{ "id": "/luanda/festivals/2003", "place": { "id": "2240449", "slug": "luanda", "name": "Luanda", "region": "Angola", "country": "AO", "lat": -8.83682, "lon": 13.23432, "elevation_m": 73, "tz": "Africa/Luanda" }, "year": 2003, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/luanda/festivals/2003/vinayaka-chaturthi?on=2003-01-06", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-01-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23264, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-01-05T19:04:02+01:00", "utc": "2003-01-05T18:04:02Z", "ms": 1041789842088.6278 }, "end": { "local": "2003-01-06T19:34:47+01:00", "utc": "2003-01-06T18:34:47Z", "ms": 1041878087018.7996 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-01-05T19:04:02+01:00", "utc": "2003-01-05T18:04:02Z", "ms": 1041789842088.6278 }, "end": { "local": "2003-01-06T19:34:47+01:00", "utc": "2003-01-06T18:34:47Z", "ms": 1041878087018.7996 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-01-05", "window": { "start": { "local": "2003-01-05T11:48:18+01:00", "utc": "2003-01-05T10:48:18Z", "ms": 1041763697626.1321 }, "end": { "local": "2003-01-05T12:36:18+01:00", "utc": "2003-01-05T11:36:18Z", "ms": 1041766577626.1321 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-01-06", "window": { "start": { "local": "2003-01-06T11:48:44+01:00", "utc": "2003-01-06T10:48:44Z", "ms": 1041850124298.7764 }, "end": { "local": "2003-01-06T12:36:44+01:00", "utc": "2003-01-06T11:36:44Z", "ms": 1041853004298.7764 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:04 on Sun 5 Jan to 19:35 on Mon 6 Jan.", "fact": "2003-01-05T18:04:02Z → 2003-01-06T18:34:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 5th, 11:49–12:37 on the 6th.", "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 5th and 48 of 48 on the 6th.", "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 23264 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2003: Monday 6 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-01-06", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2003 falls on Monday 6 January. Caturthī runs from 19:04 on Sun 5 Jan to 19:35 on Mon 6 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/vinayaka-chaturthi?on=2003-01-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20172, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2003-01-14T12:57:11+01:00", "utc": "2003-01-14T11:57:11Z", "ms": 1042545431223.2748 }, "end": { "local": "2003-02-13T01:54:53+01:00", "utc": "2003-02-13T00:54:53Z", "ms": 1045097693113.599 } }, "span": { "of": "transit", "start": { "local": "2003-01-14T12:57:11+01:00", "utc": "2003-01-14T11:57:11Z", "ms": 1042545431223.2748 }, "end": { "local": "2003-01-14T12:57:11+01:00", "utc": "2003-01-14T11:57:11Z", "ms": 1042545431223.2748 } }, "kaala": "sunset-day", "days": [ { "local_date": "2003-01-14", "window": { "start": { "local": "2003-01-13T18:33:09+01:00", "utc": "2003-01-13T17:33:09Z", "ms": 1042479189291.5657 }, "end": { "local": "2003-01-14T18:33:24+01:00", "utc": "2003-01-14T17:33:24Z", "ms": 1042565603583.943 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2003-01-15", "window": { "start": { "local": "2003-01-14T18:33:24+01:00", "utc": "2003-01-14T17:33:24Z", "ms": 1042565603583.943 }, "end": { "local": "2003-01-15T18:33:37+01:00", "utc": "2003-01-15T17:33:37Z", "ms": 1042652016927.8175 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2003-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 12:57 on Tue 14 Jan.", "fact": "2003-01-14T11:57:11Z · 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 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 20172 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Luanda, 2003: Monday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2003-01-13", "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": "2003-01-13", "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 2003 falls on Monday 13 January. It is kept the day before Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 12:57 on Tue 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20172, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2003-01-14T12:57:11+01:00", "utc": "2003-01-14T11:57:11Z", "ms": 1042545431223.2748 }, "end": { "local": "2003-02-13T01:54:53+01:00", "utc": "2003-02-13T00:54:53Z", "ms": 1045097693113.599 } }, "span": { "of": "transit", "start": { "local": "2003-01-14T12:57:11+01:00", "utc": "2003-01-14T11:57:11Z", "ms": 1042545431223.2748 }, "end": { "local": "2003-01-14T12:57:11+01:00", "utc": "2003-01-14T11:57:11Z", "ms": 1042545431223.2748 } }, "kaala": "sunset-day", "days": [ { "local_date": "2003-01-14", "window": { "start": { "local": "2003-01-13T18:33:09+01:00", "utc": "2003-01-13T17:33:09Z", "ms": 1042479189291.5657 }, "end": { "local": "2003-01-14T18:33:24+01:00", "utc": "2003-01-14T17:33:24Z", "ms": 1042565603583.943 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2003-01-15", "window": { "start": { "local": "2003-01-14T18:33:24+01:00", "utc": "2003-01-14T17:33:24Z", "ms": 1042565603583.943 }, "end": { "local": "2003-01-15T18:33:37+01:00", "utc": "2003-01-15T17:33:37Z", "ms": 1042652016927.8175 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 12:57 on Tue 14 Jan.", "fact": "2003-01-14T11:57:11Z · 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 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 20172 s" }, { "step": "ruling", "text": "Pongal, Luanda, 2003: Tuesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2003-01-14", "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": "2003-01-14", "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 2003 falls on Tuesday 14 January. The Sun enters Makara at 12:57 on Tue 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39769, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2003-01-14T12:57:11+01:00", "utc": "2003-01-14T11:57:11Z", "ms": 1042545431223.2748 }, "end": { "local": "2003-02-13T01:54:53+01:00", "utc": "2003-02-13T00:54:53Z", "ms": 1045097693113.599 } }, "span": { "of": "transit", "start": { "local": "2003-01-14T12:57:11+01:00", "utc": "2003-01-14T11:57:11Z", "ms": 1042545431223.2748 }, "end": { "local": "2003-01-14T12:57:11+01:00", "utc": "2003-01-14T11:57:11Z", "ms": 1042545431223.2748 } }, "kaala": "civil-day", "days": [ { "local_date": "2003-01-14", "window": { "start": { "local": "2003-01-14T00:00:00+01:00", "utc": "2003-01-13T23:00:00Z", "ms": 1042498800000 }, "end": { "local": "2003-01-15T00:00:00+01:00", "utc": "2003-01-14T23:00:00Z", "ms": 1042585200000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2003-01-15", "window": { "start": { "local": "2003-01-15T00:00:00+01:00", "utc": "2003-01-14T23:00:00Z", "ms": 1042585200000 }, "end": { "local": "2003-01-16T00:00:00+01:00", "utc": "2003-01-15T23:00:00Z", "ms": 1042671600000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 12:57 on Tue 14 Jan.", "fact": "2003-01-14T11:57:11Z · 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 39769 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Luanda, 2003: Tuesday 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": "2003-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2003-01-14", "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": "2003-01-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Luanda, Makara Saṅkrānti 2003 falls on Tuesday 14 January. The Sun enters Makara at 12:57 on Tue 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-01-14", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9463, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-01-13T08:35:46+01:00", "utc": "2003-01-13T07:35:46Z", "ms": 1042443345722.5829 }, "end": { "local": "2003-01-14T10:31:59+01:00", "utc": "2003-01-14T09:31:59Z", "ms": 1042536719156.8035 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-01-13T08:35:46+01:00", "utc": "2003-01-13T07:35:46Z", "ms": 1042443345722.5829 }, "end": { "local": "2003-01-14T10:31:59+01:00", "utc": "2003-01-14T09:31:59Z", "ms": 1042536719156.8035 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-01-13", "window": { "start": { "local": "2003-01-13T05:58:03+01:00", "utc": "2003-01-13T04:58:03Z", "ms": 1042433883173.378 }, "end": { "local": "2003-01-13T05:58:03+01:00", "utc": "2003-01-13T04:58:03Z", "ms": 1042433883173.378 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-01-14", "window": { "start": { "local": "2003-01-14T05:58:33+01:00", "utc": "2003-01-14T04:58:33Z", "ms": 1042520313202.2759 }, "end": { "local": "2003-01-14T05:58:33+01:00", "utc": "2003-01-14T04:58:33Z", "ms": 1042520313202.2759 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:36 on Mon 13 Jan to 10:32 on Tue 14 Jan.", "fact": "2003-01-13T07:35:46Z → 2003-01-14T09:31:59Z" }, { "step": "kaala", "text": "Sunrise is at 05:58 on the 13th and 05:59 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9463 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Luanda, 2003: Tuesday 14 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": "2003-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-01-14", "confidence": "determinate" } ], "quote": "In Luanda, Putradā Ekādaśī 2003 falls on Tuesday 14 January. Ekādaśī runs from 08:36 on Mon 13 Jan to 10:32 on Tue 14 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-01-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20172, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2003-01-14T12:57:11+01:00", "utc": "2003-01-14T11:57:11Z", "ms": 1042545431223.2748 }, "end": { "local": "2003-02-13T01:54:53+01:00", "utc": "2003-02-13T00:54:53Z", "ms": 1045097693113.599 } }, "span": { "of": "transit", "start": { "local": "2003-01-14T12:57:11+01:00", "utc": "2003-01-14T11:57:11Z", "ms": 1042545431223.2748 }, "end": { "local": "2003-01-14T12:57:11+01:00", "utc": "2003-01-14T11:57:11Z", "ms": 1042545431223.2748 } }, "kaala": "sunset-day", "days": [ { "local_date": "2003-01-14", "window": { "start": { "local": "2003-01-13T18:33:09+01:00", "utc": "2003-01-13T17:33:09Z", "ms": 1042479189291.5657 }, "end": { "local": "2003-01-14T18:33:24+01:00", "utc": "2003-01-14T17:33:24Z", "ms": 1042565603583.943 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2003-01-15", "window": { "start": { "local": "2003-01-14T18:33:24+01:00", "utc": "2003-01-14T17:33:24Z", "ms": 1042565603583.943 }, "end": { "local": "2003-01-15T18:33:37+01:00", "utc": "2003-01-15T17:33:37Z", "ms": 1042652016927.8175 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2003-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 12:57 on Tue 14 Jan.", "fact": "2003-01-14T11:57:11Z · 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 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 20172 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Luanda, 2003: Wednesday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2003-01-15", "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": "2003-01-15", "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 2003 falls on Wednesday 15 January. It is kept the day after Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 12:57 on Tue 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/pradosha-vrata?on=2003-01-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21815, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-01-15T11:51:38+01:00", "utc": "2003-01-15T10:51:38Z", "ms": 1042627897592.037 }, "end": { "local": "2003-01-16T12:30:15+01:00", "utc": "2003-01-16T11:30:15Z", "ms": 1042716614716.0397 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-01-15T11:51:38+01:00", "utc": "2003-01-15T10:51:38Z", "ms": 1042627897592.037 }, "end": { "local": "2003-01-16T12:30:15+01:00", "utc": "2003-01-16T11:30:15Z", "ms": 1042716614716.0397 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-01-15", "window": { "start": { "local": "2003-01-15T18:33:37+01:00", "utc": "2003-01-15T17:33:37Z", "ms": 1042652016927.8175 }, "end": { "local": "2003-01-15T20:05:04+01:00", "utc": "2003-01-15T19:05:04Z", "ms": 1042657504286.301 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2003-01-16", "window": { "start": { "local": "2003-01-16T18:33:49+01:00", "utc": "2003-01-16T17:33:49Z", "ms": 1042738429313.6086 }, "end": { "local": "2003-01-16T20:05:19+01:00", "utc": "2003-01-16T19:05:19Z", "ms": 1042743918866.1846 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:52 on Wed 15 Jan to 12:30 on Thu 16 Jan.", "fact": "2003-01-15T10:51:38Z → 2003-01-16T11:30:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–20:05 on the 15th, 18:34–20:05 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 91 of 91 minutes on the 15th and 0 of 91 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 21815 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2003: Wednesday 15 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": "2003-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-01-15", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2003 falls on Wednesday 15 January. Trayodaśī runs from 11:52 on Wed 15 Jan to 12:30 on Thu 16 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/sankashta-chaturthi?on=2003-01-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27151, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-01-21T07:03:51+01:00", "utc": "2003-01-21T06:03:51Z", "ms": 1043129031256.7092 }, "end": { "local": "2003-01-22T04:58:32+01:00", "utc": "2003-01-22T03:58:32Z", "ms": 1043207911747.1466 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-01-21T07:03:51+01:00", "utc": "2003-01-21T06:03:51Z", "ms": 1043129031256.7092 }, "end": { "local": "2003-01-22T04:58:32+01:00", "utc": "2003-01-22T03:58:32Z", "ms": 1043207911747.1466 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-01-20", "window": { "start": { "local": "2003-01-20T20:38:26+01:00", "utc": "2003-01-20T19:38:26Z", "ms": 1043091505641.1982 }, "end": { "local": "2003-01-20T20:38:26+01:00", "utc": "2003-01-20T19:38:26Z", "ms": 1043091505641.1982 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-01-21", "window": { "start": { "local": "2003-01-21T21:26:01+01:00", "utc": "2003-01-21T20:26:01Z", "ms": 1043180760617.8917 }, "end": { "local": "2003-01-21T21:26:01+01:00", "utc": "2003-01-21T20:26:01Z", "ms": 1043180760617.8917 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:04 on Tue 21 Jan to 04:59 on Wed 22 Jan.", "fact": "2003-01-21T06:03:51Z → 2003-01-22T03:58:32Z" }, { "step": "kaala", "text": "Moonrise is at 20:38 on the 20th and 21:26 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27151 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2003: Tuesday 21 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": "2003-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-01-21", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2003 falls on Tuesday 21 January. Caturthī runs from 07:04 on Tue 21 Jan to 04:59 on Wed 22 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/sankashta-chaturthi?on=2003-01-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/ekadashi?on=2003-01-28", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33779, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-01-27T17:00:23+01:00", "utc": "2003-01-27T16:00:23Z", "ms": 1043683223071.9349 }, "end": { "local": "2003-01-28T15:27:45+01:00", "utc": "2003-01-28T14:27:45Z", "ms": 1043764064916.6149 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-01-27T17:00:23+01:00", "utc": "2003-01-27T16:00:23Z", "ms": 1043683223071.9349 }, "end": { "local": "2003-01-28T15:27:45+01:00", "utc": "2003-01-28T14:27:45Z", "ms": 1043764064916.6149 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-01-27", "window": { "start": { "local": "2003-01-27T06:04:23+01:00", "utc": "2003-01-27T05:04:23Z", "ms": 1043643862765.3796 }, "end": { "local": "2003-01-27T06:04:23+01:00", "utc": "2003-01-27T05:04:23Z", "ms": 1043643862765.3796 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-01-28", "window": { "start": { "local": "2003-01-28T06:04:46+01:00", "utc": "2003-01-28T05:04:46Z", "ms": 1043730285973.1162 }, "end": { "local": "2003-01-28T06:04:46+01:00", "utc": "2003-01-28T05:04:46Z", "ms": 1043730285973.1162 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:00 on Mon 27 Jan to 15:28 on Tue 28 Jan.", "fact": "2003-01-27T16:00:23Z → 2003-01-28T14:27:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:04 on the 27th and 06:05 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 33779 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Luanda, 2003: Tuesday 28 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": "2003-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-01-28", "confidence": "determinate" } ], "quote": "In Luanda, Ṣaṭtilā Ekādaśī 2003 falls on Tuesday 28 January. Ekādaśī runs from 17:00 on Mon 27 Jan to 15:28 on Tue 28 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-01-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-01-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16086, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-01-29T14:06:56+01:00", "utc": "2003-01-29T13:06:56Z", "ms": 1043845615511.7131 }, "end": { "local": "2003-01-30T13:00:43+01:00", "utc": "2003-01-30T12:00:43Z", "ms": 1043928043264.1061 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-01-29T14:06:56+01:00", "utc": "2003-01-29T13:06:56Z", "ms": 1043845615511.7131 }, "end": { "local": "2003-01-30T13:00:43+01:00", "utc": "2003-01-30T12:00:43Z", "ms": 1043928043264.1061 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-01-29", "window": { "start": { "local": "2003-01-29T18:35:01+01:00", "utc": "2003-01-29T17:35:01Z", "ms": 1043861701221.7878 }, "end": { "local": "2003-01-29T20:07:05+01:00", "utc": "2003-01-29T19:07:05Z", "ms": 1043867225137.1572 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2003-01-30", "window": { "start": { "local": "2003-01-30T18:35:00+01:00", "utc": "2003-01-30T17:35:00Z", "ms": 1043948099842.3339 }, "end": { "local": "2003-01-30T20:07:07+01:00", "utc": "2003-01-30T19:07:07Z", "ms": 1043953626792.16 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:07 on Wed 29 Jan to 13:01 on Thu 30 Jan.", "fact": "2003-01-29T13:06:56Z → 2003-01-30T12:00:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:07 on the 29th, 18:35–20:07 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 92 of 92 minutes on the 29th and 0 of 92 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 16086 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2003: Wednesday 29 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": "2003-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-01-29", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2003 falls on Wednesday 29 January. Trayodaśī runs from 14:07 on Wed 29 Jan to 13:01 on Thu 30 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-01-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/shivaratri?on=2003-01-30", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39343, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-01-30T13:00:43+01:00", "utc": "2003-01-30T12:00:43Z", "ms": 1043928043264.1061 }, "end": { "local": "2003-01-31T12:12:59+01:00", "utc": "2003-01-31T11:12:59Z", "ms": 1044011579294.2612 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-01-30T13:00:43+01:00", "utc": "2003-01-30T12:00:43Z", "ms": 1043928043264.1061 }, "end": { "local": "2003-01-31T12:12:59+01:00", "utc": "2003-01-31T11:12:59Z", "ms": 1044011579294.2612 } }, "kaala": "nishita", "days": [ { "local_date": "2003-01-30", "window": { "start": { "local": "2003-01-30T23:56:26+01:00", "utc": "2003-01-30T22:56:26Z", "ms": 1043967385904.1821 }, "end": { "local": "2003-01-31T00:44:26+01:00", "utc": "2003-01-30T23:44:26Z", "ms": 1043970265904.1821 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-01-31", "window": { "start": { "local": "2003-01-31T23:56:35+01:00", "utc": "2003-01-31T22:56:35Z", "ms": 1044053795090.7002 }, "end": { "local": "2003-02-01T00:44:35+01:00", "utc": "2003-01-31T23:44:35Z", "ms": 1044056675090.7002 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:01 on Thu 30 Jan to 12:13 on Fri 31 Jan.", "fact": "2003-01-30T12:00:43Z → 2003-01-31T11:12:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:56–00:44 on the 30th, 23:57–00:45 on the 31st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39343 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2003: Thursday 30 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": "2003-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-01-30", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2003 falls on Thursday 30 January. Caturdaśī runs from 13:01 on Thu 30 Jan to 12:13 on Fri 31 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2003/shivaratri?on=2003-01-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22027, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-01-30T13:00:43+01:00", "utc": "2003-01-30T12:00:43Z", "ms": 1043928043264.1061 }, "end": { "local": "2003-01-31T12:12:59+01:00", "utc": "2003-01-31T11:12:59Z", "ms": 1044011579294.2612 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-01-30T13:00:43+01:00", "utc": "2003-01-30T12:00:43Z", "ms": 1043928043264.1061 }, "end": { "local": "2003-01-31T12:12:59+01:00", "utc": "2003-01-31T11:12:59Z", "ms": 1044011579294.2612 } }, "kaala": "arunodaya", "days": [ { "local_date": "2003-01-30", "window": { "start": { "local": "2003-01-30T04:33:27+01:00", "utc": "2003-01-30T03:33:27Z", "ms": 1043897606671.6891 }, "end": { "local": "2003-01-30T06:05:31+01:00", "utc": "2003-01-30T05:05:31Z", "ms": 1043903130587.0585 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2003-01-31", "window": { "start": { "local": "2003-01-31T04:33:45+01:00", "utc": "2003-01-31T03:33:45Z", "ms": 1043984025016.2042 }, "end": { "local": "2003-01-31T06:05:52+01:00", "utc": "2003-01-31T05:05:52Z", "ms": 1043989551966.0304 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:01 on Thu 30 Jan to 12:13 on Fri 31 Jan.", "fact": "2003-01-30T12:00:43Z → 2003-01-31T11:12:59Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:33–06:06 on the 30th, 04:34–06:06 on the 31st.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 92 minutes on the 30th and 92 of 92 on the 31st.", "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 22027 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Luanda, 2003: Friday 31 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": "2003-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-01-31", "confidence": "determinate" } ], "quote": "In Luanda, Yama Tarpaṇa 2003 falls on Friday 31 January. Caturdaśī runs from 13:01 on Thu 30 Jan to 12:13 on Fri 31 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11500, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-02-04T13:38:03+01:00", "utc": "2003-02-04T12:38:03Z", "ms": 1044362282527.0597 }, "end": { "local": "2003-02-05T15:22:51+01:00", "utc": "2003-02-05T14:22:51Z", "ms": 1044454970533.884 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-02-04T13:38:03+01:00", "utc": "2003-02-04T12:38:03Z", "ms": 1044362282527.0597 }, "end": { "local": "2003-02-05T15:22:51+01:00", "utc": "2003-02-05T14:22:51Z", "ms": 1044454970533.884 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-02-04", "window": { "start": { "local": "2003-02-04T18:34:38+01:00", "utc": "2003-02-04T17:34:38Z", "ms": 1044380078118.564 }, "end": { "local": "2003-02-04T20:07:01+01:00", "utc": "2003-02-04T19:07:01Z", "ms": 1044385620919.3365 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2003-02-05", "window": { "start": { "local": "2003-02-05T18:34:31+01:00", "utc": "2003-02-05T17:34:31Z", "ms": 1044466470833.2965 }, "end": { "local": "2003-02-05T20:06:57+01:00", "utc": "2003-02-05T19:06:57Z", "ms": 1044472016929.0544 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:38 on Tue 4 Feb to 15:23 on Wed 5 Feb.", "fact": "2003-02-04T12:38:03Z → 2003-02-05T14:22:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:07 on the 4th, 18:35–20:07 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 92 of 92 minutes on the 4th and 0 of 92 on the 5th.", "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 11500 s" }, { "step": "ruling", "text": "Tila Caturthī, Luanda, 2003: Tuesday 4 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-02-04", "confidence": "determinate" } ], "quote": "In Luanda, Tila Caturthī 2003 falls on Tuesday 4 February. Caturthī runs from 13:38 on Tue 4 Feb to 15:23 on Wed 5 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3188, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-02-04T13:38:03+01:00", "utc": "2003-02-04T12:38:03Z", "ms": 1044362282527.0597 }, "end": { "local": "2003-02-05T15:22:51+01:00", "utc": "2003-02-05T14:22:51Z", "ms": 1044454970533.884 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-02-04T13:38:03+01:00", "utc": "2003-02-04T12:38:03Z", "ms": 1044362282527.0597 }, "end": { "local": "2003-02-05T15:22:51+01:00", "utc": "2003-02-05T14:22:51Z", "ms": 1044454970533.884 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-02-04", "window": { "start": { "local": "2003-02-04T11:56:55+01:00", "utc": "2003-02-04T10:56:55Z", "ms": 1044356214569.71 }, "end": { "local": "2003-02-04T12:44:55+01:00", "utc": "2003-02-04T11:44:55Z", "ms": 1044359094569.71 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-02-05", "window": { "start": { "local": "2003-02-05T11:57:00+01:00", "utc": "2003-02-05T10:57:00Z", "ms": 1044442619978.8274 }, "end": { "local": "2003-02-05T12:45:00+01:00", "utc": "2003-02-05T11:45:00Z", "ms": 1044445499978.8274 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:38 on Tue 4 Feb to 15:23 on Wed 5 Feb.", "fact": "2003-02-04T12:38:03Z → 2003-02-05T14:22:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 4th, 11:57–12:45 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3188 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Luanda, 2003: Wednesday 5 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-02-05", "confidence": "boundary" } ], "quote": "In Luanda, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2003 falls on Wednesday 5 February. Caturthī runs from 13:38 on Tue 4 Feb to 15:23 on Wed 5 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9471, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2003-02-05T15:22:51+01:00", "utc": "2003-02-05T14:22:51Z", "ms": 1044454970533.884 }, "end": { "local": "2003-02-06T17:37:14+01:00", "utc": "2003-02-06T16:37:14Z", "ms": 1044549434144.256 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-02-05T15:22:51+01:00", "utc": "2003-02-05T14:22:51Z", "ms": 1044454970533.884 }, "end": { "local": "2003-02-06T17:37:14+01:00", "utc": "2003-02-06T16:37:14Z", "ms": 1044549434144.256 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-02-05", "window": { "start": { "local": "2003-02-05T11:57:00+01:00", "utc": "2003-02-05T10:57:00Z", "ms": 1044442619978.8274 }, "end": { "local": "2003-02-05T12:45:00+01:00", "utc": "2003-02-05T11:45:00Z", "ms": 1044445499978.8274 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-02-06", "window": { "start": { "local": "2003-02-06T11:57:05+01:00", "utc": "2003-02-06T10:57:05Z", "ms": 1044529024567.1836 }, "end": { "local": "2003-02-06T12:45:05+01:00", "utc": "2003-02-06T11:45:05Z", "ms": 1044531904567.1836 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:23 on Wed 5 Feb to 17:37 on Thu 6 Feb.", "fact": "2003-02-05T14:22:51Z → 2003-02-06T16:37:14Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9471 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Luanda, 2003: Thursday 6 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-02-06", "confidence": "determinate" } ], "quote": "In Luanda, Śrī Pañcamī 2003 falls on Thursday 6 February. Pañcamī runs from 15:23 on Wed 5 Feb to 17:37 on Thu 6 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9471, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2003-02-05T15:22:51+01:00", "utc": "2003-02-05T14:22:51Z", "ms": 1044454970533.884 }, "end": { "local": "2003-02-06T17:37:14+01:00", "utc": "2003-02-06T16:37:14Z", "ms": 1044549434144.256 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-02-05T15:22:51+01:00", "utc": "2003-02-05T14:22:51Z", "ms": 1044454970533.884 }, "end": { "local": "2003-02-06T17:37:14+01:00", "utc": "2003-02-06T16:37:14Z", "ms": 1044549434144.256 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-02-05", "window": { "start": { "local": "2003-02-05T11:57:00+01:00", "utc": "2003-02-05T10:57:00Z", "ms": 1044442619978.8274 }, "end": { "local": "2003-02-05T12:45:00+01:00", "utc": "2003-02-05T11:45:00Z", "ms": 1044445499978.8274 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-02-06", "window": { "start": { "local": "2003-02-06T11:57:05+01:00", "utc": "2003-02-06T10:57:05Z", "ms": 1044529024567.1836 }, "end": { "local": "2003-02-06T12:45:05+01:00", "utc": "2003-02-06T11:45:05Z", "ms": 1044531904567.1836 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:23 on Wed 5 Feb to 17:37 on Thu 6 Feb.", "fact": "2003-02-05T14:22:51Z → 2003-02-06T16:37:14Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9471 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Luanda, 2003: Thursday 6 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-02-06", "confidence": "determinate" } ], "quote": "In Luanda, Vasanta Pañcamī 2003 falls on Thursday 6 February. Pañcamī runs from 15:23 on Wed 5 Feb to 17:37 on Thu 6 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20575, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2003-02-07T20:11:50+01:00", "utc": "2003-02-07T19:11:50Z", "ms": 1044645110168.7408 }, "end": { "local": "2003-02-08T22:53:04+01:00", "utc": "2003-02-08T21:53:04Z", "ms": 1044741183541.1969 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-02-07T20:11:50+01:00", "utc": "2003-02-07T19:11:50Z", "ms": 1044645110168.7408 }, "end": { "local": "2003-02-08T22:53:04+01:00", "utc": "2003-02-08T21:53:04Z", "ms": 1044741183541.1969 } }, "kaala": "arunodaya", "days": [ { "local_date": "2003-02-08", "window": { "start": { "local": "2003-02-08T04:35:47+01:00", "utc": "2003-02-08T03:35:47Z", "ms": 1044675346566.4375 }, "end": { "local": "2003-02-08T06:08:19+01:00", "utc": "2003-02-08T05:08:19Z", "ms": 1044680899364.8674 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2003-02-09", "window": { "start": { "local": "2003-02-09T04:35:59+01:00", "utc": "2003-02-09T03:35:59Z", "ms": 1044761758545.8453 }, "end": { "local": "2003-02-09T06:08:35+01:00", "utc": "2003-02-09T05:08:35Z", "ms": 1044767314749.0244 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:12 on Fri 7 Feb to 22:53 on Sat 8 Feb.", "fact": "2003-02-07T19:11:50Z → 2003-02-08T21:53:04Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:36–06:08 on the 8th, 04:36–06:09 on the 9th.", "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 93 of 93 minutes on the 8th and 0 of 93 on the 9th.", "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 20575 s" }, { "step": "ruling", "text": "Ratha Saptamī, Luanda, 2003: Saturday 8 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-02-08", "confidence": "determinate" } ], "quote": "In Luanda, Ratha Saptamī 2003 falls on Saturday 8 February. Saptamī runs from 20:12 on Fri 7 Feb to 22:53 on Sat 8 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-02-12", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1681, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-02-12T04:59:42+01:00", "utc": "2003-02-12T03:59:42Z", "ms": 1045022381591.8392 }, "end": { "local": "2003-02-13T05:41:28+01:00", "utc": "2003-02-13T04:41:28Z", "ms": 1045111288379.5334 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-02-12T04:59:42+01:00", "utc": "2003-02-12T03:59:42Z", "ms": 1045022381591.8392 }, "end": { "local": "2003-02-13T05:41:28+01:00", "utc": "2003-02-13T04:41:28Z", "ms": 1045111288379.5334 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-02-12", "window": { "start": { "local": "2003-02-12T06:09:17+01:00", "utc": "2003-02-12T05:09:17Z", "ms": 1045026556828.1708 }, "end": { "local": "2003-02-12T06:09:17+01:00", "utc": "2003-02-12T05:09:17Z", "ms": 1045026556828.1708 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-02-13", "window": { "start": { "local": "2003-02-13T06:09:30+01:00", "utc": "2003-02-13T05:09:30Z", "ms": 1045112969510.1969 }, "end": { "local": "2003-02-13T06:09:30+01:00", "utc": "2003-02-13T05:09:30Z", "ms": 1045112969510.1969 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:00 on Wed 12 Feb to 05:41 on Thu 13 Feb.", "fact": "2003-02-12T03:59:42Z → 2003-02-13T04:41:28Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 12th and 06:09 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 1681 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Luanda, 2003: Wednesday 12 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": "2003-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-02-12", "confidence": "determinate" } ], "quote": "In Luanda, Jayā Ekādaśī 2003 falls on Wednesday 12 February. Ekādaśī runs from 05:00 on Wed 12 Feb to 05:41 on Thu 13 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-02-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22546, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2003-02-13T05:41:28+01:00", "utc": "2003-02-13T04:41:28Z", "ms": 1045111288379.5334 }, "end": { "local": "2003-02-14T05:33:50+01:00", "utc": "2003-02-14T04:33:50Z", "ms": 1045197229793.4663 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-02-13T05:41:28+01:00", "utc": "2003-02-13T04:41:28Z", "ms": 1045111288379.5334 }, "end": { "local": "2003-02-14T05:33:50+01:00", "utc": "2003-02-14T04:33:50Z", "ms": 1045197229793.4663 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-02-13", "window": { "start": { "local": "2003-02-13T11:57:14+01:00", "utc": "2003-02-13T10:57:14Z", "ms": 1045133834128.1437 }, "end": { "local": "2003-02-13T12:45:14+01:00", "utc": "2003-02-13T11:45:14Z", "ms": 1045136714128.1437 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-02-14", "window": { "start": { "local": "2003-02-14T11:57:12+01:00", "utc": "2003-02-14T10:57:12Z", "ms": 1045220232371.8713 }, "end": { "local": "2003-02-14T12:45:12+01:00", "utc": "2003-02-14T11:45:12Z", "ms": 1045223112371.8713 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:41 on Thu 13 Feb to 05:34 on Fri 14 Feb.", "fact": "2003-02-13T04:41:28Z → 2003-02-14T04:33:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 13th, 11:57–12:45 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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 22546 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Luanda, 2003: Thursday 13 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": "2003-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-02-13", "confidence": "determinate" } ], "quote": "In Luanda, Bhīṣma Dvādaśī 2003 falls on Thursday 13 February. Dvādaśī runs from 05:41 on Thu 13 Feb to 05:34 on Fri 14 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/pradosha-vrata?on=2003-02-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30782, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-02-14T05:33:50+01:00", "utc": "2003-02-14T04:33:50Z", "ms": 1045197229793.4663 }, "end": { "local": "2003-02-15T04:38:42+01:00", "utc": "2003-02-15T03:38:42Z", "ms": 1045280322058.3125 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-02-14T05:33:50+01:00", "utc": "2003-02-14T04:33:50Z", "ms": 1045197229793.4663 }, "end": { "local": "2003-02-15T04:38:42+01:00", "utc": "2003-02-15T03:38:42Z", "ms": 1045280322058.3125 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-02-13", "window": { "start": { "local": "2003-02-13T18:32:59+01:00", "utc": "2003-02-13T17:32:59Z", "ms": 1045157578746.0905 }, "end": { "local": "2003-02-13T20:05:52+01:00", "utc": "2003-02-13T19:05:52Z", "ms": 1045163152450.6378 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2003-02-14", "window": { "start": { "local": "2003-02-14T18:32:43+01:00", "utc": "2003-02-14T17:32:43Z", "ms": 1045243963213.547 }, "end": { "local": "2003-02-14T20:05:41+01:00", "utc": "2003-02-14T19:05:41Z", "ms": 1045249540504.6257 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:34 on Fri 14 Feb to 04:39 on Sat 15 Feb.", "fact": "2003-02-14T04:33:50Z → 2003-02-15T03:38:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:06 on the 13th, 18:33–20:06 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 93 minutes on the 13th and 93 of 93 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 30782 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2003: Friday 14 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": "2003-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-02-14", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2003 falls on Friday 14 February. Trayodaśī runs from 05:34 on Fri 14 Feb to 04:39 on Sat 15 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-02-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32121, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-02-16T03:01:46+01:00", "utc": "2003-02-16T02:01:46Z", "ms": 1045360905995.6688 }, "end": { "local": "2003-02-17T00:51:11+01:00", "utc": "2003-02-16T23:51:11Z", "ms": 1045439470704.4688 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2003-02-16T03:01:46+01:00", "utc": "2003-02-16T02:01:46Z", "ms": 1045360905995.6688 }, "end": { "local": "2003-02-17T00:51:11+01:00", "utc": "2003-02-16T23:51:11Z", "ms": 1045439470704.4688 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-02-16", "window": { "start": { "local": "2003-02-16T11:57:07+01:00", "utc": "2003-02-16T10:57:07Z", "ms": 1045393026638.1587 }, "end": { "local": "2003-02-16T12:45:07+01:00", "utc": "2003-02-16T11:45:07Z", "ms": 1045395906638.1587 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-02-17", "window": { "start": { "local": "2003-02-17T11:57:03+01:00", "utc": "2003-02-17T10:57:03Z", "ms": 1045479422692.1841 }, "end": { "local": "2003-02-17T12:45:03+01:00", "utc": "2003-02-17T11:45:03Z", "ms": 1045482302692.1841 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:02 on Sun 16 Feb to 00:51 on Mon 17 Feb.", "fact": "2003-02-16T02:01:46Z → 2003-02-16T23:51:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 16th, 11:57–12:45 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32121 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Luanda, 2003: Sunday 16 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": "2003-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-02-16", "confidence": "determinate" } ], "quote": "In Luanda, Māghī Pūrṇimā 2003 falls on Sunday 16 February. Pūrṇimā runs from 03:02 on Sun 16 Feb to 00:51 on Mon 17 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/sankashta-chaturthi?on=2003-02-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15518, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-02-19T16:33:23+01:00", "utc": "2003-02-19T15:33:23Z", "ms": 1045668802751.927 }, "end": { "local": "2003-02-20T13:43:13+01:00", "utc": "2003-02-20T12:43:13Z", "ms": 1045744993246.9796 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2003-02-19T16:33:23+01:00", "utc": "2003-02-19T15:33:23Z", "ms": 1045668802751.927 }, "end": { "local": "2003-02-20T13:43:13+01:00", "utc": "2003-02-20T12:43:13Z", "ms": 1045744993246.9796 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-02-19", "window": { "start": { "local": "2003-02-19T20:52:01+01:00", "utc": "2003-02-19T19:52:01Z", "ms": 1045684320636.3931 }, "end": { "local": "2003-02-19T20:52:01+01:00", "utc": "2003-02-19T19:52:01Z", "ms": 1045684320636.3931 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-02-20", "window": { "start": { "local": "2003-02-20T21:38:12+01:00", "utc": "2003-02-20T20:38:12Z", "ms": 1045773491821.3922 }, "end": { "local": "2003-02-20T21:38:12+01:00", "utc": "2003-02-20T20:38:12Z", "ms": 1045773491821.3922 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:33 on Wed 19 Feb to 13:43 on Thu 20 Feb.", "fact": "2003-02-19T15:33:23Z → 2003-02-20T12:43:13Z" }, { "step": "kaala", "text": "Moonrise is at 20:52 on the 19th and 21:38 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15518 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2003: Wednesday 19 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": "2003-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-02-19", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2003 falls on Wednesday 19 February. Caturthī runs from 16:33 on Wed 19 Feb to 13:43 on Thu 20 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/sankashta-chaturthi?on=2003-02-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/ekadashi?on=2003-02-26", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12389, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-02-26T02:44:50+01:00", "utc": "2003-02-26T01:44:50Z", "ms": 1046223889827.821 }, "end": { "local": "2003-02-27T02:10:29+01:00", "utc": "2003-02-27T01:10:29Z", "ms": 1046308228630.0175 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2003-02-26T02:44:50+01:00", "utc": "2003-02-26T01:44:50Z", "ms": 1046223889827.821 }, "end": { "local": "2003-02-27T02:10:29+01:00", "utc": "2003-02-27T01:10:29Z", "ms": 1046308228630.0175 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-02-26", "window": { "start": { "local": "2003-02-26T06:11:18+01:00", "utc": "2003-02-26T05:11:18Z", "ms": 1046236278331.4281 }, "end": { "local": "2003-02-26T06:11:18+01:00", "utc": "2003-02-26T05:11:18Z", "ms": 1046236278331.4281 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-02-27", "window": { "start": { "local": "2003-02-27T06:11:23+01:00", "utc": "2003-02-27T05:11:23Z", "ms": 1046322682835.8674 }, "end": { "local": "2003-02-27T06:11:23+01:00", "utc": "2003-02-27T05:11:23Z", "ms": 1046322682835.8674 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:45 on Wed 26 Feb to 02:10 on Thu 27 Feb.", "fact": "2003-02-26T01:44:50Z → 2003-02-27T01:10:29Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 26th and 06:11 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12389 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Luanda, 2003: Wednesday 26 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-02-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-02-26", "confidence": "determinate" } ], "quote": "In Luanda, Vijayā Ekādaśī 2003 falls on Wednesday 26 February. Ekādaśī runs from 02:45 on Wed 26 Feb to 02:10 on Thu 27 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-02-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-02-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-02-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21323, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-02-28T01:57:21+01:00", "utc": "2003-02-28T00:57:21Z", "ms": 1046393841379.8959 }, "end": { "local": "2003-03-01T02:06:03+01:00", "utc": "2003-03-01T01:06:03Z", "ms": 1046480763176.3472 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2003-02-28T01:57:21+01:00", "utc": "2003-02-28T00:57:21Z", "ms": 1046393841379.8959 }, "end": { "local": "2003-03-01T02:06:03+01:00", "utc": "2003-03-01T01:06:03Z", "ms": 1046480763176.3472 