{ "id": "/buenos-aires/festivals/2018", "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": 2018, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-01-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34132, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-01-04T13:01:58-03:00", "utc": "2018-01-04T16:01:58Z", "ms": 1515081718261.4683 }, "end": { "local": "2018-01-05T10:30:17-03:00", "utc": "2018-01-05T13:30:17Z", "ms": 1515159016720.1775 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-04T13:01:58-03:00", "utc": "2018-01-04T16:01:58Z", "ms": 1515081718261.4683 }, "end": { "local": "2018-01-05T10:30:17-03:00", "utc": "2018-01-05T13:30:17Z", "ms": 1515159016720.1775 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-01-04", "window": { "start": { "local": "2018-01-04T22:30:50-03:00", "utc": "2018-01-05T01:30:50Z", "ms": 1515115849968.3992 }, "end": { "local": "2018-01-04T22:30:50-03:00", "utc": "2018-01-05T01:30:50Z", "ms": 1515115849968.3992 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-01-05", "window": { "start": { "local": "2018-01-05T23:12:16-03:00", "utc": "2018-01-06T02:12:16Z", "ms": 1515204736307.7864 }, "end": { "local": "2018-01-05T23:12:16-03:00", "utc": "2018-01-06T02:12:16Z", "ms": 1515204736307.7864 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:02 on Thu 4 Jan to 10:30 on Fri 5 Jan.", "fact": "2018-01-04T16:01:58Z → 2018-01-05T13:30:17Z" }, { "step": "kaala", "text": "Moonrise is at 22:31 on the 4th and 23:12 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34132 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2018: Thursday 4 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": "2018-01-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2018 falls on Thursday 4 January. Caturthī runs from 13:02 on Thu 4 Jan to 10:30 on Fri 5 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-01-04", "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/2018/ekadashi?on=2018-01-12", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17270, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-01-11T10:40:53-03:00", "utc": "2018-01-11T13:40:53Z", "ms": 1515678053014.1506 }, "end": { "local": "2018-01-12T12:52:49-03:00", "utc": "2018-01-12T15:52:49Z", "ms": 1515772369369.072 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-11T10:40:53-03:00", "utc": "2018-01-11T13:40:53Z", "ms": 1515678053014.1506 }, "end": { "local": "2018-01-12T12:52:49-03:00", "utc": "2018-01-12T15:52:49Z", "ms": 1515772369369.072 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-01-11", "window": { "start": { "local": "2018-01-11T05:53:03-03:00", "utc": "2018-01-11T08:53:03Z", "ms": 1515660783373.703 }, "end": { "local": "2018-01-11T05:53:03-03:00", "utc": "2018-01-11T08:53:03Z", "ms": 1515660783373.703 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-01-12", "window": { "start": { "local": "2018-01-12T05:53:59-03:00", "utc": "2018-01-12T08:53:59Z", "ms": 1515747239292.7651 }, "end": { "local": "2018-01-12T05:53:59-03:00", "utc": "2018-01-12T08:53:59Z", "ms": 1515747239292.7651 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:41 on Thu 11 Jan to 12:53 on Fri 12 Jan.", "fact": "2018-01-11T13:40:53Z → 2018-01-12T15:52:49Z" }, { "step": "kaala", "text": "Sunrise is at 05:53 on the 11th and 05:54 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17270 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Buenos Aires, 2018: Friday 12 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": "2018-01-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ṣaṭtilā Ekādaśī 2018 falls on Friday 12 January. Ekādaśī runs from 10:41 on Thu 11 Jan to 12:53 on Fri 12 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-01-12", "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/2018/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32841, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T05:16:34-03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-12T18:18:13-03:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T05:16:34-03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T05:16:34-03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "sunset-day", "days": [ { "local_date": "2018-01-13", "window": { "start": { "local": "2018-01-12T20:09:25-03:00", "utc": "2018-01-12T23:09:25Z", "ms": 1515798565059.8884 }, "end": { "local": "2018-01-13T20:09:13-03:00", "utc": "2018-01-13T23:09:13Z", "ms": 1515884952933.2903 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-13T20:09:13-03:00", "utc": "2018-01-13T23:09:13Z", "ms": 1515884952933.2903 }, "end": { "local": "2018-01-14T20:08:59-03:00", "utc": "2018-01-14T23:08:59Z", "ms": 1515971338907.7458 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2018-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 05:17 on Sun 14 Jan.", "fact": "2018-01-14T08:16:34Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 20:09, and the day of the 14th 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 32841 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Sunday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Buenos Aires, 2018: Saturday 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": "2018-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2018-01-13", "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": "2018-01-12", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Buenos Aires, Bhogi 2018 falls on Saturday 13 January. It is kept the day before Pongal, which falls on Sunday 14 January. The Sun enters Makara at 05:17 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/pradosha-vrata?on=2018-01-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7673, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-01-13T15:22:23-03:00", "utc": "2018-01-13T18:22:23Z", "ms": 1515867742723.9802 }, "end": { "local": "2018-01-14T18:01:06-03:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-13T15:22:23-03:00", "utc": "2018-01-13T18:22:23Z", "ms": 1515867742723.9802 }, "end": { "local": "2018-01-14T18:01:06-03:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-01-13", "window": { "start": { "local": "2018-01-13T20:09:13-03:00", "utc": "2018-01-13T23:09:13Z", "ms": 1515884952933.2903 }, "end": { "local": "2018-01-13T21:27:26-03:00", "utc": "2018-01-14T00:27:26Z", "ms": 1515889646305.1255 } }, "covered_min": 78, "window_min": 78, "qualifies": true }, { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-14T20:08:59-03:00", "utc": "2018-01-14T23:08:59Z", "ms": 1515971338907.7458 }, "end": { "local": "2018-01-14T21:27:22-03:00", "utc": "2018-01-15T00:27:22Z", "ms": 1515976041870.5754 } }, "covered_min": 0, "window_min": 78, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:22 on Sat 13 Jan to 18:01 on Sun 14 Jan.", "fact": "2018-01-13T18:22:23Z → 2018-01-14T21:01:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:09–21:27 on the 13th, 20:09–21:27 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 78 of 78 minutes on the 13th and 0 of 78 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 7673 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2018: Saturday 13 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": "2018-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2018 falls on Saturday 13 January. Trayodaśī runs from 15:22 on Sat 13 Jan to 18:01 on Sun 14 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-01-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32841, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T05:16:34-03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-12T18:18:13-03:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T05:16:34-03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T05:16:34-03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "sunset-day", "days": [ { "local_date": "2018-01-13", "window": { "start": { "local": "2018-01-12T20:09:25-03:00", "utc": "2018-01-12T23:09:25Z", "ms": 1515798565059.8884 }, "end": { "local": "2018-01-13T20:09:13-03:00", "utc": "2018-01-13T23:09:13Z", "ms": 1515884952933.2903 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-13T20:09:13-03:00", "utc": "2018-01-13T23:09:13Z", "ms": 1515884952933.2903 }, "end": { "local": "2018-01-14T20:08:59-03:00", "utc": "2018-01-14T23:08:59Z", "ms": 1515971338907.7458 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 05:17 on Sun 14 Jan.", "fact": "2018-01-14T08:16:34Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 20:09, and the day of the 14th 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 32841 s" }, { "step": "ruling", "text": "Pongal, Buenos Aires, 2018: Sunday 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": "2018-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2018-01-14", "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": "2018-01-13", "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, Pongal 2018 falls on Sunday 14 January. The Sun enters Makara at 05:17 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18994, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T05:16:34-03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-12T18:18:13-03:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T05:16:34-03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T05:16:34-03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "civil-day", "days": [ { "local_date": "2018-01-13", "window": { "start": { "local": "2018-01-13T00:00:00-03:00", "utc": "2018-01-13T03:00:00Z", "ms": 1515812400000 }, "end": { "local": "2018-01-14T00:00:00-03:00", "utc": "2018-01-14T03:00:00Z", "ms": 1515898800000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-14T00:00:00-03:00", "utc": "2018-01-14T03:00:00Z", "ms": 1515898800000 }, "end": { "local": "2018-01-15T00:00:00-03:00", "utc": "2018-01-15T03:00:00Z", "ms": 1515985200000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 05:17 on Sun 14 Jan.", "fact": "2018-01-14T08:16:34Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Buenos Aires.", "fact": "civil-day: midnight-to-midnight · America/Argentina/Buenos_Aires" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 18994 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Buenos Aires, 2018: Sunday 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": "2018-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2018-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2018-01-14", "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 2018 falls on Sunday 14 January. The Sun enters Makara at 05:17 on Sun 14 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/shivaratri?on=2018-01-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14265, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-01-14T18:01:06-03:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-15T20:41:31-03:00", "utc": "2018-01-15T23:41:31Z", "ms": 1516059691175.3782 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-14T18:01:06-03:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-15T20:41:31-03:00", "utc": "2018-01-15T23:41:31Z", "ms": 1516059691175.3782 } }, "kaala": "nishita", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-15T00:38:55-03:00", "utc": "2018-01-15T03:38:55Z", "ms": 1515987535018.3564 }, "end": { "local": "2018-01-15T01:26:55-03:00", "utc": "2018-01-15T04:26:55Z", "ms": 1515990415018.3564 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-16T00:39:16-03:00", "utc": "2018-01-16T03:39:16Z", "ms": 1516073956292.8013 }, "end": { "local": "2018-01-16T01:27:16-03:00", "utc": "2018-01-16T04:27:16Z", "ms": 1516076836292.8013 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:01 on Sun 14 Jan to 20:42 on Mon 15 Jan.", "fact": "2018-01-14T21:01:06Z → 2018-01-15T23:41:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:39–01:27 on the 14th, 00:39–01:27 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14265 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2018: Sunday 14 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": "2018-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2018 falls on Sunday 14 January. Caturdaśī runs from 18:01 on Sun 14 Jan to 20:42 on Mon 15 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/shivaratri?on=2018-01-14", "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/2018/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32841, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T05:16:34-03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-12T18:18:13-03:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T05:16:34-03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T05:16:34-03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "sunset-day", "days": [ { "local_date": "2018-01-13", "window": { "start": { "local": "2018-01-12T20:09:25-03:00", "utc": "2018-01-12T23:09:25Z", "ms": 1515798565059.8884 }, "end": { "local": "2018-01-13T20:09:13-03:00", "utc": "2018-01-13T23:09:13Z", "ms": 1515884952933.2903 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-13T20:09:13-03:00", "utc": "2018-01-13T23:09:13Z", "ms": 1515884952933.2903 }, "end": { "local": "2018-01-14T20:08:59-03:00", "utc": "2018-01-14T23:08:59Z", "ms": 1515971338907.7458 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2018-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 05:17 on Sun 14 Jan.", "fact": "2018-01-14T08:16:34Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 20:09, and the day of the 14th 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 32841 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Sunday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Buenos Aires, 2018: Monday 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": "2018-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2018-01-15", "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": "2018-01-14", "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, Mattu Pongal 2018 falls on Monday 15 January. It is kept the day after Pongal, which falls on Sunday 14 January. The Sun enters Makara at 05:17 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28666, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-01-14T18:01:06-03:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-15T20:41:31-03:00", "utc": "2018-01-15T23:41:31Z", "ms": 1516059691175.3782 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-14T18:01:06-03:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-15T20:41:31-03:00", "utc": "2018-01-15T23:41:31Z", "ms": 1516059691175.3782 } }, "kaala": "arunodaya", "days": [ { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-15T04:38:28-03:00", "utc": "2018-01-15T07:38:28Z", "ms": 1516001908166.1375 }, "end": { "local": "2018-01-15T05:56:51-03:00", "utc": "2018-01-15T08:56:51Z", "ms": 1516006611128.967 } }, "covered_min": 78, "window_min": 78, "qualifies": true }, { "local_date": "2018-01-16", "window": { "start": { "local": "2018-01-16T04:39:17-03:00", "utc": "2018-01-16T07:39:17Z", "ms": 1516088356714.8926 }, "end": { "local": "2018-01-16T05:57:50-03:00", "utc": "2018-01-16T08:57:50Z", "ms": 1516093069595.653 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:01 on Sun 14 Jan to 20:42 on Mon 15 Jan.", "fact": "2018-01-14T21:01:06Z → 2018-01-15T23:41:31Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:38–05:57 on the 15th, 04:39–05:58 on the 16th.", "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 78 of 78 minutes on the 15th and 0 of 79 on the 16th.", "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 28666 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Buenos Aires, 2018: Monday 15 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": "2018-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Yama Tarpaṇa 2018 falls on Monday 15 January. Caturdaśī runs from 18:01 on Sun 14 Jan to 20:42 on Mon 15 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20218, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-01-20T05:41:08-03:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T07:03:40-03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-20T05:41:08-03:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T07:03:40-03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-20", "window": { "start": { "local": "2018-01-20T12:40:22-03:00", "utc": "2018-01-20T15:40:22Z", "ms": 1516462821700.852 }, "end": { "local": "2018-01-20T13:28:22-03:00", "utc": "2018-01-20T16:28:22Z", "ms": 1516465701700.852 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T12:40:38-03:00", "utc": "2018-01-21T15:40:38Z", "ms": 1516549238433.7344 }, "end": { "local": "2018-01-21T13:28:38-03:00", "utc": "2018-01-21T16:28:38Z", "ms": 1516552118433.7344 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:41 on Sat 20 Jan to 07:04 on Sun 21 Jan.", "fact": "2018-01-20T08:41:08Z → 2018-01-21T10:03:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 20th, 12:41–13:29 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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20218 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Buenos Aires, 2018: Saturday 20 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": "2018-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2018 falls on Saturday 20 January. Caturthī runs from 05:41 on Sat 20 Jan to 07:04 on Sun 21 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29671, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-01-20T05:41:08-03:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T07:03:40-03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-20T05:41:08-03:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T07:03:40-03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-01-19", "window": { "start": { "local": "2018-01-19T20:07:21-03:00", "utc": "2018-01-19T23:07:21Z", "ms": 1516403240576.2217 }, "end": { "local": "2018-01-19T21:26:36-03:00", "utc": "2018-01-20T00:26:36Z", "ms": 1516407996240.4177 } }, "covered_min": 0, "window_min": 79, "qualifies": false }, { "local_date": "2018-01-20", "window": { "start": { "local": "2018-01-20T20:06:55-03:00", "utc": "2018-01-20T23:06:55Z", "ms": 1516489615344.0132 }, "end": { "local": "2018-01-20T21:26:22-03:00", "utc": "2018-01-21T00:26:22Z", "ms": 1516494382442.0652 } }, "covered_min": 79, "window_min": 79, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:41 on Sat 20 Jan to 07:04 on Sun 21 Jan.", "fact": "2018-01-20T08:41:08Z → 2018-01-21T10:03:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:07–21:27 on the 19th, 20:07–21:26 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 79 minutes on the 19th and 79 of 79 on the 20th.", "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 29671 s" }, { "step": "ruling", "text": "Tila Caturthī, Buenos Aires, 2018: Saturday 20 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": "2018-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Tila Caturthī 2018 falls on Saturday 20 January. Caturthī runs from 05:41 on Sat 20 Jan to 07:04 on Sun 21 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17164, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-01-21T07:03:40-03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T07:54:51-03:00", "utc": "2018-01-22T10:54:51Z", "ms": 1516618490802.974 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-21T07:03:40-03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T07:54:51-03:00", "utc": "2018-01-22T10:54:51Z", "ms": 1516618490802.974 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T12:40:38-03:00", "utc": "2018-01-21T15:40:38Z", "ms": 1516549238433.7344 }, "end": { "local": "2018-01-21T13:28:38-03:00", "utc": "2018-01-21T16:28:38Z", "ms": 1516552118433.7344 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-22", "window": { "start": { "local": "2018-01-22T12:40:54-03:00", "utc": "2018-01-22T15:40:54Z", "ms": 1516635654397.859 }, "end": { "local": "2018-01-22T13:28:54-03:00", "utc": "2018-01-22T16:28:54Z", "ms": 1516638534397.859 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:04 on Sun 21 Jan to 07:55 on Mon 22 Jan.", "fact": "2018-01-21T10:03:40Z → 2018-01-22T10:54:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:41–13:29 on the 21st, 12:41–13:29 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17164 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Buenos Aires, 2018: Sunday 21 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": "2018-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śrī Pañcamī 2018 falls on Sunday 21 January. Pañcamī runs from 07:04 on Sun 21 Jan to 07:55 on Mon 22 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17164, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-01-21T07:03:40-03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T07:54:51-03:00", "utc": "2018-01-22T10:54:51Z", "ms": 1516618490802.974 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-21T07:03:40-03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T07:54:51-03:00", "utc": "2018-01-22T10:54:51Z", "ms": 1516618490802.974 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T12:40:38-03:00", "utc": "2018-01-21T15:40:38Z", "ms": 1516549238433.7344 }, "end": { "local": "2018-01-21T13:28:38-03:00", "utc": "2018-01-21T16:28:38Z", "ms": 1516552118433.7344 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-22", "window": { "start": { "local": "2018-01-22T12:40:54-03:00", "utc": "2018-01-22T15:40:54Z", "ms": 1516635654397.859 }, "end": { "local": "2018-01-22T13:28:54-03:00", "utc": "2018-01-22T16:28:54Z", "ms": 1516638534397.859 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:04 on Sun 21 Jan to 07:55 on Mon 22 Jan.", "fact": "2018-01-21T10:03:40Z → 2018-01-22T10:54:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:41–13:29 on the 21st, 12:41–13:29 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17164 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Buenos Aires, 2018: Sunday 21 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": "2018-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vasanta Pañcamī 2018 falls on Sunday 21 January. Pañcamī runs from 07:04 on Sun 21 Jan to 07:55 on Mon 22 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6067, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-01-23T08:10:17-03:00", "utc": "2018-01-23T11:10:17Z", "ms": 1516705816734.995 }, "end": { "local": "2018-01-24T07:46:58-03:00", "utc": "2018-01-24T10:46:58Z", "ms": 1516790818221.2603 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-23T08:10:17-03:00", "utc": "2018-01-23T11:10:17Z", "ms": 1516705816734.995 }, "end": { "local": "2018-01-24T07:46:58-03:00", "utc": "2018-01-24T10:46:58Z", "ms": 1516790818221.2603 } }, "kaala": "arunodaya", "days": [ { "local_date": "2018-01-23", "window": { "start": { "local": "2018-01-23T04:45:00-03:00", "utc": "2018-01-23T07:45:00Z", "ms": 1516693499592.7246 }, "end": { "local": "2018-01-23T06:04:50-03:00", "utc": "2018-01-23T09:04:50Z", "ms": 1516698290387.7607 } }, "covered_min": 0, "window_min": 80, "qualifies": false }, { "local_date": "2018-01-24", "window": { "start": { "local": "2018-01-24T04:45:49-03:00", "utc": "2018-01-24T07:45:49Z", "ms": 1516779948546.2798 }, "end": { "local": "2018-01-24T06:05:52-03:00", "utc": "2018-01-24T09:05:52Z", "ms": 1516784751588.3086 } }, "covered_min": 80, "window_min": 80, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:10 on Tue 23 Jan to 07:47 on Wed 24 Jan.", "fact": "2018-01-23T11:10:17Z → 2018-01-24T10:46:58Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:45–06:05 on the 23rd, 04:46–06:06 on the 24th.", "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 80 minutes on the 23rd and 80 of 80 on the 24th.", "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 6067 s" }, { "step": "ruling", "text": "Ratha Saptamī, Buenos Aires, 2018: Wednesday 24 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": "2018-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ratha Saptamī 2018 falls on Wednesday 24 January. Saptamī runs from 08:10 on Tue 23 Jan to 07:47 on Wed 24 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-01-27", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12239, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-01-27T02:44:57-03:00", "utc": "2018-01-27T05:44:57Z", "ms": 1517031897353.4683 }, "end": { "local": "2018-01-27T23:57:57-03:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-27T02:44:57-03:00", "utc": "2018-01-27T05:44:57Z", "ms": 1517031897353.4683 }, "end": { "local": "2018-01-27T23:57:57-03:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-01-27", "window": { "start": { "local": "2018-01-27T06:08:56-03:00", "utc": "2018-01-27T09:08:56Z", "ms": 1517044135898.5159 }, "end": { "local": "2018-01-27T06:08:56-03:00", "utc": "2018-01-27T09:08:56Z", "ms": 1517044135898.5159 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-01-28", "window": { "start": { "local": "2018-01-28T06:09:57-03:00", "utc": "2018-01-28T09:09:57Z", "ms": 1517130597451.7568 }, "end": { "local": "2018-01-28T06:09:57-03:00", "utc": "2018-01-28T09:09:57Z", "ms": 1517130597451.7568 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:45 on Sat 27 Jan to 23:58 on Sat 27 Jan.", "fact": "2018-01-27T05:44:57Z → 2018-01-28T02:57:57Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 27th and 06:10 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is 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 12239 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Buenos Aires, 2018: Saturday 27 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": "2018-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Jayā Ekādaśī 2018 falls on Saturday 27 January. Ekādaśī runs from 02:45 on Sat 27 Jan to 23:58 on Sat 27 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-01-27", "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/2018/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26268, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-01-27T23:57:57-03:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 }, "end": { "local": "2018-01-28T20:48:01-03:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-27T23:57:57-03:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 }, "end": { "local": "2018-01-28T20:48:01-03:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-27", "window": { "start": { "local": "2018-01-27T12:42:02-03:00", "utc": "2018-01-27T15:42:02Z", "ms": 1517067722303.6567 }, "end": { "local": "2018-01-27T13:30:02-03:00", "utc": "2018-01-27T16:30:02Z", "ms": 1517070602303.6567 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-01-28", "window": { "start": { "local": "2018-01-28T12:42:13-03:00", "utc": "2018-01-28T15:42:13Z", "ms": 1517154133452.9766 }, "end": { "local": "2018-01-28T13:30:13-03:00", "utc": "2018-01-28T16:30:13Z", "ms": 1517157013452.9766 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:58 on Sat 27 Jan to 20:48 on Sun 28 Jan.", "fact": "2018-01-28T02:57:57Z → 2018-01-28T23:48:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 27th, 12:42–13:30 on the 28th.", "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 27th and 48 of 48 on the 28th.", "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 26268 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Buenos Aires, 2018: Sunday 28 January.", "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": "2018-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Bhīṣma Dvādaśī 2018 falls on Sunday 28 January. Dvādaśī runs from 23:58 on Sat 27 Jan to 20:48 on Sun 28 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/pradosha-vrata?on=2018-01-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2136, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-01-28T20:48:01-03:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 }, "end": { "local": "2018-01-29T17:23:24-03:00", "utc": "2018-01-29T20:23:24Z", "ms": 1517257404271.044 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-28T20:48:01-03:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 }, "end": { "local": "2018-01-29T17:23:24-03:00", "utc": "2018-01-29T20:23:24Z", "ms": 1517257404271.044 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-01-28", "window": { "start": { "local": "2018-01-28T20:02:29-03:00", "utc": "2018-01-28T23:02:29Z", "ms": 1517180549454.196 }, "end": { "local": "2018-01-28T21:23:37-03:00", "utc": "2018-01-29T00:23:37Z", "ms": 1517185417394.9307 } }, "covered_min": 36, "window_min": 81, "qualifies": true }, { "local_date": "2018-01-29", "window": { "start": { "local": "2018-01-29T20:01:49-03:00", "utc": "2018-01-29T23:01:49Z", "ms": 1517266908561.362 }, "end": { "local": "2018-01-29T21:23:10-03:00", "utc": "2018-01-30T00:23:10Z", "ms": 1517271790159.098 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:48 on Sun 28 Jan to 17:23 on Mon 29 Jan.", "fact": "2018-01-28T23:48:01Z → 2018-01-29T20:23:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:02–21:24 on the 28th, 20:02–21:23 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 36 of 81 minutes on the 28th and 0 of 81 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 2136 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2018: Sunday 28 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": "2018-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2018 falls on Sunday 28 January. Trayodaśī runs from 20:48 on Sun 28 Jan to 17:23 on Mon 29 Jan and covers 36 of 81 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-01-28", "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/2018/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1355, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-01-30T13:53:08-03:00", "utc": "2018-01-30T16:53:08Z", "ms": 1517331187830.8684 }, "end": { "local": "2018-01-31T10:26:44-03:00", "utc": "2018-01-31T13:26:44Z", "ms": 1517405203735.9001 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-30T13:53:08-03:00", "utc": "2018-01-30T16:53:08Z", "ms": 1517331187830.8684 }, "end": { "local": "2018-01-31T10:26:44-03:00", "utc": "2018-01-31T13:26:44Z", "ms": 1517405203735.9001 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-30", "window": { "start": { "local": "2018-01-30T12:42:33-03:00", "utc": "2018-01-30T15:42:33Z", "ms": 1517326953302.981 }, "end": { "local": "2018-01-30T13:30:33-03:00", "utc": "2018-01-30T16:30:33Z", "ms": 1517329833302.981 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-01-31", "window": { "start": { "local": "2018-01-31T12:42:42-03:00", "utc": "2018-01-31T15:42:42Z", "ms": 1517413362008.7402 }, "end": { "local": "2018-01-31T13:30:42-03:00", "utc": "2018-01-31T16:30:42Z", "ms": 1517416242008.7402 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:53 on Tue 30 Jan to 10:27 on Wed 31 Jan.", "fact": "2018-01-30T16:53:08Z → 2018-01-31T13:26:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 30th, 12:43–13:31 on the 31st.", "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 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 1355 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Buenos Aires, 2018: Wednesday 31 January.", "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": "2018-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-30", "confidence": "determinate" } ], "quote": "In Buenos Aires, Māghī Pūrṇimā 2018 falls on Wednesday 31 January. Pūrṇimā runs from 13:53 on Tue 30 Jan to 10:27 on Wed 31 Jan, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/sankashta-chaturthi?on=2018-02-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7665, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-02-03T02:06:16-03:00", "utc": "2018-02-03T05:06:16Z", "ms": 1517634376094.376 }, "end": { "local": "2018-02-04T00:28:05-03:00", "utc": "2018-02-04T03:28:05Z", "ms": 1517714884979.523 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-03T02:06:16-03:00", "utc": "2018-02-03T05:06:16Z", "ms": 1517634376094.376 }, "end": { "local": "2018-02-04T00:28:05-03:00", "utc": "2018-02-04T03:28:05Z", "ms": 1517714884979.523 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-02-02", "window": { "start": { "local": "2018-02-02T21:43:26-03:00", "utc": "2018-02-03T00:43:26Z", "ms": 1517618605585.4236 }, "end": { "local": "2018-02-02T21:43:26-03:00", "utc": "2018-02-03T00:43:26Z", "ms": 1517618605585.4236 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-02-03", "window": { "start": { "local": "2018-02-03T22:20:20-03:00", "utc": "2018-02-04T01:20:20Z", "ms": 1517707220309.3074 }, "end": { "local": "2018-02-03T22:20:20-03:00", "utc": "2018-02-04T01:20:20Z", "ms": 1517707220309.3074 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:06 on Sat 3 Feb to 00:28 on Sun 4 Feb.", "fact": "2018-02-03T05:06:16Z → 2018-02-04T03:28:05Z" }, { "step": "kaala", "text": "Moonrise is at 21:43 on the 2nd and 22:20 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 7665 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2018: Saturday 3 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": "2018-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2018 falls on Saturday 3 February. Caturthī runs from 02:06 on Sat 3 Feb to 00:28 on Sun 4 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-02-03", "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/2018/ekadashi?on=2018-02-11", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 533, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-02-10T06:14:17-03:00", "utc": "2018-02-10T09:14:17Z", "ms": 1518254056706.8145 }, "end": { "local": "2018-02-11T08:54:32-03:00", "utc": "2018-02-11T11:54:32Z", "ms": 1518350072012.6855 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-10T06:14:17-03:00", "utc": "2018-02-10T09:14:17Z", "ms": 1518254056706.8145 }, "end": { "local": "2018-02-11T08:54:32-03:00", "utc": "2018-02-11T11:54:32Z", "ms": 1518350072012.6855 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-02-10", "window": { "start": { "local": "2018-02-10T06:23:10-03:00", "utc": "2018-02-10T09:23:10Z", "ms": 1518254589629.4702 }, "end": { "local": "2018-02-10T06:23:10-03:00", "utc": "2018-02-10T09:23:10Z", "ms": 1518254589629.4702 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-02-11", "window": { "start": { "local": "2018-02-11T06:24:09-03:00", "utc": "2018-02-11T09:24:09Z", "ms": 1518341049233.8843 }, "end": { "local": "2018-02-11T06:24:09-03:00", "utc": "2018-02-11T09:24:09Z", "ms": 1518341049233.8843 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:14 on Sat 10 Feb to 08:55 on Sun 11 Feb.", "fact": "2018-02-10T09:14:17Z → 2018-02-11T11:54:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 10th and 06:24 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 10th and is on the 11th.", "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 533 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Buenos Aires, 2018: Sunday 11 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": "2018-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vijayā Ekādaśī 2018 falls on Sunday 11 February. Ekādaśī runs from 06:14 on Sat 10 Feb to 08:55 on Sun 11 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-02-11", "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/2018/pradosha-vrata?on=2018-02-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20623, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-02-12T11:34:53-03:00", "utc": "2018-02-12T14:34:53Z", "ms": 1518446093438.286 }, "end": { "local": "2018-02-13T14:04:57-03:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-12T11:34:53-03:00", "utc": "2018-02-12T14:34:53Z", "ms": 1518446093438.286 }, "end": { "local": "2018-02-13T14:04:57-03:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-02-12", "window": { "start": { "local": "2018-02-12T19:49:42-03:00", "utc": "2018-02-12T22:49:42Z", "ms": 1518475781843.4126 }, "end": { "local": "2018-02-12T21:14:33-03:00", "utc": "2018-02-13T00:14:33Z", "ms": 1518480873275.1016 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2018-02-13", "window": { "start": { "local": "2018-02-13T19:48:40-03:00", "utc": "2018-02-13T22:48:40Z", "ms": 1518562120162.0522 }, "end": { "local": "2018-02-13T21:13:48-03:00", "utc": "2018-02-14T00:13:48Z", "ms": 1518567227646.2686 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:35 on Mon 12 Feb to 14:05 on Tue 13 Feb.", "fact": "2018-02-12T14:34:53Z → 2018-02-13T17:04:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:50–21:15 on the 12th, 19:49–21:14 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 85 of 85 minutes on the 12th and 0 of 85 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20623 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2018: Monday 12 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": "2018-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2018 falls on Monday 12 February. Trayodaśī runs from 11:35 on Mon 12 Feb to 14:05 on Tue 13 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-02-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30423, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-02-13T14:04:57-03:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 }, "end": { "local": "2018-02-14T16:16:48-03:00", "utc": "2018-02-14T19:16:48Z", "ms": 1518635808473.8533 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-13T14:04:57-03:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 }, "end": { "local": "2018-02-14T16:16:48-03:00", "utc": "2018-02-14T19:16:48Z", "ms": 1518635808473.8533 } }, "kaala": "nishita", "days": [ { "local_date": "2018-02-13", "window": { "start": { "local": "2018-02-14T00:43:53-03:00", "utc": "2018-02-14T03:43:53Z", "ms": 1518579833227.8638 }, "end": { "local": "2018-02-14T01:31:53-03:00", "utc": "2018-02-14T04:31:53Z", "ms": 1518582713227.8638 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-02-14", "window": { "start": { "local": "2018-02-15T00:43:51-03:00", "utc": "2018-02-15T03:43:51Z", "ms": 1518666231009.149 }, "end": { "local": "2018-02-15T01:31:51-03:00", "utc": "2018-02-15T04:31:51Z", "ms": 1518669111009.149 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:05 on Tue 13 Feb to 16:17 on Wed 14 Feb.", "fact": "2018-02-13T17:04:57Z → 2018-02-14T19:16:48Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:44–01:32 on the 13th, 00:44–01:32 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. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 30423 s" }, { "step": "ruling", "text": "Mahāśivarātri, Buenos Aires, 2018: Tuesday 13 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": "2018-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahāśivarātri 2018 falls on Tuesday 13 February. Caturdaśī runs from 14:05 on Tue 13 Feb to 16:17 on Wed 14 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vinayaka-chaturthi?on=2018-02-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26062, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-02-18T20:47:14-03:00", "utc": "2018-02-18T23:47:14Z", "ms": 1518997634456.6365 }, "end": { "local": "2018-02-19T20:45:23-03:00", "utc": "2018-02-19T23:45:23Z", "ms": 1519083923255.6016 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-18T20:47:14-03:00", "utc": "2018-02-18T23:47:14Z", "ms": 1518997634456.6365 }, "end": { "local": "2018-02-19T20:45:23-03:00", "utc": "2018-02-19T23:45:23Z", "ms": 1519083923255.6016 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-02-18", "window": { "start": { "local": "2018-02-18T12:43:06-03:00", "utc": "2018-02-18T15:43:06Z", "ms": 1518968586479.3406 }, "end": { "local": "2018-02-18T13:31:06-03:00", "utc": "2018-02-18T16:31:06Z", "ms": 1518971466479.3406 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-02-19", "window": { "start": { "local": "2018-02-19T12:43:01-03:00", "utc": "2018-02-19T15:43:01Z", "ms": 1519054980911.6187 }, "end": { "local": "2018-02-19T13:31:01-03:00", "utc": "2018-02-19T16:31:01Z", "ms": 1519057860911.6187 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:47 on Sun 18 Feb to 20:45 on Mon 19 Feb.", "fact": "2018-02-18T23:47:14Z → 2018-02-19T23:45:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 18th, 12:43–13:31 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 26062 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2018: Monday 19 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": "2018-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2018 falls on Monday 19 February. Caturthī runs from 20:47 on Sun 18 Feb to 20:45 on Mon 19 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/vinayaka-chaturthi?on=2018-02-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/ekadashi?on=2018-02-26", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8450, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-02-25T11:39:56-03:00", "utc": "2018-02-25T14:39:56Z", "ms": 1519569595588.5083 }, "end": { "local": "2018-02-26T08:59:13-03:00", "utc": "2018-02-26T11:59:13Z", "ms": 1519646352739.048 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-25T11:39:56-03:00", "utc": "2018-02-25T14:39:56Z", "ms": 1519569595588.5083 }, "end": { "local": "2018-02-26T08:59:13-03:00", "utc": "2018-02-26T11:59:13Z", "ms": 1519646352739.048 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-02-25", "window": { "start": { "local": "2018-02-25T06:37:28-03:00", "utc": "2018-02-25T09:37:28Z", "ms": 1519551448405.2983 }, "end": { "local": "2018-02-25T06:37:28-03:00", "utc": "2018-02-25T09:37:28Z", "ms": 1519551448405.2983 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-02-26", "window": { "start": { "local": "2018-02-26T06:38:23-03:00", "utc": "2018-02-26T09:38:23Z", "ms": 1519637902643.8406 }, "end": { "local": "2018-02-26T06:38:23-03:00", "utc": "2018-02-26T09:38:23Z", "ms": 1519637902643.8406 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:40 on Sun 25 Feb to 08:59 on Mon 26 Feb.", "fact": "2018-02-25T14:39:56Z → 2018-02-26T11:59:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 25th and 06:38 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 8450 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Buenos Aires, 2018: Monday 26 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": "2018-02-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Āmalakī Ekādaśī 2018 falls on Monday 26 February. Ekādaśī runs from 11:40 on Sun 25 Feb to 08:59 on Mon 26 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-02-26", "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/2018/pradosha-vrata?on=2018-02-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22488, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-02-27T06:09:14-03:00", "utc": "2018-02-27T09:09:14Z", "ms": 1519722554032.3486 }, "end": { "local": "2018-02-28T03:16:19-03:00", "utc": "2018-02-28T06:16:19Z", "ms": 1519798579179.2974 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-27T06:09:14-03:00", "utc": "2018-02-27T09:09:14Z", "ms": 1519722554032.3486 }, "end": { "local": "2018-02-28T03:16:19-03:00", "utc": "2018-02-28T06:16:19Z", "ms": 1519798579179.2974 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-02-26", "window": { "start": { "local": "2018-02-26T19:33:45-03:00", "utc": "2018-02-26T22:33:45Z", "ms": 1519684425024.9666 }, "end": { "local": "2018-02-26T21:02:29-03:00", "utc": "2018-02-27T00:02:29Z", "ms": 1519689749221.057 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "2018-02-27", "window": { "start": { "local": "2018-02-27T19:32:30-03:00", "utc": "2018-02-27T22:32:30Z", "ms": 1519770750067.5496 }, "end": { "local": "2018-02-27T21:01:31-03:00", "utc": "2018-02-28T00:01:31Z", "ms": 1519776091387.601 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:09 on Tue 27 Feb to 03:16 on Wed 28 Feb.", "fact": "2018-02-27T09:09:14Z → 2018-02-28T06:16:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:34–21:02 on the 26th, 19:33–21:02 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 89 minutes on the 26th and 89 of 89 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 22488 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2018: Tuesday 27 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": "2018-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2018 falls on Tuesday 27 February. Trayodaśī runs from 06:09 on Tue 27 Feb to 03:16 on Wed 28 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8482, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-03-01T00:27:42-03:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-01T21:51:20-03:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-03-01T00:27:42-03:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-01T21:51:20-03:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-02-28", "window": { "start": { "local": "2018-02-28T16:57:02-03:00", "utc": "2018-02-28T19:57:02Z", "ms": 1519847821517.408 }, "end": { "local": "2018-02-28T19:31:14-03:00", "utc": "2018-02-28T22:31:14Z", "ms": 1519857074404.7761 } }, "covered_min": 0, "window_min": 154, "qualifies": false }, { "local_date": "2018-03-01", "window": { "start": { "local": "2018-03-01T16:56:11-03:00", "utc": "2018-03-01T19:56:11Z", "ms": 1519934171071.414 }, "end": { "local": "2018-03-01T19:29:58-03:00", "utc": "2018-03-01T22:29:58Z", "ms": 1519943398071.7737 } }, "covered_min": 154, "window_min": 154, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:28 on Thu 1 Mar to 21:51 on Thu 1 Mar.", "fact": "2018-03-01T03:27:42Z → 2018-03-02T00:51:20Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:57–19:31 on the 28th, 16:56–19:30 on the 1st.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 154 minutes on the 28th and 154 of 154 on the 1st.", "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 8482 s" }, { "step": "ruling", "text": "Holikā Dahana, Buenos Aires, 2018: Thursday 1 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": "2018-03-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Holikā Dahana 2018 falls on Thursday 1 March. Pūrṇimā runs from 00:28 on Thu 1 Mar to 21:51 on Thu 1 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8482, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-03-01T00:27:42-03:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-01T21:51:20-03:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-03-01T00:27:42-03:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-01T21:51:20-03:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-02-28", "window": { "start": { "local": "2018-02-28T16:57:02-03:00", "utc": "2018-02-28T19:57:02Z", "ms": 1519847821517.408 }, "end": { "local": "2018-02-28T19:31:14-03:00", "utc": "2018-02-28T22:31:14Z", "ms": 1519857074404.7761 } }, "covered_min": 0, "window_min": 154, "qualifies": false }, { "local_date": "2018-03-01", "window": { "start": { "local": "2018-03-01T16:56:11-03:00", "utc": "2018-03-01T19:56:11Z", "ms": 1519934171071.414 }, "end": { "local": "2018-03-01T19:29:58-03:00", "utc": "2018-03-01T22:29:58Z", "ms": 1519943398071.7737 } }, "covered_min": 154, "window_min": 154, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2018-03-01", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:28 on Thu 1 Mar to 21:51 on Thu 1 Mar.", "fact": "2018-03-01T03:27:42Z → 2018-03-02T00:51:20Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:57–19:31 on the 28th, 16:56–19:30 on the 1st.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 154 minutes on the 28th and 154 of 154 on the 1st.", "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 8482 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Thursday 1 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Buenos Aires, 2018: Friday 2 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": "2018-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Holī 2018 falls on Friday 2 March. It is kept the day after Holikā Dahana, which falls on Thursday 1 March. Pūrṇimā runs from 00:28 on Thu 1 Mar to 21:51 on Thu 1 Mar and covers all of sāyāhna on the 1st.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31836, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-03-01T21:51:20-03:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 }, "end": { "local": "2018-03-02T19:35:31-03:00", "utc": "2018-03-02T22:35:31Z", "ms": 1520030131395.1226 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-01T21:51:20-03:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 }, "end": { "local": "2018-03-02T19:35:31-03:00", "utc": "2018-03-02T22:35:31Z", "ms": 1520030131395.1226 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-03-02", "window": { "start": { "local": "2018-03-02T06:41:56-03:00", "utc": "2018-03-02T09:41:56Z", "ms": 1519983715812.5862 }, "end": { "local": "2018-03-02T06:41:56-03:00", "utc": "2018-03-02T09:41:56Z", "ms": 1519983715812.5862 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-03-03", "window": { "start": { "local": "2018-03-03T06:42:48-03:00", "utc": "2018-03-03T09:42:48Z", "ms": 1520070168207.489 }, "end": { "local": "2018-03-03T06:42:48-03:00", "utc": "2018-03-03T09:42:48Z", "ms": 1520070168207.489 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 21:51 on Thu 1 Mar to 19:36 on Fri 2 Mar.", "fact": "2018-03-02T00:51:20Z → 2018-03-02T22:35:31Z" }, { "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": "Pratipadā 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: purvaviddha → only-day · margin 31836 s" }, { "step": "ruling", "text": "Vasantotsava, Buenos Aires, 2018: Friday 2 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": "2018-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vasantotsava 2018 falls on Friday 2 March. Pratipadā runs from 21:51 on Thu 1 Mar to 19:36 on Fri 2 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/sankashta-chaturthi?on=2018-03-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17189, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-03-04T16:37:56-03:00", "utc": "2018-03-04T19:37:56Z", "ms": 1520192276265.9006 }, "end": { "local": "2018-03-05T16:09:45-03:00", "utc": "2018-03-05T19:09:45Z", "ms": 1520276985167.4338 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-04T16:37:56-03:00", "utc": "2018-03-04T19:37:56Z", "ms": 1520192276265.9006 }, "end": { "local": "2018-03-05T16:09:45-03:00", "utc": "2018-03-05T19:09:45Z", "ms": 1520276985167.4338 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-03-04", "window": { "start": { "local": "2018-03-04T21:24:25-03:00", "utc": "2018-03-05T00:24:25Z", "ms": 1520209464951.7678 }, "end": { "local": "2018-03-04T21:24:25-03:00", "utc": "2018-03-05T00:24:25Z", "ms": 1520209464951.7678 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-03-05", "window": { "start": { "local": "2018-03-05T21:59:12-03:00", "utc": "2018-03-06T00:59:12Z", "ms": 1520297951812.8403 }, "end": { "local": "2018-03-05T21:59:12-03:00", "utc": "2018-03-06T00:59:12Z", "ms": 1520297951812.8403 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:38 on Sun 4 Mar to 16:10 on Mon 5 Mar.", "fact": "2018-03-04T19:37:56Z → 2018-03-05T19:09:45Z" }, { "step": "kaala", "text": "Moonrise is at 21:24 on the 4th and 21:59 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17189 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2018: Sunday 4 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": "2018-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2018 falls on Sunday 4 March. Caturthī runs from 16:38 on Sun 4 Mar to 16:10 on Mon 5 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-03-04", "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/2018/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20825, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-03-08T19:15:01-03:00", "utc": "2018-03-08T22:15:01Z", "ms": 1520547301334.054 }, "end": { "local": "2018-03-09T21:30:59-03:00", "utc": "2018-03-10T00:30:59Z", "ms": 1520641859012.4749 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-08T19:15:01-03:00", "utc": "2018-03-08T22:15:01Z", "ms": 1520547301334.054 }, "end": { "local": "2018-03-09T21:30:59-03:00", "utc": "2018-03-10T00:30:59Z", "ms": 1520641859012.4749 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-08", "window": { "start": { "local": "2018-03-08T12:39:57-03:00", "utc": "2018-03-08T15:39:57Z", "ms": 1520523596603.1277 }, "end": { "local": "2018-03-08T13:27:57-03:00", "utc": "2018-03-08T16:27:57Z", "ms": 1520526476603.1277 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-09", "window": { "start": { "local": "2018-03-09T12:39:42-03:00", "utc": "2018-03-09T15:39:42Z", "ms": 1520609981630.9497 }, "end": { "local": "2018-03-09T13:27:42-03:00", "utc": "2018-03-09T16:27:42Z", "ms": 1520612861630.9497 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:15 on Thu 8 Mar to 21:31 on Fri 9 Mar.", "fact": "2018-03-08T22:15:01Z → 2018-03-10T00:30:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 8th, 12:40–13:28 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20825 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Buenos Aires, 2018: Friday 9 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": "2018-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śītalāṣṭamī 2018 falls on Friday 9 March. Aṣṭamī runs from 19:15 on Thu 8 Mar to 21:31 on Fri 9 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-03-12", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5997, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-03-12T02:43:52-03:00", "utc": "2018-03-12T05:43:52Z", "ms": 1520833432205.4226 }, "end": { "local": "2018-03-13T05:11:19-03:00", "utc": "2018-03-13T08:11:19Z", "ms": 1520928678778.7065 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-12T02:43:52-03:00", "utc": "2018-03-12T05:43:52Z", "ms": 1520833432205.4226 }, "end": { "local": "2018-03-13T05:11:19-03:00", "utc": "2018-03-13T08:11:19Z", "ms": 1520928678778.7065 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-03-12", "window": { "start": { "local": "2018-03-12T06:50:26-03:00", "utc": "2018-03-12T09:50:26Z", "ms": 1520848225915.155 }, "end": { "local": "2018-03-12T06:50:26-03:00", "utc": "2018-03-12T09:50:26Z", "ms": 1520848225915.155 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-03-13", "window": { "start": { "local": "2018-03-13T06:51:15-03:00", "utc": "2018-03-13T09:51:15Z", "ms": 1520934675406.796 }, "end": { "local": "2018-03-13T06:51:15-03:00", "utc": "2018-03-13T09:51:15Z", "ms": 1520934675406.796 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:44 on Mon 12 Mar to 05:11 on Tue 13 Mar.", "fact": "2018-03-12T05:43:52Z → 2018-03-13T08:11:19Z" }, { "step": "kaala", "text": "Sunrise is at 06:50 on the 12th and 06:51 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 5997 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Buenos Aires, 2018: Monday 12 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": "2018-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Pāpamocanī Ekādaśī 2018 falls on Monday 12 March. Ekādaśī runs from 02:44 on Mon 12 Mar to 05:11 on Tue 13 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-03-12", "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/2018/pradosha-vrata?on=2018-03-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37303, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-03-14T07:15:56-03:00", "utc": "2018-03-14T10:15:56Z", "ms": 1521022555743.3228 }, "end": { "local": "2018-03-15T08:49:34-03:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-14T07:15:56-03:00", "utc": "2018-03-14T10:15:56Z", "ms": 1521022555743.3228 }, "end": { "local": "2018-03-15T08:49:34-03:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-03-14", "window": { "start": { "local": "2018-03-14T19:12:40-03:00", "utc": "2018-03-14T22:12:40Z", "ms": 1521065559855.4792 }, "end": { "local": "2018-03-14T20:46:02-03:00", "utc": "2018-03-14T23:46:02Z", "ms": 1521071161697.9788 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2018-03-15", "window": { "start": { "local": "2018-03-15T19:11:18-03:00", "utc": "2018-03-15T22:11:18Z", "ms": 1521151877542.1975 }, "end": { "local": "2018-03-15T20:44:57-03:00", "utc": "2018-03-15T23:44:57Z", "ms": 1521157496865.2117 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:16 on Wed 14 Mar to 08:50 on Thu 15 Mar.", "fact": "2018-03-14T10:15:56Z → 2018-03-15T11:49:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:46 on the 14th, 19:11–20:45 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 93 of 93 minutes on the 14th and 0 of 94 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 37303 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2018: Wednesday 14 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2018 falls on Wednesday 14 March. Trayodaśī runs from 07:16 on Wed 14 Mar to 08:50 on Thu 15 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-03-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/shivaratri?on=2018-03-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26568, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-03-15T08:49:34-03:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 }, "end": { "local": "2018-03-16T09:48:14-03:00", "utc": "2018-03-16T12:48:14Z", "ms": 1521204494383.6106 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-15T08:49:34-03:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 }, "end": { "local": "2018-03-16T09:48:14-03:00", "utc": "2018-03-16T12:48:14Z", "ms": 1521204494383.6106 } }, "kaala": "nishita", "days": [ { "local_date": "2018-03-14", "window": { "start": { "local": "2018-03-15T00:38:47-03:00", "utc": "2018-03-15T03:38:47Z", "ms": 1521085126764.8525 }, "end": { "local": "2018-03-15T01:26:47-03:00", "utc": "2018-03-15T04:26:47Z", "ms": 1521088006764.8525 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-15", "window": { "start": { "local": "2018-03-16T00:38:30-03:00", "utc": "2018-03-16T03:38:30Z", "ms": 1521171510003.5005 }, "end": { "local": "2018-03-16T01:26:30-03:00", "utc": "2018-03-16T04:26:30Z", "ms": 1521174390003.5005 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:50 on Thu 15 Mar to 09:48 on Fri 16 Mar.", "fact": "2018-03-15T11:49:34Z → 2018-03-16T12:48:14Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:39–01:27 on the 14th, 00:39–01:27 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 26568 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2018: Thursday 15 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": "2018-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2018 falls on Thursday 15 March. Caturdaśī runs from 08:50 on Thu 15 Mar to 09:48 on Fri 16 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/shivaratri?on=2018-03-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8758, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-03-17T10:11:34-03:00", "utc": "2018-03-17T13:11:34Z", "ms": 1521292293885.157 }, "end": { "local": "2018-03-18T10:01:54-03:00", "utc": "2018-03-18T13:01:54Z", "ms": 1521378114379.9058 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-17T10:11:34-03:00", "utc": "2018-03-17T13:11:34Z", "ms": 1521292293885.157 }, "end": { "local": "2018-03-18T10:01:54-03:00", "utc": "2018-03-18T13:01:54Z", "ms": 1521378114379.9058 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-17", "window": { "start": { "local": "2018-03-17T12:37:32-03:00", "utc": "2018-03-17T15:37:32Z", "ms": 1521301051679.6848 }, "end": { "local": "2018-03-17T13:25:32-03:00", "utc": "2018-03-17T16:25:32Z", "ms": 1521303931679.6848 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-18", "window": { "start": { "local": "2018-03-18T12:37:14-03:00", "utc": "2018-03-18T15:37:14Z", "ms": 1521387434433.088 }, "end": { "local": "2018-03-18T13:25:14-03:00", "utc": "2018-03-18T16:25:14Z", "ms": 1521390314433.088 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:12 on Sat 17 Mar to 10:02 on Sun 18 Mar.", "fact": "2018-03-17T13:11:34Z → 2018-03-18T13:01:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:38–13:26 on the 17th, 12:37–13:25 on the 18th.", "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 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8758 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Buenos Aires, 2018: Saturday 17 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": "2018-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Navarātrārambha (Caitra) (Chaitra Navratri) 2018 falls on Saturday 17 March. Pratipadā runs from 10:12 on Sat 17 Mar to 10:02 on Sun 18 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11618, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-03-19T09:23:19-03:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T08:20:36-03:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-19T09:23:19-03:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T08:20:36-03:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-19", "window": { "start": { "local": "2018-03-19T12:36:57-03:00", "utc": "2018-03-19T15:36:57Z", "ms": 1521473817020.3923 }, "end": { "local": "2018-03-19T13:24:57-03:00", "utc": "2018-03-19T16:24:57Z", "ms": 1521476697020.3923 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-20", "window": { "start": { "local": "2018-03-20T12:36:39-03:00", "utc": "2018-03-20T15:36:39Z", "ms": 1521560199458.1714 }, "end": { "local": "2018-03-20T13:24:39-03:00", "utc": "2018-03-20T16:24:39Z", "ms": 1521563079458.1714 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:23 on Mon 19 Mar to 08:21 on Tue 20 Mar.", "fact": "2018-03-19T12:23:19Z → 2018-03-20T11:20:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 19th, 12:37–13:25 on the 20th.", "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 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11618 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Buenos Aires, 2018: Monday 19 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": "2018-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gaurī Tṛtīyā (Gangaur) 2018 falls on Monday 19 March. Tṛtīyā runs from 09:23 on Mon 19 Mar to 08:21 on Tue 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11618, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-03-19T09:23:19-03:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T08:20:36-03:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-19T09:23:19-03:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T08:20:36-03:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-19", "window": { "start": { "local": "2018-03-19T12:36:57-03:00", "utc": "2018-03-19T15:36:57Z", "ms": 1521473817020.3923 }, "end": { "local": "2018-03-19T13:24:57-03:00", "utc": "2018-03-19T16:24:57Z", "ms": 1521476697020.3923 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-20", "window": { "start": { "local": "2018-03-20T12:36:39-03:00", "utc": "2018-03-20T15:36:39Z", "ms": 1521560199458.1714 }, "end": { "local": "2018-03-20T13:24:39-03:00", "utc": "2018-03-20T16:24:39Z", "ms": 1521563079458.1714 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:23 on Mon 19 Mar to 08:21 on Tue 20 Mar.", "fact": "2018-03-19T12:23:19Z → 2018-03-20T11:20:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 19th, 12:37–13:25 on the 20th.", "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 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11618 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Buenos Aires, 2018: Monday 19 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": "2018-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saubhāgya Śayana Vrata 2018 falls on Monday 19 March. Tṛtīyā runs from 09:23 on Mon 19 Mar to 08:21 on Tue 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vinayaka-chaturthi?on=2018-03-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15364, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-03-20T08:20:36-03:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 }, "end": { "local": "2018-03-21T06:58:35-03:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-20T08:20:36-03:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 }, "end": { "local": "2018-03-21T06:58:35-03:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-20", "window": { "start": { "local": "2018-03-20T12:36:39-03:00", "utc": "2018-03-20T15:36:39Z", "ms": 1521560199458.1714 }, "end": { "local": "2018-03-20T13:24:39-03:00", "utc": "2018-03-20T16:24:39Z", "ms": 1521563079458.1714 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-21", "window": { "start": { "local": "2018-03-21T12:36:22-03:00", "utc": "2018-03-21T15:36:22Z", "ms": 1521646581763.2217 }, "end": { "local": "2018-03-21T13:24:22-03:00", "utc": "2018-03-21T16:24:22Z", "ms": 1521649461763.2217 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:21 on Tue 20 Mar to 06:59 on Wed 21 Mar.", "fact": "2018-03-20T11:20:36Z → 2018-03-21T09:58:35Z" }, { "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": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15364 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2018: Tuesday 20 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": "2018-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2018 falls on Tuesday 20 March. Caturthī runs from 08:21 on Tue 20 Mar to 06:59 on Wed 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/vinayaka-chaturthi?on=2018-03-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20267, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-03-21T06:58:35-03:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 }, "end": { "local": "2018-03-22T05:21:36-03:00", "utc": "2018-03-22T08:21:36Z", "ms": 1521706896378.8286 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-21T06:58:35-03:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 }, "end": { "local": "2018-03-22T05:21:36-03:00", "utc": "2018-03-22T08:21:36Z", "ms": 1521706896378.8286 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-21", "window": { "start": { "local": "2018-03-21T12:36:22-03:00", "utc": "2018-03-21T15:36:22Z", "ms": 1521646581763.2217 }, "end": { "local": "2018-03-21T13:24:22-03:00", "utc": "2018-03-21T16:24:22Z", "ms": 1521649461763.2217 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-22", "window": { "start": { "local": "2018-03-22T12:36:04-03:00", "utc": "2018-03-22T15:36:04Z", "ms": 1521732963952.7734 }, "end": { "local": "2018-03-22T13:24:04-03:00", "utc": "2018-03-22T16:24:04Z", "ms": 1521735843952.7734 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 06:59 on Wed 21 Mar to 05:22 on Thu 22 Mar.", "fact": "2018-03-21T09:58:35Z → 2018-03-22T08:21:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 21st, 12:36–13:24 on the 22nd.", "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 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 20267 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Buenos Aires, 2018: Wednesday 21 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": "2018-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Lakṣmī Pañcamī 2018 falls on Wednesday 21 March. Pañcamī runs from 06:59 on Wed 21 Mar to 05:22 on Thu 22 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36554, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-03-24T01:36:14-03:00", "utc": "2018-03-24T04:36:14Z", "ms": 1521866174113.8967 }, "end": { "local": "2018-03-24T23:32:42-03:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-24T01:36:14-03:00", "utc": "2018-03-24T04:36:14Z", "ms": 1521866174113.8967 }, "end": { "local": "2018-03-24T23:32:42-03:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-23", "window": { "start": { "local": "2018-03-23T12:35:46-03:00", "utc": "2018-03-23T15:35:46Z", "ms": 1521819346044.689 }, "end": { "local": "2018-03-23T13:23:46-03:00", "utc": "2018-03-23T16:23:46Z", "ms": 1521822226044.689 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-24", "window": { "start": { "local": "2018-03-24T12:35:28-03:00", "utc": "2018-03-24T15:35:28Z", "ms": 1521905728057.6272 }, "end": { "local": "2018-03-24T13:23:28-03:00", "utc": "2018-03-24T16:23:28Z", "ms": 1521908608057.6272 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:36 on Sat 24 Mar to 23:33 on Sat 24 Mar.", "fact": "2018-03-24T04:36:14Z → 2018-03-25T02:32:42Z" }, { "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": "Aṣṭamī 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: paraviddha → only-day · margin 36554 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Buenos Aires, 2018: Saturday 24 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": "2018-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Bhavānī Utpatti 2018 falls on Saturday 24 March. Aṣṭamī runs from 01:36 on Sat 24 Mar to 23:33 on Sat 24 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28876, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-03-24T23:32:42-03:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 }, "end": { "local": "2018-03-25T21:24:26-03:00", "utc": "2018-03-26T00:24:26Z", "ms": 1522023865953.7659 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-24T23:32:42-03:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 }, "end": { "local": "2018-03-25T21:24:26-03:00", "utc": "2018-03-26T00:24:26Z", "ms": 1522023865953.7659 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-24", "window": { "start": { "local": "2018-03-24T12:35:28-03:00", "utc": "2018-03-24T15:35:28Z", "ms": 1521905728057.6272 }, "end": { "local": "2018-03-24T13:23:28-03:00", "utc": "2018-03-24T16:23:28Z", "ms": 1521908608057.6272 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-25", "window": { "start": { "local": "2018-03-25T12:35:10-03:00", "utc": "2018-03-25T15:35:10Z", "ms": 1521992110011.169 }, "end": { "local": "2018-03-25T13:23:10-03:00", "utc": "2018-03-25T16:23:10Z", "ms": 1521994990011.169 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 23:33 on Sat 24 Mar to 21:24 on Sun 25 Mar.", "fact": "2018-03-25T02:32:42Z → 2018-03-26T00:24:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 24th, 12:35–13:23 on the 25th.", "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 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28876 s" }, { "step": "ruling", "text": "Rāma Navamī, Buenos Aires, 2018: Sunday 25 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": "2018-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rāma Navamī 2018 falls on Sunday 25 March. Navamī runs from 23:33 on Sat 24 Mar to 21:24 on Sun 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-03-27", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35972, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-03-26T19:13:22-03:00", "utc": "2018-03-26T22:13:22Z", "ms": 1522102401600.8262 }, "end": { "local": "2018-03-27T17:01:58-03:00", "utc": "2018-03-27T20:01:58Z", "ms": 1522180917921.2026 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-26T19:13:22-03:00", "utc": "2018-03-26T22:13:22Z", "ms": 1522102401600.8262 }, "end": { "local": "2018-03-27T17:01:58-03:00", "utc": "2018-03-27T20:01:58Z", "ms": 1522180917921.2026 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-03-26", "window": { "start": { "local": "2018-03-26T07:01:40-03:00", "utc": "2018-03-26T10:01:40Z", "ms": 1522058499509.2146 }, "end": { "local": "2018-03-26T07:01:40-03:00", "utc": "2018-03-26T10:01:40Z", "ms": 1522058499509.2146 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-03-27", "window": { "start": { "local": "2018-03-27T07:02:26-03:00", "utc": "2018-03-27T10:02:26Z", "ms": 1522144946308.7207 }, "end": { "local": "2018-03-27T07:02:26-03:00", "utc": "2018-03-27T10:02:26Z", "ms": 1522144946308.7207 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:13 on Mon 26 Mar to 17:02 on Tue 27 Mar.", "fact": "2018-03-26T22:13:22Z → 2018-03-27T20:01:58Z" }, { "step": "kaala", "text": "Sunrise is at 07:02 on the 26th and 07:02 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35972 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Buenos Aires, 2018: Tuesday 27 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": "2018-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kāmadā Ekādaśī 2018 falls on Tuesday 27 March. Ekādaśī runs from 19:13 on Mon 26 Mar to 17:02 on Tue 27 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-03-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/pradosha-vrata?on=2018-03-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14380, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-03-28T14:53:38-03:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T12:52:50-03:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-28T14:53:38-03:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T12:52:50-03:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-03-28", "window": { "start": { "local": "2018-03-28T18:53:18-03:00", "utc": "2018-03-28T21:53:18Z", "ms": 1522273998464.5874 }, "end": { "local": "2018-03-28T20:30:44-03:00", "utc": "2018-03-28T23:30:44Z", "ms": 1522279843944.0269 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2018-03-29", "window": { "start": { "local": "2018-03-29T18:51:56-03:00", "utc": "2018-03-29T21:51:56Z", "ms": 1522360315754.0247 }, "end": { "local": "2018-03-29T20:29:38-03:00", "utc": "2018-03-29T23:29:38Z", "ms": 1522366178459.2244 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:54 on Wed 28 Mar to 12:53 on Thu 29 Mar.", "fact": "2018-03-28T17:53:38Z → 2018-03-29T15:52:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:31 on the 28th, 18:52–20:30 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 28th and 0 of 98 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 14380 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2018: Wednesday 28 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": "2018-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2018 falls on Wednesday 28 March. Trayodaśī runs from 14:54 on Wed 28 Mar to 12:53 on Thu 29 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-03-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1132, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-03-28T14:53:38-03:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T12:52:50-03:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-28T14:53:38-03:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T12:52:50-03:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-28", "window": { "start": { "local": "2018-03-28T12:34:16-03:00", "utc": "2018-03-28T15:34:16Z", "ms": 1522251255726.0486 }, "end": { "local": "2018-03-28T13:22:16-03:00", "utc": "2018-03-28T16:22:16Z", "ms": 1522254135726.0486 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-29", "window": { "start": { "local": "2018-03-29T12:33:58-03:00", "utc": "2018-03-29T15:33:58Z", "ms": 1522337637657.2043 }, "end": { "local": "2018-03-29T13:21:58-03:00", "utc": "2018-03-29T16:21:58Z", "ms": 1522340517657.2043 } }, "covered_min": 19, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:54 on Wed 28 Mar to 12:53 on Thu 29 Mar.", "fact": "2018-03-28T17:53:38Z → 2018-03-29T15:52:50Z" }, { "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": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 19 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: purvaviddha → only-day · margin 1132 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Buenos Aires, 2018: Thursday 29 March.", "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": "2018-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Anaṅga Trayodaśī 2018 falls on Thursday 29 March. Trayodaśī runs from 14:54 on Wed 28 Mar to 12:53 on Thu 29 Mar and covers 19 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1132, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-03-29T12:52:50-03:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 }, "end": { "local": "2018-03-30T11:05:07-03:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-29T12:52:50-03:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 }, "end": { "local": "2018-03-30T11:05:07-03:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-29", "window": { "start": { "local": "2018-03-29T12:33:58-03:00", "utc": "2018-03-29T15:33:58Z", "ms": 1522337637657.2043 }, "end": { "local": "2018-03-29T13:21:58-03:00", "utc": "2018-03-29T16:21:58Z", "ms": 1522340517657.2043 } }, "covered_min": 29, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-30", "window": { "start": { "local": "2018-03-30T12:33:40-03:00", "utc": "2018-03-30T15:33:40Z", "ms": 1522424019640.5215 }, "end": { "local": "2018-03-30T13:21:40-03:00", "utc": "2018-03-30T16:21:40Z", "ms": 1522426899640.5215 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:53 on Thu 29 Mar to 11:05 on Fri 30 Mar.", "fact": "2018-03-29T15:52:50Z → 2018-03-30T14:05:07Z" }, { "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": "Caturdaśī must be present during madhyāhna. It covers 29 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1132 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Buenos Aires, 2018: Thursday 29 March.", "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": "2018-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Viṣṇudamanaka Caturdaśī 2018 falls on Thursday 29 March. Caturdaśī runs from 12:53 on Thu 29 Mar to 11:05 on Fri 30 Mar and covers 29 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5313, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-03-30T11:05:07-03:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 }, "end": { "local": "2018-03-31T09:36:51-03:00", "utc": "2018-03-31T12:36:51Z", "ms": 1522499810602.4788 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-30T11:05:07-03:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 }, "end": { "local": "2018-03-31T09:36:51-03:00", "utc": "2018-03-31T12:36:51Z", "ms": 1522499810602.4788 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-30", "window": { "start": { "local": "2018-03-30T12:33:40-03:00", "utc": "2018-03-30T15:33:40Z", "ms": 1522424019640.5215 }, "end": { "local": "2018-03-30T13:21:40-03:00", "utc": "2018-03-30T16:21:40Z", "ms": 1522426899640.5215 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-31", "window": { "start": { "local": "2018-03-31T12:33:22-03:00", "utc": "2018-03-31T15:33:22Z", "ms": 1522510401699.8472 }, "end": { "local": "2018-03-31T13:21:22-03:00", "utc": "2018-03-31T16:21:22Z", "ms": 1522513281699.8472 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:05 on Fri 30 Mar to 09:37 on Sat 31 Mar.", "fact": "2018-03-30T14:05:07Z → 2018-03-31T12:36:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 30th, 12:33–13:21 on the 31st.", "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 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5313 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Buenos Aires, 2018: Friday 30 March.", "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": "2018-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-30", "confidence": "determinate" } ], "quote": "In Buenos Aires, Caitrī Pūrṇimā 2018 falls on Friday 30 March. Pūrṇimā runs from 11:05 on Fri 30 Mar to 09:37 on Sat 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/sankashta-chaturthi?on=2018-04-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42253, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-04-03T08:13:50-03:00", "utc": "2018-04-03T11:13:50Z", "ms": 1522754029994.8984 }, "end": { "local": "2018-04-04T09:02:47-03:00", "utc": "2018-04-04T12:02:47Z", "ms": 1522843367219.3318 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-03T08:13:50-03:00", "utc": "2018-04-03T11:13:50Z", "ms": 1522754029994.8984 }, "end": { "local": "2018-04-04T09:02:47-03:00", "utc": "2018-04-04T12:02:47Z", "ms": 1522843367219.3318 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-04-02", "window": { "start": { "local": "2018-04-02T20:29:37-03:00", "utc": "2018-04-02T23:29:37Z", "ms": 1522711776849.0767 }, "end": { "local": "2018-04-02T20:29:37-03:00", "utc": "2018-04-02T23:29:37Z", "ms": 1522711776849.0767 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-04-03", "window": { "start": { "local": "2018-04-03T21:06:32-03:00", "utc": "2018-04-04T00:06:32Z", "ms": 1522800392176.0127 }, "end": { "local": "2018-04-03T21:06:32-03:00", "utc": "2018-04-04T00:06:32Z", "ms": 1522800392176.0127 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:14 on Tue 3 Apr to 09:03 on Wed 4 Apr.", "fact": "2018-04-03T11:13:50Z → 2018-04-04T12:02:47Z" }, { "step": "kaala", "text": "Moonrise is at 20:30 on the 2nd and 21:07 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 42253 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2018: Tuesday 3 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": "2018-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 3 April. Caturthī runs from 08:14 on Tue 3 Apr to 09:03 on Wed 4 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-04-03", "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/2018/ekadashi?on=2018-04-11", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27098, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-04-10T22:10:40-03:00", "utc": "2018-04-11T01:10:40Z", "ms": 1523409040078.2864 }, "end": { "local": "2018-04-11T23:43:11-03:00", "utc": "2018-04-12T02:43:11Z", "ms": 1523500990643.2297 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-10T22:10:40-03:00", "utc": "2018-04-11T01:10:40Z", "ms": 1523409040078.2864 }, "end": { "local": "2018-04-11T23:43:11-03:00", "utc": "2018-04-12T02:43:11Z", "ms": 1523500990643.2297 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-04-11", "window": { "start": { "local": "2018-04-11T07:14:02-03:00", "utc": "2018-04-11T10:14:02Z", "ms": 1523441641879.7844 }, "end": { "local": "2018-04-11T07:14:02-03:00", "utc": "2018-04-11T10:14:02Z", "ms": 1523441641879.7844 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-04-12", "window": { "start": { "local": "2018-04-12T07:14:48-03:00", "utc": "2018-04-12T10:14:48Z", "ms": 1523528088338.699 }, "end": { "local": "2018-04-12T07:14:48-03:00", "utc": "2018-04-12T10:14:48Z", "ms": 1523528088338.699 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:11 on Tue 10 Apr to 23:43 on Wed 11 Apr.", "fact": "2018-04-11T01:10:40Z → 2018-04-12T02:43:11Z" }, { "step": "kaala", "text": "Sunrise is at 07:14 on the 11th and 07:15 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27098 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Buenos Aires, 2018: Wednesday 11 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": "2018-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Varūthinī Ekādaśī 2018 falls on Wednesday 11 April. Ekādaśī runs from 22:11 on Tue 10 Apr to 23:43 on Wed 11 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-04-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27207, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2018-04-13T23:42:55-03:00", "utc": "2018-04-14T02:42:55Z", "ms": 1523673774781.6465 }, "end": { "local": "2018-05-14T20:33:16-03:00", "utc": "2018-05-14T23:33:16Z", "ms": 1526340795624.5295 } }, "span": { "of": "transit", "start": { "local": "2018-04-13T23:42:55-03:00", "utc": "2018-04-14T02:42:55Z", "ms": 1523673774781.6465 }, "end": { "local": "2018-04-13T23:42:55-03:00", "utc": "2018-04-14T02:42:55Z", "ms": 1523673774781.6465 } }, "kaala": "day", "days": [ { "local_date": "2018-04-13", "window": { "start": { "local": "2018-04-13T07:15:35-03:00", "utc": "2018-04-13T10:15:35Z", "ms": 1523614534845.3025 }, "end": { "local": "2018-04-14T07:16:21-03:00", "utc": "2018-04-14T10:16:21Z", "ms": 1523700981400.6672 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2018-04-14", "window": { "start": { "local": "2018-04-14T07:16:21-03:00", "utc": "2018-04-14T10:16:21Z", "ms": 1523700981400.6672 }, "end": { "local": "2018-04-15T07:17:08-03:00", "utc": "2018-04-15T10:17:08Z", "ms": 1523787428004.5027 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 23:43 on Fri 13 Apr.", "fact": "2018-04-14T02:42:55Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 07:16 on the 13th, and from 07:16 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 27207 s" }, { "step": "ruling", "text": "Vaiśākhī, Buenos Aires, 2018: Friday 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": "2018-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2018-04-13", "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": "2018-04-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Buenos Aires, Vaiśākhī 2018 falls on Friday 13 April. The Sun enters Meṣa at 23:43 on Fri 13 Apr, and the rule counts the day from sunrise. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/pradosha-vrata?on=2018-04-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15570, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-04-13T00:34:21-03:00", "utc": "2018-04-13T03:34:21Z", "ms": 1523590460980.756 }, "end": { "local": "2018-04-14T00:41:53-03:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-13T00:34:21-03:00", "utc": "2018-04-13T03:34:21Z", "ms": 1523590460980.756 }, "end": { "local": "2018-04-14T00:41:53-03:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-12", "window": { "start": { "local": "2018-04-12T18:33:12-03:00", "utc": "2018-04-12T21:33:12Z", "ms": 1523568792147.3772 }, "end": { "local": "2018-04-12T20:14:51-03:00", "utc": "2018-04-12T23:14:51Z", "ms": 1523574891173.7673 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "2018-04-13", "window": { "start": { "local": "2018-04-13T18:31:56-03:00", "utc": "2018-04-13T21:31:56Z", "ms": 1523655115510.2231 }, "end": { "local": "2018-04-13T20:13:51-03:00", "utc": "2018-04-13T23:13:51Z", "ms": 1523661230962.2825 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:34 on Fri 13 Apr to 00:42 on Sat 14 Apr.", "fact": "2018-04-13T03:34:21Z → 2018-04-14T03:41:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:15 on the 12th, 18:32–20:14 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 12th and 102 of 102 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15570 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2018: Friday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2018 falls on Friday 13 April. Trayodaśī runs from 00:34 on Fri 13 Apr to 00:42 on Sat 14 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/shivaratri?on=2018-04-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 705, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-04-14T00:41:53-03:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 }, "end": { "local": "2018-04-15T00:07:46-03:00", "utc": "2018-04-15T03:07:46Z", "ms": 1523761665861.241 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-14T00:41:53-03:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 }, "end": { "local": "2018-04-15T00:07:46-03:00", "utc": "2018-04-15T03:07:46Z", "ms": 1523761665861.241 } }, "kaala": "nishita", "days": [ { "local_date": "2018-04-13", "window": { "start": { "local": "2018-04-14T00:30:08-03:00", "utc": "2018-04-14T03:30:08Z", "ms": 1523676608455.4453 }, "end": { "local": "2018-04-14T01:18:08-03:00", "utc": "2018-04-14T04:18:08Z", "ms": 1523679488455.4453 } }, "covered_min": 36, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-14", "window": { "start": { "local": "2018-04-15T00:29:54-03:00", "utc": "2018-04-15T03:29:54Z", "ms": 1523762993753.0718 }, "end": { "local": "2018-04-15T01:17:54-03:00", "utc": "2018-04-15T04:17:54Z", "ms": 1523765873753.0718 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:42 on Sat 14 Apr to 00:08 on Sun 15 Apr.", "fact": "2018-04-14T03:41:53Z → 2018-04-15T03:07:46Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:30–01:18 on the 13th, 00:30–01:18 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 36 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 705 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2018: Friday 13 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": "2018-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2018 falls on Friday 13 April. Caturdaśī runs from 00:42 on Sat 14 Apr to 00:08 on Sun 15 Apr and covers 36 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/shivaratri?on=2018-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2905, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-04-17T19:15:20-03:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T16:59:58-03:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-17T19:15:20-03:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T16:59:58-03:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-17", "window": { "start": { "local": "2018-04-17T18:26:55-03:00", "utc": "2018-04-17T21:26:55Z", "ms": 1524000415495.65 }, "end": { "local": "2018-04-17T20:09:56-03:00", "utc": "2018-04-17T23:09:56Z", "ms": 1524006595840.7852 } }, "covered_min": 55, "window_min": 103, "qualifies": true }, { "local_date": "2018-04-18", "window": { "start": { "local": "2018-04-18T18:25:42-03:00", "utc": "2018-04-18T21:25:42Z", "ms": 1524086742247.9443 }, "end": { "local": "2018-04-18T20:08:59-03:00", "utc": "2018-04-18T23:08:59Z", "ms": 1524092938595.3655 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:15 on Tue 17 Apr to 17:00 on Wed 18 Apr.", "fact": "2018-04-17T22:15:20Z → 2018-04-18T19:59:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–20:10 on the 17th, 18:26–20:09 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 55 of 103 minutes on the 17th and 0 of 103 on the 18th.", "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 2905 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Buenos Aires, 2018: Tuesday 17 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": "2018-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Paraśurāma Jayantī 2018 falls on Tuesday 17 April. Tṛtīyā runs from 19:15 on Tue 17 Apr to 17:00 on Wed 18 Apr and covers 55 of 103 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21505, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-04-17T19:15:20-03:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T16:59:58-03:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-17T19:15:20-03:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T16:59:58-03:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 } }, "kaala": "purvahna", "days": [ { "local_date": "2018-04-17", "window": { "start": { "local": "2018-04-17T07:18:41-03:00", "utc": "2018-04-17T10:18:41Z", "ms": 1523960321349.7266 }, "end": { "local": "2018-04-17T11:01:26-03:00", "utc": "2018-04-17T14:01:26Z", "ms": 1523973686065.0344 } }, "covered_min": 0, "window_min": 223, "qualifies": false }, { "local_date": "2018-04-18", "window": { "start": { "local": "2018-04-18T07:19:28-03:00", "utc": "2018-04-18T10:19:28Z", "ms": 1524046768084.164 }, "end": { "local": "2018-04-18T11:01:33-03:00", "utc": "2018-04-18T14:01:33Z", "ms": 1524060092805.424 } }, "covered_min": 222, "window_min": 222, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:15 on Tue 17 Apr to 17:00 on Wed 18 Apr.", "fact": "2018-04-17T22:15:20Z → 2018-04-18T19:59:58Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:19–11:01 on the 17th, 07:19–11:02 on the 18th.", "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 223 minutes on the 17th and 222 of 222 on the 18th.", "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 21505 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Buenos Aires, 2018: Wednesday 18 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": "2018-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Akṣaya Tṛtīyā 2018 falls on Wednesday 18 April. Tṛtīyā runs from 19:15 on Tue 17 Apr to 17:00 on Wed 18 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vinayaka-chaturthi?on=2018-04-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4905, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-04-18T16:59:58-03:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 }, "end": { "local": "2018-04-19T14:38:07-03:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-18T16:59:58-03:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 }, "end": { "local": "2018-04-19T14:38:07-03:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-18", "window": { "start": { "local": "2018-04-18T12:28:35-03:00", "utc": "2018-04-18T15:28:35Z", "ms": 1524065315166.0542 }, "end": { "local": "2018-04-18T13:16:35-03:00", "utc": "2018-04-18T16:16:35Z", "ms": 1524068195166.0542 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-19", "window": { "start": { "local": "2018-04-19T12:28:22-03:00", "utc": "2018-04-19T15:28:22Z", "ms": 1524151702302.502 }, "end": { "local": "2018-04-19T13:16:22-03:00", "utc": "2018-04-19T16:16:22Z", "ms": 1524154582302.502 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:00 on Wed 18 Apr to 14:38 on Thu 19 Apr.", "fact": "2018-04-18T19:59:58Z → 2018-04-19T17:38:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 18th, 12:28–13:16 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 4905 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2018: Thursday 19 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": "2018-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2018 falls on Thursday 19 April. Caturthī runs from 17:00 on Wed 18 Apr to 14:38 on Thu 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/vinayaka-chaturthi?on=2018-04-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 738, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-04-19T14:38:07-03:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 }, "end": { "local": "2018-04-20T12:15:52-03:00", "utc": "2018-04-20T15:15:52Z", "ms": 1524237351761.3696 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-19T14:38:07-03:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 }, "end": { "local": "2018-04-20T12:15:52-03:00", "utc": "2018-04-20T15:15:52Z", "ms": 1524237351761.3696 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-19", "window": { "start": { "local": "2018-04-19T12:28:22-03:00", "utc": "2018-04-19T15:28:22Z", "ms": 1524151702302.502 }, "end": { "local": "2018-04-19T13:16:22-03:00", "utc": "2018-04-19T16:16:22Z", "ms": 1524154582302.502 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-20", "window": { "start": { "local": "2018-04-20T12:28:10-03:00", "utc": "2018-04-20T15:28:10Z", "ms": 1524238089841.9453 }, "end": { "local": "2018-04-20T13:16:10-03:00", "utc": "2018-04-20T16:16:10Z", "ms": 1524240969841.9453 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:38 on Thu 19 Apr to 12:16 on Fri 20 Apr.", "fact": "2018-04-19T17:38:07Z → 2018-04-20T15:15:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 19th, 12:28–13:16 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 0 of 48 on the 20th.", "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: unstated → second-day · margin 738 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Buenos Aires, 2018: Friday 20 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": "2018-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śaṅkara Jayantī 2018 falls on Friday 20 April. Pañcamī runs from 14:38 on Thu 19 Apr to 12:16 on Fri 20 Apr, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9006, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-04-21T09:57:52-03:00", "utc": "2018-04-21T12:57:52Z", "ms": 1524315472092.0146 }, "end": { "local": "2018-04-22T07:47:22-03:00", "utc": "2018-04-22T10:47:22Z", "ms": 1524394042025.2275 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-21T09:57:52-03:00", "utc": "2018-04-21T12:57:52Z", "ms": 1524315472092.0146 }, "end": { "local": "2018-04-22T07:47:22-03:00", "utc": "2018-04-22T10:47:22Z", "ms": 1524394042025.2275 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-21", "window": { "start": { "local": "2018-04-21T12:27:58-03:00", "utc": "2018-04-21T15:27:58Z", "ms": 1524324477794.6682 }, "end": { "local": "2018-04-21T13:15:58-03:00", "utc": "2018-04-21T16:15:58Z", "ms": 1524327357794.6682 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-22", "window": { "start": { "local": "2018-04-22T12:27:46-03:00", "utc": "2018-04-22T15:27:46Z", "ms": 1524410866171.533 }, "end": { "local": "2018-04-22T13:15:46-03:00", "utc": "2018-04-22T16:15:46Z", "ms": 1524413746171.533 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 09:58 on Sat 21 Apr to 07:47 on Sun 22 Apr.", "fact": "2018-04-21T12:57:52Z → 2018-04-22T10:47:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 21st, 12:28–13:16 on the 22nd.", "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 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 9006 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Buenos Aires, 2018: Saturday 21 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": "2018-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gaṅgotpatti (Ganga Saptami) 2018 falls on Saturday 21 April. Saptamī runs from 09:58 on Sat 21 Apr to 07:47 on Sun 22 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-04-25", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18490, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-04-25T02:16:46-03:00", "utc": "2018-04-25T05:16:46Z", "ms": 1524633405949.3176 }, "end": { "local": "2018-04-26T00:50:07-03:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-25T02:16:46-03:00", "utc": "2018-04-25T05:16:46Z", "ms": 1524633405949.3176 }, "end": { "local": "2018-04-26T00:50:07-03:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-04-25", "window": { "start": { "local": "2018-04-25T07:24:56-03:00", "utc": "2018-04-25T10:24:56Z", "ms": 1524651895916.0063 }, "end": { "local": "2018-04-25T07:24:56-03:00", "utc": "2018-04-25T10:24:56Z", "ms": 1524651895916.0063 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T07:25:43-03:00", "utc": "2018-04-26T10:25:43Z", "ms": 1524738342794.6846 }, "end": { "local": "2018-04-26T07:25:43-03:00", "utc": "2018-04-26T10:25:43Z", "ms": 1524738342794.6846 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:17 on Wed 25 Apr to 00:50 on Thu 26 Apr.", "fact": "2018-04-25T05:16:46Z → 2018-04-26T03:50:07Z" }, { "step": "kaala", "text": "Sunrise is at 07:25 on the 25th and 07:26 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18490 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Buenos Aires, 2018: Wednesday 25 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": "2018-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mohinī Ekādaśī 2018 falls on Wednesday 25 April. Ekādaśī runs from 02:17 on Wed 25 Apr to 00:50 on Thu 26 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-04-25", "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/2018/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37358, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-04-26T00:50:07-03:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-26T23:37:42-03:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-26T00:50:07-03:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-26T23:37:42-03:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-25", "window": { "start": { "local": "2018-04-25T12:27:14-03:00", "utc": "2018-04-25T15:27:14Z", "ms": 1524670033965.6775 }, "end": { "local": "2018-04-25T13:15:14-03:00", "utc": "2018-04-25T16:15:14Z", "ms": 1524672913965.6775 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T12:27:04-03:00", "utc": "2018-04-26T15:27:04Z", "ms": 1524756424160.7122 }, "end": { "local": "2018-04-26T13:15:04-03:00", "utc": "2018-04-26T16:15:04Z", "ms": 1524759304160.7122 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:50 on Thu 26 Apr to 23:38 on Thu 26 Apr.", "fact": "2018-04-26T03:50:07Z → 2018-04-27T02:37:42Z" }, { "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": "Dvādaśī 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 37358 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Buenos Aires, 2018: Thursday 26 April.", "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": "2018-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Paraśurāma Dvādaśī 2018 falls on Thursday 26 April. Dvādaśī runs from 00:50 on Thu 26 Apr to 23:38 on Thu 26 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37358, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-04-26T00:50:07-03:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-26T23:37:42-03:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-26T00:50:07-03:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-26T23:37:42-03:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-25", "window": { "start": { "local": "2018-04-25T12:27:14-03:00", "utc": "2018-04-25T15:27:14Z", "ms": 1524670033965.6775 }, "end": { "local": "2018-04-25T13:15:14-03:00", "utc": "2018-04-25T16:15:14Z", "ms": 1524672913965.6775 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T12:27:04-03:00", "utc": "2018-04-26T15:27:04Z", "ms": 1524756424160.7122 }, "end": { "local": "2018-04-26T13:15:04-03:00", "utc": "2018-04-26T16:15:04Z", "ms": 1524759304160.7122 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:50 on Thu 26 Apr to 23:38 on Thu 26 Apr.", "fact": "2018-04-26T03:50:07Z → 2018-04-27T02:37:42Z" }, { "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": "Dvādaśī 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 37358 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Buenos Aires, 2018: Thursday 26 April.", "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": "2018-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rukmiṇī Dvādaśī 2018 falls on Thursday 26 April. Dvādaśī runs from 00:50 on Thu 26 Apr to 23:38 on Thu 26 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/pradosha-vrata?on=2018-04-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9684, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-04-26T23:37:42-03:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 }, "end": { "local": "2018-04-27T22:42:20-03:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-26T23:37:42-03:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 }, "end": { "local": "2018-04-27T22:42:20-03:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T18:16:26-03:00", "utc": "2018-04-26T21:16:26Z", "ms": 1524777385526.7397 }, "end": { "local": "2018-04-26T20:01:46-03:00", "utc": "2018-04-26T23:01:46Z", "ms": 1524783706079.8943 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T18:15:20-03:00", "utc": "2018-04-27T21:15:20Z", "ms": 1524863720010.625 }, "end": { "local": "2018-04-27T20:00:56-03:00", "utc": "2018-04-27T23:00:56Z", "ms": 1524870055549.958 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:38 on Thu 26 Apr to 22:42 on Fri 27 Apr.", "fact": "2018-04-27T02:37:42Z → 2018-04-28T01:42:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:16–20:02 on the 26th, 18:15–20:01 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 105 minutes on the 26th and 106 of 106 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 9684 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2018: Friday 27 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2018 falls on Friday 27 April. Trayodaśī runs from 23:38 on Thu 26 Apr to 22:42 on Fri 27 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7658, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-04-27T22:42:20-03:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 }, "end": { "local": "2018-04-28T22:07:43-03:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-27T22:42:20-03:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 }, "end": { "local": "2018-04-28T22:07:43-03:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T18:15:20-03:00", "utc": "2018-04-27T21:15:20Z", "ms": 1524863720010.625 }, "end": { "local": "2018-04-27T20:00:56-03:00", "utc": "2018-04-27T23:00:56Z", "ms": 1524870055549.958 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2018-04-28", "window": { "start": { "local": "2018-04-28T18:14:15-03:00", "utc": "2018-04-28T21:14:15Z", "ms": 1524950055496.1272 }, "end": { "local": "2018-04-28T20:00:06-03:00", "utc": "2018-04-28T23:00:06Z", "ms": 1524956405887.6216 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:42 on Fri 27 Apr to 22:08 on Sat 28 Apr.", "fact": "2018-04-28T01:42:20Z → 2018-04-29T01:07:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–20:01 on the 27th, 18:14–20:00 on the 28th.", "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 106 minutes on the 27th and 106 of 106 on the 28th.", "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 7658 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Buenos Aires, 2018: Saturday 28 April.", "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": "2018-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2018 falls on Saturday 28 April. Caturdaśī runs from 22:42 on Fri 27 Apr to 22:08 on Sat 28 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31413, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-04-28T22:07:43-03:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-29T21:58:11-03:00", "utc": "2018-04-30T00:58:11Z", "ms": 1525049891091.6833 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-28T22:07:43-03:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-29T21:58:11-03:00", "utc": "2018-04-30T00:58:11Z", "ms": 1525049891091.6833 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-28", "window": { "start": { "local": "2018-04-28T12:26:46-03:00", "utc": "2018-04-28T15:26:46Z", "ms": 1524929206025.8748 }, "end": { "local": "2018-04-28T13:14:46-03:00", "utc": "2018-04-28T16:14:46Z", "ms": 1524932086025.8748 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-29", "window": { "start": { "local": "2018-04-29T12:26:38-03:00", "utc": "2018-04-29T15:26:38Z", "ms": 1525015597722.2534 }, "end": { "local": "2018-04-29T13:14:38-03:00", "utc": "2018-04-29T16:14:38Z", "ms": 1525018477722.2534 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:08 on Sat 28 Apr to 21:58 on Sun 29 Apr.", "fact": "2018-04-29T01:07:43Z → 2018-04-30T00:58:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 28th, 12:27–13:15 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31413 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Buenos Aires, 2018: Sunday 29 April.", "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": "2018-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Buddha Pūrṇimā 2018 falls on Sunday 29 April. Pūrṇimā runs from 22:08 on Sat 28 Apr to 21:58 on Sun 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31413, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-04-28T22:07:43-03:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-29T21:58:11-03:00", "utc": "2018-04-30T00:58:11Z", "ms": 1525049891091.6833 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-28T22:07:43-03:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-29T21:58:11-03:00", "utc": "2018-04-30T00:58:11Z", "ms": 1525049891091.6833 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-28", "window": { "start": { "local": "2018-04-28T12:26:46-03:00", "utc": "2018-04-28T15:26:46Z", "ms": 1524929206025.8748 }, "end": { "local": "2018-04-28T13:14:46-03:00", "utc": "2018-04-28T16:14:46Z", "ms": 1524932086025.8748 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-29", "window": { "start": { "local": "2018-04-29T12:26:38-03:00", "utc": "2018-04-29T15:26:38Z", "ms": 1525015597722.2534 }, "end": { "local": "2018-04-29T13:14:38-03:00", "utc": "2018-04-29T16:14:38Z", "ms": 1525018477722.2534 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:08 on Sat 28 Apr to 21:58 on Sun 29 Apr.", "fact": "2018-04-29T01:07:43Z → 2018-04-30T00:58:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 28th, 12:27–13:15 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31413 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Buenos Aires, 2018: Sunday 29 April.", "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": "2018-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Sampat Gaurī Vrata 2018 falls on Sunday 29 April. Pūrṇimā runs from 22:08 on Sat 28 Apr to 21:58 on Sun 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/sankashta-chaturthi?on=2018-05-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15251, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-05-03T00:35:28-03:00", "utc": "2018-05-03T03:35:28Z", "ms": 1525318527916.3647 }, "end": { "local": "2018-05-04T02:31:45-03:00", "utc": "2018-05-04T05:31:45Z", "ms": 1525411905219.4832 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-03T00:35:28-03:00", "utc": "2018-05-03T03:35:28Z", "ms": 1525318527916.3647 }, "end": { "local": "2018-05-04T02:31:45-03:00", "utc": "2018-05-04T05:31:45Z", "ms": 1525411905219.4832 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-05-02", "window": { "start": { "local": "2018-05-02T20:21:17-03:00", "utc": "2018-05-02T23:21:17Z", "ms": 1525303276623.8406 }, "end": { "local": "2018-05-02T20:21:17-03:00", "utc": "2018-05-02T23:21:17Z", "ms": 1525303276623.8406 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-05-03", "window": { "start": { "local": "2018-05-03T21:05:20-03:00", "utc": "2018-05-04T00:05:20Z", "ms": 1525392319867.5208 }, "end": { "local": "2018-05-03T21:05:20-03:00", "utc": "2018-05-04T00:05:20Z", "ms": 1525392319867.5208 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:35 on Thu 3 May to 02:32 on Fri 4 May.", "fact": "2018-05-03T03:35:28Z → 2018-05-04T05:31:45Z" }, { "step": "kaala", "text": "Moonrise is at 20:21 on the 2nd and 21:05 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 15251 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2018: Thursday 3 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": "2018-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2018 falls on Thursday 3 May. Caturthī runs from 00:35 on Thu 3 May to 02:32 on Fri 4 May and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-05-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/ekadashi?on=2018-05-11", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26508, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-05-10T14:58:25-03:00", "utc": "2018-05-10T17:58:25Z", "ms": 1525975104732.321 }, "end": { "local": "2018-05-11T15:11:56-03:00", "utc": "2018-05-11T18:11:56Z", "ms": 1526062316038.8489 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-10T14:58:25-03:00", "utc": "2018-05-10T17:58:25Z", "ms": 1525975104732.321 }, "end": { "local": "2018-05-11T15:11:56-03:00", "utc": "2018-05-11T18:11:56Z", "ms": 1526062316038.8489 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-05-10", "window": { "start": { "local": "2018-05-10T07:36:37-03:00", "utc": "2018-05-10T10:36:37Z", "ms": 1525948596684.2678 }, "end": { "local": "2018-05-10T07:36:37-03:00", "utc": "2018-05-10T10:36:37Z", "ms": 1525948596684.2678 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-05-11", "window": { "start": { "local": "2018-05-11T07:37:23-03:00", "utc": "2018-05-11T10:37:23Z", "ms": 1526035042788.0723 }, "end": { "local": "2018-05-11T07:37:23-03:00", "utc": "2018-05-11T10:37:23Z", "ms": 1526035042788.0723 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:58 on Thu 10 May to 15:12 on Fri 11 May.", "fact": "2018-05-10T17:58:25Z → 2018-05-11T18:11:56Z" }, { "step": "kaala", "text": "Sunrise is at 07:37 on the 10th and 07:37 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 26508 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Buenos Aires, 2018: Friday 11 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Aparā Ekādaśī 2018 falls on Friday 11 May. Ekādaśī runs from 14:58 on Thu 10 May to 15:12 on Fri 11 May and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-05-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/pradosha-vrata?on=2018-05-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12274, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-05-12T14:36:39-03:00", "utc": "2018-05-12T17:36:39Z", "ms": 1526146599072.2808 }, "end": { "local": "2018-05-13T13:16:06-03:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-12T14:36:39-03:00", "utc": "2018-05-12T17:36:39Z", "ms": 1526146599072.2808 }, "end": { "local": "2018-05-13T13:16:06-03:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-05-12", "window": { "start": { "local": "2018-05-12T18:01:13-03:00", "utc": "2018-05-12T21:01:13Z", "ms": 1526158872806.846 }, "end": { "local": "2018-05-12T19:50:14-03:00", "utc": "2018-05-12T22:50:14Z", "ms": 1526165414359.435 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "2018-05-13", "window": { "start": { "local": "2018-05-13T18:00:26-03:00", "utc": "2018-05-13T21:00:26Z", "ms": 1526245226495.8538 }, "end": { "local": "2018-05-13T19:49:40-03:00", "utc": "2018-05-13T22:49:40Z", "ms": 1526251780291.008 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:37 on Sat 12 May to 13:16 on Sun 13 May.", "fact": "2018-05-12T17:36:39Z → 2018-05-13T16:16:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:50 on the 12th, 18:00–19:50 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 109 of 109 minutes on the 12th and 0 of 109 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12274 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2018: Saturday 12 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": "2018-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2018 falls on Saturday 12 May. Trayodaśī runs from 14:37 on Sat 12 May to 13:16 on Sun 13 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-05-12", "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/2018/shivaratri?on=2018-05-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36173, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-05-13T13:16:06-03:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 }, "end": { "local": "2018-05-14T11:16:56-03:00", "utc": "2018-05-14T14:16:56Z", "ms": 1526307416468.5112 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-13T13:16:06-03:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 }, "end": { "local": "2018-05-14T11:16:56-03:00", "utc": "2018-05-14T14:16:56Z", "ms": 1526307416468.5112 } }, "kaala": "nishita", "days": [ { "local_date": "2018-05-12", "window": { "start": { "local": "2018-05-13T00:26:04-03:00", "utc": "2018-05-13T03:26:04Z", "ms": 1526181963629.0552 }, "end": { "local": "2018-05-13T01:14:04-03:00", "utc": "2018-05-13T04:14:04Z", "ms": 1526184843629.0552 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-05-13", "window": { "start": { "local": "2018-05-14T00:26:03-03:00", "utc": "2018-05-14T03:26:03Z", "ms": 1526268363227.6826 }, "end": { "local": "2018-05-14T01:14:03-03:00", "utc": "2018-05-14T04:14:03Z", "ms": 1526271243227.6826 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:16 on Sun 13 May to 11:17 on Mon 14 May.", "fact": "2018-05-13T16:16:06Z → 2018-05-14T14:16:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:26–01:14 on the 12th, 00:26–01:14 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "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 36173 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2018: Sunday 13 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": "2018-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2018 falls on Sunday 13 May. Caturdaśī runs from 13:16 on Sun 13 May to 11:17 on Mon 14 May and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/shivaratri?on=2018-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/vinayaka-chaturthi?on=2018-05-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27863, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-05-17T23:54:46-03:00", "utc": "2018-05-18T02:54:46Z", "ms": 1526612085731.9487 }, "end": { "local": "2018-05-18T20:58:10-03:00", "utc": "2018-05-18T23:58:10Z", "ms": 1526687890487.199 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-17T23:54:46-03:00", "utc": "2018-05-18T02:54:46Z", "ms": 1526612085731.9487 }, "end": { "local": "2018-05-18T20:58:10-03:00", "utc": "2018-05-18T23:58:10Z", "ms": 1526687890487.199 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-05-17", "window": { "start": { "local": "2018-05-17T12:25:45-03:00", "utc": "2018-05-17T15:25:45Z", "ms": 1526570745072.005 }, "end": { "local": "2018-05-17T13:13:45-03:00", "utc": "2018-05-17T16:13:45Z", "ms": 1526573625072.005 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-05-18", "window": { "start": { "local": "2018-05-18T12:25:48-03:00", "utc": "2018-05-18T15:25:48Z", "ms": 1526657147617.873 }, "end": { "local": "2018-05-18T13:13:48-03:00", "utc": "2018-05-18T16:13:48Z", "ms": 1526660027617.873 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:55 on Thu 17 May to 20:58 on Fri 18 May.", "fact": "2018-05-18T02:54:46Z → 2018-05-18T23:58:10Z" }, { "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": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27863 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2018: Friday 18 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": "2018-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2018 falls on Friday 18 May. Caturthī runs from 23:55 on Thu 17 May to 20:58 on Fri 18 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/vinayaka-chaturthi?on=2018-05-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/ekadashi?on=2018-05-25", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5401, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-05-24T09:48:27-03:00", "utc": "2018-05-24T12:48:27Z", "ms": 1527166106521.2537 }, "end": { "local": "2018-05-25T09:17:38-03:00", "utc": "2018-05-25T12:17:38Z", "ms": 1527250658156.223 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-24T09:48:27-03:00", "utc": "2018-05-24T12:48:27Z", "ms": 1527166106521.2537 }, "end": { "local": "2018-05-25T09:17:38-03:00", "utc": "2018-05-25T12:17:38Z", "ms": 1527250658156.223 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-05-24", "window": { "start": { "local": "2018-05-24T07:46:56-03:00", "utc": "2018-05-24T10:46:56Z", "ms": 1527158815857.4224 }, "end": { "local": "2018-05-24T07:46:56-03:00", "utc": "2018-05-24T10:46:56Z", "ms": 1527158815857.4224 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-05-25", "window": { "start": { "local": "2018-05-25T07:47:37-03:00", "utc": "2018-05-25T10:47:37Z", "ms": 1527245256826.795 }, "end": { "local": "2018-05-25T07:47:37-03:00", "utc": "2018-05-25T10:47:37Z", "ms": 1527245256826.795 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:48 on Thu 24 May to 09:18 on Fri 25 May.", "fact": "2018-05-24T12:48:27Z → 2018-05-25T12:17:38Z" }, { "step": "kaala", "text": "Sunrise is at 07:47 on the 24th and 07:48 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5401 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Buenos Aires, 2018: Friday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Ekādaśī 2018 falls on Friday 25 May. Ekādaśī runs from 09:48 on Thu 24 May to 09:18 on Fri 25 May and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-05-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/pradosha-vrata?on=2018-05-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30253, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-05-26T09:10:36-03:00", "utc": "2018-05-26T12:10:36Z", "ms": 1527336636271.299 }, "end": { "local": "2018-05-27T09:27:57-03:00", "utc": "2018-05-27T12:27:57Z", "ms": 1527424077088.1523 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-26T09:10:36-03:00", "utc": "2018-05-26T12:10:36Z", "ms": 1527336636271.299 }, "end": { "local": "2018-05-27T09:27:57-03:00", "utc": "2018-05-27T12:27:57Z", "ms": 1527424077088.1523 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-05-26", "window": { "start": { "local": "2018-05-26T17:52:36-03:00", "utc": "2018-05-26T20:52:36Z", "ms": 1527367956048.2866 }, "end": { "local": "2018-05-26T19:44:07-03:00", "utc": "2018-05-26T22:44:07Z", "ms": 1527374646834.833 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "2018-05-27", "window": { "start": { "local": "2018-05-27T17:52:10-03:00", "utc": "2018-05-27T20:52:10Z", "ms": 1527454330456.3225 }, "end": { "local": "2018-05-27T19:43:50-03:00", "utc": "2018-05-27T22:43:50Z", "ms": 1527461029867.69 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:11 on Sat 26 May to 09:28 on Sun 27 May.", "fact": "2018-05-26T12:10:36Z → 2018-05-27T12:27:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:44 on the 26th, 17:52–19:44 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 112 of 112 minutes on the 26th and 0 of 112 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 30253 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2018: Saturday 26 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": "2018-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2018 falls on Saturday 26 May. Trayodaśī runs from 09:11 on Sat 26 May to 09:28 on Sun 27 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-05-26", "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/2018/sankashta-chaturthi?on=2018-06-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5938, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-06-01T17:14:47-03:00", "utc": "2018-06-01T20:14:47Z", "ms": 1527884086632.2168 }, "end": { "local": "2018-06-02T19:47:43-03:00", "utc": "2018-06-02T22:47:43Z", "ms": 1527979663328.832 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-01T17:14:47-03:00", "utc": "2018-06-01T20:14:47Z", "ms": 1527884086632.2168 }, "end": { "local": "2018-06-02T19:47:43-03:00", "utc": "2018-06-02T22:47:43Z", "ms": 1527979663328.832 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-06-01", "window": { "start": { "local": "2018-06-01T20:35:09-03:00", "utc": "2018-06-01T23:35:09Z", "ms": 1527896108734.7725 }, "end": { "local": "2018-06-01T20:35:09-03:00", "utc": "2018-06-01T23:35:09Z", "ms": 1527896108734.7725 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-06-02", "window": { "start": { "local": "2018-06-02T21:26:41-03:00", "utc": "2018-06-03T00:26:41Z", "ms": 1527985601128.9192 }, "end": { "local": "2018-06-02T21:26:41-03:00", "utc": "2018-06-03T00:26:41Z", "ms": 1527985601128.9192 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:15 on Fri 1 Jun to 19:48 on Sat 2 Jun.", "fact": "2018-06-01T20:14:47Z → 2018-06-02T22:47:43Z" }, { "step": "kaala", "text": "Moonrise is at 20:35 on the 1st and 21:27 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 5938 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2018: Friday 1 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": "2018-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2018 falls on Friday 1 June. Caturthī runs from 17:15 on Fri 1 Jun to 19:48 on Sat 2 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-06-01", "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/2018/ekadashi?on=2018-06-09", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12437, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-06-09T04:29:06-03:00", "utc": "2018-06-09T07:29:06Z", "ms": 1528529346079.7083 }, "end": { "local": "2018-06-10T03:24:38-03:00", "utc": "2018-06-10T06:24:38Z", "ms": 1528611878464.843 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-09T04:29:06-03:00", "utc": "2018-06-09T07:29:06Z", "ms": 1528529346079.7083 }, "end": { "local": "2018-06-10T03:24:38-03:00", "utc": "2018-06-10T06:24:38Z", "ms": 1528611878464.843 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-06-09", "window": { "start": { "local": "2018-06-09T07:56:23-03:00", "utc": "2018-06-09T10:56:23Z", "ms": 1528541783136.9678 }, "end": { "local": "2018-06-09T07:56:23-03:00", "utc": "2018-06-09T10:56:23Z", "ms": 1528541783136.9678 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-06-10", "window": { "start": { "local": "2018-06-10T07:56:51-03:00", "utc": "2018-06-10T10:56:51Z", "ms": 1528628210915.8694 }, "end": { "local": "2018-06-10T07:56:51-03:00", "utc": "2018-06-10T10:56:51Z", "ms": 1528628210915.8694 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:29 on Sat 9 Jun to 03:25 on Sun 10 Jun.", "fact": "2018-06-09T07:29:06Z → 2018-06-10T06:24:38Z" }, { "step": "kaala", "text": "Sunrise is at 07:56 on the 9th and 07:57 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 12437 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Buenos Aires, 2018: Saturday 9 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": "2018-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Ekādaśī 2018 falls on Saturday 9 June. Ekādaśī runs from 04:29 on Sat 9 Jun to 03:25 on Sun 10 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-06-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/pradosha-vrata?on=2018-06-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12126, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-06-11T01:34:03-03:00", "utc": "2018-06-11T04:34:03Z", "ms": 1528691642564.8875 }, "end": { "local": "2018-06-11T23:04:15-03:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-11T01:34:03-03:00", "utc": "2018-06-11T04:34:03Z", "ms": 1528691642564.8875 }, "end": { "local": "2018-06-11T23:04:15-03:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-06-10", "window": { "start": { "local": "2018-06-10T17:49:00-03:00", "utc": "2018-06-10T20:49:00Z", "ms": 1528663739941.713 }, "end": { "local": "2018-06-10T19:42:06-03:00", "utc": "2018-06-10T22:42:06Z", "ms": 1528670526295.062 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "2018-06-11", "window": { "start": { "local": "2018-06-11T17:48:58-03:00", "utc": "2018-06-11T20:48:58Z", "ms": 1528750138312.1543 }, "end": { "local": "2018-06-11T19:42:08-03:00", "utc": "2018-06-11T22:42:08Z", "ms": 1528756928287.7776 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:34 on Mon 11 Jun to 23:04 on Mon 11 Jun.", "fact": "2018-06-11T04:34:03Z → 2018-06-12T02:04:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:49–19:42 on the 10th, 17:49–19:42 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 113 minutes on the 10th and 113 of 113 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 12126 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2018: Monday 11 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2018 falls on Monday 11 June. Trayodaśī runs from 01:34 on Mon 11 Jun to 23:04 on Mon 11 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/shivaratri?on=2018-06-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5106, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-06-11T23:04:15-03:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 }, "end": { "local": "2018-06-12T20:04:03-03:00", "utc": "2018-06-12T23:04:03Z", "ms": 1528844642944.9158 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-11T23:04:15-03:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 }, "end": { "local": "2018-06-12T20:04:03-03:00", "utc": "2018-06-12T23:04:03Z", "ms": 1528844642944.9158 } }, "kaala": "nishita", "days": [ { "local_date": "2018-06-11", "window": { "start": { "local": "2018-06-12T00:29:21-03:00", "utc": "2018-06-12T03:29:21Z", "ms": 1528774160720.7417 }, "end": { "local": "2018-06-12T01:17:21-03:00", "utc": "2018-06-12T04:17:21Z", "ms": 1528777040720.7417 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-12", "window": { "start": { "local": "2018-06-13T00:29:33-03:00", "utc": "2018-06-13T03:29:33Z", "ms": 1528860572864.2104 }, "end": { "local": "2018-06-13T01:17:33-03:00", "utc": "2018-06-13T04:17:33Z", "ms": 1528863452864.2104 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:04 on Mon 11 Jun to 20:04 on Tue 12 Jun.", "fact": "2018-06-12T02:04:15Z → 2018-06-12T23:04:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:29–01:17 on the 11th, 00:30–01:18 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 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5106 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2018: Monday 11 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": "2018-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2018 falls on Monday 11 June. Caturdaśī runs from 23:04 on Mon 11 Jun to 20:04 on Tue 12 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/shivaratri?on=2018-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10215, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-06-15T09:39:44-03:00", "utc": "2018-06-15T12:39:44Z", "ms": 1529066384343.3464 }, "end": { "local": "2018-06-16T06:16:03-03:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-15T09:39:44-03:00", "utc": "2018-06-15T12:39:44Z", "ms": 1529066384343.3464 }, "end": { "local": "2018-06-16T06:16:03-03:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-15", "window": { "start": { "local": "2018-06-15T12:30:00-03:00", "utc": "2018-06-15T15:30:00Z", "ms": 1529076599843.1846 }, "end": { "local": "2018-06-15T13:18:00-03:00", "utc": "2018-06-15T16:18:00Z", "ms": 1529079479843.1846 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-16", "window": { "start": { "local": "2018-06-16T12:30:13-03:00", "utc": "2018-06-16T15:30:13Z", "ms": 1529163013122.851 }, "end": { "local": "2018-06-16T13:18:13-03:00", "utc": "2018-06-16T16:18:13Z", "ms": 1529165893122.851 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:40 on Fri 15 Jun to 06:16 on Sat 16 Jun.", "fact": "2018-06-15T12:39:44Z → 2018-06-16T09:16:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 15th, 12:30–13:18 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10215 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Buenos Aires, 2018: Friday 15 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rambhā Tṛtīyā 2018 falls on Friday 15 June. Tṛtīyā runs from 09:40 on Fri 15 Jun to 06:16 on Sat 16 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vinayaka-chaturthi?on=2018-06-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22450, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-06-16T06:16:03-03:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 }, "end": { "local": "2018-06-17T03:09:00-03:00", "utc": "2018-06-17T06:09:00Z", "ms": 1529215739864.1277 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-16T06:16:03-03:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 }, "end": { "local": "2018-06-17T03:09:00-03:00", "utc": "2018-06-17T06:09:00Z", "ms": 1529215739864.1277 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-16", "window": { "start": { "local": "2018-06-16T12:30:13-03:00", "utc": "2018-06-16T15:30:13Z", "ms": 1529163013122.851 }, "end": { "local": "2018-06-16T13:18:13-03:00", "utc": "2018-06-16T16:18:13Z", "ms": 1529165893122.851 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-17", "window": { "start": { "local": "2018-06-17T12:30:26-03:00", "utc": "2018-06-17T15:30:26Z", "ms": 1529249426467.7476 }, "end": { "local": "2018-06-17T13:18:26-03:00", "utc": "2018-06-17T16:18:26Z", "ms": 1529252306467.7476 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:16 on Sat 16 Jun to 03:09 on Sun 17 Jun.", "fact": "2018-06-16T09:16:03Z → 2018-06-17T06:09:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 16th, 12:30–13:18 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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22450 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2018: Saturday 16 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": "2018-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2018 falls on Saturday 16 June. Caturthī runs from 06:16 on Sat 16 Jun to 03:09 on Sun 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/vinayaka-chaturthi?on=2018-06-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31935, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-06-18T00:25:29-03:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-18T22:10:55-03:00", "utc": "2018-06-19T01:10:55Z", "ms": 1529370654756.836 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-18T00:25:29-03:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-18T22:10:55-03:00", "utc": "2018-06-19T01:10:55Z", "ms": 1529370654756.836 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-17", "window": { "start": { "local": "2018-06-17T12:30:26-03:00", "utc": "2018-06-17T15:30:26Z", "ms": 1529249426467.7476 }, "end": { "local": "2018-06-17T13:18:26-03:00", "utc": "2018-06-17T16:18:26Z", "ms": 1529252306467.7476 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-06-18", "window": { "start": { "local": "2018-06-18T12:30:40-03:00", "utc": "2018-06-18T15:30:40Z", "ms": 1529335839850.6543 }, "end": { "local": "2018-06-18T13:18:40-03:00", "utc": "2018-06-18T16:18:40Z", "ms": 1529338719850.6543 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 00:25 on Mon 18 Jun to 22:11 on Mon 18 Jun.", "fact": "2018-06-18T03:25:29Z → 2018-06-19T01:10:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 17th, 12:31–13:19 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31935 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Buenos Aires, 2018: Monday 18 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Araṇya Gaurī Vrata 2018 falls on Monday 18 June. Ṣaṣṭhī runs from 00:25 on Mon 18 Jun to 22:11 on Mon 18 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31935, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-06-18T00:25:29-03:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-18T22:10:55-03:00", "utc": "2018-06-19T01:10:55Z", "ms": 1529370654756.836 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-18T00:25:29-03:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-18T22:10:55-03:00", "utc": "2018-06-19T01:10:55Z", "ms": 1529370654756.836 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-17", "window": { "start": { "local": "2018-06-17T12:30:26-03:00", "utc": "2018-06-17T15:30:26Z", "ms": 1529249426467.7476 }, "end": { "local": "2018-06-17T13:18:26-03:00", "utc": "2018-06-17T16:18:26Z", "ms": 1529252306467.7476 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-06-18", "window": { "start": { "local": "2018-06-18T12:30:40-03:00", "utc": "2018-06-18T15:30:40Z", "ms": 1529335839850.6543 }, "end": { "local": "2018-06-18T13:18:40-03:00", "utc": "2018-06-18T16:18:40Z", "ms": 1529338719850.6543 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 00:25 on Mon 18 Jun to 22:11 on Mon 18 Jun.", "fact": "2018-06-18T03:25:29Z → 2018-06-19T01:10:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 17th, 12:31–13:19 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31935 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Buenos Aires, 2018: Monday 18 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2018 falls on Monday 18 June. Ṣaṣṭhī runs from 00:25 on Mon 18 Jun to 22:11 on Mon 18 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-06-23", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38949, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-06-22T18:49:57-03:00", "utc": "2018-06-22T21:49:57Z", "ms": 1529704197153.8113 }, "end": { "local": "2018-06-23T19:22:41-03:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-22T18:49:57-03:00", "utc": "2018-06-22T21:49:57Z", "ms": 1529704197153.8113 }, "end": { "local": "2018-06-23T19:22:41-03:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-06-22", "window": { "start": { "local": "2018-06-22T08:00:48-03:00", "utc": "2018-06-22T11:00:48Z", "ms": 1529665248117.981 }, "end": { "local": "2018-06-22T08:00:48-03:00", "utc": "2018-06-22T11:00:48Z", "ms": 1529665248117.981 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-06-23", "window": { "start": { "local": "2018-06-23T08:00:59-03:00", "utc": "2018-06-23T11:00:59Z", "ms": 1529751658908.295 }, "end": { "local": "2018-06-23T08:00:59-03:00", "utc": "2018-06-23T11:00:59Z", "ms": 1529751658908.295 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:50 on Fri 22 Jun to 19:23 on Sat 23 Jun.", "fact": "2018-06-22T21:49:57Z → 2018-06-23T22:22:41Z" }, { "step": "kaala", "text": "Sunrise is at 08:01 on the 22nd and 08:01 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38949 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Buenos Aires, 2018: Saturday 23 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": "2018-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nirjalā Ekādaśī 2018 falls on Saturday 23 June. Ekādaśī runs from 18:50 on Fri 22 Jun to 19:23 on Sat 23 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-06-23", "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/2018/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21775, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-06-23T19:22:41-03:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 }, "end": { "local": "2018-06-24T20:24:27-03:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-23T19:22:41-03:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 }, "end": { "local": "2018-06-24T20:24:27-03:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-23", "window": { "start": { "local": "2018-06-23T12:31:46-03:00", "utc": "2018-06-23T15:31:46Z", "ms": 1529767906469.8604 }, "end": { "local": "2018-06-23T13:19:46-03:00", "utc": "2018-06-23T16:19:46Z", "ms": 1529770786469.8604 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-06-24", "window": { "start": { "local": "2018-06-24T12:32:00-03:00", "utc": "2018-06-24T15:32:00Z", "ms": 1529854319576.3862 }, "end": { "local": "2018-06-24T13:20:00-03:00", "utc": "2018-06-24T16:20:00Z", "ms": 1529857199576.3862 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:23 on Sat 23 Jun to 20:24 on Sun 24 Jun.", "fact": "2018-06-23T22:22:41Z → 2018-06-24T23:24:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 23rd, 12:32–13:20 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21775 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Buenos Aires, 2018: Sunday 24 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śrī Rāma Dvādaśī 2018 falls on Sunday 24 June. Dvādaśī runs from 19:23 on Sat 23 Jun to 20:24 on Sun 24 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/pradosha-vrata?on=2018-06-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2413, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-06-24T20:24:27-03:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 }, "end": { "local": "2018-06-25T21:52:18-03:00", "utc": "2018-06-26T00:52:18Z", "ms": 1529974338168.3127 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-24T20:24:27-03:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 }, "end": { "local": "2018-06-25T21:52:18-03:00", "utc": "2018-06-26T00:52:18Z", "ms": 1529974338168.3127 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-06-24", "window": { "start": { "local": "2018-06-24T17:50:51-03:00", "utc": "2018-06-24T20:50:51Z", "ms": 1529873450947.8623 }, "end": { "local": "2018-06-24T19:44:14-03:00", "utc": "2018-06-24T22:44:14Z", "ms": 1529880254286.9958 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "2018-06-25", "window": { "start": { "local": "2018-06-25T17:51:09-03:00", "utc": "2018-06-25T20:51:09Z", "ms": 1529959869130.8394 }, "end": { "local": "2018-06-25T19:44:31-03:00", "utc": "2018-06-25T22:44:31Z", "ms": 1529966670880.4138 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:24 on Sun 24 Jun to 21:52 on Mon 25 Jun.", "fact": "2018-06-24T23:24:27Z → 2018-06-26T00:52:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:44 on the 24th, 17:51–19:45 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 113 minutes on the 24th and 113 of 113 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 2413 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2018: Monday 25 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-25", "confidence": "boundary" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2018 falls on Monday 25 June. Trayodaśī runs from 20:24 on Sun 24 Jun to 21:52 on Mon 25 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-06-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14294, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-06-26T23:43:02-03:00", "utc": "2018-06-27T02:43:02Z", "ms": 1530067382433.2666 }, "end": { "local": "2018-06-28T01:52:58-03:00", "utc": "2018-06-28T04:52:58Z", "ms": 1530161578377.593 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-26T23:43:02-03:00", "utc": "2018-06-27T02:43:02Z", "ms": 1530067382433.2666 }, "end": { "local": "2018-06-28T01:52:58-03:00", "utc": "2018-06-28T04:52:58Z", "ms": 1530161578377.593 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-06-26", "window": { "start": { "local": "2018-06-26T17:51:29-03:00", "utc": "2018-06-26T20:51:29Z", "ms": 1530046288555.0317 }, "end": { "local": "2018-06-26T19:44:48-03:00", "utc": "2018-06-26T22:44:48Z", "ms": 1530053088344.3704 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "2018-06-27", "window": { "start": { "local": "2018-06-27T17:51:49-03:00", "utc": "2018-06-27T20:51:49Z", "ms": 1530132709194.4998 }, "end": { "local": "2018-06-27T19:45:07-03:00", "utc": "2018-06-27T22:45:07Z", "ms": 1530139506654.7217 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:43 on Tue 26 Jun to 01:53 on Thu 28 Jun.", "fact": "2018-06-27T02:43:02Z → 2018-06-28T04:52:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:45 on the 26th, 17:52–19:45 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 113 minutes on the 26th and 113 of 113 on the 27th.", "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 14294 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Buenos Aires, 2018: Wednesday 27 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": "2018-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vaṭa Sāvitrī Vrata 2018 falls on Wednesday 27 June. Pūrṇimā runs from 23:43 on Tue 26 Jun to 01:53 on Thu 28 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/sankashta-chaturthi?on=2018-07-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36706, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-07-01T09:24:57-03:00", "utc": "2018-07-01T12:24:57Z", "ms": 1530447896941.8135 }, "end": { "local": "2018-07-02T11:50:56-03:00", "utc": "2018-07-02T14:50:56Z", "ms": 1530543055888.0564 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-01T09:24:57-03:00", "utc": "2018-07-01T12:24:57Z", "ms": 1530447896941.8135 }, "end": { "local": "2018-07-02T11:50:56-03:00", "utc": "2018-07-02T14:50:56Z", "ms": 1530543055888.0564 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-07-01", "window": { "start": { "local": "2018-07-01T21:07:47-03:00", "utc": "2018-07-02T00:07:47Z", "ms": 1530490067023.8867 }, "end": { "local": "2018-07-01T21:07:47-03:00", "utc": "2018-07-02T00:07:47Z", "ms": 1530490067023.8867 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-07-02", "window": { "start": { "local": "2018-07-02T22:02:41-03:00", "utc": "2018-07-03T01:02:41Z", "ms": 1530579761457.9841 }, "end": { "local": "2018-07-02T22:02:41-03:00", "utc": "2018-07-03T01:02:41Z", "ms": 1530579761457.9841 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:25 on Sun 1 Jul to 11:51 on Mon 2 Jul.", "fact": "2018-07-01T12:24:57Z → 2018-07-02T14:50:56Z" }, { "step": "kaala", "text": "Moonrise is at 21:08 on the 1st and 22:03 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 36706 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2018: Sunday 1 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2018 falls on Sunday 1 July. Caturthī runs from 09:25 on Sun 1 Jul to 11:51 on Mon 2 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/ekadashi?on=2018-07-09", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17819, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-07-08T15:00:55-03:00", "utc": "2018-07-08T18:00:55Z", "ms": 1531072855498.0898 }, "end": { "local": "2018-07-09T12:57:19-03:00", "utc": "2018-07-09T15:57:19Z", "ms": 1531151838736.3308 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-08T15:00:55-03:00", "utc": "2018-07-08T18:00:55Z", "ms": 1531072855498.0898 }, "end": { "local": "2018-07-09T12:57:19-03:00", "utc": "2018-07-09T15:57:19Z", "ms": 1531151838736.3308 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-07-08", "window": { "start": { "local": "2018-07-08T08:00:35-03:00", "utc": "2018-07-08T11:00:35Z", "ms": 1531047634559.9495 }, "end": { "local": "2018-07-08T08:00:35-03:00", "utc": "2018-07-08T11:00:35Z", "ms": 1531047634559.9495 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-07-09", "window": { "start": { "local": "2018-07-09T08:00:20-03:00", "utc": "2018-07-09T11:00:20Z", "ms": 1531134020144.242 }, "end": { "local": "2018-07-09T08:00:20-03:00", "utc": "2018-07-09T11:00:20Z", "ms": 1531134020144.242 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:01 on Sun 8 Jul to 12:57 on Mon 9 Jul.", "fact": "2018-07-08T18:00:55Z → 2018-07-09T15:57:19Z" }, { "step": "kaala", "text": "Sunrise is at 08:01 on the 8th and 08:00 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17819 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Buenos Aires, 2018: Monday 9 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Yoginī Ekādaśī 2018 falls on Monday 9 July. Ekādaśī runs from 15:01 on Sun 8 Jul to 12:57 on Mon 9 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-07-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/pradosha-vrata?on=2018-07-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27728, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-07-10T10:15:48-03:00", "utc": "2018-07-10T13:15:48Z", "ms": 1531228547507.056 }, "end": { "local": "2018-07-11T07:04:15-03:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-10T10:15:48-03:00", "utc": "2018-07-10T13:15:48Z", "ms": 1531228547507.056 }, "end": { "local": "2018-07-11T07:04:15-03:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-07-10", "window": { "start": { "local": "2018-07-10T17:57:55-03:00", "utc": "2018-07-10T20:57:55Z", "ms": 1531256275089.104 }, "end": { "local": "2018-07-10T19:50:10-03:00", "utc": "2018-07-10T22:50:10Z", "ms": 1531263009936.1238 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "2018-07-11", "window": { "start": { "local": "2018-07-11T17:58:30-03:00", "utc": "2018-07-11T20:58:30Z", "ms": 1531342709628.831 }, "end": { "local": "2018-07-11T19:50:37-03:00", "utc": "2018-07-11T22:50:37Z", "ms": 1531349437298.5068 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:16 on Tue 10 Jul to 07:04 on Wed 11 Jul.", "fact": "2018-07-10T13:15:48Z → 2018-07-11T10:04:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:50 on the 10th, 17:58–19:51 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 112 of 112 minutes on the 10th and 0 of 112 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 27728 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2018: Tuesday 10 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": "2018-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-10", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2018 falls on Tuesday 10 July. Trayodaśī runs from 10:16 on Tue 10 Jul to 07:04 on Wed 11 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-07-10", "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/2018/shivaratri?on=2018-07-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7726, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-07-11T07:04:15-03:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 }, "end": { "local": "2018-07-12T03:31:44-03:00", "utc": "2018-07-12T06:31:44Z", "ms": 1531377104262.4673 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-11T07:04:15-03:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 }, "end": { "local": "2018-07-12T03:31:44-03:00", "utc": "2018-07-12T06:31:44Z", "ms": 1531377104262.4673 } }, "kaala": "nishita", "days": [ { "local_date": "2018-07-10", "window": { "start": { "local": "2018-07-11T00:34:51-03:00", "utc": "2018-07-11T03:34:51Z", "ms": 1531280090765.4277 }, "end": { "local": "2018-07-11T01:22:51-03:00", "utc": "2018-07-11T04:22:51Z", "ms": 1531282970765.4277 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-11", "window": { "start": { "local": "2018-07-12T00:34:58-03:00", "utc": "2018-07-12T03:34:58Z", "ms": 1531366498390.1157 }, "end": { "local": "2018-07-12T01:22:58-03:00", "utc": "2018-07-12T04:22:58Z", "ms": 1531369378390.1157 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:04 on Wed 11 Jul to 03:32 on Thu 12 Jul.", "fact": "2018-07-11T10:04:15Z → 2018-07-12T06:31:44Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:35–01:23 on the 10th, 00:35–01:23 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 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7726 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2018: Wednesday 11 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": "2018-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2018 falls on Wednesday 11 July. Caturdaśī runs from 07:04 on Wed 11 Jul to 03:32 on Thu 12 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/shivaratri?on=2018-07-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10899, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-07-13T20:02:27-03:00", "utc": "2018-07-13T23:02:27Z", "ms": 1531522947471.4346 }, "end": { "local": "2018-07-14T16:25:09-03:00", "utc": "2018-07-14T19:25:09Z", "ms": 1531596309112.2686 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-13T20:02:27-03:00", "utc": "2018-07-13T23:02:27Z", "ms": 1531522947471.4346 }, "end": { "local": "2018-07-14T16:25:09-03:00", "utc": "2018-07-14T19:25:09Z", "ms": 1531596309112.2686 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-13", "window": { "start": { "local": "2018-07-13T12:35:24-03:00", "utc": "2018-07-13T15:35:24Z", "ms": 1531496123548.906 }, "end": { "local": "2018-07-13T13:23:24-03:00", "utc": "2018-07-13T16:23:24Z", "ms": 1531499003548.906 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-14", "window": { "start": { "local": "2018-07-14T12:35:31-03:00", "utc": "2018-07-14T15:35:31Z", "ms": 1531582530582.436 }, "end": { "local": "2018-07-14T13:23:31-03:00", "utc": "2018-07-14T16:23:31Z", "ms": 1531585410582.436 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 20:02 on Fri 13 Jul to 16:25 on Sat 14 Jul.", "fact": "2018-07-13T23:02:27Z → 2018-07-14T19:25:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 13th, 12:36–13:24 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 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10899 s" }, { "step": "ruling", "text": "Rathayātrā, Buenos Aires, 2018: Saturday 14 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rathayātrā 2018 falls on Saturday 14 July. Dvitīyā runs from 20:02 on Fri 13 Jul to 16:25 on Sat 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vinayaka-chaturthi?on=2018-07-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1109, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-07-15T13:05:08-03:00", "utc": "2018-07-15T16:05:08Z", "ms": 1531670708407.4592 }, "end": { "local": "2018-07-16T10:10:50-03:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-15T13:05:08-03:00", "utc": "2018-07-15T16:05:08Z", "ms": 1531670708407.4592 }, "end": { "local": "2018-07-16T10:10:50-03:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-15", "window": { "start": { "local": "2018-07-15T12:35:37-03:00", "utc": "2018-07-15T15:35:37Z", "ms": 1531668937107.1543 }, "end": { "local": "2018-07-15T13:23:37-03:00", "utc": "2018-07-15T16:23:37Z", "ms": 1531671817107.1543 } }, "covered_min": 18, "window_min": 48, "qualifies": true }, { "local_date": "2018-07-16", "window": { "start": { "local": "2018-07-16T12:35:43-03:00", "utc": "2018-07-16T15:35:43Z", "ms": 1531755343105.1606 }, "end": { "local": "2018-07-16T13:23:43-03:00", "utc": "2018-07-16T16:23:43Z", "ms": 1531758223105.1606 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:05 on Sun 15 Jul to 10:11 on Mon 16 Jul.", "fact": "2018-07-15T16:05:08Z → 2018-07-16T13:10:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 15th, 12:36–13:24 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 18 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 1109 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2018: Sunday 15 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2018 falls on Sunday 15 July. Caturthī runs from 13:05 on Sun 15 Jul to 10:11 on Mon 16 Jul and covers 18 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/vinayaka-chaturthi?on=2018-07-15", "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/2018/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8693, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-07-16T10:10:50-03:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 }, "end": { "local": "2018-07-17T07:49:28-03:00", "utc": "2018-07-17T10:49:28Z", "ms": 1531824567727.6724 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-16T10:10:50-03:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 }, "end": { "local": "2018-07-17T07:49:28-03:00", "utc": "2018-07-17T10:49:28Z", "ms": 1531824567727.6724 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-16", "window": { "start": { "local": "2018-07-16T12:35:43-03:00", "utc": "2018-07-16T15:35:43Z", "ms": 1531755343105.1606 }, "end": { "local": "2018-07-16T13:23:43-03:00", "utc": "2018-07-16T16:23:43Z", "ms": 1531758223105.1606 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-07-17", "window": { "start": { "local": "2018-07-17T12:35:49-03:00", "utc": "2018-07-17T15:35:49Z", "ms": 1531841748560.71 }, "end": { "local": "2018-07-17T13:23:49-03:00", "utc": "2018-07-17T16:23:49Z", "ms": 1531844628560.71 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:11 on Mon 16 Jul to 07:49 on Tue 17 Jul.", "fact": "2018-07-16T13:10:50Z → 2018-07-17T10:49:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 16th, 12:36–13:24 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8693 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Buenos Aires, 2018: Monday 16 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Skanda Pañcamī 2018 falls on Monday 16 July. Pañcamī runs from 10:11 on Mon 16 Jul to 07:49 on Tue 17 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23351, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-07-18T06:06:42-03:00", "utc": "2018-07-18T09:06:42Z", "ms": 1531904802010.8564 }, "end": { "local": "2018-07-19T05:06:10-03:00", "utc": "2018-07-19T08:06:10Z", "ms": 1531987570193.0781 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-18T06:06:42-03:00", "utc": "2018-07-18T09:06:42Z", "ms": 1531904802010.8564 }, "end": { "local": "2018-07-19T05:06:10-03:00", "utc": "2018-07-19T08:06:10Z", "ms": 1531987570193.0781 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-18", "window": { "start": { "local": "2018-07-18T12:35:53-03:00", "utc": "2018-07-18T15:35:53Z", "ms": 1531928153460.2935 }, "end": { "local": "2018-07-18T13:23:53-03:00", "utc": "2018-07-18T16:23:53Z", "ms": 1531931033460.2935 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-07-19", "window": { "start": { "local": "2018-07-19T12:35:58-03:00", "utc": "2018-07-19T15:35:58Z", "ms": 1532014557792.508 }, "end": { "local": "2018-07-19T13:23:58-03:00", "utc": "2018-07-19T16:23:58Z", "ms": 1532017437792.508 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:07 on Wed 18 Jul to 05:06 on Thu 19 Jul.", "fact": "2018-07-18T09:06:42Z → 2018-07-19T08:06:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 18th, 12:36–13:24 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23351 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Buenos Aires, 2018: Wednesday 18 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vivasvat Saptamī 2018 falls on Wednesday 18 July. Saptamī runs from 06:07 on Wed 18 Jul to 05:06 on Thu 19 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-07-22", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-22", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 14, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-07-22T06:17:42-03:00", "utc": "2018-07-22T09:17:42Z", "ms": 1532251061609.5364 }, "end": { "local": "2018-07-23T07:53:54-03:00", "utc": "2018-07-23T10:53:54Z", "ms": 1532343233843.25 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-22T06:17:42-03:00", "utc": "2018-07-22T09:17:42Z", "ms": 1532251061609.5364 }, "end": { "local": "2018-07-23T07:53:54-03:00", "utc": "2018-07-23T10:53:54Z", "ms": 1532343233843.25 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-07-22", "window": { "start": { "local": "2018-07-22T07:54:45-03:00", "utc": "2018-07-22T10:54:45Z", "ms": 1532256885074.047 }, "end": { "local": "2018-07-22T07:54:45-03:00", "utc": "2018-07-22T10:54:45Z", "ms": 1532256885074.047 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-07-23", "window": { "start": { "local": "2018-07-23T07:54:08-03:00", "utc": "2018-07-23T10:54:08Z", "ms": 1532343248124.3562 }, "end": { "local": "2018-07-23T07:54:08-03:00", "utc": "2018-07-23T10:54:08Z", "ms": 1532343248124.3562 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:18 on Sun 22 Jul to 07:54 on Mon 23 Jul.", "fact": "2018-07-22T09:17:42Z → 2018-07-23T10:53:54Z" }, { "step": "kaala", "text": "Sunrise is at 07:55 on the 22nd and 07:54 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14 s < 300 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Buenos Aires, 2018: Sunday 22 July.", "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": "2018-07-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-23", "confidence": "boundary" } ], "quote": "In Buenos Aires, Hariśayanī Ekādaśī 2018 falls on Sunday 22 July. Ekādaśī runs from 06:18 on Sun 22 Jul to 07:54 on Mon 23 Jul and is current at sunrise that day. It is 0 min 14 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-07-22", "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/2018/pradosha-vrata?on=2018-07-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21102, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-07-24T09:55:48-03:00", "utc": "2018-07-24T12:55:48Z", "ms": 1532436948495.6292 }, "end": { "local": "2018-07-25T12:15:51-03:00", "utc": "2018-07-25T15:15:51Z", "ms": 1532531751260.3157 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-24T09:55:48-03:00", "utc": "2018-07-24T12:55:48Z", "ms": 1532436948495.6292 }, "end": { "local": "2018-07-25T12:15:51-03:00", "utc": "2018-07-25T15:15:51Z", "ms": 1532531751260.3157 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-07-24", "window": { "start": { "local": "2018-07-24T18:06:52-03:00", "utc": "2018-07-24T21:06:52Z", "ms": 1532466411683.1064 }, "end": { "local": "2018-07-24T19:56:59-03:00", "utc": "2018-07-24T22:56:59Z", "ms": 1532473019412.0085 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "2018-07-25", "window": { "start": { "local": "2018-07-25T18:07:33-03:00", "utc": "2018-07-25T21:07:33Z", "ms": 1532552853235.1304 }, "end": { "local": "2018-07-25T19:57:30-03:00", "utc": "2018-07-25T22:57:30Z", "ms": 1532559449892.319 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:56 on Tue 24 Jul to 12:16 on Wed 25 Jul.", "fact": "2018-07-24T12:55:48Z → 2018-07-25T15:15:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:57 on the 24th, 18:08–19:57 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 110 of 110 minutes on the 24th and 0 of 110 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 21102 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2018: Tuesday 24 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": "2018-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-24", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2018 falls on Tuesday 24 July. Trayodaśī runs from 09:56 on Tue 24 Jul to 12:16 on Wed 25 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-07-24", "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/2018/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-26", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2916, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T14:46:28-03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T17:20:21-03:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-26T14:46:28-03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T17:20:21-03:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-07-26", "window": { "start": { "local": "2018-07-26T16:05:02-03:00", "utc": "2018-07-26T19:05:02Z", "ms": 1532631901688.2373 }, "end": { "local": "2018-07-26T18:08:15-03:00", "utc": "2018-07-26T21:08:15Z", "ms": 1532639295069.2854 } }, "covered_min": 123, "window_min": 123, "qualifies": true }, { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T16:05:27-03:00", "utc": "2018-07-27T19:05:27Z", "ms": 1532718326771.7212 }, "end": { "local": "2018-07-27T18:08:57-03:00", "utc": "2018-07-27T21:08:57Z", "ms": 1532725737163.026 } }, "covered_min": 75, "window_min": 124, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul.", "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:05–18:08 on the 26th, 16:05–18:09 on the 27th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 123 of 123 minutes on the 26th and 75 of 124 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2916 s" }, { "step": "ruling", "text": "Kokilā Vrata, Buenos Aires, 2018: Thursday 26 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "kokila-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-26", "confidence": "boundary" } ], "quote": "In Buenos Aires, Kokilā Vrata 2018 falls on Thursday 26 July. Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul and covers all of sāyāhna that late afternoon. It also reaches the next late afternoon for 75 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/2018/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/2018/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2916, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T14:46:28-03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T17:20:21-03:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-26T14:46:28-03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T17:20:21-03:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-07-26", "window": { "start": { "local": "2018-07-26T18:08:15-03:00", "utc": "2018-07-26T21:08:15Z", "ms": 1532639295069.2854 }, "end": { "local": "2018-07-26T19:58:00-03:00", "utc": "2018-07-26T22:58:00Z", "ms": 1532645880420.9143 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T18:08:57-03:00", "utc": "2018-07-27T21:08:57Z", "ms": 1532725737163.026 }, "end": { "local": "2018-07-27T19:58:31-03:00", "utc": "2018-07-27T22:58:31Z", "ms": 1532732310981.1072 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul.", "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:58 on the 26th, 18:09–19:59 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 110 of 110 minutes on the 26th and 0 of 110 on the 27th.", "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 2916 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Buenos Aires, 2018: Thursday 26 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": "2018-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-26", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śiva Śayanotsava 2018 falls on Thursday 26 July. Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17466, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T14:46:28-03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T17:20:21-03:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-26T14:46:28-03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T17:20:21-03:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "udaya-3", "days": [ { "local_date": "2018-07-26", "window": { "start": { "local": "2018-07-26T07:52:08-03:00", "utc": "2018-07-26T10:52:08Z", "ms": 1532602328164.0452 }, "end": { "local": "2018-07-26T09:55:22-03:00", "utc": "2018-07-26T12:55:22Z", "ms": 1532609721545.0933 } }, "covered_min": 0, "window_min": 123, "qualifies": false }, { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T07:51:25-03:00", "utc": "2018-07-27T10:51:25Z", "ms": 1532688685206.5027 }, "end": { "local": "2018-07-27T09:54:56-03:00", "utc": "2018-07-27T12:54:56Z", "ms": 1532696095597.8074 } }, "covered_min": 124, "window_min": 124, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul.", "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 07:52–09:55 on the 26th, 07:51–09:55 on the 27th.", "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 123 minutes on the 26th and 124 of 124 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17466 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Buenos Aires, 2018: Friday 27 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vyasa-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "udaya-3", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vyāsa Pūjā 2018 falls on Friday 27 July. Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4936, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T14:46:28-03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T17:20:21-03:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-26T14:46:28-03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T17:20:21-03:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-26", "window": { "start": { "local": "2018-07-26T12:36:12-03:00", "utc": "2018-07-26T15:36:12Z", "ms": 1532619371616.6653 }, "end": { "local": "2018-07-26T13:24:12-03:00", "utc": "2018-07-26T16:24:12Z", "ms": 1532622251616.6653 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T12:36:11-03:00", "utc": "2018-07-27T15:36:11Z", "ms": 1532705771184.7642 }, "end": { "local": "2018-07-27T13:24:11-03:00", "utc": "2018-07-27T16:24:11Z", "ms": 1532708651184.7642 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul.", "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 26th, 12:36–13:24 on the 27th.", "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 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4936 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Buenos Aires, 2018: Friday 27 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": "2018-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Guru Pūrṇimā 2018 falls on Friday 27 July. Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2878, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-07-28T19:50:36-03:00", "utc": "2018-07-28T22:50:36Z", "ms": 1532818236014.6 }, "end": { "local": "2018-07-29T22:10:30-03:00", "utc": "2018-07-30T01:10:30Z", "ms": 1532913030286.5576 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-07-28T19:50:36-03:00", "utc": "2018-07-28T22:50:36Z", "ms": 1532818236014.6 }, "end": { "local": "2018-07-29T22:10:30-03:00", "utc": "2018-07-30T01:10:30Z", "ms": 1532913030286.5576 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-07-28", "window": { "start": { "local": "2018-07-28T19:02:38-03:00", "utc": "2018-07-28T22:02:38Z", "ms": 1532815357560.9202 }, "end": { "local": "2018-07-28T19:02:38-03:00", "utc": "2018-07-28T22:02:38Z", "ms": 1532815357560.9202 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-07-29", "window": { "start": { "local": "2018-07-29T19:57:27-03:00", "utc": "2018-07-29T22:57:27Z", "ms": 1532905047105.4084 }, "end": { "local": "2018-07-29T19:57:27-03:00", "utc": "2018-07-29T22:57:27Z", "ms": 1532905047105.4084 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 19:51 on Sat 28 Jul to 22:11 on Sun 29 Jul.", "fact": "2018-07-28T22:50:36Z → 2018-07-30T01:10:30Z" }, { "step": "kaala", "text": "Moonrise is at 19:03 on the 28th and 19:57 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 28th and is on the 29th.", "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 2878 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Buenos Aires, 2018: Sunday 29 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": "2018-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Aśūnya Śayana Vrata (Āṣāḍha) 2018 falls on Sunday 29 July. Dvitīyā runs from 19:51 on Sat 28 Jul to 22:11 on Sun 29 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/sankashta-chaturthi?on=2018-07-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12040, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-07-31T00:13:28-03:00", "utc": "2018-07-31T03:13:28Z", "ms": 1533006808308.9995 }, "end": { "local": "2018-08-01T01:53:02-03:00", "utc": "2018-08-01T04:53:02Z", "ms": 1533099182069.5957 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-07-31T00:13:28-03:00", "utc": "2018-07-31T03:13:28Z", "ms": 1533006808308.9995 }, "end": { "local": "2018-08-01T01:53:02-03:00", "utc": "2018-08-01T04:53:02Z", "ms": 1533099182069.5957 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-07-30", "window": { "start": { "local": "2018-07-30T20:52:49-03:00", "utc": "2018-07-30T23:52:49Z", "ms": 1532994768761.5798 }, "end": { "local": "2018-07-30T20:52:49-03:00", "utc": "2018-07-30T23:52:49Z", "ms": 1532994768761.5798 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-07-31", "window": { "start": { "local": "2018-07-31T21:48:38-03:00", "utc": "2018-08-01T00:48:38Z", "ms": 1533084518080.628 }, "end": { "local": "2018-07-31T21:48:38-03:00", "utc": "2018-08-01T00:48:38Z", "ms": 1533084518080.628 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:13 on Tue 31 Jul to 01:53 on Wed 1 Aug.", "fact": "2018-07-31T03:13:28Z → 2018-08-01T04:53:02Z" }, { "step": "kaala", "text": "Moonrise is at 20:53 on the 30th and 21:49 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 12040 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2018: Tuesday 31 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-31", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 31 July. Caturthī runs from 00:13 on Tue 31 Jul to 01:53 on Wed 1 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/ekadashi?on=2018-08-07", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29956, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-08-06T23:22:46-03:00", "utc": "2018-08-07T02:22:46Z", "ms": 1533608566254.9343 }, "end": { "local": "2018-08-07T20:45:39-03:00", "utc": "2018-08-07T23:45:39Z", "ms": 1533685539432.0996 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-06T23:22:46-03:00", "utc": "2018-08-07T02:22:46Z", "ms": 1533608566254.9343 }, "end": { "local": "2018-08-07T20:45:39-03:00", "utc": "2018-08-07T23:45:39Z", "ms": 1533685539432.0996 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-08-07", "window": { "start": { "local": "2018-08-07T07:42:02-03:00", "utc": "2018-08-07T10:42:02Z", "ms": 1533638521980.9512 }, "end": { "local": "2018-08-07T07:42:02-03:00", "utc": "2018-08-07T10:42:02Z", "ms": 1533638521980.9512 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-08", "window": { "start": { "local": "2018-08-08T07:41:03-03:00", "utc": "2018-08-08T10:41:03Z", "ms": 1533724863143.199 }, "end": { "local": "2018-08-08T07:41:03-03:00", "utc": "2018-08-08T10:41:03Z", "ms": 1533724863143.199 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:23 on Mon 6 Aug to 20:46 on Tue 7 Aug.", "fact": "2018-08-07T02:22:46Z → 2018-08-07T23:45:39Z" }, { "step": "kaala", "text": "Sunrise is at 07:42 on the 7th and 07:41 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29956 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Buenos Aires, 2018: Tuesday 7 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": "2018-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kāmikā Ekādaśī 2018 falls on Tuesday 7 August. Ekādaśī runs from 23:23 on Mon 6 Aug to 20:46 on Tue 7 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-08-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/pradosha-vrata?on=2018-08-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2215, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-08-08T17:40:41-03:00", "utc": "2018-08-08T20:40:41Z", "ms": 1533760840773.168 }, "end": { "local": "2018-08-09T14:15:17-03:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-08T17:40:41-03:00", "utc": "2018-08-08T20:40:41Z", "ms": 1533760840773.168 }, "end": { "local": "2018-08-09T14:15:17-03:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-08-08", "window": { "start": { "local": "2018-08-08T18:17:36-03:00", "utc": "2018-08-08T21:17:36Z", "ms": 1533763055565.698 }, "end": { "local": "2018-08-08T20:04:35-03:00", "utc": "2018-08-08T23:04:35Z", "ms": 1533769475241.3796 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "2018-08-09", "window": { "start": { "local": "2018-08-09T18:18:19-03:00", "utc": "2018-08-09T21:18:19Z", "ms": 1533849499347.216 }, "end": { "local": "2018-08-09T20:05:05-03:00", "utc": "2018-08-09T23:05:05Z", "ms": 1533855905030.5916 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:41 on Wed 8 Aug to 14:15 on Thu 9 Aug.", "fact": "2018-08-08T20:40:41Z → 2018-08-09T17:15:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–20:05 on the 8th, 18:18–20:05 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 107 of 107 minutes on the 8th and 0 of 107 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 2215 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2018: Wednesday 8 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": "2018-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-08", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2018 falls on Wednesday 8 August. Trayodaśī runs from 17:41 on Wed 8 Aug to 14:15 on Thu 9 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/shivaratri?on=2018-08-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33315, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-08-09T14:15:17-03:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 }, "end": { "local": "2018-08-10T10:37:56-03:00", "utc": "2018-08-10T13:37:56Z", "ms": 1533908275865.642 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-09T14:15:17-03:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 }, "end": { "local": "2018-08-10T10:37:56-03:00", "utc": "2018-08-10T13:37:56Z", "ms": 1533908275865.642 } }, "kaala": "nishita", "days": [ { "local_date": "2018-08-08", "window": { "start": { "local": "2018-08-09T00:34:49-03:00", "utc": "2018-08-09T03:34:49Z", "ms": 1533785689349.5044 }, "end": { "local": "2018-08-09T01:22:49-03:00", "utc": "2018-08-09T04:22:49Z", "ms": 1533788569349.5044 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-08-09", "window": { "start": { "local": "2018-08-10T00:34:41-03:00", "utc": "2018-08-10T03:34:41Z", "ms": 1533872080659.874 }, "end": { "local": "2018-08-10T01:22:41-03:00", "utc": "2018-08-10T04:22:41Z", "ms": 1533874960659.874 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:15 on Thu 9 Aug to 10:38 on Fri 10 Aug.", "fact": "2018-08-09T17:15:17Z → 2018-08-10T13:37:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:35–01:23 on the 8th, 00:35–01:23 on the 9th.", "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 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33315 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2018: Thursday 9 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": "2018-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2018 falls on Thursday 9 August. Caturdaśī runs from 14:15 on Thu 9 Aug to 10:38 on Fri 10 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/shivaratri?on=2018-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28367, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-08-13T00:06:58-03:00", "utc": "2018-08-13T03:06:58Z", "ms": 1534129618204.2227 }, "end": { "local": "2018-08-13T21:15:20-03:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-13T00:06:58-03:00", "utc": "2018-08-13T03:06:58Z", "ms": 1534129618204.2227 }, "end": { "local": "2018-08-13T21:15:20-03:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-12", "window": { "start": { "local": "2018-08-12T12:34:43-03:00", "utc": "2018-08-12T15:34:43Z", "ms": 1534088083473.118 }, "end": { "local": "2018-08-12T13:22:43-03:00", "utc": "2018-08-12T16:22:43Z", "ms": 1534090963473.118 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-08-13", "window": { "start": { "local": "2018-08-13T12:34:33-03:00", "utc": "2018-08-13T15:34:33Z", "ms": 1534174473081.886 }, "end": { "local": "2018-08-13T13:22:33-03:00", "utc": "2018-08-13T16:22:33Z", "ms": 1534177353081.886 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:07 on Mon 13 Aug to 21:15 on Mon 13 Aug.", "fact": "2018-08-13T03:06:58Z → 2018-08-14T00:15:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 12th, 12:35–13:23 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28367 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Buenos Aires, 2018: Monday 13 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": "2018-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Madhusravā Tṛtīyā (Hariyali Teej) 2018 falls on Monday 13 August. Tṛtīyā runs from 00:07 on Mon 13 Aug to 21:15 on Mon 13 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vinayaka-chaturthi?on=2018-08-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20130, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-08-13T21:15:20-03:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 }, "end": { "local": "2018-08-14T18:57:52-03:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-13T21:15:20-03:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 }, "end": { "local": "2018-08-14T18:57:52-03:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-13", "window": { "start": { "local": "2018-08-13T12:34:33-03:00", "utc": "2018-08-13T15:34:33Z", "ms": 1534174473081.886 }, "end": { "local": "2018-08-13T13:22:33-03:00", "utc": "2018-08-13T16:22:33Z", "ms": 1534177353081.886 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-08-14", "window": { "start": { "local": "2018-08-14T12:34:22-03:00", "utc": "2018-08-14T15:34:22Z", "ms": 1534260862128.6482 }, "end": { "local": "2018-08-14T13:22:22-03:00", "utc": "2018-08-14T16:22:22Z", "ms": 1534263742128.6482 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:15 on Mon 13 Aug to 18:58 on Tue 14 Aug.", "fact": "2018-08-14T00:15:20Z → 2018-08-14T21:57:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 13th, 12:34–13:22 on the 14th.", "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 13th and 48 of 48 on the 14th.", "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 20130 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2018: Tuesday 14 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": "2018-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2018 falls on Tuesday 14 August. Caturthī runs from 21:15 on Mon 13 Aug to 18:58 on Tue 14 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/vinayaka-chaturthi?on=2018-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14377, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-08-14T18:57:52-03:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 }, "end": { "local": "2018-08-15T17:21:48-03:00", "utc": "2018-08-15T20:21:48Z", "ms": 1534364507531.6821 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-14T18:57:52-03:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 }, "end": { "local": "2018-08-15T17:21:48-03:00", "utc": "2018-08-15T20:21:48Z", "ms": 1534364507531.6821 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-14", "window": { "start": { "local": "2018-08-14T12:34:22-03:00", "utc": "2018-08-14T15:34:22Z", "ms": 1534260862128.6482 }, "end": { "local": "2018-08-14T13:22:22-03:00", "utc": "2018-08-14T16:22:22Z", "ms": 1534263742128.6482 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-08-15", "window": { "start": { "local": "2018-08-15T12:34:11-03:00", "utc": "2018-08-15T15:34:11Z", "ms": 1534347250619.3306 }, "end": { "local": "2018-08-15T13:22:11-03:00", "utc": "2018-08-15T16:22:11Z", "ms": 1534350130619.3306 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:58 on Tue 14 Aug to 17:22 on Wed 15 Aug.", "fact": "2018-08-14T21:57:52Z → 2018-08-15T20:21:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 14th, 12:34–13:22 on the 15th.", "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 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14377 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Buenos Aires, 2018: Wednesday 15 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": "2018-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nāga Pañcamī 2018 falls on Wednesday 15 August. Pañcamī runs from 18:58 on Tue 14 Aug to 17:22 on Wed 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-08-21", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29683, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-08-20T20:46:44-03:00", "utc": "2018-08-20T23:46:44Z", "ms": 1534808803761.1855 }, "end": { "local": "2018-08-21T23:10:43-03:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-20T20:46:44-03:00", "utc": "2018-08-20T23:46:44Z", "ms": 1534808803761.1855 }, "end": { "local": "2018-08-21T23:10:43-03:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-08-21", "window": { "start": { "local": "2018-08-21T07:26:40-03:00", "utc": "2018-08-21T10:26:40Z", "ms": 1534847199503.54 }, "end": { "local": "2018-08-21T07:26:40-03:00", "utc": "2018-08-21T10:26:40Z", "ms": 1534847199503.54 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-22", "window": { "start": { "local": "2018-08-22T07:25:26-03:00", "utc": "2018-08-22T10:25:26Z", "ms": 1534933526327.3262 }, "end": { "local": "2018-08-22T07:25:26-03:00", "utc": "2018-08-22T10:25:26Z", "ms": 1534933526327.3262 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:47 on Mon 20 Aug to 23:11 on Tue 21 Aug.", "fact": "2018-08-20T23:46:44Z → 2018-08-22T02:10:43Z" }, { "step": "kaala", "text": "Sunrise is at 07:27 on the 21st and 07:25 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 29683 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Buenos Aires, 2018: Tuesday 21 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": "2018-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Putradā Ekādaśī 2018 falls on Tuesday 21 August. Ekādaśī runs from 20:47 on Mon 20 Aug to 23:11 on Tue 21 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-08-21", "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/2018/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35393, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-08-21T23:10:43-03:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 }, "end": { "local": "2018-08-23T01:45:39-03:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-21T23:10:43-03:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 }, "end": { "local": "2018-08-23T01:45:39-03:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-21", "window": { "start": { "local": "2018-08-21T12:32:50-03:00", "utc": "2018-08-21T15:32:50Z", "ms": 1534865570421.8154 }, "end": { "local": "2018-08-21T13:20:50-03:00", "utc": "2018-08-21T16:20:50Z", "ms": 1534868450421.8154 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-08-22", "window": { "start": { "local": "2018-08-22T12:32:35-03:00", "utc": "2018-08-22T15:32:35Z", "ms": 1534951955314.5522 }, "end": { "local": "2018-08-22T13:20:35-03:00", "utc": "2018-08-22T16:20:35Z", "ms": 1534954835314.5522 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:11 on Tue 21 Aug to 01:46 on Thu 23 Aug.", "fact": "2018-08-22T02:10:43Z → 2018-08-23T04:45:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 21st, 12:33–13:21 on the 22nd.", "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 21st and 48 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: purvaviddha → only-day · margin 35393 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Buenos Aires, 2018: Wednesday 22 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": "2018-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-22", "confidence": "determinate" } ], "quote": "In Buenos Aires, Dāmodara Dvādaśī 2018 falls on Wednesday 22 August. Dvādaśī runs from 23:11 on Tue 21 Aug to 01:46 on Thu 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/pradosha-vrata?on=2018-08-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20063, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-08-23T01:45:39-03:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 }, "end": { "local": "2018-08-24T04:20:36-03:00", "utc": "2018-08-24T07:20:36Z", "ms": 1535095236341.8088 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-23T01:45:39-03:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 }, "end": { "local": "2018-08-24T04:20:36-03:00", "utc": "2018-08-24T07:20:36Z", "ms": 1535095236341.8088 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-08-22", "window": { "start": { "local": "2018-08-22T18:27:44-03:00", "utc": "2018-08-22T21:27:44Z", "ms": 1534973264301.7786 }, "end": { "local": "2018-08-22T20:11:16-03:00", "utc": "2018-08-22T23:11:16Z", "ms": 1534979476038.4456 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "2018-08-23", "window": { "start": { "local": "2018-08-23T18:28:27-03:00", "utc": "2018-08-23T21:28:27Z", "ms": 1535059707170.8252 }, "end": { "local": "2018-08-23T20:11:43-03:00", "utc": "2018-08-23T23:11:43Z", "ms": 1535065903218.9233 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:46 on Thu 23 Aug to 04:21 on Fri 24 Aug.", "fact": "2018-08-23T04:45:39Z → 2018-08-24T07:20:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–20:11 on the 22nd, 18:28–20:12 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 104 minutes on the 22nd and 103 of 103 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 20063 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2018: Thursday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2018 falls on Thursday 23 August. Trayodaśī runs from 01:46 on Thu 23 Aug to 04:21 on Fri 24 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-08-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-25", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 5745, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-08-25T06:46:26-03:00", "utc": "2018-08-25T09:46:26Z", "ms": 1535190385809.455 }, "end": { "local": "2018-08-26T08:56:10-03:00", "utc": "2018-08-26T11:56:10Z", "ms": 1535284570466.9868 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2018-08-25T19:53:40-03:00", "utc": "2018-08-25T22:53:40Z", "ms": 1535237619577.8662 }, "end": { "local": "2018-08-26T08:56:10-03:00", "utc": "2018-08-26T11:56:10Z", "ms": 1535284570466.9868 } }, "kaala": "day", "days": [ { "local_date": "2018-08-25", "window": { "start": { "local": "2018-08-25T07:21:42-03:00", "utc": "2018-08-25T10:21:42Z", "ms": 1535192501971.4932 }, "end": { "local": "2018-08-26T07:20:26-03:00", "utc": "2018-08-26T10:20:26Z", "ms": 1535278825676.5212 } }, "covered_min": 687, "window_min": 1439, "qualifies": true }, { "local_date": "2018-08-26", "window": { "start": { "local": "2018-08-26T07:20:26-03:00", "utc": "2018-08-26T10:20:26Z", "ms": 1535278825676.5212 }, "end": { "local": "2018-08-27T07:19:09-03:00", "utc": "2018-08-27T10:19:09Z", "ms": 1535365148676.6614 } }, "covered_min": 96, "window_min": 1439, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:46 on Sat 25 Aug to 08:56 on Sun 26 Aug. Its second half begins at 19:54 on Sat 25 Aug.", "fact": "2018-08-25T09:46:26Z → 2018-08-26T11:56:10Z · second half from 2018-08-25T22:53:40Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 07:22 on the 25th, and from 07:20 on the 26th.", "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 687 of 1439 minutes on the 25th and 96 of 1439 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 5745 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Buenos Aires, 2018: Saturday 25 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-25", "confidence": "boundary" } ], "quote": "In Buenos Aires, Rakṣā Bandhana (Rakhi) 2018 falls on Saturday 25 August. The second half of Pūrṇimā runs from 19:54 on Sat 25 Aug to 08:56 on Sun 26 Aug and falls on two days: 687 minutes of it on the 25th, 96 on the 26th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12920, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-08-25T06:46:26-03:00", "utc": "2018-08-25T09:46:26Z", "ms": 1535190385809.455 }, "end": { "local": "2018-08-26T08:56:10-03:00", "utc": "2018-08-26T11:56:10Z", "ms": 1535284570466.9868 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-25T06:46:26-03:00", "utc": "2018-08-25T09:46:26Z", "ms": 1535190385809.455 }, "end": { "local": "2018-08-26T08:56:10-03:00", "utc": "2018-08-26T11:56:10Z", "ms": 1535284570466.9868 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-25", "window": { "start": { "local": "2018-08-25T12:31:47-03:00", "utc": "2018-08-25T15:31:47Z", "ms": 1535211107308.055 }, "end": { "local": "2018-08-25T13:19:47-03:00", "utc": "2018-08-25T16:19:47Z", "ms": 1535213987308.055 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-26", "window": { "start": { "local": "2018-08-26T12:31:30-03:00", "utc": "2018-08-26T15:31:30Z", "ms": 1535297490467.791 }, "end": { "local": "2018-08-26T13:19:30-03:00", "utc": "2018-08-26T16:19:30Z", "ms": 1535300370467.791 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:46 on Sat 25 Aug to 08:56 on Sun 26 Aug.", "fact": "2018-08-25T09:46:26Z → 2018-08-26T11:56:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 25th, 12:32–13:20 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 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12920 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Buenos Aires, 2018: Saturday 25 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": "2018-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ṛṣi Tarpaṇa 2018 falls on Saturday 25 August. Pūrṇimā runs from 06:46 on Sat 25 Aug to 08:56 on Sun 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30627, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-08-27T10:45:01-03:00", "utc": "2018-08-27T13:45:01Z", "ms": 1535377500654.6133 }, "end": { "local": "2018-08-28T12:09:47-03:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-08-27T10:45:01-03:00", "utc": "2018-08-27T13:45:01Z", "ms": 1535377500654.6133 }, "end": { "local": "2018-08-28T12:09:47-03:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-08-27", "window": { "start": { "local": "2018-08-27T19:43:35-03:00", "utc": "2018-08-27T22:43:35Z", "ms": 1535409815000.5789 }, "end": { "local": "2018-08-27T19:43:35-03:00", "utc": "2018-08-27T22:43:35Z", "ms": 1535409815000.5789 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-28", "window": { "start": { "local": "2018-08-28T20:40:14-03:00", "utc": "2018-08-28T23:40:14Z", "ms": 1535499614454.3513 }, "end": { "local": "2018-08-28T20:40:14-03:00", "utc": "2018-08-28T23:40:14Z", "ms": 1535499614454.3513 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:45 on Mon 27 Aug to 12:10 on Tue 28 Aug.", "fact": "2018-08-27T13:45:01Z → 2018-08-28T15:09:47Z" }, { "step": "kaala", "text": "Moonrise is at 19:44 on the 27th and 20:40 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30627 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Buenos Aires, 2018: Monday 27 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Aśūnya Śayana Vrata 2018 falls on Monday 27 August. Dvitīyā runs from 10:45 on Mon 27 Aug to 12:10 on Tue 28 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 611, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-08-28T12:09:47-03:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 }, "end": { "local": "2018-08-29T13:08:27-03:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-08-28T12:09:47-03:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 }, "end": { "local": "2018-08-29T13:08:27-03:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-28", "window": { "start": { "local": "2018-08-28T12:30:56-03:00", "utc": "2018-08-28T15:30:56Z", "ms": 1535470255638.4705 }, "end": { "local": "2018-08-28T13:18:56-03:00", "utc": "2018-08-28T16:18:56Z", "ms": 1535473135638.4705 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-29", "window": { "start": { "local": "2018-08-29T12:30:38-03:00", "utc": "2018-08-29T15:30:38Z", "ms": 1535556637687.0713 }, "end": { "local": "2018-08-29T13:18:38-03:00", "utc": "2018-08-29T16:18:38Z", "ms": 1535559517687.0713 } }, "covered_min": 38, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:10 on Tue 28 Aug to 13:08 on Wed 29 Aug.", "fact": "2018-08-28T15:09:47Z → 2018-08-29T16:08:27Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 38 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 611 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Buenos Aires, 2018: Wednesday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kajjalī Tṛtīyā (Kajari Teej) 2018 falls on Wednesday 29 August. Tṛtīyā runs from 12:10 on Tue 28 Aug to 13:08 on Wed 29 Aug and covers 38 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9494, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-08-29T13:08:27-03:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T13:39:33-03:00", "utc": "2018-08-30T16:39:33Z", "ms": 1535647172769.437 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-08-29T13:08:27-03:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T13:39:33-03:00", "utc": "2018-08-30T16:39:33Z", "ms": 1535647172769.437 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-08-29", "window": { "start": { "local": "2018-08-29T16:17:29-03:00", "utc": "2018-08-29T19:17:29Z", "ms": 1535570248689.9211 }, "end": { "local": "2018-08-29T18:32:43-03:00", "utc": "2018-08-29T21:32:43Z", "ms": 1535578362691.821 } }, "covered_min": 135, "window_min": 135, "qualifies": true }, { "local_date": "2018-08-30", "window": { "start": { "local": "2018-08-30T16:17:47-03:00", "utc": "2018-08-30T19:17:47Z", "ms": 1535656666796.789 }, "end": { "local": "2018-08-30T18:33:25-03:00", "utc": "2018-08-30T21:33:25Z", "ms": 1535664805059.0642 } }, "covered_min": 0, "window_min": 136, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:08 on Wed 29 Aug to 13:40 on Thu 30 Aug.", "fact": "2018-08-29T16:08:27Z → 2018-08-30T16:39:33Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:17–18:33 on the 29th, 16:18–18:33 on the 30th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 135 of 135 minutes on the 29th and 0 of 136 on the 30th.", "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 9494 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Buenos Aires, 2018: Wednesday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Bahulā Caturthī 2018 falls on Wednesday 29 August. Caturthī runs from 13:08 on Wed 29 Aug to 13:40 on Thu 30 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/sankashta-chaturthi?on=2018-08-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30557, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-08-29T13:08:27-03:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T13:39:33-03:00", "utc": "2018-08-30T16:39:33Z", "ms": 1535647172769.437 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-08-29T13:08:27-03:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T13:39:33-03:00", "utc": "2018-08-30T16:39:33Z", "ms": 1535647172769.437 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-08-29", "window": { "start": { "local": "2018-08-29T21:37:43-03:00", "utc": "2018-08-30T00:37:43Z", "ms": 1535589463186.299 }, "end": { "local": "2018-08-29T21:37:43-03:00", "utc": "2018-08-30T00:37:43Z", "ms": 1535589463186.299 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-30", "window": { "start": { "local": "2018-08-30T22:36:25-03:00", "utc": "2018-08-31T01:36:25Z", "ms": 1535679385363.0015 }, "end": { "local": "2018-08-30T22:36:25-03:00", "utc": "2018-08-31T01:36:25Z", "ms": 1535679385363.0015 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:08 on Wed 29 Aug to 13:40 on Thu 30 Aug.", "fact": "2018-08-29T16:08:27Z → 2018-08-30T16:39:33Z" }, { "step": "kaala", "text": "Moonrise is at 21:38 on the 29th and 22:36 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 30557 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2018: Wednesday 29 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": "2018-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2018 falls on Wednesday 29 August. Caturthī runs from 13:08 on Wed 29 Aug to 13:40 on Thu 30 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-08-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-01", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 178, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-08-31T13:41:57-03:00", "utc": "2018-08-31T16:41:57Z", "ms": 1535733716910.0825 }, "end": { "local": "2018-09-01T13:14:44-03:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-08-31T13:41:57-03:00", "utc": "2018-08-31T16:41:57Z", "ms": 1535733716910.0825 }, "end": { "local": "2018-09-01T13:14:44-03:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-31", "window": { "start": { "local": "2018-08-31T12:30:01-03:00", "utc": "2018-08-31T15:30:01Z", "ms": 1535729400806.6436 }, "end": { "local": "2018-08-31T13:18:01-03:00", "utc": "2018-08-31T16:18:01Z", "ms": 1535732280806.6436 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-01", "window": { "start": { "local": "2018-09-01T12:29:42-03:00", "utc": "2018-09-01T15:29:42Z", "ms": 1535815781916.2183 }, "end": { "local": "2018-09-01T13:17:42-03:00", "utc": "2018-09-01T16:17:42Z", "ms": 1535818661916.2183 } }, "covered_min": 45, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:42 on Fri 31 Aug to 13:15 on Sat 1 Sep.", "fact": "2018-08-31T16:41:57Z → 2018-09-01T16:14:44Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 45 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 178 s < 300 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Buenos Aires, 2018: Saturday 1 September.", "fact": "confidence: boundary (margin)" } ], "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": "2018-09-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Hala Ṣaṣṭhī 2018 falls on Saturday 1 September. Ṣaṣṭhī runs from 13:42 on Fri 31 Aug to 13:15 on Sat 1 Sep and covers 45 of 48 minutes of madhyāhna that midday. It is 2 min 58 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-01", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 178, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-09-01T13:14:44-03:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 }, "end": { "local": "2018-09-02T12:17:23-03:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-01T13:14:44-03:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 }, "end": { "local": "2018-09-02T12:17:23-03:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-01", "window": { "start": { "local": "2018-09-01T12:29:42-03:00", "utc": "2018-09-01T15:29:42Z", "ms": 1535815781916.2183 }, "end": { "local": "2018-09-01T13:17:42-03:00", "utc": "2018-09-01T16:17:42Z", "ms": 1535818661916.2183 } }, "covered_min": 3, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-02", "window": { "start": { "local": "2018-09-02T12:29:23-03:00", "utc": "2018-09-02T15:29:23Z", "ms": 1535902162750.8877 }, "end": { "local": "2018-09-02T13:17:23-03:00", "utc": "2018-09-02T16:17:23Z", "ms": 1535905042750.8877 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:15 on Sat 1 Sep to 12:17 on Sun 2 Sep.", "fact": "2018-09-01T16:14:44Z → 2018-09-02T15:17:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 1st, 12:29–13:17 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 3 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 178 s < 300 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Buenos Aires, 2018: Saturday 1 September.", "fact": "confidence: boundary (margin)" } ], "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": "2018-09-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śītalā Saptamī 2018 falls on Saturday 1 September. Saptamī runs from 13:15 on Sat 1 Sep to 12:17 on Sun 2 Sep and covers 3 of 48 minutes of madhyāhna that midday. It is 2 min 58 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34399, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-09-02T12:17:23-03:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 }, "end": { "local": "2018-09-03T10:50:01-03:00", "utc": "2018-09-03T13:50:01Z", "ms": 1535982600776.3923 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-02T12:17:23-03:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 }, "end": { "local": "2018-09-03T10:50:01-03:00", "utc": "2018-09-03T13:50:01Z", "ms": 1535982600776.3923 } }, "kaala": "nishita", "days": [ { "local_date": "2018-09-01", "window": { "start": { "local": "2018-09-02T00:29:02-03:00", "utc": "2018-09-02T03:29:02Z", "ms": 1535858941615.1694 }, "end": { "local": "2018-09-02T01:17:02-03:00", "utc": "2018-09-02T04:17:02Z", "ms": 1535861821615.1694 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-02", "window": { "start": { "local": "2018-09-03T00:28:42-03:00", "utc": "2018-09-03T03:28:42Z", "ms": 1535945322200.9019 }, "end": { "local": "2018-09-03T01:16:42-03:00", "utc": "2018-09-03T04:16:42Z", "ms": 1535948202200.9019 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:17 on Sun 2 Sep to 10:50 on Mon 3 Sep.", "fact": "2018-09-02T15:17:23Z → 2018-09-03T13:50:01Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:29–01:17 on the 1st, 00:29–01:17 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34399 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Buenos Aires, 2018: Sunday 2 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": "2018-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-02", "confidence": "determinate" } ], "quote": "In Buenos Aires, Janmāṣṭamī 2018 falls on Sunday 2 September. Aṣṭamī runs from 12:17 on Sun 2 Sep to 10:50 on Mon 3 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-09-05", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2170, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-09-05T06:30:58-03:00", "utc": "2018-09-05T09:30:58Z", "ms": 1536139858454.8364 }, "end": { "local": "2018-09-06T03:45:31-03:00", "utc": "2018-09-06T06:45:31Z", "ms": 1536216330621.424 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-05T06:30:58-03:00", "utc": "2018-09-05T09:30:58Z", "ms": 1536139858454.8364 }, "end": { "local": "2018-09-06T03:45:31-03:00", "utc": "2018-09-06T06:45:31Z", "ms": 1536216330621.424 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-09-05", "window": { "start": { "local": "2018-09-05T07:07:09-03:00", "utc": "2018-09-05T10:07:09Z", "ms": 1536142028868.7234 }, "end": { "local": "2018-09-05T07:07:09-03:00", "utc": "2018-09-05T10:07:09Z", "ms": 1536142028868.7234 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-09-06", "window": { "start": { "local": "2018-09-06T07:05:46-03:00", "utc": "2018-09-06T10:05:46Z", "ms": 1536228346441.5889 }, "end": { "local": "2018-09-06T07:05:46-03:00", "utc": "2018-09-06T10:05:46Z", "ms": 1536228346441.5889 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:31 on Wed 5 Sep to 03:46 on Thu 6 Sep.", "fact": "2018-09-05T09:30:58Z → 2018-09-06T06:45:31Z" }, { "step": "kaala", "text": "Sunrise is at 07:07 on the 5th and 07:06 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2170 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Buenos Aires, 2018: Wednesday 5 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": "2018-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-05", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ajā Ekādaśī 2018 falls on Wednesday 5 September. Ekādaśī runs from 06:31 on Wed 5 Sep to 03:46 on Thu 6 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-09-05", "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/2018/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-07", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1647, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-09-07T21:28:57-03:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-08T18:12:19-03:00", "utc": "2018-09-08T21:12:19Z", "ms": 1536441138890.2273 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-07T21:28:57-03:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-08T18:12:19-03:00", "utc": "2018-09-08T21:12:19Z", "ms": 1536441138890.2273 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-09-07", "window": { "start": { "local": "2018-09-07T18:39:03-03:00", "utc": "2018-09-07T21:39:03Z", "ms": 1536356343209.5056 }, "end": { "local": "2018-09-07T20:18:15-03:00", "utc": "2018-09-07T23:18:15Z", "ms": 1536362294840.6208 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2018-09-08", "window": { "start": { "local": "2018-09-08T18:39:45-03:00", "utc": "2018-09-08T21:39:45Z", "ms": 1536442785478.517 }, "end": { "local": "2018-09-08T20:18:40-03:00", "utc": "2018-09-08T23:18:40Z", "ms": 1536448720337.3608 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:29 on Fri 7 Sep to 18:12 on Sat 8 Sep.", "fact": "2018-09-08T00:28:57Z → 2018-09-08T21:12:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:18 on the 7th, 18:40–20:19 on the 8th.", "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 99 minutes on the 7th and 0 of 99 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1647 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Buenos Aires, 2018: Friday 7 September.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2018-09-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-07", "confidence": "boundary" } ], "quote": "In Buenos Aires, Aghora Caturdaśī 2018 falls on Friday 7 September. Caturdaśī runs from 21:29 on Fri 7 Sep to 18:12 on Sat 8 Sep, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/pradosha-vrata?on=2018-09-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4242, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-09-07T00:42:37-03:00", "utc": "2018-09-07T03:42:37Z", "ms": 1536291757497.336 }, "end": { "local": "2018-09-07T21:28:57-03:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-07T00:42:37-03:00", "utc": "2018-09-07T03:42:37Z", "ms": 1536291757497.336 }, "end": { "local": "2018-09-07T21:28:57-03:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-09-06", "window": { "start": { "local": "2018-09-06T18:38:21-03:00", "utc": "2018-09-06T21:38:21Z", "ms": 1536269900952.0056 }, "end": { "local": "2018-09-06T20:17:49-03:00", "utc": "2018-09-06T23:17:49Z", "ms": 1536275869308.3696 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2018-09-07", "window": { "start": { "local": "2018-09-07T18:39:03-03:00", "utc": "2018-09-07T21:39:03Z", "ms": 1536356343209.5056 }, "end": { "local": "2018-09-07T20:18:15-03:00", "utc": "2018-09-07T23:18:15Z", "ms": 1536362294840.6208 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:43 on Fri 7 Sep to 21:29 on Fri 7 Sep.", "fact": "2018-09-07T03:42:37Z → 2018-09-08T00:28:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:18 on the 6th, 18:39–20:18 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 6th and 99 of 99 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4242 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2018: Friday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2018 falls on Friday 7 September. Trayodaśī runs from 00:43 on Fri 7 Sep to 21:29 on Fri 7 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/shivaratri?on=2018-09-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10685, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-09-07T21:28:57-03:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-08T18:12:19-03:00", "utc": "2018-09-08T21:12:19Z", "ms": 1536441138890.2273 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-07T21:28:57-03:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-08T18:12:19-03:00", "utc": "2018-09-08T21:12:19Z", "ms": 1536441138890.2273 } }, "kaala": "nishita", "days": [ { "local_date": "2018-09-07", "window": { "start": { "local": "2018-09-08T00:27:02-03:00", "utc": "2018-09-08T03:27:02Z", "ms": 1536377221826.188 }, "end": { "local": "2018-09-08T01:15:02-03:00", "utc": "2018-09-08T04:15:02Z", "ms": 1536380101826.188 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-08", "window": { "start": { "local": "2018-09-09T00:26:41-03:00", "utc": "2018-09-09T03:26:41Z", "ms": 1536463601199.1814 }, "end": { "local": "2018-09-09T01:14:41-03:00", "utc": "2018-09-09T04:14:41Z", "ms": 1536466481199.1814 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:29 on Fri 7 Sep to 18:12 on Sat 8 Sep.", "fact": "2018-09-08T00:28:57Z → 2018-09-08T21:12:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:27–01:15 on the 7th, 00:27–01:15 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10685 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2018: Friday 7 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": "2018-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2018 falls on Friday 7 September. Caturdaśī runs from 21:29 on Fri 7 Sep to 18:12 on Sat 8 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/shivaratri?on=2018-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1256, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-09-09T15:01:28-03:00", "utc": "2018-09-09T18:01:28Z", "ms": 1536516087831.1147 }, "end": { "local": "2018-09-10T12:05:46-03:00", "utc": "2018-09-10T15:05:46Z", "ms": 1536591945515.9116 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-09T15:01:28-03:00", "utc": "2018-09-09T18:01:28Z", "ms": 1536516087831.1147 }, "end": { "local": "2018-09-10T12:05:46-03:00", "utc": "2018-09-10T15:05:46Z", "ms": 1536591945515.9116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-09", "window": { "start": { "local": "2018-09-09T12:27:02-03:00", "utc": "2018-09-09T15:27:02Z", "ms": 1536506822341.284 }, "end": { "local": "2018-09-09T13:15:02-03:00", "utc": "2018-09-09T16:15:02Z", "ms": 1536509702341.284 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-10", "window": { "start": { "local": "2018-09-10T12:26:42-03:00", "utc": "2018-09-10T15:26:42Z", "ms": 1536593201572.668 }, "end": { "local": "2018-09-10T13:14:42-03:00", "utc": "2018-09-10T16:14:42Z", "ms": 1536596081572.668 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:01 on Sun 9 Sep to 12:06 on Mon 10 Sep.", "fact": "2018-09-09T18:01:28Z → 2018-09-10T15:05:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 9th, 12:27–13:15 on the 10th.", "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 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 1256 s" }, { "step": "ruling", "text": "Rudra Vrata, Buenos Aires, 2018: Monday 10 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": "2018-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-10", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rudra Vrata 2018 falls on Monday 10 September. Pratipadā runs from 15:01 on Sun 9 Sep to 12:06 on Mon 10 Sep, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10297, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-09-11T09:34:44-03:00", "utc": "2018-09-11T12:34:44Z", "ms": 1536669283697.1453 }, "end": { "local": "2018-09-12T07:37:29-03:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-11T09:34:44-03:00", "utc": "2018-09-11T12:34:44Z", "ms": 1536669283697.1453 }, "end": { "local": "2018-09-12T07:37:29-03:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-11", "window": { "start": { "local": "2018-09-11T12:26:21-03:00", "utc": "2018-09-11T15:26:21Z", "ms": 1536679580669.0977 }, "end": { "local": "2018-09-11T13:14:21-03:00", "utc": "2018-09-11T16:14:21Z", "ms": 1536682460669.0977 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-12", "window": { "start": { "local": "2018-09-12T12:26:00-03:00", "utc": "2018-09-12T15:26:00Z", "ms": 1536765959645.6602 }, "end": { "local": "2018-09-12T13:14:00-03:00", "utc": "2018-09-12T16:14:00Z", "ms": 1536768839645.6602 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:35 on Tue 11 Sep to 07:37 on Wed 12 Sep.", "fact": "2018-09-11T12:34:44Z → 2018-09-12T10:37:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 11th, 12:26–13:14 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10297 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Buenos Aires, 2018: Tuesday 11 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": "2018-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Haritālikā Vrata (Hartalika Teej) 2018 falls on Tuesday 11 September. Tṛtīyā runs from 09:35 on Tue 11 Sep to 07:37 on Wed 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17311, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-09-12T07:37:29-03:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 }, "end": { "local": "2018-09-13T06:21:55-03:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-12T07:37:29-03:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 }, "end": { "local": "2018-09-13T06:21:55-03:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-12", "window": { "start": { "local": "2018-09-12T12:26:00-03:00", "utc": "2018-09-12T15:26:00Z", "ms": 1536765959645.6602 }, "end": { "local": "2018-09-12T13:14:00-03:00", "utc": "2018-09-12T16:14:00Z", "ms": 1536768839645.6602 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-13", "window": { "start": { "local": "2018-09-13T12:25:39-03:00", "utc": "2018-09-13T15:25:39Z", "ms": 1536852338518.4985 }, "end": { "local": "2018-09-13T13:13:39-03:00", "utc": "2018-09-13T16:13:39Z", "ms": 1536855218518.4985 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:37 on Wed 12 Sep to 06:22 on Thu 13 Sep.", "fact": "2018-09-12T10:37:29Z → 2018-09-13T09:21:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 12th, 12:26–13:14 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17311 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Buenos Aires, 2018: Wednesday 12 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": "2018-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gaṇeśa Caturthī 2018 falls on Wednesday 12 September. Caturthī runs from 07:37 on Wed 12 Sep to 06:22 on Thu 13 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21823, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-09-13T06:21:55-03:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 }, "end": { "local": "2018-09-14T05:53:43-03:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-13T06:21:55-03:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 }, "end": { "local": "2018-09-14T05:53:43-03:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-13", "window": { "start": { "local": "2018-09-13T12:25:39-03:00", "utc": "2018-09-13T15:25:39Z", "ms": 1536852338518.4985 }, "end": { "local": "2018-09-13T13:13:39-03:00", "utc": "2018-09-13T16:13:39Z", "ms": 1536855218518.4985 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-14", "window": { "start": { "local": "2018-09-14T12:25:17-03:00", "utc": "2018-09-14T15:25:17Z", "ms": 1536938717304.8657 }, "end": { "local": "2018-09-14T13:13:17-03:00", "utc": "2018-09-14T16:13:17Z", "ms": 1536941597304.8657 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 06:22 on Thu 13 Sep to 05:54 on Fri 14 Sep.", "fact": "2018-09-13T09:21:55Z → 2018-09-14T08:53:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 13th, 12:25–13:13 on the 14th.", "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 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 21823 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Buenos Aires, 2018: Thursday 13 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": "2018-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ṛṣi Pañcamī 2018 falls on Thursday 13 September. Pañcamī runs from 06:22 on Thu 13 Sep to 05:54 on Fri 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22183, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-09-14T05:53:43-03:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 }, "end": { "local": "2018-09-15T06:15:13-03:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-14T05:53:43-03:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 }, "end": { "local": "2018-09-15T06:15:13-03:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-14", "window": { "start": { "local": "2018-09-14T12:25:17-03:00", "utc": "2018-09-14T15:25:17Z", "ms": 1536938717304.8657 }, "end": { "local": "2018-09-14T13:13:17-03:00", "utc": "2018-09-14T16:13:17Z", "ms": 1536941597304.8657 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-15", "window": { "start": { "local": "2018-09-15T12:24:56-03:00", "utc": "2018-09-15T15:24:56Z", "ms": 1537025096023.0547 }, "end": { "local": "2018-09-15T13:12:56-03:00", "utc": "2018-09-15T16:12:56Z", "ms": 1537027976023.0547 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:54 on Fri 14 Sep to 06:15 on Sat 15 Sep.", "fact": "2018-09-14T08:53:43Z → 2018-09-15T09:15:13Z" }, { "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": "Ṣaṣṭhī 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: paraviddha → only-day · margin 22183 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Buenos Aires, 2018: Friday 14 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": "2018-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Sūrya Ṣaṣṭhī (Bhādrapada) 2018 falls on Friday 14 September. Ṣaṣṭhī runs from 05:54 on Fri 14 Sep to 06:15 on Sat 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18010, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-09-15T06:15:13-03:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 }, "end": { "local": "2018-09-16T07:24:25-03:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-15T06:15:13-03:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 }, "end": { "local": "2018-09-16T07:24:25-03:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-15", "window": { "start": { "local": "2018-09-15T12:24:56-03:00", "utc": "2018-09-15T15:24:56Z", "ms": 1537025096023.0547 }, "end": { "local": "2018-09-15T13:12:56-03:00", "utc": "2018-09-15T16:12:56Z", "ms": 1537027976023.0547 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-16", "window": { "start": { "local": "2018-09-16T12:24:35-03:00", "utc": "2018-09-16T15:24:35Z", "ms": 1537111474692.267 }, "end": { "local": "2018-09-16T13:12:35-03:00", "utc": "2018-09-16T16:12:35Z", "ms": 1537114354692.267 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:15 on Sat 15 Sep to 07:24 on Sun 16 Sep.", "fact": "2018-09-15T09:15:13Z → 2018-09-16T10:24:25Z" }, { "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": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18010 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Buenos Aires, 2018: Saturday 15 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": "2018-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Muktābharaṇa Vrata 2018 falls on Saturday 15 September. Saptamī runs from 06:15 on Sat 15 Sep to 07:24 on Sun 16 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11381, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-09-16T07:24:25-03:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 }, "end": { "local": "2018-09-17T09:14:32-03:00", "utc": "2018-09-17T12:14:32Z", "ms": 1537186471983.9614 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-16T07:24:25-03:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 }, "end": { "local": "2018-09-17T09:14:32-03:00", "utc": "2018-09-17T12:14:32Z", "ms": 1537186471983.9614 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-16", "window": { "start": { "local": "2018-09-16T12:24:35-03:00", "utc": "2018-09-16T15:24:35Z", "ms": 1537111474692.267 }, "end": { "local": "2018-09-16T13:12:35-03:00", "utc": "2018-09-16T16:12:35Z", "ms": 1537114354692.267 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-17", "window": { "start": { "local": "2018-09-17T12:24:13-03:00", "utc": "2018-09-17T15:24:13Z", "ms": 1537197853332.4678 }, "end": { "local": "2018-09-17T13:12:13-03:00", "utc": "2018-09-17T16:12:13Z", "ms": 1537200733332.4678 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:24 on Sun 16 Sep to 09:15 on Mon 17 Sep.", "fact": "2018-09-16T10:24:25Z → 2018-09-17T12:14:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 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": "Aṣṭamī 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: unstated → only-day · margin 11381 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Buenos Aires, 2018: Sunday 16 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": "2018-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rādhāṣṭamī 2018 falls on Sunday 16 September. Aṣṭamī runs from 07:24 on Sun 16 Sep to 09:15 on Mon 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-09-20", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26549, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-09-19T14:09:57-03:00", "utc": "2018-09-19T17:09:57Z", "ms": 1537376997300.0315 }, "end": { "local": "2018-09-20T16:46:32-03:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-19T14:09:57-03:00", "utc": "2018-09-19T17:09:57Z", "ms": 1537376997300.0315 }, "end": { "local": "2018-09-20T16:46:32-03:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-09-19", "window": { "start": { "local": "2018-09-19T06:47:28-03:00", "utc": "2018-09-19T09:47:28Z", "ms": 1537350448404.1694 }, "end": { "local": "2018-09-19T06:47:28-03:00", "utc": "2018-09-19T09:47:28Z", "ms": 1537350448404.1694 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-09-20", "window": { "start": { "local": "2018-09-20T06:46:03-03:00", "utc": "2018-09-20T09:46:03Z", "ms": 1537436762823.2336 }, "end": { "local": "2018-09-20T06:46:03-03:00", "utc": "2018-09-20T09:46:03Z", "ms": 1537436762823.2336 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:10 on Wed 19 Sep to 16:47 on Thu 20 Sep.", "fact": "2018-09-19T17:09:57Z → 2018-09-20T19:46:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 19th and 06:46 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26549 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Buenos Aires, 2018: Thursday 20 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Parivartanī Ekādaśī 2018 falls on Thursday 20 September. Ekādaśī runs from 14:10 on Wed 19 Sep to 16:47 on Thu 20 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-09-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12922, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-09-20T16:46:32-03:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 }, "end": { "local": "2018-09-21T19:11:01-03:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-20T16:46:32-03:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 }, "end": { "local": "2018-09-21T19:11:01-03:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-20", "window": { "start": { "local": "2018-09-20T12:23:09-03:00", "utc": "2018-09-20T15:23:09Z", "ms": 1537456989287.8086 }, "end": { "local": "2018-09-20T13:11:09-03:00", "utc": "2018-09-20T16:11:09Z", "ms": 1537459869287.8086 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-21", "window": { "start": { "local": "2018-09-21T12:22:48-03:00", "utc": "2018-09-21T15:22:48Z", "ms": 1537543368023.37 }, "end": { "local": "2018-09-21T13:10:48-03:00", "utc": "2018-09-21T16:10:48Z", "ms": 1537546248023.37 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:47 on Thu 20 Sep to 19:11 on Fri 21 Sep.", "fact": "2018-09-20T19:46:32Z → 2018-09-21T22:11:01Z" }, { "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": "Dvādaśī 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12922 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Buenos Aires, 2018: Friday 21 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": "2018-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vāmana Jayantī 2018 falls on Friday 21 September. Dvādaśī runs from 16:47 on Thu 20 Sep to 19:11 on Fri 21 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/pradosha-vrata?on=2018-09-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-22", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1322, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-09-21T19:11:01-03:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 }, "end": { "local": "2018-09-22T21:13:33-03:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-21T19:11:01-03:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 }, "end": { "local": "2018-09-22T21:13:33-03:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-09-21", "window": { "start": { "local": "2018-09-21T18:48:59-03:00", "utc": "2018-09-21T21:48:59Z", "ms": 1537566538820.6326 }, "end": { "local": "2018-09-21T20:24:13-03:00", "utc": "2018-09-21T23:24:13Z", "ms": 1537572252530.29 } }, "covered_min": 73, "window_min": 95, "qualifies": true }, { "local_date": "2018-09-22", "window": { "start": { "local": "2018-09-22T18:49:42-03:00", "utc": "2018-09-22T21:49:42Z", "ms": 1537652982033.1602 }, "end": { "local": "2018-09-22T20:24:39-03:00", "utc": "2018-09-22T23:24:39Z", "ms": 1537658678576.0225 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:11 on Fri 21 Sep to 21:14 on Sat 22 Sep.", "fact": "2018-09-21T22:11:01Z → 2018-09-23T00:13:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:24 on the 21st, 18:50–20:25 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 73 of 95 minutes on the 21st and 95 of 95 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1322 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2018: Saturday 22 September.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-22", "confidence": "boundary" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2018 falls on Saturday 22 September. Trayodaśī runs from 19:11 on Fri 21 Sep to 21:14 on Sat 22 Sep and covers all of pradoṣa that evening. It also reaches the previous evening for 73 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/2018/pradosha-vrata?on=2018-09-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28331, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-09-22T21:13:33-03:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 }, "end": { "local": "2018-09-23T22:48:09-03:00", "utc": "2018-09-24T01:48:09Z", "ms": 1537753689242.162 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-22T21:13:33-03:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 }, "end": { "local": "2018-09-23T22:48:09-03:00", "utc": "2018-09-24T01:48:09Z", "ms": 1537753689242.162 } }, "kaala": "udaya-3", "days": [ { "local_date": "2018-09-23", "window": { "start": { "local": "2018-09-23T06:41:46-03:00", "utc": "2018-09-23T09:41:46Z", "ms": 1537695706104.6274 }, "end": { "local": "2018-09-23T09:07:30-03:00", "utc": "2018-09-23T12:07:30Z", "ms": 1537704449964.8064 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "2018-09-24", "window": { "start": { "local": "2018-09-24T06:40:21-03:00", "utc": "2018-09-24T09:40:21Z", "ms": 1537782020641.5708 }, "end": { "local": "2018-09-24T09:06:30-03:00", "utc": "2018-09-24T12:06:30Z", "ms": 1537790790304.0242 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:14 on Sat 22 Sep to 22:48 on Sun 23 Sep.", "fact": "2018-09-23T00:13:33Z → 2018-09-24T01:48:09Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:42–09:07 on the 23rd, 06:40–09:07 on the 24th.", "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 146 of 146 minutes on the 23rd and 0 of 146 on the 24th.", "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 28331 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Buenos Aires, 2018: Sunday 23 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": "2018-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-23", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ananta Caturdaśī 2018 falls on Sunday 23 September. Caturdaśī runs from 21:14 on Sat 22 Sep to 22:48 on Sun 23 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/sankashta-chaturthi?on=2018-09-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3664, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-09-28T00:14:38-03:00", "utc": "2018-09-28T03:14:38Z", "ms": 1538104478302.8882 }, "end": { "local": "2018-09-28T23:34:01-03:00", "utc": "2018-09-29T02:34:01Z", "ms": 1538188440799.8599 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-09-28T00:14:38-03:00", "utc": "2018-09-28T03:14:38Z", "ms": 1538104478302.8882 }, "end": { "local": "2018-09-28T23:34:01-03:00", "utc": "2018-09-29T02:34:01Z", "ms": 1538188440799.8599 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-09-27", "window": { "start": { "local": "2018-09-27T21:30:55-03:00", "utc": "2018-09-28T00:30:55Z", "ms": 1538094654985.199 }, "end": { "local": "2018-09-27T21:30:55-03:00", "utc": "2018-09-28T00:30:55Z", "ms": 1538094654985.199 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-09-28", "window": { "start": { "local": "2018-09-28T22:32:57-03:00", "utc": "2018-09-29T01:32:57Z", "ms": 1538184777244.1746 }, "end": { "local": "2018-09-28T22:32:57-03:00", "utc": "2018-09-29T01:32:57Z", "ms": 1538184777244.1746 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:15 on Fri 28 Sep to 23:34 on Fri 28 Sep.", "fact": "2018-09-28T03:14:38Z → 2018-09-29T02:34:01Z" }, { "step": "kaala", "text": "Moonrise is at 21:31 on the 27th and 22:33 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.", "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 3664 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2018: Friday 28 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": "2018-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-28", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2018 falls on Friday 28 September. Caturthī runs from 00:15 on Fri 28 Sep to 23:34 on Fri 28 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3744, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-09-29T22:33:37-03:00", "utc": "2018-09-30T01:33:37Z", "ms": 1538271217018.0454 }, "end": { "local": "2018-09-30T21:15:05-03:00", "utc": "2018-10-01T00:15:05Z", "ms": 1538352904691.5183 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-09-29T22:33:37-03:00", "utc": "2018-09-30T01:33:37Z", "ms": 1538271217018.0454 }, "end": { "local": "2018-09-30T21:15:05-03:00", "utc": "2018-10-01T00:15:05Z", "ms": 1538352904691.5183 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-09-29", "window": { "start": { "local": "2018-09-29T23:36:01-03:00", "utc": "2018-09-30T02:36:01Z", "ms": 1538274960653.193 }, "end": { "local": "2018-09-29T23:36:01-03:00", "utc": "2018-09-30T02:36:01Z", "ms": 1538274960653.193 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-09-30", "window": { "start": { "local": "2018-10-01T00:39:02-03:00", "utc": "2018-10-01T03:39:02Z", "ms": 1538365141979.1506 }, "end": { "local": "2018-10-01T00:39:02-03:00", "utc": "2018-10-01T03:39:02Z", "ms": 1538365141979.1506 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:34 on Sat 29 Sep to 21:15 on Sun 30 Sep.", "fact": "2018-09-30T01:33:37Z → 2018-10-01T00:15:05Z" }, { "step": "kaala", "text": "Moonrise is at 23:36 on the 29th and 00:39 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3744 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Buenos Aires, 2018: Saturday 29 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-29", "confidence": "determinate" } ], "quote": "In Buenos Aires, Candra Ṣaṣṭhī 2018 falls on Saturday 29 September. Ṣaṣṭhī runs from 22:34 on Sat 29 Sep to 21:15 on Sun 30 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2585, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-01T19:39:25-03:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-02T17:47:26-03:00", "utc": "2018-10-02T20:47:26Z", "ms": 1538513245742.2275 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-01T19:39:25-03:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-02T17:47:26-03:00", "utc": "2018-10-02T20:47:26Z", "ms": 1538513245742.2275 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-10-01", "window": { "start": { "local": "2018-10-01T18:56:20-03:00", "utc": "2018-10-01T21:56:20Z", "ms": 1538430980113.2148 }, "end": { "local": "2018-10-01T20:28:42-03:00", "utc": "2018-10-01T23:28:42Z", "ms": 1538436521882.6282 } }, "covered_min": 49, "window_min": 92, "qualifies": true }, { "local_date": "2018-10-02", "window": { "start": { "local": "2018-10-02T18:57:06-03:00", "utc": "2018-10-02T21:57:06Z", "ms": 1538517425655.0527 }, "end": { "local": "2018-10-02T20:29:10-03:00", "utc": "2018-10-02T23:29:10Z", "ms": 1538522950234.0298 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:39 on Mon 1 Oct to 17:47 on Tue 2 Oct.", "fact": "2018-10-01T22:39:25Z → 2018-10-02T20:47:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:29 on the 1st, 18:57–20:29 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 49 of 92 minutes on the 1st and 0 of 92 on the 2nd.", "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 2585 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Buenos Aires, 2018: Monday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Jitāṣṭamī (Jitiya) 2018 falls on Monday 1 October. Aṣṭamī runs from 19:39 on Mon 1 Oct to 17:47 on Tue 2 Oct and covers 49 of 92 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21658, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-01T19:39:25-03:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-02T17:47:26-03:00", "utc": "2018-10-02T20:47:26Z", "ms": 1538513245742.2275 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-01T19:39:25-03:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-02T17:47:26-03:00", "utc": "2018-10-02T20:47:26Z", "ms": 1538513245742.2275 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-01", "window": { "start": { "local": "2018-10-02T01:40:23-03:00", "utc": "2018-10-02T04:40:23Z", "ms": 1538455223342.0078 }, "end": { "local": "2018-10-02T01:40:23-03:00", "utc": "2018-10-02T04:40:23Z", "ms": 1538455223342.0078 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-10-02", "window": { "start": { "local": "2018-10-03T02:38:17-03:00", "utc": "2018-10-03T05:38:17Z", "ms": 1538545096992.4534 }, "end": { "local": "2018-10-03T02:38:17-03:00", "utc": "2018-10-03T05:38:17Z", "ms": 1538545096992.4534 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:39 on Mon 1 Oct to 17:47 on Tue 2 Oct.", "fact": "2018-10-01T22:39:25Z → 2018-10-02T20:47:26Z" }, { "step": "kaala", "text": "Moonrise is at 01:40 on the 1st and 02:38 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21658 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Buenos Aires, 2018: Monday 1 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": "2018-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-01", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahālakṣmī Vrata Samāpana 2018 falls on Monday 1 October. Aṣṭamī runs from 19:39 on Mon 1 Oct to 17:47 on Tue 2 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-10-05", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15781, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-10-04T13:19:17-03:00", "utc": "2018-10-04T16:19:17Z", "ms": 1538669957162.1123 }, "end": { "local": "2018-10-05T10:47:55-03:00", "utc": "2018-10-05T13:47:55Z", "ms": 1538747275036.1294 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-04T13:19:17-03:00", "utc": "2018-10-04T16:19:17Z", "ms": 1538669957162.1123 }, "end": { "local": "2018-10-05T10:47:55-03:00", "utc": "2018-10-05T13:47:55Z", "ms": 1538747275036.1294 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-10-04", "window": { "start": { "local": "2018-10-04T06:26:17-03:00", "utc": "2018-10-04T09:26:17Z", "ms": 1538645176994.0684 }, "end": { "local": "2018-10-04T06:26:17-03:00", "utc": "2018-10-04T09:26:17Z", "ms": 1538645176994.0684 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-05", "window": { "start": { "local": "2018-10-05T06:24:54-03:00", "utc": "2018-10-05T09:24:54Z", "ms": 1538731494402.6216 }, "end": { "local": "2018-10-05T06:24:54-03:00", "utc": "2018-10-05T09:24:54Z", "ms": 1538731494402.6216 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:19 on Thu 4 Oct to 10:48 on Fri 5 Oct.", "fact": "2018-10-04T16:19:17Z → 2018-10-05T13:47:55Z" }, { "step": "kaala", "text": "Sunrise is at 06:26 on the 4th and 06:25 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15781 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Buenos Aires, 2018: Friday 5 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-05", "confidence": "determinate" } ], "quote": "In Buenos Aires, Indirā Ekādaśī 2018 falls on Friday 5 October. Ekādaśī runs from 13:19 on Thu 4 Oct to 10:48 on Fri 5 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-10-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/pradosha-vrata?on=2018-10-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32499, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-10-06T08:10:26-03:00", "utc": "2018-10-06T11:10:26Z", "ms": 1538824226432.8416 }, "end": { "local": "2018-10-07T05:32:46-03:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-06T08:10:26-03:00", "utc": "2018-10-06T11:10:26Z", "ms": 1538824226432.8416 }, "end": { "local": "2018-10-07T05:32:46-03:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-10-05", "window": { "start": { "local": "2018-10-05T18:59:24-03:00", "utc": "2018-10-05T21:59:24Z", "ms": 1538776764185.0718 }, "end": { "local": "2018-10-05T20:30:37-03:00", "utc": "2018-10-05T23:30:37Z", "ms": 1538782237260.5288 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2018-10-06", "window": { "start": { "local": "2018-10-06T19:00:11-03:00", "utc": "2018-10-06T22:00:11Z", "ms": 1538863211022.0164 }, "end": { "local": "2018-10-06T20:31:07-03:00", "utc": "2018-10-06T23:31:07Z", "ms": 1538868666961.2705 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:10 on Sat 6 Oct to 05:33 on Sun 7 Oct.", "fact": "2018-10-06T11:10:26Z → 2018-10-07T08:32:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:31 on the 5th, 19:00–20:31 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 5th and 91 of 91 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32499 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2018: Saturday 6 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": "2018-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2018 falls on Saturday 6 October. Trayodaśī runs from 08:10 on Sat 6 Oct to 05:33 on Sun 7 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-10-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/shivaratri?on=2018-10-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7035, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-10-07T05:32:46-03:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 }, "end": { "local": "2018-10-08T03:02:09-03:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-07T05:32:46-03:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 }, "end": { "local": "2018-10-08T03:02:09-03:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 } }, "kaala": "nishita", "days": [ { "local_date": "2018-10-06", "window": { "start": { "local": "2018-10-07T00:17:11-03:00", "utc": "2018-10-07T03:17:11Z", "ms": 1538882230794.219 }, "end": { "local": "2018-10-07T01:05:11-03:00", "utc": "2018-10-07T04:05:11Z", "ms": 1538885110794.219 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-10-07", "window": { "start": { "local": "2018-10-08T00:16:54-03:00", "utc": "2018-10-08T03:16:54Z", "ms": 1538968613786.8965 }, "end": { "local": "2018-10-08T01:04:54-03:00", "utc": "2018-10-08T04:04:54Z", "ms": 1538971493786.8965 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:33 on Sun 7 Oct to 03:02 on Mon 8 Oct.", "fact": "2018-10-07T08:32:46Z → 2018-10-08T06:02:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:17–01:05 on the 6th, 00:17–01:05 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7035 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2018: Sunday 7 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2018 falls on Sunday 7 October. Caturdaśī runs from 05:33 on Sun 7 Oct to 03:02 on Mon 8 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/shivaratri?on=2018-10-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29836, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2018-10-08T03:02:09-03:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 }, "end": { "local": "2018-10-09T00:46:51-03:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-08T03:02:09-03:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 }, "end": { "local": "2018-10-09T00:46:51-03:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 } }, "kaala": "aparahna", "days": [ { "local_date": "2018-10-07", "window": { "start": { "local": "2018-10-07T13:57:27-03:00", "utc": "2018-10-07T16:57:27Z", "ms": 1538931447145.5 }, "end": { "local": "2018-10-07T16:29:13-03:00", "utc": "2018-10-07T19:29:13Z", "ms": 1538940552671.8596 } }, "covered_min": 0, "window_min": 152, "qualifies": false }, { "local_date": "2018-10-08", "window": { "start": { "local": "2018-10-08T13:57:23-03:00", "utc": "2018-10-08T16:57:23Z", "ms": 1539017843180.7273 }, "end": { "local": "2018-10-08T16:29:34-03:00", "utc": "2018-10-08T19:29:34Z", "ms": 1539026974449.1118 } }, "covered_min": 152, "window_min": 152, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 03:02 on Mon 8 Oct to 00:47 on Tue 9 Oct.", "fact": "2018-10-08T06:02:09Z → 2018-10-09T03:46:51Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:57–16:29 on the 7th, 13:57–16:30 on the 8th.", "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 152 minutes on the 7th and 152 of 152 on the 8th.", "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 29836 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Buenos Aires, 2018: Monday 8 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": "2018-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-08", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahālaya Amāvāsyā 2018 falls on Monday 8 October. Amāvasyā runs from 03:02 on Mon 8 Oct to 00:47 on Tue 9 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35435, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-10-09T00:46:51-03:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 }, "end": { "local": "2018-10-09T22:55:36-03:00", "utc": "2018-10-10T01:55:36Z", "ms": 1539136535822.0413 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-09T00:46:51-03:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 }, "end": { "local": "2018-10-09T22:55:36-03:00", "utc": "2018-10-10T01:55:36Z", "ms": 1539136535822.0413 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-08", "window": { "start": { "local": "2018-10-08T12:17:18-03:00", "utc": "2018-10-08T15:17:18Z", "ms": 1539011837546.5352 }, "end": { "local": "2018-10-08T13:05:18-03:00", "utc": "2018-10-08T16:05:18Z", "ms": 1539014717546.5352 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-10-09", "window": { "start": { "local": "2018-10-09T12:17:01-03:00", "utc": "2018-10-09T15:17:01Z", "ms": 1539098221143.9536 }, "end": { "local": "2018-10-09T13:05:01-03:00", "utc": "2018-10-09T16:05:01Z", "ms": 1539101101143.9536 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 00:47 on Tue 9 Oct to 22:56 on Tue 9 Oct.", "fact": "2018-10-09T03:46:51Z → 2018-10-10T01:55:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 8th, 12:17–13:05 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35435 s" }, { "step": "ruling", "text": "Navarātrārambha, Buenos Aires, 2018: Tuesday 9 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": "2018-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-09", "confidence": "determinate" } ], "quote": "In Buenos Aires, Navarātrārambha (Navratri) 2018 falls on Tuesday 9 October. Pratipadā runs from 00:47 on Tue 9 Oct to 22:56 on Tue 9 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vinayaka-chaturthi?on=2018-10-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28434, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-10-11T20:58:24-03:00", "utc": "2018-10-11T23:58:24Z", "ms": 1539302303663.2517 }, "end": { "local": "2018-10-12T21:04:59-03:00", "utc": "2018-10-13T00:04:59Z", "ms": 1539389099123.9595 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-11T20:58:24-03:00", "utc": "2018-10-11T23:58:24Z", "ms": 1539302303663.2517 }, "end": { "local": "2018-10-12T21:04:59-03:00", "utc": "2018-10-13T00:04:59Z", "ms": 1539389099123.9595 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-11", "window": { "start": { "local": "2018-10-11T12:16:30-03:00", "utc": "2018-10-11T15:16:30Z", "ms": 1539270989697.4016 }, "end": { "local": "2018-10-11T13:04:30-03:00", "utc": "2018-10-11T16:04:30Z", "ms": 1539273869697.4016 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-10-12", "window": { "start": { "local": "2018-10-12T12:16:15-03:00", "utc": "2018-10-12T15:16:15Z", "ms": 1539357374683.644 }, "end": { "local": "2018-10-12T13:04:15-03:00", "utc": "2018-10-12T16:04:15Z", "ms": 1539360254683.644 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:58 on Thu 11 Oct to 21:05 on Fri 12 Oct.", "fact": "2018-10-11T23:58:24Z → 2018-10-13T00:04:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 11th, 12:16–13:04 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28434 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2018: Friday 12 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": "2018-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2018 falls on Friday 12 October. Caturthī runs from 20:58 on Thu 11 Oct to 21:05 on Fri 12 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/vinayaka-chaturthi?on=2018-10-12", "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/2018/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15819, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-10-14T23:35:01-03:00", "utc": "2018-10-15T02:35:01Z", "ms": 1539570900763.333 }, "end": { "local": "2018-10-16T01:46:42-03:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-14T23:35:01-03:00", "utc": "2018-10-15T02:35:01Z", "ms": 1539570900763.333 }, "end": { "local": "2018-10-16T01:46:42-03:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 } }, "kaala": "udaya-1", "days": [ { "local_date": "2018-10-15", "window": { "start": { "local": "2018-10-15T06:11:37-03:00", "utc": "2018-10-15T09:11:37Z", "ms": 1539594697146.8123 }, "end": { "local": "2018-10-15T07:03:21-03:00", "utc": "2018-10-15T10:03:21Z", "ms": 1539597800550.1145 } }, "covered_min": 52, "window_min": 52, "qualifies": true }, { "local_date": "2018-10-16", "window": { "start": { "local": "2018-10-16T06:10:21-03:00", "utc": "2018-10-16T09:10:21Z", "ms": 1539681020904.0508 }, "end": { "local": "2018-10-16T07:02:13-03:00", "utc": "2018-10-16T10:02:13Z", "ms": 1539684132747.8987 } }, "covered_min": 0, "window_min": 52, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:35 on Sun 14 Oct to 01:47 on Tue 16 Oct.", "fact": "2018-10-15T02:35:01Z → 2018-10-16T04:46:42Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:12–07:03 on the 15th, 06:10–07:02 on the 16th.", "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 52 of 52 minutes on the 15th and 0 of 52 on the 16th.", "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 15819 s" }, { "step": "ruling", "text": "Durgā Saptamī, Buenos Aires, 2018: Monday 15 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": "2018-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Durgā Saptamī 2018 falls on Monday 15 October. Saptamī runs from 23:35 on Sun 14 Oct to 01:47 on Tue 16 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28501, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-16T01:46:42-03:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 }, "end": { "local": "2018-10-17T04:20:06-03:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-16T01:46:42-03:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 }, "end": { "local": "2018-10-17T04:20:06-03:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-16", "window": { "start": { "local": "2018-10-16T12:15:20-03:00", "utc": "2018-10-16T15:15:20Z", "ms": 1539702919732.911 }, "end": { "local": "2018-10-16T13:03:20-03:00", "utc": "2018-10-16T16:03:20Z", "ms": 1539705799732.911 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-17", "window": { "start": { "local": "2018-10-17T12:15:07-03:00", "utc": "2018-10-17T15:15:07Z", "ms": 1539789307355.4612 }, "end": { "local": "2018-10-17T13:03:07-03:00", "utc": "2018-10-17T16:03:07Z", "ms": 1539792187355.4612 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:47 on Tue 16 Oct to 04:20 on Wed 17 Oct.", "fact": "2018-10-16T04:46:42Z → 2018-10-17T07:20:06Z" }, { "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": "Aṣṭamī 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 28501 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Buenos Aires, 2018: Tuesday 16 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": "2018-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahāṣṭamī (Durga Ashtami) 2018 falls on Tuesday 16 October. Aṣṭamī runs from 01:47 on Tue 16 Oct to 04:20 on Wed 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18950, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-10-17T04:20:06-03:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 }, "end": { "local": "2018-10-18T06:59:05-03:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-17T04:20:06-03:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 }, "end": { "local": "2018-10-18T06:59:05-03:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-17", "window": { "start": { "local": "2018-10-17T12:15:07-03:00", "utc": "2018-10-17T15:15:07Z", "ms": 1539789307355.4612 }, "end": { "local": "2018-10-17T13:03:07-03:00", "utc": "2018-10-17T16:03:07Z", "ms": 1539792187355.4612 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-18", "window": { "start": { "local": "2018-10-18T12:14:56-03:00", "utc": "2018-10-18T15:14:56Z", "ms": 1539875695556.6296 }, "end": { "local": "2018-10-18T13:02:56-03:00", "utc": "2018-10-18T16:02:56Z", "ms": 1539878575556.6296 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 04:20 on Wed 17 Oct to 06:59 on Thu 18 Oct.", "fact": "2018-10-17T07:20:06Z → 2018-10-18T09:59:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 17th, 12:15–13:03 on the 18th.", "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 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 18950 s" }, { "step": "ruling", "text": "Mahānavamī, Buenos Aires, 2018: Wednesday 17 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": "2018-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-17", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mahānavamī 2018 falls on Wednesday 17 October. Navamī runs from 04:20 on Wed 17 Oct to 06:59 on Thu 18 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3075, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2018-10-18T06:59:05-03:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 }, "end": { "local": "2018-10-19T09:27:23-03:00", "utc": "2018-10-19T12:27:23Z", "ms": 1539952043088.7288 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2018-10-18T06:59:05-03:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 }, "end": { "local": "2018-10-18T16:03:44-03:00", "utc": "2018-10-18T19:03:44Z", "ms": 1539889424220.0352 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2018-10-17T12:58:15-03:00", "utc": "2018-10-17T15:58:15Z", "ms": 1539791895275.3225 }, "end": { "local": "2018-10-18T16:03:44-03:00", "utc": "2018-10-18T19:03:44Z", "ms": 1539889424220.0352 } } }, "kaala": "daytime", "days": [ { "local_date": "2018-10-17", "window": { "start": { "local": "2018-10-17T06:09:05-03:00", "utc": "2018-10-17T09:09:05Z", "ms": 1539767345414.864 }, "end": { "local": "2018-10-17T19:09:09-03:00", "utc": "2018-10-17T22:09:09Z", "ms": 1539814149296.0583 } }, "covered_min": 0, "window_min": 780, "qualifies": false }, { "local_date": "2018-10-18", "window": { "start": { "local": "2018-10-18T06:07:51-03:00", "utc": "2018-10-18T09:07:51Z", "ms": 1539853670711.231 }, "end": { "local": "2018-10-18T19:10:00-03:00", "utc": "2018-10-18T22:10:00Z", "ms": 1539900600402.0283 } }, "covered_min": 545, "window_min": 782, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 06:59 on Thu 18 Oct to 09:27 on Fri 19 Oct, and Śravaṇa from 12:58 on Wed 17 Oct to 16:04 on Thu 18 Oct. They are together from 06:59 on Thu 18 Oct to 16:04 on Thu 18 Oct.", "fact": "2018-10-18T09:59:05Z → 2018-10-18T19:03:44Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:09–19:09 on the 17th, 06:08–19:10 on the 18th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 780 minutes on the 17th and 545 of 782 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3075 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Buenos Aires, 2018: Thursday 18 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": "2018-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Vijayā Daśamī (Dussehra) 2018 falls on Thursday 18 October. Daśamī runs from 06:59 on Thu 18 Oct to 09:27 on Fri 19 Oct and is with Śravaṇa in the day time that day, for 545 minutes.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-10-20", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12046, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-10-19T09:27:23-03:00", "utc": "2018-10-19T12:27:23Z", "ms": 1539952043088.7288 }, "end": { "local": "2018-10-20T11:31:14-03:00", "utc": "2018-10-20T14:31:14Z", "ms": 1540045874488.9607 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-19T09:27:23-03:00", "utc": "2018-10-19T12:27:23Z", "ms": 1539952043088.7288 }, "end": { "local": "2018-10-20T11:31:14-03:00", "utc": "2018-10-20T14:31:14Z", "ms": 1540045874488.9607 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-10-19", "window": { "start": { "local": "2018-10-19T06:06:37-03:00", "utc": "2018-10-19T09:06:37Z", "ms": 1539939996825.5583 }, "end": { "local": "2018-10-19T06:06:37-03:00", "utc": "2018-10-19T09:06:37Z", "ms": 1539939996825.5583 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-20", "window": { "start": { "local": "2018-10-20T06:05:24-03:00", "utc": "2018-10-20T09:05:24Z", "ms": 1540026323790.661 }, "end": { "local": "2018-10-20T06:05:24-03:00", "utc": "2018-10-20T09:05:24Z", "ms": 1540026323790.661 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:27 on Fri 19 Oct to 11:31 on Sat 20 Oct.", "fact": "2018-10-19T12:27:23Z → 2018-10-20T14:31:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 19th and 06:05 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12046 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Buenos Aires, 2018: Saturday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Pāśāṅkuśā Ekādaśī 2018 falls on Saturday 20 October. Ekādaśī runs from 09:27 on Fri 19 Oct to 11:31 on Sat 20 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-10-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/pradosha-vrata?on=2018-10-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19224, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-10-21T13:01:17-03:00", "utc": "2018-10-21T16:01:17Z", "ms": 1540137676959.2722 }, "end": { "local": "2018-10-22T13:53:04-03:00", "utc": "2018-10-22T16:53:04Z", "ms": 1540227184150.2834 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-21T13:01:17-03:00", "utc": "2018-10-21T16:01:17Z", "ms": 1540137676959.2722 }, "end": { "local": "2018-10-22T13:53:04-03:00", "utc": "2018-10-22T16:53:04Z", "ms": 1540227184150.2834 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-10-21", "window": { "start": { "local": "2018-10-21T19:12:36-03:00", "utc": "2018-10-21T22:12:36Z", "ms": 1540159955975.6792 }, "end": { "local": "2018-10-21T20:39:19-03:00", "utc": "2018-10-21T23:39:19Z", "ms": 1540165159233.111 } }, "covered_min": 87, "window_min": 87, "qualifies": true }, { "local_date": "2018-10-22", "window": { "start": { "local": "2018-10-22T19:13:29-03:00", "utc": "2018-10-22T22:13:29Z", "ms": 1540246408593.3105 }, "end": { "local": "2018-10-22T20:39:55-03:00", "utc": "2018-10-22T23:39:55Z", "ms": 1540251595464.1511 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:01 on Sun 21 Oct to 13:53 on Mon 22 Oct.", "fact": "2018-10-21T16:01:17Z → 2018-10-22T16:53:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:39 on the 21st, 19:13–20:40 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 87 of 87 minutes on the 21st and 0 of 86 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19224 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2018: Sunday 21 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": "2018-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2018 falls on Sunday 21 October. Trayodaśī runs from 13:01 on Sun 21 Oct to 13:53 on Mon 22 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-10-21", "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/2018/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35526, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-10-27T10:08:13-03:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T08:24:48-03:00", "utc": "2018-10-28T11:24:48Z", "ms": 1540725888488.0803 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-10-27T10:08:13-03:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T08:24:48-03:00", "utc": "2018-10-28T11:24:48Z", "ms": 1540725888488.0803 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-26", "window": { "start": { "local": "2018-10-26T21:28:04-03:00", "utc": "2018-10-27T00:28:04Z", "ms": 1540600084091.2595 }, "end": { "local": "2018-10-26T21:28:04-03:00", "utc": "2018-10-27T00:28:04Z", "ms": 1540600084091.2595 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-27", "window": { "start": { "local": "2018-10-27T22:32:43-03:00", "utc": "2018-10-28T01:32:43Z", "ms": 1540690362649.1506 }, "end": { "local": "2018-10-27T22:32:43-03:00", "utc": "2018-10-28T01:32:43Z", "ms": 1540690362649.1506 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:08 on Sat 27 Oct to 08:25 on Sun 28 Oct.", "fact": "2018-10-27T13:08:13Z → 2018-10-28T11:24:48Z" }, { "step": "kaala", "text": "Moonrise is at 21:28 on the 26th and 22:33 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35526 s" }, { "step": "ruling", "text": "Karaka Caturthī, Buenos Aires, 2018: Saturday 27 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": "2018-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Karaka Caturthī (Karwa Chauth) 2018 falls on Saturday 27 October. Caturthī runs from 10:08 on Sat 27 Oct to 08:25 on Sun 28 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/sankashta-chaturthi?on=2018-10-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35526, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-10-27T10:08:13-03:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T08:24:48-03:00", "utc": "2018-10-28T11:24:48Z", "ms": 1540725888488.0803 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-10-27T10:08:13-03:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T08:24:48-03:00", "utc": "2018-10-28T11:24:48Z", "ms": 1540725888488.0803 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-26", "window": { "start": { "local": "2018-10-26T21:28:04-03:00", "utc": "2018-10-27T00:28:04Z", "ms": 1540600084091.2595 }, "end": { "local": "2018-10-26T21:28:04-03:00", "utc": "2018-10-27T00:28:04Z", "ms": 1540600084091.2595 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-27", "window": { "start": { "local": "2018-10-27T22:32:43-03:00", "utc": "2018-10-28T01:32:43Z", "ms": 1540690362649.1506 }, "end": { "local": "2018-10-27T22:32:43-03:00", "utc": "2018-10-28T01:32:43Z", "ms": 1540690362649.1506 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:08 on Sat 27 Oct to 08:25 on Sun 28 Oct.", "fact": "2018-10-27T13:08:13Z → 2018-10-28T11:24:48Z" }, { "step": "kaala", "text": "Moonrise is at 21:28 on the 26th and 22:33 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35526 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2018: Saturday 27 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": "2018-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-27", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2018 falls on Saturday 27 October. Caturthī runs from 10:08 on Sat 27 Oct to 08:25 on Sun 28 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-10-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-10-30", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 4235, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-31T02:40:05-03:00", "utc": "2018-10-31T05:40:05Z", "ms": 1540964404659.8496 }, "end": { "local": "2018-11-01T00:40:17-03:00", "utc": "2018-11-01T03:40:17Z", "ms": 1541043616981.3337 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-10-31T02:40:05-03:00", "utc": "2018-10-31T05:40:05Z", "ms": 1540964404659.8496 }, "end": { "local": "2018-11-01T00:40:17-03:00", "utc": "2018-11-01T03:40:17Z", "ms": 1541043616981.3337 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-30", "window": { "start": { "local": "2018-10-31T01:29:29-03:00", "utc": "2018-10-31T04:29:29Z", "ms": 1540960169172.7983 }, "end": { "local": "2018-10-31T01:29:29-03:00", "utc": "2018-10-31T04:29:29Z", "ms": 1540960169172.7983 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-31", "window": { "start": { "local": "2018-11-01T02:18:04-03:00", "utc": "2018-11-01T05:18:04Z", "ms": 1541049483700.3855 }, "end": { "local": "2018-11-01T02:18:04-03:00", "utc": "2018-11-01T05:18:04Z", "ms": 1541049483700.3855 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:40 on Wed 31 Oct to 00:40 on Thu 1 Nov.", "fact": "2018-10-31T05:40:05Z → 2018-11-01T03:40:17Z" }, { "step": "kaala", "text": "Moonrise is at 01:29 on the 30th and 02:18 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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. 104" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 4235 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Buenos Aires, 2018: Tuesday 30 October.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2018-10-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-30", "confidence": "boundary" } ], "quote": "In Buenos Aires, Ahoyī Aṣṭamī 2018 falls on Tuesday 30 October. Aṣṭamī runs from 02:40 on Wed 31 Oct to 00:40 on Thu 1 Nov, and is current at moonrise on neither day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-11-03", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32986, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-11-02T20:40:24-03:00", "utc": "2018-11-02T23:40:24Z", "ms": 1541202024040.4907 }, "end": { "local": "2018-11-03T18:44:07-03:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-02T20:40:24-03:00", "utc": "2018-11-02T23:40:24Z", "ms": 1541202024040.4907 }, "end": { "local": "2018-11-03T18:44:07-03:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-11-03", "window": { "start": { "local": "2018-11-03T05:50:10-03:00", "utc": "2018-11-03T08:50:10Z", "ms": 1541235009658.1045 }, "end": { "local": "2018-11-03T05:50:10-03:00", "utc": "2018-11-03T08:50:10Z", "ms": 1541235009658.1045 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T05:49:13-03:00", "utc": "2018-11-04T08:49:13Z", "ms": 1541321353453.1558 }, "end": { "local": "2018-11-04T05:49:13-03:00", "utc": "2018-11-04T08:49:13Z", "ms": 1541321353453.1558 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:40 on Fri 2 Nov to 18:44 on Sat 3 Nov.", "fact": "2018-11-02T23:40:24Z → 2018-11-03T21:44:07Z" }, { "step": "kaala", "text": "Sunrise is at 05:50 on the 3rd and 05:49 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32986 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Buenos Aires, 2018: Saturday 3 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": "2018-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Ramā Ekādaśī 2018 falls on Saturday 3 November. Ekādaśī runs from 20:40 on Fri 2 Nov to 18:44 on Sat 3 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-11-03", "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/2018/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2423, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-11-03T18:44:07-03:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 }, "end": { "local": "2018-11-04T16:54:41-03:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-03T18:44:07-03:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 }, "end": { "local": "2018-11-04T16:54:41-03:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-03", "window": { "start": { "local": "2018-11-03T19:24:30-03:00", "utc": "2018-11-03T22:24:30Z", "ms": 1541283869616.08 }, "end": { "local": "2018-11-03T20:47:47-03:00", "utc": "2018-11-03T23:47:47Z", "ms": 1541288867461.0234 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T19:25:27-03:00", "utc": "2018-11-04T22:25:27Z", "ms": 1541370326970.3816 }, "end": { "local": "2018-11-04T20:48:30-03:00", "utc": "2018-11-04T23:48:30Z", "ms": 1541375309858.1106 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:44 on Sat 3 Nov to 16:55 on Sun 4 Nov.", "fact": "2018-11-03T21:44:07Z → 2018-11-04T19:54:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:24–20:48 on the 3rd, 19:25–20:48 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 3rd and 0 of 83 on the 4th.", "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 2423 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Buenos Aires, 2018: Saturday 3 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": "2018-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-03", "confidence": "determinate" } ], "quote": "In Buenos Aires, Govatsa Dvādaśī (Vasu Baras) 2018 falls on Saturday 3 November. Dvādaśī runs from 18:44 on Sat 3 Nov to 16:55 on Sun 4 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9046, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-11-04T16:54:41-03:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T15:17:04-03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-04T16:54:41-03:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T15:17:04-03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T19:25:27-03:00", "utc": "2018-11-04T22:25:27Z", "ms": 1541370326970.3816 }, "end": { "local": "2018-11-04T20:48:30-03:00", "utc": "2018-11-04T23:48:30Z", "ms": 1541375309858.1106 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "2018-11-05", "window": { "start": { "local": "2018-11-05T19:26:25-03:00", "utc": "2018-11-05T22:26:25Z", "ms": 1541456784603.6323 }, "end": { "local": "2018-11-05T20:49:13-03:00", "utc": "2018-11-05T23:49:13Z", "ms": 1541461752684.6702 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:55 on Sun 4 Nov to 15:17 on Mon 5 Nov.", "fact": "2018-11-04T19:54:41Z → 2018-11-05T18:17:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:25–20:48 on the 4th, 19:26–20:49 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 4th and 0 of 83 on the 5th.", "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 9046 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Buenos Aires, 2018: Sunday 4 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": "2018-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Yama Dīpadāna 2018 falls on Sunday 4 November. Trayodaśī runs from 16:55 on Sun 4 Nov to 15:17 on Mon 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/pradosha-vrata?on=2018-11-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9046, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-11-04T16:54:41-03:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T15:17:04-03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-04T16:54:41-03:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T15:17:04-03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T19:25:27-03:00", "utc": "2018-11-04T22:25:27Z", "ms": 1541370326970.3816 }, "end": { "local": "2018-11-04T20:48:30-03:00", "utc": "2018-11-04T23:48:30Z", "ms": 1541375309858.1106 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "2018-11-05", "window": { "start": { "local": "2018-11-05T19:26:25-03:00", "utc": "2018-11-05T22:26:25Z", "ms": 1541456784603.6323 }, "end": { "local": "2018-11-05T20:49:13-03:00", "utc": "2018-11-05T23:49:13Z", "ms": 1541461752684.6702 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:55 on Sun 4 Nov to 15:17 on Mon 5 Nov.", "fact": "2018-11-04T19:54:41Z → 2018-11-05T18:17:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:25–20:48 on the 4th, 19:26–20:49 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 4th and 0 of 83 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9046 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2018: Sunday 4 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": "2018-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2018 falls on Sunday 4 November. Trayodaśī runs from 16:55 on Sun 4 Nov to 15:17 on Mon 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-11-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/shivaratri?on=2018-11-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32151, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-11-05T15:17:04-03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T13:57:18-03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-05T15:17:04-03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T13:57:18-03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 } }, "kaala": "nishita", "days": [ { "local_date": "2018-11-05", "window": { "start": { "local": "2018-11-06T00:12:55-03:00", "utc": "2018-11-06T03:12:55Z", "ms": 1541473974907.524 }, "end": { "local": "2018-11-06T01:00:55-03:00", "utc": "2018-11-06T04:00:55Z", "ms": 1541476854907.524 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-07T00:12:58-03:00", "utc": "2018-11-07T03:12:58Z", "ms": 1541560377860.8765 }, "end": { "local": "2018-11-07T01:00:58-03:00", "utc": "2018-11-07T04:00:58Z", "ms": 1541563257860.8765 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:17 on Mon 5 Nov to 13:57 on Tue 6 Nov.", "fact": "2018-11-05T18:17:04Z → 2018-11-06T16:57:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 5th, 00:13–01:01 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32151 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2018: Monday 5 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": "2018-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-05", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2018 falls on Monday 5 November. Caturdaśī runs from 15:17 on Mon 5 Nov to 13:57 on Tue 6 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/shivaratri?on=2018-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29392, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-11-05T15:17:04-03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T13:57:18-03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-05T15:17:04-03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T13:57:18-03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 } }, "kaala": "arunodaya", "days": [ { "local_date": "2018-11-05", "window": { "start": { "local": "2018-11-05T04:25:16-03:00", "utc": "2018-11-05T07:25:16Z", "ms": 1541402715740.6206 }, "end": { "local": "2018-11-05T05:48:19-03:00", "utc": "2018-11-05T08:48:19Z", "ms": 1541407698628.3496 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-06T04:24:37-03:00", "utc": "2018-11-06T07:24:37Z", "ms": 1541489077130.3774 }, "end": { "local": "2018-11-06T05:47:25-03:00", "utc": "2018-11-06T08:47:25Z", "ms": 1541494045211.4153 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:17 on Mon 5 Nov to 13:57 on Tue 6 Nov.", "fact": "2018-11-05T18:17:04Z → 2018-11-06T16:57:18Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:25–05:48 on the 5th, 04:25–05:47 on the 6th.", "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 83 minutes on the 5th and 83 of 83 on the 6th.", "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 29392 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Buenos Aires, 2018: Tuesday 6 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": "2018-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Naraka Caturdaśī (Choti Diwali) 2018 falls on Tuesday 6 November. Caturdaśī runs from 15:17 on Mon 5 Nov to 13:57 on Tue 6 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19805, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2018-11-06T13:57:18-03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T13:02:02-03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-06T13:57:18-03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T13:02:02-03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-06T19:27:22-03:00", "utc": "2018-11-06T22:27:22Z", "ms": 1541543242492.3152 }, "end": { "local": "2018-11-06T20:49:56-03:00", "utc": "2018-11-06T23:49:56Z", "ms": 1541548195923.9316 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T19:28:21-03:00", "utc": "2018-11-07T22:28:21Z", "ms": 1541629700611.136 }, "end": { "local": "2018-11-07T20:50:40-03:00", "utc": "2018-11-07T23:50:40Z", "ms": 1541634639557.5364 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 13:57 on Tue 6 Nov to 13:02 on Wed 7 Nov.", "fact": "2018-11-06T16:57:18Z → 2018-11-07T16:02:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:27–20:50 on the 6th, 19:28–20:51 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 83 of 83 minutes on the 6th and 0 of 82 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19805 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Buenos Aires, 2018: Tuesday 6 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": "2018-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Lakṣmī Pūjā (Diwali) 2018 falls on Tuesday 6 November. Amāvasyā runs from 13:57 on Tue 6 Nov to 13:02 on Wed 7 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36940, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2018-11-06T13:57:18-03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T13:02:02-03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-06T13:57:18-03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T13:02:02-03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 } }, "kaala": "nishita", "days": [ { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-07T00:12:58-03:00", "utc": "2018-11-07T03:12:58Z", "ms": 1541560377860.8765 }, "end": { "local": "2018-11-07T01:00:58-03:00", "utc": "2018-11-07T04:00:58Z", "ms": 1541563257860.8765 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-08T00:13:02-03:00", "utc": "2018-11-08T03:13:02Z", "ms": 1541646781660.1377 }, "end": { "local": "2018-11-08T01:01:02-03:00", "utc": "2018-11-08T04:01:02Z", "ms": 1541649661660.1377 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 13:57 on Tue 6 Nov to 13:02 on Wed 7 Nov.", "fact": "2018-11-06T16:57:18Z → 2018-11-07T16:02:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 6th, 00:13–01:01 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36940 s" }, { "step": "ruling", "text": "Kālī Pūjā, Buenos Aires, 2018: Tuesday 6 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": "2018-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-06", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kālī Pūjā 2018 falls on Tuesday 6 November. Amāvasyā runs from 13:57 on Tue 6 Nov to 13:02 on Wed 7 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23178, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-11-07T13:02:02-03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T12:37:53-03:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-07T13:02:02-03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T12:37:53-03:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T19:28:21-03:00", "utc": "2018-11-07T22:28:21Z", "ms": 1541629700611.136 }, "end": { "local": "2018-11-07T20:50:40-03:00", "utc": "2018-11-07T23:50:40Z", "ms": 1541634639557.5364 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T19:29:19-03:00", "utc": "2018-11-08T22:29:19Z", "ms": 1541716158933.2842 }, "end": { "local": "2018-11-08T20:51:24-03:00", "utc": "2018-11-08T23:51:24Z", "ms": 1541721083565.7966 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:02 on Wed 7 Nov to 12:38 on Thu 8 Nov.", "fact": "2018-11-07T16:02:02Z → 2018-11-08T15:37:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:28–20:51 on the 7th, 19:29–20:51 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 82 of 82 minutes on the 7th and 0 of 82 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23178 s" }, { "step": "ruling", "text": "Bali Pūjā, Buenos Aires, 2018: Wednesday 7 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": "2018-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Bali Pūjā 2018 falls on Wednesday 7 November. Pratipadā runs from 13:02 on Wed 7 Nov to 12:38 on Thu 8 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-08", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 36, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-11-07T13:02:02-03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T12:37:53-03:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-07T13:02:02-03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T12:37:53-03:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T12:13:27-03:00", "utc": "2018-11-07T15:13:27Z", "ms": 1541603606920.287 }, "end": { "local": "2018-11-07T13:01:27-03:00", "utc": "2018-11-07T16:01:27Z", "ms": 1541606486920.287 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T12:13:31-03:00", "utc": "2018-11-08T15:13:31Z", "ms": 1541690010821.212 }, "end": { "local": "2018-11-08T13:01:31-03:00", "utc": "2018-11-08T16:01:31Z", "ms": 1541692890821.212 } }, "covered_min": 24, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:02 on Wed 7 Nov to 12:38 on Thu 8 Nov.", "fact": "2018-11-07T16:02:02Z → 2018-11-08T15:37:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 7th, 12:14–13:02 on the 8th.", "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 7th and 24 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36 s < 300 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Buenos Aires, 2018: Thursday 8 November.", "fact": "confidence: boundary (margin)" } ], "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": "2018-11-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-07", "confidence": "determinate" } ], "quote": "In Buenos Aires, Govardhana Pūjā 2018 falls on Thursday 8 November. Pratipadā runs from 13:02 on Wed 7 Nov to 12:38 on Thu 8 Nov and covers 24 of 48 minutes of madhyāhna that midday. It is 0 min 36 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 675, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-11-08T12:37:53-03:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "end": { "local": "2018-11-09T12:50:21-03:00", "utc": "2018-11-09T15:50:21Z", "ms": 1541778620665.9846 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-08T12:37:53-03:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "end": { "local": "2018-11-09T12:50:21-03:00", "utc": "2018-11-09T15:50:21Z", "ms": 1541778620665.9846 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T12:13:31-03:00", "utc": "2018-11-08T15:13:31Z", "ms": 1541690010821.212 }, "end": { "local": "2018-11-08T13:01:31-03:00", "utc": "2018-11-08T16:01:31Z", "ms": 1541692890821.212 } }, "covered_min": 24, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-09", "window": { "start": { "local": "2018-11-09T12:13:36-03:00", "utc": "2018-11-09T15:13:36Z", "ms": 1541776415553.9126 }, "end": { "local": "2018-11-09T13:01:36-03:00", "utc": "2018-11-09T16:01:36Z", "ms": 1541779295553.9126 } }, "covered_min": 37, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 12:38 on Thu 8 Nov to 12:50 on Fri 9 Nov.", "fact": "2018-11-08T15:37:53Z → 2018-11-09T15:50:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 8th, 12:14–13:02 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 24 of 48 minutes on the 8th and 37 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 675 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Buenos Aires, 2018: Thursday 8 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": "2018-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-08", "confidence": "determinate" } ], "quote": "In Buenos Aires, Yama Dvitīyā (Bhai Dooj) 2018 falls on Thursday 8 November. Dvitīyā runs from 12:38 on Thu 8 Nov to 12:50 on Fri 9 Nov and covers 24 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 37 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8259, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-11-07T13:02:02-03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T12:37:53-03:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-07T13:02:02-03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T12:37:53-03:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 } }, "kaala": "purvahna", "days": [ { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T05:46:33-03:00", "utc": "2018-11-07T08:46:33Z", "ms": 1541580393229.438 }, "end": { "local": "2018-11-07T10:20:29-03:00", "utc": "2018-11-07T13:20:29Z", "ms": 1541596829023.3374 } }, "covered_min": 0, "window_min": 274, "qualifies": false }, { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T05:45:43-03:00", "utc": "2018-11-08T08:45:43Z", "ms": 1541666742709.1394 }, "end": { "local": "2018-11-08T10:20:15-03:00", "utc": "2018-11-08T13:20:15Z", "ms": 1541683214783.8542 } }, "covered_min": 275, "window_min": 275, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:02 on Wed 7 Nov to 12:38 on Thu 8 Nov.", "fact": "2018-11-07T16:02:02Z → 2018-11-08T15:37:53Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:47–10:20 on the 7th, 05:46–10:20 on the 8th.", "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 274 minutes on the 7th and 275 of 275 on the 8th.", "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 8259 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Buenos Aires, 2018: Thursday 8 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": "2018-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-08", "confidence": "determinate" } ], "quote": "In Buenos Aires, Dyūta Pratipad 2018 falls on Thursday 8 November. Pratipadā runs from 13:02 on Wed 7 Nov to 12:38 on Thu 8 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2458, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-11-10T13:42:39-03:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T15:14:32-03:00", "utc": "2018-11-11T18:14:32Z", "ms": 1541960072144.4236 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-10T13:42:39-03:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T15:14:32-03:00", "utc": "2018-11-11T18:14:32Z", "ms": 1541960072144.4236 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-10", "window": { "start": { "local": "2018-11-10T12:13:41-03:00", "utc": "2018-11-10T15:13:41Z", "ms": 1541862821117.1768 }, "end": { "local": "2018-11-10T13:01:41-03:00", "utc": "2018-11-10T16:01:41Z", "ms": 1541865701117.1768 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-11", "window": { "start": { "local": "2018-11-11T12:13:48-03:00", "utc": "2018-11-11T15:13:48Z", "ms": 1541949227509.421 }, "end": { "local": "2018-11-11T13:01:48-03:00", "utc": "2018-11-11T16:01:48Z", "ms": 1541952107509.421 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:43 on Sat 10 Nov to 15:15 on Sun 11 Nov.", "fact": "2018-11-10T16:42:39Z → 2018-11-11T18:14:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 10th, 12:14–13:02 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2458 s" }, { "step": "ruling", "text": "Nāga Caturthī, Buenos Aires, 2018: Sunday 11 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": "2018-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-11", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nāga Caturthī 2018 falls on Sunday 11 November. Caturthī runs from 13:43 on Sat 10 Nov to 15:15 on Sun 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/vinayaka-chaturthi?on=2018-11-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2458, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-11-10T13:42:39-03:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T15:14:32-03:00", "utc": "2018-11-11T18:14:32Z", "ms": 1541960072144.4236 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-10T13:42:39-03:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T15:14:32-03:00", "utc": "2018-11-11T18:14:32Z", "ms": 1541960072144.4236 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-10", "window": { "start": { "local": "2018-11-10T12:13:41-03:00", "utc": "2018-11-10T15:13:41Z", "ms": 1541862821117.1768 }, "end": { "local": "2018-11-10T13:01:41-03:00", "utc": "2018-11-10T16:01:41Z", "ms": 1541865701117.1768 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-11", "window": { "start": { "local": "2018-11-11T12:13:48-03:00", "utc": "2018-11-11T15:13:48Z", "ms": 1541949227509.421 }, "end": { "local": "2018-11-11T13:01:48-03:00", "utc": "2018-11-11T16:01:48Z", "ms": 1541952107509.421 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:43 on Sat 10 Nov to 15:15 on Sun 11 Nov.", "fact": "2018-11-10T16:42:39Z → 2018-11-11T18:14:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 10th, 12:14–13:02 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2458 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2018: Sunday 11 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": "2018-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-11", "confidence": "boundary" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2018 falls on Sunday 11 November. Caturthī runs from 13:43 on Sat 10 Nov to 15:15 on Sun 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/vinayaka-chaturthi?on=2018-11-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15551, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-11-12T17:21:05-03:00", "utc": "2018-11-12T20:21:05Z", "ms": 1542054065411.938 }, "end": { "local": "2018-11-13T19:52:26-03:00", "utc": "2018-11-13T22:52:26Z", "ms": 1542149545594.3523 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-12T17:21:05-03:00", "utc": "2018-11-12T20:21:05Z", "ms": 1542054065411.938 }, "end": { "local": "2018-11-13T19:52:26-03:00", "utc": "2018-11-13T22:52:26Z", "ms": 1542149545594.3523 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-12", "window": { "start": { "local": "2018-11-12T12:13:55-03:00", "utc": "2018-11-12T15:13:55Z", "ms": 1542035634728.719 }, "end": { "local": "2018-11-12T13:01:55-03:00", "utc": "2018-11-12T16:01:55Z", "ms": 1542038514728.719 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-13", "window": { "start": { "local": "2018-11-13T12:14:03-03:00", "utc": "2018-11-13T15:14:03Z", "ms": 1542122042772.77 }, "end": { "local": "2018-11-13T13:02:03-03:00", "utc": "2018-11-13T16:02:03Z", "ms": 1542124922772.77 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:21 on Mon 12 Nov to 19:52 on Tue 13 Nov.", "fact": "2018-11-12T20:21:05Z → 2018-11-13T22:52:26Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15551 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Buenos Aires, 2018: Tuesday 13 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": "2018-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Sūrya Ṣaṣṭhī (Chhath) 2018 falls on Tuesday 13 November. Ṣaṣṭhī runs from 17:21 on Mon 12 Nov to 19:52 on Tue 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34331, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-11-14T22:34:22-03:00", "utc": "2018-11-15T01:34:22Z", "ms": 1542245662199.8982 }, "end": { "local": "2018-11-16T01:10:26-03:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-14T22:34:22-03:00", "utc": "2018-11-15T01:34:22Z", "ms": 1542245662199.8982 }, "end": { "local": "2018-11-16T01:10:26-03:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-14", "window": { "start": { "local": "2018-11-14T12:14:12-03:00", "utc": "2018-11-14T15:14:12Z", "ms": 1542208451639.0908 }, "end": { "local": "2018-11-14T13:02:12-03:00", "utc": "2018-11-14T16:02:12Z", "ms": 1542211331639.0908 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-15", "window": { "start": { "local": "2018-11-15T12:14:21-03:00", "utc": "2018-11-15T15:14:21Z", "ms": 1542294861323.71 }, "end": { "local": "2018-11-15T13:02:21-03:00", "utc": "2018-11-15T16:02:21Z", "ms": 1542297741323.71 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:34 on Wed 14 Nov to 01:10 on Fri 16 Nov.", "fact": "2018-11-15T01:34:22Z → 2018-11-16T04:10:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 14th, 12:14–13:02 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34331 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Buenos Aires, 2018: Thursday 15 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": "2018-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-15", "confidence": "determinate" } ], "quote": "In Buenos Aires, Gopāṣṭamī 2018 falls on Thursday 15 November. Aṣṭamī runs from 22:34 on Wed 14 Nov to 01:10 on Fri 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8085, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-11-16T01:10:26-03:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T03:24:34-03:00", "utc": "2018-11-17T06:24:34Z", "ms": 1542435873641.625 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-16T01:10:26-03:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T03:24:34-03:00", "utc": "2018-11-17T06:24:34Z", "ms": 1542435873641.625 } }, "kaala": "purvahna", "days": [ { "local_date": "2018-11-16", "window": { "start": { "local": "2018-11-16T05:39:54-03:00", "utc": "2018-11-16T08:39:54Z", "ms": 1542357594369.0198 }, "end": { "local": "2018-11-16T10:18:59-03:00", "utc": "2018-11-16T13:18:59Z", "ms": 1542374339338.77 } }, "covered_min": 279, "window_min": 279, "qualifies": true }, { "local_date": "2018-11-17", "window": { "start": { "local": "2018-11-17T05:39:18-03:00", "utc": "2018-11-17T08:39:18Z", "ms": 1542443958202.7603 }, "end": { "local": "2018-11-17T10:18:55-03:00", "utc": "2018-11-17T13:18:55Z", "ms": 1542460734823.8542 } }, "covered_min": 0, "window_min": 280, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 01:10 on Fri 16 Nov to 03:25 on Sat 17 Nov.", "fact": "2018-11-16T04:10:26Z → 2018-11-17T06:24:34Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:40–10:19 on the 16th, 05:39–10:19 on the 17th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 279 of 279 minutes on the 16th and 0 of 280 on the 17th.", "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 8085 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Buenos Aires, 2018: Friday 16 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": "2018-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Akṣaya Navamī (Amla Navami) 2018 falls on Friday 16 November. Navamī runs from 01:10 on Fri 16 Nov to 03:25 on Sat 17 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31809, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-11-16T01:10:26-03:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T03:24:34-03:00", "utc": "2018-11-17T06:24:34Z", "ms": 1542435873641.625 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-16T01:10:26-03:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T03:24:34-03:00", "utc": "2018-11-17T06:24:34Z", "ms": 1542435873641.625 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-16", "window": { "start": { "local": "2018-11-16T12:14:32-03:00", "utc": "2018-11-16T15:14:32Z", "ms": 1542381271823.645 }, "end": { "local": "2018-11-16T13:02:32-03:00", "utc": "2018-11-16T16:02:32Z", "ms": 1542384151823.645 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-17", "window": { "start": { "local": "2018-11-17T12:14:43-03:00", "utc": "2018-11-17T15:14:43Z", "ms": 1542467683134.4014 }, "end": { "local": "2018-11-17T13:02:43-03:00", "utc": "2018-11-17T16:02:43Z", "ms": 1542470563134.4014 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 01:10 on Fri 16 Nov to 03:25 on Sat 17 Nov.", "fact": "2018-11-16T04:10:26Z → 2018-11-17T06:24:34Z" }, { "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": "Navamī 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 31809 s" }, { "step": "ruling", "text": "Durgā Navamī, Buenos Aires, 2018: Friday 16 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-16", "confidence": "determinate" } ], "quote": "In Buenos Aires, Durgā Navamī 2018 falls on Friday 16 November. Navamī runs from 01:10 on Fri 16 Nov to 03:25 on Sat 17 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-11-19", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1315, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-11-18T05:03:49-03:00", "utc": "2018-11-18T08:03:49Z", "ms": 1542528229488.8474 }, "end": { "local": "2018-11-19T06:00:06-03:00", "utc": "2018-11-19T09:00:06Z", "ms": 1542618005748.5667 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-18T05:03:49-03:00", "utc": "2018-11-18T08:03:49Z", "ms": 1542528229488.8474 }, "end": { "local": "2018-11-19T06:00:06-03:00", "utc": "2018-11-19T09:00:06Z", "ms": 1542618005748.5667 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-11-18", "window": { "start": { "local": "2018-11-18T05:38:44-03:00", "utc": "2018-11-18T08:38:44Z", "ms": 1542530323762.001 }, "end": { "local": "2018-11-18T05:38:44-03:00", "utc": "2018-11-18T08:38:44Z", "ms": 1542530323762.001 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-11-19", "window": { "start": { "local": "2018-11-19T05:38:11-03:00", "utc": "2018-11-19T08:38:11Z", "ms": 1542616691071.5532 }, "end": { "local": "2018-11-19T05:38:11-03:00", "utc": "2018-11-19T08:38:11Z", "ms": 1542616691071.5532 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:04 on Sun 18 Nov to 06:00 on Mon 19 Nov.", "fact": "2018-11-18T08:03:49Z → 2018-11-19T09:00:06Z" }, { "step": "kaala", "text": "Sunrise is at 05:39 on the 18th and 05:38 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is on the 19th.", "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 1315 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Buenos Aires, 2018: Monday 19 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Prabodhinī Ekādaśī 2018 falls on Monday 19 November. Ekādaśī runs from 05:04 on Sun 18 Nov to 06:00 on Mon 19 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-11-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/pradosha-vrata?on=2018-11-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30969, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-11-20T06:10:29-03:00", "utc": "2018-11-20T09:10:29Z", "ms": 1542705028876.2368 }, "end": { "local": "2018-11-21T05:36:41-03:00", "utc": "2018-11-21T08:36:41Z", "ms": 1542789401396.5771 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-20T06:10:29-03:00", "utc": "2018-11-20T09:10:29Z", "ms": 1542705028876.2368 }, "end": { "local": "2018-11-21T05:36:41-03:00", "utc": "2018-11-21T08:36:41Z", "ms": 1542789401396.5771 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-19", "window": { "start": { "local": "2018-11-19T19:40:05-03:00", "utc": "2018-11-19T22:40:05Z", "ms": 1542667205266.6658 }, "end": { "local": "2018-11-19T20:59:46-03:00", "utc": "2018-11-19T23:59:46Z", "ms": 1542671985918.5417 } }, "covered_min": 0, "window_min": 80, "qualifies": false }, { "local_date": "2018-11-20", "window": { "start": { "local": "2018-11-20T19:41:04-03:00", "utc": "2018-11-20T22:41:04Z", "ms": 1542753663609.2007 }, "end": { "local": "2018-11-20T21:00:33-03:00", "utc": "2018-11-21T00:00:33Z", "ms": 1542758432599.7517 } }, "covered_min": 79, "window_min": 79, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:10 on Tue 20 Nov to 05:37 on Wed 21 Nov.", "fact": "2018-11-20T09:10:29Z → 2018-11-21T08:36:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:40–21:00 on the 19th, 19:41–21:01 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 80 minutes on the 19th and 79 of 79 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30969 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2018: Tuesday 20 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-20", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2018 falls on Tuesday 20 November. Trayodaśī runs from 06:10 on Tue 20 Nov to 05:37 on Wed 21 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28321, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-11-22T04:23:51-03:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T02:39:12-03:00", "utc": "2018-11-23T05:39:12Z", "ms": 1542951551766.9058 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-22T04:23:51-03:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T02:39:12-03:00", "utc": "2018-11-23T05:39:12Z", "ms": 1542951551766.9058 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-22", "window": { "start": { "local": "2018-11-22T12:15:52-03:00", "utc": "2018-11-22T15:15:52Z", "ms": 1542899751672.212 }, "end": { "local": "2018-11-22T13:03:52-03:00", "utc": "2018-11-22T16:03:52Z", "ms": 1542902631672.212 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-23", "window": { "start": { "local": "2018-11-23T12:16:08-03:00", "utc": "2018-11-23T15:16:08Z", "ms": 1542986167735.7769 }, "end": { "local": "2018-11-23T13:04:08-03:00", "utc": "2018-11-23T16:04:08Z", "ms": 1542989047735.7769 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:24 on Thu 22 Nov to 02:39 on Fri 23 Nov.", "fact": "2018-11-22T07:23:51Z → 2018-11-23T05:39:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 22nd, 12:16–13:04 on the 23rd.", "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 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 28321 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Buenos Aires, 2018: Thursday 22 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": "2018-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-22", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kārtikī Pūrṇimā 2018 falls on Thursday 22 November. Pūrṇimā runs from 04:24 on Thu 22 Nov to 02:39 on Fri 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5733, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-11-22T04:23:51-03:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T02:39:12-03:00", "utc": "2018-11-23T05:39:12Z", "ms": 1542951551766.9058 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-22T04:23:51-03:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T02:39:12-03:00", "utc": "2018-11-23T05:39:12Z", "ms": 1542951551766.9058 } }, "kaala": "nishita", "days": [ { "local_date": "2018-11-21", "window": { "start": { "local": "2018-11-22T00:15:23-03:00", "utc": "2018-11-22T03:15:23Z", "ms": 1542856522737.6504 }, "end": { "local": "2018-11-22T01:03:23-03:00", "utc": "2018-11-22T04:03:23Z", "ms": 1542859402737.6504 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-22", "window": { "start": { "local": "2018-11-23T00:15:39-03:00", "utc": "2018-11-23T03:15:39Z", "ms": 1542942938946.3577 }, "end": { "local": "2018-11-23T01:03:39-03:00", "utc": "2018-11-23T04:03:39Z", "ms": 1542945818946.3577 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:24 on Thu 22 Nov to 02:39 on Fri 23 Nov.", "fact": "2018-11-22T07:23:51Z → 2018-11-23T05:39:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:15–01:03 on the 21st, 00:16–01:04 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5733 s" }, { "step": "ruling", "text": "Rāsayātrā, Buenos Aires, 2018: Thursday 22 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": "2018-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-22", "confidence": "determinate" } ], "quote": "In Buenos Aires, Rāsayātrā 2018 falls on Thursday 22 November. Pūrṇimā runs from 04:24 on Thu 22 Nov to 02:39 on Fri 23 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/sankashta-chaturthi?on=2018-11-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10286, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-11-25T19:36:42-03:00", "utc": "2018-11-25T22:36:42Z", "ms": 1543185401828.9277 }, "end": { "local": "2018-11-26T17:05:14-03:00", "utc": "2018-11-26T20:05:14Z", "ms": 1543262714438.5405 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-11-25T19:36:42-03:00", "utc": "2018-11-25T22:36:42Z", "ms": 1543185401828.9277 }, "end": { "local": "2018-11-26T17:05:14-03:00", "utc": "2018-11-26T20:05:14Z", "ms": 1543262714438.5405 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-11-25", "window": { "start": { "local": "2018-11-25T22:28:07-03:00", "utc": "2018-11-26T01:28:07Z", "ms": 1543195687391.458 }, "end": { "local": "2018-11-25T22:28:07-03:00", "utc": "2018-11-26T01:28:07Z", "ms": 1543195687391.458 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-11-26", "window": { "start": { "local": "2018-11-26T23:26:01-03:00", "utc": "2018-11-27T02:26:01Z", "ms": 1543285561263.5303 }, "end": { "local": "2018-11-26T23:26:01-03:00", "utc": "2018-11-27T02:26:01Z", "ms": 1543285561263.5303 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:37 on Sun 25 Nov to 17:05 on Mon 26 Nov.", "fact": "2018-11-25T22:36:42Z → 2018-11-26T20:05:14Z" }, { "step": "kaala", "text": "Moonrise is at 22:28 on the 25th and 23:26 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10286 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2018: Sunday 25 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": "2018-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2018 falls on Sunday 25 November. Caturthī runs from 19:37 on Sun 25 Nov to 17:05 on Mon 26 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-11-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/ekadashi?on=2018-12-02", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-12-02", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 192, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-12-02T05:30:43-03:00", "utc": "2018-12-02T08:30:43Z", "ms": 1543739442973.6228 }, "end": { "local": "2018-12-03T04:30:10-03:00", "utc": "2018-12-03T07:30:10Z", "ms": 1543822209960.212 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-02T05:30:43-03:00", "utc": "2018-12-02T08:30:43Z", "ms": 1543739442973.6228 }, "end": { "local": "2018-12-03T04:30:10-03:00", "utc": "2018-12-03T07:30:10Z", "ms": 1543822209960.212 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-12-02", "window": { "start": { "local": "2018-12-02T05:33:55-03:00", "utc": "2018-12-02T08:33:55Z", "ms": 1543739635355.7773 }, "end": { "local": "2018-12-02T05:33:55-03:00", "utc": "2018-12-02T08:33:55Z", "ms": 1543739635355.7773 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-12-03", "window": { "start": { "local": "2018-12-03T05:33:49-03:00", "utc": "2018-12-03T08:33:49Z", "ms": 1543826029291.674 }, "end": { "local": "2018-12-03T05:33:49-03:00", "utc": "2018-12-03T08:33:49Z", "ms": 1543826029291.674 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:31 on Sun 2 Dec to 04:30 on Mon 3 Dec.", "fact": "2018-12-02T08:30:43Z → 2018-12-03T07:30:10Z" }, { "step": "kaala", "text": "Sunrise is at 05:34 on the 2nd and 05:34 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 192 s < 300 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Buenos Aires, 2018: Sunday 2 December.", "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": "2018-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-02", "confidence": "boundary" } ], "quote": "In Buenos Aires, Utpannā Ekādaśī 2018 falls on Sunday 2 December. Ekādaśī runs from 05:31 on Sun 2 Dec to 04:30 on Mon 3 Dec and is current at sunrise that day. It is 3 min 12 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-12-02", "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/2018/pradosha-vrata?on=2018-12-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22900, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-12-04T03:50:01-03:00", "utc": "2018-12-04T06:50:01Z", "ms": 1543906200540.239 }, "end": { "local": "2018-12-05T03:32:57-03:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-04T03:50:01-03:00", "utc": "2018-12-04T06:50:01Z", "ms": 1543906200540.239 }, "end": { "local": "2018-12-05T03:32:57-03:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-12-03", "window": { "start": { "local": "2018-12-03T19:53:08-03:00", "utc": "2018-12-03T22:53:08Z", "ms": 1543877588144.0283 }, "end": { "local": "2018-12-03T21:10:33-03:00", "utc": "2018-12-04T00:10:33Z", "ms": 1543882233086.6274 } }, "covered_min": 0, "window_min": 77, "qualifies": false }, { "local_date": "2018-12-04", "window": { "start": { "local": "2018-12-04T19:54:00-03:00", "utc": "2018-12-04T22:54:00Z", "ms": 1543964039744.525 }, "end": { "local": "2018-12-04T21:11:18-03:00", "utc": "2018-12-05T00:11:18Z", "ms": 1543968677527.8672 } }, "covered_min": 77, "window_min": 77, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:50 on Tue 4 Dec to 03:33 on Wed 5 Dec.", "fact": "2018-12-04T06:50:01Z → 2018-12-05T06:32:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:53–21:11 on the 3rd, 19:54–21:11 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 22900 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Buenos Aires, 2018: Tuesday 4 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": "2018-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-04", "confidence": "determinate" } ], "quote": "In Buenos Aires, Kṛṣṇa Pradoṣa Vrata 2018 falls on Tuesday 4 December. Trayodaśī runs from 03:50 on Tue 4 Dec to 03:33 on Wed 5 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-12-04", "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/2018/shivaratri?on=2018-12-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8706, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-12-05T03:32:57-03:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 }, "end": { "local": "2018-12-06T03:42:05-03:00", "utc": "2018-12-06T06:42:05Z", "ms": 1544078524947.5583 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-05T03:32:57-03:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 }, "end": { "local": "2018-12-06T03:42:05-03:00", "utc": "2018-12-06T06:42:05Z", "ms": 1544078524947.5583 } }, "kaala": "nishita", "days": [ { "local_date": "2018-12-04", "window": { "start": { "local": "2018-12-05T00:19:51-03:00", "utc": "2018-12-05T03:19:51Z", "ms": 1543979991432.0583 }, "end": { "local": "2018-12-05T01:07:51-03:00", "utc": "2018-12-05T04:07:51Z", "ms": 1543982871432.0583 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-05", "window": { "start": { "local": "2018-12-06T00:20:17-03:00", "utc": "2018-12-06T03:20:17Z", "ms": 1544066416755.6455 }, "end": { "local": "2018-12-06T01:08:17-03:00", "utc": "2018-12-06T04:08:17Z", "ms": 1544069296755.6455 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:33 on Wed 5 Dec to 03:42 on Thu 6 Dec.", "fact": "2018-12-05T06:32:57Z → 2018-12-06T06:42:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:20–01:08 on the 4th, 00:20–01:08 on the 5th.", "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 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8706 s" }, { "step": "ruling", "text": "Śivarātri, Buenos Aires, 2018: Wednesday 5 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": "2018-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-05", "confidence": "determinate" } ], "quote": "In Buenos Aires, Śivarātri 2018 falls on Wednesday 5 December. Caturdaśī runs from 03:33 on Wed 5 Dec to 03:42 on Thu 6 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/shivaratri?on=2018-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/vinayaka-chaturthi?on=2018-12-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1850, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-12-10T09:20:09-03:00", "utc": "2018-12-10T12:20:09Z", "ms": 1544444409277.8625 }, "end": { "local": "2018-12-11T11:52:03-03:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-10T09:20:09-03:00", "utc": "2018-12-10T12:20:09Z", "ms": 1544444409277.8625 }, "end": { "local": "2018-12-11T11:52:03-03:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-10", "window": { "start": { "local": "2018-12-10T12:22:26-03:00", "utc": "2018-12-10T15:22:26Z", "ms": 1544455346016.5356 }, "end": { "local": "2018-12-10T13:10:26-03:00", "utc": "2018-12-10T16:10:26Z", "ms": 1544458226016.5356 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-12-11", "window": { "start": { "local": "2018-12-11T12:22:53-03:00", "utc": "2018-12-11T15:22:53Z", "ms": 1544541773145.318 }, "end": { "local": "2018-12-11T13:10:53-03:00", "utc": "2018-12-11T16:10:53Z", "ms": 1544544653145.318 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:20 on Mon 10 Dec to 11:52 on Tue 11 Dec.", "fact": "2018-12-10T12:20:09Z → 2018-12-11T14:52:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 10th, 12:23–13:11 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1850 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Buenos Aires, 2018: Monday 10 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": "2018-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-10", "confidence": "boundary" } ], "quote": "In Buenos Aires, Vināyaka Caturthī 2018 falls on Monday 10 December. Caturthī runs from 09:20 on Mon 10 Dec to 11:52 on Tue 11 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/vinayaka-chaturthi?on=2018-12-10", "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/2018/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1850, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-12-11T11:52:03-03:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 }, "end": { "local": "2018-12-12T14:36:10-03:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-11T11:52:03-03:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 }, "end": { "local": "2018-12-12T14:36:10-03:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-11", "window": { "start": { "local": "2018-12-11T12:22:53-03:00", "utc": "2018-12-11T15:22:53Z", "ms": 1544541773145.318 }, "end": { "local": "2018-12-11T13:10:53-03:00", "utc": "2018-12-11T16:10:53Z", "ms": 1544544653145.318 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-12-12", "window": { "start": { "local": "2018-12-12T12:23:21-03:00", "utc": "2018-12-12T15:23:21Z", "ms": 1544628200628.4502 }, "end": { "local": "2018-12-12T13:11:21-03:00", "utc": "2018-12-12T16:11:21Z", "ms": 1544631080628.4502 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:52 on Tue 11 Dec to 14:36 on Wed 12 Dec.", "fact": "2018-12-11T14:52:03Z → 2018-12-12T17:36:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 11th, 12:23–13:11 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1850 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Buenos Aires, 2018: Wednesday 12 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": "2018-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-12", "confidence": "determinate" } ], "quote": "In Buenos Aires, Nāga Pañcamī (Mārgaśīrṣa) 2018 falls on Wednesday 12 December. Pañcamī runs from 11:52 on Tue 11 Dec to 14:36 on Wed 12 Dec and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5089, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-12-12T14:36:10-03:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-13T17:19:09-03:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-12T14:36:10-03:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-13T17:19:09-03:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-12", "window": { "start": { "local": "2018-12-12T12:23:21-03:00", "utc": "2018-12-12T15:23:21Z", "ms": 1544628200628.4502 }, "end": { "local": "2018-12-12T13:11:21-03:00", "utc": "2018-12-12T16:11:21Z", "ms": 1544631080628.4502 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-13", "window": { "start": { "local": "2018-12-13T12:23:48-03:00", "utc": "2018-12-13T15:23:48Z", "ms": 1544714628433.459 }, "end": { "local": "2018-12-13T13:11:48-03:00", "utc": "2018-12-13T16:11:48Z", "ms": 1544717508433.459 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:36 on Wed 12 Dec to 17:19 on Thu 13 Dec.", "fact": "2018-12-12T17:36:10Z → 2018-12-13T20:19:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 12th, 12:24–13:12 on the 13th.", "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 12th and 48 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: paraviddha → only-day · margin 5089 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Buenos Aires, 2018: Thursday 13 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": "2018-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Campā Ṣaṣṭhī 2018 falls on Thursday 13 December. Ṣaṣṭhī runs from 14:36 on Wed 12 Dec to 17:19 on Thu 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5089, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-12-12T14:36:10-03:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-13T17:19:09-03:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-12T14:36:10-03:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-13T17:19:09-03:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-12", "window": { "start": { "local": "2018-12-12T12:23:21-03:00", "utc": "2018-12-12T15:23:21Z", "ms": 1544628200628.4502 }, "end": { "local": "2018-12-12T13:11:21-03:00", "utc": "2018-12-12T16:11:21Z", "ms": 1544631080628.4502 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-13", "window": { "start": { "local": "2018-12-13T12:23:48-03:00", "utc": "2018-12-13T15:23:48Z", "ms": 1544714628433.459 }, "end": { "local": "2018-12-13T13:11:48-03:00", "utc": "2018-12-13T16:11:48Z", "ms": 1544717508433.459 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:36 on Wed 12 Dec to 17:19 on Thu 13 Dec.", "fact": "2018-12-12T17:36:10Z → 2018-12-13T20:19:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 12th, 12:24–13:12 on the 13th.", "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 12th and 48 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 5089 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Buenos Aires, 2018: Thursday 13 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": "2018-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-13", "confidence": "determinate" } ], "quote": "In Buenos Aires, Skanda Ṣaṣṭhī 2018 falls on Thursday 13 December. Ṣaṣṭhī runs from 14:36 on Wed 12 Dec to 17:19 on Thu 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14841, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-12-13T17:19:09-03:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 }, "end": { "local": "2018-12-14T19:46:12-03:00", "utc": "2018-12-14T22:46:12Z", "ms": 1544827571560.4277 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-13T17:19:09-03:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 }, "end": { "local": "2018-12-14T19:46:12-03:00", "utc": "2018-12-14T22:46:12Z", "ms": 1544827571560.4277 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-13", "window": { "start": { "local": "2018-12-13T12:23:48-03:00", "utc": "2018-12-13T15:23:48Z", "ms": 1544714628433.459 }, "end": { "local": "2018-12-13T13:11:48-03:00", "utc": "2018-12-13T16:11:48Z", "ms": 1544717508433.459 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-14", "window": { "start": { "local": "2018-12-14T12:24:17-03:00", "utc": "2018-12-14T15:24:17Z", "ms": 1544801056527.746 }, "end": { "local": "2018-12-14T13:12:17-03:00", "utc": "2018-12-14T16:12:17Z", "ms": 1544803936527.746 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 17:19 on Thu 13 Dec to 19:46 on Fri 14 Dec.", "fact": "2018-12-13T20:19:09Z → 2018-12-14T22:46:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 13th, 12:24–13:12 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 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: purvaviddha → only-day · margin 14841 s" }, { "step": "ruling", "text": "Mitra Saptamī, Buenos Aires, 2018: Friday 14 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": "2018-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-14", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mitra Saptamī 2018 falls on Friday 14 December. Saptamī runs from 17:19 on Thu 13 Dec to 19:46 on Fri 14 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/ekadashi?on=2018-12-18", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22141, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-12-17T23:27:11-03:00", "utc": "2018-12-18T02:27:11Z", "ms": 1545100031287.2249 }, "end": { "local": "2018-12-18T23:05:25-03:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-17T23:27:11-03:00", "utc": "2018-12-18T02:27:11Z", "ms": 1545100031287.2249 }, "end": { "local": "2018-12-18T23:05:25-03:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-12-18", "window": { "start": { "local": "2018-12-18T05:36:12-03:00", "utc": "2018-12-18T08:36:12Z", "ms": 1545122172224.765 }, "end": { "local": "2018-12-18T05:36:12-03:00", "utc": "2018-12-18T08:36:12Z", "ms": 1545122172224.765 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-12-19", "window": { "start": { "local": "2018-12-19T05:36:37-03:00", "utc": "2018-12-19T08:36:37Z", "ms": 1545208596701.692 }, "end": { "local": "2018-12-19T05:36:37-03:00", "utc": "2018-12-19T08:36:37Z", "ms": 1545208596701.692 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:27 on Mon 17 Dec to 23:05 on Tue 18 Dec.", "fact": "2018-12-18T02:27:11Z → 2018-12-19T02:05:25Z" }, { "step": "kaala", "text": "Sunrise is at 05:36 on the 18th and 05:37 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22141 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Buenos Aires, 2018: Tuesday 18 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": "2018-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-18", "confidence": "determinate" } ], "quote": "In Buenos Aires, Mokṣadā Ekādaśī 2018 falls on Tuesday 18 December. Ekādaśī runs from 23:27 on Mon 17 Dec to 23:05 on Tue 18 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/ekadashi?on=2018-12-18", "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/2018/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31287, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-12-18T23:05:25-03:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 }, "end": { "local": "2018-12-19T21:56:08-03:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-18T23:05:25-03:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 }, "end": { "local": "2018-12-19T21:56:08-03:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-18", "window": { "start": { "local": "2018-12-18T12:26:11-03:00", "utc": "2018-12-18T15:26:11Z", "ms": 1545146771147.5737 }, "end": { "local": "2018-12-18T13:14:11-03:00", "utc": "2018-12-18T16:14:11Z", "ms": 1545149651147.5737 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-19", "window": { "start": { "local": "2018-12-19T12:26:40-03:00", "utc": "2018-12-19T15:26:40Z", "ms": 1545233200203.0708 }, "end": { "local": "2018-12-19T13:14:40-03:00", "utc": "2018-12-19T16:14:40Z", "ms": 1545236080203.0708 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:05 on Tue 18 Dec to 21:56 on Wed 19 Dec.", "fact": "2018-12-19T02:05:25Z → 2018-12-20T00:56:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 18th, 12:27–13:15 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31287 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Buenos Aires, 2018: Wednesday 19 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": "2018-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-19", "confidence": "determinate" } ], "quote": "In Buenos Aires, Akhaṇḍa Dvādaśī 2018 falls on Wednesday 19 December. Dvādaśī runs from 23:05 on Tue 18 Dec to 21:56 on Wed 19 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/pradosha-vrata?on=2018-12-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-12-19", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 24, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-12-19T21:56:08-03:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 }, "end": { "local": "2018-12-20T20:04:52-03:00", "utc": "2018-12-20T23:04:52Z", "ms": 1545347091859.143 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-19T21:56:08-03:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 }, "end": { "local": "2018-12-20T20:04:52-03:00", "utc": "2018-12-20T23:04:52Z", "ms": 1545347091859.143 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-12-19", "window": { "start": { "local": "2018-12-19T20:04:44-03:00", "utc": "2018-12-19T23:04:44Z", "ms": 1545260683704.4495 }, "end": { "local": "2018-12-19T21:21:02-03:00", "utc": "2018-12-20T00:21:02Z", "ms": 1545265262267.3882 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "2018-12-20", "window": { "start": { "local": "2018-12-20T20:05:16-03:00", "utc": "2018-12-20T23:05:16Z", "ms": 1545347115786.7708 }, "end": { "local": "2018-12-20T21:21:34-03:00", "utc": "2018-12-21T00:21:34Z", "ms": 1545351693798.1045 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:56 on Wed 19 Dec to 20:05 on Thu 20 Dec.", "fact": "2018-12-20T00:56:08Z → 2018-12-20T23:04:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:05–21:21 on the 19th, 20:05–21:22 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 76 minutes on the 19th and 0 of 76 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 24 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Buenos Aires, 2018: Wednesday 19 December.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-12-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-19", "confidence": "boundary" } ], "quote": "In Buenos Aires, Śukla Pradoṣa Vrata 2018 falls on Wednesday 19 December. Trayodaśī runs from 21:56 on Wed 19 Dec to 20:05 on Thu 20 Dec, and reaches pradoṣa on neither day. It is 0 min 24 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/pradosha-vrata?on=2018-12-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/buenos-aires/festivals/2018/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8784, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-12-21T17:39:22-03:00", "utc": "2018-12-21T20:39:22Z", "ms": 1545424762159.9248 }, "end": { "local": "2018-12-22T14:48:35-03:00", "utc": "2018-12-22T17:48:35Z", "ms": 1545500914979.4106 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-21T17:39:22-03:00", "utc": "2018-12-21T20:39:22Z", "ms": 1545424762159.9248 }, "end": { "local": "2018-12-22T14:48:35-03:00", "utc": "2018-12-22T17:48:35Z", "ms": 1545500914979.4106 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-12-21", "window": { "start": { "local": "2018-12-21T20:05:46-03:00", "utc": "2018-12-21T23:05:46Z", "ms": 1545433546285.1572 }, "end": { "local": "2018-12-21T21:22:04-03:00", "utc": "2018-12-22T00:22:04Z", "ms": 1545438124181.6943 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "2018-12-22", "window": { "start": { "local": "2018-12-22T20:06:15-03:00", "utc": "2018-12-22T23:06:15Z", "ms": 1545519975169.8203 }, "end": { "local": "2018-12-22T21:22:33-03:00", "utc": "2018-12-23T00:22:33Z", "ms": 1545524553388.439 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:39 on Fri 21 Dec to 14:49 on Sat 22 Dec.", "fact": "2018-12-21T20:39:22Z → 2018-12-22T17:48:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:06–21:22 on the 21st, 20:06–21:23 on the 22nd.", "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 21st and 0 of 76 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8784 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Buenos Aires, 2018: Friday 21 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": "2018-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-21", "confidence": "determinate" } ], "quote": "In Buenos Aires, Dattātreyotpatti (Datta Jayanti) 2018 falls on Friday 21 December. Pūrṇimā runs from 17:39 on Fri 21 Dec to 14:49 on Sat 22 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/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/2018/sankashta-chaturthi?on=2018-12-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3435910", "year": 2018, "local_date": "2018-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11837, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-12-25T05:17:36-03:00", "utc": "2018-12-25T08:17:36Z", "ms": 1545725855673.9705 }, "end": { "local": "2018-12-26T02:16:49-03:00", "utc": "2018-12-26T05:16:49Z", "ms": 1545801409141.9246 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-25T05:17:36-03:00", "utc": "2018-12-25T08:17:36Z", "ms": 1545725855673.9705 }, "end": { "local": "2018-12-26T02:16:49-03:00", "utc": "2018-12-26T05:16:49Z", "ms": 1545801409141.9246 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-12-24", "window": { "start": { "local": "2018-12-24T22:09:54-03:00", "utc": "2018-12-25T01:09:54Z", "ms": 1545700194439.1167 }, "end": { "local": "2018-12-24T22:09:54-03:00", "utc": "2018-12-25T01:09:54Z", "ms": 1545700194439.1167 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-12-25", "window": { "start": { "local": "2018-12-25T22:59:32-03:00", "utc": "2018-12-26T01:59:32Z", "ms": 1545789572203.7295 }, "end": { "local": "2018-12-25T22:59:32-03:00", "utc": "2018-12-26T01:59:32Z", "ms": 1545789572203.7295 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:18 on Tue 25 Dec to 02:17 on Wed 26 Dec.", "fact": "2018-12-25T08:17:36Z → 2018-12-26T05:16:49Z" }, { "step": "kaala", "text": "Moonrise is at 22:10 on the 24th and 23:00 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is on the 25th.", "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 11837 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Buenos Aires, 2018: Tuesday 25 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": "2018-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-25", "confidence": "determinate" } ], "quote": "In Buenos Aires, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 25 December. Caturthī runs from 05:18 on Tue 25 Dec to 02:17 on Wed 26 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/buenos-aires/festivals/2018/sankashta-chaturthi?on=2018-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }