{ "id": "/luanda/festivals/2012", "place": { "id": "2240449", "slug": "luanda", "name": "Luanda", "region": "Angola", "country": "AO", "lat": -8.83682, "lon": 13.23432, "elevation_m": 73, "tz": "Africa/Luanda" }, "year": 2012, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/luanda/festivals/2012/ekadashi?on=2012-01-04", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6483, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-01-04T01:42:45+01:00", "utc": "2012-01-04T00:42:45Z", "ms": 1325637764769.6147 }, "end": { "local": "2012-01-05T04:05:43+01:00", "utc": "2012-01-05T03:05:43Z", "ms": 1325732743027.874 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-01-04T01:42:45+01:00", "utc": "2012-01-04T00:42:45Z", "ms": 1325637764769.6147 }, "end": { "local": "2012-01-05T04:05:43+01:00", "utc": "2012-01-05T03:05:43Z", "ms": 1325732743027.874 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-01-04", "window": { "start": { "local": "2012-01-04T05:53:14+01:00", "utc": "2012-01-04T04:53:14Z", "ms": 1325652793820.7012 }, "end": { "local": "2012-01-04T05:53:14+01:00", "utc": "2012-01-04T04:53:14Z", "ms": 1325652793820.7012 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-01-05", "window": { "start": { "local": "2012-01-05T05:53:46+01:00", "utc": "2012-01-05T04:53:46Z", "ms": 1325739225789.265 }, "end": { "local": "2012-01-05T05:53:46+01:00", "utc": "2012-01-05T04:53:46Z", "ms": 1325739225789.265 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:43 on Wed 4 Jan to 04:06 on Thu 5 Jan.", "fact": "2012-01-04T00:42:45Z → 2012-01-05T03:05:43Z" }, { "step": "kaala", "text": "Sunrise is at 05:53 on the 4th and 05:54 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not 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 6483 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Luanda, 2012: Wednesday 4 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": "2012-01-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-04", "confidence": "determinate" } ], "quote": "In Luanda, Putradā Ekādaśī 2012 falls on Wednesday 4 January. Ekādaśī runs from 01:43 on Wed 4 Jan to 04:06 on Thu 5 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-01-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-01-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36092, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-01-06T06:03:19+01:00", "utc": "2012-01-06T05:03:19Z", "ms": 1325826198647.3896 }, "end": { "local": "2012-01-07T07:28:10+01:00", "utc": "2012-01-07T06:28:10Z", "ms": 1325917690314.7263 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-01-06T06:03:19+01:00", "utc": "2012-01-06T05:03:19Z", "ms": 1325826198647.3896 }, "end": { "local": "2012-01-07T07:28:10+01:00", "utc": "2012-01-07T06:28:10Z", "ms": 1325917690314.7263 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-01-05", "window": { "start": { "local": "2012-01-05T18:30:37+01:00", "utc": "2012-01-05T17:30:37Z", "ms": 1325784637086.2483 }, "end": { "local": "2012-01-05T20:01:46+01:00", "utc": "2012-01-05T19:01:46Z", "ms": 1325790106495.6707 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2012-01-06", "window": { "start": { "local": "2012-01-06T18:30:58+01:00", "utc": "2012-01-06T17:30:58Z", "ms": 1325871058382.2815 }, "end": { "local": "2012-01-06T20:02:09+01:00", "utc": "2012-01-06T19:02:09Z", "ms": 1325876529183.8037 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:03 on Fri 6 Jan to 07:28 on Sat 7 Jan.", "fact": "2012-01-06T05:03:19Z → 2012-01-07T06:28:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:02 on the 5th, 18:31–20:02 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 36092 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2012: Friday 6 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": "2012-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-06", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2012 falls on Friday 6 January. Trayodaśī runs from 06:03 on Fri 6 Jan to 07:28 on Sat 7 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-01-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/sankashta-chaturthi?on=2012-01-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27160, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-01-12T06:10:28+01:00", "utc": "2012-01-12T05:10:28Z", "ms": 1326345028323.6172 }, "end": { "local": "2012-01-13T04:40:59+01:00", "utc": "2012-01-13T03:40:59Z", "ms": 1326426058689.8809 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-01-12T06:10:28+01:00", "utc": "2012-01-12T05:10:28Z", "ms": 1326345028323.6172 }, "end": { "local": "2012-01-13T04:40:59+01:00", "utc": "2012-01-13T03:40:59Z", "ms": 1326426058689.8809 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-01-11", "window": { "start": { "local": "2012-01-11T20:22:31+01:00", "utc": "2012-01-11T19:22:31Z", "ms": 1326309750789.1614 }, "end": { "local": "2012-01-11T20:22:31+01:00", "utc": "2012-01-11T19:22:31Z", "ms": 1326309750789.1614 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-01-12", "window": { "start": { "local": "2012-01-12T21:08:19+01:00", "utc": "2012-01-12T20:08:19Z", "ms": 1326398898988.0137 }, "end": { "local": "2012-01-12T21:08:19+01:00", "utc": "2012-01-12T20:08:19Z", "ms": 1326398898988.0137 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:10 on Thu 12 Jan to 04:41 on Fri 13 Jan.", "fact": "2012-01-12T05:10:28Z → 2012-01-13T03:40:59Z" }, { "step": "kaala", "text": "Moonrise is at 20:23 on the 11th and 21:08 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27160 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2012: Thursday 12 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": "2012-01-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-12", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2012 falls on Thursday 12 January. Caturthī runs from 06:10 on Thu 12 Jan to 04:41 on Fri 13 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/sankashta-chaturthi?on=2012-01-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6907, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2012-01-14T20:28:25+01:00", "utc": "2012-01-14T19:28:25Z", "ms": 1326569305464.856 }, "end": { "local": "2012-02-13T09:28:14+01:00", "utc": "2012-02-13T08:28:14Z", "ms": 1329121694390.7625 } }, "span": { "of": "transit", "start": { "local": "2012-01-14T20:28:25+01:00", "utc": "2012-01-14T19:28:25Z", "ms": 1326569305464.856 }, "end": { "local": "2012-01-14T20:28:25+01:00", "utc": "2012-01-14T19:28:25Z", "ms": 1326569305464.856 } }, "kaala": "sunset-day", "days": [ { "local_date": "2012-01-14", "window": { "start": { "local": "2012-01-13T18:33:04+01:00", "utc": "2012-01-13T17:33:04Z", "ms": 1326475984196.1638 }, "end": { "local": "2012-01-14T18:33:19+01:00", "utc": "2012-01-14T17:33:19Z", "ms": 1326562398665.5635 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2012-01-15", "window": { "start": { "local": "2012-01-14T18:33:19+01:00", "utc": "2012-01-14T17:33:19Z", "ms": 1326562398665.5635 }, "end": { "local": "2012-01-15T18:33:32+01:00", "utc": "2012-01-15T17:33:32Z", "ms": 1326648812220.9746 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2012-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 20:28 on Sat 14 Jan.", "fact": "2012-01-14T19:28:25Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 18:33, and the day of the 15th ends at 18:34.", "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 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 6907 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Sunday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Luanda, 2012: Saturday 14 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": "2012-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2012-01-13", "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": "2012-01-13", "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 Luanda, Bhogi 2012 falls on Saturday 14 January. It is kept the day before Pongal, which falls on Sunday 15 January. The Sun enters Makara at 20:28 on Sat 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12695, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2012-01-14T20:28:25+01:00", "utc": "2012-01-14T19:28:25Z", "ms": 1326569305464.856 }, "end": { "local": "2012-02-13T09:28:14+01:00", "utc": "2012-02-13T08:28:14Z", "ms": 1329121694390.7625 } }, "span": { "of": "transit", "start": { "local": "2012-01-14T20:28:25+01:00", "utc": "2012-01-14T19:28:25Z", "ms": 1326569305464.856 }, "end": { "local": "2012-01-14T20:28:25+01:00", "utc": "2012-01-14T19:28:25Z", "ms": 1326569305464.856 } }, "kaala": "civil-day", "days": [ { "local_date": "2012-01-14", "window": { "start": { "local": "2012-01-14T00:00:00+01:00", "utc": "2012-01-13T23:00:00Z", "ms": 1326495600000 }, "end": { "local": "2012-01-15T00:00:00+01:00", "utc": "2012-01-14T23:00:00Z", "ms": 1326582000000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2012-01-15", "window": { "start": { "local": "2012-01-15T00:00:00+01:00", "utc": "2012-01-14T23:00:00Z", "ms": 1326582000000 }, "end": { "local": "2012-01-16T00:00:00+01:00", "utc": "2012-01-15T23:00:00Z", "ms": 1326668400000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 20:28 on Sat 14 Jan.", "fact": "2012-01-14T19:28:25Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Luanda.", "fact": "civil-day: midnight-to-midnight · Africa/Luanda" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 12695 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Luanda, 2012: Saturday 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": "2012-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2012-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2012-01-15", "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 Luanda, Makara Saṅkrānti 2012 falls on Saturday 14 January. The Sun enters Makara at 20:28 on Sat 14 Jan, and the rule counts the day from midnight. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 15 January.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6907, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2012-01-14T20:28:25+01:00", "utc": "2012-01-14T19:28:25Z", "ms": 1326569305464.856 }, "end": { "local": "2012-02-13T09:28:14+01:00", "utc": "2012-02-13T08:28:14Z", "ms": 1329121694390.7625 } }, "span": { "of": "transit", "start": { "local": "2012-01-14T20:28:25+01:00", "utc": "2012-01-14T19:28:25Z", "ms": 1326569305464.856 }, "end": { "local": "2012-01-14T20:28:25+01:00", "utc": "2012-01-14T19:28:25Z", "ms": 1326569305464.856 } }, "kaala": "sunset-day", "days": [ { "local_date": "2012-01-14", "window": { "start": { "local": "2012-01-13T18:33:04+01:00", "utc": "2012-01-13T17:33:04Z", "ms": 1326475984196.1638 }, "end": { "local": "2012-01-14T18:33:19+01:00", "utc": "2012-01-14T17:33:19Z", "ms": 1326562398665.5635 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2012-01-15", "window": { "start": { "local": "2012-01-14T18:33:19+01:00", "utc": "2012-01-14T17:33:19Z", "ms": 1326562398665.5635 }, "end": { "local": "2012-01-15T18:33:32+01:00", "utc": "2012-01-15T17:33:32Z", "ms": 1326648812220.9746 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 20:28 on Sat 14 Jan.", "fact": "2012-01-14T19:28:25Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 18:33, and the day of the 15th ends at 18:34.", "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 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 6907 s" }, { "step": "ruling", "text": "Pongal, Luanda, 2012: Sunday 15 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": "2012-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2012-01-14", "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": "2012-01-14", "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 Luanda, Pongal (Tai Pongal) 2012 falls on Sunday 15 January. The Sun enters Makara at 20:28 on Sat 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6907, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2012-01-14T20:28:25+01:00", "utc": "2012-01-14T19:28:25Z", "ms": 1326569305464.856 }, "end": { "local": "2012-02-13T09:28:14+01:00", "utc": "2012-02-13T08:28:14Z", "ms": 1329121694390.7625 } }, "span": { "of": "transit", "start": { "local": "2012-01-14T20:28:25+01:00", "utc": "2012-01-14T19:28:25Z", "ms": 1326569305464.856 }, "end": { "local": "2012-01-14T20:28:25+01:00", "utc": "2012-01-14T19:28:25Z", "ms": 1326569305464.856 } }, "kaala": "sunset-day", "days": [ { "local_date": "2012-01-14", "window": { "start": { "local": "2012-01-13T18:33:04+01:00", "utc": "2012-01-13T17:33:04Z", "ms": 1326475984196.1638 }, "end": { "local": "2012-01-14T18:33:19+01:00", "utc": "2012-01-14T17:33:19Z", "ms": 1326562398665.5635 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2012-01-15", "window": { "start": { "local": "2012-01-14T18:33:19+01:00", "utc": "2012-01-14T17:33:19Z", "ms": 1326562398665.5635 }, "end": { "local": "2012-01-15T18:33:32+01:00", "utc": "2012-01-15T17:33:32Z", "ms": 1326648812220.9746 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2012-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 20:28 on Sat 14 Jan.", "fact": "2012-01-14T19:28:25Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 18:33, and the day of the 15th ends at 18:34.", "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 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 6907 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Sunday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Luanda, 2012: Monday 16 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": "2012-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2012-01-15", "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": "2012-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Luanda, Mattu Pongal 2012 falls on Monday 16 January. It is kept the day after Pongal, which falls on Sunday 15 January. The Sun enters Makara at 20:28 on Sat 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 15 January.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-01-19", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32351, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-01-18T17:00:30+01:00", "utc": "2012-01-18T16:00:30Z", "ms": 1326902429809.6492 }, "end": { "local": "2012-01-19T15:00:01+01:00", "utc": "2012-01-19T14:00:01Z", "ms": 1326981601236.9805 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-01-18T17:00:30+01:00", "utc": "2012-01-18T16:00:30Z", "ms": 1326902429809.6492 }, "end": { "local": "2012-01-19T15:00:01+01:00", "utc": "2012-01-19T14:00:01Z", "ms": 1326981601236.9805 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-01-18", "window": { "start": { "local": "2012-01-18T06:00:22+01:00", "utc": "2012-01-18T05:00:22Z", "ms": 1326862822345.4731 }, "end": { "local": "2012-01-18T06:00:22+01:00", "utc": "2012-01-18T05:00:22Z", "ms": 1326862822345.4731 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-01-19", "window": { "start": { "local": "2012-01-19T06:00:51+01:00", "utc": "2012-01-19T05:00:51Z", "ms": 1326949250520.5059 }, "end": { "local": "2012-01-19T06:00:51+01:00", "utc": "2012-01-19T05:00:51Z", "ms": 1326949250520.5059 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:00 on Wed 18 Jan to 15:00 on Thu 19 Jan.", "fact": "2012-01-18T16:00:30Z → 2012-01-19T14:00:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 18th and 06:01 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32351 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Luanda, 2012: Thursday 19 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": "2012-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-19", "confidence": "determinate" } ], "quote": "In Luanda, Ṣaṭtilā Ekādaśī 2012 falls on Thursday 19 January. Ekādaśī runs from 17:00 on Wed 18 Jan to 15:00 on Thu 19 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-01-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-01-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19757, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-01-20T13:05:09+01:00", "utc": "2012-01-20T12:05:09Z", "ms": 1327061108730.1685 }, "end": { "local": "2012-01-21T11:19:54+01:00", "utc": "2012-01-21T10:19:54Z", "ms": 1327141194158.4084 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-01-20T13:05:09+01:00", "utc": "2012-01-20T12:05:09Z", "ms": 1327061108730.1685 }, "end": { "local": "2012-01-21T11:19:54+01:00", "utc": "2012-01-21T10:19:54Z", "ms": 1327141194158.4084 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-01-20", "window": { "start": { "local": "2012-01-20T18:34:26+01:00", "utc": "2012-01-20T17:34:26Z", "ms": 1327080865895.5654 }, "end": { "local": "2012-01-20T20:06:05+01:00", "utc": "2012-01-20T19:06:05Z", "ms": 1327086364508.2866 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2012-01-21", "window": { "start": { "local": "2012-01-21T18:34:34+01:00", "utc": "2012-01-21T17:34:34Z", "ms": 1327167273732.5386 }, "end": { "local": "2012-01-21T20:06:15+01:00", "utc": "2012-01-21T19:06:15Z", "ms": 1327172774866.6401 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:05 on Fri 20 Jan to 11:20 on Sat 21 Jan.", "fact": "2012-01-20T12:05:09Z → 2012-01-21T10:19:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–20:06 on the 20th, 18:35–20:06 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 20th and 0 of 92 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19757 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2012: Friday 20 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": "2012-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-20", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2012 falls on Friday 20 January. Trayodaśī runs from 13:05 on Fri 20 Jan to 11:20 on Sat 21 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-01-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/shivaratri?on=2012-01-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32817, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-01-21T11:19:54+01:00", "utc": "2012-01-21T10:19:54Z", "ms": 1327141194158.4084 }, "end": { "local": "2012-01-22T09:49:20+01:00", "utc": "2012-01-22T08:49:20Z", "ms": 1327222159906.5986 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-01-21T11:19:54+01:00", "utc": "2012-01-21T10:19:54Z", "ms": 1327141194158.4084 }, "end": { "local": "2012-01-22T09:49:20+01:00", "utc": "2012-01-22T08:49:20Z", "ms": 1327222159906.5986 } }, "kaala": "nishita", "days": [ { "local_date": "2012-01-20", "window": { "start": { "local": "2012-01-20T23:54:06+01:00", "utc": "2012-01-20T22:54:06Z", "ms": 1327100045693.2703 }, "end": { "local": "2012-01-21T00:42:06+01:00", "utc": "2012-01-20T23:42:06Z", "ms": 1327102925693.2703 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-01-21", "window": { "start": { "local": "2012-01-21T23:54:23+01:00", "utc": "2012-01-21T22:54:23Z", "ms": 1327186462985.4194 }, "end": { "local": "2012-01-22T00:42:23+01:00", "utc": "2012-01-21T23:42:23Z", "ms": 1327189342985.4194 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:20 on Sat 21 Jan to 09:49 on Sun 22 Jan.", "fact": "2012-01-21T10:19:54Z → 2012-01-22T08:49:20Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:54–00:42 on the 20th, 23:54–00:42 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32817 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2012: Saturday 21 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": "2012-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-21", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri (Masik Shivaratri) 2012 falls on Saturday 21 January. Caturdaśī runs from 11:20 on Sat 21 Jan to 09:49 on Sun 22 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/shivaratri?on=2012-01-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13628, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-01-21T11:19:54+01:00", "utc": "2012-01-21T10:19:54Z", "ms": 1327141194158.4084 }, "end": { "local": "2012-01-22T09:49:20+01:00", "utc": "2012-01-22T08:49:20Z", "ms": 1327222159906.5986 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-01-21T11:19:54+01:00", "utc": "2012-01-21T10:19:54Z", "ms": 1327141194158.4084 }, "end": { "local": "2012-01-22T09:49:20+01:00", "utc": "2012-01-22T08:49:20Z", "ms": 1327222159906.5986 } }, "kaala": "arunodaya", "days": [ { "local_date": "2012-01-21", "window": { "start": { "local": "2012-01-21T04:30:07+01:00", "utc": "2012-01-21T03:30:07Z", "ms": 1327116606878.254 }, "end": { "local": "2012-01-21T06:01:45+01:00", "utc": "2012-01-21T05:01:45Z", "ms": 1327122105490.975 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2012-01-22", "window": { "start": { "local": "2012-01-22T04:30:31+01:00", "utc": "2012-01-22T03:30:31Z", "ms": 1327203031104.1985 }, "end": { "local": "2012-01-22T06:02:12+01:00", "utc": "2012-01-22T05:02:12Z", "ms": 1327208532238.3 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:20 on Sat 21 Jan to 09:49 on Sun 22 Jan.", "fact": "2012-01-21T10:19:54Z → 2012-01-22T08:49:20Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:30–06:02 on the 21st, 04:31–06:02 on the 22nd.", "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 92 minutes on the 21st and 92 of 92 on the 22nd.", "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 13628 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Luanda, 2012: Sunday 22 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": "2012-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-22", "confidence": "determinate" } ], "quote": "In Luanda, Yama Tarpaṇa 2012 falls on Sunday 22 January. Caturdaśī runs from 11:20 on Sat 21 Jan to 09:49 on Sun 22 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9495, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-01-26T08:11:44+01:00", "utc": "2012-01-26T07:11:44Z", "ms": 1327561904396.3147 }, "end": { "local": "2012-01-27T09:17:24+01:00", "utc": "2012-01-27T08:17:24Z", "ms": 1327652244128.4482 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-01-26T08:11:44+01:00", "utc": "2012-01-26T07:11:44Z", "ms": 1327561904396.3147 }, "end": { "local": "2012-01-27T09:17:24+01:00", "utc": "2012-01-27T08:17:24Z", "ms": 1327652244128.4482 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-01-26", "window": { "start": { "local": "2012-01-26T11:55:26+01:00", "utc": "2012-01-26T10:55:26Z", "ms": 1327575325843.3535 }, "end": { "local": "2012-01-26T12:43:26+01:00", "utc": "2012-01-26T11:43:26Z", "ms": 1327578205843.3535 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-01-27", "window": { "start": { "local": "2012-01-27T11:55:39+01:00", "utc": "2012-01-27T10:55:39Z", "ms": 1327661738702.7886 }, "end": { "local": "2012-01-27T12:43:39+01:00", "utc": "2012-01-27T11:43:39Z", "ms": 1327664618702.7886 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:12 on Thu 26 Jan to 09:17 on Fri 27 Jan.", "fact": "2012-01-26T07:11:44Z → 2012-01-27T08:17:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 26th, 11:56–12:44 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9495 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Luanda, 2012: Thursday 26 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": "2012-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-26", "confidence": "determinate" } ], "quote": "In Luanda, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2012 falls on Thursday 26 January. Caturthī runs from 08:12 on Thu 26 Jan to 09:17 on Fri 27 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33456, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-01-26T08:11:44+01:00", "utc": "2012-01-26T07:11:44Z", "ms": 1327561904396.3147 }, "end": { "local": "2012-01-27T09:17:24+01:00", "utc": "2012-01-27T08:17:24Z", "ms": 1327652244128.4482 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-01-26T08:11:44+01:00", "utc": "2012-01-26T07:11:44Z", "ms": 1327561904396.3147 }, "end": { "local": "2012-01-27T09:17:24+01:00", "utc": "2012-01-27T08:17:24Z", "ms": 1327652244128.4482 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-01-26", "window": { "start": { "local": "2012-01-26T18:34:58+01:00", "utc": "2012-01-26T17:34:58Z", "ms": 1327599297898.4978 }, "end": { "local": "2012-01-26T20:06:53+01:00", "utc": "2012-01-26T19:06:53Z", "ms": 1327604812541.2834 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2012-01-27", "window": { "start": { "local": "2012-01-27T18:35:00+01:00", "utc": "2012-01-27T17:35:00Z", "ms": 1327685699686.1863 }, "end": { "local": "2012-01-27T20:06:57+01:00", "utc": "2012-01-27T19:06:57Z", "ms": 1327691217199.4663 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:12 on Thu 26 Jan to 09:17 on Fri 27 Jan.", "fact": "2012-01-26T07:11:44Z → 2012-01-27T08:17:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:07 on the 26th, 18:35–20:07 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 92 of 92 minutes on the 26th and 0 of 92 on the 27th.", "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 33456 s" }, { "step": "ruling", "text": "Tila Caturthī, Luanda, 2012: Thursday 26 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": "2012-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-26", "confidence": "determinate" } ], "quote": "In Luanda, Tila Caturthī 2012 falls on Thursday 26 January. Caturthī runs from 08:12 on Thu 26 Jan to 09:17 on Fri 27 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3316, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2012-01-27T09:17:24+01:00", "utc": "2012-01-27T08:17:24Z", "ms": 1327652244128.4482 }, "end": { "local": "2012-01-28T11:00:34+01:00", "utc": "2012-01-28T10:00:34Z", "ms": 1327744834406.124 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-01-27T09:17:24+01:00", "utc": "2012-01-27T08:17:24Z", "ms": 1327652244128.4482 }, "end": { "local": "2012-01-28T11:00:34+01:00", "utc": "2012-01-28T10:00:34Z", "ms": 1327744834406.124 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-01-27", "window": { "start": { "local": "2012-01-27T11:55:39+01:00", "utc": "2012-01-27T10:55:39Z", "ms": 1327661738702.7886 }, "end": { "local": "2012-01-27T12:43:39+01:00", "utc": "2012-01-27T11:43:39Z", "ms": 1327664618702.7886 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-01-28", "window": { "start": { "local": "2012-01-28T11:55:51+01:00", "utc": "2012-01-28T10:55:51Z", "ms": 1327748150744.2837 }, "end": { "local": "2012-01-28T12:43:51+01:00", "utc": "2012-01-28T11:43:51Z", "ms": 1327751030744.2837 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:17 on Fri 27 Jan to 11:01 on Sat 28 Jan.", "fact": "2012-01-27T08:17:24Z → 2012-01-28T10:00:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 27th, 11:56–12:44 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3316 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Luanda, 2012: Friday 27 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": "2012-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-27", "confidence": "boundary" } ], "quote": "In Luanda, Śrī Pañcamī 2012 falls on Friday 27 January. Pañcamī runs from 09:17 on Fri 27 Jan to 11:01 on Sat 28 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3316, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2012-01-27T09:17:24+01:00", "utc": "2012-01-27T08:17:24Z", "ms": 1327652244128.4482 }, "end": { "local": "2012-01-28T11:00:34+01:00", "utc": "2012-01-28T10:00:34Z", "ms": 1327744834406.124 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-01-27T09:17:24+01:00", "utc": "2012-01-27T08:17:24Z", "ms": 1327652244128.4482 }, "end": { "local": "2012-01-28T11:00:34+01:00", "utc": "2012-01-28T10:00:34Z", "ms": 1327744834406.124 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-01-27", "window": { "start": { "local": "2012-01-27T11:55:39+01:00", "utc": "2012-01-27T10:55:39Z", "ms": 1327661738702.7886 }, "end": { "local": "2012-01-27T12:43:39+01:00", "utc": "2012-01-27T11:43:39Z", "ms": 1327664618702.7886 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-01-28", "window": { "start": { "local": "2012-01-28T11:55:51+01:00", "utc": "2012-01-28T10:55:51Z", "ms": 1327748150744.2837 }, "end": { "local": "2012-01-28T12:43:51+01:00", "utc": "2012-01-28T11:43:51Z", "ms": 1327751030744.2837 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:17 on Fri 27 Jan to 11:01 on Sat 28 Jan.", "fact": "2012-01-27T08:17:24Z → 2012-01-28T10:00:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 27th, 11:56–12:44 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3316 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Luanda, 2012: Friday 27 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": "2012-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-27", "confidence": "boundary" } ], "quote": "In Luanda, Vasanta Pañcamī (Basant Panchami) 2012 falls on Friday 27 January. Pañcamī runs from 09:17 on Fri 27 Jan to 11:01 on Sat 28 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25792, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2012-01-29T13:14:56+01:00", "utc": "2012-01-29T12:14:56Z", "ms": 1327839295732.561 }, "end": { "local": "2012-01-30T15:49:24+01:00", "utc": "2012-01-30T14:49:24Z", "ms": 1327934963718.6501 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-01-29T13:14:56+01:00", "utc": "2012-01-29T12:14:56Z", "ms": 1327839295732.561 }, "end": { "local": "2012-01-30T15:49:24+01:00", "utc": "2012-01-30T14:49:24Z", "ms": 1327934963718.6501 } }, "kaala": "arunodaya", "days": [ { "local_date": "2012-01-29", "window": { "start": { "local": "2012-01-29T04:33:03+01:00", "utc": "2012-01-29T03:33:03Z", "ms": 1327807983288.2212 }, "end": { "local": "2012-01-29T06:05:04+01:00", "utc": "2012-01-29T05:05:04Z", "ms": 1327813503724.4426 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2012-01-30", "window": { "start": { "local": "2012-01-30T04:33:22+01:00", "utc": "2012-01-30T03:33:22Z", "ms": 1327894402364.1619 }, "end": { "local": "2012-01-30T06:05:26+01:00", "utc": "2012-01-30T05:05:26Z", "ms": 1327899925774.1245 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:15 on Sun 29 Jan to 15:49 on Mon 30 Jan.", "fact": "2012-01-29T12:14:56Z → 2012-01-30T14:49:24Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:33–06:05 on the 29th, 04:33–06:05 on the 30th.", "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 92 minutes on the 29th and 92 of 92 on the 30th.", "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 25792 s" }, { "step": "ruling", "text": "Ratha Saptamī, Luanda, 2012: Monday 30 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": "2012-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-01-30", "confidence": "determinate" } ], "quote": "In Luanda, Ratha Saptamī 2012 falls on Monday 30 January. Saptamī runs from 13:15 on Sun 29 Jan to 15:49 on Mon 30 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-02-03", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20438, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-02-02T23:01:00+01:00", "utc": "2012-02-02T22:01:00Z", "ms": 1328220059728.8398 }, "end": { "local": "2012-02-04T00:26:28+01:00", "utc": "2012-02-03T23:26:28Z", "ms": 1328311588304.6484 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-02-02T23:01:00+01:00", "utc": "2012-02-02T22:01:00Z", "ms": 1328220059728.8398 }, "end": { "local": "2012-02-04T00:26:28+01:00", "utc": "2012-02-03T23:26:28Z", "ms": 1328311588304.6484 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-02-03", "window": { "start": { "local": "2012-02-03T06:06:47+01:00", "utc": "2012-02-03T05:06:47Z", "ms": 1328245607414.3826 }, "end": { "local": "2012-02-03T06:06:47+01:00", "utc": "2012-02-03T05:06:47Z", "ms": 1328245607414.3826 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-02-04", "window": { "start": { "local": "2012-02-04T06:07:06+01:00", "utc": "2012-02-04T05:07:06Z", "ms": 1328332026156.6108 }, "end": { "local": "2012-02-04T06:07:06+01:00", "utc": "2012-02-04T05:07:06Z", "ms": 1328332026156.6108 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:01 on Thu 2 Feb to 00:26 on Sat 4 Feb.", "fact": "2012-02-02T22:01:00Z → 2012-02-03T23:26:28Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 3rd and 06:07 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 20438 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Luanda, 2012: Friday 3 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": "2012-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-02-03", "confidence": "determinate" } ], "quote": "In Luanda, Jayā Ekādaśī 2012 falls on Friday 3 February. Ekādaśī runs from 23:01 on Thu 2 Feb to 00:26 on Sat 4 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38939, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2012-02-04T00:26:28+01:00", "utc": "2012-02-03T23:26:28Z", "ms": 1328311588304.6484 }, "end": { "local": "2012-02-05T01:07:59+01:00", "utc": "2012-02-05T00:07:59Z", "ms": 1328400478500.7532 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-02-04T00:26:28+01:00", "utc": "2012-02-03T23:26:28Z", "ms": 1328311588304.6484 }, "end": { "local": "2012-02-05T01:07:59+01:00", "utc": "2012-02-05T00:07:59Z", "ms": 1328400478500.7532 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-02-04", "window": { "start": { "local": "2012-02-04T11:56:52+01:00", "utc": "2012-02-04T10:56:52Z", "ms": 1328353011827.4233 }, "end": { "local": "2012-02-04T12:44:52+01:00", "utc": "2012-02-04T11:44:52Z", "ms": 1328355891827.4233 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-02-05", "window": { "start": { "local": "2012-02-05T11:56:57+01:00", "utc": "2012-02-05T10:56:57Z", "ms": 1328439417240.253 }, "end": { "local": "2012-02-05T12:44:57+01:00", "utc": "2012-02-05T11:44:57Z", "ms": 1328442297240.253 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:26 on Sat 4 Feb to 01:08 on Sun 5 Feb.", "fact": "2012-02-03T23:26:28Z → 2012-02-05T00:07:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 4th, 11:57–12:45 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 38939 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Luanda, 2012: Saturday 4 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-02-04", "confidence": "determinate" } ], "quote": "In Luanda, Bhīṣma Dvādaśī 2012 falls on Saturday 4 February. Dvādaśī runs from 00:26 on Sat 4 Feb to 01:08 on Sun 5 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/pradosha-vrata?on=2012-02-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17824, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-02-05T01:07:59+01:00", "utc": "2012-02-05T00:07:59Z", "ms": 1328400478500.7532 }, "end": { "local": "2012-02-06T01:04:00+01:00", "utc": "2012-02-06T00:04:00Z", "ms": 1328486639786.5732 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-02-05T01:07:59+01:00", "utc": "2012-02-05T00:07:59Z", "ms": 1328400478500.7532 }, "end": { "local": "2012-02-06T01:04:00+01:00", "utc": "2012-02-06T00:04:00Z", "ms": 1328486639786.5732 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-02-04", "window": { "start": { "local": "2012-02-04T18:34:37+01:00", "utc": "2012-02-04T17:34:37Z", "ms": 1328376877498.236 }, "end": { "local": "2012-02-04T20:07:00+01:00", "utc": "2012-02-04T19:07:00Z", "ms": 1328382419728.6152 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2012-02-05", "window": { "start": { "local": "2012-02-05T18:34:30+01:00", "utc": "2012-02-05T17:34:30Z", "ms": 1328463270254.4253 }, "end": { "local": "2012-02-05T20:06:56+01:00", "utc": "2012-02-05T19:06:56Z", "ms": 1328468815770.2214 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:08 on Sun 5 Feb to 01:04 on Mon 6 Feb.", "fact": "2012-02-05T00:07:59Z → 2012-02-06T00:04:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:07 on the 4th, 18:35–20:07 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 4th and 92 of 92 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 17824 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2012: Sunday 5 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": "2012-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-02-05", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2012 falls on Sunday 5 February. Trayodaśī runs from 01:08 on Sun 5 Feb to 01:04 on Mon 6 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-02-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36519, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-02-07T00:17:18+01:00", "utc": "2012-02-06T23:17:18Z", "ms": 1328570237981.7456 }, "end": { "local": "2012-02-07T22:53:45+01:00", "utc": "2012-02-07T21:53:45Z", "ms": 1328651624936.273 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2012-02-07T00:17:18+01:00", "utc": "2012-02-06T23:17:18Z", "ms": 1328570237981.7456 }, "end": { "local": "2012-02-07T22:53:45+01:00", "utc": "2012-02-07T21:53:45Z", "ms": 1328651624936.273 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-02-06", "window": { "start": { "local": "2012-02-06T11:57:02+01:00", "utc": "2012-02-06T10:57:02Z", "ms": 1328525821836.626 }, "end": { "local": "2012-02-06T12:45:02+01:00", "utc": "2012-02-06T11:45:02Z", "ms": 1328528701836.626 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-02-07", "window": { "start": { "local": "2012-02-07T11:57:06+01:00", "utc": "2012-02-07T10:57:06Z", "ms": 1328612225624.3462 }, "end": { "local": "2012-02-07T12:45:06+01:00", "utc": "2012-02-07T11:45:06Z", "ms": 1328615105624.3462 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:17 on Tue 7 Feb to 22:54 on Tue 7 Feb.", "fact": "2012-02-06T23:17:18Z → 2012-02-07T21:53:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 6th, 11:57–12:45 on the 7th.", "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 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36519 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Luanda, 2012: Tuesday 7 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-02-07", "confidence": "determinate" } ], "quote": "In Luanda, Māghī Pūrṇimā 2012 falls on Tuesday 7 February. Pūrṇimā runs from 00:17 on Tue 7 Feb to 22:54 on Tue 7 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/sankashta-chaturthi?on=2012-02-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15241, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-02-10T16:22:51+01:00", "utc": "2012-02-10T15:22:51Z", "ms": 1328887370751.148 }, "end": { "local": "2012-02-11T13:53:44+01:00", "utc": "2012-02-11T12:53:44Z", "ms": 1328964823774.995 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2012-02-10T16:22:51+01:00", "utc": "2012-02-10T15:22:51Z", "ms": 1328887370751.148 }, "end": { "local": "2012-02-11T13:53:44+01:00", "utc": "2012-02-11T12:53:44Z", "ms": 1328964823774.995 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-02-10", "window": { "start": { "local": "2012-02-10T20:36:52+01:00", "utc": "2012-02-10T19:36:52Z", "ms": 1328902611811.4304 }, "end": { "local": "2012-02-10T20:36:52+01:00", "utc": "2012-02-10T19:36:52Z", "ms": 1328902611811.4304 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-02-11", "window": { "start": { "local": "2012-02-11T21:25:14+01:00", "utc": "2012-02-11T20:25:14Z", "ms": 1328991914187.214 }, "end": { "local": "2012-02-11T21:25:14+01:00", "utc": "2012-02-11T20:25:14Z", "ms": 1328991914187.214 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:23 on Fri 10 Feb to 13:54 on Sat 11 Feb.", "fact": "2012-02-10T15:22:51Z → 2012-02-11T12:53:44Z" }, { "step": "kaala", "text": "Moonrise is at 20:37 on the 10th and 21:25 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15241 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2012: Friday 10 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": "2012-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-02-10", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2012 falls on Friday 10 February. Caturthī runs from 16:23 on Fri 10 Feb to 13:54 on Sat 11 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/sankashta-chaturthi?on=2012-02-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/ekadashi?on=2012-02-17", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14556, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-02-17T02:07:34+01:00", "utc": "2012-02-17T01:07:34Z", "ms": 1329440854071.2212 }, "end": { "local": "2012-02-18T00:59:39+01:00", "utc": "2012-02-17T23:59:39Z", "ms": 1329523179114.3406 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2012-02-17T02:07:34+01:00", "utc": "2012-02-17T01:07:34Z", "ms": 1329440854071.2212 }, "end": { "local": "2012-02-18T00:59:39+01:00", "utc": "2012-02-17T23:59:39Z", "ms": 1329523179114.3406 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-02-17", "window": { "start": { "local": "2012-02-17T06:10:10+01:00", "utc": "2012-02-17T05:10:10Z", "ms": 1329455409956.891 }, "end": { "local": "2012-02-17T06:10:10+01:00", "utc": "2012-02-17T05:10:10Z", "ms": 1329455409956.891 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-02-18", "window": { "start": { "local": "2012-02-18T06:10:20+01:00", "utc": "2012-02-18T05:10:20Z", "ms": 1329541819698.0803 }, "end": { "local": "2012-02-18T06:10:20+01:00", "utc": "2012-02-18T05:10:20Z", "ms": 1329541819698.0803 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:08 on Fri 17 Feb to 01:00 on Sat 18 Feb.", "fact": "2012-02-17T01:07:34Z → 2012-02-17T23:59:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 17th and 06:10 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 17th and is not on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14556 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Luanda, 2012: Friday 17 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": "2012-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-02-17", "confidence": "determinate" } ], "quote": "In Luanda, Vijayā Ekādaśī 2012 falls on Friday 17 February. Ekādaśī runs from 02:08 on Fri 17 Feb to 01:00 on Sat 18 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-02-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1340, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-02-19T23:34:37+01:00", "utc": "2012-02-19T22:34:37Z", "ms": 1329690876732.249 }, "end": { "local": "2012-02-20T23:22:16+01:00", "utc": "2012-02-20T22:22:16Z", "ms": 1329776536372.7632 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2012-02-19T23:34:37+01:00", "utc": "2012-02-19T22:34:37Z", "ms": 1329690876732.249 }, "end": { "local": "2012-02-20T23:22:16+01:00", "utc": "2012-02-20T22:22:16Z", "ms": 1329776536372.7632 } }, "kaala": "nishita", "days": [ { "local_date": "2012-02-19", "window": { "start": { "local": "2012-02-19T23:56:56+01:00", "utc": "2012-02-19T22:56:56Z", "ms": 1329692216317.9832 }, "end": { "local": "2012-02-20T00:44:56+01:00", "utc": "2012-02-19T23:44:56Z", "ms": 1329695096317.9832 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-02-20", "window": { "start": { "local": "2012-02-20T23:56:50+01:00", "utc": "2012-02-20T22:56:50Z", "ms": 1329778610317.798 }, "end": { "local": "2012-02-21T00:44:50+01:00", "utc": "2012-02-20T23:44:50Z", "ms": 1329781490317.798 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:35 on Sun 19 Feb to 23:22 on Mon 20 Feb.", "fact": "2012-02-19T22:34:37Z → 2012-02-20T22:22:16Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:57–00:45 on the 19th, 23:57–00:45 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 1340 s" }, { "step": "ruling", "text": "Mahāśivarātri, Luanda, 2012: Sunday 19 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": "2012-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-02-19", "confidence": "determinate" } ], "quote": "In Luanda, Mahāśivarātri (Shivratri) 2012 falls on Sunday 19 February. Caturdaśī runs from 23:35 on Sun 19 Feb to 23:22 on Mon 20 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/pradosha-vrata?on=2012-02-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12607, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-02-19T00:08:02+01:00", "utc": "2012-02-18T23:08:02Z", "ms": 1329606482180.663 }, "end": { "local": "2012-02-19T23:34:37+01:00", "utc": "2012-02-19T22:34:37Z", "ms": 1329690876732.249 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2012-02-19T00:08:02+01:00", "utc": "2012-02-18T23:08:02Z", "ms": 1329606482180.663 }, "end": { "local": "2012-02-19T23:34:37+01:00", "utc": "2012-02-19T22:34:37Z", "ms": 1329690876732.249 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-02-18", "window": { "start": { "local": "2012-02-18T18:31:34+01:00", "utc": "2012-02-18T17:31:34Z", "ms": 1329586294471.1963 }, "end": { "local": "2012-02-18T20:04:46+01:00", "utc": "2012-02-18T19:04:46Z", "ms": 1329591885720.4824 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2012-02-19", "window": { "start": { "local": "2012-02-19T18:31:15+01:00", "utc": "2012-02-19T17:31:15Z", "ms": 1329672675245.3826 }, "end": { "local": "2012-02-19T20:04:30+01:00", "utc": "2012-02-19T19:04:30Z", "ms": 1329678270198.0762 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:08 on Sun 19 Feb to 23:35 on Sun 19 Feb.", "fact": "2012-02-18T23:08:02Z → 2012-02-19T22:34:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–20:05 on the 18th, 18:31–20:05 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 18th and 93 of 93 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12607 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2012: Sunday 19 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": "2012-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-02-19", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2012 falls on Sunday 19 February. Trayodaśī runs from 00:08 on Sun 19 Feb to 23:35 on Sun 19 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-02-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/vinayaka-chaturthi?on=2012-02-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-02-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23729, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-02-25T03:09:24+01:00", "utc": "2012-02-25T02:09:24Z", "ms": 1330135764105.2935 }, "end": { "local": "2012-02-26T05:20:29+01:00", "utc": "2012-02-26T04:20:29Z", "ms": 1330230029287.3694 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2012-02-25T03:09:24+01:00", "utc": "2012-02-25T02:09:24Z", "ms": 1330135764105.2935 }, "end": { "local": "2012-02-26T05:20:29+01:00", "utc": "2012-02-26T04:20:29Z", "ms": 1330230029287.3694 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-02-25", "window": { "start": { "local": "2012-02-25T11:56:08+01:00", "utc": "2012-02-25T10:56:08Z", "ms": 1330167368213.6895 }, "end": { "local": "2012-02-25T12:44:08+01:00", "utc": "2012-02-25T11:44:08Z", "ms": 1330170248213.6895 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-02-26", "window": { "start": { "local": "2012-02-26T11:55:59+01:00", "utc": "2012-02-26T10:55:59Z", "ms": 1330253758758.077 }, "end": { "local": "2012-02-26T12:43:59+01:00", "utc": "2012-02-26T11:43:59Z", "ms": 1330256638758.077 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:09 on Sat 25 Feb to 05:20 on Sun 26 Feb.", "fact": "2012-02-25T02:09:24Z → 2012-02-26T04:20:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 25th, 11:56–12:44 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23729 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2012: Saturday 25 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": "2012-02-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-02-25", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2012 falls on Saturday 25 February. Caturthī runs from 03:09 on Sat 25 Feb to 05:20 on Sun 26 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/vinayaka-chaturthi?on=2012-02-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/ekadashi?on=2012-03-04", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42378, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-03-03T17:57:55+01:00", "utc": "2012-03-03T16:57:55Z", "ms": 1330793874959.675 }, "end": { "local": "2012-03-04T18:00:17+01:00", "utc": "2012-03-04T17:00:17Z", "ms": 1330880417085.3296 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2012-03-03T17:57:55+01:00", "utc": "2012-03-03T16:57:55Z", "ms": 1330793874959.675 }, "end": { "local": "2012-03-04T18:00:17+01:00", "utc": "2012-03-04T17:00:17Z", "ms": 1330880417085.3296 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-03-03", "window": { "start": { "local": "2012-03-03T06:11:37+01:00", "utc": "2012-03-03T05:11:37Z", "ms": 1330751496636.8145 }, "end": { "local": "2012-03-03T06:11:37+01:00", "utc": "2012-03-03T05:11:37Z", "ms": 1330751496636.8145 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-03-04", "window": { "start": { "local": "2012-03-04T06:11:38+01:00", "utc": "2012-03-04T05:11:38Z", "ms": 1330837898302.5723 }, "end": { "local": "2012-03-04T06:11:38+01:00", "utc": "2012-03-04T05:11:38Z", "ms": 1330837898302.5723 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:58 on Sat 3 Mar to 18:00 on Sun 4 Mar.", "fact": "2012-03-03T16:57:55Z → 2012-03-04T17:00:17Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 3rd and 06:12 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 42378 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Luanda, 2012: Sunday 4 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": "2012-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-04", "confidence": "determinate" } ], "quote": "In Luanda, Āmalakī Ekādaśī 2012 falls on Sunday 4 March. Ekādaśī runs from 17:58 on Sat 3 Mar to 18:00 on Sun 4 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-03-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-03-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4402, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-03-05T17:11:46+01:00", "utc": "2012-03-05T16:11:46Z", "ms": 1330963905560.2693 }, "end": { "local": "2012-03-06T15:36:47+01:00", "utc": "2012-03-06T14:36:47Z", "ms": 1331044606610.218 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2012-03-05T17:11:46+01:00", "utc": "2012-03-05T16:11:46Z", "ms": 1330963905560.2693 }, "end": { "local": "2012-03-06T15:36:47+01:00", "utc": "2012-03-06T14:36:47Z", "ms": 1331044606610.218 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-03-05", "window": { "start": { "local": "2012-03-05T18:25:08+01:00", "utc": "2012-03-05T17:25:08Z", "ms": 1330968307917.029 }, "end": { "local": "2012-03-05T19:59:20+01:00", "utc": "2012-03-05T18:59:20Z", "ms": 1330973960240.947 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2012-03-06", "window": { "start": { "local": "2012-03-06T18:24:39+01:00", "utc": "2012-03-06T17:24:39Z", "ms": 1331054679046.709 }, "end": { "local": "2012-03-06T19:58:55+01:00", "utc": "2012-03-06T18:58:55Z", "ms": 1331060335275.4568 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:12 on Mon 5 Mar to 15:37 on Tue 6 Mar.", "fact": "2012-03-05T16:11:46Z → 2012-03-06T14:36:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–19:59 on the 5th, 18:25–19:59 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 94 of 94 minutes on the 5th and 0 of 94 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 4402 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2012: Monday 5 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": "2012-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-05", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2012 falls on Monday 5 March. Trayodaśī runs from 17:12 on Mon 5 Mar to 15:37 on Tue 6 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-03-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9287, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-03-07T13:22:53+01:00", "utc": "2012-03-07T12:22:53Z", "ms": 1331122972645.581 }, "end": { "local": "2012-03-08T10:39:29+01:00", "utc": "2012-03-08T09:39:29Z", "ms": 1331199568959.7388 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2012-03-07T13:22:53+01:00", "utc": "2012-03-07T12:22:53Z", "ms": 1331122972645.581 }, "end": { "local": "2012-03-08T10:39:29+01:00", "utc": "2012-03-08T09:39:29Z", "ms": 1331199568959.7388 } }, "kaala": "sayahna", "days": [ { "local_date": "2012-03-07", "window": { "start": { "local": "2012-03-07T15:57:40+01:00", "utc": "2012-03-07T14:57:40Z", "ms": 1331132259957.8037 }, "end": { "local": "2012-03-07T18:24:10+01:00", "utc": "2012-03-07T17:24:10Z", "ms": 1331141049756.6755 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "2012-03-08", "window": { "start": { "local": "2012-03-08T15:57:16+01:00", "utc": "2012-03-08T14:57:16Z", "ms": 1331218636218.828 }, "end": { "local": "2012-03-08T18:23:40+01:00", "utc": "2012-03-08T17:23:40Z", "ms": 1331227420073.1687 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:23 on Wed 7 Mar to 10:39 on Thu 8 Mar.", "fact": "2012-03-07T12:22:53Z → 2012-03-08T09:39:29Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:58–18:24 on the 7th, 15:57–18:24 on the 8th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 146 of 146 minutes on the 7th and 0 of 146 on the 8th.", "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 9287 s" }, { "step": "ruling", "text": "Holikā Dahana, Luanda, 2012: Wednesday 7 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": "2012-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-07", "confidence": "determinate" } ], "quote": "In Luanda, Holikā Dahana 2012 falls on Wednesday 7 March. Pūrṇimā runs from 13:23 on Wed 7 Mar to 10:39 on Thu 8 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9287, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-03-07T13:22:53+01:00", "utc": "2012-03-07T12:22:53Z", "ms": 1331122972645.581 }, "end": { "local": "2012-03-08T10:39:29+01:00", "utc": "2012-03-08T09:39:29Z", "ms": 1331199568959.7388 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2012-03-07T13:22:53+01:00", "utc": "2012-03-07T12:22:53Z", "ms": 1331122972645.581 }, "end": { "local": "2012-03-08T10:39:29+01:00", "utc": "2012-03-08T09:39:29Z", "ms": 1331199568959.7388 } }, "kaala": "sayahna", "days": [ { "local_date": "2012-03-07", "window": { "start": { "local": "2012-03-07T15:57:40+01:00", "utc": "2012-03-07T14:57:40Z", "ms": 1331132259957.8037 }, "end": { "local": "2012-03-07T18:24:10+01:00", "utc": "2012-03-07T17:24:10Z", "ms": 1331141049756.6755 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "2012-03-08", "window": { "start": { "local": "2012-03-08T15:57:16+01:00", "utc": "2012-03-08T14:57:16Z", "ms": 1331218636218.828 }, "end": { "local": "2012-03-08T18:23:40+01:00", "utc": "2012-03-08T17:23:40Z", "ms": 1331227420073.1687 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2012-03-07", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:23 on Wed 7 Mar to 10:39 on Thu 8 Mar.", "fact": "2012-03-07T12:22:53Z → 2012-03-08T09:39:29Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:58–18:24 on the 7th, 15:57–18:24 on the 8th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 146 of 146 minutes on the 7th and 0 of 146 on the 8th.", "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 9287 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Wednesday 7 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Luanda, 2012: Thursday 8 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": "2012-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-08", "confidence": "determinate" } ], "quote": "In Luanda, Holī 2012 falls on Thursday 8 March. It is kept the day after Holikā Dahana, which falls on Wednesday 7 March. Pūrṇimā runs from 13:23 on Wed 7 Mar to 10:39 on Thu 8 Mar and covers all of sāyāhna on the 7th.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5112, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2012-03-08T10:39:29+01:00", "utc": "2012-03-08T09:39:29Z", "ms": 1331199568959.7388 }, "end": { "local": "2012-03-09T07:36:52+01:00", "utc": "2012-03-09T06:36:52Z", "ms": 1331275012261.9644 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-03-08T10:39:29+01:00", "utc": "2012-03-08T09:39:29Z", "ms": 1331199568959.7388 }, "end": { "local": "2012-03-09T07:36:52+01:00", "utc": "2012-03-09T06:36:52Z", "ms": 1331275012261.9644 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-03-08", "window": { "start": { "local": "2012-03-08T06:11:41+01:00", "utc": "2012-03-08T05:11:41Z", "ms": 1331183500801.465 }, "end": { "local": "2012-03-08T06:11:41+01:00", "utc": "2012-03-08T05:11:41Z", "ms": 1331183500801.465 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-03-09", "window": { "start": { "local": "2012-03-09T06:11:40+01:00", "utc": "2012-03-09T05:11:40Z", "ms": 1331269900485.6362 }, "end": { "local": "2012-03-09T06:11:40+01:00", "utc": "2012-03-09T05:11:40Z", "ms": 1331269900485.6362 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:39 on Thu 8 Mar to 07:37 on Fri 9 Mar.", "fact": "2012-03-08T09:39:29Z → 2012-03-09T06:36:52Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 8th and 06:12 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā 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: purvaviddha → only-day · margin 5112 s" }, { "step": "ruling", "text": "Vasantotsava, Luanda, 2012: Friday 9 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": "2012-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-09", "confidence": "determinate" } ], "quote": "In Luanda, Vasantotsava 2012 falls on Friday 9 March. Pratipadā runs from 10:39 on Thu 8 Mar to 07:37 on Fri 9 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/sankashta-chaturthi?on=2012-03-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4319, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-03-11T01:14:48+01:00", "utc": "2012-03-11T00:14:48Z", "ms": 1331424887697.7917 }, "end": { "local": "2012-03-11T22:13:51+01:00", "utc": "2012-03-11T21:13:51Z", "ms": 1331500430735.6763 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-03-11T01:14:48+01:00", "utc": "2012-03-11T00:14:48Z", "ms": 1331424887697.7917 }, "end": { "local": "2012-03-11T22:13:51+01:00", "utc": "2012-03-11T21:13:51Z", "ms": 1331500430735.6763 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-03-10", "window": { "start": { "local": "2012-03-10T20:08:05+01:00", "utc": "2012-03-10T19:08:05Z", "ms": 1331406485449.9392 }, "end": { "local": "2012-03-10T20:08:05+01:00", "utc": "2012-03-10T19:08:05Z", "ms": 1331406485449.9392 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-03-11", "window": { "start": { "local": "2012-03-11T21:01:51+01:00", "utc": "2012-03-11T20:01:51Z", "ms": 1331496111376.0884 }, "end": { "local": "2012-03-11T21:01:51+01:00", "utc": "2012-03-11T20:01:51Z", "ms": 1331496111376.0884 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:15 on Sun 11 Mar to 22:14 on Sun 11 Mar.", "fact": "2012-03-11T00:14:48Z → 2012-03-11T21:13:51Z" }, { "step": "kaala", "text": "Moonrise is at 20:08 on the 10th and 21:02 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4319 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2012: Sunday 11 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": "2012-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-11", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2012 falls on Sunday 11 March. Caturthī runs from 01:15 on Sun 11 Mar to 22:14 on Sun 11 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/sankashta-chaturthi?on=2012-03-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3894, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2012-03-14T15:12:35+01:00", "utc": "2012-03-14T14:12:35Z", "ms": 1331734355354.1829 }, "end": { "local": "2012-03-15T13:44:42+01:00", "utc": "2012-03-15T12:44:42Z", "ms": 1331815481546.4192 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-03-14T15:12:35+01:00", "utc": "2012-03-14T14:12:35Z", "ms": 1331734355354.1829 }, "end": { "local": "2012-03-15T13:44:42+01:00", "utc": "2012-03-15T12:44:42Z", "ms": 1331815481546.4192 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-03-14", "window": { "start": { "local": "2012-03-14T11:52:05+01:00", "utc": "2012-03-14T10:52:05Z", "ms": 1331722324785.1118 }, "end": { "local": "2012-03-14T12:40:05+01:00", "utc": "2012-03-14T11:40:05Z", "ms": 1331725204785.1118 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-03-15", "window": { "start": { "local": "2012-03-15T11:51:48+01:00", "utc": "2012-03-15T10:51:48Z", "ms": 1331808707942.9038 }, "end": { "local": "2012-03-15T12:39:48+01:00", "utc": "2012-03-15T11:39:48Z", "ms": 1331811587942.9038 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 15:13 on Wed 14 Mar to 13:45 on Thu 15 Mar.", "fact": "2012-03-14T14:12:35Z → 2012-03-15T12:44:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 14th, 11:52–12:40 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3894 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Luanda, 2012: Thursday 15 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": "2012-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-15", "confidence": "determinate" } ], "quote": "In Luanda, Śītalāṣṭamī 2012 falls on Thursday 15 March. Aṣṭamī runs from 15:13 on Wed 14 Mar to 13:45 on Thu 15 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-03-18", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21160, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-03-17T12:11:32+01:00", "utc": "2012-03-17T11:11:32Z", "ms": 1331982691929.89 }, "end": { "local": "2012-03-18T12:04:05+01:00", "utc": "2012-03-18T11:04:05Z", "ms": 1332068645024.8865 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-03-17T12:11:32+01:00", "utc": "2012-03-17T11:11:32Z", "ms": 1331982691929.89 }, "end": { "local": "2012-03-18T12:04:05+01:00", "utc": "2012-03-18T11:04:05Z", "ms": 1332068645024.8865 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-03-17", "window": { "start": { "local": "2012-03-17T06:11:28+01:00", "utc": "2012-03-17T05:11:28Z", "ms": 1331961087781.4622 }, "end": { "local": "2012-03-17T06:11:28+01:00", "utc": "2012-03-17T05:11:28Z", "ms": 1331961087781.4622 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-03-18", "window": { "start": { "local": "2012-03-18T06:11:25+01:00", "utc": "2012-03-18T05:11:25Z", "ms": 1332047485212.5583 }, "end": { "local": "2012-03-18T06:11:25+01:00", "utc": "2012-03-18T05:11:25Z", "ms": 1332047485212.5583 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:12 on Sat 17 Mar to 12:04 on Sun 18 Mar.", "fact": "2012-03-17T11:11:32Z → 2012-03-18T11:04:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 17th and 06:11 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21160 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Luanda, 2012: Sunday 18 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": "2012-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-18", "confidence": "determinate" } ], "quote": "In Luanda, Pāpamocanī Ekādaśī 2012 falls on Sunday 18 March. Ekādaśī runs from 12:12 on Sat 17 Mar to 12:04 on Sun 18 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-03-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18899, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-03-19T12:21:13+01:00", "utc": "2012-03-19T11:21:13Z", "ms": 1332156072847.0845 }, "end": { "local": "2012-03-20T13:02:24+01:00", "utc": "2012-03-20T12:02:24Z", "ms": 1332244943749.8423 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-03-19T12:21:13+01:00", "utc": "2012-03-19T11:21:13Z", "ms": 1332156072847.0845 }, "end": { "local": "2012-03-20T13:02:24+01:00", "utc": "2012-03-20T12:02:24Z", "ms": 1332244943749.8423 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-03-19", "window": { "start": { "local": "2012-03-19T18:17:55+01:00", "utc": "2012-03-19T17:17:55Z", "ms": 1332177475044.357 }, "end": { "local": "2012-03-19T19:53:02+01:00", "utc": "2012-03-19T18:53:02Z", "ms": 1332183182319.0496 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "2012-03-20", "window": { "start": { "local": "2012-03-20T18:17:23+01:00", "utc": "2012-03-20T17:17:23Z", "ms": 1332263842609.4414 }, "end": { "local": "2012-03-20T19:52:34+01:00", "utc": "2012-03-20T18:52:34Z", "ms": 1332269553807.5725 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:21 on Mon 19 Mar to 13:02 on Tue 20 Mar.", "fact": "2012-03-19T11:21:13Z → 2012-03-20T12:02:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:53 on the 19th, 18:17–19:53 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 95 of 95 minutes on the 19th and 0 of 95 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 18899 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2012: Monday 19 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-19", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2012 falls on Monday 19 March. Trayodaśī runs from 12:21 on Mon 19 Mar to 13:02 on Tue 20 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-03-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/shivaratri?on=2012-03-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34943, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-03-20T13:02:24+01:00", "utc": "2012-03-20T12:02:24Z", "ms": 1332244943749.8423 }, "end": { "local": "2012-03-21T14:07:39+01:00", "utc": "2012-03-21T13:07:39Z", "ms": 1332335258687.2737 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-03-20T13:02:24+01:00", "utc": "2012-03-20T12:02:24Z", "ms": 1332244943749.8423 }, "end": { "local": "2012-03-21T14:07:39+01:00", "utc": "2012-03-21T13:07:39Z", "ms": 1332335258687.2737 } }, "kaala": "nishita", "days": [ { "local_date": "2012-03-20", "window": { "start": { "local": "2012-03-20T23:50:20+01:00", "utc": "2012-03-20T22:50:20Z", "ms": 1332283819602.4333 }, "end": { "local": "2012-03-21T00:38:20+01:00", "utc": "2012-03-20T23:38:20Z", "ms": 1332286699602.4333 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-03-21", "window": { "start": { "local": "2012-03-21T23:50:02+01:00", "utc": "2012-03-21T22:50:02Z", "ms": 1332370201778.3472 }, "end": { "local": "2012-03-22T00:38:02+01:00", "utc": "2012-03-21T23:38:02Z", "ms": 1332373081778.3472 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:02 on Tue 20 Mar to 14:08 on Wed 21 Mar.", "fact": "2012-03-20T12:02:24Z → 2012-03-21T13:07:39Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 20th, 23:50–00:38 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34943 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2012: Tuesday 20 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": "2012-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-20", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri (Masik Shivaratri) 2012 falls on Tuesday 20 March. Caturdaśī runs from 13:02 on Tue 20 Mar to 14:08 on Wed 21 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/shivaratri?on=2012-03-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10761, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2012-03-22T15:37:07+01:00", "utc": "2012-03-22T14:37:07Z", "ms": 1332427026831.088 }, "end": { "local": "2012-03-23T17:30:20+01:00", "utc": "2012-03-23T16:30:20Z", "ms": 1332520220239.3325 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-03-22T15:37:07+01:00", "utc": "2012-03-22T14:37:07Z", "ms": 1332427026831.088 }, "end": { "local": "2012-03-23T17:30:20+01:00", "utc": "2012-03-23T16:30:20Z", "ms": 1332520220239.3325 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-03-22", "window": { "start": { "local": "2012-03-22T11:49:45+01:00", "utc": "2012-03-22T10:49:45Z", "ms": 1332413385483.6382 }, "end": { "local": "2012-03-22T12:37:45+01:00", "utc": "2012-03-22T11:37:45Z", "ms": 1332416265483.6382 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-03-23", "window": { "start": { "local": "2012-03-23T11:49:28+01:00", "utc": "2012-03-23T10:49:28Z", "ms": 1332499767550.5635 }, "end": { "local": "2012-03-23T12:37:28+01:00", "utc": "2012-03-23T11:37:28Z", "ms": 1332502647550.5635 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:37 on Thu 22 Mar to 17:30 on Fri 23 Mar.", "fact": "2012-03-22T14:37:07Z → 2012-03-23T16:30:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 22nd, 11:49–12:37 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10761 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Luanda, 2012: Friday 23 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": "2012-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-23", "confidence": "determinate" } ], "quote": "In Luanda, Navarātrārambha (Caitra) (Chaitra Navratri) 2012 falls on Friday 23 March. Pratipadā runs from 15:37 on Thu 22 Mar to 17:30 on Fri 23 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25686, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2012-03-24T19:45:15+01:00", "utc": "2012-03-24T18:45:15Z", "ms": 1332614715319.554 }, "end": { "local": "2012-03-25T22:17:14+01:00", "utc": "2012-03-25T21:17:14Z", "ms": 1332710234378.3372 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-03-24T19:45:15+01:00", "utc": "2012-03-24T18:45:15Z", "ms": 1332614715319.554 }, "end": { "local": "2012-03-25T22:17:14+01:00", "utc": "2012-03-25T21:17:14Z", "ms": 1332710234378.3372 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-03-24", "window": { "start": { "local": "2012-03-24T11:49:10+01:00", "utc": "2012-03-24T10:49:10Z", "ms": 1332586149559.3125 }, "end": { "local": "2012-03-24T12:37:10+01:00", "utc": "2012-03-24T11:37:10Z", "ms": 1332589029559.3125 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-03-25", "window": { "start": { "local": "2012-03-25T11:48:52+01:00", "utc": "2012-03-25T10:48:52Z", "ms": 1332672531527.0432 }, "end": { "local": "2012-03-25T12:36:52+01:00", "utc": "2012-03-25T11:36:52Z", "ms": 1332675411527.0432 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:45 on Sat 24 Mar to 22:17 on Sun 25 Mar.", "fact": "2012-03-24T18:45:15Z → 2012-03-25T21:17:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 24th, 11:49–12:37 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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 25686 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Luanda, 2012: Sunday 25 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": "2012-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-25", "confidence": "determinate" } ], "quote": "In Luanda, Gaurī Tṛtīyā (Gangaur) 2012 falls on Sunday 25 March. Tṛtīyā runs from 19:45 on Sat 24 Mar to 22:17 on Sun 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25686, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2012-03-24T19:45:15+01:00", "utc": "2012-03-24T18:45:15Z", "ms": 1332614715319.554 }, "end": { "local": "2012-03-25T22:17:14+01:00", "utc": "2012-03-25T21:17:14Z", "ms": 1332710234378.3372 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-03-24T19:45:15+01:00", "utc": "2012-03-24T18:45:15Z", "ms": 1332614715319.554 }, "end": { "local": "2012-03-25T22:17:14+01:00", "utc": "2012-03-25T21:17:14Z", "ms": 1332710234378.3372 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-03-24", "window": { "start": { "local": "2012-03-24T11:49:10+01:00", "utc": "2012-03-24T10:49:10Z", "ms": 1332586149559.3125 }, "end": { "local": "2012-03-24T12:37:10+01:00", "utc": "2012-03-24T11:37:10Z", "ms": 1332589029559.3125 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-03-25", "window": { "start": { "local": "2012-03-25T11:48:52+01:00", "utc": "2012-03-25T10:48:52Z", "ms": 1332672531527.0432 }, "end": { "local": "2012-03-25T12:36:52+01:00", "utc": "2012-03-25T11:36:52Z", "ms": 1332675411527.0432 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:45 on Sat 24 Mar to 22:17 on Sun 25 Mar.", "fact": "2012-03-24T18:45:15Z → 2012-03-25T21:17:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 24th, 11:49–12:37 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25686 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Luanda, 2012: Sunday 25 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": "2012-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-25", "confidence": "determinate" } ], "quote": "In Luanda, Saubhāgya Śayana Vrata 2012 falls on Sunday 25 March. Tṛtīyā runs from 19:45 on Sat 24 Mar to 22:17 on Sun 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/vinayaka-chaturthi?on=2012-03-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34823, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-03-25T22:17:14+01:00", "utc": "2012-03-25T21:17:14Z", "ms": 1332710234378.3372 }, "end": { "local": "2012-03-27T00:58:26+01:00", "utc": "2012-03-26T23:58:26Z", "ms": 1332806306399.581 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-03-25T22:17:14+01:00", "utc": "2012-03-25T21:17:14Z", "ms": 1332710234378.3372 }, "end": { "local": "2012-03-27T00:58:26+01:00", "utc": "2012-03-26T23:58:26Z", "ms": 1332806306399.581 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-03-25", "window": { "start": { "local": "2012-03-25T11:48:52+01:00", "utc": "2012-03-25T10:48:52Z", "ms": 1332672531527.0432 }, "end": { "local": "2012-03-25T12:36:52+01:00", "utc": "2012-03-25T11:36:52Z", "ms": 1332675411527.0432 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-03-26", "window": { "start": { "local": "2012-03-26T11:48:33+01:00", "utc": "2012-03-26T10:48:33Z", "ms": 1332758913471.0486 }, "end": { "local": "2012-03-26T12:36:33+01:00", "utc": "2012-03-26T11:36:33Z", "ms": 1332761793471.0486 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:17 on Sun 25 Mar to 00:58 on Tue 27 Mar.", "fact": "2012-03-25T21:17:14Z → 2012-03-26T23:58:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 25th, 11:49–12:37 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34823 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2012: Monday 26 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": "2012-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-26", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2012 falls on Monday 26 March. Caturthī runs from 22:17 on Sun 25 Mar to 00:58 on Tue 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/vinayaka-chaturthi?on=2012-03-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29409, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2012-03-27T00:58:26+01:00", "utc": "2012-03-26T23:58:26Z", "ms": 1332806306399.581 }, "end": { "local": "2012-03-28T03:37:49+01:00", "utc": "2012-03-28T02:37:49Z", "ms": 1332902268799.7554 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-03-27T00:58:26+01:00", "utc": "2012-03-26T23:58:26Z", "ms": 1332806306399.581 }, "end": { "local": "2012-03-28T03:37:49+01:00", "utc": "2012-03-28T02:37:49Z", "ms": 1332902268799.7554 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-03-27", "window": { "start": { "local": "2012-03-27T11:48:15+01:00", "utc": "2012-03-27T10:48:15Z", "ms": 1332845295408.786 }, "end": { "local": "2012-03-27T12:36:15+01:00", "utc": "2012-03-27T11:36:15Z", "ms": 1332848175408.786 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-03-28", "window": { "start": { "local": "2012-03-28T11:47:57+01:00", "utc": "2012-03-28T10:47:57Z", "ms": 1332931677357.896 }, "end": { "local": "2012-03-28T12:35:57+01:00", "utc": "2012-03-28T11:35:57Z", "ms": 1332934557357.896 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:58 on Tue 27 Mar to 03:38 on Wed 28 Mar.", "fact": "2012-03-26T23:58:26Z → 2012-03-28T02:37:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 27th, 11:48–12:36 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29409 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Luanda, 2012: Tuesday 27 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": "2012-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-27", "confidence": "determinate" } ], "quote": "In Luanda, Lakṣmī Pañcamī 2012 falls on Tuesday 27 March. Pañcamī runs from 00:58 on Tue 27 Mar to 03:38 on Wed 28 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9282, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2012-03-30T07:57:34+01:00", "utc": "2012-03-30T06:57:34Z", "ms": 1333090654050.7085 }, "end": { "local": "2012-03-31T09:12:21+01:00", "utc": "2012-03-31T08:12:21Z", "ms": 1333181541210.2014 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-03-30T07:57:34+01:00", "utc": "2012-03-30T06:57:34Z", "ms": 1333090654050.7085 }, "end": { "local": "2012-03-31T09:12:21+01:00", "utc": "2012-03-31T08:12:21Z", "ms": 1333181541210.2014 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-03-30", "window": { "start": { "local": "2012-03-30T11:47:21+01:00", "utc": "2012-03-30T10:47:21Z", "ms": 1333104441361.8298 }, "end": { "local": "2012-03-30T12:35:21+01:00", "utc": "2012-03-30T11:35:21Z", "ms": 1333107321361.8298 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-03-31", "window": { "start": { "local": "2012-03-31T11:47:03+01:00", "utc": "2012-03-31T10:47:03Z", "ms": 1333190823453.0818 }, "end": { "local": "2012-03-31T12:35:03+01:00", "utc": "2012-03-31T11:35:03Z", "ms": 1333193703453.0818 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:58 on Fri 30 Mar to 09:12 on Sat 31 Mar.", "fact": "2012-03-30T06:57:34Z → 2012-03-31T08:12:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 30th, 11:47–12:35 on the 31st.", "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 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 9282 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Luanda, 2012: Friday 30 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": "2012-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-30", "confidence": "determinate" } ], "quote": "In Luanda, Bhavānī Utpatti 2012 falls on Friday 30 March. Aṣṭamī runs from 07:58 on Fri 30 Mar to 09:12 on Sat 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7715, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2012-03-31T09:12:21+01:00", "utc": "2012-03-31T08:12:21Z", "ms": 1333181541210.2014 }, "end": { "local": "2012-04-01T09:38:11+01:00", "utc": "2012-04-01T08:38:11Z", "ms": 1333269490745.3296 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-03-31T09:12:21+01:00", "utc": "2012-03-31T08:12:21Z", "ms": 1333181541210.2014 }, "end": { "local": "2012-04-01T09:38:11+01:00", "utc": "2012-04-01T08:38:11Z", "ms": 1333269490745.3296 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-03-31", "window": { "start": { "local": "2012-03-31T11:47:03+01:00", "utc": "2012-03-31T10:47:03Z", "ms": 1333190823453.0818 }, "end": { "local": "2012-03-31T12:35:03+01:00", "utc": "2012-03-31T11:35:03Z", "ms": 1333193703453.0818 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-04-01", "window": { "start": { "local": "2012-04-01T11:46:46+01:00", "utc": "2012-04-01T10:46:46Z", "ms": 1333277205628.7349 }, "end": { "local": "2012-04-01T12:34:46+01:00", "utc": "2012-04-01T11:34:46Z", "ms": 1333280085628.7349 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 09:12 on Sat 31 Mar to 09:38 on Sun 1 Apr.", "fact": "2012-03-31T08:12:21Z → 2012-04-01T08:38:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 31st, 11:47–12:35 on the 1st.", "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 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7715 s" }, { "step": "ruling", "text": "Rāma Navamī, Luanda, 2012: Saturday 31 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": "2012-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-03-31", "confidence": "determinate" } ], "quote": "In Luanda, Rāma Navamī 2012 falls on Saturday 31 March. Navamī runs from 09:12 on Sat 31 Mar to 09:38 on Sun 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-04-03", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6152, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-04-02T09:11:25+01:00", "utc": "2012-04-02T08:11:25Z", "ms": 1333354284942.9912 }, "end": { "local": "2012-04-03T07:53:04+01:00", "utc": "2012-04-03T06:53:04Z", "ms": 1333435984199.29 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-04-02T09:11:25+01:00", "utc": "2012-04-02T08:11:25Z", "ms": 1333354284942.9912 }, "end": { "local": "2012-04-03T07:53:04+01:00", "utc": "2012-04-03T06:53:04Z", "ms": 1333435984199.29 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-04-02", "window": { "start": { "local": "2012-04-02T06:10:36+01:00", "utc": "2012-04-02T05:10:36Z", "ms": 1333343435610.539 }, "end": { "local": "2012-04-02T06:10:36+01:00", "utc": "2012-04-02T05:10:36Z", "ms": 1333343435610.539 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-04-03", "window": { "start": { "local": "2012-04-03T06:10:32+01:00", "utc": "2012-04-03T05:10:32Z", "ms": 1333429832258.0261 }, "end": { "local": "2012-04-03T06:10:32+01:00", "utc": "2012-04-03T05:10:32Z", "ms": 1333429832258.0261 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:11 on Mon 2 Apr to 07:53 on Tue 3 Apr.", "fact": "2012-04-02T08:11:25Z → 2012-04-03T06:53:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 2nd and 06:11 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6152 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Luanda, 2012: Tuesday 3 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": "2012-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-03", "confidence": "determinate" } ], "quote": "In Luanda, Kāmadā Ekādaśī 2012 falls on Tuesday 3 April. Ekādaśī runs from 09:11 on Mon 2 Apr to 07:53 on Tue 3 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-04-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21470, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-04-04T05:48:03+01:00", "utc": "2012-04-04T04:48:03Z", "ms": 1333514883224.5144 }, "end": { "local": "2012-04-05T03:04:08+01:00", "utc": "2012-04-05T02:04:08Z", "ms": 1333591447667.7444 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-04-04T05:48:03+01:00", "utc": "2012-04-04T04:48:03Z", "ms": 1333514883224.5144 }, "end": { "local": "2012-04-05T03:04:08+01:00", "utc": "2012-04-05T02:04:08Z", "ms": 1333591447667.7444 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-04-04", "window": { "start": { "local": "2012-04-04T11:45:53+01:00", "utc": "2012-04-04T10:45:53Z", "ms": 1333536352857.7651 }, "end": { "local": "2012-04-04T12:33:53+01:00", "utc": "2012-04-04T11:33:53Z", "ms": 1333539232857.7651 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-04-05", "window": { "start": { "local": "2012-04-05T11:45:36+01:00", "utc": "2012-04-05T10:45:36Z", "ms": 1333622735570.5046 }, "end": { "local": "2012-04-05T12:33:36+01:00", "utc": "2012-04-05T11:33:36Z", "ms": 1333625615570.5046 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:48 on Wed 4 Apr to 03:04 on Thu 5 Apr.", "fact": "2012-04-04T04:48:03Z → 2012-04-05T02:04:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 4th, 11:46–12:34 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21470 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Luanda, 2012: Wednesday 4 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-04", "confidence": "determinate" } ], "quote": "In Luanda, Anaṅga Trayodaśī 2012 falls on Wednesday 4 April. Trayodaśī runs from 05:48 on Wed 4 Apr to 03:04 on Thu 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/pradosha-vrata?on=2012-04-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26322, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-04-04T05:48:03+01:00", "utc": "2012-04-04T04:48:03Z", "ms": 1333514883224.5144 }, "end": { "local": "2012-04-05T03:04:08+01:00", "utc": "2012-04-05T02:04:08Z", "ms": 1333591447667.7444 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-04-04T05:48:03+01:00", "utc": "2012-04-04T04:48:03Z", "ms": 1333514883224.5144 }, "end": { "local": "2012-04-05T03:04:08+01:00", "utc": "2012-04-05T02:04:08Z", "ms": 1333591447667.7444 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-04-03", "window": { "start": { "local": "2012-04-03T18:09:48+01:00", "utc": "2012-04-03T17:09:48Z", "ms": 1333472988363.5764 }, "end": { "local": "2012-04-03T19:45:54+01:00", "utc": "2012-04-03T18:45:54Z", "ms": 1333478753780.8682 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "2012-04-04", "window": { "start": { "local": "2012-04-04T18:09:17+01:00", "utc": "2012-04-04T17:09:17Z", "ms": 1333559356722.266 }, "end": { "local": "2012-04-04T19:45:26+01:00", "utc": "2012-04-04T18:45:26Z", "ms": 1333565125937.3594 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:48 on Wed 4 Apr to 03:04 on Thu 5 Apr.", "fact": "2012-04-04T04:48:03Z → 2012-04-05T02:04:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:46 on the 3rd, 18:09–19:45 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 96 minutes on the 3rd and 96 of 96 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 26322 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2012: Wednesday 4 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": "2012-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-04", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2012 falls on Wednesday 4 April. Trayodaśī runs from 05:48 on Wed 4 Apr to 03:04 on Thu 5 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31288, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-04-05T03:04:08+01:00", "utc": "2012-04-05T02:04:08Z", "ms": 1333591447667.7444 }, "end": { "local": "2012-04-05T23:50:51+01:00", "utc": "2012-04-05T22:50:51Z", "ms": 1333666250838.3723 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-04-05T03:04:08+01:00", "utc": "2012-04-05T02:04:08Z", "ms": 1333591447667.7444 }, "end": { "local": "2012-04-05T23:50:51+01:00", "utc": "2012-04-05T22:50:51Z", "ms": 1333666250838.3723 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-04-05", "window": { "start": { "local": "2012-04-05T11:45:36+01:00", "utc": "2012-04-05T10:45:36Z", "ms": 1333622735570.5046 }, "end": { "local": "2012-04-05T12:33:36+01:00", "utc": "2012-04-05T11:33:36Z", "ms": 1333625615570.5046 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-04-06", "window": { "start": { "local": "2012-04-06T11:45:18+01:00", "utc": "2012-04-06T10:45:18Z", "ms": 1333709118471.4395 }, "end": { "local": "2012-04-06T12:33:18+01:00", "utc": "2012-04-06T11:33:18Z", "ms": 1333711998471.4395 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:04 on Thu 5 Apr to 23:51 on Thu 5 Apr.", "fact": "2012-04-05T02:04:08Z → 2012-04-05T22:50:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 5th, 11:45–12:33 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31288 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Luanda, 2012: Thursday 5 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-05", "confidence": "determinate" } ], "quote": "In Luanda, Viṣṇudamanaka Caturdaśī 2012 falls on Thursday 5 April. Caturdaśī runs from 03:04 on Thu 5 Apr to 23:51 on Thu 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27922, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-04-05T23:50:51+01:00", "utc": "2012-04-05T22:50:51Z", "ms": 1333666250838.3723 }, "end": { "local": "2012-04-06T20:18:41+01:00", "utc": "2012-04-06T19:18:41Z", "ms": 1333739920710.2073 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2012-04-05T23:50:51+01:00", "utc": "2012-04-05T22:50:51Z", "ms": 1333666250838.3723 }, "end": { "local": "2012-04-06T20:18:41+01:00", "utc": "2012-04-06T19:18:41Z", "ms": 1333739920710.2073 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-04-05", "window": { "start": { "local": "2012-04-05T11:45:36+01:00", "utc": "2012-04-05T10:45:36Z", "ms": 1333622735570.5046 }, "end": { "local": "2012-04-05T12:33:36+01:00", "utc": "2012-04-05T11:33:36Z", "ms": 1333625615570.5046 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-04-06", "window": { "start": { "local": "2012-04-06T11:45:18+01:00", "utc": "2012-04-06T10:45:18Z", "ms": 1333709118471.4395 }, "end": { "local": "2012-04-06T12:33:18+01:00", "utc": "2012-04-06T11:33:18Z", "ms": 1333711998471.4395 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:51 on Thu 5 Apr to 20:19 on Fri 6 Apr.", "fact": "2012-04-05T22:50:51Z → 2012-04-06T19:18:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 5th, 11:45–12:33 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27922 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Luanda, 2012: Friday 6 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chaitri-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-06", "confidence": "determinate" } ], "quote": "In Luanda, Caitrī Pūrṇimā 2012 falls on Friday 6 April. Pūrṇimā runs from 23:51 on Thu 5 Apr to 20:19 on Fri 6 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/sankashta-chaturthi?on=2012-04-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35044, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-04-09T09:34:02+01:00", "utc": "2012-04-09T08:34:02Z", "ms": 1333960442063.8904 }, "end": { "local": "2012-04-10T06:28:30+01:00", "utc": "2012-04-10T05:28:30Z", "ms": 1334035709837.0693 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-04-09T09:34:02+01:00", "utc": "2012-04-09T08:34:02Z", "ms": 1333960442063.8904 }, "end": { "local": "2012-04-10T06:28:30+01:00", "utc": "2012-04-10T05:28:30Z", "ms": 1334035709837.0693 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-04-08", "window": { "start": { "local": "2012-04-08T19:44:50+01:00", "utc": "2012-04-08T18:44:50Z", "ms": 1333910689662.5303 }, "end": { "local": "2012-04-08T19:44:50+01:00", "utc": "2012-04-08T18:44:50Z", "ms": 1333910689662.5303 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-04-09", "window": { "start": { "local": "2012-04-09T20:44:26+01:00", "utc": "2012-04-09T19:44:26Z", "ms": 1334000666089.9358 }, "end": { "local": "2012-04-09T20:44:26+01:00", "utc": "2012-04-09T19:44:26Z", "ms": 1334000666089.9358 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:34 on Mon 9 Apr to 06:28 on Tue 10 Apr.", "fact": "2012-04-09T08:34:02Z → 2012-04-10T05:28:30Z" }, { "step": "kaala", "text": "Moonrise is at 19:45 on the 8th and 20:44 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35044 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2012: Monday 9 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": "2012-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-09", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2012 falls on Monday 9 April. Caturthī runs from 09:34 on Mon 9 Apr to 06:28 on Tue 10 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/sankashta-chaturthi?on=2012-04-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31173, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2012-04-13T14:49:39+01:00", "utc": "2012-04-13T13:49:39Z", "ms": 1334324979430.8855 }, "end": { "local": "2012-05-14T11:40:17+01:00", "utc": "2012-05-14T10:40:17Z", "ms": 1336992016558.9287 } }, "span": { "of": "transit", "start": { "local": "2012-04-13T14:49:39+01:00", "utc": "2012-04-13T13:49:39Z", "ms": 1334324979430.8855 }, "end": { "local": "2012-04-13T14:49:39+01:00", "utc": "2012-04-13T13:49:39Z", "ms": 1334324979430.8855 } }, "kaala": "day", "days": [ { "local_date": "2012-04-12", "window": { "start": { "local": "2012-04-12T06:10:08+01:00", "utc": "2012-04-12T05:10:08Z", "ms": 1334207408436.3628 }, "end": { "local": "2012-04-13T06:10:07+01:00", "utc": "2012-04-13T05:10:07Z", "ms": 1334293806850.5447 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2012-04-13", "window": { "start": { "local": "2012-04-13T06:10:07+01:00", "utc": "2012-04-13T05:10:07Z", "ms": 1334293806850.5447 }, "end": { "local": "2012-04-14T06:10:06+01:00", "utc": "2012-04-14T05:10:06Z", "ms": 1334380205536.667 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 14:50 on Fri 13 Apr.", "fact": "2012-04-13T13:49:39Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:10 on the 12th, and from 06:10 on the 13th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 31173 s" }, { "step": "ruling", "text": "Vaiśākhī, Luanda, 2012: 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": "2012-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2012-04-13", "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": "2012-04-13", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Luanda, Vaiśākhī (Baisakhi) 2012 falls on Friday 13 April. The Sun enters Meṣa at 14:50 on Fri 13 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-04-16", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19979, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-04-15T23:41:35+01:00", "utc": "2012-04-15T22:41:35Z", "ms": 1334529695092.7522 }, "end": { "local": "2012-04-17T00:37:04+01:00", "utc": "2012-04-16T23:37:04Z", "ms": 1334619424068.091 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-04-15T23:41:35+01:00", "utc": "2012-04-15T22:41:35Z", "ms": 1334529695092.7522 }, "end": { "local": "2012-04-17T00:37:04+01:00", "utc": "2012-04-16T23:37:04Z", "ms": 1334619424068.091 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-04-16", "window": { "start": { "local": "2012-04-16T06:10:04+01:00", "utc": "2012-04-16T05:10:04Z", "ms": 1334553003771.9768 }, "end": { "local": "2012-04-16T06:10:04+01:00", "utc": "2012-04-16T05:10:04Z", "ms": 1334553003771.9768 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-04-17", "window": { "start": { "local": "2012-04-17T06:10:03+01:00", "utc": "2012-04-17T05:10:03Z", "ms": 1334639403342.0503 }, "end": { "local": "2012-04-17T06:10:03+01:00", "utc": "2012-04-17T05:10:03Z", "ms": 1334639403342.0503 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:42 on Sun 15 Apr to 00:37 on Tue 17 Apr.", "fact": "2012-04-15T22:41:35Z → 2012-04-16T23:37:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 16th and 06:10 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19979 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Luanda, 2012: Monday 16 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-16", "confidence": "determinate" } ], "quote": "In Luanda, Varūthinī Ekādaśī 2012 falls on Monday 16 April. Ekādaśī runs from 23:42 on Sun 15 Apr to 00:37 on Tue 17 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-04-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-04-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22842, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-04-18T02:00:33+01:00", "utc": "2012-04-18T01:00:33Z", "ms": 1334710833495.8213 }, "end": { "local": "2012-04-19T03:48:01+01:00", "utc": "2012-04-19T02:48:01Z", "ms": 1334803680712.6846 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-04-18T02:00:33+01:00", "utc": "2012-04-18T01:00:33Z", "ms": 1334710833495.8213 }, "end": { "local": "2012-04-19T03:48:01+01:00", "utc": "2012-04-19T02:48:01Z", "ms": 1334803680712.6846 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-04-17", "window": { "start": { "local": "2012-04-17T18:02:54+01:00", "utc": "2012-04-17T17:02:54Z", "ms": 1334682174496.6643 }, "end": { "local": "2012-04-17T19:39:52+01:00", "utc": "2012-04-17T18:39:52Z", "ms": 1334687991660.5862 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2012-04-18", "window": { "start": { "local": "2012-04-18T18:02:28+01:00", "utc": "2012-04-18T17:02:28Z", "ms": 1334768548068.675 }, "end": { "local": "2012-04-18T19:39:29+01:00", "utc": "2012-04-18T18:39:29Z", "ms": 1334774368783.8206 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:01 on Wed 18 Apr to 03:48 on Thu 19 Apr.", "fact": "2012-04-18T01:00:33Z → 2012-04-19T02:48:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:40 on the 17th, 18:02–19:39 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 17th and 97 of 97 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22842 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2012: Wednesday 18 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": "2012-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-18", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2012 falls on Wednesday 18 April. Trayodaśī runs from 02:01 on Wed 18 Apr to 03:48 on Thu 19 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-04-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/shivaratri?on=2012-04-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11865, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-04-19T03:48:01+01:00", "utc": "2012-04-19T02:48:01Z", "ms": 1334803680712.6846 }, "end": { "local": "2012-04-20T05:55:23+01:00", "utc": "2012-04-20T04:55:23Z", "ms": 1334897722727.2063 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-04-19T03:48:01+01:00", "utc": "2012-04-19T02:48:01Z", "ms": 1334803680712.6846 }, "end": { "local": "2012-04-20T05:55:23+01:00", "utc": "2012-04-20T04:55:23Z", "ms": 1334897722727.2063 } }, "kaala": "nishita", "days": [ { "local_date": "2012-04-18", "window": { "start": { "local": "2012-04-18T23:42:16+01:00", "utc": "2012-04-18T22:42:16Z", "ms": 1334788935750.4707 }, "end": { "local": "2012-04-19T00:30:16+01:00", "utc": "2012-04-18T23:30:16Z", "ms": 1334791815750.4707 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-04-19", "window": { "start": { "local": "2012-04-19T23:42:03+01:00", "utc": "2012-04-19T22:42:03Z", "ms": 1334875323059.0103 }, "end": { "local": "2012-04-20T00:30:03+01:00", "utc": "2012-04-19T23:30:03Z", "ms": 1334878203059.0103 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:48 on Thu 19 Apr to 05:55 on Fri 20 Apr.", "fact": "2012-04-19T02:48:01Z → 2012-04-20T04:55:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 18th, 23:42–00:30 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11865 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2012: Thursday 19 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": "2012-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-19", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri (Masik Shivaratri) 2012 falls on Thursday 19 April. Caturdaśī runs from 03:48 on Thu 19 Apr to 05:55 on Fri 20 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/shivaratri?on=2012-04-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6821, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2012-04-23T13:30:43+01:00", "utc": "2012-04-23T12:30:43Z", "ms": 1335184242694.961 }, "end": { "local": "2012-04-24T16:06:19+01:00", "utc": "2012-04-24T15:06:19Z", "ms": 1335279979302.3918 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-04-23T13:30:43+01:00", "utc": "2012-04-23T12:30:43Z", "ms": 1335184242694.961 }, "end": { "local": "2012-04-24T16:06:19+01:00", "utc": "2012-04-24T15:06:19Z", "ms": 1335279979302.3918 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-04-23", "window": { "start": { "local": "2012-04-23T18:00:24+01:00", "utc": "2012-04-23T17:00:24Z", "ms": 1335200423831.3074 }, "end": { "local": "2012-04-23T19:37:42+01:00", "utc": "2012-04-23T18:37:42Z", "ms": 1335206261924.8994 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2012-04-24", "window": { "start": { "local": "2012-04-24T18:00:01+01:00", "utc": "2012-04-24T17:00:01Z", "ms": 1335286800652.467 }, "end": { "local": "2012-04-24T19:37:22+01:00", "utc": "2012-04-24T18:37:22Z", "ms": 1335292642139.6929 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:31 on Mon 23 Apr to 16:06 on Tue 24 Apr.", "fact": "2012-04-23T12:30:43Z → 2012-04-24T15:06:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:00–19:38 on the 23rd, 18:00–19:37 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 97 of 97 minutes on the 23rd and 0 of 97 on the 24th.", "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 6821 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Luanda, 2012: Monday 23 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-23", "confidence": "determinate" } ], "quote": "In Luanda, Paraśurāma Jayantī 2012 falls on Monday 23 April. Tṛtīyā runs from 13:31 on Mon 23 Apr to 16:06 on Tue 24 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12230, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2012-04-23T13:30:43+01:00", "utc": "2012-04-23T12:30:43Z", "ms": 1335184242694.961 }, "end": { "local": "2012-04-24T16:06:19+01:00", "utc": "2012-04-24T15:06:19Z", "ms": 1335279979302.3918 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-04-23T13:30:43+01:00", "utc": "2012-04-23T12:30:43Z", "ms": 1335184242694.961 }, "end": { "local": "2012-04-24T16:06:19+01:00", "utc": "2012-04-24T15:06:19Z", "ms": 1335279979302.3918 } }, "kaala": "purvahna", "days": [ { "local_date": "2012-04-23", "window": { "start": { "local": "2012-04-23T06:10:08+01:00", "utc": "2012-04-23T05:10:08Z", "ms": 1335157807617.5088 }, "end": { "local": "2012-04-23T10:06:53+01:00", "utc": "2012-04-23T09:06:53Z", "ms": 1335172013022.1084 } }, "covered_min": 0, "window_min": 237, "qualifies": false }, { "local_date": "2012-04-24", "window": { "start": { "local": "2012-04-24T06:10:10+01:00", "utc": "2012-04-24T05:10:10Z", "ms": 1335244209533.2483 }, "end": { "local": "2012-04-24T10:06:47+01:00", "utc": "2012-04-24T09:06:47Z", "ms": 1335258406572.9878 } }, "covered_min": 237, "window_min": 237, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:31 on Mon 23 Apr to 16:06 on Tue 24 Apr.", "fact": "2012-04-23T12:30:43Z → 2012-04-24T15:06:19Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:10–10:07 on the 23rd, 06:10–10:07 on the 24th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 237 minutes on the 23rd and 237 of 237 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12230 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Luanda, 2012: Tuesday 24 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": "2012-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-24", "confidence": "determinate" } ], "quote": "In Luanda, Akṣaya Tṛtīyā (Akha Teej) 2012 falls on Tuesday 24 April. Tṛtīyā runs from 13:31 on Mon 23 Apr to 16:06 on Tue 24 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/vinayaka-chaturthi?on=2012-04-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13034, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-04-24T16:06:19+01:00", "utc": "2012-04-24T15:06:19Z", "ms": 1335279979302.3918 }, "end": { "local": "2012-04-25T18:29:55+01:00", "utc": "2012-04-25T17:29:55Z", "ms": 1335374995369.899 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-04-24T16:06:19+01:00", "utc": "2012-04-24T15:06:19Z", "ms": 1335279979302.3918 }, "end": { "local": "2012-04-25T18:29:55+01:00", "utc": "2012-04-25T17:29:55Z", "ms": 1335374995369.899 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-04-24", "window": { "start": { "local": "2012-04-24T11:41:05+01:00", "utc": "2012-04-24T10:41:05Z", "ms": 1335264065092.8577 }, "end": { "local": "2012-04-24T12:29:05+01:00", "utc": "2012-04-24T11:29:05Z", "ms": 1335266945092.8577 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-04-25", "window": { "start": { "local": "2012-04-25T11:40:55+01:00", "utc": "2012-04-25T10:40:55Z", "ms": 1335350454932.0122 }, "end": { "local": "2012-04-25T12:28:55+01:00", "utc": "2012-04-25T11:28:55Z", "ms": 1335353334932.0122 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:06 on Tue 24 Apr to 18:30 on Wed 25 Apr.", "fact": "2012-04-24T15:06:19Z → 2012-04-25T17:29:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 24th, 11:41–12:29 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13034 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2012: Wednesday 25 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": "2012-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-25", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2012 falls on Wednesday 25 April. Caturthī runs from 16:06 on Tue 24 Apr to 18:30 on Wed 25 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/vinayaka-chaturthi?on=2012-04-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21660, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2012-04-25T18:29:55+01:00", "utc": "2012-04-25T17:29:55Z", "ms": 1335374995369.899 }, "end": { "local": "2012-04-26T20:31:27+01:00", "utc": "2012-04-26T19:31:27Z", "ms": 1335468687212.9973 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-04-25T18:29:55+01:00", "utc": "2012-04-25T17:29:55Z", "ms": 1335374995369.899 }, "end": { "local": "2012-04-26T20:31:27+01:00", "utc": "2012-04-26T19:31:27Z", "ms": 1335468687212.9973 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-04-25", "window": { "start": { "local": "2012-04-25T11:40:55+01:00", "utc": "2012-04-25T10:40:55Z", "ms": 1335350454932.0122 }, "end": { "local": "2012-04-25T12:28:55+01:00", "utc": "2012-04-25T11:28:55Z", "ms": 1335353334932.0122 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-04-26", "window": { "start": { "local": "2012-04-26T11:40:45+01:00", "utc": "2012-04-26T10:40:45Z", "ms": 1335436845249.5742 }, "end": { "local": "2012-04-26T12:28:45+01:00", "utc": "2012-04-26T11:28:45Z", "ms": 1335439725249.5742 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:30 on Wed 25 Apr to 20:31 on Thu 26 Apr.", "fact": "2012-04-25T17:29:55Z → 2012-04-26T19:31:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 25th, 11:41–12:29 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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: unstated → only-day · margin 21660 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Luanda, 2012: Thursday 26 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": "2012-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-26", "confidence": "determinate" } ], "quote": "In Luanda, Śaṅkara Jayantī (Shankaracharya Jayanti) 2012 falls on Thursday 26 April. Pañcamī runs from 18:30 on Wed 25 Apr to 20:31 on Thu 26 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34343, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2012-04-27T22:00:59+01:00", "utc": "2012-04-27T21:00:59Z", "ms": 1335560459175.0637 }, "end": { "local": "2012-04-28T22:50:04+01:00", "utc": "2012-04-28T21:50:04Z", "ms": 1335649803828.62 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-04-27T22:00:59+01:00", "utc": "2012-04-27T21:00:59Z", "ms": 1335560459175.0637 }, "end": { "local": "2012-04-28T22:50:04+01:00", "utc": "2012-04-28T21:50:04Z", "ms": 1335649803828.62 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-04-27", "window": { "start": { "local": "2012-04-27T11:40:36+01:00", "utc": "2012-04-27T10:40:36Z", "ms": 1335523236052.981 }, "end": { "local": "2012-04-27T12:28:36+01:00", "utc": "2012-04-27T11:28:36Z", "ms": 1335526116052.981 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-04-28", "window": { "start": { "local": "2012-04-28T11:40:27+01:00", "utc": "2012-04-28T10:40:27Z", "ms": 1335609627349.4712 }, "end": { "local": "2012-04-28T12:28:27+01:00", "utc": "2012-04-28T11:28:27Z", "ms": 1335612507349.4712 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 22:01 on Fri 27 Apr to 22:50 on Sat 28 Apr.", "fact": "2012-04-27T21:00:59Z → 2012-04-28T21:50:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 27th, 11:40–12:28 on the 28th.", "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 27th and 48 of 48 on the 28th.", "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 34343 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Luanda, 2012: Saturday 28 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": "2012-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-04-28", "confidence": "determinate" } ], "quote": "In Luanda, Gaṅgotpatti (Ganga Saptami) 2012 falls on Saturday 28 April. Saptamī runs from 22:01 on Fri 27 Apr to 22:50 on Sat 28 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-05-02", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34608, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-05-01T20:33:50+01:00", "utc": "2012-05-01T19:33:50Z", "ms": 1335900829953.2534 }, "end": { "local": "2012-05-02T18:17:19+01:00", "utc": "2012-05-02T17:17:19Z", "ms": 1335979039292.3572 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-01T20:33:50+01:00", "utc": "2012-05-01T19:33:50Z", "ms": 1335900829953.2534 }, "end": { "local": "2012-05-02T18:17:19+01:00", "utc": "2012-05-02T17:17:19Z", "ms": 1335979039292.3572 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-05-02", "window": { "start": { "local": "2012-05-02T06:10:38+01:00", "utc": "2012-05-02T05:10:38Z", "ms": 1335935438056.4075 }, "end": { "local": "2012-05-02T06:10:38+01:00", "utc": "2012-05-02T05:10:38Z", "ms": 1335935438056.4075 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-05-03", "window": { "start": { "local": "2012-05-03T06:10:43+01:00", "utc": "2012-05-03T05:10:43Z", "ms": 1336021843326.2747 }, "end": { "local": "2012-05-03T06:10:43+01:00", "utc": "2012-05-03T05:10:43Z", "ms": 1336021843326.2747 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:34 on Tue 1 May to 18:17 on Wed 2 May.", "fact": "2012-05-01T19:33:50Z → 2012-05-02T17:17:19Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 2nd and 06:11 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 34608 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Luanda, 2012: Wednesday 2 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": "2012-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-02", "confidence": "determinate" } ], "quote": "In Luanda, Mohinī Ekādaśī 2012 falls on Wednesday 2 May. Ekādaśī runs from 20:34 on Tue 1 May to 18:17 on Wed 2 May and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-05-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10586, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2012-05-02T18:17:19+01:00", "utc": "2012-05-02T17:17:19Z", "ms": 1335979039292.3572 }, "end": { "local": "2012-05-03T15:24:18+01:00", "utc": "2012-05-03T14:24:18Z", "ms": 1336055057690.1184 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-02T18:17:19+01:00", "utc": "2012-05-02T17:17:19Z", "ms": 1335979039292.3572 }, "end": { "local": "2012-05-03T15:24:18+01:00", "utc": "2012-05-03T14:24:18Z", "ms": 1336055057690.1184 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-05-02", "window": { "start": { "local": "2012-05-02T11:39:58+01:00", "utc": "2012-05-02T10:39:58Z", "ms": 1335955197609.8745 }, "end": { "local": "2012-05-02T12:27:58+01:00", "utc": "2012-05-02T11:27:58Z", "ms": 1335958077609.8745 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-05-03", "window": { "start": { "local": "2012-05-03T11:39:51+01:00", "utc": "2012-05-03T10:39:51Z", "ms": 1336041591481.5361 }, "end": { "local": "2012-05-03T12:27:51+01:00", "utc": "2012-05-03T11:27:51Z", "ms": 1336044471481.5361 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:17 on Wed 2 May to 15:24 on Thu 3 May.", "fact": "2012-05-02T17:17:19Z → 2012-05-03T14:24:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 2nd, 11:40–12:28 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10586 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Luanda, 2012: Thursday 3 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-03", "confidence": "determinate" } ], "quote": "In Luanda, Paraśurāma Dvādaśī 2012 falls on Thursday 3 May. Dvādaśī runs from 18:17 on Wed 2 May to 15:24 on Thu 3 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10586, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2012-05-02T18:17:19+01:00", "utc": "2012-05-02T17:17:19Z", "ms": 1335979039292.3572 }, "end": { "local": "2012-05-03T15:24:18+01:00", "utc": "2012-05-03T14:24:18Z", "ms": 1336055057690.1184 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-02T18:17:19+01:00", "utc": "2012-05-02T17:17:19Z", "ms": 1335979039292.3572 }, "end": { "local": "2012-05-03T15:24:18+01:00", "utc": "2012-05-03T14:24:18Z", "ms": 1336055057690.1184 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-05-02", "window": { "start": { "local": "2012-05-02T11:39:58+01:00", "utc": "2012-05-02T10:39:58Z", "ms": 1335955197609.8745 }, "end": { "local": "2012-05-02T12:27:58+01:00", "utc": "2012-05-02T11:27:58Z", "ms": 1335958077609.8745 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-05-03", "window": { "start": { "local": "2012-05-03T11:39:51+01:00", "utc": "2012-05-03T10:39:51Z", "ms": 1336041591481.5361 }, "end": { "local": "2012-05-03T12:27:51+01:00", "utc": "2012-05-03T11:27:51Z", "ms": 1336044471481.5361 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:17 on Wed 2 May to 15:24 on Thu 3 May.", "fact": "2012-05-02T17:17:19Z → 2012-05-03T14:24:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 2nd, 11:40–12:28 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10586 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Luanda, 2012: Thursday 3 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-03", "confidence": "determinate" } ], "quote": "In Luanda, Rukmiṇī Dvādaśī 2012 falls on Thursday 3 May. Dvādaśī runs from 18:17 on Wed 2 May to 15:24 on Thu 3 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/pradosha-vrata?on=2012-05-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9162, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-05-03T15:24:18+01:00", "utc": "2012-05-03T14:24:18Z", "ms": 1336055057690.1184 }, "end": { "local": "2012-05-04T12:03:11+01:00", "utc": "2012-05-04T11:03:11Z", "ms": 1336129390675.1592 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-03T15:24:18+01:00", "utc": "2012-05-03T14:24:18Z", "ms": 1336055057690.1184 }, "end": { "local": "2012-05-04T12:03:11+01:00", "utc": "2012-05-04T11:03:11Z", "ms": 1336129390675.1592 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-05-03", "window": { "start": { "local": "2012-05-03T17:57:00+01:00", "utc": "2012-05-03T16:57:00Z", "ms": 1336064219636.7976 }, "end": { "local": "2012-05-03T19:34:50+01:00", "utc": "2012-05-03T18:34:50Z", "ms": 1336070090217.0957 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2012-05-04", "window": { "start": { "local": "2012-05-04T17:56:43+01:00", "utc": "2012-05-04T16:56:43Z", "ms": 1336150602796.5261 }, "end": { "local": "2012-05-04T19:34:36+01:00", "utc": "2012-05-04T18:34:36Z", "ms": 1336156476430.363 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:24 on Thu 3 May to 12:03 on Fri 4 May.", "fact": "2012-05-03T14:24:18Z → 2012-05-04T11:03:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:35 on the 3rd, 17:57–19:35 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 98 of 98 minutes on the 3rd and 0 of 98 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 9162 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2012: Thursday 3 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": "2012-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-03", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2012 falls on Thursday 3 May. Trayodaśī runs from 15:24 on Thu 3 May to 12:03 on Fri 4 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-05-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21212, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-05-04T12:03:11+01:00", "utc": "2012-05-04T11:03:11Z", "ms": 1336129390675.1592 }, "end": { "local": "2012-05-05T08:23:27+01:00", "utc": "2012-05-05T07:23:27Z", "ms": 1336202606649.3528 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-04T12:03:11+01:00", "utc": "2012-05-04T11:03:11Z", "ms": 1336129390675.1592 }, "end": { "local": "2012-05-05T08:23:27+01:00", "utc": "2012-05-05T07:23:27Z", "ms": 1336202606649.3528 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-05-04", "window": { "start": { "local": "2012-05-04T17:56:43+01:00", "utc": "2012-05-04T16:56:43Z", "ms": 1336150602796.5261 }, "end": { "local": "2012-05-04T19:34:36+01:00", "utc": "2012-05-04T18:34:36Z", "ms": 1336156476430.363 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2012-05-05", "window": { "start": { "local": "2012-05-05T17:56:27+01:00", "utc": "2012-05-05T16:56:27Z", "ms": 1336236986655.6494 }, "end": { "local": "2012-05-05T19:34:23+01:00", "utc": "2012-05-05T18:34:23Z", "ms": 1336242863303.689 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:03 on Fri 4 May to 08:23 on Sat 5 May.", "fact": "2012-05-04T11:03:11Z → 2012-05-05T07:23:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:35 on the 4th, 17:56–19:34 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 4th and 0 of 98 on the 5th.", "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 21212 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Luanda, 2012: Friday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-04", "confidence": "determinate" } ], "quote": "In Luanda, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2012 falls on Friday 4 May. Caturdaśī runs from 12:03 on Fri 4 May to 08:23 on Sat 5 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11774, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-05-05T08:23:27+01:00", "utc": "2012-05-05T07:23:27Z", "ms": 1336202606649.3528 }, "end": { "local": "2012-05-06T04:35:05+01:00", "utc": "2012-05-06T03:35:05Z", "ms": 1336275305090.6987 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-05T08:23:27+01:00", "utc": "2012-05-05T07:23:27Z", "ms": 1336202606649.3528 }, "end": { "local": "2012-05-06T04:35:05+01:00", "utc": "2012-05-06T03:35:05Z", "ms": 1336275305090.6987 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-05-05", "window": { "start": { "local": "2012-05-05T11:39:41+01:00", "utc": "2012-05-05T10:39:41Z", "ms": 1336214380852.976 }, "end": { "local": "2012-05-05T12:27:41+01:00", "utc": "2012-05-05T11:27:41Z", "ms": 1336217260852.976 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-05-06", "window": { "start": { "local": "2012-05-06T11:39:36+01:00", "utc": "2012-05-06T10:39:36Z", "ms": 1336300776371.6675 }, "end": { "local": "2012-05-06T12:27:36+01:00", "utc": "2012-05-06T11:27:36Z", "ms": 1336303656371.6675 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:23 on Sat 5 May to 04:35 on Sun 6 May.", "fact": "2012-05-05T07:23:27Z → 2012-05-06T03:35:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 5th, 11:40–12:28 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11774 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Luanda, 2012: Saturday 5 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-05", "confidence": "determinate" } ], "quote": "In Luanda, Buddha Pūrṇimā (Vesak) 2012 falls on Saturday 5 May. Pūrṇimā runs from 08:23 on Sat 5 May to 04:35 on Sun 6 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11774, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-05-05T08:23:27+01:00", "utc": "2012-05-05T07:23:27Z", "ms": 1336202606649.3528 }, "end": { "local": "2012-05-06T04:35:05+01:00", "utc": "2012-05-06T03:35:05Z", "ms": 1336275305090.6987 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-05T08:23:27+01:00", "utc": "2012-05-05T07:23:27Z", "ms": 1336202606649.3528 }, "end": { "local": "2012-05-06T04:35:05+01:00", "utc": "2012-05-06T03:35:05Z", "ms": 1336275305090.6987 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-05-05", "window": { "start": { "local": "2012-05-05T11:39:41+01:00", "utc": "2012-05-05T10:39:41Z", "ms": 1336214380852.976 }, "end": { "local": "2012-05-05T12:27:41+01:00", "utc": "2012-05-05T11:27:41Z", "ms": 1336217260852.976 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-05-06", "window": { "start": { "local": "2012-05-06T11:39:36+01:00", "utc": "2012-05-06T10:39:36Z", "ms": 1336300776371.6675 }, "end": { "local": "2012-05-06T12:27:36+01:00", "utc": "2012-05-06T11:27:36Z", "ms": 1336303656371.6675 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:23 on Sat 5 May to 04:35 on Sun 6 May.", "fact": "2012-05-05T07:23:27Z → 2012-05-06T03:35:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 5th, 11:40–12:28 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11774 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Luanda, 2012: Saturday 5 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-05", "confidence": "determinate" } ], "quote": "In Luanda, Sampat Gaurī Vrata 2012 falls on Saturday 5 May. Pūrṇimā runs from 08:23 on Sat 5 May to 04:35 on Sun 6 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/sankashta-chaturthi?on=2012-05-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9134, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-05-08T17:57:49+01:00", "utc": "2012-05-08T16:57:49Z", "ms": 1336496269338.6123 }, "end": { "local": "2012-05-09T15:12:06+01:00", "utc": "2012-05-09T14:12:06Z", "ms": 1336572726093.6177 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-08T17:57:49+01:00", "utc": "2012-05-08T16:57:49Z", "ms": 1336496269338.6123 }, "end": { "local": "2012-05-09T15:12:06+01:00", "utc": "2012-05-09T14:12:06Z", "ms": 1336572726093.6177 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-05-08", "window": { "start": { "local": "2012-05-08T20:30:04+01:00", "utc": "2012-05-08T19:30:04Z", "ms": 1336505403571.771 }, "end": { "local": "2012-05-08T20:30:04+01:00", "utc": "2012-05-08T19:30:04Z", "ms": 1336505403571.771 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-05-09", "window": { "start": { "local": "2012-05-09T21:31:14+01:00", "utc": "2012-05-09T20:31:14Z", "ms": 1336595474097.2976 }, "end": { "local": "2012-05-09T21:31:14+01:00", "utc": "2012-05-09T20:31:14Z", "ms": 1336595474097.2976 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:58 on Tue 8 May to 15:12 on Wed 9 May.", "fact": "2012-05-08T16:57:49Z → 2012-05-09T14:12:06Z" }, { "step": "kaala", "text": "Moonrise is at 20:30 on the 8th and 21:31 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9134 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2012: Tuesday 8 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": "2012-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-08", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2012 falls on Tuesday 8 May. Caturthī runs from 17:58 on Tue 8 May to 15:12 on Wed 9 May and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/sankashta-chaturthi?on=2012-05-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/ekadashi?on=2012-05-16", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24414, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-05-15T12:59:13+01:00", "utc": "2012-05-15T11:59:13Z", "ms": 1337083152572.0664 }, "end": { "local": "2012-05-16T14:51:45+01:00", "utc": "2012-05-16T13:51:45Z", "ms": 1337176304751.1064 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-15T12:59:13+01:00", "utc": "2012-05-15T11:59:13Z", "ms": 1337083152572.0664 }, "end": { "local": "2012-05-16T14:51:45+01:00", "utc": "2012-05-16T13:51:45Z", "ms": 1337176304751.1064 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-05-15", "window": { "start": { "local": "2012-05-15T06:12:18+01:00", "utc": "2012-05-15T05:12:18Z", "ms": 1337058738354.4143 }, "end": { "local": "2012-05-15T06:12:18+01:00", "utc": "2012-05-15T05:12:18Z", "ms": 1337058738354.4143 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-05-16", "window": { "start": { "local": "2012-05-16T06:12:29+01:00", "utc": "2012-05-16T05:12:29Z", "ms": 1337145148920.5505 }, "end": { "local": "2012-05-16T06:12:29+01:00", "utc": "2012-05-16T05:12:29Z", "ms": 1337145148920.5505 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:59 on Tue 15 May to 14:52 on Wed 16 May.", "fact": "2012-05-15T11:59:13Z → 2012-05-16T13:51:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 15th and 06:12 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24414 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Luanda, 2012: Wednesday 16 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-16", "confidence": "determinate" } ], "quote": "In Luanda, Aparā Ekādaśī 2012 falls on Wednesday 16 May. Ekādaśī runs from 12:59 on Tue 15 May to 14:52 on Wed 16 May and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-05-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-05-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-18", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 229, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-05-17T17:06:56+01:00", "utc": "2012-05-17T16:06:56Z", "ms": 1337270815780.0051 }, "end": { "local": "2012-05-18T19:36:26+01:00", "utc": "2012-05-18T18:36:26Z", "ms": 1337366186078.2183 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-17T17:06:56+01:00", "utc": "2012-05-17T16:06:56Z", "ms": 1337270815780.0051 }, "end": { "local": "2012-05-18T19:36:26+01:00", "utc": "2012-05-18T18:36:26Z", "ms": 1337366186078.2183 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-05-17", "window": { "start": { "local": "2012-05-17T17:54:11+01:00", "utc": "2012-05-17T16:54:11Z", "ms": 1337273651236.4229 }, "end": { "local": "2012-05-17T19:32:41+01:00", "utc": "2012-05-17T18:32:41Z", "ms": 1337279560561.895 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2012-05-18", "window": { "start": { "local": "2012-05-18T17:54:05+01:00", "utc": "2012-05-18T16:54:05Z", "ms": 1337360044947.8516 }, "end": { "local": "2012-05-18T19:32:37+01:00", "utc": "2012-05-18T18:32:37Z", "ms": 1337365956667.3457 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:07 on Thu 17 May to 19:36 on Fri 18 May.", "fact": "2012-05-17T16:06:56Z → 2012-05-18T18:36:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:33 on the 17th, 17:54–19:33 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 17th and 99 of 99 on the 18th.", "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 229 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2012: Friday 18 May.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-05-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-17", "confidence": "boundary" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2012 falls on Friday 18 May. Trayodaśī runs from 17:07 on Thu 17 May to 19:36 on Fri 18 May and covers all of pradoṣa that evening. It also reaches the previous evening for 98 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 49 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-05-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/shivaratri?on=2012-05-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5241, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-05-18T19:36:26+01:00", "utc": "2012-05-18T18:36:26Z", "ms": 1337366186078.2183 }, "end": { "local": "2012-05-19T22:12:16+01:00", "utc": "2012-05-19T21:12:16Z", "ms": 1337461935759.5586 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-18T19:36:26+01:00", "utc": "2012-05-18T18:36:26Z", "ms": 1337366186078.2183 }, "end": { "local": "2012-05-19T22:12:16+01:00", "utc": "2012-05-19T21:12:16Z", "ms": 1337461935759.5586 } }, "kaala": "nishita", "days": [ { "local_date": "2012-05-18", "window": { "start": { "local": "2012-05-18T23:39:34+01:00", "utc": "2012-05-18T22:39:34Z", "ms": 1337380773895.9546 }, "end": { "local": "2012-05-19T00:27:34+01:00", "utc": "2012-05-18T23:27:34Z", "ms": 1337383653895.9546 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-05-19", "window": { "start": { "local": "2012-05-19T23:39:37+01:00", "utc": "2012-05-19T22:39:37Z", "ms": 1337467177137.3438 }, "end": { "local": "2012-05-20T00:27:37+01:00", "utc": "2012-05-19T23:27:37Z", "ms": 1337470057137.3438 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:36 on Fri 18 May to 22:12 on Sat 19 May.", "fact": "2012-05-18T18:36:26Z → 2012-05-19T21:12:16Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 18th, 23:40–00:28 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5241 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2012: Friday 18 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-18", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri (Masik Shivaratri) 2012 falls on Friday 18 May. Caturdaśī runs from 19:36 on Fri 18 May to 22:12 on Sat 19 May and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/shivaratri?on=2012-05-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15639, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2012-05-23T05:26:44+01:00", "utc": "2012-05-23T04:26:44Z", "ms": 1337747204073.689 }, "end": { "local": "2012-05-24T07:19:15+01:00", "utc": "2012-05-24T06:19:15Z", "ms": 1337840355243.84 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-23T05:26:44+01:00", "utc": "2012-05-23T04:26:44Z", "ms": 1337747204073.689 }, "end": { "local": "2012-05-24T07:19:15+01:00", "utc": "2012-05-24T06:19:15Z", "ms": 1337840355243.84 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-05-23", "window": { "start": { "local": "2012-05-23T11:39:49+01:00", "utc": "2012-05-23T10:39:49Z", "ms": 1337769588800.2913 }, "end": { "local": "2012-05-23T12:27:49+01:00", "utc": "2012-05-23T11:27:49Z", "ms": 1337772468800.2913 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-05-24", "window": { "start": { "local": "2012-05-24T11:39:55+01:00", "utc": "2012-05-24T10:39:55Z", "ms": 1337855994501.9338 }, "end": { "local": "2012-05-24T12:27:55+01:00", "utc": "2012-05-24T11:27:55Z", "ms": 1337858874501.9338 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 05:27 on Wed 23 May to 07:19 on Thu 24 May.", "fact": "2012-05-23T04:26:44Z → 2012-05-24T06:19:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 23rd, 11:40–12:28 on the 24th.", "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 23rd and 0 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 15639 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Luanda, 2012: Wednesday 23 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-23", "confidence": "determinate" } ], "quote": "In Luanda, Rambhā Tṛtīyā 2012 falls on Wednesday 23 May. Tṛtīyā runs from 05:27 on Wed 23 May to 07:19 on Thu 24 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/vinayaka-chaturthi?on=2012-05-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10457, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-05-24T07:19:15+01:00", "utc": "2012-05-24T06:19:15Z", "ms": 1337840355243.84 }, "end": { "local": "2012-05-25T08:45:43+01:00", "utc": "2012-05-25T07:45:43Z", "ms": 1337931943441.843 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-24T07:19:15+01:00", "utc": "2012-05-24T06:19:15Z", "ms": 1337840355243.84 }, "end": { "local": "2012-05-25T08:45:43+01:00", "utc": "2012-05-25T07:45:43Z", "ms": 1337931943441.843 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-05-24", "window": { "start": { "local": "2012-05-24T11:39:55+01:00", "utc": "2012-05-24T10:39:55Z", "ms": 1337855994501.9338 }, "end": { "local": "2012-05-24T12:27:55+01:00", "utc": "2012-05-24T11:27:55Z", "ms": 1337858874501.9338 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-05-25", "window": { "start": { "local": "2012-05-25T11:40:01+01:00", "utc": "2012-05-25T10:40:01Z", "ms": 1337942400690.6008 }, "end": { "local": "2012-05-25T12:28:01+01:00", "utc": "2012-05-25T11:28:01Z", "ms": 1337945280690.6008 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:19 on Thu 24 May to 08:46 on Fri 25 May.", "fact": "2012-05-24T06:19:15Z → 2012-05-25T07:45:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 24th, 11:40–12:28 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10457 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2012: Thursday 24 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": "2012-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-24", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2012 falls on Thursday 24 May. Caturthī runs from 07:19 on Thu 24 May to 08:46 on Fri 25 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/vinayaka-chaturthi?on=2012-05-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6005, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2012-05-26T09:40:50+01:00", "utc": "2012-05-26T08:40:50Z", "ms": 1338021649718.3223 }, "end": { "local": "2012-05-27T10:00:10+01:00", "utc": "2012-05-27T09:00:10Z", "ms": 1338109209612.363 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-26T09:40:50+01:00", "utc": "2012-05-26T08:40:50Z", "ms": 1338021649718.3223 }, "end": { "local": "2012-05-27T10:00:10+01:00", "utc": "2012-05-27T09:00:10Z", "ms": 1338109209612.363 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-05-26", "window": { "start": { "local": "2012-05-26T11:40:07+01:00", "utc": "2012-05-26T10:40:07Z", "ms": 1338028807351.787 }, "end": { "local": "2012-05-26T12:28:07+01:00", "utc": "2012-05-26T11:28:07Z", "ms": 1338031687351.787 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-05-27", "window": { "start": { "local": "2012-05-27T11:40:14+01:00", "utc": "2012-05-27T10:40:14Z", "ms": 1338115214470.6255 }, "end": { "local": "2012-05-27T12:28:14+01:00", "utc": "2012-05-27T11:28:14Z", "ms": 1338118094470.6255 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:41 on Sat 26 May to 10:00 on Sun 27 May.", "fact": "2012-05-26T08:40:50Z → 2012-05-27T09:00:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 26th, 11:40–12:28 on the 27th.", "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 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6005 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Luanda, 2012: Saturday 26 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-26", "confidence": "determinate" } ], "quote": "In Luanda, Araṇya Gaurī Vrata 2012 falls on Saturday 26 May. Ṣaṣṭhī runs from 09:41 on Sat 26 May to 10:00 on Sun 27 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6005, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2012-05-26T09:40:50+01:00", "utc": "2012-05-26T08:40:50Z", "ms": 1338021649718.3223 }, "end": { "local": "2012-05-27T10:00:10+01:00", "utc": "2012-05-27T09:00:10Z", "ms": 1338109209612.363 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-26T09:40:50+01:00", "utc": "2012-05-26T08:40:50Z", "ms": 1338021649718.3223 }, "end": { "local": "2012-05-27T10:00:10+01:00", "utc": "2012-05-27T09:00:10Z", "ms": 1338109209612.363 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-05-26", "window": { "start": { "local": "2012-05-26T11:40:07+01:00", "utc": "2012-05-26T10:40:07Z", "ms": 1338028807351.787 }, "end": { "local": "2012-05-26T12:28:07+01:00", "utc": "2012-05-26T11:28:07Z", "ms": 1338031687351.787 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-05-27", "window": { "start": { "local": "2012-05-27T11:40:14+01:00", "utc": "2012-05-27T10:40:14Z", "ms": 1338115214470.6255 }, "end": { "local": "2012-05-27T12:28:14+01:00", "utc": "2012-05-27T11:28:14Z", "ms": 1338118094470.6255 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:41 on Sat 26 May to 10:00 on Sun 27 May.", "fact": "2012-05-26T08:40:50Z → 2012-05-27T09:00:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 26th, 11:40–12:28 on the 27th.", "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 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6005 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Luanda, 2012: Saturday 26 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-26", "confidence": "determinate" } ], "quote": "In Luanda, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2012 falls on Saturday 26 May. Ṣaṣṭhī runs from 09:41 on Sat 26 May to 10:00 on Sun 27 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-05-31", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5241, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-05-31T04:48:24+01:00", "utc": "2012-05-31T03:48:24Z", "ms": 1338436103657.128 }, "end": { "local": "2012-06-01T02:02:39+01:00", "utc": "2012-06-01T01:02:39Z", "ms": 1338512559305.6309 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2012-05-31T04:48:24+01:00", "utc": "2012-05-31T03:48:24Z", "ms": 1338436103657.128 }, "end": { "local": "2012-06-01T02:02:39+01:00", "utc": "2012-06-01T01:02:39Z", "ms": 1338512559305.6309 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-05-31", "window": { "start": { "local": "2012-05-31T06:15:45+01:00", "utc": "2012-05-31T05:15:45Z", "ms": 1338441344659.6162 }, "end": { "local": "2012-05-31T06:15:45+01:00", "utc": "2012-05-31T05:15:45Z", "ms": 1338441344659.6162 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-06-01", "window": { "start": { "local": "2012-06-01T06:15:59+01:00", "utc": "2012-06-01T05:15:59Z", "ms": 1338527759418.1318 }, "end": { "local": "2012-06-01T06:15:59+01:00", "utc": "2012-06-01T05:15:59Z", "ms": 1338527759418.1318 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:48 on Thu 31 May to 02:03 on Fri 1 Jun.", "fact": "2012-05-31T03:48:24Z → 2012-06-01T01:02:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:16 on the 31st and 06:16 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5241 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Luanda, 2012: Thursday 31 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": "2012-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-05-31", "confidence": "determinate" } ], "quote": "In Luanda, Nirjalā Ekādaśī 2012 falls on Thursday 31 May. Ekādaśī runs from 04:48 on Thu 31 May to 02:03 on Fri 1 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-05-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34697, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2012-06-01T02:02:39+01:00", "utc": "2012-06-01T01:02:39Z", "ms": 1338512559305.6309 }, "end": { "local": "2012-06-01T22:52:05+01:00", "utc": "2012-06-01T21:52:05Z", "ms": 1338587525091.8208 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2012-06-01T02:02:39+01:00", "utc": "2012-06-01T01:02:39Z", "ms": 1338512559305.6309 }, "end": { "local": "2012-06-01T22:52:05+01:00", "utc": "2012-06-01T21:52:05Z", "ms": 1338587525091.8208 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-06-01", "window": { "start": { "local": "2012-06-01T11:40:56+01:00", "utc": "2012-06-01T10:40:56Z", "ms": 1338547256406.2642 }, "end": { "local": "2012-06-01T12:28:56+01:00", "utc": "2012-06-01T11:28:56Z", "ms": 1338550136406.2642 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-06-02", "window": { "start": { "local": "2012-06-02T11:41:06+01:00", "utc": "2012-06-02T10:41:06Z", "ms": 1338633665961.018 }, "end": { "local": "2012-06-02T12:29:06+01:00", "utc": "2012-06-02T11:29:06Z", "ms": 1338636545961.018 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:03 on Fri 1 Jun to 22:52 on Fri 1 Jun.", "fact": "2012-06-01T01:02:39Z → 2012-06-01T21:52:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 1st, 11:41–12:29 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34697 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Luanda, 2012: Friday 1 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": "2012-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-06-01", "confidence": "determinate" } ], "quote": "In Luanda, Śrī Rāma Dvādaśī 2012 falls on Friday 1 June. Dvādaśī runs from 02:03 on Fri 1 Jun to 22:52 on Fri 1 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/pradosha-vrata?on=2012-06-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 520, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-06-01T22:52:05+01:00", "utc": "2012-06-01T21:52:05Z", "ms": 1338587525091.8208 }, "end": { "local": "2012-06-02T19:24:18+01:00", "utc": "2012-06-02T18:24:18Z", "ms": 1338661457629.9573 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2012-06-01T22:52:05+01:00", "utc": "2012-06-01T21:52:05Z", "ms": 1338587525091.8208 }, "end": { "local": "2012-06-02T19:24:18+01:00", "utc": "2012-06-02T18:24:18Z", "ms": 1338661457629.9573 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-06-01", "window": { "start": { "local": "2012-06-01T17:53:53+01:00", "utc": "2012-06-01T16:53:53Z", "ms": 1338569633394.3965 }, "end": { "local": "2012-06-01T19:32:52+01:00", "utc": "2012-06-01T18:32:52Z", "ms": 1338575572180.3433 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2012-06-02", "window": { "start": { "local": "2012-06-02T17:53:58+01:00", "utc": "2012-06-02T16:53:58Z", "ms": 1338656037633.039 }, "end": { "local": "2012-06-02T19:32:58+01:00", "utc": "2012-06-02T18:32:58Z", "ms": 1338661977849.535 } }, "covered_min": 90, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:52 on Fri 1 Jun to 19:24 on Sat 2 Jun.", "fact": "2012-06-01T21:52:05Z → 2012-06-02T18:24:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:33 on the 1st, 17:54–19:33 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 1st and 90 of 99 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 520 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2012: Saturday 2 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": "2012-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-06-02", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2012 falls on Saturday 2 June. Trayodaśī runs from 22:52 on Fri 1 Jun to 19:24 on Sat 2 Jun and covers 90 of 99 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7576, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-06-03T15:47:46+01:00", "utc": "2012-06-03T14:47:46Z", "ms": 1338734866043.763 }, "end": { "local": "2012-06-04T12:11:34+01:00", "utc": "2012-06-04T11:11:34Z", "ms": 1338808294121.864 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2012-06-03T15:47:46+01:00", "utc": "2012-06-03T14:47:46Z", "ms": 1338734866043.763 }, "end": { "local": "2012-06-04T12:11:34+01:00", "utc": "2012-06-04T11:11:34Z", "ms": 1338808294121.864 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-06-03", "window": { "start": { "local": "2012-06-03T17:54:02+01:00", "utc": "2012-06-03T16:54:02Z", "ms": 1338742442491.5334 }, "end": { "local": "2012-06-03T19:33:04+01:00", "utc": "2012-06-03T18:33:04Z", "ms": 1338748384066.7869 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2012-06-04", "window": { "start": { "local": "2012-06-04T17:54:08+01:00", "utc": "2012-06-04T16:54:08Z", "ms": 1338828847960.259 }, "end": { "local": "2012-06-04T19:33:11+01:00", "utc": "2012-06-04T18:33:11Z", "ms": 1338834790821.6846 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:48 on Sun 3 Jun to 12:12 on Mon 4 Jun.", "fact": "2012-06-03T14:47:46Z → 2012-06-04T11:11:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:33 on the 3rd, 17:54–19:33 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 99 of 99 minutes on the 3rd and 0 of 99 on the 4th.", "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 7576 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Luanda, 2012: Sunday 3 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": "2012-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-06-03", "confidence": "determinate" } ], "quote": "In Luanda, Vaṭa Sāvitrī Vrata (Vat Purnima) 2012 falls on Sunday 3 June. Pūrṇimā runs from 15:48 on Sun 3 Jun to 12:12 on Mon 4 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/sankashta-chaturthi?on=2012-06-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13401, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-06-07T02:58:13+01:00", "utc": "2012-06-07T01:58:13Z", "ms": 1339034292803.4924 }, "end": { "local": "2012-06-08T00:55:00+01:00", "utc": "2012-06-07T23:55:00Z", "ms": 1339113300063.2493 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-06-07T02:58:13+01:00", "utc": "2012-06-07T01:58:13Z", "ms": 1339034292803.4924 }, "end": { "local": "2012-06-08T00:55:00+01:00", "utc": "2012-06-07T23:55:00Z", "ms": 1339113300063.2493 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-06-06", "window": { "start": { "local": "2012-06-06T20:13:42+01:00", "utc": "2012-06-06T19:13:42Z", "ms": 1339010021650.478 }, "end": { "local": "2012-06-06T20:13:42+01:00", "utc": "2012-06-06T19:13:42Z", "ms": 1339010021650.478 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-06-07", "window": { "start": { "local": "2012-06-07T21:11:39+01:00", "utc": "2012-06-07T20:11:39Z", "ms": 1339099899415.3562 }, "end": { "local": "2012-06-07T21:11:39+01:00", "utc": "2012-06-07T20:11:39Z", "ms": 1339099899415.3562 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:58 on Thu 7 Jun to 00:55 on Fri 8 Jun.", "fact": "2012-06-07T01:58:13Z → 2012-06-07T23:55:00Z" }, { "step": "kaala", "text": "Moonrise is at 20:14 on the 6th and 21:12 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13401 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2012: Thursday 7 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": "2012-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-06-07", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2012 falls on Thursday 7 June. Caturthī runs from 02:58 on Thu 7 Jun to 00:55 on Fri 8 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/sankashta-chaturthi?on=2012-06-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/ekadashi?on=2012-06-15", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1101, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-06-14T04:08:32+01:00", "utc": "2012-06-14T03:08:32Z", "ms": 1339643311985.2656 }, "end": { "local": "2012-06-15T06:37:51+01:00", "utc": "2012-06-15T05:37:51Z", "ms": 1339738670807.757 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-06-14T04:08:32+01:00", "utc": "2012-06-14T03:08:32Z", "ms": 1339643311985.2656 }, "end": { "local": "2012-06-15T06:37:51+01:00", "utc": "2012-06-15T05:37:51Z", "ms": 1339738670807.757 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-06-14", "window": { "start": { "local": "2012-06-14T06:19:15+01:00", "utc": "2012-06-14T05:19:15Z", "ms": 1339651155354.6692 }, "end": { "local": "2012-06-14T06:19:15+01:00", "utc": "2012-06-14T05:19:15Z", "ms": 1339651155354.6692 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-06-15", "window": { "start": { "local": "2012-06-15T06:19:30+01:00", "utc": "2012-06-15T05:19:30Z", "ms": 1339737570041.0103 }, "end": { "local": "2012-06-15T06:19:30+01:00", "utc": "2012-06-15T05:19:30Z", "ms": 1339737570041.0103 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:09 on Thu 14 Jun to 06:38 on Fri 15 Jun.", "fact": "2012-06-14T03:08:32Z → 2012-06-15T05:37:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 14th and 06:20 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is on the 15th.", "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 1101 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Luanda, 2012: Friday 15 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": "2012-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-06-15", "confidence": "determinate" } ], "quote": "In Luanda, Yoginī Ekādaśī 2012 falls on Friday 15 June. Ekādaśī runs from 04:09 on Thu 14 Jun to 06:38 on Fri 15 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-06-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-06-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22247, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-06-16T09:13:47+01:00", "utc": "2012-06-16T08:13:47Z", "ms": 1339834426768.3726 }, "end": { "local": "2012-06-17T11:45:22+01:00", "utc": "2012-06-17T10:45:22Z", "ms": 1339929921629.6377 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-06-16T09:13:47+01:00", "utc": "2012-06-16T08:13:47Z", "ms": 1339834426768.3726 }, "end": { "local": "2012-06-17T11:45:22+01:00", "utc": "2012-06-17T10:45:22Z", "ms": 1339929921629.6377 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-06-16", "window": { "start": { "local": "2012-06-16T17:55:56+01:00", "utc": "2012-06-16T16:55:56Z", "ms": 1339865756184.561 }, "end": { "local": "2012-06-16T19:35:09+01:00", "utc": "2012-06-16T18:35:09Z", "ms": 1339871708541.512 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2012-06-17", "window": { "start": { "local": "2012-06-17T17:56:08+01:00", "utc": "2012-06-17T16:56:08Z", "ms": 1339952168172.7317 }, "end": { "local": "2012-06-17T19:35:21+01:00", "utc": "2012-06-17T18:35:21Z", "ms": 1339958120808.6367 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:14 on Sat 16 Jun to 11:45 on Sun 17 Jun.", "fact": "2012-06-16T08:13:47Z → 2012-06-17T10:45:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:56–19:35 on the 16th, 17:56–19:35 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 16th and 0 of 99 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22247 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2012: Saturday 16 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-06-16", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2012 falls on Saturday 16 June. Trayodaśī runs from 09:14 on Sat 16 Jun to 11:45 on Sun 17 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-06-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/shivaratri?on=2012-06-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34845, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-06-17T11:45:22+01:00", "utc": "2012-06-17T10:45:22Z", "ms": 1339929921629.6377 }, "end": { "local": "2012-06-18T14:03:39+01:00", "utc": "2012-06-18T13:03:39Z", "ms": 1340024618929.9158 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-06-17T11:45:22+01:00", "utc": "2012-06-17T10:45:22Z", "ms": 1339929921629.6377 }, "end": { "local": "2012-06-18T14:03:39+01:00", "utc": "2012-06-18T13:03:39Z", "ms": 1340024618929.9158 } }, "kaala": "nishita", "days": [ { "local_date": "2012-06-17", "window": { "start": { "local": "2012-06-17T23:44:11+01:00", "utc": "2012-06-17T22:44:11Z", "ms": 1339973050557.376 }, "end": { "local": "2012-06-18T00:32:11+01:00", "utc": "2012-06-17T23:32:11Z", "ms": 1339975930557.376 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-06-18", "window": { "start": { "local": "2012-06-18T23:44:24+01:00", "utc": "2012-06-18T22:44:24Z", "ms": 1340059463636.625 }, "end": { "local": "2012-06-19T00:32:24+01:00", "utc": "2012-06-18T23:32:24Z", "ms": 1340062343636.625 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:45 on Sun 17 Jun to 14:04 on Mon 18 Jun.", "fact": "2012-06-17T10:45:22Z → 2012-06-18T13:03:39Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 17th, 23:44–00:32 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34845 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2012: Sunday 17 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": "2012-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-06-17", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri (Masik Shivaratri) 2012 falls on Sunday 17 June. Caturdaśī runs from 11:45 on Sun 17 Jun to 14:04 on Mon 18 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/shivaratri?on=2012-06-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18226, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2012-06-20T17:36:30+01:00", "utc": "2012-06-20T16:36:30Z", "ms": 1340210189559.619 }, "end": { "local": "2012-06-21T18:44:17+01:00", "utc": "2012-06-21T17:44:17Z", "ms": 1340300656637.8613 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-06-20T17:36:30+01:00", "utc": "2012-06-20T16:36:30Z", "ms": 1340210189559.619 }, "end": { "local": "2012-06-21T18:44:17+01:00", "utc": "2012-06-21T17:44:17Z", "ms": 1340300656637.8613 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-06-20", "window": { "start": { "local": "2012-06-20T11:44:43+01:00", "utc": "2012-06-20T10:44:43Z", "ms": 1340189083207.0364 }, "end": { "local": "2012-06-20T12:32:43+01:00", "utc": "2012-06-20T11:32:43Z", "ms": 1340191963207.0364 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-06-21", "window": { "start": { "local": "2012-06-21T11:44:56+01:00", "utc": "2012-06-21T10:44:56Z", "ms": 1340275496426.583 }, "end": { "local": "2012-06-21T12:32:56+01:00", "utc": "2012-06-21T11:32:56Z", "ms": 1340278376426.583 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:36 on Wed 20 Jun to 18:44 on Thu 21 Jun.", "fact": "2012-06-20T16:36:30Z → 2012-06-21T17:44:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 20th, 11:45–12:33 on the 21st.", "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 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18226 s" }, { "step": "ruling", "text": "Rathayātrā, Luanda, 2012: Thursday 21 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-06-21", "confidence": "determinate" } ], "quote": "In Luanda, Rathayātrā 2012 falls on Thursday 21 June. Dvitīyā runs from 17:36 on Wed 20 Jun to 18:44 on Thu 21 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/vinayaka-chaturthi?on=2012-06-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24660, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-06-22T19:24:10+01:00", "utc": "2012-06-22T18:24:10Z", "ms": 1340389449981.5452 }, "end": { "local": "2012-06-23T19:35:33+01:00", "utc": "2012-06-23T18:35:33Z", "ms": 1340476533117.2712 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-06-22T19:24:10+01:00", "utc": "2012-06-22T18:24:10Z", "ms": 1340389449981.5452 }, "end": { "local": "2012-06-23T19:35:33+01:00", "utc": "2012-06-23T18:35:33Z", "ms": 1340476533117.2712 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-06-22", "window": { "start": { "local": "2012-06-22T11:45:10+01:00", "utc": "2012-06-22T10:45:10Z", "ms": 1340361909594.7507 }, "end": { "local": "2012-06-22T12:33:10+01:00", "utc": "2012-06-22T11:33:10Z", "ms": 1340364789594.7507 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-06-23", "window": { "start": { "local": "2012-06-23T11:45:23+01:00", "utc": "2012-06-23T10:45:23Z", "ms": 1340448322683.9775 }, "end": { "local": "2012-06-23T12:33:23+01:00", "utc": "2012-06-23T11:33:23Z", "ms": 1340451202683.9775 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:24 on Fri 22 Jun to 19:36 on Sat 23 Jun.", "fact": "2012-06-22T18:24:10Z → 2012-06-23T18:35:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 22nd, 11:45–12:33 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24660 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2012: Saturday 23 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": "2012-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-06-23", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2012 falls on Saturday 23 June. Caturthī runs from 19:24 on Fri 22 Jun to 19:36 on Sat 23 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/vinayaka-chaturthi?on=2012-06-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24277, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2012-06-23T19:35:33+01:00", "utc": "2012-06-23T18:35:33Z", "ms": 1340476533117.2712 }, "end": { "local": "2012-06-24T19:18:12+01:00", "utc": "2012-06-24T18:18:12Z", "ms": 1340561892337.1238 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-06-23T19:35:33+01:00", "utc": "2012-06-23T18:35:33Z", "ms": 1340476533117.2712 }, "end": { "local": "2012-06-24T19:18:12+01:00", "utc": "2012-06-24T18:18:12Z", "ms": 1340561892337.1238 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-06-23", "window": { "start": { "local": "2012-06-23T11:45:23+01:00", "utc": "2012-06-23T10:45:23Z", "ms": 1340448322683.9775 }, "end": { "local": "2012-06-23T12:33:23+01:00", "utc": "2012-06-23T11:33:23Z", "ms": 1340451202683.9775 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-06-24", "window": { "start": { "local": "2012-06-24T11:45:36+01:00", "utc": "2012-06-24T10:45:36Z", "ms": 1340534735667.1023 }, "end": { "local": "2012-06-24T12:33:36+01:00", "utc": "2012-06-24T11:33:36Z", "ms": 1340537615667.1023 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:36 on Sat 23 Jun to 19:18 on Sun 24 Jun.", "fact": "2012-06-23T18:35:33Z → 2012-06-24T18:18:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 23rd, 11:46–12:34 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24277 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Luanda, 2012: Sunday 24 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-06-24", "confidence": "determinate" } ], "quote": "In Luanda, Skanda Pañcamī 2012 falls on Sunday 24 June. Pañcamī runs from 19:36 on Sat 23 Jun to 19:18 on Sun 24 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17031, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2012-06-25T18:32:10+01:00", "utc": "2012-06-25T17:32:10Z", "ms": 1340645530438.5906 }, "end": { "local": "2012-06-26T17:17:52+01:00", "utc": "2012-06-26T16:17:52Z", "ms": 1340727471765.6125 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-06-25T18:32:10+01:00", "utc": "2012-06-25T17:32:10Z", "ms": 1340645530438.5906 }, "end": { "local": "2012-06-26T17:17:52+01:00", "utc": "2012-06-26T16:17:52Z", "ms": 1340727471765.6125 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-06-25", "window": { "start": { "local": "2012-06-25T11:45:49+01:00", "utc": "2012-06-25T10:45:49Z", "ms": 1340621148517.5896 }, "end": { "local": "2012-06-25T12:33:49+01:00", "utc": "2012-06-25T11:33:49Z", "ms": 1340624028517.5896 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-06-26", "window": { "start": { "local": "2012-06-26T11:46:01+01:00", "utc": "2012-06-26T10:46:01Z", "ms": 1340707561209.7617 }, "end": { "local": "2012-06-26T12:34:01+01:00", "utc": "2012-06-26T11:34:01Z", "ms": 1340710441209.7617 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:32 on Mon 25 Jun to 17:18 on Tue 26 Jun.", "fact": "2012-06-25T17:32:10Z → 2012-06-26T16:17:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 25th, 11:46–12:34 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17031 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Luanda, 2012: Tuesday 26 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-06-26", "confidence": "determinate" } ], "quote": "In Luanda, Vivasvat Saptamī 2012 falls on Tuesday 26 June. Saptamī runs from 18:32 on Mon 25 Jun to 17:18 on Tue 26 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-06-30", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6497, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-06-29T10:59:19+01:00", "utc": "2012-06-29T09:59:19Z", "ms": 1340963958683.87 }, "end": { "local": "2012-06-30T08:10:51+01:00", "utc": "2012-06-30T07:10:51Z", "ms": 1341040250931.2583 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-06-29T10:59:19+01:00", "utc": "2012-06-29T09:59:19Z", "ms": 1340963958683.87 }, "end": { "local": "2012-06-30T08:10:51+01:00", "utc": "2012-06-30T07:10:51Z", "ms": 1341040250931.2583 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-06-29", "window": { "start": { "local": "2012-06-29T06:22:25+01:00", "utc": "2012-06-29T05:22:25Z", "ms": 1340947344934.2163 }, "end": { "local": "2012-06-29T06:22:25+01:00", "utc": "2012-06-29T05:22:25Z", "ms": 1340947344934.2163 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-06-30", "window": { "start": { "local": "2012-06-30T06:22:34+01:00", "utc": "2012-06-30T05:22:34Z", "ms": 1341033754197.409 }, "end": { "local": "2012-06-30T06:22:34+01:00", "utc": "2012-06-30T05:22:34Z", "ms": 1341033754197.409 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:59 on Fri 29 Jun to 08:11 on Sat 30 Jun.", "fact": "2012-06-29T09:59:19Z → 2012-06-30T07:10:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 29th and 06:23 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6497 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Luanda, 2012: Saturday 30 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": "2012-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-06-30", "confidence": "determinate" } ], "quote": "In Luanda, Hariśayanī Ekādaśī 2012 falls on Saturday 30 June. Ekādaśī runs from 10:59 on Fri 29 Jun to 08:11 on Sat 30 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-06-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-07-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22897, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-07-01T05:08:57+01:00", "utc": "2012-07-01T04:08:57Z", "ms": 1341115737253.7693 }, "end": { "local": "2012-07-02T02:00:04+01:00", "utc": "2012-07-02T01:00:04Z", "ms": 1341190804291.8684 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-07-01T05:08:57+01:00", "utc": "2012-07-01T04:08:57Z", "ms": 1341115737253.7693 }, "end": { "local": "2012-07-02T02:00:04+01:00", "utc": "2012-07-02T01:00:04Z", "ms": 1341190804291.8684 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-06-30", "window": { "start": { "local": "2012-06-30T17:59:06+01:00", "utc": "2012-06-30T16:59:06Z", "ms": 1341075545650.4255 }, "end": { "local": "2012-06-30T19:38:14+01:00", "utc": "2012-06-30T18:38:14Z", "ms": 1341081494485.479 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2012-07-01", "window": { "start": { "local": "2012-07-01T17:59:19+01:00", "utc": "2012-07-01T16:59:19Z", "ms": 1341161959053.885 }, "end": { "local": "2012-07-01T19:38:27+01:00", "utc": "2012-07-01T18:38:27Z", "ms": 1341167907188.87 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:09 on Sun 1 Jul to 02:00 on Mon 2 Jul.", "fact": "2012-07-01T04:08:57Z → 2012-07-02T01:00:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:38 on the 30th, 17:59–19:38 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 30th and 99 of 99 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22897 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2012: Sunday 1 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": "2012-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-01", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2012 falls on Sunday 1 July. Trayodaśī runs from 05:09 on Sun 1 Jul to 02:00 on Mon 2 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27080, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-07-02T22:51:38+01:00", "utc": "2012-07-02T21:51:38Z", "ms": 1341265897533.2717 }, "end": { "local": "2012-07-03T19:51:52+01:00", "utc": "2012-07-03T18:51:52Z", "ms": 1341341512393.644 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-07-02T22:51:38+01:00", "utc": "2012-07-02T21:51:38Z", "ms": 1341265897533.2717 }, "end": { "local": "2012-07-03T19:51:52+01:00", "utc": "2012-07-03T18:51:52Z", "ms": 1341341512393.644 } }, "kaala": "udaya-3", "days": [ { "local_date": "2012-07-03", "window": { "start": { "local": "2012-07-03T06:22:58+01:00", "utc": "2012-07-03T05:22:58Z", "ms": 1341292977642.318 }, "end": { "local": "2012-07-03T08:42:20+01:00", "utc": "2012-07-03T07:42:20Z", "ms": 1341301339678.978 } }, "covered_min": 139, "window_min": 139, "qualifies": true }, { "local_date": "2012-07-04", "window": { "start": { "local": "2012-07-04T06:23:05+01:00", "utc": "2012-07-04T05:23:05Z", "ms": 1341379384628.239 }, "end": { "local": "2012-07-04T08:42:28+01:00", "utc": "2012-07-04T07:42:28Z", "ms": 1341387748134.3254 } }, "covered_min": 0, "window_min": 139, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:52 on Mon 2 Jul to 19:52 on Tue 3 Jul.", "fact": "2012-07-02T21:51:38Z → 2012-07-03T18:51:52Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:23–08:42 on the 3rd, 06:23–08:42 on the 4th.", "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 139 of 139 minutes on the 3rd and 0 of 139 on the 4th.", "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 27080 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Luanda, 2012: Tuesday 3 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": "2012-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-03", "confidence": "determinate" } ], "quote": "In Luanda, Vyāsa Pūjā 2012 falls on Tuesday 3 July. Pūrṇimā runs from 22:52 on Mon 2 Jul to 19:52 on Tue 3 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26190, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-07-02T22:51:38+01:00", "utc": "2012-07-02T21:51:38Z", "ms": 1341265897533.2717 }, "end": { "local": "2012-07-03T19:51:52+01:00", "utc": "2012-07-03T18:51:52Z", "ms": 1341341512393.644 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-07-02T22:51:38+01:00", "utc": "2012-07-02T21:51:38Z", "ms": 1341265897533.2717 }, "end": { "local": "2012-07-03T19:51:52+01:00", "utc": "2012-07-03T18:51:52Z", "ms": 1341341512393.644 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-07-02", "window": { "start": { "local": "2012-07-02T11:47:12+01:00", "utc": "2012-07-02T10:47:12Z", "ms": 1341226031758.9258 }, "end": { "local": "2012-07-02T12:35:12+01:00", "utc": "2012-07-02T11:35:12Z", "ms": 1341228911758.9258 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-07-03", "window": { "start": { "local": "2012-07-03T11:47:23+01:00", "utc": "2012-07-03T10:47:23Z", "ms": 1341312442733.968 }, "end": { "local": "2012-07-03T12:35:23+01:00", "utc": "2012-07-03T11:35:23Z", "ms": 1341315322733.968 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:52 on Mon 2 Jul to 19:52 on Tue 3 Jul.", "fact": "2012-07-02T21:51:38Z → 2012-07-03T18:51:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 2nd, 11:47–12:35 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26190 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Luanda, 2012: Tuesday 3 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": "2012-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-03", "confidence": "determinate" } ], "quote": "In Luanda, Guru Pūrṇimā 2012 falls on Tuesday 3 July. Pūrṇimā runs from 22:52 on Mon 2 Jul to 19:52 on Tue 3 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6725, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-07-02T22:51:38+01:00", "utc": "2012-07-02T21:51:38Z", "ms": 1341265897533.2717 }, "end": { "local": "2012-07-03T19:51:52+01:00", "utc": "2012-07-03T18:51:52Z", "ms": 1341341512393.644 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-07-02T22:51:38+01:00", "utc": "2012-07-02T21:51:38Z", "ms": 1341265897533.2717 }, "end": { "local": "2012-07-03T19:51:52+01:00", "utc": "2012-07-03T18:51:52Z", "ms": 1341341512393.644 } }, "kaala": "sayahna", "days": [ { "local_date": "2012-07-02", "window": { "start": { "local": "2012-07-02T15:40:13+01:00", "utc": "2012-07-02T14:40:13Z", "ms": 1341240012774.517 }, "end": { "local": "2012-07-02T17:59:33+01:00", "utc": "2012-07-02T16:59:33Z", "ms": 1341248373451.578 } }, "covered_min": 0, "window_min": 139, "qualifies": false }, { "local_date": "2012-07-03", "window": { "start": { "local": "2012-07-03T15:40:26+01:00", "utc": "2012-07-03T14:40:26Z", "ms": 1341326425788.958 }, "end": { "local": "2012-07-03T17:59:48+01:00", "utc": "2012-07-03T16:59:48Z", "ms": 1341334787825.618 } }, "covered_min": 139, "window_min": 139, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:52 on Mon 2 Jul to 19:52 on Tue 3 Jul.", "fact": "2012-07-02T21:51:38Z → 2012-07-03T18:51:52Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:40–18:00 on the 2nd, 15:40–18:00 on the 3rd.", "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 139 minutes on the 2nd and 139 of 139 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6725 s" }, { "step": "ruling", "text": "Kokilā Vrata, Luanda, 2012: Tuesday 3 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kokila-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-03", "confidence": "determinate" } ], "quote": "In Luanda, Kokilā Vrata 2012 falls on Tuesday 3 July. Pūrṇimā runs from 22:52 on Mon 2 Jul to 19:52 on Tue 3 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 778, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-07-02T22:51:38+01:00", "utc": "2012-07-02T21:51:38Z", "ms": 1341265897533.2717 }, "end": { "local": "2012-07-03T19:51:52+01:00", "utc": "2012-07-03T18:51:52Z", "ms": 1341341512393.644 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2012-07-02T22:51:38+01:00", "utc": "2012-07-02T21:51:38Z", "ms": 1341265897533.2717 }, "end": { "local": "2012-07-03T19:51:52+01:00", "utc": "2012-07-03T18:51:52Z", "ms": 1341341512393.644 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-07-02", "window": { "start": { "local": "2012-07-02T17:59:33+01:00", "utc": "2012-07-02T16:59:33Z", "ms": 1341248373451.578 }, "end": { "local": "2012-07-02T19:38:41+01:00", "utc": "2012-07-02T18:38:41Z", "ms": 1341254320677.01 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2012-07-03", "window": { "start": { "local": "2012-07-03T17:59:48+01:00", "utc": "2012-07-03T16:59:48Z", "ms": 1341334787825.618 }, "end": { "local": "2012-07-03T19:38:54+01:00", "utc": "2012-07-03T18:38:54Z", "ms": 1341340734065.9673 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:52 on Mon 2 Jul to 19:52 on Tue 3 Jul.", "fact": "2012-07-02T21:51:38Z → 2012-07-03T18:51:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:00–19:39 on the 2nd, 18:00–19:39 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 99 minutes on the 2nd and 99 of 99 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 778 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Luanda, 2012: Tuesday 3 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": "2012-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-03", "confidence": "determinate" } ], "quote": "In Luanda, Śiva Śayanotsava 2012 falls on Tuesday 3 July. Pūrṇimā runs from 22:52 on Mon 2 Jul to 19:52 on Tue 3 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6322, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2012-07-04T17:09:35+01:00", "utc": "2012-07-04T16:09:35Z", "ms": 1341418174942.9138 }, "end": { "local": "2012-07-05T14:53:36+01:00", "utc": "2012-07-05T13:53:36Z", "ms": 1341496416352.465 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2012-07-04T17:09:35+01:00", "utc": "2012-07-04T16:09:35Z", "ms": 1341418174942.9138 }, "end": { "local": "2012-07-05T14:53:36+01:00", "utc": "2012-07-05T13:53:36Z", "ms": 1341496416352.465 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-07-04", "window": { "start": { "local": "2012-07-04T18:54:57+01:00", "utc": "2012-07-04T17:54:57Z", "ms": 1341424496701.0115 }, "end": { "local": "2012-07-04T18:54:57+01:00", "utc": "2012-07-04T17:54:57Z", "ms": 1341424496701.0115 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-07-05", "window": { "start": { "local": "2012-07-05T19:51:58+01:00", "utc": "2012-07-05T18:51:58Z", "ms": 1341514317574.4785 }, "end": { "local": "2012-07-05T19:51:58+01:00", "utc": "2012-07-05T18:51:58Z", "ms": 1341514317574.4785 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:10 on Wed 4 Jul to 14:54 on Thu 5 Jul.", "fact": "2012-07-04T16:09:35Z → 2012-07-05T13:53:36Z" }, { "step": "kaala", "text": "Moonrise is at 18:55 on the 4th and 19:52 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6322 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Luanda, 2012: Wednesday 4 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata-ashadha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)." } ], "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-04", "confidence": "determinate" } ], "quote": "In Luanda, Aśūnya Śayana Vrata (Āṣāḍha) 2012 falls on Wednesday 4 July. Dvitīyā runs from 17:10 on Wed 4 Jul to 14:54 on Thu 5 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/sankashta-chaturthi?on=2012-07-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27194, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-07-06T13:12:17+01:00", "utc": "2012-07-06T12:12:17Z", "ms": 1341576737323.9958 }, "end": { "local": "2012-07-07T12:12:40+01:00", "utc": "2012-07-07T11:12:40Z", "ms": 1341659560182.9028 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2012-07-06T13:12:17+01:00", "utc": "2012-07-06T12:12:17Z", "ms": 1341576737323.9958 }, "end": { "local": "2012-07-07T12:12:40+01:00", "utc": "2012-07-07T11:12:40Z", "ms": 1341659560182.9028 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-07-06", "window": { "start": { "local": "2012-07-06T20:45:31+01:00", "utc": "2012-07-06T19:45:31Z", "ms": 1341603931167.3276 }, "end": { "local": "2012-07-06T20:45:31+01:00", "utc": "2012-07-06T19:45:31Z", "ms": 1341603931167.3276 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-07-07", "window": { "start": { "local": "2012-07-07T21:36:04+01:00", "utc": "2012-07-07T20:36:04Z", "ms": 1341693364368.8264 }, "end": { "local": "2012-07-07T21:36:04+01:00", "utc": "2012-07-07T20:36:04Z", "ms": 1341693364368.8264 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:12 on Fri 6 Jul to 12:13 on Sat 7 Jul.", "fact": "2012-07-06T12:12:17Z → 2012-07-07T11:12:40Z" }, { "step": "kaala", "text": "Moonrise is at 20:46 on the 6th and 21:36 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27194 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2012: Friday 6 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-06", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2012 falls on Friday 6 July. Caturthī runs from 13:12 on Fri 6 Jul to 12:13 on Sat 7 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/sankashta-chaturthi?on=2012-07-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/ekadashi?on=2012-07-14", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25645, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-07-13T20:45:57+01:00", "utc": "2012-07-13T19:45:57Z", "ms": 1342208756546.2388 }, "end": { "local": "2012-07-14T23:16:14+01:00", "utc": "2012-07-14T22:16:14Z", "ms": 1342304174024.9194 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2012-07-13T20:45:57+01:00", "utc": "2012-07-13T19:45:57Z", "ms": 1342208756546.2388 }, "end": { "local": "2012-07-14T23:16:14+01:00", "utc": "2012-07-14T22:16:14Z", "ms": 1342304174024.9194 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-07-14", "window": { "start": { "local": "2012-07-14T06:23:39+01:00", "utc": "2012-07-14T05:23:39Z", "ms": 1342243419287.5095 }, "end": { "local": "2012-07-14T06:23:39+01:00", "utc": "2012-07-14T05:23:39Z", "ms": 1342243419287.5095 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-07-15", "window": { "start": { "local": "2012-07-15T06:23:39+01:00", "utc": "2012-07-15T05:23:39Z", "ms": 1342329818961.5928 }, "end": { "local": "2012-07-15T06:23:39+01:00", "utc": "2012-07-15T05:23:39Z", "ms": 1342329818961.5928 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:46 on Fri 13 Jul to 23:16 on Sat 14 Jul.", "fact": "2012-07-13T19:45:57Z → 2012-07-14T22:16:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 14th and 06:24 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25645 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Luanda, 2012: Saturday 14 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-14", "confidence": "determinate" } ], "quote": "In Luanda, Kāmikā Ekādaśī 2012 falls on Saturday 14 July. Ekādaśī runs from 20:46 on Fri 13 Jul to 23:16 on Sat 14 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-07-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-07-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20955, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-07-16T01:30:36+01:00", "utc": "2012-07-16T00:30:36Z", "ms": 1342398635693.3704 }, "end": { "local": "2012-07-17T03:19:42+01:00", "utc": "2012-07-17T02:19:42Z", "ms": 1342491581774.36 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2012-07-16T01:30:36+01:00", "utc": "2012-07-16T00:30:36Z", "ms": 1342398635693.3704 }, "end": { "local": "2012-07-17T03:19:42+01:00", "utc": "2012-07-17T02:19:42Z", "ms": 1342491581774.36 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-07-15", "window": { "start": { "local": "2012-07-15T18:02:32+01:00", "utc": "2012-07-15T17:02:32Z", "ms": 1342371751992.4512 }, "end": { "local": "2012-07-15T19:41:21+01:00", "utc": "2012-07-15T18:41:21Z", "ms": 1342377680779.9917 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2012-07-16", "window": { "start": { "local": "2012-07-16T18:02:44+01:00", "utc": "2012-07-16T17:02:44Z", "ms": 1342458164410.6267 }, "end": { "local": "2012-07-16T19:41:31+01:00", "utc": "2012-07-16T18:41:31Z", "ms": 1342464091301.0715 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:31 on Mon 16 Jul to 03:20 on Tue 17 Jul.", "fact": "2012-07-16T00:30:36Z → 2012-07-17T02:19:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:41 on the 15th, 18:03–19:42 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 15th and 99 of 99 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20955 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2012: Monday 16 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": "2012-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-16", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2012 falls on Monday 16 July. Trayodaśī runs from 01:31 on Mon 16 Jul to 03:20 on Tue 17 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-07-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/shivaratri?on=2012-07-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9752, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-07-17T03:19:42+01:00", "utc": "2012-07-17T02:19:42Z", "ms": 1342491581774.36 }, "end": { "local": "2012-07-18T04:38:07+01:00", "utc": "2012-07-18T03:38:07Z", "ms": 1342582686881.834 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2012-07-17T03:19:42+01:00", "utc": "2012-07-17T02:19:42Z", "ms": 1342491581774.36 }, "end": { "local": "2012-07-18T04:38:07+01:00", "utc": "2012-07-18T03:38:07Z", "ms": 1342582686881.834 } }, "kaala": "nishita", "days": [ { "local_date": "2012-07-16", "window": { "start": { "local": "2012-07-16T23:49:10+01:00", "utc": "2012-07-16T22:49:10Z", "ms": 1342478950249.795 }, "end": { "local": "2012-07-17T00:37:10+01:00", "utc": "2012-07-16T23:37:10Z", "ms": 1342481830249.795 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-07-17", "window": { "start": { "local": "2012-07-17T23:49:15+01:00", "utc": "2012-07-17T22:49:15Z", "ms": 1342565355033.3423 }, "end": { "local": "2012-07-18T00:37:15+01:00", "utc": "2012-07-17T23:37:15Z", "ms": 1342568235033.3423 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:20 on Tue 17 Jul to 04:38 on Wed 18 Jul.", "fact": "2012-07-17T02:19:42Z → 2012-07-18T03:38:07Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 16th, 23:49–00:37 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9752 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2012: Tuesday 17 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": "2012-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-17", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri (Masik Shivaratri) 2012 falls on Tuesday 17 July. Caturdaśī runs from 03:20 on Tue 17 Jul to 04:38 on Wed 18 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/shivaratri?on=2012-07-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23138, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2012-07-21T05:23:53+01:00", "utc": "2012-07-21T04:23:53Z", "ms": 1342844633232.9587 }, "end": { "local": "2012-07-22T04:44:05+01:00", "utc": "2012-07-22T03:44:05Z", "ms": 1342928645006.21 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2012-07-21T05:23:53+01:00", "utc": "2012-07-21T04:23:53Z", "ms": 1342844633232.9587 }, "end": { "local": "2012-07-22T04:44:05+01:00", "utc": "2012-07-22T03:44:05Z", "ms": 1342928645006.21 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-07-21", "window": { "start": { "local": "2012-07-21T11:49:32+01:00", "utc": "2012-07-21T10:49:32Z", "ms": 1342867771531.0288 }, "end": { "local": "2012-07-21T12:37:32+01:00", "utc": "2012-07-21T11:37:32Z", "ms": 1342870651531.0288 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-07-22", "window": { "start": { "local": "2012-07-22T11:49:34+01:00", "utc": "2012-07-22T10:49:34Z", "ms": 1342954173909.5527 }, "end": { "local": "2012-07-22T12:37:34+01:00", "utc": "2012-07-22T11:37:34Z", "ms": 1342957053909.5527 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 05:24 on Sat 21 Jul to 04:44 on Sun 22 Jul.", "fact": "2012-07-21T04:23:53Z → 2012-07-22T03:44:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 21st, 11:50–12:38 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23138 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Luanda, 2012: Saturday 21 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-21", "confidence": "determinate" } ], "quote": "In Luanda, Madhusravā Tṛtīyā (Teej) 2012 falls on Saturday 21 July. Tṛtīyā runs from 05:24 on Sat 21 Jul to 04:44 on Sun 22 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/vinayaka-chaturthi?on=2012-07-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25529, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-07-22T04:44:05+01:00", "utc": "2012-07-22T03:44:05Z", "ms": 1342928645006.21 }, "end": { "local": "2012-07-23T03:42:34+01:00", "utc": "2012-07-23T02:42:34Z", "ms": 1343011354098.422 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2012-07-22T04:44:05+01:00", "utc": "2012-07-22T03:44:05Z", "ms": 1342928645006.21 }, "end": { "local": "2012-07-23T03:42:34+01:00", "utc": "2012-07-23T02:42:34Z", "ms": 1343011354098.422 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-07-22", "window": { "start": { "local": "2012-07-22T11:49:34+01:00", "utc": "2012-07-22T10:49:34Z", "ms": 1342954173909.5527 }, "end": { "local": "2012-07-22T12:37:34+01:00", "utc": "2012-07-22T11:37:34Z", "ms": 1342957053909.5527 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-07-23", "window": { "start": { "local": "2012-07-23T11:49:36+01:00", "utc": "2012-07-23T10:49:36Z", "ms": 1343040575694.7656 }, "end": { "local": "2012-07-23T12:37:36+01:00", "utc": "2012-07-23T11:37:36Z", "ms": 1343043455694.7656 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:44 on Sun 22 Jul to 03:43 on Mon 23 Jul.", "fact": "2012-07-22T03:44:05Z → 2012-07-23T02:42:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 22nd, 11:50–12:38 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25529 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2012: Sunday 22 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": "2012-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-22", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2012 falls on Sunday 22 July. Caturthī runs from 04:44 on Sun 22 Jul to 03:43 on Mon 23 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/vinayaka-chaturthi?on=2012-07-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29222, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2012-07-23T03:42:34+01:00", "utc": "2012-07-23T02:42:34Z", "ms": 1343011354098.422 }, "end": { "local": "2012-07-24T02:22:31+01:00", "utc": "2012-07-24T01:22:31Z", "ms": 1343092950527.5913 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2012-07-23T03:42:34+01:00", "utc": "2012-07-23T02:42:34Z", "ms": 1343011354098.422 }, "end": { "local": "2012-07-24T02:22:31+01:00", "utc": "2012-07-24T01:22:31Z", "ms": 1343092950527.5913 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-07-23", "window": { "start": { "local": "2012-07-23T11:49:36+01:00", "utc": "2012-07-23T10:49:36Z", "ms": 1343040575694.7656 }, "end": { "local": "2012-07-23T12:37:36+01:00", "utc": "2012-07-23T11:37:36Z", "ms": 1343043455694.7656 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-07-24", "window": { "start": { "local": "2012-07-24T11:49:37+01:00", "utc": "2012-07-24T10:49:37Z", "ms": 1343126976877.1182 }, "end": { "local": "2012-07-24T12:37:37+01:00", "utc": "2012-07-24T11:37:37Z", "ms": 1343129856877.1182 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:43 on Mon 23 Jul to 02:23 on Tue 24 Jul.", "fact": "2012-07-23T02:42:34Z → 2012-07-24T01:22:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 23rd, 11:50–12:38 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29222 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Luanda, 2012: Monday 23 July.", "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": "2012-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-23", "confidence": "determinate" } ], "quote": "In Luanda, Nāga Pañcamī 2012 falls on Monday 23 July. Pañcamī runs from 03:43 on Mon 23 Jul to 02:23 on Tue 24 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-07-29", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26664, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-07-28T16:15:58+01:00", "utc": "2012-07-28T15:15:58Z", "ms": 1343488558439.6853 }, "end": { "local": "2012-07-29T13:46:37+01:00", "utc": "2012-07-29T12:46:37Z", "ms": 1343565996857.1345 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2012-07-28T16:15:58+01:00", "utc": "2012-07-28T15:15:58Z", "ms": 1343488558439.6853 }, "end": { "local": "2012-07-29T13:46:37+01:00", "utc": "2012-07-29T12:46:37Z", "ms": 1343565996857.1345 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-07-28", "window": { "start": { "local": "2012-07-28T06:22:24+01:00", "utc": "2012-07-28T05:22:24Z", "ms": 1343452944357.4966 }, "end": { "local": "2012-07-28T06:22:24+01:00", "utc": "2012-07-28T05:22:24Z", "ms": 1343452944357.4966 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-07-29", "window": { "start": { "local": "2012-07-29T06:22:13+01:00", "utc": "2012-07-29T05:22:13Z", "ms": 1343539332997.4817 }, "end": { "local": "2012-07-29T06:22:13+01:00", "utc": "2012-07-29T05:22:13Z", "ms": 1343539332997.4817 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:16 on Sat 28 Jul to 13:47 on Sun 29 Jul.", "fact": "2012-07-28T15:15:58Z → 2012-07-29T12:46:37Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 28th and 06:22 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26664 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Luanda, 2012: Sunday 29 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": "2012-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-29", "confidence": "determinate" } ], "quote": "In Luanda, Putradā Ekādaśī 2012 falls on Sunday 29 July. Ekādaśī runs from 16:16 on Sat 28 Jul to 13:47 on Sun 29 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-07-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2061, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2012-07-29T13:46:37+01:00", "utc": "2012-07-29T12:46:37Z", "ms": 1343565996857.1345 }, "end": { "local": "2012-07-30T11:15:10+01:00", "utc": "2012-07-30T10:15:10Z", "ms": 1343643309653.5256 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2012-07-29T13:46:37+01:00", "utc": "2012-07-29T12:46:37Z", "ms": 1343565996857.1345 }, "end": { "local": "2012-07-30T11:15:10+01:00", "utc": "2012-07-30T10:15:10Z", "ms": 1343643309653.5256 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-07-29", "window": { "start": { "local": "2012-07-29T11:49:34+01:00", "utc": "2012-07-29T10:49:34Z", "ms": 1343558973528.543 }, "end": { "local": "2012-07-29T12:37:34+01:00", "utc": "2012-07-29T11:37:34Z", "ms": 1343561853528.543 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-07-30", "window": { "start": { "local": "2012-07-30T11:49:31+01:00", "utc": "2012-07-30T10:49:31Z", "ms": 1343645370988.9639 }, "end": { "local": "2012-07-30T12:37:31+01:00", "utc": "2012-07-30T11:37:31Z", "ms": 1343648250988.9639 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:47 on Sun 29 Jul to 11:15 on Mon 30 Jul.", "fact": "2012-07-29T12:46:37Z → 2012-07-30T10:15:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 29th, 11:50–12:38 on the 30th.", "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 29th and 0 of 48 on the 30th.", "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 2061 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Luanda, 2012: Monday 30 July.", "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": "2012-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-30", "confidence": "determinate" } ], "quote": "In Luanda, Dāmodara Dvādaśī 2012 falls on Monday 30 July. Dvādaśī runs from 13:47 on Sun 29 Jul to 11:15 on Mon 30 Jul, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/pradosha-vrata?on=2012-07-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-07-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24591, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-07-30T11:15:10+01:00", "utc": "2012-07-30T10:15:10Z", "ms": 1343643309653.5256 }, "end": { "local": "2012-07-31T08:46:59+01:00", "utc": "2012-07-31T07:46:59Z", "ms": 1343720818524.569 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2012-07-30T11:15:10+01:00", "utc": "2012-07-30T10:15:10Z", "ms": 1343643309653.5256 }, "end": { "local": "2012-07-31T08:46:59+01:00", "utc": "2012-07-31T07:46:59Z", "ms": 1343720818524.569 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-07-30", "window": { "start": { "local": "2012-07-30T18:05:01+01:00", "utc": "2012-07-30T17:05:01Z", "ms": 1343667901144.6472 }, "end": { "local": "2012-07-30T19:43:15+01:00", "utc": "2012-07-30T18:43:15Z", "ms": 1343673795374.883 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2012-07-31", "window": { "start": { "local": "2012-07-31T18:05:08+01:00", "utc": "2012-07-31T17:05:08Z", "ms": 1343754307785.7937 }, "end": { "local": "2012-07-31T19:43:19+01:00", "utc": "2012-07-31T18:43:19Z", "ms": 1343760199296.9963 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:15 on Mon 30 Jul to 08:47 on Tue 31 Jul.", "fact": "2012-07-30T10:15:10Z → 2012-07-31T07:46:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:43 on the 30th, 18:05–19:43 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 30th and 0 of 98 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24591 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2012: Monday 30 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": "2012-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-07-30", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2012 falls on Monday 30 July. Trayodaśī runs from 11:15 on Mon 30 Jul to 08:47 on Tue 31 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-07-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6832, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-08-01T06:28:36+01:00", "utc": "2012-08-01T05:28:36Z", "ms": 1343798915738.9897 }, "end": { "local": "2012-08-02T04:27:27+01:00", "utc": "2012-08-02T03:27:27Z", "ms": 1343878047327.845 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2012-08-01T17:25:23+01:00", "utc": "2012-08-01T16:25:23Z", "ms": 1343838322952.2769 }, "end": { "local": "2012-08-02T04:27:27+01:00", "utc": "2012-08-02T03:27:27Z", "ms": 1343878047327.845 } }, "kaala": "day", "days": [ { "local_date": "2012-08-01", "window": { "start": { "local": "2012-08-01T06:21:34+01:00", "utc": "2012-08-01T05:21:34Z", "ms": 1343798494119.813 }, "end": { "local": "2012-08-02T06:21:20+01:00", "utc": "2012-08-02T05:21:20Z", "ms": 1343884879587.529 } }, "covered_min": 662, "window_min": 1440, "qualifies": true }, { "local_date": "2012-08-02", "window": { "start": { "local": "2012-08-02T06:21:20+01:00", "utc": "2012-08-02T05:21:20Z", "ms": 1343884879587.529 }, "end": { "local": "2012-08-03T06:21:04+01:00", "utc": "2012-08-03T05:21:04Z", "ms": 1343971264284.0613 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:29 on Wed 1 Aug to 04:27 on Thu 2 Aug. Its second half begins at 17:25 on Wed 1 Aug.", "fact": "2012-08-01T05:28:36Z → 2012-08-02T03:27:27Z · second half from 2012-08-01T16:25:23Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:22 on the 1st, and from 06:21 on the 2nd.", "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 662 of 1440 minutes on the 1st and 0 of 1440 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6832 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Luanda, 2012: Wednesday 1 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-01", "confidence": "determinate" } ], "quote": "In Luanda, Rakṣā Bandhana (Rakhi) 2012 falls on Wednesday 1 August. The second half of Pūrṇimā runs from 17:25 on Wed 1 Aug to 04:27 on Thu 2 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19248, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-08-01T06:28:36+01:00", "utc": "2012-08-01T05:28:36Z", "ms": 1343798915738.9897 }, "end": { "local": "2012-08-02T04:27:27+01:00", "utc": "2012-08-02T03:27:27Z", "ms": 1343878047327.845 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2012-08-01T06:28:36+01:00", "utc": "2012-08-01T05:28:36Z", "ms": 1343798915738.9897 }, "end": { "local": "2012-08-02T04:27:27+01:00", "utc": "2012-08-02T03:27:27Z", "ms": 1343878047327.845 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-08-01", "window": { "start": { "local": "2012-08-01T11:49:24+01:00", "utc": "2012-08-01T10:49:24Z", "ms": 1343818164051.7603 }, "end": { "local": "2012-08-01T12:37:24+01:00", "utc": "2012-08-01T11:37:24Z", "ms": 1343821044051.7603 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-08-02", "window": { "start": { "local": "2012-08-02T11:49:20+01:00", "utc": "2012-08-02T10:49:20Z", "ms": 1343904559663.6958 }, "end": { "local": "2012-08-02T12:37:20+01:00", "utc": "2012-08-02T11:37:20Z", "ms": 1343907439663.6958 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:29 on Wed 1 Aug to 04:27 on Thu 2 Aug.", "fact": "2012-08-01T05:28:36Z → 2012-08-02T03:27:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 1st, 11:49–12:37 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19248 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Luanda, 2012: Wednesday 1 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": "2012-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-01", "confidence": "determinate" } ], "quote": "In Luanda, Ṛṣi Tarpaṇa 2012 falls on Wednesday 1 August. Pūrṇimā runs from 06:29 on Wed 1 Aug to 04:27 on Thu 2 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22993, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2012-08-03T02:51:25+01:00", "utc": "2012-08-03T01:51:25Z", "ms": 1343958684710.6545 }, "end": { "local": "2012-08-04T01:48:04+01:00", "utc": "2012-08-04T00:48:04Z", "ms": 1344041283588.9387 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-08-03T02:51:25+01:00", "utc": "2012-08-03T01:51:25Z", "ms": 1343958684710.6545 }, "end": { "local": "2012-08-04T01:48:04+01:00", "utc": "2012-08-04T00:48:04Z", "ms": 1344041283588.9387 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-08-02", "window": { "start": { "local": "2012-08-02T18:32:31+01:00", "utc": "2012-08-02T17:32:31Z", "ms": 1343928751267.64 }, "end": { "local": "2012-08-02T18:32:31+01:00", "utc": "2012-08-02T17:32:31Z", "ms": 1343928751267.64 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-08-03", "window": { "start": { "local": "2012-08-03T19:24:50+01:00", "utc": "2012-08-03T18:24:50Z", "ms": 1344018290295.623 }, "end": { "local": "2012-08-03T19:24:50+01:00", "utc": "2012-08-03T18:24:50Z", "ms": 1344018290295.623 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 02:51 on Fri 3 Aug to 01:48 on Sat 4 Aug.", "fact": "2012-08-03T01:51:25Z → 2012-08-04T00:48:04Z" }, { "step": "kaala", "text": "Moonrise is at 18:33 on the 2nd and 19:25 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22993 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Luanda, 2012: Friday 3 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": "2012-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-03", "confidence": "determinate" } ], "quote": "In Luanda, Aśūnya Śayana Vrata 2012 falls on Friday 3 August. Dvitīyā runs from 02:51 on Fri 3 Aug to 01:48 on Sat 4 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36065, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2012-08-04T01:48:04+01:00", "utc": "2012-08-04T00:48:04Z", "ms": 1344041283588.9387 }, "end": { "local": "2012-08-05T01:23:49+01:00", "utc": "2012-08-05T00:23:49Z", "ms": 1344126228813.6191 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-08-04T01:48:04+01:00", "utc": "2012-08-04T00:48:04Z", "ms": 1344041283588.9387 }, "end": { "local": "2012-08-05T01:23:49+01:00", "utc": "2012-08-05T00:23:49Z", "ms": 1344126228813.6191 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-08-04", "window": { "start": { "local": "2012-08-04T11:49:09+01:00", "utc": "2012-08-04T10:49:09Z", "ms": 1344077349077.8765 }, "end": { "local": "2012-08-04T12:37:09+01:00", "utc": "2012-08-04T11:37:09Z", "ms": 1344080229077.8765 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-08-05", "window": { "start": { "local": "2012-08-05T11:49:03+01:00", "utc": "2012-08-05T10:49:03Z", "ms": 1344163742893.0981 }, "end": { "local": "2012-08-05T12:37:03+01:00", "utc": "2012-08-05T11:37:03Z", "ms": 1344166622893.0981 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:48 on Sat 4 Aug to 01:24 on Sun 5 Aug.", "fact": "2012-08-04T00:48:04Z → 2012-08-05T00:23:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 4th, 11:49–12:37 on the 5th.", "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 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36065 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Luanda, 2012: Saturday 4 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": "2012-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-04", "confidence": "determinate" } ], "quote": "In Luanda, Kajjalī Tṛtīyā (Kajari Teej) 2012 falls on Saturday 4 August. Tṛtīyā runs from 01:48 on Sat 4 Aug to 01:24 on Sun 5 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26299, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-08-05T01:23:49+01:00", "utc": "2012-08-05T00:23:49Z", "ms": 1344126228813.6191 }, "end": { "local": "2012-08-06T01:42:46+01:00", "utc": "2012-08-06T00:42:46Z", "ms": 1344213766230.8047 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-08-05T01:23:49+01:00", "utc": "2012-08-05T00:23:49Z", "ms": 1344126228813.6191 }, "end": { "local": "2012-08-06T01:42:46+01:00", "utc": "2012-08-06T00:42:46Z", "ms": 1344213766230.8047 } }, "kaala": "sayahna", "days": [ { "local_date": "2012-08-04", "window": { "start": { "local": "2012-08-04T15:44:34+01:00", "utc": "2012-08-04T14:44:34Z", "ms": 1344091473592.8655 }, "end": { "local": "2012-08-04T18:05:30+01:00", "utc": "2012-08-04T17:05:30Z", "ms": 1344099929936.1917 } }, "covered_min": 0, "window_min": 141, "qualifies": false }, { "local_date": "2012-08-05", "window": { "start": { "local": "2012-08-05T15:44:34+01:00", "utc": "2012-08-05T14:44:34Z", "ms": 1344177873786.3064 }, "end": { "local": "2012-08-05T18:05:34+01:00", "utc": "2012-08-05T17:05:34Z", "ms": 1344186334381.7786 } }, "covered_min": 141, "window_min": 141, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:24 on Sun 5 Aug to 01:43 on Mon 6 Aug.", "fact": "2012-08-05T00:23:49Z → 2012-08-06T00:42:46Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:45–18:05 on the 4th, 15:45–18:06 on the 5th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 141 minutes on the 4th and 141 of 141 on the 5th.", "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 26299 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Luanda, 2012: Sunday 5 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": "2012-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-05", "confidence": "determinate" } ], "quote": "In Luanda, Bahulā Caturthī 2012 falls on Sunday 5 August. Caturthī runs from 01:24 on Sun 5 Aug to 01:43 on Mon 6 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/sankashta-chaturthi?on=2012-08-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16777, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-08-05T01:23:49+01:00", "utc": "2012-08-05T00:23:49Z", "ms": 1344126228813.6191 }, "end": { "local": "2012-08-06T01:42:46+01:00", "utc": "2012-08-06T00:42:46Z", "ms": 1344213766230.8047 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-08-05T01:23:49+01:00", "utc": "2012-08-05T00:23:49Z", "ms": 1344126228813.6191 }, "end": { "local": "2012-08-06T01:42:46+01:00", "utc": "2012-08-06T00:42:46Z", "ms": 1344213766230.8047 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-08-04", "window": { "start": { "local": "2012-08-04T20:14:49+01:00", "utc": "2012-08-04T19:14:49Z", "ms": 1344107689279.276 }, "end": { "local": "2012-08-04T20:14:49+01:00", "utc": "2012-08-04T19:14:49Z", "ms": 1344107689279.276 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-08-05", "window": { "start": { "local": "2012-08-05T21:03:09+01:00", "utc": "2012-08-05T20:03:09Z", "ms": 1344196989308.1194 }, "end": { "local": "2012-08-05T21:03:09+01:00", "utc": "2012-08-05T20:03:09Z", "ms": 1344196989308.1194 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:24 on Sun 5 Aug to 01:43 on Mon 6 Aug.", "fact": "2012-08-05T00:23:49Z → 2012-08-06T00:42:46Z" }, { "step": "kaala", "text": "Moonrise is at 20:15 on the 4th and 21:03 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 4th and is 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 16777 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2012: Sunday 5 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": "2012-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-05", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2012 falls on Sunday 5 August. Caturthī runs from 01:24 on Sun 5 Aug to 01:43 on Mon 6 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/sankashta-chaturthi?on=2012-08-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26447, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2012-08-07T02:45:29+01:00", "utc": "2012-08-07T01:45:29Z", "ms": 1344303928750.3984 }, "end": { "local": "2012-08-08T04:27:54+01:00", "utc": "2012-08-08T03:27:54Z", "ms": 1344396473886.0422 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-08-07T02:45:29+01:00", "utc": "2012-08-07T01:45:29Z", "ms": 1344303928750.3984 }, "end": { "local": "2012-08-08T04:27:54+01:00", "utc": "2012-08-08T03:27:54Z", "ms": 1344396473886.0422 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-08-07", "window": { "start": { "local": "2012-08-07T11:48:49+01:00", "utc": "2012-08-07T10:48:49Z", "ms": 1344336528772.7817 }, "end": { "local": "2012-08-07T12:36:49+01:00", "utc": "2012-08-07T11:36:49Z", "ms": 1344339408772.7817 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-08-08", "window": { "start": { "local": "2012-08-08T11:48:41+01:00", "utc": "2012-08-08T10:48:41Z", "ms": 1344422920850.2827 }, "end": { "local": "2012-08-08T12:36:41+01:00", "utc": "2012-08-08T11:36:41Z", "ms": 1344425800850.2827 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 02:45 on Tue 7 Aug to 04:28 on Wed 8 Aug.", "fact": "2012-08-07T01:45:29Z → 2012-08-08T03:27:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 7th, 11:49–12:37 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26447 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Luanda, 2012: Tuesday 7 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-07", "confidence": "determinate" } ], "quote": "In Luanda, Hala Ṣaṣṭhī 2012 falls on Tuesday 7 August. Ṣaṣṭhī runs from 02:45 on Tue 7 Aug to 04:28 on Wed 8 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18453, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2012-08-08T04:27:54+01:00", "utc": "2012-08-08T03:27:54Z", "ms": 1344396473886.0422 }, "end": { "local": "2012-08-09T06:40:59+01:00", "utc": "2012-08-09T05:40:59Z", "ms": 1344490859394.8967 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-08-08T04:27:54+01:00", "utc": "2012-08-08T03:27:54Z", "ms": 1344396473886.0422 }, "end": { "local": "2012-08-09T06:40:59+01:00", "utc": "2012-08-09T05:40:59Z", "ms": 1344490859394.8967 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-08-08", "window": { "start": { "local": "2012-08-08T11:48:41+01:00", "utc": "2012-08-08T10:48:41Z", "ms": 1344422920850.2827 }, "end": { "local": "2012-08-08T12:36:41+01:00", "utc": "2012-08-08T11:36:41Z", "ms": 1344425800850.2827 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-08-09", "window": { "start": { "local": "2012-08-09T11:48:32+01:00", "utc": "2012-08-09T10:48:32Z", "ms": 1344509312362.1182 }, "end": { "local": "2012-08-09T12:36:32+01:00", "utc": "2012-08-09T11:36:32Z", "ms": 1344512192362.1182 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:28 on Wed 8 Aug to 06:41 on Thu 9 Aug.", "fact": "2012-08-08T03:27:54Z → 2012-08-09T05:40:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 8th, 11:49–12:37 on the 9th.", "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 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18453 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Luanda, 2012: Wednesday 8 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-08", "confidence": "determinate" } ], "quote": "In Luanda, Śītalā Saptamī 2012 falls on Wednesday 8 August. Saptamī runs from 04:28 on Wed 8 Aug to 06:41 on Thu 9 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21868, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2012-08-09T06:40:59+01:00", "utc": "2012-08-09T05:40:59Z", "ms": 1344490859394.8967 }, "end": { "local": "2012-08-10T09:11:23+01:00", "utc": "2012-08-10T08:11:23Z", "ms": 1344586283056.6016 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-08-09T06:40:59+01:00", "utc": "2012-08-09T05:40:59Z", "ms": 1344490859394.8967 }, "end": { "local": "2012-08-10T09:11:23+01:00", "utc": "2012-08-10T08:11:23Z", "ms": 1344586283056.6016 } }, "kaala": "nishita", "days": [ { "local_date": "2012-08-08", "window": { "start": { "local": "2012-08-08T23:48:31+01:00", "utc": "2012-08-08T22:48:31Z", "ms": 1344466110994.0518 }, "end": { "local": "2012-08-09T00:36:31+01:00", "utc": "2012-08-08T23:36:31Z", "ms": 1344468990994.0518 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-08-09", "window": { "start": { "local": "2012-08-09T23:48:22+01:00", "utc": "2012-08-09T22:48:22Z", "ms": 1344552502156.5518 }, "end": { "local": "2012-08-10T00:36:22+01:00", "utc": "2012-08-09T23:36:22Z", "ms": 1344555382156.5518 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:41 on Thu 9 Aug to 09:11 on Fri 10 Aug.", "fact": "2012-08-09T05:40:59Z → 2012-08-10T08:11:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 8th, 23:48–00:36 on the 9th.", "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 8th and 48 of 48 on the 9th.", "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 21868 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Luanda, 2012: Thursday 9 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-09", "confidence": "determinate" } ], "quote": "In Luanda, Janmāṣṭamī (Krishna Janmashtami) 2012 falls on Thursday 9 August. Aṣṭamī runs from 06:41 on Thu 9 Aug to 09:11 on Fri 10 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-08-13", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27755, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-08-12T14:00:48+01:00", "utc": "2012-08-12T13:00:48Z", "ms": 1344776448439.1948 }, "end": { "local": "2012-08-13T15:51:05+01:00", "utc": "2012-08-13T14:51:05Z", "ms": 1344869464787.984 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-08-12T14:00:48+01:00", "utc": "2012-08-12T13:00:48Z", "ms": 1344776448439.1948 }, "end": { "local": "2012-08-13T15:51:05+01:00", "utc": "2012-08-13T14:51:05Z", "ms": 1344869464787.984 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-08-12", "window": { "start": { "local": "2012-08-12T06:18:14+01:00", "utc": "2012-08-12T05:18:14Z", "ms": 1344748693562.171 }, "end": { "local": "2012-08-12T06:18:14+01:00", "utc": "2012-08-12T05:18:14Z", "ms": 1344748693562.171 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-08-13", "window": { "start": { "local": "2012-08-13T06:17:51+01:00", "utc": "2012-08-13T05:17:51Z", "ms": 1344835071120.762 }, "end": { "local": "2012-08-13T06:17:51+01:00", "utc": "2012-08-13T05:17:51Z", "ms": 1344835071120.762 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:01 on Sun 12 Aug to 15:51 on Mon 13 Aug.", "fact": "2012-08-12T13:00:48Z → 2012-08-13T14:51:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:18 on the 12th and 06:18 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27755 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Luanda, 2012: Monday 13 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": "2012-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-13", "confidence": "determinate" } ], "quote": "In Luanda, Ajā Ekādaśī 2012 falls on Monday 13 August. Ekādaśī runs from 14:01 on Sun 12 Aug to 15:51 on Mon 13 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-08-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-08-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1567, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-08-14T17:05:22+01:00", "utc": "2012-08-14T16:05:22Z", "ms": 1344960321801.0452 }, "end": { "local": "2012-08-15T17:39:49+01:00", "utc": "2012-08-15T16:39:49Z", "ms": 1345048789047.9587 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-08-14T17:05:22+01:00", "utc": "2012-08-14T16:05:22Z", "ms": 1344960321801.0452 }, "end": { "local": "2012-08-15T17:39:49+01:00", "utc": "2012-08-15T16:39:49Z", "ms": 1345048789047.9587 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-08-14", "window": { "start": { "local": "2012-08-14T18:05:55+01:00", "utc": "2012-08-14T17:05:55Z", "ms": 1344963955310.6824 }, "end": { "local": "2012-08-14T19:43:25+01:00", "utc": "2012-08-14T18:43:25Z", "ms": 1344969804507.0334 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2012-08-15", "window": { "start": { "local": "2012-08-15T18:05:56+01:00", "utc": "2012-08-15T17:05:56Z", "ms": 1345050355570.1726 }, "end": { "local": "2012-08-15T19:43:21+01:00", "utc": "2012-08-15T18:43:21Z", "ms": 1345056201481.9878 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:05 on Tue 14 Aug to 17:40 on Wed 15 Aug.", "fact": "2012-08-14T16:05:22Z → 2012-08-15T16:39:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:43 on the 14th, 18:06–19:43 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 97 of 97 minutes on the 14th and 0 of 97 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1567 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2012: Tuesday 14 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": "2012-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-14", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2012 falls on Tuesday 14 August. Trayodaśī runs from 17:05 on Tue 14 Aug to 17:40 on Wed 15 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1567, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-08-15T17:39:49+01:00", "utc": "2012-08-15T16:39:49Z", "ms": 1345048789047.9587 }, "end": { "local": "2012-08-16T17:34:56+01:00", "utc": "2012-08-16T16:34:56Z", "ms": 1345134895663.7905 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-08-15T17:39:49+01:00", "utc": "2012-08-15T16:39:49Z", "ms": 1345048789047.9587 }, "end": { "local": "2012-08-16T17:34:56+01:00", "utc": "2012-08-16T16:34:56Z", "ms": 1345134895663.7905 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-08-15", "window": { "start": { "local": "2012-08-15T18:05:56+01:00", "utc": "2012-08-15T17:05:56Z", "ms": 1345050355570.1726 }, "end": { "local": "2012-08-15T19:43:21+01:00", "utc": "2012-08-15T18:43:21Z", "ms": 1345056201481.9878 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2012-08-16", "window": { "start": { "local": "2012-08-16T18:05:55+01:00", "utc": "2012-08-16T17:05:55Z", "ms": 1345136755428.1763 }, "end": { "local": "2012-08-16T19:43:18+01:00", "utc": "2012-08-16T18:43:18Z", "ms": 1345142598025.9192 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:40 on Wed 15 Aug to 17:35 on Thu 16 Aug.", "fact": "2012-08-15T16:39:49Z → 2012-08-16T16:34:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:43 on the 15th, 18:06–19:43 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 15th and 0 of 97 on the 16th.", "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 1567 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Luanda, 2012: Wednesday 15 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-15", "confidence": "determinate" } ], "quote": "In Luanda, Aghora Caturdaśī 2012 falls on Wednesday 15 August. Caturdaśī runs from 17:40 on Wed 15 Aug to 17:35 on Thu 16 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/shivaratri?on=2012-08-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22049, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-08-15T17:39:49+01:00", "utc": "2012-08-15T16:39:49Z", "ms": 1345048789047.9587 }, "end": { "local": "2012-08-16T17:34:56+01:00", "utc": "2012-08-16T16:34:56Z", "ms": 1345134895663.7905 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-08-15T17:39:49+01:00", "utc": "2012-08-15T16:39:49Z", "ms": 1345048789047.9587 }, "end": { "local": "2012-08-16T17:34:56+01:00", "utc": "2012-08-16T16:34:56Z", "ms": 1345134895663.7905 } }, "kaala": "nishita", "days": [ { "local_date": "2012-08-15", "window": { "start": { "local": "2012-08-15T23:47:18+01:00", "utc": "2012-08-15T22:47:18Z", "ms": 1345070837739.4795 }, "end": { "local": "2012-08-16T00:35:18+01:00", "utc": "2012-08-15T23:35:18Z", "ms": 1345073717739.4795 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-08-16", "window": { "start": { "local": "2012-08-16T23:47:05+01:00", "utc": "2012-08-16T22:47:05Z", "ms": 1345157225169.7122 }, "end": { "local": "2012-08-17T00:35:05+01:00", "utc": "2012-08-16T23:35:05Z", "ms": 1345160105169.7122 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:40 on Wed 15 Aug to 17:35 on Thu 16 Aug.", "fact": "2012-08-15T16:39:49Z → 2012-08-16T16:34:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 15th, 23:47–00:35 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22049 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2012: Wednesday 15 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": "2012-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-15", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri (Masik Shivaratri) 2012 falls on Wednesday 15 August. Caturdaśī runs from 17:40 on Wed 15 Aug to 17:35 on Thu 16 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/shivaratri?on=2012-08-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/ekadashi?on=2012-08-27", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30087, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-08-26T21:50:06+01:00", "utc": "2012-08-26T20:50:06Z", "ms": 1346014205979.67 }, "end": { "local": "2012-08-27T19:58:42+01:00", "utc": "2012-08-27T18:58:42Z", "ms": 1346093922246.0967 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": true, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-08-26T21:50:06+01:00", "utc": "2012-08-26T20:50:06Z", "ms": 1346014205979.67 }, "end": { "local": "2012-08-27T19:58:42+01:00", "utc": "2012-08-27T18:58:42Z", "ms": 1346093922246.0967 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-08-27", "window": { "start": { "local": "2012-08-27T06:11:33+01:00", "utc": "2012-08-27T05:11:33Z", "ms": 1346044293242.602 }, "end": { "local": "2012-08-27T06:11:33+01:00", "utc": "2012-08-27T05:11:33Z", "ms": 1346044293242.602 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-08-28", "window": { "start": { "local": "2012-08-28T06:11:02+01:00", "utc": "2012-08-28T05:11:02Z", "ms": 1346130662227.066 }, "end": { "local": "2012-08-28T06:11:02+01:00", "utc": "2012-08-28T05:11:02Z", "ms": 1346130662227.066 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:50 on Sun 26 Aug to 19:59 on Mon 27 Aug.", "fact": "2012-08-26T20:50:06Z → 2012-08-27T18:58:42Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 27th and 06:11 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 30087 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Luanda, 2012: Monday 27 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": "2012-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-27", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Ekādaśī 2012 falls on Monday 27 August. Ekādaśī runs from 21:50 on Sun 26 Aug to 19:59 on Mon 27 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-08-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-08-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 702, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-08-28T18:17:07+01:00", "utc": "2012-08-28T17:17:07Z", "ms": 1346174226589.1096 }, "end": { "local": "2012-08-29T16:49:34+01:00", "utc": "2012-08-29T15:49:34Z", "ms": 1346255373785.7168 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": true, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-08-28T18:17:07+01:00", "utc": "2012-08-28T17:17:07Z", "ms": 1346174226589.1096 }, "end": { "local": "2012-08-29T16:49:34+01:00", "utc": "2012-08-29T15:49:34Z", "ms": 1346255373785.7168 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-08-28", "window": { "start": { "local": "2012-08-28T18:05:24+01:00", "utc": "2012-08-28T17:05:24Z", "ms": 1346173524247.38 }, "end": { "local": "2012-08-28T19:42:05+01:00", "utc": "2012-08-28T18:42:05Z", "ms": 1346179325116.6982 } }, "covered_min": 85, "window_min": 97, "qualifies": true }, { "local_date": "2012-08-29", "window": { "start": { "local": "2012-08-29T18:05:19+01:00", "utc": "2012-08-29T17:05:19Z", "ms": 1346259919466.6338 }, "end": { "local": "2012-08-29T19:41:57+01:00", "utc": "2012-08-29T18:41:57Z", "ms": 1346265716722.4277 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:17 on Tue 28 Aug to 16:50 on Wed 29 Aug.", "fact": "2012-08-28T17:17:07Z → 2012-08-29T15:49:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:42 on the 28th, 18:05–19:42 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 85 of 97 minutes on the 28th and 0 of 97 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 702 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2012: Tuesday 28 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": "2012-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-08-28", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2012 falls on Tuesday 28 August. Trayodaśī runs from 18:17 on Tue 28 Aug to 16:50 on Wed 29 Aug and covers 85 of 97 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-08-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/sankashta-chaturthi?on=2012-09-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12695, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-09-03T16:09:03+01:00", "utc": "2012-09-03T15:09:03Z", "ms": 1346684943268.386 }, "end": { "local": "2012-09-04T17:46:11+01:00", "utc": "2012-09-04T16:46:11Z", "ms": 1346777170749.764 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": true, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-03T16:09:03+01:00", "utc": "2012-09-03T15:09:03Z", "ms": 1346684943268.386 }, "end": { "local": "2012-09-04T17:46:11+01:00", "utc": "2012-09-04T16:46:11Z", "ms": 1346777170749.764 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-09-03", "window": { "start": { "local": "2012-09-03T20:30:05+01:00", "utc": "2012-09-03T19:30:05Z", "ms": 1346700605382.2495 }, "end": { "local": "2012-09-03T20:30:05+01:00", "utc": "2012-09-03T19:30:05Z", "ms": 1346700605382.2495 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-09-04", "window": { "start": { "local": "2012-09-04T21:17:46+01:00", "utc": "2012-09-04T20:17:46Z", "ms": 1346789865676.5469 }, "end": { "local": "2012-09-04T21:17:46+01:00", "utc": "2012-09-04T20:17:46Z", "ms": 1346789865676.5469 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:09 on Mon 3 Sep to 17:46 on Tue 4 Sep.", "fact": "2012-09-03T15:09:03Z → 2012-09-04T16:46:11Z" }, { "step": "kaala", "text": "Moonrise is at 20:30 on the 3rd and 21:18 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12695 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2012: Monday 3 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-03", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2012 falls on Monday 3 September. Caturthī runs from 16:09 on Mon 3 Sep to 17:46 on Tue 4 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/sankashta-chaturthi?on=2012-09-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/ekadashi?on=2012-09-12", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3026, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-09-11T06:53:38+01:00", "utc": "2012-09-11T05:53:38Z", "ms": 1347342818027.1724 }, "end": { "local": "2012-09-12T07:34:43+01:00", "utc": "2012-09-12T06:34:43Z", "ms": 1347431683034.6648 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": true, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-11T06:53:38+01:00", "utc": "2012-09-11T05:53:38Z", "ms": 1347342818027.1724 }, "end": { "local": "2012-09-12T07:34:43+01:00", "utc": "2012-09-12T06:34:43Z", "ms": 1347431683034.6648 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-09-11", "window": { "start": { "local": "2012-09-11T06:03:12+01:00", "utc": "2012-09-11T05:03:12Z", "ms": 1347339791606.284 }, "end": { "local": "2012-09-11T06:03:12+01:00", "utc": "2012-09-11T05:03:12Z", "ms": 1347339791606.284 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-09-12", "window": { "start": { "local": "2012-09-12T06:02:36+01:00", "utc": "2012-09-12T05:02:36Z", "ms": 1347426156280.085 }, "end": { "local": "2012-09-12T06:02:36+01:00", "utc": "2012-09-12T05:02:36Z", "ms": 1347426156280.085 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:54 on Tue 11 Sep to 07:35 on Wed 12 Sep.", "fact": "2012-09-11T05:53:38Z → 2012-09-12T06:34:43Z" }, { "step": "kaala", "text": "Sunrise is at 06:03 on the 11th and 06:03 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 3026 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Luanda, 2012: Wednesday 12 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": "2012-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-12", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Ekādaśī 2012 falls on Wednesday 12 September. Ekādaśī runs from 06:54 on Tue 11 Sep to 07:35 on Wed 12 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-09-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-09-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38070, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-09-13T07:29:16+01:00", "utc": "2012-09-13T06:29:16Z", "ms": 1347517755591.3723 }, "end": { "local": "2012-09-14T06:39:25+01:00", "utc": "2012-09-14T05:39:25Z", "ms": 1347601165359.5684 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": true, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-13T07:29:16+01:00", "utc": "2012-09-13T06:29:16Z", "ms": 1347517755591.3723 }, "end": { "local": "2012-09-14T06:39:25+01:00", "utc": "2012-09-14T05:39:25Z", "ms": 1347601165359.5684 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-09-13", "window": { "start": { "local": "2012-09-13T18:03:45+01:00", "utc": "2012-09-13T17:03:45Z", "ms": 1347555825458.6494 }, "end": { "local": "2012-09-13T19:39:27+01:00", "utc": "2012-09-13T18:39:27Z", "ms": 1347561566771.262 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2012-09-14", "window": { "start": { "local": "2012-09-14T18:03:38+01:00", "utc": "2012-09-14T17:03:38Z", "ms": 1347642218486.9583 }, "end": { "local": "2012-09-14T19:39:16+01:00", "utc": "2012-09-14T18:39:16Z", "ms": 1347647955980.8484 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:29 on Thu 13 Sep to 06:39 on Fri 14 Sep.", "fact": "2012-09-13T06:29:16Z → 2012-09-14T05:39:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:39 on the 13th, 18:04–19:39 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 96 of 96 minutes on the 13th and 0 of 96 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38070 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2012: Thursday 13 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": "2012-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-13", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2012 falls on Thursday 13 September. Trayodaśī runs from 07:29 on Thu 13 Sep to 06:39 on Fri 14 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-09-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/shivaratri?on=2012-09-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17067, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-09-14T06:39:25+01:00", "utc": "2012-09-14T05:39:25Z", "ms": 1347601165359.5684 }, "end": { "local": "2012-09-15T05:10:41+01:00", "utc": "2012-09-15T04:10:41Z", "ms": 1347682241437.7485 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": true, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-14T06:39:25+01:00", "utc": "2012-09-14T05:39:25Z", "ms": 1347601165359.5684 }, "end": { "local": "2012-09-15T05:10:41+01:00", "utc": "2012-09-15T04:10:41Z", "ms": 1347682241437.7485 } }, "kaala": "nishita", "days": [ { "local_date": "2012-09-13", "window": { "start": { "local": "2012-09-13T23:38:35+01:00", "utc": "2012-09-13T22:38:35Z", "ms": 1347575915380.9468 }, "end": { "local": "2012-09-14T00:26:35+01:00", "utc": "2012-09-13T23:26:35Z", "ms": 1347578795380.9468 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-09-14", "window": { "start": { "local": "2012-09-14T23:38:14+01:00", "utc": "2012-09-14T22:38:14Z", "ms": 1347662294089.0461 }, "end": { "local": "2012-09-15T00:26:14+01:00", "utc": "2012-09-14T23:26:14Z", "ms": 1347665174089.0461 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:39 on Fri 14 Sep to 05:11 on Sat 15 Sep.", "fact": "2012-09-14T05:39:25Z → 2012-09-15T04:10:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 13th, 23:38–00:26 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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17067 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2012: Friday 14 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": "2012-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-14", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri (Masik Shivaratri) 2012 falls on Friday 14 September. Caturdaśī runs from 06:39 on Fri 14 Sep to 05:11 on Sat 15 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/shivaratri?on=2012-09-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30432, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2012-09-16T03:10:38+01:00", "utc": "2012-09-16T02:10:38Z", "ms": 1347761437567.6853 }, "end": { "local": "2012-09-17T00:47:46+01:00", "utc": "2012-09-16T23:47:46Z", "ms": 1347839266324.4097 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-16T03:10:38+01:00", "utc": "2012-09-16T02:10:38Z", "ms": 1347761437567.6853 }, "end": { "local": "2012-09-17T00:47:46+01:00", "utc": "2012-09-16T23:47:46Z", "ms": 1347839266324.4097 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-09-16", "window": { "start": { "local": "2012-09-16T11:37:49+01:00", "utc": "2012-09-16T10:37:49Z", "ms": 1347791869290.4363 }, "end": { "local": "2012-09-16T12:25:49+01:00", "utc": "2012-09-16T11:25:49Z", "ms": 1347794749290.4363 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-09-17", "window": { "start": { "local": "2012-09-17T11:37:28+01:00", "utc": "2012-09-17T10:37:28Z", "ms": 1347878247971.0952 }, "end": { "local": "2012-09-17T12:25:28+01:00", "utc": "2012-09-17T11:25:28Z", "ms": 1347881127971.0952 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:11 on Sun 16 Sep to 00:48 on Mon 17 Sep.", "fact": "2012-09-16T02:10:38Z → 2012-09-16T23:47:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 16th, 11:37–12:25 on the 17th.", "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 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: purvaviddha → only-day · margin 30432 s" }, { "step": "ruling", "text": "Rudra Vrata, Luanda, 2012: Sunday 16 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": "2012-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-16", "confidence": "determinate" } ], "quote": "In Luanda, Rudra Vrata 2012 falls on Sunday 16 September. Pratipadā runs from 03:11 on Sun 16 Sep to 00:48 on Mon 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25361, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2012-09-17T22:10:47+01:00", "utc": "2012-09-17T21:10:47Z", "ms": 1347916247188.4878 }, "end": { "local": "2012-09-18T19:27:48+01:00", "utc": "2012-09-18T18:27:48Z", "ms": 1347992867962.2043 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-17T22:10:47+01:00", "utc": "2012-09-17T21:10:47Z", "ms": 1347916247188.4878 }, "end": { "local": "2012-09-18T19:27:48+01:00", "utc": "2012-09-18T18:27:48Z", "ms": 1347992867962.2043 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-09-17", "window": { "start": { "local": "2012-09-17T11:37:28+01:00", "utc": "2012-09-17T10:37:28Z", "ms": 1347878247971.0952 }, "end": { "local": "2012-09-17T12:25:28+01:00", "utc": "2012-09-17T11:25:28Z", "ms": 1347881127971.0952 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-09-18", "window": { "start": { "local": "2012-09-18T11:37:07+01:00", "utc": "2012-09-18T10:37:07Z", "ms": 1347964626661.082 }, "end": { "local": "2012-09-18T12:25:07+01:00", "utc": "2012-09-18T11:25:07Z", "ms": 1347967506661.082 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:11 on Mon 17 Sep to 19:28 on Tue 18 Sep.", "fact": "2012-09-17T21:10:47Z → 2012-09-18T18:27:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 17th, 11:37–12:25 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25361 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Luanda, 2012: Tuesday 18 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": "2012-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-18", "confidence": "determinate" } ], "quote": "In Luanda, Haritālikā Vrata (Hartalika Teej) 2012 falls on Tuesday 18 September. Tṛtīyā runs from 22:11 on Mon 17 Sep to 19:28 on Tue 18 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15672, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-09-18T19:27:48+01:00", "utc": "2012-09-18T18:27:48Z", "ms": 1347992867962.2043 }, "end": { "local": "2012-09-19T16:45:57+01:00", "utc": "2012-09-19T15:45:57Z", "ms": 1348069557434.5396 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-18T19:27:48+01:00", "utc": "2012-09-18T18:27:48Z", "ms": 1347992867962.2043 }, "end": { "local": "2012-09-19T16:45:57+01:00", "utc": "2012-09-19T15:45:57Z", "ms": 1348069557434.5396 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-09-18", "window": { "start": { "local": "2012-09-18T11:37:07+01:00", "utc": "2012-09-18T10:37:07Z", "ms": 1347964626661.082 }, "end": { "local": "2012-09-18T12:25:07+01:00", "utc": "2012-09-18T11:25:07Z", "ms": 1347967506661.082 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-09-19", "window": { "start": { "local": "2012-09-19T11:36:45+01:00", "utc": "2012-09-19T10:36:45Z", "ms": 1348051005376.151 }, "end": { "local": "2012-09-19T12:24:45+01:00", "utc": "2012-09-19T11:24:45Z", "ms": 1348053885376.151 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:28 on Tue 18 Sep to 16:46 on Wed 19 Sep.", "fact": "2012-09-18T18:27:48Z → 2012-09-19T15:45:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 18th, 11:37–12:25 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15672 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Luanda, 2012: Wednesday 19 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": "2012-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-19", "confidence": "determinate" } ], "quote": "In Luanda, Gaṇeśa Caturthī 2012 falls on Wednesday 19 September. Caturthī runs from 19:28 on Tue 18 Sep to 16:46 on Wed 19 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6404, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2012-09-19T16:45:57+01:00", "utc": "2012-09-19T15:45:57Z", "ms": 1348069557434.5396 }, "end": { "local": "2012-09-20T14:11:08+01:00", "utc": "2012-09-20T13:11:08Z", "ms": 1348146667896.323 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-19T16:45:57+01:00", "utc": "2012-09-19T15:45:57Z", "ms": 1348069557434.5396 }, "end": { "local": "2012-09-20T14:11:08+01:00", "utc": "2012-09-20T13:11:08Z", "ms": 1348146667896.323 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-09-19", "window": { "start": { "local": "2012-09-19T11:36:45+01:00", "utc": "2012-09-19T10:36:45Z", "ms": 1348051005376.151 }, "end": { "local": "2012-09-19T12:24:45+01:00", "utc": "2012-09-19T11:24:45Z", "ms": 1348053885376.151 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-09-20", "window": { "start": { "local": "2012-09-20T11:36:24+01:00", "utc": "2012-09-20T10:36:24Z", "ms": 1348137384132.692 }, "end": { "local": "2012-09-20T12:24:24+01:00", "utc": "2012-09-20T11:24:24Z", "ms": 1348140264132.692 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:46 on Wed 19 Sep to 14:11 on Thu 20 Sep.", "fact": "2012-09-19T15:45:57Z → 2012-09-20T13:11:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 19th, 11:36–12:24 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 6404 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Luanda, 2012: Thursday 20 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": "2012-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-20", "confidence": "determinate" } ], "quote": "In Luanda, Ṛṣi Pañcamī 2012 falls on Thursday 20 September. Pañcamī runs from 16:46 on Wed 19 Sep to 14:11 on Thu 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 705, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2012-09-20T14:11:08+01:00", "utc": "2012-09-20T13:11:08Z", "ms": 1348146667896.323 }, "end": { "local": "2012-09-21T11:47:47+01:00", "utc": "2012-09-21T10:47:47Z", "ms": 1348224467476.6196 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-20T14:11:08+01:00", "utc": "2012-09-20T13:11:08Z", "ms": 1348146667896.323 }, "end": { "local": "2012-09-21T11:47:47+01:00", "utc": "2012-09-21T10:47:47Z", "ms": 1348224467476.6196 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-09-20", "window": { "start": { "local": "2012-09-20T11:36:24+01:00", "utc": "2012-09-20T10:36:24Z", "ms": 1348137384132.692 }, "end": { "local": "2012-09-20T12:24:24+01:00", "utc": "2012-09-20T11:24:24Z", "ms": 1348140264132.692 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-09-21", "window": { "start": { "local": "2012-09-21T11:36:03+01:00", "utc": "2012-09-21T10:36:03Z", "ms": 1348223762948.024 }, "end": { "local": "2012-09-21T12:24:03+01:00", "utc": "2012-09-21T11:24:03Z", "ms": 1348226642948.024 } }, "covered_min": 12, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:11 on Thu 20 Sep to 11:48 on Fri 21 Sep.", "fact": "2012-09-20T13:11:08Z → 2012-09-21T10:47:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 20th, 11:36–12:24 on the 21st.", "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 20th and 12 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: paraviddha → only-day · margin 705 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Luanda, 2012: Friday 21 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": "2012-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-21", "confidence": "determinate" } ], "quote": "In Luanda, Sūrya Ṣaṣṭhī (Bhādrapada) 2012 falls on Friday 21 September. Ṣaṣṭhī runs from 14:11 on Thu 20 Sep to 11:48 on Fri 21 Sep and covers 12 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 705, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2012-09-21T11:47:47+01:00", "utc": "2012-09-21T10:47:47Z", "ms": 1348224467476.6196 }, "end": { "local": "2012-09-22T09:39:03+01:00", "utc": "2012-09-22T08:39:03Z", "ms": 1348303143088.6765 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-21T11:47:47+01:00", "utc": "2012-09-21T10:47:47Z", "ms": 1348224467476.6196 }, "end": { "local": "2012-09-22T09:39:03+01:00", "utc": "2012-09-22T08:39:03Z", "ms": 1348303143088.6765 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-09-21", "window": { "start": { "local": "2012-09-21T11:36:03+01:00", "utc": "2012-09-21T10:36:03Z", "ms": 1348223762948.024 }, "end": { "local": "2012-09-21T12:24:03+01:00", "utc": "2012-09-21T11:24:03Z", "ms": 1348226642948.024 } }, "covered_min": 36, "window_min": 48, "qualifies": true }, { "local_date": "2012-09-22", "window": { "start": { "local": "2012-09-22T11:35:42+01:00", "utc": "2012-09-22T10:35:42Z", "ms": 1348310141840.5784 }, "end": { "local": "2012-09-22T12:23:42+01:00", "utc": "2012-09-22T11:23:42Z", "ms": 1348313021840.5784 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 11:48 on Fri 21 Sep to 09:39 on Sat 22 Sep.", "fact": "2012-09-21T10:47:47Z → 2012-09-22T08:39:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 21st, 11:36–12:24 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 36 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 705 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Luanda, 2012: Friday 21 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": "2012-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-21", "confidence": "determinate" } ], "quote": "In Luanda, Muktābharaṇa Vrata 2012 falls on Friday 21 September. Saptamī runs from 11:48 on Fri 21 Sep to 09:39 on Sat 22 Sep and covers 36 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6999, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2012-09-22T09:39:03+01:00", "utc": "2012-09-22T08:39:03Z", "ms": 1348303143088.6765 }, "end": { "local": "2012-09-23T07:46:54+01:00", "utc": "2012-09-23T06:46:54Z", "ms": 1348382814262.6272 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-22T09:39:03+01:00", "utc": "2012-09-22T08:39:03Z", "ms": 1348303143088.6765 }, "end": { "local": "2012-09-23T07:46:54+01:00", "utc": "2012-09-23T06:46:54Z", "ms": 1348382814262.6272 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-09-22", "window": { "start": { "local": "2012-09-22T11:35:42+01:00", "utc": "2012-09-22T10:35:42Z", "ms": 1348310141840.5784 }, "end": { "local": "2012-09-22T12:23:42+01:00", "utc": "2012-09-22T11:23:42Z", "ms": 1348313021840.5784 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-09-23", "window": { "start": { "local": "2012-09-23T11:35:21+01:00", "utc": "2012-09-23T10:35:21Z", "ms": 1348396520829.956 }, "end": { "local": "2012-09-23T12:23:21+01:00", "utc": "2012-09-23T11:23:21Z", "ms": 1348399400829.956 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:39 on Sat 22 Sep to 07:47 on Sun 23 Sep.", "fact": "2012-09-22T08:39:03Z → 2012-09-23T06:46:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 22nd, 11:35–12:23 on the 23rd.", "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 22nd and 0 of 48 on the 23rd.", "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 6999 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Luanda, 2012: Saturday 22 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": "2012-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-22", "confidence": "determinate" } ], "quote": "In Luanda, Rādhāṣṭamī 2012 falls on Saturday 22 September. Aṣṭamī runs from 09:39 on Sat 22 Sep to 07:47 on Sun 23 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-09-25", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3466, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-09-25T04:57:08+01:00", "utc": "2012-09-25T03:57:08Z", "ms": 1348545427734.623 }, "end": { "local": "2012-09-26T04:01:38+01:00", "utc": "2012-09-26T03:01:38Z", "ms": 1348628497857.249 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-25T04:57:08+01:00", "utc": "2012-09-25T03:57:08Z", "ms": 1348545427734.623 }, "end": { "local": "2012-09-26T04:01:38+01:00", "utc": "2012-09-26T03:01:38Z", "ms": 1348628497857.249 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-09-25", "window": { "start": { "local": "2012-09-25T05:54:53+01:00", "utc": "2012-09-25T04:54:53Z", "ms": 1348548893439.7588 }, "end": { "local": "2012-09-25T05:54:53+01:00", "utc": "2012-09-25T04:54:53Z", "ms": 1348548893439.7588 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-09-26", "window": { "start": { "local": "2012-09-26T05:54:18+01:00", "utc": "2012-09-26T04:54:18Z", "ms": 1348635258246.613 }, "end": { "local": "2012-09-26T05:54:18+01:00", "utc": "2012-09-26T04:54:18Z", "ms": 1348635258246.613 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:57 on Tue 25 Sep to 04:02 on Wed 26 Sep.", "fact": "2012-09-25T03:57:08Z → 2012-09-26T03:01:38Z" }, { "step": "kaala", "text": "Sunrise is at 05:55 on the 25th and 05:54 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 3466 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Luanda, 2012: Tuesday 25 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-25", "confidence": "determinate" } ], "quote": "In Luanda, Parivartanī Ekādaśī 2012 falls on Tuesday 25 September. Ekādaśī runs from 04:57 on Tue 25 Sep to 04:02 on Wed 26 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-09-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27161, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2012-09-26T04:01:38+01:00", "utc": "2012-09-26T03:01:38Z", "ms": 1348628497857.249 }, "end": { "local": "2012-09-27T03:27:44+01:00", "utc": "2012-09-27T02:27:44Z", "ms": 1348712863981.9297 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-26T04:01:38+01:00", "utc": "2012-09-26T03:01:38Z", "ms": 1348628497857.249 }, "end": { "local": "2012-09-27T03:27:44+01:00", "utc": "2012-09-27T02:27:44Z", "ms": 1348712863981.9297 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-09-26", "window": { "start": { "local": "2012-09-26T11:34:19+01:00", "utc": "2012-09-26T10:34:19Z", "ms": 1348655658591.1797 }, "end": { "local": "2012-09-26T12:22:19+01:00", "utc": "2012-09-26T11:22:19Z", "ms": 1348658538591.1797 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-09-27", "window": { "start": { "local": "2012-09-27T11:33:58+01:00", "utc": "2012-09-27T10:33:58Z", "ms": 1348742038184.352 }, "end": { "local": "2012-09-27T12:21:58+01:00", "utc": "2012-09-27T11:21:58Z", "ms": 1348744918184.352 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:02 on Wed 26 Sep to 03:28 on Thu 27 Sep.", "fact": "2012-09-26T03:01:38Z → 2012-09-27T02:27:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 26th, 11:34–12:22 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27161 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Luanda, 2012: Wednesday 26 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": "2012-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-26", "confidence": "determinate" } ], "quote": "In Luanda, Vāmana Jayantī 2012 falls on Wednesday 26 September. Dvādaśī runs from 04:02 on Wed 26 Sep to 03:28 on Thu 27 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/pradosha-vrata?on=2012-09-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27636, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-09-27T03:27:44+01:00", "utc": "2012-09-27T02:27:44Z", "ms": 1348712863981.9297 }, "end": { "local": "2012-09-28T03:17:37+01:00", "utc": "2012-09-28T02:17:37Z", "ms": 1348798656543.0664 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-27T03:27:44+01:00", "utc": "2012-09-27T02:27:44Z", "ms": 1348712863981.9297 }, "end": { "local": "2012-09-28T03:17:37+01:00", "utc": "2012-09-28T02:17:37Z", "ms": 1348798656543.0664 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-09-26", "window": { "start": { "local": "2012-09-26T18:02:19+01:00", "utc": "2012-09-26T17:02:19Z", "ms": 1348678938935.746 }, "end": { "local": "2012-09-26T19:37:10+01:00", "utc": "2012-09-26T18:37:10Z", "ms": 1348684630174.2622 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2012-09-27", "window": { "start": { "local": "2012-09-27T18:02:13+01:00", "utc": "2012-09-27T17:02:13Z", "ms": 1348765333144.0872 }, "end": { "local": "2012-09-27T19:37:01+01:00", "utc": "2012-09-27T18:37:01Z", "ms": 1348771020511.4543 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:28 on Thu 27 Sep to 03:18 on Fri 28 Sep.", "fact": "2012-09-27T02:27:44Z → 2012-09-28T02:17:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:37 on the 26th, 18:02–19:37 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 95 minutes on the 26th and 95 of 95 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 27636 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2012: Thursday 27 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": "2012-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-27", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2012 falls on Thursday 27 September. Trayodaśī runs from 03:28 on Thu 27 Sep to 03:18 on Fri 28 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-09-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8327, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-09-28T03:17:37+01:00", "utc": "2012-09-28T02:17:37Z", "ms": 1348798656543.0664 }, "end": { "local": "2012-09-29T03:33:47+01:00", "utc": "2012-09-29T02:33:47Z", "ms": 1348886026773.889 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2012-09-28T03:17:37+01:00", "utc": "2012-09-28T02:17:37Z", "ms": 1348798656543.0664 }, "end": { "local": "2012-09-29T03:33:47+01:00", "utc": "2012-09-29T02:33:47Z", "ms": 1348886026773.889 } }, "kaala": "udaya-3", "days": [ { "local_date": "2012-09-28", "window": { "start": { "local": "2012-09-28T05:53:08+01:00", "utc": "2012-09-28T04:53:08Z", "ms": 1348807988399.3413 }, "end": { "local": "2012-09-28T08:18:56+01:00", "utc": "2012-09-28T07:18:56Z", "ms": 1348816736234.1235 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "2012-09-29", "window": { "start": { "local": "2012-09-29T05:52:34+01:00", "utc": "2012-09-29T04:52:34Z", "ms": 1348894353796.6636 }, "end": { "local": "2012-09-29T08:18:27+01:00", "utc": "2012-09-29T07:18:27Z", "ms": 1348903107486.3723 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:18 on Fri 28 Sep to 03:34 on Sat 29 Sep.", "fact": "2012-09-28T02:17:37Z → 2012-09-29T02:33:47Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:53–08:19 on the 28th, 05:53–08:18 on the 29th.", "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 28th and 0 of 146 on the 29th.", "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 8327 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Luanda, 2012: Friday 28 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananta-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)." } ], "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.", "kaala": "udaya-3", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-09-28", "confidence": "determinate" } ], "quote": "In Luanda, Ananta Caturdaśī 2012 falls on Friday 28 September. Caturdaśī runs from 03:18 on Fri 28 Sep to 03:34 on Sat 29 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/sankashta-chaturthi?on=2012-10-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34535, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-10-03T09:29:32+01:00", "utc": "2012-10-03T08:29:32Z", "ms": 1349252972466.6199 }, "end": { "local": "2012-10-04T12:00:35+01:00", "utc": "2012-10-04T11:00:35Z", "ms": 1349348435226.1904 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-03T09:29:32+01:00", "utc": "2012-10-03T08:29:32Z", "ms": 1349252972466.6199 }, "end": { "local": "2012-10-04T12:00:35+01:00", "utc": "2012-10-04T11:00:35Z", "ms": 1349348435226.1904 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-10-03", "window": { "start": { "local": "2012-10-03T20:47:31+01:00", "utc": "2012-10-03T19:47:31Z", "ms": 1349293651030.8503 }, "end": { "local": "2012-10-03T20:47:31+01:00", "utc": "2012-10-03T19:47:31Z", "ms": 1349293651030.8503 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-10-04", "window": { "start": { "local": "2012-10-04T21:36:10+01:00", "utc": "2012-10-04T20:36:10Z", "ms": 1349382970431.012 }, "end": { "local": "2012-10-04T21:36:10+01:00", "utc": "2012-10-04T20:36:10Z", "ms": 1349382970431.012 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:30 on Wed 3 Oct to 12:01 on Thu 4 Oct.", "fact": "2012-10-03T08:29:32Z → 2012-10-04T11:00:35Z" }, { "step": "kaala", "text": "Moonrise is at 20:48 on the 3rd and 21:36 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34535 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2012: Wednesday 3 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-03", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2012 falls on Wednesday 3 October. Caturthī runs from 09:30 on Wed 3 Oct to 12:01 on Thu 4 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/sankashta-chaturthi?on=2012-10-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21326, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2012-10-05T14:41:01+01:00", "utc": "2012-10-05T13:41:01Z", "ms": 1349444461219.2046 }, "end": { "local": "2012-10-06T17:17:31+01:00", "utc": "2012-10-06T16:17:31Z", "ms": 1349540251206.883 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-05T14:41:01+01:00", "utc": "2012-10-05T13:41:01Z", "ms": 1349444461219.2046 }, "end": { "local": "2012-10-06T17:17:31+01:00", "utc": "2012-10-06T16:17:31Z", "ms": 1349540251206.883 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-10-05", "window": { "start": { "local": "2012-10-05T22:24:47+01:00", "utc": "2012-10-05T21:24:47Z", "ms": 1349472286525.6772 }, "end": { "local": "2012-10-05T22:24:47+01:00", "utc": "2012-10-05T21:24:47Z", "ms": 1349472286525.6772 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-10-06", "window": { "start": { "local": "2012-10-06T23:12:57+01:00", "utc": "2012-10-06T22:12:57Z", "ms": 1349561576739.4624 }, "end": { "local": "2012-10-06T23:12:57+01:00", "utc": "2012-10-06T22:12:57Z", "ms": 1349561576739.4624 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:41 on Fri 5 Oct to 17:18 on Sat 6 Oct.", "fact": "2012-10-05T13:41:01Z → 2012-10-06T16:17:31Z" }, { "step": "kaala", "text": "Moonrise is at 22:25 on the 5th and 23:13 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21326 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Luanda, 2012: Friday 5 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-05", "confidence": "determinate" } ], "quote": "In Luanda, Candra Ṣaṣṭhī 2012 falls on Friday 5 October. Ṣaṣṭhī runs from 14:41 on Fri 5 Oct to 17:18 on Sat 6 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12323, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2012-10-07T19:35:32+01:00", "utc": "2012-10-07T18:35:32Z", "ms": 1349634932063.3293 }, "end": { "local": "2012-10-08T21:21:30+01:00", "utc": "2012-10-08T20:21:30Z", "ms": 1349727690213.9392 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-07T19:35:32+01:00", "utc": "2012-10-07T18:35:32Z", "ms": 1349634932063.3293 }, "end": { "local": "2012-10-08T21:21:30+01:00", "utc": "2012-10-08T20:21:30Z", "ms": 1349727690213.9392 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-10-07", "window": { "start": { "local": "2012-10-08T00:00:22+01:00", "utc": "2012-10-07T23:00:22Z", "ms": 1349650822065.871 }, "end": { "local": "2012-10-08T00:00:22+01:00", "utc": "2012-10-07T23:00:22Z", "ms": 1349650822065.871 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-10-08", "window": { "start": { "local": "2012-10-09T00:46:54+01:00", "utc": "2012-10-08T23:46:54Z", "ms": 1349740013569.6384 }, "end": { "local": "2012-10-09T00:46:54+01:00", "utc": "2012-10-08T23:46:54Z", "ms": 1349740013569.6384 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:36 on Sun 7 Oct to 21:22 on Mon 8 Oct.", "fact": "2012-10-07T18:35:32Z → 2012-10-08T20:21:30Z" }, { "step": "kaala", "text": "Moonrise is at 00:00 on the 7th and 00:47 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12323 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Luanda, 2012: Sunday 7 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": "2012-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-07", "confidence": "determinate" } ], "quote": "In Luanda, Mahālakṣmī Vrata Samāpana 2012 falls on Sunday 7 October. Aṣṭamī runs from 19:36 on Sun 7 Oct to 21:22 on Mon 8 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-08", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 8, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2012-10-07T19:35:32+01:00", "utc": "2012-10-07T18:35:32Z", "ms": 1349634932063.3293 }, "end": { "local": "2012-10-08T21:21:30+01:00", "utc": "2012-10-08T20:21:30Z", "ms": 1349727690213.9392 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-07T19:35:32+01:00", "utc": "2012-10-07T18:35:32Z", "ms": 1349634932063.3293 }, "end": { "local": "2012-10-08T21:21:30+01:00", "utc": "2012-10-08T20:21:30Z", "ms": 1349727690213.9392 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-10-07", "window": { "start": { "local": "2012-10-07T18:01:31+01:00", "utc": "2012-10-07T17:01:31Z", "ms": 1349629290916.8145 }, "end": { "local": "2012-10-07T19:35:40+01:00", "utc": "2012-10-07T18:35:40Z", "ms": 1349634939678.4597 } }, "covered_min": 0, "window_min": 94, "qualifies": true }, { "local_date": "2012-10-08", "window": { "start": { "local": "2012-10-08T18:01:29+01:00", "utc": "2012-10-08T17:01:29Z", "ms": 1349715688711.8936 }, "end": { "local": "2012-10-08T19:35:34+01:00", "utc": "2012-10-08T18:35:34Z", "ms": 1349721333636.9219 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:36 on Sun 7 Oct to 21:22 on Mon 8 Oct.", "fact": "2012-10-07T18:35:32Z → 2012-10-08T20:21:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:36 on the 7th, 18:01–19:36 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 94 minutes on the 7th and 94 of 94 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 8 s < 300 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Luanda, 2012: Monday 8 October.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-10-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-08", "confidence": "boundary" } ], "quote": "In Luanda, Jitāṣṭamī (Jitiya) 2012 falls on Monday 8 October. Aṣṭamī runs from 19:36 on Sun 7 Oct to 21:22 on Mon 8 Oct and covers all of pradoṣa that evening. It also reaches the previous evening for 0 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 08 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-10-11", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25577, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-10-10T22:39:48+01:00", "utc": "2012-10-10T21:39:48Z", "ms": 1349905188312.8433 }, "end": { "local": "2012-10-11T22:04:43+01:00", "utc": "2012-10-11T21:04:43Z", "ms": 1349989482805.714 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-10T22:39:48+01:00", "utc": "2012-10-10T21:39:48Z", "ms": 1349905188312.8433 }, "end": { "local": "2012-10-11T22:04:43+01:00", "utc": "2012-10-11T21:04:43Z", "ms": 1349989482805.714 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-10-11", "window": { "start": { "local": "2012-10-11T05:46:05+01:00", "utc": "2012-10-11T04:46:05Z", "ms": 1349930765195.05 }, "end": { "local": "2012-10-11T05:46:05+01:00", "utc": "2012-10-11T04:46:05Z", "ms": 1349930765195.05 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-10-12", "window": { "start": { "local": "2012-10-12T05:45:36+01:00", "utc": "2012-10-12T04:45:36Z", "ms": 1350017135762.92 }, "end": { "local": "2012-10-12T05:45:36+01:00", "utc": "2012-10-12T04:45:36Z", "ms": 1350017135762.92 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:40 on Wed 10 Oct to 22:05 on Thu 11 Oct.", "fact": "2012-10-10T21:39:48Z → 2012-10-11T21:04:43Z" }, { "step": "kaala", "text": "Sunrise is at 05:46 on the 11th and 05:46 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 25577 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Luanda, 2012: Thursday 11 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": "2012-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-11", "confidence": "determinate" } ], "quote": "In Luanda, Indirā Ekādaśī 2012 falls on Thursday 11 October. Ekādaśī runs from 22:40 on Wed 10 Oct to 22:05 on Thu 11 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-10-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-10-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2264, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-10-12T20:42:30+01:00", "utc": "2012-10-12T19:42:30Z", "ms": 1350070949672.754 }, "end": { "local": "2012-10-13T18:39:09+01:00", "utc": "2012-10-13T17:39:09Z", "ms": 1350149948625.7654 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-12T20:42:30+01:00", "utc": "2012-10-12T19:42:30Z", "ms": 1350070949672.754 }, "end": { "local": "2012-10-13T18:39:09+01:00", "utc": "2012-10-13T17:39:09Z", "ms": 1350149948625.7654 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-10-12", "window": { "start": { "local": "2012-10-12T18:01:24+01:00", "utc": "2012-10-12T17:01:24Z", "ms": 1350061284461.012 }, "end": { "local": "2012-10-12T19:35:14+01:00", "utc": "2012-10-12T18:35:14Z", "ms": 1350066914117.9272 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2012-10-13", "window": { "start": { "local": "2012-10-13T18:01:25+01:00", "utc": "2012-10-13T17:01:25Z", "ms": 1350147684613.6465 }, "end": { "local": "2012-10-13T19:35:10+01:00", "utc": "2012-10-13T18:35:10Z", "ms": 1350153310476.9917 } }, "covered_min": 38, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:42 on Fri 12 Oct to 18:39 on Sat 13 Oct.", "fact": "2012-10-12T19:42:30Z → 2012-10-13T17:39:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:35 on the 12th, 18:01–19:35 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 12th and 38 of 94 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2264 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2012: Saturday 13 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": "2012-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-13", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2012 falls on Saturday 13 October. Trayodaśī runs from 20:42 on Fri 12 Oct to 18:39 on Sat 13 Oct and covers 38 of 94 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/shivaratri?on=2012-10-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17393, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-10-13T18:39:09+01:00", "utc": "2012-10-13T17:39:09Z", "ms": 1350149948625.7654 }, "end": { "local": "2012-10-14T16:02:45+01:00", "utc": "2012-10-14T15:02:45Z", "ms": 1350226964614.4695 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-13T18:39:09+01:00", "utc": "2012-10-13T17:39:09Z", "ms": 1350149948625.7654 }, "end": { "local": "2012-10-14T16:02:45+01:00", "utc": "2012-10-14T15:02:45Z", "ms": 1350226964614.4695 } }, "kaala": "nishita", "days": [ { "local_date": "2012-10-13", "window": { "start": { "local": "2012-10-13T23:29:02+01:00", "utc": "2012-10-13T22:29:02Z", "ms": 1350167341601.1914 }, "end": { "local": "2012-10-14T00:17:02+01:00", "utc": "2012-10-13T23:17:02Z", "ms": 1350170221601.1914 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-10-14", "window": { "start": { "local": "2012-10-14T23:28:48+01:00", "utc": "2012-10-14T22:28:48Z", "ms": 1350253728080.233 }, "end": { "local": "2012-10-15T00:16:48+01:00", "utc": "2012-10-14T23:16:48Z", "ms": 1350256608080.233 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:39 on Sat 13 Oct to 16:03 on Sun 14 Oct.", "fact": "2012-10-13T17:39:09Z → 2012-10-14T15:02:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:29–00:17 on the 13th, 23:29–00:17 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17393 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2012: Saturday 13 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": "2012-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-13", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri (Masik Shivaratri) 2012 falls on Saturday 13 October. Caturdaśī runs from 18:39 on Sat 13 Oct to 16:03 on Sun 14 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/shivaratri?on=2012-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-14", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 242, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2012-10-14T16:02:45+01:00", "utc": "2012-10-14T15:02:45Z", "ms": 1350226964614.4695 }, "end": { "local": "2012-10-15T13:02:31+01:00", "utc": "2012-10-15T12:02:31Z", "ms": 1350302550539.7183 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-14T16:02:45+01:00", "utc": "2012-10-14T15:02:45Z", "ms": 1350226964614.4695 }, "end": { "local": "2012-10-15T13:02:31+01:00", "utc": "2012-10-15T12:02:31Z", "ms": 1350302550539.7183 } }, "kaala": "aparahna", "days": [ { "local_date": "2012-10-14", "window": { "start": { "local": "2012-10-14T13:06:43+01:00", "utc": "2012-10-14T12:06:43Z", "ms": 1350216402601.9124 }, "end": { "local": "2012-10-14T15:34:04+01:00", "utc": "2012-10-14T14:34:04Z", "ms": 1350225243939.6377 } }, "covered_min": 0, "window_min": 147, "qualifies": false }, { "local_date": "2012-10-15", "window": { "start": { "local": "2012-10-15T13:06:32+01:00", "utc": "2012-10-15T12:06:32Z", "ms": 1350302792230.624 }, "end": { "local": "2012-10-15T15:33:59+01:00", "utc": "2012-10-15T14:33:59Z", "ms": 1350311639346.4644 } }, "covered_min": 0, "window_min": 147, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 16:03 on Sun 14 Oct to 13:03 on Mon 15 Oct.", "fact": "2012-10-14T15:02:45Z → 2012-10-15T12:02:31Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:07–15:34 on the 14th, 13:07–15:34 on the 15th.", "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 147 minutes on the 14th and 0 of 147 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither afternoon qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 242 s < 300 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Luanda, 2012: Sunday 14 October.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "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": "2012-10-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-14", "confidence": "boundary" } ], "quote": "In Luanda, Mahālaya Amāvāsyā (Mahalaya) 2012 falls on Sunday 14 October. Amāvasyā runs from 16:03 on Sun 14 Oct to 13:03 on Mon 15 Oct, and reaches aparāhṇa on neither day. It is 4 min 02 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2742, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2012-10-15T13:02:31+01:00", "utc": "2012-10-15T12:02:31Z", "ms": 1350302550539.7183 }, "end": { "local": "2012-10-16T09:48:03+01:00", "utc": "2012-10-16T08:48:03Z", "ms": 1350377282622.1052 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-15T13:02:31+01:00", "utc": "2012-10-15T12:02:31Z", "ms": 1350302550539.7183 }, "end": { "local": "2012-10-16T09:48:03+01:00", "utc": "2012-10-16T08:48:03Z", "ms": 1350377282622.1052 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-10-15", "window": { "start": { "local": "2012-10-15T11:28:49+01:00", "utc": "2012-10-15T10:28:49Z", "ms": 1350296928672.7036 }, "end": { "local": "2012-10-15T12:16:49+01:00", "utc": "2012-10-15T11:16:49Z", "ms": 1350299808672.7036 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-10-16", "window": { "start": { "local": "2012-10-16T11:28:36+01:00", "utc": "2012-10-16T10:28:36Z", "ms": 1350383315982.5005 }, "end": { "local": "2012-10-16T12:16:36+01:00", "utc": "2012-10-16T11:16:36Z", "ms": 1350386195982.5005 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:03 on Mon 15 Oct to 09:48 on Tue 16 Oct.", "fact": "2012-10-15T12:02:31Z → 2012-10-16T08:48:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 15th, 11:29–12:17 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 2742 s" }, { "step": "ruling", "text": "Navarātrārambha, Luanda, 2012: Tuesday 16 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": "2012-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-15", "confidence": "boundary" } ], "quote": "In Luanda, Navarātrārambha (Navratri) 2012 falls on Tuesday 16 October. Pratipadā runs from 13:03 on Mon 15 Oct to 09:48 on Tue 16 Oct, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/vinayaka-chaturthi?on=2012-10-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29674, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-10-18T03:13:38+01:00", "utc": "2012-10-18T02:13:38Z", "ms": 1350526418139.0847 }, "end": { "local": "2012-10-19T00:10:35+01:00", "utc": "2012-10-18T23:10:35Z", "ms": 1350601834744.3293 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-18T03:13:38+01:00", "utc": "2012-10-18T02:13:38Z", "ms": 1350526418139.0847 }, "end": { "local": "2012-10-19T00:10:35+01:00", "utc": "2012-10-18T23:10:35Z", "ms": 1350601834744.3293 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-10-18", "window": { "start": { "local": "2012-10-18T11:28:12+01:00", "utc": "2012-10-18T10:28:12Z", "ms": 1350556092360.4321 }, "end": { "local": "2012-10-18T12:16:12+01:00", "utc": "2012-10-18T11:16:12Z", "ms": 1350558972360.4321 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-10-19", "window": { "start": { "local": "2012-10-19T11:28:01+01:00", "utc": "2012-10-19T10:28:01Z", "ms": 1350642481452.5703 }, "end": { "local": "2012-10-19T12:16:01+01:00", "utc": "2012-10-19T11:16:01Z", "ms": 1350645361452.5703 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:14 on Thu 18 Oct to 00:11 on Fri 19 Oct.", "fact": "2012-10-18T02:13:38Z → 2012-10-18T23:10:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 18th, 11:28–12:16 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 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29674 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2012: Thursday 18 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": "2012-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-18", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2012 falls on Thursday 18 October. Caturthī runs from 03:14 on Thu 18 Oct to 00:11 on Fri 19 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/vinayaka-chaturthi?on=2012-10-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38083, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2012-10-20T19:06:55+01:00", "utc": "2012-10-20T18:06:55Z", "ms": 1350756415135.643 }, "end": { "local": "2012-10-21T17:15:55+01:00", "utc": "2012-10-21T16:15:55Z", "ms": 1350836154557.7297 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-20T19:06:55+01:00", "utc": "2012-10-20T18:06:55Z", "ms": 1350756415135.643 }, "end": { "local": "2012-10-21T17:15:55+01:00", "utc": "2012-10-21T16:15:55Z", "ms": 1350836154557.7297 } }, "kaala": "udaya-1", "days": [ { "local_date": "2012-10-21", "window": { "start": { "local": "2012-10-21T05:41:38+01:00", "utc": "2012-10-21T04:41:38Z", "ms": 1350794498014.616 }, "end": { "local": "2012-10-21T06:30:58+01:00", "utc": "2012-10-21T05:30:58Z", "ms": 1350797458480.3184 } }, "covered_min": 49, "window_min": 49, "qualifies": true }, { "local_date": "2012-10-22", "window": { "start": { "local": "2012-10-22T05:41:15+01:00", "utc": "2012-10-22T04:41:15Z", "ms": 1350880874918.0752 }, "end": { "local": "2012-10-22T06:30:37+01:00", "utc": "2012-10-22T05:30:37Z", "ms": 1350883837262.104 } }, "covered_min": 0, "window_min": 49, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:07 on Sat 20 Oct to 17:16 on Sun 21 Oct.", "fact": "2012-10-20T18:06:55Z → 2012-10-21T16:15:55Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:42–06:31 on the 21st, 05:41–06:31 on the 22nd.", "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 49 of 49 minutes on the 21st and 0 of 49 on the 22nd.", "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 38083 s" }, { "step": "ruling", "text": "Durgā Saptamī, Luanda, 2012: Sunday 21 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": "2012-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-21", "confidence": "determinate" } ], "quote": "In Luanda, Durgā Saptamī 2012 falls on Sunday 21 October. Saptamī runs from 19:07 on Sat 20 Oct to 17:16 on Sun 21 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13228, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2012-10-21T17:15:55+01:00", "utc": "2012-10-21T16:15:55Z", "ms": 1350836154557.7297 }, "end": { "local": "2012-10-22T15:56:01+01:00", "utc": "2012-10-22T14:56:01Z", "ms": 1350917760867.3005 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-21T17:15:55+01:00", "utc": "2012-10-21T16:15:55Z", "ms": 1350836154557.7297 }, "end": { "local": "2012-10-22T15:56:01+01:00", "utc": "2012-10-22T14:56:01Z", "ms": 1350917760867.3005 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-10-21", "window": { "start": { "local": "2012-10-21T11:27:42+01:00", "utc": "2012-10-21T10:27:42Z", "ms": 1350815261507.3838 }, "end": { "local": "2012-10-21T12:15:42+01:00", "utc": "2012-10-21T11:15:42Z", "ms": 1350818141507.3838 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-10-22", "window": { "start": { "local": "2012-10-22T11:27:32+01:00", "utc": "2012-10-22T10:27:32Z", "ms": 1350901652498.2905 }, "end": { "local": "2012-10-22T12:15:32+01:00", "utc": "2012-10-22T11:15:32Z", "ms": 1350904532498.2905 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:16 on Sun 21 Oct to 15:56 on Mon 22 Oct.", "fact": "2012-10-21T16:15:55Z → 2012-10-22T14:56:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 21st, 11:28–12:16 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13228 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Luanda, 2012: Monday 22 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": "2012-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-22", "confidence": "determinate" } ], "quote": "In Luanda, Mahāṣṭamī (Durga Ashtami) 2012 falls on Monday 22 October. Aṣṭamī runs from 17:16 on Sun 21 Oct to 15:56 on Mon 22 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10378, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2012-10-22T15:56:01+01:00", "utc": "2012-10-22T14:56:01Z", "ms": 1350917760867.3005 }, "end": { "local": "2012-10-23T15:08:22+01:00", "utc": "2012-10-23T14:08:22Z", "ms": 1351001302034.058 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-22T15:56:01+01:00", "utc": "2012-10-22T14:56:01Z", "ms": 1350917760867.3005 }, "end": { "local": "2012-10-23T15:08:22+01:00", "utc": "2012-10-23T14:08:22Z", "ms": 1351001302034.058 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-10-22", "window": { "start": { "local": "2012-10-22T11:27:32+01:00", "utc": "2012-10-22T10:27:32Z", "ms": 1350901652498.2905 }, "end": { "local": "2012-10-22T12:15:32+01:00", "utc": "2012-10-22T11:15:32Z", "ms": 1350904532498.2905 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-10-23", "window": { "start": { "local": "2012-10-23T11:27:24+01:00", "utc": "2012-10-23T10:27:24Z", "ms": 1350988044151.6194 }, "end": { "local": "2012-10-23T12:15:24+01:00", "utc": "2012-10-23T11:15:24Z", "ms": 1350990924151.6194 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 15:56 on Mon 22 Oct to 15:08 on Tue 23 Oct.", "fact": "2012-10-22T14:56:01Z → 2012-10-23T14:08:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 22nd, 11:27–12:15 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10378 s" }, { "step": "ruling", "text": "Mahānavamī, Luanda, 2012: Tuesday 23 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": "2012-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-23", "confidence": "determinate" } ], "quote": "In Luanda, Mahānavamī 2012 falls on Tuesday 23 October. Navamī runs from 15:56 on Mon 22 Oct to 15:08 on Tue 23 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7836, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2012-10-23T15:08:22+01:00", "utc": "2012-10-23T14:08:22Z", "ms": 1351001302034.058 }, "end": { "local": "2012-10-24T14:52:55+01:00", "utc": "2012-10-24T13:52:55Z", "ms": 1351086774776.0588 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-23T15:08:22+01:00", "utc": "2012-10-23T14:08:22Z", "ms": 1351001302034.058 }, "end": { "local": "2012-10-24T14:52:55+01:00", "utc": "2012-10-24T13:52:55Z", "ms": 1351086774776.0588 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-10-23", "window": { "start": { "local": "2012-10-23T11:27:24+01:00", "utc": "2012-10-23T10:27:24Z", "ms": 1350988044151.6194 }, "end": { "local": "2012-10-23T12:15:24+01:00", "utc": "2012-10-23T11:15:24Z", "ms": 1350990924151.6194 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-10-24", "window": { "start": { "local": "2012-10-24T11:27:16+01:00", "utc": "2012-10-24T10:27:16Z", "ms": 1351074436483.0874 }, "end": { "local": "2012-10-24T12:15:16+01:00", "utc": "2012-10-24T11:15:16Z", "ms": 1351077316483.0874 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 15:08 on Tue 23 Oct to 14:53 on Wed 24 Oct.", "fact": "2012-10-23T14:08:22Z → 2012-10-24T13:52:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 23rd, 11:27–12:15 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7836 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Luanda, 2012: Wednesday 24 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": "2012-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-24", "confidence": "determinate" } ], "quote": "In Luanda, Vijayā Daśamī (Dussehra) 2012 falls on Wednesday 24 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 15:08 on Tue 23 Oct to 14:53 on Wed 24 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-10-25", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33144, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-10-24T14:52:55+01:00", "utc": "2012-10-24T13:52:55Z", "ms": 1351086774776.0588 }, "end": { "local": "2012-10-25T15:08:43+01:00", "utc": "2012-10-25T14:08:43Z", "ms": 1351174123451.5342 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-24T14:52:55+01:00", "utc": "2012-10-24T13:52:55Z", "ms": 1351086774776.0588 }, "end": { "local": "2012-10-25T15:08:43+01:00", "utc": "2012-10-25T14:08:43Z", "ms": 1351174123451.5342 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-10-24", "window": { "start": { "local": "2012-10-24T05:40:31+01:00", "utc": "2012-10-24T04:40:31Z", "ms": 1351053630930.9763 }, "end": { "local": "2012-10-24T05:40:31+01:00", "utc": "2012-10-24T04:40:31Z", "ms": 1351053630930.9763 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-10-25", "window": { "start": { "local": "2012-10-25T05:40:10+01:00", "utc": "2012-10-25T04:40:10Z", "ms": 1351140010080.1917 }, "end": { "local": "2012-10-25T05:40:10+01:00", "utc": "2012-10-25T04:40:10Z", "ms": 1351140010080.1917 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:53 on Wed 24 Oct to 15:09 on Thu 25 Oct.", "fact": "2012-10-24T13:52:55Z → 2012-10-25T14:08:43Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 24th and 05:40 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 33144 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Luanda, 2012: Thursday 25 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": "2012-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-25", "confidence": "determinate" } ], "quote": "In Luanda, Pāśāṅkuśā Ekādaśī 2012 falls on Thursday 25 October. Ekādaśī runs from 14:53 on Wed 24 Oct to 15:09 on Thu 25 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-10-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-10-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3274, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-10-26T15:54:19+01:00", "utc": "2012-10-26T14:54:19Z", "ms": 1351263258894.52 }, "end": { "local": "2012-10-27T17:07:51+01:00", "utc": "2012-10-27T16:07:51Z", "ms": 1351354070794.2683 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2012-10-26T15:54:19+01:00", "utc": "2012-10-26T14:54:19Z", "ms": 1351263258894.52 }, "end": { "local": "2012-10-27T17:07:51+01:00", "utc": "2012-10-27T16:07:51Z", "ms": 1351354070794.2683 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-10-26", "window": { "start": { "local": "2012-10-26T18:02:16+01:00", "utc": "2012-10-26T17:02:16Z", "ms": 1351270936470.5598 }, "end": { "local": "2012-10-26T19:35:14+01:00", "utc": "2012-10-26T18:35:14Z", "ms": 1351276514376.5027 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2012-10-27", "window": { "start": { "local": "2012-10-27T18:02:25+01:00", "utc": "2012-10-27T17:02:25Z", "ms": 1351357344646.999 }, "end": { "local": "2012-10-27T19:35:19+01:00", "utc": "2012-10-27T18:35:19Z", "ms": 1351362919006.2183 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:54 on Fri 26 Oct to 17:08 on Sat 27 Oct.", "fact": "2012-10-26T14:54:19Z → 2012-10-27T16:07:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:35 on the 26th, 18:02–19:35 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 93 of 93 minutes on the 26th and 0 of 93 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 3274 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2012: Friday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-10-26", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2012 falls on Friday 26 October. Trayodaśī runs from 15:54 on Fri 26 Oct to 17:08 on Sat 27 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-10-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29369, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-11-02T04:29:08+01:00", "utc": "2012-11-02T03:29:08Z", "ms": 1351826947863.3916 }, "end": { "local": "2012-11-03T07:09:20+01:00", "utc": "2012-11-03T06:09:20Z", "ms": 1351922960182.9758 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-02T04:29:08+01:00", "utc": "2012-11-02T03:29:08Z", "ms": 1351826947863.3916 }, "end": { "local": "2012-11-03T07:09:20+01:00", "utc": "2012-11-03T06:09:20Z", "ms": 1351922960182.9758 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-11-01", "window": { "start": { "local": "2012-11-01T20:19:38+01:00", "utc": "2012-11-01T19:19:38Z", "ms": 1351797578474.7827 }, "end": { "local": "2012-11-01T20:19:38+01:00", "utc": "2012-11-01T19:19:38Z", "ms": 1351797578474.7827 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-11-02", "window": { "start": { "local": "2012-11-02T21:07:53+01:00", "utc": "2012-11-02T20:07:53Z", "ms": 1351886872782.3696 }, "end": { "local": "2012-11-02T21:07:53+01:00", "utc": "2012-11-02T20:07:53Z", "ms": 1351886872782.3696 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:29 on Fri 2 Nov to 07:09 on Sat 3 Nov.", "fact": "2012-11-02T03:29:08Z → 2012-11-03T06:09:20Z" }, { "step": "kaala", "text": "Moonrise is at 20:20 on the 1st and 21:08 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29369 s" }, { "step": "ruling", "text": "Karaka Caturthī, Luanda, 2012: Friday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-02", "confidence": "determinate" } ], "quote": "In Luanda, Karaka Caturthī (Karwa Chauth) 2012 falls on Friday 2 November. Caturthī runs from 04:29 on Fri 2 Nov to 07:09 on Sat 3 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/sankashta-chaturthi?on=2012-11-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29369, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-11-02T04:29:08+01:00", "utc": "2012-11-02T03:29:08Z", "ms": 1351826947863.3916 }, "end": { "local": "2012-11-03T07:09:20+01:00", "utc": "2012-11-03T06:09:20Z", "ms": 1351922960182.9758 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-02T04:29:08+01:00", "utc": "2012-11-02T03:29:08Z", "ms": 1351826947863.3916 }, "end": { "local": "2012-11-03T07:09:20+01:00", "utc": "2012-11-03T06:09:20Z", "ms": 1351922960182.9758 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-11-01", "window": { "start": { "local": "2012-11-01T20:19:38+01:00", "utc": "2012-11-01T19:19:38Z", "ms": 1351797578474.7827 }, "end": { "local": "2012-11-01T20:19:38+01:00", "utc": "2012-11-01T19:19:38Z", "ms": 1351797578474.7827 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-11-02", "window": { "start": { "local": "2012-11-02T21:07:53+01:00", "utc": "2012-11-02T20:07:53Z", "ms": 1351886872782.3696 }, "end": { "local": "2012-11-02T21:07:53+01:00", "utc": "2012-11-02T20:07:53Z", "ms": 1351886872782.3696 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:29 on Fri 2 Nov to 07:09 on Sat 3 Nov.", "fact": "2012-11-02T03:29:08Z → 2012-11-03T06:09:20Z" }, { "step": "kaala", "text": "Moonrise is at 20:20 on the 1st and 21:08 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 1st and is 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 29369 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2012: Friday 2 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": "2012-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-02", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2012 falls on Friday 2 November. Caturthī runs from 04:29 on Fri 2 Nov to 07:09 on Sat 3 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/sankashta-chaturthi?on=2012-11-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39720, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2012-11-06T13:07:23+01:00", "utc": "2012-11-06T12:07:23Z", "ms": 1352203643111.733 }, "end": { "local": "2012-11-07T13:52:24+01:00", "utc": "2012-11-07T12:52:24Z", "ms": 1352292743562.7688 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-06T13:07:23+01:00", "utc": "2012-11-06T12:07:23Z", "ms": 1352203643111.733 }, "end": { "local": "2012-11-07T13:52:24+01:00", "utc": "2012-11-07T12:52:24Z", "ms": 1352292743562.7688 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-11-06", "window": { "start": { "local": "2012-11-07T00:10:36+01:00", "utc": "2012-11-06T23:10:36Z", "ms": 1352243435897.5452 }, "end": { "local": "2012-11-07T00:10:36+01:00", "utc": "2012-11-06T23:10:36Z", "ms": 1352243435897.5452 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-11-07", "window": { "start": { "local": "2012-11-08T00:54:23+01:00", "utc": "2012-11-07T23:54:23Z", "ms": 1352332463381.5447 }, "end": { "local": "2012-11-08T00:54:23+01:00", "utc": "2012-11-07T23:54:23Z", "ms": 1352332463381.5447 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 13:07 on Tue 6 Nov to 13:52 on Wed 7 Nov.", "fact": "2012-11-06T12:07:23Z → 2012-11-07T12:52:24Z" }, { "step": "kaala", "text": "Moonrise is at 00:11 on the 6th and 00:54 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39720 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Luanda, 2012: Tuesday 6 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-06", "confidence": "determinate" } ], "quote": "In Luanda, Ahoyī Aṣṭamī (Ahoi Ashtami) 2012 falls on Tuesday 6 November. Aṣṭamī runs from 13:07 on Tue 6 Nov to 13:52 on Wed 7 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-11-10", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20520, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-11-09T12:57:26+01:00", "utc": "2012-11-09T11:57:26Z", "ms": 1352462246081.332 }, "end": { "local": "2012-11-10T11:18:37+01:00", "utc": "2012-11-10T10:18:37Z", "ms": 1352542716567.362 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-09T12:57:26+01:00", "utc": "2012-11-09T11:57:26Z", "ms": 1352462246081.332 }, "end": { "local": "2012-11-10T11:18:37+01:00", "utc": "2012-11-10T10:18:37Z", "ms": 1352542716567.362 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-11-09", "window": { "start": { "local": "2012-11-09T05:36:42+01:00", "utc": "2012-11-09T04:36:42Z", "ms": 1352435802497.1067 }, "end": { "local": "2012-11-09T05:36:42+01:00", "utc": "2012-11-09T04:36:42Z", "ms": 1352435802497.1067 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-11-10", "window": { "start": { "local": "2012-11-10T05:36:36+01:00", "utc": "2012-11-10T04:36:36Z", "ms": 1352522196400.1465 }, "end": { "local": "2012-11-10T05:36:36+01:00", "utc": "2012-11-10T04:36:36Z", "ms": 1352522196400.1465 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:57 on Fri 9 Nov to 11:19 on Sat 10 Nov.", "fact": "2012-11-09T11:57:26Z → 2012-11-10T10:18:37Z" }, { "step": "kaala", "text": "Sunrise is at 05:37 on the 9th and 05:37 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20520 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Luanda, 2012: Saturday 10 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": "2012-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-10", "confidence": "determinate" } ], "quote": "In Luanda, Ramā Ekādaśī 2012 falls on Saturday 10 November. Ekādaśī runs from 12:57 on Fri 9 Nov to 11:19 on Sat 10 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-11-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24415, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2012-11-10T11:18:37+01:00", "utc": "2012-11-10T10:18:37Z", "ms": 1352542716567.362 }, "end": { "local": "2012-11-11T08:58:14+01:00", "utc": "2012-11-11T07:58:14Z", "ms": 1352620693887.1426 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-10T11:18:37+01:00", "utc": "2012-11-10T10:18:37Z", "ms": 1352542716567.362 }, "end": { "local": "2012-11-11T08:58:14+01:00", "utc": "2012-11-11T07:58:14Z", "ms": 1352620693887.1426 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-11-10", "window": { "start": { "local": "2012-11-10T18:05:31+01:00", "utc": "2012-11-10T17:05:31Z", "ms": 1352567131233.4622 }, "end": { "local": "2012-11-10T19:37:39+01:00", "utc": "2012-11-10T18:37:39Z", "ms": 1352572659247.0642 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2012-11-11", "window": { "start": { "local": "2012-11-11T18:05:50+01:00", "utc": "2012-11-11T17:05:50Z", "ms": 1352653549845.8813 }, "end": { "local": "2012-11-11T19:37:55+01:00", "utc": "2012-11-11T18:37:55Z", "ms": 1352659074840.7302 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:19 on Sat 10 Nov to 08:58 on Sun 11 Nov.", "fact": "2012-11-10T10:18:37Z → 2012-11-11T07:58:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:38 on the 10th, 18:06–19:38 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 10th and 0 of 92 on the 11th.", "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 24415 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Luanda, 2012: Saturday 10 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": "2012-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-10", "confidence": "determinate" } ], "quote": "In Luanda, Govatsa Dvādaśī (Vasu Baras) 2012 falls on Saturday 10 November. Dvādaśī runs from 11:19 on Sat 10 Nov to 08:58 on Sun 11 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32856, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-11-11T08:58:14+01:00", "utc": "2012-11-11T07:58:14Z", "ms": 1352620693887.1426 }, "end": { "local": "2012-11-12T06:03:41+01:00", "utc": "2012-11-12T05:03:41Z", "ms": 1352696620593.1013 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-11T08:58:14+01:00", "utc": "2012-11-11T07:58:14Z", "ms": 1352620693887.1426 }, "end": { "local": "2012-11-12T06:03:41+01:00", "utc": "2012-11-12T05:03:41Z", "ms": 1352696620593.1013 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-11-11", "window": { "start": { "local": "2012-11-11T18:05:50+01:00", "utc": "2012-11-11T17:05:50Z", "ms": 1352653549845.8813 }, "end": { "local": "2012-11-11T19:37:55+01:00", "utc": "2012-11-11T18:37:55Z", "ms": 1352659074840.7302 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2012-11-12", "window": { "start": { "local": "2012-11-12T18:06:09+01:00", "utc": "2012-11-12T17:06:09Z", "ms": 1352739969146.1157 }, "end": { "local": "2012-11-12T19:38:11+01:00", "utc": "2012-11-12T18:38:11Z", "ms": 1352745491168.9402 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:58 on Sun 11 Nov to 06:04 on Mon 12 Nov.", "fact": "2012-11-11T07:58:14Z → 2012-11-12T05:03:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:38 on the 11th, 18:06–19:38 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 11th and 0 of 92 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32856 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Luanda, 2012: Sunday 11 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": "2012-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-11", "confidence": "determinate" } ], "quote": "In Luanda, Yama Dīpadāna 2012 falls on Sunday 11 November. Trayodaśī runs from 08:58 on Sun 11 Nov to 06:04 on Mon 12 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/pradosha-vrata?on=2012-11-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32856, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-11-11T08:58:14+01:00", "utc": "2012-11-11T07:58:14Z", "ms": 1352620693887.1426 }, "end": { "local": "2012-11-12T06:03:41+01:00", "utc": "2012-11-12T05:03:41Z", "ms": 1352696620593.1013 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-11T08:58:14+01:00", "utc": "2012-11-11T07:58:14Z", "ms": 1352620693887.1426 }, "end": { "local": "2012-11-12T06:03:41+01:00", "utc": "2012-11-12T05:03:41Z", "ms": 1352696620593.1013 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-11-11", "window": { "start": { "local": "2012-11-11T18:05:50+01:00", "utc": "2012-11-11T17:05:50Z", "ms": 1352653549845.8813 }, "end": { "local": "2012-11-11T19:37:55+01:00", "utc": "2012-11-11T18:37:55Z", "ms": 1352659074840.7302 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2012-11-12", "window": { "start": { "local": "2012-11-12T18:06:09+01:00", "utc": "2012-11-12T17:06:09Z", "ms": 1352739969146.1157 }, "end": { "local": "2012-11-12T19:38:11+01:00", "utc": "2012-11-12T18:38:11Z", "ms": 1352745491168.9402 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:58 on Sun 11 Nov to 06:04 on Mon 12 Nov.", "fact": "2012-11-11T07:58:14Z → 2012-11-12T05:03:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:38 on the 11th, 18:06–19:38 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 11th and 0 of 92 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32856 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2012: Sunday 11 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": "2012-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-11", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2012 falls on Sunday 11 November. Trayodaśī runs from 08:58 on Sun 11 Nov to 06:04 on Mon 12 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-11-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-12", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1633, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-11-12T06:03:41+01:00", "utc": "2012-11-12T05:03:41Z", "ms": 1352696620593.1013 }, "end": { "local": "2012-11-13T02:43:44+01:00", "utc": "2012-11-13T01:43:44Z", "ms": 1352771023901.5295 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-12T06:03:41+01:00", "utc": "2012-11-12T05:03:41Z", "ms": 1352696620593.1013 }, "end": { "local": "2012-11-13T02:43:44+01:00", "utc": "2012-11-13T01:43:44Z", "ms": 1352771023901.5295 } }, "kaala": "arunodaya", "days": [ { "local_date": "2012-11-12", "window": { "start": { "local": "2012-11-12T04:04:22+01:00", "utc": "2012-11-12T03:04:22Z", "ms": 1352689462312.3982 }, "end": { "local": "2012-11-12T05:36:27+01:00", "utc": "2012-11-12T04:36:27Z", "ms": 1352694987307.247 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2012-11-13", "window": { "start": { "local": "2012-11-13T04:04:22+01:00", "utc": "2012-11-13T03:04:22Z", "ms": 1352775862294.475 }, "end": { "local": "2012-11-13T05:36:24+01:00", "utc": "2012-11-13T04:36:24Z", "ms": 1352781384317.2996 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:04 on Mon 12 Nov to 02:44 on Tue 13 Nov.", "fact": "2012-11-12T05:03:41Z → 2012-11-13T01:43:44Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:04–05:36 on the 12th, 04:04–05:36 on the 13th.", "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 92 minutes on the 12th and 0 of 92 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither dawn qualifies. The day the tithi falls on is taken.", "fact": "priority: purvaviddha → tithi-day · margin 1633 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Luanda, 2012: Monday 12 November.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2012-11-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-12", "confidence": "boundary" } ], "quote": "In Luanda, Naraka Caturdaśī (Choti Diwali) 2012 falls on Monday 12 November. Caturdaśī runs from 06:04 on Mon 12 Nov to 02:44 on Tue 13 Nov, and reaches aruṇodaya on neither day.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-12", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1166, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2012-11-13T02:43:44+01:00", "utc": "2012-11-13T01:43:44Z", "ms": 1352771023901.5295 }, "end": { "local": "2012-11-13T23:08:00+01:00", "utc": "2012-11-13T22:08:00Z", "ms": 1352844479749.4019 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-13T02:43:44+01:00", "utc": "2012-11-13T01:43:44Z", "ms": 1352771023901.5295 }, "end": { "local": "2012-11-13T23:08:00+01:00", "utc": "2012-11-13T22:08:00Z", "ms": 1352844479749.4019 } }, "kaala": "nishita", "days": [ { "local_date": "2012-11-12", "window": { "start": { "local": "2012-11-12T23:27:17+01:00", "utc": "2012-11-12T22:27:17Z", "ms": 1352759236731.7075 }, "end": { "local": "2012-11-13T00:15:17+01:00", "utc": "2012-11-12T23:15:17Z", "ms": 1352762116731.7075 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-11-13", "window": { "start": { "local": "2012-11-13T23:27:26+01:00", "utc": "2012-11-13T22:27:26Z", "ms": 1352845645743.833 }, "end": { "local": "2012-11-14T00:15:26+01:00", "utc": "2012-11-13T23:15:26Z", "ms": 1352848525743.833 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 02:44 on Tue 13 Nov to 23:08 on Tue 13 Nov.", "fact": "2012-11-13T01:43:44Z → 2012-11-13T22:08:00Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 12th, 23:27–00:15 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1166 s" }, { "step": "ruling", "text": "Kālī Pūjā, Luanda, 2012: Monday 12 November.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2012-11-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-12", "confidence": "boundary" } ], "quote": "In Luanda, Kālī Pūjā 2012 falls on Monday 12 November. Amāvasyā runs from 02:44 on Tue 13 Nov to 23:08 on Tue 13 Nov, and reaches niśītha on neither day.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/shivaratri?on=2012-11-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8907, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-11-12T06:03:41+01:00", "utc": "2012-11-12T05:03:41Z", "ms": 1352696620593.1013 }, "end": { "local": "2012-11-13T02:43:44+01:00", "utc": "2012-11-13T01:43:44Z", "ms": 1352771023901.5295 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-12T06:03:41+01:00", "utc": "2012-11-12T05:03:41Z", "ms": 1352696620593.1013 }, "end": { "local": "2012-11-13T02:43:44+01:00", "utc": "2012-11-13T01:43:44Z", "ms": 1352771023901.5295 } }, "kaala": "nishita", "days": [ { "local_date": "2012-11-11", "window": { "start": { "local": "2012-11-11T23:27:09+01:00", "utc": "2012-11-11T22:27:09Z", "ms": 1352672828576.5642 }, "end": { "local": "2012-11-12T00:15:09+01:00", "utc": "2012-11-11T23:15:09Z", "ms": 1352675708576.5642 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-11-12", "window": { "start": { "local": "2012-11-12T23:27:17+01:00", "utc": "2012-11-12T22:27:17Z", "ms": 1352759236731.7075 }, "end": { "local": "2012-11-13T00:15:17+01:00", "utc": "2012-11-12T23:15:17Z", "ms": 1352762116731.7075 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:04 on Mon 12 Nov to 02:44 on Tue 13 Nov.", "fact": "2012-11-12T05:03:41Z → 2012-11-13T01:43:44Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 11th, 23:27–00:15 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8907 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2012: Monday 12 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": "2012-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-12", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri (Masik Shivaratri) 2012 falls on Monday 12 November. Caturdaśī runs from 06:04 on Mon 12 Nov to 02:44 on Tue 13 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/shivaratri?on=2012-11-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12572, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2012-11-13T02:43:44+01:00", "utc": "2012-11-13T01:43:44Z", "ms": 1352771023901.5295 }, "end": { "local": "2012-11-13T23:08:00+01:00", "utc": "2012-11-13T22:08:00Z", "ms": 1352844479749.4019 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-13T02:43:44+01:00", "utc": "2012-11-13T01:43:44Z", "ms": 1352771023901.5295 }, "end": { "local": "2012-11-13T23:08:00+01:00", "utc": "2012-11-13T22:08:00Z", "ms": 1352844479749.4019 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-11-12", "window": { "start": { "local": "2012-11-12T18:06:09+01:00", "utc": "2012-11-12T17:06:09Z", "ms": 1352739969146.1157 }, "end": { "local": "2012-11-12T19:38:11+01:00", "utc": "2012-11-12T18:38:11Z", "ms": 1352745491168.9402 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2012-11-13", "window": { "start": { "local": "2012-11-13T18:06:29+01:00", "utc": "2012-11-13T17:06:29Z", "ms": 1352826389122.343 }, "end": { "local": "2012-11-13T19:38:28+01:00", "utc": "2012-11-13T18:38:28Z", "ms": 1352831908221.407 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 02:44 on Tue 13 Nov to 23:08 on Tue 13 Nov.", "fact": "2012-11-13T01:43:44Z → 2012-11-13T22:08:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:38 on the 12th, 18:06–19:38 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 92 minutes on the 12th and 92 of 92 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12572 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Luanda, 2012: Tuesday 13 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": "2012-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-13", "confidence": "determinate" } ], "quote": "In Luanda, Lakṣmī Pūjā (Diwali) 2012 falls on Tuesday 13 November. Amāvasyā runs from 02:44 on Tue 13 Nov to 23:08 on Tue 13 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25849, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2012-11-13T23:08:00+01:00", "utc": "2012-11-13T22:08:00Z", "ms": 1352844479749.4019 }, "end": { "local": "2012-11-14T19:26:25+01:00", "utc": "2012-11-14T18:26:25Z", "ms": 1352917585373.886 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-13T23:08:00+01:00", "utc": "2012-11-13T22:08:00Z", "ms": 1352844479749.4019 }, "end": { "local": "2012-11-14T19:26:25+01:00", "utc": "2012-11-14T18:26:25Z", "ms": 1352917585373.886 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-11-13", "window": { "start": { "local": "2012-11-13T11:27:27+01:00", "utc": "2012-11-13T10:27:27Z", "ms": 1352802446719.8213 }, "end": { "local": "2012-11-13T12:15:27+01:00", "utc": "2012-11-13T11:15:27Z", "ms": 1352805326719.8213 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-11-14", "window": { "start": { "local": "2012-11-14T11:27:36+01:00", "utc": "2012-11-14T10:27:36Z", "ms": 1352888856062.975 }, "end": { "local": "2012-11-14T12:15:36+01:00", "utc": "2012-11-14T11:15:36Z", "ms": 1352891736062.975 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:08 on Tue 13 Nov to 19:26 on Wed 14 Nov.", "fact": "2012-11-13T22:08:00Z → 2012-11-14T18:26:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 13th, 11:28–12:16 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25849 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Luanda, 2012: Wednesday 14 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-14", "confidence": "determinate" } ], "quote": "In Luanda, Govardhana Pūjā 2012 falls on Wednesday 14 November. Pratipadā runs from 23:08 on Tue 13 Nov to 19:26 on Wed 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 741, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2012-11-13T23:08:00+01:00", "utc": "2012-11-13T22:08:00Z", "ms": 1352844479749.4019 }, "end": { "local": "2012-11-14T19:26:25+01:00", "utc": "2012-11-14T18:26:25Z", "ms": 1352917585373.886 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-13T23:08:00+01:00", "utc": "2012-11-13T22:08:00Z", "ms": 1352844479749.4019 }, "end": { "local": "2012-11-14T19:26:25+01:00", "utc": "2012-11-14T18:26:25Z", "ms": 1352917585373.886 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-11-13", "window": { "start": { "local": "2012-11-13T18:06:29+01:00", "utc": "2012-11-13T17:06:29Z", "ms": 1352826389122.343 }, "end": { "local": "2012-11-13T19:38:28+01:00", "utc": "2012-11-13T18:38:28Z", "ms": 1352831908221.407 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2012-11-14", "window": { "start": { "local": "2012-11-14T18:06:50+01:00", "utc": "2012-11-14T17:06:50Z", "ms": 1352912809760.627 }, "end": { "local": "2012-11-14T19:38:46+01:00", "utc": "2012-11-14T18:38:46Z", "ms": 1352918325985.7852 } }, "covered_min": 80, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:08 on Tue 13 Nov to 19:26 on Wed 14 Nov.", "fact": "2012-11-13T22:08:00Z → 2012-11-14T18:26:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:38 on the 13th, 18:07–19:39 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 92 minutes on the 13th and 80 of 92 on the 14th.", "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 741 s" }, { "step": "ruling", "text": "Bali Pūjā, Luanda, 2012: Wednesday 14 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": "2012-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-14", "confidence": "determinate" } ], "quote": "In Luanda, Bali Pūjā 2012 falls on Wednesday 14 November. Pratipadā runs from 23:08 on Tue 13 Nov to 19:26 on Wed 14 Nov and covers 80 of 92 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23303, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2012-11-13T23:08:00+01:00", "utc": "2012-11-13T22:08:00Z", "ms": 1352844479749.4019 }, "end": { "local": "2012-11-14T19:26:25+01:00", "utc": "2012-11-14T18:26:25Z", "ms": 1352917585373.886 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-13T23:08:00+01:00", "utc": "2012-11-13T22:08:00Z", "ms": 1352844479749.4019 }, "end": { "local": "2012-11-14T19:26:25+01:00", "utc": "2012-11-14T18:26:25Z", "ms": 1352917585373.886 } }, "kaala": "purvahna", "days": [ { "local_date": "2012-11-14", "window": { "start": { "local": "2012-11-14T05:36:22+01:00", "utc": "2012-11-14T04:36:22Z", "ms": 1352867782365.3232 }, "end": { "local": "2012-11-14T09:46:31+01:00", "utc": "2012-11-14T08:46:31Z", "ms": 1352882791497.091 } }, "covered_min": 250, "window_min": 250, "qualifies": true }, { "local_date": "2012-11-15", "window": { "start": { "local": "2012-11-15T05:36:21+01:00", "utc": "2012-11-15T04:36:21Z", "ms": 1352954181449.3132 }, "end": { "local": "2012-11-15T09:46:38+01:00", "utc": "2012-11-15T08:46:38Z", "ms": 1352969197981.3647 } }, "covered_min": 0, "window_min": 250, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:08 on Tue 13 Nov to 19:26 on Wed 14 Nov.", "fact": "2012-11-13T22:08:00Z → 2012-11-14T18:26:25Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:36–09:47 on the 14th, 05:36–09:47 on the 15th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 250 of 250 minutes on the 14th and 0 of 250 on the 15th.", "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 23303 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Luanda, 2012: Wednesday 14 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": "2012-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-14", "confidence": "determinate" } ], "quote": "In Luanda, Dyūta Pratipad 2012 falls on Wednesday 14 November. Pratipadā runs from 23:08 on Tue 13 Nov to 19:26 on Wed 14 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12792, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2012-11-14T19:26:25+01:00", "utc": "2012-11-14T18:26:25Z", "ms": 1352917585373.886 }, "end": { "local": "2012-11-15T15:48:58+01:00", "utc": "2012-11-15T14:48:58Z", "ms": 1352990938105.3206 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-14T19:26:25+01:00", "utc": "2012-11-14T18:26:25Z", "ms": 1352917585373.886 }, "end": { "local": "2012-11-15T15:48:58+01:00", "utc": "2012-11-15T14:48:58Z", "ms": 1352990938105.3206 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-11-14", "window": { "start": { "local": "2012-11-14T11:27:36+01:00", "utc": "2012-11-14T10:27:36Z", "ms": 1352888856062.975 }, "end": { "local": "2012-11-14T12:15:36+01:00", "utc": "2012-11-14T11:15:36Z", "ms": 1352891736062.975 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-11-15", "window": { "start": { "local": "2012-11-15T11:27:46+01:00", "utc": "2012-11-15T10:27:46Z", "ms": 1352975266247.3904 }, "end": { "local": "2012-11-15T12:15:46+01:00", "utc": "2012-11-15T11:15:46Z", "ms": 1352978146247.3904 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 19:26 on Wed 14 Nov to 15:49 on Thu 15 Nov.", "fact": "2012-11-14T18:26:25Z → 2012-11-15T14:48:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 14th, 11:28–12:16 on the 15th.", "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 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: purvaviddha → only-day · margin 12792 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Luanda, 2012: Thursday 15 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": "2012-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-15", "confidence": "determinate" } ], "quote": "In Luanda, Yama Dvitīyā (Bhai Dooj) 2012 falls on Thursday 15 November. Dvitīyā runs from 19:26 on Wed 14 Nov to 15:49 on Thu 15 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 560, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-11-16T12:25:17+01:00", "utc": "2012-11-16T11:25:17Z", "ms": 1353065116807.9417 }, "end": { "local": "2012-11-17T09:24:22+01:00", "utc": "2012-11-17T08:24:22Z", "ms": 1353140662382.2678 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-16T12:25:17+01:00", "utc": "2012-11-16T11:25:17Z", "ms": 1353065116807.9417 }, "end": { "local": "2012-11-17T09:24:22+01:00", "utc": "2012-11-17T08:24:22Z", "ms": 1353140662382.2678 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-11-16", "window": { "start": { "local": "2012-11-16T11:27:57+01:00", "utc": "2012-11-16T10:27:57Z", "ms": 1353061677263.4233 }, "end": { "local": "2012-11-16T12:15:57+01:00", "utc": "2012-11-16T11:15:57Z", "ms": 1353064557263.4233 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-11-17", "window": { "start": { "local": "2012-11-17T11:28:09+01:00", "utc": "2012-11-17T10:28:09Z", "ms": 1353148089101.0884 }, "end": { "local": "2012-11-17T12:16:09+01:00", "utc": "2012-11-17T11:16:09Z", "ms": 1353150969101.0884 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:25 on Fri 16 Nov to 09:24 on Sat 17 Nov.", "fact": "2012-11-16T11:25:17Z → 2012-11-17T08:24:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 16th, 11:28–12:16 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 560 s" }, { "step": "ruling", "text": "Nāga Caturthī, Luanda, 2012: Saturday 17 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": "2012-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-16", "confidence": "determinate" } ], "quote": "In Luanda, Nāga Caturthī 2012 falls on Saturday 17 November. Caturthī runs from 12:25 on Fri 16 Nov to 09:24 on Sat 17 Nov, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/vinayaka-chaturthi?on=2012-11-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 560, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-11-16T12:25:17+01:00", "utc": "2012-11-16T11:25:17Z", "ms": 1353065116807.9417 }, "end": { "local": "2012-11-17T09:24:22+01:00", "utc": "2012-11-17T08:24:22Z", "ms": 1353140662382.2678 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-16T12:25:17+01:00", "utc": "2012-11-16T11:25:17Z", "ms": 1353065116807.9417 }, "end": { "local": "2012-11-17T09:24:22+01:00", "utc": "2012-11-17T08:24:22Z", "ms": 1353140662382.2678 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-11-16", "window": { "start": { "local": "2012-11-16T11:27:57+01:00", "utc": "2012-11-16T10:27:57Z", "ms": 1353061677263.4233 }, "end": { "local": "2012-11-16T12:15:57+01:00", "utc": "2012-11-16T11:15:57Z", "ms": 1353064557263.4233 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-11-17", "window": { "start": { "local": "2012-11-17T11:28:09+01:00", "utc": "2012-11-17T10:28:09Z", "ms": 1353148089101.0884 }, "end": { "local": "2012-11-17T12:16:09+01:00", "utc": "2012-11-17T11:16:09Z", "ms": 1353150969101.0884 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:25 on Fri 16 Nov to 09:24 on Sat 17 Nov.", "fact": "2012-11-16T11:25:17Z → 2012-11-17T08:24:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 16th, 11:28–12:16 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 560 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2012: Saturday 17 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": "2012-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-16", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2012 falls on Saturday 17 November. Caturthī runs from 12:25 on Fri 16 Nov to 09:24 on Sat 17 Nov, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/luanda/festivals/2012/vinayaka-chaturthi?on=2012-11-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16447, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2012-11-18T06:54:15+01:00", "utc": "2012-11-18T05:54:15Z", "ms": 1353218054678.2512 }, "end": { "local": "2012-11-19T05:01:25+01:00", "utc": "2012-11-19T04:01:25Z", "ms": 1353297685057.821 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-18T06:54:15+01:00", "utc": "2012-11-18T05:54:15Z", "ms": 1353218054678.2512 }, "end": { "local": "2012-11-19T05:01:25+01:00", "utc": "2012-11-19T04:01:25Z", "ms": 1353297685057.821 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-11-18", "window": { "start": { "local": "2012-11-18T11:28:22+01:00", "utc": "2012-11-18T10:28:22Z", "ms": 1353234501750.741 }, "end": { "local": "2012-11-18T12:16:22+01:00", "utc": "2012-11-18T11:16:22Z", "ms": 1353237381750.741 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-11-19", "window": { "start": { "local": "2012-11-19T11:28:35+01:00", "utc": "2012-11-19T10:28:35Z", "ms": 1353320915203.0835 }, "end": { "local": "2012-11-19T12:16:35+01:00", "utc": "2012-11-19T11:16:35Z", "ms": 1353323795203.0835 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:54 on Sun 18 Nov to 05:01 on Mon 19 Nov.", "fact": "2012-11-18T05:54:15Z → 2012-11-19T04:01:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 18th, 11:29–12:17 on the 19th.", "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 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16447 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Luanda, 2012: Sunday 18 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": "2012-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-18", "confidence": "determinate" } ], "quote": "In Luanda, Sūrya Ṣaṣṭhī (Chhath) 2012 falls on Sunday 18 November. Ṣaṣṭhī runs from 06:54 on Sun 18 Nov to 05:01 on Mon 19 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27503, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2012-11-20T03:50:27+01:00", "utc": "2012-11-20T02:50:27Z", "ms": 1353379826703.0222 }, "end": { "local": "2012-11-21T03:23:28+01:00", "utc": "2012-11-21T02:23:28Z", "ms": 1353464608141.9995 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-20T03:50:27+01:00", "utc": "2012-11-20T02:50:27Z", "ms": 1353379826703.0222 }, "end": { "local": "2012-11-21T03:23:28+01:00", "utc": "2012-11-21T02:23:28Z", "ms": 1353464608141.9995 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-11-20", "window": { "start": { "local": "2012-11-20T11:28:49+01:00", "utc": "2012-11-20T10:28:49Z", "ms": 1353407329449.0999 }, "end": { "local": "2012-11-20T12:16:49+01:00", "utc": "2012-11-20T11:16:49Z", "ms": 1353410209449.0999 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-11-21", "window": { "start": { "local": "2012-11-21T11:29:04+01:00", "utc": "2012-11-21T10:29:04Z", "ms": 1353493744479.816 }, "end": { "local": "2012-11-21T12:17:04+01:00", "utc": "2012-11-21T11:17:04Z", "ms": 1353496624479.816 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:50 on Tue 20 Nov to 03:23 on Wed 21 Nov.", "fact": "2012-11-20T02:50:27Z → 2012-11-21T02:23:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 20th, 11:29–12:17 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27503 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Luanda, 2012: Tuesday 20 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": "2012-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-20", "confidence": "determinate" } ], "quote": "In Luanda, Gopāṣṭamī 2012 falls on Tuesday 20 November. Aṣṭamī runs from 03:50 on Tue 20 Nov to 03:23 on Wed 21 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7006, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2012-11-21T03:23:28+01:00", "utc": "2012-11-21T02:23:28Z", "ms": 1353464608141.9995 }, "end": { "local": "2012-11-22T03:39:58+01:00", "utc": "2012-11-22T02:39:58Z", "ms": 1353551998017.956 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-21T03:23:28+01:00", "utc": "2012-11-21T02:23:28Z", "ms": 1353464608141.9995 }, "end": { "local": "2012-11-22T03:39:58+01:00", "utc": "2012-11-22T02:39:58Z", "ms": 1353551998017.956 } }, "kaala": "purvahna", "days": [ { "local_date": "2012-11-21", "window": { "start": { "local": "2012-11-21T05:36:38+01:00", "utc": "2012-11-21T04:36:38Z", "ms": 1353472597536.6587 }, "end": { "local": "2012-11-21T09:47:35+01:00", "utc": "2012-11-21T08:47:35Z", "ms": 1353487655498.7634 } }, "covered_min": 251, "window_min": 251, "qualifies": true }, { "local_date": "2012-11-22", "window": { "start": { "local": "2012-11-22T05:36:44+01:00", "utc": "2012-11-22T04:36:44Z", "ms": 1353559003788.8562 }, "end": { "local": "2012-11-22T09:47:48+01:00", "utc": "2012-11-22T08:47:48Z", "ms": 1353574068120.3098 } }, "covered_min": 0, "window_min": 251, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 03:23 on Wed 21 Nov to 03:40 on Thu 22 Nov.", "fact": "2012-11-21T02:23:28Z → 2012-11-22T02:39:58Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:37–09:48 on the 21st, 05:37–09:48 on the 22nd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 251 of 251 minutes on the 21st and 0 of 251 on the 22nd.", "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 7006 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Luanda, 2012: Wednesday 21 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-21", "confidence": "determinate" } ], "quote": "In Luanda, Akṣaya Navamī (Amla Navami) 2012 falls on Wednesday 21 November. Navamī runs from 03:23 on Wed 21 Nov to 03:40 on Thu 22 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28162, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2012-11-21T03:23:28+01:00", "utc": "2012-11-21T02:23:28Z", "ms": 1353464608141.9995 }, "end": { "local": "2012-11-22T03:39:58+01:00", "utc": "2012-11-22T02:39:58Z", "ms": 1353551998017.956 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-21T03:23:28+01:00", "utc": "2012-11-21T02:23:28Z", "ms": 1353464608141.9995 }, "end": { "local": "2012-11-22T03:39:58+01:00", "utc": "2012-11-22T02:39:58Z", "ms": 1353551998017.956 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-11-21", "window": { "start": { "local": "2012-11-21T11:29:04+01:00", "utc": "2012-11-21T10:29:04Z", "ms": 1353493744479.816 }, "end": { "local": "2012-11-21T12:17:04+01:00", "utc": "2012-11-21T11:17:04Z", "ms": 1353496624479.816 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-11-22", "window": { "start": { "local": "2012-11-22T11:29:20+01:00", "utc": "2012-11-22T10:29:20Z", "ms": 1353580160286.0366 }, "end": { "local": "2012-11-22T12:17:20+01:00", "utc": "2012-11-22T11:17:20Z", "ms": 1353583040286.0366 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 03:23 on Wed 21 Nov to 03:40 on Thu 22 Nov.", "fact": "2012-11-21T02:23:28Z → 2012-11-22T02:39:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 21st, 11:29–12:17 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28162 s" }, { "step": "ruling", "text": "Durgā Navamī, Luanda, 2012: Wednesday 21 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-21", "confidence": "determinate" } ], "quote": "In Luanda, Durgā Navamī 2012 falls on Wednesday 21 November. Navamī runs from 03:23 on Wed 21 Nov to 03:40 on Thu 22 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-11-24", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1903, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-11-23T04:36:49+01:00", "utc": "2012-11-23T03:36:49Z", "ms": 1353641808816.375 }, "end": { "local": "2012-11-24T06:08:43+01:00", "utc": "2012-11-24T05:08:43Z", "ms": 1353733722675.596 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-23T04:36:49+01:00", "utc": "2012-11-23T03:36:49Z", "ms": 1353641808816.375 }, "end": { "local": "2012-11-24T06:08:43+01:00", "utc": "2012-11-24T05:08:43Z", "ms": 1353733722675.596 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-11-23", "window": { "start": { "local": "2012-11-23T05:36:51+01:00", "utc": "2012-11-23T04:36:51Z", "ms": 1353645411053.7114 }, "end": { "local": "2012-11-23T05:36:51+01:00", "utc": "2012-11-23T04:36:51Z", "ms": 1353645411053.7114 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-11-24", "window": { "start": { "local": "2012-11-24T05:36:59+01:00", "utc": "2012-11-24T04:36:59Z", "ms": 1353731819327.4126 }, "end": { "local": "2012-11-24T05:36:59+01:00", "utc": "2012-11-24T04:36:59Z", "ms": 1353731819327.4126 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:37 on Fri 23 Nov to 06:09 on Sat 24 Nov.", "fact": "2012-11-23T03:36:49Z → 2012-11-24T05:08:43Z" }, { "step": "kaala", "text": "Sunrise is at 05:37 on the 23rd and 05:37 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is on the 24th.", "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 1903 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Luanda, 2012: Saturday 24 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": "2012-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-24", "confidence": "determinate" } ], "quote": "In Luanda, Prabodhinī Ekādaśī 2012 falls on Saturday 24 November. Ekādaśī runs from 04:37 on Fri 23 Nov to 06:09 on Sat 24 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-11-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-11-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27702, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-11-25T08:08:55+01:00", "utc": "2012-11-25T07:08:55Z", "ms": 1353827334587.2937 }, "end": { "local": "2012-11-26T10:30:01+01:00", "utc": "2012-11-26T09:30:01Z", "ms": 1353922201141.1924 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-25T08:08:55+01:00", "utc": "2012-11-25T07:08:55Z", "ms": 1353827334587.2937 }, "end": { "local": "2012-11-26T10:30:01+01:00", "utc": "2012-11-26T09:30:01Z", "ms": 1353922201141.1924 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-11-25", "window": { "start": { "local": "2012-11-25T18:11:16+01:00", "utc": "2012-11-25T17:11:16Z", "ms": 1353863475911.1423 }, "end": { "local": "2012-11-25T19:42:44+01:00", "utc": "2012-11-25T18:42:44Z", "ms": 1353868964307.2783 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2012-11-26", "window": { "start": { "local": "2012-11-26T18:11:43+01:00", "utc": "2012-11-26T17:11:43Z", "ms": 1353949903244.853 }, "end": { "local": "2012-11-26T19:43:09+01:00", "utc": "2012-11-26T18:43:09Z", "ms": 1353955389499.055 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:09 on Sun 25 Nov to 10:30 on Mon 26 Nov.", "fact": "2012-11-25T07:08:55Z → 2012-11-26T09:30:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:43 on the 25th, 18:12–19:43 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 25th and 0 of 91 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27702 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2012: Sunday 25 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-25", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2012 falls on Sunday 25 November. Trayodaśī runs from 08:09 on Sun 25 Nov to 10:30 on Mon 26 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-11-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27922, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-11-27T13:04:41+01:00", "utc": "2012-11-27T12:04:41Z", "ms": 1354017880786.4238 }, "end": { "local": "2012-11-28T15:45:56+01:00", "utc": "2012-11-28T14:45:56Z", "ms": 1354113955696.7798 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-27T13:04:41+01:00", "utc": "2012-11-27T12:04:41Z", "ms": 1354017880786.4238 }, "end": { "local": "2012-11-28T15:45:56+01:00", "utc": "2012-11-28T14:45:56Z", "ms": 1354113955696.7798 } }, "kaala": "nishita", "days": [ { "local_date": "2012-11-27", "window": { "start": { "local": "2012-11-27T23:30:57+01:00", "utc": "2012-11-27T22:30:57Z", "ms": 1354055456715.9878 }, "end": { "local": "2012-11-28T00:18:57+01:00", "utc": "2012-11-27T23:18:57Z", "ms": 1354058336715.9878 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-11-28", "window": { "start": { "local": "2012-11-28T23:31:17+01:00", "utc": "2012-11-28T22:31:17Z", "ms": 1354141877436.0469 }, "end": { "local": "2012-11-29T00:19:17+01:00", "utc": "2012-11-28T23:19:17Z", "ms": 1354144757436.0469 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:05 on Tue 27 Nov to 15:46 on Wed 28 Nov.", "fact": "2012-11-27T12:04:41Z → 2012-11-28T14:45:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:31–00:19 on the 27th, 23:31–00:19 on the 28th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27922 s" }, { "step": "ruling", "text": "Rāsayātrā, Luanda, 2012: Tuesday 27 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rasayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-27", "confidence": "determinate" } ], "quote": "In Luanda, Rāsayātrā 2012 falls on Tuesday 27 November. Pūrṇimā runs from 13:05 on Tue 27 Nov to 15:46 on Wed 28 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2750, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-11-27T13:04:41+01:00", "utc": "2012-11-27T12:04:41Z", "ms": 1354017880786.4238 }, "end": { "local": "2012-11-28T15:45:56+01:00", "utc": "2012-11-28T14:45:56Z", "ms": 1354113955696.7798 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2012-11-27T13:04:41+01:00", "utc": "2012-11-27T12:04:41Z", "ms": 1354017880786.4238 }, "end": { "local": "2012-11-28T15:45:56+01:00", "utc": "2012-11-28T14:45:56Z", "ms": 1354113955696.7798 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-11-27", "window": { "start": { "local": "2012-11-27T11:30:51+01:00", "utc": "2012-11-27T10:30:51Z", "ms": 1354012250588.8853 }, "end": { "local": "2012-11-27T12:18:51+01:00", "utc": "2012-11-27T11:18:51Z", "ms": 1354015130588.8853 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-11-28", "window": { "start": { "local": "2012-11-28T11:31:11+01:00", "utc": "2012-11-28T10:31:11Z", "ms": 1354098670820.6963 }, "end": { "local": "2012-11-28T12:19:11+01:00", "utc": "2012-11-28T11:19:11Z", "ms": 1354101550820.6963 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:05 on Tue 27 Nov to 15:46 on Wed 28 Nov.", "fact": "2012-11-27T12:04:41Z → 2012-11-28T14:45:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 27th, 11:31–12:19 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2750 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Luanda, 2012: Wednesday 28 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": "2012-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-11-28", "confidence": "boundary" } ], "quote": "In Luanda, Kārtikī Pūrṇimā 2012 falls on Wednesday 28 November. Pūrṇimā runs from 13:05 on Tue 27 Nov to 15:46 on Wed 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/sankashta-chaturthi?on=2012-12-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9942, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-12-01T23:24:29+01:00", "utc": "2012-12-01T22:24:29Z", "ms": 1354400669025.517 }, "end": { "local": "2012-12-03T01:27:22+01:00", "utc": "2012-12-03T00:27:22Z", "ms": 1354494441703.7678 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-01T23:24:29+01:00", "utc": "2012-12-01T22:24:29Z", "ms": 1354400669025.517 }, "end": { "local": "2012-12-03T01:27:22+01:00", "utc": "2012-12-03T00:27:22Z", "ms": 1354494441703.7678 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-12-01", "window": { "start": { "local": "2012-12-01T20:38:47+01:00", "utc": "2012-12-01T19:38:47Z", "ms": 1354390726902.9531 }, "end": { "local": "2012-12-01T20:38:47+01:00", "utc": "2012-12-01T19:38:47Z", "ms": 1354390726902.9531 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2012-12-02", "window": { "start": { "local": "2012-12-02T21:24:00+01:00", "utc": "2012-12-02T20:24:00Z", "ms": 1354479839640.6697 }, "end": { "local": "2012-12-02T21:24:00+01:00", "utc": "2012-12-02T20:24:00Z", "ms": 1354479839640.6697 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:24 on Sat 1 Dec to 01:27 on Mon 3 Dec.", "fact": "2012-12-01T22:24:29Z → 2012-12-03T00:27:22Z" }, { "step": "kaala", "text": "Moonrise is at 20:39 on the 1st and 21:24 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 1st and is 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 9942 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2012: Sunday 2 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": "2012-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-02", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2012 falls on Sunday 2 December. Caturthī runs from 23:24 on Sat 1 Dec to 01:27 on Mon 3 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/sankashta-chaturthi?on=2012-12-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/ekadashi?on=2012-12-09", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14645, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-12-09T01:36:54+01:00", "utc": "2012-12-09T00:36:54Z", "ms": 1355013413846.2898 }, "end": { "local": "2012-12-09T23:16:13+01:00", "utc": "2012-12-09T22:16:13Z", "ms": 1355091372790.911 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-09T01:36:54+01:00", "utc": "2012-12-09T00:36:54Z", "ms": 1355013413846.2898 }, "end": { "local": "2012-12-09T23:16:13+01:00", "utc": "2012-12-09T22:16:13Z", "ms": 1355091372790.911 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-12-09", "window": { "start": { "local": "2012-12-09T05:40:59+01:00", "utc": "2012-12-09T04:40:59Z", "ms": 1355028058866.853 }, "end": { "local": "2012-12-09T05:40:59+01:00", "utc": "2012-12-09T04:40:59Z", "ms": 1355028058866.853 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-12-10", "window": { "start": { "local": "2012-12-10T05:41:22+01:00", "utc": "2012-12-10T04:41:22Z", "ms": 1355114481897.3635 }, "end": { "local": "2012-12-10T05:41:22+01:00", "utc": "2012-12-10T04:41:22Z", "ms": 1355114481897.3635 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:37 on Sun 9 Dec to 23:16 on Sun 9 Dec.", "fact": "2012-12-09T00:36:54Z → 2012-12-09T22:16:13Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 9th and 05:41 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 14645 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Luanda, 2012: Sunday 9 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": "2012-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-09", "confidence": "determinate" } ], "quote": "In Luanda, Utpannā Ekādaśī 2012 falls on Sunday 9 December. Ekādaśī runs from 01:37 on Sun 9 Dec to 23:16 on Sun 9 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-12-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/pradosha-vrata?on=2012-12-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-10", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1950, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-12-10T20:22:17+01:00", "utc": "2012-12-10T19:22:17Z", "ms": 1355167336999.1948 }, "end": { "local": "2012-12-11T17:02:32+01:00", "utc": "2012-12-11T16:02:32Z", "ms": 1355241752159.2588 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-10T20:22:17+01:00", "utc": "2012-12-10T19:22:17Z", "ms": 1355167336999.1948 }, "end": { "local": "2012-12-11T17:02:32+01:00", "utc": "2012-12-11T16:02:32Z", "ms": 1355241752159.2588 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-12-10", "window": { "start": { "local": "2012-12-10T18:18:42+01:00", "utc": "2012-12-10T17:18:42Z", "ms": 1355159922401.0588 }, "end": { "local": "2012-12-10T19:49:47+01:00", "utc": "2012-12-10T18:49:47Z", "ms": 1355165386839.524 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2012-12-11", "window": { "start": { "local": "2012-12-11T18:19:14+01:00", "utc": "2012-12-11T17:19:14Z", "ms": 1355246353854.764 }, "end": { "local": "2012-12-11T19:50:17+01:00", "utc": "2012-12-11T18:50:17Z", "ms": 1355251817369.0889 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:22 on Mon 10 Dec to 17:03 on Tue 11 Dec.", "fact": "2012-12-10T19:22:17Z → 2012-12-11T16:02:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:50 on the 10th, 18:19–19:50 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 91 minutes on the 10th and 0 of 91 on the 11th.", "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 1950 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2012: Monday 10 December.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-12-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-10", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2012 falls on Monday 10 December. Trayodaśī runs from 20:22 on Mon 10 Dec to 17:03 on Tue 11 Dec, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-12-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/shivaratri?on=2012-12-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23650, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2012-12-11T17:02:32+01:00", "utc": "2012-12-11T16:02:32Z", "ms": 1355241752159.2588 }, "end": { "local": "2012-12-12T13:25:44+01:00", "utc": "2012-12-12T12:25:44Z", "ms": 1355315144323.5833 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-11T17:02:32+01:00", "utc": "2012-12-11T16:02:32Z", "ms": 1355241752159.2588 }, "end": { "local": "2012-12-12T13:25:44+01:00", "utc": "2012-12-12T12:25:44Z", "ms": 1355315144323.5833 } }, "kaala": "nishita", "days": [ { "local_date": "2012-12-11", "window": { "start": { "local": "2012-12-11T23:36:42+01:00", "utc": "2012-12-11T22:36:42Z", "ms": 1355265402033.482 }, "end": { "local": "2012-12-12T00:24:42+01:00", "utc": "2012-12-11T23:24:42Z", "ms": 1355268282033.482 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-12-12", "window": { "start": { "local": "2012-12-12T23:37:10+01:00", "utc": "2012-12-12T22:37:10Z", "ms": 1355351830382.0835 }, "end": { "local": "2012-12-13T00:25:10+01:00", "utc": "2012-12-12T23:25:10Z", "ms": 1355354710382.0835 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:03 on Tue 11 Dec to 13:26 on Wed 12 Dec.", "fact": "2012-12-11T16:02:32Z → 2012-12-12T12:25:44Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:37–00:25 on the 11th, 23:37–00:25 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 23650 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2012: Tuesday 11 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": "2012-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-11", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri (Masik Shivaratri) 2012 falls on Tuesday 11 December. Caturdaśī runs from 17:03 on Tue 11 Dec to 13:26 on Wed 12 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2012/shivaratri?on=2012-12-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/vinayaka-chaturthi?on=2012-12-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30743, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-12-15T23:29:12+01:00", "utc": "2012-12-15T22:29:12Z", "ms": 1355610551590.3064 }, "end": { "local": "2012-12-16T20:59:16+01:00", "utc": "2012-12-16T19:59:16Z", "ms": 1355687955667.2388 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-15T23:29:12+01:00", "utc": "2012-12-15T22:29:12Z", "ms": 1355610551590.3064 }, "end": { "local": "2012-12-16T20:59:16+01:00", "utc": "2012-12-16T19:59:16Z", "ms": 1355687955667.2388 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-12-15", "window": { "start": { "local": "2012-12-15T11:38:24+01:00", "utc": "2012-12-15T10:38:24Z", "ms": 1355567903660.3774 }, "end": { "local": "2012-12-15T12:26:24+01:00", "utc": "2012-12-15T11:26:24Z", "ms": 1355570783660.3774 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-12-16", "window": { "start": { "local": "2012-12-16T11:38:53+01:00", "utc": "2012-12-16T10:38:53Z", "ms": 1355654332791.0654 }, "end": { "local": "2012-12-16T12:26:53+01:00", "utc": "2012-12-16T11:26:53Z", "ms": 1355657212791.0654 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:29 on Sat 15 Dec to 20:59 on Sun 16 Dec.", "fact": "2012-12-15T22:29:12Z → 2012-12-16T19:59:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 15th, 11:39–12:27 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 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30743 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2012: Sunday 16 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": "2012-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-16", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2012 falls on Sunday 16 December. Caturthī runs from 23:29 on Sat 15 Dec to 20:59 on Sun 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/vinayaka-chaturthi?on=2012-12-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24245, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2012-12-16T20:59:16+01:00", "utc": "2012-12-16T19:59:16Z", "ms": 1355687955667.2388 }, "end": { "local": "2012-12-17T19:11:27+01:00", "utc": "2012-12-17T18:11:27Z", "ms": 1355767887295.8767 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-16T20:59:16+01:00", "utc": "2012-12-16T19:59:16Z", "ms": 1355687955667.2388 }, "end": { "local": "2012-12-17T19:11:27+01:00", "utc": "2012-12-17T18:11:27Z", "ms": 1355767887295.8767 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-12-16", "window": { "start": { "local": "2012-12-16T11:38:53+01:00", "utc": "2012-12-16T10:38:53Z", "ms": 1355654332791.0654 }, "end": { "local": "2012-12-16T12:26:53+01:00", "utc": "2012-12-16T11:26:53Z", "ms": 1355657212791.0654 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-12-17", "window": { "start": { "local": "2012-12-17T11:39:22+01:00", "utc": "2012-12-17T10:39:22Z", "ms": 1355740762109.6445 }, "end": { "local": "2012-12-17T12:27:22+01:00", "utc": "2012-12-17T11:27:22Z", "ms": 1355743642109.6445 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:59 on Sun 16 Dec to 19:11 on Mon 17 Dec.", "fact": "2012-12-16T19:59:16Z → 2012-12-17T18:11:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 16th, 11:39–12:27 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 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24245 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Luanda, 2012: Monday 17 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": "2012-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-17", "confidence": "determinate" } ], "quote": "In Luanda, Nāga Pañcamī (Mārgaśīrṣa) 2012 falls on Monday 17 December. Pañcamī runs from 20:59 on Sun 16 Dec to 19:11 on Mon 17 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20647, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2012-12-17T19:11:27+01:00", "utc": "2012-12-17T18:11:27Z", "ms": 1355767887295.8767 }, "end": { "local": "2012-12-18T18:11:59+01:00", "utc": "2012-12-18T17:11:59Z", "ms": 1355850718804.997 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-17T19:11:27+01:00", "utc": "2012-12-17T18:11:27Z", "ms": 1355767887295.8767 }, "end": { "local": "2012-12-18T18:11:59+01:00", "utc": "2012-12-18T17:11:59Z", "ms": 1355850718804.997 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-12-17", "window": { "start": { "local": "2012-12-17T11:39:22+01:00", "utc": "2012-12-17T10:39:22Z", "ms": 1355740762109.6445 }, "end": { "local": "2012-12-17T12:27:22+01:00", "utc": "2012-12-17T11:27:22Z", "ms": 1355743642109.6445 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-12-18", "window": { "start": { "local": "2012-12-18T11:39:52+01:00", "utc": "2012-12-18T10:39:52Z", "ms": 1355827191580.0007 }, "end": { "local": "2012-12-18T12:27:52+01:00", "utc": "2012-12-18T11:27:52Z", "ms": 1355830071580.0007 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:11 on Mon 17 Dec to 18:12 on Tue 18 Dec.", "fact": "2012-12-17T18:11:27Z → 2012-12-18T17:11:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 17th, 11:40–12:28 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20647 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Luanda, 2012: Tuesday 18 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": "2012-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-18", "confidence": "determinate" } ], "quote": "In Luanda, Campā Ṣaṣṭhī 2012 falls on Tuesday 18 December. Ṣaṣṭhī runs from 19:11 on Mon 17 Dec to 18:12 on Tue 18 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20647, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2012-12-17T19:11:27+01:00", "utc": "2012-12-17T18:11:27Z", "ms": 1355767887295.8767 }, "end": { "local": "2012-12-18T18:11:59+01:00", "utc": "2012-12-18T17:11:59Z", "ms": 1355850718804.997 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-17T19:11:27+01:00", "utc": "2012-12-17T18:11:27Z", "ms": 1355767887295.8767 }, "end": { "local": "2012-12-18T18:11:59+01:00", "utc": "2012-12-18T17:11:59Z", "ms": 1355850718804.997 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-12-17", "window": { "start": { "local": "2012-12-17T11:39:22+01:00", "utc": "2012-12-17T10:39:22Z", "ms": 1355740762109.6445 }, "end": { "local": "2012-12-17T12:27:22+01:00", "utc": "2012-12-17T11:27:22Z", "ms": 1355743642109.6445 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-12-18", "window": { "start": { "local": "2012-12-18T11:39:52+01:00", "utc": "2012-12-18T10:39:52Z", "ms": 1355827191580.0007 }, "end": { "local": "2012-12-18T12:27:52+01:00", "utc": "2012-12-18T11:27:52Z", "ms": 1355830071580.0007 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:11 on Mon 17 Dec to 18:12 on Tue 18 Dec.", "fact": "2012-12-17T18:11:27Z → 2012-12-18T17:11:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 17th, 11:40–12:28 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20647 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Luanda, 2012: Tuesday 18 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": "2012-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-18", "confidence": "determinate" } ], "quote": "In Luanda, Skanda Ṣaṣṭhī 2012 falls on Tuesday 18 December. Ṣaṣṭhī runs from 19:11 on Mon 17 Dec to 18:12 on Tue 18 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20134, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2012-12-18T18:11:59+01:00", "utc": "2012-12-18T17:11:59Z", "ms": 1355850718804.997 }, "end": { "local": "2012-12-19T18:03:55+01:00", "utc": "2012-12-19T17:03:55Z", "ms": 1355936634770.3113 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-18T18:11:59+01:00", "utc": "2012-12-18T17:11:59Z", "ms": 1355850718804.997 }, "end": { "local": "2012-12-19T18:03:55+01:00", "utc": "2012-12-19T17:03:55Z", "ms": 1355936634770.3113 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-12-18", "window": { "start": { "local": "2012-12-18T11:39:52+01:00", "utc": "2012-12-18T10:39:52Z", "ms": 1355827191580.0007 }, "end": { "local": "2012-12-18T12:27:52+01:00", "utc": "2012-12-18T11:27:52Z", "ms": 1355830071580.0007 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2012-12-19", "window": { "start": { "local": "2012-12-19T11:40:21+01:00", "utc": "2012-12-19T10:40:21Z", "ms": 1355913621167.071 }, "end": { "local": "2012-12-19T12:28:21+01:00", "utc": "2012-12-19T11:28:21Z", "ms": 1355916501167.071 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:12 on Tue 18 Dec to 18:04 on Wed 19 Dec.", "fact": "2012-12-18T17:11:59Z → 2012-12-19T17:03:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 18th, 11:40–12:28 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 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: purvaviddha → only-day · margin 20134 s" }, { "step": "ruling", "text": "Mitra Saptamī, Luanda, 2012: Wednesday 19 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": "2012-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-19", "confidence": "determinate" } ], "quote": "In Luanda, Mitra Saptamī 2012 falls on Wednesday 19 December. Saptamī runs from 18:12 on Tue 18 Dec to 18:04 on Wed 19 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/ekadashi?on=2012-12-23", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17900, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2012-12-22T22:19:17+01:00", "utc": "2012-12-22T21:19:17Z", "ms": 1356211156867.0642 }, "end": { "local": "2012-12-24T00:49:29+01:00", "utc": "2012-12-23T23:49:29Z", "ms": 1356306569081.5283 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-22T22:19:17+01:00", "utc": "2012-12-22T21:19:17Z", "ms": 1356211156867.0642 }, "end": { "local": "2012-12-24T00:49:29+01:00", "utc": "2012-12-23T23:49:29Z", "ms": 1356306569081.5283 } }, "kaala": "sunrise", "days": [ { "local_date": "2012-12-23", "window": { "start": { "local": "2012-12-23T05:47:18+01:00", "utc": "2012-12-23T04:47:18Z", "ms": 1356238038209.5664 }, "end": { "local": "2012-12-23T05:47:18+01:00", "utc": "2012-12-23T04:47:18Z", "ms": 1356238038209.5664 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2012-12-24", "window": { "start": { "local": "2012-12-24T05:47:49+01:00", "utc": "2012-12-24T04:47:49Z", "ms": 1356324468797.049 }, "end": { "local": "2012-12-24T05:47:49+01:00", "utc": "2012-12-24T04:47:49Z", "ms": 1356324468797.049 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:19 on Sat 22 Dec to 00:49 on Mon 24 Dec.", "fact": "2012-12-22T21:19:17Z → 2012-12-23T23:49:29Z" }, { "step": "kaala", "text": "Sunrise is at 05:47 on the 23rd and 05:48 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17900 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Luanda, 2012: Sunday 23 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-23", "confidence": "determinate" } ], "quote": "In Luanda, Mokṣadā Ekādaśī 2012 falls on Sunday 23 December. Ekādaśī runs from 22:19 on Sat 22 Dec to 00:49 on Mon 24 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/ekadashi?on=2012-12-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29422, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2012-12-24T00:49:29+01:00", "utc": "2012-12-23T23:49:29Z", "ms": 1356306569081.5283 }, "end": { "local": "2012-12-25T03:32:57+01:00", "utc": "2012-12-25T02:32:57Z", "ms": 1356402777188.227 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-24T00:49:29+01:00", "utc": "2012-12-23T23:49:29Z", "ms": 1356306569081.5283 }, "end": { "local": "2012-12-25T03:32:57+01:00", "utc": "2012-12-25T02:32:57Z", "ms": 1356402777188.227 } }, "kaala": "madhyahna", "days": [ { "local_date": "2012-12-24", "window": { "start": { "local": "2012-12-24T11:42:50+01:00", "utc": "2012-12-24T10:42:50Z", "ms": 1356345769677.8774 }, "end": { "local": "2012-12-24T12:30:50+01:00", "utc": "2012-12-24T11:30:50Z", "ms": 1356348649677.8774 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2012-12-25", "window": { "start": { "local": "2012-12-25T11:43:19+01:00", "utc": "2012-12-25T10:43:19Z", "ms": 1356432199267.568 }, "end": { "local": "2012-12-25T12:31:19+01:00", "utc": "2012-12-25T11:31:19Z", "ms": 1356435079267.568 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:49 on Mon 24 Dec to 03:33 on Tue 25 Dec.", "fact": "2012-12-23T23:49:29Z → 2012-12-25T02:32:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 24th, 11:43–12:31 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29422 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Luanda, 2012: Monday 24 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2012-12-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-24", "confidence": "determinate" } ], "quote": "In Luanda, Akhaṇḍa Dvādaśī 2012 falls on Monday 24 December. Dvādaśī runs from 00:49 on Mon 24 Dec to 03:33 on Tue 25 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/pradosha-vrata?on=2012-12-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27367, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2012-12-25T03:32:57+01:00", "utc": "2012-12-25T02:32:57Z", "ms": 1356402777188.227 }, "end": { "local": "2012-12-26T06:18:26+01:00", "utc": "2012-12-26T05:18:26Z", "ms": 1356499106191.6135 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-25T03:32:57+01:00", "utc": "2012-12-25T02:32:57Z", "ms": 1356402777188.227 }, "end": { "local": "2012-12-26T06:18:26+01:00", "utc": "2012-12-26T05:18:26Z", "ms": 1356499106191.6135 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-12-24", "window": { "start": { "local": "2012-12-24T18:25:51+01:00", "utc": "2012-12-24T17:25:51Z", "ms": 1356369950558.706 }, "end": { "local": "2012-12-24T19:56:50+01:00", "utc": "2012-12-24T18:56:50Z", "ms": 1356375410440.605 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2012-12-25", "window": { "start": { "local": "2012-12-25T18:26:19+01:00", "utc": "2012-12-25T17:26:19Z", "ms": 1356456378862.189 }, "end": { "local": "2012-12-25T19:57:19+01:00", "utc": "2012-12-25T18:57:19Z", "ms": 1356461839121.2236 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:33 on Tue 25 Dec to 06:18 on Wed 26 Dec.", "fact": "2012-12-25T02:32:57Z → 2012-12-26T05:18:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–19:57 on the 24th, 18:26–19:57 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 24th and 91 of 91 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 27367 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2012: Tuesday 25 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": "2012-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-25", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2012 falls on Tuesday 25 December. Trayodaśī runs from 03:33 on Tue 25 Dec to 06:18 on Wed 26 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/pradosha-vrata?on=2012-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2012/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25590, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2012-12-27T08:56:45+01:00", "utc": "2012-12-27T07:56:45Z", "ms": 1356595004762.6675 }, "end": { "local": "2012-12-28T11:21:11+01:00", "utc": "2012-12-28T10:21:11Z", "ms": 1356690070640.1047 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-27T08:56:45+01:00", "utc": "2012-12-27T07:56:45Z", "ms": 1356595004762.6675 }, "end": { "local": "2012-12-28T11:21:11+01:00", "utc": "2012-12-28T10:21:11Z", "ms": 1356690070640.1047 } }, "kaala": "pradosha", "days": [ { "local_date": "2012-12-27", "window": { "start": { "local": "2012-12-27T18:27:14+01:00", "utc": "2012-12-27T17:27:14Z", "ms": 1356629234004.3765 }, "end": { "local": "2012-12-27T19:58:15+01:00", "utc": "2012-12-27T18:58:15Z", "ms": 1356634695298.3174 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2012-12-28", "window": { "start": { "local": "2012-12-28T18:27:41+01:00", "utc": "2012-12-28T17:27:41Z", "ms": 1356715660785.4954 }, "end": { "local": "2012-12-28T19:58:43+01:00", "utc": "2012-12-28T18:58:43Z", "ms": 1356721122736.4014 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:57 on Thu 27 Dec to 11:21 on Fri 28 Dec.", "fact": "2012-12-27T07:56:45Z → 2012-12-28T10:21:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–19:58 on the 27th, 18:28–19:59 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 91 of 91 minutes on the 27th and 0 of 91 on the 28th.", "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 25590 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Luanda, 2012: Thursday 27 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": "2012-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-27", "confidence": "determinate" } ], "quote": "In Luanda, Dattātreyotpatti (Datta Jayanti) 2012 falls on Thursday 27 December. Pūrṇimā runs from 08:57 on Thu 27 Dec to 11:21 on Fri 28 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2012/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": "/luanda/festivals/2012/sankashta-chaturthi?on=2012-12-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2012, "local_date": "2012-12-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14578, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2012-12-31T16:33:41+01:00", "utc": "2012-12-31T15:33:41Z", "ms": 1356968021272.978 }, "end": { "local": "2013-01-01T17:30:03+01:00", "utc": "2013-01-01T16:30:03Z", "ms": 1357057802732.8228 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2012-12-31T16:33:41+01:00", "utc": "2012-12-31T15:33:41Z", "ms": 1356968021272.978 }, "end": { "local": "2013-01-01T17:30:03+01:00", "utc": "2013-01-01T16:30:03Z", "ms": 1357057802732.8228 } }, "kaala": "moonrise", "days": [ { "local_date": "2012-12-31", "window": { "start": { "local": "2012-12-31T20:50:25+01:00", "utc": "2012-12-31T19:50:25Z", "ms": 1356983424764.4478 }, "end": { "local": "2012-12-31T20:50:25+01:00", "utc": "2012-12-31T19:50:25Z", "ms": 1356983424764.4478 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2013-01-01", "window": { "start": { "local": "2013-01-01T21:33:01+01:00", "utc": "2013-01-01T20:33:01Z", "ms": 1357072380779.7937 }, "end": { "local": "2013-01-01T21:33:01+01:00", "utc": "2013-01-01T20:33:01Z", "ms": 1357072380779.7937 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:34 on Mon 31 Dec to 17:30 on Tue 1 Jan.", "fact": "2012-12-31T15:33:41Z → 2013-01-01T16:30:03Z" }, { "step": "kaala", "text": "Moonrise is at 20:50 on the 31st and 21:33 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14578 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2012: Monday 31 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": "2012-12-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2012-12-31", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2012 falls on Monday 31 December. Caturthī runs from 16:34 on Mon 31 Dec to 17:30 on Tue 1 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2012/sankashta-chaturthi?on=2012-12-31", "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" } }