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-02-27", "window": { "start": { "local": "2003-02-27T18:28:13+01:00", "utc": "2003-02-27T17:28:13Z", "ms": 1046366892809.3082 }, "end": { "local": "2003-02-27T20:01:59+01:00", "utc": "2003-02-27T19:01:59Z", "ms": 1046372518680.9097 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2003-02-28", "window": { "start": { "local": "2003-02-28T18:27:47+01:00", "utc": "2003-02-28T17:27:47Z", "ms": 1046453267461.8022 }, "end": { "local": "2003-02-28T20:01:37+01:00", "utc": "2003-02-28T19:01:37Z", "ms": 1046458897183.3331 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:57 on Fri 28 Feb to 02:06 on Sat 1 Mar.", "fact": "2003-02-28T00:57:21Z → 2003-03-01T01:06:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–20:02 on the 27th, 18:28–20:02 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 27th and 94 of 94 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 21323 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2003: Friday 28 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": "2003-02-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-02-28", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2003 falls on Friday 28 February. Trayodaśī runs from 01:57 on Fri 28 Feb to 02:06 on Sat 1 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-02-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-03-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4944, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-03-01T02:06:03+01:00", "utc": "2003-03-01T01:06:03Z", "ms": 1046480763176.3472 }, "end": { "local": "2003-03-02T02:37:59+01:00", "utc": "2003-03-02T01:37:59Z", "ms": 1046569078518.3945 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2003-03-01T02:06:03+01:00", "utc": "2003-03-01T01:06:03Z", "ms": 1046480763176.3472 }, "end": { "local": "2003-03-02T02:37:59+01:00", "utc": "2003-03-02T01:37:59Z", "ms": 1046569078518.3945 } }, "kaala": "nishita", "days": [ { "local_date": "2003-02-28", "window": { "start": { "local": "2003-02-28T23:55:39+01:00", "utc": "2003-02-28T22:55:39Z", "ms": 1046472938917.5431 }, "end": { "local": "2003-03-01T00:43:39+01:00", "utc": "2003-02-28T23:43:39Z", "ms": 1046475818917.5431 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-03-01", "window": { "start": { "local": "2003-03-01T23:55:27+01:00", "utc": "2003-03-01T22:55:27Z", "ms": 1046559327493.303 }, "end": { "local": "2003-03-02T00:43:27+01:00", "utc": "2003-03-01T23:43:27Z", "ms": 1046562207493.303 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:06 on Sat 1 Mar to 02:38 on Sun 2 Mar.", "fact": "2003-03-01T01:06:03Z → 2003-03-02T01:37:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:56–00:44 on the 28th, 23:55–00:43 on the 1st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 1st.", "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 4944 s" }, { "step": "ruling", "text": "Mahāśivarātri, Luanda, 2003: Saturday 1 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-03-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-03-01", "confidence": "determinate" } ], "quote": "In Luanda, Mahāśivarātri 2003 falls on Saturday 1 March. Caturdaśī runs from 02:06 on Sat 1 Mar to 02:38 on Sun 2 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/vinayaka-chaturthi?on=2003-03-06", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 994, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-03-06T09:03:59+01:00", "utc": "2003-03-06T08:03:59Z", "ms": 1046937838756.6757 }, "end": { "local": "2003-03-07T11:37:35+01:00", "utc": "2003-03-07T10:37:35Z", "ms": 1047033454966.8704 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2003-03-06T09:03:59+01:00", "utc": "2003-03-06T08:03:59Z", "ms": 1046937838756.6757 }, "end": { "local": "2003-03-07T11:37:35+01:00", "utc": "2003-03-07T10:37:35Z", "ms": 1047033454966.8704 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-03-06", "window": { "start": { "local": "2003-03-06T11:54:23+01:00", "utc": "2003-03-06T10:54:23Z", "ms": 1046948062751.9443 }, "end": { "local": "2003-03-06T12:42:23+01:00", "utc": "2003-03-06T11:42:23Z", "ms": 1046950942751.9443 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-03-07", "window": { "start": { "local": "2003-03-07T11:54:09+01:00", "utc": "2003-03-07T10:54:09Z", "ms": 1047034448764.092 }, "end": { "local": "2003-03-07T12:42:09+01:00", "utc": "2003-03-07T11:42:09Z", "ms": 1047037328764.092 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:04 on Thu 6 Mar to 11:38 on Fri 7 Mar.", "fact": "2003-03-06T08:03:59Z → 2003-03-07T10:37:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 6th, 11:54–12:42 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 994 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2003: Thursday 6 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": "2003-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-03-06", "confidence": "boundary" } ], "quote": "In Luanda, Vināyaka Caturthī 2003 falls on Thursday 6 March. Caturthī runs from 09:04 on Thu 6 Mar to 11:38 on Fri 7 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/vinayaka-chaturthi?on=2003-03-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/ekadashi?on=2003-03-14", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28694, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-03-13T22:13:24+01:00", "utc": "2003-03-13T21:13:24Z", "ms": 1047590004212.8645 }, "end": { "local": "2003-03-14T21:29:53+01:00", "utc": "2003-03-14T20:29:53Z", "ms": 1047673793379.8824 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2003-03-13T22:13:24+01:00", "utc": "2003-03-13T21:13:24Z", "ms": 1047590004212.8645 }, "end": { "local": "2003-03-14T21:29:53+01:00", "utc": "2003-03-14T20:29:53Z", "ms": 1047673793379.8824 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-03-14", "window": { "start": { "local": "2003-03-14T06:11:38+01:00", "utc": "2003-03-14T05:11:38Z", "ms": 1047618697846.9264 }, "end": { "local": "2003-03-14T06:11:38+01:00", "utc": "2003-03-14T05:11:38Z", "ms": 1047618697846.9264 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-03-15", "window": { "start": { "local": "2003-03-15T06:11:36+01:00", "utc": "2003-03-15T05:11:36Z", "ms": 1047705095988.8525 }, "end": { "local": "2003-03-15T06:11:36+01:00", "utc": "2003-03-15T05:11:36Z", "ms": 1047705095988.8525 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:13 on Thu 13 Mar to 21:30 on Fri 14 Mar.", "fact": "2003-03-13T21:13:24Z → 2003-03-14T20:29:53Z" }, { "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 28694 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Luanda, 2003: Friday 14 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": "2003-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-03-14", "confidence": "determinate" } ], "quote": "In Luanda, Āmalakī Ekādaśī 2003 falls on Friday 14 March. Ekādaśī runs from 22:13 on Thu 13 Mar to 21:30 on Fri 14 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-03-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-03-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-03-15", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 72, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-03-15T19:56:31+01:00", "utc": "2003-03-15T18:56:31Z", "ms": 1047754591278.444 }, "end": { "local": "2003-03-16T17:39:57+01:00", "utc": "2003-03-16T16:39:57Z", "ms": 1047832797108.1289 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2003-03-15T19:56:31+01:00", "utc": "2003-03-15T18:56:31Z", "ms": 1047754591278.444 }, "end": { "local": "2003-03-16T17:39:57+01:00", "utc": "2003-03-16T16:39:57Z", "ms": 1047832797108.1289 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-03-15", "window": { "start": { "local": "2003-03-15T18:20:31+01:00", "utc": "2003-03-15T17:20:31Z", "ms": 1047748831449.2056 }, "end": { "local": "2003-03-15T19:55:20+01:00", "utc": "2003-03-15T18:55:20Z", "ms": 1047754519772.1569 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2003-03-16", "window": { "start": { "local": "2003-03-16T18:20:00+01:00", "utc": "2003-03-16T17:20:00Z", "ms": 1047835199622.8154 }, "end": { "local": "2003-03-16T19:54:52+01:00", "utc": "2003-03-16T18:54:52Z", "ms": 1047840891875.1923 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:57 on Sat 15 Mar to 17:40 on Sun 16 Mar.", "fact": "2003-03-15T18:56:31Z → 2003-03-16T16:39:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:21–19:55 on the 15th, 18:20–19:55 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 95 minutes on the 15th and 0 of 95 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 72 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2003: Saturday 15 March.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-03-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-03-15", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2003 falls on Saturday 15 March. Trayodaśī runs from 19:57 on Sat 15 Mar to 17:40 on Sun 16 Mar, and reaches pradoṣa on neither day. It is 1 min 12 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-03-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3881, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-03-17T14:49:12+01:00", "utc": "2003-03-17T13:49:12Z", "ms": 1047908951717.9108 }, "end": { "local": "2003-03-18T11:34:34+01:00", "utc": "2003-03-18T10:34:34Z", "ms": 1047983673889.9171 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2003-03-17T14:49:12+01:00", "utc": "2003-03-17T13:49:12Z", "ms": 1047908951717.9108 }, "end": { "local": "2003-03-18T11:34:34+01:00", "utc": "2003-03-18T10:34:34Z", "ms": 1047983673889.9171 } }, "kaala": "sayahna", "days": [ { "local_date": "2003-03-17", "window": { "start": { "local": "2003-03-17T15:53:52+01:00", "utc": "2003-03-17T14:53:52Z", "ms": 1047912832372.2216 }, "end": { "local": "2003-03-17T18:19:28+01:00", "utc": "2003-03-17T17:19:28Z", "ms": 1047921567586.3665 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "2003-03-18", "window": { "start": { "local": "2003-03-18T15:53:26+01:00", "utc": "2003-03-18T14:53:26Z", "ms": 1047999206082.1831 }, "end": { "local": "2003-03-18T18:18:55+01:00", "utc": "2003-03-18T17:18:55Z", "ms": 1048007935366.7064 } }, "covered_min": 0, "window_min": 145, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:49 on Mon 17 Mar to 11:35 on Tue 18 Mar.", "fact": "2003-03-17T13:49:12Z → 2003-03-18T10:34:34Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:54–18:19 on the 17th, 15:53–18:19 on the 18th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 146 of 146 minutes on the 17th and 0 of 145 on the 18th.", "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 3881 s" }, { "step": "ruling", "text": "Holikā Dahana, Luanda, 2003: Monday 17 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": "2003-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-03-17", "confidence": "determinate" } ], "quote": "In Luanda, Holikā Dahana 2003 falls on Monday 17 March. Pūrṇimā runs from 14:49 on Mon 17 Mar to 11:35 on Tue 18 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3881, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-03-17T14:49:12+01:00", "utc": "2003-03-17T13:49:12Z", "ms": 1047908951717.9108 }, "end": { "local": "2003-03-18T11:34:34+01:00", "utc": "2003-03-18T10:34:34Z", "ms": 1047983673889.9171 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2003-03-17T14:49:12+01:00", "utc": "2003-03-17T13:49:12Z", "ms": 1047908951717.9108 }, "end": { "local": "2003-03-18T11:34:34+01:00", "utc": "2003-03-18T10:34:34Z", "ms": 1047983673889.9171 } }, "kaala": "sayahna", "days": [ { "local_date": "2003-03-17", "window": { "start": { "local": "2003-03-17T15:53:52+01:00", "utc": "2003-03-17T14:53:52Z", "ms": 1047912832372.2216 }, "end": { "local": "2003-03-17T18:19:28+01:00", "utc": "2003-03-17T17:19:28Z", "ms": 1047921567586.3665 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "2003-03-18", "window": { "start": { "local": "2003-03-18T15:53:26+01:00", "utc": "2003-03-18T14:53:26Z", "ms": 1047999206082.1831 }, "end": { "local": "2003-03-18T18:18:55+01:00", "utc": "2003-03-18T17:18:55Z", "ms": 1048007935366.7064 } }, "covered_min": 0, "window_min": 145, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2003-03-17", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:49 on Mon 17 Mar to 11:35 on Tue 18 Mar.", "fact": "2003-03-17T13:49:12Z → 2003-03-18T10:34:34Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:54–18:19 on the 17th, 15:53–18:19 on the 18th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 146 of 146 minutes on the 17th and 0 of 145 on the 18th.", "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 3881 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Monday 17 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Luanda, 2003: Tuesday 18 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": "2003-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-03-18", "confidence": "determinate" } ], "quote": "In Luanda, Holī 2003 falls on Tuesday 18 March. It is kept the day after Holikā Dahana, which falls on Monday 17 March. Pūrṇimā runs from 14:49 on Mon 17 Mar to 11:35 on Tue 18 Mar and covers all of sāyāhna on the 17th.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6924, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2003-03-18T11:34:34+01:00", "utc": "2003-03-18T10:34:34Z", "ms": 1047983673889.9171 }, "end": { "local": "2003-03-19T08:06:50+01:00", "utc": "2003-03-19T07:06:50Z", "ms": 1048057610022.8093 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-03-18T11:34:34+01:00", "utc": "2003-03-18T10:34:34Z", "ms": 1047983673889.9171 }, "end": { "local": "2003-03-19T08:06:50+01:00", "utc": "2003-03-19T07:06:50Z", "ms": 1048057610022.8093 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-03-18", "window": { "start": { "local": "2003-03-18T06:11:29+01:00", "utc": "2003-03-18T05:11:29Z", "ms": 1047964288944.0901 }, "end": { "local": "2003-03-18T06:11:29+01:00", "utc": "2003-03-18T05:11:29Z", "ms": 1047964288944.0901 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-03-19", "window": { "start": { "local": "2003-03-19T06:11:26+01:00", "utc": "2003-03-19T05:11:26Z", "ms": 1048050686179.8732 }, "end": { "local": "2003-03-19T06:11:26+01:00", "utc": "2003-03-19T05:11:26Z", "ms": 1048050686179.8732 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:35 on Tue 18 Mar to 08:07 on Wed 19 Mar.", "fact": "2003-03-18T10:34:34Z → 2003-03-19T07:06:50Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 18th and 06:11 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6924 s" }, { "step": "ruling", "text": "Vasantotsava, Luanda, 2003: Wednesday 19 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": "2003-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-03-19", "confidence": "determinate" } ], "quote": "In Luanda, Vasantotsava 2003 falls on Wednesday 19 March. Pratipadā runs from 11:35 on Tue 18 Mar to 08:07 on Wed 19 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/sankashta-chaturthi?on=2003-03-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3582, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-03-21T01:13:47+01:00", "utc": "2003-03-21T00:13:47Z", "ms": 1048205626769.4939 }, "end": { "local": "2003-03-21T22:07:12+01:00", "utc": "2003-03-21T21:07:12Z", "ms": 1048280831699.7933 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-03-21T01:13:47+01:00", "utc": "2003-03-21T00:13:47Z", "ms": 1048205626769.4939 }, "end": { "local": "2003-03-21T22:07:12+01:00", "utc": "2003-03-21T21:07:12Z", "ms": 1048280831699.7933 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-03-20", "window": { "start": { "local": "2003-03-20T20:17:12+01:00", "utc": "2003-03-20T19:17:12Z", "ms": 1048187831859.0123 }, "end": { "local": "2003-03-20T20:17:12+01:00", "utc": "2003-03-20T19:17:12Z", "ms": 1048187831859.0123 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-03-21", "window": { "start": { "local": "2003-03-21T21:07:30+01:00", "utc": "2003-03-21T20:07:30Z", "ms": 1048277249513.592 }, "end": { "local": "2003-03-21T21:07:30+01:00", "utc": "2003-03-21T20:07:30Z", "ms": 1048277249513.592 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:14 on Fri 21 Mar to 22:07 on Fri 21 Mar.", "fact": "2003-03-21T00:13:47Z → 2003-03-21T21:07:12Z" }, { "step": "kaala", "text": "Moonrise is at 20:17 on the 20th and 21:07 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3582 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2003: Friday 21 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": "2003-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-03-21", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2003 falls on Friday 21 March. Caturthī runs from 01:14 on Fri 21 Mar to 22:07 on Fri 21 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/sankashta-chaturthi?on=2003-03-21", "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/2003/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6284, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2003-03-24T15:29:00+01:00", "utc": "2003-03-24T14:29:00Z", "ms": 1048516140179.595 }, "end": { "local": "2003-03-25T14:21:51+01:00", "utc": "2003-03-25T13:21:51Z", "ms": 1048598510723.2037 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-03-24T15:29:00+01:00", "utc": "2003-03-24T14:29:00Z", "ms": 1048516140179.595 }, "end": { "local": "2003-03-25T14:21:51+01:00", "utc": "2003-03-25T13:21:51Z", "ms": 1048598510723.2037 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-03-24", "window": { "start": { "local": "2003-03-24T11:49:25+01:00", "utc": "2003-03-24T10:49:25Z", "ms": 1048502964986.385 }, "end": { "local": "2003-03-24T12:37:25+01:00", "utc": "2003-03-24T11:37:25Z", "ms": 1048505844986.385 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-03-25", "window": { "start": { "local": "2003-03-25T11:49:07+01:00", "utc": "2003-03-25T10:49:07Z", "ms": 1048589346877.2064 }, "end": { "local": "2003-03-25T12:37:07+01:00", "utc": "2003-03-25T11:37:07Z", "ms": 1048592226877.2064 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 15:29 on Mon 24 Mar to 14:22 on Tue 25 Mar.", "fact": "2003-03-24T14:29:00Z → 2003-03-25T13:21:51Z" }, { "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": "Aṣṭamī 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 6284 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Luanda, 2003: Tuesday 25 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": "2003-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-03-25", "confidence": "determinate" } ], "quote": "In Luanda, Śītalāṣṭamī 2003 falls on Tuesday 25 March. Aṣṭamī runs from 15:29 on Mon 24 Mar to 14:22 on Tue 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-03-28", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27375, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-03-27T13:47:15+01:00", "utc": "2003-03-27T12:47:15Z", "ms": 1048769235174.045 }, "end": { "local": "2003-03-28T14:15:45+01:00", "utc": "2003-03-28T13:15:45Z", "ms": 1048857344866.9331 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-03-27T13:47:15+01:00", "utc": "2003-03-27T12:47:15Z", "ms": 1048769235174.045 }, "end": { "local": "2003-03-28T14:15:45+01:00", "utc": "2003-03-28T13:15:45Z", "ms": 1048857344866.9331 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-03-27", "window": { "start": { "local": "2003-03-27T06:11:00+01:00", "utc": "2003-03-27T05:11:00Z", "ms": 1048741859802.3828 }, "end": { "local": "2003-03-27T06:11:00+01:00", "utc": "2003-03-27T05:11:00Z", "ms": 1048741859802.3828 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-03-28", "window": { "start": { "local": "2003-03-28T06:10:56+01:00", "utc": "2003-03-28T05:10:56Z", "ms": 1048828256263.0345 }, "end": { "local": "2003-03-28T06:10:56+01:00", "utc": "2003-03-28T05:10:56Z", "ms": 1048828256263.0345 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:47 on Thu 27 Mar to 14:16 on Fri 28 Mar.", "fact": "2003-03-27T12:47:15Z → 2003-03-28T13:15:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 27th and 06:11 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is 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 27375 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Luanda, 2003: Friday 28 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": "2003-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-03-28", "confidence": "determinate" } ], "quote": "In Luanda, Pāpamocanī Ekādaśī 2003 falls on Friday 28 March. Ekādaśī runs from 13:47 on Thu 27 Mar to 14:16 on Fri 28 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-03-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-03-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6031, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-03-29T15:11:24+01:00", "utc": "2003-03-29T14:11:24Z", "ms": 1048947084360.5297 }, "end": { "local": "2003-03-30T16:31:53+01:00", "utc": "2003-03-30T15:31:53Z", "ms": 1049038312557.5027 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-03-29T15:11:24+01:00", "utc": "2003-03-29T14:11:24Z", "ms": 1048947084360.5297 }, "end": { "local": "2003-03-30T16:31:53+01:00", "utc": "2003-03-30T15:31:53Z", "ms": 1049038312557.5027 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-03-29", "window": { "start": { "local": "2003-03-29T18:12:56+01:00", "utc": "2003-03-29T17:12:56Z", "ms": 1048957976225.5818 }, "end": { "local": "2003-03-29T19:48:39+01:00", "utc": "2003-03-29T18:48:39Z", "ms": 1048963719289.2883 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2003-03-30", "window": { "start": { "local": "2003-03-30T18:12:24+01:00", "utc": "2003-03-30T17:12:24Z", "ms": 1049044343742.0446 }, "end": { "local": "2003-03-30T19:48:11+01:00", "utc": "2003-03-30T18:48:11Z", "ms": 1049050090671.3938 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:11 on Sat 29 Mar to 16:32 on Sun 30 Mar.", "fact": "2003-03-29T14:11:24Z → 2003-03-30T15:31:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:49 on the 29th, 18:12–19:48 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 96 of 96 minutes on the 29th and 0 of 96 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 6031 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2003: Saturday 29 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": "2003-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-03-29", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2003 falls on Saturday 29 March. Trayodaśī runs from 15:11 on Sat 29 Mar to 16:32 on Sun 30 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/shivaratri?on=2003-03-30", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19934, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-03-30T16:31:53+01:00", "utc": "2003-03-30T15:31:53Z", "ms": 1049038312557.5027 }, "end": { "local": "2003-03-31T18:15:03+01:00", "utc": "2003-03-31T17:15:03Z", "ms": 1049130902881.5961 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-03-30T16:31:53+01:00", "utc": "2003-03-30T15:31:53Z", "ms": 1049038312557.5027 }, "end": { "local": "2003-03-31T18:15:03+01:00", "utc": "2003-03-31T17:15:03Z", "ms": 1049130902881.5961 } }, "kaala": "nishita", "days": [ { "local_date": "2003-03-30", "window": { "start": { "local": "2003-03-30T23:47:35+01:00", "utc": "2003-03-30T22:47:35Z", "ms": 1049064454727.1044 }, "end": { "local": "2003-03-31T00:35:35+01:00", "utc": "2003-03-30T23:35:35Z", "ms": 1049067334727.1044 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-03-31", "window": { "start": { "local": "2003-03-31T23:47:17+01:00", "utc": "2003-03-31T22:47:17Z", "ms": 1049150836819.9406 }, "end": { "local": "2003-04-01T00:35:17+01:00", "utc": "2003-03-31T23:35:17Z", "ms": 1049153716819.9406 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:32 on Sun 30 Mar to 18:15 on Mon 31 Mar.", "fact": "2003-03-30T15:31:53Z → 2003-03-31T17:15:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 30th, 23:47–00:35 on the 31st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19934 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2003: Sunday 30 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": "2003-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-03-30", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2003 falls on Sunday 30 March. Caturdaśī runs from 16:32 on Sun 30 Mar to 18:15 on Mon 31 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2003/shivaratri?on=2003-03-30", "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/2003/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27822, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2003-04-01T20:18:43+01:00", "utc": "2003-04-01T19:18:43Z", "ms": 1049224722775.0717 }, "end": { "local": "2003-04-02T22:39:55+01:00", "utc": "2003-04-02T21:39:55Z", "ms": 1049319595021.501 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-04-01T20:18:43+01:00", "utc": "2003-04-01T19:18:43Z", "ms": 1049224722775.0717 }, "end": { "local": "2003-04-02T22:39:55+01:00", "utc": "2003-04-02T21:39:55Z", "ms": 1049319595021.501 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-04-01", "window": { "start": { "local": "2003-04-01T11:47:01+01:00", "utc": "2003-04-01T10:47:01Z", "ms": 1049194020703.4536 }, "end": { "local": "2003-04-01T12:35:01+01:00", "utc": "2003-04-01T11:35:01Z", "ms": 1049196900703.4536 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-04-02", "window": { "start": { "local": "2003-04-02T11:46:43+01:00", "utc": "2003-04-02T10:46:43Z", "ms": 1049280402969.6273 }, "end": { "local": "2003-04-02T12:34:43+01:00", "utc": "2003-04-02T11:34:43Z", "ms": 1049283282969.6273 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:19 on Tue 1 Apr to 22:40 on Wed 2 Apr.", "fact": "2003-04-01T19:18:43Z → 2003-04-02T21:39:55Z" }, { "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": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27822 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Luanda, 2003: Wednesday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-02", "confidence": "determinate" } ], "quote": "In Luanda, Navarātrārambha (Caitra) (Chaitra Navratri) 2003 falls on Wednesday 2 April. Pratipadā runs from 20:19 on Tue 1 Apr to 22:40 on Wed 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28260, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2003-04-04T01:14:11+01:00", "utc": "2003-04-04T00:14:11Z", "ms": 1049415250882.3652 }, "end": { "local": "2003-04-05T03:54:50+01:00", "utc": "2003-04-05T02:54:50Z", "ms": 1049511290099.0135 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-04-04T01:14:11+01:00", "utc": "2003-04-04T00:14:11Z", "ms": 1049415250882.3652 }, "end": { "local": "2003-04-05T03:54:50+01:00", "utc": "2003-04-05T02:54:50Z", "ms": 1049511290099.0135 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-04-04", "window": { "start": { "local": "2003-04-04T11:46:08+01:00", "utc": "2003-04-04T10:46:08Z", "ms": 1049453167884.5809 }, "end": { "local": "2003-04-04T12:34:08+01:00", "utc": "2003-04-04T11:34:08Z", "ms": 1049456047884.5809 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-04-05", "window": { "start": { "local": "2003-04-05T11:45:51+01:00", "utc": "2003-04-05T10:45:51Z", "ms": 1049539550565.5325 }, "end": { "local": "2003-04-05T12:33:51+01:00", "utc": "2003-04-05T11:33:51Z", "ms": 1049542430565.5325 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:14 on Fri 4 Apr to 03:55 on Sat 5 Apr.", "fact": "2003-04-04T00:14:11Z → 2003-04-05T02:54:50Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28260 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Luanda, 2003: Friday 4 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-04", "confidence": "determinate" } ], "quote": "In Luanda, Gaurī Tṛtīyā (Gangaur) 2003 falls on Friday 4 April. Tṛtīyā runs from 01:14 on Fri 4 Apr to 03:55 on Sat 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28260, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2003-04-04T01:14:11+01:00", "utc": "2003-04-04T00:14:11Z", "ms": 1049415250882.3652 }, "end": { "local": "2003-04-05T03:54:50+01:00", "utc": "2003-04-05T02:54:50Z", "ms": 1049511290099.0135 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-04-04T01:14:11+01:00", "utc": "2003-04-04T00:14:11Z", "ms": 1049415250882.3652 }, "end": { "local": "2003-04-05T03:54:50+01:00", "utc": "2003-04-05T02:54:50Z", "ms": 1049511290099.0135 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-04-04", "window": { "start": { "local": "2003-04-04T11:46:08+01:00", "utc": "2003-04-04T10:46:08Z", "ms": 1049453167884.5809 }, "end": { "local": "2003-04-04T12:34:08+01:00", "utc": "2003-04-04T11:34:08Z", "ms": 1049456047884.5809 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-04-05", "window": { "start": { "local": "2003-04-05T11:45:51+01:00", "utc": "2003-04-05T10:45:51Z", "ms": 1049539550565.5325 }, "end": { "local": "2003-04-05T12:33:51+01:00", "utc": "2003-04-05T11:33:51Z", "ms": 1049542430565.5325 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:14 on Fri 4 Apr to 03:55 on Sat 5 Apr.", "fact": "2003-04-04T00:14:11Z → 2003-04-05T02:54:50Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28260 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Luanda, 2003: Friday 4 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-04", "confidence": "determinate" } ], "quote": "In Luanda, Saubhāgya Śayana Vrata 2003 falls on Friday 4 April. Tṛtīyā runs from 01:14 on Fri 4 Apr to 03:55 on Sat 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/vinayaka-chaturthi?on=2003-04-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18768, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-04-05T03:54:50+01:00", "utc": "2003-04-05T02:54:50Z", "ms": 1049511290099.0135 }, "end": { "local": "2003-04-06T06:32:46+01:00", "utc": "2003-04-06T05:32:46Z", "ms": 1049607165789.5104 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-04-05T03:54:50+01:00", "utc": "2003-04-05T02:54:50Z", "ms": 1049511290099.0135 }, "end": { "local": "2003-04-06T06:32:46+01:00", "utc": "2003-04-06T05:32:46Z", "ms": 1049607165789.5104 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-04-05", "window": { "start": { "local": "2003-04-05T11:45:51+01:00", "utc": "2003-04-05T10:45:51Z", "ms": 1049539550565.5325 }, "end": { "local": "2003-04-05T12:33:51+01:00", "utc": "2003-04-05T11:33:51Z", "ms": 1049542430565.5325 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-04-06", "window": { "start": { "local": "2003-04-06T11:45:33+01:00", "utc": "2003-04-06T10:45:33Z", "ms": 1049625933416.8795 }, "end": { "local": "2003-04-06T12:33:33+01:00", "utc": "2003-04-06T11:33:33Z", "ms": 1049628813416.8795 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:55 on Sat 5 Apr to 06:33 on Sun 6 Apr.", "fact": "2003-04-05T02:54:50Z → 2003-04-06T05:32:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 5th, 11:46–12:34 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18768 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2003: Saturday 5 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": "2003-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-05", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2003 falls on Saturday 5 April. Caturthī runs from 03:55 on Sat 5 Apr to 06:33 on Sun 6 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/vinayaka-chaturthi?on=2003-04-05", "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/2003/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10107, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2003-04-06T06:32:46+01:00", "utc": "2003-04-06T05:32:46Z", "ms": 1049607165789.5104 }, "end": { "local": "2003-04-07T08:56:50+01:00", "utc": "2003-04-07T07:56:50Z", "ms": 1049702209819.3718 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-04-06T06:32:46+01:00", "utc": "2003-04-06T05:32:46Z", "ms": 1049607165789.5104 }, "end": { "local": "2003-04-07T08:56:50+01:00", "utc": "2003-04-07T07:56:50Z", "ms": 1049702209819.3718 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-04-06", "window": { "start": { "local": "2003-04-06T11:45:33+01:00", "utc": "2003-04-06T10:45:33Z", "ms": 1049625933416.8795 }, "end": { "local": "2003-04-06T12:33:33+01:00", "utc": "2003-04-06T11:33:33Z", "ms": 1049628813416.8795 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-04-07", "window": { "start": { "local": "2003-04-07T11:45:16+01:00", "utc": "2003-04-07T10:45:16Z", "ms": 1049712316454.6713 }, "end": { "local": "2003-04-07T12:33:16+01:00", "utc": "2003-04-07T11:33:16Z", "ms": 1049715196454.6713 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 06:33 on Sun 6 Apr to 08:57 on Mon 7 Apr.", "fact": "2003-04-06T05:32:46Z → 2003-04-07T07:56:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 6th, 11:45–12:33 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10107 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Luanda, 2003: Sunday 6 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-06", "confidence": "determinate" } ], "quote": "In Luanda, Lakṣmī Pañcamī 2003 falls on Sunday 6 April. Pañcamī runs from 06:33 on Sun 6 Apr to 08:57 on Mon 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 987, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2003-04-09T12:16:16+01:00", "utc": "2003-04-09T11:16:16Z", "ms": 1049886976446.6987 }, "end": { "local": "2003-04-10T12:51:54+01:00", "utc": "2003-04-10T11:51:54Z", "ms": 1049975513912.5726 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-04-09T12:16:16+01:00", "utc": "2003-04-09T11:16:16Z", "ms": 1049886976446.6987 }, "end": { "local": "2003-04-10T12:51:54+01:00", "utc": "2003-04-10T11:51:54Z", "ms": 1049975513912.5726 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-04-09", "window": { "start": { "local": "2003-04-09T11:44:43+01:00", "utc": "2003-04-09T10:44:43Z", "ms": 1049885083154.267 }, "end": { "local": "2003-04-09T12:32:43+01:00", "utc": "2003-04-09T11:32:43Z", "ms": 1049887963154.267 } }, "covered_min": 16, "window_min": 48, "qualifies": true }, { "local_date": "2003-04-10", "window": { "start": { "local": "2003-04-10T11:44:27+01:00", "utc": "2003-04-10T10:44:27Z", "ms": 1049971466848.6279 }, "end": { "local": "2003-04-10T12:32:27+01:00", "utc": "2003-04-10T11:32:27Z", "ms": 1049974346848.6279 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:16 on Wed 9 Apr to 12:52 on Thu 10 Apr.", "fact": "2003-04-09T11:16:16Z → 2003-04-10T11:51:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 9th, 11:44–12:32 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 16 of 48 minutes on the 9th and 48 of 48 on the 10th.", "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 987 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Luanda, 2003: Thursday 10 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-10", "confidence": "determinate" } ], "quote": "In Luanda, Bhavānī Utpatti 2003 falls on Thursday 10 April. Aṣṭamī runs from 12:16 on Wed 9 Apr to 12:52 on Thu 10 Apr and covers all of madhyāhna that midday. It also reaches the previous midday for 16 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-11", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 294, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2003-04-10T12:51:54+01:00", "utc": "2003-04-10T11:51:54Z", "ms": 1049975513912.5726 }, "end": { "local": "2003-04-11T12:37:05+01:00", "utc": "2003-04-11T11:37:05Z", "ms": 1050061024594.7322 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-04-10T12:51:54+01:00", "utc": "2003-04-10T11:51:54Z", "ms": 1049975513912.5726 }, "end": { "local": "2003-04-11T12:37:05+01:00", "utc": "2003-04-11T11:37:05Z", "ms": 1050061024594.7322 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-04-10", "window": { "start": { "local": "2003-04-10T11:44:27+01:00", "utc": "2003-04-10T10:44:27Z", "ms": 1049971466848.6279 }, "end": { "local": "2003-04-10T12:32:27+01:00", "utc": "2003-04-10T11:32:27Z", "ms": 1049974346848.6279 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-04-11", "window": { "start": { "local": "2003-04-11T11:44:11+01:00", "utc": "2003-04-11T10:44:11Z", "ms": 1050057850794.7871 }, "end": { "local": "2003-04-11T12:32:11+01:00", "utc": "2003-04-11T11:32:11Z", "ms": 1050060730794.7871 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 12:52 on Thu 10 Apr to 12:37 on Fri 11 Apr.", "fact": "2003-04-10T11:51:54Z → 2003-04-11T11:37:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 10th, 11:44–12:32 on the 11th.", "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 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 294 s < 300 s" }, { "step": "ruling", "text": "Rāma Navamī, Luanda, 2003: Friday 11 April.", "fact": "confidence: boundary (margin)" } ], "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": "2003-04-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-11", "confidence": "boundary" } ], "quote": "In Luanda, Rāma Navamī 2003 falls on Friday 11 April. Navamī runs from 12:52 on Thu 10 Apr to 12:37 on Fri 11 Apr and covers all of madhyāhna that midday. It is 4 min 54 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-04-13", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12427, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-04-12T11:31:08+01:00", "utc": "2003-04-12T10:31:08Z", "ms": 1050143468279.3009 }, "end": { "local": "2003-04-13T09:37:16+01:00", "utc": "2003-04-13T08:37:16Z", "ms": 1050223036461.1198 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-04-12T11:31:08+01:00", "utc": "2003-04-12T10:31:08Z", "ms": 1050143468279.3009 }, "end": { "local": "2003-04-13T09:37:16+01:00", "utc": "2003-04-13T08:37:16Z", "ms": 1050223036461.1198 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-04-12", "window": { "start": { "local": "2003-04-12T06:10:11+01:00", "utc": "2003-04-12T05:10:11Z", "ms": 1050124211190.0076 }, "end": { "local": "2003-04-12T06:10:11+01:00", "utc": "2003-04-12T05:10:11Z", "ms": 1050124211190.0076 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-04-13", "window": { "start": { "local": "2003-04-13T06:10:09+01:00", "utc": "2003-04-13T05:10:09Z", "ms": 1050210609340.5498 }, "end": { "local": "2003-04-13T06:10:09+01:00", "utc": "2003-04-13T05:10:09Z", "ms": 1050210609340.5498 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:31 on Sat 12 Apr to 09:37 on Sun 13 Apr.", "fact": "2003-04-12T10:31:08Z → 2003-04-13T08:37:16Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 12th and 06:10 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 12427 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Luanda, 2003: Sunday 13 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": "2003-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-13", "confidence": "determinate" } ], "quote": "In Luanda, Kāmadā Ekādaśī 2003 falls on Sunday 13 April. Ekādaśī runs from 11:31 on Sat 12 Apr to 09:37 on Sun 13 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3995, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2003-04-14T07:16:43+01:00", "utc": "2003-04-14T06:16:43Z", "ms": 1050301003038.373 }, "end": { "local": "2003-05-15T04:10:33+01:00", "utc": "2003-05-15T03:10:33Z", "ms": 1052968233431.302 } }, "span": { "of": "transit", "start": { "local": "2003-04-14T07:16:43+01:00", "utc": "2003-04-14T06:16:43Z", "ms": 1050301003038.373 }, "end": { "local": "2003-04-14T07:16:43+01:00", "utc": "2003-04-14T06:16:43Z", "ms": 1050301003038.373 } }, "kaala": "day", "days": [ { "local_date": "2003-04-13", "window": { "start": { "local": "2003-04-13T06:10:09+01:00", "utc": "2003-04-13T05:10:09Z", "ms": 1050210609340.5498 }, "end": { "local": "2003-04-14T06:10:08+01:00", "utc": "2003-04-14T05:10:08Z", "ms": 1050297007715.8607 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2003-04-14", "window": { "start": { "local": "2003-04-14T06:10:08+01:00", "utc": "2003-04-14T05:10:08Z", "ms": 1050297007715.8607 }, "end": { "local": "2003-04-15T06:10:06+01:00", "utc": "2003-04-15T05:10:06Z", "ms": 1050383406332.3331 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 07:17 on Mon 14 Apr.", "fact": "2003-04-14T06:16:43Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:10 on the 13th, and from 06:10 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 3995 s" }, { "step": "ruling", "text": "Vaiśākhī, Luanda, 2003: Monday 14 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": "2003-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2003-04-14", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2003-04-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Luanda, Vaiśākhī 2003 falls on Monday 14 April. The Sun enters Meṣa at 07:17 on Mon 14 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16898, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-04-14T07:01:46+01:00", "utc": "2003-04-14T06:01:46Z", "ms": 1050300105875.6382 }, "end": { "local": "2003-04-15T03:53:03+01:00", "utc": "2003-04-15T02:53:03Z", "ms": 1050375183215.7483 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-04-14T07:01:46+01:00", "utc": "2003-04-14T06:01:46Z", "ms": 1050300105875.6382 }, "end": { "local": "2003-04-15T03:53:03+01:00", "utc": "2003-04-15T02:53:03Z", "ms": 1050375183215.7483 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-04-14", "window": { "start": { "local": "2003-04-14T11:43:24+01:00", "utc": "2003-04-14T10:43:24Z", "ms": 1050317004317.5415 }, "end": { "local": "2003-04-14T12:31:24+01:00", "utc": "2003-04-14T11:31:24Z", "ms": 1050319884317.5415 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-04-15", "window": { "start": { "local": "2003-04-15T11:43:09+01:00", "utc": "2003-04-15T10:43:09Z", "ms": 1050403389447.7596 }, "end": { "local": "2003-04-15T12:31:09+01:00", "utc": "2003-04-15T11:31:09Z", "ms": 1050406269447.7596 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:02 on Mon 14 Apr to 03:53 on Tue 15 Apr.", "fact": "2003-04-14T06:01:46Z → 2003-04-15T02:53:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 14th, 11:43–12:31 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16898 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Luanda, 2003: Monday 14 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": "2003-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-14", "confidence": "determinate" } ], "quote": "In Luanda, Anaṅga Trayodaśī 2003 falls on Monday 14 April. Trayodaśī runs from 07:02 on Mon 14 Apr to 03:53 on Tue 15 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/pradosha-vrata?on=2003-04-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29499, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-04-14T07:01:46+01:00", "utc": "2003-04-14T06:01:46Z", "ms": 1050300105875.6382 }, "end": { "local": "2003-04-15T03:53:03+01:00", "utc": "2003-04-15T02:53:03Z", "ms": 1050375183215.7483 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-04-14T07:01:46+01:00", "utc": "2003-04-14T06:01:46Z", "ms": 1050300105875.6382 }, "end": { "local": "2003-04-15T03:53:03+01:00", "utc": "2003-04-15T02:53:03Z", "ms": 1050375183215.7483 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-04-13", "window": { "start": { "local": "2003-04-13T18:05:10+01:00", "utc": "2003-04-13T17:05:10Z", "ms": 1050253509681.9655 }, "end": { "local": "2003-04-13T19:41:49+01:00", "utc": "2003-04-13T18:41:49Z", "ms": 1050259309419.8181 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2003-04-14", "window": { "start": { "local": "2003-04-14T18:04:41+01:00", "utc": "2003-04-14T17:04:41Z", "ms": 1050339880919.2224 }, "end": { "local": "2003-04-14T19:41:24+01:00", "utc": "2003-04-14T18:41:24Z", "ms": 1050345684307.6372 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:02 on Mon 14 Apr to 03:53 on Tue 15 Apr.", "fact": "2003-04-14T06:01:46Z → 2003-04-15T02:53:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:42 on the 13th, 18:05–19:41 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 97 minutes on the 13th and 97 of 97 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 29499 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2003: Monday 14 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": "2003-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-14", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2003 falls on Monday 14 April. Trayodaśī runs from 07:02 on Mon 14 Apr to 03:53 on Tue 15 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-04-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28206, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-04-15T03:53:03+01:00", "utc": "2003-04-15T02:53:03Z", "ms": 1050375183215.7483 }, "end": { "local": "2003-04-16T00:20:54+01:00", "utc": "2003-04-15T23:20:54Z", "ms": 1050448854127.319 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-04-15T03:53:03+01:00", "utc": "2003-04-15T02:53:03Z", "ms": 1050375183215.7483 }, "end": { "local": "2003-04-16T00:20:54+01:00", "utc": "2003-04-15T23:20:54Z", "ms": 1050448854127.319 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-04-15", "window": { "start": { "local": "2003-04-15T11:43:09+01:00", "utc": "2003-04-15T10:43:09Z", "ms": 1050403389447.7596 }, "end": { "local": "2003-04-15T12:31:09+01:00", "utc": "2003-04-15T11:31:09Z", "ms": 1050406269447.7596 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-04-16", "window": { "start": { "local": "2003-04-16T11:42:55+01:00", "utc": "2003-04-16T10:42:55Z", "ms": 1050489774921.6681 }, "end": { "local": "2003-04-16T12:30:55+01:00", "utc": "2003-04-16T11:30:55Z", "ms": 1050492654921.6681 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:53 on Tue 15 Apr to 00:21 on Wed 16 Apr.", "fact": "2003-04-15T02:53:03Z → 2003-04-15T23:20:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 15th, 11:43–12:31 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28206 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Luanda, 2003: Tuesday 15 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": "2003-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-15", "confidence": "determinate" } ], "quote": "In Luanda, Viṣṇudamanaka Caturdaśī 2003 falls on Tuesday 15 April. Caturdaśī runs from 03:53 on Tue 15 Apr to 00:21 on Wed 16 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29087, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-04-16T00:20:54+01:00", "utc": "2003-04-15T23:20:54Z", "ms": 1050448854127.319 }, "end": { "local": "2003-04-16T20:35:42+01:00", "utc": "2003-04-16T19:35:42Z", "ms": 1050521742109.2137 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2003-04-16T00:20:54+01:00", "utc": "2003-04-15T23:20:54Z", "ms": 1050448854127.319 }, "end": { "local": "2003-04-16T20:35:42+01:00", "utc": "2003-04-16T19:35:42Z", "ms": 1050521742109.2137 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-04-15", "window": { "start": { "local": "2003-04-15T11:43:09+01:00", "utc": "2003-04-15T10:43:09Z", "ms": 1050403389447.7596 }, "end": { "local": "2003-04-15T12:31:09+01:00", "utc": "2003-04-15T11:31:09Z", "ms": 1050406269447.7596 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-04-16", "window": { "start": { "local": "2003-04-16T11:42:55+01:00", "utc": "2003-04-16T10:42:55Z", "ms": 1050489774921.6681 }, "end": { "local": "2003-04-16T12:30:55+01:00", "utc": "2003-04-16T11:30:55Z", "ms": 1050492654921.6681 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:21 on Wed 16 Apr to 20:36 on Wed 16 Apr.", "fact": "2003-04-15T23:20:54Z → 2003-04-16T19:35:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 15th, 11:43–12:31 on the 16th.", "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 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29087 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Luanda, 2003: Wednesday 16 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": "2003-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-16", "confidence": "determinate" } ], "quote": "In Luanda, Caitrī Pūrṇimā 2003 falls on Wednesday 16 April. Pūrṇimā runs from 00:21 on Wed 16 Apr to 20:36 on Wed 16 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/sankashta-chaturthi?on=2003-04-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36256, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-04-19T09:45:01+01:00", "utc": "2003-04-19T08:45:01Z", "ms": 1050741901153.579 }, "end": { "local": "2003-04-20T06:47:58+01:00", "utc": "2003-04-20T05:47:58Z", "ms": 1050817678070.4722 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-04-19T09:45:01+01:00", "utc": "2003-04-19T08:45:01Z", "ms": 1050741901153.579 }, "end": { "local": "2003-04-20T06:47:58+01:00", "utc": "2003-04-20T05:47:58Z", "ms": 1050817678070.4722 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-04-18", "window": { "start": { "local": "2003-04-18T19:46:59+01:00", "utc": "2003-04-18T18:46:59Z", "ms": 1050691618522.7997 }, "end": { "local": "2003-04-18T19:46:59+01:00", "utc": "2003-04-18T18:46:59Z", "ms": 1050691618522.7997 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-04-19", "window": { "start": { "local": "2003-04-19T20:43:42+01:00", "utc": "2003-04-19T19:43:42Z", "ms": 1050781422378.407 }, "end": { "local": "2003-04-19T20:43:42+01:00", "utc": "2003-04-19T19:43:42Z", "ms": 1050781422378.407 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:45 on Sat 19 Apr to 06:48 on Sun 20 Apr.", "fact": "2003-04-19T08:45:01Z → 2003-04-20T05:47:58Z" }, { "step": "kaala", "text": "Moonrise is at 19:47 on the 18th and 20:44 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36256 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2003: Saturday 19 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": "2003-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-19", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2003 falls on Saturday 19 April. Caturthī runs from 09:45 on Sat 19 Apr to 06:48 on Sun 20 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/sankashta-chaturthi?on=2003-04-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/ekadashi?on=2003-04-26", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7853, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-04-26T02:29:54+01:00", "utc": "2003-04-26T01:29:54Z", "ms": 1051320594157.8461 }, "end": { "local": "2003-04-27T03:59:21+01:00", "utc": "2003-04-27T02:59:21Z", "ms": 1051412360890.2474 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-04-26T02:29:54+01:00", "utc": "2003-04-26T01:29:54Z", "ms": 1051320594157.8461 }, "end": { "local": "2003-04-27T03:59:21+01:00", "utc": "2003-04-27T02:59:21Z", "ms": 1051412360890.2474 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-04-26", "window": { "start": { "local": "2003-04-26T06:10:12+01:00", "utc": "2003-04-26T05:10:12Z", "ms": 1051333811622.0247 }, "end": { "local": "2003-04-26T06:10:12+01:00", "utc": "2003-04-26T05:10:12Z", "ms": 1051333811622.0247 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-04-27", "window": { "start": { "local": "2003-04-27T06:10:14+01:00", "utc": "2003-04-27T05:10:14Z", "ms": 1051420214281.2296 }, "end": { "local": "2003-04-27T06:10:14+01:00", "utc": "2003-04-27T05:10:14Z", "ms": 1051420214281.2296 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:30 on Sat 26 Apr to 03:59 on Sun 27 Apr.", "fact": "2003-04-26T01:29:54Z → 2003-04-27T02:59:21Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 26th and 06:10 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7853 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Luanda, 2003: Saturday 26 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": "2003-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-26", "confidence": "determinate" } ], "quote": "In Luanda, Varūthinī Ekādaśī 2003 falls on Saturday 26 April. Ekādaśī runs from 02:30 on Sat 26 Apr to 03:59 on Sun 27 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-04-26", "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/2003/pradosha-vrata?on=2003-04-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35292, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-04-28T05:54:57+01:00", "utc": "2003-04-28T04:54:57Z", "ms": 1051505697037.8877 }, "end": { "local": "2003-04-29T08:10:18+01:00", "utc": "2003-04-29T07:10:18Z", "ms": 1051600217536.7305 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-04-28T05:54:57+01:00", "utc": "2003-04-28T04:54:57Z", "ms": 1051505697037.8877 }, "end": { "local": "2003-04-29T08:10:18+01:00", "utc": "2003-04-29T07:10:18Z", "ms": 1051600217536.7305 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-04-28", "window": { "start": { "local": "2003-04-28T17:58:50+01:00", "utc": "2003-04-28T16:58:50Z", "ms": 1051549130277.0167 }, "end": { "local": "2003-04-28T19:36:22+01:00", "utc": "2003-04-28T18:36:22Z", "ms": 1051554982345.0187 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2003-04-29", "window": { "start": { "local": "2003-04-29T17:58:30+01:00", "utc": "2003-04-29T16:58:30Z", "ms": 1051635509628.0779 }, "end": { "local": "2003-04-29T19:36:05+01:00", "utc": "2003-04-29T18:36:05Z", "ms": 1051641364962.9247 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:55 on Mon 28 Apr to 08:10 on Tue 29 Apr.", "fact": "2003-04-28T04:54:57Z → 2003-04-29T07:10:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:36 on the 28th, 17:58–19:36 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 98 of 98 minutes on the 28th and 0 of 98 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35292 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2003: Monday 28 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": "2003-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-28", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2003 falls on Monday 28 April. Trayodaśī runs from 05:55 on Mon 28 Apr to 08:10 on Tue 29 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-04-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/shivaratri?on=2003-04-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27702, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-04-29T08:10:18+01:00", "utc": "2003-04-29T07:10:18Z", "ms": 1051600217536.7305 }, "end": { "local": "2003-04-30T10:39:00+01:00", "utc": "2003-04-30T09:39:00Z", "ms": 1051695539972.794 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-04-29T08:10:18+01:00", "utc": "2003-04-29T07:10:18Z", "ms": 1051600217536.7305 }, "end": { "local": "2003-04-30T10:39:00+01:00", "utc": "2003-04-30T09:39:00Z", "ms": 1051695539972.794 } }, "kaala": "nishita", "days": [ { "local_date": "2003-04-28", "window": { "start": { "local": "2003-04-28T23:40:36+01:00", "utc": "2003-04-28T22:40:36Z", "ms": 1051569635532.0242 }, "end": { "local": "2003-04-29T00:28:36+01:00", "utc": "2003-04-28T23:28:36Z", "ms": 1051572515532.0242 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-04-29", "window": { "start": { "local": "2003-04-29T23:40:27+01:00", "utc": "2003-04-29T22:40:27Z", "ms": 1051656027133.7534 }, "end": { "local": "2003-04-30T00:28:27+01:00", "utc": "2003-04-29T23:28:27Z", "ms": 1051658907133.7534 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:10 on Tue 29 Apr to 10:39 on Wed 30 Apr.", "fact": "2003-04-29T07:10:18Z → 2003-04-30T09:39:00Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 28th, 23:40–00:28 on the 29th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27702 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2003: Tuesday 29 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": "2003-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-04-29", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2003 falls on Tuesday 29 April. Caturdaśī runs from 08:10 on Tue 29 Apr to 10:39 on Wed 30 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2003/shivaratri?on=2003-04-29", "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/2003/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29738, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2003-05-03T18:21:49+01:00", "utc": "2003-05-03T17:21:49Z", "ms": 1051982508514.4086 }, "end": { "local": "2003-05-04T20:38:59+01:00", "utc": "2003-05-04T19:38:59Z", "ms": 1052077138679.2926 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-03T18:21:49+01:00", "utc": "2003-05-03T17:21:49Z", "ms": 1051982508514.4086 }, "end": { "local": "2003-05-04T20:38:59+01:00", "utc": "2003-05-04T19:38:59Z", "ms": 1052077138679.2926 } }, "kaala": "purvahna", "days": [ { "local_date": "2003-05-03", "window": { "start": { "local": "2003-05-03T06:10:39+01:00", "utc": "2003-05-03T05:10:39Z", "ms": 1051938638610.3433 }, "end": { "local": "2003-05-03T10:06:10+01:00", "utc": "2003-05-03T09:06:10Z", "ms": 1051952770291.0269 } }, "covered_min": 0, "window_min": 236, "qualifies": false }, { "local_date": "2003-05-04", "window": { "start": { "local": "2003-05-04T06:10:44+01:00", "utc": "2003-05-04T05:10:44Z", "ms": 1052025044071.8484 }, "end": { "local": "2003-05-04T10:06:08+01:00", "utc": "2003-05-04T09:06:08Z", "ms": 1052039168165.6942 } }, "covered_min": 235, "window_min": 235, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 18:22 on Sat 3 May to 20:39 on Sun 4 May.", "fact": "2003-05-03T17:21:49Z → 2003-05-04T19:38:59Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:11–10:06 on the 3rd, 06:11–10:06 on the 4th.", "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 236 minutes on the 3rd and 235 of 235 on the 4th.", "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 29738 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Luanda, 2003: Sunday 4 May.", "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": "2003-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-04", "confidence": "determinate" } ], "quote": "In Luanda, Akṣaya Tṛtīyā 2003 falls on Sunday 4 May. Tṛtīyā runs from 18:22 on Sat 3 May to 20:39 on Sun 4 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1475, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2003-05-03T18:21:49+01:00", "utc": "2003-05-03T17:21:49Z", "ms": 1051982508514.4086 }, "end": { "local": "2003-05-04T20:38:59+01:00", "utc": "2003-05-04T19:38:59Z", "ms": 1052077138679.2926 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-03T18:21:49+01:00", "utc": "2003-05-03T17:21:49Z", "ms": 1051982508514.4086 }, "end": { "local": "2003-05-04T20:38:59+01:00", "utc": "2003-05-04T19:38:59Z", "ms": 1052077138679.2926 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-05-03", "window": { "start": { "local": "2003-05-03T17:57:14+01:00", "utc": "2003-05-03T16:57:14Z", "ms": 1051981033652.394 }, "end": { "local": "2003-05-03T19:35:02+01:00", "utc": "2003-05-03T18:35:02Z", "ms": 1051986901708.3213 } }, "covered_min": 73, "window_min": 98, "qualifies": true }, { "local_date": "2003-05-04", "window": { "start": { "local": "2003-05-04T17:56:56+01:00", "utc": "2003-05-04T16:56:56Z", "ms": 1052067416353.3857 }, "end": { "local": "2003-05-04T19:34:47+01:00", "utc": "2003-05-04T18:34:47Z", "ms": 1052073287497.437 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 18:22 on Sat 3 May to 20:39 on Sun 4 May.", "fact": "2003-05-03T17:21:49Z → 2003-05-04T19:38:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:35 on the 3rd, 17:57–19:35 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 73 of 98 minutes on the 3rd and 98 of 98 on the 4th.", "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 1475 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Luanda, 2003: Sunday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-04", "confidence": "determinate" } ], "quote": "In Luanda, Paraśurāma Jayantī 2003 falls on Sunday 4 May. Tṛtīyā runs from 18:22 on Sat 3 May to 20:39 on Sun 4 May and covers all of pradoṣa that evening. It also reaches the previous evening for 73 minutes; by the rule the second evening is taken.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/vinayaka-chaturthi?on=2003-05-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29468, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-05-04T20:38:59+01:00", "utc": "2003-05-04T19:38:59Z", "ms": 1052077138679.2926 }, "end": { "local": "2003-05-05T22:35:05+01:00", "utc": "2003-05-05T21:35:05Z", "ms": 1052170504637.0453 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-04T20:38:59+01:00", "utc": "2003-05-04T19:38:59Z", "ms": 1052077138679.2926 }, "end": { "local": "2003-05-05T22:35:05+01:00", "utc": "2003-05-05T21:35:05Z", "ms": 1052170504637.0453 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-05-04", "window": { "start": { "local": "2003-05-04T11:39:50+01:00", "utc": "2003-05-04T10:39:50Z", "ms": 1052044790212.6171 }, "end": { "local": "2003-05-04T12:27:50+01:00", "utc": "2003-05-04T11:27:50Z", "ms": 1052047670212.6171 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-05-05", "window": { "start": { "local": "2003-05-05T11:39:45+01:00", "utc": "2003-05-05T10:39:45Z", "ms": 1052131184839.9958 }, "end": { "local": "2003-05-05T12:27:45+01:00", "utc": "2003-05-05T11:27:45Z", "ms": 1052134064839.9958 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:39 on Sun 4 May to 22:35 on Mon 5 May.", "fact": "2003-05-04T19:38:59Z → 2003-05-05T21:35:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 4th, 11:40–12:28 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29468 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2003: Monday 5 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": "2003-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-05", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2003 falls on Monday 5 May. Caturthī runs from 20:39 on Sun 4 May to 22:35 on Mon 5 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/vinayaka-chaturthi?on=2003-05-05", "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/2003/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36440, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2003-05-05T22:35:05+01:00", "utc": "2003-05-05T21:35:05Z", "ms": 1052170504637.0453 }, "end": { "local": "2003-05-07T00:02:23+01:00", "utc": "2003-05-06T23:02:23Z", "ms": 1052262142589.2341 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-05T22:35:05+01:00", "utc": "2003-05-05T21:35:05Z", "ms": 1052170504637.0453 }, "end": { "local": "2003-05-07T00:02:23+01:00", "utc": "2003-05-06T23:02:23Z", "ms": 1052262142589.2341 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-05-05", "window": { "start": { "local": "2003-05-05T11:39:45+01:00", "utc": "2003-05-05T10:39:45Z", "ms": 1052131184839.9958 }, "end": { "local": "2003-05-05T12:27:45+01:00", "utc": "2003-05-05T11:27:45Z", "ms": 1052134064839.9958 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-05-06", "window": { "start": { "local": "2003-05-06T11:39:40+01:00", "utc": "2003-05-06T10:39:40Z", "ms": 1052217580015.4941 }, "end": { "local": "2003-05-06T12:27:40+01:00", "utc": "2003-05-06T11:27:40Z", "ms": 1052220460015.4941 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:35 on Mon 5 May to 00:02 on Wed 7 May.", "fact": "2003-05-05T21:35:05Z → 2003-05-06T23:02:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 5th, 11:40–12:28 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36440 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Luanda, 2003: Tuesday 6 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-06", "confidence": "determinate" } ], "quote": "In Luanda, Śaṅkara Jayantī 2003 falls on Tuesday 6 May. Pañcamī runs from 22:35 on Mon 5 May to 00:02 on Wed 7 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38104, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2003-05-08T00:53:55+01:00", "utc": "2003-05-07T23:53:55Z", "ms": 1052351635404.0149 }, "end": { "local": "2003-05-09T01:04:24+01:00", "utc": "2003-05-09T00:04:24Z", "ms": 1052438664383.6206 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-08T00:53:55+01:00", "utc": "2003-05-07T23:53:55Z", "ms": 1052351635404.0149 }, "end": { "local": "2003-05-09T01:04:24+01:00", "utc": "2003-05-09T00:04:24Z", "ms": 1052438664383.6206 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-05-08", "window": { "start": { "local": "2003-05-08T11:39:32+01:00", "utc": "2003-05-08T10:39:32Z", "ms": 1052390372016.6643 }, "end": { "local": "2003-05-08T12:27:32+01:00", "utc": "2003-05-08T11:27:32Z", "ms": 1052393252016.6643 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-05-09", "window": { "start": { "local": "2003-05-09T11:39:29+01:00", "utc": "2003-05-09T10:39:29Z", "ms": 1052476768844.4822 }, "end": { "local": "2003-05-09T12:27:29+01:00", "utc": "2003-05-09T11:27:29Z", "ms": 1052479648844.4822 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:54 on Thu 8 May to 01:04 on Fri 9 May.", "fact": "2003-05-07T23:53:55Z → 2003-05-09T00:04:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 8th, 11:39–12:27 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 38104 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Luanda, 2003: Thursday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-08", "confidence": "determinate" } ], "quote": "In Luanda, Gaṅgotpatti (Ganga Saptami) 2003 falls on Thursday 8 May. Saptamī runs from 00:54 on Thu 8 May to 01:04 on Fri 9 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-05-12", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32289, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-05-11T21:13:33+01:00", "utc": "2003-05-11T20:13:33Z", "ms": 1052684013022.0312 }, "end": { "local": "2003-05-12T18:37:09+01:00", "utc": "2003-05-12T17:37:09Z", "ms": 1052761028528.2775 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-11T21:13:33+01:00", "utc": "2003-05-11T20:13:33Z", "ms": 1052684013022.0312 }, "end": { "local": "2003-05-12T18:37:09+01:00", "utc": "2003-05-12T17:37:09Z", "ms": 1052761028528.2775 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-05-12", "window": { "start": { "local": "2003-05-12T06:11:42+01:00", "utc": "2003-05-12T05:11:42Z", "ms": 1052716301954.7784 }, "end": { "local": "2003-05-12T06:11:42+01:00", "utc": "2003-05-12T05:11:42Z", "ms": 1052716301954.7784 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-05-13", "window": { "start": { "local": "2003-05-13T06:11:51+01:00", "utc": "2003-05-13T05:11:51Z", "ms": 1052802710918.7595 }, "end": { "local": "2003-05-13T06:11:51+01:00", "utc": "2003-05-13T05:11:51Z", "ms": 1052802710918.7595 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:14 on Sun 11 May to 18:37 on Mon 12 May.", "fact": "2003-05-11T20:13:33Z → 2003-05-12T17:37:09Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 12th and 06:12 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 32289 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Luanda, 2003: Monday 12 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": "2003-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-12", "confidence": "determinate" } ], "quote": "In Luanda, Mohinī Ekādaśī 2003 falls on Monday 12 May. Ekādaśī runs from 21:14 on Sun 11 May to 18:37 on Mon 12 May and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-05-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10996, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2003-05-12T18:37:09+01:00", "utc": "2003-05-12T17:37:09Z", "ms": 1052761028528.2775 }, "end": { "local": "2003-05-13T15:30:38+01:00", "utc": "2003-05-13T14:30:38Z", "ms": 1052836238095.0531 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-12T18:37:09+01:00", "utc": "2003-05-12T17:37:09Z", "ms": 1052761028528.2775 }, "end": { "local": "2003-05-13T15:30:38+01:00", "utc": "2003-05-13T14:30:38Z", "ms": 1052836238095.0531 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-05-12", "window": { "start": { "local": "2003-05-12T11:39:23+01:00", "utc": "2003-05-12T10:39:23Z", "ms": 1052735962648.42 }, "end": { "local": "2003-05-12T12:27:23+01:00", "utc": "2003-05-12T11:27:23Z", "ms": 1052738842648.42 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-05-13", "window": { "start": { "local": "2003-05-13T11:39:22+01:00", "utc": "2003-05-13T10:39:22Z", "ms": 1052822361694.4655 }, "end": { "local": "2003-05-13T12:27:22+01:00", "utc": "2003-05-13T11:27:22Z", "ms": 1052825241694.4655 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:37 on Mon 12 May to 15:31 on Tue 13 May.", "fact": "2003-05-12T17:37:09Z → 2003-05-13T14:30:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 12th, 11:39–12:27 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10996 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Luanda, 2003: Tuesday 13 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": "2003-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-13", "confidence": "determinate" } ], "quote": "In Luanda, Paraśurāma Dvādaśī 2003 falls on Tuesday 13 May. Dvādaśī runs from 18:37 on Mon 12 May to 15:31 on Tue 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10996, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2003-05-12T18:37:09+01:00", "utc": "2003-05-12T17:37:09Z", "ms": 1052761028528.2775 }, "end": { "local": "2003-05-13T15:30:38+01:00", "utc": "2003-05-13T14:30:38Z", "ms": 1052836238095.0531 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-12T18:37:09+01:00", "utc": "2003-05-12T17:37:09Z", "ms": 1052761028528.2775 }, "end": { "local": "2003-05-13T15:30:38+01:00", "utc": "2003-05-13T14:30:38Z", "ms": 1052836238095.0531 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-05-12", "window": { "start": { "local": "2003-05-12T11:39:23+01:00", "utc": "2003-05-12T10:39:23Z", "ms": 1052735962648.42 }, "end": { "local": "2003-05-12T12:27:23+01:00", "utc": "2003-05-12T11:27:23Z", "ms": 1052738842648.42 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-05-13", "window": { "start": { "local": "2003-05-13T11:39:22+01:00", "utc": "2003-05-13T10:39:22Z", "ms": 1052822361694.4655 }, "end": { "local": "2003-05-13T12:27:22+01:00", "utc": "2003-05-13T11:27:22Z", "ms": 1052825241694.4655 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:37 on Mon 12 May to 15:31 on Tue 13 May.", "fact": "2003-05-12T17:37:09Z → 2003-05-13T14:30:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 12th, 11:39–12:27 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10996 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Luanda, 2003: Tuesday 13 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": "2003-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-13", "confidence": "determinate" } ], "quote": "In Luanda, Rukmiṇī Dvādaśī 2003 falls on Tuesday 13 May. Dvādaśī runs from 18:37 on Mon 12 May to 15:31 on Tue 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/pradosha-vrata?on=2003-05-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8654, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-05-13T15:30:38+01:00", "utc": "2003-05-13T14:30:38Z", "ms": 1052836238095.0531 }, "end": { "local": "2003-05-14T12:02:10+01:00", "utc": "2003-05-14T11:02:10Z", "ms": 1052910129968.8129 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-13T15:30:38+01:00", "utc": "2003-05-13T14:30:38Z", "ms": 1052836238095.0531 }, "end": { "local": "2003-05-14T12:02:10+01:00", "utc": "2003-05-14T11:02:10Z", "ms": 1052910129968.8129 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-05-13", "window": { "start": { "local": "2003-05-13T17:54:52+01:00", "utc": "2003-05-13T16:54:52Z", "ms": 1052844892470.1714 }, "end": { "local": "2003-05-13T19:33:10+01:00", "utc": "2003-05-13T18:33:10Z", "ms": 1052850789508.5851 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2003-05-14", "window": { "start": { "local": "2003-05-14T17:54:42+01:00", "utc": "2003-05-14T16:54:42Z", "ms": 1052931282340.9341 }, "end": { "local": "2003-05-14T19:33:02+01:00", "utc": "2003-05-14T18:33:02Z", "ms": 1052937182025.0798 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:31 on Tue 13 May to 12:02 on Wed 14 May.", "fact": "2003-05-13T14:30:38Z → 2003-05-14T11:02:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:55–19:33 on the 13th, 17:55–19:33 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 98 of 98 minutes on the 13th and 0 of 98 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 8654 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2003: Tuesday 13 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": "2003-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-13", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2003 falls on Tuesday 13 May. Trayodaśī runs from 15:31 on Tue 13 May to 12:02 on Wed 14 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21152, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-05-14T12:02:10+01:00", "utc": "2003-05-14T11:02:10Z", "ms": 1052910129968.8129 }, "end": { "local": "2003-05-15T08:20:46+01:00", "utc": "2003-05-15T07:20:46Z", "ms": 1052983245849.9531 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-14T12:02:10+01:00", "utc": "2003-05-14T11:02:10Z", "ms": 1052910129968.8129 }, "end": { "local": "2003-05-15T08:20:46+01:00", "utc": "2003-05-15T07:20:46Z", "ms": 1052983245849.9531 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-05-14", "window": { "start": { "local": "2003-05-14T17:54:42+01:00", "utc": "2003-05-14T16:54:42Z", "ms": 1052931282340.9341 }, "end": { "local": "2003-05-14T19:33:02+01:00", "utc": "2003-05-14T18:33:02Z", "ms": 1052937182025.0798 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2003-05-15", "window": { "start": { "local": "2003-05-15T17:54:33+01:00", "utc": "2003-05-15T16:54:33Z", "ms": 1053017672960.7888 }, "end": { "local": "2003-05-15T19:32:55+01:00", "utc": "2003-05-15T18:32:55Z", "ms": 1053023575240.5254 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:02 on Wed 14 May to 08:21 on Thu 15 May.", "fact": "2003-05-14T11:02:10Z → 2003-05-15T07:20:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:55–19:33 on the 14th, 17:55–19:33 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 14th and 0 of 98 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21152 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Luanda, 2003: Wednesday 14 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": "2003-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-14", "confidence": "determinate" } ], "quote": "In Luanda, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2003 falls on Wednesday 14 May. Caturdaśī runs from 12:02 on Wed 14 May to 08:21 on Thu 15 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11916, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-05-15T08:20:46+01:00", "utc": "2003-05-15T07:20:46Z", "ms": 1052983245849.9531 }, "end": { "local": "2003-05-16T04:35:58+01:00", "utc": "2003-05-16T03:35:58Z", "ms": 1053056157543.4548 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-15T08:20:46+01:00", "utc": "2003-05-15T07:20:46Z", "ms": 1052983245849.9531 }, "end": { "local": "2003-05-16T04:35:58+01:00", "utc": "2003-05-16T03:35:58Z", "ms": 1053056157543.4548 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-05-15", "window": { "start": { "local": "2003-05-15T11:39:21+01:00", "utc": "2003-05-15T10:39:21Z", "ms": 1052995161466.408 }, "end": { "local": "2003-05-15T12:27:21+01:00", "utc": "2003-05-15T11:27:21Z", "ms": 1052998041466.408 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-05-16", "window": { "start": { "local": "2003-05-16T11:39:22+01:00", "utc": "2003-05-16T10:39:22Z", "ms": 1053081562197.3726 }, "end": { "local": "2003-05-16T12:27:22+01:00", "utc": "2003-05-16T11:27:22Z", "ms": 1053084442197.3726 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:21 on Thu 15 May to 04:36 on Fri 16 May.", "fact": "2003-05-15T07:20:46Z → 2003-05-16T03:35:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 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": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11916 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Luanda, 2003: Thursday 15 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": "2003-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-15", "confidence": "determinate" } ], "quote": "In Luanda, Buddha Pūrṇimā 2003 falls on Thursday 15 May. Pūrṇimā runs from 08:21 on Thu 15 May to 04:36 on Fri 16 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11916, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-05-15T08:20:46+01:00", "utc": "2003-05-15T07:20:46Z", "ms": 1052983245849.9531 }, "end": { "local": "2003-05-16T04:35:58+01:00", "utc": "2003-05-16T03:35:58Z", "ms": 1053056157543.4548 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-15T08:20:46+01:00", "utc": "2003-05-15T07:20:46Z", "ms": 1052983245849.9531 }, "end": { "local": "2003-05-16T04:35:58+01:00", "utc": "2003-05-16T03:35:58Z", "ms": 1053056157543.4548 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-05-15", "window": { "start": { "local": "2003-05-15T11:39:21+01:00", "utc": "2003-05-15T10:39:21Z", "ms": 1052995161466.408 }, "end": { "local": "2003-05-15T12:27:21+01:00", "utc": "2003-05-15T11:27:21Z", "ms": 1052998041466.408 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-05-16", "window": { "start": { "local": "2003-05-16T11:39:22+01:00", "utc": "2003-05-16T10:39:22Z", "ms": 1053081562197.3726 }, "end": { "local": "2003-05-16T12:27:22+01:00", "utc": "2003-05-16T11:27:22Z", "ms": 1053084442197.3726 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:21 on Thu 15 May to 04:36 on Fri 16 May.", "fact": "2003-05-15T07:20:46Z → 2003-05-16T03:35:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 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": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11916 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Luanda, 2003: Thursday 15 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": "2003-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-15", "confidence": "determinate" } ], "quote": "In Luanda, Sampat Gaurī Vrata 2003 falls on Thursday 15 May. Pūrṇimā runs from 08:21 on Thu 15 May to 04:36 on Fri 16 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/sankashta-chaturthi?on=2003-05-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6595, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-05-18T18:37:19+01:00", "utc": "2003-05-18T17:37:19Z", "ms": 1053279439136.0698 }, "end": { "local": "2003-05-19T16:13:07+01:00", "utc": "2003-05-19T15:13:07Z", "ms": 1053357186817.0317 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-18T18:37:19+01:00", "utc": "2003-05-18T17:37:19Z", "ms": 1053279439136.0698 }, "end": { "local": "2003-05-19T16:13:07+01:00", "utc": "2003-05-19T15:13:07Z", "ms": 1053357186817.0317 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-05-18", "window": { "start": { "local": "2003-05-18T20:27:14+01:00", "utc": "2003-05-18T19:27:14Z", "ms": 1053286034005.0355 }, "end": { "local": "2003-05-18T20:27:14+01:00", "utc": "2003-05-18T19:27:14Z", "ms": 1053286034005.0355 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-05-19", "window": { "start": { "local": "2003-05-19T21:29:35+01:00", "utc": "2003-05-19T20:29:35Z", "ms": 1053376175235.5471 }, "end": { "local": "2003-05-19T21:29:35+01:00", "utc": "2003-05-19T20:29:35Z", "ms": 1053376175235.5471 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:37 on Sun 18 May to 16:13 on Mon 19 May.", "fact": "2003-05-18T17:37:19Z → 2003-05-19T15:13:07Z" }, { "step": "kaala", "text": "Moonrise is at 20:27 on the 18th and 21:30 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6595 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2003: Sunday 18 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": "2003-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-18", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2003 falls on Sunday 18 May. Caturthī runs from 18:37 on Sun 18 May to 16:13 on Mon 19 May and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/sankashta-chaturthi?on=2003-05-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/ekadashi?on=2003-05-26", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38894, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-05-25T17:02:21+01:00", "utc": "2003-05-25T16:02:21Z", "ms": 1053878540630.2458 }, "end": { "local": "2003-05-26T19:19:16+01:00", "utc": "2003-05-26T18:19:16Z", "ms": 1053973155993.2632 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-25T17:02:21+01:00", "utc": "2003-05-25T16:02:21Z", "ms": 1053878540630.2458 }, "end": { "local": "2003-05-26T19:19:16+01:00", "utc": "2003-05-26T18:19:16Z", "ms": 1053973155993.2632 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-05-25", "window": { "start": { "local": "2003-05-25T06:14:07+01:00", "utc": "2003-05-25T05:14:07Z", "ms": 1053839646855.6406 }, "end": { "local": "2003-05-25T06:14:07+01:00", "utc": "2003-05-25T05:14:07Z", "ms": 1053839646855.6406 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-05-26", "window": { "start": { "local": "2003-05-26T06:14:20+01:00", "utc": "2003-05-26T05:14:20Z", "ms": 1053926060324.2313 }, "end": { "local": "2003-05-26T06:14:20+01:00", "utc": "2003-05-26T05:14:20Z", "ms": 1053926060324.2313 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:02 on Sun 25 May to 19:19 on Mon 26 May.", "fact": "2003-05-25T16:02:21Z → 2003-05-26T18:19:16Z" }, { "step": "kaala", "text": "Sunrise is at 06:14 on the 25th and 06:14 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 38894 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Luanda, 2003: Monday 26 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": "2003-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-26", "confidence": "determinate" } ], "quote": "In Luanda, Aparā Ekādaśī 2003 falls on Monday 26 May. Ekādaśī runs from 17:02 on Sun 25 May to 19:19 on Mon 26 May and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-05-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8313, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-05-27T21:51:02+01:00", "utc": "2003-05-27T20:51:02Z", "ms": 1054068661719.0278 }, "end": { "local": "2003-05-29T00:27:28+01:00", "utc": "2003-05-28T23:27:28Z", "ms": 1054164448155.8291 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-27T21:51:02+01:00", "utc": "2003-05-27T20:51:02Z", "ms": 1054068661719.0278 }, "end": { "local": "2003-05-29T00:27:28+01:00", "utc": "2003-05-28T23:27:28Z", "ms": 1054164448155.8291 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-05-27", "window": { "start": { "local": "2003-05-27T17:53:40+01:00", "utc": "2003-05-27T16:53:40Z", "ms": 1054054419864.4138 }, "end": { "local": "2003-05-27T19:32:29+01:00", "utc": "2003-05-27T18:32:29Z", "ms": 1054060348955.3683 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2003-05-28", "window": { "start": { "local": "2003-05-28T17:53:40+01:00", "utc": "2003-05-28T16:53:40Z", "ms": 1054140820311.2773 }, "end": { "local": "2003-05-28T19:32:31+01:00", "utc": "2003-05-28T18:32:31Z", "ms": 1054146751238.1364 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:51 on Tue 27 May to 00:27 on Thu 29 May.", "fact": "2003-05-27T20:51:02Z → 2003-05-28T23:27:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:32 on the 27th, 17:54–19:33 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 27th and 99 of 99 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 8313 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2003: Wednesday 28 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": "2003-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-28", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2003 falls on Wednesday 28 May. Trayodaśī runs from 21:51 on Tue 27 May to 00:27 on Thu 29 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-05-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/shivaratri?on=2003-05-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-05-29", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 53, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-05-29T00:27:28+01:00", "utc": "2003-05-28T23:27:28Z", "ms": 1054164448155.8291 }, "end": { "local": "2003-05-30T02:59:34+01:00", "utc": "2003-05-30T01:59:34Z", "ms": 1054259974208.9756 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2003-05-29T00:27:28+01:00", "utc": "2003-05-28T23:27:28Z", "ms": 1054164448155.8291 }, "end": { "local": "2003-05-30T02:59:34+01:00", "utc": "2003-05-30T01:59:34Z", "ms": 1054259974208.9756 } }, "kaala": "nishita", "days": [ { "local_date": "2003-05-28", "window": { "start": { "local": "2003-05-28T23:40:21+01:00", "utc": "2003-05-28T22:40:21Z", "ms": 1054161621286.9984 }, "end": { "local": "2003-05-29T00:28:21+01:00", "utc": "2003-05-28T23:28:21Z", "ms": 1054164501286.9984 } }, "covered_min": 1, "window_min": 48, "qualifies": true }, { "local_date": "2003-05-29", "window": { "start": { "local": "2003-05-29T23:40:29+01:00", "utc": "2003-05-29T22:40:29Z", "ms": 1054248029078.6792 }, "end": { "local": "2003-05-30T00:28:29+01:00", "utc": "2003-05-29T23:28:29Z", "ms": 1054250909078.6792 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:27 on Thu 29 May to 03:00 on Fri 30 May.", "fact": "2003-05-28T23:27:28Z → 2003-05-30T01:59:34Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 28th, 23:40–00:28 on the 29th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 1 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 53 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2003: Thursday 29 May.", "fact": "confidence: boundary (margin, 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": "2003-05-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-05-29", "confidence": "boundary" } ], "quote": "In Luanda, Śivarātri 2003 falls on Thursday 29 May. Caturdaśī runs from 00:27 on Thu 29 May to 03:00 on Fri 30 May and covers all of niśītha that night. It also reaches the previous night for 1 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 53 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2003/shivaratri?on=2003-05-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5025, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2003-06-02T09:02:54+01:00", "utc": "2003-06-02T08:02:54Z", "ms": 1054540973752.0182 }, "end": { "local": "2003-06-03T10:17:22+01:00", "utc": "2003-06-03T09:17:22Z", "ms": 1054631842007.7699 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2003-06-02T09:02:54+01:00", "utc": "2003-06-02T08:02:54Z", "ms": 1054540973752.0182 }, "end": { "local": "2003-06-03T10:17:22+01:00", "utc": "2003-06-03T09:17:22Z", "ms": 1054631842007.7699 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-06-02", "window": { "start": { "local": "2003-06-02T11:40:57+01:00", "utc": "2003-06-02T10:40:57Z", "ms": 1054550456963.9297 }, "end": { "local": "2003-06-02T12:28:57+01:00", "utc": "2003-06-02T11:28:57Z", "ms": 1054553336963.9297 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-06-03", "window": { "start": { "local": "2003-06-03T11:41:07+01:00", "utc": "2003-06-03T10:41:07Z", "ms": 1054636866729.9299 }, "end": { "local": "2003-06-03T12:29:07+01:00", "utc": "2003-06-03T11:29:07Z", "ms": 1054639746729.9299 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:03 on Mon 2 Jun to 10:17 on Tue 3 Jun.", "fact": "2003-06-02T08:02:54Z → 2003-06-03T09:17:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 2nd, 11:41–12:29 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5025 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Luanda, 2003: Monday 2 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-06-02", "confidence": "determinate" } ], "quote": "In Luanda, Rambhā Tṛtīyā 2003 falls on Monday 2 June. Tṛtīyā runs from 09:03 on Mon 2 Jun to 10:17 on Tue 3 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/vinayaka-chaturthi?on=2003-06-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2298, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-06-03T10:17:22+01:00", "utc": "2003-06-03T09:17:22Z", "ms": 1054631842007.7699 }, "end": { "local": "2003-06-04T11:02:58+01:00", "utc": "2003-06-04T10:02:58Z", "ms": 1054720978371.6594 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2003-06-03T10:17:22+01:00", "utc": "2003-06-03T09:17:22Z", "ms": 1054631842007.7699 }, "end": { "local": "2003-06-04T11:02:58+01:00", "utc": "2003-06-04T10:02:58Z", "ms": 1054720978371.6594 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-06-03", "window": { "start": { "local": "2003-06-03T11:41:07+01:00", "utc": "2003-06-03T10:41:07Z", "ms": 1054636866729.9299 }, "end": { "local": "2003-06-03T12:29:07+01:00", "utc": "2003-06-03T11:29:07Z", "ms": 1054639746729.9299 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-06-04", "window": { "start": { "local": "2003-06-04T11:41:17+01:00", "utc": "2003-06-04T10:41:17Z", "ms": 1054723276851.6346 }, "end": { "local": "2003-06-04T12:29:17+01:00", "utc": "2003-06-04T11:29:17Z", "ms": 1054726156851.6346 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:17 on Tue 3 Jun to 11:03 on Wed 4 Jun.", "fact": "2003-06-03T09:17:22Z → 2003-06-04T10:02:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 3rd, 11:41–12:29 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2298 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2003: Tuesday 3 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": "2003-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-06-03", "confidence": "boundary" } ], "quote": "In Luanda, Vināyaka Caturthī 2003 falls on Tuesday 3 June. Caturthī runs from 10:17 on Tue 3 Jun to 11:03 on Wed 4 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/vinayaka-chaturthi?on=2003-06-03", "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/2003/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1447, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2003-06-05T11:17:20+01:00", "utc": "2003-06-05T10:17:20Z", "ms": 1054808240456.2992 }, "end": { "local": "2003-06-06T10:58:46+01:00", "utc": "2003-06-06T09:58:46Z", "ms": 1054893526183.7266 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2003-06-05T11:17:20+01:00", "utc": "2003-06-05T10:17:20Z", "ms": 1054808240456.2992 }, "end": { "local": "2003-06-06T10:58:46+01:00", "utc": "2003-06-06T09:58:46Z", "ms": 1054893526183.7266 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-06-05", "window": { "start": { "local": "2003-06-05T11:41:27+01:00", "utc": "2003-06-05T10:41:27Z", "ms": 1054809687307.6809 }, "end": { "local": "2003-06-05T12:29:27+01:00", "utc": "2003-06-05T11:29:27Z", "ms": 1054812567307.6809 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-06-06", "window": { "start": { "local": "2003-06-06T11:41:38+01:00", "utc": "2003-06-06T10:41:38Z", "ms": 1054896098076.5347 }, "end": { "local": "2003-06-06T12:29:38+01:00", "utc": "2003-06-06T11:29:38Z", "ms": 1054898978076.5347 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:17 on Thu 5 Jun to 10:59 on Fri 6 Jun.", "fact": "2003-06-05T10:17:20Z → 2003-06-06T09:58:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 5th, 11:42–12:30 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1447 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Luanda, 2003: Thursday 5 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-06-06", "confidence": "boundary" } ], "quote": "In Luanda, Araṇya Gaurī Vrata 2003 falls on Thursday 5 June. Ṣaṣṭhī runs from 11:17 on Thu 5 Jun to 10:59 on Fri 6 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1447, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2003-06-05T11:17:20+01:00", "utc": "2003-06-05T10:17:20Z", "ms": 1054808240456.2992 }, "end": { "local": "2003-06-06T10:58:46+01:00", "utc": "2003-06-06T09:58:46Z", "ms": 1054893526183.7266 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2003-06-05T11:17:20+01:00", "utc": "2003-06-05T10:17:20Z", "ms": 1054808240456.2992 }, "end": { "local": "2003-06-06T10:58:46+01:00", "utc": "2003-06-06T09:58:46Z", "ms": 1054893526183.7266 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-06-05", "window": { "start": { "local": "2003-06-05T11:41:27+01:00", "utc": "2003-06-05T10:41:27Z", "ms": 1054809687307.6809 }, "end": { "local": "2003-06-05T12:29:27+01:00", "utc": "2003-06-05T11:29:27Z", "ms": 1054812567307.6809 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-06-06", "window": { "start": { "local": "2003-06-06T11:41:38+01:00", "utc": "2003-06-06T10:41:38Z", "ms": 1054896098076.5347 }, "end": { "local": "2003-06-06T12:29:38+01:00", "utc": "2003-06-06T11:29:38Z", "ms": 1054898978076.5347 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:17 on Thu 5 Jun to 10:59 on Fri 6 Jun.", "fact": "2003-06-05T10:17:20Z → 2003-06-06T09:58:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 5th, 11:42–12:30 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1447 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Luanda, 2003: Thursday 5 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-06-05", "confidence": "boundary" } ], "quote": "In Luanda, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2003 falls on Thursday 5 June. Ṣaṣṭhī runs from 11:17 on Thu 5 Jun to 10:59 on Fri 6 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-06-10", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7268, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-06-10T04:16:55+01:00", "utc": "2003-06-10T03:16:55Z", "ms": 1055215014944.445 }, "end": { "local": "2003-06-11T01:26:33+01:00", "utc": "2003-06-11T00:26:33Z", "ms": 1055291192540.7268 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2003-06-10T04:16:55+01:00", "utc": "2003-06-10T03:16:55Z", "ms": 1055215014944.445 }, "end": { "local": "2003-06-11T01:26:33+01:00", "utc": "2003-06-11T00:26:33Z", "ms": 1055291192540.7268 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-06-10", "window": { "start": { "local": "2003-06-10T06:18:03+01:00", "utc": "2003-06-10T05:18:03Z", "ms": 1055222282639.9608 }, "end": { "local": "2003-06-10T06:18:03+01:00", "utc": "2003-06-10T05:18:03Z", "ms": 1055222282639.9608 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-06-11", "window": { "start": { "local": "2003-06-11T06:18:18+01:00", "utc": "2003-06-11T05:18:18Z", "ms": 1055308697769.3585 }, "end": { "local": "2003-06-11T06:18:18+01:00", "utc": "2003-06-11T05:18:18Z", "ms": 1055308697769.3585 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:17 on Tue 10 Jun to 01:27 on Wed 11 Jun.", "fact": "2003-06-10T03:16:55Z → 2003-06-11T00:26:33Z" }, { "step": "kaala", "text": "Sunrise is at 06:18 on the 10th and 06:18 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not 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 7268 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Luanda, 2003: Tuesday 10 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": "2003-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-06-10", "confidence": "determinate" } ], "quote": "In Luanda, Nirjalā Ekādaśī 2003 falls on Tuesday 10 June. Ekādaśī runs from 04:17 on Tue 10 Jun to 01:27 on Wed 11 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-06-10", "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/2003/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35235, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2003-06-11T01:26:33+01:00", "utc": "2003-06-11T00:26:33Z", "ms": 1055291192540.7268 }, "end": { "local": "2003-06-11T22:17:51+01:00", "utc": "2003-06-11T21:17:51Z", "ms": 1055366270916.0337 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2003-06-11T01:26:33+01:00", "utc": "2003-06-11T00:26:33Z", "ms": 1055291192540.7268 }, "end": { "local": "2003-06-11T22:17:51+01:00", "utc": "2003-06-11T21:17:51Z", "ms": 1055366270916.0337 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-06-10", "window": { "start": { "local": "2003-06-10T11:42:24+01:00", "utc": "2003-06-10T10:42:24Z", "ms": 1055241743856.0752 }, "end": { "local": "2003-06-10T12:30:24+01:00", "utc": "2003-06-10T11:30:24Z", "ms": 1055244623856.0752 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-06-11", "window": { "start": { "local": "2003-06-11T11:42:36+01:00", "utc": "2003-06-11T10:42:36Z", "ms": 1055328155875.8777 }, "end": { "local": "2003-06-11T12:30:36+01:00", "utc": "2003-06-11T11:30:36Z", "ms": 1055331035875.8777 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:27 on Wed 11 Jun to 22:18 on Wed 11 Jun.", "fact": "2003-06-11T00:26:33Z → 2003-06-11T21:17:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 10th, 11:43–12:31 on the 11th.", "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 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35235 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Luanda, 2003: Wednesday 11 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-06-11", "confidence": "determinate" } ], "quote": "In Luanda, Śrī Rāma Dvādaśī 2003 falls on Wednesday 11 June. Dvādaśī runs from 01:27 on Wed 11 Jun to 22:18 on Wed 11 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/pradosha-vrata?on=2003-06-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2185, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-06-11T22:17:51+01:00", "utc": "2003-06-11T21:17:51Z", "ms": 1055366270916.0337 }, "end": { "local": "2003-06-12T18:57:48+01:00", "utc": "2003-06-12T17:57:48Z", "ms": 1055440668140.2217 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2003-06-11T22:17:51+01:00", "utc": "2003-06-11T21:17:51Z", "ms": 1055366270916.0337 }, "end": { "local": "2003-06-12T18:57:48+01:00", "utc": "2003-06-12T17:57:48Z", "ms": 1055440668140.2217 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-06-11", "window": { "start": { "local": "2003-06-11T17:54:54+01:00", "utc": "2003-06-11T16:54:54Z", "ms": 1055350493982.3969 }, "end": { "local": "2003-06-11T19:34:03+01:00", "utc": "2003-06-11T18:34:03Z", "ms": 1055356443159.3302 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2003-06-12", "window": { "start": { "local": "2003-06-12T17:55:03+01:00", "utc": "2003-06-12T16:55:03Z", "ms": 1055436903366.5769 }, "end": { "local": "2003-06-12T19:34:13+01:00", "utc": "2003-06-12T18:34:13Z", "ms": 1055442853283.1676 } }, "covered_min": 63, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:18 on Wed 11 Jun to 18:58 on Thu 12 Jun.", "fact": "2003-06-11T21:17:51Z → 2003-06-12T17:57:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:55–19:34 on the 11th, 17:55–19:34 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 11th and 63 of 99 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 2185 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2003: Thursday 12 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": "2003-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-06-12", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2003 falls on Thursday 12 June. Trayodaśī runs from 22:18 on Wed 11 Jun to 18:58 on Thu 12 Jun and covers 63 of 99 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-06-12", "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/2003/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8455, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-06-13T15:34:18+01:00", "utc": "2003-06-13T14:34:18Z", "ms": 1055514857827.6306 }, "end": { "local": "2003-06-14T12:15:55+01:00", "utc": "2003-06-14T11:15:55Z", "ms": 1055589355167.9209 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2003-06-13T15:34:18+01:00", "utc": "2003-06-13T14:34:18Z", "ms": 1055514857827.6306 }, "end": { "local": "2003-06-14T12:15:55+01:00", "utc": "2003-06-14T11:15:55Z", "ms": 1055589355167.9209 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-06-13", "window": { "start": { "local": "2003-06-13T17:55:13+01:00", "utc": "2003-06-13T16:55:13Z", "ms": 1055523313208.7635 }, "end": { "local": "2003-06-13T19:34:24+01:00", "utc": "2003-06-13T18:34:24Z", "ms": 1055529263787.0237 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2003-06-14", "window": { "start": { "local": "2003-06-14T17:55:23+01:00", "utc": "2003-06-14T16:55:23Z", "ms": 1055609723493.0895 }, "end": { "local": "2003-06-14T19:34:35+01:00", "utc": "2003-06-14T18:34:35Z", "ms": 1055615674654.6984 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:34 on Fri 13 Jun to 12:16 on Sat 14 Jun.", "fact": "2003-06-13T14:34:18Z → 2003-06-14T11:15:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:55–19:34 on the 13th, 17:55–19:35 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 99 of 99 minutes on the 13th and 0 of 99 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8455 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Luanda, 2003: Friday 13 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": "2003-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-06-13", "confidence": "determinate" } ], "quote": "In Luanda, Vaṭa Sāvitrī Vrata 2003 falls on Friday 13 June. Pūrṇimā runs from 15:34 on Fri 13 Jun to 12:16 on Sat 14 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/sankashta-chaturthi?on=2003-06-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20364, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-06-17T04:21:32+01:00", "utc": "2003-06-17T03:21:32Z", "ms": 1055820091545.3489 }, "end": { "local": "2003-06-18T02:51:56+01:00", "utc": "2003-06-18T01:51:56Z", "ms": 1055901116314.2153 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-06-17T04:21:32+01:00", "utc": "2003-06-17T03:21:32Z", "ms": 1055820091545.3489 }, "end": { "local": "2003-06-18T02:51:56+01:00", "utc": "2003-06-18T01:51:56Z", "ms": 1055901116314.2153 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-06-16", "window": { "start": { "local": "2003-06-16T20:12:56+01:00", "utc": "2003-06-16T19:12:56Z", "ms": 1055790776058.8156 }, "end": { "local": "2003-06-16T20:12:56+01:00", "utc": "2003-06-16T19:12:56Z", "ms": 1055790776058.8156 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-06-17", "window": { "start": { "local": "2003-06-17T21:12:33+01:00", "utc": "2003-06-17T20:12:33Z", "ms": 1055880752524.174 }, "end": { "local": "2003-06-17T21:12:33+01:00", "utc": "2003-06-17T20:12:33Z", "ms": 1055880752524.174 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:22 on Tue 17 Jun to 02:52 on Wed 18 Jun.", "fact": "2003-06-17T03:21:32Z → 2003-06-18T01:51:56Z" }, { "step": "kaala", "text": "Moonrise is at 20:13 on the 16th and 21:13 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 16th and is on the 17th.", "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 20364 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2003: Tuesday 17 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": "2003-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-06-17", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2003 falls on Tuesday 17 June. Caturthī runs from 04:22 on Tue 17 Jun to 02:52 on Wed 18 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/sankashta-chaturthi?on=2003-06-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/ekadashi?on=2003-06-25", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10189, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-06-24T09:11:08+01:00", "utc": "2003-06-24T08:11:08Z", "ms": 1056442268041.5967 }, "end": { "local": "2003-06-25T11:46:05+01:00", "utc": "2003-06-25T10:46:05Z", "ms": 1056537964533.6123 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-06-24T09:11:08+01:00", "utc": "2003-06-24T08:11:08Z", "ms": 1056442268041.5967 }, "end": { "local": "2003-06-25T11:46:05+01:00", "utc": "2003-06-25T10:46:05Z", "ms": 1056537964533.6123 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-06-24", "window": { "start": { "local": "2003-06-24T06:21:19+01:00", "utc": "2003-06-24T05:21:19Z", "ms": 1056432079249.96 }, "end": { "local": "2003-06-24T06:21:19+01:00", "utc": "2003-06-24T05:21:19Z", "ms": 1056432079249.96 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-06-25", "window": { "start": { "local": "2003-06-25T06:21:31+01:00", "utc": "2003-06-25T05:21:31Z", "ms": 1056518491297.2399 }, "end": { "local": "2003-06-25T06:21:31+01:00", "utc": "2003-06-25T05:21:31Z", "ms": 1056518491297.2399 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:11 on Tue 24 Jun to 11:46 on Wed 25 Jun.", "fact": "2003-06-24T08:11:08Z → 2003-06-25T10:46:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 24th and 06:22 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10189 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Luanda, 2003: Wednesday 25 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": "2003-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-06-25", "confidence": "determinate" } ], "quote": "In Luanda, Yoginī Ekādaśī 2003 falls on Wednesday 25 June. Ekādaśī runs from 09:11 on Tue 24 Jun to 11:46 on Wed 25 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-06-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-06-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5389, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-06-26T14:15:21+01:00", "utc": "2003-06-26T13:15:21Z", "ms": 1056633321250.486 }, "end": { "local": "2003-06-27T16:28:20+01:00", "utc": "2003-06-27T15:28:20Z", "ms": 1056727699816.9 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-06-26T14:15:21+01:00", "utc": "2003-06-26T13:15:21Z", "ms": 1056633321250.486 }, "end": { "local": "2003-06-27T16:28:20+01:00", "utc": "2003-06-27T15:28:20Z", "ms": 1056727699816.9 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-06-26", "window": { "start": { "local": "2003-06-26T17:57:55+01:00", "utc": "2003-06-26T16:57:55Z", "ms": 1056646674557.4467 }, "end": { "local": "2003-06-26T19:37:07+01:00", "utc": "2003-06-26T18:37:07Z", "ms": 1056652626508.8885 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2003-06-27", "window": { "start": { "local": "2003-06-27T17:58:09+01:00", "utc": "2003-06-27T16:58:09Z", "ms": 1056733088764.8269 }, "end": { "local": "2003-06-27T19:37:20+01:00", "utc": "2003-06-27T18:37:20Z", "ms": 1056739040261.7982 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:15 on Thu 26 Jun to 16:28 on Fri 27 Jun.", "fact": "2003-06-26T13:15:21Z → 2003-06-27T15:28:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:37 on the 26th, 17:58–19:37 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 26th and 0 of 99 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5389 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2003: Thursday 26 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": "2003-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-06-26", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2003 falls on Thursday 26 June. Trayodaśī runs from 14:15 on Thu 26 Jun to 16:28 on Fri 27 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-06-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/shivaratri?on=2003-06-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19728, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-06-27T16:28:20+01:00", "utc": "2003-06-27T15:28:20Z", "ms": 1056727699816.9 }, "end": { "local": "2003-06-28T18:17:31+01:00", "utc": "2003-06-28T17:17:31Z", "ms": 1056820651306.4507 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-06-27T16:28:20+01:00", "utc": "2003-06-27T15:28:20Z", "ms": 1056727699816.9 }, "end": { "local": "2003-06-28T18:17:31+01:00", "utc": "2003-06-28T17:17:31Z", "ms": 1056820651306.4507 } }, "kaala": "nishita", "days": [ { "local_date": "2003-06-27", "window": { "start": { "local": "2003-06-27T23:46:07+01:00", "utc": "2003-06-27T22:46:07Z", "ms": 1056753966878.4692 }, "end": { "local": "2003-06-28T00:34:07+01:00", "utc": "2003-06-27T23:34:07Z", "ms": 1056756846878.4692 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-06-28", "window": { "start": { "local": "2003-06-28T23:46:19+01:00", "utc": "2003-06-28T22:46:19Z", "ms": 1056840379213.125 }, "end": { "local": "2003-06-29T00:34:19+01:00", "utc": "2003-06-28T23:34:19Z", "ms": 1056843259213.125 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:28 on Fri 27 Jun to 18:18 on Sat 28 Jun.", "fact": "2003-06-27T15:28:20Z → 2003-06-28T17:17:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:46–00:34 on the 27th, 23:46–00:34 on the 28th.", "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 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19728 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2003: Friday 27 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": "2003-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-06-27", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2003 falls on Friday 27 June. Caturdaśī runs from 16:28 on Fri 27 Jun to 18:18 on Sat 28 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2003/shivaratri?on=2003-06-27", "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/2003/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28538, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2003-06-30T20:30:17+01:00", "utc": "2003-06-30T19:30:17Z", "ms": 1057001416692.9391 }, "end": { "local": "2003-07-01T20:52:44+01:00", "utc": "2003-07-01T19:52:44Z", "ms": 1057089163797.9291 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-06-30T20:30:17+01:00", "utc": "2003-06-30T19:30:17Z", "ms": 1057001416692.9391 }, "end": { "local": "2003-07-01T20:52:44+01:00", "utc": "2003-07-01T19:52:44Z", "ms": 1057089163797.9291 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-06-30", "window": { "start": { "local": "2003-06-30T11:46:39+01:00", "utc": "2003-06-30T10:46:39Z", "ms": 1056969998608.7258 }, "end": { "local": "2003-06-30T12:34:39+01:00", "utc": "2003-06-30T11:34:39Z", "ms": 1056972878608.7258 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-07-01", "window": { "start": { "local": "2003-07-01T11:46:51+01:00", "utc": "2003-07-01T10:46:51Z", "ms": 1057056410550.0618 }, "end": { "local": "2003-07-01T12:34:51+01:00", "utc": "2003-07-01T11:34:51Z", "ms": 1057059290550.0618 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 20:30 on Mon 30 Jun to 20:53 on Tue 1 Jul.", "fact": "2003-06-30T19:30:17Z → 2003-07-01T19:52:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 30th, 11:47–12:35 on the 1st.", "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 30th and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28538 s" }, { "step": "ruling", "text": "Rathayātrā, Luanda, 2003: Tuesday 1 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-01", "confidence": "determinate" } ], "quote": "In Luanda, Rathayātrā 2003 falls on Tuesday 1 July. Dvitīyā runs from 20:30 on Mon 30 Jun to 20:53 on Tue 1 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/vinayaka-chaturthi?on=2003-07-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27690, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-07-02T20:47:34+01:00", "utc": "2003-07-02T19:47:34Z", "ms": 1057175253595.9972 }, "end": { "local": "2003-07-03T20:16:43+01:00", "utc": "2003-07-03T19:16:43Z", "ms": 1057259803448.951 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-07-02T20:47:34+01:00", "utc": "2003-07-02T19:47:34Z", "ms": 1057175253595.9972 }, "end": { "local": "2003-07-03T20:16:43+01:00", "utc": "2003-07-03T19:16:43Z", "ms": 1057259803448.951 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-07-02", "window": { "start": { "local": "2003-07-02T11:47:02+01:00", "utc": "2003-07-02T10:47:02Z", "ms": 1057142822230.017 }, "end": { "local": "2003-07-02T12:35:02+01:00", "utc": "2003-07-02T11:35:02Z", "ms": 1057145702230.017 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-07-03", "window": { "start": { "local": "2003-07-03T11:47:14+01:00", "utc": "2003-07-03T10:47:14Z", "ms": 1057229233623.0989 }, "end": { "local": "2003-07-03T12:35:14+01:00", "utc": "2003-07-03T11:35:14Z", "ms": 1057232113623.0989 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:48 on Wed 2 Jul to 20:17 on Thu 3 Jul.", "fact": "2003-07-02T19:47:34Z → 2003-07-03T19:16:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 2nd, 11:47–12:35 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27690 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2003: Thursday 3 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": "2003-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-03", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2003 falls on Thursday 3 July. Caturthī runs from 20:48 on Wed 2 Jul to 20:17 on Thu 3 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/vinayaka-chaturthi?on=2003-07-03", "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/2003/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24404, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2003-07-03T20:16:43+01:00", "utc": "2003-07-03T19:16:43Z", "ms": 1057259803448.951 }, "end": { "local": "2003-07-04T19:22:09+01:00", "utc": "2003-07-04T18:22:09Z", "ms": 1057342928764.9152 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-07-03T20:16:43+01:00", "utc": "2003-07-03T19:16:43Z", "ms": 1057259803448.951 }, "end": { "local": "2003-07-04T19:22:09+01:00", "utc": "2003-07-04T18:22:09Z", "ms": 1057342928764.9152 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-07-03", "window": { "start": { "local": "2003-07-03T11:47:14+01:00", "utc": "2003-07-03T10:47:14Z", "ms": 1057229233623.0989 }, "end": { "local": "2003-07-03T12:35:14+01:00", "utc": "2003-07-03T11:35:14Z", "ms": 1057232113623.0989 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-07-04", "window": { "start": { "local": "2003-07-04T11:47:25+01:00", "utc": "2003-07-04T10:47:25Z", "ms": 1057315644704.5244 }, "end": { "local": "2003-07-04T12:35:25+01:00", "utc": "2003-07-04T11:35:25Z", "ms": 1057318524704.5244 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:17 on Thu 3 Jul to 19:22 on Fri 4 Jul.", "fact": "2003-07-03T19:16:43Z → 2003-07-04T18:22:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 3rd, 11:47–12:35 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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 24404 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Luanda, 2003: Friday 4 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-04", "confidence": "determinate" } ], "quote": "In Luanda, Skanda Pañcamī 2003 falls on Friday 4 July. Pañcamī runs from 20:17 on Thu 3 Jul to 19:22 on Fri 4 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13949, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2003-07-05T18:05:30+01:00", "utc": "2003-07-05T17:05:30Z", "ms": 1057424730220.2523 }, "end": { "local": "2003-07-06T16:28:15+01:00", "utc": "2003-07-06T15:28:15Z", "ms": 1057505295208.8137 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-07-05T18:05:30+01:00", "utc": "2003-07-05T17:05:30Z", "ms": 1057424730220.2523 }, "end": { "local": "2003-07-06T16:28:15+01:00", "utc": "2003-07-06T15:28:15Z", "ms": 1057505295208.8137 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-07-05", "window": { "start": { "local": "2003-07-05T11:47:35+01:00", "utc": "2003-07-05T10:47:35Z", "ms": 1057402055450.5881 }, "end": { "local": "2003-07-05T12:35:35+01:00", "utc": "2003-07-05T11:35:35Z", "ms": 1057404935450.5881 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-07-06", "window": { "start": { "local": "2003-07-06T11:47:46+01:00", "utc": "2003-07-06T10:47:46Z", "ms": 1057488465838.9255 }, "end": { "local": "2003-07-06T12:35:46+01:00", "utc": "2003-07-06T11:35:46Z", "ms": 1057491345838.9255 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:06 on Sat 5 Jul to 16:28 on Sun 6 Jul.", "fact": "2003-07-05T17:05:30Z → 2003-07-06T15:28:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 5th, 11:48–12:36 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 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13949 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Luanda, 2003: Sunday 6 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-06", "confidence": "determinate" } ], "quote": "In Luanda, Vivasvat Saptamī 2003 falls on Sunday 6 July. Saptamī runs from 18:06 on Sat 5 Jul to 16:28 on Sun 6 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-07-10", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2729, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-07-09T09:49:18+01:00", "utc": "2003-07-09T08:49:18Z", "ms": 1057740557748.3221 }, "end": { "local": "2003-07-10T07:09:01+01:00", "utc": "2003-07-10T06:09:01Z", "ms": 1057817340676.3679 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-07-09T09:49:18+01:00", "utc": "2003-07-09T08:49:18Z", "ms": 1057740557748.3221 }, "end": { "local": "2003-07-10T07:09:01+01:00", "utc": "2003-07-10T06:09:01Z", "ms": 1057817340676.3679 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-07-09", "window": { "start": { "local": "2003-07-09T06:23:28+01:00", "utc": "2003-07-09T05:23:28Z", "ms": 1057728207812.192 }, "end": { "local": "2003-07-09T06:23:28+01:00", "utc": "2003-07-09T05:23:28Z", "ms": 1057728207812.192 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-07-10", "window": { "start": { "local": "2003-07-10T06:23:32+01:00", "utc": "2003-07-10T05:23:32Z", "ms": 1057814611533.0596 }, "end": { "local": "2003-07-10T06:23:32+01:00", "utc": "2003-07-10T05:23:32Z", "ms": 1057814611533.0596 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:49 on Wed 9 Jul to 07:09 on Thu 10 Jul.", "fact": "2003-07-09T08:49:18Z → 2003-07-10T06:09:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 9th and 06:24 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 2729 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Luanda, 2003: Thursday 10 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": "2003-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-10", "confidence": "determinate" } ], "quote": "In Luanda, Hariśayanī Ekādaśī 2003 falls on Thursday 10 July. Ekādaśī runs from 09:49 on Wed 9 Jul to 07:09 on Thu 10 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-07-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-07-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21174, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-07-11T04:21:46+01:00", "utc": "2003-07-11T03:21:46Z", "ms": 1057893705746.9159 }, "end": { "local": "2003-07-12T01:33:20+01:00", "utc": "2003-07-12T00:33:20Z", "ms": 1057969999779.6691 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-07-11T04:21:46+01:00", "utc": "2003-07-11T03:21:46Z", "ms": 1057893705746.9159 }, "end": { "local": "2003-07-12T01:33:20+01:00", "utc": "2003-07-12T00:33:20Z", "ms": 1057969999779.6691 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-07-10", "window": { "start": { "local": "2003-07-10T18:01:15+01:00", "utc": "2003-07-10T17:01:15Z", "ms": 1057856475319.3508 }, "end": { "local": "2003-07-10T19:40:14+01:00", "utc": "2003-07-10T18:40:14Z", "ms": 1057862413883.9058 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2003-07-11", "window": { "start": { "local": "2003-07-11T18:01:29+01:00", "utc": "2003-07-11T17:01:29Z", "ms": 1057942888947.2029 }, "end": { "local": "2003-07-11T19:40:26+01:00", "utc": "2003-07-11T18:40:26Z", "ms": 1057948826002.8912 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:22 on Fri 11 Jul to 01:33 on Sat 12 Jul.", "fact": "2003-07-11T03:21:46Z → 2003-07-12T00:33:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:40 on the 10th, 18:01–19:40 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 99 minutes on the 10th and 99 of 99 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 21174 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2003: Friday 11 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": "2003-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-11", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2003 falls on Friday 11 July. Trayodaśī runs from 04:22 on Fri 11 Jul to 01:33 on Sat 12 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-07-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27182, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-07-12T22:50:37+01:00", "utc": "2003-07-12T21:50:37Z", "ms": 1058046636676.2827 }, "end": { "local": "2003-07-13T20:21:24+01:00", "utc": "2003-07-13T19:21:24Z", "ms": 1058124083604.2949 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-07-12T22:50:37+01:00", "utc": "2003-07-12T21:50:37Z", "ms": 1058046636676.2827 }, "end": { "local": "2003-07-13T20:21:24+01:00", "utc": "2003-07-13T19:21:24Z", "ms": 1058124083604.2949 } }, "kaala": "udaya-3", "days": [ { "local_date": "2003-07-13", "window": { "start": { "local": "2003-07-13T06:23:38+01:00", "utc": "2003-07-13T05:23:38Z", "ms": 1058073818459.7822 }, "end": { "local": "2003-07-13T08:43:18+01:00", "utc": "2003-07-13T07:43:18Z", "ms": 1058082197884.6333 } }, "covered_min": 140, "window_min": 140, "qualifies": true }, { "local_date": "2003-07-14", "window": { "start": { "local": "2003-07-14T06:23:39+01:00", "utc": "2003-07-14T05:23:39Z", "ms": 1058160219331.8905 }, "end": { "local": "2003-07-14T08:43:21+01:00", "utc": "2003-07-14T07:43:21Z", "ms": 1058168601178.6979 } }, "covered_min": 0, "window_min": 140, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:51 on Sat 12 Jul to 20:21 on Sun 13 Jul.", "fact": "2003-07-12T21:50:37Z → 2003-07-13T19:21:24Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:24–08:43 on the 13th, 06:24–08:43 on the 14th.", "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 140 of 140 minutes on the 13th and 0 of 140 on the 14th.", "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 27182 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Luanda, 2003: Sunday 13 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": "2003-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-13", "confidence": "determinate" } ], "quote": "In Luanda, Vyāsa Pūjā 2003 falls on Sunday 13 July. Pūrṇimā runs from 22:51 on Sat 12 Jul to 20:21 on Sun 13 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27877, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-07-12T22:50:37+01:00", "utc": "2003-07-12T21:50:37Z", "ms": 1058046636676.2827 }, "end": { "local": "2003-07-13T20:21:24+01:00", "utc": "2003-07-13T19:21:24Z", "ms": 1058124083604.2949 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-07-12T22:50:37+01:00", "utc": "2003-07-12T21:50:37Z", "ms": 1058046636676.2827 }, "end": { "local": "2003-07-13T20:21:24+01:00", "utc": "2003-07-13T19:21:24Z", "ms": 1058124083604.2949 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-07-12", "window": { "start": { "local": "2003-07-12T11:48:40+01:00", "utc": "2003-07-12T10:48:40Z", "ms": 1058006919619.1433 }, "end": { "local": "2003-07-12T12:36:40+01:00", "utc": "2003-07-12T11:36:40Z", "ms": 1058009799619.1433 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-07-13", "window": { "start": { "local": "2003-07-13T11:48:47+01:00", "utc": "2003-07-13T10:48:47Z", "ms": 1058093327021.9098 }, "end": { "local": "2003-07-13T12:36:47+01:00", "utc": "2003-07-13T11:36:47Z", "ms": 1058096207021.9098 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:51 on Sat 12 Jul to 20:21 on Sun 13 Jul.", "fact": "2003-07-12T21:50:37Z → 2003-07-13T19:21:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 12th, 11:49–12:37 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27877 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Luanda, 2003: Sunday 13 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": "2003-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-13", "confidence": "determinate" } ], "quote": "In Luanda, Guru Pūrṇimā 2003 falls on Sunday 13 July. Pūrṇimā runs from 22:51 on Sat 12 Jul to 20:21 on Sun 13 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8368, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-07-12T22:50:37+01:00", "utc": "2003-07-12T21:50:37Z", "ms": 1058046636676.2827 }, "end": { "local": "2003-07-13T20:21:24+01:00", "utc": "2003-07-13T19:21:24Z", "ms": 1058124083604.2949 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-07-12T22:50:37+01:00", "utc": "2003-07-12T21:50:37Z", "ms": 1058046636676.2827 }, "end": { "local": "2003-07-13T20:21:24+01:00", "utc": "2003-07-13T19:21:24Z", "ms": 1058124083604.2949 } }, "kaala": "sayahna", "days": [ { "local_date": "2003-07-12", "window": { "start": { "local": "2003-07-12T15:42:05+01:00", "utc": "2003-07-12T14:42:05Z", "ms": 1058020925271.7098 }, "end": { "local": "2003-07-12T18:01:42+01:00", "utc": "2003-07-12T17:01:42Z", "ms": 1058029302373.4209 } }, "covered_min": 0, "window_min": 140, "qualifies": false }, { "local_date": "2003-07-13", "window": { "start": { "local": "2003-07-13T15:42:16+01:00", "utc": "2003-07-13T14:42:16Z", "ms": 1058107336159.1863 }, "end": { "local": "2003-07-13T18:01:56+01:00", "utc": "2003-07-13T17:01:56Z", "ms": 1058115715584.0374 } }, "covered_min": 140, "window_min": 140, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:51 on Sat 12 Jul to 20:21 on Sun 13 Jul.", "fact": "2003-07-12T21:50:37Z → 2003-07-13T19:21:24Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:42–18:02 on the 12th, 15:42–18:02 on the 13th.", "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 140 minutes on the 12th and 140 of 140 on the 13th.", "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 8368 s" }, { "step": "ruling", "text": "Kokilā Vrata, Luanda, 2003: Sunday 13 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": "2003-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-13", "confidence": "determinate" } ], "quote": "In Luanda, Kokilā Vrata 2003 falls on Sunday 13 July. Pūrṇimā runs from 22:51 on Sat 12 Jul to 20:21 on Sun 13 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2434, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-07-12T22:50:37+01:00", "utc": "2003-07-12T21:50:37Z", "ms": 1058046636676.2827 }, "end": { "local": "2003-07-13T20:21:24+01:00", "utc": "2003-07-13T19:21:24Z", "ms": 1058124083604.2949 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2003-07-12T22:50:37+01:00", "utc": "2003-07-12T21:50:37Z", "ms": 1058046636676.2827 }, "end": { "local": "2003-07-13T20:21:24+01:00", "utc": "2003-07-13T19:21:24Z", "ms": 1058124083604.2949 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-07-12", "window": { "start": { "local": "2003-07-12T18:01:42+01:00", "utc": "2003-07-12T17:01:42Z", "ms": 1058029302373.4209 }, "end": { "local": "2003-07-12T19:40:38+01:00", "utc": "2003-07-12T18:40:38Z", "ms": 1058035237851.6024 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2003-07-13", "window": { "start": { "local": "2003-07-13T18:01:56+01:00", "utc": "2003-07-13T17:01:56Z", "ms": 1058115715584.0374 }, "end": { "local": "2003-07-13T19:40:49+01:00", "utc": "2003-07-13T18:40:49Z", "ms": 1058121649417.0845 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:51 on Sat 12 Jul to 20:21 on Sun 13 Jul.", "fact": "2003-07-12T21:50:37Z → 2003-07-13T19:21:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:41 on the 12th, 18:02–19:41 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 99 minutes on the 12th and 99 of 99 on the 13th.", "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 2434 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Luanda, 2003: Sunday 13 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": "2003-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-13", "confidence": "determinate" } ], "quote": "In Luanda, Śiva Śayanotsava 2003 falls on Sunday 13 July. Pūrṇimā runs from 22:51 on Sat 12 Jul to 20:21 on Sun 13 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2516, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2003-07-14T18:13:58+01:00", "utc": "2003-07-14T17:13:58Z", "ms": 1058202838273.9181 }, "end": { "local": "2003-07-15T16:36:36+01:00", "utc": "2003-07-15T15:36:36Z", "ms": 1058283395730.6937 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2003-07-14T18:13:58+01:00", "utc": "2003-07-14T17:13:58Z", "ms": 1058202838273.9181 }, "end": { "local": "2003-07-15T16:36:36+01:00", "utc": "2003-07-15T15:36:36Z", "ms": 1058283395730.6937 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-07-14", "window": { "start": { "local": "2003-07-14T18:55:54+01:00", "utc": "2003-07-14T17:55:54Z", "ms": 1058205354087.6235 }, "end": { "local": "2003-07-14T18:55:54+01:00", "utc": "2003-07-14T17:55:54Z", "ms": 1058205354087.6235 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-07-15", "window": { "start": { "local": "2003-07-15T19:53:58+01:00", "utc": "2003-07-15T18:53:58Z", "ms": 1058295237678.9606 }, "end": { "local": "2003-07-15T19:53:58+01:00", "utc": "2003-07-15T18:53:58Z", "ms": 1058295237678.9606 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 18:14 on Mon 14 Jul to 16:37 on Tue 15 Jul.", "fact": "2003-07-14T17:13:58Z → 2003-07-15T15:36:36Z" }, { "step": "kaala", "text": "Moonrise is at 18:56 on the 14th and 19:54 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2516 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Luanda, 2003: Monday 14 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": "2003-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-14", "confidence": "determinate" } ], "quote": "In Luanda, Aśūnya Śayana Vrata (Āṣāḍha) 2003 falls on Monday 14 July. Dvitīyā runs from 18:14 on Mon 14 Jul to 16:37 on Tue 15 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/sankashta-chaturthi?on=2003-07-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18660, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-07-16T15:36:43+01:00", "utc": "2003-07-16T14:36:43Z", "ms": 1058366202528.3066 }, "end": { "local": "2003-07-17T15:19:57+01:00", "utc": "2003-07-17T14:19:57Z", "ms": 1058451597356.5886 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2003-07-16T15:36:43+01:00", "utc": "2003-07-16T14:36:43Z", "ms": 1058366202528.3066 }, "end": { "local": "2003-07-17T15:19:57+01:00", "utc": "2003-07-17T14:19:57Z", "ms": 1058451597356.5886 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-07-16", "window": { "start": { "local": "2003-07-16T20:47:43+01:00", "utc": "2003-07-16T19:47:43Z", "ms": 1058384862738.2205 }, "end": { "local": "2003-07-16T20:47:43+01:00", "utc": "2003-07-16T19:47:43Z", "ms": 1058384862738.2205 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-07-17", "window": { "start": { "local": "2003-07-17T21:37:29+01:00", "utc": "2003-07-17T20:37:29Z", "ms": 1058474248992.5188 }, "end": { "local": "2003-07-17T21:37:29+01:00", "utc": "2003-07-17T20:37:29Z", "ms": 1058474248992.5188 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:37 on Wed 16 Jul to 15:20 on Thu 17 Jul.", "fact": "2003-07-16T14:36:43Z → 2003-07-17T14:19:57Z" }, { "step": "kaala", "text": "Moonrise is at 20:48 on the 16th and 21:37 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.", "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 18660 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2003: Wednesday 16 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": "2003-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-16", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2003 falls on Wednesday 16 July. Caturthī runs from 15:37 on Wed 16 Jul to 15:20 on Thu 17 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/sankashta-chaturthi?on=2003-07-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/ekadashi?on=2003-07-24", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6942, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-07-24T02:14:50+01:00", "utc": "2003-07-24T01:14:50Z", "ms": 1059009289852.0166 }, "end": { "local": "2003-07-25T04:27:18+01:00", "utc": "2003-07-25T03:27:18Z", "ms": 1059103637613.2994 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2003-07-24T02:14:50+01:00", "utc": "2003-07-24T01:14:50Z", "ms": 1059009289852.0166 }, "end": { "local": "2003-07-25T04:27:18+01:00", "utc": "2003-07-25T03:27:18Z", "ms": 1059103637613.2994 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-07-24", "window": { "start": { "local": "2003-07-24T06:23:07+01:00", "utc": "2003-07-24T05:23:07Z", "ms": 1059024187120.1578 }, "end": { "local": "2003-07-24T06:23:07+01:00", "utc": "2003-07-24T05:23:07Z", "ms": 1059024187120.1578 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-07-25", "window": { "start": { "local": "2003-07-25T06:23:00+01:00", "utc": "2003-07-25T05:23:00Z", "ms": 1059110579698.6626 }, "end": { "local": "2003-07-25T06:23:00+01:00", "utc": "2003-07-25T05:23:00Z", "ms": 1059110579698.6626 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:15 on Thu 24 Jul to 04:27 on Fri 25 Jul.", "fact": "2003-07-24T01:14:50Z → 2003-07-25T03:27:18Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 24th and 06:23 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 6942 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Luanda, 2003: Thursday 24 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": "2003-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-24", "confidence": "determinate" } ], "quote": "In Luanda, Kāmikā Ekādaśī 2003 falls on Thursday 24 July. Ekādaśī runs from 02:15 on Thu 24 Jul to 04:27 on Fri 25 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-07-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-07-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37747, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-07-26T06:11:49+01:00", "utc": "2003-07-26T05:11:49Z", "ms": 1059196308936.1818 }, "end": { "local": "2003-07-27T07:21:48+01:00", "utc": "2003-07-27T06:21:48Z", "ms": 1059286907828.2571 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2003-07-26T06:11:49+01:00", "utc": "2003-07-26T05:11:49Z", "ms": 1059196308936.1818 }, "end": { "local": "2003-07-27T07:21:48+01:00", "utc": "2003-07-27T06:21:48Z", "ms": 1059286907828.2571 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-07-25", "window": { "start": { "local": "2003-07-25T18:04:13+01:00", "utc": "2003-07-25T17:04:13Z", "ms": 1059152652662.9296 }, "end": { "local": "2003-07-25T19:42:42+01:00", "utc": "2003-07-25T18:42:42Z", "ms": 1059158561840.7983 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2003-07-26", "window": { "start": { "local": "2003-07-26T18:04:22+01:00", "utc": "2003-07-26T17:04:22Z", "ms": 1059239061916.018 }, "end": { "local": "2003-07-26T19:42:49+01:00", "utc": "2003-07-26T18:42:49Z", "ms": 1059244968662.1189 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:12 on Sat 26 Jul to 07:22 on Sun 27 Jul.", "fact": "2003-07-26T05:11:49Z → 2003-07-27T06:21:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:43 on the 25th, 18:04–19:43 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 25th and 98 of 98 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 37747 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2003: Saturday 26 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": "2003-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-26", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2003 falls on Saturday 26 July. Trayodaśī runs from 06:12 on Sat 26 Jul to 07:22 on Sun 27 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-07-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/shivaratri?on=2003-07-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24256, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-07-27T07:21:48+01:00", "utc": "2003-07-27T06:21:48Z", "ms": 1059286907828.2571 }, "end": { "local": "2003-07-28T07:54:59+01:00", "utc": "2003-07-28T06:54:59Z", "ms": 1059375299438.0299 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2003-07-27T07:21:48+01:00", "utc": "2003-07-27T06:21:48Z", "ms": 1059286907828.2571 }, "end": { "local": "2003-07-28T07:54:59+01:00", "utc": "2003-07-28T06:54:59Z", "ms": 1059375299438.0299 } }, "kaala": "nishita", "days": [ { "local_date": "2003-07-26", "window": { "start": { "local": "2003-07-26T23:49:32+01:00", "utc": "2003-07-26T22:49:32Z", "ms": 1059259772213.8967 }, "end": { "local": "2003-07-27T00:37:32+01:00", "utc": "2003-07-26T23:37:32Z", "ms": 1059262652213.8967 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-07-27", "window": { "start": { "local": "2003-07-27T23:49:32+01:00", "utc": "2003-07-27T22:49:32Z", "ms": 1059346171759.0469 }, "end": { "local": "2003-07-28T00:37:32+01:00", "utc": "2003-07-27T23:37:32Z", "ms": 1059349051759.0469 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:22 on Sun 27 Jul to 07:55 on Mon 28 Jul.", "fact": "2003-07-27T06:21:48Z → 2003-07-28T06:54:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 26th, 23:50–00:38 on the 27th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24256 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2003: Sunday 27 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": "2003-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-27", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2003 falls on Sunday 27 July. Caturdaśī runs from 07:22 on Sun 27 Jul to 07:55 on Mon 28 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2003/shivaratri?on=2003-07-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19870, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2003-07-31T06:18:20+01:00", "utc": "2003-07-31T05:18:20Z", "ms": 1059628700301.1682 }, "end": { "local": "2003-08-01T04:56:52+01:00", "utc": "2003-08-01T03:56:52Z", "ms": 1059710212236.7251 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2003-07-31T06:18:20+01:00", "utc": "2003-07-31T05:18:20Z", "ms": 1059628700301.1682 }, "end": { "local": "2003-08-01T04:56:52+01:00", "utc": "2003-08-01T03:56:52Z", "ms": 1059710212236.7251 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-07-31", "window": { "start": { "local": "2003-07-31T11:49:30+01:00", "utc": "2003-07-31T10:49:30Z", "ms": 1059648570384.3489 }, "end": { "local": "2003-07-31T12:37:30+01:00", "utc": "2003-07-31T11:37:30Z", "ms": 1059651450384.3489 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-08-01", "window": { "start": { "local": "2003-08-01T11:49:27+01:00", "utc": "2003-08-01T10:49:27Z", "ms": 1059734967285.0906 }, "end": { "local": "2003-08-01T12:37:27+01:00", "utc": "2003-08-01T11:37:27Z", "ms": 1059737847285.0906 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:18 on Thu 31 Jul to 04:57 on Fri 1 Aug.", "fact": "2003-07-31T05:18:20Z → 2003-08-01T03:56:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 31st, 11:49–12:37 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 48 of 48 minutes on the 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19870 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Luanda, 2003: Thursday 31 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-07-31", "confidence": "determinate" } ], "quote": "In Luanda, Madhusravā Tṛtīyā (Hariyali Teej) 2003 falls on Thursday 31 July. Tṛtīyā runs from 06:18 on Thu 31 Jul to 04:57 on Fri 1 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/vinayaka-chaturthi?on=2003-08-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24755, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-08-01T04:56:52+01:00", "utc": "2003-08-01T03:56:52Z", "ms": 1059710212236.7251 }, "end": { "local": "2003-08-02T03:19:33+01:00", "utc": "2003-08-02T02:19:33Z", "ms": 1059790773346.3052 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2003-08-01T04:56:52+01:00", "utc": "2003-08-01T03:56:52Z", "ms": 1059710212236.7251 }, "end": { "local": "2003-08-02T03:19:33+01:00", "utc": "2003-08-02T02:19:33Z", "ms": 1059790773346.3052 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-08-01", "window": { "start": { "local": "2003-08-01T11:49:27+01:00", "utc": "2003-08-01T10:49:27Z", "ms": 1059734967285.0906 }, "end": { "local": "2003-08-01T12:37:27+01:00", "utc": "2003-08-01T11:37:27Z", "ms": 1059737847285.0906 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-08-02", "window": { "start": { "local": "2003-08-02T11:49:24+01:00", "utc": "2003-08-02T10:49:24Z", "ms": 1059821363563.034 }, "end": { "local": "2003-08-02T12:37:24+01:00", "utc": "2003-08-02T11:37:24Z", "ms": 1059824243563.034 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:57 on Fri 1 Aug to 03:20 on Sat 2 Aug.", "fact": "2003-08-01T03:56:52Z → 2003-08-02T02:19:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 1st, 11:49–12:37 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24755 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2003: Friday 1 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": "2003-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-01", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2003 falls on Friday 1 August. Caturthī runs from 04:57 on Fri 1 Aug to 03:20 on Sat 2 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/vinayaka-chaturthi?on=2003-08-01", "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/2003/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30590, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2003-08-02T03:19:33+01:00", "utc": "2003-08-02T02:19:33Z", "ms": 1059790773346.3052 }, "end": { "local": "2003-08-03T01:30:44+01:00", "utc": "2003-08-03T00:30:44Z", "ms": 1059870643879.8412 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2003-08-02T03:19:33+01:00", "utc": "2003-08-02T02:19:33Z", "ms": 1059790773346.3052 }, "end": { "local": "2003-08-03T01:30:44+01:00", "utc": "2003-08-03T00:30:44Z", "ms": 1059870643879.8412 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-08-02", "window": { "start": { "local": "2003-08-02T11:49:24+01:00", "utc": "2003-08-02T10:49:24Z", "ms": 1059821363563.034 }, "end": { "local": "2003-08-02T12:37:24+01:00", "utc": "2003-08-02T11:37:24Z", "ms": 1059824243563.034 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-08-03", "window": { "start": { "local": "2003-08-03T11:49:19+01:00", "utc": "2003-08-03T10:49:19Z", "ms": 1059907759215.6079 }, "end": { "local": "2003-08-03T12:37:19+01:00", "utc": "2003-08-03T11:37:19Z", "ms": 1059910639215.6079 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:20 on Sat 2 Aug to 01:31 on Sun 3 Aug.", "fact": "2003-08-02T02:19:33Z → 2003-08-03T00:30:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 2nd, 11:49–12:37 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30590 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Luanda, 2003: Saturday 2 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": "2003-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-02", "confidence": "determinate" } ], "quote": "In Luanda, Nāga Pañcamī 2003 falls on Saturday 2 August. Pañcamī runs from 03:20 on Sat 2 Aug to 01:31 on Sun 3 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-08-08", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23491, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-08-07T15:01:50+01:00", "utc": "2003-08-07T14:01:50Z", "ms": 1060264909505.576 }, "end": { "local": "2003-08-08T12:51:24+01:00", "utc": "2003-08-08T11:51:24Z", "ms": 1060343484353.5753 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2003-08-07T15:01:50+01:00", "utc": "2003-08-07T14:01:50Z", "ms": 1060264909505.576 }, "end": { "local": "2003-08-08T12:51:24+01:00", "utc": "2003-08-08T11:51:24Z", "ms": 1060343484353.5753 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-08-07", "window": { "start": { "local": "2003-08-07T06:20:12+01:00", "utc": "2003-08-07T05:20:12Z", "ms": 1060233611547.5995 }, "end": { "local": "2003-08-07T06:20:12+01:00", "utc": "2003-08-07T05:20:12Z", "ms": 1060233611547.5995 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-08-08", "window": { "start": { "local": "2003-08-08T06:19:53+01:00", "utc": "2003-08-08T05:19:53Z", "ms": 1060319993144.1371 }, "end": { "local": "2003-08-08T06:19:53+01:00", "utc": "2003-08-08T05:19:53Z", "ms": 1060319993144.1371 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:02 on Thu 7 Aug to 12:51 on Fri 8 Aug.", "fact": "2003-08-07T14:01:50Z → 2003-08-08T11:51:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 7th and 06:20 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 23491 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Luanda, 2003: Friday 8 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": "2003-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-08", "confidence": "determinate" } ], "quote": "In Luanda, Putradā Ekādaśī 2003 falls on Friday 8 August. Ekādaśī runs from 15:02 on Thu 7 Aug to 12:51 on Fri 8 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 876, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2003-08-08T12:51:24+01:00", "utc": "2003-08-08T11:51:24Z", "ms": 1060343484353.5753 }, "end": { "local": "2003-08-09T10:45:35+01:00", "utc": "2003-08-09T09:45:35Z", "ms": 1060422334587.3246 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2003-08-08T12:51:24+01:00", "utc": "2003-08-08T11:51:24Z", "ms": 1060343484353.5753 }, "end": { "local": "2003-08-09T10:45:35+01:00", "utc": "2003-08-09T09:45:35Z", "ms": 1060422334587.3246 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-08-08", "window": { "start": { "local": "2003-08-08T11:48:48+01:00", "utc": "2003-08-08T10:48:48Z", "ms": 1060339728139.2034 }, "end": { "local": "2003-08-08T12:36:48+01:00", "utc": "2003-08-08T11:36:48Z", "ms": 1060342608139.2034 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-08-09", "window": { "start": { "local": "2003-08-09T11:48:40+01:00", "utc": "2003-08-09T10:48:40Z", "ms": 1060426120089.5745 }, "end": { "local": "2003-08-09T12:36:40+01:00", "utc": "2003-08-09T11:36:40Z", "ms": 1060429000089.5745 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:51 on Fri 8 Aug to 10:46 on Sat 9 Aug.", "fact": "2003-08-08T11:51:24Z → 2003-08-09T09:45:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 8th, 11:49–12:37 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 876 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Luanda, 2003: Saturday 9 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "damodara-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-08", "confidence": "determinate" } ], "quote": "In Luanda, Dāmodara Dvādaśī 2003 falls on Saturday 9 August. Dvādaśī runs from 12:51 on Fri 8 Aug to 10:46 on Sat 9 Aug, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/pradosha-vrata?on=2003-08-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26412, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-08-09T10:45:35+01:00", "utc": "2003-08-09T09:45:35Z", "ms": 1060422334587.3246 }, "end": { "local": "2003-08-10T08:49:04+01:00", "utc": "2003-08-10T07:49:04Z", "ms": 1060501744297.862 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2003-08-09T10:45:35+01:00", "utc": "2003-08-09T09:45:35Z", "ms": 1060422334587.3246 }, "end": { "local": "2003-08-10T08:49:04+01:00", "utc": "2003-08-10T07:49:04Z", "ms": 1060501744297.862 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-08-09", "window": { "start": { "local": "2003-08-09T18:05:46+01:00", "utc": "2003-08-09T17:05:46Z", "ms": 1060448746184.8805 }, "end": { "local": "2003-08-09T19:43:34+01:00", "utc": "2003-08-09T18:43:34Z", "ms": 1060454613908.4471 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2003-08-10", "window": { "start": { "local": "2003-08-10T18:05:49+01:00", "utc": "2003-08-10T17:05:49Z", "ms": 1060535148783.8552 }, "end": { "local": "2003-08-10T19:43:33+01:00", "utc": "2003-08-10T18:43:33Z", "ms": 1060541013413.9194 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:46 on Sat 9 Aug to 08:49 on Sun 10 Aug.", "fact": "2003-08-09T09:45:35Z → 2003-08-10T07:49:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:44 on the 9th, 18:06–19:44 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 98 of 98 minutes on the 9th and 0 of 98 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 26412 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2003: Saturday 9 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": "2003-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-09", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2003 falls on Saturday 9 August. Trayodaśī runs from 10:46 on Sat 9 Aug to 08:49 on Sun 10 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1819, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-08-11T07:07:45+01:00", "utc": "2003-08-11T06:07:45Z", "ms": 1060582064724.1271 }, "end": { "local": "2003-08-12T05:48:13+01:00", "utc": "2003-08-12T04:48:13Z", "ms": 1060663693231.3308 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2003-08-11T18:24:50+01:00", "utc": "2003-08-11T17:24:50Z", "ms": 1060622689699.7705 }, "end": { "local": "2003-08-12T05:48:13+01:00", "utc": "2003-08-12T04:48:13Z", "ms": 1060663693231.3308 } }, "kaala": "day", "days": [ { "local_date": "2003-08-11", "window": { "start": { "local": "2003-08-11T06:18:54+01:00", "utc": "2003-08-11T05:18:54Z", "ms": 1060579133509.3368 }, "end": { "local": "2003-08-12T06:18:32+01:00", "utc": "2003-08-12T05:18:32Z", "ms": 1060665512202.6986 } }, "covered_min": 683, "window_min": 1440, "qualifies": true }, { "local_date": "2003-08-12", "window": { "start": { "local": "2003-08-12T06:18:32+01:00", "utc": "2003-08-12T05:18:32Z", "ms": 1060665512202.6986 }, "end": { "local": "2003-08-13T06:18:10+01:00", "utc": "2003-08-13T05:18:10Z", "ms": 1060751890206.9661 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:08 on Mon 11 Aug to 05:48 on Tue 12 Aug. Its second half begins at 18:25 on Mon 11 Aug.", "fact": "2003-08-11T06:07:45Z → 2003-08-12T04:48:13Z · second half from 2003-08-11T17:24:50Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:19 on the 11th, and from 06:19 on the 12th.", "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 683 of 1440 minutes on the 11th and 0 of 1440 on the 12th.", "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 1819 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Luanda, 2003: Monday 11 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": "2003-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-11", "confidence": "determinate" } ], "quote": "In Luanda, Rakṣā Bandhana (Rakhi) 2003 falls on Monday 11 August. The second half of Pūrṇimā runs from 18:25 on Mon 11 Aug to 05:48 on Tue 12 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16837, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-08-11T07:07:45+01:00", "utc": "2003-08-11T06:07:45Z", "ms": 1060582064724.1271 }, "end": { "local": "2003-08-12T05:48:13+01:00", "utc": "2003-08-12T04:48:13Z", "ms": 1060663693231.3308 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2003-08-11T07:07:45+01:00", "utc": "2003-08-11T06:07:45Z", "ms": 1060582064724.1271 }, "end": { "local": "2003-08-12T05:48:13+01:00", "utc": "2003-08-12T04:48:13Z", "ms": 1060663693231.3308 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-08-11", "window": { "start": { "local": "2003-08-11T11:48:22+01:00", "utc": "2003-08-11T10:48:22Z", "ms": 1060598902223.7285 }, "end": { "local": "2003-08-11T12:36:22+01:00", "utc": "2003-08-11T11:36:22Z", "ms": 1060601782223.7285 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-08-12", "window": { "start": { "local": "2003-08-12T11:48:12+01:00", "utc": "2003-08-12T10:48:12Z", "ms": 1060685292429.1947 }, "end": { "local": "2003-08-12T12:36:12+01:00", "utc": "2003-08-12T11:36:12Z", "ms": 1060688172429.1947 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:08 on Mon 11 Aug to 05:48 on Tue 12 Aug.", "fact": "2003-08-11T06:07:45Z → 2003-08-12T04:48:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 11th, 11:48–12:36 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16837 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Luanda, 2003: Monday 11 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": "2003-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-11", "confidence": "determinate" } ], "quote": "In Luanda, Ṛṣi Tarpaṇa 2003 falls on Monday 11 August. Pūrṇimā runs from 07:08 on Mon 11 Aug to 05:48 on Tue 12 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33220, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2003-08-13T04:57:18+01:00", "utc": "2003-08-13T03:57:18Z", "ms": 1060747037848.9006 }, "end": { "local": "2003-08-14T04:41:07+01:00", "utc": "2003-08-14T03:41:07Z", "ms": 1060832467019.2068 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-13T04:57:18+01:00", "utc": "2003-08-13T03:57:18Z", "ms": 1060747037848.9006 }, "end": { "local": "2003-08-14T04:41:07+01:00", "utc": "2003-08-14T03:41:07Z", "ms": 1060832467019.2068 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-08-12", "window": { "start": { "local": "2003-08-12T18:35:50+01:00", "utc": "2003-08-12T17:35:50Z", "ms": 1060709749849.3186 }, "end": { "local": "2003-08-12T18:35:50+01:00", "utc": "2003-08-12T17:35:50Z", "ms": 1060709749849.3186 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-08-13", "window": { "start": { "local": "2003-08-13T19:27:27+01:00", "utc": "2003-08-13T18:27:27Z", "ms": 1060799246555.8147 }, "end": { "local": "2003-08-13T19:27:27+01:00", "utc": "2003-08-13T18:27:27Z", "ms": 1060799246555.8147 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 04:57 on Wed 13 Aug to 04:41 on Thu 14 Aug.", "fact": "2003-08-13T03:57:18Z → 2003-08-14T03:41:07Z" }, { "step": "kaala", "text": "Moonrise is at 18:36 on the 12th and 19:27 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 12th and is on the 13th.", "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 33220 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Luanda, 2003: Wednesday 13 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": "2003-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-13", "confidence": "determinate" } ], "quote": "In Luanda, Aśūnya Śayana Vrata 2003 falls on Wednesday 13 August. Dvitīyā runs from 04:57 on Wed 13 Aug to 04:41 on Thu 14 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24215, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2003-08-14T04:41:07+01:00", "utc": "2003-08-14T03:41:07Z", "ms": 1060832467019.2068 }, "end": { "local": "2003-08-15T05:04:05+01:00", "utc": "2003-08-15T04:04:05Z", "ms": 1060920245210.1909 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-14T04:41:07+01:00", "utc": "2003-08-14T03:41:07Z", "ms": 1060832467019.2068 }, "end": { "local": "2003-08-15T05:04:05+01:00", "utc": "2003-08-15T04:04:05Z", "ms": 1060920245210.1909 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-08-14", "window": { "start": { "local": "2003-08-14T11:47:51+01:00", "utc": "2003-08-14T10:47:51Z", "ms": 1060858071176.4756 }, "end": { "local": "2003-08-14T12:35:51+01:00", "utc": "2003-08-14T11:35:51Z", "ms": 1060860951176.4756 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-08-15", "window": { "start": { "local": "2003-08-15T11:47:40+01:00", "utc": "2003-08-15T10:47:40Z", "ms": 1060944459742.6954 }, "end": { "local": "2003-08-15T12:35:40+01:00", "utc": "2003-08-15T11:35:40Z", "ms": 1060947339742.6954 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:41 on Thu 14 Aug to 05:04 on Fri 15 Aug.", "fact": "2003-08-14T03:41:07Z → 2003-08-15T04:04:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 14th, 11:48–12:36 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24215 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Luanda, 2003: Thursday 14 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-14", "confidence": "determinate" } ], "quote": "In Luanda, Kajjalī Tṛtīyā (Kajari Teej) 2003 falls on Thursday 14 August. Tṛtīyā runs from 04:41 on Thu 14 Aug to 05:04 on Fri 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34589, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-08-15T05:04:05+01:00", "utc": "2003-08-15T04:04:05Z", "ms": 1060920245210.1909 }, "end": { "local": "2003-08-16T06:07:39+01:00", "utc": "2003-08-16T05:07:39Z", "ms": 1061010459191.6074 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-15T05:04:05+01:00", "utc": "2003-08-15T04:04:05Z", "ms": 1060920245210.1909 }, "end": { "local": "2003-08-16T06:07:39+01:00", "utc": "2003-08-16T05:07:39Z", "ms": 1061010459191.6074 } }, "kaala": "sayahna", "days": [ { "local_date": "2003-08-15", "window": { "start": { "local": "2003-08-15T15:44:13+01:00", "utc": "2003-08-15T14:44:13Z", "ms": 1060958653062.2139 }, "end": { "local": "2003-08-15T18:05:55+01:00", "utc": "2003-08-15T17:05:55Z", "ms": 1060967155275.2262 } }, "covered_min": 142, "window_min": 142, "qualifies": true }, { "local_date": "2003-08-16", "window": { "start": { "local": "2003-08-16T15:44:08+01:00", "utc": "2003-08-16T14:44:08Z", "ms": 1061045048314.9904 }, "end": { "local": "2003-08-16T18:05:55+01:00", "utc": "2003-08-16T17:05:55Z", "ms": 1061053555333.7084 } }, "covered_min": 0, "window_min": 142, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:04 on Fri 15 Aug to 06:08 on Sat 16 Aug.", "fact": "2003-08-15T04:04:05Z → 2003-08-16T05:07:39Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:44–18:06 on the 15th, 15:44–18:06 on the 16th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 142 of 142 minutes on the 15th and 0 of 142 on the 16th.", "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 34589 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Luanda, 2003: Friday 15 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-15", "confidence": "determinate" } ], "quote": "In Luanda, Bahulā Caturthī 2003 falls on Friday 15 August. Caturthī runs from 05:04 on Fri 15 Aug to 06:08 on Sat 16 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/sankashta-chaturthi?on=2003-08-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31698, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-08-15T05:04:05+01:00", "utc": "2003-08-15T04:04:05Z", "ms": 1060920245210.1909 }, "end": { "local": "2003-08-16T06:07:39+01:00", "utc": "2003-08-16T05:07:39Z", "ms": 1061010459191.6074 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-15T05:04:05+01:00", "utc": "2003-08-15T04:04:05Z", "ms": 1060920245210.1909 }, "end": { "local": "2003-08-16T06:07:39+01:00", "utc": "2003-08-16T05:07:39Z", "ms": 1061010459191.6074 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-08-14", "window": { "start": { "local": "2003-08-14T20:15:47+01:00", "utc": "2003-08-14T19:15:47Z", "ms": 1060888547491.626 }, "end": { "local": "2003-08-14T20:15:47+01:00", "utc": "2003-08-14T19:15:47Z", "ms": 1060888547491.626 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-08-15", "window": { "start": { "local": "2003-08-15T21:01:49+01:00", "utc": "2003-08-15T20:01:49Z", "ms": 1060977709024.3231 }, "end": { "local": "2003-08-15T21:01:49+01:00", "utc": "2003-08-15T20:01:49Z", "ms": 1060977709024.3231 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:04 on Fri 15 Aug to 06:08 on Sat 16 Aug.", "fact": "2003-08-15T04:04:05Z → 2003-08-16T05:07:39Z" }, { "step": "kaala", "text": "Moonrise is at 20:16 on the 14th and 21:02 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31698 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2003: Friday 15 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": "2003-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-15", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2003 falls on Friday 15 August. Caturthī runs from 05:04 on Fri 15 Aug to 06:08 on Sat 16 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/sankashta-chaturthi?on=2003-08-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6362, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2003-08-17T07:49:08+01:00", "utc": "2003-08-17T06:49:08Z", "ms": 1061102948028.1422 }, "end": { "local": "2003-08-18T10:01:00+01:00", "utc": "2003-08-18T09:01:00Z", "ms": 1061197260046.345 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-17T07:49:08+01:00", "utc": "2003-08-17T06:49:08Z", "ms": 1061102948028.1422 }, "end": { "local": "2003-08-18T10:01:00+01:00", "utc": "2003-08-18T09:01:00Z", "ms": 1061197260046.345 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-08-17", "window": { "start": { "local": "2003-08-17T11:47:15+01:00", "utc": "2003-08-17T10:47:15Z", "ms": 1061117235321.2451 }, "end": { "local": "2003-08-17T12:35:15+01:00", "utc": "2003-08-17T11:35:15Z", "ms": 1061120115321.2451 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-08-18", "window": { "start": { "local": "2003-08-18T11:47:02+01:00", "utc": "2003-08-18T10:47:02Z", "ms": 1061203622357.7288 }, "end": { "local": "2003-08-18T12:35:02+01:00", "utc": "2003-08-18T11:35:02Z", "ms": 1061206502357.7288 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:49 on Sun 17 Aug to 10:01 on Mon 18 Aug.", "fact": "2003-08-17T06:49:08Z → 2003-08-18T09:01:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 17th, 11:47–12:35 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6362 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Luanda, 2003: Sunday 17 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-17", "confidence": "determinate" } ], "quote": "In Luanda, Hala Ṣaṣṭhī 2003 falls on Sunday 17 August. Ṣaṣṭhī runs from 07:49 on Sun 17 Aug to 10:01 on Mon 18 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-18", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 224, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2003-08-18T10:01:00+01:00", "utc": "2003-08-18T09:01:00Z", "ms": 1061197260046.345 }, "end": { "local": "2003-08-19T12:31:05+01:00", "utc": "2003-08-19T11:31:05Z", "ms": 1061292664850.0455 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-18T10:01:00+01:00", "utc": "2003-08-18T09:01:00Z", "ms": 1061197260046.345 }, "end": { "local": "2003-08-19T12:31:05+01:00", "utc": "2003-08-19T11:31:05Z", "ms": 1061292664850.0455 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-08-18", "window": { "start": { "local": "2003-08-18T11:47:02+01:00", "utc": "2003-08-18T10:47:02Z", "ms": 1061203622357.7288 }, "end": { "local": "2003-08-18T12:35:02+01:00", "utc": "2003-08-18T11:35:02Z", "ms": 1061206502357.7288 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-08-19", "window": { "start": { "local": "2003-08-19T11:46:49+01:00", "utc": "2003-08-19T10:46:49Z", "ms": 1061290008908.3497 }, "end": { "local": "2003-08-19T12:34:49+01:00", "utc": "2003-08-19T11:34:49Z", "ms": 1061292888908.3497 } }, "covered_min": 44, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:01 on Mon 18 Aug to 12:31 on Tue 19 Aug.", "fact": "2003-08-18T09:01:00Z → 2003-08-19T11:31:05Z" }, { "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": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 44 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 224 s < 300 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Luanda, 2003: Monday 18 August.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-08-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-18", "confidence": "determinate" } ], "quote": "In Luanda, Śītalā Saptamī 2003 falls on Monday 18 August. Saptamī runs from 10:01 on Mon 18 Aug to 12:31 on Tue 19 Aug and covers all of madhyāhna that midday. It also reaches the next midday for 44 minutes; by the rule the first midday is taken. It is 3 min 44 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31344, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2003-08-19T12:31:05+01:00", "utc": "2003-08-19T11:31:05Z", "ms": 1061292664850.0455 }, "end": { "local": "2003-08-20T15:03:58+01:00", "utc": "2003-08-20T14:03:58Z", "ms": 1061388237803.8748 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-19T12:31:05+01:00", "utc": "2003-08-19T11:31:05Z", "ms": 1061292664850.0455 }, "end": { "local": "2003-08-20T15:03:58+01:00", "utc": "2003-08-20T14:03:58Z", "ms": 1061388237803.8748 } }, "kaala": "nishita", "days": [ { "local_date": "2003-08-19", "window": { "start": { "local": "2003-08-19T23:46:36+01:00", "utc": "2003-08-19T22:46:36Z", "ms": 1061333195714.7131 }, "end": { "local": "2003-08-20T00:34:36+01:00", "utc": "2003-08-19T23:34:36Z", "ms": 1061336075714.7131 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-08-20", "window": { "start": { "local": "2003-08-20T23:46:22+01:00", "utc": "2003-08-20T22:46:22Z", "ms": 1061419581508.2659 }, "end": { "local": "2003-08-21T00:34:22+01:00", "utc": "2003-08-20T23:34:22Z", "ms": 1061422461508.2659 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:31 on Tue 19 Aug to 15:04 on Wed 20 Aug.", "fact": "2003-08-19T11:31:05Z → 2003-08-20T14:03:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 19th, 23:46–00:34 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31344 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Luanda, 2003: Tuesday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-19", "confidence": "determinate" } ], "quote": "In Luanda, Janmāṣṭamī 2003 falls on Tuesday 19 August. Aṣṭamī runs from 12:31 on Tue 19 Aug to 15:04 on Wed 20 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-08-23", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35070, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-08-22T19:15:10+01:00", "utc": "2003-08-22T18:15:10Z", "ms": 1061576110460.8881 }, "end": { "local": "2003-08-23T20:28:57+01:00", "utc": "2003-08-23T19:28:57Z", "ms": 1061666937085.2494 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-22T19:15:10+01:00", "utc": "2003-08-22T18:15:10Z", "ms": 1061576110460.8881 }, "end": { "local": "2003-08-23T20:28:57+01:00", "utc": "2003-08-23T19:28:57Z", "ms": 1061666937085.2494 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-08-23", "window": { "start": { "local": "2003-08-23T06:13:56+01:00", "utc": "2003-08-23T05:13:56Z", "ms": 1061615635741.1549 }, "end": { "local": "2003-08-23T06:13:56+01:00", "utc": "2003-08-23T05:13:56Z", "ms": 1061615635741.1549 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-08-24", "window": { "start": { "local": "2003-08-24T06:13:27+01:00", "utc": "2003-08-24T05:13:27Z", "ms": 1061702007178.6941 }, "end": { "local": "2003-08-24T06:13:27+01:00", "utc": "2003-08-24T05:13:27Z", "ms": 1061702007178.6941 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:15 on Fri 22 Aug to 20:29 on Sat 23 Aug.", "fact": "2003-08-22T18:15:10Z → 2003-08-23T19:28:57Z" }, { "step": "kaala", "text": "Sunrise is at 06:14 on the 23rd and 06:13 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35070 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Luanda, 2003: Saturday 23 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": "2003-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-23", "confidence": "determinate" } ], "quote": "In Luanda, Ajā Ekādaśī 2003 falls on Saturday 23 August. Ekādaśī runs from 19:15 on Fri 22 Aug to 20:29 on Sat 23 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-08-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-08-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3838, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-08-24T20:59:32+01:00", "utc": "2003-08-24T19:59:32Z", "ms": 1061755171981.7332 }, "end": { "local": "2003-08-25T20:46:32+01:00", "utc": "2003-08-25T19:46:32Z", "ms": 1061840791649.9043 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-24T20:59:32+01:00", "utc": "2003-08-24T19:59:32Z", "ms": 1061755171981.7332 }, "end": { "local": "2003-08-25T20:46:32+01:00", "utc": "2003-08-25T19:46:32Z", "ms": 1061840791649.9043 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-08-24", "window": { "start": { "local": "2003-08-24T18:05:42+01:00", "utc": "2003-08-24T17:05:42Z", "ms": 1061744742402.6526 }, "end": { "local": "2003-08-24T19:42:40+01:00", "utc": "2003-08-24T18:42:40Z", "ms": 1061750560496.8938 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2003-08-25", "window": { "start": { "local": "2003-08-25T18:05:39+01:00", "utc": "2003-08-25T17:05:39Z", "ms": 1061831139241.0726 }, "end": { "local": "2003-08-25T19:42:34+01:00", "utc": "2003-08-25T18:42:34Z", "ms": 1061836953815.3032 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:00 on Sun 24 Aug to 20:47 on Mon 25 Aug.", "fact": "2003-08-24T19:59:32Z → 2003-08-25T19:46:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:43 on the 24th, 18:06–19:43 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 97 minutes on the 24th and 97 of 97 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 3838 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2003: Monday 25 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": "2003-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-25", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2003 falls on Monday 25 August. Trayodaśī runs from 21:00 on Sun 24 Aug to 20:47 on Mon 25 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-08-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/shivaratri?on=2003-08-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10712, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-08-25T20:46:32+01:00", "utc": "2003-08-25T19:46:32Z", "ms": 1061840791649.9043 }, "end": { "local": "2003-08-26T19:53:26+01:00", "utc": "2003-08-26T18:53:26Z", "ms": 1061924005510.5001 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-25T20:46:32+01:00", "utc": "2003-08-25T19:46:32Z", "ms": 1061840791649.9043 }, "end": { "local": "2003-08-26T19:53:26+01:00", "utc": "2003-08-26T18:53:26Z", "ms": 1061924005510.5001 } }, "kaala": "nishita", "days": [ { "local_date": "2003-08-25", "window": { "start": { "local": "2003-08-25T23:45:04+01:00", "utc": "2003-08-25T22:45:04Z", "ms": 1061851503894.4373 }, "end": { "local": "2003-08-26T00:33:04+01:00", "utc": "2003-08-25T23:33:04Z", "ms": 1061854383894.4373 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-08-26", "window": { "start": { "local": "2003-08-26T23:44:47+01:00", "utc": "2003-08-26T22:44:47Z", "ms": 1061937887135.8453 }, "end": { "local": "2003-08-27T00:32:47+01:00", "utc": "2003-08-26T23:32:47Z", "ms": 1061940767135.8453 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:47 on Mon 25 Aug to 19:53 on Tue 26 Aug.", "fact": "2003-08-25T19:46:32Z → 2003-08-26T18:53:26Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 25th, 23:45–00:33 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10712 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2003: Monday 25 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-25", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2003 falls on Monday 25 August. Caturdaśī runs from 20:47 on Mon 25 Aug to 19:53 on Tue 26 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2003/shivaratri?on=2003-08-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 659, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-08-25T20:46:32+01:00", "utc": "2003-08-25T19:46:32Z", "ms": 1061840791649.9043 }, "end": { "local": "2003-08-26T19:53:26+01:00", "utc": "2003-08-26T18:53:26Z", "ms": 1061924005510.5001 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-25T20:46:32+01:00", "utc": "2003-08-25T19:46:32Z", "ms": 1061840791649.9043 }, "end": { "local": "2003-08-26T19:53:26+01:00", "utc": "2003-08-26T18:53:26Z", "ms": 1061924005510.5001 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-08-25", "window": { "start": { "local": "2003-08-25T18:05:39+01:00", "utc": "2003-08-25T17:05:39Z", "ms": 1061831139241.0726 }, "end": { "local": "2003-08-25T19:42:34+01:00", "utc": "2003-08-25T18:42:34Z", "ms": 1061836953815.3032 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2003-08-26", "window": { "start": { "local": "2003-08-26T18:05:36+01:00", "utc": "2003-08-26T17:05:36Z", "ms": 1061917535763.9042 }, "end": { "local": "2003-08-26T19:42:27+01:00", "utc": "2003-08-26T18:42:27Z", "ms": 1061923346796.4219 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:47 on Mon 25 Aug to 19:53 on Tue 26 Aug.", "fact": "2003-08-25T19:46:32Z → 2003-08-26T18:53:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:43 on the 25th, 18:06–19:42 on the 26th.", "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 97 minutes on the 25th and 97 of 97 on the 26th.", "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 659 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Luanda, 2003: Tuesday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-26", "confidence": "determinate" } ], "quote": "In Luanda, Aghora Caturdaśī 2003 falls on Tuesday 26 August. Caturdaśī runs from 20:47 on Mon 25 Aug to 19:53 on Tue 26 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14424, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2003-08-27T18:26:21+01:00", "utc": "2003-08-27T17:26:21Z", "ms": 1062005181186.176 }, "end": { "local": "2003-08-28T16:32:52+01:00", "utc": "2003-08-28T15:32:52Z", "ms": 1062084772318.7911 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-27T18:26:21+01:00", "utc": "2003-08-27T17:26:21Z", "ms": 1062005181186.176 }, "end": { "local": "2003-08-28T16:32:52+01:00", "utc": "2003-08-28T15:32:52Z", "ms": 1062084772318.7911 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-08-27", "window": { "start": { "local": "2003-08-27T11:44:45+01:00", "utc": "2003-08-27T10:44:45Z", "ms": 1061981085243.3943 }, "end": { "local": "2003-08-27T12:32:45+01:00", "utc": "2003-08-27T11:32:45Z", "ms": 1061983965243.3943 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-08-28", "window": { "start": { "local": "2003-08-28T11:44:28+01:00", "utc": "2003-08-28T10:44:28Z", "ms": 1062067467948.7644 }, "end": { "local": "2003-08-28T12:32:28+01:00", "utc": "2003-08-28T11:32:28Z", "ms": 1062070347948.7644 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:26 on Wed 27 Aug to 16:33 on Thu 28 Aug.", "fact": "2003-08-27T17:26:21Z → 2003-08-28T15:32:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 27th, 11:44–12:32 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14424 s" }, { "step": "ruling", "text": "Rudra Vrata, Luanda, 2003: Thursday 28 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-28", "confidence": "determinate" } ], "quote": "In Luanda, Rudra Vrata 2003 falls on Thursday 28 August. Pratipadā runs from 18:26 on Wed 27 Aug to 16:33 on Thu 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 866, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-08-30T11:58:18+01:00", "utc": "2003-08-30T10:58:18Z", "ms": 1062241098239.5634 }, "end": { "local": "2003-08-31T09:31:38+01:00", "utc": "2003-08-31T08:31:38Z", "ms": 1062318697568.035 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-30T11:58:18+01:00", "utc": "2003-08-30T10:58:18Z", "ms": 1062241098239.5634 }, "end": { "local": "2003-08-31T09:31:38+01:00", "utc": "2003-08-31T08:31:38Z", "ms": 1062318697568.035 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-08-30", "window": { "start": { "local": "2003-08-30T11:43:52+01:00", "utc": "2003-08-30T10:43:52Z", "ms": 1062240232257.4956 }, "end": { "local": "2003-08-30T12:31:52+01:00", "utc": "2003-08-30T11:31:52Z", "ms": 1062243112257.4956 } }, "covered_min": 34, "window_min": 48, "qualifies": true }, { "local_date": "2003-08-31", "window": { "start": { "local": "2003-08-31T11:43:34+01:00", "utc": "2003-08-31T10:43:34Z", "ms": 1062326613884.5583 }, "end": { "local": "2003-08-31T12:31:34+01:00", "utc": "2003-08-31T11:31:34Z", "ms": 1062329493884.5583 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:58 on Sat 30 Aug to 09:32 on Sun 31 Aug.", "fact": "2003-08-30T10:58:18Z → 2003-08-31T08:31:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 30th, 11:44–12:32 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 34 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 866 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Luanda, 2003: Saturday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-30", "confidence": "determinate" } ], "quote": "In Luanda, Gaṇeśa Caturthī 2003 falls on Saturday 30 August. Caturthī runs from 11:58 on Sat 30 Aug to 09:32 on Sun 31 Aug and covers 34 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 866, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2003-08-29T14:20:58+01:00", "utc": "2003-08-29T13:20:58Z", "ms": 1062163258332.9636 }, "end": { "local": "2003-08-30T11:58:18+01:00", "utc": "2003-08-30T10:58:18Z", "ms": 1062241098239.5634 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-29T14:20:58+01:00", "utc": "2003-08-29T13:20:58Z", "ms": 1062163258332.9636 }, "end": { "local": "2003-08-30T11:58:18+01:00", "utc": "2003-08-30T10:58:18Z", "ms": 1062241098239.5634 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-08-29", "window": { "start": { "local": "2003-08-29T11:44:10+01:00", "utc": "2003-08-29T10:44:10Z", "ms": 1062153850282.9774 }, "end": { "local": "2003-08-29T12:32:10+01:00", "utc": "2003-08-29T11:32:10Z", "ms": 1062156730282.9774 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-08-30", "window": { "start": { "local": "2003-08-30T11:43:52+01:00", "utc": "2003-08-30T10:43:52Z", "ms": 1062240232257.4956 }, "end": { "local": "2003-08-30T12:31:52+01:00", "utc": "2003-08-30T11:31:52Z", "ms": 1062243112257.4956 } }, "covered_min": 14, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:21 on Fri 29 Aug to 11:58 on Sat 30 Aug.", "fact": "2003-08-29T13:20:58Z → 2003-08-30T10:58:18Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 14 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: paraviddha → only-day · margin 866 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Luanda, 2003: Saturday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-30", "confidence": "determinate" } ], "quote": "In Luanda, Haritālikā Vrata (Hartalika Teej) 2003 falls on Saturday 30 August. Tṛtīyā runs from 14:21 on Fri 29 Aug to 11:58 on Sat 30 Aug and covers 14 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7916, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2003-08-31T09:31:38+01:00", "utc": "2003-08-31T08:31:38Z", "ms": 1062318697568.035 }, "end": { "local": "2003-09-01T07:06:27+01:00", "utc": "2003-09-01T06:06:27Z", "ms": 1062396387448.0095 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-08-31T09:31:38+01:00", "utc": "2003-08-31T08:31:38Z", "ms": 1062318697568.035 }, "end": { "local": "2003-09-01T07:06:27+01:00", "utc": "2003-09-01T06:06:27Z", "ms": 1062396387448.0095 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-08-31", "window": { "start": { "local": "2003-08-31T11:43:34+01:00", "utc": "2003-08-31T10:43:34Z", "ms": 1062326613884.5583 }, "end": { "local": "2003-08-31T12:31:34+01:00", "utc": "2003-08-31T11:31:34Z", "ms": 1062329493884.5583 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-09-01", "window": { "start": { "local": "2003-09-01T11:43:15+01:00", "utc": "2003-09-01T10:43:15Z", "ms": 1062412995177.574 }, "end": { "local": "2003-09-01T12:31:15+01:00", "utc": "2003-09-01T11:31:15Z", "ms": 1062415875177.574 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:32 on Sun 31 Aug to 07:06 on Mon 1 Sep.", "fact": "2003-08-31T08:31:38Z → 2003-09-01T06:06:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 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": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 7916 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Luanda, 2003: Sunday 31 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-08-31", "confidence": "determinate" } ], "quote": "In Luanda, Ṛṣi Pañcamī 2003 falls on Sunday 31 August. Pañcamī runs from 09:32 on Sun 31 Aug to 07:06 on Mon 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16608, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2003-09-01T07:06:27+01:00", "utc": "2003-09-01T06:06:27Z", "ms": 1062396387448.0095 }, "end": { "local": "2003-09-02T04:46:56+01:00", "utc": "2003-09-02T03:46:56Z", "ms": 1062474415898.0654 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-09-01T07:06:27+01:00", "utc": "2003-09-01T06:06:27Z", "ms": 1062396387448.0095 }, "end": { "local": "2003-09-02T04:46:56+01:00", "utc": "2003-09-02T03:46:56Z", "ms": 1062474415898.0654 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-09-01", "window": { "start": { "local": "2003-09-01T11:43:15+01:00", "utc": "2003-09-01T10:43:15Z", "ms": 1062412995177.574 }, "end": { "local": "2003-09-01T12:31:15+01:00", "utc": "2003-09-01T11:31:15Z", "ms": 1062415875177.574 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-09-02", "window": { "start": { "local": "2003-09-02T11:42:56+01:00", "utc": "2003-09-02T10:42:56Z", "ms": 1062499376151.1262 }, "end": { "local": "2003-09-02T12:30:56+01:00", "utc": "2003-09-02T11:30:56Z", "ms": 1062502256151.1262 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:06 on Mon 1 Sep to 04:47 on Tue 2 Sep.", "fact": "2003-09-01T06:06:27Z → 2003-09-02T03:46:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 1st, 11:43–12:31 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16608 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Luanda, 2003: Monday 1 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": "2003-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-01", "confidence": "determinate" } ], "quote": "In Luanda, Sūrya Ṣaṣṭhī (Bhādrapada) 2003 falls on Monday 1 September. Ṣaṣṭhī runs from 07:06 on Mon 1 Sep to 04:47 on Tue 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24960, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2003-09-02T04:46:56+01:00", "utc": "2003-09-02T03:46:56Z", "ms": 1062474415898.0654 }, "end": { "local": "2003-09-03T02:35:52+01:00", "utc": "2003-09-03T01:35:52Z", "ms": 1062552951969.9454 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-09-02T04:46:56+01:00", "utc": "2003-09-02T03:46:56Z", "ms": 1062474415898.0654 }, "end": { "local": "2003-09-03T02:35:52+01:00", "utc": "2003-09-03T01:35:52Z", "ms": 1062552951969.9454 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-09-02", "window": { "start": { "local": "2003-09-02T11:42:56+01:00", "utc": "2003-09-02T10:42:56Z", "ms": 1062499376151.1262 }, "end": { "local": "2003-09-02T12:30:56+01:00", "utc": "2003-09-02T11:30:56Z", "ms": 1062502256151.1262 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-09-03", "window": { "start": { "local": "2003-09-03T11:42:37+01:00", "utc": "2003-09-03T10:42:37Z", "ms": 1062585756821.018 }, "end": { "local": "2003-09-03T12:30:37+01:00", "utc": "2003-09-03T11:30:37Z", "ms": 1062588636821.018 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:47 on Tue 2 Sep to 02:36 on Wed 3 Sep.", "fact": "2003-09-02T03:46:56Z → 2003-09-03T01:35:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 2nd, 11:43–12:31 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24960 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Luanda, 2003: Tuesday 2 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": "2003-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-02", "confidence": "determinate" } ], "quote": "In Luanda, Muktābharaṇa Vrata 2003 falls on Tuesday 2 September. Saptamī runs from 04:47 on Tue 2 Sep to 02:36 on Wed 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32805, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2003-09-03T02:35:52+01:00", "utc": "2003-09-03T01:35:52Z", "ms": 1062552951969.9454 }, "end": { "local": "2003-09-04T00:35:03+01:00", "utc": "2003-09-03T23:35:03Z", "ms": 1062632102573.1377 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-09-03T02:35:52+01:00", "utc": "2003-09-03T01:35:52Z", "ms": 1062552951969.9454 }, "end": { "local": "2003-09-04T00:35:03+01:00", "utc": "2003-09-03T23:35:03Z", "ms": 1062632102573.1377 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-09-03", "window": { "start": { "local": "2003-09-03T11:42:37+01:00", "utc": "2003-09-03T10:42:37Z", "ms": 1062585756821.018 }, "end": { "local": "2003-09-03T12:30:37+01:00", "utc": "2003-09-03T11:30:37Z", "ms": 1062588636821.018 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-09-04", "window": { "start": { "local": "2003-09-04T11:42:17+01:00", "utc": "2003-09-04T10:42:17Z", "ms": 1062672137204.5278 }, "end": { "local": "2003-09-04T12:30:17+01:00", "utc": "2003-09-04T11:30:17Z", "ms": 1062675017204.5278 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:36 on Wed 3 Sep to 00:35 on Thu 4 Sep.", "fact": "2003-09-03T01:35:52Z → 2003-09-03T23:35:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 3rd, 11:42–12:30 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32805 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Luanda, 2003: Wednesday 3 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": "2003-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-03", "confidence": "determinate" } ], "quote": "In Luanda, Rādhāṣṭamī 2003 falls on Wednesday 3 September. Aṣṭamī runs from 02:36 on Wed 3 Sep to 00:35 on Thu 4 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-09-06", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32264, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-09-05T21:08:51+01:00", "utc": "2003-09-05T20:08:51Z", "ms": 1062792531336.9523 }, "end": { "local": "2003-09-06T19:46:13+01:00", "utc": "2003-09-06T18:46:13Z", "ms": 1062873973094.5791 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-09-05T21:08:51+01:00", "utc": "2003-09-05T20:08:51Z", "ms": 1062792531336.9523 }, "end": { "local": "2003-09-06T19:46:13+01:00", "utc": "2003-09-06T18:46:13Z", "ms": 1062873973094.5791 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-09-06", "window": { "start": { "local": "2003-09-06T06:06:35+01:00", "utc": "2003-09-06T05:06:35Z", "ms": 1062824795090.6506 }, "end": { "local": "2003-09-06T06:06:35+01:00", "utc": "2003-09-06T05:06:35Z", "ms": 1062824795090.6506 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-09-07", "window": { "start": { "local": "2003-09-07T06:06:01+01:00", "utc": "2003-09-07T05:06:01Z", "ms": 1062911160840.0554 }, "end": { "local": "2003-09-07T06:06:01+01:00", "utc": "2003-09-07T05:06:01Z", "ms": 1062911160840.0554 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:09 on Fri 5 Sep to 19:46 on Sat 6 Sep.", "fact": "2003-09-05T20:08:51Z → 2003-09-06T18:46:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 6th and 06:06 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32264 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Luanda, 2003: Saturday 6 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": "2003-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-06", "confidence": "determinate" } ], "quote": "In Luanda, Parivartanī Ekādaśī 2003 falls on Saturday 6 September. Ekādaśī runs from 21:09 on Fri 5 Sep to 19:46 on Sat 6 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-09-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22250, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2003-09-06T19:46:13+01:00", "utc": "2003-09-06T18:46:13Z", "ms": 1062873973094.5791 }, "end": { "local": "2003-09-07T18:40:06+01:00", "utc": "2003-09-07T17:40:06Z", "ms": 1062956406483.8667 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-09-06T19:46:13+01:00", "utc": "2003-09-06T18:46:13Z", "ms": 1062873973094.5791 }, "end": { "local": "2003-09-07T18:40:06+01:00", "utc": "2003-09-07T17:40:06Z", "ms": 1062956406483.8667 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-09-06", "window": { "start": { "local": "2003-09-06T11:41:37+01:00", "utc": "2003-09-06T10:41:37Z", "ms": 1062844897187.7744 }, "end": { "local": "2003-09-06T12:29:37+01:00", "utc": "2003-09-06T11:29:37Z", "ms": 1062847777187.7744 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-09-07", "window": { "start": { "local": "2003-09-07T11:41:17+01:00", "utc": "2003-09-07T10:41:17Z", "ms": 1062931276827.9019 }, "end": { "local": "2003-09-07T12:29:17+01:00", "utc": "2003-09-07T11:29:17Z", "ms": 1062934156827.9019 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:46 on Sat 6 Sep to 18:40 on Sun 7 Sep.", "fact": "2003-09-06T18:46:13Z → 2003-09-07T17:40:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 6th, 11:41–12:29 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22250 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Luanda, 2003: Sunday 7 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": "2003-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-07", "confidence": "determinate" } ], "quote": "In Luanda, Vāmana Jayantī 2003 falls on Sunday 7 September. Dvādaśī runs from 19:46 on Sat 6 Sep to 18:40 on Sun 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/pradosha-vrata?on=2003-09-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 640, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-09-07T18:40:06+01:00", "utc": "2003-09-07T17:40:06Z", "ms": 1062956406483.8667 }, "end": { "local": "2003-09-08T17:53:46+01:00", "utc": "2003-09-08T16:53:46Z", "ms": 1063040025699.4503 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-09-07T18:40:06+01:00", "utc": "2003-09-07T17:40:06Z", "ms": 1062956406483.8667 }, "end": { "local": "2003-09-08T17:53:46+01:00", "utc": "2003-09-08T16:53:46Z", "ms": 1063040025699.4503 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-09-07", "window": { "start": { "local": "2003-09-07T18:04:33+01:00", "utc": "2003-09-07T17:04:33Z", "ms": 1062954272815.7484 }, "end": { "local": "2003-09-07T19:40:40+01:00", "utc": "2003-09-07T18:40:40Z", "ms": 1062960039950.6885 } }, "covered_min": 61, "window_min": 96, "qualifies": true }, { "local_date": "2003-09-08", "window": { "start": { "local": "2003-09-08T18:04:26+01:00", "utc": "2003-09-08T17:04:26Z", "ms": 1063040666196.3376 }, "end": { "local": "2003-09-08T19:40:30+01:00", "utc": "2003-09-08T18:40:30Z", "ms": 1063046429580.5397 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:40 on Sun 7 Sep to 17:54 on Mon 8 Sep.", "fact": "2003-09-07T17:40:06Z → 2003-09-08T16:53:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:41 on the 7th, 18:04–19:40 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 61 of 96 minutes on the 7th and 0 of 96 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 640 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2003: Sunday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-07", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2003 falls on Sunday 7 September. Trayodaśī runs from 18:40 on Sun 7 Sep to 17:54 on Mon 8 Sep and covers 61 of 96 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32541, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-09-08T17:53:46+01:00", "utc": "2003-09-08T16:53:46Z", "ms": 1063040025699.4503 }, "end": { "local": "2003-09-09T17:31:06+01:00", "utc": "2003-09-09T16:31:06Z", "ms": 1063125066075.6951 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2003-09-08T17:53:46+01:00", "utc": "2003-09-08T16:53:46Z", "ms": 1063040025699.4503 }, "end": { "local": "2003-09-09T17:31:06+01:00", "utc": "2003-09-09T16:31:06Z", "ms": 1063125066075.6951 } }, "kaala": "udaya-3", "days": [ { "local_date": "2003-09-08", "window": { "start": { "local": "2003-09-08T06:05:26+01:00", "utc": "2003-09-08T05:05:26Z", "ms": 1062997526327.7985 }, "end": { "local": "2003-09-08T08:29:14+01:00", "utc": "2003-09-08T07:29:14Z", "ms": 1063006154301.5063 } }, "covered_min": 0, "window_min": 144, "qualifies": false }, { "local_date": "2003-09-09", "window": { "start": { "local": "2003-09-09T06:04:52+01:00", "utc": "2003-09-09T05:04:52Z", "ms": 1063083891577.8525 }, "end": { "local": "2003-09-09T08:28:45+01:00", "utc": "2003-09-09T07:28:45Z", "ms": 1063092525151.6405 } }, "covered_min": 144, "window_min": 144, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:54 on Mon 8 Sep to 17:31 on Tue 9 Sep.", "fact": "2003-09-08T16:53:46Z → 2003-09-09T16:31:06Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:05–08:29 on the 8th, 06:05–08:29 on the 9th.", "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 144 minutes on the 8th and 144 of 144 on the 9th.", "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 32541 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Luanda, 2003: Tuesday 9 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": "2003-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-09", "confidence": "determinate" } ], "quote": "In Luanda, Ananta Caturdaśī 2003 falls on Tuesday 9 September. Caturdaśī runs from 17:54 on Mon 8 Sep to 17:31 on Tue 9 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/sankashta-chaturthi?on=2003-09-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2417, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-09-13T21:05:17+01:00", "utc": "2003-09-13T20:05:17Z", "ms": 1063483516897.454 }, "end": { "local": "2003-09-14T23:16:15+01:00", "utc": "2003-09-14T22:16:15Z", "ms": 1063577775102.8872 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-09-13T21:05:17+01:00", "utc": "2003-09-13T20:05:17Z", "ms": 1063483516897.454 }, "end": { "local": "2003-09-14T23:16:15+01:00", "utc": "2003-09-14T22:16:15Z", "ms": 1063577775102.8872 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-09-13", "window": { "start": { "local": "2003-09-13T20:25:00+01:00", "utc": "2003-09-13T19:25:00Z", "ms": 1063481099743.6151 }, "end": { "local": "2003-09-13T20:25:00+01:00", "utc": "2003-09-13T19:25:00Z", "ms": 1063481099743.6151 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-09-14", "window": { "start": { "local": "2003-09-14T21:10:08+01:00", "utc": "2003-09-14T20:10:08Z", "ms": 1063570207618.742 }, "end": { "local": "2003-09-14T21:10:08+01:00", "utc": "2003-09-14T20:10:08Z", "ms": 1063570207618.742 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:05 on Sat 13 Sep to 23:16 on Sun 14 Sep.", "fact": "2003-09-13T20:05:17Z → 2003-09-14T22:16:15Z" }, { "step": "kaala", "text": "Moonrise is at 20:25 on the 13th and 21:10 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2417 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2003: Sunday 14 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": "2003-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-14", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2003 falls on Sunday 14 September. Caturthī runs from 21:05 on Sat 13 Sep to 23:16 on Sun 14 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/sankashta-chaturthi?on=2003-09-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13834, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2003-09-16T01:47:00+01:00", "utc": "2003-09-16T00:47:00Z", "ms": 1063673220487.1609 }, "end": { "local": "2003-09-17T04:25:04+01:00", "utc": "2003-09-17T03:25:04Z", "ms": 1063769103910.0503 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-09-16T01:47:00+01:00", "utc": "2003-09-16T00:47:00Z", "ms": 1063673220487.1609 }, "end": { "local": "2003-09-17T04:25:04+01:00", "utc": "2003-09-17T03:25:04Z", "ms": 1063769103910.0503 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-09-15", "window": { "start": { "local": "2003-09-15T21:56:26+01:00", "utc": "2003-09-15T20:56:26Z", "ms": 1063659386151.0415 }, "end": { "local": "2003-09-15T21:56:26+01:00", "utc": "2003-09-15T20:56:26Z", "ms": 1063659386151.0415 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-09-16", "window": { "start": { "local": "2003-09-16T22:44:29+01:00", "utc": "2003-09-16T21:44:29Z", "ms": 1063748668815.5217 }, "end": { "local": "2003-09-16T22:44:29+01:00", "utc": "2003-09-16T21:44:29Z", "ms": 1063748668815.5217 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:47 on Tue 16 Sep to 04:25 on Wed 17 Sep.", "fact": "2003-09-16T00:47:00Z → 2003-09-17T03:25:04Z" }, { "step": "kaala", "text": "Moonrise is at 21:56 on the 15th and 22:44 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13834 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Luanda, 2003: Tuesday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-16", "confidence": "determinate" } ], "quote": "In Luanda, Candra Ṣaṣṭhī 2003 falls on Tuesday 16 September. Ṣaṣṭhī runs from 01:47 on Tue 16 Sep to 04:25 on Wed 17 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32420, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2003-09-18T06:55:25+01:00", "utc": "2003-09-18T05:55:25Z", "ms": 1063864525251.8252 }, "end": { "local": "2003-09-19T09:02:50+01:00", "utc": "2003-09-19T08:02:50Z", "ms": 1063958569572.1041 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-09-18T06:55:25+01:00", "utc": "2003-09-18T05:55:25Z", "ms": 1063864525251.8252 }, "end": { "local": "2003-09-19T09:02:50+01:00", "utc": "2003-09-19T08:02:50Z", "ms": 1063958569572.1041 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-09-18", "window": { "start": { "local": "2003-09-18T18:03:16+01:00", "utc": "2003-09-18T17:03:16Z", "ms": 1063904596217.8434 }, "end": { "local": "2003-09-18T19:38:42+01:00", "utc": "2003-09-18T18:38:42Z", "ms": 1063910321565.7589 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "2003-09-19", "window": { "start": { "local": "2003-09-19T18:03:09+01:00", "utc": "2003-09-19T17:03:09Z", "ms": 1063990989279.3702 }, "end": { "local": "2003-09-19T19:38:31+01:00", "utc": "2003-09-19T18:38:31Z", "ms": 1063996710781.6482 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:55 on Thu 18 Sep to 09:03 on Fri 19 Sep.", "fact": "2003-09-18T05:55:25Z → 2003-09-19T08:02:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:39 on the 18th, 18:03–19:39 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 95 of 95 minutes on the 18th and 0 of 95 on the 19th.", "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 32420 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Luanda, 2003: Thursday 18 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-18", "confidence": "determinate" } ], "quote": "In Luanda, Jitāṣṭamī (Jitiya) 2003 falls on Thursday 18 September. Aṣṭamī runs from 06:55 on Thu 18 Sep to 09:03 on Fri 19 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26456, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2003-09-18T06:55:25+01:00", "utc": "2003-09-18T05:55:25Z", "ms": 1063864525251.8252 }, "end": { "local": "2003-09-19T09:02:50+01:00", "utc": "2003-09-19T08:02:50Z", "ms": 1063958569572.1041 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-09-18T06:55:25+01:00", "utc": "2003-09-18T05:55:25Z", "ms": 1063864525251.8252 }, "end": { "local": "2003-09-19T09:02:50+01:00", "utc": "2003-09-19T08:02:50Z", "ms": 1063958569572.1041 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-09-17", "window": { "start": { "local": "2003-09-17T23:34:29+01:00", "utc": "2003-09-17T22:34:29Z", "ms": 1063838068966.1028 }, "end": { "local": "2003-09-17T23:34:29+01:00", "utc": "2003-09-17T22:34:29Z", "ms": 1063838068966.1028 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-09-18", "window": { "start": { "local": "2003-09-19T00:26:13+01:00", "utc": "2003-09-18T23:26:13Z", "ms": 1063927572638.8181 }, "end": { "local": "2003-09-19T00:26:13+01:00", "utc": "2003-09-18T23:26:13Z", "ms": 1063927572638.8181 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:55 on Thu 18 Sep to 09:03 on Fri 19 Sep.", "fact": "2003-09-18T05:55:25Z → 2003-09-19T08:02:50Z" }, { "step": "kaala", "text": "Moonrise is at 23:34 on the 17th and 00:26 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26456 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Luanda, 2003: Thursday 18 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-18", "confidence": "determinate" } ], "quote": "In Luanda, Mahālakṣmī Vrata Samāpana 2003 falls on Thursday 18 September. Aṣṭamī runs from 06:55 on Thu 18 Sep to 09:03 on Fri 19 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-09-22", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19297, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-09-21T11:20:53+01:00", "utc": "2003-09-21T10:20:53Z", "ms": 1064139653125.222 }, "end": { "local": "2003-09-22T11:18:46+01:00", "utc": "2003-09-22T10:18:46Z", "ms": 1064225926004.0059 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-09-21T11:20:53+01:00", "utc": "2003-09-21T10:20:53Z", "ms": 1064139653125.222 }, "end": { "local": "2003-09-22T11:18:46+01:00", "utc": "2003-09-22T10:18:46Z", "ms": 1064225926004.0059 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-09-21", "window": { "start": { "local": "2003-09-21T05:57:45+01:00", "utc": "2003-09-21T04:57:45Z", "ms": 1064120264810.0834 }, "end": { "local": "2003-09-21T05:57:45+01:00", "utc": "2003-09-21T04:57:45Z", "ms": 1064120264810.0834 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-09-22", "window": { "start": { "local": "2003-09-22T05:57:09+01:00", "utc": "2003-09-22T04:57:09Z", "ms": 1064206629139.6422 }, "end": { "local": "2003-09-22T05:57:09+01:00", "utc": "2003-09-22T04:57:09Z", "ms": 1064206629139.6422 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:21 on Sun 21 Sep to 11:19 on Mon 22 Sep.", "fact": "2003-09-21T10:20:53Z → 2003-09-22T10:18:46Z" }, { "step": "kaala", "text": "Sunrise is at 05:58 on the 21st and 05:57 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 19297 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Luanda, 2003: Monday 22 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": "2003-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-22", "confidence": "determinate" } ], "quote": "In Luanda, Indirā Ekādaśī 2003 falls on Monday 22 September. Ekādaśī runs from 11:21 on Sun 21 Sep to 11:19 on Mon 22 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-09-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-09-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27238, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-09-23T10:28:44+01:00", "utc": "2003-09-23T09:28:44Z", "ms": 1064309324095.5195 }, "end": { "local": "2003-09-24T08:55:24+01:00", "utc": "2003-09-24T07:55:24Z", "ms": 1064390124041.8572 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-09-23T10:28:44+01:00", "utc": "2003-09-23T09:28:44Z", "ms": 1064309324095.5195 }, "end": { "local": "2003-09-24T08:55:24+01:00", "utc": "2003-09-24T07:55:24Z", "ms": 1064390124041.8572 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-09-23", "window": { "start": { "local": "2003-09-23T18:02:43+01:00", "utc": "2003-09-23T17:02:43Z", "ms": 1064336562558.8716 }, "end": { "local": "2003-09-23T19:37:49+01:00", "utc": "2003-09-23T18:37:49Z", "ms": 1064342268628.3391 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "2003-09-24", "window": { "start": { "local": "2003-09-24T18:02:36+01:00", "utc": "2003-09-24T17:02:36Z", "ms": 1064422956219.3451 }, "end": { "local": "2003-09-24T19:37:38+01:00", "utc": "2003-09-24T18:37:38Z", "ms": 1064428658420.8396 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:29 on Tue 23 Sep to 08:55 on Wed 24 Sep.", "fact": "2003-09-23T09:28:44Z → 2003-09-24T07:55:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:38 on the 23rd, 18:03–19:38 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 95 of 95 minutes on the 23rd and 0 of 95 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 27238 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2003: Tuesday 23 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": "2003-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-23", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2003 falls on Tuesday 23 September. Trayodaśī runs from 10:29 on Tue 23 Sep to 08:55 on Wed 24 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-09-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/shivaratri?on=2003-09-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22980, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-09-24T08:55:24+01:00", "utc": "2003-09-24T07:55:24Z", "ms": 1064390124041.8572 }, "end": { "local": "2003-09-25T06:45:59+01:00", "utc": "2003-09-25T05:45:59Z", "ms": 1064468759040.1119 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-09-24T08:55:24+01:00", "utc": "2003-09-24T07:55:24Z", "ms": 1064390124041.8572 }, "end": { "local": "2003-09-25T06:45:59+01:00", "utc": "2003-09-25T05:45:59Z", "ms": 1064468759040.1119 } }, "kaala": "nishita", "days": [ { "local_date": "2003-09-23", "window": { "start": { "local": "2003-09-23T23:35:20+01:00", "utc": "2003-09-23T22:35:20Z", "ms": 1064356520319.3749 }, "end": { "local": "2003-09-24T00:23:20+01:00", "utc": "2003-09-23T23:23:20Z", "ms": 1064359400319.3749 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-09-24", "window": { "start": { "local": "2003-09-24T23:34:59+01:00", "utc": "2003-09-24T22:34:59Z", "ms": 1064442899474.9493 }, "end": { "local": "2003-09-25T00:22:59+01:00", "utc": "2003-09-24T23:22:59Z", "ms": 1064445779474.9493 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:55 on Wed 24 Sep to 06:46 on Thu 25 Sep.", "fact": "2003-09-24T07:55:24Z → 2003-09-25T05:45:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 23rd, 23:35–00:23 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22980 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2003: Wednesday 24 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": "2003-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-24", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2003 falls on Wednesday 24 September. Caturdaśī runs from 08:55 on Wed 24 Sep to 06:46 on Thu 25 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2003/shivaratri?on=2003-09-24", "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/2003/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23140, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2003-09-25T06:45:59+01:00", "utc": "2003-09-25T05:45:59Z", "ms": 1064468759040.1119 }, "end": { "local": "2003-09-26T04:09:12+01:00", "utc": "2003-09-26T03:09:12Z", "ms": 1064545751913.7961 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-09-25T06:45:59+01:00", "utc": "2003-09-25T05:45:59Z", "ms": 1064468759040.1119 }, "end": { "local": "2003-09-26T04:09:12+01:00", "utc": "2003-09-26T03:09:12Z", "ms": 1064545751913.7961 } }, "kaala": "aparahna", "days": [ { "local_date": "2003-09-25", "window": { "start": { "local": "2003-09-25T13:11:39+01:00", "utc": "2003-09-25T12:11:39Z", "ms": 1064491899120.0277 }, "end": { "local": "2003-09-25T15:37:05+01:00", "utc": "2003-09-25T14:37:05Z", "ms": 1064500624583.1858 } }, "covered_min": 145, "window_min": 145, "qualifies": true }, { "local_date": "2003-09-26", "window": { "start": { "local": "2003-09-26T13:11:21+01:00", "utc": "2003-09-26T12:11:21Z", "ms": 1064578281443.1383 }, "end": { "local": "2003-09-26T15:36:53+01:00", "utc": "2003-09-26T14:36:53Z", "ms": 1064587012748.4655 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 06:46 on Thu 25 Sep to 04:09 on Fri 26 Sep.", "fact": "2003-09-25T05:45:59Z → 2003-09-26T03:09:12Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:12–15:37 on the 25th, 13:11–15:37 on the 26th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 145 of 145 minutes on the 25th and 0 of 146 on the 26th.", "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 23140 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Luanda, 2003: Thursday 25 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-25", "confidence": "determinate" } ], "quote": "In Luanda, Mahālaya Amāvāsyā 2003 falls on Thursday 25 September. Amāvasyā runs from 06:46 on Thu 25 Sep to 04:09 on Fri 26 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26724, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2003-09-26T04:09:12+01:00", "utc": "2003-09-26T03:09:12Z", "ms": 1064545751913.7961 }, "end": { "local": "2003-09-27T01:14:21+01:00", "utc": "2003-09-27T00:14:21Z", "ms": 1064621660563.4099 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-09-26T04:09:12+01:00", "utc": "2003-09-26T03:09:12Z", "ms": 1064545751913.7961 }, "end": { "local": "2003-09-27T01:14:21+01:00", "utc": "2003-09-27T00:14:21Z", "ms": 1064621660563.4099 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-09-26", "window": { "start": { "local": "2003-09-26T11:34:36+01:00", "utc": "2003-09-26T10:34:36Z", "ms": 1064572475790.4749 }, "end": { "local": "2003-09-26T12:22:36+01:00", "utc": "2003-09-26T11:22:36Z", "ms": 1064575355790.4749 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-09-27", "window": { "start": { "local": "2003-09-27T11:34:15+01:00", "utc": "2003-09-27T10:34:15Z", "ms": 1064658855371.7295 }, "end": { "local": "2003-09-27T12:22:15+01:00", "utc": "2003-09-27T11:22:15Z", "ms": 1064661735371.7295 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 04:09 on Fri 26 Sep to 01:14 on Sat 27 Sep.", "fact": "2003-09-26T03:09:12Z → 2003-09-27T00:14:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 26th, 11:34–12:22 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26724 s" }, { "step": "ruling", "text": "Navarātrārambha, Luanda, 2003: Friday 26 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-26", "confidence": "determinate" } ], "quote": "In Luanda, Navarātrārambha (Navratri) 2003 falls on Friday 26 September. Pratipadā runs from 04:09 on Fri 26 Sep to 01:14 on Sat 27 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/vinayaka-chaturthi?on=2003-09-29", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13701, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-09-28T19:06:36+01:00", "utc": "2003-09-28T18:06:36Z", "ms": 1064772396273.3086 }, "end": { "local": "2003-09-29T16:09:56+01:00", "utc": "2003-09-29T15:09:56Z", "ms": 1064848196401.2545 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-09-28T19:06:36+01:00", "utc": "2003-09-28T18:06:36Z", "ms": 1064772396273.3086 }, "end": { "local": "2003-09-29T16:09:56+01:00", "utc": "2003-09-29T15:09:56Z", "ms": 1064848196401.2545 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-09-28", "window": { "start": { "local": "2003-09-28T11:33:55+01:00", "utc": "2003-09-28T10:33:55Z", "ms": 1064745235148.1604 }, "end": { "local": "2003-09-28T12:21:55+01:00", "utc": "2003-09-28T11:21:55Z", "ms": 1064748115148.1604 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-09-29", "window": { "start": { "local": "2003-09-29T11:33:35+01:00", "utc": "2003-09-29T10:33:35Z", "ms": 1064831615136.0183 }, "end": { "local": "2003-09-29T12:21:35+01:00", "utc": "2003-09-29T11:21:35Z", "ms": 1064834495136.0183 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:07 on Sun 28 Sep to 16:10 on Mon 29 Sep.", "fact": "2003-09-28T18:06:36Z → 2003-09-29T15:09:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 28th, 11:34–12:22 on the 29th.", "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 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13701 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2003: Monday 29 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-09-29", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2003 falls on Monday 29 September. Caturthī runs from 19:07 on Sun 28 Sep to 16:10 on Mon 29 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/vinayaka-chaturthi?on=2003-09-29", "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/2003/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8461, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2003-10-01T11:02:51+01:00", "utc": "2003-10-01T10:02:51Z", "ms": 1065002571150.3005 }, "end": { "local": "2003-10-02T09:01:03+01:00", "utc": "2003-10-02T08:01:03Z", "ms": 1065081663089.8074 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-10-01T11:02:51+01:00", "utc": "2003-10-01T10:02:51Z", "ms": 1065002571150.3005 }, "end": { "local": "2003-10-02T09:01:03+01:00", "utc": "2003-10-02T08:01:03Z", "ms": 1065081663089.8074 } }, "kaala": "udaya-1", "days": [ { "local_date": "2003-10-01", "window": { "start": { "local": "2003-10-01T05:51:54+01:00", "utc": "2003-10-01T04:51:54Z", "ms": 1064983914351.4543 }, "end": { "local": "2003-10-01T06:40:35+01:00", "utc": "2003-10-01T05:40:35Z", "ms": 1064986834546.5587 } }, "covered_min": 0, "window_min": 49, "qualifies": false }, { "local_date": "2003-10-02", "window": { "start": { "local": "2003-10-02T05:51:20+01:00", "utc": "2003-10-02T04:51:20Z", "ms": 1065070280421.4473 }, "end": { "local": "2003-10-02T06:40:03+01:00", "utc": "2003-10-02T05:40:03Z", "ms": 1065073202570.9192 } }, "covered_min": 49, "window_min": 49, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 11:03 on Wed 1 Oct to 09:01 on Thu 2 Oct.", "fact": "2003-10-01T10:02:51Z → 2003-10-02T08:01:03Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:52–06:41 on the 1st, 05:51–06:40 on the 2nd.", "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 1st and 49 of 49 on the 2nd.", "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 8461 s" }, { "step": "ruling", "text": "Durgā Saptamī, Luanda, 2003: Thursday 2 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": "2003-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-02", "confidence": "determinate" } ], "quote": "In Luanda, Durgā Saptamī 2003 falls on Thursday 2 October. Saptamī runs from 11:03 on Wed 1 Oct to 09:01 on Thu 2 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9093, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2003-10-02T09:01:03+01:00", "utc": "2003-10-02T08:01:03Z", "ms": 1065081663089.8074 }, "end": { "local": "2003-10-03T07:23:55+01:00", "utc": "2003-10-03T06:23:55Z", "ms": 1065162234975.2699 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-10-02T09:01:03+01:00", "utc": "2003-10-02T08:01:03Z", "ms": 1065081663089.8074 }, "end": { "local": "2003-10-03T07:23:55+01:00", "utc": "2003-10-03T06:23:55Z", "ms": 1065162234975.2699 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-10-02", "window": { "start": { "local": "2003-10-02T11:32:37+01:00", "utc": "2003-10-02T10:32:37Z", "ms": 1065090756542.4863 }, "end": { "local": "2003-10-02T12:20:37+01:00", "utc": "2003-10-02T11:20:37Z", "ms": 1065093636542.4863 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-10-03", "window": { "start": { "local": "2003-10-03T11:32:18+01:00", "utc": "2003-10-03T10:32:18Z", "ms": 1065177137555.2849 }, "end": { "local": "2003-10-03T12:20:18+01:00", "utc": "2003-10-03T11:20:18Z", "ms": 1065180017555.2849 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:01 on Thu 2 Oct to 07:24 on Fri 3 Oct.", "fact": "2003-10-02T08:01:03Z → 2003-10-03T06:23:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 2nd, 11:32–12:20 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9093 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Luanda, 2003: Thursday 2 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": "2003-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-02", "confidence": "determinate" } ], "quote": "In Luanda, Mahāṣṭamī (Durga Ashtami) 2003 falls on Thursday 2 October. Aṣṭamī runs from 09:01 on Thu 2 Oct to 07:24 on Fri 3 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14903, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2003-10-03T07:23:55+01:00", "utc": "2003-10-03T06:23:55Z", "ms": 1065162234975.2699 }, "end": { "local": "2003-10-04T06:12:42+01:00", "utc": "2003-10-04T05:12:42Z", "ms": 1065244361697.9236 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-10-03T07:23:55+01:00", "utc": "2003-10-03T06:23:55Z", "ms": 1065162234975.2699 }, "end": { "local": "2003-10-04T06:12:42+01:00", "utc": "2003-10-04T05:12:42Z", "ms": 1065244361697.9236 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-10-03", "window": { "start": { "local": "2003-10-03T11:32:18+01:00", "utc": "2003-10-03T10:32:18Z", "ms": 1065177137555.2849 }, "end": { "local": "2003-10-03T12:20:18+01:00", "utc": "2003-10-03T11:20:18Z", "ms": 1065180017555.2849 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-10-04", "window": { "start": { "local": "2003-10-04T11:31:59+01:00", "utc": "2003-10-04T10:31:59Z", "ms": 1065263518873.9847 }, "end": { "local": "2003-10-04T12:19:59+01:00", "utc": "2003-10-04T11:19:59Z", "ms": 1065266398873.9847 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:24 on Fri 3 Oct to 06:13 on Sat 4 Oct.", "fact": "2003-10-03T06:23:55Z → 2003-10-04T05:12:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 3rd, 11:32–12:20 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14903 s" }, { "step": "ruling", "text": "Mahānavamī, Luanda, 2003: Friday 3 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": "2003-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-03", "confidence": "determinate" } ], "quote": "In Luanda, Mahānavamī 2003 falls on Friday 3 October. Navamī runs from 07:24 on Fri 3 Oct to 06:13 on Sat 4 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1305, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2003-10-04T06:12:42+01:00", "utc": "2003-10-04T05:12:42Z", "ms": 1065244361697.9236 }, "end": { "local": "2003-10-05T05:27:56+01:00", "utc": "2003-10-05T04:27:56Z", "ms": 1065328075910.4492 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2003-10-04T15:44:06+01:00", "utc": "2003-10-04T14:44:06Z", "ms": 1065278646005.3907 }, "end": { "local": "2003-10-05T05:27:56+01:00", "utc": "2003-10-05T04:27:56Z", "ms": 1065328075910.4492 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2003-10-04T15:44:06+01:00", "utc": "2003-10-04T14:44:06Z", "ms": 1065278646005.3907 }, "end": { "local": "2003-10-05T15:50:58+01:00", "utc": "2003-10-05T14:50:58Z", "ms": 1065365458177.8994 } } }, "kaala": "daytime", "days": [ { "local_date": "2003-10-04", "window": { "start": { "local": "2003-10-04T05:50:13+01:00", "utc": "2003-10-04T04:50:13Z", "ms": 1065243013438.5973 }, "end": { "local": "2003-10-04T18:01:44+01:00", "utc": "2003-10-04T17:01:44Z", "ms": 1065286904309.3722 } }, "covered_min": 138, "window_min": 732, "qualifies": true }, { "local_date": "2003-10-05", "window": { "start": { "local": "2003-10-05T05:49:40+01:00", "utc": "2003-10-05T04:49:40Z", "ms": 1065329380432.8773 }, "end": { "local": "2003-10-05T18:01:41+01:00", "utc": "2003-10-05T17:01:41Z", "ms": 1065373300607.4758 } }, "covered_min": 0, "window_min": 732, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 06:13 on Sat 4 Oct to 05:28 on Sun 5 Oct, and Śravaṇa from 15:44 on Sat 4 Oct to 15:51 on Sun 5 Oct. They are together from 15:44 on Sat 4 Oct to 05:28 on Sun 5 Oct.", "fact": "2003-10-04T14:44:06Z → 2003-10-05T04:27:56Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 05:50–18:02 on the 4th, 05:50–18:02 on the 5th.", "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 138 of 732 minutes on the 4th and 0 of 732 on the 5th.", "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 1305 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Luanda, 2003: Saturday 4 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-04", "confidence": "determinate" } ], "quote": "In Luanda, Vijayā Daśamī (Dussehra) 2003 falls on Saturday 4 October. Daśamī runs from 06:13 on Sat 4 Oct to 05:28 on Sun 5 Oct and is with Śravaṇa in the day time that day, for 138 minutes.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-10-05", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1305, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-10-05T05:27:56+01:00", "utc": "2003-10-05T04:27:56Z", "ms": 1065328075910.4492 }, "end": { "local": "2003-10-06T05:09:50+01:00", "utc": "2003-10-06T04:09:50Z", "ms": 1065413390346.509 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-10-05T05:27:56+01:00", "utc": "2003-10-05T04:27:56Z", "ms": 1065328075910.4492 }, "end": { "local": "2003-10-06T05:09:50+01:00", "utc": "2003-10-06T04:09:50Z", "ms": 1065413390346.509 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-10-05", "window": { "start": { "local": "2003-10-05T05:49:40+01:00", "utc": "2003-10-05T04:49:40Z", "ms": 1065329380432.8773 }, "end": { "local": "2003-10-05T05:49:40+01:00", "utc": "2003-10-05T04:49:40Z", "ms": 1065329380432.8773 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-10-06", "window": { "start": { "local": "2003-10-06T05:49:08+01:00", "utc": "2003-10-06T04:49:08Z", "ms": 1065415747783.4105 }, "end": { "local": "2003-10-06T05:49:08+01:00", "utc": "2003-10-06T04:49:08Z", "ms": 1065415747783.4105 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:28 on Sun 5 Oct to 05:10 on Mon 6 Oct.", "fact": "2003-10-05T04:27:56Z → 2003-10-06T04:09:50Z" }, { "step": "kaala", "text": "Sunrise is at 05:50 on the 5th and 05:49 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1305 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Luanda, 2003: Sunday 5 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-05", "confidence": "determinate" } ], "quote": "In Luanda, Pāśāṅkuśā Ekādaśī 2003 falls on Sunday 5 October. Ekādaśī runs from 05:28 on Sun 5 Oct to 05:10 on Mon 6 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-10-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-10-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34962, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-10-07T05:18:35+01:00", "utc": "2003-10-07T04:18:35Z", "ms": 1065500315233.0466 }, "end": { "local": "2003-10-08T05:54:25+01:00", "utc": "2003-10-08T04:54:25Z", "ms": 1065588864833.3881 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2003-10-07T05:18:35+01:00", "utc": "2003-10-07T04:18:35Z", "ms": 1065500315233.0466 }, "end": { "local": "2003-10-08T05:54:25+01:00", "utc": "2003-10-08T04:54:25Z", "ms": 1065588864833.3881 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-10-06", "window": { "start": { "local": "2003-10-06T18:01:37+01:00", "utc": "2003-10-06T17:01:37Z", "ms": 1065459697248.5928 }, "end": { "local": "2003-10-06T19:35:53+01:00", "utc": "2003-10-06T18:35:53Z", "ms": 1065465353017.454 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2003-10-07", "window": { "start": { "local": "2003-10-07T18:01:34+01:00", "utc": "2003-10-07T17:01:34Z", "ms": 1065546094252.8794 }, "end": { "local": "2003-10-07T19:35:46+01:00", "utc": "2003-10-07T18:35:46Z", "ms": 1065551746172.8794 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:19 on Tue 7 Oct to 05:54 on Wed 8 Oct.", "fact": "2003-10-07T04:18:35Z → 2003-10-08T04:54:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:36 on the 6th, 18:02–19:36 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 6th and 94 of 94 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34962 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2003: Tuesday 7 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": "2003-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-07", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2003 falls on Tuesday 7 October. Trayodaśī runs from 05:19 on Tue 7 Oct to 05:54 on Wed 8 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-10-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12672, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-10-13T15:14:48+01:00", "utc": "2003-10-13T14:14:48Z", "ms": 1066054487590.8445 }, "end": { "local": "2003-10-14T17:56:35+01:00", "utc": "2003-10-14T16:56:35Z", "ms": 1066150594784.0753 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-13T15:14:48+01:00", "utc": "2003-10-13T14:14:48Z", "ms": 1066054487590.8445 }, "end": { "local": "2003-10-14T17:56:35+01:00", "utc": "2003-10-14T16:56:35Z", "ms": 1066150594784.0753 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-10-13", "window": { "start": { "local": "2003-10-13T20:38:33+01:00", "utc": "2003-10-13T19:38:33Z", "ms": 1066073912862.6633 }, "end": { "local": "2003-10-13T20:38:33+01:00", "utc": "2003-10-13T19:38:33Z", "ms": 1066073912862.6633 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-10-14", "window": { "start": { "local": "2003-10-14T21:27:46+01:00", "utc": "2003-10-14T20:27:46Z", "ms": 1066163266374.3054 }, "end": { "local": "2003-10-14T21:27:46+01:00", "utc": "2003-10-14T20:27:46Z", "ms": 1066163266374.3054 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:15 on Mon 13 Oct to 17:57 on Tue 14 Oct.", "fact": "2003-10-13T14:14:48Z → 2003-10-14T16:56:35Z" }, { "step": "kaala", "text": "Moonrise is at 20:39 on the 13th and 21:28 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12672 s" }, { "step": "ruling", "text": "Karaka Caturthī, Luanda, 2003: Monday 13 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": "2003-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-13", "confidence": "determinate" } ], "quote": "In Luanda, Karaka Caturthī (Karwa Chauth) 2003 falls on Monday 13 October. Caturthī runs from 15:15 on Mon 13 Oct to 17:57 on Tue 14 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/sankashta-chaturthi?on=2003-10-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12672, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-10-13T15:14:48+01:00", "utc": "2003-10-13T14:14:48Z", "ms": 1066054487590.8445 }, "end": { "local": "2003-10-14T17:56:35+01:00", "utc": "2003-10-14T16:56:35Z", "ms": 1066150594784.0753 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-13T15:14:48+01:00", "utc": "2003-10-13T14:14:48Z", "ms": 1066054487590.8445 }, "end": { "local": "2003-10-14T17:56:35+01:00", "utc": "2003-10-14T16:56:35Z", "ms": 1066150594784.0753 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-10-13", "window": { "start": { "local": "2003-10-13T20:38:33+01:00", "utc": "2003-10-13T19:38:33Z", "ms": 1066073912862.6633 }, "end": { "local": "2003-10-13T20:38:33+01:00", "utc": "2003-10-13T19:38:33Z", "ms": 1066073912862.6633 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-10-14", "window": { "start": { "local": "2003-10-14T21:27:46+01:00", "utc": "2003-10-14T20:27:46Z", "ms": 1066163266374.3054 }, "end": { "local": "2003-10-14T21:27:46+01:00", "utc": "2003-10-14T20:27:46Z", "ms": 1066163266374.3054 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:15 on Mon 13 Oct to 17:57 on Tue 14 Oct.", "fact": "2003-10-13T14:14:48Z → 2003-10-14T16:56:35Z" }, { "step": "kaala", "text": "Moonrise is at 20:39 on the 13th and 21:28 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12672 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2003: Monday 13 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": "2003-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-13", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2003 falls on Monday 13 October. Caturthī runs from 15:15 on Mon 13 Oct to 17:57 on Tue 14 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/sankashta-chaturthi?on=2003-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2818, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2003-10-18T00:49:18+01:00", "utc": "2003-10-17T23:49:18Z", "ms": 1066434558166.1232 }, "end": { "local": "2003-10-19T02:02:14+01:00", "utc": "2003-10-19T01:02:14Z", "ms": 1066525333555.2035 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-18T00:49:18+01:00", "utc": "2003-10-17T23:49:18Z", "ms": 1066434558166.1232 }, "end": { "local": "2003-10-19T02:02:14+01:00", "utc": "2003-10-19T01:02:14Z", "ms": 1066525333555.2035 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-10-17", "window": { "start": { "local": "2003-10-18T00:02:20+01:00", "utc": "2003-10-17T23:02:20Z", "ms": 1066431740157.2229 }, "end": { "local": "2003-10-18T00:02:20+01:00", "utc": "2003-10-17T23:02:20Z", "ms": 1066431740157.2229 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-10-18", "window": { "start": { "local": "2003-10-19T00:53:14+01:00", "utc": "2003-10-18T23:53:14Z", "ms": 1066521193830.0695 }, "end": { "local": "2003-10-19T00:53:14+01:00", "utc": "2003-10-18T23:53:14Z", "ms": 1066521193830.0695 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:49 on Sat 18 Oct to 02:02 on Sun 19 Oct.", "fact": "2003-10-17T23:49:18Z → 2003-10-19T01:02:14Z" }, { "step": "kaala", "text": "Moonrise is at 00:02 on the 17th and 00:53 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2818 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Luanda, 2003: Saturday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-18", "confidence": "determinate" } ], "quote": "In Luanda, Ahoyī Aṣṭamī 2003 falls on Saturday 18 October. Aṣṭamī runs from 00:49 on Sat 18 Oct to 02:02 on Sun 19 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-10-21", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13082, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-10-21T02:03:55+01:00", "utc": "2003-10-21T01:03:55Z", "ms": 1066698235226.3032 }, "end": { "local": "2003-10-22T00:50:42+01:00", "utc": "2003-10-21T23:50:42Z", "ms": 1066780242237.7292 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-21T02:03:55+01:00", "utc": "2003-10-21T01:03:55Z", "ms": 1066698235226.3032 }, "end": { "local": "2003-10-22T00:50:42+01:00", "utc": "2003-10-21T23:50:42Z", "ms": 1066780242237.7292 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-10-21", "window": { "start": { "local": "2003-10-21T05:41:58+01:00", "utc": "2003-10-21T04:41:58Z", "ms": 1066711317535.0728 }, "end": { "local": "2003-10-21T05:41:58+01:00", "utc": "2003-10-21T04:41:58Z", "ms": 1066711317535.0728 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-10-22", "window": { "start": { "local": "2003-10-22T05:41:34+01:00", "utc": "2003-10-22T04:41:34Z", "ms": 1066797693872.3809 }, "end": { "local": "2003-10-22T05:41:34+01:00", "utc": "2003-10-22T04:41:34Z", "ms": 1066797693872.3809 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:04 on Tue 21 Oct to 00:51 on Wed 22 Oct.", "fact": "2003-10-21T01:03:55Z → 2003-10-21T23:50:42Z" }, { "step": "kaala", "text": "Sunrise is at 05:42 on the 21st and 05:42 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13082 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Luanda, 2003: Tuesday 21 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": "2003-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-21", "confidence": "determinate" } ], "quote": "In Luanda, Ramā Ekādaśī 2003 falls on Tuesday 21 October. Ekādaśī runs from 02:04 on Tue 21 Oct to 00:51 on Wed 22 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-10-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11877, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2003-10-22T00:50:42+01:00", "utc": "2003-10-21T23:50:42Z", "ms": 1066780242237.7292 }, "end": { "local": "2003-10-22T22:52:58+01:00", "utc": "2003-10-22T21:52:58Z", "ms": 1066859578086.8937 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-22T00:50:42+01:00", "utc": "2003-10-21T23:50:42Z", "ms": 1066780242237.7292 }, "end": { "local": "2003-10-22T22:52:58+01:00", "utc": "2003-10-22T21:52:58Z", "ms": 1066859578086.8937 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-10-21", "window": { "start": { "local": "2003-10-21T18:01:41+01:00", "utc": "2003-10-21T17:01:41Z", "ms": 1066755701177.4232 }, "end": { "local": "2003-10-21T19:35:00+01:00", "utc": "2003-10-21T18:35:00Z", "ms": 1066761300203.4176 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2003-10-22", "window": { "start": { "local": "2003-10-22T18:01:46+01:00", "utc": "2003-10-22T17:01:46Z", "ms": 1066842105825.2509 }, "end": { "local": "2003-10-22T19:35:01+01:00", "utc": "2003-10-22T18:35:01Z", "ms": 1066847701175.8567 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:51 on Wed 22 Oct to 22:53 on Wed 22 Oct.", "fact": "2003-10-21T23:50:42Z → 2003-10-22T21:52:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:35 on the 21st, 18:02–19:35 on the 22nd.", "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 93 minutes on the 21st and 93 of 93 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11877 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Luanda, 2003: Wednesday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-22", "confidence": "determinate" } ], "quote": "In Luanda, Govatsa Dvādaśī (Vasu Baras) 2003 falls on Wednesday 22 October. Dvādaśī runs from 00:51 on Wed 22 Oct to 22:53 on Wed 22 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2562, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-10-22T22:52:58+01:00", "utc": "2003-10-22T21:52:58Z", "ms": 1066859578086.8937 }, "end": { "local": "2003-10-23T20:17:45+01:00", "utc": "2003-10-23T19:17:45Z", "ms": 1066936664567.6106 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-22T22:52:58+01:00", "utc": "2003-10-22T21:52:58Z", "ms": 1066859578086.8937 }, "end": { "local": "2003-10-23T20:17:45+01:00", "utc": "2003-10-23T19:17:45Z", "ms": 1066936664567.6106 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-10-22", "window": { "start": { "local": "2003-10-22T18:01:46+01:00", "utc": "2003-10-22T17:01:46Z", "ms": 1066842105825.2509 }, "end": { "local": "2003-10-22T19:35:01+01:00", "utc": "2003-10-22T18:35:01Z", "ms": 1066847701175.8567 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2003-10-23", "window": { "start": { "local": "2003-10-23T18:01:51+01:00", "utc": "2003-10-23T17:01:51Z", "ms": 1066928511094.6665 }, "end": { "local": "2003-10-23T19:35:03+01:00", "utc": "2003-10-23T18:35:03Z", "ms": 1066934102788.5614 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:53 on Wed 22 Oct to 20:18 on Thu 23 Oct.", "fact": "2003-10-22T21:52:58Z → 2003-10-23T19:17:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:35 on the 22nd, 18:02–19:35 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 22nd and 93 of 93 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2562 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Luanda, 2003: Thursday 23 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-23", "confidence": "boundary" } ], "quote": "In Luanda, Yama Dīpadāna 2003 falls on Thursday 23 October. Trayodaśī runs from 22:53 on Wed 22 Oct to 20:18 on Thu 23 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/pradosha-vrata?on=2003-10-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2562, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-10-22T22:52:58+01:00", "utc": "2003-10-22T21:52:58Z", "ms": 1066859578086.8937 }, "end": { "local": "2003-10-23T20:17:45+01:00", "utc": "2003-10-23T19:17:45Z", "ms": 1066936664567.6106 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-22T22:52:58+01:00", "utc": "2003-10-22T21:52:58Z", "ms": 1066859578086.8937 }, "end": { "local": "2003-10-23T20:17:45+01:00", "utc": "2003-10-23T19:17:45Z", "ms": 1066936664567.6106 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-10-22", "window": { "start": { "local": "2003-10-22T18:01:46+01:00", "utc": "2003-10-22T17:01:46Z", "ms": 1066842105825.2509 }, "end": { "local": "2003-10-22T19:35:01+01:00", "utc": "2003-10-22T18:35:01Z", "ms": 1066847701175.8567 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2003-10-23", "window": { "start": { "local": "2003-10-23T18:01:51+01:00", "utc": "2003-10-23T17:01:51Z", "ms": 1066928511094.6665 }, "end": { "local": "2003-10-23T19:35:03+01:00", "utc": "2003-10-23T18:35:03Z", "ms": 1066934102788.5614 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:53 on Wed 22 Oct to 20:18 on Thu 23 Oct.", "fact": "2003-10-22T21:52:58Z → 2003-10-23T19:17:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:35 on the 22nd, 18:02–19:35 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 22nd and 93 of 93 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2562 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2003: Thursday 23 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": "2003-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-23", "confidence": "boundary" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2003 falls on Thursday 23 October. Trayodaśī runs from 22:53 on Wed 22 Oct to 20:18 on Thu 23 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-10-23", "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/2003/shivaratri?on=2003-10-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11375, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-10-23T20:17:45+01:00", "utc": "2003-10-23T19:17:45Z", "ms": 1066936664567.6106 }, "end": { "local": "2003-10-24T17:13:41+01:00", "utc": "2003-10-24T16:13:41Z", "ms": 1067012020874.5662 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-23T20:17:45+01:00", "utc": "2003-10-23T19:17:45Z", "ms": 1066936664567.6106 }, "end": { "local": "2003-10-24T17:13:41+01:00", "utc": "2003-10-24T16:13:41Z", "ms": 1067012020874.5662 } }, "kaala": "nishita", "days": [ { "local_date": "2003-10-23", "window": { "start": { "local": "2003-10-23T23:27:20+01:00", "utc": "2003-10-23T22:27:20Z", "ms": 1066948039946.7725 }, "end": { "local": "2003-10-24T00:15:20+01:00", "utc": "2003-10-23T23:15:20Z", "ms": 1066950919946.7725 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-10-24", "window": { "start": { "local": "2003-10-24T23:27:12+01:00", "utc": "2003-10-24T22:27:12Z", "ms": 1067034432206.3401 }, "end": { "local": "2003-10-25T00:15:12+01:00", "utc": "2003-10-24T23:15:12Z", "ms": 1067037312206.3401 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:18 on Thu 23 Oct to 17:14 on Fri 24 Oct.", "fact": "2003-10-23T19:17:45Z → 2003-10-24T16:13:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 23rd, 23:27–00:15 on the 24th.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11375 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2003: Thursday 23 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": "2003-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-23", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2003 falls on Thursday 23 October. Caturdaśī runs from 20:18 on Thu 23 Oct to 17:14 on Fri 24 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2003/shivaratri?on=2003-10-23", "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/2003/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28193, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-10-23T20:17:45+01:00", "utc": "2003-10-23T19:17:45Z", "ms": 1066936664567.6106 }, "end": { "local": "2003-10-24T17:13:41+01:00", "utc": "2003-10-24T16:13:41Z", "ms": 1067012020874.5662 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-23T20:17:45+01:00", "utc": "2003-10-23T19:17:45Z", "ms": 1066936664567.6106 }, "end": { "local": "2003-10-24T17:13:41+01:00", "utc": "2003-10-24T16:13:41Z", "ms": 1067012020874.5662 } }, "kaala": "arunodaya", "days": [ { "local_date": "2003-10-24", "window": { "start": { "local": "2003-10-24T04:07:37+01:00", "utc": "2003-10-24T03:07:37Z", "ms": 1066964857104.9835 }, "end": { "local": "2003-10-24T05:40:49+01:00", "utc": "2003-10-24T04:40:49Z", "ms": 1066970448798.8784 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2003-10-25", "window": { "start": { "local": "2003-10-25T04:07:19+01:00", "utc": "2003-10-25T03:07:19Z", "ms": 1067051239362.8872 }, "end": { "local": "2003-10-25T05:40:27+01:00", "utc": "2003-10-25T04:40:27Z", "ms": 1067056827419.8135 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:18 on Thu 23 Oct to 17:14 on Fri 24 Oct.", "fact": "2003-10-23T19:17:45Z → 2003-10-24T16:13:41Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:08–05:41 on the 24th, 04:07–05:40 on the 25th.", "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 93 of 93 minutes on the 24th and 0 of 93 on the 25th.", "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 28193 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Luanda, 2003: Friday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-24", "confidence": "determinate" } ], "quote": "In Luanda, Naraka Caturdaśī (Choti Diwali) 2003 falls on Friday 24 October. Caturdaśī runs from 20:18 on Thu 23 Oct to 17:14 on Fri 24 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2896, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2003-10-24T17:13:41+01:00", "utc": "2003-10-24T16:13:41Z", "ms": 1067012020874.5662 }, "end": { "local": "2003-10-25T13:50:18+01:00", "utc": "2003-10-25T12:50:18Z", "ms": 1067086218493.7587 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-24T17:13:41+01:00", "utc": "2003-10-24T16:13:41Z", "ms": 1067012020874.5662 }, "end": { "local": "2003-10-25T13:50:18+01:00", "utc": "2003-10-25T12:50:18Z", "ms": 1067086218493.7587 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-10-24", "window": { "start": { "local": "2003-10-24T18:01:57+01:00", "utc": "2003-10-24T17:01:57Z", "ms": 1067014916992.8668 }, "end": { "local": "2003-10-24T19:35:05+01:00", "utc": "2003-10-24T18:35:05Z", "ms": 1067020505049.7931 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2003-10-25", "window": { "start": { "local": "2003-10-25T18:02:04+01:00", "utc": "2003-10-25T17:02:04Z", "ms": 1067101323525.4521 }, "end": { "local": "2003-10-25T19:35:08+01:00", "utc": "2003-10-25T18:35:08Z", "ms": 1067106907966.2622 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:14 on Fri 24 Oct to 13:50 on Sat 25 Oct.", "fact": "2003-10-24T16:13:41Z → 2003-10-25T12:50:18Z" }, { "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": "Amāvasyā must be present during pradoṣa. It covers 93 of 93 minutes on the 24th and 0 of 93 on the 25th.", "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 2896 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Luanda, 2003: Friday 24 October.", "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": "2003-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-24", "confidence": "determinate" } ], "quote": "In Luanda, Lakṣmī Pūjā (Diwali) 2003 falls on Friday 24 October. Amāvasyā runs from 17:14 on Fri 24 Oct to 13:50 on Sat 25 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22411, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2003-10-24T17:13:41+01:00", "utc": "2003-10-24T16:13:41Z", "ms": 1067012020874.5662 }, "end": { "local": "2003-10-25T13:50:18+01:00", "utc": "2003-10-25T12:50:18Z", "ms": 1067086218493.7587 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-24T17:13:41+01:00", "utc": "2003-10-24T16:13:41Z", "ms": 1067012020874.5662 }, "end": { "local": "2003-10-25T13:50:18+01:00", "utc": "2003-10-25T12:50:18Z", "ms": 1067086218493.7587 } }, "kaala": "nishita", "days": [ { "local_date": "2003-10-24", "window": { "start": { "local": "2003-10-24T23:27:12+01:00", "utc": "2003-10-24T22:27:12Z", "ms": 1067034432206.3401 }, "end": { "local": "2003-10-25T00:15:12+01:00", "utc": "2003-10-24T23:15:12Z", "ms": 1067037312206.3401 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-10-25", "window": { "start": { "local": "2003-10-25T23:27:05+01:00", "utc": "2003-10-25T22:27:05Z", "ms": 1067120825178.49 }, "end": { "local": "2003-10-26T00:15:05+01:00", "utc": "2003-10-25T23:15:05Z", "ms": 1067123705178.49 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:14 on Fri 24 Oct to 13:50 on Sat 25 Oct.", "fact": "2003-10-24T16:13:41Z → 2003-10-25T12:50:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 24th, 23:27–00:15 on the 25th.", "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 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22411 s" }, { "step": "ruling", "text": "Kālī Pūjā, Luanda, 2003: Friday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-24", "confidence": "determinate" } ], "quote": "In Luanda, Kālī Pūjā 2003 falls on Friday 24 October. Amāvasyā runs from 17:14 on Fri 24 Oct to 13:50 on Sat 25 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15105, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2003-10-25T13:50:18+01:00", "utc": "2003-10-25T12:50:18Z", "ms": 1067086218493.7587 }, "end": { "local": "2003-10-26T10:17:27+01:00", "utc": "2003-10-26T09:17:27Z", "ms": 1067159847014.2401 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-25T13:50:18+01:00", "utc": "2003-10-25T12:50:18Z", "ms": 1067086218493.7587 }, "end": { "local": "2003-10-26T10:17:27+01:00", "utc": "2003-10-26T09:17:27Z", "ms": 1067159847014.2401 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-10-25", "window": { "start": { "local": "2003-10-25T18:02:04+01:00", "utc": "2003-10-25T17:02:04Z", "ms": 1067101323525.4521 }, "end": { "local": "2003-10-25T19:35:08+01:00", "utc": "2003-10-25T18:35:08Z", "ms": 1067106907966.2622 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2003-10-26", "window": { "start": { "local": "2003-10-26T18:02:11+01:00", "utc": "2003-10-26T17:02:11Z", "ms": 1067187730696.6537 }, "end": { "local": "2003-10-26T19:35:12+01:00", "utc": "2003-10-26T18:35:12Z", "ms": 1067193311543.3746 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:50 on Sat 25 Oct to 10:17 on Sun 26 Oct.", "fact": "2003-10-25T12:50:18Z → 2003-10-26T09:17:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:35 on the 25th, 18:02–19:35 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 93 of 93 minutes on the 25th and 0 of 93 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 15105 s" }, { "step": "ruling", "text": "Bali Pūjā, Luanda, 2003: Saturday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-25", "confidence": "determinate" } ], "quote": "In Luanda, Bali Pūjā 2003 falls on Saturday 25 October. Pratipadā runs from 13:50 on Sat 25 Oct to 10:17 on Sun 26 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4182, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2003-10-25T13:50:18+01:00", "utc": "2003-10-25T12:50:18Z", "ms": 1067086218493.7587 }, "end": { "local": "2003-10-26T10:17:27+01:00", "utc": "2003-10-26T09:17:27Z", "ms": 1067159847014.2401 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-25T13:50:18+01:00", "utc": "2003-10-25T12:50:18Z", "ms": 1067086218493.7587 }, "end": { "local": "2003-10-26T10:17:27+01:00", "utc": "2003-10-26T09:17:27Z", "ms": 1067159847014.2401 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-10-25", "window": { "start": { "local": "2003-10-25T11:27:15+01:00", "utc": "2003-10-25T10:27:15Z", "ms": 1067077635472.6328 }, "end": { "local": "2003-10-25T12:15:15+01:00", "utc": "2003-10-25T11:15:15Z", "ms": 1067080515472.6328 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-10-26", "window": { "start": { "local": "2003-10-26T11:27:09+01:00", "utc": "2003-10-26T10:27:09Z", "ms": 1067164028764.0908 }, "end": { "local": "2003-10-26T12:15:09+01:00", "utc": "2003-10-26T11:15:09Z", "ms": 1067166908764.0908 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:50 on Sat 25 Oct to 10:17 on Sun 26 Oct.", "fact": "2003-10-25T12:50:18Z → 2003-10-26T09:17:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 25th, 11:27–12:15 on the 26th.", "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 25th and 0 of 48 on the 26th.", "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 4182 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Luanda, 2003: Sunday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-26", "confidence": "determinate" } ], "quote": "In Luanda, Govardhana Pūjā 2003 falls on Sunday 26 October. Pratipadā runs from 13:50 on Sat 25 Oct to 10:17 on Sun 26 Oct, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4182, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2003-10-26T10:17:27+01:00", "utc": "2003-10-26T09:17:27Z", "ms": 1067159847014.2401 }, "end": { "local": "2003-10-27T06:44:49+01:00", "utc": "2003-10-27T05:44:49Z", "ms": 1067233488847.2393 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-26T10:17:27+01:00", "utc": "2003-10-26T09:17:27Z", "ms": 1067159847014.2401 }, "end": { "local": "2003-10-27T06:44:49+01:00", "utc": "2003-10-27T05:44:49Z", "ms": 1067233488847.2393 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-10-26", "window": { "start": { "local": "2003-10-26T11:27:09+01:00", "utc": "2003-10-26T10:27:09Z", "ms": 1067164028764.0908 }, "end": { "local": "2003-10-26T12:15:09+01:00", "utc": "2003-10-26T11:15:09Z", "ms": 1067166908764.0908 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-10-27", "window": { "start": { "local": "2003-10-27T11:27:03+01:00", "utc": "2003-10-27T10:27:03Z", "ms": 1067250422778.4119 }, "end": { "local": "2003-10-27T12:15:03+01:00", "utc": "2003-10-27T11:15:03Z", "ms": 1067253302778.4119 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:17 on Sun 26 Oct to 06:45 on Mon 27 Oct.", "fact": "2003-10-26T09:17:27Z → 2003-10-27T05:44:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 26th, 11:27–12:15 on the 27th.", "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 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 4182 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Luanda, 2003: Sunday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-26", "confidence": "determinate" } ], "quote": "In Luanda, Yama Dvitīyā (Bhai Dooj) 2003 falls on Sunday 26 October. Dvitīyā runs from 10:17 on Sun 26 Oct to 06:45 on Mon 27 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1799, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2003-10-25T13:50:18+01:00", "utc": "2003-10-25T12:50:18Z", "ms": 1067086218493.7587 }, "end": { "local": "2003-10-26T10:17:27+01:00", "utc": "2003-10-26T09:17:27Z", "ms": 1067159847014.2401 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-25T13:50:18+01:00", "utc": "2003-10-25T12:50:18Z", "ms": 1067086218493.7587 }, "end": { "local": "2003-10-26T10:17:27+01:00", "utc": "2003-10-26T09:17:27Z", "ms": 1067159847014.2401 } }, "kaala": "purvahna", "days": [ { "local_date": "2003-10-25", "window": { "start": { "local": "2003-10-25T05:40:27+01:00", "utc": "2003-10-25T04:40:27Z", "ms": 1067056827419.8135 }, "end": { "local": "2003-10-25T09:47:39+01:00", "utc": "2003-10-25T08:47:39Z", "ms": 1067071659455.0264 } }, "covered_min": 0, "window_min": 247, "qualifies": false }, { "local_date": "2003-10-26", "window": { "start": { "local": "2003-10-26T05:40:07+01:00", "utc": "2003-10-26T04:40:07Z", "ms": 1067143206831.5278 }, "end": { "local": "2003-10-26T09:47:28+01:00", "utc": "2003-10-26T08:47:28Z", "ms": 1067158048119.9031 } }, "covered_min": 247, "window_min": 247, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:50 on Sat 25 Oct to 10:17 on Sun 26 Oct.", "fact": "2003-10-25T12:50:18Z → 2003-10-26T09:17:27Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:40–09:48 on the 25th, 05:40–09:47 on the 26th.", "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 247 minutes on the 25th and 247 of 247 on the 26th.", "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 1799 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Luanda, 2003: Sunday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-26", "confidence": "determinate" } ], "quote": "In Luanda, Dyūta Pratipad 2003 falls on Sunday 26 October. Pratipadā runs from 13:50 on Sat 25 Oct to 10:17 on Sun 26 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29118, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-10-28T03:21:39+01:00", "utc": "2003-10-28T02:21:39Z", "ms": 1067307699371.4147 }, "end": { "local": "2003-10-29T00:16:29+01:00", "utc": "2003-10-28T23:16:29Z", "ms": 1067382989116.9473 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-28T03:21:39+01:00", "utc": "2003-10-28T02:21:39Z", "ms": 1067307699371.4147 }, "end": { "local": "2003-10-29T00:16:29+01:00", "utc": "2003-10-28T23:16:29Z", "ms": 1067382989116.9473 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-10-28", "window": { "start": { "local": "2003-10-28T11:26:58+01:00", "utc": "2003-10-28T10:26:58Z", "ms": 1067336817523.3872 }, "end": { "local": "2003-10-28T12:14:58+01:00", "utc": "2003-10-28T11:14:58Z", "ms": 1067339697523.3872 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-10-29", "window": { "start": { "local": "2003-10-29T11:26:53+01:00", "utc": "2003-10-29T10:26:53Z", "ms": 1067423213006.9634 }, "end": { "local": "2003-10-29T12:14:53+01:00", "utc": "2003-10-29T11:14:53Z", "ms": 1067426093006.9634 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:22 on Tue 28 Oct to 00:16 on Wed 29 Oct.", "fact": "2003-10-28T02:21:39Z → 2003-10-28T23:16:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 28th, 11:27–12:15 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29118 s" }, { "step": "ruling", "text": "Nāga Caturthī, Luanda, 2003: Tuesday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-28", "confidence": "determinate" } ], "quote": "In Luanda, Nāga Caturthī 2003 falls on Tuesday 28 October. Caturthī runs from 03:22 on Tue 28 Oct to 00:16 on Wed 29 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/vinayaka-chaturthi?on=2003-10-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29118, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-10-28T03:21:39+01:00", "utc": "2003-10-28T02:21:39Z", "ms": 1067307699371.4147 }, "end": { "local": "2003-10-29T00:16:29+01:00", "utc": "2003-10-28T23:16:29Z", "ms": 1067382989116.9473 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-28T03:21:39+01:00", "utc": "2003-10-28T02:21:39Z", "ms": 1067307699371.4147 }, "end": { "local": "2003-10-29T00:16:29+01:00", "utc": "2003-10-28T23:16:29Z", "ms": 1067382989116.9473 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-10-28", "window": { "start": { "local": "2003-10-28T11:26:58+01:00", "utc": "2003-10-28T10:26:58Z", "ms": 1067336817523.3872 }, "end": { "local": "2003-10-28T12:14:58+01:00", "utc": "2003-10-28T11:14:58Z", "ms": 1067339697523.3872 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-10-29", "window": { "start": { "local": "2003-10-29T11:26:53+01:00", "utc": "2003-10-29T10:26:53Z", "ms": 1067423213006.9634 }, "end": { "local": "2003-10-29T12:14:53+01:00", "utc": "2003-10-29T11:14:53Z", "ms": 1067426093006.9634 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:22 on Tue 28 Oct to 00:16 on Wed 29 Oct.", "fact": "2003-10-28T02:21:39Z → 2003-10-28T23:16:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 28th, 11:27–12:15 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29118 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2003: Tuesday 28 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": "2003-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-28", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2003 falls on Tuesday 28 October. Caturthī runs from 03:22 on Tue 28 Oct to 00:16 on Wed 29 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/vinayaka-chaturthi?on=2003-10-28", "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/2003/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26025, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2003-10-29T21:36:46+01:00", "utc": "2003-10-29T20:36:46Z", "ms": 1067459805656.0951 }, "end": { "local": "2003-10-30T19:28:35+01:00", "utc": "2003-10-30T18:28:35Z", "ms": 1067538514579.6068 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-29T21:36:46+01:00", "utc": "2003-10-29T20:36:46Z", "ms": 1067459805656.0951 }, "end": { "local": "2003-10-30T19:28:35+01:00", "utc": "2003-10-30T18:28:35Z", "ms": 1067538514579.6068 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-10-29", "window": { "start": { "local": "2003-10-29T11:26:53+01:00", "utc": "2003-10-29T10:26:53Z", "ms": 1067423213006.9634 }, "end": { "local": "2003-10-29T12:14:53+01:00", "utc": "2003-10-29T11:14:53Z", "ms": 1067426093006.9634 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-10-30", "window": { "start": { "local": "2003-10-30T11:26:49+01:00", "utc": "2003-10-30T10:26:49Z", "ms": 1067509609237.6096 }, "end": { "local": "2003-10-30T12:14:49+01:00", "utc": "2003-10-30T11:14:49Z", "ms": 1067512489237.6096 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:37 on Wed 29 Oct to 19:29 on Thu 30 Oct.", "fact": "2003-10-29T20:36:46Z → 2003-10-30T18:28:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 29th, 11:27–12:15 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26025 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Luanda, 2003: Thursday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-10-30", "confidence": "determinate" } ], "quote": "In Luanda, Sūrya Ṣaṣṭhī (Chhath) 2003 falls on Thursday 30 October. Ṣaṣṭhī runs from 21:37 on Wed 29 Oct to 19:29 on Thu 30 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17272, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2003-10-31T17:56:21+01:00", "utc": "2003-10-31T16:56:21Z", "ms": 1067619381062.1213 }, "end": { "local": "2003-11-01T17:02:36+01:00", "utc": "2003-11-01T16:02:36Z", "ms": 1067702555552.4103 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-10-31T17:56:21+01:00", "utc": "2003-10-31T16:56:21Z", "ms": 1067619381062.1213 }, "end": { "local": "2003-11-01T17:02:36+01:00", "utc": "2003-11-01T16:02:36Z", "ms": 1067702555552.4103 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-10-31", "window": { "start": { "local": "2003-10-31T11:26:46+01:00", "utc": "2003-10-31T10:26:46Z", "ms": 1067596006224.4468 }, "end": { "local": "2003-10-31T12:14:46+01:00", "utc": "2003-10-31T11:14:46Z", "ms": 1067598886224.4468 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-11-01", "window": { "start": { "local": "2003-11-01T11:26:44+01:00", "utc": "2003-11-01T10:26:44Z", "ms": 1067682403977.1398 }, "end": { "local": "2003-11-01T12:14:44+01:00", "utc": "2003-11-01T11:14:44Z", "ms": 1067685283977.1398 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:56 on Fri 31 Oct to 17:03 on Sat 1 Nov.", "fact": "2003-10-31T16:56:21Z → 2003-11-01T16:02:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 31st, 11:27–12:15 on the 1st.", "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 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17272 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Luanda, 2003: Saturday 1 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": "2003-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-01", "confidence": "determinate" } ], "quote": "In Luanda, Gopāṣṭamī 2003 falls on Saturday 1 November. Aṣṭamī runs from 17:56 on Fri 31 Oct to 17:03 on Sat 1 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25278, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2003-11-01T17:02:36+01:00", "utc": "2003-11-01T16:02:36Z", "ms": 1067702555552.4103 }, "end": { "local": "2003-11-02T16:47:48+01:00", "utc": "2003-11-02T15:47:48Z", "ms": 1067788068155.8752 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-11-01T17:02:36+01:00", "utc": "2003-11-01T16:02:36Z", "ms": 1067702555552.4103 }, "end": { "local": "2003-11-02T16:47:48+01:00", "utc": "2003-11-02T15:47:48Z", "ms": 1067788068155.8752 } }, "kaala": "purvahna", "days": [ { "local_date": "2003-11-01", "window": { "start": { "local": "2003-11-01T05:38:21+01:00", "utc": "2003-11-01T04:38:21Z", "ms": 1067661500638.2224 }, "end": { "local": "2003-11-01T09:46:36+01:00", "utc": "2003-11-01T08:46:36Z", "ms": 1067676396197.5006 } }, "covered_min": 0, "window_min": 248, "qualifies": false }, { "local_date": "2003-11-02", "window": { "start": { "local": "2003-11-02T05:38:06+01:00", "utc": "2003-11-02T04:38:06Z", "ms": 1067747885957.4854 }, "end": { "local": "2003-11-02T09:46:30+01:00", "utc": "2003-11-02T08:46:30Z", "ms": 1067762790322.9786 } }, "covered_min": 248, "window_min": 248, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 17:03 on Sat 1 Nov to 16:48 on Sun 2 Nov.", "fact": "2003-11-01T16:02:36Z → 2003-11-02T15:47:48Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:38–09:47 on the 1st, 05:38–09:47 on the 2nd.", "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 248 minutes on the 1st and 248 of 248 on the 2nd.", "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 25278 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Luanda, 2003: Sunday 2 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": "2003-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-02", "confidence": "determinate" } ], "quote": "In Luanda, Akṣaya Navamī (Amla Navami) 2003 falls on Sunday 2 November. Navamī runs from 17:03 on Sat 1 Nov to 16:48 on Sun 2 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16386, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2003-11-01T17:02:36+01:00", "utc": "2003-11-01T16:02:36Z", "ms": 1067702555552.4103 }, "end": { "local": "2003-11-02T16:47:48+01:00", "utc": "2003-11-02T15:47:48Z", "ms": 1067788068155.8752 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-11-01T17:02:36+01:00", "utc": "2003-11-01T16:02:36Z", "ms": 1067702555552.4103 }, "end": { "local": "2003-11-02T16:47:48+01:00", "utc": "2003-11-02T15:47:48Z", "ms": 1067788068155.8752 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-11-01", "window": { "start": { "local": "2003-11-01T11:26:44+01:00", "utc": "2003-11-01T10:26:44Z", "ms": 1067682403977.1398 }, "end": { "local": "2003-11-01T12:14:44+01:00", "utc": "2003-11-01T11:14:44Z", "ms": 1067685283977.1398 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-11-02", "window": { "start": { "local": "2003-11-02T11:26:43+01:00", "utc": "2003-11-02T10:26:43Z", "ms": 1067768802505.7252 }, "end": { "local": "2003-11-02T12:14:43+01:00", "utc": "2003-11-02T11:14:43Z", "ms": 1067771682505.7252 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 17:03 on Sat 1 Nov to 16:48 on Sun 2 Nov.", "fact": "2003-11-01T16:02:36Z → 2003-11-02T15:47:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 1st, 11:27–12:15 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "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 16386 s" }, { "step": "ruling", "text": "Durgā Navamī, Luanda, 2003: Sunday 2 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": "2003-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-02", "confidence": "determinate" } ], "quote": "In Luanda, Durgā Navamī 2003 falls on Sunday 2 November. Navamī runs from 17:03 on Sat 1 Nov to 16:48 on Sun 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-11-04", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41369, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-11-03T17:10:35+01:00", "utc": "2003-11-03T16:10:35Z", "ms": 1067875835283.9467 }, "end": { "local": "2003-11-04T18:07:59+01:00", "utc": "2003-11-04T17:07:59Z", "ms": 1067965678784.521 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-11-03T17:10:35+01:00", "utc": "2003-11-03T16:10:35Z", "ms": 1067875835283.9467 }, "end": { "local": "2003-11-04T18:07:59+01:00", "utc": "2003-11-04T17:07:59Z", "ms": 1067965678784.521 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-11-04", "window": { "start": { "local": "2003-11-04T05:37:39+01:00", "utc": "2003-11-04T04:37:39Z", "ms": 1067920659317.3011 }, "end": { "local": "2003-11-04T05:37:39+01:00", "utc": "2003-11-04T04:37:39Z", "ms": 1067920659317.3011 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-11-05", "window": { "start": { "local": "2003-11-05T05:37:27+01:00", "utc": "2003-11-05T04:37:27Z", "ms": 1068007047388.1495 }, "end": { "local": "2003-11-05T05:37:27+01:00", "utc": "2003-11-05T04:37:27Z", "ms": 1068007047388.1495 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:11 on Mon 3 Nov to 18:08 on Tue 4 Nov.", "fact": "2003-11-03T16:10:35Z → 2003-11-04T17:07:59Z" }, { "step": "kaala", "text": "Sunrise is at 05:38 on the 4th and 05:37 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 41369 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Luanda, 2003: Tuesday 4 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": "2003-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-04", "confidence": "determinate" } ], "quote": "In Luanda, Prabodhinī Ekādaśī 2003 falls on Tuesday 4 November. Ekādaśī runs from 17:11 on Mon 3 Nov to 18:08 on Tue 4 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-11-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-11-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-06", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 32, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-11-05T19:35:53+01:00", "utc": "2003-11-05T18:35:53Z", "ms": 1068057353127.3602 }, "end": { "local": "2003-11-06T21:29:33+01:00", "utc": "2003-11-06T20:29:33Z", "ms": 1068150572608.5312 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-11-05T19:35:53+01:00", "utc": "2003-11-05T18:35:53Z", "ms": 1068057353127.3602 }, "end": { "local": "2003-11-06T21:29:33+01:00", "utc": "2003-11-06T20:29:33Z", "ms": 1068150572608.5312 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-11-05", "window": { "start": { "local": "2003-11-05T18:03:58+01:00", "utc": "2003-11-05T17:03:58Z", "ms": 1068051838307.3473 }, "end": { "local": "2003-11-05T19:36:25+01:00", "utc": "2003-11-05T18:36:25Z", "ms": 1068057384720.4987 } }, "covered_min": 1, "window_min": 92, "qualifies": true }, { "local_date": "2003-11-06", "window": { "start": { "local": "2003-11-06T18:04:13+01:00", "utc": "2003-11-06T17:04:13Z", "ms": 1068138252752.9915 }, "end": { "local": "2003-11-06T19:36:36+01:00", "utc": "2003-11-06T18:36:36Z", "ms": 1068143795903.9249 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:36 on Wed 5 Nov to 21:30 on Thu 6 Nov.", "fact": "2003-11-05T18:35:53Z → 2003-11-06T20:29:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:36 on the 5th, 18:04–19:37 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 1 of 92 minutes on the 5th and 92 of 92 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 32 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2003: Thursday 6 November.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-11-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-06", "confidence": "boundary" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2003 falls on Thursday 6 November. Trayodaśī runs from 19:36 on Wed 5 Nov to 21:30 on Thu 6 Nov and covers all of pradoṣa that evening. It also reaches the previous evening for 1 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 32 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-11-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33213, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-11-07T23:43:50+01:00", "utc": "2003-11-07T22:43:50Z", "ms": 1068245030084.5391 }, "end": { "local": "2003-11-09T02:13:22+01:00", "utc": "2003-11-09T01:13:22Z", "ms": 1068340401919.6833 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-11-07T23:43:50+01:00", "utc": "2003-11-07T22:43:50Z", "ms": 1068245030084.5391 }, "end": { "local": "2003-11-09T02:13:22+01:00", "utc": "2003-11-09T01:13:22Z", "ms": 1068340401919.6833 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-11-08", "window": { "start": { "local": "2003-11-08T11:26:51+01:00", "utc": "2003-11-08T10:26:51Z", "ms": 1068287210522.4551 }, "end": { "local": "2003-11-08T12:14:51+01:00", "utc": "2003-11-08T11:14:51Z", "ms": 1068290090522.4551 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-11-09", "window": { "start": { "local": "2003-11-09T11:26:55+01:00", "utc": "2003-11-09T10:26:55Z", "ms": 1068373614748.8685 }, "end": { "local": "2003-11-09T12:14:55+01:00", "utc": "2003-11-09T11:14:55Z", "ms": 1068376494748.8685 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:44 on Fri 7 Nov to 02:13 on Sun 9 Nov.", "fact": "2003-11-07T22:43:50Z → 2003-11-09T01:13:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 8th, 11:27–12:15 on the 9th.", "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 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33213 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Luanda, 2003: Saturday 8 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": "2003-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-08", "confidence": "determinate" } ], "quote": "In Luanda, Kārtikī Pūrṇimā 2003 falls on Saturday 8 November. Pūrṇimā runs from 23:44 on Fri 7 Nov to 02:13 on Sun 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1027, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-11-07T23:43:50+01:00", "utc": "2003-11-07T22:43:50Z", "ms": 1068245030084.5391 }, "end": { "local": "2003-11-09T02:13:22+01:00", "utc": "2003-11-09T01:13:22Z", "ms": 1068340401919.6833 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2003-11-07T23:43:50+01:00", "utc": "2003-11-07T22:43:50Z", "ms": 1068245030084.5391 }, "end": { "local": "2003-11-09T02:13:22+01:00", "utc": "2003-11-09T01:13:22Z", "ms": 1068340401919.6833 } }, "kaala": "nishita", "days": [ { "local_date": "2003-11-07", "window": { "start": { "local": "2003-11-07T23:26:43+01:00", "utc": "2003-11-07T22:26:43Z", "ms": 1068244002611.9513 }, "end": { "local": "2003-11-08T00:14:43+01:00", "utc": "2003-11-07T23:14:43Z", "ms": 1068246882611.9513 } }, "covered_min": 31, "window_min": 48, "qualifies": true }, { "local_date": "2003-11-08", "window": { "start": { "local": "2003-11-08T23:26:46+01:00", "utc": "2003-11-08T22:26:46Z", "ms": 1068330406493.197 }, "end": { "local": "2003-11-09T00:14:46+01:00", "utc": "2003-11-08T23:14:46Z", "ms": 1068333286493.197 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:44 on Fri 7 Nov to 02:13 on Sun 9 Nov.", "fact": "2003-11-07T22:43:50Z → 2003-11-09T01:13:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 7th, 23:27–00:15 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 31 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both nights qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1027 s" }, { "step": "ruling", "text": "Rāsayātrā, Luanda, 2003: Saturday 8 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": "2003-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-08", "confidence": "determinate" } ], "quote": "In Luanda, Rāsayātrā 2003 falls on Saturday 8 November. Pūrṇimā runs from 23:44 on Fri 7 Nov to 02:13 on Sun 9 Nov and covers all of niśītha that night. It also reaches the previous night for 31 minutes; by the rule the second night is taken.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/sankashta-chaturthi?on=2003-11-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33639, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-11-12T10:11:33+01:00", "utc": "2003-11-12T09:11:33Z", "ms": 1068628292871.5856 }, "end": { "local": "2003-11-13T12:36:00+01:00", "utc": "2003-11-13T11:36:00Z", "ms": 1068723360029.6647 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-11-12T10:11:33+01:00", "utc": "2003-11-12T09:11:33Z", "ms": 1068628292871.5856 }, "end": { "local": "2003-11-13T12:36:00+01:00", "utc": "2003-11-13T11:36:00Z", "ms": 1068723360029.6647 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-11-12", "window": { "start": { "local": "2003-11-12T21:05:01+01:00", "utc": "2003-11-12T20:05:01Z", "ms": 1068667501155.9127 }, "end": { "local": "2003-11-12T21:05:01+01:00", "utc": "2003-11-12T20:05:01Z", "ms": 1068667501155.9127 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-11-13", "window": { "start": { "local": "2003-11-13T21:56:39+01:00", "utc": "2003-11-13T20:56:39Z", "ms": 1068756998574.8524 }, "end": { "local": "2003-11-13T21:56:39+01:00", "utc": "2003-11-13T20:56:39Z", "ms": 1068756998574.8524 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:12 on Wed 12 Nov to 12:36 on Thu 13 Nov.", "fact": "2003-11-12T09:11:33Z → 2003-11-13T11:36:00Z" }, { "step": "kaala", "text": "Moonrise is at 21:05 on the 12th and 21:57 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 12th and is not on the 13th.", "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 33639 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2003: Wednesday 12 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": "2003-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-12", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2003 falls on Wednesday 12 November. Caturthī runs from 10:12 on Wed 12 Nov to 12:36 on Thu 13 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/sankashta-chaturthi?on=2003-11-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/ekadashi?on=2003-11-20", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27205, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-11-19T15:15:10+01:00", "utc": "2003-11-19T14:15:10Z", "ms": 1069251310419.0679 }, "end": { "local": "2003-11-20T13:09:53+01:00", "utc": "2003-11-20T12:09:53Z", "ms": 1069330193457.7513 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-11-19T15:15:10+01:00", "utc": "2003-11-19T14:15:10Z", "ms": 1069251310419.0679 }, "end": { "local": "2003-11-20T13:09:53+01:00", "utc": "2003-11-20T12:09:53Z", "ms": 1069330193457.7513 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-11-19", "window": { "start": { "local": "2003-11-19T05:36:25+01:00", "utc": "2003-11-19T04:36:25Z", "ms": 1069216585212.8062 }, "end": { "local": "2003-11-19T05:36:25+01:00", "utc": "2003-11-19T04:36:25Z", "ms": 1069216585212.8062 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-11-20", "window": { "start": { "local": "2003-11-20T05:36:29+01:00", "utc": "2003-11-20T04:36:29Z", "ms": 1069302988596.3296 }, "end": { "local": "2003-11-20T05:36:29+01:00", "utc": "2003-11-20T04:36:29Z", "ms": 1069302988596.3296 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:15 on Wed 19 Nov to 13:10 on Thu 20 Nov.", "fact": "2003-11-19T14:15:10Z → 2003-11-20T12:09:53Z" }, { "step": "kaala", "text": "Sunrise is at 05:36 on the 19th and 05:36 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27205 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Luanda, 2003: Thursday 20 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": "2003-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-20", "confidence": "determinate" } ], "quote": "In Luanda, Utpannā Ekādaśī 2003 falls on Thursday 20 November. Ekādaśī runs from 15:15 on Wed 19 Nov to 13:10 on Thu 20 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-11-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27700, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-11-21T10:27:31+01:00", "utc": "2003-11-21T09:27:31Z", "ms": 1069406850667.7955 }, "end": { "local": "2003-11-22T07:15:33+01:00", "utc": "2003-11-22T06:15:33Z", "ms": 1069481732921.2634 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-11-21T10:27:31+01:00", "utc": "2003-11-21T09:27:31Z", "ms": 1069406850667.7955 }, "end": { "local": "2003-11-22T07:15:33+01:00", "utc": "2003-11-22T06:15:33Z", "ms": 1069481732921.2634 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-11-21", "window": { "start": { "local": "2003-11-21T18:09:11+01:00", "utc": "2003-11-21T17:09:11Z", "ms": 1069434551079.7932 }, "end": { "local": "2003-11-21T19:40:51+01:00", "utc": "2003-11-21T18:40:51Z", "ms": 1069440050740.5231 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2003-11-22", "window": { "start": { "local": "2003-11-22T18:09:36+01:00", "utc": "2003-11-22T17:09:36Z", "ms": 1069520976115.5123 }, "end": { "local": "2003-11-22T19:41:13+01:00", "utc": "2003-11-22T18:41:13Z", "ms": 1069526473310.5234 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:28 on Fri 21 Nov to 07:16 on Sat 22 Nov.", "fact": "2003-11-21T09:27:31Z → 2003-11-22T06:15:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:41 on the 21st, 18:10–19:41 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 21st and 0 of 92 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27700 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2003: Friday 21 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": "2003-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-21", "confidence": "determinate" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2003 falls on Friday 21 November. Trayodaśī runs from 10:28 on Fri 21 Nov to 07:16 on Sat 22 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-11-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/shivaratri?on=2003-11-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12338, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-11-22T07:15:33+01:00", "utc": "2003-11-22T06:15:33Z", "ms": 1069481732921.2634 }, "end": { "local": "2003-11-23T03:42:49+01:00", "utc": "2003-11-23T02:42:49Z", "ms": 1069555368805.3325 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-11-22T07:15:33+01:00", "utc": "2003-11-22T06:15:33Z", "ms": 1069481732921.2634 }, "end": { "local": "2003-11-23T03:42:49+01:00", "utc": "2003-11-23T02:42:49Z", "ms": 1069555368805.3325 } }, "kaala": "nishita", "days": [ { "local_date": "2003-11-21", "window": { "start": { "local": "2003-11-21T23:28:55+01:00", "utc": "2003-11-21T22:28:55Z", "ms": 1069453734807.5304 }, "end": { "local": "2003-11-22T00:16:55+01:00", "utc": "2003-11-21T23:16:55Z", "ms": 1069456614807.5304 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-11-22", "window": { "start": { "local": "2003-11-22T23:29:11+01:00", "utc": "2003-11-22T22:29:11Z", "ms": 1069540150596.8037 }, "end": { "local": "2003-11-23T00:17:11+01:00", "utc": "2003-11-22T23:17:11Z", "ms": 1069543030596.8037 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:16 on Sat 22 Nov to 03:43 on Sun 23 Nov.", "fact": "2003-11-22T06:15:33Z → 2003-11-23T02:42:49Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:29–00:17 on the 21st, 23:29–00:17 on the 22nd.", "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 21st and 48 of 48 on the 22nd.", "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 12338 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2003: Saturday 22 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": "2003-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-22", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2003 falls on Saturday 22 November. Caturdaśī runs from 07:16 on Sat 22 Nov to 03:43 on Sun 23 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2003/shivaratri?on=2003-11-22", "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/2003/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3376, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2003-11-27T10:34:19+01:00", "utc": "2003-11-27T09:34:19Z", "ms": 1069925659075.698 }, "end": { "local": "2003-11-28T08:23:42+01:00", "utc": "2003-11-28T07:23:42Z", "ms": 1070004221643.8213 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-11-27T10:34:19+01:00", "utc": "2003-11-27T09:34:19Z", "ms": 1069925659075.698 }, "end": { "local": "2003-11-28T08:23:42+01:00", "utc": "2003-11-28T07:23:42Z", "ms": 1070004221643.8213 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-11-27", "window": { "start": { "local": "2003-11-27T11:30:35+01:00", "utc": "2003-11-27T10:30:35Z", "ms": 1069929035350.7715 }, "end": { "local": "2003-11-27T12:18:35+01:00", "utc": "2003-11-27T11:18:35Z", "ms": 1069931915350.7715 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-11-28", "window": { "start": { "local": "2003-11-28T11:30:55+01:00", "utc": "2003-11-28T10:30:55Z", "ms": 1070015455159.4037 }, "end": { "local": "2003-11-28T12:18:55+01:00", "utc": "2003-11-28T11:18:55Z", "ms": 1070018335159.4037 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:34 on Thu 27 Nov to 08:24 on Fri 28 Nov.", "fact": "2003-11-27T09:34:19Z → 2003-11-28T07:23:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 27th, 11:31–12:19 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3376 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Luanda, 2003: Thursday 27 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-27", "confidence": "boundary" } ], "quote": "In Luanda, Nāga Pañcamī (Mārgaśīrṣa) 2003 falls on Thursday 27 November. Pañcamī runs from 10:34 on Thu 27 Nov to 08:24 on Fri 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/vinayaka-chaturthi?on=2003-11-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3376, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-11-26T13:22:00+01:00", "utc": "2003-11-26T12:22:00Z", "ms": 1069849319705.5376 }, "end": { "local": "2003-11-27T10:34:19+01:00", "utc": "2003-11-27T09:34:19Z", "ms": 1069925659075.698 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-11-26T13:22:00+01:00", "utc": "2003-11-26T12:22:00Z", "ms": 1069849319705.5376 }, "end": { "local": "2003-11-27T10:34:19+01:00", "utc": "2003-11-27T09:34:19Z", "ms": 1069925659075.698 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-11-26", "window": { "start": { "local": "2003-11-26T11:30:16+01:00", "utc": "2003-11-26T10:30:16Z", "ms": 1069842616250.0442 }, "end": { "local": "2003-11-26T12:18:16+01:00", "utc": "2003-11-26T11:18:16Z", "ms": 1069845496250.0442 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2003-11-27", "window": { "start": { "local": "2003-11-27T11:30:35+01:00", "utc": "2003-11-27T10:30:35Z", "ms": 1069929035350.7715 }, "end": { "local": "2003-11-27T12:18:35+01:00", "utc": "2003-11-27T11:18:35Z", "ms": 1069931915350.7715 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:22 on Wed 26 Nov to 10:34 on Thu 27 Nov.", "fact": "2003-11-26T12:22:00Z → 2003-11-27T09:34:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 26th, 11:31–12:19 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 3376 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2003: Thursday 27 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": "2003-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-27", "confidence": "boundary" } ], "quote": "In Luanda, Vināyaka Caturthī 2003 falls on Thursday 27 November. Caturthī runs from 13:22 on Wed 26 Nov to 10:34 on Thu 27 Nov, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/luanda/festivals/2003/vinayaka-chaturthi?on=2003-11-27", "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/2003/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11234, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2003-11-28T08:23:42+01:00", "utc": "2003-11-28T07:23:42Z", "ms": 1070004221643.8213 }, "end": { "local": "2003-11-29T06:56:41+01:00", "utc": "2003-11-29T05:56:41Z", "ms": 1070085400965.338 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-11-28T08:23:42+01:00", "utc": "2003-11-28T07:23:42Z", "ms": 1070004221643.8213 }, "end": { "local": "2003-11-29T06:56:41+01:00", "utc": "2003-11-29T05:56:41Z", "ms": 1070085400965.338 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-11-28", "window": { "start": { "local": "2003-11-28T11:30:55+01:00", "utc": "2003-11-28T10:30:55Z", "ms": 1070015455159.4037 }, "end": { "local": "2003-11-28T12:18:55+01:00", "utc": "2003-11-28T11:18:55Z", "ms": 1070018335159.4037 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-11-29", "window": { "start": { "local": "2003-11-29T11:31:16+01:00", "utc": "2003-11-29T10:31:16Z", "ms": 1070101875656.3099 }, "end": { "local": "2003-11-29T12:19:16+01:00", "utc": "2003-11-29T11:19:16Z", "ms": 1070104755656.3099 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:24 on Fri 28 Nov to 06:57 on Sat 29 Nov.", "fact": "2003-11-28T07:23:42Z → 2003-11-29T05:56:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 28th, 11:31–12:19 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11234 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Luanda, 2003: Friday 28 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-28", "confidence": "determinate" } ], "quote": "In Luanda, Campā Ṣaṣṭhī 2003 falls on Friday 28 November. Ṣaṣṭhī runs from 08:24 on Fri 28 Nov to 06:57 on Sat 29 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11234, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2003-11-28T08:23:42+01:00", "utc": "2003-11-28T07:23:42Z", "ms": 1070004221643.8213 }, "end": { "local": "2003-11-29T06:56:41+01:00", "utc": "2003-11-29T05:56:41Z", "ms": 1070085400965.338 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-11-28T08:23:42+01:00", "utc": "2003-11-28T07:23:42Z", "ms": 1070004221643.8213 }, "end": { "local": "2003-11-29T06:56:41+01:00", "utc": "2003-11-29T05:56:41Z", "ms": 1070085400965.338 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-11-28", "window": { "start": { "local": "2003-11-28T11:30:55+01:00", "utc": "2003-11-28T10:30:55Z", "ms": 1070015455159.4037 }, "end": { "local": "2003-11-28T12:18:55+01:00", "utc": "2003-11-28T11:18:55Z", "ms": 1070018335159.4037 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-11-29", "window": { "start": { "local": "2003-11-29T11:31:16+01:00", "utc": "2003-11-29T10:31:16Z", "ms": 1070101875656.3099 }, "end": { "local": "2003-11-29T12:19:16+01:00", "utc": "2003-11-29T11:19:16Z", "ms": 1070104755656.3099 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:24 on Fri 28 Nov to 06:57 on Sat 29 Nov.", "fact": "2003-11-28T07:23:42Z → 2003-11-29T05:56:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 28th, 11:31–12:19 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11234 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Luanda, 2003: Friday 28 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-28", "confidence": "determinate" } ], "quote": "In Luanda, Skanda Ṣaṣṭhī 2003 falls on Friday 28 November. Ṣaṣṭhī runs from 08:24 on Fri 28 Nov to 06:57 on Sat 29 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16475, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2003-11-29T06:56:41+01:00", "utc": "2003-11-29T05:56:41Z", "ms": 1070085400965.338 }, "end": { "local": "2003-11-30T06:17:21+01:00", "utc": "2003-11-30T05:17:21Z", "ms": 1070169440867.0969 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-11-29T06:56:41+01:00", "utc": "2003-11-29T05:56:41Z", "ms": 1070085400965.338 }, "end": { "local": "2003-11-30T06:17:21+01:00", "utc": "2003-11-30T05:17:21Z", "ms": 1070169440867.0969 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-11-29", "window": { "start": { "local": "2003-11-29T11:31:16+01:00", "utc": "2003-11-29T10:31:16Z", "ms": 1070101875656.3099 }, "end": { "local": "2003-11-29T12:19:16+01:00", "utc": "2003-11-29T11:19:16Z", "ms": 1070104755656.3099 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-11-30", "window": { "start": { "local": "2003-11-30T11:31:37+01:00", "utc": "2003-11-30T10:31:37Z", "ms": 1070188296822.0748 }, "end": { "local": "2003-11-30T12:19:37+01:00", "utc": "2003-11-30T11:19:37Z", "ms": 1070191176822.0748 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:57 on Sat 29 Nov to 06:17 on Sun 30 Nov.", "fact": "2003-11-29T05:56:41Z → 2003-11-30T05:17:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 29th, 11:32–12:20 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16475 s" }, { "step": "ruling", "text": "Mitra Saptamī, Luanda, 2003: Saturday 29 November.", "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": "2003-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-11-29", "confidence": "determinate" } ], "quote": "In Luanda, Mitra Saptamī 2003 falls on Saturday 29 November. Saptamī runs from 06:57 on Sat 29 Nov to 06:17 on Sun 30 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/ekadashi?on=2003-12-04", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11915, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-12-03T08:57:20+01:00", "utc": "2003-12-03T07:57:20Z", "ms": 1070438239994.2792 }, "end": { "local": "2003-12-04T11:04:25+01:00", "utc": "2003-12-04T10:04:25Z", "ms": 1070532265199.7024 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-12-03T08:57:20+01:00", "utc": "2003-12-03T07:57:20Z", "ms": 1070438239994.2792 }, "end": { "local": "2003-12-04T11:04:25+01:00", "utc": "2003-12-04T10:04:25Z", "ms": 1070532265199.7024 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-12-03", "window": { "start": { "local": "2003-12-03T05:38:45+01:00", "utc": "2003-12-03T04:38:45Z", "ms": 1070426325359.471 }, "end": { "local": "2003-12-03T05:38:45+01:00", "utc": "2003-12-03T04:38:45Z", "ms": 1070426325359.471 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-12-04", "window": { "start": { "local": "2003-12-04T05:39:03+01:00", "utc": "2003-12-04T04:39:03Z", "ms": 1070512742573.6027 }, "end": { "local": "2003-12-04T05:39:03+01:00", "utc": "2003-12-04T04:39:03Z", "ms": 1070512742573.6027 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:57 on Wed 3 Dec to 11:04 on Thu 4 Dec.", "fact": "2003-12-03T07:57:20Z → 2003-12-04T10:04:25Z" }, { "step": "kaala", "text": "Sunrise is at 05:39 on the 3rd and 05:39 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11915 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Luanda, 2003: Thursday 4 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": "2003-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-12-04", "confidence": "determinate" } ], "quote": "In Luanda, Mokṣadā Ekādaśī 2003 falls on Thursday 4 December. Ekādaśī runs from 08:57 on Wed 3 Dec to 11:04 on Thu 4 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-12-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1723, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2003-12-04T11:04:25+01:00", "utc": "2003-12-04T10:04:25Z", "ms": 1070532265199.7024 }, "end": { "local": "2003-12-05T13:33:19+01:00", "utc": "2003-12-05T12:33:19Z", "ms": 1070627598613.0161 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-12-04T11:04:25+01:00", "utc": "2003-12-04T10:04:25Z", "ms": 1070532265199.7024 }, "end": { "local": "2003-12-05T13:33:19+01:00", "utc": "2003-12-05T12:33:19Z", "ms": 1070627598613.0161 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-12-04", "window": { "start": { "local": "2003-12-04T11:33:08+01:00", "utc": "2003-12-04T10:33:08Z", "ms": 1070533987779.981 }, "end": { "local": "2003-12-04T12:21:08+01:00", "utc": "2003-12-04T11:21:08Z", "ms": 1070536867779.981 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-12-05", "window": { "start": { "local": "2003-12-05T11:33:32+01:00", "utc": "2003-12-05T10:33:32Z", "ms": 1070620411991.1704 }, "end": { "local": "2003-12-05T12:21:32+01:00", "utc": "2003-12-05T11:21:32Z", "ms": 1070623291991.1704 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:04 on Thu 4 Dec to 13:33 on Fri 5 Dec.", "fact": "2003-12-04T10:04:25Z → 2003-12-05T12:33:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 4th, 11:34–12:22 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1723 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Luanda, 2003: Friday 5 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": "2003-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-12-05", "confidence": "determinate" } ], "quote": "In Luanda, Akhaṇḍa Dvādaśī 2003 falls on Friday 5 December. Dvādaśī runs from 11:04 on Thu 4 Dec to 13:33 on Fri 5 Dec and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/luanda/festivals/2003/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/2003/pradosha-vrata?on=2003-12-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7330, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-12-05T13:33:19+01:00", "utc": "2003-12-05T12:33:19Z", "ms": 1070627598613.0161 }, "end": { "local": "2003-12-06T16:14:04+01:00", "utc": "2003-12-06T15:14:04Z", "ms": 1070723644007.9882 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-12-05T13:33:19+01:00", "utc": "2003-12-05T12:33:19Z", "ms": 1070627598613.0161 }, "end": { "local": "2003-12-06T16:14:04+01:00", "utc": "2003-12-06T15:14:04Z", "ms": 1070723644007.9882 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-12-05", "window": { "start": { "local": "2003-12-05T18:15:43+01:00", "utc": "2003-12-05T17:15:43Z", "ms": 1070644543310.5845 }, "end": { "local": "2003-12-05T19:46:55+01:00", "utc": "2003-12-05T18:46:55Z", "ms": 1070650014820.7737 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2003-12-06", "window": { "start": { "local": "2003-12-06T18:16:14+01:00", "utc": "2003-12-06T17:16:14Z", "ms": 1070730973859.3125 }, "end": { "local": "2003-12-06T19:47:24+01:00", "utc": "2003-12-06T18:47:24Z", "ms": 1070736443938.275 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:33 on Fri 5 Dec to 16:14 on Sat 6 Dec.", "fact": "2003-12-05T12:33:19Z → 2003-12-06T15:14:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:16–19:47 on the 5th, 18:16–19:47 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 5th and 0 of 91 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7330 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Luanda, 2003: Friday 5 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": "2003-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-12-05", "confidence": "determinate" } ], "quote": "In Luanda, Śukla Pradoṣa Vrata 2003 falls on Friday 5 December. Trayodaśī runs from 13:33 on Fri 5 Dec to 16:14 on Sat 6 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-12-08", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2457, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2003-12-07T18:57:42+01:00", "utc": "2003-12-07T17:57:42Z", "ms": 1070819862011.3047 }, "end": { "local": "2003-12-08T21:36:42+01:00", "utc": "2003-12-08T20:36:42Z", "ms": 1070915801533.1113 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-12-07T18:57:42+01:00", "utc": "2003-12-07T17:57:42Z", "ms": 1070819862011.3047 }, "end": { "local": "2003-12-08T21:36:42+01:00", "utc": "2003-12-08T20:36:42Z", "ms": 1070915801533.1113 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-12-07", "window": { "start": { "local": "2003-12-07T18:16:45+01:00", "utc": "2003-12-07T17:16:45Z", "ms": 1070817404605.111 }, "end": { "local": "2003-12-07T19:47:53+01:00", "utc": "2003-12-07T18:47:53Z", "ms": 1070822873337.313 } }, "covered_min": 50, "window_min": 91, "qualifies": true }, { "local_date": "2003-12-08", "window": { "start": { "local": "2003-12-08T18:17:16+01:00", "utc": "2003-12-08T17:17:16Z", "ms": 1070903835520.0302 }, "end": { "local": "2003-12-08T19:48:23+01:00", "utc": "2003-12-08T18:48:23Z", "ms": 1070909302991.0472 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:58 on Sun 7 Dec to 21:37 on Mon 8 Dec.", "fact": "2003-12-07T17:57:42Z → 2003-12-08T20:36:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:48 on the 7th, 18:17–19:48 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 50 of 91 minutes on the 7th and 91 of 91 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2457 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Luanda, 2003: Monday 8 December.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2003-12-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-12-08", "confidence": "boundary" } ], "quote": "In Luanda, Dattātreyotpatti (Datta Jayanti) 2003 falls on Monday 8 December. Pūrṇimā runs from 18:58 on Sun 7 Dec to 21:37 on Mon 8 Dec and covers all of pradoṣa that evening. It also reaches the previous evening for 50 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/2003/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/2003/sankashta-chaturthi?on=2003-12-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26797, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-12-12T04:10:23+01:00", "utc": "2003-12-12T03:10:23Z", "ms": 1071198622918.0348 }, "end": { "local": "2003-12-13T05:38:58+01:00", "utc": "2003-12-13T04:38:58Z", "ms": 1071290338277.706 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-12-12T04:10:23+01:00", "utc": "2003-12-12T03:10:23Z", "ms": 1071198622918.0348 }, "end": { "local": "2003-12-13T05:38:58+01:00", "utc": "2003-12-13T04:38:58Z", "ms": 1071290338277.706 } }, "kaala": "moonrise", "days": [ { "local_date": "2003-12-11", "window": { "start": { "local": "2003-12-11T20:43:46+01:00", "utc": "2003-12-11T19:43:46Z", "ms": 1071171826411.3472 }, "end": { "local": "2003-12-11T20:43:46+01:00", "utc": "2003-12-11T19:43:46Z", "ms": 1071171826411.3472 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2003-12-12", "window": { "start": { "local": "2003-12-12T21:33:03+01:00", "utc": "2003-12-12T20:33:03Z", "ms": 1071261183082.9896 }, "end": { "local": "2003-12-12T21:33:03+01:00", "utc": "2003-12-12T20:33:03Z", "ms": 1071261183082.9896 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:10 on Fri 12 Dec to 05:39 on Sat 13 Dec.", "fact": "2003-12-12T03:10:23Z → 2003-12-13T04:38:58Z" }, { "step": "kaala", "text": "Moonrise is at 20:44 on the 11th and 21:33 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26797 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Luanda, 2003: Friday 12 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": "2003-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-12-12", "confidence": "determinate" } ], "quote": "In Luanda, Saṅkaṣṭa Caturthī 2003 falls on Friday 12 December. Caturthī runs from 04:10 on Fri 12 Dec to 05:39 on Sat 13 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/sankashta-chaturthi?on=2003-12-12", "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/2003/ekadashi?on=2003-12-19", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10463, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2003-12-19T02:50:32+01:00", "utc": "2003-12-19T01:50:32Z", "ms": 1071798632313.7928 }, "end": { "local": "2003-12-20T00:16:39+01:00", "utc": "2003-12-19T23:16:39Z", "ms": 1071875799418.3027 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-12-19T02:50:32+01:00", "utc": "2003-12-19T01:50:32Z", "ms": 1071798632313.7928 }, "end": { "local": "2003-12-20T00:16:39+01:00", "utc": "2003-12-19T23:16:39Z", "ms": 1071875799418.3027 } }, "kaala": "sunrise", "days": [ { "local_date": "2003-12-19", "window": { "start": { "local": "2003-12-19T05:44:56+01:00", "utc": "2003-12-19T04:44:56Z", "ms": 1071809095679.7882 }, "end": { "local": "2003-12-19T05:44:56+01:00", "utc": "2003-12-19T04:44:56Z", "ms": 1071809095679.7882 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2003-12-20", "window": { "start": { "local": "2003-12-20T05:45:24+01:00", "utc": "2003-12-20T04:45:24Z", "ms": 1071895524462.1716 }, "end": { "local": "2003-12-20T05:45:24+01:00", "utc": "2003-12-20T04:45:24Z", "ms": 1071895524462.1716 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:51 on Fri 19 Dec to 00:17 on Sat 20 Dec.", "fact": "2003-12-19T01:50:32Z → 2003-12-19T23:16:39Z" }, { "step": "kaala", "text": "Sunrise is at 05:45 on the 19th and 05:45 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10463 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Luanda, 2003: Friday 19 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": "2003-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-12-19", "confidence": "determinate" } ], "quote": "In Luanda, Saphalā Ekādaśī 2003 falls on Friday 19 December. Ekādaśī runs from 02:51 on Fri 19 Dec to 00:17 on Sat 20 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/luanda/festivals/2003/ekadashi?on=2003-12-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/pradosha-vrata?on=2003-12-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-12-20", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1867, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2003-12-20T21:15:00+01:00", "utc": "2003-12-20T20:15:00Z", "ms": 1071951299885.9689 }, "end": { "local": "2003-12-21T17:52:52+01:00", "utc": "2003-12-21T16:52:52Z", "ms": 1072025571586.962 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-12-20T21:15:00+01:00", "utc": "2003-12-20T20:15:00Z", "ms": 1071951299885.9689 }, "end": { "local": "2003-12-21T17:52:52+01:00", "utc": "2003-12-21T16:52:52Z", "ms": 1072025571586.962 } }, "kaala": "pradosha", "days": [ { "local_date": "2003-12-20", "window": { "start": { "local": "2003-12-20T18:23:29+01:00", "utc": "2003-12-20T17:23:29Z", "ms": 1071941008709.325 }, "end": { "local": "2003-12-20T19:54:28+01:00", "utc": "2003-12-20T18:54:28Z", "ms": 1071946468045.5299 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2003-12-21", "window": { "start": { "local": "2003-12-21T18:23:59+01:00", "utc": "2003-12-21T17:23:59Z", "ms": 1072027438994.8303 }, "end": { "local": "2003-12-21T19:54:58+01:00", "utc": "2003-12-21T18:54:58Z", "ms": 1072032898255.2357 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:15 on Sat 20 Dec to 17:53 on Sun 21 Dec.", "fact": "2003-12-20T20:15:00Z → 2003-12-21T16:52:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–19:54 on the 20th, 18:24–19:55 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 20th and 0 of 91 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1867 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Luanda, 2003: Saturday 20 December.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2003-12-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-12-20", "confidence": "boundary" } ], "quote": "In Luanda, Kṛṣṇa Pradoṣa Vrata 2003 falls on Saturday 20 December. Trayodaśī runs from 21:15 on Sat 20 Dec to 17:53 on Sun 21 Dec, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/luanda/festivals/2003/pradosha-vrata?on=2003-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/shivaratri?on=2003-12-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20900, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2003-12-21T17:52:52+01:00", "utc": "2003-12-21T16:52:52Z", "ms": 1072025571586.962 }, "end": { "local": "2003-12-22T14:18:57+01:00", "utc": "2003-12-22T13:18:57Z", "ms": 1072099136579.7952 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-12-21T17:52:52+01:00", "utc": "2003-12-21T16:52:52Z", "ms": 1072025571586.962 }, "end": { "local": "2003-12-22T14:18:57+01:00", "utc": "2003-12-22T13:18:57Z", "ms": 1072099136579.7952 } }, "kaala": "nishita", "days": [ { "local_date": "2003-12-21", "window": { "start": { "local": "2003-12-21T23:41:11+01:00", "utc": "2003-12-21T22:41:11Z", "ms": 1072046471221.3506 }, "end": { "local": "2003-12-22T00:29:11+01:00", "utc": "2003-12-21T23:29:11Z", "ms": 1072049351221.3506 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-12-22", "window": { "start": { "local": "2003-12-22T23:41:41+01:00", "utc": "2003-12-22T22:41:41Z", "ms": 1072132901278.8494 }, "end": { "local": "2003-12-23T00:29:41+01:00", "utc": "2003-12-22T23:29:41Z", "ms": 1072135781278.8494 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:53 on Sun 21 Dec to 14:19 on Mon 22 Dec.", "fact": "2003-12-21T16:52:52Z → 2003-12-22T13:18:57Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 21st, 23:42–00:30 on the 22nd.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20900 s" }, { "step": "ruling", "text": "Śivarātri, Luanda, 2003: Sunday 21 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": "2003-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-12-21", "confidence": "determinate" } ], "quote": "In Luanda, Śivarātri 2003 falls on Sunday 21 December. Caturdaśī runs from 17:53 on Sun 21 Dec to 14:19 on Mon 22 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/luanda/festivals/2003/shivaratri?on=2003-12-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/luanda/festivals/2003/vinayaka-chaturthi?on=2003-12-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2240449", "year": 2003, "local_date": "2003-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36904, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2003-12-26T01:28:22+01:00", "utc": "2003-12-26T00:28:22Z", "ms": 1072398501659.087 }, "end": { "local": "2003-12-26T23:28:52+01:00", "utc": "2003-12-26T22:28:52Z", "ms": 1072477731855.931 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2003-12-26T01:28:22+01:00", "utc": "2003-12-26T00:28:22Z", "ms": 1072398501659.087 }, "end": { "local": "2003-12-26T23:28:52+01:00", "utc": "2003-12-26T22:28:52Z", "ms": 1072477731855.931 } }, "kaala": "madhyahna", "days": [ { "local_date": "2003-12-26", "window": { "start": { "local": "2003-12-26T11:43:26+01:00", "utc": "2003-12-26T10:43:26Z", "ms": 1072435405579.8464 }, "end": { "local": "2003-12-26T12:31:26+01:00", "utc": "2003-12-26T11:31:26Z", "ms": 1072438285579.8464 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2003-12-27", "window": { "start": { "local": "2003-12-27T11:43:55+01:00", "utc": "2003-12-27T10:43:55Z", "ms": 1072521835208.9126 }, "end": { "local": "2003-12-27T12:31:55+01:00", "utc": "2003-12-27T11:31:55Z", "ms": 1072524715208.9126 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:28 on Fri 26 Dec to 23:29 on Fri 26 Dec.", "fact": "2003-12-26T00:28:22Z → 2003-12-26T22:28:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 26th, 11:44–12:32 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36904 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Luanda, 2003: Friday 26 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": "2003-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2003-12-26", "confidence": "determinate" } ], "quote": "In Luanda, Vināyaka Caturthī 2003 falls on Friday 26 December. Caturthī runs from 01:28 on Fri 26 Dec to 23:29 on Fri 26 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/luanda/festivals/2003/vinayaka-chaturthi?on=2003-12-26", "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" } }