{ "id": "/luanda/festivals/2004", "place": { "id": "2240449", "slug": "luanda", "name": "Luanda", "region": "Angola", "country": "AO", "lat": -8.83682, "lon": 13.23432, "elevation_m": 73, "tz": "Africa/Luanda" }, "year": 2004, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/luanda/festivals/2004/ekadashi?on=2004-01-03", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4490, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-01-02T04:22:30+01:00", "utc": "2004-01-02T03:22:30Z", "ms": 1073013750280.8002 }, "end": { "local": "2004-01-03T07:07:31+01:00", "utc": "2004-01-03T06:07:31Z", "ms": 1073110050720.0292 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-01-02T04:22:30+01:00", "utc": "2004-01-02T03:22:30Z", "ms": 1073013750280.8002 }, "end": { "local": "2004-01-03T07:07:31+01:00", "utc": "2004-01-03T06:07:31Z", "ms": 1073110050720.0292 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-01-02", "window": { "start": { "local": "2004-01-02T05:52:09+01:00", "utc": "2004-01-02T04:52:09Z", "ms": 1073019128556.5292 }, "end": { "local": "2004-01-02T05:52:09+01:00", "utc": "2004-01-02T04:52:09Z", "ms": 1073019128556.5292 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-01-03", "window": { "start": { "local": "2004-01-03T05:52:41+01:00", "utc": "2004-01-03T04:52:41Z", "ms": 1073105560619.4164 }, "end": { "local": "2004-01-03T05:52:41+01:00", "utc": "2004-01-03T04:52:41Z", "ms": 1073105560619.4164 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:23 on Fri 2 Jan to 07:08 on Sat 3 Jan.", "fact": "2004-01-02T03:22:30Z → 2004-01-03T06:07:31Z" }, { "step": "kaala", "text": "Sunrise is at 05:52 on the 2nd and 05:53 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 on the 3rd.", "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 4490 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Luanda, 2004: Saturday 3 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-03", "confidence": "determinate" } ], "quote": "In Luanda, Putradā Ekādaśī 2004 falls on Saturday 3 January. Ekādaśī runs from 04:23 on Fri 2 Jan to 07:08 on Sat 3 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-01-03", "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/2004/pradosha-vrata?on=2004-01-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21705, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-01-04T09:53:23+01:00", "utc": "2004-01-04T08:53:23Z", "ms": 1073206402901.0789 }, "end": { "local": "2004-01-05T12:28:52+01:00", "utc": "2004-01-05T11:28:52Z", "ms": 1073302131677.0594 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-01-04T09:53:23+01:00", "utc": "2004-01-04T08:53:23Z", "ms": 1073206402901.0789 }, "end": { "local": "2004-01-05T12:28:52+01:00", "utc": "2004-01-05T11:28:52Z", "ms": 1073302131677.0594 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-01-04", "window": { "start": { "local": "2004-01-04T18:30:15+01:00", "utc": "2004-01-04T17:30:15Z", "ms": 1073237414781.2644 }, "end": { "local": "2004-01-04T20:01:23+01:00", "utc": "2004-01-04T19:01:23Z", "ms": 1073242882759.3844 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2004-01-05", "window": { "start": { "local": "2004-01-05T18:30:37+01:00", "utc": "2004-01-05T17:30:37Z", "ms": 1073323836891.2275 }, "end": { "local": "2004-01-05T20:01:46+01:00", "utc": "2004-01-05T19:01:46Z", "ms": 1073329306171.1547 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:53 on Sun 4 Jan to 12:29 on Mon 5 Jan.", "fact": "2004-01-04T08:53:23Z → 2004-01-05T11:28:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–20:01 on the 4th, 18:31–20:02 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 91 of 91 minutes on the 4th and 0 of 91 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 21705 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2004: Sunday 4 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-04", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2004 falls on Sunday 4 January. Trayodaśī runs from 09:53 on Sun 4 Jan to 12:29 on Mon 5 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-01-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sankashta-chaturthi?on=2004-01-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4208, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-01-10T19:53:07+01:00", "utc": "2004-01-10T18:53:07Z", "ms": 1073760787367.7893 }, "end": { "local": "2004-01-11T20:08:26+01:00", "utc": "2004-01-11T19:08:26Z", "ms": 1073848105990.1179 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-10T19:53:07+01:00", "utc": "2004-01-10T18:53:07Z", "ms": 1073760787367.7893 }, "end": { "local": "2004-01-11T20:08:26+01:00", "utc": "2004-01-11T19:08:26Z", "ms": 1073848105990.1179 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-01-10", "window": { "start": { "local": "2004-01-10T21:03:15+01:00", "utc": "2004-01-10T20:03:15Z", "ms": 1073764995469.9296 }, "end": { "local": "2004-01-10T21:03:15+01:00", "utc": "2004-01-10T20:03:15Z", "ms": 1073764995469.9296 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-01-11", "window": { "start": { "local": "2004-01-11T21:46:19+01:00", "utc": "2004-01-11T20:46:19Z", "ms": 1073853979449.3112 }, "end": { "local": "2004-01-11T21:46:19+01:00", "utc": "2004-01-11T20:46:19Z", "ms": 1073853979449.3112 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:53 on Sat 10 Jan to 20:08 on Sun 11 Jan.", "fact": "2004-01-10T18:53:07Z → 2004-01-11T19:08:26Z" }, { "step": "kaala", "text": "Moonrise is at 21:03 on the 10th and 21:46 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 4208 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2004: Saturday 10 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-10", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2004 falls on Saturday 10 January. Caturthī runs from 19:53 on Sat 10 Jan to 20:08 on Sun 11 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/sankashta-chaturthi?on=2004-01-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2367, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2004-01-14T19:12:46+01:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-02-13T08:11:03+01:00", "utc": "2004-02-13T07:11:03Z", "ms": 1076656263005.8335 } }, "span": { "of": "transit", "start": { "local": "2004-01-14T19:12:46+01:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-01-14T19:12:46+01:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 } }, "kaala": "sunset-day", "days": [ { "local_date": "2004-01-14", "window": { "start": { "local": "2004-01-13T18:33:05+01:00", "utc": "2004-01-13T17:33:05Z", "ms": 1074015184578.1864 }, "end": { "local": "2004-01-14T18:33:19+01:00", "utc": "2004-01-14T17:33:19Z", "ms": 1074101599146.7288 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2004-01-15", "window": { "start": { "local": "2004-01-14T18:33:19+01:00", "utc": "2004-01-14T17:33:19Z", "ms": 1074101599146.7288 }, "end": { "local": "2004-01-15T18:33:33+01:00", "utc": "2004-01-15T17:33:33Z", "ms": 1074188012803.8961 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2004-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 19:13 on Wed 14 Jan.", "fact": "2004-01-14T18:12:46Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 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 2367 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Thursday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Luanda, 2004: Wednesday 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": "2004-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2004-01-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2004-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Luanda, Bhogi 2004 falls on Wednesday 14 January. It is kept the day before Pongal, which falls on Thursday 15 January. The Sun enters Makara at 19:13 on Wed 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/2004/bhogi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17234, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2004-01-14T19:12:46+01:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-02-13T08:11:03+01:00", "utc": "2004-02-13T07:11:03Z", "ms": 1076656263005.8335 } }, "span": { "of": "transit", "start": { "local": "2004-01-14T19:12:46+01:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-01-14T19:12:46+01:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 } }, "kaala": "civil-day", "days": [ { "local_date": "2004-01-14", "window": { "start": { "local": "2004-01-14T00:00:00+01:00", "utc": "2004-01-13T23:00:00Z", "ms": 1074034800000 }, "end": { "local": "2004-01-15T00:00:00+01:00", "utc": "2004-01-14T23:00:00Z", "ms": 1074121200000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2004-01-15", "window": { "start": { "local": "2004-01-15T00:00:00+01:00", "utc": "2004-01-14T23:00:00Z", "ms": 1074121200000 }, "end": { "local": "2004-01-16T00:00:00+01:00", "utc": "2004-01-15T23:00:00Z", "ms": 1074207600000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 19:13 on Wed 14 Jan.", "fact": "2004-01-14T18:12:46Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of 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 17234 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Luanda, 2004: Wednesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2004-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2004-01-15", "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 2004 falls on Wednesday 14 January. The Sun enters Makara at 19:13 on Wed 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/2004/makara-sankranti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2367, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2004-01-14T19:12:46+01:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-02-13T08:11:03+01:00", "utc": "2004-02-13T07:11:03Z", "ms": 1076656263005.8335 } }, "span": { "of": "transit", "start": { "local": "2004-01-14T19:12:46+01:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-01-14T19:12:46+01:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 } }, "kaala": "sunset-day", "days": [ { "local_date": "2004-01-14", "window": { "start": { "local": "2004-01-13T18:33:05+01:00", "utc": "2004-01-13T17:33:05Z", "ms": 1074015184578.1864 }, "end": { "local": "2004-01-14T18:33:19+01:00", "utc": "2004-01-14T17:33:19Z", "ms": 1074101599146.7288 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2004-01-15", "window": { "start": { "local": "2004-01-14T18:33:19+01:00", "utc": "2004-01-14T17:33:19Z", "ms": 1074101599146.7288 }, "end": { "local": "2004-01-15T18:33:33+01:00", "utc": "2004-01-15T17:33:33Z", "ms": 1074188012803.8961 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 19:13 on Wed 14 Jan.", "fact": "2004-01-14T18:12:46Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 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 2367 s" }, { "step": "ruling", "text": "Pongal, Luanda, 2004: Thursday 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": "2004-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2004-01-14", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2004-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Luanda, Pongal 2004 falls on Thursday 15 January. The Sun enters Makara at 19:13 on Wed 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/2004/pongal", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2367, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2004-01-14T19:12:46+01:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-02-13T08:11:03+01:00", "utc": "2004-02-13T07:11:03Z", "ms": 1076656263005.8335 } }, "span": { "of": "transit", "start": { "local": "2004-01-14T19:12:46+01:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 }, "end": { "local": "2004-01-14T19:12:46+01:00", "utc": "2004-01-14T18:12:46Z", "ms": 1074103966225.0189 } }, "kaala": "sunset-day", "days": [ { "local_date": "2004-01-14", "window": { "start": { "local": "2004-01-13T18:33:05+01:00", "utc": "2004-01-13T17:33:05Z", "ms": 1074015184578.1864 }, "end": { "local": "2004-01-14T18:33:19+01:00", "utc": "2004-01-14T17:33:19Z", "ms": 1074101599146.7288 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2004-01-15", "window": { "start": { "local": "2004-01-14T18:33:19+01:00", "utc": "2004-01-14T17:33:19Z", "ms": 1074101599146.7288 }, "end": { "local": "2004-01-15T18:33:33+01:00", "utc": "2004-01-15T17:33:33Z", "ms": 1074188012803.8961 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2004-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 19:13 on Wed 14 Jan.", "fact": "2004-01-14T18:12:46Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 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 2367 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Thursday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Luanda, 2004: Friday 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": "2004-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2004-01-15", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2004-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Luanda, Mattu Pongal 2004 falls on Friday 16 January. It is kept the day after Pongal, which falls on Thursday 15 January. The Sun enters Makara at 19:13 on Wed 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/2004/mattu-pongal", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-01-18", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14882, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-01-17T12:47:56+01:00", "utc": "2004-01-17T11:47:56Z", "ms": 1074340075556.4989 }, "end": { "local": "2004-01-18T10:08:24+01:00", "utc": "2004-01-18T09:08:24Z", "ms": 1074416904205.611 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-17T12:47:56+01:00", "utc": "2004-01-17T11:47:56Z", "ms": 1074340075556.4989 }, "end": { "local": "2004-01-18T10:08:24+01:00", "utc": "2004-01-18T09:08:24Z", "ms": 1074416904205.611 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-01-17", "window": { "start": { "local": "2004-01-17T05:59:53+01:00", "utc": "2004-01-17T04:59:53Z", "ms": 1074315593098.0886 }, "end": { "local": "2004-01-17T05:59:53+01:00", "utc": "2004-01-17T04:59:53Z", "ms": 1074315593098.0886 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-01-18", "window": { "start": { "local": "2004-01-18T06:00:22+01:00", "utc": "2004-01-18T05:00:22Z", "ms": 1074402021768.837 }, "end": { "local": "2004-01-18T06:00:22+01:00", "utc": "2004-01-18T05:00:22Z", "ms": 1074402021768.837 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:48 on Sat 17 Jan to 10:08 on Sun 18 Jan.", "fact": "2004-01-17T11:47:56Z → 2004-01-18T09:08:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 17th and 06:00 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 14882 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Luanda, 2004: Sunday 18 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-18", "confidence": "determinate" } ], "quote": "In Luanda, Ṣaṭtilā Ekādaśī 2004 falls on Sunday 18 January. Ekādaśī runs from 12:48 on Sat 17 Jan to 10:08 on Sun 18 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-01-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-01-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28899, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-01-19T07:12:36+01:00", "utc": "2004-01-19T06:12:36Z", "ms": 1074492756204.6688 }, "end": { "local": "2004-01-20T04:07:33+01:00", "utc": "2004-01-20T03:07:33Z", "ms": 1074568053215.8812 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-19T07:12:36+01:00", "utc": "2004-01-19T06:12:36Z", "ms": 1074492756204.6688 }, "end": { "local": "2004-01-20T04:07:33+01:00", "utc": "2004-01-20T03:07:33Z", "ms": 1074568053215.8812 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-01-18", "window": { "start": { "local": "2004-01-18T18:34:08+01:00", "utc": "2004-01-18T17:34:08Z", "ms": 1074447248181.6527 }, "end": { "local": "2004-01-18T20:05:42+01:00", "utc": "2004-01-18T19:05:42Z", "ms": 1074452741758.8466 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2004-01-19", "window": { "start": { "local": "2004-01-19T18:34:18+01:00", "utc": "2004-01-19T17:34:18Z", "ms": 1074533658067.5518 }, "end": { "local": "2004-01-19T20:05:54+01:00", "utc": "2004-01-19T19:05:54Z", "ms": 1074539154031.557 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:13 on Mon 19 Jan to 04:08 on Tue 20 Jan.", "fact": "2004-01-19T06:12:36Z → 2004-01-20T03:07:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–20:06 on the 18th, 18:34–20:06 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 92 minutes on the 18th and 92 of 92 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 28899 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2004: Monday 19 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-19", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2004 falls on Monday 19 January. Trayodaśī runs from 07:13 on Mon 19 Jan to 04:08 on Tue 20 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-01-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1329, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-01-20T04:07:33+01:00", "utc": "2004-01-20T03:07:33Z", "ms": 1074568053215.8812 }, "end": { "local": "2004-01-21T01:01:47+01:00", "utc": "2004-01-21T00:01:47Z", "ms": 1074643306551.957 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-20T04:07:33+01:00", "utc": "2004-01-20T03:07:33Z", "ms": 1074568053215.8812 }, "end": { "local": "2004-01-21T01:01:47+01:00", "utc": "2004-01-21T00:01:47Z", "ms": 1074643306551.957 } }, "kaala": "arunodaya", "days": [ { "local_date": "2004-01-20", "window": { "start": { "local": "2004-01-20T04:29:42+01:00", "utc": "2004-01-20T03:29:42Z", "ms": 1074569381833.5858 }, "end": { "local": "2004-01-20T06:01:18+01:00", "utc": "2004-01-20T05:01:18Z", "ms": 1074574877797.5911 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2004-01-21", "window": { "start": { "local": "2004-01-21T04:30:07+01:00", "utc": "2004-01-21T03:30:07Z", "ms": 1074655806687.2781 }, "end": { "local": "2004-01-21T06:01:45+01:00", "utc": "2004-01-21T05:01:45Z", "ms": 1074661305103.9669 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:08 on Tue 20 Jan to 01:02 on Wed 21 Jan.", "fact": "2004-01-20T03:07:33Z → 2004-01-21T00:01:47Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:30–06:01 on the 20th, 04:30–06:02 on the 21st.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 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. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1329 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Luanda, 2004: Tuesday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-20", "confidence": "determinate" } ], "quote": "In Luanda, Yama Tarpaṇa 2004 falls on Tuesday 20 January. Caturdaśī runs from 04:08 on Tue 20 Jan to 01:02 on Wed 21 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/luanda/festivals/2004/yama-tarpana", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shivaratri?on=2004-01-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1181, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-01-20T04:07:33+01:00", "utc": "2004-01-20T03:07:33Z", "ms": 1074568053215.8812 }, "end": { "local": "2004-01-21T01:01:47+01:00", "utc": "2004-01-21T00:01:47Z", "ms": 1074643306551.957 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-20T04:07:33+01:00", "utc": "2004-01-20T03:07:33Z", "ms": 1074568053215.8812 }, "end": { "local": "2004-01-21T01:01:47+01:00", "utc": "2004-01-21T00:01:47Z", "ms": 1074643306551.957 } }, "kaala": "nishita", "days": [ { "local_date": "2004-01-19", "window": { "start": { "local": "2004-01-19T23:53:48+01:00", "utc": "2004-01-19T22:53:48Z", "ms": 1074552827932.5714 }, "end": { "local": "2004-01-20T00:41:48+01:00", "utc": "2004-01-19T23:41:48Z", "ms": 1074555707932.5714 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-01-20", "window": { "start": { "local": "2004-01-20T23:54:06+01:00", "utc": "2004-01-20T22:54:06Z", "ms": 1074639246041.3838 }, "end": { "local": "2004-01-21T00:42:06+01:00", "utc": "2004-01-20T23:42:06Z", "ms": 1074642126041.3838 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:08 on Tue 20 Jan to 01:02 on Wed 21 Jan.", "fact": "2004-01-20T03:07:33Z → 2004-01-21T00:01:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:54–00:42 on the 19th, 23:54–00:42 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 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1181 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2004: Tuesday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-20", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2004 falls on Tuesday 20 January. Caturdaśī runs from 04:08 on Tue 20 Jan to 01:02 on Wed 21 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/shivaratri?on=2004-01-20", "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/2004/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9932, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-01-24T15:49:21+01:00", "utc": "2004-01-24T14:49:21Z", "ms": 1074955761050.9529 }, "end": { "local": "2004-01-25T15:06:16+01:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-24T15:49:21+01:00", "utc": "2004-01-24T14:49:21Z", "ms": 1074955761050.9529 }, "end": { "local": "2004-01-25T15:06:16+01:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-01-24", "window": { "start": { "local": "2004-01-24T18:34:53+01:00", "utc": "2004-01-24T17:34:53Z", "ms": 1074965692645.9812 }, "end": { "local": "2004-01-24T20:06:41+01:00", "utc": "2004-01-24T19:06:41Z", "ms": 1074971201498.5621 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2004-01-25", "window": { "start": { "local": "2004-01-25T18:34:57+01:00", "utc": "2004-01-25T17:34:57Z", "ms": 1075052096524.3788 }, "end": { "local": "2004-01-25T20:06:48+01:00", "utc": "2004-01-25T19:06:48Z", "ms": 1075057608134.0729 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:49 on Sat 24 Jan to 15:06 on Sun 25 Jan.", "fact": "2004-01-24T14:49:21Z → 2004-01-25T14:06:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:07 on the 24th, 18:35–20:07 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 92 of 92 minutes on the 24th and 0 of 92 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9932 s" }, { "step": "ruling", "text": "Tila Caturthī, Luanda, 2004: Saturday 24 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-24", "confidence": "determinate" } ], "quote": "In Luanda, Tila Caturthī 2004 falls on Saturday 24 January. Caturthī runs from 15:49 on Sat 24 Jan to 15:06 on Sun 25 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/tila-chaturthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8583, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-01-24T15:49:21+01:00", "utc": "2004-01-24T14:49:21Z", "ms": 1074955761050.9529 }, "end": { "local": "2004-01-25T15:06:16+01:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-24T15:49:21+01:00", "utc": "2004-01-24T14:49:21Z", "ms": 1074955761050.9529 }, "end": { "local": "2004-01-25T15:06:16+01:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-01-24", "window": { "start": { "local": "2004-01-24T11:54:58+01:00", "utc": "2004-01-24T10:54:58Z", "ms": 1074941698269.877 }, "end": { "local": "2004-01-24T12:42:58+01:00", "utc": "2004-01-24T11:42:58Z", "ms": 1074944578269.877 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-01-25", "window": { "start": { "local": "2004-01-25T11:55:13+01:00", "utc": "2004-01-25T10:55:13Z", "ms": 1075028112782.3586 }, "end": { "local": "2004-01-25T12:43:13+01:00", "utc": "2004-01-25T11:43:13Z", "ms": 1075030992782.3586 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:49 on Sat 24 Jan to 15:06 on Sun 25 Jan.", "fact": "2004-01-24T14:49:21Z → 2004-01-25T14:06:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 24th, 11:55–12:43 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8583 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Luanda, 2004: Sunday 25 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-25", "confidence": "determinate" } ], "quote": "In Luanda, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2004 falls on Sunday 25 January. Caturthī runs from 15:49 on Sat 24 Jan to 15:06 on Sun 25 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/ganesha-jayanti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8583, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-01-25T15:06:16+01:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 }, "end": { "local": "2004-01-26T15:14:02+01:00", "utc": "2004-01-26T14:14:02Z", "ms": 1075126442227.3116 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-25T15:06:16+01:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 }, "end": { "local": "2004-01-26T15:14:02+01:00", "utc": "2004-01-26T14:14:02Z", "ms": 1075126442227.3116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-01-25", "window": { "start": { "local": "2004-01-25T11:55:13+01:00", "utc": "2004-01-25T10:55:13Z", "ms": 1075028112782.3586 }, "end": { "local": "2004-01-25T12:43:13+01:00", "utc": "2004-01-25T11:43:13Z", "ms": 1075030992782.3586 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-01-26", "window": { "start": { "local": "2004-01-26T11:55:26+01:00", "utc": "2004-01-26T10:55:26Z", "ms": 1075114526487.202 }, "end": { "local": "2004-01-26T12:43:26+01:00", "utc": "2004-01-26T11:43:26Z", "ms": 1075117406487.202 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:06 on Sun 25 Jan to 15:14 on Mon 26 Jan.", "fact": "2004-01-25T14:06:16Z → 2004-01-26T14:14:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 25th, 11:55–12:43 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8583 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Luanda, 2004: Monday 26 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-26", "confidence": "determinate" } ], "quote": "In Luanda, Śrī Pañcamī 2004 falls on Monday 26 January. Pañcamī runs from 15:06 on Sun 25 Jan to 15:14 on Mon 26 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/shri-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8583, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-01-25T15:06:16+01:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 }, "end": { "local": "2004-01-26T15:14:02+01:00", "utc": "2004-01-26T14:14:02Z", "ms": 1075126442227.3116 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-25T15:06:16+01:00", "utc": "2004-01-25T14:06:16Z", "ms": 1075039575860.7996 }, "end": { "local": "2004-01-26T15:14:02+01:00", "utc": "2004-01-26T14:14:02Z", "ms": 1075126442227.3116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-01-25", "window": { "start": { "local": "2004-01-25T11:55:13+01:00", "utc": "2004-01-25T10:55:13Z", "ms": 1075028112782.3586 }, "end": { "local": "2004-01-25T12:43:13+01:00", "utc": "2004-01-25T11:43:13Z", "ms": 1075030992782.3586 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-01-26", "window": { "start": { "local": "2004-01-26T11:55:26+01:00", "utc": "2004-01-26T10:55:26Z", "ms": 1075114526487.202 }, "end": { "local": "2004-01-26T12:43:26+01:00", "utc": "2004-01-26T11:43:26Z", "ms": 1075117406487.202 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:06 on Sun 25 Jan to 15:14 on Mon 26 Jan.", "fact": "2004-01-25T14:06:16Z → 2004-01-26T14:14:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 25th, 11:55–12:43 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8583 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Luanda, 2004: Monday 26 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-26", "confidence": "determinate" } ], "quote": "In Luanda, Vasanta Pañcamī 2004 falls on Monday 26 January. Pañcamī runs from 15:06 on Sun 25 Jan to 15:14 on Mon 26 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vasanta-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36506, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-01-27T16:12:43+01:00", "utc": "2004-01-27T15:12:43Z", "ms": 1075216363169.8628 }, "end": { "local": "2004-01-28T17:57:03+01:00", "utc": "2004-01-28T16:57:03Z", "ms": 1075309023452.2399 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-01-27T16:12:43+01:00", "utc": "2004-01-27T15:12:43Z", "ms": 1075216363169.8628 }, "end": { "local": "2004-01-28T17:57:03+01:00", "utc": "2004-01-28T16:57:03Z", "ms": 1075309023452.2399 } }, "kaala": "arunodaya", "days": [ { "local_date": "2004-01-27", "window": { "start": { "local": "2004-01-27T04:32:23+01:00", "utc": "2004-01-27T03:32:23Z", "ms": 1075174343125.627 }, "end": { "local": "2004-01-27T06:04:18+01:00", "utc": "2004-01-27T05:04:18Z", "ms": 1075179857548.4435 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2004-01-28", "window": { "start": { "local": "2004-01-28T04:32:44+01:00", "utc": "2004-01-28T03:32:44Z", "ms": 1075260763590.5852 }, "end": { "local": "2004-01-28T06:04:41+01:00", "utc": "2004-01-28T05:04:41Z", "ms": 1075266280880.8911 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:13 on Tue 27 Jan to 17:57 on Wed 28 Jan.", "fact": "2004-01-27T15:12:43Z → 2004-01-28T16:57:03Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:32–06:04 on the 27th, 04:33–06:05 on the 28th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 0 of 92 minutes on the 27th and 92 of 92 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36506 s" }, { "step": "ruling", "text": "Ratha Saptamī, Luanda, 2004: Wednesday 28 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-01-28", "confidence": "determinate" } ], "quote": "In Luanda, Ratha Saptamī 2004 falls on Wednesday 28 January. Saptamī runs from 16:13 on Tue 27 Jan to 17:57 on Wed 28 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/luanda/festivals/2004/ratha-saptami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-02-01", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6773, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-02-01T01:40:29+01:00", "utc": "2004-02-01T00:40:29Z", "ms": 1075596028637.2307 }, "end": { "local": "2004-02-02T04:13:35+01:00", "utc": "2004-02-02T03:13:35Z", "ms": 1075691615013.4908 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-02-01T01:40:29+01:00", "utc": "2004-02-01T00:40:29Z", "ms": 1075596028637.2307 }, "end": { "local": "2004-02-02T04:13:35+01:00", "utc": "2004-02-02T03:13:35Z", "ms": 1075691615013.4908 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-02-01", "window": { "start": { "local": "2004-02-01T06:06:08+01:00", "utc": "2004-02-01T05:06:08Z", "ms": 1075611967814.3448 }, "end": { "local": "2004-02-01T06:06:08+01:00", "utc": "2004-02-01T05:06:08Z", "ms": 1075611967814.3448 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-02-02", "window": { "start": { "local": "2004-02-02T06:06:28+01:00", "utc": "2004-02-02T05:06:28Z", "ms": 1075698387911.095 }, "end": { "local": "2004-02-02T06:06:28+01:00", "utc": "2004-02-02T05:06:28Z", "ms": 1075698387911.095 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:40 on Sun 1 Feb to 04:14 on Mon 2 Feb.", "fact": "2004-02-01T00:40:29Z → 2004-02-02T03:13:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:06 on the 1st and 06:06 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6773 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Luanda, 2004: Sunday 1 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-01", "confidence": "determinate" } ], "quote": "In Luanda, Jayā Ekādaśī 2004 falls on Sunday 1 February. Ekādaśī runs from 01:40 on Sun 1 Feb to 04:14 on Mon 2 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-02-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19971, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-02-02T04:13:35+01:00", "utc": "2004-02-02T03:13:35Z", "ms": 1075691615013.4908 }, "end": { "local": "2004-02-03T06:23:56+01:00", "utc": "2004-02-03T05:23:56Z", "ms": 1075785835846.5728 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-02-02T04:13:35+01:00", "utc": "2004-02-02T03:13:35Z", "ms": 1075691615013.4908 }, "end": { "local": "2004-02-03T06:23:56+01:00", "utc": "2004-02-03T05:23:56Z", "ms": 1075785835846.5728 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-02-02", "window": { "start": { "local": "2004-02-02T11:56:39+01:00", "utc": "2004-02-02T10:56:39Z", "ms": 1075719399333.2212 }, "end": { "local": "2004-02-02T12:44:39+01:00", "utc": "2004-02-02T11:44:39Z", "ms": 1075722279333.2212 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-02-03", "window": { "start": { "local": "2004-02-03T11:56:46+01:00", "utc": "2004-02-03T10:56:46Z", "ms": 1075805806423.5044 }, "end": { "local": "2004-02-03T12:44:46+01:00", "utc": "2004-02-03T11:44:46Z", "ms": 1075808686423.5044 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:14 on Mon 2 Feb to 06:24 on Tue 3 Feb.", "fact": "2004-02-02T03:13:35Z → 2004-02-03T05:23:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 2nd, 11:57–12:45 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19971 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Luanda, 2004: Monday 2 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-02", "confidence": "determinate" } ], "quote": "In Luanda, Bhīṣma Dvādaśī 2004 falls on Monday 2 February. Dvādaśī runs from 04:14 on Mon 2 Feb to 06:24 on Tue 3 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/bhishma-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-02-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37010, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-02-03T06:23:56+01:00", "utc": "2004-02-03T05:23:56Z", "ms": 1075785835846.5728 }, "end": { "local": "2004-02-04T08:04:15+01:00", "utc": "2004-02-04T07:04:15Z", "ms": 1075878254635.0853 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-02-03T06:23:56+01:00", "utc": "2004-02-03T05:23:56Z", "ms": 1075785835846.5728 }, "end": { "local": "2004-02-04T08:04:15+01:00", "utc": "2004-02-04T07:04:15Z", "ms": 1075878254635.0853 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-02-02", "window": { "start": { "local": "2004-02-02T18:34:51+01:00", "utc": "2004-02-02T17:34:51Z", "ms": 1075743290755.3474 }, "end": { "local": "2004-02-02T20:07:06+01:00", "utc": "2004-02-02T19:07:06Z", "ms": 1075748826300.4554 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2004-02-03", "window": { "start": { "local": "2004-02-03T18:34:46+01:00", "utc": "2004-02-03T17:34:46Z", "ms": 1075829685503.3516 }, "end": { "local": "2004-02-03T20:07:04+01:00", "utc": "2004-02-03T19:07:04Z", "ms": 1075835224250.8907 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:24 on Tue 3 Feb to 08:04 on Wed 4 Feb.", "fact": "2004-02-03T05:23:56Z → 2004-02-04T07:04:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:07 on the 2nd, 18:35–20:07 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 2nd and 92 of 92 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37010 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2004: Tuesday 3 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-03", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2004 falls on Tuesday 3 February. Trayodaśī runs from 06:24 on Tue 3 Feb to 08:04 on Wed 4 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7809, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-02-05T09:11:40+01:00", "utc": "2004-02-05T08:11:40Z", "ms": 1075968700453.3477 }, "end": { "local": "2004-02-06T09:46:54+01:00", "utc": "2004-02-06T08:46:54Z", "ms": 1076057214278.3915 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2004-02-05T09:11:40+01:00", "utc": "2004-02-05T08:11:40Z", "ms": 1075968700453.3477 }, "end": { "local": "2004-02-06T09:46:54+01:00", "utc": "2004-02-06T08:46:54Z", "ms": 1076057214278.3915 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-02-05", "window": { "start": { "local": "2004-02-05T11:56:58+01:00", "utc": "2004-02-05T10:56:58Z", "ms": 1075978618142.1187 }, "end": { "local": "2004-02-05T12:44:58+01:00", "utc": "2004-02-05T11:44:58Z", "ms": 1075981498142.1187 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-02-06", "window": { "start": { "local": "2004-02-06T11:57:03+01:00", "utc": "2004-02-06T10:57:03Z", "ms": 1076065022782.9664 }, "end": { "local": "2004-02-06T12:45:03+01:00", "utc": "2004-02-06T11:45:03Z", "ms": 1076067902782.9664 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:12 on Thu 5 Feb to 09:47 on Fri 6 Feb.", "fact": "2004-02-05T08:11:40Z → 2004-02-06T08:46:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 5th, 11:57–12:45 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7809 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Luanda, 2004: Thursday 5 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-05", "confidence": "determinate" } ], "quote": "In Luanda, Māghī Pūrṇimā 2004 falls on Thursday 5 February. Pūrṇimā runs from 09:12 on Thu 5 Feb to 09:47 on Fri 6 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/maghi-purnima", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sankashta-chaturthi?on=2004-02-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38811, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-02-09T08:53:27+01:00", "utc": "2004-02-09T07:53:27Z", "ms": 1076313206628.5939 }, "end": { "local": "2004-02-10T07:55:29+01:00", "utc": "2004-02-10T06:55:29Z", "ms": 1076396129259.8276 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-02-09T08:53:27+01:00", "utc": "2004-02-09T07:53:27Z", "ms": 1076313206628.5939 }, "end": { "local": "2004-02-10T07:55:29+01:00", "utc": "2004-02-10T06:55:29Z", "ms": 1076396129259.8276 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-02-08", "window": { "start": { "local": "2004-02-08T20:26:58+01:00", "utc": "2004-02-08T19:26:58Z", "ms": 1076268417581.6204 }, "end": { "local": "2004-02-08T20:26:58+01:00", "utc": "2004-02-08T19:26:58Z", "ms": 1076268417581.6204 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-02-09", "window": { "start": { "local": "2004-02-09T21:08:38+01:00", "utc": "2004-02-09T20:08:38Z", "ms": 1076357318019.5719 }, "end": { "local": "2004-02-09T21:08:38+01:00", "utc": "2004-02-09T20:08:38Z", "ms": 1076357318019.5719 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:53 on Mon 9 Feb to 07:55 on Tue 10 Feb.", "fact": "2004-02-09T07:53:27Z → 2004-02-10T06:55:29Z" }, { "step": "kaala", "text": "Moonrise is at 20:27 on the 8th and 21:09 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 38811 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2004: Monday 9 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-09", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2004 falls on Monday 9 February. Caturthī runs from 08:53 on Mon 9 Feb to 07:55 on Tue 10 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/sankashta-chaturthi?on=2004-02-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-02-16", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31781, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-02-15T21:20:19+01:00", "utc": "2004-02-15T20:20:19Z", "ms": 1076876418989.224 }, "end": { "local": "2004-02-16T18:57:51+01:00", "utc": "2004-02-16T17:57:51Z", "ms": 1076954270608.5264 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-02-15T21:20:19+01:00", "utc": "2004-02-15T20:20:19Z", "ms": 1076876418989.224 }, "end": { "local": "2004-02-16T18:57:51+01:00", "utc": "2004-02-16T17:57:51Z", "ms": 1076954270608.5264 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-02-16", "window": { "start": { "local": "2004-02-16T06:10:00+01:00", "utc": "2004-02-16T05:10:00Z", "ms": 1076908200256.7812 }, "end": { "local": "2004-02-16T06:10:00+01:00", "utc": "2004-02-16T05:10:00Z", "ms": 1076908200256.7812 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-02-17", "window": { "start": { "local": "2004-02-17T06:10:11+01:00", "utc": "2004-02-17T05:10:11Z", "ms": 1076994610665.96 }, "end": { "local": "2004-02-17T06:10:11+01:00", "utc": "2004-02-17T05:10:11Z", "ms": 1076994610665.96 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:20 on Sun 15 Feb to 18:58 on Mon 16 Feb.", "fact": "2004-02-15T20:20:19Z → 2004-02-16T17:57:51Z" }, { "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 31781 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Luanda, 2004: Monday 16 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-16", "confidence": "determinate" } ], "quote": "In Luanda, Vijayā Ekādaśī 2004 falls on Monday 16 February. Ekādaśī runs from 21:20 on Sun 15 Feb to 18:58 on Mon 16 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-02-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-02-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7113, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-02-17T16:33:23+01:00", "utc": "2004-02-17T15:33:23Z", "ms": 1077032002589.9095 }, "end": { "local": "2004-02-18T14:13:19+01:00", "utc": "2004-02-18T13:13:19Z", "ms": 1077109999273.4551 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-02-17T16:33:23+01:00", "utc": "2004-02-17T15:33:23Z", "ms": 1077032002589.9095 }, "end": { "local": "2004-02-18T14:13:19+01:00", "utc": "2004-02-18T13:13:19Z", "ms": 1077109999273.4551 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-02-17", "window": { "start": { "local": "2004-02-17T18:31:56+01:00", "utc": "2004-02-17T17:31:56Z", "ms": 1077039115635.2507 }, "end": { "local": "2004-02-17T20:05:03+01:00", "utc": "2004-02-17T19:05:03Z", "ms": 1077044702946.0981 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2004-02-18", "window": { "start": { "local": "2004-02-18T18:31:37+01:00", "utc": "2004-02-18T17:31:37Z", "ms": 1077125497224.6067 }, "end": { "local": "2004-02-18T20:04:48+01:00", "utc": "2004-02-18T19:04:48Z", "ms": 1077131088216.3357 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:33 on Tue 17 Feb to 14:13 on Wed 18 Feb.", "fact": "2004-02-17T15:33:23Z → 2004-02-18T13:13:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–20:05 on the 17th, 18:32–20:05 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 93 of 93 minutes on the 17th and 0 of 93 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 7113 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2004: Tuesday 17 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-17", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2004 falls on Tuesday 17 February. Trayodaśī runs from 16:33 on Tue 17 Feb to 14:13 on Wed 18 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-02-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35024, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-02-18T14:13:19+01:00", "utc": "2004-02-18T13:13:19Z", "ms": 1077109999273.4551 }, "end": { "local": "2004-02-19T12:05:18+01:00", "utc": "2004-02-19T11:05:18Z", "ms": 1077188718210.9868 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-02-18T14:13:19+01:00", "utc": "2004-02-18T13:13:19Z", "ms": 1077109999273.4551 }, "end": { "local": "2004-02-19T12:05:18+01:00", "utc": "2004-02-19T11:05:18Z", "ms": 1077188718210.9868 } }, "kaala": "nishita", "days": [ { "local_date": "2004-02-18", "window": { "start": { "local": "2004-02-18T23:57:03+01:00", "utc": "2004-02-18T22:57:03Z", "ms": 1077145023443.5906 }, "end": { "local": "2004-02-19T00:45:03+01:00", "utc": "2004-02-18T23:45:03Z", "ms": 1077147903443.5906 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-02-19", "window": { "start": { "local": "2004-02-19T23:56:58+01:00", "utc": "2004-02-19T22:56:58Z", "ms": 1077231418156.1384 }, "end": { "local": "2004-02-20T00:44:58+01:00", "utc": "2004-02-19T23:44:58Z", "ms": 1077234298156.1384 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:13 on Wed 18 Feb to 12:05 on Thu 19 Feb.", "fact": "2004-02-18T13:13:19Z → 2004-02-19T11:05:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:57–00:45 on the 18th, 23:57–00:45 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. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 35024 s" }, { "step": "ruling", "text": "Mahāśivarātri, Luanda, 2004: Wednesday 18 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-18", "confidence": "determinate" } ], "quote": "In Luanda, Mahāśivarātri 2004 falls on Wednesday 18 February. Caturdaśī runs from 14:13 on Wed 18 Feb to 12:05 on Thu 19 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/maha-shivaratri", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vinayaka-chaturthi?on=2004-02-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10476, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-02-23T08:16:43+01:00", "utc": "2004-02-23T07:16:43Z", "ms": 1077520602808.07 }, "end": { "local": "2004-02-24T09:01:43+01:00", "utc": "2004-02-24T08:01:43Z", "ms": 1077609702540.4286 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-02-23T08:16:43+01:00", "utc": "2004-02-23T07:16:43Z", "ms": 1077520602808.07 }, "end": { "local": "2004-02-24T09:01:43+01:00", "utc": "2004-02-24T08:01:43Z", "ms": 1077609702540.4286 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-02-23", "window": { "start": { "local": "2004-02-23T11:56:27+01:00", "utc": "2004-02-23T10:56:27Z", "ms": 1077533787278.9966 }, "end": { "local": "2004-02-23T12:44:27+01:00", "utc": "2004-02-23T11:44:27Z", "ms": 1077536667278.9966 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-02-24", "window": { "start": { "local": "2004-02-24T11:56:19+01:00", "utc": "2004-02-24T10:56:19Z", "ms": 1077620179032.8967 }, "end": { "local": "2004-02-24T12:44:19+01:00", "utc": "2004-02-24T11:44:19Z", "ms": 1077623059032.8967 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:17 on Mon 23 Feb to 09:02 on Tue 24 Feb.", "fact": "2004-02-23T07:16:43Z → 2004-02-24T08:01:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 23rd, 11:56–12:44 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10476 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2004: Monday 23 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-02-23", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2004 falls on Monday 23 February. Caturthī runs from 08:17 on Mon 23 Feb to 09:02 on Tue 24 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vinayaka-chaturthi?on=2004-02-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-03-02", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21979, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-03-01T22:27:05+01:00", "utc": "2004-03-01T21:27:05Z", "ms": 1078176425110.4895 }, "end": { "local": "2004-03-03T00:05:18+01:00", "utc": "2004-03-02T23:05:18Z", "ms": 1078268718343.3646 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-03-01T22:27:05+01:00", "utc": "2004-03-01T21:27:05Z", "ms": 1078176425110.4895 }, "end": { "local": "2004-03-03T00:05:18+01:00", "utc": "2004-03-02T23:05:18Z", "ms": 1078268718343.3646 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-03-02", "window": { "start": { "local": "2004-03-02T06:11:35+01:00", "utc": "2004-03-02T05:11:35Z", "ms": 1078204295425.2847 }, "end": { "local": "2004-03-02T06:11:35+01:00", "utc": "2004-03-02T05:11:35Z", "ms": 1078204295425.2847 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-03-03", "window": { "start": { "local": "2004-03-03T06:11:38+01:00", "utc": "2004-03-03T05:11:38Z", "ms": 1078290697530.7817 }, "end": { "local": "2004-03-03T06:11:38+01:00", "utc": "2004-03-03T05:11:38Z", "ms": 1078290697530.7817 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:27 on Mon 1 Mar to 00:05 on Wed 3 Mar.", "fact": "2004-03-01T21:27:05Z → 2004-03-02T23:05:18Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 2nd and 06:12 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 21979 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Luanda, 2004: Tuesday 2 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-02", "confidence": "determinate" } ], "quote": "In Luanda, Āmalakī Ekādaśī 2004 falls on Tuesday 2 March. Ekādaśī runs from 22:27 on Mon 1 Mar to 00:05 on Wed 3 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-03-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-03-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18277, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-03-04T01:04:49+01:00", "utc": "2004-03-04T00:04:49Z", "ms": 1078358688650.2623 }, "end": { "local": "2004-03-05T01:24:10+01:00", "utc": "2004-03-05T00:24:10Z", "ms": 1078446250188.4441 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-03-04T01:04:49+01:00", "utc": "2004-03-04T00:04:49Z", "ms": 1078358688650.2623 }, "end": { "local": "2004-03-05T01:24:10+01:00", "utc": "2004-03-05T00:24:10Z", "ms": 1078446250188.4441 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-03-03", "window": { "start": { "local": "2004-03-03T18:26:07+01:00", "utc": "2004-03-03T17:26:07Z", "ms": 1078334767168.5903 }, "end": { "local": "2004-03-03T20:00:11+01:00", "utc": "2004-03-03T19:00:11Z", "ms": 1078340411437.7108 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2004-03-04", "window": { "start": { "local": "2004-03-04T18:25:39+01:00", "utc": "2004-03-04T17:25:39Z", "ms": 1078421139206.2523 }, "end": { "local": "2004-03-04T19:59:47+01:00", "utc": "2004-03-04T18:59:47Z", "ms": 1078426787367.0604 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:05 on Thu 4 Mar to 01:24 on Fri 5 Mar.", "fact": "2004-03-04T00:04:49Z → 2004-03-05T00:24:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–20:00 on the 3rd, 18:26–20:00 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 94 minutes on the 3rd and 94 of 94 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 18277 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2004: Thursday 4 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-04", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2004 falls on Thursday 4 March. Trayodaśī runs from 01:05 on Thu 4 Mar to 01:24 on Fri 5 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-03-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20975, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-03-06T01:05:43+01:00", "utc": "2004-03-06T00:05:43Z", "ms": 1078531542537.389 }, "end": { "local": "2004-03-07T00:14:16+01:00", "utc": "2004-03-06T23:14:16Z", "ms": 1078614856451.0642 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-03-06T01:05:43+01:00", "utc": "2004-03-06T00:05:43Z", "ms": 1078531542537.389 }, "end": { "local": "2004-03-07T00:14:16+01:00", "utc": "2004-03-06T23:14:16Z", "ms": 1078614856451.0642 } }, "kaala": "sayahna", "days": [ { "local_date": "2004-03-05", "window": { "start": { "local": "2004-03-05T15:58:29+01:00", "utc": "2004-03-05T14:58:29Z", "ms": 1078498708705.9474 }, "end": { "local": "2004-03-05T18:25:11+01:00", "utc": "2004-03-05T17:25:11Z", "ms": 1078507510779.356 } }, "covered_min": 0, "window_min": 147, "qualifies": false }, { "local_date": "2004-03-06", "window": { "start": { "local": "2004-03-06T15:58:06+01:00", "utc": "2004-03-06T14:58:06Z", "ms": 1078585085775.7174 }, "end": { "local": "2004-03-06T18:24:42+01:00", "utc": "2004-03-06T17:24:42Z", "ms": 1078593881913.1312 } }, "covered_min": 147, "window_min": 147, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:06 on Sat 6 Mar to 00:14 on Sun 7 Mar.", "fact": "2004-03-06T00:05:43Z → 2004-03-06T23:14:16Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:58–18:25 on the 5th, 15:58–18:25 on the 6th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 147 minutes on the 5th and 147 of 147 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20975 s" }, { "step": "ruling", "text": "Holikā Dahana, Luanda, 2004: Saturday 6 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holika-dahana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.", "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-06", "confidence": "determinate" } ], "quote": "In Luanda, Holikā Dahana 2004 falls on Saturday 6 March. Pūrṇimā runs from 01:06 on Sat 6 Mar to 00:14 on Sun 7 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/luanda/festivals/2004/holika-dahana", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20975, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-03-06T01:05:43+01:00", "utc": "2004-03-06T00:05:43Z", "ms": 1078531542537.389 }, "end": { "local": "2004-03-07T00:14:16+01:00", "utc": "2004-03-06T23:14:16Z", "ms": 1078614856451.0642 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2004-03-06T01:05:43+01:00", "utc": "2004-03-06T00:05:43Z", "ms": 1078531542537.389 }, "end": { "local": "2004-03-07T00:14:16+01:00", "utc": "2004-03-06T23:14:16Z", "ms": 1078614856451.0642 } }, "kaala": "sayahna", "days": [ { "local_date": "2004-03-05", "window": { "start": { "local": "2004-03-05T15:58:29+01:00", "utc": "2004-03-05T14:58:29Z", "ms": 1078498708705.9474 }, "end": { "local": "2004-03-05T18:25:11+01:00", "utc": "2004-03-05T17:25:11Z", "ms": 1078507510779.356 } }, "covered_min": 0, "window_min": 147, "qualifies": false }, { "local_date": "2004-03-06", "window": { "start": { "local": "2004-03-06T15:58:06+01:00", "utc": "2004-03-06T14:58:06Z", "ms": 1078585085775.7174 }, "end": { "local": "2004-03-06T18:24:42+01:00", "utc": "2004-03-06T17:24:42Z", "ms": 1078593881913.1312 } }, "covered_min": 147, "window_min": 147, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2004-03-06", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:06 on Sat 6 Mar to 00:14 on Sun 7 Mar.", "fact": "2004-03-06T00:05:43Z → 2004-03-06T23:14:16Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:58–18:25 on the 5th, 15:58–18:25 on the 6th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 147 minutes on the 5th and 147 of 147 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20975 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Saturday 6 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Luanda, 2004: Sunday 7 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holi", "follows": { "festival": "holika-dahana", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-07", "confidence": "determinate" } ], "quote": "In Luanda, Holī 2004 falls on Sunday 7 March. It is kept the day after Holikā Dahana, which falls on Saturday 6 March. Pūrṇimā runs from 01:06 on Sat 6 Mar to 00:14 on Sun 7 Mar and covers all of sāyāhna on the 6th.", "cite": "https://ahargana.org/luanda/festivals/2004/holi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21445, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-03-07T00:14:16+01:00", "utc": "2004-03-06T23:14:16Z", "ms": 1078614856451.0642 }, "end": { "local": "2004-03-07T22:56:02+01:00", "utc": "2004-03-07T21:56:02Z", "ms": 1078696562168.0216 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-07T00:14:16+01:00", "utc": "2004-03-06T23:14:16Z", "ms": 1078614856451.0642 }, "end": { "local": "2004-03-07T22:56:02+01:00", "utc": "2004-03-07T21:56:02Z", "ms": 1078696562168.0216 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-03-07", "window": { "start": { "local": "2004-03-07T06:11:42+01:00", "utc": "2004-03-07T05:11:42Z", "ms": 1078636301648.4349 }, "end": { "local": "2004-03-07T06:11:42+01:00", "utc": "2004-03-07T05:11:42Z", "ms": 1078636301648.4349 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-03-08", "window": { "start": { "local": "2004-03-08T06:11:42+01:00", "utc": "2004-03-08T05:11:42Z", "ms": 1078722701700.3478 }, "end": { "local": "2004-03-08T06:11:42+01:00", "utc": "2004-03-08T05:11:42Z", "ms": 1078722701700.3478 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 00:14 on Sun 7 Mar to 22:56 on Sun 7 Mar.", "fact": "2004-03-06T23:14:16Z → 2004-03-07T21:56:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 7th and 06:12 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21445 s" }, { "step": "ruling", "text": "Vasantotsava, Luanda, 2004: Sunday 7 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-07", "confidence": "determinate" } ], "quote": "In Luanda, Vasantotsava 2004 falls on Sunday 7 March. Pratipadā runs from 00:14 on Sun 7 Mar to 22:56 on Sun 7 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/vasantotsava", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sankashta-chaturthi?on=2004-03-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3993, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-03-09T19:24:50+01:00", "utc": "2004-03-09T18:24:50Z", "ms": 1078856689769.5262 }, "end": { "local": "2004-03-10T17:23:18+01:00", "utc": "2004-03-10T16:23:18Z", "ms": 1078935798026.0262 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-09T19:24:50+01:00", "utc": "2004-03-09T18:24:50Z", "ms": 1078856689769.5262 }, "end": { "local": "2004-03-10T17:23:18+01:00", "utc": "2004-03-10T16:23:18Z", "ms": 1078935798026.0262 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-03-09", "window": { "start": { "local": "2004-03-09T20:31:23+01:00", "utc": "2004-03-09T19:31:23Z", "ms": 1078860682845.2146 }, "end": { "local": "2004-03-09T20:31:23+01:00", "utc": "2004-03-09T19:31:23Z", "ms": 1078860682845.2146 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-03-10", "window": { "start": { "local": "2004-03-10T21:17:39+01:00", "utc": "2004-03-10T20:17:39Z", "ms": 1078949858739.8239 }, "end": { "local": "2004-03-10T21:17:39+01:00", "utc": "2004-03-10T20:17:39Z", "ms": 1078949858739.8239 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:25 on Tue 9 Mar to 17:23 on Wed 10 Mar.", "fact": "2004-03-09T18:24:50Z → 2004-03-10T16:23:18Z" }, { "step": "kaala", "text": "Moonrise is at 20:31 on the 9th and 21:18 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3993 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2004: Tuesday 9 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-09", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2004 falls on Tuesday 9 March. Caturthī runs from 19:25 on Tue 9 Mar to 17:23 on Wed 10 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/sankashta-chaturthi?on=2004-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2961, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-03-13T11:03:03+01:00", "utc": "2004-03-13T10:03:03Z", "ms": 1079172182705.024 }, "end": { "local": "2004-03-14T08:59:18+01:00", "utc": "2004-03-14T07:59:18Z", "ms": 1079251157694.8066 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-13T11:03:03+01:00", "utc": "2004-03-13T10:03:03Z", "ms": 1079172182705.024 }, "end": { "local": "2004-03-14T08:59:18+01:00", "utc": "2004-03-14T07:59:18Z", "ms": 1079251157694.8066 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-13", "window": { "start": { "local": "2004-03-13T11:52:23+01:00", "utc": "2004-03-13T10:52:23Z", "ms": 1079175143433.4241 }, "end": { "local": "2004-03-13T12:40:23+01:00", "utc": "2004-03-13T11:40:23Z", "ms": 1079178023433.4241 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-03-14", "window": { "start": { "local": "2004-03-14T11:52:07+01:00", "utc": "2004-03-14T10:52:07Z", "ms": 1079261526839.3507 }, "end": { "local": "2004-03-14T12:40:07+01:00", "utc": "2004-03-14T11:40:07Z", "ms": 1079264406839.3507 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:03 on Sat 13 Mar to 08:59 on Sun 14 Mar.", "fact": "2004-03-13T10:03:03Z → 2004-03-14T07:59:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 13th, 11:52–12:40 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2961 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Luanda, 2004: Saturday 13 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-13", "confidence": "boundary" } ], "quote": "In Luanda, Śītalāṣṭamī 2004 falls on Saturday 13 March. Aṣṭamī runs from 11:03 on Sat 13 Mar to 08:59 on Sun 14 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/shitalashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-03-16", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3807, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-03-16T05:08:04+01:00", "utc": "2004-03-16T04:08:04Z", "ms": 1079410084471.6052 }, "end": { "local": "2004-03-17T03:25:47+01:00", "utc": "2004-03-17T02:25:47Z", "ms": 1079490347456.0917 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-16T05:08:04+01:00", "utc": "2004-03-16T04:08:04Z", "ms": 1079410084471.6052 }, "end": { "local": "2004-03-17T03:25:47+01:00", "utc": "2004-03-17T02:25:47Z", "ms": 1079490347456.0917 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-03-16", "window": { "start": { "local": "2004-03-16T06:11:31+01:00", "utc": "2004-03-16T05:11:31Z", "ms": 1079413891283.7821 }, "end": { "local": "2004-03-16T06:11:31+01:00", "utc": "2004-03-16T05:11:31Z", "ms": 1079413891283.7821 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-03-17", "window": { "start": { "local": "2004-03-17T06:11:29+01:00", "utc": "2004-03-17T05:11:29Z", "ms": 1079500288912.7826 }, "end": { "local": "2004-03-17T06:11:29+01:00", "utc": "2004-03-17T05:11:29Z", "ms": 1079500288912.7826 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:08 on Tue 16 Mar to 03:26 on Wed 17 Mar.", "fact": "2004-03-16T04:08:04Z → 2004-03-17T02:25:47Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 16th and 06:11 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 3807 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Luanda, 2004: Tuesday 16 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-16", "confidence": "determinate" } ], "quote": "In Luanda, Pāpamocanī Ekādaśī 2004 falls on Tuesday 16 March. Ekādaśī runs from 05:08 on Tue 16 Mar to 03:26 on Wed 17 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-03-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-03-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17597, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-03-18T01:57:11+01:00", "utc": "2004-03-18T00:57:11Z", "ms": 1079571430841.1803 }, "end": { "local": "2004-03-19T00:46:50+01:00", "utc": "2004-03-18T23:46:50Z", "ms": 1079653610435.7192 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-18T01:57:11+01:00", "utc": "2004-03-18T00:57:11Z", "ms": 1079571430841.1803 }, "end": { "local": "2004-03-19T00:46:50+01:00", "utc": "2004-03-18T23:46:50Z", "ms": 1079653610435.7192 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-03-17", "window": { "start": { "local": "2004-03-17T18:19:03+01:00", "utc": "2004-03-17T17:19:03Z", "ms": 1079543942679.0151 }, "end": { "local": "2004-03-17T19:54:02+01:00", "utc": "2004-03-17T18:54:02Z", "ms": 1079549641836.3684 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2004-03-18", "window": { "start": { "local": "2004-03-18T18:18:30+01:00", "utc": "2004-03-18T17:18:30Z", "ms": 1079630310483.895 }, "end": { "local": "2004-03-18T19:53:34+01:00", "utc": "2004-03-18T18:53:34Z", "ms": 1079636013571.0327 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:57 on Thu 18 Mar to 00:47 on Fri 19 Mar.", "fact": "2004-03-18T00:57:11Z → 2004-03-18T23:46:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:54 on the 17th, 18:19–19:54 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 95 minutes on the 17th and 95 of 95 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17597 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2004: Thursday 18 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-18", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2004 falls on Thursday 18 March. Trayodaśī runs from 01:57 on Thu 18 Mar to 00:47 on Fri 19 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shivaratri?on=2004-03-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 473, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-03-19T00:46:50+01:00", "utc": "2004-03-18T23:46:50Z", "ms": 1079653610435.7192 }, "end": { "local": "2004-03-19T23:59:52+01:00", "utc": "2004-03-19T22:59:52Z", "ms": 1079737192121.2274 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-19T00:46:50+01:00", "utc": "2004-03-18T23:46:50Z", "ms": 1079653610435.7192 }, "end": { "local": "2004-03-19T23:59:52+01:00", "utc": "2004-03-19T22:59:52Z", "ms": 1079737192121.2274 } }, "kaala": "nishita", "days": [ { "local_date": "2004-03-18", "window": { "start": { "local": "2004-03-18T23:50:57+01:00", "utc": "2004-03-18T22:50:57Z", "ms": 1079650257060.6614 }, "end": { "local": "2004-03-19T00:38:57+01:00", "utc": "2004-03-18T23:38:57Z", "ms": 1079653137060.6614 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-03-19", "window": { "start": { "local": "2004-03-19T23:50:39+01:00", "utc": "2004-03-19T22:50:39Z", "ms": 1079736639458.1519 }, "end": { "local": "2004-03-20T00:38:39+01:00", "utc": "2004-03-19T23:38:39Z", "ms": 1079739519458.1519 } }, "covered_min": 9, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:47 on Fri 19 Mar to 00:00 on Fri 19 Mar.", "fact": "2004-03-18T23:46:50Z → 2004-03-19T22:59:52Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:51–00:39 on the 18th, 23:51–00:39 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 9 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 473 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2004: Friday 19 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-19", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2004 falls on Friday 19 March. Caturdaśī runs from 00:47 on Fri 19 Mar to 00:00 on Fri 19 Mar and covers 9 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/shivaratri?on=2004-03-19", "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/2004/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39778, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-03-20T23:41:21+01:00", "utc": "2004-03-20T22:41:21Z", "ms": 1079822481057.9146 }, "end": { "local": "2004-03-21T23:55:38+01:00", "utc": "2004-03-21T22:55:38Z", "ms": 1079909737958.1171 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-20T23:41:21+01:00", "utc": "2004-03-20T22:41:21Z", "ms": 1079822481057.9146 }, "end": { "local": "2004-03-21T23:55:38+01:00", "utc": "2004-03-21T22:55:38Z", "ms": 1079909737958.1171 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-20", "window": { "start": { "local": "2004-03-20T11:50:23+01:00", "utc": "2004-03-20T10:50:23Z", "ms": 1079779823235.9574 }, "end": { "local": "2004-03-20T12:38:23+01:00", "utc": "2004-03-20T11:38:23Z", "ms": 1079782703235.9574 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-03-21", "window": { "start": { "local": "2004-03-21T11:50:05+01:00", "utc": "2004-03-21T10:50:05Z", "ms": 1079866205458.258 }, "end": { "local": "2004-03-21T12:38:05+01:00", "utc": "2004-03-21T11:38:05Z", "ms": 1079869085458.258 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:41 on Sat 20 Mar to 23:56 on Sun 21 Mar.", "fact": "2004-03-20T22:41:21Z → 2004-03-21T22:55:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 20th, 11:50–12:38 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39778 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Luanda, 2004: Sunday 21 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-21", "confidence": "determinate" } ], "quote": "In Luanda, Navarātrārambha (Caitra) (Chaitra Navratri) 2004 falls on Sunday 21 March. Pratipadā runs from 23:41 on Sat 20 Mar to 23:56 on Sun 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/navaratra-arambha-caitra", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34710, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-03-23T00:45:24+01:00", "utc": "2004-03-22T23:45:24Z", "ms": 1079999124233.8273 }, "end": { "local": "2004-03-24T02:10:41+01:00", "utc": "2004-03-24T01:10:41Z", "ms": 1080090641298.1957 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-23T00:45:24+01:00", "utc": "2004-03-22T23:45:24Z", "ms": 1079999124233.8273 }, "end": { "local": "2004-03-24T02:10:41+01:00", "utc": "2004-03-24T01:10:41Z", "ms": 1080090641298.1957 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-23", "window": { "start": { "local": "2004-03-23T11:49:30+01:00", "utc": "2004-03-23T10:49:30Z", "ms": 1080038969617.5947 }, "end": { "local": "2004-03-23T12:37:30+01:00", "utc": "2004-03-23T11:37:30Z", "ms": 1080041849617.5947 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-03-24", "window": { "start": { "local": "2004-03-24T11:49:12+01:00", "utc": "2004-03-24T10:49:12Z", "ms": 1080125351589.3024 }, "end": { "local": "2004-03-24T12:37:12+01:00", "utc": "2004-03-24T11:37:12Z", "ms": 1080128231589.3024 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:45 on Tue 23 Mar to 02:11 on Wed 24 Mar.", "fact": "2004-03-22T23:45:24Z → 2004-03-24T01:10:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 23rd, 11:49–12:37 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: unstated → only-day · margin 34710 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Luanda, 2004: Tuesday 23 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-23", "confidence": "determinate" } ], "quote": "In Luanda, Gaurī Tṛtīyā (Gangaur) 2004 falls on Tuesday 23 March. Tṛtīyā runs from 00:45 on Tue 23 Mar to 02:11 on Wed 24 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/gauri-tritiya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34710, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-03-23T00:45:24+01:00", "utc": "2004-03-22T23:45:24Z", "ms": 1079999124233.8273 }, "end": { "local": "2004-03-24T02:10:41+01:00", "utc": "2004-03-24T01:10:41Z", "ms": 1080090641298.1957 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-23T00:45:24+01:00", "utc": "2004-03-22T23:45:24Z", "ms": 1079999124233.8273 }, "end": { "local": "2004-03-24T02:10:41+01:00", "utc": "2004-03-24T01:10:41Z", "ms": 1080090641298.1957 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-23", "window": { "start": { "local": "2004-03-23T11:49:30+01:00", "utc": "2004-03-23T10:49:30Z", "ms": 1080038969617.5947 }, "end": { "local": "2004-03-23T12:37:30+01:00", "utc": "2004-03-23T11:37:30Z", "ms": 1080041849617.5947 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-03-24", "window": { "start": { "local": "2004-03-24T11:49:12+01:00", "utc": "2004-03-24T10:49:12Z", "ms": 1080125351589.3024 }, "end": { "local": "2004-03-24T12:37:12+01:00", "utc": "2004-03-24T11:37:12Z", "ms": 1080128231589.3024 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:45 on Tue 23 Mar to 02:11 on Wed 24 Mar.", "fact": "2004-03-22T23:45:24Z → 2004-03-24T01:10:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 23rd, 11:49–12:37 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: paraviddha → only-day · margin 34710 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Luanda, 2004: Tuesday 23 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-23", "confidence": "determinate" } ], "quote": "In Luanda, Saubhāgya Śayana Vrata 2004 falls on Tuesday 23 March. Tṛtīyā runs from 00:45 on Tue 23 Mar to 02:11 on Wed 24 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/saubhagya-shayana-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vinayaka-chaturthi?on=2004-03-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27658, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-03-24T02:10:41+01:00", "utc": "2004-03-24T01:10:41Z", "ms": 1080090641298.1957 }, "end": { "local": "2004-03-25T04:07:55+01:00", "utc": "2004-03-25T03:07:55Z", "ms": 1080184075460.9939 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-24T02:10:41+01:00", "utc": "2004-03-24T01:10:41Z", "ms": 1080090641298.1957 }, "end": { "local": "2004-03-25T04:07:55+01:00", "utc": "2004-03-25T03:07:55Z", "ms": 1080184075460.9939 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-24", "window": { "start": { "local": "2004-03-24T11:49:12+01:00", "utc": "2004-03-24T10:49:12Z", "ms": 1080125351589.3024 }, "end": { "local": "2004-03-24T12:37:12+01:00", "utc": "2004-03-24T11:37:12Z", "ms": 1080128231589.3024 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-03-25", "window": { "start": { "local": "2004-03-25T11:48:54+01:00", "utc": "2004-03-25T10:48:54Z", "ms": 1080211733512.7571 }, "end": { "local": "2004-03-25T12:36:54+01:00", "utc": "2004-03-25T11:36:54Z", "ms": 1080214613512.7571 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:11 on Wed 24 Mar to 04:08 on Thu 25 Mar.", "fact": "2004-03-24T01:10:41Z → 2004-03-25T03:07:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "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 27658 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2004: Wednesday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-24", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2004 falls on Wednesday 24 March. Caturthī runs from 02:11 on Wed 24 Mar to 04:08 on Thu 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vinayaka-chaturthi?on=2004-03-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19148, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-03-25T04:07:55+01:00", "utc": "2004-03-25T03:07:55Z", "ms": 1080184075460.9939 }, "end": { "local": "2004-03-26T06:29:27+01:00", "utc": "2004-03-26T05:29:27Z", "ms": 1080278966950.1282 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-25T04:07:55+01:00", "utc": "2004-03-25T03:07:55Z", "ms": 1080184075460.9939 }, "end": { "local": "2004-03-26T06:29:27+01:00", "utc": "2004-03-26T05:29:27Z", "ms": 1080278966950.1282 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-25", "window": { "start": { "local": "2004-03-25T11:48:54+01:00", "utc": "2004-03-25T10:48:54Z", "ms": 1080211733512.7571 }, "end": { "local": "2004-03-25T12:36:54+01:00", "utc": "2004-03-25T11:36:54Z", "ms": 1080214613512.7571 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-03-26", "window": { "start": { "local": "2004-03-26T11:48:35+01:00", "utc": "2004-03-26T10:48:35Z", "ms": 1080298115406.2073 }, "end": { "local": "2004-03-26T12:36:35+01:00", "utc": "2004-03-26T11:36:35Z", "ms": 1080300995406.2073 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:08 on Thu 25 Mar to 06:29 on Fri 26 Mar.", "fact": "2004-03-25T03:07:55Z → 2004-03-26T05:29:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19148 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Luanda, 2004: Thursday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-25", "confidence": "determinate" } ], "quote": "In Luanda, Lakṣmī Pañcamī 2004 falls on Thursday 25 March. Pañcamī runs from 04:08 on Thu 25 Mar to 06:29 on Fri 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/lakshmi-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 682, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-03-28T11:36:37+01:00", "utc": "2004-03-28T10:36:37Z", "ms": 1080470197081.4264 }, "end": { "local": "2004-03-29T13:53:17+01:00", "utc": "2004-03-29T12:53:17Z", "ms": 1080564797308.0363 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-28T11:36:37+01:00", "utc": "2004-03-28T10:36:37Z", "ms": 1080470197081.4264 }, "end": { "local": "2004-03-29T13:53:17+01:00", "utc": "2004-03-29T12:53:17Z", "ms": 1080564797308.0363 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-28", "window": { "start": { "local": "2004-03-28T11:47:59+01:00", "utc": "2004-03-28T10:47:59Z", "ms": 1080470879177.735 }, "end": { "local": "2004-03-28T12:35:59+01:00", "utc": "2004-03-28T11:35:59Z", "ms": 1080473759177.735 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-03-29", "window": { "start": { "local": "2004-03-29T11:47:41+01:00", "utc": "2004-03-29T10:47:41Z", "ms": 1080557261093.8756 }, "end": { "local": "2004-03-29T12:35:41+01:00", "utc": "2004-03-29T11:35:41Z", "ms": 1080560141093.8756 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:37 on Sun 28 Mar to 13:53 on Mon 29 Mar.", "fact": "2004-03-28T10:36:37Z → 2004-03-29T12:53:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 28th, 11:48–12:36 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 682 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Luanda, 2004: Monday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-29", "confidence": "determinate" } ], "quote": "In Luanda, Bhavānī Utpatti 2004 falls on Monday 29 March. Aṣṭamī runs from 11:37 on Sun 28 Mar to 13:53 on Mon 29 Mar and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/luanda/festivals/2004/bhavani-utpatti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4656, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2004-03-29T13:53:17+01:00", "utc": "2004-03-29T12:53:17Z", "ms": 1080564797308.0363 }, "end": { "local": "2004-03-30T15:40:38+01:00", "utc": "2004-03-30T14:40:38Z", "ms": 1080657637573.6498 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-29T13:53:17+01:00", "utc": "2004-03-29T12:53:17Z", "ms": 1080564797308.0363 }, "end": { "local": "2004-03-30T15:40:38+01:00", "utc": "2004-03-30T14:40:38Z", "ms": 1080657637573.6498 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-03-29", "window": { "start": { "local": "2004-03-29T11:47:41+01:00", "utc": "2004-03-29T10:47:41Z", "ms": 1080557261093.8756 }, "end": { "local": "2004-03-29T12:35:41+01:00", "utc": "2004-03-29T11:35:41Z", "ms": 1080560141093.8756 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-03-30", "window": { "start": { "local": "2004-03-30T11:47:23+01:00", "utc": "2004-03-30T10:47:23Z", "ms": 1080643643056.1245 }, "end": { "local": "2004-03-30T12:35:23+01:00", "utc": "2004-03-30T11:35:23Z", "ms": 1080646523056.1245 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 13:53 on Mon 29 Mar to 15:41 on Tue 30 Mar.", "fact": "2004-03-29T12:53:17Z → 2004-03-30T14:40:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 29th, 11:47–12:35 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4656 s" }, { "step": "ruling", "text": "Rāma Navamī, Luanda, 2004: Tuesday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-03-30", "confidence": "determinate" } ], "quote": "In Luanda, Rāma Navamī 2004 falls on Tuesday 30 March. Navamī runs from 13:53 on Mon 29 Mar to 15:41 on Tue 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/rama-navami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-04-01", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38299, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-03-31T16:49:02+01:00", "utc": "2004-03-31T15:49:02Z", "ms": 1080748141898.0712 }, "end": { "local": "2004-04-01T17:13:21+01:00", "utc": "2004-04-01T16:13:21Z", "ms": 1080836000938.9757 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-03-31T16:49:02+01:00", "utc": "2004-03-31T15:49:02Z", "ms": 1080748141898.0712 }, "end": { "local": "2004-04-01T17:13:21+01:00", "utc": "2004-04-01T16:13:21Z", "ms": 1080836000938.9757 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-03-31", "window": { "start": { "local": "2004-03-31T06:10:43+01:00", "utc": "2004-03-31T05:10:43Z", "ms": 1080709843222.8486 }, "end": { "local": "2004-03-31T06:10:43+01:00", "utc": "2004-03-31T05:10:43Z", "ms": 1080709843222.8486 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-04-01", "window": { "start": { "local": "2004-04-01T06:10:40+01:00", "utc": "2004-04-01T05:10:40Z", "ms": 1080796239689.5442 }, "end": { "local": "2004-04-01T06:10:40+01:00", "utc": "2004-04-01T05:10:40Z", "ms": 1080796239689.5442 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:49 on Wed 31 Mar to 17:13 on Thu 1 Apr.", "fact": "2004-03-31T15:49:02Z → 2004-04-01T16:13:21Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 31st and 06:11 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 31st and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38299 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Luanda, 2004: Thursday 1 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-01", "confidence": "determinate" } ], "quote": "In Luanda, Kāmadā Ekādaśī 2004 falls on Thursday 1 April. Ekādaśī runs from 16:49 on Wed 31 Mar to 17:13 on Thu 1 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-04-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-04-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4654, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-04-02T16:52:48+01:00", "utc": "2004-04-02T15:52:48Z", "ms": 1080921168413.7319 }, "end": { "local": "2004-04-03T15:50:17+01:00", "utc": "2004-04-03T14:50:17Z", "ms": 1081003816513.3658 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-04-02T16:52:48+01:00", "utc": "2004-04-02T15:52:48Z", "ms": 1080921168413.7319 }, "end": { "local": "2004-04-03T15:50:17+01:00", "utc": "2004-04-03T14:50:17Z", "ms": 1081003816513.3658 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-04-02", "window": { "start": { "local": "2004-04-02T18:10:23+01:00", "utc": "2004-04-02T17:10:23Z", "ms": 1080925822628.2854 }, "end": { "local": "2004-04-02T19:46:24+01:00", "utc": "2004-04-02T18:46:24Z", "ms": 1080931583985.3096 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2004-04-03", "window": { "start": { "local": "2004-04-03T18:09:51+01:00", "utc": "2004-04-03T17:09:51Z", "ms": 1081012190731.3013 }, "end": { "local": "2004-04-03T19:45:56+01:00", "utc": "2004-04-03T18:45:56Z", "ms": 1081017955899.6501 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:53 on Fri 2 Apr to 15:50 on Sat 3 Apr.", "fact": "2004-04-02T15:52:48Z → 2004-04-03T14:50:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:46 on the 2nd, 18:10–19:46 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 2nd and 0 of 96 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4654 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2004: Friday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-02", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2004 falls on Friday 2 April. Trayodaśī runs from 16:53 on Fri 2 Apr to 15:50 on Sat 3 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-04-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11765, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-04-02T16:52:48+01:00", "utc": "2004-04-02T15:52:48Z", "ms": 1080921168413.7319 }, "end": { "local": "2004-04-03T15:50:17+01:00", "utc": "2004-04-03T14:50:17Z", "ms": 1081003816513.3658 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-04-02T16:52:48+01:00", "utc": "2004-04-02T15:52:48Z", "ms": 1080921168413.7319 }, "end": { "local": "2004-04-03T15:50:17+01:00", "utc": "2004-04-03T14:50:17Z", "ms": 1081003816513.3658 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-04-02", "window": { "start": { "local": "2004-04-02T11:46:29+01:00", "utc": "2004-04-02T10:46:29Z", "ms": 1080902789419.6459 }, "end": { "local": "2004-04-02T12:34:29+01:00", "utc": "2004-04-02T11:34:29Z", "ms": 1080905669419.6459 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-04-03", "window": { "start": { "local": "2004-04-03T11:46:12+01:00", "utc": "2004-04-03T10:46:12Z", "ms": 1080989171768.6338 }, "end": { "local": "2004-04-03T12:34:12+01:00", "utc": "2004-04-03T11:34:12Z", "ms": 1080992051768.6338 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:53 on Fri 2 Apr to 15:50 on Sat 3 Apr.", "fact": "2004-04-02T15:52:48Z → 2004-04-03T14:50:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 2nd, 11:46–12:34 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 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 11765 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Luanda, 2004: Saturday 3 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-03", "confidence": "determinate" } ], "quote": "In Luanda, Anaṅga Trayodaśī 2004 falls on Saturday 3 April. Trayodaśī runs from 16:53 on Fri 2 Apr to 15:50 on Sat 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/ananga-trayodashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5840, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-04-03T15:50:17+01:00", "utc": "2004-04-03T14:50:17Z", "ms": 1081003816513.3658 }, "end": { "local": "2004-04-04T14:11:14+01:00", "utc": "2004-04-04T13:11:14Z", "ms": 1081084273990.966 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-04-03T15:50:17+01:00", "utc": "2004-04-03T14:50:17Z", "ms": 1081003816513.3658 }, "end": { "local": "2004-04-04T14:11:14+01:00", "utc": "2004-04-04T13:11:14Z", "ms": 1081084273990.966 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-04-03", "window": { "start": { "local": "2004-04-03T11:46:12+01:00", "utc": "2004-04-03T10:46:12Z", "ms": 1080989171768.6338 }, "end": { "local": "2004-04-03T12:34:12+01:00", "utc": "2004-04-03T11:34:12Z", "ms": 1080992051768.6338 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-04-04", "window": { "start": { "local": "2004-04-04T11:45:54+01:00", "utc": "2004-04-04T10:45:54Z", "ms": 1081075554267.2697 }, "end": { "local": "2004-04-04T12:33:54+01:00", "utc": "2004-04-04T11:33:54Z", "ms": 1081078434267.2697 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:50 on Sat 3 Apr to 14:11 on Sun 4 Apr.", "fact": "2004-04-03T14:50:17Z → 2004-04-04T13:11:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 3rd, 11:46–12:34 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5840 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Luanda, 2004: Sunday 4 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-04", "confidence": "determinate" } ], "quote": "In Luanda, Viṣṇudamanaka Caturdaśī 2004 falls on Sunday 4 April. Caturdaśī runs from 15:50 on Sat 3 Apr to 14:11 on Sun 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vishnu-damanaka-chaturdashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1028, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-04-04T14:11:14+01:00", "utc": "2004-04-04T13:11:14Z", "ms": 1081084273990.966 }, "end": { "local": "2004-04-05T12:02:45+01:00", "utc": "2004-04-05T11:02:45Z", "ms": 1081162965196.5399 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2004-04-04T14:11:14+01:00", "utc": "2004-04-04T13:11:14Z", "ms": 1081084273990.966 }, "end": { "local": "2004-04-05T12:02:45+01:00", "utc": "2004-04-05T11:02:45Z", "ms": 1081162965196.5399 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-04-04", "window": { "start": { "local": "2004-04-04T11:45:54+01:00", "utc": "2004-04-04T10:45:54Z", "ms": 1081075554267.2697 }, "end": { "local": "2004-04-04T12:33:54+01:00", "utc": "2004-04-04T11:33:54Z", "ms": 1081078434267.2697 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-04-05", "window": { "start": { "local": "2004-04-05T11:45:37+01:00", "utc": "2004-04-05T10:45:37Z", "ms": 1081161936937.7906 }, "end": { "local": "2004-04-05T12:33:37+01:00", "utc": "2004-04-05T11:33:37Z", "ms": 1081164816937.7906 } }, "covered_min": 17, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:11 on Sun 4 Apr to 12:03 on Mon 5 Apr.", "fact": "2004-04-04T13:11:14Z → 2004-04-05T11:02:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 17 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1028 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Luanda, 2004: Monday 5 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chaitri-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-05", "confidence": "determinate" } ], "quote": "In Luanda, Caitrī Pūrṇimā 2004 falls on Monday 5 April. Pūrṇimā runs from 14:11 on Sun 4 Apr to 12:03 on Mon 5 Apr and covers 17 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/chaitri-purnima", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sankashta-chaturthi?on=2004-04-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15338, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-04-08T03:59:02+01:00", "utc": "2004-04-08T02:59:02Z", "ms": 1081393142248.4956 }, "end": { "local": "2004-04-09T01:10:06+01:00", "utc": "2004-04-09T00:10:06Z", "ms": 1081469405681.7521 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-08T03:59:02+01:00", "utc": "2004-04-08T02:59:02Z", "ms": 1081393142248.4956 }, "end": { "local": "2004-04-09T01:10:06+01:00", "utc": "2004-04-09T00:10:06Z", "ms": 1081469405681.7521 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-04-07", "window": { "start": { "local": "2004-04-07T20:00:07+01:00", "utc": "2004-04-07T19:00:07Z", "ms": 1081364406944.3014 }, "end": { "local": "2004-04-07T20:00:07+01:00", "utc": "2004-04-07T19:00:07Z", "ms": 1081364406944.3014 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-04-08", "window": { "start": { "local": "2004-04-08T20:54:28+01:00", "utc": "2004-04-08T19:54:28Z", "ms": 1081454067750.9614 }, "end": { "local": "2004-04-08T20:54:28+01:00", "utc": "2004-04-08T19:54:28Z", "ms": 1081454067750.9614 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:59 on Thu 8 Apr to 01:10 on Fri 9 Apr.", "fact": "2004-04-08T02:59:02Z → 2004-04-09T00:10:06Z" }, { "step": "kaala", "text": "Moonrise is at 20:00 on the 7th and 20:54 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15338 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2004: Thursday 8 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-08", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2004 falls on Thursday 8 April. Caturthī runs from 03:59 on Thu 8 Apr to 01:10 on Fri 9 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/sankashta-chaturthi?on=2004-04-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26532, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2004-04-13T13:32:19+01:00", "utc": "2004-04-13T12:32:19Z", "ms": 1081859539241.1885 }, "end": { "local": "2004-05-14T10:25:30+01:00", "utc": "2004-05-14T09:25:30Z", "ms": 1084526730015.0026 } }, "span": { "of": "transit", "start": { "local": "2004-04-13T13:32:19+01:00", "utc": "2004-04-13T12:32:19Z", "ms": 1081859539241.1885 }, "end": { "local": "2004-04-13T13:32:19+01:00", "utc": "2004-04-13T12:32:19Z", "ms": 1081859539241.1885 } }, "kaala": "day", "days": [ { "local_date": "2004-04-12", "window": { "start": { "local": "2004-04-12T06:10:09+01:00", "utc": "2004-04-12T05:10:09Z", "ms": 1081746608745.9119 }, "end": { "local": "2004-04-13T06:10:07+01:00", "utc": "2004-04-13T05:10:07Z", "ms": 1081833007144.1497 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2004-04-13", "window": { "start": { "local": "2004-04-13T06:10:07+01:00", "utc": "2004-04-13T05:10:07Z", "ms": 1081833007144.1497 }, "end": { "local": "2004-04-14T06:10:06+01:00", "utc": "2004-04-14T05:10:06Z", "ms": 1081919405812.0073 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 13:32 on Tue 13 Apr.", "fact": "2004-04-13T12:32:19Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 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 26532 s" }, { "step": "ruling", "text": "Vaiśākhī, Luanda, 2004: Tuesday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2004-04-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2004-04-13", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Luanda, Vaiśākhī 2004 falls on Tuesday 13 April. The Sun enters Meṣa at 13:32 on Tue 13 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/luanda/festivals/2004/vaishakhi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-04-15", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22949, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-04-14T13:13:57+01:00", "utc": "2004-04-14T12:13:57Z", "ms": 1081944837428.6091 }, "end": { "local": "2004-04-15T12:32:34+01:00", "utc": "2004-04-15T11:32:34Z", "ms": 1082028753893.4353 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-14T13:13:57+01:00", "utc": "2004-04-14T12:13:57Z", "ms": 1081944837428.6091 }, "end": { "local": "2004-04-15T12:32:34+01:00", "utc": "2004-04-15T11:32:34Z", "ms": 1082028753893.4353 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-04-14", "window": { "start": { "local": "2004-04-14T06:10:06+01:00", "utc": "2004-04-14T05:10:06Z", "ms": 1081919405812.0073 }, "end": { "local": "2004-04-14T06:10:06+01:00", "utc": "2004-04-14T05:10:06Z", "ms": 1081919405812.0073 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-04-15", "window": { "start": { "local": "2004-04-15T06:10:05+01:00", "utc": "2004-04-15T05:10:05Z", "ms": 1082005804760.6063 }, "end": { "local": "2004-04-15T06:10:05+01:00", "utc": "2004-04-15T05:10:05Z", "ms": 1082005804760.6063 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:14 on Wed 14 Apr to 12:33 on Thu 15 Apr.", "fact": "2004-04-14T12:13:57Z → 2004-04-15T11:32:34Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 14th and 06:10 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22949 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Luanda, 2004: Thursday 15 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-15", "confidence": "determinate" } ], "quote": "In Luanda, Varūthinī Ekādaśī 2004 falls on Thursday 15 April. Ekādaśī runs from 13:14 on Wed 14 Apr to 12:33 on Thu 15 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-04-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-04-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19928, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-04-16T12:17:53+01:00", "utc": "2004-04-16T11:17:53Z", "ms": 1082114272738.1708 }, "end": { "local": "2004-04-17T12:30:49+01:00", "utc": "2004-04-17T11:30:49Z", "ms": 1082201448563.443 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-16T12:17:53+01:00", "utc": "2004-04-16T11:17:53Z", "ms": 1082114272738.1708 }, "end": { "local": "2004-04-17T12:30:49+01:00", "utc": "2004-04-17T11:30:49Z", "ms": 1082201448563.443 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-04-16", "window": { "start": { "local": "2004-04-16T18:03:23+01:00", "utc": "2004-04-16T17:03:23Z", "ms": 1082135003347.3456 }, "end": { "local": "2004-04-16T19:40:17+01:00", "utc": "2004-04-16T18:40:17Z", "ms": 1082140816706.2699 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2004-04-17", "window": { "start": { "local": "2004-04-17T18:02:56+01:00", "utc": "2004-04-17T17:02:56Z", "ms": 1082221376373.2072 }, "end": { "local": "2004-04-17T19:39:53+01:00", "utc": "2004-04-17T18:39:53Z", "ms": 1082227193308.3466 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:18 on Fri 16 Apr to 12:31 on Sat 17 Apr.", "fact": "2004-04-16T11:17:53Z → 2004-04-17T11:30:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:40 on the 16th, 18:03–19:40 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 97 of 97 minutes on the 16th and 0 of 97 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 19928 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2004: Friday 16 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-16", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2004 falls on Friday 16 April. Trayodaśī runs from 12:18 on Fri 16 Apr to 12:31 on Sat 17 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-04-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shivaratri?on=2004-04-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37821, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-04-17T12:30:49+01:00", "utc": "2004-04-17T11:30:49Z", "ms": 1082201448563.443 }, "end": { "local": "2004-04-18T13:11:56+01:00", "utc": "2004-04-18T12:11:56Z", "ms": 1082290315922.4846 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-17T12:30:49+01:00", "utc": "2004-04-17T11:30:49Z", "ms": 1082201448563.443 }, "end": { "local": "2004-04-18T13:11:56+01:00", "utc": "2004-04-18T12:11:56Z", "ms": 1082290315922.4846 } }, "kaala": "nishita", "days": [ { "local_date": "2004-04-17", "window": { "start": { "local": "2004-04-17T23:42:30+01:00", "utc": "2004-04-17T22:42:30Z", "ms": 1082241749879.98 }, "end": { "local": "2004-04-18T00:30:30+01:00", "utc": "2004-04-17T23:30:30Z", "ms": 1082244629879.98 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-04-18", "window": { "start": { "local": "2004-04-18T23:42:17+01:00", "utc": "2004-04-18T22:42:17Z", "ms": 1082328136718.638 }, "end": { "local": "2004-04-19T00:30:17+01:00", "utc": "2004-04-18T23:30:17Z", "ms": 1082331016718.638 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:31 on Sat 17 Apr to 13:12 on Sun 18 Apr.", "fact": "2004-04-17T11:30:49Z → 2004-04-18T12:11:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 17th, 23:42–00:30 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 37821 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2004: Saturday 17 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-17", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2004 falls on Saturday 17 April. Caturdaśī runs from 12:31 on Sat 17 Apr to 13:12 on Sun 18 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/shivaratri?on=2004-04-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28249, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-04-21T17:57:57+01:00", "utc": "2004-04-21T16:57:57Z", "ms": 1082566676863.9208 }, "end": { "local": "2004-04-22T20:17:35+01:00", "utc": "2004-04-22T19:17:35Z", "ms": 1082661455173.0875 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-21T17:57:57+01:00", "utc": "2004-04-21T16:57:57Z", "ms": 1082566676863.9208 }, "end": { "local": "2004-04-22T20:17:35+01:00", "utc": "2004-04-22T19:17:35Z", "ms": 1082661455173.0875 } }, "kaala": "purvahna", "days": [ { "local_date": "2004-04-21", "window": { "start": { "local": "2004-04-21T06:10:05+01:00", "utc": "2004-04-21T05:10:05Z", "ms": 1082524204851.6909 }, "end": { "local": "2004-04-21T10:07:08+01:00", "utc": "2004-04-21T09:07:08Z", "ms": 1082538427732.8077 } }, "covered_min": 0, "window_min": 237, "qualifies": false }, { "local_date": "2004-04-22", "window": { "start": { "local": "2004-04-22T06:10:06+01:00", "utc": "2004-04-22T05:10:06Z", "ms": 1082610606002.8816 }, "end": { "local": "2004-04-22T10:07:00+01:00", "utc": "2004-04-22T09:07:00Z", "ms": 1082624820367.5397 } }, "covered_min": 237, "window_min": 237, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:58 on Wed 21 Apr to 20:18 on Thu 22 Apr.", "fact": "2004-04-21T16:57:57Z → 2004-04-22T19:17:35Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:10–10:07 on the 21st, 06:10–10:07 on the 22nd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 237 minutes on the 21st and 237 of 237 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28249 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Luanda, 2004: Thursday 22 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-22", "confidence": "determinate" } ], "quote": "In Luanda, Akṣaya Tṛtīyā 2004 falls on Thursday 22 April. Tṛtīyā runs from 17:58 on Wed 21 Apr to 20:18 on Thu 22 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/luanda/festivals/2004/akshaya-tritiya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-22", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 197, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-04-21T17:57:57+01:00", "utc": "2004-04-21T16:57:57Z", "ms": 1082566676863.9208 }, "end": { "local": "2004-04-22T20:17:35+01:00", "utc": "2004-04-22T19:17:35Z", "ms": 1082661455173.0875 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-21T17:57:57+01:00", "utc": "2004-04-21T16:57:57Z", "ms": 1082566676863.9208 }, "end": { "local": "2004-04-22T20:17:35+01:00", "utc": "2004-04-22T19:17:35Z", "ms": 1082661455173.0875 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-04-21", "window": { "start": { "local": "2004-04-21T18:01:13+01:00", "utc": "2004-04-21T17:01:13Z", "ms": 1082566873495.0413 }, "end": { "local": "2004-04-21T19:38:24+01:00", "utc": "2004-04-21T18:38:24Z", "ms": 1082572704496.0867 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2004-04-22", "window": { "start": { "local": "2004-04-22T18:00:49+01:00", "utc": "2004-04-22T17:00:49Z", "ms": 1082653249096.856 }, "end": { "local": "2004-04-22T19:38:04+01:00", "utc": "2004-04-22T18:38:04Z", "ms": 1082659083550.0275 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:58 on Wed 21 Apr to 20:18 on Thu 22 Apr.", "fact": "2004-04-21T16:57:57Z → 2004-04-22T19:17:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:38 on the 21st, 18:01–19:38 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 97 of 97 minutes on the 21st and 97 of 97 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both evenings qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 197 s < 300 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Luanda, 2004: Thursday 22 April.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-22", "confidence": "boundary" } ], "quote": "In Luanda, Paraśurāma Jayantī 2004 falls on Thursday 22 April. Tṛtīyā runs from 17:58 on Wed 21 Apr to 20:18 on Thu 22 Apr and covers all of pradoṣa that evening. It also reaches the previous evening for 97 minutes; by the rule the second evening is taken. It is 3 min 17 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2004/parashurama-jayanti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vinayaka-chaturthi?on=2004-04-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28088, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-04-22T20:17:35+01:00", "utc": "2004-04-22T19:17:35Z", "ms": 1082661455173.0875 }, "end": { "local": "2004-04-23T22:48:47+01:00", "utc": "2004-04-23T21:48:47Z", "ms": 1082756927441.8989 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-22T20:17:35+01:00", "utc": "2004-04-22T19:17:35Z", "ms": 1082661455173.0875 }, "end": { "local": "2004-04-23T22:48:47+01:00", "utc": "2004-04-23T21:48:47Z", "ms": 1082756927441.8989 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-04-22", "window": { "start": { "local": "2004-04-22T11:41:28+01:00", "utc": "2004-04-22T10:41:28Z", "ms": 1082630487549.8688 }, "end": { "local": "2004-04-22T12:29:28+01:00", "utc": "2004-04-22T11:29:28Z", "ms": 1082633367549.8688 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-04-23", "window": { "start": { "local": "2004-04-23T11:41:16+01:00", "utc": "2004-04-23T10:41:16Z", "ms": 1082716876374.3701 }, "end": { "local": "2004-04-23T12:29:16+01:00", "utc": "2004-04-23T11:29:16Z", "ms": 1082719756374.3701 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:18 on Thu 22 Apr to 22:49 on Fri 23 Apr.", "fact": "2004-04-22T19:17:35Z → 2004-04-23T21:48:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 22nd, 11:41–12:29 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 28088 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2004: Friday 23 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-23", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2004 falls on Friday 23 April. Caturthī runs from 20:18 on Thu 22 Apr to 22:49 on Fri 23 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vinayaka-chaturthi?on=2004-04-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37164, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-04-23T22:48:47+01:00", "utc": "2004-04-23T21:48:47Z", "ms": 1082756927441.8989 }, "end": { "local": "2004-04-25T01:21:31+01:00", "utc": "2004-04-25T00:21:31Z", "ms": 1082852491371.0292 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-23T22:48:47+01:00", "utc": "2004-04-23T21:48:47Z", "ms": 1082756927441.8989 }, "end": { "local": "2004-04-25T01:21:31+01:00", "utc": "2004-04-25T00:21:31Z", "ms": 1082852491371.0292 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-04-24", "window": { "start": { "local": "2004-04-24T11:41:06+01:00", "utc": "2004-04-24T10:41:06Z", "ms": 1082803265656.0372 }, "end": { "local": "2004-04-24T12:29:06+01:00", "utc": "2004-04-24T11:29:06Z", "ms": 1082806145656.0372 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-04-25", "window": { "start": { "local": "2004-04-25T11:40:55+01:00", "utc": "2004-04-25T10:40:55Z", "ms": 1082889655403.8545 }, "end": { "local": "2004-04-25T12:28:55+01:00", "utc": "2004-04-25T11:28:55Z", "ms": 1082892535403.8545 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:49 on Fri 23 Apr to 01:22 on Sun 25 Apr.", "fact": "2004-04-23T21:48:47Z → 2004-04-25T00:21:31Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37164 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Luanda, 2004: Saturday 24 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-24", "confidence": "determinate" } ], "quote": "In Luanda, Śaṅkara Jayantī 2004 falls on Saturday 24 April. Pañcamī runs from 22:49 on Fri 23 Apr to 01:22 on Sun 25 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/shankara-jayanti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21382, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-04-26T03:44:03+01:00", "utc": "2004-04-26T02:44:03Z", "ms": 1082947442667.5844 }, "end": { "local": "2004-04-27T05:44:14+01:00", "utc": "2004-04-27T04:44:14Z", "ms": 1083041054212.7664 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-26T03:44:03+01:00", "utc": "2004-04-26T02:44:03Z", "ms": 1082947442667.5844 }, "end": { "local": "2004-04-27T05:44:14+01:00", "utc": "2004-04-27T04:44:14Z", "ms": 1083041054212.7664 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-04-26", "window": { "start": { "local": "2004-04-26T11:40:46+01:00", "utc": "2004-04-26T10:40:46Z", "ms": 1082976045626.6353 }, "end": { "local": "2004-04-26T12:28:46+01:00", "utc": "2004-04-26T11:28:46Z", "ms": 1082978925626.6353 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-04-27", "window": { "start": { "local": "2004-04-27T11:40:36+01:00", "utc": "2004-04-27T10:40:36Z", "ms": 1083062436333.0406 }, "end": { "local": "2004-04-27T12:28:36+01:00", "utc": "2004-04-27T11:28:36Z", "ms": 1083065316333.0406 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:44 on Mon 26 Apr to 05:44 on Tue 27 Apr.", "fact": "2004-04-26T02:44:03Z → 2004-04-27T04:44:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 26th, 11:41–12:29 on the 27th.", "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 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 21382 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Luanda, 2004: Monday 26 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-04-26", "confidence": "determinate" } ], "quote": "In Luanda, Gaṅgotpatti (Ganga Saptami) 2004 falls on Monday 26 April. Saptamī runs from 03:44 on Mon 26 Apr to 05:44 on Tue 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/gangotpatti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-05-01", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3480, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-04-30T07:56:08+01:00", "utc": "2004-04-30T06:56:08Z", "ms": 1083308168347.1486 }, "end": { "local": "2004-05-01T07:08:32+01:00", "utc": "2004-05-01T06:08:32Z", "ms": 1083391712175.7961 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-04-30T07:56:08+01:00", "utc": "2004-04-30T06:56:08Z", "ms": 1083308168347.1486 }, "end": { "local": "2004-05-01T07:08:32+01:00", "utc": "2004-05-01T06:08:32Z", "ms": 1083391712175.7961 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-04-30", "window": { "start": { "local": "2004-04-30T06:10:28+01:00", "utc": "2004-04-30T05:10:28Z", "ms": 1083301827958.6647 }, "end": { "local": "2004-04-30T06:10:28+01:00", "utc": "2004-04-30T05:10:28Z", "ms": 1083301827958.6647 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-05-01", "window": { "start": { "local": "2004-05-01T06:10:32+01:00", "utc": "2004-05-01T05:10:32Z", "ms": 1083388232372.2422 }, "end": { "local": "2004-05-01T06:10:32+01:00", "utc": "2004-05-01T05:10:32Z", "ms": 1083388232372.2422 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:56 on Fri 30 Apr to 07:09 on Sat 1 May.", "fact": "2004-04-30T06:56:08Z → 2004-05-01T06:08:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 30th and 06:11 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3480 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Luanda, 2004: Saturday 1 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-01", "confidence": "determinate" } ], "quote": "In Luanda, Mohinī Ekādaśī 2004 falls on Saturday 1 May. Ekādaśī runs from 07:56 on Fri 30 Apr to 07:09 on Sat 1 May and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-05-01", "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/2004/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16292, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-05-01T07:08:32+01:00", "utc": "2004-05-01T06:08:32Z", "ms": 1083391712175.7961 }, "end": { "local": "2004-05-02T05:36:24+01:00", "utc": "2004-05-02T04:36:24Z", "ms": 1083472584322.5112 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-01T07:08:32+01:00", "utc": "2004-05-01T06:08:32Z", "ms": 1083391712175.7961 }, "end": { "local": "2004-05-02T05:36:24+01:00", "utc": "2004-05-02T04:36:24Z", "ms": 1083472584322.5112 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-01", "window": { "start": { "local": "2004-05-01T11:40:04+01:00", "utc": "2004-05-01T10:40:04Z", "ms": 1083408004165.8032 }, "end": { "local": "2004-05-01T12:28:04+01:00", "utc": "2004-05-01T11:28:04Z", "ms": 1083410884165.8032 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-05-02", "window": { "start": { "local": "2004-05-02T11:39:57+01:00", "utc": "2004-05-02T10:39:57Z", "ms": 1083494397419.2764 }, "end": { "local": "2004-05-02T12:27:57+01:00", "utc": "2004-05-02T11:27:57Z", "ms": 1083497277419.2764 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:09 on Sat 1 May to 05:36 on Sun 2 May.", "fact": "2004-05-01T06:08:32Z → 2004-05-02T04:36:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 1st, 11:40–12:28 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 16292 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Luanda, 2004: Saturday 1 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-01", "confidence": "determinate" } ], "quote": "In Luanda, Paraśurāma Dvādaśī 2004 falls on Saturday 1 May. Dvādaśī runs from 07:09 on Sat 1 May to 05:36 on Sun 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/parashurama-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16292, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-05-01T07:08:32+01:00", "utc": "2004-05-01T06:08:32Z", "ms": 1083391712175.7961 }, "end": { "local": "2004-05-02T05:36:24+01:00", "utc": "2004-05-02T04:36:24Z", "ms": 1083472584322.5112 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-01T07:08:32+01:00", "utc": "2004-05-01T06:08:32Z", "ms": 1083391712175.7961 }, "end": { "local": "2004-05-02T05:36:24+01:00", "utc": "2004-05-02T04:36:24Z", "ms": 1083472584322.5112 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-01", "window": { "start": { "local": "2004-05-01T11:40:04+01:00", "utc": "2004-05-01T10:40:04Z", "ms": 1083408004165.8032 }, "end": { "local": "2004-05-01T12:28:04+01:00", "utc": "2004-05-01T11:28:04Z", "ms": 1083410884165.8032 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-05-02", "window": { "start": { "local": "2004-05-02T11:39:57+01:00", "utc": "2004-05-02T10:39:57Z", "ms": 1083494397419.2764 }, "end": { "local": "2004-05-02T12:27:57+01:00", "utc": "2004-05-02T11:27:57Z", "ms": 1083497277419.2764 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:09 on Sat 1 May to 05:36 on Sun 2 May.", "fact": "2004-05-01T06:08:32Z → 2004-05-02T04:36:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 1st, 11:40–12:28 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 16292 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Luanda, 2004: Saturday 1 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-01", "confidence": "determinate" } ], "quote": "In Luanda, Rukmiṇī Dvādaśī 2004 falls on Saturday 1 May. Dvādaśī runs from 07:09 on Sat 1 May to 05:36 on Sun 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/rukmini-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-05-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28190, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-05-02T05:36:24+01:00", "utc": "2004-05-02T04:36:24Z", "ms": 1083472584322.5112 }, "end": { "local": "2004-05-03T03:24:55+01:00", "utc": "2004-05-03T02:24:55Z", "ms": 1083551095200.2753 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-02T05:36:24+01:00", "utc": "2004-05-02T04:36:24Z", "ms": 1083472584322.5112 }, "end": { "local": "2004-05-03T03:24:55+01:00", "utc": "2004-05-03T02:24:55Z", "ms": 1083551095200.2753 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-05-01", "window": { "start": { "local": "2004-05-01T17:57:36+01:00", "utc": "2004-05-01T16:57:36Z", "ms": 1083430655959.3644 }, "end": { "local": "2004-05-01T19:35:20+01:00", "utc": "2004-05-01T18:35:20Z", "ms": 1083436520121.245 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2004-05-02", "window": { "start": { "local": "2004-05-02T17:57:18+01:00", "utc": "2004-05-02T16:57:18Z", "ms": 1083517037665.0836 }, "end": { "local": "2004-05-02T19:35:05+01:00", "utc": "2004-05-02T18:35:05Z", "ms": 1083522904958.8323 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:36 on Sun 2 May to 03:25 on Mon 3 May.", "fact": "2004-05-02T04:36:24Z → 2004-05-03T02:24:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:35 on the 1st, 17:57–19:35 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 98 minutes on the 1st and 98 of 98 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 28190 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2004: Sunday 2 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-02", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2004 falls on Sunday 2 May. Trayodaśī runs from 05:36 on Sun 2 May to 03:25 on Mon 3 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-05-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18380, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-05-03T03:24:55+01:00", "utc": "2004-05-03T02:24:55Z", "ms": 1083551095200.2753 }, "end": { "local": "2004-05-04T00:41:10+01:00", "utc": "2004-05-03T23:41:10Z", "ms": 1083627669950.0184 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-03T03:24:55+01:00", "utc": "2004-05-03T02:24:55Z", "ms": 1083551095200.2753 }, "end": { "local": "2004-05-04T00:41:10+01:00", "utc": "2004-05-03T23:41:10Z", "ms": 1083627669950.0184 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-05-02", "window": { "start": { "local": "2004-05-02T17:57:18+01:00", "utc": "2004-05-02T16:57:18Z", "ms": 1083517037665.0836 }, "end": { "local": "2004-05-02T19:35:05+01:00", "utc": "2004-05-02T18:35:05Z", "ms": 1083522904958.8323 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2004-05-03", "window": { "start": { "local": "2004-05-03T17:57:00+01:00", "utc": "2004-05-03T16:57:00Z", "ms": 1083603420050.3239 }, "end": { "local": "2004-05-03T19:34:50+01:00", "utc": "2004-05-03T18:34:50Z", "ms": 1083609290438.626 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:25 on Mon 3 May to 00:41 on Tue 4 May.", "fact": "2004-05-03T02:24:55Z → 2004-05-03T23:41:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:35 on the 2nd, 17:57–19:35 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 2nd and 98 of 98 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18380 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Luanda, 2004: Monday 3 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-03", "confidence": "determinate" } ], "quote": "In Luanda, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2004 falls on Monday 3 May. Caturdaśī runs from 03:25 on Mon 3 May to 00:41 on Tue 4 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/nrisimha-chaturdashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32741, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-05-04T00:41:10+01:00", "utc": "2004-05-03T23:41:10Z", "ms": 1083627669950.0184 }, "end": { "local": "2004-05-04T21:33:27+01:00", "utc": "2004-05-04T20:33:27Z", "ms": 1083702806612.8502 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-04T00:41:10+01:00", "utc": "2004-05-03T23:41:10Z", "ms": 1083627669950.0184 }, "end": { "local": "2004-05-04T21:33:27+01:00", "utc": "2004-05-04T20:33:27Z", "ms": 1083702806612.8502 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-03", "window": { "start": { "local": "2004-05-03T11:39:51+01:00", "utc": "2004-05-03T10:39:51Z", "ms": 1083580791209.261 }, "end": { "local": "2004-05-03T12:27:51+01:00", "utc": "2004-05-03T11:27:51Z", "ms": 1083583671209.261 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-05-04", "window": { "start": { "local": "2004-05-04T11:39:46+01:00", "utc": "2004-05-04T10:39:46Z", "ms": 1083667185545.4636 }, "end": { "local": "2004-05-04T12:27:46+01:00", "utc": "2004-05-04T11:27:46Z", "ms": 1083670065545.4636 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:41 on Tue 4 May to 21:33 on Tue 4 May.", "fact": "2004-05-03T23:41:10Z → 2004-05-04T20:33:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 3rd, 11:40–12:28 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32741 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Luanda, 2004: Tuesday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-04", "confidence": "determinate" } ], "quote": "In Luanda, Buddha Pūrṇimā 2004 falls on Tuesday 4 May. Pūrṇimā runs from 00:41 on Tue 4 May to 21:33 on Tue 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/buddha-purnima", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32741, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-05-04T00:41:10+01:00", "utc": "2004-05-03T23:41:10Z", "ms": 1083627669950.0184 }, "end": { "local": "2004-05-04T21:33:27+01:00", "utc": "2004-05-04T20:33:27Z", "ms": 1083702806612.8502 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-04T00:41:10+01:00", "utc": "2004-05-03T23:41:10Z", "ms": 1083627669950.0184 }, "end": { "local": "2004-05-04T21:33:27+01:00", "utc": "2004-05-04T20:33:27Z", "ms": 1083702806612.8502 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-03", "window": { "start": { "local": "2004-05-03T11:39:51+01:00", "utc": "2004-05-03T10:39:51Z", "ms": 1083580791209.261 }, "end": { "local": "2004-05-03T12:27:51+01:00", "utc": "2004-05-03T11:27:51Z", "ms": 1083583671209.261 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-05-04", "window": { "start": { "local": "2004-05-04T11:39:46+01:00", "utc": "2004-05-04T10:39:46Z", "ms": 1083667185545.4636 }, "end": { "local": "2004-05-04T12:27:46+01:00", "utc": "2004-05-04T11:27:46Z", "ms": 1083670065545.4636 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:41 on Tue 4 May to 21:33 on Tue 4 May.", "fact": "2004-05-03T23:41:10Z → 2004-05-04T20:33:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 3rd, 11:40–12:28 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32741 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Luanda, 2004: Tuesday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-04", "confidence": "determinate" } ], "quote": "In Luanda, Sampat Gaurī Vrata 2004 falls on Tuesday 4 May. Pūrṇimā runs from 00:41 on Tue 4 May to 21:33 on Tue 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/sampat-gauri-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sankashta-chaturthi?on=2004-05-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33945, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-05-07T11:16:51+01:00", "utc": "2004-05-07T10:16:51Z", "ms": 1083925010712.7275 }, "end": { "local": "2004-05-08T08:03:27+01:00", "utc": "2004-05-08T07:03:27Z", "ms": 1083999806521.3322 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-07T11:16:51+01:00", "utc": "2004-05-07T10:16:51Z", "ms": 1083925010712.7275 }, "end": { "local": "2004-05-08T08:03:27+01:00", "utc": "2004-05-08T07:03:27Z", "ms": 1083999806521.3322 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-05-07", "window": { "start": { "local": "2004-05-07T20:42:35+01:00", "utc": "2004-05-07T19:42:35Z", "ms": 1083958955461.375 }, "end": { "local": "2004-05-07T20:42:35+01:00", "utc": "2004-05-07T19:42:35Z", "ms": 1083958955461.375 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-05-08", "window": { "start": { "local": "2004-05-08T21:47:39+01:00", "utc": "2004-05-08T20:47:39Z", "ms": 1084049259165.9335 }, "end": { "local": "2004-05-08T21:47:39+01:00", "utc": "2004-05-08T20:47:39Z", "ms": 1084049259165.9335 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:17 on Fri 7 May to 08:03 on Sat 8 May.", "fact": "2004-05-07T10:16:51Z → 2004-05-08T07:03:27Z" }, { "step": "kaala", "text": "Moonrise is at 20:43 on the 7th and 21:48 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33945 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2004: Friday 7 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-07", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2004 falls on Friday 7 May. Caturthī runs from 11:17 on Fri 7 May to 08:03 on Sat 8 May and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/sankashta-chaturthi?on=2004-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-05-14", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25060, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-05-13T22:43:35+01:00", "utc": "2004-05-13T21:43:35Z", "ms": 1084484614733.133 }, "end": { "local": "2004-05-14T23:14:37+01:00", "utc": "2004-05-14T22:14:37Z", "ms": 1084572876590.7256 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-13T22:43:35+01:00", "utc": "2004-05-13T21:43:35Z", "ms": 1084484614733.133 }, "end": { "local": "2004-05-14T23:14:37+01:00", "utc": "2004-05-14T22:14:37Z", "ms": 1084572876590.7256 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-05-14", "window": { "start": { "local": "2004-05-14T06:12:07+01:00", "utc": "2004-05-14T05:12:07Z", "ms": 1084511526774.1931 }, "end": { "local": "2004-05-14T06:12:07+01:00", "utc": "2004-05-14T05:12:07Z", "ms": 1084511526774.1931 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-05-15", "window": { "start": { "local": "2004-05-15T06:12:17+01:00", "utc": "2004-05-15T05:12:17Z", "ms": 1084597936922.5077 }, "end": { "local": "2004-05-15T06:12:17+01:00", "utc": "2004-05-15T05:12:17Z", "ms": 1084597936922.5077 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:44 on Thu 13 May to 23:15 on Fri 14 May.", "fact": "2004-05-13T21:43:35Z → 2004-05-14T22:14:37Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 14th and 06:12 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 25060 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Luanda, 2004: Friday 14 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-14", "confidence": "determinate" } ], "quote": "In Luanda, Aparā Ekādaśī 2004 falls on Friday 14 May. Ekādaśī runs from 22:44 on Thu 13 May to 23:15 on Fri 14 May and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-05-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-05-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17077, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-05-16T00:17:27+01:00", "utc": "2004-05-15T23:17:27Z", "ms": 1084663047420.4402 }, "end": { "local": "2004-05-17T01:47:50+01:00", "utc": "2004-05-17T00:47:50Z", "ms": 1084754869863.705 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-16T00:17:27+01:00", "utc": "2004-05-15T23:17:27Z", "ms": 1084663047420.4402 }, "end": { "local": "2004-05-17T01:47:50+01:00", "utc": "2004-05-17T00:47:50Z", "ms": 1084754869863.705 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-05-15", "window": { "start": { "local": "2004-05-15T17:54:26+01:00", "utc": "2004-05-15T16:54:26Z", "ms": 1084640065777.6577 }, "end": { "local": "2004-05-15T19:32:50+01:00", "utc": "2004-05-15T18:32:50Z", "ms": 1084645970001.6316 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2004-05-16", "window": { "start": { "local": "2004-05-16T17:54:18+01:00", "utc": "2004-05-16T16:54:18Z", "ms": 1084726457880.1759 }, "end": { "local": "2004-05-16T19:32:45+01:00", "utc": "2004-05-16T18:32:45Z", "ms": 1084732364611.8787 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:17 on Sun 16 May to 01:48 on Mon 17 May.", "fact": "2004-05-15T23:17:27Z → 2004-05-17T00:47:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:33 on the 15th, 17:54–19:33 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 98 minutes on the 15th and 98 of 98 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 17077 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2004: Sunday 16 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-16", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2004 falls on Sunday 16 May. Trayodaśī runs from 00:17 on Sun 16 May to 01:48 on Mon 17 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-05-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shivaratri?on=2004-05-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4822, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-05-17T01:47:50+01:00", "utc": "2004-05-17T00:47:50Z", "ms": 1084754869863.705 }, "end": { "local": "2004-05-18T03:40:59+01:00", "utc": "2004-05-18T02:40:59Z", "ms": 1084848059143.1625 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-17T01:47:50+01:00", "utc": "2004-05-17T00:47:50Z", "ms": 1084754869863.705 }, "end": { "local": "2004-05-18T03:40:59+01:00", "utc": "2004-05-18T02:40:59Z", "ms": 1084848059143.1625 } }, "kaala": "nishita", "days": [ { "local_date": "2004-05-16", "window": { "start": { "local": "2004-05-16T23:39:28+01:00", "utc": "2004-05-16T22:39:28Z", "ms": 1084747168124.0613 }, "end": { "local": "2004-05-17T00:27:28+01:00", "utc": "2004-05-16T23:27:28Z", "ms": 1084750048124.0613 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-05-17", "window": { "start": { "local": "2004-05-17T23:39:30+01:00", "utc": "2004-05-17T22:39:30Z", "ms": 1084833570195.9634 }, "end": { "local": "2004-05-18T00:27:30+01:00", "utc": "2004-05-17T23:27:30Z", "ms": 1084836450195.9634 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:48 on Mon 17 May to 03:41 on Tue 18 May.", "fact": "2004-05-17T00:47:50Z → 2004-05-18T02:40:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 16th, 23:40–00:28 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 4822 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2004: Monday 17 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-17", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2004 falls on Monday 17 May. Caturdaśī runs from 01:48 on Mon 17 May to 03:41 on Tue 18 May and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/shivaratri?on=2004-05-17", "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/2004/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2911, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-05-21T10:45:44+01:00", "utc": "2004-05-21T09:45:44Z", "ms": 1085132744258.7557 }, "end": { "local": "2004-05-22T13:16:13+01:00", "utc": "2004-05-22T12:16:13Z", "ms": 1085228173198.6891 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-21T10:45:44+01:00", "utc": "2004-05-21T09:45:44Z", "ms": 1085132744258.7557 }, "end": { "local": "2004-05-22T13:16:13+01:00", "utc": "2004-05-22T12:16:13Z", "ms": 1085228173198.6891 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-21", "window": { "start": { "local": "2004-05-21T11:39:38+01:00", "utc": "2004-05-21T10:39:38Z", "ms": 1085135977659.794 }, "end": { "local": "2004-05-21T12:27:38+01:00", "utc": "2004-05-21T11:27:38Z", "ms": 1085138857659.794 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-05-22", "window": { "start": { "local": "2004-05-22T11:39:42+01:00", "utc": "2004-05-22T10:39:42Z", "ms": 1085222382268.487 }, "end": { "local": "2004-05-22T12:27:42+01:00", "utc": "2004-05-22T11:27:42Z", "ms": 1085225262268.487 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 10:46 on Fri 21 May to 13:16 on Sat 22 May.", "fact": "2004-05-21T09:45:44Z → 2004-05-22T12:16:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 21st, 11:40–12:28 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 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 2911 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Luanda, 2004: Friday 21 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-21", "confidence": "boundary" } ], "quote": "In Luanda, Rambhā Tṛtīyā 2004 falls on Friday 21 May. Tṛtīyā runs from 10:46 on Fri 21 May to 13:16 on Sat 22 May and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/luanda/festivals/2004/rambha-tritiya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vinayaka-chaturthi?on=2004-05-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2911, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-05-22T13:16:13+01:00", "utc": "2004-05-22T12:16:13Z", "ms": 1085228173198.6891 }, "end": { "local": "2004-05-23T15:39:16+01:00", "utc": "2004-05-23T14:39:16Z", "ms": 1085323156048.0769 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-22T13:16:13+01:00", "utc": "2004-05-22T12:16:13Z", "ms": 1085228173198.6891 }, "end": { "local": "2004-05-23T15:39:16+01:00", "utc": "2004-05-23T14:39:16Z", "ms": 1085323156048.0769 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-22", "window": { "start": { "local": "2004-05-22T11:39:42+01:00", "utc": "2004-05-22T10:39:42Z", "ms": 1085222382268.487 }, "end": { "local": "2004-05-22T12:27:42+01:00", "utc": "2004-05-22T11:27:42Z", "ms": 1085225262268.487 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-05-23", "window": { "start": { "local": "2004-05-23T11:39:47+01:00", "utc": "2004-05-23T10:39:47Z", "ms": 1085308787387.5266 }, "end": { "local": "2004-05-23T12:27:47+01:00", "utc": "2004-05-23T11:27:47Z", "ms": 1085311667387.5266 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:16 on Sat 22 May to 15:39 on Sun 23 May.", "fact": "2004-05-22T12:16:13Z → 2004-05-23T14:39:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 22nd, 11:40–12:28 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 2911 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2004: Sunday 23 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-23", "confidence": "boundary" } ], "quote": "In Luanda, Vināyaka Caturthī 2004 falls on Sunday 23 May. Caturthī runs from 13:16 on Sat 22 May to 15:39 on Sun 23 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vinayaka-chaturthi?on=2004-05-23", "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/2004/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19107, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-05-24T17:46:20+01:00", "utc": "2004-05-24T16:46:20Z", "ms": 1085417180411.4386 }, "end": { "local": "2004-05-25T19:28:31+01:00", "utc": "2004-05-25T18:28:31Z", "ms": 1085509710583.4672 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-24T17:46:20+01:00", "utc": "2004-05-24T16:46:20Z", "ms": 1085417180411.4386 }, "end": { "local": "2004-05-25T19:28:31+01:00", "utc": "2004-05-25T18:28:31Z", "ms": 1085509710583.4672 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-24", "window": { "start": { "local": "2004-05-24T11:39:53+01:00", "utc": "2004-05-24T10:39:53Z", "ms": 1085395193004.3657 }, "end": { "local": "2004-05-24T12:27:53+01:00", "utc": "2004-05-24T11:27:53Z", "ms": 1085398073004.3657 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-05-25", "window": { "start": { "local": "2004-05-25T11:39:59+01:00", "utc": "2004-05-25T10:39:59Z", "ms": 1085481599105.9974 }, "end": { "local": "2004-05-25T12:27:59+01:00", "utc": "2004-05-25T11:27:59Z", "ms": 1085484479105.9974 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:46 on Mon 24 May to 19:29 on Tue 25 May.", "fact": "2004-05-24T16:46:20Z → 2004-05-25T18:28:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19107 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Luanda, 2004: Tuesday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-25", "confidence": "determinate" } ], "quote": "In Luanda, Araṇya Gaurī Vrata 2004 falls on Tuesday 25 May. Ṣaṣṭhī runs from 17:46 on Mon 24 May to 19:29 on Tue 25 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/aranya-gauri-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19107, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-05-24T17:46:20+01:00", "utc": "2004-05-24T16:46:20Z", "ms": 1085417180411.4386 }, "end": { "local": "2004-05-25T19:28:31+01:00", "utc": "2004-05-25T18:28:31Z", "ms": 1085509710583.4672 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-24T17:46:20+01:00", "utc": "2004-05-24T16:46:20Z", "ms": 1085417180411.4386 }, "end": { "local": "2004-05-25T19:28:31+01:00", "utc": "2004-05-25T18:28:31Z", "ms": 1085509710583.4672 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-24", "window": { "start": { "local": "2004-05-24T11:39:53+01:00", "utc": "2004-05-24T10:39:53Z", "ms": 1085395193004.3657 }, "end": { "local": "2004-05-24T12:27:53+01:00", "utc": "2004-05-24T11:27:53Z", "ms": 1085398073004.3657 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-05-25", "window": { "start": { "local": "2004-05-25T11:39:59+01:00", "utc": "2004-05-25T10:39:59Z", "ms": 1085481599105.9974 }, "end": { "local": "2004-05-25T12:27:59+01:00", "utc": "2004-05-25T11:27:59Z", "ms": 1085484479105.9974 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:46 on Mon 24 May to 19:29 on Tue 25 May.", "fact": "2004-05-24T16:46:20Z → 2004-05-25T18:28:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19107 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Luanda, 2004: Tuesday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-25", "confidence": "determinate" } ], "quote": "In Luanda, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2004 falls on Tuesday 25 May. Ṣaṣṭhī runs from 17:46 on Mon 24 May to 19:29 on Tue 25 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/skanda-shashthi-jyaishtha", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-05-30", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37678, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-05-29T19:47:30+01:00", "utc": "2004-05-29T18:47:30Z", "ms": 1085856450138.8689 }, "end": { "local": "2004-05-30T18:00:25+01:00", "utc": "2004-05-30T17:00:25Z", "ms": 1085936425301.4324 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-29T19:47:30+01:00", "utc": "2004-05-29T18:47:30Z", "ms": 1085856450138.8689 }, "end": { "local": "2004-05-30T18:00:25+01:00", "utc": "2004-05-30T17:00:25Z", "ms": 1085936425301.4324 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-05-30", "window": { "start": { "local": "2004-05-30T06:15:28+01:00", "utc": "2004-05-30T05:15:28Z", "ms": 1085894127756.9359 }, "end": { "local": "2004-05-30T06:15:28+01:00", "utc": "2004-05-30T05:15:28Z", "ms": 1085894127756.9359 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-05-31", "window": { "start": { "local": "2004-05-31T06:15:42+01:00", "utc": "2004-05-31T05:15:42Z", "ms": 1085980542326.896 }, "end": { "local": "2004-05-31T06:15:42+01:00", "utc": "2004-05-31T05:15:42Z", "ms": 1085980542326.896 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:48 on Sat 29 May to 18:00 on Sun 30 May.", "fact": "2004-05-29T18:47:30Z → 2004-05-30T17:00:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:15 on the 30th and 06:16 on the 31st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 31st.", "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 37678 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Luanda, 2004: Sunday 30 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-30", "confidence": "determinate" } ], "quote": "In Luanda, Nirjalā Ekādaśī 2004 falls on Sunday 30 May. Ekādaśī runs from 19:48 on Sat 29 May to 18:00 on Sun 30 May and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-05-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11045, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-05-30T18:00:25+01:00", "utc": "2004-05-30T17:00:25Z", "ms": 1085936425301.4324 }, "end": { "local": "2004-05-31T15:32:50+01:00", "utc": "2004-05-31T14:32:50Z", "ms": 1086013969923.5846 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-30T18:00:25+01:00", "utc": "2004-05-30T17:00:25Z", "ms": 1085936425301.4324 }, "end": { "local": "2004-05-31T15:32:50+01:00", "utc": "2004-05-31T14:32:50Z", "ms": 1086013969923.5846 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-05-30", "window": { "start": { "local": "2004-05-30T11:40:36+01:00", "utc": "2004-05-30T10:40:36Z", "ms": 1085913636411.0266 }, "end": { "local": "2004-05-30T12:28:36+01:00", "utc": "2004-05-30T11:28:36Z", "ms": 1085916516411.0266 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-05-31", "window": { "start": { "local": "2004-05-31T11:40:45+01:00", "utc": "2004-05-31T10:40:45Z", "ms": 1086000045136.1755 }, "end": { "local": "2004-05-31T12:28:45+01:00", "utc": "2004-05-31T11:28:45Z", "ms": 1086002925136.1755 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:00 on Sun 30 May to 15:33 on Mon 31 May.", "fact": "2004-05-30T17:00:25Z → 2004-05-31T14:32:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 30th, 11:41–12:29 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 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: purvaviddha → only-day · margin 11045 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Luanda, 2004: Monday 31 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-31", "confidence": "determinate" } ], "quote": "In Luanda, Śrī Rāma Dvādaśī 2004 falls on Monday 31 May. Dvādaśī runs from 18:00 on Sun 30 May to 15:33 on Mon 31 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/shri-rama-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-05-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8458, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-05-31T15:32:50+01:00", "utc": "2004-05-31T14:32:50Z", "ms": 1086013969923.5846 }, "end": { "local": "2004-06-01T12:31:12+01:00", "utc": "2004-06-01T11:31:12Z", "ms": 1086089472053.1819 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-05-31T15:32:50+01:00", "utc": "2004-05-31T14:32:50Z", "ms": 1086013969923.5846 }, "end": { "local": "2004-06-01T12:31:12+01:00", "utc": "2004-06-01T11:31:12Z", "ms": 1086089472053.1819 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-05-31", "window": { "start": { "local": "2004-05-31T17:53:48+01:00", "utc": "2004-05-31T16:53:48Z", "ms": 1086022427945.455 }, "end": { "local": "2004-05-31T19:32:45+01:00", "utc": "2004-05-31T18:32:45Z", "ms": 1086028365157.0522 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2004-06-01", "window": { "start": { "local": "2004-06-01T17:53:51+01:00", "utc": "2004-06-01T16:53:51Z", "ms": 1086108831471.5713 }, "end": { "local": "2004-06-01T19:32:50+01:00", "utc": "2004-06-01T18:32:50Z", "ms": 1086114770189.7635 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:33 on Mon 31 May to 12:31 on Tue 1 Jun.", "fact": "2004-05-31T14:32:50Z → 2004-06-01T11:31:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:33 on the 31st, 17:54–19:33 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 99 of 99 minutes on the 31st and 0 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 8458 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2004: Monday 31 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-05-31", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2004 falls on Monday 31 May. Trayodaśī runs from 15:33 on Mon 31 May to 12:31 on Tue 1 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-05-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31815, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-06-02T09:03:41+01:00", "utc": "2004-06-02T08:03:41Z", "ms": 1086163420637.6702 }, "end": { "local": "2004-06-03T05:19:35+01:00", "utc": "2004-06-03T04:19:35Z", "ms": 1086236374611.9591 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-02T09:03:41+01:00", "utc": "2004-06-02T08:03:41Z", "ms": 1086163420637.6702 }, "end": { "local": "2004-06-03T05:19:35+01:00", "utc": "2004-06-03T04:19:35Z", "ms": 1086236374611.9591 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-06-02", "window": { "start": { "local": "2004-06-02T17:53:56+01:00", "utc": "2004-06-02T16:53:56Z", "ms": 1086195235634.6084 }, "end": { "local": "2004-06-02T19:32:56+01:00", "utc": "2004-06-02T18:32:56Z", "ms": 1086201175788.5708 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2004-06-03", "window": { "start": { "local": "2004-06-03T17:54:00+01:00", "utc": "2004-06-03T16:54:00Z", "ms": 1086281640425.5576 }, "end": { "local": "2004-06-03T19:33:02+01:00", "utc": "2004-06-03T18:33:02Z", "ms": 1086287581943.6843 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:04 on Wed 2 Jun to 05:20 on Thu 3 Jun.", "fact": "2004-06-02T08:03:41Z → 2004-06-03T04:19:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:33 on the 2nd, 17:54–19:33 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 99 of 99 minutes on the 2nd and 0 of 99 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31815 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Luanda, 2004: Wednesday 2 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vata-savitri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-02", "confidence": "determinate" } ], "quote": "In Luanda, Vaṭa Sāvitrī Vrata 2004 falls on Wednesday 2 June. Pūrṇimā runs from 09:04 on Wed 2 Jun to 05:20 on Thu 3 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/vata-savitri-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sankashta-chaturthi?on=2004-06-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8776, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-06-05T18:09:31+01:00", "utc": "2004-06-05T17:09:31Z", "ms": 1086455371389.6495 }, "end": { "local": "2004-06-06T15:00:58+01:00", "utc": "2004-06-06T14:00:58Z", "ms": 1086530457549.5923 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-05T18:09:31+01:00", "utc": "2004-06-05T17:09:31Z", "ms": 1086455371389.6495 }, "end": { "local": "2004-06-06T15:00:58+01:00", "utc": "2004-06-06T14:00:58Z", "ms": 1086530457549.5923 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-06-05", "window": { "start": { "local": "2004-06-05T20:35:48+01:00", "utc": "2004-06-05T19:35:48Z", "ms": 1086464147673.589 }, "end": { "local": "2004-06-05T20:35:48+01:00", "utc": "2004-06-05T19:35:48Z", "ms": 1086464147673.589 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-06-06", "window": { "start": { "local": "2004-06-06T21:39:55+01:00", "utc": "2004-06-06T20:39:55Z", "ms": 1086554394995.5673 }, "end": { "local": "2004-06-06T21:39:55+01:00", "utc": "2004-06-06T20:39:55Z", "ms": 1086554394995.5673 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:10 on Sat 5 Jun to 15:01 on Sun 6 Jun.", "fact": "2004-06-05T17:09:31Z → 2004-06-06T14:00:58Z" }, { "step": "kaala", "text": "Moonrise is at 20:36 on the 5th and 21:40 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8776 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2004: Saturday 5 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-05", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2004 falls on Saturday 5 June. Caturthī runs from 18:10 on Sat 5 Jun to 15:01 on Sun 6 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/sankashta-chaturthi?on=2004-06-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-06-13", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14711, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-06-12T10:23:55+01:00", "utc": "2004-06-12T09:23:55Z", "ms": 1087032234540.4553 }, "end": { "local": "2004-06-13T12:02:21+01:00", "utc": "2004-06-13T11:02:21Z", "ms": 1087124540950.391 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-12T10:23:55+01:00", "utc": "2004-06-12T09:23:55Z", "ms": 1087032234540.4553 }, "end": { "local": "2004-06-13T12:02:21+01:00", "utc": "2004-06-13T11:02:21Z", "ms": 1087124540950.391 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-06-12", "window": { "start": { "local": "2004-06-12T06:18:43+01:00", "utc": "2004-06-12T05:18:43Z", "ms": 1087017523128.3774 }, "end": { "local": "2004-06-12T06:18:43+01:00", "utc": "2004-06-12T05:18:43Z", "ms": 1087017523128.3774 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-06-13", "window": { "start": { "local": "2004-06-13T06:18:58+01:00", "utc": "2004-06-13T05:18:58Z", "ms": 1087103938112.0332 }, "end": { "local": "2004-06-13T06:18:58+01:00", "utc": "2004-06-13T05:18:58Z", "ms": 1087103938112.0332 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:24 on Sat 12 Jun to 12:02 on Sun 13 Jun.", "fact": "2004-06-12T09:23:55Z → 2004-06-13T11:02:21Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 12th and 06:19 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 14711 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Luanda, 2004: Sunday 13 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-13", "confidence": "determinate" } ], "quote": "In Luanda, Yoginī Ekādaśī 2004 falls on Sunday 13 June. Ekādaśī runs from 10:24 on Sat 12 Jun to 12:02 on Sun 13 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-06-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-06-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5321, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-06-14T14:06:21+01:00", "utc": "2004-06-14T13:06:21Z", "ms": 1087218381227.603 }, "end": { "local": "2004-06-15T16:27:01+01:00", "utc": "2004-06-15T15:27:01Z", "ms": 1087313221061.7688 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-14T14:06:21+01:00", "utc": "2004-06-14T13:06:21Z", "ms": 1087218381227.603 }, "end": { "local": "2004-06-15T16:27:01+01:00", "utc": "2004-06-15T15:27:01Z", "ms": 1087313221061.7688 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-06-14", "window": { "start": { "local": "2004-06-14T17:55:31+01:00", "utc": "2004-06-14T16:55:31Z", "ms": 1087232130909.965 }, "end": { "local": "2004-06-14T19:34:42+01:00", "utc": "2004-06-14T18:34:42Z", "ms": 1087238082479.793 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2004-06-15", "window": { "start": { "local": "2004-06-15T17:55:42+01:00", "utc": "2004-06-15T16:55:42Z", "ms": 1087318542100.5193 }, "end": { "local": "2004-06-15T19:34:54+01:00", "utc": "2004-06-15T18:34:54Z", "ms": 1087324494116.0863 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:06 on Mon 14 Jun to 16:27 on Tue 15 Jun.", "fact": "2004-06-14T13:06:21Z → 2004-06-15T15:27:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:56–19:35 on the 14th, 17:56–19:35 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 99 of 99 minutes on the 14th and 0 of 99 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 5321 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2004: Monday 14 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-14", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2004 falls on Monday 14 June. Trayodaśī runs from 14:06 on Mon 14 Jun to 16:27 on Tue 15 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shivaratri?on=2004-06-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17266, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-06-15T16:27:01+01:00", "utc": "2004-06-15T15:27:01Z", "ms": 1087313221061.7688 }, "end": { "local": "2004-06-16T18:56:09+01:00", "utc": "2004-06-16T17:56:09Z", "ms": 1087408569177.1553 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-15T16:27:01+01:00", "utc": "2004-06-15T15:27:01Z", "ms": 1087313221061.7688 }, "end": { "local": "2004-06-16T18:56:09+01:00", "utc": "2004-06-16T17:56:09Z", "ms": 1087408569177.1553 } }, "kaala": "nishita", "days": [ { "local_date": "2004-06-15", "window": { "start": { "local": "2004-06-15T23:43:42+01:00", "utc": "2004-06-15T22:43:42Z", "ms": 1087339422158.8955 }, "end": { "local": "2004-06-16T00:31:42+01:00", "utc": "2004-06-15T23:31:42Z", "ms": 1087342302158.8955 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-06-16", "window": { "start": { "local": "2004-06-16T23:43:55+01:00", "utc": "2004-06-16T22:43:55Z", "ms": 1087425835116.1721 }, "end": { "local": "2004-06-17T00:31:55+01:00", "utc": "2004-06-16T23:31:55Z", "ms": 1087428715116.1721 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:27 on Tue 15 Jun to 18:56 on Wed 16 Jun.", "fact": "2004-06-15T15:27:01Z → 2004-06-16T17:56:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 15th, 23:44–00:32 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 17266 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2004: Tuesday 15 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-15", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2004 falls on Tuesday 15 June. Caturdaśī runs from 16:27 on Tue 15 Jun to 18:56 on Wed 16 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/shivaratri?on=2004-06-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34470, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2004-06-18T23:53:08+01:00", "utc": "2004-06-18T22:53:08Z", "ms": 1087599188278.6367 }, "end": { "local": "2004-06-20T02:10:11+01:00", "utc": "2004-06-20T01:10:11Z", "ms": 1087693810734.0426 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-18T23:53:08+01:00", "utc": "2004-06-18T22:53:08Z", "ms": 1087599188278.6367 }, "end": { "local": "2004-06-20T02:10:11+01:00", "utc": "2004-06-20T01:10:11Z", "ms": 1087693810734.0426 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-06-19", "window": { "start": { "local": "2004-06-19T11:44:28+01:00", "utc": "2004-06-19T10:44:28Z", "ms": 1087641867515.5211 }, "end": { "local": "2004-06-19T12:32:28+01:00", "utc": "2004-06-19T11:32:28Z", "ms": 1087644747515.5211 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-06-20", "window": { "start": { "local": "2004-06-20T11:44:41+01:00", "utc": "2004-06-20T10:44:41Z", "ms": 1087728280740.4143 }, "end": { "local": "2004-06-20T12:32:41+01:00", "utc": "2004-06-20T11:32:41Z", "ms": 1087731160740.4143 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 23:53 on Fri 18 Jun to 02:10 on Sun 20 Jun.", "fact": "2004-06-18T22:53:08Z → 2004-06-20T01:10:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 19th, 11:45–12:33 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34470 s" }, { "step": "ruling", "text": "Rathayātrā, Luanda, 2004: Saturday 19 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-19", "confidence": "determinate" } ], "quote": "In Luanda, Rathayātrā 2004 falls on Saturday 19 June. Dvitīyā runs from 23:53 on Fri 18 Jun to 02:10 on Sun 20 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/rathayatra", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vinayaka-chaturthi?on=2004-06-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20903, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-06-21T04:13:05+01:00", "utc": "2004-06-21T03:13:05Z", "ms": 1087787584802.9404 }, "end": { "local": "2004-06-22T05:56:44+01:00", "utc": "2004-06-22T04:56:44Z", "ms": 1087880204088.0494 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-21T04:13:05+01:00", "utc": "2004-06-21T03:13:05Z", "ms": 1087787584802.9404 }, "end": { "local": "2004-06-22T05:56:44+01:00", "utc": "2004-06-22T04:56:44Z", "ms": 1087880204088.0494 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-06-21", "window": { "start": { "local": "2004-06-21T11:44:54+01:00", "utc": "2004-06-21T10:44:54Z", "ms": 1087814693938.1997 }, "end": { "local": "2004-06-21T12:32:54+01:00", "utc": "2004-06-21T11:32:54Z", "ms": 1087817573938.1997 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-06-22", "window": { "start": { "local": "2004-06-22T11:45:07+01:00", "utc": "2004-06-22T10:45:07Z", "ms": 1087901107081.7773 }, "end": { "local": "2004-06-22T12:33:07+01:00", "utc": "2004-06-22T11:33:07Z", "ms": 1087903987081.7773 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:13 on Mon 21 Jun to 05:57 on Tue 22 Jun.", "fact": "2004-06-21T03:13:05Z → 2004-06-22T04:56:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 21st, 11:45–12:33 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20903 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2004: Monday 21 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-21", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2004 falls on Monday 21 June. Caturthī runs from 04:13 on Mon 21 Jun to 05:57 on Tue 22 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vinayaka-chaturthi?on=2004-06-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16184, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-06-22T05:56:44+01:00", "utc": "2004-06-22T04:56:44Z", "ms": 1087880204088.0494 }, "end": { "local": "2004-06-23T07:15:36+01:00", "utc": "2004-06-23T06:15:36Z", "ms": 1087971336087.1124 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-22T05:56:44+01:00", "utc": "2004-06-22T04:56:44Z", "ms": 1087880204088.0494 }, "end": { "local": "2004-06-23T07:15:36+01:00", "utc": "2004-06-23T06:15:36Z", "ms": 1087971336087.1124 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-06-22", "window": { "start": { "local": "2004-06-22T11:45:07+01:00", "utc": "2004-06-22T10:45:07Z", "ms": 1087901107081.7773 }, "end": { "local": "2004-06-22T12:33:07+01:00", "utc": "2004-06-22T11:33:07Z", "ms": 1087903987081.7773 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-06-23", "window": { "start": { "local": "2004-06-23T11:45:20+01:00", "utc": "2004-06-23T10:45:20Z", "ms": 1087987520144.4341 }, "end": { "local": "2004-06-23T12:33:20+01:00", "utc": "2004-06-23T11:33:20Z", "ms": 1087990400144.4341 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:57 on Tue 22 Jun to 07:16 on Wed 23 Jun.", "fact": "2004-06-22T04:56:44Z → 2004-06-23T06:15:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16184 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Luanda, 2004: Tuesday 22 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-22", "confidence": "determinate" } ], "quote": "In Luanda, Skanda Pañcamī 2004 falls on Tuesday 22 June. Pañcamī runs from 05:57 on Tue 22 Jun to 07:16 on Wed 23 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/skanda-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12557, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-06-24T08:03:57+01:00", "utc": "2004-06-24T07:03:57Z", "ms": 1088060637024.0225 }, "end": { "local": "2004-06-25T08:16:29+01:00", "utc": "2004-06-25T07:16:29Z", "ms": 1088147788614.6029 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-24T08:03:57+01:00", "utc": "2004-06-24T07:03:57Z", "ms": 1088060637024.0225 }, "end": { "local": "2004-06-25T08:16:29+01:00", "utc": "2004-06-25T07:16:29Z", "ms": 1088147788614.6029 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-06-24", "window": { "start": { "local": "2004-06-24T11:45:33+01:00", "utc": "2004-06-24T10:45:33Z", "ms": 1088073933099.9976 }, "end": { "local": "2004-06-24T12:33:33+01:00", "utc": "2004-06-24T11:33:33Z", "ms": 1088076813099.9976 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-06-25", "window": { "start": { "local": "2004-06-25T11:45:46+01:00", "utc": "2004-06-25T10:45:46Z", "ms": 1088160345923.0057 }, "end": { "local": "2004-06-25T12:33:46+01:00", "utc": "2004-06-25T11:33:46Z", "ms": 1088163225923.0057 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:04 on Thu 24 Jun to 08:16 on Fri 25 Jun.", "fact": "2004-06-24T07:03:57Z → 2004-06-25T07:16:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 24th, 11:46–12:34 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12557 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Luanda, 2004: Thursday 24 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-24", "confidence": "determinate" } ], "quote": "In Luanda, Vivasvat Saptamī 2004 falls on Thursday 24 June. Saptamī runs from 08:04 on Thu 24 Jun to 08:16 on Fri 25 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vivasvat-saptami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-06-28", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5610, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-06-28T04:48:43+01:00", "utc": "2004-06-28T03:48:43Z", "ms": 1088394522619.4586 }, "end": { "local": "2004-06-29T02:19:01+01:00", "utc": "2004-06-29T01:19:01Z", "ms": 1088471940631.5636 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-28T04:48:43+01:00", "utc": "2004-06-28T03:48:43Z", "ms": 1088394522619.4586 }, "end": { "local": "2004-06-29T02:19:01+01:00", "utc": "2004-06-29T01:19:01Z", "ms": 1088471940631.5636 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-06-28", "window": { "start": { "local": "2004-06-28T06:22:13+01:00", "utc": "2004-06-28T05:22:13Z", "ms": 1088400132830.562 }, "end": { "local": "2004-06-28T06:22:13+01:00", "utc": "2004-06-28T05:22:13Z", "ms": 1088400132830.562 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-06-29", "window": { "start": { "local": "2004-06-29T06:22:23+01:00", "utc": "2004-06-29T05:22:23Z", "ms": 1088486542625.8684 }, "end": { "local": "2004-06-29T06:22:23+01:00", "utc": "2004-06-29T05:22:23Z", "ms": 1088486542625.8684 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:49 on Mon 28 Jun to 02:19 on Tue 29 Jun.", "fact": "2004-06-28T03:48:43Z → 2004-06-29T01:19:01Z" }, { "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 on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5610 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Luanda, 2004: Monday 28 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-28", "confidence": "determinate" } ], "quote": "In Luanda, Hariśayanī Ekādaśī 2004 falls on Monday 28 June. Ekādaśī runs from 04:49 on Mon 28 Jun to 02:19 on Tue 29 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-06-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-06-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 536, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-06-29T23:16:01+01:00", "utc": "2004-06-29T22:16:01Z", "ms": 1088547360581.2997 }, "end": { "local": "2004-06-30T19:47:08+01:00", "utc": "2004-06-30T18:47:08Z", "ms": 1088621227974.4841 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-06-29T23:16:01+01:00", "utc": "2004-06-29T22:16:01Z", "ms": 1088547360581.2997 }, "end": { "local": "2004-06-30T19:47:08+01:00", "utc": "2004-06-30T18:47:08Z", "ms": 1088621227974.4841 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-06-29", "window": { "start": { "local": "2004-06-29T17:58:48+01:00", "utc": "2004-06-29T16:58:48Z", "ms": 1088528328207.5518 }, "end": { "local": "2004-06-29T19:37:58+01:00", "utc": "2004-06-29T18:37:58Z", "ms": 1088534278032.7888 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2004-06-30", "window": { "start": { "local": "2004-06-30T17:59:03+01:00", "utc": "2004-06-30T16:59:03Z", "ms": 1088614742571.8177 }, "end": { "local": "2004-06-30T19:38:12+01:00", "utc": "2004-06-30T18:38:12Z", "ms": 1088620691645.9387 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:16 on Tue 29 Jun to 19:47 on Wed 30 Jun.", "fact": "2004-06-29T22:16:01Z → 2004-06-30T18:47:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:38 on the 29th, 17:59–19:38 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 29th and 99 of 99 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 536 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2004: Wednesday 30 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-06-30", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2004 falls on Wednesday 30 June. Trayodaśī runs from 23:16 on Tue 29 Jun to 19:47 on Wed 30 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-06-30", "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/2004/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1286, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-07-01T16:01:23+01:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T12:08:55+01:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-07-01T16:01:23+01:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T12:08:55+01:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 } }, "kaala": "sayahna", "days": [ { "local_date": "2004-07-01", "window": { "start": { "local": "2004-07-01T15:39:58+01:00", "utc": "2004-07-01T14:39:58Z", "ms": 1088692797691.0143 }, "end": { "local": "2004-07-01T17:59:17+01:00", "utc": "2004-07-01T16:59:17Z", "ms": 1088701156956.8367 } }, "covered_min": 118, "window_min": 139, "qualifies": true }, { "local_date": "2004-07-02", "window": { "start": { "local": "2004-07-02T15:40:11+01:00", "utc": "2004-07-02T14:40:11Z", "ms": 1088779210836.5696 }, "end": { "local": "2004-07-02T17:59:31+01:00", "utc": "2004-07-02T16:59:31Z", "ms": 1088787571344.6843 } }, "covered_min": 0, "window_min": 139, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:01 on Thu 1 Jul to 12:09 on Fri 2 Jul.", "fact": "2004-07-01T15:01:23Z → 2004-07-02T11:08:55Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:40–17:59 on the 1st, 15:40–18:00 on the 2nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 118 of 139 minutes on the 1st and 0 of 139 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1286 s" }, { "step": "ruling", "text": "Kokilā Vrata, Luanda, 2004: Thursday 1 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kokila-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-01", "confidence": "determinate" } ], "quote": "In Luanda, Kokilā Vrata 2004 falls on Thursday 1 July. Pūrṇimā runs from 16:01 on Thu 1 Jul to 12:09 on Fri 2 Jul and covers 118 of 139 minutes of sāyāhna that late afternoon.", "cite": "https://ahargana.org/luanda/festivals/2004/kokila-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7074, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-07-01T16:01:23+01:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T12:08:55+01:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-07-01T16:01:23+01:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T12:08:55+01:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-07-01", "window": { "start": { "local": "2004-07-01T17:59:17+01:00", "utc": "2004-07-01T16:59:17Z", "ms": 1088701156956.8367 }, "end": { "local": "2004-07-01T19:38:25+01:00", "utc": "2004-07-01T18:38:25Z", "ms": 1088707105203.1399 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2004-07-02", "window": { "start": { "local": "2004-07-02T17:59:31+01:00", "utc": "2004-07-02T16:59:31Z", "ms": 1088787571344.6843 }, "end": { "local": "2004-07-02T19:38:39+01:00", "utc": "2004-07-02T18:38:39Z", "ms": 1088793518687.1378 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:01 on Thu 1 Jul to 12:09 on Fri 2 Jul.", "fact": "2004-07-01T15:01:23Z → 2004-07-02T11:08:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:38 on the 1st, 18:00–19:39 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 99 of 99 minutes on the 1st and 0 of 99 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7074 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Luanda, 2004: Thursday 1 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-01", "confidence": "determinate" } ], "quote": "In Luanda, Śiva Śayanotsava 2004 falls on Thursday 1 July. Pūrṇimā runs from 16:01 on Thu 1 Jul to 12:09 on Fri 2 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/shiva-shayanotsava", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12405, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-07-01T16:01:23+01:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T12:08:55+01:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-07-01T16:01:23+01:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T12:08:55+01:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 } }, "kaala": "udaya-3", "days": [ { "local_date": "2004-07-01", "window": { "start": { "local": "2004-07-01T06:22:41+01:00", "utc": "2004-07-01T05:22:41Z", "ms": 1088659360627.7247 }, "end": { "local": "2004-07-01T08:42:00+01:00", "utc": "2004-07-01T07:42:00Z", "ms": 1088667719893.5471 } }, "covered_min": 0, "window_min": 139, "qualifies": false }, { "local_date": "2004-07-02", "window": { "start": { "local": "2004-07-02T06:22:49+01:00", "utc": "2004-07-02T05:22:49Z", "ms": 1088745768804.1106 }, "end": { "local": "2004-07-02T08:42:09+01:00", "utc": "2004-07-02T07:42:09Z", "ms": 1088754129312.2253 } }, "covered_min": 139, "window_min": 139, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:01 on Thu 1 Jul to 12:09 on Fri 2 Jul.", "fact": "2004-07-01T15:01:23Z → 2004-07-02T11:08:55Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:23–08:42 on the 1st, 06:23–08:42 on the 2nd.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 139 minutes on the 1st and 139 of 139 on the 2nd.", "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 12405 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Luanda, 2004: Friday 2 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": "2004-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-02", "confidence": "determinate" } ], "quote": "In Luanda, Vyāsa Pūjā 2004 falls on Friday 2 July. Pūrṇimā runs from 16:01 on Thu 1 Jul to 12:09 on Fri 2 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/luanda/festivals/2004/vyasa-puja", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1305, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-07-01T16:01:23+01:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T12:08:55+01:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2004-07-01T16:01:23+01:00", "utc": "2004-07-01T15:01:23Z", "ms": 1088694083362.1036 }, "end": { "local": "2004-07-02T12:08:55+01:00", "utc": "2004-07-02T11:08:55Z", "ms": 1088766534639.6721 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-07-01", "window": { "start": { "local": "2004-07-01T11:46:59+01:00", "utc": "2004-07-01T10:46:59Z", "ms": 1088678818792.2808 }, "end": { "local": "2004-07-01T12:34:59+01:00", "utc": "2004-07-01T11:34:59Z", "ms": 1088681698792.2808 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-07-02", "window": { "start": { "local": "2004-07-02T11:47:10+01:00", "utc": "2004-07-02T10:47:10Z", "ms": 1088765230074.3975 }, "end": { "local": "2004-07-02T12:35:10+01:00", "utc": "2004-07-02T11:35:10Z", "ms": 1088768110074.3975 } }, "covered_min": 22, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:01 on Thu 1 Jul to 12:09 on Fri 2 Jul.", "fact": "2004-07-01T15:01:23Z → 2004-07-02T11:08:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 1st, 11:47–12:35 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 0 of 48 minutes on the 1st and 22 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1305 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Luanda, 2004: Friday 2 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "guru-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-02", "confidence": "determinate" } ], "quote": "In Luanda, Guru Pūrṇimā 2004 falls on Friday 2 July. Pūrṇimā runs from 16:01 on Thu 1 Jul to 12:09 on Fri 2 Jul and covers 22 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/guru-purnima", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34015, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2004-07-03T08:20:31+01:00", "utc": "2004-07-03T07:20:31Z", "ms": 1088839230688.6506 }, "end": { "local": "2004-07-04T04:47:15+01:00", "utc": "2004-07-04T03:47:15Z", "ms": 1088912834897.0269 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-03T08:20:31+01:00", "utc": "2004-07-03T07:20:31Z", "ms": 1088839230688.6506 }, "end": { "local": "2004-07-04T04:47:15+01:00", "utc": "2004-07-04T03:47:15Z", "ms": 1088912834897.0269 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-07-02", "window": { "start": { "local": "2004-07-02T18:13:03+01:00", "utc": "2004-07-02T17:13:03Z", "ms": 1088788383337.6989 }, "end": { "local": "2004-07-02T18:13:03+01:00", "utc": "2004-07-02T17:13:03Z", "ms": 1088788383337.6989 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-07-03", "window": { "start": { "local": "2004-07-03T19:20:20+01:00", "utc": "2004-07-03T18:20:20Z", "ms": 1088878820035.3062 }, "end": { "local": "2004-07-03T19:20:20+01:00", "utc": "2004-07-03T18:20:20Z", "ms": 1088878820035.3062 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 08:21 on Sat 3 Jul to 04:47 on Sun 4 Jul.", "fact": "2004-07-03T07:20:31Z → 2004-07-04T03:47:15Z" }, { "step": "kaala", "text": "Moonrise is at 18:13 on the 2nd and 19:20 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34015 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Luanda, 2004: Saturday 3 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata-ashadha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)." } ], "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-03", "confidence": "determinate" } ], "quote": "In Luanda, Aśūnya Śayana Vrata (Āṣāḍha) 2004 falls on Saturday 3 July. Dvitīyā runs from 08:21 on Sat 3 Jul to 04:47 on Sun 4 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ashunya-shayana-vrata-ashadha", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sankashta-chaturthi?on=2004-07-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6376, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-07-05T01:39:55+01:00", "utc": "2004-07-05T00:39:55Z", "ms": 1088987995173.099 }, "end": { "local": "2004-07-05T23:08:27+01:00", "utc": "2004-07-05T22:08:27Z", "ms": 1089065306505.1351 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-05T01:39:55+01:00", "utc": "2004-07-05T00:39:55Z", "ms": 1088987995173.099 }, "end": { "local": "2004-07-05T23:08:27+01:00", "utc": "2004-07-05T22:08:27Z", "ms": 1089065306505.1351 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-07-04", "window": { "start": { "local": "2004-07-04T20:23:51+01:00", "utc": "2004-07-04T19:23:51Z", "ms": 1088969030511.743 }, "end": { "local": "2004-07-04T20:23:51+01:00", "utc": "2004-07-04T19:23:51Z", "ms": 1088969030511.743 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-07-05", "window": { "start": { "local": "2004-07-05T21:22:10+01:00", "utc": "2004-07-05T20:22:10Z", "ms": 1089058930339.3752 }, "end": { "local": "2004-07-05T21:22:10+01:00", "utc": "2004-07-05T20:22:10Z", "ms": 1089058930339.3752 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:40 on Mon 5 Jul to 23:08 on Mon 5 Jul.", "fact": "2004-07-05T00:39:55Z → 2004-07-05T22:08:27Z" }, { "step": "kaala", "text": "Moonrise is at 20:24 on the 4th and 21:22 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 6376 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2004: Monday 5 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": "2004-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-05", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2004 falls on Monday 5 July. Caturthī runs from 01:40 on Mon 5 Jul to 23:08 on Mon 5 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/sankashta-chaturthi?on=2004-07-05", "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/2004/ekadashi?on=2004-07-12", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12755, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-07-12T00:29:02+01:00", "utc": "2004-07-11T23:29:02Z", "ms": 1089588541629.332 }, "end": { "local": "2004-07-13T02:51:03+01:00", "utc": "2004-07-13T01:51:03Z", "ms": 1089683462937.9585 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-12T00:29:02+01:00", "utc": "2004-07-11T23:29:02Z", "ms": 1089588541629.332 }, "end": { "local": "2004-07-13T02:51:03+01:00", "utc": "2004-07-13T01:51:03Z", "ms": 1089683462937.9585 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-07-12", "window": { "start": { "local": "2004-07-12T06:23:37+01:00", "utc": "2004-07-12T05:23:37Z", "ms": 1089609817200.4939 }, "end": { "local": "2004-07-12T06:23:37+01:00", "utc": "2004-07-12T05:23:37Z", "ms": 1089609817200.4939 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-07-13", "window": { "start": { "local": "2004-07-13T06:23:38+01:00", "utc": "2004-07-13T05:23:38Z", "ms": 1089696218403.616 }, "end": { "local": "2004-07-13T06:23:38+01:00", "utc": "2004-07-13T05:23:38Z", "ms": 1089696218403.616 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:29 on Mon 12 Jul to 02:51 on Tue 13 Jul.", "fact": "2004-07-11T23:29:02Z → 2004-07-13T01:51:03Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 12th and 06:24 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12755 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Luanda, 2004: Monday 12 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-12", "confidence": "determinate" } ], "quote": "In Luanda, Kāmikā Ekādaśī 2004 falls on Monday 12 July. Ekādaśī runs from 00:29 on Mon 12 Jul to 02:51 on Tue 13 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-07-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-07-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34903, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-07-14T05:22:40+01:00", "utc": "2004-07-14T04:22:40Z", "ms": 1089778960224.4274 }, "end": { "local": "2004-07-15T07:53:31+01:00", "utc": "2004-07-15T06:53:31Z", "ms": 1089874410899.4563 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-14T05:22:40+01:00", "utc": "2004-07-14T04:22:40Z", "ms": 1089778960224.4274 }, "end": { "local": "2004-07-15T07:53:31+01:00", "utc": "2004-07-15T06:53:31Z", "ms": 1089874410899.4563 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-07-13", "window": { "start": { "local": "2004-07-13T18:02:05+01:00", "utc": "2004-07-13T17:02:05Z", "ms": 1089738124648.4031 }, "end": { "local": "2004-07-13T19:40:57+01:00", "utc": "2004-07-13T18:40:57Z", "ms": 1089744057214.0242 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2004-07-14", "window": { "start": { "local": "2004-07-14T18:02:18+01:00", "utc": "2004-07-14T17:02:18Z", "ms": 1089824537624.1594 }, "end": { "local": "2004-07-14T19:41:08+01:00", "utc": "2004-07-14T18:41:08Z", "ms": 1089830468427.4037 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:23 on Wed 14 Jul to 07:54 on Thu 15 Jul.", "fact": "2004-07-14T04:22:40Z → 2004-07-15T06:53:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:41 on the 13th, 18:02–19:41 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 13th and 99 of 99 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 34903 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2004: Wednesday 14 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-14", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2004 falls on Wednesday 14 July. Trayodaśī runs from 05:23 on Wed 14 Jul to 07:54 on Thu 15 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-07-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shivaratri?on=2004-07-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26193, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-07-15T07:53:31+01:00", "utc": "2004-07-15T06:53:31Z", "ms": 1089874410899.4563 }, "end": { "local": "2004-07-16T10:15:40+01:00", "utc": "2004-07-16T09:15:40Z", "ms": 1089969340083.2885 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-15T07:53:31+01:00", "utc": "2004-07-15T06:53:31Z", "ms": 1089874410899.4563 }, "end": { "local": "2004-07-16T10:15:40+01:00", "utc": "2004-07-16T09:15:40Z", "ms": 1089969340083.2885 } }, "kaala": "nishita", "days": [ { "local_date": "2004-07-14", "window": { "start": { "local": "2004-07-14T23:48:58+01:00", "utc": "2004-07-14T22:48:58Z", "ms": 1089845338136.3254 }, "end": { "local": "2004-07-15T00:36:58+01:00", "utc": "2004-07-14T23:36:58Z", "ms": 1089848218136.3254 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-07-15", "window": { "start": { "local": "2004-07-15T23:49:04+01:00", "utc": "2004-07-15T22:49:04Z", "ms": 1089931744008.1633 }, "end": { "local": "2004-07-16T00:37:04+01:00", "utc": "2004-07-15T23:37:04Z", "ms": 1089934624008.1633 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:54 on Thu 15 Jul to 10:16 on Fri 16 Jul.", "fact": "2004-07-15T06:53:31Z → 2004-07-16T09:15:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 14th, 23:49–00:37 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26193 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2004: Thursday 15 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-15", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2004 falls on Thursday 15 July. Caturdaśī runs from 07:54 on Thu 15 Jul to 10:16 on Fri 16 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/shivaratri?on=2004-07-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vinayaka-chaturthi?on=2004-07-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15483, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-07-20T16:55:30+01:00", "utc": "2004-07-20T15:55:30Z", "ms": 1090338930439.0996 }, "end": { "local": "2004-07-21T17:41:46+01:00", "utc": "2004-07-21T16:41:46Z", "ms": 1090428105610.8503 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-20T16:55:30+01:00", "utc": "2004-07-20T15:55:30Z", "ms": 1090338930439.0996 }, "end": { "local": "2004-07-21T17:41:46+01:00", "utc": "2004-07-21T16:41:46Z", "ms": 1090428105610.8503 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-07-20", "window": { "start": { "local": "2004-07-20T11:49:28+01:00", "utc": "2004-07-20T10:49:28Z", "ms": 1090320567836.7803 }, "end": { "local": "2004-07-20T12:37:28+01:00", "utc": "2004-07-20T11:37:28Z", "ms": 1090323447836.7803 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-07-21", "window": { "start": { "local": "2004-07-21T11:49:31+01:00", "utc": "2004-07-21T10:49:31Z", "ms": 1090406970830.2966 }, "end": { "local": "2004-07-21T12:37:31+01:00", "utc": "2004-07-21T11:37:31Z", "ms": 1090409850830.2966 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:56 on Tue 20 Jul to 17:42 on Wed 21 Jul.", "fact": "2004-07-20T15:55:30Z → 2004-07-21T16:41:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 20th, 11:50–12:38 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15483 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2004: Wednesday 21 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": "2004-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-21", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2004 falls on Wednesday 21 July. Caturthī runs from 16:56 on Tue 20 Jul to 17:42 on Wed 21 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vinayaka-chaturthi?on=2004-07-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-07-28", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-07-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8860, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-07-27T11:41:42+01:00", "utc": "2004-07-27T10:41:42Z", "ms": 1090924901977.3296 }, "end": { "local": "2004-07-28T08:50:05+01:00", "utc": "2004-07-28T07:50:05Z", "ms": 1091001004794.1643 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-27T11:41:42+01:00", "utc": "2004-07-27T10:41:42Z", "ms": 1090924901977.3296 }, "end": { "local": "2004-07-28T08:50:05+01:00", "utc": "2004-07-28T07:50:05Z", "ms": 1091001004794.1643 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-07-27", "window": { "start": { "local": "2004-07-27T06:22:35+01:00", "utc": "2004-07-27T05:22:35Z", "ms": 1090905755197.9933 }, "end": { "local": "2004-07-27T06:22:35+01:00", "utc": "2004-07-27T05:22:35Z", "ms": 1090905755197.9933 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-07-28", "window": { "start": { "local": "2004-07-28T06:22:25+01:00", "utc": "2004-07-28T05:22:25Z", "ms": 1090992144683.2675 }, "end": { "local": "2004-07-28T06:22:25+01:00", "utc": "2004-07-28T05:22:25Z", "ms": 1090992144683.2675 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:42 on Tue 27 Jul to 08:50 on Wed 28 Jul.", "fact": "2004-07-27T10:41:42Z → 2004-07-28T07:50:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 27th and 06:22 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8860 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Luanda, 2004: Wednesday 28 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-07-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-28", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Ekādaśī 2004 falls on Wednesday 28 July. Ekādaśī runs from 11:42 on Tue 27 Jul to 08:50 on Wed 28 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-07-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-07-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23055, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-07-29T05:36:00+01:00", "utc": "2004-07-29T04:36:00Z", "ms": 1091075759623.9358 }, "end": { "local": "2004-07-30T02:07:25+01:00", "utc": "2004-07-30T01:07:25Z", "ms": 1091149645218.6488 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-07-29T05:36:00+01:00", "utc": "2004-07-29T04:36:00Z", "ms": 1091075759623.9358 }, "end": { "local": "2004-07-30T02:07:25+01:00", "utc": "2004-07-30T01:07:25Z", "ms": 1091149645218.6488 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-07-28", "window": { "start": { "local": "2004-07-28T18:04:45+01:00", "utc": "2004-07-28T17:04:45Z", "ms": 1091034285150.1246 }, "end": { "local": "2004-07-28T19:43:05+01:00", "utc": "2004-07-28T18:43:05Z", "ms": 1091040184911.8488 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2004-07-29", "window": { "start": { "local": "2004-07-29T18:04:53+01:00", "utc": "2004-07-29T17:04:53Z", "ms": 1091120692700.2188 }, "end": { "local": "2004-07-29T19:43:10+01:00", "utc": "2004-07-29T18:43:10Z", "ms": 1091126589839.3564 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:36 on Thu 29 Jul to 02:07 on Fri 30 Jul.", "fact": "2004-07-29T04:36:00Z → 2004-07-30T01:07:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:43 on the 28th, 18:05–19:43 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 28th and 98 of 98 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23055 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2004: Thursday 29 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-07-29", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2004 falls on Thursday 29 July. Trayodaśī runs from 05:36 on Thu 29 Jul to 02:07 on Fri 30 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-07-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sankashta-chaturthi?on=2004-08-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35896, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-08-03T10:56:21+01:00", "utc": "2004-08-03T09:56:21Z", "ms": 1091526980573.4355 }, "end": { "local": "2004-08-04T09:30:42+01:00", "utc": "2004-08-04T08:30:42Z", "ms": 1091608241749.3894 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-03T10:56:21+01:00", "utc": "2004-08-03T09:56:21Z", "ms": 1091526980573.4355 }, "end": { "local": "2004-08-04T09:30:42+01:00", "utc": "2004-08-04T08:30:42Z", "ms": 1091608241749.3894 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-08-03", "window": { "start": { "local": "2004-08-03T20:54:36+01:00", "utc": "2004-08-03T19:54:36Z", "ms": 1091562876298.5337 }, "end": { "local": "2004-08-03T20:54:36+01:00", "utc": "2004-08-03T19:54:36Z", "ms": 1091562876298.5337 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-08-04", "window": { "start": { "local": "2004-08-04T21:44:09+01:00", "utc": "2004-08-04T20:44:09Z", "ms": 1091652249397.0555 }, "end": { "local": "2004-08-04T21:44:09+01:00", "utc": "2004-08-04T20:44:09Z", "ms": 1091652249397.0555 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:56 on Tue 3 Aug to 09:31 on Wed 4 Aug.", "fact": "2004-08-03T09:56:21Z → 2004-08-04T08:30:42Z" }, { "step": "kaala", "text": "Moonrise is at 20:55 on the 3rd and 21:44 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 35896 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2004: Tuesday 3 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-03", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2004 falls on Tuesday 3 August. Caturthī runs from 10:56 on Tue 3 Aug to 09:31 on Wed 4 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/sankashta-chaturthi?on=2004-08-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-08-11", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37205, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-08-10T16:39:02+01:00", "utc": "2004-08-10T15:39:02Z", "ms": 1092152342431.7336 }, "end": { "local": "2004-08-11T19:08:56+01:00", "utc": "2004-08-11T18:08:56Z", "ms": 1092247736497.4922 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-10T16:39:02+01:00", "utc": "2004-08-10T15:39:02Z", "ms": 1092152342431.7336 }, "end": { "local": "2004-08-11T19:08:56+01:00", "utc": "2004-08-11T18:08:56Z", "ms": 1092247736497.4922 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-08-10", "window": { "start": { "local": "2004-08-10T06:18:58+01:00", "utc": "2004-08-10T05:18:58Z", "ms": 1092115137763.7241 }, "end": { "local": "2004-08-10T06:18:58+01:00", "utc": "2004-08-10T05:18:58Z", "ms": 1092115137763.7241 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-08-11", "window": { "start": { "local": "2004-08-11T06:18:37+01:00", "utc": "2004-08-11T05:18:37Z", "ms": 1092201516762.6381 }, "end": { "local": "2004-08-11T06:18:37+01:00", "utc": "2004-08-11T05:18:37Z", "ms": 1092201516762.6381 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:39 on Tue 10 Aug to 19:09 on Wed 11 Aug.", "fact": "2004-08-10T15:39:02Z → 2004-08-11T18:08:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 10th and 06:19 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37205 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Luanda, 2004: Wednesday 11 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-11", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Ekādaśī 2004 falls on Wednesday 11 August. Ekādaśī runs from 16:39 on Tue 10 Aug to 19:09 on Wed 11 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-08-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-08-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6328, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-08-12T21:28:57+01:00", "utc": "2004-08-12T20:28:57Z", "ms": 1092342536977.4808 }, "end": { "local": "2004-08-13T23:30:49+01:00", "utc": "2004-08-13T22:30:49Z", "ms": 1092436249106.897 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-12T21:28:57+01:00", "utc": "2004-08-12T20:28:57Z", "ms": 1092342536977.4808 }, "end": { "local": "2004-08-13T23:30:49+01:00", "utc": "2004-08-13T22:30:49Z", "ms": 1092436249106.897 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-08-12", "window": { "start": { "local": "2004-08-12T18:05:53+01:00", "utc": "2004-08-12T17:05:53Z", "ms": 1092330353145.1775 }, "end": { "local": "2004-08-12T19:43:29+01:00", "utc": "2004-08-12T18:43:29Z", "ms": 1092336209089.4768 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2004-08-13", "window": { "start": { "local": "2004-08-13T18:05:54+01:00", "utc": "2004-08-13T17:05:54Z", "ms": 1092416754289.9271 }, "end": { "local": "2004-08-13T19:43:27+01:00", "utc": "2004-08-13T18:43:27Z", "ms": 1092422607012.9117 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:29 on Thu 12 Aug to 23:31 on Fri 13 Aug.", "fact": "2004-08-12T20:28:57Z → 2004-08-13T22:30:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:43 on the 12th, 18:06–19:43 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 98 minutes on the 12th and 98 of 98 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 6328 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2004: Friday 13 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-13", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2004 falls on Friday 13 August. Trayodaśī runs from 21:29 on Thu 12 Aug to 23:31 on Fri 13 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-08-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shivaratri?on=2004-08-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-08-13", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1013, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-08-13T23:30:49+01:00", "utc": "2004-08-13T22:30:49Z", "ms": 1092436249106.897 }, "end": { "local": "2004-08-15T01:09:46+01:00", "utc": "2004-08-15T00:09:46Z", "ms": 1092528585859.6755 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-13T23:30:49+01:00", "utc": "2004-08-13T22:30:49Z", "ms": 1092436249106.897 }, "end": { "local": "2004-08-15T01:09:46+01:00", "utc": "2004-08-15T00:09:46Z", "ms": 1092528585859.6755 } }, "kaala": "nishita", "days": [ { "local_date": "2004-08-13", "window": { "start": { "local": "2004-08-13T23:47:42+01:00", "utc": "2004-08-13T22:47:42Z", "ms": 1092437262001.1196 }, "end": { "local": "2004-08-14T00:35:42+01:00", "utc": "2004-08-13T23:35:42Z", "ms": 1092440142001.1196 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-08-14", "window": { "start": { "local": "2004-08-14T23:47:31+01:00", "utc": "2004-08-14T22:47:31Z", "ms": 1092523650532.7598 }, "end": { "local": "2004-08-15T00:35:31+01:00", "utc": "2004-08-14T23:35:31Z", "ms": 1092526530532.7598 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:31 on Fri 13 Aug to 01:10 on Sun 15 Aug.", "fact": "2004-08-13T22:30:49Z → 2004-08-15T00:09:46Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 13th, 23:48–00:36 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 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1013 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2004: Friday 13 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-13", "confidence": "boundary" } ], "quote": "In Luanda, Śivarātri 2004 falls on Friday 13 August. Caturdaśī runs from 23:31 on Fri 13 Aug to 01:10 on Sun 15 Aug and covers all of niśītha that night. It also reaches the next night for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2004/shivaratri?on=2004-08-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29116, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-08-18T03:38:45+01:00", "utc": "2004-08-18T02:38:45Z", "ms": 1092796724903.3402 }, "end": { "local": "2004-08-19T03:41:23+01:00", "utc": "2004-08-19T02:41:23Z", "ms": 1092883282715.5902 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-18T03:38:45+01:00", "utc": "2004-08-18T02:38:45Z", "ms": 1092796724903.3402 }, "end": { "local": "2004-08-19T03:41:23+01:00", "utc": "2004-08-19T02:41:23Z", "ms": 1092883282715.5902 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-08-18", "window": { "start": { "local": "2004-08-18T11:46:53+01:00", "utc": "2004-08-18T10:46:53Z", "ms": 1092826012544.1206 }, "end": { "local": "2004-08-18T12:34:53+01:00", "utc": "2004-08-18T11:34:53Z", "ms": 1092828892544.1206 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-08-19", "window": { "start": { "local": "2004-08-19T11:46:39+01:00", "utc": "2004-08-19T10:46:39Z", "ms": 1092912398811.0796 }, "end": { "local": "2004-08-19T12:34:39+01:00", "utc": "2004-08-19T11:34:39Z", "ms": 1092915278811.0796 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 03:39 on Wed 18 Aug to 03:41 on Thu 19 Aug.", "fact": "2004-08-18T02:38:45Z → 2004-08-19T02:41:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 18th, 11:47–12:35 on the 19th.", "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 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29116 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Luanda, 2004: Wednesday 18 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-18", "confidence": "determinate" } ], "quote": "In Luanda, Madhusravā Tṛtīyā (Hariyali Teej) 2004 falls on Wednesday 18 August. Tṛtīyā runs from 03:39 on Wed 18 Aug to 03:41 on Thu 19 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/madhusrava-tritiya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vinayaka-chaturthi?on=2004-08-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29116, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-08-19T03:41:23+01:00", "utc": "2004-08-19T02:41:23Z", "ms": 1092883282715.5902 }, "end": { "local": "2004-08-20T03:21:38+01:00", "utc": "2004-08-20T02:21:38Z", "ms": 1092968498204.9613 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-19T03:41:23+01:00", "utc": "2004-08-19T02:41:23Z", "ms": 1092883282715.5902 }, "end": { "local": "2004-08-20T03:21:38+01:00", "utc": "2004-08-20T02:21:38Z", "ms": 1092968498204.9613 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-08-19", "window": { "start": { "local": "2004-08-19T11:46:39+01:00", "utc": "2004-08-19T10:46:39Z", "ms": 1092912398811.0796 }, "end": { "local": "2004-08-19T12:34:39+01:00", "utc": "2004-08-19T11:34:39Z", "ms": 1092915278811.0796 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-08-20", "window": { "start": { "local": "2004-08-20T11:46:25+01:00", "utc": "2004-08-20T10:46:25Z", "ms": 1092998784583.4966 }, "end": { "local": "2004-08-20T12:34:25+01:00", "utc": "2004-08-20T11:34:25Z", "ms": 1093001664583.4966 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:41 on Thu 19 Aug to 03:22 on Fri 20 Aug.", "fact": "2004-08-19T02:41:23Z → 2004-08-20T02:21:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 19th, 11:46–12:34 on the 20th.", "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 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29116 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2004: Thursday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-19", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2004 falls on Thursday 19 August. Caturthī runs from 03:41 on Thu 19 Aug to 03:22 on Fri 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vinayaka-chaturthi?on=2004-08-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30286, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-08-20T03:21:38+01:00", "utc": "2004-08-20T02:21:38Z", "ms": 1092968498204.9613 }, "end": { "local": "2004-08-21T02:39:23+01:00", "utc": "2004-08-21T01:39:23Z", "ms": 1093052363130.4814 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-20T03:21:38+01:00", "utc": "2004-08-20T02:21:38Z", "ms": 1092968498204.9613 }, "end": { "local": "2004-08-21T02:39:23+01:00", "utc": "2004-08-21T01:39:23Z", "ms": 1093052363130.4814 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-08-20", "window": { "start": { "local": "2004-08-20T11:46:25+01:00", "utc": "2004-08-20T10:46:25Z", "ms": 1092998784583.4966 }, "end": { "local": "2004-08-20T12:34:25+01:00", "utc": "2004-08-20T11:34:25Z", "ms": 1093001664583.4966 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-08-21", "window": { "start": { "local": "2004-08-21T11:46:10+01:00", "utc": "2004-08-21T10:46:10Z", "ms": 1093085169871.1008 }, "end": { "local": "2004-08-21T12:34:10+01:00", "utc": "2004-08-21T11:34:10Z", "ms": 1093088049871.1008 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:22 on Fri 20 Aug to 02:39 on Sat 21 Aug.", "fact": "2004-08-20T02:21:38Z → 2004-08-21T01:39:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 20th, 11:46–12:34 on the 21st.", "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 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30286 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Luanda, 2004: Friday 20 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-20", "confidence": "determinate" } ], "quote": "In Luanda, Nāga Pañcamī 2004 falls on Friday 20 August. Pañcamī runs from 03:22 on Fri 20 Aug to 02:39 on Sat 21 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/naga-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-08-26", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30257, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-08-25T17:24:36+01:00", "utc": "2004-08-25T16:24:36Z", "ms": 1093451075588.4006 }, "end": { "local": "2004-08-26T14:36:23+01:00", "utc": "2004-08-26T13:36:23Z", "ms": 1093527383295.639 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-25T17:24:36+01:00", "utc": "2004-08-25T16:24:36Z", "ms": 1093451075588.4006 }, "end": { "local": "2004-08-26T14:36:23+01:00", "utc": "2004-08-26T13:36:23Z", "ms": 1093527383295.639 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-08-25", "window": { "start": { "local": "2004-08-25T06:12:36+01:00", "utc": "2004-08-25T05:12:36Z", "ms": 1093410755974.3647 }, "end": { "local": "2004-08-25T06:12:36+01:00", "utc": "2004-08-25T05:12:36Z", "ms": 1093410755974.3647 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-08-26", "window": { "start": { "local": "2004-08-26T06:12:06+01:00", "utc": "2004-08-26T05:12:06Z", "ms": 1093497125929.6141 }, "end": { "local": "2004-08-26T06:12:06+01:00", "utc": "2004-08-26T05:12:06Z", "ms": 1093497125929.6141 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:25 on Wed 25 Aug to 14:36 on Thu 26 Aug.", "fact": "2004-08-25T16:24:36Z → 2004-08-26T13:36:23Z" }, { "step": "kaala", "text": "Sunrise is at 06:13 on the 25th and 06:12 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30257 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Luanda, 2004: Thursday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-26", "confidence": "determinate" } ], "quote": "In Luanda, Putradā Ekādaśī 2004 falls on Thursday 26 August. Ekādaśī runs from 17:25 on Wed 25 Aug to 14:36 on Thu 26 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-08-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-08-27", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 276, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-08-26T14:36:23+01:00", "utc": "2004-08-26T13:36:23Z", "ms": 1093527383295.639 }, "end": { "local": "2004-08-27T11:39:56+01:00", "utc": "2004-08-27T10:39:56Z", "ms": 1093603196434.706 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-26T14:36:23+01:00", "utc": "2004-08-26T13:36:23Z", "ms": 1093527383295.639 }, "end": { "local": "2004-08-27T11:39:56+01:00", "utc": "2004-08-27T10:39:56Z", "ms": 1093603196434.706 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-08-26", "window": { "start": { "local": "2004-08-26T11:44:49+01:00", "utc": "2004-08-26T10:44:49Z", "ms": 1093517089460.7994 }, "end": { "local": "2004-08-26T12:32:49+01:00", "utc": "2004-08-26T11:32:49Z", "ms": 1093519969460.7994 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-08-27", "window": { "start": { "local": "2004-08-27T11:44:32+01:00", "utc": "2004-08-27T10:44:32Z", "ms": 1093603472112.8429 }, "end": { "local": "2004-08-27T12:32:32+01:00", "utc": "2004-08-27T11:32:32Z", "ms": 1093606352112.8429 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 14:36 on Thu 26 Aug to 11:40 on Fri 27 Aug.", "fact": "2004-08-26T13:36:23Z → 2004-08-27T10:39:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 26th, 11:45–12:33 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 0 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": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 276 s < 300 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Luanda, 2004: Friday 27 August.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "damodara-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-27", "confidence": "determinate" } ], "quote": "In Luanda, Dāmodara Dvādaśī 2004 falls on Friday 27 August. Dvādaśī runs from 14:36 on Thu 26 Aug to 11:40 on Fri 27 Aug, and reaches madhyāhna on neither day. It is 4 min 36 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2004/damodara-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-08-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23132, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-08-27T11:39:56+01:00", "utc": "2004-08-27T10:39:56Z", "ms": 1093603196434.706 }, "end": { "local": "2004-08-28T08:42:55+01:00", "utc": "2004-08-28T07:42:55Z", "ms": 1093678974699.247 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-27T11:39:56+01:00", "utc": "2004-08-27T10:39:56Z", "ms": 1093603196434.706 }, "end": { "local": "2004-08-28T08:42:55+01:00", "utc": "2004-08-28T07:42:55Z", "ms": 1093678974699.247 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-08-27", "window": { "start": { "local": "2004-08-27T18:05:29+01:00", "utc": "2004-08-27T17:05:29Z", "ms": 1093626328823.7079 }, "end": { "local": "2004-08-27T19:42:14+01:00", "utc": "2004-08-27T18:42:14Z", "ms": 1093632133568.9105 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2004-08-28", "window": { "start": { "local": "2004-08-28T18:05:24+01:00", "utc": "2004-08-28T17:05:24Z", "ms": 1093712724355.161 }, "end": { "local": "2004-08-28T19:42:06+01:00", "utc": "2004-08-28T18:42:06Z", "ms": 1093718525505.6735 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:40 on Fri 27 Aug to 08:43 on Sat 28 Aug.", "fact": "2004-08-27T10:39:56Z → 2004-08-28T07:42:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:42 on the 27th, 18:05–19:42 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 27th and 0 of 97 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23132 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2004: Friday 27 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-27", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2004 falls on Friday 27 August. Trayodaśī runs from 11:40 on Fri 27 Aug to 08:43 on Sat 28 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-08-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10065, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-08-29T05:53:58+01:00", "utc": "2004-08-29T04:53:58Z", "ms": 1093755237543.5614 }, "end": { "local": "2004-08-30T03:22:16+01:00", "utc": "2004-08-30T02:22:16Z", "ms": 1093832536001.435 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2004-08-29T16:35:23+01:00", "utc": "2004-08-29T15:35:23Z", "ms": 1093793722534.1913 }, "end": { "local": "2004-08-30T03:22:16+01:00", "utc": "2004-08-30T02:22:16Z", "ms": 1093832536001.435 } }, "kaala": "day", "days": [ { "local_date": "2004-08-29", "window": { "start": { "local": "2004-08-29T06:10:33+01:00", "utc": "2004-08-29T05:10:33Z", "ms": 1093756232984.0042 }, "end": { "local": "2004-08-30T06:10:01+01:00", "utc": "2004-08-30T05:10:01Z", "ms": 1093842601138.5187 } }, "covered_min": 647, "window_min": 1439, "qualifies": true }, { "local_date": "2004-08-30", "window": { "start": { "local": "2004-08-30T06:10:01+01:00", "utc": "2004-08-30T05:10:01Z", "ms": 1093842601138.5187 }, "end": { "local": "2004-08-31T06:09:29+01:00", "utc": "2004-08-31T05:09:29Z", "ms": 1093928968899.2278 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:54 on Sun 29 Aug to 03:22 on Mon 30 Aug. Its second half begins at 16:35 on Sun 29 Aug.", "fact": "2004-08-29T04:53:58Z → 2004-08-30T02:22:16Z · second half from 2004-08-29T15:35:23Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:11 on the 29th, and from 06:10 on the 30th.", "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 647 of 1439 minutes on the 29th and 0 of 1439 on the 30th.", "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 10065 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Luanda, 2004: Sunday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-29", "confidence": "determinate" } ], "quote": "In Luanda, Rakṣā Bandhana (Rakhi) 2004 falls on Sunday 29 August. The second half of Pūrṇimā runs from 16:35 on Sun 29 Aug to 03:22 on Mon 30 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/luanda/festivals/2004/raksha-bandhana", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20999, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-08-29T05:53:58+01:00", "utc": "2004-08-29T04:53:58Z", "ms": 1093755237543.5614 }, "end": { "local": "2004-08-30T03:22:16+01:00", "utc": "2004-08-30T02:22:16Z", "ms": 1093832536001.435 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2004-08-29T05:53:58+01:00", "utc": "2004-08-29T04:53:58Z", "ms": 1093755237543.5614 }, "end": { "local": "2004-08-30T03:22:16+01:00", "utc": "2004-08-30T02:22:16Z", "ms": 1093832536001.435 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-08-29", "window": { "start": { "local": "2004-08-29T11:43:56+01:00", "utc": "2004-08-29T10:43:56Z", "ms": 1093776236294.0056 }, "end": { "local": "2004-08-29T12:31:56+01:00", "utc": "2004-08-29T11:31:56Z", "ms": 1093779116294.0056 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-08-30", "window": { "start": { "local": "2004-08-30T11:43:38+01:00", "utc": "2004-08-30T10:43:38Z", "ms": 1093862617863.5784 }, "end": { "local": "2004-08-30T12:31:38+01:00", "utc": "2004-08-30T11:31:38Z", "ms": 1093865497863.5784 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:54 on Sun 29 Aug to 03:22 on Mon 30 Aug.", "fact": "2004-08-29T04:53:58Z → 2004-08-30T02:22:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 29th, 11:44–12:32 on the 30th.", "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 29th and 0 of 48 on the 30th.", "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 20999 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Luanda, 2004: Sunday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-29", "confidence": "determinate" } ], "quote": "In Luanda, Ṛṣi Tarpaṇa 2004 falls on Sunday 29 August. Pūrṇimā runs from 05:54 on Sun 29 Aug to 03:22 on Mon 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/rishi-tarpana", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15245, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2004-08-31T01:16:58+01:00", "utc": "2004-08-31T00:16:58Z", "ms": 1093911418465.0414 }, "end": { "local": "2004-08-31T23:46:28+01:00", "utc": "2004-08-31T22:46:28Z", "ms": 1093992388441.3832 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-08-31T01:16:58+01:00", "utc": "2004-08-31T00:16:58Z", "ms": 1093911418465.0414 }, "end": { "local": "2004-08-31T23:46:28+01:00", "utc": "2004-08-31T22:46:28Z", "ms": 1093992388441.3832 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-08-30", "window": { "start": { "local": "2004-08-30T18:41:03+01:00", "utc": "2004-08-30T17:41:03Z", "ms": 1093887662791.916 }, "end": { "local": "2004-08-30T18:41:03+01:00", "utc": "2004-08-30T17:41:03Z", "ms": 1093887662791.916 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-08-31", "window": { "start": { "local": "2004-08-31T19:32:23+01:00", "utc": "2004-08-31T18:32:23Z", "ms": 1093977143300.8933 }, "end": { "local": "2004-08-31T19:32:23+01:00", "utc": "2004-08-31T18:32:23Z", "ms": 1093977143300.8933 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 01:17 on Tue 31 Aug to 23:46 on Tue 31 Aug.", "fact": "2004-08-31T00:16:58Z → 2004-08-31T22:46:28Z" }, { "step": "kaala", "text": "Moonrise is at 18:41 on the 30th and 19:32 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 30th and is on the 31st.", "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 15245 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Luanda, 2004: Tuesday 31 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": "2004-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-08-31", "confidence": "determinate" } ], "quote": "In Luanda, Aśūnya Śayana Vrata 2004 falls on Tuesday 31 August. Dvitīyā runs from 01:17 on Tue 31 Aug to 23:46 on Tue 31 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ashunya-shayana-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37593, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-08-31T23:46:28+01:00", "utc": "2004-08-31T22:46:28Z", "ms": 1093992388441.3832 }, "end": { "local": "2004-09-01T22:57:33+01:00", "utc": "2004-09-01T21:57:33Z", "ms": 1094075852573.3812 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-08-31T23:46:28+01:00", "utc": "2004-08-31T22:46:28Z", "ms": 1093992388441.3832 }, "end": { "local": "2004-09-01T22:57:33+01:00", "utc": "2004-09-01T21:57:33Z", "ms": 1094075852573.3812 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-08-31", "window": { "start": { "local": "2004-08-31T11:43:19+01:00", "utc": "2004-08-31T10:43:19Z", "ms": 1093948999113.4777 }, "end": { "local": "2004-08-31T12:31:19+01:00", "utc": "2004-08-31T11:31:19Z", "ms": 1093951879113.4777 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-09-01", "window": { "start": { "local": "2004-09-01T11:43:00+01:00", "utc": "2004-09-01T10:43:00Z", "ms": 1094035380064.483 }, "end": { "local": "2004-09-01T12:31:00+01:00", "utc": "2004-09-01T11:31:00Z", "ms": 1094038260064.483 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:46 on Tue 31 Aug to 22:58 on Wed 1 Sep.", "fact": "2004-08-31T22:46:28Z → 2004-09-01T21:57:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 31st, 11:43–12:31 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37593 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Luanda, 2004: Wednesday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-01", "confidence": "determinate" } ], "quote": "In Luanda, Kajjalī Tṛtīyā (Kajari Teej) 2004 falls on Wednesday 1 September. Tṛtīyā runs from 23:46 on Tue 31 Aug to 22:58 on Wed 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/kajjali-tritiya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17362, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-09-01T22:57:33+01:00", "utc": "2004-09-01T21:57:33Z", "ms": 1094075852573.3812 }, "end": { "local": "2004-09-02T22:54:20+01:00", "utc": "2004-09-02T21:54:20Z", "ms": 1094162060192.7072 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-01T22:57:33+01:00", "utc": "2004-09-01T21:57:33Z", "ms": 1094075852573.3812 }, "end": { "local": "2004-09-02T22:54:20+01:00", "utc": "2004-09-02T21:54:20Z", "ms": 1094162060192.7072 } }, "kaala": "sayahna", "days": [ { "local_date": "2004-09-01", "window": { "start": { "local": "2004-09-01T15:41:50+01:00", "utc": "2004-09-01T14:41:50Z", "ms": 1094049710329.7367 }, "end": { "local": "2004-09-01T18:05:04+01:00", "utc": "2004-09-01T17:05:04Z", "ms": 1094058303839.9058 } }, "covered_min": 0, "window_min": 143, "qualifies": false }, { "local_date": "2004-09-02", "window": { "start": { "local": "2004-09-02T15:41:39+01:00", "utc": "2004-09-02T14:41:39Z", "ms": 1094136099180.7474 }, "end": { "local": "2004-09-02T18:04:58+01:00", "utc": "2004-09-02T17:04:58Z", "ms": 1094144698143.2585 } }, "covered_min": 143, "window_min": 143, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:58 on Wed 1 Sep to 22:54 on Thu 2 Sep.", "fact": "2004-09-01T21:57:33Z → 2004-09-02T21:54:20Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:42–18:05 on the 1st, 15:42–18:05 on the 2nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 143 minutes on the 1st and 143 of 143 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17362 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Luanda, 2004: Thursday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-02", "confidence": "determinate" } ], "quote": "In Luanda, Bahulā Caturthī 2004 falls on Thursday 2 September. Caturthī runs from 22:58 on Wed 1 Sep to 22:54 on Thu 2 Sep and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/luanda/festivals/2004/bahula-chaturthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sankashta-chaturthi?on=2004-09-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6256, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-09-01T22:57:33+01:00", "utc": "2004-09-01T21:57:33Z", "ms": 1094075852573.3812 }, "end": { "local": "2004-09-02T22:54:20+01:00", "utc": "2004-09-02T21:54:20Z", "ms": 1094162060192.7072 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-01T22:57:33+01:00", "utc": "2004-09-01T21:57:33Z", "ms": 1094075852573.3812 }, "end": { "local": "2004-09-02T22:54:20+01:00", "utc": "2004-09-02T21:54:20Z", "ms": 1094162060192.7072 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-09-01", "window": { "start": { "local": "2004-09-01T20:21:41+01:00", "utc": "2004-09-01T19:21:41Z", "ms": 1094066500900.1508 }, "end": { "local": "2004-09-01T20:21:41+01:00", "utc": "2004-09-01T19:21:41Z", "ms": 1094066500900.1508 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-09-02", "window": { "start": { "local": "2004-09-02T21:10:04+01:00", "utc": "2004-09-02T20:10:04Z", "ms": 1094155803790.845 }, "end": { "local": "2004-09-02T21:10:04+01:00", "utc": "2004-09-02T20:10:04Z", "ms": 1094155803790.845 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:58 on Wed 1 Sep to 22:54 on Thu 2 Sep.", "fact": "2004-09-01T21:57:33Z → 2004-09-02T21:54:20Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 1st and 21:10 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 6256 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2004: Thursday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-02", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2004 falls on Thursday 2 September. Caturthī runs from 22:58 on Wed 1 Sep to 22:54 on Thu 2 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/sankashta-chaturthi?on=2004-09-02", "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/2004/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38338, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-09-03T23:37:22+01:00", "utc": "2004-09-03T22:37:22Z", "ms": 1094251041960.3629 }, "end": { "local": "2004-09-05T01:02:44+01:00", "utc": "2004-09-05T00:02:44Z", "ms": 1094342563630.2329 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-03T23:37:22+01:00", "utc": "2004-09-03T22:37:22Z", "ms": 1094251041960.3629 }, "end": { "local": "2004-09-05T01:02:44+01:00", "utc": "2004-09-05T00:02:44Z", "ms": 1094342563630.2329 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-04", "window": { "start": { "local": "2004-09-04T11:42:01+01:00", "utc": "2004-09-04T10:42:01Z", "ms": 1094294521325.3291 }, "end": { "local": "2004-09-04T12:30:01+01:00", "utc": "2004-09-04T11:30:01Z", "ms": 1094297401325.3291 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-05", "window": { "start": { "local": "2004-09-05T11:41:41+01:00", "utc": "2004-09-05T10:41:41Z", "ms": 1094380901279.4817 }, "end": { "local": "2004-09-05T12:29:41+01:00", "utc": "2004-09-05T11:29:41Z", "ms": 1094383781279.4817 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:37 on Fri 3 Sep to 01:03 on Sun 5 Sep.", "fact": "2004-09-03T22:37:22Z → 2004-09-05T00:02:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 4th, 11:42–12:30 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38338 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Luanda, 2004: Saturday 4 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-04", "confidence": "determinate" } ], "quote": "In Luanda, Hala Ṣaṣṭhī 2004 falls on Saturday 4 September. Ṣaṣṭhī runs from 23:37 on Fri 3 Sep to 01:03 on Sun 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/hala-shashthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31164, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-09-05T01:02:44+01:00", "utc": "2004-09-05T00:02:44Z", "ms": 1094342563630.2329 }, "end": { "local": "2004-09-06T03:01:57+01:00", "utc": "2004-09-06T02:01:57Z", "ms": 1094436117116.7688 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-05T01:02:44+01:00", "utc": "2004-09-05T00:02:44Z", "ms": 1094342563630.2329 }, "end": { "local": "2004-09-06T03:01:57+01:00", "utc": "2004-09-06T02:01:57Z", "ms": 1094436117116.7688 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-05", "window": { "start": { "local": "2004-09-05T11:41:41+01:00", "utc": "2004-09-05T10:41:41Z", "ms": 1094380901279.4817 }, "end": { "local": "2004-09-05T12:29:41+01:00", "utc": "2004-09-05T11:29:41Z", "ms": 1094383781279.4817 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-06", "window": { "start": { "local": "2004-09-06T11:41:21+01:00", "utc": "2004-09-06T10:41:21Z", "ms": 1094467281031.7958 }, "end": { "local": "2004-09-06T12:29:21+01:00", "utc": "2004-09-06T11:29:21Z", "ms": 1094470161031.7958 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 01:03 on Sun 5 Sep to 03:02 on Mon 6 Sep.", "fact": "2004-09-05T00:02:44Z → 2004-09-06T02:01:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 5th, 11:41–12:29 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31164 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Luanda, 2004: Sunday 5 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-05", "confidence": "determinate" } ], "quote": "In Luanda, Śītalā Saptamī 2004 falls on Sunday 5 September. Saptamī runs from 01:03 on Sun 5 Sep to 03:02 on Mon 6 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/shitala-saptami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9153, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-09-06T03:01:57+01:00", "utc": "2004-09-06T02:01:57Z", "ms": 1094436117116.7688 }, "end": { "local": "2004-09-07T05:22:47+01:00", "utc": "2004-09-07T04:22:47Z", "ms": 1094530967441.4602 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-06T03:01:57+01:00", "utc": "2004-09-06T02:01:57Z", "ms": 1094436117116.7688 }, "end": { "local": "2004-09-07T05:22:47+01:00", "utc": "2004-09-07T04:22:47Z", "ms": 1094530967441.4602 } }, "kaala": "nishita", "days": [ { "local_date": "2004-09-05", "window": { "start": { "local": "2004-09-05T23:41:24+01:00", "utc": "2004-09-05T22:41:24Z", "ms": 1094424084212.4875 }, "end": { "local": "2004-09-06T00:29:24+01:00", "utc": "2004-09-05T23:29:24Z", "ms": 1094426964212.4875 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-09-06", "window": { "start": { "local": "2004-09-06T23:41:04+01:00", "utc": "2004-09-06T22:41:04Z", "ms": 1094510463844.031 }, "end": { "local": "2004-09-07T00:29:04+01:00", "utc": "2004-09-06T23:29:04Z", "ms": 1094513343844.031 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:02 on Mon 6 Sep to 05:23 on Tue 7 Sep.", "fact": "2004-09-06T02:01:57Z → 2004-09-07T04:22:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 5th, 23:41–00:29 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 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. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9153 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Luanda, 2004: Monday 6 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-06", "confidence": "determinate" } ], "quote": "In Luanda, Janmāṣṭamī 2004 falls on Monday 6 September. Aṣṭamī runs from 03:02 on Mon 6 Sep to 05:23 on Tue 7 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/janmashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-09-10", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14872, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-09-09T10:12:16+01:00", "utc": "2004-09-09T09:12:16Z", "ms": 1094721136443.2334 }, "end": { "local": "2004-09-10T12:14:57+01:00", "utc": "2004-09-10T11:14:57Z", "ms": 1094814897334.7201 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-09T10:12:16+01:00", "utc": "2004-09-09T09:12:16Z", "ms": 1094721136443.2334 }, "end": { "local": "2004-09-10T12:14:57+01:00", "utc": "2004-09-10T11:14:57Z", "ms": 1094814897334.7201 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-09-09", "window": { "start": { "local": "2004-09-09T06:04:25+01:00", "utc": "2004-09-09T05:04:25Z", "ms": 1094706264681.6263 }, "end": { "local": "2004-09-09T06:04:25+01:00", "utc": "2004-09-09T05:04:25Z", "ms": 1094706264681.6263 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-09-10", "window": { "start": { "local": "2004-09-10T06:03:50+01:00", "utc": "2004-09-10T05:03:50Z", "ms": 1094792629702.7103 }, "end": { "local": "2004-09-10T06:03:50+01:00", "utc": "2004-09-10T05:03:50Z", "ms": 1094792629702.7103 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:12 on Thu 9 Sep to 12:15 on Fri 10 Sep.", "fact": "2004-09-09T09:12:16Z → 2004-09-10T11:14:57Z" }, { "step": "kaala", "text": "Sunrise is at 06:04 on the 9th and 06:04 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 14872 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Luanda, 2004: Friday 10 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-10", "confidence": "determinate" } ], "quote": "In Luanda, Ajā Ekādaśī 2004 falls on Friday 10 September. Ekādaśī runs from 10:12 on Thu 9 Sep to 12:15 on Fri 10 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-09-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-09-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11322, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-09-11T13:50:43+01:00", "utc": "2004-09-11T12:50:43Z", "ms": 1094907042729.2682 }, "end": { "local": "2004-09-12T14:55:11+01:00", "utc": "2004-09-12T13:55:11Z", "ms": 1094997310879.1123 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-11T13:50:43+01:00", "utc": "2004-09-11T12:50:43Z", "ms": 1094907042729.2682 }, "end": { "local": "2004-09-12T14:55:11+01:00", "utc": "2004-09-12T13:55:11Z", "ms": 1094997310879.1123 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-09-11", "window": { "start": { "local": "2004-09-11T18:04:00+01:00", "utc": "2004-09-11T17:04:00Z", "ms": 1094922240228.5029 }, "end": { "local": "2004-09-11T19:39:49+01:00", "utc": "2004-09-11T18:39:49Z", "ms": 1094927989435.3579 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2004-09-12", "window": { "start": { "local": "2004-09-12T18:03:53+01:00", "utc": "2004-09-12T17:03:53Z", "ms": 1095008633342.4019 }, "end": { "local": "2004-09-12T19:39:39+01:00", "utc": "2004-09-12T18:39:39Z", "ms": 1095014378746.6958 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:51 on Sat 11 Sep to 14:55 on Sun 12 Sep.", "fact": "2004-09-11T12:50:43Z → 2004-09-12T13:55:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:40 on the 11th, 18:04–19:40 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 96 of 96 minutes on the 11th and 0 of 96 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 11322 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2004: Saturday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-11", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2004 falls on Saturday 11 September. Trayodaśī runs from 13:51 on Sat 11 Sep to 14:55 on Sun 12 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-09-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9380, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-09-12T14:55:11+01:00", "utc": "2004-09-12T13:55:11Z", "ms": 1094997310879.1123 }, "end": { "local": "2004-09-13T15:27:26+01:00", "utc": "2004-09-13T14:27:26Z", "ms": 1095085645932.7986 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-12T14:55:11+01:00", "utc": "2004-09-12T13:55:11Z", "ms": 1094997310879.1123 }, "end": { "local": "2004-09-13T15:27:26+01:00", "utc": "2004-09-13T14:27:26Z", "ms": 1095085645932.7986 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-09-12", "window": { "start": { "local": "2004-09-12T18:03:53+01:00", "utc": "2004-09-12T17:03:53Z", "ms": 1095008633342.4019 }, "end": { "local": "2004-09-12T19:39:39+01:00", "utc": "2004-09-12T18:39:39Z", "ms": 1095014378746.6958 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2004-09-13", "window": { "start": { "local": "2004-09-13T18:03:46+01:00", "utc": "2004-09-13T17:03:46Z", "ms": 1095095026420.58 }, "end": { "local": "2004-09-13T19:39:28+01:00", "utc": "2004-09-13T18:39:28Z", "ms": 1095100768013.2079 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:55 on Sun 12 Sep to 15:27 on Mon 13 Sep.", "fact": "2004-09-12T13:55:11Z → 2004-09-13T14:27:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:40 on the 12th, 18:04–19:39 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 12th and 0 of 96 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9380 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Luanda, 2004: Sunday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-12", "confidence": "determinate" } ], "quote": "In Luanda, Aghora Caturdaśī 2004 falls on Sunday 12 September. Caturdaśī runs from 14:55 on Sun 12 Sep to 15:27 on Mon 13 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/aghora-chaturdashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shivaratri?on=2004-09-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29471, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-09-12T14:55:11+01:00", "utc": "2004-09-12T13:55:11Z", "ms": 1094997310879.1123 }, "end": { "local": "2004-09-13T15:27:26+01:00", "utc": "2004-09-13T14:27:26Z", "ms": 1095085645932.7986 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-12T14:55:11+01:00", "utc": "2004-09-12T13:55:11Z", "ms": 1094997310879.1123 }, "end": { "local": "2004-09-13T15:27:26+01:00", "utc": "2004-09-13T14:27:26Z", "ms": 1095085645932.7986 } }, "kaala": "nishita", "days": [ { "local_date": "2004-09-12", "window": { "start": { "local": "2004-09-12T23:38:59+01:00", "utc": "2004-09-12T22:38:59Z", "ms": 1095028738608.5044 }, "end": { "local": "2004-09-13T00:26:59+01:00", "utc": "2004-09-12T23:26:59Z", "ms": 1095031618608.5044 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-13", "window": { "start": { "local": "2004-09-13T23:38:37+01:00", "utc": "2004-09-13T22:38:37Z", "ms": 1095115117392.9346 }, "end": { "local": "2004-09-14T00:26:37+01:00", "utc": "2004-09-13T23:26:37Z", "ms": 1095117997392.9346 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:55 on Sun 12 Sep to 15:27 on Mon 13 Sep.", "fact": "2004-09-12T13:55:11Z → 2004-09-13T14:27:26Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 12th, 23:39–00:27 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29471 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2004: Sunday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-12", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2004 falls on Sunday 12 September. Caturdaśī runs from 14:55 on Sun 12 Sep to 15:27 on Mon 13 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/shivaratri?on=2004-09-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9415, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-09-14T15:29:03+01:00", "utc": "2004-09-14T14:29:03Z", "ms": 1095172142996.597 }, "end": { "local": "2004-09-15T15:03:07+01:00", "utc": "2004-09-15T14:03:07Z", "ms": 1095256987240.7566 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-14T15:29:03+01:00", "utc": "2004-09-14T14:29:03Z", "ms": 1095172142996.597 }, "end": { "local": "2004-09-15T15:03:07+01:00", "utc": "2004-09-15T14:03:07Z", "ms": 1095256987240.7566 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-14", "window": { "start": { "local": "2004-09-14T11:38:34+01:00", "utc": "2004-09-14T10:38:34Z", "ms": 1095158313921.2083 }, "end": { "local": "2004-09-14T12:26:34+01:00", "utc": "2004-09-14T11:26:34Z", "ms": 1095161193921.2083 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-09-15", "window": { "start": { "local": "2004-09-15T11:38:13+01:00", "utc": "2004-09-15T10:38:13Z", "ms": 1095244692648.2993 }, "end": { "local": "2004-09-15T12:26:13+01:00", "utc": "2004-09-15T11:26:13Z", "ms": 1095247572648.2993 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:29 on Tue 14 Sep to 15:03 on Wed 15 Sep.", "fact": "2004-09-14T14:29:03Z → 2004-09-15T14:03:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 14th, 11:38–12:26 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9415 s" }, { "step": "ruling", "text": "Rudra Vrata, Luanda, 2004: Wednesday 15 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-15", "confidence": "determinate" } ], "quote": "In Luanda, Rudra Vrata 2004 falls on Wednesday 15 September. Pratipadā runs from 15:29 on Tue 14 Sep to 15:03 on Wed 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/rudra-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2272, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2004-09-16T14:13:21+01:00", "utc": "2004-09-16T13:13:21Z", "ms": 1095340400515.9678 }, "end": { "local": "2004-09-17T13:03:22+01:00", "utc": "2004-09-17T12:03:22Z", "ms": 1095422602061.2795 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-16T14:13:21+01:00", "utc": "2004-09-16T13:13:21Z", "ms": 1095340400515.9678 }, "end": { "local": "2004-09-17T13:03:22+01:00", "utc": "2004-09-17T12:03:22Z", "ms": 1095422602061.2795 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-16", "window": { "start": { "local": "2004-09-16T11:37:51+01:00", "utc": "2004-09-16T10:37:51Z", "ms": 1095331071345.093 }, "end": { "local": "2004-09-16T12:25:51+01:00", "utc": "2004-09-16T11:25:51Z", "ms": 1095333951345.093 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-09-17", "window": { "start": { "local": "2004-09-17T11:37:30+01:00", "utc": "2004-09-17T10:37:30Z", "ms": 1095417450027.9116 }, "end": { "local": "2004-09-17T12:25:30+01:00", "utc": "2004-09-17T11:25:30Z", "ms": 1095420330027.9116 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:13 on Thu 16 Sep to 13:03 on Fri 17 Sep.", "fact": "2004-09-16T13:13:21Z → 2004-09-17T12:03:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 16th, 11:38–12:26 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2272 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Luanda, 2004: Friday 17 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-17", "confidence": "determinate" } ], "quote": "In Luanda, Haritālikā Vrata (Hartalika Teej) 2004 falls on Friday 17 September. Tṛtīyā runs from 14:13 on Thu 16 Sep to 13:03 on Fri 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/haritalika-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-18", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 43, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-09-17T13:03:22+01:00", "utc": "2004-09-17T12:03:22Z", "ms": 1095422602061.2795 }, "end": { "local": "2004-09-18T11:36:25+01:00", "utc": "2004-09-18T10:36:25Z", "ms": 1095503785338.8931 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-17T13:03:22+01:00", "utc": "2004-09-17T12:03:22Z", "ms": 1095422602061.2795 }, "end": { "local": "2004-09-18T11:36:25+01:00", "utc": "2004-09-18T10:36:25Z", "ms": 1095503785338.8931 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-17", "window": { "start": { "local": "2004-09-17T11:37:30+01:00", "utc": "2004-09-17T10:37:30Z", "ms": 1095417450027.9116 }, "end": { "local": "2004-09-17T12:25:30+01:00", "utc": "2004-09-17T11:25:30Z", "ms": 1095420330027.9116 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-09-18", "window": { "start": { "local": "2004-09-18T11:37:09+01:00", "utc": "2004-09-18T10:37:09Z", "ms": 1095503828713.3735 }, "end": { "local": "2004-09-18T12:25:09+01:00", "utc": "2004-09-18T11:25:09Z", "ms": 1095506708713.3735 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:03 on Fri 17 Sep to 11:36 on Sat 18 Sep.", "fact": "2004-09-17T12:03:22Z → 2004-09-18T10:36:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 43 s < 300 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Luanda, 2004: Saturday 18 September.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-17", "confidence": "determinate" } ], "quote": "In Luanda, Gaṇeśa Caturthī 2004 falls on Saturday 18 September. Caturthī runs from 13:03 on Fri 17 Sep to 11:36 on Sat 18 Sep, and reaches madhyāhna on neither day. It is 0 min 43 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2004/ganesha-chaturthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-18", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 43, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-09-18T11:36:25+01:00", "utc": "2004-09-18T10:36:25Z", "ms": 1095503785338.8931 }, "end": { "local": "2004-09-19T09:55:10+01:00", "utc": "2004-09-19T08:55:10Z", "ms": 1095584110469.2812 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-18T11:36:25+01:00", "utc": "2004-09-18T10:36:25Z", "ms": 1095503785338.8931 }, "end": { "local": "2004-09-19T09:55:10+01:00", "utc": "2004-09-19T08:55:10Z", "ms": 1095584110469.2812 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-18", "window": { "start": { "local": "2004-09-18T11:37:09+01:00", "utc": "2004-09-18T10:37:09Z", "ms": 1095503828713.3735 }, "end": { "local": "2004-09-18T12:25:09+01:00", "utc": "2004-09-18T11:25:09Z", "ms": 1095506708713.3735 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-19", "window": { "start": { "local": "2004-09-19T11:36:47+01:00", "utc": "2004-09-19T10:36:47Z", "ms": 1095590207418.6047 }, "end": { "local": "2004-09-19T12:24:47+01:00", "utc": "2004-09-19T11:24:47Z", "ms": 1095593087418.6047 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:36 on Sat 18 Sep to 09:55 on Sun 19 Sep.", "fact": "2004-09-18T10:36:25Z → 2004-09-19T08:55:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 43 s < 300 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Luanda, 2004: Saturday 18 September.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-18", "confidence": "determinate" } ], "quote": "In Luanda, Ṛṣi Pañcamī 2004 falls on Saturday 18 September. Pañcamī runs from 11:36 on Sat 18 Sep to 09:55 on Sun 19 Sep and covers all of madhyāhna that midday. It is 0 min 43 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2004/rishi-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6097, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-09-19T09:55:10+01:00", "utc": "2004-09-19T08:55:10Z", "ms": 1095584110469.2812 }, "end": { "local": "2004-09-20T08:01:50+01:00", "utc": "2004-09-20T07:01:50Z", "ms": 1095663710082.8033 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-19T09:55:10+01:00", "utc": "2004-09-19T08:55:10Z", "ms": 1095584110469.2812 }, "end": { "local": "2004-09-20T08:01:50+01:00", "utc": "2004-09-20T07:01:50Z", "ms": 1095663710082.8033 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-19", "window": { "start": { "local": "2004-09-19T11:36:47+01:00", "utc": "2004-09-19T10:36:47Z", "ms": 1095590207418.6047 }, "end": { "local": "2004-09-19T12:24:47+01:00", "utc": "2004-09-19T11:24:47Z", "ms": 1095593087418.6047 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-20", "window": { "start": { "local": "2004-09-20T11:36:26+01:00", "utc": "2004-09-20T10:36:26Z", "ms": 1095676586161.4382 }, "end": { "local": "2004-09-20T12:24:26+01:00", "utc": "2004-09-20T11:24:26Z", "ms": 1095679466161.4382 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:55 on Sun 19 Sep to 08:02 on Mon 20 Sep.", "fact": "2004-09-19T08:55:10Z → 2004-09-20T07:01:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6097 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Luanda, 2004: Sunday 19 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-19", "confidence": "determinate" } ], "quote": "In Luanda, Sūrya Ṣaṣṭhī (Bhādrapada) 2004 falls on Sunday 19 September. Ṣaṣṭhī runs from 09:55 on Sun 19 Sep to 08:02 on Mon 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/surya-shashthi-bhadrapada", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12876, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-09-20T08:01:50+01:00", "utc": "2004-09-20T07:01:50Z", "ms": 1095663710082.8033 }, "end": { "local": "2004-09-21T05:58:25+01:00", "utc": "2004-09-21T04:58:25Z", "ms": 1095742704979.1779 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-20T08:01:50+01:00", "utc": "2004-09-20T07:01:50Z", "ms": 1095663710082.8033 }, "end": { "local": "2004-09-21T05:58:25+01:00", "utc": "2004-09-21T04:58:25Z", "ms": 1095742704979.1779 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-20", "window": { "start": { "local": "2004-09-20T11:36:26+01:00", "utc": "2004-09-20T10:36:26Z", "ms": 1095676586161.4382 }, "end": { "local": "2004-09-20T12:24:26+01:00", "utc": "2004-09-20T11:24:26Z", "ms": 1095679466161.4382 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-21", "window": { "start": { "local": "2004-09-21T11:36:05+01:00", "utc": "2004-09-21T10:36:05Z", "ms": 1095762964960.5818 }, "end": { "local": "2004-09-21T12:24:05+01:00", "utc": "2004-09-21T11:24:05Z", "ms": 1095765844960.5818 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:02 on Mon 20 Sep to 05:58 on Tue 21 Sep.", "fact": "2004-09-20T07:01:50Z → 2004-09-21T04:58:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12876 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Luanda, 2004: Monday 20 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-20", "confidence": "determinate" } ], "quote": "In Luanda, Muktābharaṇa Vrata 2004 falls on Monday 20 September. Saptamī runs from 08:02 on Mon 20 Sep to 05:58 on Tue 21 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/muktabharana-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20260, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-09-21T05:58:25+01:00", "utc": "2004-09-21T04:58:25Z", "ms": 1095742704979.1779 }, "end": { "local": "2004-09-22T03:47:05+01:00", "utc": "2004-09-22T02:47:05Z", "ms": 1095821224834.5157 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-21T05:58:25+01:00", "utc": "2004-09-21T04:58:25Z", "ms": 1095742704979.1779 }, "end": { "local": "2004-09-22T03:47:05+01:00", "utc": "2004-09-22T02:47:05Z", "ms": 1095821224834.5157 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-21", "window": { "start": { "local": "2004-09-21T11:36:05+01:00", "utc": "2004-09-21T10:36:05Z", "ms": 1095762964960.5818 }, "end": { "local": "2004-09-21T12:24:05+01:00", "utc": "2004-09-21T11:24:05Z", "ms": 1095765844960.5818 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-09-22", "window": { "start": { "local": "2004-09-22T11:35:44+01:00", "utc": "2004-09-22T10:35:44Z", "ms": 1095849343835.74 }, "end": { "local": "2004-09-22T12:23:44+01:00", "utc": "2004-09-22T11:23:44Z", "ms": 1095852223835.74 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:58 on Tue 21 Sep to 03:47 on Wed 22 Sep.", "fact": "2004-09-21T04:58:25Z → 2004-09-22T02:47:05Z" }, { "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": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20260 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Luanda, 2004: Tuesday 21 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-21", "confidence": "determinate" } ], "quote": "In Luanda, Rādhāṣṭamī 2004 falls on Tuesday 21 September. Aṣṭamī runs from 05:58 on Tue 21 Sep to 03:47 on Wed 22 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/radhashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-09-24", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24210, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-09-23T23:12:01+01:00", "utc": "2004-09-23T22:12:01Z", "ms": 1095977521355.1074 }, "end": { "local": "2004-09-24T20:56:01+01:00", "utc": "2004-09-24T19:56:01Z", "ms": 1096055760806.793 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-23T23:12:01+01:00", "utc": "2004-09-23T22:12:01Z", "ms": 1095977521355.1074 }, "end": { "local": "2004-09-24T20:56:01+01:00", "utc": "2004-09-24T19:56:01Z", "ms": 1096055760806.793 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-09-24", "window": { "start": { "local": "2004-09-24T05:55:32+01:00", "utc": "2004-09-24T04:55:32Z", "ms": 1096001731749.2913 }, "end": { "local": "2004-09-24T05:55:32+01:00", "utc": "2004-09-24T04:55:32Z", "ms": 1096001731749.2913 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-09-25", "window": { "start": { "local": "2004-09-25T05:54:56+01:00", "utc": "2004-09-25T04:54:56Z", "ms": 1096088096392.5183 }, "end": { "local": "2004-09-25T05:54:56+01:00", "utc": "2004-09-25T04:54:56Z", "ms": 1096088096392.5183 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:12 on Thu 23 Sep to 20:56 on Fri 24 Sep.", "fact": "2004-09-23T22:12:01Z → 2004-09-24T19:56:01Z" }, { "step": "kaala", "text": "Sunrise is at 05:56 on the 24th and 05:55 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 24th and is not 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 24210 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Luanda, 2004: Friday 24 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-24", "confidence": "determinate" } ], "quote": "In Luanda, Parivartanī Ekādaśī 2004 falls on Friday 24 September. Ekādaśī runs from 23:12 on Thu 23 Sep to 20:56 on Fri 24 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-09-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23097, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-09-24T20:56:01+01:00", "utc": "2004-09-24T19:56:01Z", "ms": 1096055760806.793 }, "end": { "local": "2004-09-25T18:47:39+01:00", "utc": "2004-09-25T17:47:39Z", "ms": 1096134458582.4086 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-24T20:56:01+01:00", "utc": "2004-09-24T19:56:01Z", "ms": 1096055760806.793 }, "end": { "local": "2004-09-25T18:47:39+01:00", "utc": "2004-09-25T17:47:39Z", "ms": 1096134458582.4086 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-09-24", "window": { "start": { "local": "2004-09-24T11:35:02+01:00", "utc": "2004-09-24T10:35:02Z", "ms": 1096022101898.2288 }, "end": { "local": "2004-09-24T12:23:02+01:00", "utc": "2004-09-24T11:23:02Z", "ms": 1096024981898.2288 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-09-25", "window": { "start": { "local": "2004-09-25T11:34:41+01:00", "utc": "2004-09-25T10:34:41Z", "ms": 1096108481130.1858 }, "end": { "local": "2004-09-25T12:22:41+01:00", "utc": "2004-09-25T11:22:41Z", "ms": 1096111361130.1858 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:56 on Fri 24 Sep to 18:48 on Sat 25 Sep.", "fact": "2004-09-24T19:56:01Z → 2004-09-25T17:47:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 24th, 11:35–12:23 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23097 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Luanda, 2004: Saturday 25 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-25", "confidence": "determinate" } ], "quote": "In Luanda, Vāmana Jayantī 2004 falls on Saturday 25 September. Dvādaśī runs from 20:56 on Fri 24 Sep to 18:48 on Sat 25 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vamana-jayanti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-09-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2713, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-09-25T18:47:39+01:00", "utc": "2004-09-25T17:47:39Z", "ms": 1096134458582.4086 }, "end": { "local": "2004-09-26T16:52:50+01:00", "utc": "2004-09-26T15:52:50Z", "ms": 1096213969924.9722 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-25T18:47:39+01:00", "utc": "2004-09-25T17:47:39Z", "ms": 1096134458582.4086 }, "end": { "local": "2004-09-26T16:52:50+01:00", "utc": "2004-09-26T15:52:50Z", "ms": 1096213969924.9722 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-09-25", "window": { "start": { "local": "2004-09-25T18:02:26+01:00", "utc": "2004-09-25T17:02:26Z", "ms": 1096131745867.8531 }, "end": { "local": "2004-09-25T19:37:21+01:00", "utc": "2004-09-25T18:37:21Z", "ms": 1096137441243.4697 } }, "covered_min": 50, "window_min": 95, "qualifies": true }, { "local_date": "2004-09-26", "window": { "start": { "local": "2004-09-26T18:02:20+01:00", "utc": "2004-09-26T17:02:20Z", "ms": 1096218139869.3344 }, "end": { "local": "2004-09-26T19:37:11+01:00", "utc": "2004-09-26T18:37:11Z", "ms": 1096223831373.7686 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:48 on Sat 25 Sep to 16:53 on Sun 26 Sep.", "fact": "2004-09-25T17:47:39Z → 2004-09-26T15:52:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:37 on the 25th, 18:02–19:37 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 50 of 95 minutes on the 25th and 0 of 95 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 2713 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2004: Saturday 25 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-25", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2004 falls on Saturday 25 September. Trayodaśī runs from 18:48 on Sat 25 Sep to 16:53 on Sun 26 Sep and covers 50 of 95 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-09-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25108, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-09-26T16:52:50+01:00", "utc": "2004-09-26T15:52:50Z", "ms": 1096213969924.9722 }, "end": { "local": "2004-09-27T15:17:56+01:00", "utc": "2004-09-27T14:17:56Z", "ms": 1096294675982.0908 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2004-09-26T16:52:50+01:00", "utc": "2004-09-26T15:52:50Z", "ms": 1096213969924.9722 }, "end": { "local": "2004-09-27T15:17:56+01:00", "utc": "2004-09-27T14:17:56Z", "ms": 1096294675982.0908 } }, "kaala": "udaya-3", "days": [ { "local_date": "2004-09-26", "window": { "start": { "local": "2004-09-26T05:54:21+01:00", "utc": "2004-09-26T04:54:21Z", "ms": 1096174461184.9778 }, "end": { "local": "2004-09-26T08:19:57+01:00", "utc": "2004-09-26T07:19:57Z", "ms": 1096183196921.8491 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "2004-09-27", "window": { "start": { "local": "2004-09-27T05:53:46+01:00", "utc": "2004-09-27T04:53:46Z", "ms": 1096260826152.591 }, "end": { "local": "2004-09-27T08:19:28+01:00", "utc": "2004-09-27T07:19:28Z", "ms": 1096269567736.8741 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:53 on Sun 26 Sep to 15:18 on Mon 27 Sep.", "fact": "2004-09-26T15:52:50Z → 2004-09-27T14:17:56Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:54–08:20 on the 26th, 05:54–08:19 on the 27th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 146 minutes on the 26th and 146 of 146 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25108 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Luanda, 2004: Monday 27 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananta-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)." } ], "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.", "kaala": "udaya-3", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-09-27", "confidence": "determinate" } ], "quote": "In Luanda, Ananta Caturdaśī 2004 falls on Monday 27 September. Caturdaśī runs from 16:53 on Sun 26 Sep to 15:18 on Mon 27 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/luanda/festivals/2004/ananta-chaturdashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sankashta-chaturthi?on=2004-10-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21687, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-10-01T14:10:53+01:00", "utc": "2004-10-01T13:10:53Z", "ms": 1096636252787.529 }, "end": { "local": "2004-10-02T15:27:08+01:00", "utc": "2004-10-02T14:27:08Z", "ms": 1096727227761.4763 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-01T14:10:53+01:00", "utc": "2004-10-01T13:10:53Z", "ms": 1096636252787.529 }, "end": { "local": "2004-10-02T15:27:08+01:00", "utc": "2004-10-02T14:27:08Z", "ms": 1096727227761.4763 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-10-01", "window": { "start": { "local": "2004-10-01T20:37:59+01:00", "utc": "2004-10-01T19:37:59Z", "ms": 1096659479161.5533 }, "end": { "local": "2004-10-01T20:37:59+01:00", "utc": "2004-10-01T19:37:59Z", "ms": 1096659479161.5533 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-10-02", "window": { "start": { "local": "2004-10-02T21:28:34+01:00", "utc": "2004-10-02T20:28:34Z", "ms": 1096748914420.1534 }, "end": { "local": "2004-10-02T21:28:34+01:00", "utc": "2004-10-02T20:28:34Z", "ms": 1096748914420.1534 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:11 on Fri 1 Oct to 15:27 on Sat 2 Oct.", "fact": "2004-10-01T13:10:53Z → 2004-10-02T14:27:08Z" }, { "step": "kaala", "text": "Moonrise is at 20:38 on the 1st and 21:29 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21687 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2004: Friday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-01", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2004 falls on Friday 1 October. Caturthī runs from 14:11 on Fri 1 Oct to 15:27 on Sat 2 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/sankashta-chaturthi?on=2004-10-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13295, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-10-03T17:16:36+01:00", "utc": "2004-10-03T16:16:36Z", "ms": 1096820196465.6383 }, "end": { "local": "2004-10-04T19:30:48+01:00", "utc": "2004-10-04T18:30:48Z", "ms": 1096914647680.346 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-03T17:16:36+01:00", "utc": "2004-10-03T16:16:36Z", "ms": 1096820196465.6383 }, "end": { "local": "2004-10-04T19:30:48+01:00", "utc": "2004-10-04T18:30:48Z", "ms": 1096914647680.346 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-10-03", "window": { "start": { "local": "2004-10-03T22:20:14+01:00", "utc": "2004-10-03T21:20:14Z", "ms": 1096838413623.9346 }, "end": { "local": "2004-10-03T22:20:14+01:00", "utc": "2004-10-03T21:20:14Z", "ms": 1096838413623.9346 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-10-04", "window": { "start": { "local": "2004-10-04T23:12:23+01:00", "utc": "2004-10-04T22:12:23Z", "ms": 1096927942832.0211 }, "end": { "local": "2004-10-04T23:12:23+01:00", "utc": "2004-10-04T22:12:23Z", "ms": 1096927942832.0211 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:17 on Sun 3 Oct to 19:31 on Mon 4 Oct.", "fact": "2004-10-03T16:16:36Z → 2004-10-04T18:30:48Z" }, { "step": "kaala", "text": "Moonrise is at 22:20 on the 3rd and 23:12 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13295 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Luanda, 2004: Sunday 3 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-03", "confidence": "determinate" } ], "quote": "In Luanda, Candra Ṣaṣṭhī 2004 falls on Sunday 3 October. Ṣaṣṭhī runs from 17:17 on Sun 3 Oct to 19:31 on Mon 4 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/chandra-shashthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1830, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-10-05T21:57:49+01:00", "utc": "2004-10-05T20:57:49Z", "ms": 1097009868638.5076 }, "end": { "local": "2004-10-07T00:23:50+01:00", "utc": "2004-10-06T23:23:50Z", "ms": 1097105030247.316 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-05T21:57:49+01:00", "utc": "2004-10-05T20:57:49Z", "ms": 1097009868638.5076 }, "end": { "local": "2004-10-07T00:23:50+01:00", "utc": "2004-10-06T23:23:50Z", "ms": 1097105030247.316 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-10-05", "window": { "start": { "local": "2004-10-06T00:04:06+01:00", "utc": "2004-10-05T23:04:06Z", "ms": 1097017445534.9159 }, "end": { "local": "2004-10-06T00:04:06+01:00", "utc": "2004-10-05T23:04:06Z", "ms": 1097017445534.9159 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-10-06", "window": { "start": { "local": "2004-10-07T00:54:20+01:00", "utc": "2004-10-06T23:54:20Z", "ms": 1097106859969.132 }, "end": { "local": "2004-10-07T00:54:20+01:00", "utc": "2004-10-06T23:54:20Z", "ms": 1097106859969.132 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 21:58 on Tue 5 Oct to 00:24 on Thu 7 Oct.", "fact": "2004-10-05T20:57:49Z → 2004-10-06T23:23:50Z" }, { "step": "kaala", "text": "Moonrise is at 00:04 on the 5th and 00:54 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1830 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Luanda, 2004: Tuesday 5 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-05", "confidence": "determinate" } ], "quote": "In Luanda, Mahālakṣmī Vrata Samāpana 2004 falls on Tuesday 5 October. Aṣṭamī runs from 21:58 on Tue 5 Oct to 00:24 on Thu 7 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/mahalakshmi-vrata-samapana", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8514, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-10-05T21:57:49+01:00", "utc": "2004-10-05T20:57:49Z", "ms": 1097009868638.5076 }, "end": { "local": "2004-10-07T00:23:50+01:00", "utc": "2004-10-06T23:23:50Z", "ms": 1097105030247.316 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-05T21:57:49+01:00", "utc": "2004-10-05T20:57:49Z", "ms": 1097009868638.5076 }, "end": { "local": "2004-10-07T00:23:50+01:00", "utc": "2004-10-06T23:23:50Z", "ms": 1097105030247.316 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-10-05", "window": { "start": { "local": "2004-10-05T18:01:38+01:00", "utc": "2004-10-05T17:01:38Z", "ms": 1096995697659.2837 }, "end": { "local": "2004-10-05T19:35:54+01:00", "utc": "2004-10-05T18:35:54Z", "ms": 1097001354371.7675 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2004-10-06", "window": { "start": { "local": "2004-10-06T18:01:35+01:00", "utc": "2004-10-06T17:01:35Z", "ms": 1097082094655.0519 }, "end": { "local": "2004-10-06T19:35:48+01:00", "utc": "2004-10-06T18:35:48Z", "ms": 1097087747517.1917 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 21:58 on Tue 5 Oct to 00:24 on Thu 7 Oct.", "fact": "2004-10-05T20:57:49Z → 2004-10-06T23:23:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:36 on the 5th, 18:02–19:36 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 94 minutes on the 5th and 94 of 94 on the 6th.", "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 8514 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Luanda, 2004: Wednesday 6 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-06", "confidence": "determinate" } ], "quote": "In Luanda, Jitāṣṭamī (Jitiya) 2004 falls on Wednesday 6 October. Aṣṭamī runs from 21:58 on Tue 5 Oct to 00:24 on Thu 7 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/jitashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-10-09", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1006, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-10-09T04:19:53+01:00", "utc": "2004-10-09T03:19:53Z", "ms": 1097291992712.2081 }, "end": { "local": "2004-10-10T05:29:53+01:00", "utc": "2004-10-10T04:29:53Z", "ms": 1097382592533.269 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-09T04:19:53+01:00", "utc": "2004-10-09T03:19:53Z", "ms": 1097291992712.2081 }, "end": { "local": "2004-10-10T05:29:53+01:00", "utc": "2004-10-10T04:29:53Z", "ms": 1097382592533.269 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-10-09", "window": { "start": { "local": "2004-10-09T05:47:09+01:00", "utc": "2004-10-09T04:47:09Z", "ms": 1097297228716.226 }, "end": { "local": "2004-10-09T05:47:09+01:00", "utc": "2004-10-09T04:47:09Z", "ms": 1097297228716.226 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-10-10", "window": { "start": { "local": "2004-10-10T05:46:38+01:00", "utc": "2004-10-10T04:46:38Z", "ms": 1097383598236.3635 }, "end": { "local": "2004-10-10T05:46:38+01:00", "utc": "2004-10-10T04:46:38Z", "ms": 1097383598236.3635 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:20 on Sat 9 Oct to 05:30 on Sun 10 Oct.", "fact": "2004-10-09T03:19:53Z → 2004-10-10T04:29:53Z" }, { "step": "kaala", "text": "Sunrise is at 05:47 on the 9th and 05:47 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 1006 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Luanda, 2004: Saturday 9 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-09", "confidence": "determinate" } ], "quote": "In Luanda, Indirā Ekādaśī 2004 falls on Saturday 9 October. Ekādaśī runs from 04:20 on Sat 9 Oct to 05:30 on Sun 10 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-10-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-10-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37011, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-10-11T06:00:49+01:00", "utc": "2004-10-11T05:00:49Z", "ms": 1097470848856.4012 }, "end": { "local": "2004-10-12T05:52:10+01:00", "utc": "2004-10-12T04:52:10Z", "ms": 1097556730343.3353 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-11T06:00:49+01:00", "utc": "2004-10-11T05:00:49Z", "ms": 1097470848856.4012 }, "end": { "local": "2004-10-12T05:52:10+01:00", "utc": "2004-10-12T04:52:10Z", "ms": 1097556730343.3353 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-10-10", "window": { "start": { "local": "2004-10-10T18:01:27+01:00", "utc": "2004-10-10T17:01:27Z", "ms": 1097427686850.144 }, "end": { "local": "2004-10-10T19:35:24+01:00", "utc": "2004-10-10T18:35:24Z", "ms": 1097433324372.262 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2004-10-11", "window": { "start": { "local": "2004-10-11T18:01:26+01:00", "utc": "2004-10-11T17:01:26Z", "ms": 1097514086028.6259 }, "end": { "local": "2004-10-11T19:35:20+01:00", "utc": "2004-10-11T18:35:20Z", "ms": 1097519719734.8374 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:01 on Mon 11 Oct to 05:52 on Tue 12 Oct.", "fact": "2004-10-11T05:00:49Z → 2004-10-12T04:52:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:35 on the 10th, 18:01–19:35 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 10th and 94 of 94 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37011 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2004: Monday 11 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-11", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2004 falls on Monday 11 October. Trayodaśī runs from 06:01 on Mon 11 Oct to 05:52 on Tue 12 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-10-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shivaratri?on=2004-10-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17349, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-10-12T05:52:10+01:00", "utc": "2004-10-12T04:52:10Z", "ms": 1097556730343.3353 }, "end": { "local": "2004-10-13T05:06:27+01:00", "utc": "2004-10-13T04:06:27Z", "ms": 1097640387007.7507 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-12T05:52:10+01:00", "utc": "2004-10-12T04:52:10Z", "ms": 1097556730343.3353 }, "end": { "local": "2004-10-13T05:06:27+01:00", "utc": "2004-10-13T04:06:27Z", "ms": 1097640387007.7507 } }, "kaala": "nishita", "days": [ { "local_date": "2004-10-11", "window": { "start": { "local": "2004-10-11T23:29:32+01:00", "utc": "2004-10-11T22:29:32Z", "ms": 1097533772426.919 }, "end": { "local": "2004-10-12T00:17:32+01:00", "utc": "2004-10-11T23:17:32Z", "ms": 1097536652426.919 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-10-12", "window": { "start": { "local": "2004-10-12T23:29:18+01:00", "utc": "2004-10-12T22:29:18Z", "ms": 1097620157809.8867 }, "end": { "local": "2004-10-13T00:17:18+01:00", "utc": "2004-10-12T23:17:18Z", "ms": 1097623037809.8867 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:52 on Tue 12 Oct to 05:06 on Wed 13 Oct.", "fact": "2004-10-12T04:52:10Z → 2004-10-13T04:06:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:30–00:18 on the 11th, 23:29–00:17 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 17349 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2004: Tuesday 12 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": "2004-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-12", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2004 falls on Tuesday 12 October. Caturdaśī runs from 05:52 on Tue 12 Oct to 05:06 on Wed 13 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/shivaratri?on=2004-10-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28828, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2004-10-13T05:06:27+01:00", "utc": "2004-10-13T04:06:27Z", "ms": 1097640387007.7507 }, "end": { "local": "2004-10-14T03:48:16+01:00", "utc": "2004-10-14T02:48:16Z", "ms": 1097722095693.5065 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-13T05:06:27+01:00", "utc": "2004-10-13T04:06:27Z", "ms": 1097640387007.7507 }, "end": { "local": "2004-10-14T03:48:16+01:00", "utc": "2004-10-14T02:48:16Z", "ms": 1097722095693.5065 } }, "kaala": "aparahna", "days": [ { "local_date": "2004-10-13", "window": { "start": { "local": "2004-10-13T13:06:55+01:00", "utc": "2004-10-13T12:06:55Z", "ms": 1097669215475.0603 }, "end": { "local": "2004-10-13T15:34:11+01:00", "utc": "2004-10-13T14:34:11Z", "ms": 1097678050655.7053 } }, "covered_min": 147, "window_min": 147, "qualifies": true }, { "local_date": "2004-10-14", "window": { "start": { "local": "2004-10-14T13:06:45+01:00", "utc": "2004-10-14T12:06:45Z", "ms": 1097755604536.6152 }, "end": { "local": "2004-10-14T15:34:06+01:00", "utc": "2004-10-14T14:34:06Z", "ms": 1097764445512.7583 } }, "covered_min": 0, "window_min": 147, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 05:06 on Wed 13 Oct to 03:48 on Thu 14 Oct.", "fact": "2004-10-13T04:06:27Z → 2004-10-14T02:48:16Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:07–15:34 on the 13th, 13:07–15:34 on the 14th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 147 of 147 minutes on the 13th and 0 of 147 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28828 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Luanda, 2004: Wednesday 13 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-13", "confidence": "determinate" } ], "quote": "In Luanda, Mahālaya Amāvāsyā 2004 falls on Wednesday 13 October. Amāvasyā runs from 05:06 on Wed 13 Oct to 03:48 on Thu 14 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/luanda/festivals/2004/mahalaya-amavasya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27648, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-10-14T03:48:16+01:00", "utc": "2004-10-14T02:48:16Z", "ms": 1097722095693.5065 }, "end": { "local": "2004-10-15T02:03:29+01:00", "utc": "2004-10-15T01:03:29Z", "ms": 1097802208757.1262 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-14T03:48:16+01:00", "utc": "2004-10-14T02:48:16Z", "ms": 1097722095693.5065 }, "end": { "local": "2004-10-15T02:03:29+01:00", "utc": "2004-10-15T01:03:29Z", "ms": 1097802208757.1262 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-10-14", "window": { "start": { "local": "2004-10-14T11:29:04+01:00", "utc": "2004-10-14T10:29:04Z", "ms": 1097749744048.5437 }, "end": { "local": "2004-10-14T12:17:04+01:00", "utc": "2004-10-14T11:17:04Z", "ms": 1097752624048.5437 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-10-15", "window": { "start": { "local": "2004-10-15T11:28:51+01:00", "utc": "2004-10-15T10:28:51Z", "ms": 1097836130761.3582 }, "end": { "local": "2004-10-15T12:16:51+01:00", "utc": "2004-10-15T11:16:51Z", "ms": 1097839010761.3582 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:48 on Thu 14 Oct to 02:03 on Fri 15 Oct.", "fact": "2004-10-14T02:48:16Z → 2004-10-15T01:03:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 14th, 11:29–12:17 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27648 s" }, { "step": "ruling", "text": "Navarātrārambha, Luanda, 2004: Thursday 14 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-14", "confidence": "determinate" } ], "quote": "In Luanda, Navarātrārambha (Navratri) 2004 falls on Thursday 14 October. Pratipadā runs from 03:48 on Thu 14 Oct to 02:03 on Fri 15 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/navaratra-arambha", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vinayaka-chaturthi?on=2004-10-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25042, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-10-16T21:39:55+01:00", "utc": "2004-10-16T20:39:55Z", "ms": 1097959195365.2294 }, "end": { "local": "2004-10-17T19:13:48+01:00", "utc": "2004-10-17T18:13:48Z", "ms": 1098036828343.041 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-16T21:39:55+01:00", "utc": "2004-10-16T20:39:55Z", "ms": 1097959195365.2294 }, "end": { "local": "2004-10-17T19:13:48+01:00", "utc": "2004-10-17T18:13:48Z", "ms": 1098036828343.041 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-10-16", "window": { "start": { "local": "2004-10-16T11:28:38+01:00", "utc": "2004-10-16T10:28:38Z", "ms": 1097922518036.613 }, "end": { "local": "2004-10-16T12:16:38+01:00", "utc": "2004-10-16T11:16:38Z", "ms": 1097925398036.613 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-10-17", "window": { "start": { "local": "2004-10-17T11:28:26+01:00", "utc": "2004-10-17T10:28:26Z", "ms": 1098008905887.4097 }, "end": { "local": "2004-10-17T12:16:26+01:00", "utc": "2004-10-17T11:16:26Z", "ms": 1098011785887.4097 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:40 on Sat 16 Oct to 19:14 on Sun 17 Oct.", "fact": "2004-10-16T20:39:55Z → 2004-10-17T18:13:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 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 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25042 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2004: Sunday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-17", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2004 falls on Sunday 17 October. Caturthī runs from 21:40 on Sat 16 Oct to 19:14 on Sun 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vinayaka-chaturthi?on=2004-10-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19927, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-10-19T14:20:58+01:00", "utc": "2004-10-19T13:20:58Z", "ms": 1098192057672.0372 }, "end": { "local": "2004-10-20T12:03:30+01:00", "utc": "2004-10-20T11:03:30Z", "ms": 1098270209560.0378 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-19T14:20:58+01:00", "utc": "2004-10-19T13:20:58Z", "ms": 1098192057672.0372 }, "end": { "local": "2004-10-20T12:03:30+01:00", "utc": "2004-10-20T11:03:30Z", "ms": 1098270209560.0378 } }, "kaala": "udaya-1", "days": [ { "local_date": "2004-10-19", "window": { "start": { "local": "2004-10-19T05:42:29+01:00", "utc": "2004-10-19T04:42:29Z", "ms": 1098160949098.0922 }, "end": { "local": "2004-10-19T06:31:46+01:00", "utc": "2004-10-19T05:31:46Z", "ms": 1098163905667.5715 } }, "covered_min": 0, "window_min": 49, "qualifies": false }, { "local_date": "2004-10-20", "window": { "start": { "local": "2004-10-20T05:42:05+01:00", "utc": "2004-10-20T04:42:05Z", "ms": 1098247324539.9353 }, "end": { "local": "2004-10-20T06:31:23+01:00", "utc": "2004-10-20T05:31:23Z", "ms": 1098250283005.0072 } }, "covered_min": 49, "window_min": 49, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:21 on Tue 19 Oct to 12:03 on Wed 20 Oct.", "fact": "2004-10-19T13:20:58Z → 2004-10-20T11:03:30Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:42–06:32 on the 19th, 05:42–06:31 on the 20th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 49 minutes on the 19th and 49 of 49 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19927 s" }, { "step": "ruling", "text": "Durgā Saptamī, Luanda, 2004: Wednesday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-20", "confidence": "determinate" } ], "quote": "In Luanda, Durgā Saptamī 2004 falls on Wednesday 20 October. Saptamī runs from 14:21 on Tue 19 Oct to 12:03 on Wed 20 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/luanda/festivals/2004/durga-saptami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 743, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-10-20T12:03:30+01:00", "utc": "2004-10-20T11:03:30Z", "ms": 1098270209560.0378 }, "end": { "local": "2004-10-21T09:57:03+01:00", "utc": "2004-10-21T08:57:03Z", "ms": 1098349022794.7854 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-20T12:03:30+01:00", "utc": "2004-10-20T11:03:30Z", "ms": 1098270209560.0378 }, "end": { "local": "2004-10-21T09:57:03+01:00", "utc": "2004-10-21T08:57:03Z", "ms": 1098349022794.7854 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-10-20", "window": { "start": { "local": "2004-10-20T11:27:53+01:00", "utc": "2004-10-20T10:27:53Z", "ms": 1098268073027.9747 }, "end": { "local": "2004-10-20T12:15:53+01:00", "utc": "2004-10-20T11:15:53Z", "ms": 1098270953027.9747 } }, "covered_min": 12, "window_min": 48, "qualifies": true }, { "local_date": "2004-10-21", "window": { "start": { "local": "2004-10-21T11:27:43+01:00", "utc": "2004-10-21T10:27:43Z", "ms": 1098354463318.4088 }, "end": { "local": "2004-10-21T12:15:43+01:00", "utc": "2004-10-21T11:15:43Z", "ms": 1098357343318.4088 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:03 on Wed 20 Oct to 09:57 on Thu 21 Oct.", "fact": "2004-10-20T11:03:30Z → 2004-10-21T08:57:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 20th, 11:28–12:16 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 12 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 743 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Luanda, 2004: Wednesday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-20", "confidence": "determinate" } ], "quote": "In Luanda, Mahāṣṭamī (Durga Ashtami) 2004 falls on Wednesday 20 October. Aṣṭamī runs from 12:03 on Wed 20 Oct to 09:57 on Thu 21 Oct and covers 12 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/mahashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5441, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2004-10-21T09:57:03+01:00", "utc": "2004-10-21T08:57:03Z", "ms": 1098349022794.7854 }, "end": { "local": "2004-10-22T08:04:42+01:00", "utc": "2004-10-22T07:04:42Z", "ms": 1098428682221.0996 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-21T09:57:03+01:00", "utc": "2004-10-21T08:57:03Z", "ms": 1098349022794.7854 }, "end": { "local": "2004-10-22T08:04:42+01:00", "utc": "2004-10-22T07:04:42Z", "ms": 1098428682221.0996 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-10-21", "window": { "start": { "local": "2004-10-21T11:27:43+01:00", "utc": "2004-10-21T10:27:43Z", "ms": 1098354463318.4088 }, "end": { "local": "2004-10-21T12:15:43+01:00", "utc": "2004-10-21T11:15:43Z", "ms": 1098357343318.4088 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-10-22", "window": { "start": { "local": "2004-10-22T11:27:34+01:00", "utc": "2004-10-22T10:27:34Z", "ms": 1098440854256.1729 }, "end": { "local": "2004-10-22T12:15:34+01:00", "utc": "2004-10-22T11:15:34Z", "ms": 1098443734256.1729 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 09:57 on Thu 21 Oct to 08:05 on Fri 22 Oct.", "fact": "2004-10-21T08:57:03Z → 2004-10-22T07:04:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "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 5441 s" }, { "step": "ruling", "text": "Mahānavamī, Luanda, 2004: Thursday 21 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-21", "confidence": "determinate" } ], "quote": "In Luanda, Mahānavamī 2004 falls on Thursday 21 October. Navamī runs from 09:57 on Thu 21 Oct to 08:05 on Fri 22 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/mahanavami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-22", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 198, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2004-10-22T08:04:42+01:00", "utc": "2004-10-22T07:04:42Z", "ms": 1098428682221.0996 }, "end": { "local": "2004-10-23T06:29:09+01:00", "utc": "2004-10-23T05:29:09Z", "ms": 1098509349323.6959 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2004-10-22T08:04:42+01:00", "utc": "2004-10-22T07:04:42Z", "ms": 1098428682221.0996 }, "end": { "local": "2004-10-22T08:08:00+01:00", "utc": "2004-10-22T07:08:00Z", "ms": 1098428879871.0208 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2004-10-21T09:17:47+01:00", "utc": "2004-10-21T08:17:47Z", "ms": 1098346666822.1504 }, "end": { "local": "2004-10-22T08:08:00+01:00", "utc": "2004-10-22T07:08:00Z", "ms": 1098428879871.0208 } } }, "kaala": "daytime", "days": [ { "local_date": "2004-10-21", "window": { "start": { "local": "2004-10-21T05:41:41+01:00", "utc": "2004-10-21T04:41:41Z", "ms": 1098333700672.1396 }, "end": { "local": "2004-10-21T18:01:46+01:00", "utc": "2004-10-21T17:01:46Z", "ms": 1098378105964.678 } }, "covered_min": 0, "window_min": 740, "qualifies": false }, { "local_date": "2004-10-22", "window": { "start": { "local": "2004-10-22T05:41:18+01:00", "utc": "2004-10-22T04:41:18Z", "ms": 1098420077514.2577 }, "end": { "local": "2004-10-22T18:01:51+01:00", "utc": "2004-10-22T17:01:51Z", "ms": 1098464510998.0879 } }, "covered_min": 3, "window_min": 741, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 08:05 on Fri 22 Oct to 06:29 on Sat 23 Oct, and Śravaṇa from 09:18 on Thu 21 Oct to 08:08 on Fri 22 Oct. They are together from 08:05 on Fri 22 Oct to 08:08 on Fri 22 Oct.", "fact": "2004-10-22T07:04:42Z → 2004-10-22T07:08:00Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 05:42–18:02 on the 21st, 05:41–18:02 on the 22nd.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 740 minutes on the 21st and 3 of 741 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 198 s < 300 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Luanda, 2004: Friday 22 October.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-22", "confidence": "boundary" } ], "quote": "In Luanda, Vijayā Daśamī (Dussehra) 2004 falls on Friday 22 October. Daśamī runs from 08:05 on Fri 22 Oct to 06:29 on Sat 23 Oct and is with Śravaṇa in the day time that day, for 3 minutes. It is 3 min 18 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2004/vijaya-dashami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-10-23", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1661, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-10-23T06:29:09+01:00", "utc": "2004-10-23T05:29:09Z", "ms": 1098509349323.6959 }, "end": { "local": "2004-10-24T05:12:52+01:00", "utc": "2004-10-24T04:12:52Z", "ms": 1098591172428.1974 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-23T06:29:09+01:00", "utc": "2004-10-23T05:29:09Z", "ms": 1098509349323.6959 }, "end": { "local": "2004-10-24T05:12:52+01:00", "utc": "2004-10-24T04:12:52Z", "ms": 1098591172428.1974 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-10-23", "window": { "start": { "local": "2004-10-23T05:40:55+01:00", "utc": "2004-10-23T04:40:55Z", "ms": 1098506455086.4574 }, "end": { "local": "2004-10-23T05:40:55+01:00", "utc": "2004-10-23T04:40:55Z", "ms": 1098506455086.4574 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-10-24", "window": { "start": { "local": "2004-10-24T05:40:33+01:00", "utc": "2004-10-24T04:40:33Z", "ms": 1098592833409.3597 }, "end": { "local": "2004-10-24T05:40:33+01:00", "utc": "2004-10-24T04:40:33Z", "ms": 1098592833409.3597 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:29 on Sat 23 Oct to 05:13 on Sun 24 Oct.", "fact": "2004-10-23T05:29:09Z → 2004-10-24T04:12:52Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 23rd and 05:41 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 1661 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Luanda, 2004: Saturday 23 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-23", "confidence": "determinate" } ], "quote": "In Luanda, Pāśāṅkuśā Ekādaśī 2004 falls on Saturday 23 October. Ekādaśī runs from 06:29 on Sat 23 Oct to 05:13 on Sun 24 Oct, and is current at sunrise on neither day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-10-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-10-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29548, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-10-25T04:18:15+01:00", "utc": "2004-10-25T03:18:15Z", "ms": 1098674295072.6667 }, "end": { "local": "2004-10-26T03:47:40+01:00", "utc": "2004-10-26T02:47:40Z", "ms": 1098758859571.9989 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2004-10-25T04:18:15+01:00", "utc": "2004-10-25T03:18:15Z", "ms": 1098674295072.6667 }, "end": { "local": "2004-10-26T03:47:40+01:00", "utc": "2004-10-26T02:47:40Z", "ms": 1098758859571.9989 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-10-24", "window": { "start": { "local": "2004-10-24T18:02:03+01:00", "utc": "2004-10-24T17:02:03Z", "ms": 1098637322869.1312 }, "end": { "local": "2004-10-24T19:35:08+01:00", "utc": "2004-10-24T18:35:08Z", "ms": 1098642908153.7595 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2004-10-25", "window": { "start": { "local": "2004-10-25T18:02:10+01:00", "utc": "2004-10-25T17:02:10Z", "ms": 1098723729732.4739 }, "end": { "local": "2004-10-25T19:35:11+01:00", "utc": "2004-10-25T18:35:11Z", "ms": 1098729311420.2554 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:18 on Mon 25 Oct to 03:48 on Tue 26 Oct.", "fact": "2004-10-25T03:18:15Z → 2004-10-26T02:47:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:35 on the 24th, 18:02–19:35 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 93 minutes on the 24th and 93 of 93 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 29548 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2004: Monday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-25", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2004 falls on Monday 25 October. Trayodaśī runs from 04:18 on Mon 25 Oct to 03:48 on Tue 26 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-10-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41329, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-10-31T08:13:57+01:00", "utc": "2004-10-31T07:13:57Z", "ms": 1099206836759.6311 }, "end": { "local": "2004-11-01T10:26:38+01:00", "utc": "2004-11-01T09:26:38Z", "ms": 1099301197823.931 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-10-31T08:13:57+01:00", "utc": "2004-10-31T07:13:57Z", "ms": 1099206836759.6311 }, "end": { "local": "2004-11-01T10:26:38+01:00", "utc": "2004-11-01T09:26:38Z", "ms": 1099301197823.931 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-10-31", "window": { "start": { "local": "2004-10-31T21:03:12+01:00", "utc": "2004-10-31T20:03:12Z", "ms": 1099252992192.3333 }, "end": { "local": "2004-10-31T21:03:12+01:00", "utc": "2004-10-31T20:03:12Z", "ms": 1099252992192.3333 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-11-01", "window": { "start": { "local": "2004-11-01T21:55:27+01:00", "utc": "2004-11-01T20:55:27Z", "ms": 1099342526619.5769 }, "end": { "local": "2004-11-01T21:55:27+01:00", "utc": "2004-11-01T20:55:27Z", "ms": 1099342526619.5769 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:14 on Sun 31 Oct to 10:27 on Mon 1 Nov.", "fact": "2004-10-31T07:13:57Z → 2004-11-01T09:26:38Z" }, { "step": "kaala", "text": "Moonrise is at 21:03 on the 31st and 21:55 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. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 41329 s" }, { "step": "ruling", "text": "Karaka Caturthī, Luanda, 2004: Sunday 31 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-31", "confidence": "determinate" } ], "quote": "In Luanda, Karaka Caturthī (Karwa Chauth) 2004 falls on Sunday 31 October. Caturthī runs from 08:14 on Sun 31 Oct to 10:27 on Mon 1 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/karaka-chaturthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sankashta-chaturthi?on=2004-10-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41329, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-10-31T08:13:57+01:00", "utc": "2004-10-31T07:13:57Z", "ms": 1099206836759.6311 }, "end": { "local": "2004-11-01T10:26:38+01:00", "utc": "2004-11-01T09:26:38Z", "ms": 1099301197823.931 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-10-31T08:13:57+01:00", "utc": "2004-10-31T07:13:57Z", "ms": 1099206836759.6311 }, "end": { "local": "2004-11-01T10:26:38+01:00", "utc": "2004-11-01T09:26:38Z", "ms": 1099301197823.931 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-10-31", "window": { "start": { "local": "2004-10-31T21:03:12+01:00", "utc": "2004-10-31T20:03:12Z", "ms": 1099252992192.3333 }, "end": { "local": "2004-10-31T21:03:12+01:00", "utc": "2004-10-31T20:03:12Z", "ms": 1099252992192.3333 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-11-01", "window": { "start": { "local": "2004-11-01T21:55:27+01:00", "utc": "2004-11-01T20:55:27Z", "ms": 1099342526619.5769 }, "end": { "local": "2004-11-01T21:55:27+01:00", "utc": "2004-11-01T20:55:27Z", "ms": 1099342526619.5769 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:14 on Sun 31 Oct to 10:27 on Mon 1 Nov.", "fact": "2004-10-31T07:13:57Z → 2004-11-01T09:26:38Z" }, { "step": "kaala", "text": "Moonrise is at 21:03 on the 31st and 21:55 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 41329 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2004: Sunday 31 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-10-31", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2004 falls on Sunday 31 October. Caturthī runs from 08:14 on Sun 31 Oct to 10:27 on Mon 1 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/sankashta-chaturthi?on=2004-10-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18791, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-11-04T17:48:56+01:00", "utc": "2004-11-04T16:48:56Z", "ms": 1099586936231.4438 }, "end": { "local": "2004-11-05T19:51:06+01:00", "utc": "2004-11-05T18:51:06Z", "ms": 1099680666413.0557 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-04T17:48:56+01:00", "utc": "2004-11-04T16:48:56Z", "ms": 1099586936231.4438 }, "end": { "local": "2004-11-05T19:51:06+01:00", "utc": "2004-11-05T18:51:06Z", "ms": 1099680666413.0557 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-11-04", "window": { "start": { "local": "2004-11-05T00:21:00+01:00", "utc": "2004-11-04T23:21:00Z", "ms": 1099610459978.1504 }, "end": { "local": "2004-11-05T00:21:00+01:00", "utc": "2004-11-04T23:21:00Z", "ms": 1099610459978.1504 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-11-05", "window": { "start": { "local": "2004-11-06T01:04:18+01:00", "utc": "2004-11-06T00:04:18Z", "ms": 1099699457596.7234 }, "end": { "local": "2004-11-06T01:04:18+01:00", "utc": "2004-11-06T00:04:18Z", "ms": 1099699457596.7234 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:49 on Thu 4 Nov to 19:51 on Fri 5 Nov.", "fact": "2004-11-04T16:48:56Z → 2004-11-05T18:51:06Z" }, { "step": "kaala", "text": "Moonrise is at 00:21 on the 4th and 01:04 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18791 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Luanda, 2004: Thursday 4 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-04", "confidence": "determinate" } ], "quote": "In Luanda, Ahoyī Aṣṭamī 2004 falls on Thursday 4 November. Aṣṭamī runs from 17:49 on Thu 4 Nov to 19:51 on Fri 5 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ahoyi-ashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-11-08", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26630, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-11-07T22:09:34+01:00", "utc": "2004-11-07T21:09:34Z", "ms": 1099861774248.9128 }, "end": { "local": "2004-11-08T22:12:55+01:00", "utc": "2004-11-08T21:12:55Z", "ms": 1099948374763.5415 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-07T22:09:34+01:00", "utc": "2004-11-07T21:09:34Z", "ms": 1099861774248.9128 }, "end": { "local": "2004-11-08T22:12:55+01:00", "utc": "2004-11-08T21:12:55Z", "ms": 1099948374763.5415 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-11-08", "window": { "start": { "local": "2004-11-08T05:36:52+01:00", "utc": "2004-11-08T04:36:52Z", "ms": 1099888611628.1382 }, "end": { "local": "2004-11-08T05:36:52+01:00", "utc": "2004-11-08T04:36:52Z", "ms": 1099888611628.1382 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2004-11-09", "window": { "start": { "local": "2004-11-09T05:36:44+01:00", "utc": "2004-11-09T04:36:44Z", "ms": 1099975004474.5706 }, "end": { "local": "2004-11-09T05:36:44+01:00", "utc": "2004-11-09T04:36:44Z", "ms": 1099975004474.5706 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:10 on Sun 7 Nov to 22:13 on Mon 8 Nov.", "fact": "2004-11-07T21:09:34Z → 2004-11-08T21:12:55Z" }, { "step": "kaala", "text": "Sunrise is at 05:37 on the 8th and 05:37 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26630 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Luanda, 2004: Monday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-08", "confidence": "determinate" } ], "quote": "In Luanda, Ramā Ekādaśī 2004 falls on Monday 8 November. Ekādaśī runs from 22:10 on Sun 7 Nov to 22:13 on Mon 8 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-11-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6767, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-11-08T22:12:55+01:00", "utc": "2004-11-08T21:12:55Z", "ms": 1099948374763.5415 }, "end": { "local": "2004-11-09T21:30:12+01:00", "utc": "2004-11-09T20:30:12Z", "ms": 1100032212349.8003 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-08T22:12:55+01:00", "utc": "2004-11-08T21:12:55Z", "ms": 1099948374763.5415 }, "end": { "local": "2004-11-09T21:30:12+01:00", "utc": "2004-11-09T20:30:12Z", "ms": 1100032212349.8003 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-11-08", "window": { "start": { "local": "2004-11-08T18:04:57+01:00", "utc": "2004-11-08T17:04:57Z", "ms": 1099933496816.354 }, "end": { "local": "2004-11-08T19:37:11+01:00", "utc": "2004-11-08T18:37:11Z", "ms": 1099939031170.783 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2004-11-09", "window": { "start": { "local": "2004-11-09T18:05:14+01:00", "utc": "2004-11-09T17:05:14Z", "ms": 1100019914028.0017 }, "end": { "local": "2004-11-09T19:37:25+01:00", "utc": "2004-11-09T18:37:25Z", "ms": 1100025445269.7996 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:13 on Mon 8 Nov to 21:30 on Tue 9 Nov.", "fact": "2004-11-08T21:12:55Z → 2004-11-09T20:30:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:37 on the 8th, 18:05–19:37 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 8th and 92 of 92 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6767 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Luanda, 2004: Tuesday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-09", "confidence": "determinate" } ], "quote": "In Luanda, Govatsa Dvādaśī (Vasu Baras) 2004 falls on Tuesday 9 November. Dvādaśī runs from 22:13 on Mon 8 Nov to 21:30 on Tue 9 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/govatsa-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1599, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-11-09T21:30:12+01:00", "utc": "2004-11-09T20:30:12Z", "ms": 1100032212349.8003 }, "end": { "local": "2004-11-10T20:04:19+01:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-09T21:30:12+01:00", "utc": "2004-11-09T20:30:12Z", "ms": 1100032212349.8003 }, "end": { "local": "2004-11-10T20:04:19+01:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-11-09", "window": { "start": { "local": "2004-11-09T18:05:14+01:00", "utc": "2004-11-09T17:05:14Z", "ms": 1100019914028.0017 }, "end": { "local": "2004-11-09T19:37:25+01:00", "utc": "2004-11-09T18:37:25Z", "ms": 1100025445269.7996 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2004-11-10", "window": { "start": { "local": "2004-11-10T18:05:32+01:00", "utc": "2004-11-10T17:05:32Z", "ms": 1100106331939.1902 }, "end": { "local": "2004-11-10T19:37:40+01:00", "utc": "2004-11-10T18:37:40Z", "ms": 1100111860111.8708 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:30 on Tue 9 Nov to 20:04 on Wed 10 Nov.", "fact": "2004-11-09T20:30:12Z → 2004-11-10T19:04:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:37 on the 9th, 18:06–19:38 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 9th and 92 of 92 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1599 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Luanda, 2004: Wednesday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-10", "confidence": "determinate" } ], "quote": "In Luanda, Yama Dīpadāna 2004 falls on Wednesday 10 November. Trayodaśī runs from 21:30 on Tue 9 Nov to 20:04 on Wed 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/yama-dipadana", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-11-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1599, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-11-09T21:30:12+01:00", "utc": "2004-11-09T20:30:12Z", "ms": 1100032212349.8003 }, "end": { "local": "2004-11-10T20:04:19+01:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-09T21:30:12+01:00", "utc": "2004-11-09T20:30:12Z", "ms": 1100032212349.8003 }, "end": { "local": "2004-11-10T20:04:19+01:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-11-09", "window": { "start": { "local": "2004-11-09T18:05:14+01:00", "utc": "2004-11-09T17:05:14Z", "ms": 1100019914028.0017 }, "end": { "local": "2004-11-09T19:37:25+01:00", "utc": "2004-11-09T18:37:25Z", "ms": 1100025445269.7996 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2004-11-10", "window": { "start": { "local": "2004-11-10T18:05:32+01:00", "utc": "2004-11-10T17:05:32Z", "ms": 1100106331939.1902 }, "end": { "local": "2004-11-10T19:37:40+01:00", "utc": "2004-11-10T18:37:40Z", "ms": 1100111860111.8708 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:30 on Tue 9 Nov to 20:04 on Wed 10 Nov.", "fact": "2004-11-09T20:30:12Z → 2004-11-10T19:04:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:37 on the 9th, 18:06–19:38 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 9th and 92 of 92 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1599 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2004: Wednesday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-10", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2004 falls on Wednesday 10 November. Trayodaśī runs from 21:30 on Tue 9 Nov to 20:04 on Wed 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-11-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shivaratri?on=2004-11-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12163, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-11-10T20:04:19+01:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 }, "end": { "local": "2004-11-11T18:00:50+01:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-10T20:04:19+01:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 }, "end": { "local": "2004-11-11T18:00:50+01:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 } }, "kaala": "nishita", "days": [ { "local_date": "2004-11-10", "window": { "start": { "local": "2004-11-10T23:27:03+01:00", "utc": "2004-11-10T22:27:03Z", "ms": 1100125622586.743 }, "end": { "local": "2004-11-11T00:15:03+01:00", "utc": "2004-11-10T23:15:03Z", "ms": 1100128502586.743 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-11-11", "window": { "start": { "local": "2004-11-11T23:27:10+01:00", "utc": "2004-11-11T22:27:10Z", "ms": 1100212029849.1401 }, "end": { "local": "2004-11-12T00:15:10+01:00", "utc": "2004-11-11T23:15:10Z", "ms": 1100214909849.1401 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:04 on Wed 10 Nov to 18:01 on Thu 11 Nov.", "fact": "2004-11-10T19:04:19Z → 2004-11-11T17:00:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 10th, 23:27–00:15 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12163 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2004: Wednesday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-10", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2004 falls on Wednesday 10 November. Caturdaśī runs from 20:04 on Wed 10 Nov to 18:01 on Thu 11 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/shivaratri?on=2004-11-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28806, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-11-10T20:04:19+01:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 }, "end": { "local": "2004-11-11T18:00:50+01:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-10T20:04:19+01:00", "utc": "2004-11-10T19:04:19Z", "ms": 1100113459258.103 }, "end": { "local": "2004-11-11T18:00:50+01:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 } }, "kaala": "arunodaya", "days": [ { "local_date": "2004-11-11", "window": { "start": { "local": "2004-11-11T04:04:25+01:00", "utc": "2004-11-11T03:04:25Z", "ms": 1100142265061.615 }, "end": { "local": "2004-11-11T05:36:33+01:00", "utc": "2004-11-11T04:36:33Z", "ms": 1100147793234.2957 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2004-11-12", "window": { "start": { "local": "2004-11-12T04:04:24+01:00", "utc": "2004-11-12T03:04:24Z", "ms": 1100228664007.8499 }, "end": { "local": "2004-11-12T05:36:29+01:00", "utc": "2004-11-12T04:36:29Z", "ms": 1100234189156.4717 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:04 on Wed 10 Nov to 18:01 on Thu 11 Nov.", "fact": "2004-11-10T19:04:19Z → 2004-11-11T17:00:50Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:04–05:37 on the 11th, 04:04–05:36 on the 12th.", "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 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 dawn qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28806 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Luanda, 2004: Thursday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-11", "confidence": "determinate" } ], "quote": "In Luanda, Naraka Caturdaśī (Choti Diwali) 2004 falls on Thursday 11 November. Caturdaśī runs from 20:04 on Wed 10 Nov to 18:01 on Thu 11 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/luanda/festivals/2004/naraka-chaturdashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 301, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2004-11-11T18:00:50+01:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 }, "end": { "local": "2004-11-12T15:27:11+01:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-11T18:00:50+01:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 }, "end": { "local": "2004-11-12T15:27:11+01:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-11-11", "window": { "start": { "local": "2004-11-11T18:05:51+01:00", "utc": "2004-11-11T17:05:51Z", "ms": 1100192750541.8088 }, "end": { "local": "2004-11-11T19:37:56+01:00", "utc": "2004-11-11T18:37:56Z", "ms": 1100198275690.4307 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2004-11-12", "window": { "start": { "local": "2004-11-12T18:06:10+01:00", "utc": "2004-11-12T17:06:10Z", "ms": 1100279169825.643 }, "end": { "local": "2004-11-12T19:38:12+01:00", "utc": "2004-11-12T18:38:12Z", "ms": 1100284691996.8357 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 18:01 on Thu 11 Nov to 15:27 on Fri 12 Nov.", "fact": "2004-11-11T17:00:50Z → 2004-11-12T14:27:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 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": "Amāvasyā 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 301 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Luanda, 2004: Thursday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-11", "confidence": "determinate" } ], "quote": "In Luanda, Lakṣmī Pūjā (Diwali) 2004 falls on Thursday 11 November. Amāvasyā runs from 18:01 on Thu 11 Nov to 15:27 on Fri 12 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/diwali-lakshmi-puja", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19580, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2004-11-11T18:00:50+01:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 }, "end": { "local": "2004-11-12T15:27:11+01:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-11T18:00:50+01:00", "utc": "2004-11-11T17:00:50Z", "ms": 1100192449783.7637 }, "end": { "local": "2004-11-12T15:27:11+01:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 } }, "kaala": "nishita", "days": [ { "local_date": "2004-11-11", "window": { "start": { "local": "2004-11-11T23:27:10+01:00", "utc": "2004-11-11T22:27:10Z", "ms": 1100212029849.1401 }, "end": { "local": "2004-11-12T00:15:10+01:00", "utc": "2004-11-11T23:15:10Z", "ms": 1100214909849.1401 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-11-12", "window": { "start": { "local": "2004-11-12T23:27:18+01:00", "utc": "2004-11-12T22:27:18Z", "ms": 1100298437967.6157 }, "end": { "local": "2004-11-13T00:15:18+01:00", "utc": "2004-11-12T23:15:18Z", "ms": 1100301317967.6157 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 18:01 on Thu 11 Nov to 15:27 on Fri 12 Nov.", "fact": "2004-11-11T17:00:50Z → 2004-11-12T14:27:11Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 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": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19580 s" }, { "step": "ruling", "text": "Kālī Pūjā, Luanda, 2004: Thursday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-11", "confidence": "determinate" } ], "quote": "In Luanda, Kālī Pūjā 2004 falls on Thursday 11 November. Amāvasyā runs from 18:01 on Thu 11 Nov to 15:27 on Fri 12 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/kali-puja", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9539, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-11-12T15:27:11+01:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "end": { "local": "2004-11-13T12:31:58+01:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-12T15:27:11+01:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "end": { "local": "2004-11-13T12:31:58+01:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-11-12", "window": { "start": { "local": "2004-11-12T18:06:10+01:00", "utc": "2004-11-12T17:06:10Z", "ms": 1100279169825.643 }, "end": { "local": "2004-11-12T19:38:12+01:00", "utc": "2004-11-12T18:38:12Z", "ms": 1100284691996.8357 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2004-11-13", "window": { "start": { "local": "2004-11-13T18:06:30+01:00", "utc": "2004-11-13T17:06:30Z", "ms": 1100365589778.519 }, "end": { "local": "2004-11-13T19:38:29+01:00", "utc": "2004-11-13T18:38:29Z", "ms": 1100371109020.5312 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:27 on Fri 12 Nov to 12:32 on Sat 13 Nov.", "fact": "2004-11-12T14:27:11Z → 2004-11-13T11:31:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 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": "Pratipadā must be present during pradoṣa. It covers 92 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": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9539 s" }, { "step": "ruling", "text": "Bali Pūjā, Luanda, 2004: Friday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-12", "confidence": "determinate" } ], "quote": "In Luanda, Bali Pūjā 2004 falls on Friday 12 November. Pratipadā runs from 15:27 on Fri 12 Nov to 12:32 on Sat 13 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/bali-puja", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 990, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-11-12T15:27:11+01:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "end": { "local": "2004-11-13T12:31:58+01:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-12T15:27:11+01:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "end": { "local": "2004-11-13T12:31:58+01:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-12", "window": { "start": { "local": "2004-11-12T11:27:19+01:00", "utc": "2004-11-12T10:27:19Z", "ms": 1100255239491.0574 }, "end": { "local": "2004-11-12T12:15:19+01:00", "utc": "2004-11-12T11:15:19Z", "ms": 1100258119491.0574 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-11-13", "window": { "start": { "local": "2004-11-13T11:27:28+01:00", "utc": "2004-11-13T10:27:28Z", "ms": 1100341647944.0537 }, "end": { "local": "2004-11-13T12:15:28+01:00", "utc": "2004-11-13T11:15:28Z", "ms": 1100344527944.0537 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:27 on Fri 12 Nov to 12:32 on Sat 13 Nov.", "fact": "2004-11-12T14:27:11Z → 2004-11-13T11:31:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 12th, 11:27–12:15 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 990 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Luanda, 2004: Saturday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-13", "confidence": "determinate" } ], "quote": "In Luanda, Govardhana Pūjā 2004 falls on Saturday 13 November. Pratipadā runs from 15:27 on Fri 12 Nov to 12:32 on Sat 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/govardhana-puja", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9931, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2004-11-12T15:27:11+01:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "end": { "local": "2004-11-13T12:31:58+01:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-12T15:27:11+01:00", "utc": "2004-11-12T14:27:11Z", "ms": 1100269630819.647 }, "end": { "local": "2004-11-13T12:31:58+01:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 } }, "kaala": "purvahna", "days": [ { "local_date": "2004-11-12", "window": { "start": { "local": "2004-11-12T05:36:29+01:00", "utc": "2004-11-12T04:36:29Z", "ms": 1100234189156.4717 }, "end": { "local": "2004-11-12T09:46:23+01:00", "utc": "2004-11-12T08:46:23Z", "ms": 1100249182712.862 } }, "covered_min": 0, "window_min": 250, "qualifies": false }, { "local_date": "2004-11-13", "window": { "start": { "local": "2004-11-13T05:36:26+01:00", "utc": "2004-11-13T04:36:26Z", "ms": 1100320586109.5886 }, "end": { "local": "2004-11-13T09:46:27+01:00", "utc": "2004-11-13T08:46:27Z", "ms": 1100335587332.5654 } }, "covered_min": 250, "window_min": 250, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:27 on Fri 12 Nov to 12:32 on Sat 13 Nov.", "fact": "2004-11-12T14:27:11Z → 2004-11-13T11:31:58Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:36–09:46 on the 12th, 05:36–09:46 on the 13th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 250 minutes on the 12th and 250 of 250 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9931 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Luanda, 2004: Saturday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-13", "confidence": "determinate" } ], "quote": "In Luanda, Dyūta Pratipad 2004 falls on Saturday 13 November. Pratipadā runs from 15:27 on Fri 12 Nov to 12:32 on Sat 13 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/luanda/festivals/2004/dyuta-pratipad", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 990, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2004-11-13T12:31:58+01:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 }, "end": { "local": "2004-11-14T09:24:19+01:00", "utc": "2004-11-14T08:24:19Z", "ms": 1100420659286.3745 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-13T12:31:58+01:00", "utc": "2004-11-13T11:31:58Z", "ms": 1100345517898.908 }, "end": { "local": "2004-11-14T09:24:19+01:00", "utc": "2004-11-14T08:24:19Z", "ms": 1100420659286.3745 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-13", "window": { "start": { "local": "2004-11-13T11:27:28+01:00", "utc": "2004-11-13T10:27:28Z", "ms": 1100341647944.0537 }, "end": { "local": "2004-11-13T12:15:28+01:00", "utc": "2004-11-13T11:15:28Z", "ms": 1100344527944.0537 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-11-14", "window": { "start": { "local": "2004-11-14T11:27:37+01:00", "utc": "2004-11-14T10:27:37Z", "ms": 1100428057240.1438 }, "end": { "local": "2004-11-14T12:15:37+01:00", "utc": "2004-11-14T11:15:37Z", "ms": 1100430937240.1438 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 12:32 on Sat 13 Nov to 09:24 on Sun 14 Nov.", "fact": "2004-11-13T11:31:58Z → 2004-11-14T08:24:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 990 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Luanda, 2004: Sunday 14 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-13", "confidence": "determinate" } ], "quote": "In Luanda, Yama Dvitīyā (Bhai Dooj) 2004 falls on Sunday 14 November. Dvitīyā runs from 12:32 on Sat 13 Nov to 09:24 on Sun 14 Nov, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/luanda/festivals/2004/yama-dvitiya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18860, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-11-15T06:13:27+01:00", "utc": "2004-11-15T05:13:27Z", "ms": 1100495606964.2185 }, "end": { "local": "2004-11-16T03:08:12+01:00", "utc": "2004-11-16T02:08:12Z", "ms": 1100570891882.6216 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-15T06:13:27+01:00", "utc": "2004-11-15T05:13:27Z", "ms": 1100495606964.2185 }, "end": { "local": "2004-11-16T03:08:12+01:00", "utc": "2004-11-16T02:08:12Z", "ms": 1100570891882.6216 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-15", "window": { "start": { "local": "2004-11-15T11:27:47+01:00", "utc": "2004-11-15T10:27:47Z", "ms": 1100514467371.3508 }, "end": { "local": "2004-11-15T12:15:47+01:00", "utc": "2004-11-15T11:15:47Z", "ms": 1100517347371.3508 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-11-16", "window": { "start": { "local": "2004-11-16T11:27:58+01:00", "utc": "2004-11-16T10:27:58Z", "ms": 1100600878329.2397 }, "end": { "local": "2004-11-16T12:15:58+01:00", "utc": "2004-11-16T11:15:58Z", "ms": 1100603758329.2397 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:13 on Mon 15 Nov to 03:08 on Tue 16 Nov.", "fact": "2004-11-15T05:13:27Z → 2004-11-16T02:08:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 15th, 11:28–12:16 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18860 s" }, { "step": "ruling", "text": "Nāga Caturthī, Luanda, 2004: Monday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-15", "confidence": "determinate" } ], "quote": "In Luanda, Nāga Caturthī 2004 falls on Monday 15 November. Caturthī runs from 06:13 on Mon 15 Nov to 03:08 on Tue 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/naga-chaturthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vinayaka-chaturthi?on=2004-11-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18860, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-11-15T06:13:27+01:00", "utc": "2004-11-15T05:13:27Z", "ms": 1100495606964.2185 }, "end": { "local": "2004-11-16T03:08:12+01:00", "utc": "2004-11-16T02:08:12Z", "ms": 1100570891882.6216 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-15T06:13:27+01:00", "utc": "2004-11-15T05:13:27Z", "ms": 1100495606964.2185 }, "end": { "local": "2004-11-16T03:08:12+01:00", "utc": "2004-11-16T02:08:12Z", "ms": 1100570891882.6216 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-15", "window": { "start": { "local": "2004-11-15T11:27:47+01:00", "utc": "2004-11-15T10:27:47Z", "ms": 1100514467371.3508 }, "end": { "local": "2004-11-15T12:15:47+01:00", "utc": "2004-11-15T11:15:47Z", "ms": 1100517347371.3508 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-11-16", "window": { "start": { "local": "2004-11-16T11:27:58+01:00", "utc": "2004-11-16T10:27:58Z", "ms": 1100600878329.2397 }, "end": { "local": "2004-11-16T12:15:58+01:00", "utc": "2004-11-16T11:15:58Z", "ms": 1100603758329.2397 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:13 on Mon 15 Nov to 03:08 on Tue 16 Nov.", "fact": "2004-11-15T05:13:27Z → 2004-11-16T02:08:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 15th, 11:28–12:16 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18860 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2004: Monday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-15", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2004 falls on Monday 15 November. Caturthī runs from 06:13 on Mon 15 Nov to 03:08 on Tue 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vinayaka-chaturthi?on=2004-11-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34185, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-11-17T00:16:41+01:00", "utc": "2004-11-16T23:16:41Z", "ms": 1100647001018.8655 }, "end": { "local": "2004-11-17T21:45:55+01:00", "utc": "2004-11-17T20:45:55Z", "ms": 1100724355077.9219 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-17T00:16:41+01:00", "utc": "2004-11-16T23:16:41Z", "ms": 1100647001018.8655 }, "end": { "local": "2004-11-17T21:45:55+01:00", "utc": "2004-11-17T20:45:55Z", "ms": 1100724355077.9219 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-16", "window": { "start": { "local": "2004-11-16T11:27:58+01:00", "utc": "2004-11-16T10:27:58Z", "ms": 1100600878329.2397 }, "end": { "local": "2004-11-16T12:15:58+01:00", "utc": "2004-11-16T11:15:58Z", "ms": 1100603758329.2397 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-11-17", "window": { "start": { "local": "2004-11-17T11:28:10+01:00", "utc": "2004-11-17T10:28:10Z", "ms": 1100687290105.2668 }, "end": { "local": "2004-11-17T12:16:10+01:00", "utc": "2004-11-17T11:16:10Z", "ms": 1100690170105.2668 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 00:17 on Wed 17 Nov to 21:46 on Wed 17 Nov.", "fact": "2004-11-16T23:16:41Z → 2004-11-17T20:45:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34185 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Luanda, 2004: Wednesday 17 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-17", "confidence": "determinate" } ], "quote": "In Luanda, Sūrya Ṣaṣṭhī (Chhath) 2004 falls on Wednesday 17 November. Ṣaṣṭhī runs from 00:17 on Wed 17 Nov to 21:46 on Wed 17 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/surya-shashthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21033, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2004-11-18T19:41:28+01:00", "utc": "2004-11-18T18:41:28Z", "ms": 1100803287666.6543 }, "end": { "local": "2004-11-19T18:07:09+01:00", "utc": "2004-11-19T17:07:09Z", "ms": 1100884028946.5422 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-18T19:41:28+01:00", "utc": "2004-11-18T18:41:28Z", "ms": 1100803287666.6543 }, "end": { "local": "2004-11-19T18:07:09+01:00", "utc": "2004-11-19T17:07:09Z", "ms": 1100884028946.5422 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-18", "window": { "start": { "local": "2004-11-18T11:28:23+01:00", "utc": "2004-11-18T10:28:23Z", "ms": 1100773702691.2656 }, "end": { "local": "2004-11-18T12:16:23+01:00", "utc": "2004-11-18T11:16:23Z", "ms": 1100776582691.2656 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-11-19", "window": { "start": { "local": "2004-11-19T11:28:36+01:00", "utc": "2004-11-19T10:28:36Z", "ms": 1100860116079.3281 }, "end": { "local": "2004-11-19T12:16:36+01:00", "utc": "2004-11-19T11:16:36Z", "ms": 1100862996079.3281 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:41 on Thu 18 Nov to 18:07 on Fri 19 Nov.", "fact": "2004-11-18T18:41:28Z → 2004-11-19T17:07:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21033 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Luanda, 2004: Friday 19 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-19", "confidence": "determinate" } ], "quote": "In Luanda, Gopāṣṭamī 2004 falls on Friday 19 November. Aṣṭamī runs from 19:41 on Thu 18 Nov to 18:07 on Fri 19 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/gopashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26254, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2004-11-19T18:07:09+01:00", "utc": "2004-11-19T17:07:09Z", "ms": 1100884028946.5422 }, "end": { "local": "2004-11-20T17:04:58+01:00", "utc": "2004-11-20T16:04:58Z", "ms": 1100966698215.9167 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-19T18:07:09+01:00", "utc": "2004-11-19T17:07:09Z", "ms": 1100884028946.5422 }, "end": { "local": "2004-11-20T17:04:58+01:00", "utc": "2004-11-20T16:04:58Z", "ms": 1100966698215.9167 } }, "kaala": "purvahna", "days": [ { "local_date": "2004-11-19", "window": { "start": { "local": "2004-11-19T05:36:29+01:00", "utc": "2004-11-19T04:36:29Z", "ms": 1100838989425.68 }, "end": { "local": "2004-11-19T09:47:14+01:00", "utc": "2004-11-19T08:47:14Z", "ms": 1100854033861.4453 } }, "covered_min": 0, "window_min": 251, "qualifies": false }, { "local_date": "2004-11-20", "window": { "start": { "local": "2004-11-20T05:36:34+01:00", "utc": "2004-11-20T04:36:34Z", "ms": 1100925393563.4048 }, "end": { "local": "2004-11-20T09:47:25+01:00", "utc": "2004-11-20T08:47:25Z", "ms": 1100940444695.602 } }, "covered_min": 251, "window_min": 251, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 18:07 on Fri 19 Nov to 17:05 on Sat 20 Nov.", "fact": "2004-11-19T17:07:09Z → 2004-11-20T16:04:58Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:36–09:47 on the 19th, 05:37–09:47 on the 20th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 251 minutes on the 19th and 251 of 251 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26254 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Luanda, 2004: Saturday 20 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-20", "confidence": "determinate" } ], "quote": "In Luanda, Akṣaya Navamī (Amla Navami) 2004 falls on Saturday 20 November. Navamī runs from 18:07 on Fri 19 Nov to 17:05 on Sat 20 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/luanda/festivals/2004/akshaya-navami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17288, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2004-11-19T18:07:09+01:00", "utc": "2004-11-19T17:07:09Z", "ms": 1100884028946.5422 }, "end": { "local": "2004-11-20T17:04:58+01:00", "utc": "2004-11-20T16:04:58Z", "ms": 1100966698215.9167 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-19T18:07:09+01:00", "utc": "2004-11-19T17:07:09Z", "ms": 1100884028946.5422 }, "end": { "local": "2004-11-20T17:04:58+01:00", "utc": "2004-11-20T16:04:58Z", "ms": 1100966698215.9167 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-19", "window": { "start": { "local": "2004-11-19T11:28:36+01:00", "utc": "2004-11-19T10:28:36Z", "ms": 1100860116079.3281 }, "end": { "local": "2004-11-19T12:16:36+01:00", "utc": "2004-11-19T11:16:36Z", "ms": 1100862996079.3281 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-11-20", "window": { "start": { "local": "2004-11-20T11:28:50+01:00", "utc": "2004-11-20T10:28:50Z", "ms": 1100946530261.7007 }, "end": { "local": "2004-11-20T12:16:50+01:00", "utc": "2004-11-20T11:16:50Z", "ms": 1100949410261.7007 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 18:07 on Fri 19 Nov to 17:05 on Sat 20 Nov.", "fact": "2004-11-19T17:07:09Z → 2004-11-20T16:04:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 19th, 11:29–12:17 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17288 s" }, { "step": "ruling", "text": "Durgā Navamī, Luanda, 2004: Saturday 20 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": "2004-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-20", "confidence": "determinate" } ], "quote": "In Luanda, Durgā Navamī 2004 falls on Saturday 20 November. Navamī runs from 18:07 on Fri 19 Nov to 17:05 on Sat 20 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/durga-navami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-11-22", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39511, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-11-21T16:35:09+01:00", "utc": "2004-11-21T15:35:09Z", "ms": 1101051309457.8228 }, "end": { "local": "2004-11-22T16:36:31+01:00", "utc": "2004-11-22T15:36:31Z", "ms": 1101137790937.6685 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-21T16:35:09+01:00", "utc": "2004-11-21T15:35:09Z", "ms": 1101051309457.8228 }, "end": { "local": "2004-11-22T16:36:31+01:00", "utc": "2004-11-22T15:36:31Z", "ms": 1101137790937.6685 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-11-21", "window": { "start": { "local": "2004-11-21T05:36:39+01:00", "utc": "2004-11-21T04:36:39Z", "ms": 1101011798721.582 }, "end": { "local": "2004-11-21T05:36:39+01:00", "utc": "2004-11-21T04:36:39Z", "ms": 1101011798721.582 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-11-22", "window": { "start": { "local": "2004-11-22T05:36:45+01:00", "utc": "2004-11-22T04:36:45Z", "ms": 1101098204898.4138 }, "end": { "local": "2004-11-22T05:36:45+01:00", "utc": "2004-11-22T04:36:45Z", "ms": 1101098204898.4138 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:35 on Sun 21 Nov to 16:37 on Mon 22 Nov.", "fact": "2004-11-21T15:35:09Z → 2004-11-22T15:36:31Z" }, { "step": "kaala", "text": "Sunrise is at 05:37 on the 21st and 05:37 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39511 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Luanda, 2004: Monday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-22", "confidence": "determinate" } ], "quote": "In Luanda, Prabodhinī Ekādaśī 2004 falls on Monday 22 November. Ekādaśī runs from 16:35 on Sun 21 Nov to 16:37 on Mon 22 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-11-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-11-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 419, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-11-23T17:06:55+01:00", "utc": "2004-11-23T16:06:55Z", "ms": 1101226015110.3345 }, "end": { "local": "2004-11-24T18:03:51+01:00", "utc": "2004-11-24T17:03:51Z", "ms": 1101315830532.8364 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-23T17:06:55+01:00", "utc": "2004-11-23T16:06:55Z", "ms": 1101226015110.3345 }, "end": { "local": "2004-11-24T18:03:51+01:00", "utc": "2004-11-24T17:03:51Z", "ms": 1101315830532.8364 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-11-23", "window": { "start": { "local": "2004-11-23T18:10:23+01:00", "utc": "2004-11-23T17:10:23Z", "ms": 1101229822897.9553 }, "end": { "local": "2004-11-23T19:41:56+01:00", "utc": "2004-11-23T18:41:56Z", "ms": 1101235315884.6204 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2004-11-24", "window": { "start": { "local": "2004-11-24T18:10:49+01:00", "utc": "2004-11-24T17:10:49Z", "ms": 1101316249246.3108 }, "end": { "local": "2004-11-24T19:42:20+01:00", "utc": "2004-11-24T18:42:20Z", "ms": 1101321739948.619 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:07 on Tue 23 Nov to 18:04 on Wed 24 Nov.", "fact": "2004-11-23T16:06:55Z → 2004-11-24T17:03:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:42 on the 23rd, 18:11–19:42 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 23rd and 0 of 92 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 419 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2004: Tuesday 23 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-23", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2004 falls on Tuesday 23 November. Trayodaśī runs from 17:07 on Tue 23 Nov to 18:04 on Wed 24 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-11-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8602, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-11-25T19:24:46+01:00", "utc": "2004-11-25T18:24:46Z", "ms": 1101407085588.5254 }, "end": { "local": "2004-11-26T21:07:16+01:00", "utc": "2004-11-26T20:07:16Z", "ms": 1101499635651.1597 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-25T19:24:46+01:00", "utc": "2004-11-25T18:24:46Z", "ms": 1101407085588.5254 }, "end": { "local": "2004-11-26T21:07:16+01:00", "utc": "2004-11-26T20:07:16Z", "ms": 1101499635651.1597 } }, "kaala": "nishita", "days": [ { "local_date": "2004-11-25", "window": { "start": { "local": "2004-11-25T23:30:18+01:00", "utc": "2004-11-25T22:30:18Z", "ms": 1101421817909.7212 }, "end": { "local": "2004-11-26T00:18:18+01:00", "utc": "2004-11-25T23:18:18Z", "ms": 1101424697909.7212 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-11-26", "window": { "start": { "local": "2004-11-26T23:30:37+01:00", "utc": "2004-11-26T22:30:37Z", "ms": 1101508237175.4663 }, "end": { "local": "2004-11-27T00:18:37+01:00", "utc": "2004-11-26T23:18:37Z", "ms": 1101511117175.4663 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:25 on Thu 25 Nov to 21:07 on Fri 26 Nov.", "fact": "2004-11-25T18:24:46Z → 2004-11-26T20:07:16Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:30–00:18 on the 25th, 23:31–00:19 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8602 s" }, { "step": "ruling", "text": "Rāsayātrā, Luanda, 2004: Thursday 25 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rasayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-25", "confidence": "determinate" } ], "quote": "In Luanda, Rāsayātrā 2004 falls on Thursday 25 November. Pūrṇimā runs from 19:25 on Thu 25 Nov to 21:07 on Fri 26 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/rasayatra", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25593, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-11-25T19:24:46+01:00", "utc": "2004-11-25T18:24:46Z", "ms": 1101407085588.5254 }, "end": { "local": "2004-11-26T21:07:16+01:00", "utc": "2004-11-26T20:07:16Z", "ms": 1101499635651.1597 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2004-11-25T19:24:46+01:00", "utc": "2004-11-25T18:24:46Z", "ms": 1101407085588.5254 }, "end": { "local": "2004-11-26T21:07:16+01:00", "utc": "2004-11-26T20:07:16Z", "ms": 1101499635651.1597 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-11-25", "window": { "start": { "local": "2004-11-25T11:30:13+01:00", "utc": "2004-11-25T10:30:13Z", "ms": 1101378612799.709 }, "end": { "local": "2004-11-25T12:18:13+01:00", "utc": "2004-11-25T11:18:13Z", "ms": 1101381492799.709 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-11-26", "window": { "start": { "local": "2004-11-26T11:30:32+01:00", "utc": "2004-11-26T10:30:32Z", "ms": 1101465031566.3115 }, "end": { "local": "2004-11-26T12:18:32+01:00", "utc": "2004-11-26T11:18:32Z", "ms": 1101467911566.3115 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:25 on Thu 25 Nov to 21:07 on Fri 26 Nov.", "fact": "2004-11-25T18:24:46Z → 2004-11-26T20:07:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 25th, 11:31–12:19 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25593 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Luanda, 2004: Friday 26 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kartiki-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-26", "confidence": "determinate" } ], "quote": "In Luanda, Kārtikī Pūrṇimā 2004 falls on Friday 26 November. Pūrṇimā runs from 19:25 on Thu 25 Nov to 21:07 on Fri 26 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/kartiki-purnima", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sankashta-chaturthi?on=2004-11-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26144, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-11-30T03:55:22+01:00", "utc": "2004-11-30T02:55:22Z", "ms": 1101783322368.1035 }, "end": { "local": "2004-12-01T06:29:34+01:00", "utc": "2004-12-01T05:29:34Z", "ms": 1101878973864.802 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-11-30T03:55:22+01:00", "utc": "2004-11-30T02:55:22Z", "ms": 1101783322368.1035 }, "end": { "local": "2004-12-01T06:29:34+01:00", "utc": "2004-12-01T05:29:34Z", "ms": 1101878973864.802 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-11-29", "window": { "start": { "local": "2004-11-29T20:39:39+01:00", "utc": "2004-11-29T19:39:39Z", "ms": 1101757178701.36 }, "end": { "local": "2004-11-29T20:39:39+01:00", "utc": "2004-11-29T19:39:39Z", "ms": 1101757178701.36 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-11-30", "window": { "start": { "local": "2004-11-30T21:29:12+01:00", "utc": "2004-11-30T20:29:12Z", "ms": 1101846551734.283 }, "end": { "local": "2004-11-30T21:29:12+01:00", "utc": "2004-11-30T20:29:12Z", "ms": 1101846551734.283 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:55 on Tue 30 Nov to 06:30 on Wed 1 Dec.", "fact": "2004-11-30T02:55:22Z → 2004-12-01T05:29:34Z" }, { "step": "kaala", "text": "Moonrise is at 20:40 on the 29th and 21:29 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26144 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2004: Tuesday 30 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-11-30", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2004 falls on Tuesday 30 November. Caturthī runs from 03:55 on Tue 30 Nov to 06:30 on Wed 1 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/sankashta-chaturthi?on=2004-11-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-12-08", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28490, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-12-07T14:41:51+01:00", "utc": "2004-12-07T13:41:51Z", "ms": 1102426910821.251 }, "end": { "local": "2004-12-08T13:35:27+01:00", "utc": "2004-12-08T12:35:27Z", "ms": 1102509327137.1824 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-07T14:41:51+01:00", "utc": "2004-12-07T13:41:51Z", "ms": 1102426910821.251 }, "end": { "local": "2004-12-08T13:35:27+01:00", "utc": "2004-12-08T12:35:27Z", "ms": 1102509327137.1824 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-12-07", "window": { "start": { "local": "2004-12-07T05:40:16+01:00", "utc": "2004-12-07T04:40:16Z", "ms": 1102394415764.2175 }, "end": { "local": "2004-12-07T05:40:16+01:00", "utc": "2004-12-07T04:40:16Z", "ms": 1102394415764.2175 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-12-08", "window": { "start": { "local": "2004-12-08T05:40:37+01:00", "utc": "2004-12-08T04:40:37Z", "ms": 1102480837176.0735 }, "end": { "local": "2004-12-08T05:40:37+01:00", "utc": "2004-12-08T04:40:37Z", "ms": 1102480837176.0735 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:42 on Tue 7 Dec to 13:35 on Wed 8 Dec.", "fact": "2004-12-07T13:41:51Z → 2004-12-08T12:35:27Z" }, { "step": "kaala", "text": "Sunrise is at 05:40 on the 7th and 05:41 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28490 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Luanda, 2004: Wednesday 8 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-08", "confidence": "determinate" } ], "quote": "In Luanda, Utpannā Ekādaśī 2004 falls on Wednesday 8 December. Ekādaśī runs from 14:42 on Tue 7 Dec to 13:35 on Wed 8 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-12-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-12-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23776, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-12-09T11:41:56+01:00", "utc": "2004-12-09T10:41:56Z", "ms": 1102588915625.0205 }, "end": { "local": "2004-12-10T09:07:13+01:00", "utc": "2004-12-10T08:07:13Z", "ms": 1102666032710.6003 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-09T11:41:56+01:00", "utc": "2004-12-09T10:41:56Z", "ms": 1102588915625.0205 }, "end": { "local": "2004-12-10T09:07:13+01:00", "utc": "2004-12-10T08:07:13Z", "ms": 1102666032710.6003 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-12-09", "window": { "start": { "local": "2004-12-09T18:18:11+01:00", "utc": "2004-12-09T17:18:11Z", "ms": 1102612691440.0168 }, "end": { "local": "2004-12-09T19:49:17+01:00", "utc": "2004-12-09T18:49:17Z", "ms": 1102618156903.4512 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2004-12-10", "window": { "start": { "local": "2004-12-10T18:18:43+01:00", "utc": "2004-12-10T17:18:43Z", "ms": 1102699122863.934 }, "end": { "local": "2004-12-10T19:49:47+01:00", "utc": "2004-12-10T18:49:47Z", "ms": 1102704587306.9583 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:42 on Thu 9 Dec to 09:07 on Fri 10 Dec.", "fact": "2004-12-09T10:41:56Z → 2004-12-10T08:07:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:49 on the 9th, 18:19–19:50 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 9th and 0 of 91 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23776 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2004: Thursday 9 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-09", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2004 falls on Thursday 9 December. Trayodaśī runs from 11:42 on Thu 9 Dec to 09:07 on Fri 10 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-12-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/shivaratri?on=2004-12-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20122, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2004-12-10T09:07:13+01:00", "utc": "2004-12-10T08:07:13Z", "ms": 1102666032710.6003 }, "end": { "local": "2004-12-11T05:59:37+01:00", "utc": "2004-12-11T04:59:37Z", "ms": 1102741176798.1514 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-10T09:07:13+01:00", "utc": "2004-12-10T08:07:13Z", "ms": 1102666032710.6003 }, "end": { "local": "2004-12-11T05:59:37+01:00", "utc": "2004-12-11T04:59:37Z", "ms": 1102741176798.1514 } }, "kaala": "nishita", "days": [ { "local_date": "2004-12-09", "window": { "start": { "local": "2004-12-09T23:35:47+01:00", "utc": "2004-12-09T22:35:47Z", "ms": 1102631746927.8955 }, "end": { "local": "2004-12-10T00:23:47+01:00", "utc": "2004-12-09T23:23:47Z", "ms": 1102634626927.8955 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-12-10", "window": { "start": { "local": "2004-12-10T23:36:15+01:00", "utc": "2004-12-10T22:36:15Z", "ms": 1102718174525.2747 }, "end": { "local": "2004-12-11T00:24:15+01:00", "utc": "2004-12-10T23:24:15Z", "ms": 1102721054525.2747 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:07 on Fri 10 Dec to 06:00 on Sat 11 Dec.", "fact": "2004-12-10T08:07:13Z → 2004-12-11T04:59:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:36–00:24 on the 9th, 23:36–00:24 on the 10th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20122 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2004: Friday 10 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-10", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2004 falls on Friday 10 December. Caturdaśī runs from 09:07 on Fri 10 Dec to 06:00 on Sat 11 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2004/shivaratri?on=2004-12-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 622, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2004-12-15T12:16:02+01:00", "utc": "2004-12-15T11:16:02Z", "ms": 1103109361818.8533 }, "end": { "local": "2004-12-16T09:33:00+01:00", "utc": "2004-12-16T08:33:00Z", "ms": 1103185979600.2993 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-15T12:16:02+01:00", "utc": "2004-12-15T11:16:02Z", "ms": 1103109361818.8533 }, "end": { "local": "2004-12-16T09:33:00+01:00", "utc": "2004-12-16T08:33:00Z", "ms": 1103185979600.2993 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-12-15", "window": { "start": { "local": "2004-12-15T11:38:24+01:00", "utc": "2004-12-15T10:38:24Z", "ms": 1103107104110.4358 }, "end": { "local": "2004-12-15T12:26:24+01:00", "utc": "2004-12-15T11:26:24Z", "ms": 1103109984110.4358 } }, "covered_min": 10, "window_min": 48, "qualifies": true }, { "local_date": "2004-12-16", "window": { "start": { "local": "2004-12-16T11:38:53+01:00", "utc": "2004-12-16T10:38:53Z", "ms": 1103193533217.5103 }, "end": { "local": "2004-12-16T12:26:53+01:00", "utc": "2004-12-16T11:26:53Z", "ms": 1103196413217.5103 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:16 on Wed 15 Dec to 09:33 on Thu 16 Dec.", "fact": "2004-12-15T11:16:02Z → 2004-12-16T08:33:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Pañcamī must be present during madhyāhna. It covers 10 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 622 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Luanda, 2004: Wednesday 15 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-15", "confidence": "determinate" } ], "quote": "In Luanda, Nāga Pañcamī (Mārgaśīrṣa) 2004 falls on Wednesday 15 December. Pañcamī runs from 12:16 on Wed 15 Dec to 09:33 on Thu 16 Dec and covers 10 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/naga-panchami-margashirsha", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/vinayaka-chaturthi?on=2004-12-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 622, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-12-14T15:29:00+01:00", "utc": "2004-12-14T14:29:00Z", "ms": 1103034539977.5896 }, "end": { "local": "2004-12-15T12:16:02+01:00", "utc": "2004-12-15T11:16:02Z", "ms": 1103109361818.8533 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-14T15:29:00+01:00", "utc": "2004-12-14T14:29:00Z", "ms": 1103034539977.5896 }, "end": { "local": "2004-12-15T12:16:02+01:00", "utc": "2004-12-15T11:16:02Z", "ms": 1103109361818.8533 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-12-14", "window": { "start": { "local": "2004-12-14T11:37:55+01:00", "utc": "2004-12-14T10:37:55Z", "ms": 1103020675224.4097 }, "end": { "local": "2004-12-14T12:25:55+01:00", "utc": "2004-12-14T11:25:55Z", "ms": 1103023555224.4097 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2004-12-15", "window": { "start": { "local": "2004-12-15T11:38:24+01:00", "utc": "2004-12-15T10:38:24Z", "ms": 1103107104110.4358 }, "end": { "local": "2004-12-15T12:26:24+01:00", "utc": "2004-12-15T11:26:24Z", "ms": 1103109984110.4358 } }, "covered_min": 38, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:29 on Tue 14 Dec to 12:16 on Wed 15 Dec.", "fact": "2004-12-14T14:29:00Z → 2004-12-15T11:16:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 14th, 11:38–12:26 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 38 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 622 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2004: Wednesday 15 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-15", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2004 falls on Wednesday 15 December. Caturthī runs from 15:29 on Tue 14 Dec to 12:16 on Wed 15 Dec and covers 38 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/vinayaka-chaturthi?on=2004-12-15", "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/2004/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7554, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-12-16T09:33:00+01:00", "utc": "2004-12-16T08:33:00Z", "ms": 1103185979600.2993 }, "end": { "local": "2004-12-17T07:27:25+01:00", "utc": "2004-12-17T06:27:25Z", "ms": 1103264845198.116 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-16T09:33:00+01:00", "utc": "2004-12-16T08:33:00Z", "ms": 1103185979600.2993 }, "end": { "local": "2004-12-17T07:27:25+01:00", "utc": "2004-12-17T06:27:25Z", "ms": 1103264845198.116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-12-16", "window": { "start": { "local": "2004-12-16T11:38:53+01:00", "utc": "2004-12-16T10:38:53Z", "ms": 1103193533217.5103 }, "end": { "local": "2004-12-16T12:26:53+01:00", "utc": "2004-12-16T11:26:53Z", "ms": 1103196413217.5103 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-12-17", "window": { "start": { "local": "2004-12-17T11:39:23+01:00", "utc": "2004-12-17T10:39:23Z", "ms": 1103279962509.8545 }, "end": { "local": "2004-12-17T12:27:23+01:00", "utc": "2004-12-17T11:27:23Z", "ms": 1103282842509.8545 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:33 on Thu 16 Dec to 07:27 on Fri 17 Dec.", "fact": "2004-12-16T08:33:00Z → 2004-12-17T06:27:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7554 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Luanda, 2004: Thursday 16 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-16", "confidence": "determinate" } ], "quote": "In Luanda, Campā Ṣaṣṭhī 2004 falls on Thursday 16 December. Ṣaṣṭhī runs from 09:33 on Thu 16 Dec to 07:27 on Fri 17 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/champa-shashthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7554, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2004-12-16T09:33:00+01:00", "utc": "2004-12-16T08:33:00Z", "ms": 1103185979600.2993 }, "end": { "local": "2004-12-17T07:27:25+01:00", "utc": "2004-12-17T06:27:25Z", "ms": 1103264845198.116 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-16T09:33:00+01:00", "utc": "2004-12-16T08:33:00Z", "ms": 1103185979600.2993 }, "end": { "local": "2004-12-17T07:27:25+01:00", "utc": "2004-12-17T06:27:25Z", "ms": 1103264845198.116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-12-16", "window": { "start": { "local": "2004-12-16T11:38:53+01:00", "utc": "2004-12-16T10:38:53Z", "ms": 1103193533217.5103 }, "end": { "local": "2004-12-16T12:26:53+01:00", "utc": "2004-12-16T11:26:53Z", "ms": 1103196413217.5103 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-12-17", "window": { "start": { "local": "2004-12-17T11:39:23+01:00", "utc": "2004-12-17T10:39:23Z", "ms": 1103279962509.8545 }, "end": { "local": "2004-12-17T12:27:23+01:00", "utc": "2004-12-17T11:27:23Z", "ms": 1103282842509.8545 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:33 on Thu 16 Dec to 07:27 on Fri 17 Dec.", "fact": "2004-12-16T08:33:00Z → 2004-12-17T06:27:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7554 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Luanda, 2004: Thursday 16 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-16", "confidence": "determinate" } ], "quote": "In Luanda, Skanda Ṣaṣṭhī 2004 falls on Thursday 16 December. Ṣaṣṭhī runs from 09:33 on Thu 16 Dec to 07:27 on Fri 17 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/skanda-shashthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15117, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2004-12-17T07:27:25+01:00", "utc": "2004-12-17T06:27:25Z", "ms": 1103264845198.116 }, "end": { "local": "2004-12-18T06:04:24+01:00", "utc": "2004-12-18T05:04:24Z", "ms": 1103346263754.8525 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-17T07:27:25+01:00", "utc": "2004-12-17T06:27:25Z", "ms": 1103264845198.116 }, "end": { "local": "2004-12-18T06:04:24+01:00", "utc": "2004-12-18T05:04:24Z", "ms": 1103346263754.8525 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-12-17", "window": { "start": { "local": "2004-12-17T11:39:23+01:00", "utc": "2004-12-17T10:39:23Z", "ms": 1103279962509.8545 }, "end": { "local": "2004-12-17T12:27:23+01:00", "utc": "2004-12-17T11:27:23Z", "ms": 1103282842509.8545 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-12-18", "window": { "start": { "local": "2004-12-18T11:39:52+01:00", "utc": "2004-12-18T10:39:52Z", "ms": 1103366391952.8713 }, "end": { "local": "2004-12-18T12:27:52+01:00", "utc": "2004-12-18T11:27:52Z", "ms": 1103369271952.8713 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:27 on Fri 17 Dec to 06:04 on Sat 18 Dec.", "fact": "2004-12-17T06:27:25Z → 2004-12-18T05:04:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 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": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15117 s" }, { "step": "ruling", "text": "Mitra Saptamī, Luanda, 2004: Friday 17 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-17", "confidence": "determinate" } ], "quote": "In Luanda, Mitra Saptamī 2004 falls on Friday 17 December. Saptamī runs from 07:27 on Fri 17 Dec to 06:04 on Sat 18 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/mitra-saptami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/ekadashi?on=2004-12-22", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1779, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2004-12-21T06:15:57+01:00", "utc": "2004-12-21T05:15:57Z", "ms": 1103606157438.6 }, "end": { "local": "2004-12-22T07:34:08+01:00", "utc": "2004-12-22T06:34:08Z", "ms": 1103697247695.875 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-21T06:15:57+01:00", "utc": "2004-12-21T05:15:57Z", "ms": 1103606157438.6 }, "end": { "local": "2004-12-22T07:34:08+01:00", "utc": "2004-12-22T06:34:08Z", "ms": 1103697247695.875 } }, "kaala": "sunrise", "days": [ { "local_date": "2004-12-21", "window": { "start": { "local": "2004-12-21T05:46:18+01:00", "utc": "2004-12-21T04:46:18Z", "ms": 1103604378107.605 }, "end": { "local": "2004-12-21T05:46:18+01:00", "utc": "2004-12-21T04:46:18Z", "ms": 1103604378107.605 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-12-22", "window": { "start": { "local": "2004-12-22T05:46:48+01:00", "utc": "2004-12-22T04:46:48Z", "ms": 1103690807981.845 }, "end": { "local": "2004-12-22T05:46:48+01:00", "utc": "2004-12-22T04:46:48Z", "ms": 1103690807981.845 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:16 on Tue 21 Dec to 07:34 on Wed 22 Dec.", "fact": "2004-12-21T05:15:57Z → 2004-12-22T06:34:08Z" }, { "step": "kaala", "text": "Sunrise is at 05:46 on the 21st and 05:47 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1779 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Luanda, 2004: Wednesday 22 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-22", "confidence": "determinate" } ], "quote": "In Luanda, Mokṣadā Ekādaśī 2004 falls on Wednesday 22 December. Ekādaśī runs from 06:16 on Tue 21 Dec to 07:34 on Wed 22 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/ekadashi?on=2004-12-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8621, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2004-12-22T07:34:08+01:00", "utc": "2004-12-22T06:34:08Z", "ms": 1103697247695.875 }, "end": { "local": "2004-12-23T09:18:39+01:00", "utc": "2004-12-23T08:18:39Z", "ms": 1103789918909.036 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-22T07:34:08+01:00", "utc": "2004-12-22T06:34:08Z", "ms": 1103697247695.875 }, "end": { "local": "2004-12-23T09:18:39+01:00", "utc": "2004-12-23T08:18:39Z", "ms": 1103789918909.036 } }, "kaala": "madhyahna", "days": [ { "local_date": "2004-12-22", "window": { "start": { "local": "2004-12-22T11:41:51+01:00", "utc": "2004-12-22T10:41:51Z", "ms": 1103712110570.0396 }, "end": { "local": "2004-12-22T12:29:51+01:00", "utc": "2004-12-22T11:29:51Z", "ms": 1103714990570.0396 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2004-12-23", "window": { "start": { "local": "2004-12-23T11:42:20+01:00", "utc": "2004-12-23T10:42:20Z", "ms": 1103798540275.296 }, "end": { "local": "2004-12-23T12:30:20+01:00", "utc": "2004-12-23T11:30:20Z", "ms": 1103801420275.296 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:34 on Wed 22 Dec to 09:19 on Thu 23 Dec.", "fact": "2004-12-22T06:34:08Z → 2004-12-23T08:18:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 22nd, 11:42–12:30 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8621 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Luanda, 2004: Wednesday 22 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-22", "confidence": "determinate" } ], "quote": "In Luanda, Akhaṇḍa Dvādaśī 2004 falls on Wednesday 22 December. Dvādaśī runs from 07:34 on Wed 22 Dec to 09:19 on Thu 23 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2004/akhanda-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/pradosha-vrata?on=2004-12-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25394, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2004-12-23T09:18:39+01:00", "utc": "2004-12-23T08:18:39Z", "ms": 1103789918909.036 }, "end": { "local": "2004-12-24T11:22:37+01:00", "utc": "2004-12-24T10:22:37Z", "ms": 1103883757157.0208 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-23T09:18:39+01:00", "utc": "2004-12-23T08:18:39Z", "ms": 1103789918909.036 }, "end": { "local": "2004-12-24T11:22:37+01:00", "utc": "2004-12-24T10:22:37Z", "ms": 1103883757157.0208 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-12-23", "window": { "start": { "local": "2004-12-23T18:25:22+01:00", "utc": "2004-12-23T17:25:22Z", "ms": 1103822722336.0374 }, "end": { "local": "2004-12-23T19:56:22+01:00", "utc": "2004-12-23T18:56:22Z", "ms": 1103828181861.0999 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2004-12-24", "window": { "start": { "local": "2004-12-24T18:25:51+01:00", "utc": "2004-12-24T17:25:51Z", "ms": 1103909151102.461 }, "end": { "local": "2004-12-24T19:56:51+01:00", "utc": "2004-12-24T18:56:51Z", "ms": 1103914610905.9304 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:19 on Thu 23 Dec to 11:23 on Fri 24 Dec.", "fact": "2004-12-23T08:18:39Z → 2004-12-24T10:22:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–19:56 on the 23rd, 18:26–19:57 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 23rd and 0 of 91 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25394 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2004: Thursday 23 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-23", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2004 falls on Thursday 23 December. Trayodaśī runs from 09:19 on Thu 23 Dec to 11:23 on Fri 24 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/pradosha-vrata?on=2004-12-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8427, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2004-12-25T13:40:06+01:00", "utc": "2004-12-25T12:40:06Z", "ms": 1103978406177.2812 }, "end": { "local": "2004-12-26T16:06:20+01:00", "utc": "2004-12-26T15:06:20Z", "ms": 1104073580095.381 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-25T13:40:06+01:00", "utc": "2004-12-25T12:40:06Z", "ms": 1103978406177.2812 }, "end": { "local": "2004-12-26T16:06:20+01:00", "utc": "2004-12-26T15:06:20Z", "ms": 1104073580095.381 } }, "kaala": "pradosha", "days": [ { "local_date": "2004-12-25", "window": { "start": { "local": "2004-12-25T18:26:19+01:00", "utc": "2004-12-25T17:26:19Z", "ms": 1103995579427.6128 }, "end": { "local": "2004-12-25T19:57:20+01:00", "utc": "2004-12-25T18:57:20Z", "ms": 1104001039603.4326 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2004-12-26", "window": { "start": { "local": "2004-12-26T18:26:47+01:00", "utc": "2004-12-26T17:26:47Z", "ms": 1104082007282.1482 }, "end": { "local": "2004-12-26T19:57:48+01:00", "utc": "2004-12-26T18:57:48Z", "ms": 1104087467923.9453 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:40 on Sat 25 Dec to 16:06 on Sun 26 Dec.", "fact": "2004-12-25T12:40:06Z → 2004-12-26T15:06:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–19:57 on the 25th, 18:27–19:58 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 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. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8427 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Luanda, 2004: Saturday 25 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dattatreyotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Dattatreyotpatti (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-25", "confidence": "determinate" } ], "quote": "In Luanda, Dattātreyotpatti (Datta Jayanti) 2004 falls on Saturday 25 December. Pūrṇimā runs from 13:40 on Sat 25 Dec to 16:06 on Sun 26 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2004/dattatreyotpatti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2004/sankashta-chaturthi?on=2004-12-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2004, "local_date": "2004-12-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9630, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2004-12-29T23:37:40+01:00", "utc": "2004-12-29T22:37:40Z", "ms": 1104359860238.5745 }, "end": { "local": "2004-12-31T01:56:14+01:00", "utc": "2004-12-31T00:56:14Z", "ms": 1104454573538.583 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2004-12-29T23:37:40+01:00", "utc": "2004-12-29T22:37:40Z", "ms": 1104359860238.5745 }, "end": { "local": "2004-12-31T01:56:14+01:00", "utc": "2004-12-31T00:56:14Z", "ms": 1104454573538.583 } }, "kaala": "moonrise", "days": [ { "local_date": "2004-12-29", "window": { "start": { "local": "2004-12-29T20:57:10+01:00", "utc": "2004-12-29T19:57:10Z", "ms": 1104350230430.44 }, "end": { "local": "2004-12-29T20:57:10+01:00", "utc": "2004-12-29T19:57:10Z", "ms": 1104350230430.44 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2004-12-30", "window": { "start": { "local": "2004-12-30T21:38:53+01:00", "utc": "2004-12-30T20:38:53Z", "ms": 1104439132626.4375 }, "end": { "local": "2004-12-30T21:38:53+01:00", "utc": "2004-12-30T20:38:53Z", "ms": 1104439132626.4375 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:38 on Wed 29 Dec to 01:56 on Fri 31 Dec.", "fact": "2004-12-29T22:37:40Z → 2004-12-31T00:56:14Z" }, { "step": "kaala", "text": "Moonrise is at 20:57 on the 29th and 21:39 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9630 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2004: Thursday 30 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2004-12-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2004-12-30", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2004 falls on Thursday 30 December. Caturthī runs from 23:38 on Wed 29 Dec to 01:56 on Fri 31 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2004/sankashta-chaturthi?on=2004-12-30", "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" } }