on the 15th and 06:28 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30562 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Buenos Aires, 2004: Monday 16 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": "2004-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vijayā Ekādaśī 2004 falls on Monday 16 February. Ekādaśī runs from 17:20 on Sun 15 Feb to 14:58 on Mon 16 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-02-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/pradosha-vrata?on=2004-02-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25902, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-02-17T12:33:23-03:00", "utc": "2004-02-17T15:33:23Z", "ms": 1077032002589.9095 }, "end": { "local": "2004-02-18T10:13:19-03:00", "utc": "2004-02-18T13:13:19Z", "ms": 1077109999273.4551 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-02-17T12:33:23-03:00", "utc": "2004-02-17T15:33:23Z", "ms": 1077032002589.9095 }, "end": { "local": "2004-02-18T10:13:19-03:00", "utc": "2004-02-18T13:13:19Z", "ms": 1077109999273.4551 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-02-17", "window": { "start": { "local": "2004-02-17T19:45:05-03:00", "utc": "2004-02-17T22:45:05Z", "ms": 1077057904589.6575 }, "end": { "local": "2004-02-17T21:11:07-03:00", "utc": "2004-02-18T00:11:07Z", "ms": 1077063067216.803 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2004-02-18", "window": { "start": { "local": "2004-02-18T19:43:58-03:00", "utc": "2004-02-18T22:43:58Z", "ms": 1077144238078.4642 }, "end": { "local": "2004-02-18T21:10:17-03:00", "utc": "2004-02-19T00:10:17Z", "ms": 1077149417203.0007 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:33 on Tue 17 Feb to 10:13 on Wed 18 Feb.", "fact": "2004-02-17T15:33:23Z → 2004-02-18T13:13:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:45–21:11 on the 17th, 19:44–21:10 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 86 of 86 minutes on the 17th and 0 of 86 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25902 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2004: Tuesday 17 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2004 falls on Tuesday 17 February. Trayodaśī runs from 12:33 on Tue 17 Feb to 10:13 on Wed 18 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-02-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23618, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-02-18T10:13:19-03:00", "utc": "2004-02-18T13:13:19Z", "ms": 1077109999273.4551 }, "end": { "local": "2004-02-19T08:05:18-03:00", "utc": "2004-02-19T11:05:18Z", "ms": 1077188718210.9868 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-02-18T10:13:19-03:00", "utc": "2004-02-18T13:13:19Z", "ms": 1077109999273.4551 }, "end": { "local": "2004-02-19T08:05:18-03:00", "utc": "2004-02-19T11:05:18Z", "ms": 1077188718210.9868 } }, "kaala": "nishita", "days": [ { "local_date": "2004-02-17", "window": { "start": { "local": "2004-02-18T00:43:44-03:00", "utc": "2004-02-18T03:43:44Z", "ms": 1077075824441.4531 }, "end": { "local": "2004-02-18T01:31:44-03:00", "utc": "2004-02-18T04:31:44Z", "ms": 1077078704441.4531 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-02-18", "window": { "start": { "local": "2004-02-19T00:43:40-03:00", "utc": "2004-02-19T03:43:40Z", "ms": 1077162219795.4763 }, "end": { "local": "2004-02-19T01:31:40-03:00", "utc": "2004-02-19T04:31:40Z", "ms": 1077165099795.4763 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:13 on Wed 18 Feb to 08:05 on Thu 19 Feb.", "fact": "2004-02-18T13:13:19Z → 2004-02-19T11:05:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:44–01:32 on the 17th, 00:44–01:32 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 23618 s" }, { "step": "ruling", "text": "Mahāśivarātri, Buenos Aires, 2004: Wednesday 18 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahāśivarātri 2004 falls on Wednesday 18 February. Caturdaśī runs from 10:13 on Wed 18 Feb to 08:05 on Thu 19 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/vinayaka-chaturthi?on=2004-02-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27648, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-02-23T04:16:43-03:00", "utc": "2004-02-23T07:16:43Z", "ms": 1077520602808.07 }, "end": { "local": "2004-02-24T05:01:43-03:00", "utc": "2004-02-24T08:01:43Z", "ms": 1077609702540.4286 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-02-23T04:16:43-03:00", "utc": "2004-02-23T07:16:43Z", "ms": 1077520602808.07 }, "end": { "local": "2004-02-24T05:01:43-03:00", "utc": "2004-02-24T08:01:43Z", "ms": 1077609702540.4286 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-02-23", "window": { "start": { "local": "2004-02-23T12:42:39-03:00", "utc": "2004-02-23T15:42:39Z", "ms": 1077550958880.9922 }, "end": { "local": "2004-02-23T13:30:39-03:00", "utc": "2004-02-23T16:30:39Z", "ms": 1077553838880.9922 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-02-24", "window": { "start": { "local": "2004-02-24T12:42:31-03:00", "utc": "2004-02-24T15:42:31Z", "ms": 1077637350507.2881 }, "end": { "local": "2004-02-24T13:30:31-03:00", "utc": "2004-02-24T16:30:31Z", "ms": 1077640230507.2881 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:17 on Mon 23 Feb to 05:02 on Tue 24 Feb.", "fact": "2004-02-23T07:16:43Z → 2004-02-24T08:01:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 23rd, 12:43–13:31 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27648 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2004: Monday 23 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2004 falls on Monday 23 February. Caturthī runs from 04:17 on Mon 23 Feb to 05:02 on Tue 24 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/vinayaka-chaturthi?on=2004-02-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/ekadashi?on=2004-03-02", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38273, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-03-01T18:27:05-03:00", "utc": "2004-03-01T21:27:05Z", "ms": 1078176425110.4895 }, "end": { "local": "2004-03-02T20:05:18-03:00", "utc": "2004-03-02T23:05:18Z", "ms": 1078268718343.3646 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-03-01T18:27:05-03:00", "utc": "2004-03-01T21:27:05Z", "ms": 1078176425110.4895 }, "end": { "local": "2004-03-02T20:05:18-03:00", "utc": "2004-03-02T23:05:18Z", "ms": 1078268718343.3646 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-03-02", "window": { "start": { "local": "2004-03-02T06:42:19-03:00", "utc": "2004-03-02T09:42:19Z", "ms": 1078220538731.261 }, "end": { "local": "2004-03-02T06:42:19-03:00", "utc": "2004-03-02T09:42:19Z", "ms": 1078220538731.261 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-03-03", "window": { "start": { "local": "2004-03-03T06:43:11-03:00", "utc": "2004-03-03T09:43:11Z", "ms": 1078306991028.7986 }, "end": { "local": "2004-03-03T06:43:11-03:00", "utc": "2004-03-03T09:43:11Z", "ms": 1078306991028.7986 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:27 on Mon 1 Mar to 20:05 on Tue 2 Mar.", "fact": "2004-03-01T21:27:05Z → 2004-03-02T23:05:18Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 2nd and 06:43 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38273 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Buenos Aires, 2004: Tuesday 2 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": "2004-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Āmalakī Ekādaśī 2004 falls on Tuesday 2 March. Ekādaśī runs from 18:27 on Mon 1 Mar to 20:05 on Tue 2 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-03-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/pradosha-vrata?on=2004-03-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 457, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-03-03T21:04:49-03:00", "utc": "2004-03-04T00:04:49Z", "ms": 1078358688650.2623 }, "end": { "local": "2004-03-04T21:24:10-03:00", "utc": "2004-03-05T00:24:10Z", "ms": 1078446250188.4441 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-03-03T21:04:49-03:00", "utc": "2004-03-04T00:04:49Z", "ms": 1078358688650.2623 }, "end": { "local": "2004-03-04T21:24:10-03:00", "utc": "2004-03-05T00:24:10Z", "ms": 1078446250188.4441 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-03-03", "window": { "start": { "local": "2004-03-03T19:26:55-03:00", "utc": "2004-03-03T22:26:55Z", "ms": 1078352815071.7858 }, "end": { "local": "2004-03-03T20:57:12-03:00", "utc": "2004-03-03T23:57:12Z", "ms": 1078358232124.6494 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "2004-03-04", "window": { "start": { "local": "2004-03-04T19:25:37-03:00", "utc": "2004-03-04T22:25:37Z", "ms": 1078439136694.3042 }, "end": { "local": "2004-03-04T20:56:11-03:00", "utc": "2004-03-04T23:56:11Z", "ms": 1078444571076.3446 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:05 on Wed 3 Mar to 21:24 on Thu 4 Mar.", "fact": "2004-03-04T00:04:49Z → 2004-03-05T00:24:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:27–20:57 on the 3rd, 19:26–20:56 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 3rd and 91 of 91 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 457 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2004: Thursday 4 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-04", "confidence": "boundary" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2004 falls on Thursday 4 March. Trayodaśī runs from 21:05 on Wed 3 Mar to 21:24 on Thu 4 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-03-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3078, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-03-05T21:05:43-03:00", "utc": "2004-03-06T00:05:43Z", "ms": 1078531542537.389 }, "end": { "local": "2004-03-06T20:14:16-03:00", "utc": "2004-03-06T23:14:16Z", "ms": 1078614856451.0642 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-03-05T21:05:43-03:00", "utc": "2004-03-06T00:05:43Z", "ms": 1078531542537.389 }, "end": { "local": "2004-03-06T20:14:16-03:00", "utc": "2004-03-06T23:14:16Z", "ms": 1078614856451.0642 } }, "kaala": "sayahna", "days": [ { "local_date": "2004-03-05", "window": { "start": { "local": "2004-03-05T16:52:25-03:00", "utc": "2004-03-05T19:52:25Z", "ms": 1078516345138.3481 }, "end": { "local": "2004-03-05T19:24:18-03:00", "utc": "2004-03-05T22:24:18Z", "ms": 1078525457783.0334 } }, "covered_min": 0, "window_min": 152, "qualifies": false }, { "local_date": "2004-03-06", "window": { "start": { "local": "2004-03-06T16:51:32-03:00", "utc": "2004-03-06T19:51:32Z", "ms": 1078602691859.6512 }, "end": { "local": "2004-03-06T19:22:58-03:00", "utc": "2004-03-06T22:22:58Z", "ms": 1078611778370.9945 } }, "covered_min": 151, "window_min": 151, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:06 on Fri 5 Mar to 20:14 on Sat 6 Mar.", "fact": "2004-03-06T00:05:43Z → 2004-03-06T23:14:16Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:52–19:24 on the 5th, 16:52–19:23 on the 6th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 152 minutes on the 5th and 151 of 151 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3078 s" }, { "step": "ruling", "text": "Holikā Dahana, Buenos Aires, 2004: Saturday 6 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holika-dahana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.", "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Holikā Dahana 2004 falls on Saturday 6 March. Pūrṇimā runs from 21:06 on Fri 5 Mar to 20:14 on Sat 6 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3078, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-03-05T21:05:43-03:00", "utc": "2004-03-06T00:05:43Z", "ms": 1078531542537.389 }, "end": { "local": "2004-03-06T20:14:16-03:00", "utc": "2004-03-06T23:14:16Z", "ms": 1078614856451.0642 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-03-05T21:05:43-03:00", "utc": "2004-03-06T00:05:43Z", "ms": 1078531542537.389 }, "end": { "local": "2004-03-06T20:14:16-03:00", "utc": "2004-03-06T23:14:16Z", "ms": 1078614856451.0642 } }, "kaala": "sayahna", "days": [ { "local_date": "2004-03-05", "window": { "start": { "local": "2004-03-05T16:52:25-03:00", "utc": "2004-03-05T19:52:25Z", "ms": 1078516345138.3481 }, "end": { "local": "2004-03-05T19:24:18-03:00", "utc": "2004-03-05T22:24:18Z", "ms": 1078525457783.0334 } }, "covered_min": 0, "window_min": 152, "qualifies": false }, { "local_date": "2004-03-06", "window": { "start": { "local": "2004-03-06T16:51:32-03:00", "utc": "2004-03-06T19:51:32Z", "ms": 1078602691859.6512 }, "end": { "local": "2004-03-06T19:22:58-03:00", "utc": "2004-03-06T22:22:58Z", "ms": 1078611778370.9945 } }, "covered_min": 151, "window_min": 151, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2004-03-06", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:06 on Fri 5 Mar to 20:14 on Sat 6 Mar.", "fact": "2004-03-06T00:05:43Z → 2004-03-06T23:14:16Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:52–19:24 on the 5th, 16:52–19:23 on the 6th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 152 minutes on the 5th and 151 of 151 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3078 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Saturday 6 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Buenos Aires, 2004: Sunday 7 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holi", "follows": { "festival": "holika-dahana", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Holī 2004 falls on Sunday 7 March. It is kept the day after Holikā Dahana, which falls on Saturday 6 March. Pūrṇimā runs from 21:06 on Fri 5 Mar to 20:14 on Sat 6 Mar and covers all of sāyāhna on the 6th.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37940, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-03-06T20:14:16-03:00", "utc": "2004-03-06T23:14:16Z", "ms": 1078614856451.0642 }, "end": { "local": "2004-03-07T18:56:02-03:00", "utc": "2004-03-07T21:56:02Z", "ms": 1078696562168.0216 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-06T20:14:16-03:00", "utc": "2004-03-06T23:14:16Z", "ms": 1078614856451.0642 }, "end": { "local": "2004-03-07T18:56:02-03:00", "utc": "2004-03-07T21:56:02Z", "ms": 1078696562168.0216 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-03-07", "window": { "start": { "local": "2004-03-07T06:46:37-03:00", "utc": "2004-03-07T09:46:37Z", "ms": 1078652796745.1514 }, "end": { "local": "2004-03-07T06:46:37-03:00", "utc": "2004-03-07T09:46:37Z", "ms": 1078652796745.1514 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-03-08", "window": { "start": { "local": "2004-03-08T06:47:27-03:00", "utc": "2004-03-08T09:47:27Z", "ms": 1078739247366.3029 }, "end": { "local": "2004-03-08T06:47:27-03:00", "utc": "2004-03-08T09:47:27Z", "ms": 1078739247366.3029 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:14 on Sat 6 Mar to 18:56 on Sun 7 Mar.", "fact": "2004-03-06T23:14:16Z → 2004-03-07T21:56:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 7th and 06:47 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37940 s" }, { "step": "ruling", "text": "Vasantotsava, Buenos Aires, 2004: Sunday 7 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vasantotsava 2004 falls on Sunday 7 March. Pratipadā runs from 20:14 on Sat 6 Mar to 18:56 on Sun 7 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/sankashta-chaturthi?on=2004-03-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20409, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-03-09T15:24:50-03:00", "utc": "2004-03-09T18:24:50Z", "ms": 1078856689769.5262 }, "end": { "local": "2004-03-10T13:23:18-03:00", "utc": "2004-03-10T16:23:18Z", "ms": 1078935798026.0262 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-09T15:24:50-03:00", "utc": "2004-03-09T18:24:50Z", "ms": 1078856689769.5262 }, "end": { "local": "2004-03-10T13:23:18-03:00", "utc": "2004-03-10T16:23:18Z", "ms": 1078935798026.0262 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-03-09", "window": { "start": { "local": "2004-03-09T21:04:59-03:00", "utc": "2004-03-10T00:04:59Z", "ms": 1078877098718.0889 }, "end": { "local": "2004-03-09T21:04:59-03:00", "utc": "2004-03-10T00:04:59Z", "ms": 1078877098718.0889 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-03-10", "window": { "start": { "local": "2004-03-10T21:37:44-03:00", "utc": "2004-03-11T00:37:44Z", "ms": 1078965464111.6394 }, "end": { "local": "2004-03-10T21:37:44-03:00", "utc": "2004-03-11T00:37:44Z", "ms": 1078965464111.6394 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:25 on Tue 9 Mar to 13:23 on Wed 10 Mar.", "fact": "2004-03-09T18:24:50Z → 2004-03-10T16:23:18Z" }, { "step": "kaala", "text": "Moonrise is at 21:05 on the 9th and 21:38 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20409 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2004: Tuesday 9 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2004 falls on Tuesday 9 March. Caturthī runs from 15:25 on Tue 9 Mar to 13:23 on Wed 10 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20131, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-03-13T07:03:03-03:00", "utc": "2004-03-13T10:03:03Z", "ms": 1079172182705.024 }, "end": { "local": "2004-03-14T04:59:18-03:00", "utc": "2004-03-14T07:59:18Z", "ms": 1079251157694.8066 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-13T07:03:03-03:00", "utc": "2004-03-13T10:03:03Z", "ms": 1079172182705.024 }, "end": { "local": "2004-03-14T04:59:18-03:00", "utc": "2004-03-14T07:59:18Z", "ms": 1079251157694.8066 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-13", "window": { "start": { "local": "2004-03-13T12:38:34-03:00", "utc": "2004-03-13T15:38:34Z", "ms": 1079192313772.1172 }, "end": { "local": "2004-03-13T13:26:34-03:00", "utc": "2004-03-13T16:26:34Z", "ms": 1079195193772.1172 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-03-14", "window": { "start": { "local": "2004-03-14T12:38:17-03:00", "utc": "2004-03-14T15:38:17Z", "ms": 1079278697176.6145 }, "end": { "local": "2004-03-14T13:26:17-03:00", "utc": "2004-03-14T16:26:17Z", "ms": 1079281577176.6145 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:03 on Sat 13 Mar to 04:59 on Sun 14 Mar.", "fact": "2004-03-13T10:03:03Z → 2004-03-14T07:59:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 13th, 12:38–13:26 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20131 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Buenos Aires, 2004: Saturday 13 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śītalāṣṭamī 2004 falls on Saturday 13 March. Aṣṭamī runs from 07:03 on Sat 13 Mar to 04:59 on Sun 14 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-03-16", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20758, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-03-16T01:08:04-03:00", "utc": "2004-03-16T04:08:04Z", "ms": 1079410084471.6052 }, "end": { "local": "2004-03-16T23:25:47-03:00", "utc": "2004-03-17T02:25:47Z", "ms": 1079490347456.0917 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-16T01:08:04-03:00", "utc": "2004-03-16T04:08:04Z", "ms": 1079410084471.6052 }, "end": { "local": "2004-03-16T23:25:47-03:00", "utc": "2004-03-17T02:25:47Z", "ms": 1079490347456.0917 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-03-16", "window": { "start": { "local": "2004-03-16T06:54:03-03:00", "utc": "2004-03-16T09:54:03Z", "ms": 1079430842895.604 }, "end": { "local": "2004-03-16T06:54:03-03:00", "utc": "2004-03-16T09:54:03Z", "ms": 1079430842895.604 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-03-17", "window": { "start": { "local": "2004-03-17T06:54:51-03:00", "utc": "2004-03-17T09:54:51Z", "ms": 1079517291335.0225 }, "end": { "local": "2004-03-17T06:54:51-03:00", "utc": "2004-03-17T09:54:51Z", "ms": 1079517291335.0225 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:08 on Tue 16 Mar to 23:26 on Tue 16 Mar.", "fact": "2004-03-16T04:08:04Z → 2004-03-17T02:25:47Z" }, { "step": "kaala", "text": "Sunrise is at 06:54 on the 16th and 06:55 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20758 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Buenos Aires, 2004: Tuesday 16 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": "2004-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Pāpamocanī Ekādaśī 2004 falls on Tuesday 16 March. Ekādaśī runs from 01:08 on Tue 16 Mar to 23:26 on Tue 16 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-03-16", "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/2004/pradosha-vrata?on=2004-03-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 334, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-03-17T21:57:11-03:00", "utc": "2004-03-18T00:57:11Z", "ms": 1079571430841.1803 }, "end": { "local": "2004-03-18T20:46:50-03:00", "utc": "2004-03-18T23:46:50Z", "ms": 1079653610435.7192 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-17T21:57:11-03:00", "utc": "2004-03-18T00:57:11Z", "ms": 1079571430841.1803 }, "end": { "local": "2004-03-18T20:46:50-03:00", "utc": "2004-03-18T23:46:50Z", "ms": 1079653610435.7192 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-03-17", "window": { "start": { "local": "2004-03-17T19:08:01-03:00", "utc": "2004-03-17T22:08:01Z", "ms": 1079561280990.5632 }, "end": { "local": "2004-03-17T20:42:22-03:00", "utc": "2004-03-17T23:42:22Z", "ms": 1079566942136.02 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2004-03-18", "window": { "start": { "local": "2004-03-18T19:06:38-03:00", "utc": "2004-03-18T22:06:38Z", "ms": 1079647598036.6024 }, "end": { "local": "2004-03-18T20:41:17-03:00", "utc": "2004-03-18T23:41:17Z", "ms": 1079653276650.6466 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:57 on Wed 17 Mar to 20:47 on Thu 18 Mar.", "fact": "2004-03-18T00:57:11Z → 2004-03-18T23:46:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:08–20:42 on the 17th, 19:07–20:41 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 17th and 95 of 95 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 334 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2004: Thursday 18 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": "2004-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2004 falls on Thursday 18 March. Trayodaśī runs from 21:57 on Wed 17 Mar to 20:47 on Thu 18 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/shivaratri?on=2004-03-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13842, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-03-18T20:46:50-03:00", "utc": "2004-03-18T23:46:50Z", "ms": 1079653610435.7192 }, "end": { "local": "2004-03-19T19:59:52-03:00", "utc": "2004-03-19T22:59:52Z", "ms": 1079737192121.2274 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-18T20:46:50-03:00", "utc": "2004-03-18T23:46:50Z", "ms": 1079653610435.7192 }, "end": { "local": "2004-03-19T19:59:52-03:00", "utc": "2004-03-19T22:59:52Z", "ms": 1079737192121.2274 } }, "kaala": "nishita", "days": [ { "local_date": "2004-03-18", "window": { "start": { "local": "2004-03-19T00:37:33-03:00", "utc": "2004-03-19T03:37:33Z", "ms": 1079667452839.2681 }, "end": { "local": "2004-03-19T01:25:33-03:00", "utc": "2004-03-19T04:25:33Z", "ms": 1079670332839.2681 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-03-19", "window": { "start": { "local": "2004-03-20T00:37:15-03:00", "utc": "2004-03-20T03:37:15Z", "ms": 1079753835249.8601 }, "end": { "local": "2004-03-20T01:25:15-03:00", "utc": "2004-03-20T04:25:15Z", "ms": 1079756715249.8601 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:47 on Thu 18 Mar to 20:00 on Fri 19 Mar.", "fact": "2004-03-18T23:46:50Z → 2004-03-19T22:59:52Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:38–01:26 on the 18th, 00:37–01:25 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13842 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2004: Thursday 18 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2004 falls on Thursday 18 March. Caturdaśī runs from 20:47 on Thu 18 Mar to 20:00 on Fri 19 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/shivaratri?on=2004-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22607, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-03-20T19:41:21-03:00", "utc": "2004-03-20T22:41:21Z", "ms": 1079822481057.9146 }, "end": { "local": "2004-03-21T19:55:38-03:00", "utc": "2004-03-21T22:55:38Z", "ms": 1079909737958.1171 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-20T19:41:21-03:00", "utc": "2004-03-20T22:41:21Z", "ms": 1079822481057.9146 }, "end": { "local": "2004-03-21T19:55:38-03:00", "utc": "2004-03-21T22:55:38Z", "ms": 1079909737958.1171 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-20", "window": { "start": { "local": "2004-03-20T12:36:34-03:00", "utc": "2004-03-20T15:36:34Z", "ms": 1079796993680.1262 }, "end": { "local": "2004-03-20T13:24:34-03:00", "utc": "2004-03-20T16:24:34Z", "ms": 1079799873680.1262 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-03-21", "window": { "start": { "local": "2004-03-21T12:36:16-03:00", "utc": "2004-03-21T15:36:16Z", "ms": 1079883375938.3701 }, "end": { "local": "2004-03-21T13:24:16-03:00", "utc": "2004-03-21T16:24:16Z", "ms": 1079886255938.3701 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:41 on Sat 20 Mar to 19:56 on Sun 21 Mar.", "fact": "2004-03-20T22:41:21Z → 2004-03-21T22:55:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 20th, 12:36–13:24 on the 21st.", "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 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22607 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Buenos Aires, 2004: Sunday 21 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Navarātrārambha (Caitra) (Chaitra Navratri) 2004 falls on Sunday 21 March. Pratipadā runs from 19:41 on Sat 20 Mar to 19:56 on Sun 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26486, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-03-22T20:45:24-03:00", "utc": "2004-03-22T23:45:24Z", "ms": 1079999124233.8273 }, "end": { "local": "2004-03-23T22:10:41-03:00", "utc": "2004-03-24T01:10:41Z", "ms": 1080090641298.1957 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-22T20:45:24-03:00", "utc": "2004-03-22T23:45:24Z", "ms": 1079999124233.8273 }, "end": { "local": "2004-03-23T22:10:41-03:00", "utc": "2004-03-24T01:10:41Z", "ms": 1080090641298.1957 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-22", "window": { "start": { "local": "2004-03-22T12:35:58-03:00", "utc": "2004-03-22T15:35:58Z", "ms": 1079969758100.8884 }, "end": { "local": "2004-03-22T13:23:58-03:00", "utc": "2004-03-22T16:23:58Z", "ms": 1079972638100.8884 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-03-23", "window": { "start": { "local": "2004-03-23T12:35:40-03:00", "utc": "2004-03-23T15:35:40Z", "ms": 1080056140184.8792 }, "end": { "local": "2004-03-23T13:23:40-03:00", "utc": "2004-03-23T16:23:40Z", "ms": 1080059020184.8792 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 20:45 on Mon 22 Mar to 22:11 on Tue 23 Mar.", "fact": "2004-03-22T23:45:24Z → 2004-03-24T01:10:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 22nd, 12:36–13:24 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26486 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Buenos Aires, 2004: Tuesday 23 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gaurī Tṛtīyā (Gangaur) 2004 falls on Tuesday 23 March. Tṛtīyā runs from 20:45 on Mon 22 Mar to 22:11 on Tue 23 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26486, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-03-22T20:45:24-03:00", "utc": "2004-03-22T23:45:24Z", "ms": 1079999124233.8273 }, "end": { "local": "2004-03-23T22:10:41-03:00", "utc": "2004-03-24T01:10:41Z", "ms": 1080090641298.1957 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-22T20:45:24-03:00", "utc": "2004-03-22T23:45:24Z", "ms": 1079999124233.8273 }, "end": { "local": "2004-03-23T22:10:41-03:00", "utc": "2004-03-24T01:10:41Z", "ms": 1080090641298.1957 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-22", "window": { "start": { "local": "2004-03-22T12:35:58-03:00", "utc": "2004-03-22T15:35:58Z", "ms": 1079969758100.8884 }, "end": { "local": "2004-03-22T13:23:58-03:00", "utc": "2004-03-22T16:23:58Z", "ms": 1079972638100.8884 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-03-23", "window": { "start": { "local": "2004-03-23T12:35:40-03:00", "utc": "2004-03-23T15:35:40Z", "ms": 1080056140184.8792 }, "end": { "local": "2004-03-23T13:23:40-03:00", "utc": "2004-03-23T16:23:40Z", "ms": 1080059020184.8792 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 20:45 on Mon 22 Mar to 22:11 on Tue 23 Mar.", "fact": "2004-03-22T23:45:24Z → 2004-03-24T01:10:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 22nd, 12:36–13:24 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26486 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Buenos Aires, 2004: Tuesday 23 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saubhāgya Śayana Vrata 2004 falls on Tuesday 23 March. Tṛtīyā runs from 20:45 on Mon 22 Mar to 22:11 on Tue 23 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/vinayaka-chaturthi?on=2004-03-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31621, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-03-23T22:10:41-03:00", "utc": "2004-03-24T01:10:41Z", "ms": 1080090641298.1957 }, "end": { "local": "2004-03-25T00:07:55-03:00", "utc": "2004-03-25T03:07:55Z", "ms": 1080184075460.9939 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-23T22:10:41-03:00", "utc": "2004-03-24T01:10:41Z", "ms": 1080090641298.1957 }, "end": { "local": "2004-03-25T00:07:55-03:00", "utc": "2004-03-25T03:07:55Z", "ms": 1080184075460.9939 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-23", "window": { "start": { "local": "2004-03-23T12:35:40-03:00", "utc": "2004-03-23T15:35:40Z", "ms": 1080056140184.8792 }, "end": { "local": "2004-03-23T13:23:40-03:00", "utc": "2004-03-23T16:23:40Z", "ms": 1080059020184.8792 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-03-24", "window": { "start": { "local": "2004-03-24T12:35:22-03:00", "utc": "2004-03-24T15:35:22Z", "ms": 1080142522207.896 }, "end": { "local": "2004-03-24T13:23:22-03:00", "utc": "2004-03-24T16:23:22Z", "ms": 1080145402207.896 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:11 on Tue 23 Mar to 00:08 on Thu 25 Mar.", "fact": "2004-03-24T01:10:41Z → 2004-03-25T03:07:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 23rd, 12:35–13:23 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31621 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2004: Wednesday 24 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": "2004-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2004 falls on Wednesday 24 March. Caturthī runs from 22:11 on Tue 23 Mar to 00:08 on Thu 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/vinayaka-chaturthi?on=2004-03-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36319, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-03-25T00:07:55-03:00", "utc": "2004-03-25T03:07:55Z", "ms": 1080184075460.9939 }, "end": { "local": "2004-03-26T02:29:27-03:00", "utc": "2004-03-26T05:29:27Z", "ms": 1080278966950.1282 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-25T00:07:55-03:00", "utc": "2004-03-25T03:07:55Z", "ms": 1080184075460.9939 }, "end": { "local": "2004-03-26T02:29:27-03:00", "utc": "2004-03-26T05:29:27Z", "ms": 1080278966950.1282 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-25", "window": { "start": { "local": "2004-03-25T12:35:04-03:00", "utc": "2004-03-25T15:35:04Z", "ms": 1080228904187.865 }, "end": { "local": "2004-03-25T13:23:04-03:00", "utc": "2004-03-25T16:23:04Z", "ms": 1080231784187.865 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-03-26", "window": { "start": { "local": "2004-03-26T12:34:46-03:00", "utc": "2004-03-26T15:34:46Z", "ms": 1080315286143.0706 }, "end": { "local": "2004-03-26T13:22:46-03:00", "utc": "2004-03-26T16:22:46Z", "ms": 1080318166143.0706 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:08 on Thu 25 Mar to 02:29 on Fri 26 Mar.", "fact": "2004-03-25T03:07:55Z → 2004-03-26T05:29:27Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36319 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Buenos Aires, 2004: Thursday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Lakṣmī Pañcamī 2004 falls on Thursday 25 March. Pañcamī runs from 00:08 on Thu 25 Mar to 02:29 on Fri 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9635, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-03-28T07:36:37-03:00", "utc": "2004-03-28T10:36:37Z", "ms": 1080470197081.4264 }, "end": { "local": "2004-03-29T09:53:17-03:00", "utc": "2004-03-29T12:53:17Z", "ms": 1080564797308.0363 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-28T07:36:37-03:00", "utc": "2004-03-28T10:36:37Z", "ms": 1080470197081.4264 }, "end": { "local": "2004-03-29T09:53:17-03:00", "utc": "2004-03-29T12:53:17Z", "ms": 1080564797308.0363 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-28", "window": { "start": { "local": "2004-03-28T12:34:10-03:00", "utc": "2004-03-28T15:34:10Z", "ms": 1080488050053.9447 }, "end": { "local": "2004-03-28T13:22:10-03:00", "utc": "2004-03-28T16:22:10Z", "ms": 1080490930053.9447 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-03-29", "window": { "start": { "local": "2004-03-29T12:33:52-03:00", "utc": "2004-03-29T15:33:52Z", "ms": 1080574432047.7225 }, "end": { "local": "2004-03-29T13:21:52-03:00", "utc": "2004-03-29T16:21:52Z", "ms": 1080577312047.7225 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:37 on Sun 28 Mar to 09:53 on Mon 29 Mar.", "fact": "2004-03-28T10:36:37Z → 2004-03-29T12:53:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 28th, 12:34–13:22 on the 29th.", "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 28th and 0 of 48 on the 29th.", "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 9635 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Buenos Aires, 2004: Sunday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Bhavānī Utpatti 2004 falls on Sunday 28 March. Aṣṭamī runs from 07:37 on Sun 28 Mar to 09:53 on Mon 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3177, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2004-03-29T09:53:17-03:00", "utc": "2004-03-29T12:53:17Z", "ms": 1080564797308.0363 }, "end": { "local": "2004-03-30T11:40:38-03:00", "utc": "2004-03-30T14:40:38Z", "ms": 1080657637573.6498 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-29T09:53:17-03:00", "utc": "2004-03-29T12:53:17Z", "ms": 1080564797308.0363 }, "end": { "local": "2004-03-30T11:40:38-03:00", "utc": "2004-03-30T14:40:38Z", "ms": 1080657637573.6498 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-29", "window": { "start": { "local": "2004-03-29T12:33:52-03:00", "utc": "2004-03-29T15:33:52Z", "ms": 1080574432047.7225 }, "end": { "local": "2004-03-29T13:21:52-03:00", "utc": "2004-03-29T16:21:52Z", "ms": 1080577312047.7225 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-03-30", "window": { "start": { "local": "2004-03-30T12:33:34-03:00", "utc": "2004-03-30T15:33:34Z", "ms": 1080660814092.9487 }, "end": { "local": "2004-03-30T13:21:34-03:00", "utc": "2004-03-30T16:21:34Z", "ms": 1080663694092.9487 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 09:53 on Mon 29 Mar to 11:41 on Tue 30 Mar.", "fact": "2004-03-29T12:53:17Z → 2004-03-30T14:40:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 29th, 12:34–13:22 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3177 s" }, { "step": "ruling", "text": "Rāma Navamī, Buenos Aires, 2004: Monday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rāma Navamī 2004 falls on Monday 29 March. Navamī runs from 09:53 on Mon 29 Mar to 11:41 on Tue 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-04-01", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20589, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-03-31T12:49:02-03:00", "utc": "2004-03-31T15:49:02Z", "ms": 1080748141898.0712 }, "end": { "local": "2004-04-01T13:13:21-03:00", "utc": "2004-04-01T16:13:21Z", "ms": 1080836000938.9757 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-31T12:49:02-03:00", "utc": "2004-03-31T15:49:02Z", "ms": 1080748141898.0712 }, "end": { "local": "2004-04-01T13:13:21-03:00", "utc": "2004-04-01T16:13:21Z", "ms": 1080836000938.9757 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-03-31", "window": { "start": { "local": "2004-03-31T07:05:53-03:00", "utc": "2004-03-31T10:05:53Z", "ms": 1080727552559.0691 }, "end": { "local": "2004-03-31T07:05:53-03:00", "utc": "2004-03-31T10:05:53Z", "ms": 1080727552559.0691 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-04-01", "window": { "start": { "local": "2004-04-01T07:06:39-03:00", "utc": "2004-04-01T10:06:39Z", "ms": 1080813998914.4423 }, "end": { "local": "2004-04-01T07:06:39-03:00", "utc": "2004-04-01T10:06:39Z", "ms": 1080813998914.4423 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:49 on Wed 31 Mar to 13:13 on Thu 1 Apr.", "fact": "2004-03-31T15:49:02Z → 2004-04-01T16:13:21Z" }, { "step": "kaala", "text": "Sunrise is at 07:06 on the 31st and 07:07 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 31st and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20589 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Buenos Aires, 2004: Thursday 1 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kāmadā Ekādaśī 2004 falls on Thursday 1 April. Ekādaśī runs from 12:49 on Wed 31 Mar to 13:13 on Thu 1 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-04-01", "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/2004/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1208, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-04-02T12:52:48-03:00", "utc": "2004-04-02T15:52:48Z", "ms": 1080921168413.7319 }, "end": { "local": "2004-04-03T11:50:17-03:00", "utc": "2004-04-03T14:50:17Z", "ms": 1081003816513.3658 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-04-02T12:52:48-03:00", "utc": "2004-04-02T15:52:48Z", "ms": 1080921168413.7319 }, "end": { "local": "2004-04-03T11:50:17-03:00", "utc": "2004-04-03T14:50:17Z", "ms": 1081003816513.3658 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-04-02", "window": { "start": { "local": "2004-04-02T12:32:41-03:00", "utc": "2004-04-02T15:32:41Z", "ms": 1080919960737.789 }, "end": { "local": "2004-04-02T13:20:41-03:00", "utc": "2004-04-02T16:20:41Z", "ms": 1080922840737.789 } }, "covered_min": 28, "window_min": 48, "qualifies": true }, { "local_date": "2004-04-03", "window": { "start": { "local": "2004-04-03T12:32:23-03:00", "utc": "2004-04-03T15:32:23Z", "ms": 1081006343191.443 }, "end": { "local": "2004-04-03T13:20:23-03:00", "utc": "2004-04-03T16:20:23Z", "ms": 1081009223191.443 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:53 on Fri 2 Apr to 11:50 on Sat 3 Apr.", "fact": "2004-04-02T15:52:48Z → 2004-04-03T14:50:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 2nd, 12:32–13:20 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 28 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: purvaviddha → only-day · margin 1208 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Buenos Aires, 2004: Friday 2 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": "2004-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-02", "confidence": "boundary" } ], "quote": "In Buenos Aires, Anaṅga Trayodaśī 2004 falls on Friday 2 April. Trayodaśī runs from 12:53 on Fri 2 Apr to 11:50 on Sat 3 Apr and covers 28 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/pradosha-vrata?on=2004-04-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21188, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-04-02T12:52:48-03:00", "utc": "2004-04-02T15:52:48Z", "ms": 1080921168413.7319 }, "end": { "local": "2004-04-03T11:50:17-03:00", "utc": "2004-04-03T14:50:17Z", "ms": 1081003816513.3658 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-04-02T12:52:48-03:00", "utc": "2004-04-02T15:52:48Z", "ms": 1080921168413.7319 }, "end": { "local": "2004-04-03T11:50:17-03:00", "utc": "2004-04-03T14:50:17Z", "ms": 1081003816513.3658 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-04-02", "window": { "start": { "local": "2004-04-02T18:45:56-03:00", "utc": "2004-04-02T21:45:56Z", "ms": 1080942356269.2734 }, "end": { "local": "2004-04-02T20:24:54-03:00", "utc": "2004-04-02T23:24:54Z", "ms": 1080948294292.9464 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2004-04-03", "window": { "start": { "local": "2004-04-03T18:44:35-03:00", "utc": "2004-04-03T21:44:35Z", "ms": 1081028674936.065 }, "end": { "local": "2004-04-03T20:23:50-03:00", "utc": "2004-04-03T23:23:50Z", "ms": 1081034629964.4745 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:53 on Fri 2 Apr to 11:50 on Sat 3 Apr.", "fact": "2004-04-02T15:52:48Z → 2004-04-03T14:50:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:25 on the 2nd, 18:45–20:24 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 2nd and 0 of 99 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21188 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2004: Friday 2 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": "2004-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2004 falls on Friday 2 April. Trayodaśī runs from 12:53 on Fri 2 Apr to 11:50 on Sat 3 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-04-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2527, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-04-03T11:50:17-03:00", "utc": "2004-04-03T14:50:17Z", "ms": 1081003816513.3658 }, "end": { "local": "2004-04-04T10:11:14-03:00", "utc": "2004-04-04T13:11:14Z", "ms": 1081084273990.966 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-04-03T11:50:17-03:00", "utc": "2004-04-03T14:50:17Z", "ms": 1081003816513.3658 }, "end": { "local": "2004-04-04T10:11:14-03:00", "utc": "2004-04-04T13:11:14Z", "ms": 1081084273990.966 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-04-03", "window": { "start": { "local": "2004-04-03T12:32:23-03:00", "utc": "2004-04-03T15:32:23Z", "ms": 1081006343191.443 }, "end": { "local": "2004-04-03T13:20:23-03:00", "utc": "2004-04-03T16:20:23Z", "ms": 1081009223191.443 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-04-04", "window": { "start": { "local": "2004-04-04T12:32:06-03:00", "utc": "2004-04-04T15:32:06Z", "ms": 1081092725800.2415 }, "end": { "local": "2004-04-04T13:20:06-03:00", "utc": "2004-04-04T16:20:06Z", "ms": 1081095605800.2415 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:50 on Sat 3 Apr to 10:11 on Sun 4 Apr.", "fact": "2004-04-03T14:50:17Z → 2004-04-04T13:11:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 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": "Caturdaśī 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2527 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Buenos Aires, 2004: Saturday 3 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": "2004-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-03", "confidence": "boundary" } ], "quote": "In Buenos Aires, Viṣṇudamanaka Caturdaśī 2004 falls on Saturday 3 April. Caturdaśī runs from 11:50 on Sat 3 Apr to 10:11 on Sun 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8452, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-04-04T10:11:14-03:00", "utc": "2004-04-04T13:11:14Z", "ms": 1081084273990.966 }, "end": { "local": "2004-04-05T08:02:45-03:00", "utc": "2004-04-05T11:02:45Z", "ms": 1081162965196.5399 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-04-04T10:11:14-03:00", "utc": "2004-04-04T13:11:14Z", "ms": 1081084273990.966 }, "end": { "local": "2004-04-05T08:02:45-03:00", "utc": "2004-04-05T11:02:45Z", "ms": 1081162965196.5399 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-04-04", "window": { "start": { "local": "2004-04-04T12:32:06-03:00", "utc": "2004-04-04T15:32:06Z", "ms": 1081092725800.2415 }, "end": { "local": "2004-04-04T13:20:06-03:00", "utc": "2004-04-04T16:20:06Z", "ms": 1081095605800.2415 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-04-05", "window": { "start": { "local": "2004-04-05T12:31:49-03:00", "utc": "2004-04-05T15:31:49Z", "ms": 1081179108586.4331 }, "end": { "local": "2004-04-05T13:19:49-03:00", "utc": "2004-04-05T16:19:49Z", "ms": 1081181988586.4331 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:11 on Sun 4 Apr to 08:03 on Mon 5 Apr.", "fact": "2004-04-04T13:11:14Z → 2004-04-05T11:02:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 4th, 12:32–13:20 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8452 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Buenos Aires, 2004: Sunday 4 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": "2004-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Caitrī Pūrṇimā 2004 falls on Sunday 4 April. Pūrṇimā runs from 10:11 on Sun 4 Apr to 08:03 on Mon 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/sankashta-chaturthi?on=2004-04-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 880, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-04-07T23:59:02-03:00", "utc": "2004-04-08T02:59:02Z", "ms": 1081393142248.4956 }, "end": { "local": "2004-04-08T21:10:06-03:00", "utc": "2004-04-09T00:10:06Z", "ms": 1081469405681.7521 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-07T23:59:02-03:00", "utc": "2004-04-08T02:59:02Z", "ms": 1081393142248.4956 }, "end": { "local": "2004-04-08T21:10:06-03:00", "utc": "2004-04-09T00:10:06Z", "ms": 1081469405681.7521 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-04-07", "window": { "start": { "local": "2004-04-07T20:12:23-03:00", "utc": "2004-04-07T23:12:23Z", "ms": 1081379543114.2313 }, "end": { "local": "2004-04-07T20:12:23-03:00", "utc": "2004-04-07T23:12:23Z", "ms": 1081379543114.2313 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-04-08", "window": { "start": { "local": "2004-04-08T20:55:26-03:00", "utc": "2004-04-08T23:55:26Z", "ms": 1081468525995.4066 }, "end": { "local": "2004-04-08T20:55:26-03:00", "utc": "2004-04-08T23:55:26Z", "ms": 1081468525995.4066 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:59 on Wed 7 Apr to 21:10 on Thu 8 Apr.", "fact": "2004-04-08T02:59:02Z → 2004-04-09T00:10:06Z" }, { "step": "kaala", "text": "Moonrise is at 20:12 on the 7th and 20:55 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 880 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2004: Thursday 8 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-08", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2004 falls on Thursday 8 April. Caturthī runs from 23:59 on Wed 7 Apr to 21:10 on Thu 8 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-04-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8185, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2004-04-13T09:32:19-03:00", "utc": "2004-04-13T12:32:19Z", "ms": 1081859539241.1885 }, "end": { "local": "2004-05-14T06:25:30-03:00", "utc": "2004-05-14T09:25:30Z", "ms": 1084526730015.0026 } }, "span": { "of": "transit", "start": { "local": "2004-04-13T09:32:19-03:00", "utc": "2004-04-13T12:32:19Z", "ms": 1081859539241.1885 }, "end": { "local": "2004-04-13T09:32:19-03:00", "utc": "2004-04-13T12:32:19Z", "ms": 1081859539241.1885 } }, "kaala": "day", "days": [ { "local_date": "2004-04-12", "window": { "start": { "local": "2004-04-12T07:15:08-03:00", "utc": "2004-04-12T10:15:08Z", "ms": 1081764907520.2885 }, "end": { "local": "2004-04-13T07:15:54-03:00", "utc": "2004-04-13T10:15:54Z", "ms": 1081851353943.6011 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2004-04-13", "window": { "start": { "local": "2004-04-13T07:15:54-03:00", "utc": "2004-04-13T10:15:54Z", "ms": 1081851353943.6011 }, "end": { "local": "2004-04-14T07:16:40-03:00", "utc": "2004-04-14T10:16:40Z", "ms": 1081937800427.1947 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 09:32 on Tue 13 Apr.", "fact": "2004-04-13T12:32:19Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 07:15 on the 12th, and from 07:16 on the 13th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 8185 s" }, { "step": "ruling", "text": "Vaiśākhī, Buenos Aires, 2004: Tuesday 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": "2004-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2004-04-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2004-04-13", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Buenos Aires, Vaiśākhī 2004 falls on Tuesday 13 April. The Sun enters Meṣa at 09:32 on Tue 13 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-04-15", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4507, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-04-14T09:13:57-03:00", "utc": "2004-04-14T12:13:57Z", "ms": 1081944837428.6091 }, "end": { "local": "2004-04-15T08:32:34-03:00", "utc": "2004-04-15T11:32:34Z", "ms": 1082028753893.4353 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-14T09:13:57-03:00", "utc": "2004-04-14T12:13:57Z", "ms": 1081944837428.6091 }, "end": { "local": "2004-04-15T08:32:34-03:00", "utc": "2004-04-15T11:32:34Z", "ms": 1082028753893.4353 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-04-14", "window": { "start": { "local": "2004-04-14T07:16:40-03:00", "utc": "2004-04-14T10:16:40Z", "ms": 1081937800427.1947 }, "end": { "local": "2004-04-14T07:16:40-03:00", "utc": "2004-04-14T10:16:40Z", "ms": 1081937800427.1947 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-04-15", "window": { "start": { "local": "2004-04-15T07:17:27-03:00", "utc": "2004-04-15T10:17:27Z", "ms": 1082024246971.6818 }, "end": { "local": "2004-04-15T07:17:27-03:00", "utc": "2004-04-15T10:17:27Z", "ms": 1082024246971.6818 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:14 on Wed 14 Apr to 08:33 on Thu 15 Apr.", "fact": "2004-04-14T12:13:57Z → 2004-04-15T11:32:34Z" }, { "step": "kaala", "text": "Sunrise is at 07:17 on the 14th and 07:17 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4507 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Buenos Aires, 2004: Thursday 15 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": "2004-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Varūthinī Ekādaśī 2004 falls on Thursday 15 April. Ekādaśī runs from 09:14 on Wed 14 Apr to 08:33 on Thu 15 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-04-15", "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/2004/pradosha-vrata?on=2004-04-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35738, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-04-16T08:17:53-03:00", "utc": "2004-04-16T11:17:53Z", "ms": 1082114272738.1708 }, "end": { "local": "2004-04-17T08:30:49-03:00", "utc": "2004-04-17T11:30:49Z", "ms": 1082201448563.443 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-16T08:17:53-03:00", "utc": "2004-04-16T11:17:53Z", "ms": 1082114272738.1708 }, "end": { "local": "2004-04-17T08:30:49-03:00", "utc": "2004-04-17T11:30:49Z", "ms": 1082201448563.443 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-04-16", "window": { "start": { "local": "2004-04-16T18:27:40-03:00", "utc": "2004-04-16T21:27:40Z", "ms": 1082150860306.5238 }, "end": { "local": "2004-04-16T20:10:31-03:00", "utc": "2004-04-16T23:10:31Z", "ms": 1082157030964.2157 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2004-04-17", "window": { "start": { "local": "2004-04-17T18:26:27-03:00", "utc": "2004-04-17T21:26:27Z", "ms": 1082237186559.2422 }, "end": { "local": "2004-04-17T20:09:33-03:00", "utc": "2004-04-17T23:09:33Z", "ms": 1082243373278.9884 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:18 on Fri 16 Apr to 08:31 on Sat 17 Apr.", "fact": "2004-04-16T11:17:53Z → 2004-04-17T11:30:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–20:11 on the 16th, 18:26–20:10 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 103 of 103 minutes on the 16th and 0 of 103 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 35738 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2004: Friday 16 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": "2004-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2004 falls on Friday 16 April. Trayodaśī runs from 08:18 on Fri 16 Apr to 08:31 on Sat 17 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-04-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/shivaratri?on=2004-04-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26008, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-04-17T08:30:49-03:00", "utc": "2004-04-17T11:30:49Z", "ms": 1082201448563.443 }, "end": { "local": "2004-04-18T09:11:56-03:00", "utc": "2004-04-18T12:11:56Z", "ms": 1082290315922.4846 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-17T08:30:49-03:00", "utc": "2004-04-17T11:30:49Z", "ms": 1082201448563.443 }, "end": { "local": "2004-04-18T09:11:56-03:00", "utc": "2004-04-18T12:11:56Z", "ms": 1082290315922.4846 } }, "kaala": "nishita", "days": [ { "local_date": "2004-04-16", "window": { "start": { "local": "2004-04-17T00:29:20-03:00", "utc": "2004-04-17T03:29:20Z", "ms": 1082172560272.8685 }, "end": { "local": "2004-04-17T01:17:20-03:00", "utc": "2004-04-17T04:17:20Z", "ms": 1082175440272.8685 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-04-17", "window": { "start": { "local": "2004-04-18T00:29:07-03:00", "utc": "2004-04-18T03:29:07Z", "ms": 1082258946758.2905 }, "end": { "local": "2004-04-18T01:17:07-03:00", "utc": "2004-04-18T04:17:07Z", "ms": 1082261826758.2905 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:31 on Sat 17 Apr to 09:12 on Sun 18 Apr.", "fact": "2004-04-17T11:30:49Z → 2004-04-18T12:11:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:29–01:17 on the 16th, 00:29–01:17 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26008 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2004: Saturday 17 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": "2004-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2004 falls on Saturday 17 April. Caturdaśī runs from 08:31 on Sat 17 Apr to 09:12 on Sun 18 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/shivaratri?on=2004-04-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7374, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-04-21T13:57:57-03:00", "utc": "2004-04-21T16:57:57Z", "ms": 1082566676863.9208 }, "end": { "local": "2004-04-22T16:17:35-03:00", "utc": "2004-04-22T19:17:35Z", "ms": 1082661455173.0875 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-21T13:57:57-03:00", "utc": "2004-04-21T16:57:57Z", "ms": 1082566676863.9208 }, "end": { "local": "2004-04-22T16:17:35-03:00", "utc": "2004-04-22T19:17:35Z", "ms": 1082661455173.0875 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-04-21", "window": { "start": { "local": "2004-04-21T18:21:39-03:00", "utc": "2004-04-21T21:21:39Z", "ms": 1082582499315.2103 }, "end": { "local": "2004-04-21T20:05:49-03:00", "utc": "2004-04-21T23:05:49Z", "ms": 1082588749312.0057 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "2004-04-22", "window": { "start": { "local": "2004-04-22T18:20:30-03:00", "utc": "2004-04-22T21:20:30Z", "ms": 1082668829566.766 }, "end": { "local": "2004-04-22T20:04:55-03:00", "utc": "2004-04-22T23:04:55Z", "ms": 1082675095119.3 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:58 on Wed 21 Apr to 16:18 on Thu 22 Apr.", "fact": "2004-04-21T16:57:57Z → 2004-04-22T19:17:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–20:06 on the 21st, 18:20–20:05 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 104 of 104 minutes on the 21st and 0 of 104 on the 22nd.", "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 7374 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Buenos Aires, 2004: Wednesday 21 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Paraśurāma Jayantī 2004 falls on Wednesday 21 April. Tṛtīyā runs from 13:58 on Wed 21 Apr to 16:18 on Thu 22 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10559, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-04-21T13:57:57-03:00", "utc": "2004-04-21T16:57:57Z", "ms": 1082566676863.9208 }, "end": { "local": "2004-04-22T16:17:35-03:00", "utc": "2004-04-22T19:17:35Z", "ms": 1082661455173.0875 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-21T13:57:57-03:00", "utc": "2004-04-21T16:57:57Z", "ms": 1082566676863.9208 }, "end": { "local": "2004-04-22T16:17:35-03:00", "utc": "2004-04-22T19:17:35Z", "ms": 1082661455173.0875 } }, "kaala": "purvahna", "days": [ { "local_date": "2004-04-21", "window": { "start": { "local": "2004-04-21T07:22:07-03:00", "utc": "2004-04-21T10:22:07Z", "ms": 1082542927399.5522 }, "end": { "local": "2004-04-21T11:01:58-03:00", "utc": "2004-04-21T14:01:58Z", "ms": 1082556118038.105 } }, "covered_min": 0, "window_min": 220, "qualifies": false }, { "local_date": "2004-04-22", "window": { "start": { "local": "2004-04-22T07:22:54-03:00", "utc": "2004-04-22T10:22:54Z", "ms": 1082629374291.1755 }, "end": { "local": "2004-04-22T11:02:06-03:00", "utc": "2004-04-22T14:02:06Z", "ms": 1082642526049.7057 } }, "covered_min": 219, "window_min": 219, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:58 on Wed 21 Apr to 16:18 on Thu 22 Apr.", "fact": "2004-04-21T16:57:57Z → 2004-04-22T19:17:35Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:22–11:02 on the 21st, 07:23–11:02 on the 22nd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 220 minutes on the 21st and 219 of 219 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10559 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Buenos Aires, 2004: Thursday 22 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-22", "confidence": "determinate" } ], "quote": "In Buenos Aires, Akṣaya Tṛtīyā 2004 falls on Thursday 22 April. Tṛtīyā runs from 13:58 on Wed 21 Apr to 16:18 on Thu 22 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/vinayaka-chaturthi?on=2004-04-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10913, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-04-22T16:17:35-03:00", "utc": "2004-04-22T19:17:35Z", "ms": 1082661455173.0875 }, "end": { "local": "2004-04-23T18:48:47-03:00", "utc": "2004-04-23T21:48:47Z", "ms": 1082756927441.8989 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-22T16:17:35-03:00", "utc": "2004-04-22T19:17:35Z", "ms": 1082661455173.0875 }, "end": { "local": "2004-04-23T18:48:47-03:00", "utc": "2004-04-23T21:48:47Z", "ms": 1082756927441.8989 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-04-22", "window": { "start": { "local": "2004-04-22T12:27:42-03:00", "utc": "2004-04-22T15:27:42Z", "ms": 1082647661928.9707 }, "end": { "local": "2004-04-22T13:15:42-03:00", "utc": "2004-04-22T16:15:42Z", "ms": 1082650541928.9707 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-04-23", "window": { "start": { "local": "2004-04-23T12:27:31-03:00", "utc": "2004-04-23T15:27:31Z", "ms": 1082734050952.4528 }, "end": { "local": "2004-04-23T13:15:31-03:00", "utc": "2004-04-23T16:15:31Z", "ms": 1082736930952.4528 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:18 on Thu 22 Apr to 18:49 on Fri 23 Apr.", "fact": "2004-04-22T19:17:35Z → 2004-04-23T21:48:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 22nd, 12:28–13:16 on the 23rd.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10913 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2004: Friday 23 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": "2004-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2004 falls on Friday 23 April. Caturthī runs from 16:18 on Thu 22 Apr to 18:49 on Fri 23 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/vinayaka-chaturthi?on=2004-04-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19996, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-04-23T18:48:47-03:00", "utc": "2004-04-23T21:48:47Z", "ms": 1082756927441.8989 }, "end": { "local": "2004-04-24T21:21:31-03:00", "utc": "2004-04-25T00:21:31Z", "ms": 1082852491371.0292 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-23T18:48:47-03:00", "utc": "2004-04-23T21:48:47Z", "ms": 1082756927441.8989 }, "end": { "local": "2004-04-24T21:21:31-03:00", "utc": "2004-04-25T00:21:31Z", "ms": 1082852491371.0292 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-04-23", "window": { "start": { "local": "2004-04-23T12:27:31-03:00", "utc": "2004-04-23T15:27:31Z", "ms": 1082734050952.4528 }, "end": { "local": "2004-04-23T13:15:31-03:00", "utc": "2004-04-23T16:15:31Z", "ms": 1082736930952.4528 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-04-24", "window": { "start": { "local": "2004-04-24T12:27:20-03:00", "utc": "2004-04-24T15:27:20Z", "ms": 1082820440436.9816 }, "end": { "local": "2004-04-24T13:15:20-03:00", "utc": "2004-04-24T16:15:20Z", "ms": 1082823320436.9816 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:49 on Fri 23 Apr to 21:22 on Sat 24 Apr.", "fact": "2004-04-23T21:48:47Z → 2004-04-25T00:21:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 23rd, 12:27–13:15 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19996 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Buenos Aires, 2004: Saturday 24 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śaṅkara Jayantī 2004 falls on Saturday 24 April. Pañcamī runs from 18:49 on Fri 23 Apr to 21:22 on Sat 24 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37732, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-04-25T23:44:03-03:00", "utc": "2004-04-26T02:44:03Z", "ms": 1082947442667.5844 }, "end": { "local": "2004-04-27T01:44:14-03:00", "utc": "2004-04-27T04:44:14Z", "ms": 1083041054212.7664 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-25T23:44:03-03:00", "utc": "2004-04-26T02:44:03Z", "ms": 1082947442667.5844 }, "end": { "local": "2004-04-27T01:44:14-03:00", "utc": "2004-04-27T04:44:14Z", "ms": 1083041054212.7664 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-04-25", "window": { "start": { "local": "2004-04-25T12:27:10-03:00", "utc": "2004-04-25T15:27:10Z", "ms": 1082906830391.5276 }, "end": { "local": "2004-04-25T13:15:10-03:00", "utc": "2004-04-25T16:15:10Z", "ms": 1082909710391.5276 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-04-26", "window": { "start": { "local": "2004-04-26T12:27:01-03:00", "utc": "2004-04-26T15:27:01Z", "ms": 1082993220824.8884 }, "end": { "local": "2004-04-26T13:15:01-03:00", "utc": "2004-04-26T16:15:01Z", "ms": 1082996100824.8884 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:44 on Sun 25 Apr to 01:44 on Tue 27 Apr.", "fact": "2004-04-26T02:44:03Z → 2004-04-27T04:44:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 25th, 12:27–13:15 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37732 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Buenos Aires, 2004: Monday 26 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gaṅgotpatti (Ganga Saptami) 2004 falls on Monday 26 April. Saptamī runs from 23:44 on Sun 25 Apr to 01:44 on Tue 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-04-30", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12781, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-04-30T03:56:08-03:00", "utc": "2004-04-30T06:56:08Z", "ms": 1083308168347.1486 }, "end": { "local": "2004-05-01T03:08:32-03:00", "utc": "2004-05-01T06:08:32Z", "ms": 1083391712175.7961 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-30T03:56:08-03:00", "utc": "2004-04-30T06:56:08Z", "ms": 1083308168347.1486 }, "end": { "local": "2004-05-01T03:08:32-03:00", "utc": "2004-05-01T06:08:32Z", "ms": 1083391712175.7961 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-04-30", "window": { "start": { "local": "2004-04-30T07:29:10-03:00", "utc": "2004-04-30T10:29:10Z", "ms": 1083320949760.6653 }, "end": { "local": "2004-04-30T07:29:10-03:00", "utc": "2004-04-30T10:29:10Z", "ms": 1083320949760.6653 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-05-01", "window": { "start": { "local": "2004-05-01T07:29:57-03:00", "utc": "2004-05-01T10:29:57Z", "ms": 1083407396606.3756 }, "end": { "local": "2004-05-01T07:29:57-03:00", "utc": "2004-05-01T10:29:57Z", "ms": 1083407396606.3756 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:56 on Fri 30 Apr to 03:09 on Sat 1 May.", "fact": "2004-04-30T06:56:08Z → 2004-05-01T06:08:32Z" }, { "step": "kaala", "text": "Sunrise is at 07:29 on the 30th and 07:30 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12781 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Buenos Aires, 2004: Friday 30 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": "2004-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-30", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mohinī Ekādaśī 2004 falls on Friday 30 April. Ekādaśī runs from 03:56 on Fri 30 Apr to 03:09 on Sat 1 May and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-04-30", "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/2004/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33468, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-05-01T03:08:32-03:00", "utc": "2004-05-01T06:08:32Z", "ms": 1083391712175.7961 }, "end": { "local": "2004-05-02T01:36:24-03:00", "utc": "2004-05-02T04:36:24Z", "ms": 1083472584322.5112 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-01T03:08:32-03:00", "utc": "2004-05-01T06:08:32Z", "ms": 1083391712175.7961 }, "end": { "local": "2004-05-02T01:36:24-03:00", "utc": "2004-05-02T04:36:24Z", "ms": 1083472584322.5112 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-01", "window": { "start": { "local": "2004-05-01T12:26:20-03:00", "utc": "2004-05-01T15:26:20Z", "ms": 1083425180474.3286 }, "end": { "local": "2004-05-01T13:14:20-03:00", "utc": "2004-05-01T16:14:20Z", "ms": 1083428060474.3286 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-05-02", "window": { "start": { "local": "2004-05-02T12:26:14-03:00", "utc": "2004-05-02T15:26:14Z", "ms": 1083511573961.354 }, "end": { "local": "2004-05-02T13:14:14-03:00", "utc": "2004-05-02T16:14:14Z", "ms": 1083514453961.354 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:09 on Sat 1 May to 01:36 on Sun 2 May.", "fact": "2004-05-01T06:08:32Z → 2004-05-02T04:36:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 1st, 12:26–13:14 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33468 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Buenos Aires, 2004: Saturday 1 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Paraśurāma Dvādaśī 2004 falls on Saturday 1 May. Dvādaśī runs from 03:09 on Sat 1 May to 01:36 on Sun 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33468, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-05-01T03:08:32-03:00", "utc": "2004-05-01T06:08:32Z", "ms": 1083391712175.7961 }, "end": { "local": "2004-05-02T01:36:24-03:00", "utc": "2004-05-02T04:36:24Z", "ms": 1083472584322.5112 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-01T03:08:32-03:00", "utc": "2004-05-01T06:08:32Z", "ms": 1083391712175.7961 }, "end": { "local": "2004-05-02T01:36:24-03:00", "utc": "2004-05-02T04:36:24Z", "ms": 1083472584322.5112 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-01", "window": { "start": { "local": "2004-05-01T12:26:20-03:00", "utc": "2004-05-01T15:26:20Z", "ms": 1083425180474.3286 }, "end": { "local": "2004-05-01T13:14:20-03:00", "utc": "2004-05-01T16:14:20Z", "ms": 1083428060474.3286 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-05-02", "window": { "start": { "local": "2004-05-02T12:26:14-03:00", "utc": "2004-05-02T15:26:14Z", "ms": 1083511573961.354 }, "end": { "local": "2004-05-02T13:14:14-03:00", "utc": "2004-05-02T16:14:14Z", "ms": 1083514453961.354 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:09 on Sat 1 May to 01:36 on Sun 2 May.", "fact": "2004-05-01T06:08:32Z → 2004-05-02T04:36:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 1st, 12:26–13:14 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33468 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Buenos Aires, 2004: Saturday 1 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rukmiṇī Dvādaśī 2004 falls on Saturday 1 May. Dvādaśī runs from 03:09 on Sat 1 May to 01:36 on Sun 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/pradosha-vrata?on=2004-05-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12497, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-05-02T01:36:24-03:00", "utc": "2004-05-02T04:36:24Z", "ms": 1083472584322.5112 }, "end": { "local": "2004-05-02T23:24:55-03:00", "utc": "2004-05-03T02:24:55Z", "ms": 1083551095200.2753 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-02T01:36:24-03:00", "utc": "2004-05-02T04:36:24Z", "ms": 1083472584322.5112 }, "end": { "local": "2004-05-02T23:24:55-03:00", "utc": "2004-05-03T02:24:55Z", "ms": 1083551095200.2753 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-05-01", "window": { "start": { "local": "2004-05-01T18:10:44-03:00", "utc": "2004-05-01T21:10:44Z", "ms": 1083445844342.2815 }, "end": { "local": "2004-05-01T19:57:24-03:00", "utc": "2004-05-01T22:57:24Z", "ms": 1083452244216.9952 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "2004-05-02", "window": { "start": { "local": "2004-05-02T18:09:45-03:00", "utc": "2004-05-02T21:09:45Z", "ms": 1083532184520.0735 }, "end": { "local": "2004-05-02T19:56:39-03:00", "utc": "2004-05-02T22:56:39Z", "ms": 1083538598602.9247 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:36 on Sun 2 May to 23:25 on Sun 2 May.", "fact": "2004-05-02T04:36:24Z → 2004-05-03T02:24:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:57 on the 1st, 18:10–19:57 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 1st and 107 of 107 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 12497 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2004: Sunday 2 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2004 falls on Sunday 2 May. Trayodaśī runs from 01:36 on Sun 2 May to 23:25 on Sun 2 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-05-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2716, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-05-02T23:24:55-03:00", "utc": "2004-05-03T02:24:55Z", "ms": 1083551095200.2753 }, "end": { "local": "2004-05-03T20:41:10-03:00", "utc": "2004-05-03T23:41:10Z", "ms": 1083627669950.0184 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-02T23:24:55-03:00", "utc": "2004-05-03T02:24:55Z", "ms": 1083551095200.2753 }, "end": { "local": "2004-05-03T20:41:10-03:00", "utc": "2004-05-03T23:41:10Z", "ms": 1083627669950.0184 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-05-02", "window": { "start": { "local": "2004-05-02T18:09:45-03:00", "utc": "2004-05-02T21:09:45Z", "ms": 1083532184520.0735 }, "end": { "local": "2004-05-02T19:56:39-03:00", "utc": "2004-05-02T22:56:39Z", "ms": 1083538598602.9247 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "2004-05-03", "window": { "start": { "local": "2004-05-03T18:08:46-03:00", "utc": "2004-05-03T21:08:46Z", "ms": 1083618525836.0052 }, "end": { "local": "2004-05-03T19:55:54-03:00", "utc": "2004-05-03T22:55:54Z", "ms": 1083624953966.5792 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:25 on Sun 2 May to 20:41 on Mon 3 May.", "fact": "2004-05-03T02:24:55Z → 2004-05-03T23:41:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:57 on the 2nd, 18:09–19:56 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 2nd and 107 of 107 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2716 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Buenos Aires, 2004: Monday 3 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2004 falls on Monday 3 May. Caturdaśī runs from 23:25 on Sun 2 May to 20:41 on Mon 3 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15564, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-05-03T20:41:10-03:00", "utc": "2004-05-03T23:41:10Z", "ms": 1083627669950.0184 }, "end": { "local": "2004-05-04T17:33:27-03:00", "utc": "2004-05-04T20:33:27Z", "ms": 1083702806612.8502 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-03T20:41:10-03:00", "utc": "2004-05-03T23:41:10Z", "ms": 1083627669950.0184 }, "end": { "local": "2004-05-04T17:33:27-03:00", "utc": "2004-05-04T20:33:27Z", "ms": 1083702806612.8502 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-03", "window": { "start": { "local": "2004-05-03T12:26:08-03:00", "utc": "2004-05-03T15:26:08Z", "ms": 1083597967988.7312 }, "end": { "local": "2004-05-03T13:14:08-03:00", "utc": "2004-05-03T16:14:08Z", "ms": 1083600847988.7312 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-05-04", "window": { "start": { "local": "2004-05-04T12:26:03-03:00", "utc": "2004-05-04T15:26:03Z", "ms": 1083684362566.1575 }, "end": { "local": "2004-05-04T13:14:03-03:00", "utc": "2004-05-04T16:14:03Z", "ms": 1083687242566.1575 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:41 on Mon 3 May to 17:33 on Tue 4 May.", "fact": "2004-05-03T23:41:10Z → 2004-05-04T20:33:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 3rd, 12:26–13:14 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15564 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Buenos Aires, 2004: Tuesday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Buddha Pūrṇimā 2004 falls on Tuesday 4 May. Pūrṇimā runs from 20:41 on Mon 3 May to 17:33 on Tue 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15564, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-05-03T20:41:10-03:00", "utc": "2004-05-03T23:41:10Z", "ms": 1083627669950.0184 }, "end": { "local": "2004-05-04T17:33:27-03:00", "utc": "2004-05-04T20:33:27Z", "ms": 1083702806612.8502 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-03T20:41:10-03:00", "utc": "2004-05-03T23:41:10Z", "ms": 1083627669950.0184 }, "end": { "local": "2004-05-04T17:33:27-03:00", "utc": "2004-05-04T20:33:27Z", "ms": 1083702806612.8502 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-03", "window": { "start": { "local": "2004-05-03T12:26:08-03:00", "utc": "2004-05-03T15:26:08Z", "ms": 1083597967988.7312 }, "end": { "local": "2004-05-03T13:14:08-03:00", "utc": "2004-05-03T16:14:08Z", "ms": 1083600847988.7312 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-05-04", "window": { "start": { "local": "2004-05-04T12:26:03-03:00", "utc": "2004-05-04T15:26:03Z", "ms": 1083684362566.1575 }, "end": { "local": "2004-05-04T13:14:03-03:00", "utc": "2004-05-04T16:14:03Z", "ms": 1083687242566.1575 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:41 on Mon 3 May to 17:33 on Tue 4 May.", "fact": "2004-05-03T23:41:10Z → 2004-05-04T20:33:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 3rd, 12:26–13:14 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15564 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Buenos Aires, 2004: Tuesday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Sampat Gaurī Vrata 2004 falls on Tuesday 4 May. Pūrṇimā runs from 20:41 on Mon 3 May to 17:33 on Tue 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/sankashta-chaturthi?on=2004-05-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26968, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-05-07T07:16:51-03:00", "utc": "2004-05-07T10:16:51Z", "ms": 1083925010712.7275 }, "end": { "local": "2004-05-08T04:03:27-03:00", "utc": "2004-05-08T07:03:27Z", "ms": 1083999806521.3322 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-07T07:16:51-03:00", "utc": "2004-05-07T10:16:51Z", "ms": 1083925010712.7275 }, "end": { "local": "2004-05-08T04:03:27-03:00", "utc": "2004-05-08T07:03:27Z", "ms": 1083999806521.3322 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-05-06", "window": { "start": { "local": "2004-05-06T19:35:43-03:00", "utc": "2004-05-06T22:35:43Z", "ms": 1083882943313.2897 }, "end": { "local": "2004-05-06T19:35:43-03:00", "utc": "2004-05-06T22:35:43Z", "ms": 1083882943313.2897 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-05-07", "window": { "start": { "local": "2004-05-07T20:33:59-03:00", "utc": "2004-05-07T23:33:59Z", "ms": 1083972838501.885 }, "end": { "local": "2004-05-07T20:33:59-03:00", "utc": "2004-05-07T23:33:59Z", "ms": 1083972838501.885 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:17 on Fri 7 May to 04:03 on Sat 8 May.", "fact": "2004-05-07T10:16:51Z → 2004-05-08T07:03:27Z" }, { "step": "kaala", "text": "Moonrise is at 19:36 on the 6th and 20:34 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 6th and is on the 7th.", "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 26968 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2004: Friday 7 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2004 falls on Friday 7 May. Caturthī runs from 07:17 on Fri 7 May to 04:03 on Sat 8 May and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/ekadashi?on=2004-05-14", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39863, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-05-13T18:43:35-03:00", "utc": "2004-05-13T21:43:35Z", "ms": 1084484614733.133 }, "end": { "local": "2004-05-14T19:14:37-03:00", "utc": "2004-05-14T22:14:37Z", "ms": 1084572876590.7256 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-13T18:43:35-03:00", "utc": "2004-05-13T21:43:35Z", "ms": 1084484614733.133 }, "end": { "local": "2004-05-14T19:14:37-03:00", "utc": "2004-05-14T22:14:37Z", "ms": 1084572876590.7256 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-05-13", "window": { "start": { "local": "2004-05-13T07:39:12-03:00", "utc": "2004-05-13T10:39:12Z", "ms": 1084444752201.0271 }, "end": { "local": "2004-05-13T07:39:12-03:00", "utc": "2004-05-13T10:39:12Z", "ms": 1084444752201.0271 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-05-14", "window": { "start": { "local": "2004-05-14T07:39:58-03:00", "utc": "2004-05-14T10:39:58Z", "ms": 1084531197524.1752 }, "end": { "local": "2004-05-14T07:39:58-03:00", "utc": "2004-05-14T10:39:58Z", "ms": 1084531197524.1752 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:44 on Thu 13 May to 19:15 on Fri 14 May.", "fact": "2004-05-13T21:43:35Z → 2004-05-14T22:14:37Z" }, { "step": "kaala", "text": "Sunrise is at 07:39 on the 13th and 07:40 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 39863 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Buenos Aires, 2004: Friday 14 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": "2004-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Aparā Ekādaśī 2004 falls on Friday 14 May. Ekādaśī runs from 18:44 on Thu 13 May to 19:15 on Fri 14 May and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-05-14", "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/2004/pradosha-vrata?on=2004-05-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1745, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-05-15T20:17:27-03:00", "utc": "2004-05-15T23:17:27Z", "ms": 1084663047420.4402 }, "end": { "local": "2004-05-16T21:47:50-03:00", "utc": "2004-05-17T00:47:50Z", "ms": 1084754869863.705 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-15T20:17:27-03:00", "utc": "2004-05-15T23:17:27Z", "ms": 1084663047420.4402 }, "end": { "local": "2004-05-16T21:47:50-03:00", "utc": "2004-05-17T00:47:50Z", "ms": 1084754869863.705 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-05-15", "window": { "start": { "local": "2004-05-15T17:58:40-03:00", "utc": "2004-05-15T20:58:40Z", "ms": 1084654719887.1465 }, "end": { "local": "2004-05-15T19:48:22-03:00", "utc": "2004-05-15T22:48:22Z", "ms": 1084661302220.4515 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "2004-05-16", "window": { "start": { "local": "2004-05-16T17:57:58-03:00", "utc": "2004-05-16T20:57:58Z", "ms": 1084741078281.6251 }, "end": { "local": "2004-05-16T19:47:52-03:00", "utc": "2004-05-16T22:47:52Z", "ms": 1084747672093.2062 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:17 on Sat 15 May to 21:48 on Sun 16 May.", "fact": "2004-05-15T23:17:27Z → 2004-05-17T00:47:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:48 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": "Trayodaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 15th and 110 of 110 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 1745 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2004: Sunday 16 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": "2004-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-16", "confidence": "boundary" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2004 falls on Sunday 16 May. Trayodaśī runs from 20:17 on Sat 15 May to 21:48 on Sun 16 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-05-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/shivaratri?on=2004-05-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2708, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-05-16T21:47:50-03:00", "utc": "2004-05-17T00:47:50Z", "ms": 1084754869863.705 }, "end": { "local": "2004-05-17T23:40:59-03:00", "utc": "2004-05-18T02:40:59Z", "ms": 1084848059143.1625 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-16T21:47:50-03:00", "utc": "2004-05-17T00:47:50Z", "ms": 1084754869863.705 }, "end": { "local": "2004-05-17T23:40:59-03:00", "utc": "2004-05-18T02:40:59Z", "ms": 1084848059143.1625 } }, "kaala": "nishita", "days": [ { "local_date": "2004-05-16", "window": { "start": { "local": "2004-05-17T00:26:05-03:00", "utc": "2004-05-17T03:26:05Z", "ms": 1084764365075.0542 }, "end": { "local": "2004-05-17T01:14:05-03:00", "utc": "2004-05-17T04:14:05Z", "ms": 1084767245075.0542 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-05-17", "window": { "start": { "local": "2004-05-18T00:26:07-03:00", "utc": "2004-05-18T03:26:07Z", "ms": 1084850767070.4484 }, "end": { "local": "2004-05-18T01:14:07-03:00", "utc": "2004-05-18T04:14:07Z", "ms": 1084853647070.4484 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:48 on Sun 16 May to 23:41 on Mon 17 May.", "fact": "2004-05-17T00:47:50Z → 2004-05-18T02:40:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:26–01:14 on the 16th, 00:26–01:14 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2708 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2004: Sunday 16 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": "2004-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2004 falls on Sunday 16 May. Caturdaśī runs from 21:48 on Sun 16 May to 23:41 on Mon 17 May and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/shivaratri?on=2004-05-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11391, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-05-21T06:45:44-03:00", "utc": "2004-05-21T09:45:44Z", "ms": 1085132744258.7557 }, "end": { "local": "2004-05-22T09:16:13-03:00", "utc": "2004-05-22T12:16:13Z", "ms": 1085228173198.6891 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-21T06:45:44-03:00", "utc": "2004-05-21T09:45:44Z", "ms": 1085132744258.7557 }, "end": { "local": "2004-05-22T09:16:13-03:00", "utc": "2004-05-22T12:16:13Z", "ms": 1085228173198.6891 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-21", "window": { "start": { "local": "2004-05-21T12:25:59-03:00", "utc": "2004-05-21T15:25:59Z", "ms": 1085153159207.4926 }, "end": { "local": "2004-05-21T13:13:59-03:00", "utc": "2004-05-21T16:13:59Z", "ms": 1085156039207.4926 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-05-22", "window": { "start": { "local": "2004-05-22T12:26:04-03:00", "utc": "2004-05-22T15:26:04Z", "ms": 1085239564093.6584 }, "end": { "local": "2004-05-22T13:14:04-03:00", "utc": "2004-05-22T16:14:04Z", "ms": 1085242444093.6584 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:46 on Fri 21 May to 09:16 on Sat 22 May.", "fact": "2004-05-21T09:45:44Z → 2004-05-22T12:16:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 21st, 12:26–13:14 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11391 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Buenos Aires, 2004: Friday 21 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rambhā Tṛtīyā 2004 falls on Friday 21 May. Tṛtīyā runs from 06:46 on Fri 21 May to 09:16 on Sat 22 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/vinayaka-chaturthi?on=2004-05-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2813, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-05-22T09:16:13-03:00", "utc": "2004-05-22T12:16:13Z", "ms": 1085228173198.6891 }, "end": { "local": "2004-05-23T11:39:16-03:00", "utc": "2004-05-23T14:39:16Z", "ms": 1085323156048.0769 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-22T09:16:13-03:00", "utc": "2004-05-22T12:16:13Z", "ms": 1085228173198.6891 }, "end": { "local": "2004-05-23T11:39:16-03:00", "utc": "2004-05-23T14:39:16Z", "ms": 1085323156048.0769 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-22", "window": { "start": { "local": "2004-05-22T12:26:04-03:00", "utc": "2004-05-22T15:26:04Z", "ms": 1085239564093.6584 }, "end": { "local": "2004-05-22T13:14:04-03:00", "utc": "2004-05-22T16:14:04Z", "ms": 1085242444093.6584 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-05-23", "window": { "start": { "local": "2004-05-23T12:26:09-03:00", "utc": "2004-05-23T15:26:09Z", "ms": 1085325969490.1509 }, "end": { "local": "2004-05-23T13:14:09-03:00", "utc": "2004-05-23T16:14:09Z", "ms": 1085328849490.1509 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:16 on Sat 22 May to 11:39 on Sun 23 May.", "fact": "2004-05-22T12:16:13Z → 2004-05-23T14:39:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 22nd, 12:26–13:14 on the 23rd.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2813 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2004: Saturday 22 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": "2004-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-22", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2004 falls on Saturday 22 May. Caturthī runs from 09:16 on Sat 22 May to 11:39 on Sun 23 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/vinayaka-chaturthi?on=2004-05-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1925, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-05-24T13:46:20-03:00", "utc": "2004-05-24T16:46:20Z", "ms": 1085417180411.4386 }, "end": { "local": "2004-05-25T15:28:31-03:00", "utc": "2004-05-25T18:28:31Z", "ms": 1085509710583.4672 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-24T13:46:20-03:00", "utc": "2004-05-24T16:46:20Z", "ms": 1085417180411.4386 }, "end": { "local": "2004-05-25T15:28:31-03:00", "utc": "2004-05-25T18:28:31Z", "ms": 1085509710583.4672 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-24", "window": { "start": { "local": "2004-05-24T12:26:15-03:00", "utc": "2004-05-24T15:26:15Z", "ms": 1085412375384.2856 }, "end": { "local": "2004-05-24T13:14:15-03:00", "utc": "2004-05-24T16:14:15Z", "ms": 1085415255384.2856 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-05-25", "window": { "start": { "local": "2004-05-25T12:26:22-03:00", "utc": "2004-05-25T15:26:22Z", "ms": 1085498781762.9226 }, "end": { "local": "2004-05-25T13:14:22-03:00", "utc": "2004-05-25T16:14:22Z", "ms": 1085501661762.9226 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:46 on Mon 24 May to 15:29 on Tue 25 May.", "fact": "2004-05-24T16:46:20Z → 2004-05-25T18:28:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 24th, 12:26–13:14 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1925 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Buenos Aires, 2004: Tuesday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-25", "confidence": "boundary" } ], "quote": "In Buenos Aires, Araṇya Gaurī Vrata 2004 falls on Tuesday 25 May. Ṣaṣṭhī runs from 13:46 on Mon 24 May to 15:29 on Tue 25 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1925, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-05-24T13:46:20-03:00", "utc": "2004-05-24T16:46:20Z", "ms": 1085417180411.4386 }, "end": { "local": "2004-05-25T15:28:31-03:00", "utc": "2004-05-25T18:28:31Z", "ms": 1085509710583.4672 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-24T13:46:20-03:00", "utc": "2004-05-24T16:46:20Z", "ms": 1085417180411.4386 }, "end": { "local": "2004-05-25T15:28:31-03:00", "utc": "2004-05-25T18:28:31Z", "ms": 1085509710583.4672 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-24", "window": { "start": { "local": "2004-05-24T12:26:15-03:00", "utc": "2004-05-24T15:26:15Z", "ms": 1085412375384.2856 }, "end": { "local": "2004-05-24T13:14:15-03:00", "utc": "2004-05-24T16:14:15Z", "ms": 1085415255384.2856 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-05-25", "window": { "start": { "local": "2004-05-25T12:26:22-03:00", "utc": "2004-05-25T15:26:22Z", "ms": 1085498781762.9226 }, "end": { "local": "2004-05-25T13:14:22-03:00", "utc": "2004-05-25T16:14:22Z", "ms": 1085501661762.9226 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:46 on Mon 24 May to 15:29 on Tue 25 May.", "fact": "2004-05-24T16:46:20Z → 2004-05-25T18:28:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 24th, 12:26–13:14 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1925 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Buenos Aires, 2004: Tuesday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-24", "confidence": "boundary" } ], "quote": "In Buenos Aires, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2004 falls on Tuesday 25 May. Ṣaṣṭhī runs from 13:46 on Mon 24 May to 15:29 on Tue 25 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-05-30", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22158, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-05-29T15:47:30-03:00", "utc": "2004-05-29T18:47:30Z", "ms": 1085856450138.8689 }, "end": { "local": "2004-05-30T14:00:25-03:00", "utc": "2004-05-30T17:00:25Z", "ms": 1085936425301.4324 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-29T15:47:30-03:00", "utc": "2004-05-29T18:47:30Z", "ms": 1085856450138.8689 }, "end": { "local": "2004-05-30T14:00:25-03:00", "utc": "2004-05-30T17:00:25Z", "ms": 1085936425301.4324 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-05-29", "window": { "start": { "local": "2004-05-29T07:50:30-03:00", "utc": "2004-05-29T10:50:30Z", "ms": 1085827829530.6517 }, "end": { "local": "2004-05-29T07:50:30-03:00", "utc": "2004-05-29T10:50:30Z", "ms": 1085827829530.6517 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-05-30", "window": { "start": { "local": "2004-05-30T07:51:07-03:00", "utc": "2004-05-30T10:51:07Z", "ms": 1085914266954.2395 }, "end": { "local": "2004-05-30T07:51:07-03:00", "utc": "2004-05-30T10:51:07Z", "ms": 1085914266954.2395 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:48 on Sat 29 May to 14:00 on Sun 30 May.", "fact": "2004-05-29T18:47:30Z → 2004-05-30T17:00:25Z" }, { "step": "kaala", "text": "Sunrise is at 07:50 on the 29th and 07:51 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22158 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Buenos Aires, 2004: Sunday 30 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-30", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nirjalā Ekādaśī 2004 falls on Sunday 30 May. Ekādaśī runs from 15:48 on Sat 29 May to 14:00 on Sun 30 May and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-05-30", "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/2004/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2725, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-05-30T14:00:25-03:00", "utc": "2004-05-30T17:00:25Z", "ms": 1085936425301.4324 }, "end": { "local": "2004-05-31T11:32:50-03:00", "utc": "2004-05-31T14:32:50Z", "ms": 1086013969923.5846 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-30T14:00:25-03:00", "utc": "2004-05-30T17:00:25Z", "ms": 1085936425301.4324 }, "end": { "local": "2004-05-31T11:32:50-03:00", "utc": "2004-05-31T14:32:50Z", "ms": 1086013969923.5846 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-30", "window": { "start": { "local": "2004-05-30T12:27:00-03:00", "utc": "2004-05-30T15:27:00Z", "ms": 1085930820444.7349 }, "end": { "local": "2004-05-30T13:15:00-03:00", "utc": "2004-05-30T16:15:00Z", "ms": 1085933700444.7349 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-05-31", "window": { "start": { "local": "2004-05-31T12:27:09-03:00", "utc": "2004-05-31T15:27:09Z", "ms": 1086017229443.0432 }, "end": { "local": "2004-05-31T13:15:09-03:00", "utc": "2004-05-31T16:15:09Z", "ms": 1086020109443.0432 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 14:00 on Sun 30 May to 11:33 on Mon 31 May.", "fact": "2004-05-30T17:00:25Z → 2004-05-31T14:32:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 30th, 12:27–13:15 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 2725 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Buenos Aires, 2004: Monday 31 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-31", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śrī Rāma Dvādaśī 2004 falls on Monday 31 May. Dvādaśī runs from 14:00 on Sun 30 May to 11:33 on Mon 31 May, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/pradosha-vrata?on=2004-05-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22665, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-05-31T11:32:50-03:00", "utc": "2004-05-31T14:32:50Z", "ms": 1086013969923.5846 }, "end": { "local": "2004-06-01T08:31:12-03:00", "utc": "2004-06-01T11:31:12Z", "ms": 1086089472053.1819 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-31T11:32:50-03:00", "utc": "2004-05-31T14:32:50Z", "ms": 1086013969923.5846 }, "end": { "local": "2004-06-01T08:31:12-03:00", "utc": "2004-06-01T11:31:12Z", "ms": 1086089472053.1819 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-05-31", "window": { "start": { "local": "2004-05-31T17:50:35-03:00", "utc": "2004-05-31T20:50:35Z", "ms": 1086036635286.9697 }, "end": { "local": "2004-05-31T19:42:49-03:00", "utc": "2004-05-31T22:42:49Z", "ms": 1086043369173.4248 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "2004-06-01", "window": { "start": { "local": "2004-06-01T17:50:18-03:00", "utc": "2004-06-01T20:50:18Z", "ms": 1086123018226.7452 }, "end": { "local": "2004-06-01T19:42:39-03:00", "utc": "2004-06-01T22:42:39Z", "ms": 1086129759054.479 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:33 on Mon 31 May to 08:31 on Tue 1 Jun.", "fact": "2004-05-31T14:32:50Z → 2004-06-01T11:31:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:43 on the 31st, 17:50–19:43 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 112 of 112 minutes on the 31st and 0 of 112 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 22665 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2004: Monday 31 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-31", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2004 falls on Monday 31 May. Trayodaśī runs from 11:33 on Mon 31 May to 08:31 on Tue 1 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-05-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20224, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-06-02T05:03:41-03:00", "utc": "2004-06-02T08:03:41Z", "ms": 1086163420637.6702 }, "end": { "local": "2004-06-03T01:19:35-03:00", "utc": "2004-06-03T04:19:35Z", "ms": 1086236374611.9591 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-02T05:03:41-03:00", "utc": "2004-06-02T08:03:41Z", "ms": 1086163420637.6702 }, "end": { "local": "2004-06-03T01:19:35-03:00", "utc": "2004-06-03T04:19:35Z", "ms": 1086236374611.9591 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-06-01", "window": { "start": { "local": "2004-06-01T17:50:18-03:00", "utc": "2004-06-01T20:50:18Z", "ms": 1086123018226.7452 }, "end": { "local": "2004-06-01T19:42:39-03:00", "utc": "2004-06-01T22:42:39Z", "ms": 1086129759054.479 } }, "covered_min": 0, "window_min": 112, "qualifies": false }, { "local_date": "2004-06-02", "window": { "start": { "local": "2004-06-02T17:50:03-03:00", "utc": "2004-06-02T20:50:03Z", "ms": 1086209402758.8597 }, "end": { "local": "2004-06-02T19:42:30-03:00", "utc": "2004-06-02T22:42:30Z", "ms": 1086216150200.3644 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:04 on Wed 2 Jun to 01:20 on Thu 3 Jun.", "fact": "2004-06-02T08:03:41Z → 2004-06-03T04:19:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:43 on the 1st, 17:50–19:43 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 112 minutes on the 1st and 112 of 112 on the 2nd.", "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 20224 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Buenos Aires, 2004: Wednesday 2 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vata-savitri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vaṭa Sāvitrī Vrata 2004 falls on Wednesday 2 June. Pūrṇimā runs from 05:04 on Wed 2 Jun to 01:20 on Thu 3 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/sankashta-chaturthi?on=2004-06-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22941, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-06-05T14:09:31-03:00", "utc": "2004-06-05T17:09:31Z", "ms": 1086455371389.6495 }, "end": { "local": "2004-06-06T11:00:58-03:00", "utc": "2004-06-06T14:00:58Z", "ms": 1086530457549.5923 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-05T14:09:31-03:00", "utc": "2004-06-05T17:09:31Z", "ms": 1086455371389.6495 }, "end": { "local": "2004-06-06T11:00:58-03:00", "utc": "2004-06-06T14:00:58Z", "ms": 1086530457549.5923 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-06-05", "window": { "start": { "local": "2004-06-05T20:31:52-03:00", "utc": "2004-06-05T23:31:52Z", "ms": 1086478312287.9989 }, "end": { "local": "2004-06-05T20:31:52-03:00", "utc": "2004-06-05T23:31:52Z", "ms": 1086478312287.9989 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-06-06", "window": { "start": { "local": "2004-06-06T21:45:06-03:00", "utc": "2004-06-07T00:45:06Z", "ms": 1086569106327.743 }, "end": { "local": "2004-06-06T21:45:06-03:00", "utc": "2004-06-07T00:45:06Z", "ms": 1086569106327.743 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:10 on Sat 5 Jun to 11:01 on Sun 6 Jun.", "fact": "2004-06-05T17:09:31Z → 2004-06-06T14:00:58Z" }, { "step": "kaala", "text": "Moonrise is at 20:32 on the 5th and 21:45 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22941 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2004: Saturday 5 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": "2004-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-05", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2004 falls on Saturday 5 June. Caturthī runs from 14:10 on Sat 5 Jun to 11:01 on Sun 6 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-06-05", "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/2004/ekadashi?on=2004-06-13", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-06-13", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 245, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-06-12T06:23:55-03:00", "utc": "2004-06-12T09:23:55Z", "ms": 1087032234540.4553 }, "end": { "local": "2004-06-13T08:02:21-03:00", "utc": "2004-06-13T11:02:21Z", "ms": 1087124540950.391 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-12T06:23:55-03:00", "utc": "2004-06-12T09:23:55Z", "ms": 1087032234540.4553 }, "end": { "local": "2004-06-13T08:02:21-03:00", "utc": "2004-06-13T11:02:21Z", "ms": 1087124540950.391 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-06-12", "window": { "start": { "local": "2004-06-12T07:57:52-03:00", "utc": "2004-06-12T10:57:52Z", "ms": 1087037872059.8413 }, "end": { "local": "2004-06-12T07:57:52-03:00", "utc": "2004-06-12T10:57:52Z", "ms": 1087037872059.8413 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-06-13", "window": { "start": { "local": "2004-06-13T07:58:16-03:00", "utc": "2004-06-13T10:58:16Z", "ms": 1087124295889.3235 }, "end": { "local": "2004-06-13T07:58:16-03:00", "utc": "2004-06-13T10:58:16Z", "ms": 1087124295889.3235 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:24 on Sat 12 Jun to 08:02 on Sun 13 Jun.", "fact": "2004-06-12T09:23:55Z → 2004-06-13T11:02:21Z" }, { "step": "kaala", "text": "Sunrise is at 07:58 on the 12th and 07:58 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 12th and is on the 13th.", "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 245 s < 300 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Buenos Aires, 2004: Sunday 13 June.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-13", "confidence": "boundary" } ], "quote": "In Buenos Aires, Yoginī Ekādaśī 2004 falls on Sunday 13 June. Ekādaśī runs from 06:24 on Sat 12 Jun to 08:02 on Sun 13 Jun and is current at sunrise that day. It is 4 min 05 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-06-13", "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/2004/pradosha-vrata?on=2004-06-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19325, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-06-14T10:06:21-03:00", "utc": "2004-06-14T13:06:21Z", "ms": 1087218381227.603 }, "end": { "local": "2004-06-15T12:27:01-03:00", "utc": "2004-06-15T15:27:01Z", "ms": 1087313221061.7688 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-14T10:06:21-03:00", "utc": "2004-06-14T13:06:21Z", "ms": 1087218381227.603 }, "end": { "local": "2004-06-15T12:27:01-03:00", "utc": "2004-06-15T15:27:01Z", "ms": 1087313221061.7688 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-06-14", "window": { "start": { "local": "2004-06-14T17:49:01-03:00", "utc": "2004-06-14T20:49:01Z", "ms": 1087246141309.6887 }, "end": { "local": "2004-06-14T19:42:21-03:00", "utc": "2004-06-14T22:42:21Z", "ms": 1087252941118.9923 } }, "covered_min": 113, "window_min": 113, "qualifies": true }, { "local_date": "2004-06-15", "window": { "start": { "local": "2004-06-15T17:49:06-03:00", "utc": "2004-06-15T20:49:06Z", "ms": 1087332546314.1736 }, "end": { "local": "2004-06-15T19:42:28-03:00", "utc": "2004-06-15T22:42:28Z", "ms": 1087339348135.529 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:06 on Mon 14 Jun to 12:27 on Tue 15 Jun.", "fact": "2004-06-14T13:06:21Z → 2004-06-15T15:27:01Z" }, { "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": "Trayodaśī must be present during pradoṣa. It covers 113 of 113 minutes on the 14th and 0 of 113 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 19325 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2004: Monday 14 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": "2004-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2004 falls on Monday 14 June. Trayodaśī runs from 10:06 on Mon 14 Jun to 12:27 on Tue 15 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/shivaratri?on=2004-06-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34457, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-06-15T12:27:01-03:00", "utc": "2004-06-15T15:27:01Z", "ms": 1087313221061.7688 }, "end": { "local": "2004-06-16T14:56:09-03:00", "utc": "2004-06-16T17:56:09Z", "ms": 1087408569177.1553 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-15T12:27:01-03:00", "utc": "2004-06-15T15:27:01Z", "ms": 1087313221061.7688 }, "end": { "local": "2004-06-16T14:56:09-03:00", "utc": "2004-06-16T17:56:09Z", "ms": 1087408569177.1553 } }, "kaala": "nishita", "days": [ { "local_date": "2004-06-15", "window": { "start": { "local": "2004-06-16T00:30:13-03:00", "utc": "2004-06-16T03:30:13Z", "ms": 1087356613144.2566 }, "end": { "local": "2004-06-16T01:18:13-03:00", "utc": "2004-06-16T04:18:13Z", "ms": 1087359493144.2566 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-06-16", "window": { "start": { "local": "2004-06-17T00:30:26-03:00", "utc": "2004-06-17T03:30:26Z", "ms": 1087443025782.2274 }, "end": { "local": "2004-06-17T01:18:26-03:00", "utc": "2004-06-17T04:18:26Z", "ms": 1087445905782.2274 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:27 on Tue 15 Jun to 14:56 on Wed 16 Jun.", "fact": "2004-06-15T15:27:01Z → 2004-06-16T17:56:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:30–01:18 on the 15th, 00:30–01:18 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34457 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2004: Tuesday 15 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": "2004-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2004 falls on Tuesday 15 June. Caturdaśī runs from 12:27 on Tue 15 Jun to 14:56 on Wed 16 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/shivaratri?on=2004-06-15", "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/2004/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23665, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2004-06-18T19:53:08-03:00", "utc": "2004-06-18T22:53:08Z", "ms": 1087599188278.6367 }, "end": { "local": "2004-06-19T22:10:11-03:00", "utc": "2004-06-20T01:10:11Z", "ms": 1087693810734.0426 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-18T19:53:08-03:00", "utc": "2004-06-18T22:53:08Z", "ms": 1087599188278.6367 }, "end": { "local": "2004-06-19T22:10:11-03:00", "utc": "2004-06-20T01:10:11Z", "ms": 1087693810734.0426 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-06-18", "window": { "start": { "local": "2004-06-18T12:30:43-03:00", "utc": "2004-06-18T15:30:43Z", "ms": 1087572643179.8418 }, "end": { "local": "2004-06-18T13:18:43-03:00", "utc": "2004-06-18T16:18:43Z", "ms": 1087575523179.8418 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-06-19", "window": { "start": { "local": "2004-06-19T12:30:57-03:00", "utc": "2004-06-19T15:30:57Z", "ms": 1087659056622.293 }, "end": { "local": "2004-06-19T13:18:57-03:00", "utc": "2004-06-19T16:18:57Z", "ms": 1087661936622.293 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 19:53 on Fri 18 Jun to 22:10 on Sat 19 Jun.", "fact": "2004-06-18T22:53:08Z → 2004-06-20T01:10:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 18th, 12:31–13:19 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23665 s" }, { "step": "ruling", "text": "Rathayātrā, Buenos Aires, 2004: Saturday 19 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rathayātrā 2004 falls on Saturday 19 June. Dvitīyā runs from 19:53 on Fri 18 Jun to 22:10 on Sat 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/vinayaka-chaturthi?on=2004-06-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38093, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-06-21T00:13:05-03:00", "utc": "2004-06-21T03:13:05Z", "ms": 1087787584802.9404 }, "end": { "local": "2004-06-22T01:56:44-03:00", "utc": "2004-06-22T04:56:44Z", "ms": 1087880204088.0494 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-21T00:13:05-03:00", "utc": "2004-06-21T03:13:05Z", "ms": 1087787584802.9404 }, "end": { "local": "2004-06-22T01:56:44-03:00", "utc": "2004-06-22T04:56:44Z", "ms": 1087880204088.0494 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-06-21", "window": { "start": { "local": "2004-06-21T12:31:23-03:00", "utc": "2004-06-21T15:31:23Z", "ms": 1087831883464.4346 }, "end": { "local": "2004-06-21T13:19:23-03:00", "utc": "2004-06-21T16:19:23Z", "ms": 1087834763464.4346 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-06-22", "window": { "start": { "local": "2004-06-22T12:31:37-03:00", "utc": "2004-06-22T15:31:37Z", "ms": 1087918296809.5503 }, "end": { "local": "2004-06-22T13:19:37-03:00", "utc": "2004-06-22T16:19:37Z", "ms": 1087921176809.5503 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:13 on Mon 21 Jun to 01:57 on Tue 22 Jun.", "fact": "2004-06-21T03:13:05Z → 2004-06-22T04:56:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 21st, 12:32–13:20 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38093 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2004: Monday 21 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": "2004-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2004 falls on Monday 21 June. Caturthī runs from 00:13 on Mon 21 Jun to 01:57 on Tue 22 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/vinayaka-chaturthi?on=2004-06-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33374, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-06-22T01:56:44-03:00", "utc": "2004-06-22T04:56:44Z", "ms": 1087880204088.0494 }, "end": { "local": "2004-06-23T03:15:36-03:00", "utc": "2004-06-23T06:15:36Z", "ms": 1087971336087.1124 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-22T01:56:44-03:00", "utc": "2004-06-22T04:56:44Z", "ms": 1087880204088.0494 }, "end": { "local": "2004-06-23T03:15:36-03:00", "utc": "2004-06-23T06:15:36Z", "ms": 1087971336087.1124 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-06-22", "window": { "start": { "local": "2004-06-22T12:31:37-03:00", "utc": "2004-06-22T15:31:37Z", "ms": 1087918296809.5503 }, "end": { "local": "2004-06-22T13:19:37-03:00", "utc": "2004-06-22T16:19:37Z", "ms": 1087921176809.5503 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-06-23", "window": { "start": { "local": "2004-06-23T12:31:50-03:00", "utc": "2004-06-23T15:31:50Z", "ms": 1088004710068.2322 }, "end": { "local": "2004-06-23T13:19:50-03:00", "utc": "2004-06-23T16:19:50Z", "ms": 1088007590068.2322 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 01:57 on Tue 22 Jun to 03:16 on Wed 23 Jun.", "fact": "2004-06-22T04:56:44Z → 2004-06-23T06:15:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 22nd, 12:32–13:20 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33374 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Buenos Aires, 2004: Tuesday 22 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-22", "confidence": "determinate" } ], "quote": "In Buenos Aires, Skanda Pañcamī 2004 falls on Tuesday 22 June. Pañcamī runs from 01:57 on Tue 22 Jun to 03:16 on Wed 23 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29748, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-06-24T04:03:57-03:00", "utc": "2004-06-24T07:03:57Z", "ms": 1088060637024.0225 }, "end": { "local": "2004-06-25T04:16:29-03:00", "utc": "2004-06-25T07:16:29Z", "ms": 1088147788614.6029 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-24T04:03:57-03:00", "utc": "2004-06-24T07:03:57Z", "ms": 1088060637024.0225 }, "end": { "local": "2004-06-25T04:16:29-03:00", "utc": "2004-06-25T07:16:29Z", "ms": 1088147788614.6029 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-06-24", "window": { "start": { "local": "2004-06-24T12:32:03-03:00", "utc": "2004-06-24T15:32:03Z", "ms": 1088091123214.3015 }, "end": { "local": "2004-06-24T13:20:03-03:00", "utc": "2004-06-24T16:20:03Z", "ms": 1088094003214.3015 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-06-25", "window": { "start": { "local": "2004-06-25T12:32:16-03:00", "utc": "2004-06-25T15:32:16Z", "ms": 1088177536222.3204 }, "end": { "local": "2004-06-25T13:20:16-03:00", "utc": "2004-06-25T16:20:16Z", "ms": 1088180416222.3204 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:04 on Thu 24 Jun to 04:16 on Fri 25 Jun.", "fact": "2004-06-24T07:03:57Z → 2004-06-25T07:16:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 24th, 12:32–13:20 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29748 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Buenos Aires, 2004: Thursday 24 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vivasvat Saptamī 2004 falls on Thursday 24 June. Saptamī runs from 04:04 on Thu 24 Jun to 04:16 on Fri 25 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-06-28", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25968, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-06-28T00:48:43-03:00", "utc": "2004-06-28T03:48:43Z", "ms": 1088394522619.4586 }, "end": { "local": "2004-06-28T22:19:01-03:00", "utc": "2004-06-29T01:19:01Z", "ms": 1088471940631.5636 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-28T00:48:43-03:00", "utc": "2004-06-28T03:48:43Z", "ms": 1088394522619.4586 }, "end": { "local": "2004-06-28T22:19:01-03:00", "utc": "2004-06-29T01:19:01Z", "ms": 1088471940631.5636 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-06-28", "window": { "start": { "local": "2004-06-28T08:01:31-03:00", "utc": "2004-06-28T11:01:31Z", "ms": 1088420490865.0199 }, "end": { "local": "2004-06-28T08:01:31-03:00", "utc": "2004-06-28T11:01:31Z", "ms": 1088420490865.0199 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-06-29", "window": { "start": { "local": "2004-06-29T08:01:32-03:00", "utc": "2004-06-29T11:01:32Z", "ms": 1088506891872.5006 }, "end": { "local": "2004-06-29T08:01:32-03:00", "utc": "2004-06-29T11:01:32Z", "ms": 1088506891872.5006 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:49 on Mon 28 Jun to 22:19 on Mon 28 Jun.", "fact": "2004-06-28T03:48:43Z → 2004-06-29T01:19:01Z" }, { "step": "kaala", "text": "Sunrise is at 08:02 on the 28th and 08:02 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25968 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Buenos Aires, 2004: Monday 28 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Hariśayanī Ekādaśī 2004 falls on Monday 28 June. Ekādaśī runs from 00:49 on Mon 28 Jun to 22:19 on Mon 28 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-06-28", "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/2004/pradosha-vrata?on=2004-06-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1791, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-06-29T19:16:01-03:00", "utc": "2004-06-29T22:16:01Z", "ms": 1088547360581.2997 }, "end": { "local": "2004-06-30T15:47:08-03:00", "utc": "2004-06-30T18:47:08Z", "ms": 1088621227974.4841 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-29T19:16:01-03:00", "utc": "2004-06-29T22:16:01Z", "ms": 1088547360581.2997 }, "end": { "local": "2004-06-30T15:47:08-03:00", "utc": "2004-06-30T18:47:08Z", "ms": 1088621227974.4841 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-06-29", "window": { "start": { "local": "2004-06-29T17:52:41-03:00", "utc": "2004-06-29T20:52:41Z", "ms": 1088542360933.2058 }, "end": { "local": "2004-06-29T19:45:52-03:00", "utc": "2004-06-29T22:45:52Z", "ms": 1088549151646.7007 } }, "covered_min": 30, "window_min": 113, "qualifies": true }, { "local_date": "2004-06-30", "window": { "start": { "local": "2004-06-30T17:53:05-03:00", "utc": "2004-06-30T20:53:05Z", "ms": 1088628785474.8246 }, "end": { "local": "2004-06-30T19:46:13-03:00", "utc": "2004-06-30T22:46:13Z", "ms": 1088635572624.1256 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:16 on Tue 29 Jun to 15:47 on Wed 30 Jun.", "fact": "2004-06-29T22:16:01Z → 2004-06-30T18:47:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:46 on the 29th, 17:53–19:46 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 30 of 113 minutes on the 29th and 0 of 113 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 1791 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2004: Tuesday 29 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": "2004-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2004 falls on Tuesday 29 June. Trayodaśī runs from 19:16 on Tue 29 Jun to 15:47 on Wed 30 Jun and covers 30 of 113 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-06-29", "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/2004/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-07-01", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 449, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-07-01T12:01:23-03:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T08:08:55-03:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-07-01T12:01:23-03:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T08:08:55-03:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 } }, "kaala": "udaya-3", "days": [ { "local_date": "2004-07-01", "window": { "start": { "local": "2004-07-01T08:01:29-03:00", "utc": "2004-07-01T11:01:29Z", "ms": 1088679689094.5825 }, "end": { "local": "2004-07-01T09:59:53-03:00", "utc": "2004-07-01T12:59:53Z", "ms": 1088686793493.5675 } }, "covered_min": 0, "window_min": 118, "qualifies": false }, { "local_date": "2004-07-02", "window": { "start": { "local": "2004-07-02T08:01:25-03:00", "utc": "2004-07-02T11:01:25Z", "ms": 1088766085298.7042 }, "end": { "local": "2004-07-02T09:59:56-03:00", "utc": "2004-07-02T12:59:56Z", "ms": 1088773195788.9546 } }, "covered_min": 7, "window_min": 119, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:01 on Thu 1 Jul to 08:09 on Fri 2 Jul.", "fact": "2004-07-01T15:01:23Z → 2004-07-02T11:08:55Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 08:01–10:00 on the 1st, 08:01–10:00 on the 2nd.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 118 minutes on the 1st and 7 of 119 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither morning qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 449 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Buenos Aires, 2004: Thursday 1 July.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2004-07-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-01", "confidence": "boundary" } ], "quote": "In Buenos Aires, Vyāsa Pūjā 2004 falls on Thursday 1 July. Pūrṇimā runs from 12:01 on Thu 1 Jul to 08:09 on Fri 2 Jul, and reaches the first three muhūrtas after sunrise on neither day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1927, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-07-01T12:01:23-03:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T08:08:55-03:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-07-01T12:01:23-03:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T08:08:55-03:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-07-01", "window": { "start": { "local": "2004-07-01T12:33:30-03:00", "utc": "2004-07-01T15:33:30Z", "ms": 1088696010092.0452 }, "end": { "local": "2004-07-01T13:21:30-03:00", "utc": "2004-07-01T16:21:30Z", "ms": 1088698890092.0452 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-07-02", "window": { "start": { "local": "2004-07-02T12:33:42-03:00", "utc": "2004-07-02T15:33:42Z", "ms": 1088782421524.3303 }, "end": { "local": "2004-07-02T13:21:42-03:00", "utc": "2004-07-02T16:21:42Z", "ms": 1088785301524.3303 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:01 on Thu 1 Jul to 08:09 on Fri 2 Jul.", "fact": "2004-07-01T15:01:23Z → 2004-07-02T11:08:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 1st, 12:34–13:22 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1927 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Buenos Aires, 2004: Thursday 1 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": "2004-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-01", "confidence": "boundary" } ], "quote": "In Buenos Aires, Guru Pūrṇimā 2004 falls on Thursday 1 July. Pūrṇimā runs from 12:01 on Thu 1 Jul to 08:09 on Fri 2 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14023, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-07-01T12:01:23-03:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T08:08:55-03:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-07-01T12:01:23-03:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T08:08:55-03:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 } }, "kaala": "sayahna", "days": [ { "local_date": "2004-07-01", "window": { "start": { "local": "2004-07-01T15:55:07-03:00", "utc": "2004-07-01T18:55:07Z", "ms": 1088708106690.5227 }, "end": { "local": "2004-07-01T17:53:31-03:00", "utc": "2004-07-01T20:53:31Z", "ms": 1088715211089.5077 } }, "covered_min": 118, "window_min": 118, "qualifies": true }, { "local_date": "2004-07-02", "window": { "start": { "local": "2004-07-02T15:55:27-03:00", "utc": "2004-07-02T18:55:27Z", "ms": 1088794527259.7059 }, "end": { "local": "2004-07-02T17:53:58-03:00", "utc": "2004-07-02T20:53:58Z", "ms": 1088801637749.9563 } }, "covered_min": 0, "window_min": 119, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:01 on Thu 1 Jul to 08:09 on Fri 2 Jul.", "fact": "2004-07-01T15:01:23Z → 2004-07-02T11:08:55Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:55–17:54 on the 1st, 15:55–17:54 on the 2nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 118 of 118 minutes on the 1st and 0 of 119 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14023 s" }, { "step": "ruling", "text": "Kokilā Vrata, Buenos Aires, 2004: Thursday 1 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": "2004-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kokilā Vrata 2004 falls on Thursday 1 July. Pūrṇimā runs from 12:01 on Thu 1 Jul to 08:09 on Fri 2 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21128, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-07-01T12:01:23-03:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T08:08:55-03:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-07-01T12:01:23-03:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T08:08:55-03:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-07-01", "window": { "start": { "local": "2004-07-01T17:53:31-03:00", "utc": "2004-07-01T20:53:31Z", "ms": 1088715211089.5077 }, "end": { "local": "2004-07-01T19:46:34-03:00", "utc": "2004-07-01T22:46:34Z", "ms": 1088721994317.4005 } }, "covered_min": 113, "window_min": 113, "qualifies": true }, { "local_date": "2004-07-02", "window": { "start": { "local": "2004-07-02T17:53:58-03:00", "utc": "2004-07-02T20:53:58Z", "ms": 1088801637749.9563 }, "end": { "local": "2004-07-02T19:46:57-03:00", "utc": "2004-07-02T22:46:57Z", "ms": 1088808416702.4647 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:01 on Thu 1 Jul to 08:09 on Fri 2 Jul.", "fact": "2004-07-01T15:01:23Z → 2004-07-02T11:08:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:47 on the 1st, 17:54–19:47 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 113 of 113 minutes on the 1st and 0 of 113 on the 2nd.", "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 21128 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Buenos Aires, 2004: Thursday 1 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": "2004-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śiva Śayanotsava 2004 falls on Thursday 1 July. Pūrṇimā runs from 12:01 on Thu 1 Jul to 08:09 on Fri 2 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19566, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2004-07-03T04:20:31-03:00", "utc": "2004-07-03T07:20:31Z", "ms": 1088839230688.6506 }, "end": { "local": "2004-07-04T00:47:15-03:00", "utc": "2004-07-04T03:47:15Z", "ms": 1088912834897.0269 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-03T04:20:31-03:00", "utc": "2004-07-03T07:20:31Z", "ms": 1088839230688.6506 }, "end": { "local": "2004-07-04T00:47:15-03:00", "utc": "2004-07-04T03:47:15Z", "ms": 1088912834897.0269 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-07-02", "window": { "start": { "local": "2004-07-02T18:06:32-03:00", "utc": "2004-07-02T21:06:32Z", "ms": 1088802391767.4696 }, "end": { "local": "2004-07-02T18:06:32-03:00", "utc": "2004-07-02T21:06:32Z", "ms": 1088802391767.4696 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-07-03", "window": { "start": { "local": "2004-07-03T19:21:08-03:00", "utc": "2004-07-03T22:21:08Z", "ms": 1088893268487.6884 }, "end": { "local": "2004-07-03T19:21:08-03:00", "utc": "2004-07-03T22:21:08Z", "ms": 1088893268487.6884 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 04:21 on Sat 3 Jul to 00:47 on Sun 4 Jul.", "fact": "2004-07-03T07:20:31Z → 2004-07-04T03:47:15Z" }, { "step": "kaala", "text": "Moonrise is at 18:07 on the 2nd and 19:21 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19566 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Buenos Aires, 2004: Saturday 3 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": "2004-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Aśūnya Śayana Vrata (Āṣāḍha) 2004 falls on Saturday 3 July. Dvitīyā runs from 04:21 on Sat 3 Jul to 00:47 on Sun 4 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/sankashta-chaturthi?on=2004-07-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-07-04", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3846, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-07-04T21:39:55-03:00", "utc": "2004-07-05T00:39:55Z", "ms": 1088987995173.099 }, "end": { "local": "2004-07-05T19:08:27-03:00", "utc": "2004-07-05T22:08:27Z", "ms": 1089065306505.1351 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-04T21:39:55-03:00", "utc": "2004-07-05T00:39:55Z", "ms": 1088987995173.099 }, "end": { "local": "2004-07-05T19:08:27-03:00", "utc": "2004-07-05T22:08:27Z", "ms": 1089065306505.1351 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-07-04", "window": { "start": { "local": "2004-07-04T20:35:49-03:00", "utc": "2004-07-04T23:35:49Z", "ms": 1088984148987.525 }, "end": { "local": "2004-07-04T20:35:49-03:00", "utc": "2004-07-04T23:35:49Z", "ms": 1088984148987.525 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-07-05", "window": { "start": { "local": "2004-07-05T21:47:08-03:00", "utc": "2004-07-06T00:47:08Z", "ms": 1089074827709.3654 }, "end": { "local": "2004-07-05T21:47:08-03:00", "utc": "2004-07-06T00:47:08Z", "ms": 1089074827709.3654 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:40 on Sun 4 Jul to 19:08 on Mon 5 Jul.", "fact": "2004-07-05T00:39:55Z → 2004-07-05T22:08:27Z" }, { "step": "kaala", "text": "Moonrise is at 20:36 on the 4th and 21:47 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 3846 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2004: Sunday 4 July.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-07-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-04", "confidence": "boundary" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2004 falls on Sunday 4 July. Caturthī runs from 21:40 on Sun 4 Jul to 19:08 on Mon 5 Jul, and is current at moonrise on neither day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-07-04", "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/2004/ekadashi?on=2004-07-12", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32874, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-07-11T20:29:02-03:00", "utc": "2004-07-11T23:29:02Z", "ms": 1089588541629.332 }, "end": { "local": "2004-07-12T22:51:03-03:00", "utc": "2004-07-13T01:51:03Z", "ms": 1089683462937.9585 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-11T20:29:02-03:00", "utc": "2004-07-11T23:29:02Z", "ms": 1089588541629.332 }, "end": { "local": "2004-07-12T22:51:03-03:00", "utc": "2004-07-13T01:51:03Z", "ms": 1089683462937.9585 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-07-12", "window": { "start": { "local": "2004-07-12T07:59:18-03:00", "utc": "2004-07-12T10:59:18Z", "ms": 1089629958480.134 }, "end": { "local": "2004-07-12T07:59:18-03:00", "utc": "2004-07-12T10:59:18Z", "ms": 1089629958480.134 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-07-13", "window": { "start": { "local": "2004-07-13T07:58:57-03:00", "utc": "2004-07-13T10:58:57Z", "ms": 1089716336889.3229 }, "end": { "local": "2004-07-13T07:58:57-03:00", "utc": "2004-07-13T10:58:57Z", "ms": 1089716336889.3229 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:29 on Sun 11 Jul to 22:51 on Mon 12 Jul.", "fact": "2004-07-11T23:29:02Z → 2004-07-13T01:51:03Z" }, { "step": "kaala", "text": "Sunrise is at 07:59 on the 12th and 07:59 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32874 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Buenos Aires, 2004: Monday 12 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": "2004-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kāmikā Ekādaśī 2004 falls on Monday 12 July. Ekādaśī runs from 20:29 on Sun 11 Jul to 22:51 on Mon 12 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-07-12", "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/2004/pradosha-vrata?on=2004-07-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19859, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-07-14T01:22:40-03:00", "utc": "2004-07-14T04:22:40Z", "ms": 1089778960224.4274 }, "end": { "local": "2004-07-15T03:53:31-03:00", "utc": "2004-07-15T06:53:31Z", "ms": 1089874410899.4563 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-14T01:22:40-03:00", "utc": "2004-07-14T04:22:40Z", "ms": 1089778960224.4274 }, "end": { "local": "2004-07-15T03:53:31-03:00", "utc": "2004-07-15T06:53:31Z", "ms": 1089874410899.4563 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-07-13", "window": { "start": { "local": "2004-07-13T17:59:52-03:00", "utc": "2004-07-13T20:59:52Z", "ms": 1089752391754.5571 }, "end": { "local": "2004-07-13T19:51:41-03:00", "utc": "2004-07-13T22:51:41Z", "ms": 1089759101345.0117 } }, "covered_min": 0, "window_min": 112, "qualifies": false }, { "local_date": "2004-07-14", "window": { "start": { "local": "2004-07-14T18:00:29-03:00", "utc": "2004-07-14T21:00:29Z", "ms": 1089838828605.4462 }, "end": { "local": "2004-07-14T19:52:10-03:00", "utc": "2004-07-14T22:52:10Z", "ms": 1089845529973.3596 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:23 on Wed 14 Jul to 03:54 on Thu 15 Jul.", "fact": "2004-07-14T04:22:40Z → 2004-07-15T06:53:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:00–19:52 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": "Trayodaśī 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. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19859 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2004: Wednesday 14 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": "2004-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2004 falls on Wednesday 14 July. Trayodaśī runs from 01:23 on Wed 14 Jul to 03:54 on Thu 15 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-07-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/shivaratri?on=2004-07-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9012, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-07-15T03:53:31-03:00", "utc": "2004-07-15T06:53:31Z", "ms": 1089874410899.4563 }, "end": { "local": "2004-07-16T06:15:40-03:00", "utc": "2004-07-16T09:15:40Z", "ms": 1089969340083.2885 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-15T03:53:31-03:00", "utc": "2004-07-15T06:53:31Z", "ms": 1089874410899.4563 }, "end": { "local": "2004-07-16T06:15:40-03:00", "utc": "2004-07-16T09:15:40Z", "ms": 1089969340083.2885 } }, "kaala": "nishita", "days": [ { "local_date": "2004-07-14", "window": { "start": { "local": "2004-07-15T00:35:19-03:00", "utc": "2004-07-15T03:35:19Z", "ms": 1089862518735.1216 }, "end": { "local": "2004-07-15T01:23:19-03:00", "utc": "2004-07-15T04:23:19Z", "ms": 1089865398735.1216 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-07-15", "window": { "start": { "local": "2004-07-16T00:35:24-03:00", "utc": "2004-07-16T03:35:24Z", "ms": 1089948924259.4783 }, "end": { "local": "2004-07-16T01:23:24-03:00", "utc": "2004-07-16T04:23:24Z", "ms": 1089951804259.4783 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:54 on Thu 15 Jul to 06:16 on Fri 16 Jul.", "fact": "2004-07-15T06:53:31Z → 2004-07-16T09:15:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:35–01:23 on the 14th, 00:35–01:23 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9012 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2004: Thursday 15 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": "2004-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2004 falls on Thursday 15 July. Caturdaśī runs from 03:54 on Thu 15 Jul to 06:16 on Fri 16 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/shivaratri?on=2004-07-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/vinayaka-chaturthi?on=2004-07-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-07-21", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1061, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-07-20T12:55:30-03:00", "utc": "2004-07-20T15:55:30Z", "ms": 1090338930439.0996 }, "end": { "local": "2004-07-21T13:41:46-03:00", "utc": "2004-07-21T16:41:46Z", "ms": 1090428105610.8503 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-20T12:55:30-03:00", "utc": "2004-07-20T15:55:30Z", "ms": 1090338930439.0996 }, "end": { "local": "2004-07-21T13:41:46-03:00", "utc": "2004-07-21T16:41:46Z", "ms": 1090428105610.8503 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-07-20", "window": { "start": { "local": "2004-07-20T12:36:01-03:00", "utc": "2004-07-20T15:36:01Z", "ms": 1090337761156.9001 }, "end": { "local": "2004-07-20T13:24:01-03:00", "utc": "2004-07-20T16:24:01Z", "ms": 1090340641156.9001 } }, "covered_min": 29, "window_min": 48, "qualifies": true }, { "local_date": "2004-07-21", "window": { "start": { "local": "2004-07-21T12:36:04-03:00", "utc": "2004-07-21T15:36:04Z", "ms": 1090424164204.9897 }, "end": { "local": "2004-07-21T13:24:04-03:00", "utc": "2004-07-21T16:24:04Z", "ms": 1090427044204.9897 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:56 on Tue 20 Jul to 13:42 on Wed 21 Jul.", "fact": "2004-07-20T15:55:30Z → 2004-07-21T16:41:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 20th, 12:36–13:24 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 29 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1061 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2004: Wednesday 21 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-07-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-21", "confidence": "boundary" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2004 falls on Wednesday 21 July. Caturthī runs from 12:56 on Tue 20 Jul to 13:42 on Wed 21 Jul and covers all of madhyāhna that midday. It also reaches the previous midday for 29 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/2004/vinayaka-chaturthi?on=2004-07-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/ekadashi?on=2004-07-27", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 566, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-07-27T07:41:42-03:00", "utc": "2004-07-27T10:41:42Z", "ms": 1090924901977.3296 }, "end": { "local": "2004-07-28T04:50:05-03:00", "utc": "2004-07-28T07:50:05Z", "ms": 1091001004794.1643 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-27T07:41:42-03:00", "utc": "2004-07-27T10:41:42Z", "ms": 1090924901977.3296 }, "end": { "local": "2004-07-28T04:50:05-03:00", "utc": "2004-07-28T07:50:05Z", "ms": 1091001004794.1643 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-07-27", "window": { "start": { "local": "2004-07-27T07:51:08-03:00", "utc": "2004-07-27T10:51:08Z", "ms": 1090925468054.6786 }, "end": { "local": "2004-07-27T07:51:08-03:00", "utc": "2004-07-27T10:51:08Z", "ms": 1090925468054.6786 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-07-28", "window": { "start": { "local": "2004-07-28T07:50:23-03:00", "utc": "2004-07-28T10:50:23Z", "ms": 1091011823111.6594 }, "end": { "local": "2004-07-28T07:50:23-03:00", "utc": "2004-07-28T10:50:23Z", "ms": 1091011823111.6594 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:42 on Tue 27 Jul to 04:50 on Wed 28 Jul.", "fact": "2004-07-27T10:41:42Z → 2004-07-28T07:50:05Z" }, { "step": "kaala", "text": "Sunrise is at 07:51 on the 27th and 07:50 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 566 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Buenos Aires, 2004: Tuesday 27 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Ekādaśī 2004 falls on Tuesday 27 July. Ekādaśī runs from 07:42 on Tue 27 Jul to 04:50 on Wed 28 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-07-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/pradosha-vrata?on=2004-07-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7663, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-07-29T01:36:00-03:00", "utc": "2004-07-29T04:36:00Z", "ms": 1091075759623.9358 }, "end": { "local": "2004-07-29T22:07:25-03:00", "utc": "2004-07-30T01:07:25Z", "ms": 1091149645218.6488 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-29T01:36:00-03:00", "utc": "2004-07-29T04:36:00Z", "ms": 1091075759623.9358 }, "end": { "local": "2004-07-29T22:07:25-03:00", "utc": "2004-07-30T01:07:25Z", "ms": 1091149645218.6488 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-07-28", "window": { "start": { "local": "2004-07-28T18:09:54-03:00", "utc": "2004-07-28T21:09:54Z", "ms": 1091048994010.9896 }, "end": { "local": "2004-07-28T19:59:12-03:00", "utc": "2004-07-28T22:59:12Z", "ms": 1091055551707.549 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "2004-07-29", "window": { "start": { "local": "2004-07-29T18:10:37-03:00", "utc": "2004-07-29T21:10:37Z", "ms": 1091135436670.6149 }, "end": { "local": "2004-07-29T19:59:42-03:00", "utc": "2004-07-29T22:59:42Z", "ms": 1091141982307.8168 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:36 on Thu 29 Jul to 22:07 on Thu 29 Jul.", "fact": "2004-07-29T04:36:00Z → 2004-07-30T01:07:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:59 on the 28th, 18:11–20:00 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 109 minutes on the 28th and 109 of 109 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7663 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2004: Thursday 29 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2004 falls on Thursday 29 July. Trayodaśī runs from 01:36 on Thu 29 Jul to 22:07 on Thu 29 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-07-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-08-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28167, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-08-03T06:56:21-03:00", "utc": "2004-08-03T09:56:21Z", "ms": 1091526980573.4355 }, "end": { "local": "2004-08-04T05:30:42-03:00", "utc": "2004-08-04T08:30:42Z", "ms": 1091608241749.3894 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-03T06:56:21-03:00", "utc": "2004-08-03T09:56:21Z", "ms": 1091526980573.4355 }, "end": { "local": "2004-08-04T05:30:42-03:00", "utc": "2004-08-04T08:30:42Z", "ms": 1091608241749.3894 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-08-02", "window": { "start": { "local": "2004-08-02T20:34:35-03:00", "utc": "2004-08-02T23:34:35Z", "ms": 1091489675384.7255 }, "end": { "local": "2004-08-02T20:34:35-03:00", "utc": "2004-08-02T23:34:35Z", "ms": 1091489675384.7255 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-08-03", "window": { "start": { "local": "2004-08-03T21:41:15-03:00", "utc": "2004-08-04T00:41:15Z", "ms": 1091580074722.854 }, "end": { "local": "2004-08-03T21:41:15-03:00", "utc": "2004-08-04T00:41:15Z", "ms": 1091580074722.854 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:56 on Tue 3 Aug to 05:31 on Wed 4 Aug.", "fact": "2004-08-03T09:56:21Z → 2004-08-04T08:30:42Z" }, { "step": "kaala", "text": "Moonrise is at 20:35 on the 2nd and 21:41 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28167 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2004: Tuesday 3 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2004 falls on Tuesday 3 August. Caturthī runs from 06:56 on Tue 3 Aug to 05:31 on Wed 4 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-08-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/ekadashi?on=2004-08-11", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18025, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-08-10T12:39:02-03:00", "utc": "2004-08-10T15:39:02Z", "ms": 1092152342431.7336 }, "end": { "local": "2004-08-11T15:08:56-03:00", "utc": "2004-08-11T18:08:56Z", "ms": 1092247736497.4922 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-10T12:39:02-03:00", "utc": "2004-08-10T15:39:02Z", "ms": 1092152342431.7336 }, "end": { "local": "2004-08-11T15:08:56-03:00", "utc": "2004-08-11T18:08:56Z", "ms": 1092247736497.4922 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-08-10", "window": { "start": { "local": "2004-08-10T07:38:37-03:00", "utc": "2004-08-10T10:38:37Z", "ms": 1092134317439.1971 }, "end": { "local": "2004-08-10T07:38:37-03:00", "utc": "2004-08-10T10:38:37Z", "ms": 1092134317439.1971 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-08-11", "window": { "start": { "local": "2004-08-11T07:37:35-03:00", "utc": "2004-08-11T10:37:35Z", "ms": 1092220654677.3982 }, "end": { "local": "2004-08-11T07:37:35-03:00", "utc": "2004-08-11T10:37:35Z", "ms": 1092220654677.3982 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:39 on Tue 10 Aug to 15:09 on Wed 11 Aug.", "fact": "2004-08-10T15:39:02Z → 2004-08-11T18:08:56Z" }, { "step": "kaala", "text": "Sunrise is at 07:39 on the 10th and 07:38 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 18025 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Buenos Aires, 2004: Wednesday 11 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": "2004-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Ekādaśī 2004 falls on Wednesday 11 August. Ekādaśī runs from 12:39 on Tue 10 Aug to 15:09 on Wed 11 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-08-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/pradosha-vrata?on=2004-08-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-08-12", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2183, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-08-12T17:28:57-03:00", "utc": "2004-08-12T20:28:57Z", "ms": 1092342536977.4808 }, "end": { "local": "2004-08-13T19:30:49-03:00", "utc": "2004-08-13T22:30:49Z", "ms": 1092436249106.897 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-12T17:28:57-03:00", "utc": "2004-08-12T20:28:57Z", "ms": 1092342536977.4808 }, "end": { "local": "2004-08-13T19:30:49-03:00", "utc": "2004-08-13T22:30:49Z", "ms": 1092436249106.897 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-08-12", "window": { "start": { "local": "2004-08-12T18:20:45-03:00", "utc": "2004-08-12T21:20:45Z", "ms": 1092345645241.5956 }, "end": { "local": "2004-08-12T20:06:43-03:00", "utc": "2004-08-12T23:06:43Z", "ms": 1092352002663.5631 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2004-08-13", "window": { "start": { "local": "2004-08-13T18:21:29-03:00", "utc": "2004-08-13T21:21:29Z", "ms": 1092432088970.4758 }, "end": { "local": "2004-08-13T20:07:12-03:00", "utc": "2004-08-13T23:07:12Z", "ms": 1092438431767.0668 } }, "covered_min": 69, "window_min": 106, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:29 on Thu 12 Aug to 19:31 on Fri 13 Aug.", "fact": "2004-08-12T20:28:57Z → 2004-08-13T22:30:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:21–20:07 on the 12th, 18:21–20:07 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 106 of 106 minutes on the 12th and 69 of 106 on the 13th.", "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 2183 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2004: Thursday 12 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-12", "confidence": "boundary" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2004 falls on Thursday 12 August. Trayodaśī runs from 17:29 on Thu 12 Aug to 19:31 on Fri 13 Aug and covers all of pradoṣa that evening. It also reaches the next evening for 69 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/2004/pradosha-vrata?on=2004-08-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/shivaratri?on=2004-08-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12237, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-08-13T19:30:49-03:00", "utc": "2004-08-13T22:30:49Z", "ms": 1092436249106.897 }, "end": { "local": "2004-08-14T21:09:46-03:00", "utc": "2004-08-15T00:09:46Z", "ms": 1092528585859.6755 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-13T19:30:49-03:00", "utc": "2004-08-13T22:30:49Z", "ms": 1092436249106.897 }, "end": { "local": "2004-08-14T21:09:46-03:00", "utc": "2004-08-15T00:09:46Z", "ms": 1092528585859.6755 } }, "kaala": "nishita", "days": [ { "local_date": "2004-08-13", "window": { "start": { "local": "2004-08-14T00:33:54-03:00", "utc": "2004-08-14T03:33:54Z", "ms": 1092454434457.6917 }, "end": { "local": "2004-08-14T01:21:54-03:00", "utc": "2004-08-14T04:21:54Z", "ms": 1092457314457.6917 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-08-14", "window": { "start": { "local": "2004-08-15T00:33:43-03:00", "utc": "2004-08-15T03:33:43Z", "ms": 1092540822814.2627 }, "end": { "local": "2004-08-15T01:21:43-03:00", "utc": "2004-08-15T04:21:43Z", "ms": 1092543702814.2627 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:31 on Fri 13 Aug to 21:10 on Sat 14 Aug.", "fact": "2004-08-13T22:30:49Z → 2004-08-15T00:09:46Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:34–01:22 on the 13th, 00:34–01:22 on the 14th.", "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 13th and 0 of 48 on the 14th.", "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 12237 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2004: Friday 13 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": "2004-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2004 falls on Friday 13 August. Caturdaśī runs from 19:31 on Fri 13 Aug to 21:10 on Sat 14 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/shivaratri?on=2004-08-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37025, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-08-17T23:38:45-03:00", "utc": "2004-08-18T02:38:45Z", "ms": 1092796724903.3402 }, "end": { "local": "2004-08-18T23:41:23-03:00", "utc": "2004-08-19T02:41:23Z", "ms": 1092883282715.5902 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-17T23:38:45-03:00", "utc": "2004-08-18T02:38:45Z", "ms": 1092796724903.3402 }, "end": { "local": "2004-08-18T23:41:23-03:00", "utc": "2004-08-19T02:41:23Z", "ms": 1092883282715.5902 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-08-17", "window": { "start": { "local": "2004-08-17T12:33:40-03:00", "utc": "2004-08-17T15:33:40Z", "ms": 1092756819732.0688 }, "end": { "local": "2004-08-17T13:21:40-03:00", "utc": "2004-08-17T16:21:40Z", "ms": 1092759699732.0688 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-08-18", "window": { "start": { "local": "2004-08-18T12:33:27-03:00", "utc": "2004-08-18T15:33:27Z", "ms": 1092843206507.8324 }, "end": { "local": "2004-08-18T13:21:27-03:00", "utc": "2004-08-18T16:21:27Z", "ms": 1092846086507.8324 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:39 on Tue 17 Aug to 23:41 on Wed 18 Aug.", "fact": "2004-08-18T02:38:45Z → 2004-08-19T02:41:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 17th, 12:33–13:21 on the 18th.", "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 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37025 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Buenos Aires, 2004: Wednesday 18 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Madhusravā Tṛtīyā (Hariyali Teej) 2004 falls on Wednesday 18 August. Tṛtīyā runs from 23:39 on Tue 17 Aug to 23:41 on Wed 18 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/vinayaka-chaturthi?on=2004-08-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36025, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-08-18T23:41:23-03:00", "utc": "2004-08-19T02:41:23Z", "ms": 1092883282715.5902 }, "end": { "local": "2004-08-19T23:21:38-03:00", "utc": "2004-08-20T02:21:38Z", "ms": 1092968498204.9613 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-18T23:41:23-03:00", "utc": "2004-08-19T02:41:23Z", "ms": 1092883282715.5902 }, "end": { "local": "2004-08-19T23:21:38-03:00", "utc": "2004-08-20T02:21:38Z", "ms": 1092968498204.9613 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-08-18", "window": { "start": { "local": "2004-08-18T12:33:27-03:00", "utc": "2004-08-18T15:33:27Z", "ms": 1092843206507.8324 }, "end": { "local": "2004-08-18T13:21:27-03:00", "utc": "2004-08-18T16:21:27Z", "ms": 1092846086507.8324 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-08-19", "window": { "start": { "local": "2004-08-19T12:33:13-03:00", "utc": "2004-08-19T15:33:13Z", "ms": 1092929592779.93 }, "end": { "local": "2004-08-19T13:21:13-03:00", "utc": "2004-08-19T16:21:13Z", "ms": 1092932472779.93 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:41 on Wed 18 Aug to 23:22 on Thu 19 Aug.", "fact": "2004-08-19T02:41:23Z → 2004-08-20T02:21:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 18th, 12:33–13:21 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36025 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2004: Thursday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2004 falls on Thursday 19 August. Caturthī runs from 23:41 on Wed 18 Aug to 23:22 on Thu 19 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/vinayaka-chaturthi?on=2004-08-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33505, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-08-19T23:21:38-03:00", "utc": "2004-08-20T02:21:38Z", "ms": 1092968498204.9613 }, "end": { "local": "2004-08-20T22:39:23-03:00", "utc": "2004-08-21T01:39:23Z", "ms": 1093052363130.4814 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-19T23:21:38-03:00", "utc": "2004-08-20T02:21:38Z", "ms": 1092968498204.9613 }, "end": { "local": "2004-08-20T22:39:23-03:00", "utc": "2004-08-21T01:39:23Z", "ms": 1093052363130.4814 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-08-19", "window": { "start": { "local": "2004-08-19T12:33:13-03:00", "utc": "2004-08-19T15:33:13Z", "ms": 1092929592779.93 }, "end": { "local": "2004-08-19T13:21:13-03:00", "utc": "2004-08-19T16:21:13Z", "ms": 1092932472779.93 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-08-20", "window": { "start": { "local": "2004-08-20T12:32:59-03:00", "utc": "2004-08-20T15:32:59Z", "ms": 1093015978557.3425 }, "end": { "local": "2004-08-20T13:20:59-03:00", "utc": "2004-08-20T16:20:59Z", "ms": 1093018858557.3425 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:22 on Thu 19 Aug to 22:39 on Fri 20 Aug.", "fact": "2004-08-20T02:21:38Z → 2004-08-21T01:39:23Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33505 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Buenos Aires, 2004: Friday 20 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nāga Pañcamī 2004 falls on Friday 20 August. Pañcamī runs from 23:22 on Thu 19 Aug to 22:39 on Fri 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-08-26", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11787, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-08-25T13:24:36-03:00", "utc": "2004-08-25T16:24:36Z", "ms": 1093451075588.4006 }, "end": { "local": "2004-08-26T10:36:23-03:00", "utc": "2004-08-26T13:36:23Z", "ms": 1093527383295.639 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-25T13:24:36-03:00", "utc": "2004-08-25T16:24:36Z", "ms": 1093451075588.4006 }, "end": { "local": "2004-08-26T10:36:23-03:00", "utc": "2004-08-26T13:36:23Z", "ms": 1093527383295.639 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-08-25", "window": { "start": { "local": "2004-08-25T07:21:12-03:00", "utc": "2004-08-25T10:21:12Z", "ms": 1093429272475.204 }, "end": { "local": "2004-08-25T07:21:12-03:00", "utc": "2004-08-25T10:21:12Z", "ms": 1093429272475.204 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-08-26", "window": { "start": { "local": "2004-08-26T07:19:56-03:00", "utc": "2004-08-26T10:19:56Z", "ms": 1093515595930.1549 }, "end": { "local": "2004-08-26T07:19:56-03:00", "utc": "2004-08-26T10:19:56Z", "ms": 1093515595930.1549 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:25 on Wed 25 Aug to 10:36 on Thu 26 Aug.", "fact": "2004-08-25T16:24:36Z → 2004-08-26T13:36:23Z" }, { "step": "kaala", "text": "Sunrise is at 07:21 on the 25th and 07:20 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 11787 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Buenos Aires, 2004: Thursday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Putradā Ekādaśī 2004 falls on Thursday 26 August. Ekādaśī runs from 13:25 on Wed 25 Aug to 10:36 on Thu 26 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-08-26", "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/2004/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6900, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-08-26T10:36:23-03:00", "utc": "2004-08-26T13:36:23Z", "ms": 1093527383295.639 }, "end": { "local": "2004-08-27T07:39:56-03:00", "utc": "2004-08-27T10:39:56Z", "ms": 1093603196434.706 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-26T10:36:23-03:00", "utc": "2004-08-26T13:36:23Z", "ms": 1093527383295.639 }, "end": { "local": "2004-08-27T07:39:56-03:00", "utc": "2004-08-27T10:39:56Z", "ms": 1093603196434.706 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-08-26", "window": { "start": { "local": "2004-08-26T12:31:23-03:00", "utc": "2004-08-26T15:31:23Z", "ms": 1093534283476.5902 }, "end": { "local": "2004-08-26T13:19:23-03:00", "utc": "2004-08-26T16:19:23Z", "ms": 1093537163476.5902 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-08-27", "window": { "start": { "local": "2004-08-27T12:31:06-03:00", "utc": "2004-08-27T15:31:06Z", "ms": 1093620666140.7949 }, "end": { "local": "2004-08-27T13:19:06-03:00", "utc": "2004-08-27T16:19:06Z", "ms": 1093623546140.7949 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 10:36 on Thu 26 Aug to 07:40 on Fri 27 Aug.", "fact": "2004-08-26T13:36:23Z → 2004-08-27T10:39:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 26th, 12:31–13:19 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6900 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Buenos Aires, 2004: Thursday 26 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": "2004-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Dāmodara Dvādaśī 2004 falls on Thursday 26 August. Dvādaśī runs from 10:36 on Thu 26 Aug to 07:40 on Fri 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/pradosha-vrata?on=2004-08-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30555, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-08-27T07:39:56-03:00", "utc": "2004-08-27T10:39:56Z", "ms": 1093603196434.706 }, "end": { "local": "2004-08-28T04:42:55-03:00", "utc": "2004-08-28T07:42:55Z", "ms": 1093678974699.247 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-27T07:39:56-03:00", "utc": "2004-08-27T10:39:56Z", "ms": 1093603196434.706 }, "end": { "local": "2004-08-28T04:42:55-03:00", "utc": "2004-08-28T07:42:55Z", "ms": 1093678974699.247 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-08-26", "window": { "start": { "local": "2004-08-26T18:30:51-03:00", "utc": "2004-08-26T21:30:51Z", "ms": 1093555851023.0255 }, "end": { "local": "2004-08-26T20:13:13-03:00", "utc": "2004-08-26T23:13:13Z", "ms": 1093561993377.5315 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "2004-08-27", "window": { "start": { "local": "2004-08-27T18:31:34-03:00", "utc": "2004-08-27T21:31:34Z", "ms": 1093642293599.7698 }, "end": { "local": "2004-08-27T20:13:40-03:00", "utc": "2004-08-27T23:13:40Z", "ms": 1093648419887.9033 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:40 on Fri 27 Aug to 04:43 on Sat 28 Aug.", "fact": "2004-08-27T10:39:56Z → 2004-08-28T07:42:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:13 on the 26th, 18:32–20:14 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 26th and 102 of 102 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30555 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2004: Friday 27 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": "2004-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2004 falls on Friday 27 August. Trayodaśī runs from 07:40 on Fri 27 Aug to 04:43 on Sat 28 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-08-27", "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/2004/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19160, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-08-29T01:53:58-03:00", "utc": "2004-08-29T04:53:58Z", "ms": 1093755237543.5614 }, "end": { "local": "2004-08-29T23:22:16-03:00", "utc": "2004-08-30T02:22:16Z", "ms": 1093832536001.435 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2004-08-29T12:35:23-03:00", "utc": "2004-08-29T15:35:23Z", "ms": 1093793722534.1913 }, "end": { "local": "2004-08-29T23:22:16-03:00", "utc": "2004-08-30T02:22:16Z", "ms": 1093832536001.435 } }, "kaala": "day", "days": [ { "local_date": "2004-08-28", "window": { "start": { "local": "2004-08-28T07:17:21-03:00", "utc": "2004-08-28T10:17:21Z", "ms": 1093688240760.7712 }, "end": { "local": "2004-08-29T07:16:02-03:00", "utc": "2004-08-29T10:16:02Z", "ms": 1093774562197.606 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "2004-08-29", "window": { "start": { "local": "2004-08-29T07:16:02-03:00", "utc": "2004-08-29T10:16:02Z", "ms": 1093774562197.606 }, "end": { "local": "2004-08-30T07:14:43-03:00", "utc": "2004-08-30T10:14:43Z", "ms": 1093860883022.7482 } }, "covered_min": 647, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:54 on Sun 29 Aug to 23:22 on Sun 29 Aug. Its second half begins at 12:35 on Sun 29 Aug.", "fact": "2004-08-29T04:53:58Z → 2004-08-30T02:22:16Z · second half from 2004-08-29T15:35:23Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 07:17 on the 28th, and from 07:16 on the 29th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The second half of Pūrṇimā must be present during the day. It covers 0 of 1439 minutes on the 28th and 647 of 1439 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19160 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Buenos Aires, 2004: Sunday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rakṣā Bandhana (Rakhi) 2004 falls on Sunday 29 August. The second half of Pūrṇimā runs from 12:35 on Sun 29 Aug to 23:22 on Sun 29 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36226, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-08-29T01:53:58-03:00", "utc": "2004-08-29T04:53:58Z", "ms": 1093755237543.5614 }, "end": { "local": "2004-08-29T23:22:16-03:00", "utc": "2004-08-30T02:22:16Z", "ms": 1093832536001.435 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-29T01:53:58-03:00", "utc": "2004-08-29T04:53:58Z", "ms": 1093755237543.5614 }, "end": { "local": "2004-08-29T23:22:16-03:00", "utc": "2004-08-30T02:22:16Z", "ms": 1093832536001.435 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-08-28", "window": { "start": { "local": "2004-08-28T12:30:48-03:00", "utc": "2004-08-28T15:30:48Z", "ms": 1093707048426.5554 }, "end": { "local": "2004-08-28T13:18:48-03:00", "utc": "2004-08-28T16:18:48Z", "ms": 1093709928426.5554 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-08-29", "window": { "start": { "local": "2004-08-29T12:30:30-03:00", "utc": "2004-08-29T15:30:30Z", "ms": 1093793430354.0752 }, "end": { "local": "2004-08-29T13:18:30-03:00", "utc": "2004-08-29T16:18:30Z", "ms": 1093796310354.0752 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:54 on Sun 29 Aug to 23:22 on Sun 29 Aug.", "fact": "2004-08-29T04:53:58Z → 2004-08-30T02:22:16Z" }, { "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": "Pūrṇimā 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: unstated → only-day · margin 36226 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Buenos Aires, 2004: Sunday 29 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": "2004-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ṛṣi Tarpaṇa 2004 falls on Sunday 29 August. Pūrṇimā runs from 01:54 on Sun 29 Aug to 23:22 on Sun 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-08-30", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2417, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2004-08-30T21:16:58-03:00", "utc": "2004-08-31T00:16:58Z", "ms": 1093911418465.0414 }, "end": { "local": "2004-08-31T19:46:28-03:00", "utc": "2004-08-31T22:46:28Z", "ms": 1093992388441.3832 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-08-30T21:16:58-03:00", "utc": "2004-08-31T00:16:58Z", "ms": 1093911418465.0414 }, "end": { "local": "2004-08-31T19:46:28-03:00", "utc": "2004-08-31T22:46:28Z", "ms": 1093992388441.3832 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-08-30", "window": { "start": { "local": "2004-08-30T19:21:04-03:00", "utc": "2004-08-30T22:21:04Z", "ms": 1093904464145.6256 }, "end": { "local": "2004-08-30T19:21:04-03:00", "utc": "2004-08-30T22:21:04Z", "ms": 1093904464145.6256 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-08-31", "window": { "start": { "local": "2004-08-31T20:26:45-03:00", "utc": "2004-08-31T23:26:45Z", "ms": 1093994805415.0287 }, "end": { "local": "2004-08-31T20:26:45-03:00", "utc": "2004-08-31T23:26:45Z", "ms": 1093994805415.0287 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 21:17 on Mon 30 Aug to 19:46 on Tue 31 Aug.", "fact": "2004-08-31T00:16:58Z → 2004-08-31T22:46:28Z" }, { "step": "kaala", "text": "Moonrise is at 19:21 on the 30th and 20:27 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 30th and is not on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 2417 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Buenos Aires, 2004: Monday 30 August.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-30", "confidence": "boundary" } ], "quote": "In Buenos Aires, Aśūnya Śayana Vrata 2004 falls on Monday 30 August. Dvitīyā runs from 21:17 on Mon 30 Aug to 19:46 on Tue 31 Aug, and is current at moonrise on neither day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20398, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-08-31T19:46:28-03:00", "utc": "2004-08-31T22:46:28Z", "ms": 1093992388441.3832 }, "end": { "local": "2004-09-01T18:57:33-03:00", "utc": "2004-09-01T21:57:33Z", "ms": 1094075852573.3812 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-08-31T19:46:28-03:00", "utc": "2004-08-31T22:46:28Z", "ms": 1093992388441.3832 }, "end": { "local": "2004-09-01T18:57:33-03:00", "utc": "2004-09-01T21:57:33Z", "ms": 1094075852573.3812 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-08-31", "window": { "start": { "local": "2004-08-31T12:29:53-03:00", "utc": "2004-08-31T15:29:53Z", "ms": 1093966193217.4629 }, "end": { "local": "2004-08-31T13:17:53-03:00", "utc": "2004-08-31T16:17:53Z", "ms": 1093969073217.4629 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-09-01", "window": { "start": { "local": "2004-09-01T12:29:34-03:00", "utc": "2004-09-01T15:29:34Z", "ms": 1094052574194.9387 }, "end": { "local": "2004-09-01T13:17:34-03:00", "utc": "2004-09-01T16:17:34Z", "ms": 1094055454194.9387 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:46 on Tue 31 Aug to 18:58 on Wed 1 Sep.", "fact": "2004-08-31T22:46:28Z → 2004-09-01T21:57:33Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20398 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Buenos Aires, 2004: Wednesday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kajjalī Tṛtīyā (Kajari Teej) 2004 falls on Wednesday 1 September. Tṛtīyā runs from 19:46 on Tue 31 Aug to 18:58 on Wed 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/sankashta-chaturthi?on=2004-09-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9160, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-09-01T18:57:33-03:00", "utc": "2004-09-01T21:57:33Z", "ms": 1094075852573.3812 }, "end": { "local": "2004-09-02T18:54:20-03:00", "utc": "2004-09-02T21:54:20Z", "ms": 1094162060192.7072 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-01T18:57:33-03:00", "utc": "2004-09-01T21:57:33Z", "ms": 1094075852573.3812 }, "end": { "local": "2004-09-02T18:54:20-03:00", "utc": "2004-09-02T21:54:20Z", "ms": 1094162060192.7072 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-09-01", "window": { "start": { "local": "2004-09-01T21:30:12-03:00", "utc": "2004-09-02T00:30:12Z", "ms": 1094085012143.0929 }, "end": { "local": "2004-09-01T21:30:12-03:00", "utc": "2004-09-02T00:30:12Z", "ms": 1094085012143.0929 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-09-02", "window": { "start": { "local": "2004-09-02T22:32:21-03:00", "utc": "2004-09-03T01:32:21Z", "ms": 1094175140587.7693 }, "end": { "local": "2004-09-02T22:32:21-03:00", "utc": "2004-09-03T01:32:21Z", "ms": 1094175140587.7693 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:58 on Wed 1 Sep to 18:54 on Thu 2 Sep.", "fact": "2004-09-01T21:57:33Z → 2004-09-02T21:54:20Z" }, { "step": "kaala", "text": "Moonrise is at 21:30 on the 1st and 22:32 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9160 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2004: Wednesday 1 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": "2004-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2004 falls on Wednesday 1 September. Caturthī runs from 18:58 on Wed 1 Sep to 18:54 on Thu 2 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-09-01", "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/2004/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1113, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-09-01T18:57:33-03:00", "utc": "2004-09-01T21:57:33Z", "ms": 1094075852573.3812 }, "end": { "local": "2004-09-02T18:54:20-03:00", "utc": "2004-09-02T21:54:20Z", "ms": 1094162060192.7072 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-01T18:57:33-03:00", "utc": "2004-09-01T21:57:33Z", "ms": 1094075852573.3812 }, "end": { "local": "2004-09-02T18:54:20-03:00", "utc": "2004-09-02T21:54:20Z", "ms": 1094162060192.7072 } }, "kaala": "sayahna", "days": [ { "local_date": "2004-09-01", "window": { "start": { "local": "2004-09-01T16:18:29-03:00", "utc": "2004-09-01T19:18:29Z", "ms": 1094066308936.9568 }, "end": { "local": "2004-09-01T18:35:05-03:00", "utc": "2004-09-01T21:35:05Z", "ms": 1094074505431.6355 } }, "covered_min": 0, "window_min": 137, "qualifies": false }, { "local_date": "2004-09-02", "window": { "start": { "local": "2004-09-02T16:18:47-03:00", "utc": "2004-09-02T19:18:47Z", "ms": 1094152726557.986 }, "end": { "local": "2004-09-02T18:35:48-03:00", "utc": "2004-09-02T21:35:48Z", "ms": 1094160947665.4922 } }, "covered_min": 137, "window_min": 137, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:58 on Wed 1 Sep to 18:54 on Thu 2 Sep.", "fact": "2004-09-01T21:57:33Z → 2004-09-02T21:54:20Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:18–18:35 on the 1st, 16:19–18:36 on the 2nd.", "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 137 minutes on the 1st and 137 of 137 on the 2nd.", "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 1113 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Buenos Aires, 2004: Thursday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Bahulā Caturthī 2004 falls on Thursday 2 September. Caturthī runs from 18:58 on Wed 1 Sep to 18:54 on Thu 2 Sep and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22827, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-09-03T19:37:22-03:00", "utc": "2004-09-03T22:37:22Z", "ms": 1094251041960.3629 }, "end": { "local": "2004-09-04T21:02:44-03:00", "utc": "2004-09-05T00:02:44Z", "ms": 1094342563630.2329 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-03T19:37:22-03:00", "utc": "2004-09-03T22:37:22Z", "ms": 1094251041960.3629 }, "end": { "local": "2004-09-04T21:02:44-03:00", "utc": "2004-09-05T00:02:44Z", "ms": 1094342563630.2329 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-03", "window": { "start": { "local": "2004-09-03T12:28:55-03:00", "utc": "2004-09-03T15:28:55Z", "ms": 1094225335342.5273 }, "end": { "local": "2004-09-03T13:16:55-03:00", "utc": "2004-09-03T16:16:55Z", "ms": 1094228215342.5273 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-09-04", "window": { "start": { "local": "2004-09-04T12:28:36-03:00", "utc": "2004-09-04T15:28:36Z", "ms": 1094311715551.5808 }, "end": { "local": "2004-09-04T13:16:36-03:00", "utc": "2004-09-04T16:16:36Z", "ms": 1094314595551.5808 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:37 on Fri 3 Sep to 21:03 on Sat 4 Sep.", "fact": "2004-09-03T22:37:22Z → 2004-09-05T00:02:44Z" }, { "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": "Ṣaṣṭhī 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22827 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Buenos Aires, 2004: Saturday 4 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Hala Ṣaṣṭhī 2004 falls on Saturday 4 September. Ṣaṣṭhī runs from 19:37 on Fri 3 Sep to 21:03 on Sat 4 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27968, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-09-04T21:02:44-03:00", "utc": "2004-09-05T00:02:44Z", "ms": 1094342563630.2329 }, "end": { "local": "2004-09-05T23:01:57-03:00", "utc": "2004-09-06T02:01:57Z", "ms": 1094436117116.7688 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-04T21:02:44-03:00", "utc": "2004-09-05T00:02:44Z", "ms": 1094342563630.2329 }, "end": { "local": "2004-09-05T23:01:57-03:00", "utc": "2004-09-06T02:01:57Z", "ms": 1094436117116.7688 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-04", "window": { "start": { "local": "2004-09-04T12:28:36-03:00", "utc": "2004-09-04T15:28:36Z", "ms": 1094311715551.5808 }, "end": { "local": "2004-09-04T13:16:36-03:00", "utc": "2004-09-04T16:16:36Z", "ms": 1094314595551.5808 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-09-05", "window": { "start": { "local": "2004-09-05T12:28:16-03:00", "utc": "2004-09-05T15:28:16Z", "ms": 1094398095542.688 }, "end": { "local": "2004-09-05T13:16:16-03:00", "utc": "2004-09-05T16:16:16Z", "ms": 1094400975542.688 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 21:03 on Sat 4 Sep to 23:02 on Sun 5 Sep.", "fact": "2004-09-05T00:02:44Z → 2004-09-06T02:01:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 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": "Saptamī 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27968 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Buenos Aires, 2004: Sunday 5 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-05", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śītalā Saptamī 2004 falls on Sunday 5 September. Saptamī runs from 21:03 on Sat 4 Sep to 23:02 on Sun 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 454, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-09-05T23:01:57-03:00", "utc": "2004-09-06T02:01:57Z", "ms": 1094436117116.7688 }, "end": { "local": "2004-09-07T01:22:47-03:00", "utc": "2004-09-07T04:22:47Z", "ms": 1094530967441.4602 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-05T23:01:57-03:00", "utc": "2004-09-06T02:01:57Z", "ms": 1094436117116.7688 }, "end": { "local": "2004-09-07T01:22:47-03:00", "utc": "2004-09-07T04:22:47Z", "ms": 1094530967441.4602 } }, "kaala": "nishita", "days": [ { "local_date": "2004-09-05", "window": { "start": { "local": "2004-09-06T00:27:34-03:00", "utc": "2004-09-06T03:27:34Z", "ms": 1094441254226.9912 }, "end": { "local": "2004-09-06T01:15:34-03:00", "utc": "2004-09-06T04:15:34Z", "ms": 1094444134226.9912 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-06", "window": { "start": { "local": "2004-09-07T00:27:14-03:00", "utc": "2004-09-07T03:27:14Z", "ms": 1094527633828.6079 }, "end": { "local": "2004-09-07T01:15:14-03:00", "utc": "2004-09-07T04:15:14Z", "ms": 1094530513828.6079 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:02 on Sun 5 Sep to 01:23 on Tue 7 Sep.", "fact": "2004-09-06T02:01:57Z → 2004-09-07T04:22:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:28–01:16 on the 5th, 00:27–01:15 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both nights qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 454 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Buenos Aires, 2004: Monday 6 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Janmāṣṭamī 2004 falls on Monday 6 September. Aṣṭamī runs from 23:02 on Sun 5 Sep to 01:23 on Tue 7 Sep and covers all of niśītha that night. It also reaches the previous night for 48 minutes; by the rule the second night is taken.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-09-10", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2928, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-09-09T06:12:16-03:00", "utc": "2004-09-09T09:12:16Z", "ms": 1094721136443.2334 }, "end": { "local": "2004-09-10T08:14:57-03:00", "utc": "2004-09-10T11:14:57Z", "ms": 1094814897334.7201 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-09T06:12:16-03:00", "utc": "2004-09-09T09:12:16Z", "ms": 1094721136443.2334 }, "end": { "local": "2004-09-10T08:14:57-03:00", "utc": "2004-09-10T11:14:57Z", "ms": 1094814897334.7201 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-09-09", "window": { "start": { "local": "2004-09-09T07:01:04-03:00", "utc": "2004-09-09T10:01:04Z", "ms": 1094724064097.702 }, "end": { "local": "2004-09-09T07:01:04-03:00", "utc": "2004-09-09T10:01:04Z", "ms": 1094724064097.702 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-09-10", "window": { "start": { "local": "2004-09-10T06:59:40-03:00", "utc": "2004-09-10T09:59:40Z", "ms": 1094810380110.6752 }, "end": { "local": "2004-09-10T06:59:40-03:00", "utc": "2004-09-10T09:59:40Z", "ms": 1094810380110.6752 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:12 on Thu 9 Sep to 08:15 on Fri 10 Sep.", "fact": "2004-09-09T09:12:16Z → 2004-09-10T11:14:57Z" }, { "step": "kaala", "text": "Sunrise is at 07:01 on the 9th and 07:00 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 9th and is on the 10th.", "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 2928 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Buenos Aires, 2004: Friday 10 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": "2004-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-10", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ajā Ekādaśī 2004 falls on Friday 10 September. Ekādaśī runs from 06:12 on Thu 9 Sep to 08:15 on Fri 10 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-09-10", "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/2004/pradosha-vrata?on=2004-09-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28060, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-09-11T09:50:43-03:00", "utc": "2004-09-11T12:50:43Z", "ms": 1094907042729.2682 }, "end": { "local": "2004-09-12T10:55:11-03:00", "utc": "2004-09-12T13:55:11Z", "ms": 1094997310879.1123 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-11T09:50:43-03:00", "utc": "2004-09-11T12:50:43Z", "ms": 1094907042729.2682 }, "end": { "local": "2004-09-12T10:55:11-03:00", "utc": "2004-09-12T13:55:11Z", "ms": 1094997310879.1123 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-09-11", "window": { "start": { "local": "2004-09-11T18:42:08-03:00", "utc": "2004-09-11T21:42:08Z", "ms": 1094938928001.5884 }, "end": { "local": "2004-09-11T20:20:06-03:00", "utc": "2004-09-11T23:20:06Z", "ms": 1094944805781.3513 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2004-09-12", "window": { "start": { "local": "2004-09-12T18:42:50-03:00", "utc": "2004-09-12T21:42:50Z", "ms": 1095025370439.3857 }, "end": { "local": "2004-09-12T20:20:31-03:00", "utc": "2004-09-12T23:20:31Z", "ms": 1095031231264.5526 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:51 on Sat 11 Sep to 10:55 on Sun 12 Sep.", "fact": "2004-09-11T12:50:43Z → 2004-09-12T13:55:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:42–20:20 on the 11th, 18:43–20:21 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 98 of 98 minutes on the 11th and 0 of 98 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 28060 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2004: Saturday 11 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": "2004-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2004 falls on Saturday 11 September. Trayodaśī runs from 09:51 on Sat 11 Sep to 10:55 on Sun 12 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-09-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26167, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-09-12T10:55:11-03:00", "utc": "2004-09-12T13:55:11Z", "ms": 1094997310879.1123 }, "end": { "local": "2004-09-13T11:27:26-03:00", "utc": "2004-09-13T14:27:26Z", "ms": 1095085645932.7986 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-12T10:55:11-03:00", "utc": "2004-09-12T13:55:11Z", "ms": 1094997310879.1123 }, "end": { "local": "2004-09-13T11:27:26-03:00", "utc": "2004-09-13T14:27:26Z", "ms": 1095085645932.7986 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-09-12", "window": { "start": { "local": "2004-09-12T18:42:50-03:00", "utc": "2004-09-12T21:42:50Z", "ms": 1095025370439.3857 }, "end": { "local": "2004-09-12T20:20:31-03:00", "utc": "2004-09-12T23:20:31Z", "ms": 1095031231264.5526 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2004-09-13", "window": { "start": { "local": "2004-09-13T18:43:33-03:00", "utc": "2004-09-13T21:43:33Z", "ms": 1095111812941.3922 }, "end": { "local": "2004-09-13T20:20:57-03:00", "utc": "2004-09-13T23:20:57Z", "ms": 1095117656777.7041 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:55 on Sun 12 Sep to 11:27 on Mon 13 Sep.", "fact": "2004-09-12T13:55:11Z → 2004-09-13T14:27:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:21 on the 12th, 18:44–20:21 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 12th and 0 of 97 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26167 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Buenos Aires, 2004: Sunday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Aghora Caturdaśī 2004 falls on Sunday 12 September. Caturdaśī runs from 10:55 on Sun 12 Sep to 11:27 on Mon 13 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/shivaratri?on=2004-09-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34901, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-09-12T10:55:11-03:00", "utc": "2004-09-12T13:55:11Z", "ms": 1094997310879.1123 }, "end": { "local": "2004-09-13T11:27:26-03:00", "utc": "2004-09-13T14:27:26Z", "ms": 1095085645932.7986 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-12T10:55:11-03:00", "utc": "2004-09-12T13:55:11Z", "ms": 1094997310879.1123 }, "end": { "local": "2004-09-13T11:27:26-03:00", "utc": "2004-09-13T14:27:26Z", "ms": 1095085645932.7986 } }, "kaala": "nishita", "days": [ { "local_date": "2004-09-11", "window": { "start": { "local": "2004-09-12T00:25:30-03:00", "utc": "2004-09-12T03:25:30Z", "ms": 1094959529675.6995 }, "end": { "local": "2004-09-12T01:13:30-03:00", "utc": "2004-09-12T04:13:30Z", "ms": 1094962409675.6995 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-09-12", "window": { "start": { "local": "2004-09-13T00:25:09-03:00", "utc": "2004-09-13T03:25:09Z", "ms": 1095045908533.7612 }, "end": { "local": "2004-09-13T01:13:09-03:00", "utc": "2004-09-13T04:13:09Z", "ms": 1095048788533.7612 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:55 on Sun 12 Sep to 11:27 on Mon 13 Sep.", "fact": "2004-09-12T13:55:11Z → 2004-09-13T14:27:26Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:25–01:13 on the 11th, 00:25–01:13 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34901 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2004: Sunday 12 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": "2004-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2004 falls on Sunday 12 September. Caturdaśī runs from 10:55 on Sun 12 Sep to 11:27 on Mon 13 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/shivaratri?on=2004-09-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3366, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-09-14T11:29:03-03:00", "utc": "2004-09-14T14:29:03Z", "ms": 1095172142996.597 }, "end": { "local": "2004-09-15T11:03:07-03:00", "utc": "2004-09-15T14:03:07Z", "ms": 1095256987240.7566 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-14T11:29:03-03:00", "utc": "2004-09-14T14:29:03Z", "ms": 1095172142996.597 }, "end": { "local": "2004-09-15T11:03:07-03:00", "utc": "2004-09-15T14:03:07Z", "ms": 1095256987240.7566 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-14", "window": { "start": { "local": "2004-09-14T12:25:09-03:00", "utc": "2004-09-14T15:25:09Z", "ms": 1095175508613.9121 }, "end": { "local": "2004-09-14T13:13:09-03:00", "utc": "2004-09-14T16:13:09Z", "ms": 1095178388613.9121 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-15", "window": { "start": { "local": "2004-09-15T12:24:47-03:00", "utc": "2004-09-15T15:24:47Z", "ms": 1095261887398.2986 }, "end": { "local": "2004-09-15T13:12:47-03:00", "utc": "2004-09-15T16:12:47Z", "ms": 1095264767398.2986 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:29 on Tue 14 Sep to 11:03 on Wed 15 Sep.", "fact": "2004-09-14T14:29:03Z → 2004-09-15T14:03:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 14th, 12:25–13:13 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3366 s" }, { "step": "ruling", "text": "Rudra Vrata, Buenos Aires, 2004: Tuesday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rudra Vrata 2004 falls on Tuesday 14 September. Pratipadā runs from 11:29 on Tue 14 Sep to 11:03 on Wed 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7866, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-09-16T10:13:21-03:00", "utc": "2004-09-16T13:13:21Z", "ms": 1095340400515.9678 }, "end": { "local": "2004-09-17T09:03:22-03:00", "utc": "2004-09-17T12:03:22Z", "ms": 1095422602061.2795 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-16T10:13:21-03:00", "utc": "2004-09-16T13:13:21Z", "ms": 1095340400515.9678 }, "end": { "local": "2004-09-17T09:03:22-03:00", "utc": "2004-09-17T12:03:22Z", "ms": 1095422602061.2795 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-16", "window": { "start": { "local": "2004-09-16T12:24:26-03:00", "utc": "2004-09-16T15:24:26Z", "ms": 1095348266154.1362 }, "end": { "local": "2004-09-16T13:12:26-03:00", "utc": "2004-09-16T16:12:26Z", "ms": 1095351146154.1362 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-17", "window": { "start": { "local": "2004-09-17T12:24:05-03:00", "utc": "2004-09-17T15:24:05Z", "ms": 1095434644897.7644 }, "end": { "local": "2004-09-17T13:12:05-03:00", "utc": "2004-09-17T16:12:05Z", "ms": 1095437524897.7644 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 10:13 on Thu 16 Sep to 09:03 on Fri 17 Sep.", "fact": "2004-09-16T13:13:21Z → 2004-09-17T12:03:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 16th, 12:24–13:12 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7866 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Buenos Aires, 2004: Thursday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Haritālikā Vrata (Hartalika Teej) 2004 falls on Thursday 16 September. Tṛtīyā runs from 10:13 on Thu 16 Sep to 09:03 on Fri 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12043, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-09-17T09:03:22-03:00", "utc": "2004-09-17T12:03:22Z", "ms": 1095422602061.2795 }, "end": { "local": "2004-09-18T07:36:25-03:00", "utc": "2004-09-18T10:36:25Z", "ms": 1095503785338.8931 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-17T09:03:22-03:00", "utc": "2004-09-17T12:03:22Z", "ms": 1095422602061.2795 }, "end": { "local": "2004-09-18T07:36:25-03:00", "utc": "2004-09-18T10:36:25Z", "ms": 1095503785338.8931 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-17", "window": { "start": { "local": "2004-09-17T12:24:05-03:00", "utc": "2004-09-17T15:24:05Z", "ms": 1095434644897.7644 }, "end": { "local": "2004-09-17T13:12:05-03:00", "utc": "2004-09-17T16:12:05Z", "ms": 1095437524897.7644 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-18", "window": { "start": { "local": "2004-09-18T12:23:44-03:00", "utc": "2004-09-18T15:23:44Z", "ms": 1095521023645.8555 }, "end": { "local": "2004-09-18T13:11:44-03:00", "utc": "2004-09-18T16:11:44Z", "ms": 1095523903645.8555 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:03 on Fri 17 Sep to 07:36 on Sat 18 Sep.", "fact": "2004-09-17T12:03:22Z → 2004-09-18T10:36:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 17th, 12:24–13:12 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12043 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Buenos Aires, 2004: Friday 17 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gaṇeśa Caturthī 2004 falls on Friday 17 September. Caturthī runs from 09:03 on Fri 17 Sep to 07:36 on Sat 18 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17238, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-09-18T07:36:25-03:00", "utc": "2004-09-18T10:36:25Z", "ms": 1095503785338.8931 }, "end": { "local": "2004-09-19T05:55:10-03:00", "utc": "2004-09-19T08:55:10Z", "ms": 1095584110469.2812 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-18T07:36:25-03:00", "utc": "2004-09-18T10:36:25Z", "ms": 1095503785338.8931 }, "end": { "local": "2004-09-19T05:55:10-03:00", "utc": "2004-09-19T08:55:10Z", "ms": 1095584110469.2812 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-18", "window": { "start": { "local": "2004-09-18T12:23:44-03:00", "utc": "2004-09-18T15:23:44Z", "ms": 1095521023645.8555 }, "end": { "local": "2004-09-18T13:11:44-03:00", "utc": "2004-09-18T16:11:44Z", "ms": 1095523903645.8555 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-19", "window": { "start": { "local": "2004-09-19T12:23:22-03:00", "utc": "2004-09-19T15:23:22Z", "ms": 1095607402415.6313 }, "end": { "local": "2004-09-19T13:11:22-03:00", "utc": "2004-09-19T16:11:22Z", "ms": 1095610282415.6313 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:36 on Sat 18 Sep to 05:55 on Sun 19 Sep.", "fact": "2004-09-18T10:36:25Z → 2004-09-19T08:55:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 18th, 12:23–13:11 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 17238 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Buenos Aires, 2004: Saturday 18 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ṛṣi Pañcamī 2004 falls on Saturday 18 September. Pañcamī runs from 07:36 on Sat 18 Sep to 05:55 on Sun 19 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23292, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-09-19T05:55:10-03:00", "utc": "2004-09-19T08:55:10Z", "ms": 1095584110469.2812 }, "end": { "local": "2004-09-20T04:01:50-03:00", "utc": "2004-09-20T07:01:50Z", "ms": 1095663710082.8033 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-19T05:55:10-03:00", "utc": "2004-09-19T08:55:10Z", "ms": 1095584110469.2812 }, "end": { "local": "2004-09-20T04:01:50-03:00", "utc": "2004-09-20T07:01:50Z", "ms": 1095663710082.8033 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-19", "window": { "start": { "local": "2004-09-19T12:23:22-03:00", "utc": "2004-09-19T15:23:22Z", "ms": 1095607402415.6313 }, "end": { "local": "2004-09-19T13:11:22-03:00", "utc": "2004-09-19T16:11:22Z", "ms": 1095610282415.6313 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-20", "window": { "start": { "local": "2004-09-20T12:23:01-03:00", "utc": "2004-09-20T15:23:01Z", "ms": 1095693781225.0681 }, "end": { "local": "2004-09-20T13:11:01-03:00", "utc": "2004-09-20T16:11:01Z", "ms": 1095696661225.0681 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:55 on Sun 19 Sep to 04:02 on Mon 20 Sep.", "fact": "2004-09-19T08:55:10Z → 2004-09-20T07:01:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 19th, 12:23–13:11 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 23292 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Buenos Aires, 2004: Sunday 19 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Sūrya Ṣaṣṭhī (Bhādrapada) 2004 falls on Sunday 19 September. Ṣaṣṭhī runs from 05:55 on Sun 19 Sep to 04:02 on Mon 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30071, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-09-20T04:01:50-03:00", "utc": "2004-09-20T07:01:50Z", "ms": 1095663710082.8033 }, "end": { "local": "2004-09-21T01:58:25-03:00", "utc": "2004-09-21T04:58:25Z", "ms": 1095742704979.1779 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-20T04:01:50-03:00", "utc": "2004-09-20T07:01:50Z", "ms": 1095663710082.8033 }, "end": { "local": "2004-09-21T01:58:25-03:00", "utc": "2004-09-21T04:58:25Z", "ms": 1095742704979.1779 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-20", "window": { "start": { "local": "2004-09-20T12:23:01-03:00", "utc": "2004-09-20T15:23:01Z", "ms": 1095693781225.0681 }, "end": { "local": "2004-09-20T13:11:01-03:00", "utc": "2004-09-20T16:11:01Z", "ms": 1095696661225.0681 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-21", "window": { "start": { "local": "2004-09-21T12:22:40-03:00", "utc": "2004-09-21T15:22:40Z", "ms": 1095780160093.0652 }, "end": { "local": "2004-09-21T13:10:40-03:00", "utc": "2004-09-21T16:10:40Z", "ms": 1095783040093.0652 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:02 on Mon 20 Sep to 01:58 on Tue 21 Sep.", "fact": "2004-09-20T07:01:50Z → 2004-09-21T04:58:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 20th, 12:23–13:11 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 30071 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Buenos Aires, 2004: Monday 20 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Muktābharaṇa Vrata 2004 falls on Monday 20 September. Saptamī runs from 04:02 on Mon 20 Sep to 01:58 on Tue 21 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37455, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-09-21T01:58:25-03:00", "utc": "2004-09-21T04:58:25Z", "ms": 1095742704979.1779 }, "end": { "local": "2004-09-21T23:47:05-03:00", "utc": "2004-09-22T02:47:05Z", "ms": 1095821224834.5157 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-21T01:58:25-03:00", "utc": "2004-09-21T04:58:25Z", "ms": 1095742704979.1779 }, "end": { "local": "2004-09-21T23:47:05-03:00", "utc": "2004-09-22T02:47:05Z", "ms": 1095821224834.5157 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-21", "window": { "start": { "local": "2004-09-21T12:22:40-03:00", "utc": "2004-09-21T15:22:40Z", "ms": 1095780160093.0652 }, "end": { "local": "2004-09-21T13:10:40-03:00", "utc": "2004-09-21T16:10:40Z", "ms": 1095783040093.0652 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-22", "window": { "start": { "local": "2004-09-22T12:22:19-03:00", "utc": "2004-09-22T15:22:19Z", "ms": 1095866539039.5652 }, "end": { "local": "2004-09-22T13:10:19-03:00", "utc": "2004-09-22T16:10:19Z", "ms": 1095869419039.5652 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:58 on Tue 21 Sep to 23:47 on Tue 21 Sep.", "fact": "2004-09-21T04:58:25Z → 2004-09-22T02:47:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 21st, 12:22–13:10 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37455 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Buenos Aires, 2004: Tuesday 21 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rādhāṣṭamī 2004 falls on Tuesday 21 September. Aṣṭamī runs from 01:58 on Tue 21 Sep to 23:47 on Tue 21 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-09-24", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36973, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-09-23T19:12:01-03:00", "utc": "2004-09-23T22:12:01Z", "ms": 1095977521355.1074 }, "end": { "local": "2004-09-24T16:56:01-03:00", "utc": "2004-09-24T19:56:01Z", "ms": 1096055760806.793 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-23T19:12:01-03:00", "utc": "2004-09-23T22:12:01Z", "ms": 1095977521355.1074 }, "end": { "local": "2004-09-24T16:56:01-03:00", "utc": "2004-09-24T19:56:01Z", "ms": 1096055760806.793 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-09-23", "window": { "start": { "local": "2004-09-23T06:41:13-03:00", "utc": "2004-09-23T09:41:13Z", "ms": 1095932473091.6638 }, "end": { "local": "2004-09-23T06:41:13-03:00", "utc": "2004-09-23T09:41:13Z", "ms": 1095932473091.6638 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-09-24", "window": { "start": { "local": "2004-09-24T06:39:48-03:00", "utc": "2004-09-24T09:39:48Z", "ms": 1096018787702.314 }, "end": { "local": "2004-09-24T06:39:48-03:00", "utc": "2004-09-24T09:39:48Z", "ms": 1096018787702.314 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:12 on Thu 23 Sep to 16:56 on Fri 24 Sep.", "fact": "2004-09-23T22:12:01Z → 2004-09-24T19:56:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:41 on the 23rd and 06:40 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36973 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Buenos Aires, 2004: Friday 24 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": "2004-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Parivartanī Ekādaśī 2004 falls on Friday 24 September. Ekādaśī runs from 19:12 on Thu 23 Sep to 16:56 on Fri 24 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-09-24", "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/2004/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5902, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-09-24T16:56:01-03:00", "utc": "2004-09-24T19:56:01Z", "ms": 1096055760806.793 }, "end": { "local": "2004-09-25T14:47:39-03:00", "utc": "2004-09-25T17:47:39Z", "ms": 1096134458582.4086 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-24T16:56:01-03:00", "utc": "2004-09-24T19:56:01Z", "ms": 1096055760806.793 }, "end": { "local": "2004-09-25T14:47:39-03:00", "utc": "2004-09-25T17:47:39Z", "ms": 1096134458582.4086 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-24", "window": { "start": { "local": "2004-09-24T12:21:37-03:00", "utc": "2004-09-24T15:21:37Z", "ms": 1096039297253.2855 }, "end": { "local": "2004-09-24T13:09:37-03:00", "utc": "2004-09-24T16:09:37Z", "ms": 1096042177253.2855 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-09-25", "window": { "start": { "local": "2004-09-25T12:21:17-03:00", "utc": "2004-09-25T15:21:17Z", "ms": 1096125676565.6747 }, "end": { "local": "2004-09-25T13:09:17-03:00", "utc": "2004-09-25T16:09:17Z", "ms": 1096128556565.6747 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:56 on Fri 24 Sep to 14:48 on Sat 25 Sep.", "fact": "2004-09-24T19:56:01Z → 2004-09-25T17:47:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 24th, 12:21–13:09 on the 25th.", "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 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5902 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Buenos Aires, 2004: Saturday 25 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vāmana Jayantī 2004 falls on Saturday 25 September. Dvādaśī runs from 16:56 on Fri 24 Sep to 14:48 on Sat 25 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/pradosha-vrata?on=2004-09-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14672, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-09-25T14:47:39-03:00", "utc": "2004-09-25T17:47:39Z", "ms": 1096134458582.4086 }, "end": { "local": "2004-09-26T12:52:50-03:00", "utc": "2004-09-26T15:52:50Z", "ms": 1096213969924.9722 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-25T14:47:39-03:00", "utc": "2004-09-25T17:47:39Z", "ms": 1096134458582.4086 }, "end": { "local": "2004-09-26T12:52:50-03:00", "utc": "2004-09-26T15:52:50Z", "ms": 1096213969924.9722 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-09-25", "window": { "start": { "local": "2004-09-25T18:52:11-03:00", "utc": "2004-09-25T21:52:11Z", "ms": 1096149130708.155 }, "end": { "local": "2004-09-25T20:26:09-03:00", "utc": "2004-09-25T23:26:09Z", "ms": 1096154768918.4264 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2004-09-26", "window": { "start": { "local": "2004-09-26T18:52:55-03:00", "utc": "2004-09-26T21:52:55Z", "ms": 1096235574807.9716 }, "end": { "local": "2004-09-26T20:26:36-03:00", "utc": "2004-09-26T23:26:36Z", "ms": 1096241195809.4868 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:48 on Sat 25 Sep to 12:53 on Sun 26 Sep.", "fact": "2004-09-25T17:47:39Z → 2004-09-26T15:52:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:26 on the 25th, 18:53–20:27 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 94 of 94 minutes on the 25th and 0 of 94 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14672 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2004: Saturday 25 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": "2004-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2004 falls on Saturday 25 September. Trayodaśī runs from 14:48 on Sat 25 Sep to 12:53 on Sun 26 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-09-25", "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/2004/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8086, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-09-26T12:52:50-03:00", "utc": "2004-09-26T15:52:50Z", "ms": 1096213969924.9722 }, "end": { "local": "2004-09-27T11:17:56-03:00", "utc": "2004-09-27T14:17:56Z", "ms": 1096294675982.0908 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-26T12:52:50-03:00", "utc": "2004-09-26T15:52:50Z", "ms": 1096213969924.9722 }, "end": { "local": "2004-09-27T11:17:56-03:00", "utc": "2004-09-27T14:17:56Z", "ms": 1096294675982.0908 } }, "kaala": "udaya-3", "days": [ { "local_date": "2004-09-26", "window": { "start": { "local": "2004-09-26T06:36:57-03:00", "utc": "2004-09-26T09:36:57Z", "ms": 1096191417285.1903 }, "end": { "local": "2004-09-26T09:04:09-03:00", "utc": "2004-09-26T12:04:09Z", "ms": 1096200248789.7466 } }, "covered_min": 0, "window_min": 147, "qualifies": false }, { "local_date": "2004-09-27", "window": { "start": { "local": "2004-09-27T06:35:32-03:00", "utc": "2004-09-27T09:35:32Z", "ms": 1096277732319.3362 }, "end": { "local": "2004-09-27T09:03:10-03:00", "utc": "2004-09-27T12:03:10Z", "ms": 1096286589679.7134 } }, "covered_min": 148, "window_min": 148, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:53 on Sun 26 Sep to 11:18 on Mon 27 Sep.", "fact": "2004-09-26T15:52:50Z → 2004-09-27T14:17:56Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:37–09:04 on the 26th, 06:36–09:03 on the 27th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 147 minutes on the 26th and 148 of 148 on the 27th.", "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 8086 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Buenos Aires, 2004: Monday 27 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": "2004-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ananta Caturdaśī 2004 falls on Monday 27 September. Caturdaśī runs from 12:53 on Sun 26 Sep to 11:18 on Mon 27 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/sankashta-chaturthi?on=2004-10-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42910, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-10-01T10:10:53-03:00", "utc": "2004-10-01T13:10:53Z", "ms": 1096636252787.529 }, "end": { "local": "2004-10-02T11:27:08-03:00", "utc": "2004-10-02T14:27:08Z", "ms": 1096727227761.4763 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-01T10:10:53-03:00", "utc": "2004-10-01T13:10:53Z", "ms": 1096636252787.529 }, "end": { "local": "2004-10-02T11:27:08-03:00", "utc": "2004-10-02T14:27:08Z", "ms": 1096727227761.4763 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-10-01", "window": { "start": { "local": "2004-10-01T22:20:42-03:00", "utc": "2004-10-02T01:20:42Z", "ms": 1096680041674.9993 }, "end": { "local": "2004-10-01T22:20:42-03:00", "utc": "2004-10-02T01:20:42Z", "ms": 1096680041674.9993 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-10-02", "window": { "start": { "local": "2004-10-02T23:22:18-03:00", "utc": "2004-10-03T02:22:18Z", "ms": 1096770137560.4753 }, "end": { "local": "2004-10-02T23:22:18-03:00", "utc": "2004-10-03T02:22:18Z", "ms": 1096770137560.4753 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:11 on Fri 1 Oct to 11:27 on Sat 2 Oct.", "fact": "2004-10-01T13:10:53Z → 2004-10-02T14:27:08Z" }, { "step": "kaala", "text": "Moonrise is at 22:21 on the 1st and 23:22 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 42910 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2004: Friday 1 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": "2004-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2004 falls on Friday 1 October. Caturthī runs from 10:11 on Fri 1 Oct to 11:27 on Sat 2 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-10-01", "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/2004/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35275, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-10-03T13:16:36-03:00", "utc": "2004-10-03T16:16:36Z", "ms": 1096820196465.6383 }, "end": { "local": "2004-10-04T15:30:48-03:00", "utc": "2004-10-04T18:30:48Z", "ms": 1096914647680.346 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-03T13:16:36-03:00", "utc": "2004-10-03T16:16:36Z", "ms": 1096820196465.6383 }, "end": { "local": "2004-10-04T15:30:48-03:00", "utc": "2004-10-04T18:30:48Z", "ms": 1096914647680.346 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-10-03", "window": { "start": { "local": "2004-10-04T00:22:11-03:00", "utc": "2004-10-04T03:22:11Z", "ms": 1096860130732.6335 }, "end": { "local": "2004-10-04T00:22:11-03:00", "utc": "2004-10-04T03:22:11Z", "ms": 1096860130732.6335 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-10-04", "window": { "start": { "local": "2004-10-05T01:18:43-03:00", "utc": "2004-10-05T04:18:43Z", "ms": 1096949923173.943 }, "end": { "local": "2004-10-05T01:18:43-03:00", "utc": "2004-10-05T04:18:43Z", "ms": 1096949923173.943 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:17 on Sun 3 Oct to 15:31 on Mon 4 Oct.", "fact": "2004-10-03T16:16:36Z → 2004-10-04T18:30:48Z" }, { "step": "kaala", "text": "Moonrise is at 00:22 on the 3rd and 01:19 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 3rd and is not on the 4th.", "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 35275 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Buenos Aires, 2004: Sunday 3 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Candra Ṣaṣṭhī 2004 falls on Sunday 3 October. Ṣaṣṭhī runs from 13:17 on Sun 3 Oct to 15:31 on Mon 4 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-05", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 449, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-10-05T17:57:49-03:00", "utc": "2004-10-05T20:57:49Z", "ms": 1097009868638.5076 }, "end": { "local": "2004-10-06T20:23:50-03:00", "utc": "2004-10-06T23:23:50Z", "ms": 1097105030247.316 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-05T17:57:49-03:00", "utc": "2004-10-05T20:57:49Z", "ms": 1097009868638.5076 }, "end": { "local": "2004-10-06T20:23:50-03:00", "utc": "2004-10-06T23:23:50Z", "ms": 1097105030247.316 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-10-05", "window": { "start": { "local": "2004-10-05T18:59:43-03:00", "utc": "2004-10-05T21:59:43Z", "ms": 1097013583300.0677 }, "end": { "local": "2004-10-05T20:30:50-03:00", "utc": "2004-10-05T23:30:50Z", "ms": 1097019049591.9333 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2004-10-06", "window": { "start": { "local": "2004-10-06T19:00:30-03:00", "utc": "2004-10-06T22:00:30Z", "ms": 1097100030240.1422 }, "end": { "local": "2004-10-06T20:31:19-03:00", "utc": "2004-10-06T23:31:19Z", "ms": 1097105479400.8738 } }, "covered_min": 83, "window_min": 91, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:58 on Tue 5 Oct to 20:24 on Wed 6 Oct.", "fact": "2004-10-05T20:57:49Z → 2004-10-06T23:23:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:00–20:31 on the 5th, 19:01–20:31 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 91 of 91 minutes on the 5th and 83 of 91 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 449 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Buenos Aires, 2004: Tuesday 5 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-05", "confidence": "boundary" } ], "quote": "In Buenos Aires, Jitāṣṭamī (Jitiya) 2004 falls on Tuesday 5 October. Aṣṭamī runs from 17:58 on Tue 5 Oct to 20:24 on Wed 6 Oct and covers all of pradoṣa that evening. It also reaches the next evening for 83 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/2004/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/2004/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23531, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-10-05T17:57:49-03:00", "utc": "2004-10-05T20:57:49Z", "ms": 1097009868638.5076 }, "end": { "local": "2004-10-06T20:23:50-03:00", "utc": "2004-10-06T23:23:50Z", "ms": 1097105030247.316 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-05T17:57:49-03:00", "utc": "2004-10-05T20:57:49Z", "ms": 1097009868638.5076 }, "end": { "local": "2004-10-06T20:23:50-03:00", "utc": "2004-10-06T23:23:50Z", "ms": 1097105030247.316 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-10-05", "window": { "start": { "local": "2004-10-06T02:10:19-03:00", "utc": "2004-10-06T05:10:19Z", "ms": 1097039418867.5487 }, "end": { "local": "2004-10-06T02:10:19-03:00", "utc": "2004-10-06T05:10:19Z", "ms": 1097039418867.5487 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-10-06", "window": { "start": { "local": "2004-10-07T02:56:01-03:00", "utc": "2004-10-07T05:56:01Z", "ms": 1097128561077.3368 }, "end": { "local": "2004-10-07T02:56:01-03:00", "utc": "2004-10-07T05:56:01Z", "ms": 1097128561077.3368 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:58 on Tue 5 Oct to 20:24 on Wed 6 Oct.", "fact": "2004-10-05T20:57:49Z → 2004-10-06T23:23:50Z" }, { "step": "kaala", "text": "Moonrise is at 02:10 on the 5th and 02:56 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 5th and is not on the 6th.", "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 23531 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Buenos Aires, 2004: Tuesday 5 October.", "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": "2004-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-05", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahālakṣmī Vrata Samāpana 2004 falls on Tuesday 5 October. Aṣṭamī runs from 17:58 on Tue 5 Oct to 20:24 on Wed 6 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-10-09", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17265, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-10-09T00:19:53-03:00", "utc": "2004-10-09T03:19:53Z", "ms": 1097291992712.2081 }, "end": { "local": "2004-10-10T01:29:53-03:00", "utc": "2004-10-10T04:29:53Z", "ms": 1097382592533.269 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-09T00:19:53-03:00", "utc": "2004-10-09T03:19:53Z", "ms": 1097291992712.2081 }, "end": { "local": "2004-10-10T01:29:53-03:00", "utc": "2004-10-10T04:29:53Z", "ms": 1097382592533.269 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-10-09", "window": { "start": { "local": "2004-10-09T06:18:57-03:00", "utc": "2004-10-09T09:18:57Z", "ms": 1097313537420.2549 }, "end": { "local": "2004-10-09T06:18:57-03:00", "utc": "2004-10-09T09:18:57Z", "ms": 1097313537420.2549 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-10-10", "window": { "start": { "local": "2004-10-10T06:17:37-03:00", "utc": "2004-10-10T09:17:37Z", "ms": 1097399857498.4626 }, "end": { "local": "2004-10-10T06:17:37-03:00", "utc": "2004-10-10T09:17:37Z", "ms": 1097399857498.4626 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:20 on Sat 9 Oct to 01:30 on Sun 10 Oct.", "fact": "2004-10-09T03:19:53Z → 2004-10-10T04:29:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 9th and 06:18 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17265 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Buenos Aires, 2004: Saturday 9 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": "2004-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Indirā Ekādaśī 2004 falls on Saturday 9 October. Ekādaśī runs from 00:20 on Sat 9 Oct to 01:30 on Sun 10 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-10-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/pradosha-vrata?on=2004-10-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19096, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-10-11T02:00:49-03:00", "utc": "2004-10-11T05:00:49Z", "ms": 1097470848856.4012 }, "end": { "local": "2004-10-12T01:52:10-03:00", "utc": "2004-10-12T04:52:10Z", "ms": 1097556730343.3353 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-11T02:00:49-03:00", "utc": "2004-10-11T05:00:49Z", "ms": 1097470848856.4012 }, "end": { "local": "2004-10-12T01:52:10-03:00", "utc": "2004-10-12T04:52:10Z", "ms": 1097556730343.3353 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-10-10", "window": { "start": { "local": "2004-10-10T19:03:42-03:00", "utc": "2004-10-10T22:03:42Z", "ms": 1097445821590.2955 }, "end": { "local": "2004-10-10T20:33:22-03:00", "utc": "2004-10-10T23:33:22Z", "ms": 1097451202468.5192 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "2004-10-11", "window": { "start": { "local": "2004-10-11T19:04:30-03:00", "utc": "2004-10-11T22:04:30Z", "ms": 1097532270356.9384 }, "end": { "local": "2004-10-11T20:33:54-03:00", "utc": "2004-10-11T23:33:54Z", "ms": 1097537634240.6982 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:01 on Mon 11 Oct to 01:52 on Tue 12 Oct.", "fact": "2004-10-11T05:00:49Z → 2004-10-12T04:52:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:04–20:33 on the 10th, 19:05–20:34 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 10th and 89 of 89 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 19096 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2004: Monday 11 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2004 falls on Monday 11 October. Trayodaśī runs from 02:01 on Mon 11 Oct to 01:52 on Tue 12 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-10-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/shivaratri?on=2004-10-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-12", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 177, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-10-12T01:52:10-03:00", "utc": "2004-10-12T04:52:10Z", "ms": 1097556730343.3353 }, "end": { "local": "2004-10-13T01:06:27-03:00", "utc": "2004-10-13T04:06:27Z", "ms": 1097640387007.7507 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-12T01:52:10-03:00", "utc": "2004-10-12T04:52:10Z", "ms": 1097556730343.3353 }, "end": { "local": "2004-10-13T01:06:27-03:00", "utc": "2004-10-13T04:06:27Z", "ms": 1097640387007.7507 } }, "kaala": "nishita", "days": [ { "local_date": "2004-10-11", "window": { "start": { "local": "2004-10-12T00:15:45-03:00", "utc": "2004-10-12T03:15:45Z", "ms": 1097550944921.0381 }, "end": { "local": "2004-10-12T01:03:45-03:00", "utc": "2004-10-12T04:03:45Z", "ms": 1097553824921.0381 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-10-12", "window": { "start": { "local": "2004-10-13T00:15:30-03:00", "utc": "2004-10-13T03:15:30Z", "ms": 1097637330477.6924 }, "end": { "local": "2004-10-13T01:03:30-03:00", "utc": "2004-10-13T04:03:30Z", "ms": 1097640210477.6924 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:52 on Tue 12 Oct to 01:06 on Wed 13 Oct.", "fact": "2004-10-12T04:52:10Z → 2004-10-13T04:06:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:16–01:04 on the 11th, 00:16–01:04 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 177 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2004: Tuesday 12 October.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-12", "confidence": "boundary" } ], "quote": "In Buenos Aires, Śivarātri 2004 falls on Tuesday 12 October. Caturdaśī runs from 01:52 on Tue 12 Oct to 01:06 on Wed 13 Oct and covers all of niśītha that night. It is 2 min 57 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/shivaratri?on=2004-10-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26196, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2004-10-13T01:06:27-03:00", "utc": "2004-10-13T04:06:27Z", "ms": 1097640387007.7507 }, "end": { "local": "2004-10-13T23:48:16-03:00", "utc": "2004-10-14T02:48:16Z", "ms": 1097722095693.5065 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-13T01:06:27-03:00", "utc": "2004-10-13T04:06:27Z", "ms": 1097640387007.7507 }, "end": { "local": "2004-10-13T23:48:16-03:00", "utc": "2004-10-14T02:48:16Z", "ms": 1097722095693.5065 } }, "kaala": "aparahna", "days": [ { "local_date": "2004-10-12", "window": { "start": { "local": "2004-10-12T13:57:11-03:00", "utc": "2004-10-12T16:57:11Z", "ms": 1097600231496.1564 }, "end": { "local": "2004-10-12T16:31:15-03:00", "utc": "2004-10-12T19:31:15Z", "ms": 1097609475499.8291 } }, "covered_min": 0, "window_min": 154, "qualifies": false }, { "local_date": "2004-10-13", "window": { "start": { "local": "2004-10-13T13:57:10-03:00", "utc": "2004-10-13T16:57:10Z", "ms": 1097686629999.827 }, "end": { "local": "2004-10-13T16:31:40-03:00", "utc": "2004-10-13T19:31:40Z", "ms": 1097695899515.8085 } }, "covered_min": 154, "window_min": 154, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 01:06 on Wed 13 Oct to 23:48 on Wed 13 Oct.", "fact": "2004-10-13T04:06:27Z → 2004-10-14T02:48:16Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:57–16:31 on the 12th, 13:57–16:32 on the 13th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 154 minutes on the 12th and 154 of 154 on the 13th.", "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 26196 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Buenos Aires, 2004: Wednesday 13 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahālaya Amāvāsyā 2004 falls on Wednesday 13 October. Amāvasyā runs from 01:06 on Wed 13 Oct to 23:48 on Wed 13 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32387, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-10-13T23:48:16-03:00", "utc": "2004-10-14T02:48:16Z", "ms": 1097722095693.5065 }, "end": { "local": "2004-10-14T22:03:29-03:00", "utc": "2004-10-15T01:03:29Z", "ms": 1097802208757.1262 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-13T23:48:16-03:00", "utc": "2004-10-14T02:48:16Z", "ms": 1097722095693.5065 }, "end": { "local": "2004-10-14T22:03:29-03:00", "utc": "2004-10-15T01:03:29Z", "ms": 1097802208757.1262 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-10-13", "window": { "start": { "local": "2004-10-13T12:15:55-03:00", "utc": "2004-10-13T15:15:55Z", "ms": 1097680555241.8364 }, "end": { "local": "2004-10-13T13:03:55-03:00", "utc": "2004-10-13T16:03:55Z", "ms": 1097683435241.8364 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-10-14", "window": { "start": { "local": "2004-10-14T12:15:42-03:00", "utc": "2004-10-14T15:15:42Z", "ms": 1097766941523.9937 }, "end": { "local": "2004-10-14T13:03:42-03:00", "utc": "2004-10-14T16:03:42Z", "ms": 1097769821523.9937 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:48 on Wed 13 Oct to 22:03 on Thu 14 Oct.", "fact": "2004-10-14T02:48:16Z → 2004-10-15T01:03:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 13th, 12:16–13:04 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32387 s" }, { "step": "ruling", "text": "Navarātrārambha, Buenos Aires, 2004: Thursday 14 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Navarātrārambha (Navratri) 2004 falls on Thursday 14 October. Pratipadā runs from 23:48 on Wed 13 Oct to 22:03 on Thu 14 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/vinayaka-chaturthi?on=2004-10-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7845, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-10-16T17:39:55-03:00", "utc": "2004-10-16T20:39:55Z", "ms": 1097959195365.2294 }, "end": { "local": "2004-10-17T15:13:48-03:00", "utc": "2004-10-17T18:13:48Z", "ms": 1098036828343.041 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-16T17:39:55-03:00", "utc": "2004-10-16T20:39:55Z", "ms": 1097959195365.2294 }, "end": { "local": "2004-10-17T15:13:48-03:00", "utc": "2004-10-17T18:13:48Z", "ms": 1098036828343.041 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-10-16", "window": { "start": { "local": "2004-10-16T12:15:16-03:00", "utc": "2004-10-16T15:15:16Z", "ms": 1097939715746.5999 }, "end": { "local": "2004-10-16T13:03:16-03:00", "utc": "2004-10-16T16:03:16Z", "ms": 1097942595746.5999 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-10-17", "window": { "start": { "local": "2004-10-17T12:15:04-03:00", "utc": "2004-10-17T15:15:04Z", "ms": 1098026103713.2168 }, "end": { "local": "2004-10-17T13:03:04-03:00", "utc": "2004-10-17T16:03:04Z", "ms": 1098028983713.2168 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:40 on Sat 16 Oct to 15:14 on Sun 17 Oct.", "fact": "2004-10-16T20:39:55Z → 2004-10-17T18:13:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 16th, 12:15–13:03 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7845 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2004: Sunday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2004 falls on Sunday 17 October. Caturthī runs from 17:40 on Sat 16 Oct to 15:14 on Sun 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/vinayaka-chaturthi?on=2004-10-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3965, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-10-19T10:20:58-03:00", "utc": "2004-10-19T13:20:58Z", "ms": 1098192057672.0372 }, "end": { "local": "2004-10-20T08:03:30-03:00", "utc": "2004-10-20T11:03:30Z", "ms": 1098270209560.0378 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-19T10:20:58-03:00", "utc": "2004-10-19T13:20:58Z", "ms": 1098192057672.0372 }, "end": { "local": "2004-10-20T08:03:30-03:00", "utc": "2004-10-20T11:03:30Z", "ms": 1098270209560.0378 } }, "kaala": "udaya-1", "days": [ { "local_date": "2004-10-19", "window": { "start": { "local": "2004-10-19T06:06:09-03:00", "utc": "2004-10-19T09:06:09Z", "ms": 1098176768671.8627 }, "end": { "local": "2004-10-19T06:58:29-03:00", "utc": "2004-10-19T09:58:29Z", "ms": 1098179909038.6871 } }, "covered_min": 0, "window_min": 52, "qualifies": false }, { "local_date": "2004-10-20", "window": { "start": { "local": "2004-10-20T06:04:56-03:00", "utc": "2004-10-20T09:04:56Z", "ms": 1098263096048.726 }, "end": { "local": "2004-10-20T06:57:25-03:00", "utc": "2004-10-20T09:57:25Z", "ms": 1098266244734.7834 } }, "covered_min": 52, "window_min": 52, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:21 on Tue 19 Oct to 08:03 on Wed 20 Oct.", "fact": "2004-10-19T13:20:58Z → 2004-10-20T11:03:30Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:06–06:58 on the 19th, 06:05–06:57 on the 20th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 52 minutes on the 19th and 52 of 52 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3965 s" }, { "step": "ruling", "text": "Durgā Saptamī, Buenos Aires, 2004: Wednesday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Durgā Saptamī 2004 falls on Wednesday 20 October. Saptamī runs from 10:21 on Tue 19 Oct to 08:03 on Wed 20 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15062, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-10-20T08:03:30-03:00", "utc": "2004-10-20T11:03:30Z", "ms": 1098270209560.0378 }, "end": { "local": "2004-10-21T05:57:03-03:00", "utc": "2004-10-21T08:57:03Z", "ms": 1098349022794.7854 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-20T08:03:30-03:00", "utc": "2004-10-20T11:03:30Z", "ms": 1098270209560.0378 }, "end": { "local": "2004-10-21T05:57:03-03:00", "utc": "2004-10-21T08:57:03Z", "ms": 1098349022794.7854 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-10-20", "window": { "start": { "local": "2004-10-20T12:14:31-03:00", "utc": "2004-10-20T15:14:31Z", "ms": 1098285271194.1575 }, "end": { "local": "2004-10-20T13:02:31-03:00", "utc": "2004-10-20T16:02:31Z", "ms": 1098288151194.1575 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-10-21", "window": { "start": { "local": "2004-10-21T12:14:22-03:00", "utc": "2004-10-21T15:14:22Z", "ms": 1098371661595.8923 }, "end": { "local": "2004-10-21T13:02:22-03:00", "utc": "2004-10-21T16:02:22Z", "ms": 1098374541595.8923 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:03 on Wed 20 Oct to 05:57 on Thu 21 Oct.", "fact": "2004-10-20T11:03:30Z → 2004-10-21T08:57:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 20th, 12:14–13:02 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15062 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Buenos Aires, 2004: Wednesday 20 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": "2004-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahāṣṭamī (Durga Ashtami) 2004 falls on Wednesday 20 October. Aṣṭamī runs from 08:03 on Wed 20 Oct to 05:57 on Thu 21 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22639, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2004-10-21T05:57:03-03:00", "utc": "2004-10-21T08:57:03Z", "ms": 1098349022794.7854 }, "end": { "local": "2004-10-22T04:04:42-03:00", "utc": "2004-10-22T07:04:42Z", "ms": 1098428682221.0996 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-21T05:57:03-03:00", "utc": "2004-10-21T08:57:03Z", "ms": 1098349022794.7854 }, "end": { "local": "2004-10-22T04:04:42-03:00", "utc": "2004-10-22T07:04:42Z", "ms": 1098428682221.0996 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-10-21", "window": { "start": { "local": "2004-10-21T12:14:22-03:00", "utc": "2004-10-21T15:14:22Z", "ms": 1098371661595.8923 }, "end": { "local": "2004-10-21T13:02:22-03:00", "utc": "2004-10-21T16:02:22Z", "ms": 1098374541595.8923 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-10-22", "window": { "start": { "local": "2004-10-22T12:14:13-03:00", "utc": "2004-10-22T15:14:13Z", "ms": 1098458052644.0293 }, "end": { "local": "2004-10-22T13:02:13-03:00", "utc": "2004-10-22T16:02:13Z", "ms": 1098460932644.0293 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:57 on Thu 21 Oct to 04:05 on Fri 22 Oct.", "fact": "2004-10-21T08:57:03Z → 2004-10-22T07:04:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 21st, 12:14–13:02 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22639 s" }, { "step": "ruling", "text": "Mahānavamī, Buenos Aires, 2004: Thursday 21 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahānavamī 2004 falls on Thursday 21 October. Navamī runs from 05:57 on Thu 21 Oct to 04:05 on Fri 22 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6874, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2004-10-22T04:04:42-03:00", "utc": "2004-10-22T07:04:42Z", "ms": 1098428682221.0996 }, "end": { "local": "2004-10-23T02:29:09-03:00", "utc": "2004-10-23T05:29:09Z", "ms": 1098509349323.6959 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-22T04:04:42-03:00", "utc": "2004-10-22T07:04:42Z", "ms": 1098428682221.0996 }, "end": { "local": "2004-10-23T02:29:09-03:00", "utc": "2004-10-23T05:29:09Z", "ms": 1098509349323.6959 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-10-22", "window": { "start": { "local": "2004-10-22T12:14:13-03:00", "utc": "2004-10-22T15:14:13Z", "ms": 1098458052644.0293 }, "end": { "local": "2004-10-22T13:02:13-03:00", "utc": "2004-10-22T16:02:13Z", "ms": 1098460932644.0293 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-10-23", "window": { "start": { "local": "2004-10-23T12:14:04-03:00", "utc": "2004-10-23T15:14:04Z", "ms": 1098544444354.9165 }, "end": { "local": "2004-10-23T13:02:04-03:00", "utc": "2004-10-23T16:02:04Z", "ms": 1098547324354.9165 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 04:05 on Fri 22 Oct to 02:29 on Sat 23 Oct.", "fact": "2004-10-22T07:04:42Z → 2004-10-23T05:29:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 22nd, 12:14–13:02 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6874 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Buenos Aires, 2004: Friday 22 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": "2004-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-22", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vijayā Daśamī (Dussehra) 2004 falls on Friday 22 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 04:05 on Fri 22 Oct to 02:29 on Sat 23 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-10-23", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12734, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-10-23T02:29:09-03:00", "utc": "2004-10-23T05:29:09Z", "ms": 1098509349323.6959 }, "end": { "local": "2004-10-24T01:12:52-03:00", "utc": "2004-10-24T04:12:52Z", "ms": 1098591172428.1974 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-23T02:29:09-03:00", "utc": "2004-10-23T05:29:09Z", "ms": 1098509349323.6959 }, "end": { "local": "2004-10-24T01:12:52-03:00", "utc": "2004-10-24T04:12:52Z", "ms": 1098591172428.1974 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-10-23", "window": { "start": { "local": "2004-10-23T06:01:24-03:00", "utc": "2004-10-23T09:01:24Z", "ms": 1098522083667.144 }, "end": { "local": "2004-10-23T06:01:24-03:00", "utc": "2004-10-23T09:01:24Z", "ms": 1098522083667.144 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-10-24", "window": { "start": { "local": "2004-10-24T06:00:15-03:00", "utc": "2004-10-24T09:00:15Z", "ms": 1098608414812.124 }, "end": { "local": "2004-10-24T06:00:15-03:00", "utc": "2004-10-24T09:00:15Z", "ms": 1098608414812.124 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:29 on Sat 23 Oct to 01:13 on Sun 24 Oct.", "fact": "2004-10-23T05:29:09Z → 2004-10-24T04:12:52Z" }, { "step": "kaala", "text": "Sunrise is at 06:01 on the 23rd and 06:00 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 12734 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Buenos Aires, 2004: Saturday 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": "2004-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Pāśāṅkuśā Ekādaśī 2004 falls on Saturday 23 October. Ekādaśī runs from 02:29 on Sat 23 Oct to 01:13 on Sun 24 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-10-23", "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/2004/pradosha-vrata?on=2004-10-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11135, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-10-25T00:18:15-03:00", "utc": "2004-10-25T03:18:15Z", "ms": 1098674295072.6667 }, "end": { "local": "2004-10-25T23:47:40-03:00", "utc": "2004-10-26T02:47:40Z", "ms": 1098758859571.9989 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-25T00:18:15-03:00", "utc": "2004-10-25T03:18:15Z", "ms": 1098674295072.6667 }, "end": { "local": "2004-10-25T23:47:40-03:00", "utc": "2004-10-26T02:47:40Z", "ms": 1098758859571.9989 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-10-24", "window": { "start": { "local": "2004-10-24T19:15:39-03:00", "utc": "2004-10-24T22:15:39Z", "ms": 1098656138678.4071 }, "end": { "local": "2004-10-24T20:41:26-03:00", "utc": "2004-10-24T23:41:26Z", "ms": 1098661286452.2538 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "2004-10-25", "window": { "start": { "local": "2004-10-25T19:16:33-03:00", "utc": "2004-10-25T22:16:33Z", "ms": 1098742592681.5605 }, "end": { "local": "2004-10-25T20:42:04-03:00", "utc": "2004-10-25T23:42:04Z", "ms": 1098747724352.1919 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:18 on Mon 25 Oct to 23:48 on Mon 25 Oct.", "fact": "2004-10-25T03:18:15Z → 2004-10-26T02:47:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:16–20:41 on the 24th, 19:17–20:42 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 24th and 86 of 86 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 11135 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2004: Monday 25 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": "2004-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2004 falls on Monday 25 October. Trayodaśī runs from 00:18 on Mon 25 Oct to 23:48 on Mon 25 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-10-25", "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/2004/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21841, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-10-31T04:13:57-03:00", "utc": "2004-10-31T07:13:57Z", "ms": 1099206836759.6311 }, "end": { "local": "2004-11-01T06:26:38-03:00", "utc": "2004-11-01T09:26:38Z", "ms": 1099301197823.931 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-10-31T04:13:57-03:00", "utc": "2004-10-31T07:13:57Z", "ms": 1099206836759.6311 }, "end": { "local": "2004-11-01T06:26:38-03:00", "utc": "2004-11-01T09:26:38Z", "ms": 1099301197823.931 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-10-30", "window": { "start": { "local": "2004-10-30T22:09:56-03:00", "utc": "2004-10-31T01:09:56Z", "ms": 1099184995671.6338 }, "end": { "local": "2004-10-30T22:09:56-03:00", "utc": "2004-10-31T01:09:56Z", "ms": 1099184995671.6338 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-10-31", "window": { "start": { "local": "2004-10-31T23:08:25-03:00", "utc": "2004-11-01T02:08:25Z", "ms": 1099274904757.7288 }, "end": { "local": "2004-10-31T23:08:25-03:00", "utc": "2004-11-01T02:08:25Z", "ms": 1099274904757.7288 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:14 on Sun 31 Oct to 06:27 on Mon 1 Nov.", "fact": "2004-10-31T07:13:57Z → 2004-11-01T09:26:38Z" }, { "step": "kaala", "text": "Moonrise is at 22:10 on the 30th and 23:08 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 31st.", "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 21841 s" }, { "step": "ruling", "text": "Karaka Caturthī, Buenos Aires, 2004: Sunday 31 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": "2004-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-31", "confidence": "determinate" } ], "quote": "In Buenos Aires, Karaka Caturthī (Karwa Chauth) 2004 falls on Sunday 31 October. Caturthī runs from 04:14 on Sun 31 Oct to 06:27 on Mon 1 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/sankashta-chaturthi?on=2004-10-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21841, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-10-31T04:13:57-03:00", "utc": "2004-10-31T07:13:57Z", "ms": 1099206836759.6311 }, "end": { "local": "2004-11-01T06:26:38-03:00", "utc": "2004-11-01T09:26:38Z", "ms": 1099301197823.931 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-10-31T04:13:57-03:00", "utc": "2004-10-31T07:13:57Z", "ms": 1099206836759.6311 }, "end": { "local": "2004-11-01T06:26:38-03:00", "utc": "2004-11-01T09:26:38Z", "ms": 1099301197823.931 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-10-30", "window": { "start": { "local": "2004-10-30T22:09:56-03:00", "utc": "2004-10-31T01:09:56Z", "ms": 1099184995671.6338 }, "end": { "local": "2004-10-30T22:09:56-03:00", "utc": "2004-10-31T01:09:56Z", "ms": 1099184995671.6338 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-10-31", "window": { "start": { "local": "2004-10-31T23:08:25-03:00", "utc": "2004-11-01T02:08:25Z", "ms": 1099274904757.7288 }, "end": { "local": "2004-10-31T23:08:25-03:00", "utc": "2004-11-01T02:08:25Z", "ms": 1099274904757.7288 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:14 on Sun 31 Oct to 06:27 on Mon 1 Nov.", "fact": "2004-10-31T07:13:57Z → 2004-11-01T09:26:38Z" }, { "step": "kaala", "text": "Moonrise is at 22:10 on the 30th and 23:08 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21841 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2004: Sunday 31 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": "2004-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-31", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2004 falls on Sunday 31 October. Caturthī runs from 04:14 on Sun 31 Oct to 06:27 on Mon 1 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-10-31", "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/2004/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38940, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-11-04T13:48:56-03:00", "utc": "2004-11-04T16:48:56Z", "ms": 1099586936231.4438 }, "end": { "local": "2004-11-05T15:51:06-03:00", "utc": "2004-11-05T18:51:06Z", "ms": 1099680666413.0557 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-04T13:48:56-03:00", "utc": "2004-11-04T16:48:56Z", "ms": 1099586936231.4438 }, "end": { "local": "2004-11-05T15:51:06-03:00", "utc": "2004-11-05T18:51:06Z", "ms": 1099680666413.0557 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-11-04", "window": { "start": { "local": "2004-11-05T02:08:26-03:00", "utc": "2004-11-05T05:08:26Z", "ms": 1099631306162.0557 }, "end": { "local": "2004-11-05T02:08:26-03:00", "utc": "2004-11-05T05:08:26Z", "ms": 1099631306162.0557 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-11-05", "window": { "start": { "local": "2004-11-06T02:40:07-03:00", "utc": "2004-11-06T05:40:07Z", "ms": 1099719606575.3394 }, "end": { "local": "2004-11-06T02:40:07-03:00", "utc": "2004-11-06T05:40:07Z", "ms": 1099719606575.3394 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 13:49 on Thu 4 Nov to 15:51 on Fri 5 Nov.", "fact": "2004-11-04T16:48:56Z → 2004-11-05T18:51:06Z" }, { "step": "kaala", "text": "Moonrise is at 02:08 on the 4th and 02:40 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38940 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Buenos Aires, 2004: Thursday 4 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ahoyī Aṣṭamī 2004 falls on Thursday 4 November. Aṣṭamī runs from 13:49 on Thu 4 Nov to 15:51 on Fri 5 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-11-08", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41501, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-11-07T18:09:34-03:00", "utc": "2004-11-07T21:09:34Z", "ms": 1099861774248.9128 }, "end": { "local": "2004-11-08T18:12:55-03:00", "utc": "2004-11-08T21:12:55Z", "ms": 1099948374763.5415 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-07T18:09:34-03:00", "utc": "2004-11-07T21:09:34Z", "ms": 1099861774248.9128 }, "end": { "local": "2004-11-08T18:12:55-03:00", "utc": "2004-11-08T21:12:55Z", "ms": 1099948374763.5415 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-11-08", "window": { "start": { "local": "2004-11-08T05:45:24-03:00", "utc": "2004-11-08T08:45:24Z", "ms": 1099903523856.811 }, "end": { "local": "2004-11-08T05:45:24-03:00", "utc": "2004-11-08T08:45:24Z", "ms": 1099903523856.811 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-11-09", "window": { "start": { "local": "2004-11-09T05:44:35-03:00", "utc": "2004-11-09T08:44:35Z", "ms": 1099989875412.4556 }, "end": { "local": "2004-11-09T05:44:35-03:00", "utc": "2004-11-09T08:44:35Z", "ms": 1099989875412.4556 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:10 on Sun 7 Nov to 18:13 on Mon 8 Nov.", "fact": "2004-11-07T21:09:34Z → 2004-11-08T21:12:55Z" }, { "step": "kaala", "text": "Sunrise is at 05:45 on the 8th and 05:45 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 41501 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Buenos Aires, 2004: Monday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-08", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ramā Ekādaśī 2004 falls on Monday 8 November. Ekādaśī runs from 18:10 on Sun 7 Nov to 18:13 on Mon 8 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-11-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4610, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-11-08T18:12:55-03:00", "utc": "2004-11-08T21:12:55Z", "ms": 1099948374763.5415 }, "end": { "local": "2004-11-09T17:30:12-03:00", "utc": "2004-11-09T20:30:12Z", "ms": 1100032212349.8003 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-08T18:12:55-03:00", "utc": "2004-11-08T21:12:55Z", "ms": 1099948374763.5415 }, "end": { "local": "2004-11-09T17:30:12-03:00", "utc": "2004-11-09T20:30:12Z", "ms": 1100032212349.8003 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-11-08", "window": { "start": { "local": "2004-11-08T19:29:44-03:00", "utc": "2004-11-08T22:29:44Z", "ms": 1099952984460.2634 }, "end": { "local": "2004-11-08T20:51:43-03:00", "utc": "2004-11-08T23:51:43Z", "ms": 1099957903253.8892 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2004-11-09", "window": { "start": { "local": "2004-11-09T19:30:43-03:00", "utc": "2004-11-09T22:30:43Z", "ms": 1100039443060.8044 }, "end": { "local": "2004-11-09T20:52:28-03:00", "utc": "2004-11-09T23:52:28Z", "ms": 1100044347787.7822 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:13 on Mon 8 Nov to 17:30 on Tue 9 Nov.", "fact": "2004-11-08T21:12:55Z → 2004-11-09T20:30:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:30–20:52 on the 8th, 19:31–20:52 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 82 of 82 minutes on the 8th and 0 of 82 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 4610 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Buenos Aires, 2004: Monday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-08", "confidence": "determinate" } ], "quote": "In Buenos Aires, Govatsa Dvādaśī (Vasu Baras) 2004 falls on Monday 8 November. Dvādaśī runs from 18:13 on Mon 8 Nov to 17:30 on Tue 9 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7231, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-11-09T17:30:12-03:00", "utc": "2004-11-09T20:30:12Z", "ms": 1100032212349.8003 }, "end": { "local": "2004-11-10T16:04:19-03:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-09T17:30:12-03:00", "utc": "2004-11-09T20:30:12Z", "ms": 1100032212349.8003 }, "end": { "local": "2004-11-10T16:04:19-03:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-11-09", "window": { "start": { "local": "2004-11-09T19:30:43-03:00", "utc": "2004-11-09T22:30:43Z", "ms": 1100039443060.8044 }, "end": { "local": "2004-11-09T20:52:28-03:00", "utc": "2004-11-09T23:52:28Z", "ms": 1100044347787.7822 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2004-11-10", "window": { "start": { "local": "2004-11-10T19:31:42-03:00", "utc": "2004-11-10T22:31:42Z", "ms": 1100125901820.8027 }, "end": { "local": "2004-11-10T20:53:13-03:00", "utc": "2004-11-10T23:53:13Z", "ms": 1100130792669.4722 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:30 on Tue 9 Nov to 16:04 on Wed 10 Nov.", "fact": "2004-11-09T20:30:12Z → 2004-11-10T19:04:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:31–20:52 on the 9th, 19:32–20:53 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 82 of 82 minutes on the 9th and 0 of 82 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 7231 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Buenos Aires, 2004: Tuesday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Yama Dīpadāna 2004 falls on Tuesday 9 November. Trayodaśī runs from 17:30 on Tue 9 Nov to 16:04 on Wed 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/pradosha-vrata?on=2004-11-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7231, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-11-09T17:30:12-03:00", "utc": "2004-11-09T20:30:12Z", "ms": 1100032212349.8003 }, "end": { "local": "2004-11-10T16:04:19-03:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-09T17:30:12-03:00", "utc": "2004-11-09T20:30:12Z", "ms": 1100032212349.8003 }, "end": { "local": "2004-11-10T16:04:19-03:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-11-09", "window": { "start": { "local": "2004-11-09T19:30:43-03:00", "utc": "2004-11-09T22:30:43Z", "ms": 1100039443060.8044 }, "end": { "local": "2004-11-09T20:52:28-03:00", "utc": "2004-11-09T23:52:28Z", "ms": 1100044347787.7822 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2004-11-10", "window": { "start": { "local": "2004-11-10T19:31:42-03:00", "utc": "2004-11-10T22:31:42Z", "ms": 1100125901820.8027 }, "end": { "local": "2004-11-10T20:53:13-03:00", "utc": "2004-11-10T23:53:13Z", "ms": 1100130792669.4722 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:30 on Tue 9 Nov to 16:04 on Wed 10 Nov.", "fact": "2004-11-09T20:30:12Z → 2004-11-10T19:04:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:31–20:52 on the 9th, 19:32–20:53 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 82 of 82 minutes on the 9th and 0 of 82 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7231 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2004: Tuesday 9 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": "2004-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2004 falls on Tuesday 9 November. Trayodaśī runs from 17:30 on Tue 9 Nov to 16:04 on Wed 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-11-09", "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/2004/shivaratri?on=2004-11-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29343, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-11-10T16:04:19-03:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 }, "end": { "local": "2004-11-11T14:00:50-03:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-10T16:04:19-03:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 }, "end": { "local": "2004-11-11T14:00:50-03:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 } }, "kaala": "nishita", "days": [ { "local_date": "2004-11-10", "window": { "start": { "local": "2004-11-11T00:13:23-03:00", "utc": "2004-11-11T03:13:23Z", "ms": 1100142802503.3127 }, "end": { "local": "2004-11-11T01:01:23-03:00", "utc": "2004-11-11T04:01:23Z", "ms": 1100145682503.3127 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-11-11", "window": { "start": { "local": "2004-11-12T00:13:30-03:00", "utc": "2004-11-12T03:13:30Z", "ms": 1100229210082.6917 }, "end": { "local": "2004-11-12T01:01:30-03:00", "utc": "2004-11-12T04:01:30Z", "ms": 1100232090082.6917 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:04 on Wed 10 Nov to 14:01 on Thu 11 Nov.", "fact": "2004-11-10T19:04:19Z → 2004-11-11T17:00:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 10th, 00:14–01:02 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29343 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2004: Wednesday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-10", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2004 falls on Wednesday 10 November. Caturdaśī runs from 16:04 on Wed 10 Nov to 14:01 on Thu 11 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/shivaratri?on=2004-11-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29867, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-11-10T16:04:19-03:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 }, "end": { "local": "2004-11-11T14:00:50-03:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-10T16:04:19-03:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 }, "end": { "local": "2004-11-11T14:00:50-03:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 } }, "kaala": "arunodaya", "days": [ { "local_date": "2004-11-10", "window": { "start": { "local": "2004-11-10T04:22:04-03:00", "utc": "2004-11-10T07:22:04Z", "ms": 1100071323786.1602 }, "end": { "local": "2004-11-10T05:43:49-03:00", "utc": "2004-11-10T08:43:49Z", "ms": 1100076228513.138 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2004-11-11", "window": { "start": { "local": "2004-11-11T04:21:32-03:00", "utc": "2004-11-11T07:21:32Z", "ms": 1100157692337.1533 }, "end": { "local": "2004-11-11T05:43:03-03:00", "utc": "2004-11-11T08:43:03Z", "ms": 1100162583185.8228 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:04 on Wed 10 Nov to 14:01 on Thu 11 Nov.", "fact": "2004-11-10T19:04:19Z → 2004-11-11T17:00:50Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:22–05:44 on the 10th, 04:22–05:43 on the 11th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 82 minutes on the 10th and 82 of 82 on the 11th.", "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 29867 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Buenos Aires, 2004: Thursday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Naraka Caturdaśī (Choti Diwali) 2004 falls on Thursday 11 November. Caturdaśī runs from 16:04 on Wed 10 Nov to 14:01 on Thu 11 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19911, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2004-11-11T14:00:50-03:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 }, "end": { "local": "2004-11-12T11:27:11-03:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-11T14:00:50-03:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 }, "end": { "local": "2004-11-12T11:27:11-03:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-11-11", "window": { "start": { "local": "2004-11-11T19:32:41-03:00", "utc": "2004-11-11T22:32:41Z", "ms": 1100212360709.468 }, "end": { "local": "2004-11-11T20:53:58-03:00", "utc": "2004-11-11T23:53:58Z", "ms": 1100217237875.661 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "2004-11-12", "window": { "start": { "local": "2004-11-12T19:33:40-03:00", "utc": "2004-11-12T22:33:40Z", "ms": 1100298819693.5215 }, "end": { "local": "2004-11-12T20:54:43-03:00", "utc": "2004-11-12T23:54:43Z", "ms": 1100303683380.7021 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 14:01 on Thu 11 Nov to 11:27 on Fri 12 Nov.", "fact": "2004-11-11T17:00:50Z → 2004-11-12T14:27:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:33–20:54 on the 11th, 19:34–20:55 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 81 of 81 minutes on the 11th and 0 of 81 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19911 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Buenos Aires, 2004: Thursday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Lakṣmī Pūjā (Diwali) 2004 falls on Thursday 11 November. Amāvasyā runs from 14:01 on Thu 11 Nov to 11:27 on Fri 12 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36760, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2004-11-11T14:00:50-03:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 }, "end": { "local": "2004-11-12T11:27:11-03:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-11T14:00:50-03:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 }, "end": { "local": "2004-11-12T11:27:11-03:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 } }, "kaala": "nishita", "days": [ { "local_date": "2004-11-11", "window": { "start": { "local": "2004-11-12T00:13:30-03:00", "utc": "2004-11-12T03:13:30Z", "ms": 1100229210082.6917 }, "end": { "local": "2004-11-12T01:01:30-03:00", "utc": "2004-11-12T04:01:30Z", "ms": 1100232090082.6917 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-11-12", "window": { "start": { "local": "2004-11-13T00:13:39-03:00", "utc": "2004-11-13T03:13:39Z", "ms": 1100315618520.4492 }, "end": { "local": "2004-11-13T01:01:39-03:00", "utc": "2004-11-13T04:01:39Z", "ms": 1100318498520.4492 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 14:01 on Thu 11 Nov to 11:27 on Fri 12 Nov.", "fact": "2004-11-11T17:00:50Z → 2004-11-12T14:27:11Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 11th, 00:14–01:02 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36760 s" }, { "step": "ruling", "text": "Kālī Pūjā, Buenos Aires, 2004: Thursday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kālī Pūjā 2004 falls on Thursday 11 November. Amāvasyā runs from 14:01 on Thu 11 Nov to 11:27 on Fri 12 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2809, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-11-12T11:27:11-03:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "end": { "local": "2004-11-13T08:31:58-03:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-12T11:27:11-03:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "end": { "local": "2004-11-13T08:31:58-03:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-12", "window": { "start": { "local": "2004-11-12T12:14:00-03:00", "utc": "2004-11-12T15:14:00Z", "ms": 1100272439574.7183 }, "end": { "local": "2004-11-12T13:02:00-03:00", "utc": "2004-11-12T16:02:00Z", "ms": 1100275319574.7183 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-11-13", "window": { "start": { "local": "2004-11-13T12:14:08-03:00", "utc": "2004-11-13T15:14:08Z", "ms": 1100358848042.3599 }, "end": { "local": "2004-11-13T13:02:08-03:00", "utc": "2004-11-13T16:02:08Z", "ms": 1100361728042.3599 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:27 on Fri 12 Nov to 08:32 on Sat 13 Nov.", "fact": "2004-11-12T14:27:11Z → 2004-11-13T11:31:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 12th, 12:14–13:02 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2809 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Buenos Aires, 2004: Friday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Govardhana Pūjā 2004 falls on Friday 12 November. Pratipadā runs from 11:27 on Fri 12 Nov to 08:32 on Sat 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29189, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-11-12T11:27:11-03:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "end": { "local": "2004-11-13T08:31:58-03:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-12T11:27:11-03:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "end": { "local": "2004-11-13T08:31:58-03:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-11-12", "window": { "start": { "local": "2004-11-12T19:33:40-03:00", "utc": "2004-11-12T22:33:40Z", "ms": 1100298819693.5215 }, "end": { "local": "2004-11-12T20:54:43-03:00", "utc": "2004-11-12T23:54:43Z", "ms": 1100303683380.7021 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "2004-11-13", "window": { "start": { "local": "2004-11-13T19:34:39-03:00", "utc": "2004-11-13T22:34:39Z", "ms": 1100385278737.343 }, "end": { "local": "2004-11-13T20:55:29-03:00", "utc": "2004-11-13T23:55:29Z", "ms": 1100390129156.7104 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:27 on Fri 12 Nov to 08:32 on Sat 13 Nov.", "fact": "2004-11-12T14:27:11Z → 2004-11-13T11:31:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:34–20:55 on the 12th, 19:35–20:55 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 81 of 81 minutes on the 12th and 0 of 81 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29189 s" }, { "step": "ruling", "text": "Bali Pūjā, Buenos Aires, 2004: Friday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Bali Pūjā 2004 falls on Friday 12 November. Pratipadā runs from 11:27 on Fri 12 Nov to 08:32 on Sat 13 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13330, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2004-11-13T08:31:58-03:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 }, "end": { "local": "2004-11-14T05:24:19-03:00", "utc": "2004-11-14T08:24:19Z", "ms": 1100420659286.3745 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-13T08:31:58-03:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 }, "end": { "local": "2004-11-14T05:24:19-03:00", "utc": "2004-11-14T08:24:19Z", "ms": 1100420659286.3745 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-13", "window": { "start": { "local": "2004-11-13T12:14:08-03:00", "utc": "2004-11-13T15:14:08Z", "ms": 1100358848042.3599 }, "end": { "local": "2004-11-13T13:02:08-03:00", "utc": "2004-11-13T16:02:08Z", "ms": 1100361728042.3599 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-11-14", "window": { "start": { "local": "2004-11-14T12:14:17-03:00", "utc": "2004-11-14T15:14:17Z", "ms": 1100445257343.226 }, "end": { "local": "2004-11-14T13:02:17-03:00", "utc": "2004-11-14T16:02:17Z", "ms": 1100448137343.226 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 08:32 on Sat 13 Nov to 05:24 on Sun 14 Nov.", "fact": "2004-11-13T11:31:58Z → 2004-11-14T08:24:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 13th, 12:14–13:02 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13330 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Buenos Aires, 2004: Saturday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Yama Dvitīyā (Bhai Dooj) 2004 falls on Saturday 13 November. Dvitīyā runs from 08:32 on Sat 13 Nov to 05:24 on Sun 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4065, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-11-12T11:27:11-03:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "end": { "local": "2004-11-13T08:31:58-03:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-12T11:27:11-03:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "end": { "local": "2004-11-13T08:31:58-03:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 } }, "kaala": "purvahna", "days": [ { "local_date": "2004-11-12", "window": { "start": { "local": "2004-11-12T05:42:19-03:00", "utc": "2004-11-12T08:42:19Z", "ms": 1100248939455.9153 }, "end": { "local": "2004-11-12T10:19:26-03:00", "utc": "2004-11-12T13:19:26Z", "ms": 1100265566201.784 } }, "covered_min": 0, "window_min": 277, "qualifies": false }, { "local_date": "2004-11-13", "window": { "start": { "local": "2004-11-13T05:41:37-03:00", "utc": "2004-11-13T08:41:37Z", "ms": 1100335297347.3767 }, "end": { "local": "2004-11-13T10:19:18-03:00", "utc": "2004-11-13T13:19:18Z", "ms": 1100351957810.6987 } }, "covered_min": 170, "window_min": 278, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:27 on Fri 12 Nov to 08:32 on Sat 13 Nov.", "fact": "2004-11-12T14:27:11Z → 2004-11-13T11:31:58Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:42–10:19 on the 12th, 05:42–10:19 on the 13th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 277 minutes on the 12th and 170 of 278 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4065 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Buenos Aires, 2004: Saturday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Dyūta Pratipad 2004 falls on Saturday 13 November. Pratipadā runs from 11:27 on Fri 12 Nov to 08:32 on Sat 13 Nov and covers 170 of 278 minutes of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36061, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-11-15T02:13:27-03:00", "utc": "2004-11-15T05:13:27Z", "ms": 1100495606964.2185 }, "end": { "local": "2004-11-15T23:08:12-03:00", "utc": "2004-11-16T02:08:12Z", "ms": 1100570891882.6216 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-15T02:13:27-03:00", "utc": "2004-11-15T05:13:27Z", "ms": 1100495606964.2185 }, "end": { "local": "2004-11-15T23:08:12-03:00", "utc": "2004-11-16T02:08:12Z", "ms": 1100570891882.6216 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-15", "window": { "start": { "local": "2004-11-15T12:14:27-03:00", "utc": "2004-11-15T15:14:27Z", "ms": 1100531667469.0288 }, "end": { "local": "2004-11-15T13:02:27-03:00", "utc": "2004-11-15T16:02:27Z", "ms": 1100534547469.0288 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-11-16", "window": { "start": { "local": "2004-11-16T12:14:38-03:00", "utc": "2004-11-16T15:14:38Z", "ms": 1100618078411.149 }, "end": { "local": "2004-11-16T13:02:38-03:00", "utc": "2004-11-16T16:02:38Z", "ms": 1100620958411.149 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:13 on Mon 15 Nov to 23:08 on Mon 15 Nov.", "fact": "2004-11-15T05:13:27Z → 2004-11-16T02:08:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 15th, 12:15–13:03 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36061 s" }, { "step": "ruling", "text": "Nāga Caturthī, Buenos Aires, 2004: Monday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nāga Caturthī 2004 falls on Monday 15 November. Caturthī runs from 02:13 on Mon 15 Nov to 23:08 on Mon 15 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/vinayaka-chaturthi?on=2004-11-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36061, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-11-15T02:13:27-03:00", "utc": "2004-11-15T05:13:27Z", "ms": 1100495606964.2185 }, "end": { "local": "2004-11-15T23:08:12-03:00", "utc": "2004-11-16T02:08:12Z", "ms": 1100570891882.6216 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-15T02:13:27-03:00", "utc": "2004-11-15T05:13:27Z", "ms": 1100495606964.2185 }, "end": { "local": "2004-11-15T23:08:12-03:00", "utc": "2004-11-16T02:08:12Z", "ms": 1100570891882.6216 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-15", "window": { "start": { "local": "2004-11-15T12:14:27-03:00", "utc": "2004-11-15T15:14:27Z", "ms": 1100531667469.0288 }, "end": { "local": "2004-11-15T13:02:27-03:00", "utc": "2004-11-15T16:02:27Z", "ms": 1100534547469.0288 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-11-16", "window": { "start": { "local": "2004-11-16T12:14:38-03:00", "utc": "2004-11-16T15:14:38Z", "ms": 1100618078411.149 }, "end": { "local": "2004-11-16T13:02:38-03:00", "utc": "2004-11-16T16:02:38Z", "ms": 1100620958411.149 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:13 on Mon 15 Nov to 23:08 on Mon 15 Nov.", "fact": "2004-11-15T05:13:27Z → 2004-11-16T02:08:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 15th, 12:15–13:03 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36061 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2004: Monday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2004 falls on Monday 15 November. Caturthī runs from 02:13 on Mon 15 Nov to 23:08 on Mon 15 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/vinayaka-chaturthi?on=2004-11-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16985, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-11-16T20:16:41-03:00", "utc": "2004-11-16T23:16:41Z", "ms": 1100647001018.8655 }, "end": { "local": "2004-11-17T17:45:55-03:00", "utc": "2004-11-17T20:45:55Z", "ms": 1100724355077.9219 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-16T20:16:41-03:00", "utc": "2004-11-16T23:16:41Z", "ms": 1100647001018.8655 }, "end": { "local": "2004-11-17T17:45:55-03:00", "utc": "2004-11-17T20:45:55Z", "ms": 1100724355077.9219 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-16", "window": { "start": { "local": "2004-11-16T12:14:38-03:00", "utc": "2004-11-16T15:14:38Z", "ms": 1100618078411.149 }, "end": { "local": "2004-11-16T13:02:38-03:00", "utc": "2004-11-16T16:02:38Z", "ms": 1100620958411.149 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-11-17", "window": { "start": { "local": "2004-11-17T12:14:50-03:00", "utc": "2004-11-17T15:14:50Z", "ms": 1100704490161.1047 }, "end": { "local": "2004-11-17T13:02:50-03:00", "utc": "2004-11-17T16:02:50Z", "ms": 1100707370161.1047 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:17 on Tue 16 Nov to 17:46 on Wed 17 Nov.", "fact": "2004-11-16T23:16:41Z → 2004-11-17T20:45:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 16th, 12:15–13:03 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16985 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Buenos Aires, 2004: Wednesday 17 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Sūrya Ṣaṣṭhī (Chhath) 2004 falls on Wednesday 17 November. Ṣaṣṭhī runs from 20:17 on Tue 16 Nov to 17:46 on Wed 17 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3833, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-11-18T15:41:28-03:00", "utc": "2004-11-18T18:41:28Z", "ms": 1100803287666.6543 }, "end": { "local": "2004-11-19T14:07:09-03:00", "utc": "2004-11-19T17:07:09Z", "ms": 1100884028946.5422 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-18T15:41:28-03:00", "utc": "2004-11-18T18:41:28Z", "ms": 1100803287666.6543 }, "end": { "local": "2004-11-19T14:07:09-03:00", "utc": "2004-11-19T17:07:09Z", "ms": 1100884028946.5422 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-18", "window": { "start": { "local": "2004-11-18T12:15:03-03:00", "utc": "2004-11-18T15:15:03Z", "ms": 1100790902710.772 }, "end": { "local": "2004-11-18T13:03:03-03:00", "utc": "2004-11-18T16:03:03Z", "ms": 1100793782710.772 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-11-19", "window": { "start": { "local": "2004-11-19T12:15:16-03:00", "utc": "2004-11-19T15:15:16Z", "ms": 1100877316052.3486 }, "end": { "local": "2004-11-19T13:03:16-03:00", "utc": "2004-11-19T16:03:16Z", "ms": 1100880196052.3486 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 15:41 on Thu 18 Nov to 14:07 on Fri 19 Nov.", "fact": "2004-11-18T18:41:28Z → 2004-11-19T17:07:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 18th, 12:15–13:03 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3833 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Buenos Aires, 2004: Friday 19 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": "2004-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-19", "confidence": "boundary" } ], "quote": "In Buenos Aires, Gopāṣṭamī 2004 falls on Friday 19 November. Aṣṭamī runs from 15:41 on Thu 18 Nov to 14:07 on Fri 19 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9968, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2004-11-19T14:07:09-03:00", "utc": "2004-11-19T17:07:09Z", "ms": 1100884028946.5422 }, "end": { "local": "2004-11-20T13:04:58-03:00", "utc": "2004-11-20T16:04:58Z", "ms": 1100966698215.9167 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-19T14:07:09-03:00", "utc": "2004-11-19T17:07:09Z", "ms": 1100884028946.5422 }, "end": { "local": "2004-11-20T13:04:58-03:00", "utc": "2004-11-20T16:04:58Z", "ms": 1100966698215.9167 } }, "kaala": "purvahna", "days": [ { "local_date": "2004-11-19", "window": { "start": { "local": "2004-11-19T05:38:00-03:00", "utc": "2004-11-19T08:38:00Z", "ms": 1100853480008.8872 }, "end": { "local": "2004-11-19T10:18:51-03:00", "utc": "2004-11-19T13:18:51Z", "ms": 1100870330704.528 } }, "covered_min": 0, "window_min": 281, "qualifies": false }, { "local_date": "2004-11-20", "window": { "start": { "local": "2004-11-20T05:37:30-03:00", "utc": "2004-11-20T08:37:30Z", "ms": 1100939849881.5398 }, "end": { "local": "2004-11-20T10:18:50-03:00", "utc": "2004-11-20T13:18:50Z", "ms": 1100956730079.2874 } }, "covered_min": 281, "window_min": 281, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 14:07 on Fri 19 Nov to 13:05 on Sat 20 Nov.", "fact": "2004-11-19T17:07:09Z → 2004-11-20T16:04:58Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:38–10:19 on the 19th, 05:37–10:19 on the 20th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 281 minutes on the 19th and 281 of 281 on the 20th.", "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 9968 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Buenos Aires, 2004: Saturday 20 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": "2004-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Akṣaya Navamī (Amla Navami) 2004 falls on Saturday 20 November. Navamī runs from 14:07 on Fri 19 Nov to 13:05 on Sat 20 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-20", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 88, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2004-11-19T14:07:09-03:00", "utc": "2004-11-19T17:07:09Z", "ms": 1100884028946.5422 }, "end": { "local": "2004-11-20T13:04:58-03:00", "utc": "2004-11-20T16:04:58Z", "ms": 1100966698215.9167 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-19T14:07:09-03:00", "utc": "2004-11-19T17:07:09Z", "ms": 1100884028946.5422 }, "end": { "local": "2004-11-20T13:04:58-03:00", "utc": "2004-11-20T16:04:58Z", "ms": 1100966698215.9167 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-19", "window": { "start": { "local": "2004-11-19T12:15:16-03:00", "utc": "2004-11-19T15:15:16Z", "ms": 1100877316052.3486 }, "end": { "local": "2004-11-19T13:03:16-03:00", "utc": "2004-11-19T16:03:16Z", "ms": 1100880196052.3486 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-11-20", "window": { "start": { "local": "2004-11-20T12:15:30-03:00", "utc": "2004-11-20T15:15:30Z", "ms": 1100963730178.1611 }, "end": { "local": "2004-11-20T13:03:30-03:00", "utc": "2004-11-20T16:03:30Z", "ms": 1100966610178.1611 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 14:07 on Fri 19 Nov to 13:05 on Sat 20 Nov.", "fact": "2004-11-19T17:07:09Z → 2004-11-20T16:04:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 19th, 12:16–13:04 on the 20th.", "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 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 88 s < 300 s" }, { "step": "ruling", "text": "Durgā Navamī, Buenos Aires, 2004: Saturday 20 November.", "fact": "confidence: boundary (margin)" } ], "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": "2004-11-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-20", "confidence": "boundary" } ], "quote": "In Buenos Aires, Durgā Navamī 2004 falls on Saturday 20 November. Navamī runs from 14:07 on Fri 19 Nov to 13:05 on Sat 20 Nov and covers all of madhyāhna that midday. It is 1 min 28 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-11-22", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25088, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-11-21T12:35:09-03:00", "utc": "2004-11-21T15:35:09Z", "ms": 1101051309457.8228 }, "end": { "local": "2004-11-22T12:36:31-03:00", "utc": "2004-11-22T15:36:31Z", "ms": 1101137790937.6685 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-21T12:35:09-03:00", "utc": "2004-11-21T15:35:09Z", "ms": 1101051309457.8228 }, "end": { "local": "2004-11-22T12:36:31-03:00", "utc": "2004-11-22T15:36:31Z", "ms": 1101137790937.6685 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-11-21", "window": { "start": { "local": "2004-11-21T05:37:02-03:00", "utc": "2004-11-21T08:37:02Z", "ms": 1101026221555.3115 }, "end": { "local": "2004-11-21T05:37:02-03:00", "utc": "2004-11-21T08:37:02Z", "ms": 1101026221555.3115 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-11-22", "window": { "start": { "local": "2004-11-22T05:36:35-03:00", "utc": "2004-11-22T08:36:35Z", "ms": 1101112595051.4482 }, "end": { "local": "2004-11-22T05:36:35-03:00", "utc": "2004-11-22T08:36:35Z", "ms": 1101112595051.4482 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:35 on Sun 21 Nov to 12:37 on Mon 22 Nov.", "fact": "2004-11-21T15:35:09Z → 2004-11-22T15:36:31Z" }, { "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 not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25088 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Buenos Aires, 2004: Monday 22 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": "2004-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-22", "confidence": "determinate" } ], "quote": "In Buenos Aires, Prabodhinī Ekādaśī 2004 falls on Monday 22 November. Ekādaśī runs from 12:35 on Sun 21 Nov to 12:37 on Mon 22 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-11-22", "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/2004/pradosha-vrata?on=2004-11-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20491, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-11-23T13:06:55-03:00", "utc": "2004-11-23T16:06:55Z", "ms": 1101226015110.3345 }, "end": { "local": "2004-11-24T14:03:51-03:00", "utc": "2004-11-24T17:03:51Z", "ms": 1101315830532.8364 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-23T13:06:55-03:00", "utc": "2004-11-23T16:06:55Z", "ms": 1101226015110.3345 }, "end": { "local": "2004-11-24T14:03:51-03:00", "utc": "2004-11-24T17:03:51Z", "ms": 1101315830532.8364 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-11-23", "window": { "start": { "local": "2004-11-23T19:44:24-03:00", "utc": "2004-11-23T22:44:24Z", "ms": 1101249863971.7056 }, "end": { "local": "2004-11-23T21:03:15-03:00", "utc": "2004-11-24T00:03:15Z", "ms": 1101254595121.0344 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "2004-11-24", "window": { "start": { "local": "2004-11-24T19:45:21-03:00", "utc": "2004-11-24T22:45:21Z", "ms": 1101336321130.819 }, "end": { "local": "2004-11-24T21:04:02-03:00", "utc": "2004-11-25T00:04:02Z", "ms": 1101341041869.8853 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:07 on Tue 23 Nov to 14:04 on Wed 24 Nov.", "fact": "2004-11-23T16:06:55Z → 2004-11-24T17:03:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:44–21:03 on the 23rd, 19:45–21:04 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 79 of 79 minutes on the 23rd and 0 of 79 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 20491 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2004: Tuesday 23 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": "2004-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2004 falls on Tuesday 23 November. Trayodaśī runs from 13:07 on Tue 23 Nov to 14:04 on Wed 24 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-11-23", "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/2004/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25787, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-11-25T15:24:46-03:00", "utc": "2004-11-25T18:24:46Z", "ms": 1101407085588.5254 }, "end": { "local": "2004-11-26T17:07:16-03:00", "utc": "2004-11-26T20:07:16Z", "ms": 1101499635651.1597 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-25T15:24:46-03:00", "utc": "2004-11-25T18:24:46Z", "ms": 1101407085588.5254 }, "end": { "local": "2004-11-26T17:07:16-03:00", "utc": "2004-11-26T20:07:16Z", "ms": 1101499635651.1597 } }, "kaala": "nishita", "days": [ { "local_date": "2004-11-25", "window": { "start": { "local": "2004-11-26T00:16:43-03:00", "utc": "2004-11-26T03:16:43Z", "ms": 1101439002771.3962 }, "end": { "local": "2004-11-26T01:04:43-03:00", "utc": "2004-11-26T04:04:43Z", "ms": 1101441882771.3962 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-11-26", "window": { "start": { "local": "2004-11-27T00:17:02-03:00", "utc": "2004-11-27T03:17:02Z", "ms": 1101525422376.9492 }, "end": { "local": "2004-11-27T01:05:02-03:00", "utc": "2004-11-27T04:05:02Z", "ms": 1101528302376.9492 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:25 on Thu 25 Nov to 17:07 on Fri 26 Nov.", "fact": "2004-11-25T18:24:46Z → 2004-11-26T20:07:16Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:17–01:05 on the 25th, 00:17–01:05 on the 26th.", "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 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: paraviddha → only-day · margin 25787 s" }, { "step": "ruling", "text": "Rāsayātrā, Buenos Aires, 2004: Thursday 25 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": "2004-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rāsayātrā 2004 falls on Thursday 25 November. Pūrṇimā runs from 15:25 on Thu 25 Nov to 17:07 on Fri 26 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8393, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-11-25T15:24:46-03:00", "utc": "2004-11-25T18:24:46Z", "ms": 1101407085588.5254 }, "end": { "local": "2004-11-26T17:07:16-03:00", "utc": "2004-11-26T20:07:16Z", "ms": 1101499635651.1597 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-25T15:24:46-03:00", "utc": "2004-11-25T18:24:46Z", "ms": 1101407085588.5254 }, "end": { "local": "2004-11-26T17:07:16-03:00", "utc": "2004-11-26T20:07:16Z", "ms": 1101499635651.1597 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-25", "window": { "start": { "local": "2004-11-25T12:16:52-03:00", "utc": "2004-11-25T15:16:52Z", "ms": 1101395812281.1729 }, "end": { "local": "2004-11-25T13:04:52-03:00", "utc": "2004-11-25T16:04:52Z", "ms": 1101398692281.1729 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-11-26", "window": { "start": { "local": "2004-11-26T12:17:11-03:00", "utc": "2004-11-26T15:17:11Z", "ms": 1101482230929.4329 }, "end": { "local": "2004-11-26T13:05:11-03:00", "utc": "2004-11-26T16:05:11Z", "ms": 1101485110929.4329 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:25 on Thu 25 Nov to 17:07 on Fri 26 Nov.", "fact": "2004-11-25T18:24:46Z → 2004-11-26T20:07:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 25th, 12:17–13:05 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8393 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Buenos Aires, 2004: Friday 26 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": "2004-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kārtikī Pūrṇimā 2004 falls on Friday 26 November. Pūrṇimā runs from 15:25 on Thu 25 Nov to 17:07 on Fri 26 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/sankashta-chaturthi?on=2004-11-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4222, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-11-29T23:55:22-03:00", "utc": "2004-11-30T02:55:22Z", "ms": 1101783322368.1035 }, "end": { "local": "2004-12-01T02:29:34-03:00", "utc": "2004-12-01T05:29:34Z", "ms": 1101878973864.802 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-11-29T23:55:22-03:00", "utc": "2004-11-30T02:55:22Z", "ms": 1101783322368.1035 }, "end": { "local": "2004-12-01T02:29:34-03:00", "utc": "2004-12-01T05:29:34Z", "ms": 1101878973864.802 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-11-29", "window": { "start": { "local": "2004-11-29T22:45:00-03:00", "utc": "2004-11-30T01:45:00Z", "ms": 1101779100368.0537 }, "end": { "local": "2004-11-29T22:45:00-03:00", "utc": "2004-11-30T01:45:00Z", "ms": 1101779100368.0537 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-11-30", "window": { "start": { "local": "2004-11-30T23:29:02-03:00", "utc": "2004-12-01T02:29:02Z", "ms": 1101868141563.7183 }, "end": { "local": "2004-11-30T23:29:02-03:00", "utc": "2004-12-01T02:29:02Z", "ms": 1101868141563.7183 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:55 on Mon 29 Nov to 02:30 on Wed 1 Dec.", "fact": "2004-11-30T02:55:22Z → 2004-12-01T05:29:34Z" }, { "step": "kaala", "text": "Moonrise is at 22:45 on the 29th and 23:29 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4222 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2004: Tuesday 30 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": "2004-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-30", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2004 falls on Tuesday 30 November. Caturthī runs from 23:55 on Mon 29 Nov to 02:30 on Wed 1 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-11-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/ekadashi?on=2004-12-08", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14495, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-12-07T10:41:51-03:00", "utc": "2004-12-07T13:41:51Z", "ms": 1102426910821.251 }, "end": { "local": "2004-12-08T09:35:27-03:00", "utc": "2004-12-08T12:35:27Z", "ms": 1102509327137.1824 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-07T10:41:51-03:00", "utc": "2004-12-07T13:41:51Z", "ms": 1102426910821.251 }, "end": { "local": "2004-12-08T09:35:27-03:00", "utc": "2004-12-08T12:35:27Z", "ms": 1102509327137.1824 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-12-07", "window": { "start": { "local": "2004-12-07T05:33:47-03:00", "utc": "2004-12-07T08:33:47Z", "ms": 1102408427337.568 }, "end": { "local": "2004-12-07T05:33:47-03:00", "utc": "2004-12-07T08:33:47Z", "ms": 1102408427337.568 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-12-08", "window": { "start": { "local": "2004-12-08T05:33:52-03:00", "utc": "2004-12-08T08:33:52Z", "ms": 1102494831924.4885 }, "end": { "local": "2004-12-08T05:33:52-03:00", "utc": "2004-12-08T08:33:52Z", "ms": 1102494831924.4885 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:42 on Tue 7 Dec to 09:35 on Wed 8 Dec.", "fact": "2004-12-07T13:41:51Z → 2004-12-08T12:35:27Z" }, { "step": "kaala", "text": "Sunrise is at 05:34 on the 7th and 05:34 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14495 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Buenos Aires, 2004: Wednesday 8 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-08", "confidence": "determinate" } ], "quote": "In Buenos Aires, Utpannā Ekādaśī 2004 falls on Wednesday 8 December. Ekādaśī runs from 10:42 on Tue 7 Dec to 09:35 on Wed 8 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-12-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/pradosha-vrata?on=2004-12-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28321, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-12-09T07:41:56-03:00", "utc": "2004-12-09T10:41:56Z", "ms": 1102588915625.0205 }, "end": { "local": "2004-12-10T05:07:13-03:00", "utc": "2004-12-10T08:07:13Z", "ms": 1102666032710.6003 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-09T07:41:56-03:00", "utc": "2004-12-09T10:41:56Z", "ms": 1102588915625.0205 }, "end": { "local": "2004-12-10T05:07:13-03:00", "utc": "2004-12-10T08:07:13Z", "ms": 1102666032710.6003 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-12-08", "window": { "start": { "local": "2004-12-08T19:57:39-03:00", "utc": "2004-12-08T22:57:39Z", "ms": 1102546659447.0725 }, "end": { "local": "2004-12-08T21:14:30-03:00", "utc": "2004-12-09T00:14:30Z", "ms": 1102551269985.8313 } }, "covered_min": 0, "window_min": 77, "qualifies": false }, { "local_date": "2004-12-09", "window": { "start": { "local": "2004-12-09T19:58:26-03:00", "utc": "2004-12-09T22:58:26Z", "ms": 1102633105893.4316 }, "end": { "local": "2004-12-09T21:15:11-03:00", "utc": "2004-12-10T00:15:11Z", "ms": 1102637711376.4443 } }, "covered_min": 77, "window_min": 77, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:42 on Thu 9 Dec to 05:07 on Fri 10 Dec.", "fact": "2004-12-09T10:41:56Z → 2004-12-10T08:07:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:58–21:14 on the 8th, 19:58–21:15 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 77 minutes on the 8th and 77 of 77 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 28321 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2004: Thursday 9 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2004 falls on Thursday 9 December. Trayodaśī runs from 07:42 on Thu 9 Dec to 05:07 on Fri 10 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-12-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/shivaratri?on=2004-12-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2932, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-12-10T05:07:13-03:00", "utc": "2004-12-10T08:07:13Z", "ms": 1102666032710.6003 }, "end": { "local": "2004-12-11T01:59:37-03:00", "utc": "2004-12-11T04:59:37Z", "ms": 1102741176798.1514 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-10T05:07:13-03:00", "utc": "2004-12-10T08:07:13Z", "ms": 1102666032710.6003 }, "end": { "local": "2004-12-11T01:59:37-03:00", "utc": "2004-12-11T04:59:37Z", "ms": 1102741176798.1514 } }, "kaala": "nishita", "days": [ { "local_date": "2004-12-09", "window": { "start": { "local": "2004-12-10T00:22:16-03:00", "utc": "2004-12-10T03:22:16Z", "ms": 1102648936454.7292 }, "end": { "local": "2004-12-10T01:10:16-03:00", "utc": "2004-12-10T04:10:16Z", "ms": 1102651816454.7292 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-12-10", "window": { "start": { "local": "2004-12-11T00:22:44-03:00", "utc": "2004-12-11T03:22:44Z", "ms": 1102735364364.0244 }, "end": { "local": "2004-12-11T01:10:44-03:00", "utc": "2004-12-11T04:10:44Z", "ms": 1102738244364.0244 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:07 on Fri 10 Dec to 02:00 on Sat 11 Dec.", "fact": "2004-12-10T08:07:13Z → 2004-12-11T04:59:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 9th, 00:23–01:11 on the 10th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2932 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2004: Friday 10 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-10", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2004 falls on Friday 10 December. Caturdaśī runs from 05:07 on Fri 10 Dec to 02:00 on Sat 11 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/shivaratri?on=2004-12-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/vinayaka-chaturthi?on=2004-12-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3330, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-12-14T11:29:00-03:00", "utc": "2004-12-14T14:29:00Z", "ms": 1103034539977.5896 }, "end": { "local": "2004-12-15T08:16:02-03:00", "utc": "2004-12-15T11:16:02Z", "ms": 1103109361818.8533 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-14T11:29:00-03:00", "utc": "2004-12-14T14:29:00Z", "ms": 1103034539977.5896 }, "end": { "local": "2004-12-15T08:16:02-03:00", "utc": "2004-12-15T11:16:02Z", "ms": 1103109361818.8533 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-12-14", "window": { "start": { "local": "2004-12-14T12:24:30-03:00", "utc": "2004-12-14T15:24:30Z", "ms": 1103037870450.0454 }, "end": { "local": "2004-12-14T13:12:30-03:00", "utc": "2004-12-14T16:12:30Z", "ms": 1103040750450.0454 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-12-15", "window": { "start": { "local": "2004-12-15T12:24:59-03:00", "utc": "2004-12-15T15:24:59Z", "ms": 1103124298992.0608 }, "end": { "local": "2004-12-15T13:12:59-03:00", "utc": "2004-12-15T16:12:59Z", "ms": 1103127178992.0608 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:29 on Tue 14 Dec to 08:16 on Wed 15 Dec.", "fact": "2004-12-14T14:29:00Z → 2004-12-15T11:16:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 14th, 12:25–13:13 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3330 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2004: Tuesday 14 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": "2004-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2004 falls on Tuesday 14 December. Caturthī runs from 11:29 on Tue 14 Dec to 08:16 on Wed 15 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/vinayaka-chaturthi?on=2004-12-14", "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/2004/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14937, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-12-15T08:16:02-03:00", "utc": "2004-12-15T11:16:02Z", "ms": 1103109361818.8533 }, "end": { "local": "2004-12-16T05:33:00-03:00", "utc": "2004-12-16T08:33:00Z", "ms": 1103185979600.2993 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-15T08:16:02-03:00", "utc": "2004-12-15T11:16:02Z", "ms": 1103109361818.8533 }, "end": { "local": "2004-12-16T05:33:00-03:00", "utc": "2004-12-16T08:33:00Z", "ms": 1103185979600.2993 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-12-15", "window": { "start": { "local": "2004-12-15T12:24:59-03:00", "utc": "2004-12-15T15:24:59Z", "ms": 1103124298992.0608 }, "end": { "local": "2004-12-15T13:12:59-03:00", "utc": "2004-12-15T16:12:59Z", "ms": 1103127178992.0608 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-12-16", "window": { "start": { "local": "2004-12-16T12:25:28-03:00", "utc": "2004-12-16T15:25:28Z", "ms": 1103210727744.7344 }, "end": { "local": "2004-12-16T13:13:28-03:00", "utc": "2004-12-16T16:13:28Z", "ms": 1103213607744.7344 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:16 on Wed 15 Dec to 05:33 on Thu 16 Dec.", "fact": "2004-12-15T11:16:02Z → 2004-12-16T08:33:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 15th, 12:25–13:13 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14937 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Buenos Aires, 2004: Wednesday 15 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nāga Pañcamī (Mārgaśīrṣa) 2004 falls on Wednesday 15 December. Pañcamī runs from 08:16 on Wed 15 Dec to 05:33 on Thu 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24748, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-12-16T05:33:00-03:00", "utc": "2004-12-16T08:33:00Z", "ms": 1103185979600.2993 }, "end": { "local": "2004-12-17T03:27:25-03:00", "utc": "2004-12-17T06:27:25Z", "ms": 1103264845198.116 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-16T05:33:00-03:00", "utc": "2004-12-16T08:33:00Z", "ms": 1103185979600.2993 }, "end": { "local": "2004-12-17T03:27:25-03:00", "utc": "2004-12-17T06:27:25Z", "ms": 1103264845198.116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-12-16", "window": { "start": { "local": "2004-12-16T12:25:28-03:00", "utc": "2004-12-16T15:25:28Z", "ms": 1103210727744.7344 }, "end": { "local": "2004-12-16T13:13:28-03:00", "utc": "2004-12-16T16:13:28Z", "ms": 1103213607744.7344 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-12-17", "window": { "start": { "local": "2004-12-17T12:25:57-03:00", "utc": "2004-12-17T15:25:57Z", "ms": 1103297156673.129 }, "end": { "local": "2004-12-17T13:13:57-03:00", "utc": "2004-12-17T16:13:57Z", "ms": 1103300036673.129 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:33 on Thu 16 Dec to 03:27 on Fri 17 Dec.", "fact": "2004-12-16T08:33:00Z → 2004-12-17T06:27:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 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": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24748 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Buenos Aires, 2004: Thursday 16 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Campā Ṣaṣṭhī 2004 falls on Thursday 16 December. Ṣaṣṭhī runs from 05:33 on Thu 16 Dec to 03:27 on Fri 17 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24748, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-12-16T05:33:00-03:00", "utc": "2004-12-16T08:33:00Z", "ms": 1103185979600.2993 }, "end": { "local": "2004-12-17T03:27:25-03:00", "utc": "2004-12-17T06:27:25Z", "ms": 1103264845198.116 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-16T05:33:00-03:00", "utc": "2004-12-16T08:33:00Z", "ms": 1103185979600.2993 }, "end": { "local": "2004-12-17T03:27:25-03:00", "utc": "2004-12-17T06:27:25Z", "ms": 1103264845198.116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-12-16", "window": { "start": { "local": "2004-12-16T12:25:28-03:00", "utc": "2004-12-16T15:25:28Z", "ms": 1103210727744.7344 }, "end": { "local": "2004-12-16T13:13:28-03:00", "utc": "2004-12-16T16:13:28Z", "ms": 1103213607744.7344 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-12-17", "window": { "start": { "local": "2004-12-17T12:25:57-03:00", "utc": "2004-12-17T15:25:57Z", "ms": 1103297156673.129 }, "end": { "local": "2004-12-17T13:13:57-03:00", "utc": "2004-12-17T16:13:57Z", "ms": 1103300036673.129 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:33 on Thu 16 Dec to 03:27 on Fri 17 Dec.", "fact": "2004-12-16T08:33:00Z → 2004-12-17T06:27:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 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": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24748 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Buenos Aires, 2004: Thursday 16 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Skanda Ṣaṣṭhī 2004 falls on Thursday 16 December. Ṣaṣṭhī runs from 05:33 on Thu 16 Dec to 03:27 on Fri 17 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32311, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-12-17T03:27:25-03:00", "utc": "2004-12-17T06:27:25Z", "ms": 1103264845198.116 }, "end": { "local": "2004-12-18T02:04:24-03:00", "utc": "2004-12-18T05:04:24Z", "ms": 1103346263754.8525 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-17T03:27:25-03:00", "utc": "2004-12-17T06:27:25Z", "ms": 1103264845198.116 }, "end": { "local": "2004-12-18T02:04:24-03:00", "utc": "2004-12-18T05:04:24Z", "ms": 1103346263754.8525 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-12-17", "window": { "start": { "local": "2004-12-17T12:25:57-03:00", "utc": "2004-12-17T15:25:57Z", "ms": 1103297156673.129 }, "end": { "local": "2004-12-17T13:13:57-03:00", "utc": "2004-12-17T16:13:57Z", "ms": 1103300036673.129 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-12-18", "window": { "start": { "local": "2004-12-18T12:26:26-03:00", "utc": "2004-12-18T15:26:26Z", "ms": 1103383585743.4702 }, "end": { "local": "2004-12-18T13:14:26-03:00", "utc": "2004-12-18T16:14:26Z", "ms": 1103386465743.4702 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:27 on Fri 17 Dec to 02:04 on Sat 18 Dec.", "fact": "2004-12-17T06:27:25Z → 2004-12-18T05:04:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 17th, 12:26–13:14 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32311 s" }, { "step": "ruling", "text": "Mitra Saptamī, Buenos Aires, 2004: Friday 17 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": "2004-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mitra Saptamī 2004 falls on Friday 17 December. Saptamī runs from 03:27 on Fri 17 Dec to 02:04 on Sat 18 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/ekadashi?on=2004-12-21", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7447, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-12-21T02:15:57-03:00", "utc": "2004-12-21T05:15:57Z", "ms": 1103606157438.6 }, "end": { "local": "2004-12-22T03:34:08-03:00", "utc": "2004-12-22T06:34:08Z", "ms": 1103697247695.875 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-21T02:15:57-03:00", "utc": "2004-12-21T05:15:57Z", "ms": 1103606157438.6 }, "end": { "local": "2004-12-22T03:34:08-03:00", "utc": "2004-12-22T06:34:08Z", "ms": 1103697247695.875 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-12-21", "window": { "start": { "local": "2004-12-21T05:37:45-03:00", "utc": "2004-12-21T08:37:45Z", "ms": 1103618264599.9246 }, "end": { "local": "2004-12-21T05:37:45-03:00", "utc": "2004-12-21T08:37:45Z", "ms": 1103618264599.9246 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-12-22", "window": { "start": { "local": "2004-12-22T05:38:15-03:00", "utc": "2004-12-22T08:38:15Z", "ms": 1103704694966.2778 }, "end": { "local": "2004-12-22T05:38:15-03:00", "utc": "2004-12-22T08:38:15Z", "ms": 1103704694966.2778 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:16 on Tue 21 Dec to 03:34 on Wed 22 Dec.", "fact": "2004-12-21T05:15:57Z → 2004-12-22T06:34:08Z" }, { "step": "kaala", "text": "Sunrise is at 05:38 on the 21st and 05:38 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 7447 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Buenos Aires, 2004: Tuesday 21 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": "2004-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mokṣadā Ekādaśī 2004 falls on Tuesday 21 December. Ekādaśī runs from 02:16 on Tue 21 Dec to 03:34 on Wed 22 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/ekadashi?on=2004-12-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25813, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-12-22T03:34:08-03:00", "utc": "2004-12-22T06:34:08Z", "ms": 1103697247695.875 }, "end": { "local": "2004-12-23T05:18:39-03:00", "utc": "2004-12-23T08:18:39Z", "ms": 1103789918909.036 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-22T03:34:08-03:00", "utc": "2004-12-22T06:34:08Z", "ms": 1103697247695.875 }, "end": { "local": "2004-12-23T05:18:39-03:00", "utc": "2004-12-23T08:18:39Z", "ms": 1103789918909.036 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-12-22", "window": { "start": { "local": "2004-12-22T12:28:23-03:00", "utc": "2004-12-22T15:28:23Z", "ms": 1103729302796.792 }, "end": { "local": "2004-12-22T13:16:23-03:00", "utc": "2004-12-22T16:16:23Z", "ms": 1103732182796.792 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-12-23", "window": { "start": { "local": "2004-12-23T12:28:52-03:00", "utc": "2004-12-23T15:28:52Z", "ms": 1103815732095.8276 }, "end": { "local": "2004-12-23T13:16:52-03:00", "utc": "2004-12-23T16:16:52Z", "ms": 1103818612095.8276 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:34 on Wed 22 Dec to 05:19 on Thu 23 Dec.", "fact": "2004-12-22T06:34:08Z → 2004-12-23T08:18:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 22nd, 12:29–13:17 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25813 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Buenos Aires, 2004: Wednesday 22 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": "2004-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-22", "confidence": "determinate" } ], "quote": "In Buenos Aires, Akhaṇḍa Dvādaśī 2004 falls on Wednesday 22 December. Dvādaśī runs from 03:34 on Wed 22 Dec to 05:19 on Thu 23 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/pradosha-vrata?on=2004-12-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28550, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-12-23T05:18:39-03:00", "utc": "2004-12-23T08:18:39Z", "ms": 1103789918909.036 }, "end": { "local": "2004-12-24T07:22:37-03:00", "utc": "2004-12-24T10:22:37Z", "ms": 1103883757157.0208 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-23T05:18:39-03:00", "utc": "2004-12-23T08:18:39Z", "ms": 1103789918909.036 }, "end": { "local": "2004-12-24T07:22:37-03:00", "utc": "2004-12-24T10:22:37Z", "ms": 1103883757157.0208 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-12-22", "window": { "start": { "local": "2004-12-22T20:06:31-03:00", "utc": "2004-12-22T23:06:31Z", "ms": 1103756790627.3064 }, "end": { "local": "2004-12-22T21:22:49-03:00", "utc": "2004-12-23T00:22:49Z", "ms": 1103761368806.22 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "2004-12-23", "window": { "start": { "local": "2004-12-23T20:06:57-03:00", "utc": "2004-12-23T23:06:57Z", "ms": 1103843217222.4976 }, "end": { "local": "2004-12-23T21:23:16-03:00", "utc": "2004-12-24T00:23:16Z", "ms": 1103847796336.1484 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:19 on Thu 23 Dec to 07:23 on Fri 24 Dec.", "fact": "2004-12-23T08:18:39Z → 2004-12-24T10:22:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:07–21:23 on the 22nd, 20:07–21:23 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 0 of 76 minutes on the 22nd and 76 of 76 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 28550 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2004: Thursday 23 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": "2004-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2004 falls on Thursday 23 December. Trayodaśī runs from 05:19 on Thu 23 Dec to 07:23 on Fri 24 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/pradosha-vrata?on=2004-12-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2004/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28907, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-12-25T09:40:06-03:00", "utc": "2004-12-25T12:40:06Z", "ms": 1103978406177.2812 }, "end": { "local": "2004-12-26T12:06:20-03:00", "utc": "2004-12-26T15:06:20Z", "ms": 1104073580095.381 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-25T09:40:06-03:00", "utc": "2004-12-25T12:40:06Z", "ms": 1103978406177.2812 }, "end": { "local": "2004-12-26T12:06:20-03:00", "utc": "2004-12-26T15:06:20Z", "ms": 1104073580095.381 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-12-25", "window": { "start": { "local": "2004-12-25T20:07:45-03:00", "utc": "2004-12-25T23:07:45Z", "ms": 1104016065294.531 }, "end": { "local": "2004-12-25T21:24:08-03:00", "utc": "2004-12-26T00:24:08Z", "ms": 1104020647582.5 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "2004-12-26", "window": { "start": { "local": "2004-12-26T20:08:07-03:00", "utc": "2004-12-26T23:08:07Z", "ms": 1104102486721.4866 }, "end": { "local": "2004-12-26T21:24:31-03:00", "utc": "2004-12-27T00:24:31Z", "ms": 1104107071245.947 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:40 on Sat 25 Dec to 12:06 on Sun 26 Dec.", "fact": "2004-12-25T12:40:06Z → 2004-12-26T15:06:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:08–21:24 on the 25th, 20:08–21:25 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 76 of 76 minutes on the 25th and 0 of 76 on the 26th.", "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 28907 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Buenos Aires, 2004: Saturday 25 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": "2004-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Dattātreyotpatti (Datta Jayanti) 2004 falls on Saturday 25 December. Pūrṇimā runs from 09:40 on Sat 25 Dec to 12:06 on Sun 26 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/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/2004/sankashta-chaturthi?on=2004-12-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2004, "local_date": "2004-12-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4459, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-12-29T19:37:40-03:00", "utc": "2004-12-29T22:37:40Z", "ms": 1104359860238.5745 }, "end": { "local": "2004-12-30T21:56:14-03:00", "utc": "2004-12-31T00:56:14Z", "ms": 1104454573538.583 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-29T19:37:40-03:00", "utc": "2004-12-29T22:37:40Z", "ms": 1104359860238.5745 }, "end": { "local": "2004-12-30T21:56:14-03:00", "utc": "2004-12-31T00:56:14Z", "ms": 1104454573538.583 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-12-29", "window": { "start": { "local": "2004-12-29T22:40:40-03:00", "utc": "2004-12-30T01:40:40Z", "ms": 1104370840314.064 }, "end": { "local": "2004-12-29T22:40:40-03:00", "utc": "2004-12-30T01:40:40Z", "ms": 1104370840314.064 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-12-30", "window": { "start": { "local": "2004-12-30T23:10:33-03:00", "utc": "2004-12-31T02:10:33Z", "ms": 1104459033000.579 }, "end": { "local": "2004-12-30T23:10:33-03:00", "utc": "2004-12-31T02:10:33Z", "ms": 1104459033000.579 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:38 on Wed 29 Dec to 21:56 on Thu 30 Dec.", "fact": "2004-12-29T22:37:40Z → 2004-12-31T00:56:14Z" }, { "step": "kaala", "text": "Moonrise is at 22:41 on the 29th and 23:11 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4459 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2004: Wednesday 29 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": "2004-12-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2004 falls on Wednesday 29 December. Caturthī runs from 19:38 on Wed 29 Dec to 21:56 on Thu 30 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2004/sankashta-chaturthi?on=2004-12-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }