{ "id": "/fuzhou/festivals/2039", "place": { "id": "1810821", "slug": "fuzhou", "name": "Fuzhou", "region": "Fujian, China", "country": "CN", "lat": 26.06139, "lon": 119.30611, "elevation_m": 14, "tz": "Asia/Shanghai" }, "year": 2039, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/fuzhou/festivals/2039/ekadashi?on=2039-01-06", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10065, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-01-05T09:38:52+08:00", "utc": "2039-01-05T01:38:52Z", "ms": 2177804331742.6492 }, "end": { "local": "2039-01-06T12:17:44+08:00", "utc": "2039-01-06T04:17:44Z", "ms": 2177900264061.9167 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-01-05T09:38:52+08:00", "utc": "2039-01-05T01:38:52Z", "ms": 2177804331742.6492 }, "end": { "local": "2039-01-06T12:17:44+08:00", "utc": "2039-01-06T04:17:44Z", "ms": 2177900264061.9167 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-01-05", "window": { "start": { "local": "2039-01-05T06:51:06+08:00", "utc": "2039-01-04T22:51:06Z", "ms": 2177794266433.6711 }, "end": { "local": "2039-01-05T06:51:06+08:00", "utc": "2039-01-04T22:51:06Z", "ms": 2177794266433.6711 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-01-06", "window": { "start": { "local": "2039-01-06T06:51:17+08:00", "utc": "2039-01-05T22:51:17Z", "ms": 2177880677459.2368 }, "end": { "local": "2039-01-06T06:51:17+08:00", "utc": "2039-01-05T22:51:17Z", "ms": 2177880677459.2368 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:39 on Wed 5 Jan to 12:18 on Thu 6 Jan.", "fact": "2039-01-05T01:38:52Z → 2039-01-06T04:17:44Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 5th and 06:51 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is 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 10065 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Fuzhou, 2039: Thursday 6 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": "2039-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Putradā Ekādaśī 2039 falls on Thursday 6 January. Ekādaśī runs from 09:39 on Wed 5 Jan to 12:18 on Thu 6 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-01-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-01-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2019, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-01-07T14:45:45+08:00", "utc": "2039-01-07T06:45:45Z", "ms": 2177995545000.4468 }, "end": { "local": "2039-01-08T16:53:23+08:00", "utc": "2039-01-08T08:53:23Z", "ms": 2178089603319.36 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-01-07T14:45:45+08:00", "utc": "2039-01-07T06:45:45Z", "ms": 2177995545000.4468 }, "end": { "local": "2039-01-08T16:53:23+08:00", "utc": "2039-01-08T08:53:23Z", "ms": 2178089603319.36 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-01-07", "window": { "start": { "local": "2039-01-07T17:26:19+08:00", "utc": "2039-01-07T09:26:19Z", "ms": 2178005178750.8088 }, "end": { "local": "2039-01-07T19:13:41+08:00", "utc": "2039-01-07T11:13:41Z", "ms": 2178011620932.7395 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "2039-01-08", "window": { "start": { "local": "2039-01-08T17:27:02+08:00", "utc": "2039-01-08T09:27:02Z", "ms": 2178091622384.4355 }, "end": { "local": "2039-01-08T19:14:20+08:00", "utc": "2039-01-08T11:14:20Z", "ms": 2178098059630.0603 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:46 on Fri 7 Jan to 16:53 on Sat 8 Jan.", "fact": "2039-01-07T06:45:45Z → 2039-01-08T08:53:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:26–19:14 on the 7th, 17:27–19:14 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 107 of 107 minutes on the 7th and 0 of 107 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 2019 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2039: Friday 7 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": "2039-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2039 falls on Friday 7 January. Trayodaśī runs from 14:46 on Fri 7 Jan to 16:53 on Sat 8 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-01-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-01-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-13", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 580, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-01-13T20:22:12+08:00", "utc": "2039-01-13T12:22:12Z", "ms": 2178534132169.8425 }, "end": { "local": "2039-01-14T19:41:56+08:00", "utc": "2039-01-14T11:41:56Z", "ms": 2178618115638.493 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-01-13T20:22:12+08:00", "utc": "2039-01-13T12:22:12Z", "ms": 2178534132169.8425 }, "end": { "local": "2039-01-14T19:41:56+08:00", "utc": "2039-01-14T11:41:56Z", "ms": 2178618115638.493 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-01-13", "window": { "start": { "local": "2039-01-13T20:12:32+08:00", "utc": "2039-01-13T12:12:32Z", "ms": 2178533551845.941 }, "end": { "local": "2039-01-13T20:12:32+08:00", "utc": "2039-01-13T12:12:32Z", "ms": 2178533551845.941 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-01-14", "window": { "start": { "local": "2039-01-14T21:12:00+08:00", "utc": "2039-01-14T13:12:00Z", "ms": 2178623520498.7913 }, "end": { "local": "2039-01-14T21:12:00+08:00", "utc": "2039-01-14T13:12:00Z", "ms": 2178623520498.7913 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:22 on Thu 13 Jan to 19:42 on Fri 14 Jan.", "fact": "2039-01-13T12:22:12Z → 2039-01-14T11:41:56Z" }, { "step": "kaala", "text": "Moonrise is at 20:13 on the 13th and 21:12 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 not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 580 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2039: Thursday 13 January.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-01-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-13", "confidence": "boundary" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2039 falls on Thursday 13 January. Caturthī runs from 20:22 on Thu 13 Jan to 19:42 on Fri 14 Jan, and is current at moonrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-01-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29395, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2039-01-15T01:41:27+08:00", "utc": "2039-01-14T17:41:27Z", "ms": 2178639687015.6372 }, "end": { "local": "2039-02-13T14:40:45+08:00", "utc": "2039-02-13T06:40:45Z", "ms": 2181192045059.3237 } }, "span": { "of": "transit", "start": { "local": "2039-01-15T01:41:27+08:00", "utc": "2039-01-14T17:41:27Z", "ms": 2178639687015.6372 }, "end": { "local": "2039-01-15T01:41:27+08:00", "utc": "2039-01-14T17:41:27Z", "ms": 2178639687015.6372 } }, "kaala": "sunset-day", "days": [ { "local_date": "2039-01-14", "window": { "start": { "local": "2039-01-13T17:30:46+08:00", "utc": "2039-01-13T09:30:46Z", "ms": 2178523846414.2532 }, "end": { "local": "2039-01-14T17:31:32+08:00", "utc": "2039-01-14T09:31:32Z", "ms": 2178610292145.7036 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2039-01-15", "window": { "start": { "local": "2039-01-14T17:31:32+08:00", "utc": "2039-01-14T09:31:32Z", "ms": 2178610292145.7036 }, "end": { "local": "2039-01-15T17:32:18+08:00", "utc": "2039-01-15T09:32:18Z", "ms": 2178696738106.8296 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2039-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 01:41 on Sat 15 Jan.", "fact": "2039-01-14T17:41:27Z · 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 17:32, and the day of the 15th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 29395 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Saturday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Fuzhou, 2039: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2039-01-14", "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": "2039-01-13", "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 Fuzhou, Bhogi 2039 falls on Friday 14 January. It is kept the day before Pongal, which falls on Saturday 15 January. The Sun enters Makara at 01:41 on Sat 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29395, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2039-01-15T01:41:27+08:00", "utc": "2039-01-14T17:41:27Z", "ms": 2178639687015.6372 }, "end": { "local": "2039-02-13T14:40:45+08:00", "utc": "2039-02-13T06:40:45Z", "ms": 2181192045059.3237 } }, "span": { "of": "transit", "start": { "local": "2039-01-15T01:41:27+08:00", "utc": "2039-01-14T17:41:27Z", "ms": 2178639687015.6372 }, "end": { "local": "2039-01-15T01:41:27+08:00", "utc": "2039-01-14T17:41:27Z", "ms": 2178639687015.6372 } }, "kaala": "sunset-day", "days": [ { "local_date": "2039-01-14", "window": { "start": { "local": "2039-01-13T17:30:46+08:00", "utc": "2039-01-13T09:30:46Z", "ms": 2178523846414.2532 }, "end": { "local": "2039-01-14T17:31:32+08:00", "utc": "2039-01-14T09:31:32Z", "ms": 2178610292145.7036 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2039-01-15", "window": { "start": { "local": "2039-01-14T17:31:32+08:00", "utc": "2039-01-14T09:31:32Z", "ms": 2178610292145.7036 }, "end": { "local": "2039-01-15T17:32:18+08:00", "utc": "2039-01-15T09:32:18Z", "ms": 2178696738106.8296 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 01:41 on Sat 15 Jan.", "fact": "2039-01-14T17:41:27Z · 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 17:32, and the day of the 15th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 29395 s" }, { "step": "ruling", "text": "Pongal, Fuzhou, 2039: Saturday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2039-01-15", "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": "2039-01-14", "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 Fuzhou, Pongal 2039 falls on Saturday 15 January. The Sun enters Makara at 01:41 on Sat 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6087, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2039-01-15T01:41:27+08:00", "utc": "2039-01-14T17:41:27Z", "ms": 2178639687015.6372 }, "end": { "local": "2039-02-13T14:40:45+08:00", "utc": "2039-02-13T06:40:45Z", "ms": 2181192045059.3237 } }, "span": { "of": "transit", "start": { "local": "2039-01-15T01:41:27+08:00", "utc": "2039-01-14T17:41:27Z", "ms": 2178639687015.6372 }, "end": { "local": "2039-01-15T01:41:27+08:00", "utc": "2039-01-14T17:41:27Z", "ms": 2178639687015.6372 } }, "kaala": "civil-day", "days": [ { "local_date": "2039-01-14", "window": { "start": { "local": "2039-01-14T00:00:00+08:00", "utc": "2039-01-13T16:00:00Z", "ms": 2178547200000 }, "end": { "local": "2039-01-15T00:00:00+08:00", "utc": "2039-01-14T16:00:00Z", "ms": 2178633600000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2039-01-15", "window": { "start": { "local": "2039-01-15T00:00:00+08:00", "utc": "2039-01-14T16:00:00Z", "ms": 2178633600000 }, "end": { "local": "2039-01-16T00:00:00+08:00", "utc": "2039-01-15T16:00:00Z", "ms": 2178720000000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 01:41 on Sat 15 Jan.", "fact": "2039-01-14T17:41:27Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Fuzhou.", "fact": "civil-day: midnight-to-midnight · Asia/Shanghai" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 15th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 6087 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Fuzhou, 2039: Saturday 15 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": "2039-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2039-01-14", "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": "2039-01-15", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Fuzhou, Makara Saṅkrānti 2039 falls on Saturday 15 January. The Sun enters Makara at 01:41 on Sat 15 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29395, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2039-01-15T01:41:27+08:00", "utc": "2039-01-14T17:41:27Z", "ms": 2178639687015.6372 }, "end": { "local": "2039-02-13T14:40:45+08:00", "utc": "2039-02-13T06:40:45Z", "ms": 2181192045059.3237 } }, "span": { "of": "transit", "start": { "local": "2039-01-15T01:41:27+08:00", "utc": "2039-01-14T17:41:27Z", "ms": 2178639687015.6372 }, "end": { "local": "2039-01-15T01:41:27+08:00", "utc": "2039-01-14T17:41:27Z", "ms": 2178639687015.6372 } }, "kaala": "sunset-day", "days": [ { "local_date": "2039-01-14", "window": { "start": { "local": "2039-01-13T17:30:46+08:00", "utc": "2039-01-13T09:30:46Z", "ms": 2178523846414.2532 }, "end": { "local": "2039-01-14T17:31:32+08:00", "utc": "2039-01-14T09:31:32Z", "ms": 2178610292145.7036 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2039-01-15", "window": { "start": { "local": "2039-01-14T17:31:32+08:00", "utc": "2039-01-14T09:31:32Z", "ms": 2178610292145.7036 }, "end": { "local": "2039-01-15T17:32:18+08:00", "utc": "2039-01-15T09:32:18Z", "ms": 2178696738106.8296 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2039-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 01:41 on Sat 15 Jan.", "fact": "2039-01-14T17:41:27Z · 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 17:32, and the day of the 15th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 29395 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Saturday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Fuzhou, 2039: Sunday 16 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2039-01-16", "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": "2039-01-15", "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 Fuzhou, Mattu Pongal 2039 falls on Sunday 16 January. It is kept the day after Pongal, which falls on Saturday 15 January. The Sun enters Makara at 01:41 on Sat 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from sunrise, as in Orissa, it is 15 January.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-01-20", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-20", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 179, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-01-20T09:14:21+08:00", "utc": "2039-01-20T01:14:21Z", "ms": 2179098860516.4497 }, "end": { "local": "2039-01-21T06:48:06+08:00", "utc": "2039-01-20T22:48:06Z", "ms": 2179176485503.6858 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-01-20T09:14:21+08:00", "utc": "2039-01-20T01:14:21Z", "ms": 2179098860516.4497 }, "end": { "local": "2039-01-21T06:48:06+08:00", "utc": "2039-01-20T22:48:06Z", "ms": 2179176485503.6858 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-01-20", "window": { "start": { "local": "2039-01-20T06:51:16+08:00", "utc": "2039-01-19T22:51:16Z", "ms": 2179090275832.735 }, "end": { "local": "2039-01-20T06:51:16+08:00", "utc": "2039-01-19T22:51:16Z", "ms": 2179090275832.735 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-01-21", "window": { "start": { "local": "2039-01-21T06:51:05+08:00", "utc": "2039-01-20T22:51:05Z", "ms": 2179176664533.4146 }, "end": { "local": "2039-01-21T06:51:05+08:00", "utc": "2039-01-20T22:51:05Z", "ms": 2179176664533.4146 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:14 on Thu 20 Jan to 06:48 on Fri 21 Jan.", "fact": "2039-01-20T01:14:21Z → 2039-01-20T22:48:06Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 20th and 06:51 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 179 s < 300 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Fuzhou, 2039: Thursday 20 January.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-20", "confidence": "boundary" } ], "quote": "In Fuzhou, Ṣaṭtilā Ekādaśī 2039 falls on Thursday 20 January. Ekādaśī runs from 09:14 on Thu 20 Jan to 06:48 on Fri 21 Jan, and is current at sunrise on neither day. It is 2 min 59 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-01-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-01-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23390, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-01-22T04:19:15+08:00", "utc": "2039-01-21T20:19:15Z", "ms": 2179253955468.27 }, "end": { "local": "2039-01-23T01:53:17+08:00", "utc": "2039-01-22T17:53:17Z", "ms": 2179331596816.3467 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-01-22T04:19:15+08:00", "utc": "2039-01-21T20:19:15Z", "ms": 2179253955468.27 }, "end": { "local": "2039-01-23T01:53:17+08:00", "utc": "2039-01-22T17:53:17Z", "ms": 2179331596816.3467 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-01-21", "window": { "start": { "local": "2039-01-21T17:36:57+08:00", "utc": "2039-01-21T09:36:57Z", "ms": 2179215416840.852 }, "end": { "local": "2039-01-21T19:22:48+08:00", "utc": "2039-01-21T11:22:48Z", "ms": 2179221768162.922 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2039-01-22", "window": { "start": { "local": "2039-01-22T17:37:43+08:00", "utc": "2039-01-22T09:37:43Z", "ms": 2179301863473.3015 }, "end": { "local": "2039-01-22T19:23:27+08:00", "utc": "2039-01-22T11:23:27Z", "ms": 2179308206677.6116 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:19 on Sat 22 Jan to 01:53 on Sun 23 Jan.", "fact": "2039-01-21T20:19:15Z → 2039-01-22T17:53:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:23 on the 21st, 17:38–19:23 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 0 of 106 minutes on the 21st and 106 of 106 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 23390 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2039: Saturday 22 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": "2039-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2039 falls on Saturday 22 January. Trayodaśī runs from 04:19 on Sat 22 Jan to 01:53 on Sun 23 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-01-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/shivaratri?on=2039-01-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-22", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 834, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-01-23T01:53:17+08:00", "utc": "2039-01-22T17:53:17Z", "ms": 2179331596816.3467 }, "end": { "local": "2039-01-23T23:36:32+08:00", "utc": "2039-01-23T15:36:32Z", "ms": 2179409792411.4993 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-01-23T01:53:17+08:00", "utc": "2039-01-22T17:53:17Z", "ms": 2179331596816.3467 }, "end": { "local": "2039-01-23T23:36:32+08:00", "utc": "2039-01-23T15:36:32Z", "ms": 2179409792411.4993 } }, "kaala": "nishita", "days": [ { "local_date": "2039-01-22", "window": { "start": { "local": "2039-01-22T23:50:10+08:00", "utc": "2039-01-22T15:50:10Z", "ms": 2179324210489.464 }, "end": { "local": "2039-01-23T00:38:10+08:00", "utc": "2039-01-22T16:38:10Z", "ms": 2179327090489.464 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-01-23", "window": { "start": { "local": "2039-01-23T23:50:26+08:00", "utc": "2039-01-23T15:50:26Z", "ms": 2179410625924.1519 }, "end": { "local": "2039-01-24T00:38:26+08:00", "utc": "2039-01-23T16:38:26Z", "ms": 2179413505924.1519 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:53 on Sun 23 Jan to 23:37 on Sun 23 Jan.", "fact": "2039-01-22T17:53:17Z → 2039-01-23T15:36:32Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 22nd, 23:50–00:38 on the 23rd.", "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 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 834 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2039: Saturday 22 January.", "fact": "confidence: boundary (absent-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": "2039-01-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-22", "confidence": "boundary" } ], "quote": "In Fuzhou, Śivarātri 2039 falls on Saturday 22 January. Caturdaśī runs from 01:53 on Sun 23 Jan to 23:37 on Sun 23 Jan, and reaches niśītha on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/shivaratri?on=2039-01-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11497, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-01-23T01:53:17+08:00", "utc": "2039-01-22T17:53:17Z", "ms": 2179331596816.3467 }, "end": { "local": "2039-01-23T23:36:32+08:00", "utc": "2039-01-23T15:36:32Z", "ms": 2179409792411.4993 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-01-23T01:53:17+08:00", "utc": "2039-01-22T17:53:17Z", "ms": 2179331596816.3467 }, "end": { "local": "2039-01-23T23:36:32+08:00", "utc": "2039-01-23T15:36:32Z", "ms": 2179409792411.4993 } }, "kaala": "arunodaya", "days": [ { "local_date": "2039-01-23", "window": { "start": { "local": "2039-01-23T05:04:54+08:00", "utc": "2039-01-22T21:04:54Z", "ms": 2179343094301.3167 }, "end": { "local": "2039-01-23T06:50:38+08:00", "utc": "2039-01-22T22:50:38Z", "ms": 2179349437505.6267 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2039-01-24", "window": { "start": { "local": "2039-01-24T05:04:47+08:00", "utc": "2039-01-23T21:04:47Z", "ms": 2179429486889.1594 }, "end": { "local": "2039-01-24T06:50:22+08:00", "utc": "2039-01-23T22:50:22Z", "ms": 2179435821785.526 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:53 on Sun 23 Jan to 23:37 on Sun 23 Jan.", "fact": "2039-01-22T17:53:17Z → 2039-01-23T15:36:32Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:05–06:51 on the 23rd, 05:05–06:50 on the 24th.", "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 106 of 106 minutes on the 23rd and 0 of 106 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11497 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Fuzhou, 2039: Sunday 23 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": "2039-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Tarpaṇa 2039 falls on Sunday 23 January. Caturdaśī runs from 01:53 on Sun 23 Jan to 23:37 on Sun 23 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-27", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2714, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-01-27T18:26:49+08:00", "utc": "2039-01-27T10:26:49Z", "ms": 2179736808855.9285 }, "end": { "local": "2039-01-28T18:41:22+08:00", "utc": "2039-01-28T10:41:22Z", "ms": 2179824081716.8599 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-01-27T18:26:49+08:00", "utc": "2039-01-27T10:26:49Z", "ms": 2179736808855.9285 }, "end": { "local": "2039-01-28T18:41:22+08:00", "utc": "2039-01-28T10:41:22Z", "ms": 2179824081716.8599 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-01-27", "window": { "start": { "local": "2039-01-27T17:41:35+08:00", "utc": "2039-01-27T09:41:35Z", "ms": 2179734095315.5415 }, "end": { "local": "2039-01-27T19:26:35+08:00", "utc": "2039-01-27T11:26:35Z", "ms": 2179740395184.6626 } }, "covered_min": 60, "window_min": 105, "qualifies": true }, { "local_date": "2039-01-28", "window": { "start": { "local": "2039-01-28T17:42:21+08:00", "utc": "2039-01-28T09:42:21Z", "ms": 2179820541198.0737 }, "end": { "local": "2039-01-28T19:27:12+08:00", "utc": "2039-01-28T11:27:12Z", "ms": 2179826831888.0503 } }, "covered_min": 59, "window_min": 105, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:27 on Thu 27 Jan to 18:41 on Fri 28 Jan.", "fact": "2039-01-27T10:26:49Z → 2039-01-28T10:41:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:42–19:27 on the 27th, 17:42–19:27 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 60 of 105 minutes on the 27th and 59 of 105 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "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 2714 s" }, { "step": "ruling", "text": "Tila Caturthī, Fuzhou, 2039: Thursday 27 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2039-01-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-27", "confidence": "boundary" } ], "quote": "In Fuzhou, Tila Caturthī 2039 falls on Thursday 27 January. Caturthī runs from 18:27 on Thu 27 Jan to 18:41 on Fri 28 Jan and covers 60 of 105 minutes of pradoṣa that evening. It also reaches the next evening for 59 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/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20838, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-01-27T18:26:49+08:00", "utc": "2039-01-27T10:26:49Z", "ms": 2179736808855.9285 }, "end": { "local": "2039-01-28T18:41:22+08:00", "utc": "2039-01-28T10:41:22Z", "ms": 2179824081716.8599 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-01-27T18:26:49+08:00", "utc": "2039-01-27T10:26:49Z", "ms": 2179736808855.9285 }, "end": { "local": "2039-01-28T18:41:22+08:00", "utc": "2039-01-28T10:41:22Z", "ms": 2179824081716.8599 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-01-27", "window": { "start": { "local": "2039-01-27T11:51:31+08:00", "utc": "2039-01-27T03:51:31Z", "ms": 2179713090591.0366 }, "end": { "local": "2039-01-27T12:39:31+08:00", "utc": "2039-01-27T04:39:31Z", "ms": 2179715970591.0366 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-01-28", "window": { "start": { "local": "2039-01-28T11:51:43+08:00", "utc": "2039-01-28T03:51:43Z", "ms": 2179799502766.0117 }, "end": { "local": "2039-01-28T12:39:43+08:00", "utc": "2039-01-28T04:39:43Z", "ms": 2179802382766.0117 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:27 on Thu 27 Jan to 18:41 on Fri 28 Jan.", "fact": "2039-01-27T10:26:49Z → 2039-01-28T10:41:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 27th, 11:52–12:40 on the 28th.", "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 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20838 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Fuzhou, 2039: Friday 28 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2039 falls on Friday 28 January. Caturthī runs from 18:27 on Thu 27 Jan to 18:41 on Fri 28 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21699, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2039-01-28T18:41:22+08:00", "utc": "2039-01-28T10:41:22Z", "ms": 2179824081716.8599 }, "end": { "local": "2039-01-29T19:39:27+08:00", "utc": "2039-01-29T11:39:27Z", "ms": 2179913966529.3323 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-01-28T18:41:22+08:00", "utc": "2039-01-28T10:41:22Z", "ms": 2179824081716.8599 }, "end": { "local": "2039-01-29T19:39:27+08:00", "utc": "2039-01-29T11:39:27Z", "ms": 2179913966529.3323 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-01-28", "window": { "start": { "local": "2039-01-28T11:51:43+08:00", "utc": "2039-01-28T03:51:43Z", "ms": 2179799502766.0117 }, "end": { "local": "2039-01-28T12:39:43+08:00", "utc": "2039-01-28T04:39:43Z", "ms": 2179802382766.0117 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-01-29", "window": { "start": { "local": "2039-01-29T11:51:54+08:00", "utc": "2039-01-29T03:51:54Z", "ms": 2179885914113.263 }, "end": { "local": "2039-01-29T12:39:54+08:00", "utc": "2039-01-29T04:39:54Z", "ms": 2179888794113.263 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:41 on Fri 28 Jan to 19:39 on Sat 29 Jan.", "fact": "2039-01-28T10:41:22Z → 2039-01-29T11:39:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 28th, 11:52–12:40 on the 29th.", "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 28th and 48 of 48 on the 29th.", "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 21699 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Fuzhou, 2039: Saturday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Pañcamī 2039 falls on Saturday 29 January. Pañcamī runs from 18:41 on Fri 28 Jan to 19:39 on Sat 29 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21699, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2039-01-28T18:41:22+08:00", "utc": "2039-01-28T10:41:22Z", "ms": 2179824081716.8599 }, "end": { "local": "2039-01-29T19:39:27+08:00", "utc": "2039-01-29T11:39:27Z", "ms": 2179913966529.3323 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-01-28T18:41:22+08:00", "utc": "2039-01-28T10:41:22Z", "ms": 2179824081716.8599 }, "end": { "local": "2039-01-29T19:39:27+08:00", "utc": "2039-01-29T11:39:27Z", "ms": 2179913966529.3323 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-01-28", "window": { "start": { "local": "2039-01-28T11:51:43+08:00", "utc": "2039-01-28T03:51:43Z", "ms": 2179799502766.0117 }, "end": { "local": "2039-01-28T12:39:43+08:00", "utc": "2039-01-28T04:39:43Z", "ms": 2179802382766.0117 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-01-29", "window": { "start": { "local": "2039-01-29T11:51:54+08:00", "utc": "2039-01-29T03:51:54Z", "ms": 2179885914113.263 }, "end": { "local": "2039-01-29T12:39:54+08:00", "utc": "2039-01-29T04:39:54Z", "ms": 2179888794113.263 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:41 on Fri 28 Jan to 19:39 on Sat 29 Jan.", "fact": "2039-01-28T10:41:22Z → 2039-01-29T11:39:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 28th, 11:52–12:40 on the 29th.", "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 28th and 48 of 48 on the 29th.", "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 21699 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Fuzhou, 2039: Saturday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Vasanta Pañcamī 2039 falls on Saturday 29 January. Pañcamī runs from 18:41 on Fri 28 Jan to 19:39 on Sat 29 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19963, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2039-01-30T21:18:17+08:00", "utc": "2039-01-30T13:18:17Z", "ms": 2180006296590.8657 }, "end": { "local": "2039-01-31T23:30:19+08:00", "utc": "2039-01-31T15:30:19Z", "ms": 2180100619275.533 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-01-30T21:18:17+08:00", "utc": "2039-01-30T13:18:17Z", "ms": 2180006296590.8657 }, "end": { "local": "2039-01-31T23:30:19+08:00", "utc": "2039-01-31T15:30:19Z", "ms": 2180100619275.533 } }, "kaala": "arunodaya", "days": [ { "local_date": "2039-01-31", "window": { "start": { "local": "2039-01-31T05:03:19+08:00", "utc": "2039-01-30T21:03:19Z", "ms": 2180034199360.0056 }, "end": { "local": "2039-01-31T06:47:51+08:00", "utc": "2039-01-30T22:47:51Z", "ms": 2180040471221.7888 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2039-02-01", "window": { "start": { "local": "2039-02-01T05:03:02+08:00", "utc": "2039-01-31T21:03:02Z", "ms": 2180120581840.9482 }, "end": { "local": "2039-02-01T06:47:24+08:00", "utc": "2039-01-31T22:47:24Z", "ms": 2180126844064.0842 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 21:18 on Sun 30 Jan to 23:30 on Mon 31 Jan.", "fact": "2039-01-30T13:18:17Z → 2039-01-31T15:30:19Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:03–06:48 on the 31st, 05:03–06:47 on the 1st.", "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 105 of 105 minutes on the 31st and 0 of 104 on the 1st.", "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 19963 s" }, { "step": "ruling", "text": "Ratha Saptamī, Fuzhou, 2039: Monday 31 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-01-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Ratha Saptamī 2039 falls on Monday 31 January. Saptamī runs from 21:18 on Sun 30 Jan to 23:30 on Mon 31 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-02-05", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1629, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-02-04T07:13:04+08:00", "utc": "2039-02-03T23:13:04Z", "ms": 2180387583859.9768 }, "end": { "local": "2039-02-05T09:19:47+08:00", "utc": "2039-02-05T01:19:47Z", "ms": 2180481587293.0435 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-02-04T07:13:04+08:00", "utc": "2039-02-03T23:13:04Z", "ms": 2180387583859.9768 }, "end": { "local": "2039-02-05T09:19:47+08:00", "utc": "2039-02-05T01:19:47Z", "ms": 2180481587293.0435 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-02-04", "window": { "start": { "local": "2039-02-04T06:45:54+08:00", "utc": "2039-02-03T22:45:54Z", "ms": 2180385954485.8823 }, "end": { "local": "2039-02-04T06:45:54+08:00", "utc": "2039-02-03T22:45:54Z", "ms": 2180385954485.8823 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-02-05", "window": { "start": { "local": "2039-02-05T06:45:22+08:00", "utc": "2039-02-04T22:45:22Z", "ms": 2180472321993.986 }, "end": { "local": "2039-02-05T06:45:22+08:00", "utc": "2039-02-04T22:45:22Z", "ms": 2180472321993.986 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:13 on Fri 4 Feb to 09:20 on Sat 5 Feb.", "fact": "2039-02-03T23:13:04Z → 2039-02-05T01:19:47Z" }, { "step": "kaala", "text": "Sunrise is at 06:46 on the 4th and 06:45 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1629 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Fuzhou, 2039: Saturday 5 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": "2039-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-02-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Jayā Ekādaśī 2039 falls on Saturday 5 February. Ekādaśī runs from 07:13 on Fri 4 Feb to 09:20 on Sat 5 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-02-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3586, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2039-02-05T09:19:47+08:00", "utc": "2039-02-05T01:19:47Z", "ms": 2180481587293.0435 }, "end": { "local": "2039-02-06T10:53:09+08:00", "utc": "2039-02-06T02:53:09Z", "ms": 2180573588615.559 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-02-05T09:19:47+08:00", "utc": "2039-02-05T01:19:47Z", "ms": 2180481587293.0435 }, "end": { "local": "2039-02-06T10:53:09+08:00", "utc": "2039-02-06T02:53:09Z", "ms": 2180573588615.559 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-02-05", "window": { "start": { "local": "2039-02-05T11:52:50+08:00", "utc": "2039-02-05T03:52:50Z", "ms": 2180490770158.0317 }, "end": { "local": "2039-02-05T12:40:50+08:00", "utc": "2039-02-05T04:40:50Z", "ms": 2180493650158.0317 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-02-06", "window": { "start": { "local": "2039-02-06T11:52:55+08:00", "utc": "2039-02-06T03:52:55Z", "ms": 2180577174841.1753 }, "end": { "local": "2039-02-06T12:40:55+08:00", "utc": "2039-02-06T04:40:55Z", "ms": 2180580054841.1753 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 09:20 on Sat 5 Feb to 10:53 on Sun 6 Feb.", "fact": "2039-02-05T01:19:47Z → 2039-02-06T02:53:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 5th, 11:53–12:41 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3586 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Fuzhou, 2039: Saturday 5 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": "2039-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-02-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhīṣma Dvādaśī 2039 falls on Saturday 5 February. Dvādaśī runs from 09:20 on Sat 5 Feb to 10:53 on Sun 6 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-02-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21726, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-02-06T10:53:09+08:00", "utc": "2039-02-06T02:53:09Z", "ms": 2180573588615.559 }, "end": { "local": "2039-02-07T11:47:38+08:00", "utc": "2039-02-07T03:47:38Z", "ms": 2180663258376.6426 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-02-06T10:53:09+08:00", "utc": "2039-02-06T02:53:09Z", "ms": 2180573588615.559 }, "end": { "local": "2039-02-07T11:47:38+08:00", "utc": "2039-02-07T03:47:38Z", "ms": 2180663258376.6426 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-02-06", "window": { "start": { "local": "2039-02-06T17:49:01+08:00", "utc": "2039-02-06T09:49:01Z", "ms": 2180598541459.135 }, "end": { "local": "2039-02-06T19:32:23+08:00", "utc": "2039-02-06T11:32:23Z", "ms": 2180604743024.257 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2039-02-07", "window": { "start": { "local": "2039-02-07T17:49:44+08:00", "utc": "2039-02-07T09:49:44Z", "ms": 2180684984220.3157 }, "end": { "local": "2039-02-07T19:32:55+08:00", "utc": "2039-02-07T11:32:55Z", "ms": 2180691175249.862 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:53 on Sun 6 Feb to 11:48 on Mon 7 Feb.", "fact": "2039-02-06T02:53:09Z → 2039-02-07T03:47:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:49–19:32 on the 6th, 17:50–19:33 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 103 of 103 minutes on the 6th and 0 of 103 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 21726 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2039: Sunday 6 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": "2039-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-02-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2039 falls on Sunday 6 February. Trayodaśī runs from 10:53 on Sun 6 Feb to 11:48 on Mon 7 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-02-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 550, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-02-08T12:02:12+08:00", "utc": "2039-02-08T04:02:12Z", "ms": 2180750531642.4333 }, "end": { "local": "2039-02-09T11:39:17+08:00", "utc": "2039-02-09T03:39:17Z", "ms": 2180835557253.1545 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2039-02-08T12:02:12+08:00", "utc": "2039-02-08T04:02:12Z", "ms": 2180750531642.4333 }, "end": { "local": "2039-02-09T11:39:17+08:00", "utc": "2039-02-09T03:39:17Z", "ms": 2180835557253.1545 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-02-08", "window": { "start": { "local": "2039-02-08T11:53:02+08:00", "utc": "2039-02-08T03:53:02Z", "ms": 2180749981770.0247 }, "end": { "local": "2039-02-08T12:41:02+08:00", "utc": "2039-02-08T04:41:02Z", "ms": 2180752861770.0247 } }, "covered_min": 39, "window_min": 48, "qualifies": true }, { "local_date": "2039-02-09", "window": { "start": { "local": "2039-02-09T11:53:04+08:00", "utc": "2039-02-09T03:53:04Z", "ms": 2180836384034.5195 }, "end": { "local": "2039-02-09T12:41:04+08:00", "utc": "2039-02-09T04:41:04Z", "ms": 2180839264034.5195 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:02 on Tue 8 Feb to 11:39 on Wed 9 Feb.", "fact": "2039-02-08T04:02:12Z → 2039-02-09T03:39:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 8th, 11:53–12:41 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 39 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 550 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Fuzhou, 2039: Tuesday 8 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": "2039-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-02-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Māghī Pūrṇimā 2039 falls on Tuesday 8 February. Pūrṇimā runs from 12:02 on Tue 8 Feb to 11:39 on Wed 9 Feb and covers 39 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-02-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31327, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-02-12T07:41:04+08:00", "utc": "2039-02-11T23:41:04Z", "ms": 2181080463633.4739 }, "end": { "local": "2039-02-13T05:46:54+08:00", "utc": "2039-02-12T21:46:54Z", "ms": 2181160013769.619 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2039-02-12T07:41:04+08:00", "utc": "2039-02-11T23:41:04Z", "ms": 2181080463633.4739 }, "end": { "local": "2039-02-13T05:46:54+08:00", "utc": "2039-02-12T21:46:54Z", "ms": 2181160013769.619 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-02-11", "window": { "start": { "local": "2039-02-11T20:03:57+08:00", "utc": "2039-02-11T12:03:57Z", "ms": 2181038637293.4824 }, "end": { "local": "2039-02-11T20:03:57+08:00", "utc": "2039-02-11T12:03:57Z", "ms": 2181038637293.4824 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-02-12", "window": { "start": { "local": "2039-02-12T21:04:47+08:00", "utc": "2039-02-12T13:04:47Z", "ms": 2181128686752.2092 }, "end": { "local": "2039-02-12T21:04:47+08:00", "utc": "2039-02-12T13:04:47Z", "ms": 2181128686752.2092 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:41 on Sat 12 Feb to 05:47 on Sun 13 Feb.", "fact": "2039-02-11T23:41:04Z → 2039-02-12T21:46:54Z" }, { "step": "kaala", "text": "Moonrise is at 20:04 on the 11th and 21:05 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 31327 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2039: Saturday 12 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": "2039-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-02-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2039 falls on Saturday 12 February. Caturthī runs from 07:41 on Sat 12 Feb to 05:47 on Sun 13 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-02-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/ekadashi?on=2039-02-19", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34044, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-02-18T17:47:33+08:00", "utc": "2039-02-18T09:47:33Z", "ms": 2181635253188.1057 }, "end": { "local": "2039-02-19T16:03:09+08:00", "utc": "2039-02-19T08:03:09Z", "ms": 2181715388647.1697 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2039-02-18T17:47:33+08:00", "utc": "2039-02-18T09:47:33Z", "ms": 2181635253188.1057 }, "end": { "local": "2039-02-19T16:03:09+08:00", "utc": "2039-02-19T08:03:09Z", "ms": 2181715388647.1697 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-02-18", "window": { "start": { "local": "2039-02-18T06:36:33+08:00", "utc": "2039-02-17T22:36:33Z", "ms": 2181594992589.953 }, "end": { "local": "2039-02-18T06:36:33+08:00", "utc": "2039-02-17T22:36:33Z", "ms": 2181594992589.953 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-02-19", "window": { "start": { "local": "2039-02-19T06:35:45+08:00", "utc": "2039-02-18T22:35:45Z", "ms": 2181681344561.8123 }, "end": { "local": "2039-02-19T06:35:45+08:00", "utc": "2039-02-18T22:35:45Z", "ms": 2181681344561.8123 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:48 on Fri 18 Feb to 16:03 on Sat 19 Feb.", "fact": "2039-02-18T09:47:33Z → 2039-02-19T08:03:09Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 18th and 06:36 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34044 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Fuzhou, 2039: Saturday 19 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": "2039-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-02-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Ekādaśī 2039 falls on Saturday 19 February. Ekādaśī runs from 17:48 on Fri 18 Feb to 16:03 on Sat 19 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-02-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-02-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12620, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-02-20T14:28:05+08:00", "utc": "2039-02-20T06:28:05Z", "ms": 2181796084621.9756 }, "end": { "local": "2039-02-21T13:05:42+08:00", "utc": "2039-02-21T05:05:42Z", "ms": 2181877542165.4167 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2039-02-20T14:28:05+08:00", "utc": "2039-02-20T06:28:05Z", "ms": 2181796084621.9756 }, "end": { "local": "2039-02-21T13:05:42+08:00", "utc": "2039-02-21T05:05:42Z", "ms": 2181877542165.4167 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-02-20", "window": { "start": { "local": "2039-02-20T17:58:24+08:00", "utc": "2039-02-20T09:58:24Z", "ms": 2181808704294.3193 }, "end": { "local": "2039-02-20T19:39:10+08:00", "utc": "2039-02-20T11:39:10Z", "ms": 2181814749826.106 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "2039-02-21", "window": { "start": { "local": "2039-02-21T17:59:01+08:00", "utc": "2039-02-21T09:59:01Z", "ms": 2181895141494.5608 }, "end": { "local": "2039-02-21T19:39:35+08:00", "utc": "2039-02-21T11:39:35Z", "ms": 2181901175305.7388 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:28 on Sun 20 Feb to 13:06 on Mon 21 Feb.", "fact": "2039-02-20T06:28:05Z → 2039-02-21T05:05:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:39 on the 20th, 17:59–19:40 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 101 of 101 minutes on the 20th and 0 of 101 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12620 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2039: Sunday 20 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": "2039-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-02-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2039 falls on Sunday 20 February. Trayodaśī runs from 14:28 on Sun 20 Feb to 13:06 on Mon 21 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-02-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-02-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38786, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-02-21T13:05:42+08:00", "utc": "2039-02-21T05:05:42Z", "ms": 2181877542165.4167 }, "end": { "local": "2039-02-22T12:00:27+08:00", "utc": "2039-02-22T04:00:27Z", "ms": 2181960027018.9827 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2039-02-21T13:05:42+08:00", "utc": "2039-02-21T05:05:42Z", "ms": 2181877542165.4167 }, "end": { "local": "2039-02-22T12:00:27+08:00", "utc": "2039-02-22T04:00:27Z", "ms": 2181960027018.9827 } }, "kaala": "nishita", "days": [ { "local_date": "2039-02-21", "window": { "start": { "local": "2039-02-21T23:52:08+08:00", "utc": "2039-02-21T15:52:08Z", "ms": 2181916328286.4785 }, "end": { "local": "2039-02-22T00:40:08+08:00", "utc": "2039-02-21T16:40:08Z", "ms": 2181919208286.4785 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-02-22", "window": { "start": { "local": "2039-02-22T23:52:01+08:00", "utc": "2039-02-22T15:52:01Z", "ms": 2182002720906.7036 }, "end": { "local": "2039-02-23T00:40:01+08:00", "utc": "2039-02-22T16:40:01Z", "ms": 2182005600906.7036 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:06 on Mon 21 Feb to 12:00 on Tue 22 Feb.", "fact": "2039-02-21T05:05:42Z → 2039-02-22T04:00:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 21st, 23:52–00:40 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. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 38786 s" }, { "step": "ruling", "text": "Mahāśivarātri, Fuzhou, 2039: Monday 21 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-02-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-02-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahāśivarātri 2039 falls on Monday 21 February. Caturdaśī runs from 13:06 on Mon 21 Feb to 12:00 on Tue 22 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-02-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-02-27", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1368, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-02-26T12:14:41+08:00", "utc": "2039-02-26T04:14:41Z", "ms": 2182306480701.105 }, "end": { "local": "2039-02-27T13:45:23+08:00", "utc": "2039-02-27T05:45:23Z", "ms": 2182398323058.569 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2039-02-26T12:14:41+08:00", "utc": "2039-02-26T04:14:41Z", "ms": 2182306480701.105 }, "end": { "local": "2039-02-27T13:45:23+08:00", "utc": "2039-02-27T05:45:23Z", "ms": 2182398323058.569 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-02-26", "window": { "start": { "local": "2039-02-26T11:51:53+08:00", "utc": "2039-02-26T03:51:53Z", "ms": 2182305112691.4495 }, "end": { "local": "2039-02-26T12:39:53+08:00", "utc": "2039-02-26T04:39:53Z", "ms": 2182307992691.4495 } }, "covered_min": 25, "window_min": 48, "qualifies": true }, { "local_date": "2039-02-27", "window": { "start": { "local": "2039-02-27T11:51:43+08:00", "utc": "2039-02-27T03:51:43Z", "ms": 2182391502717.7788 }, "end": { "local": "2039-02-27T12:39:43+08:00", "utc": "2039-02-27T04:39:43Z", "ms": 2182394382717.7788 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:15 on Sat 26 Feb to 13:45 on Sun 27 Feb.", "fact": "2039-02-26T04:14:41Z → 2039-02-27T05:45:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 26th, 11:52–12:40 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 25 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": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1368 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2039: Sunday 27 February.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-02-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-02-27", "confidence": "boundary" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2039 falls on Sunday 27 February. Caturthī runs from 12:15 on Sat 26 Feb to 13:45 on Sun 27 Feb and covers all of madhyāhna that midday. It also reaches the previous midday for 25 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/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/ekadashi?on=2039-03-06", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7211, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-03-06T03:24:53+08:00", "utc": "2039-03-05T19:24:53Z", "ms": 2182965892605.5815 }, "end": { "local": "2039-03-07T04:20:57+08:00", "utc": "2039-03-06T20:20:57Z", "ms": 2183055657116.0264 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2039-03-06T03:24:53+08:00", "utc": "2039-03-05T19:24:53Z", "ms": 2182965892605.5815 }, "end": { "local": "2039-03-07T04:20:57+08:00", "utc": "2039-03-06T20:20:57Z", "ms": 2183055657116.0264 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-03-06", "window": { "start": { "local": "2039-03-06T06:22:08+08:00", "utc": "2039-03-05T22:22:08Z", "ms": 2182976527732.9949 }, "end": { "local": "2039-03-06T06:22:08+08:00", "utc": "2039-03-05T22:22:08Z", "ms": 2182976527732.9949 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-03-07", "window": { "start": { "local": "2039-03-07T06:21:08+08:00", "utc": "2039-03-06T22:21:08Z", "ms": 2183062868016.1162 }, "end": { "local": "2039-03-07T06:21:08+08:00", "utc": "2039-03-06T22:21:08Z", "ms": 2183062868016.1162 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:25 on Sun 6 Mar to 04:21 on Mon 7 Mar.", "fact": "2039-03-05T19:24:53Z → 2039-03-06T20:20:57Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 6th and 06:21 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 7211 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Fuzhou, 2039: Sunday 6 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": "2039-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Āmalakī Ekādaśī 2039 falls on Sunday 6 March. Ekādaśī runs from 03:25 on Sun 6 Mar to 04:21 on Mon 7 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-03-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-03-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29141, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-03-08T04:29:17+08:00", "utc": "2039-03-07T20:29:17Z", "ms": 2183142556915.1108 }, "end": { "local": "2039-03-09T03:50:46+08:00", "utc": "2039-03-08T19:50:46Z", "ms": 2183226645992.7725 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2039-03-08T04:29:17+08:00", "utc": "2039-03-07T20:29:17Z", "ms": 2183142556915.1108 }, "end": { "local": "2039-03-09T03:50:46+08:00", "utc": "2039-03-08T19:50:46Z", "ms": 2183226645992.7725 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-03-07", "window": { "start": { "local": "2039-03-07T18:07:00+08:00", "utc": "2039-03-07T10:07:00Z", "ms": 2183105220334.7495 }, "end": { "local": "2039-03-07T19:44:45+08:00", "utc": "2039-03-07T11:44:45Z", "ms": 2183111085330.2117 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2039-03-08", "window": { "start": { "local": "2039-03-08T18:07:32+08:00", "utc": "2039-03-08T10:07:32Z", "ms": 2183191651791.9814 }, "end": { "local": "2039-03-08T19:45:05+08:00", "utc": "2039-03-08T11:45:05Z", "ms": 2183197504501.8389 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:29 on Tue 8 Mar to 03:51 on Wed 9 Mar.", "fact": "2039-03-07T20:29:17Z → 2039-03-08T19:50:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:45 on the 7th, 18:08–19:45 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 0 of 98 minutes on the 7th and 98 of 98 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 29141 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2039: Tuesday 8 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": "2039-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2039 falls on Tuesday 8 March. Trayodaśī runs from 04:29 on Tue 8 Mar to 03:51 on Wed 9 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-03-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23189, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-03-10T02:30:12+08:00", "utc": "2039-03-09T18:30:12Z", "ms": 2183308212484.9548 }, "end": { "local": "2039-03-11T00:35:03+08:00", "utc": "2039-03-10T16:35:03Z", "ms": 2183387702663.1868 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2039-03-10T02:30:12+08:00", "utc": "2039-03-09T18:30:12Z", "ms": 2183308212484.9548 }, "end": { "local": "2039-03-11T00:35:03+08:00", "utc": "2039-03-10T16:35:03Z", "ms": 2183387702663.1868 } }, "kaala": "sayahna", "days": [ { "local_date": "2039-03-09", "window": { "start": { "local": "2039-03-09T15:46:16+08:00", "utc": "2039-03-09T07:46:16Z", "ms": 2183269575776.5872 }, "end": { "local": "2039-03-09T18:08:03+08:00", "utc": "2039-03-09T10:08:03Z", "ms": 2183278082941.7559 } }, "covered_min": 0, "window_min": 142, "qualifies": false }, { "local_date": "2039-03-10", "window": { "start": { "local": "2039-03-10T15:46:28+08:00", "utc": "2039-03-10T07:46:28Z", "ms": 2183355988238.684 }, "end": { "local": "2039-03-10T18:08:34+08:00", "utc": "2039-03-10T10:08:34Z", "ms": 2183364513800.1704 } }, "covered_min": 142, "window_min": 142, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:30 on Thu 10 Mar to 00:35 on Fri 11 Mar.", "fact": "2039-03-09T18:30:12Z → 2039-03-10T16:35:03Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:46–18:08 on the 9th, 15:46–18:09 on the 10th.", "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 142 minutes on the 9th and 142 of 142 on the 10th.", "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 23189 s" }, { "step": "ruling", "text": "Holikā Dahana, Fuzhou, 2039: Thursday 10 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": "2039-03-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Holikā Dahana 2039 falls on Thursday 10 March. Pūrṇimā runs from 02:30 on Thu 10 Mar to 00:35 on Fri 11 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23189, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-03-10T02:30:12+08:00", "utc": "2039-03-09T18:30:12Z", "ms": 2183308212484.9548 }, "end": { "local": "2039-03-11T00:35:03+08:00", "utc": "2039-03-10T16:35:03Z", "ms": 2183387702663.1868 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2039-03-10T02:30:12+08:00", "utc": "2039-03-09T18:30:12Z", "ms": 2183308212484.9548 }, "end": { "local": "2039-03-11T00:35:03+08:00", "utc": "2039-03-10T16:35:03Z", "ms": 2183387702663.1868 } }, "kaala": "sayahna", "days": [ { "local_date": "2039-03-09", "window": { "start": { "local": "2039-03-09T15:46:16+08:00", "utc": "2039-03-09T07:46:16Z", "ms": 2183269575776.5872 }, "end": { "local": "2039-03-09T18:08:03+08:00", "utc": "2039-03-09T10:08:03Z", "ms": 2183278082941.7559 } }, "covered_min": 0, "window_min": 142, "qualifies": false }, { "local_date": "2039-03-10", "window": { "start": { "local": "2039-03-10T15:46:28+08:00", "utc": "2039-03-10T07:46:28Z", "ms": 2183355988238.684 }, "end": { "local": "2039-03-10T18:08:34+08:00", "utc": "2039-03-10T10:08:34Z", "ms": 2183364513800.1704 } }, "covered_min": 142, "window_min": 142, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2039-03-10", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:30 on Thu 10 Mar to 00:35 on Fri 11 Mar.", "fact": "2039-03-09T18:30:12Z → 2039-03-10T16:35:03Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:46–18:08 on the 9th, 15:46–18:09 on the 10th.", "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 142 minutes on the 9th and 142 of 142 on the 10th.", "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 23189 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Thursday 10 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Fuzhou, 2039: Friday 11 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": "2039-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Holī 2039 falls on Friday 11 March. It is kept the day after Holikā Dahana, which falls on Thursday 10 March. Pūrṇimā runs from 02:30 on Thu 10 Mar to 00:35 on Fri 11 Mar and covers all of sāyāhna on the 10th.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20522, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2039-03-11T00:35:03+08:00", "utc": "2039-03-10T16:35:03Z", "ms": 2183387702663.1868 }, "end": { "local": "2039-03-11T22:14:10+08:00", "utc": "2039-03-11T14:14:10Z", "ms": 2183465649819.3945 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-03-11T00:35:03+08:00", "utc": "2039-03-10T16:35:03Z", "ms": 2183387702663.1868 }, "end": { "local": "2039-03-11T22:14:10+08:00", "utc": "2039-03-11T14:14:10Z", "ms": 2183465649819.3945 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-03-11", "window": { "start": { "local": "2039-03-11T06:17:04+08:00", "utc": "2039-03-10T22:17:04Z", "ms": 2183408224462.0193 }, "end": { "local": "2039-03-11T06:17:04+08:00", "utc": "2039-03-10T22:17:04Z", "ms": 2183408224462.0193 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-03-12", "window": { "start": { "local": "2039-03-12T06:16:03+08:00", "utc": "2039-03-11T22:16:03Z", "ms": 2183494562554.714 }, "end": { "local": "2039-03-12T06:16:03+08:00", "utc": "2039-03-11T22:16:03Z", "ms": 2183494562554.714 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 00:35 on Fri 11 Mar to 22:14 on Fri 11 Mar.", "fact": "2039-03-10T16:35:03Z → 2039-03-11T14:14:10Z" }, { "step": "kaala", "text": "Sunrise is at 06:17 on the 11th and 06:16 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20522 s" }, { "step": "ruling", "text": "Vasantotsava, Fuzhou, 2039: Friday 11 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": "2039-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Vasantotsava 2039 falls on Friday 11 March. Pratipadā runs from 00:35 on Fri 11 Mar to 22:14 on Fri 11 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-03-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14754, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-03-13T16:52:24+08:00", "utc": "2039-03-13T08:52:24Z", "ms": 2183619144369.2927 }, "end": { "local": "2039-03-14T14:08:48+08:00", "utc": "2039-03-14T06:08:48Z", "ms": 2183695727667.2146 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-03-13T16:52:24+08:00", "utc": "2039-03-13T08:52:24Z", "ms": 2183619144369.2927 }, "end": { "local": "2039-03-14T14:08:48+08:00", "utc": "2039-03-14T06:08:48Z", "ms": 2183695727667.2146 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-03-13", "window": { "start": { "local": "2039-03-13T20:58:18+08:00", "utc": "2039-03-13T12:58:18Z", "ms": 2183633898037.4766 }, "end": { "local": "2039-03-13T20:58:18+08:00", "utc": "2039-03-13T12:58:18Z", "ms": 2183633898037.4766 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-03-14", "window": { "start": { "local": "2039-03-14T22:03:03+08:00", "utc": "2039-03-14T14:03:03Z", "ms": 2183724183397.5645 }, "end": { "local": "2039-03-14T22:03:03+08:00", "utc": "2039-03-14T14:03:03Z", "ms": 2183724183397.5645 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:52 on Sun 13 Mar to 14:09 on Mon 14 Mar.", "fact": "2039-03-13T08:52:24Z → 2039-03-14T06:08:48Z" }, { "step": "kaala", "text": "Moonrise is at 20:58 on the 13th and 22:03 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 14754 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2039: Sunday 13 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": "2039-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2039 falls on Sunday 13 March. Caturthī runs from 16:52 on Sun 13 Mar to 14:09 on Mon 14 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-03-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17008, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2039-03-17T07:03:58+08:00", "utc": "2039-03-16T23:03:58Z", "ms": 2183929437618.5286 }, "end": { "local": "2039-03-18T05:16:14+08:00", "utc": "2039-03-17T21:16:14Z", "ms": 2184009373927.8997 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-03-17T07:03:58+08:00", "utc": "2039-03-16T23:03:58Z", "ms": 2183929437618.5286 }, "end": { "local": "2039-03-18T05:16:14+08:00", "utc": "2039-03-17T21:16:14Z", "ms": 2184009373927.8997 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-03-17", "window": { "start": { "local": "2039-03-17T11:47:26+08:00", "utc": "2039-03-17T03:47:26Z", "ms": 2183946445789.37 }, "end": { "local": "2039-03-17T12:35:26+08:00", "utc": "2039-03-17T04:35:26Z", "ms": 2183949325789.37 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-03-18", "window": { "start": { "local": "2039-03-18T11:47:09+08:00", "utc": "2039-03-18T03:47:09Z", "ms": 2184032828599.6565 }, "end": { "local": "2039-03-18T12:35:09+08:00", "utc": "2039-03-18T04:35:09Z", "ms": 2184035708599.6565 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:04 on Thu 17 Mar to 05:16 on Fri 18 Mar.", "fact": "2039-03-16T23:03:58Z → 2039-03-17T21:16:14Z" }, { "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": "Aṣṭamī 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17008 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Fuzhou, 2039: Thursday 17 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": "2039-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalāṣṭamī 2039 falls on Thursday 17 March. Aṣṭamī runs from 07:04 on Thu 17 Mar to 05:16 on Fri 18 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-03-20", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12562, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-03-20T02:38:15+08:00", "utc": "2039-03-19T18:38:15Z", "ms": 2184172694989.4167 }, "end": { "local": "2039-03-21T01:47:56+08:00", "utc": "2039-03-20T17:47:56Z", "ms": 2184256076355.3604 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-03-20T02:38:15+08:00", "utc": "2039-03-19T18:38:15Z", "ms": 2184172694989.4167 }, "end": { "local": "2039-03-21T01:47:56+08:00", "utc": "2039-03-20T17:47:56Z", "ms": 2184256076355.3604 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-03-20", "window": { "start": { "local": "2039-03-20T06:07:37+08:00", "utc": "2039-03-19T22:07:37Z", "ms": 2184185257346.725 }, "end": { "local": "2039-03-20T06:07:37+08:00", "utc": "2039-03-19T22:07:37Z", "ms": 2184185257346.725 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-03-21", "window": { "start": { "local": "2039-03-21T06:06:33+08:00", "utc": "2039-03-20T22:06:33Z", "ms": 2184271593375.545 }, "end": { "local": "2039-03-21T06:06:33+08:00", "utc": "2039-03-20T22:06:33Z", "ms": 2184271593375.545 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:38 on Sun 20 Mar to 01:48 on Mon 21 Mar.", "fact": "2039-03-19T18:38:15Z → 2039-03-20T17:47:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:08 on the 20th and 06:07 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "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 12562 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Fuzhou, 2039: Sunday 20 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": "2039-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāpamocanī Ekādaśī 2039 falls on Sunday 20 March. Ekādaśī runs from 02:38 on Sun 20 Mar to 01:48 on Mon 21 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-03-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-03-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19096, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-03-22T01:17:13+08:00", "utc": "2039-03-21T17:17:13Z", "ms": 2184340632673.5554 }, "end": { "local": "2039-03-23T01:07:24+08:00", "utc": "2039-03-22T17:07:24Z", "ms": 2184426443507.8386 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-03-22T01:17:13+08:00", "utc": "2039-03-21T17:17:13Z", "ms": 2184340632673.5554 }, "end": { "local": "2039-03-23T01:07:24+08:00", "utc": "2039-03-22T17:07:24Z", "ms": 2184426443507.8386 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-03-21", "window": { "start": { "local": "2039-03-21T18:13:59+08:00", "utc": "2039-03-21T10:13:59Z", "ms": 2184315238927.1494 }, "end": { "local": "2039-03-21T19:48:51+08:00", "utc": "2039-03-21T11:48:51Z", "ms": 2184320930978.0735 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2039-03-22", "window": { "start": { "local": "2039-03-22T18:14:28+08:00", "utc": "2039-03-22T10:14:28Z", "ms": 2184401667561.9514 }, "end": { "local": "2039-03-22T19:49:07+08:00", "utc": "2039-03-22T11:49:07Z", "ms": 2184407347243.2776 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:17 on Tue 22 Mar to 01:07 on Wed 23 Mar.", "fact": "2039-03-21T17:17:13Z → 2039-03-22T17:07:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–19:49 on the 21st, 18:14–19:49 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 0 of 95 minutes on the 21st and 95 of 95 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19096 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2039: Tuesday 22 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": "2039-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2039 falls on Tuesday 22 March. Trayodaśī runs from 01:17 on Tue 22 Mar to 01:07 on Wed 23 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-03-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/shivaratri?on=2039-03-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2037, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-03-23T01:07:24+08:00", "utc": "2039-03-22T17:07:24Z", "ms": 2184426443507.8386 }, "end": { "local": "2039-03-24T01:20:38+08:00", "utc": "2039-03-23T17:20:38Z", "ms": 2184513638431.4436 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-03-23T01:07:24+08:00", "utc": "2039-03-22T17:07:24Z", "ms": 2184426443507.8386 }, "end": { "local": "2039-03-24T01:20:38+08:00", "utc": "2039-03-23T17:20:38Z", "ms": 2184513638431.4436 } }, "kaala": "nishita", "days": [ { "local_date": "2039-03-22", "window": { "start": { "local": "2039-03-22T23:45:26+08:00", "utc": "2039-03-22T15:45:26Z", "ms": 2184421526366.9246 }, "end": { "local": "2039-03-23T00:33:26+08:00", "utc": "2039-03-22T16:33:26Z", "ms": 2184424406366.9246 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-03-23", "window": { "start": { "local": "2039-03-23T23:45:09+08:00", "utc": "2039-03-23T15:45:09Z", "ms": 2184507908540.0293 }, "end": { "local": "2039-03-24T00:33:09+08:00", "utc": "2039-03-23T16:33:09Z", "ms": 2184510788540.0293 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:07 on Wed 23 Mar to 01:21 on Thu 24 Mar.", "fact": "2039-03-22T17:07:24Z → 2039-03-23T17:20:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 22nd, 23:45–00:33 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2037 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2039: Wednesday 23 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": "2039-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2039 falls on Wednesday 23 March. Caturdaśī runs from 01:07 on Wed 23 Mar to 01:21 on Thu 24 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2039/shivaratri?on=2039-03-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31100, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2039-03-25T01:59:34+08:00", "utc": "2039-03-24T17:59:34Z", "ms": 2184602373606.8877 }, "end": { "local": "2039-03-26T03:06:27+08:00", "utc": "2039-03-25T19:06:27Z", "ms": 2184692786986.5698 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-03-25T01:59:34+08:00", "utc": "2039-03-24T17:59:34Z", "ms": 2184602373606.8877 }, "end": { "local": "2039-03-26T03:06:27+08:00", "utc": "2039-03-25T19:06:27Z", "ms": 2184692786986.5698 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-03-25", "window": { "start": { "local": "2039-03-25T11:45:05+08:00", "utc": "2039-03-25T03:45:05Z", "ms": 2184637504828.3027 }, "end": { "local": "2039-03-25T12:33:05+08:00", "utc": "2039-03-25T04:33:05Z", "ms": 2184640384828.3027 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-03-26", "window": { "start": { "local": "2039-03-26T11:44:47+08:00", "utc": "2039-03-26T03:44:47Z", "ms": 2184723886861.945 }, "end": { "local": "2039-03-26T12:32:47+08:00", "utc": "2039-03-26T04:32:47Z", "ms": 2184726766861.945 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:00 on Fri 25 Mar to 03:06 on Sat 26 Mar.", "fact": "2039-03-24T17:59:34Z → 2039-03-25T19:06:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 25th, 11:45–12:33 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 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31100 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Fuzhou, 2039: Friday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Caitra) (Chaitra Navratri) 2039 falls on Friday 25 March. Pratipadā runs from 02:00 on Fri 25 Mar to 03:06 on Sat 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17921, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2039-03-27T04:42:16+08:00", "utc": "2039-03-26T20:42:16Z", "ms": 2184784936429.3374 }, "end": { "local": "2039-03-28T06:45:30+08:00", "utc": "2039-03-27T22:45:30Z", "ms": 2184878729553.427 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-03-27T04:42:16+08:00", "utc": "2039-03-26T20:42:16Z", "ms": 2184784936429.3374 }, "end": { "local": "2039-03-28T06:45:30+08:00", "utc": "2039-03-27T22:45:30Z", "ms": 2184878729553.427 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-03-27", "window": { "start": { "local": "2039-03-27T11:44:29+08:00", "utc": "2039-03-27T03:44:29Z", "ms": 2184810268875.1064 }, "end": { "local": "2039-03-27T12:32:29+08:00", "utc": "2039-03-27T04:32:29Z", "ms": 2184813148875.1064 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-03-28", "window": { "start": { "local": "2039-03-28T11:44:11+08:00", "utc": "2039-03-28T03:44:11Z", "ms": 2184896650884.9688 }, "end": { "local": "2039-03-28T12:32:11+08:00", "utc": "2039-03-28T04:32:11Z", "ms": 2184899530884.9688 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:42 on Sun 27 Mar to 06:45 on Mon 28 Mar.", "fact": "2039-03-26T20:42:16Z → 2039-03-27T22:45:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 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": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17921 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Fuzhou, 2039: Sunday 27 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaurī Tṛtīyā (Gangaur) 2039 falls on Sunday 27 March. Tṛtīyā runs from 04:42 on Sun 27 Mar to 06:45 on Mon 28 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17921, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2039-03-27T04:42:16+08:00", "utc": "2039-03-26T20:42:16Z", "ms": 2184784936429.3374 }, "end": { "local": "2039-03-28T06:45:30+08:00", "utc": "2039-03-27T22:45:30Z", "ms": 2184878729553.427 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-03-27T04:42:16+08:00", "utc": "2039-03-26T20:42:16Z", "ms": 2184784936429.3374 }, "end": { "local": "2039-03-28T06:45:30+08:00", "utc": "2039-03-27T22:45:30Z", "ms": 2184878729553.427 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-03-27", "window": { "start": { "local": "2039-03-27T11:44:29+08:00", "utc": "2039-03-27T03:44:29Z", "ms": 2184810268875.1064 }, "end": { "local": "2039-03-27T12:32:29+08:00", "utc": "2039-03-27T04:32:29Z", "ms": 2184813148875.1064 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-03-28", "window": { "start": { "local": "2039-03-28T11:44:11+08:00", "utc": "2039-03-28T03:44:11Z", "ms": 2184896650884.9688 }, "end": { "local": "2039-03-28T12:32:11+08:00", "utc": "2039-03-28T04:32:11Z", "ms": 2184899530884.9688 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:42 on Sun 27 Mar to 06:45 on Mon 28 Mar.", "fact": "2039-03-26T20:42:16Z → 2039-03-27T22:45:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 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": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17921 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Fuzhou, 2039: Sunday 27 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Saubhāgya Śayana Vrata 2039 falls on Sunday 27 March. Tṛtīyā runs from 04:42 on Sun 27 Mar to 06:45 on Mon 28 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-03-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9172, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-03-28T06:45:30+08:00", "utc": "2039-03-27T22:45:30Z", "ms": 2184878729553.427 }, "end": { "local": "2039-03-29T09:11:01+08:00", "utc": "2039-03-29T01:11:01Z", "ms": 2184973861121.363 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-03-28T06:45:30+08:00", "utc": "2039-03-27T22:45:30Z", "ms": 2184878729553.427 }, "end": { "local": "2039-03-29T09:11:01+08:00", "utc": "2039-03-29T01:11:01Z", "ms": 2184973861121.363 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-03-28", "window": { "start": { "local": "2039-03-28T11:44:11+08:00", "utc": "2039-03-28T03:44:11Z", "ms": 2184896650884.9688 }, "end": { "local": "2039-03-28T12:32:11+08:00", "utc": "2039-03-28T04:32:11Z", "ms": 2184899530884.9688 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-03-29", "window": { "start": { "local": "2039-03-29T11:43:53+08:00", "utc": "2039-03-29T03:43:53Z", "ms": 2184983032908.959 }, "end": { "local": "2039-03-29T12:31:53+08:00", "utc": "2039-03-29T04:31:53Z", "ms": 2184985912908.959 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:45 on Mon 28 Mar to 09:11 on Tue 29 Mar.", "fact": "2039-03-27T22:45:30Z → 2039-03-29T01:11:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 28th, 11:44–12:32 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 9172 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2039: Monday 28 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": "2039-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2039 falls on Monday 28 March. Caturthī runs from 06:45 on Mon 28 Mar to 09:11 on Tue 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-03-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 366, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2039-03-29T09:11:01+08:00", "utc": "2039-03-29T01:11:01Z", "ms": 2184973861121.363 }, "end": { "local": "2039-03-30T11:49:41+08:00", "utc": "2039-03-30T03:49:41Z", "ms": 2185069781215.962 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-03-29T09:11:01+08:00", "utc": "2039-03-29T01:11:01Z", "ms": 2184973861121.363 }, "end": { "local": "2039-03-30T11:49:41+08:00", "utc": "2039-03-30T03:49:41Z", "ms": 2185069781215.962 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-03-29", "window": { "start": { "local": "2039-03-29T11:43:53+08:00", "utc": "2039-03-29T03:43:53Z", "ms": 2184983032908.959 }, "end": { "local": "2039-03-29T12:31:53+08:00", "utc": "2039-03-29T04:31:53Z", "ms": 2184985912908.959 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-03-30", "window": { "start": { "local": "2039-03-30T11:43:35+08:00", "utc": "2039-03-30T03:43:35Z", "ms": 2185069414964.7534 }, "end": { "local": "2039-03-30T12:31:35+08:00", "utc": "2039-03-30T04:31:35Z", "ms": 2185072294964.7534 } }, "covered_min": 6, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:11 on Tue 29 Mar to 11:50 on Wed 30 Mar.", "fact": "2039-03-29T01:11:01Z → 2039-03-30T03:49:41Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 6 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 366 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Fuzhou, 2039: Tuesday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-03-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Lakṣmī Pañcamī 2039 falls on Tuesday 29 March. Pañcamī runs from 09:11 on Tue 29 Mar to 11:50 on Wed 30 Mar and covers all of madhyāhna that midday. It also reaches the next midday for 6 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15713, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2039-04-01T16:52:52+08:00", "utc": "2039-04-01T08:52:52Z", "ms": 2185260772272.6077 }, "end": { "local": "2039-04-02T18:47:31+08:00", "utc": "2039-04-02T10:47:31Z", "ms": 2185354050892.739 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-04-01T16:52:52+08:00", "utc": "2039-04-01T08:52:52Z", "ms": 2185260772272.6077 }, "end": { "local": "2039-04-02T18:47:31+08:00", "utc": "2039-04-02T10:47:31Z", "ms": 2185354050892.739 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-04-01", "window": { "start": { "local": "2039-04-01T11:42:59+08:00", "utc": "2039-04-01T03:42:59Z", "ms": 2185242179243.6484 }, "end": { "local": "2039-04-01T12:30:59+08:00", "utc": "2039-04-01T04:30:59Z", "ms": 2185245059243.6484 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-04-02", "window": { "start": { "local": "2039-04-02T11:42:42+08:00", "utc": "2039-04-02T03:42:42Z", "ms": 2185328561503.2966 }, "end": { "local": "2039-04-02T12:30:42+08:00", "utc": "2039-04-02T04:30:42Z", "ms": 2185331441503.2966 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:53 on Fri 1 Apr to 18:48 on Sat 2 Apr.", "fact": "2039-04-01T08:52:52Z → 2039-04-02T10:47:31Z" }, { "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": "Aṣṭamī 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 15713 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Fuzhou, 2039: Saturday 2 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": "2039-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhavānī Utpatti 2039 falls on Saturday 2 April. Aṣṭamī runs from 16:53 on Fri 1 Apr to 18:48 on Sat 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22609, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2039-04-02T18:47:31+08:00", "utc": "2039-04-02T10:47:31Z", "ms": 2185354050892.739 }, "end": { "local": "2039-04-03T20:00:24+08:00", "utc": "2039-04-03T12:00:24Z", "ms": 2185444823944.8718 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-04-02T18:47:31+08:00", "utc": "2039-04-02T10:47:31Z", "ms": 2185354050892.739 }, "end": { "local": "2039-04-03T20:00:24+08:00", "utc": "2039-04-03T12:00:24Z", "ms": 2185444823944.8718 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-04-02", "window": { "start": { "local": "2039-04-02T11:42:42+08:00", "utc": "2039-04-02T03:42:42Z", "ms": 2185328561503.2966 }, "end": { "local": "2039-04-02T12:30:42+08:00", "utc": "2039-04-02T04:30:42Z", "ms": 2185331441503.2966 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-04-03", "window": { "start": { "local": "2039-04-03T11:42:24+08:00", "utc": "2039-04-03T03:42:24Z", "ms": 2185414943867.8896 }, "end": { "local": "2039-04-03T12:30:24+08:00", "utc": "2039-04-03T04:30:24Z", "ms": 2185417823867.8896 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 18:48 on Sat 2 Apr to 20:00 on Sun 3 Apr.", "fact": "2039-04-02T10:47:31Z → 2039-04-03T12:00:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 2nd, 11:42–12:30 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22609 s" }, { "step": "ruling", "text": "Rāma Navamī, Fuzhou, 2039: Sunday 3 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Rāma Navamī 2039 falls on Sunday 3 April. Navamī runs from 18:48 on Sat 2 Apr to 20:00 on Sun 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-04-05", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34007, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-04-04T20:23:49+08:00", "utc": "2039-04-04T12:23:49Z", "ms": 2185532628832.8875 }, "end": { "local": "2039-04-05T19:55:11+08:00", "utc": "2039-04-05T11:55:11Z", "ms": 2185617311239.024 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-04-04T20:23:49+08:00", "utc": "2039-04-04T12:23:49Z", "ms": 2185532628832.8875 }, "end": { "local": "2039-04-05T19:55:11+08:00", "utc": "2039-04-05T11:55:11Z", "ms": 2185617311239.024 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-04-05", "window": { "start": { "local": "2039-04-05T05:50:36+08:00", "utc": "2039-04-04T21:50:36Z", "ms": 2185566636142.7795 }, "end": { "local": "2039-04-05T05:50:36+08:00", "utc": "2039-04-04T21:50:36Z", "ms": 2185566636142.7795 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-04-06", "window": { "start": { "local": "2039-04-06T05:49:34+08:00", "utc": "2039-04-05T21:49:34Z", "ms": 2185652973632.1543 }, "end": { "local": "2039-04-06T05:49:34+08:00", "utc": "2039-04-05T21:49:34Z", "ms": 2185652973632.1543 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:24 on Mon 4 Apr to 19:55 on Tue 5 Apr.", "fact": "2039-04-04T12:23:49Z → 2039-04-05T11:55:11Z" }, { "step": "kaala", "text": "Sunrise is at 05:51 on the 5th and 05:50 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 34007 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Fuzhou, 2039: Tuesday 5 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": "2039-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmadā Ekādaśī 2039 falls on Tuesday 5 April. Ekādaśī runs from 20:24 on Mon 4 Apr to 19:55 on Tue 5 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-04-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-04-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 912, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-04-06T18:36:42+08:00", "utc": "2039-04-06T10:36:42Z", "ms": 2185699002129.5996 }, "end": { "local": "2039-04-07T16:34:17+08:00", "utc": "2039-04-07T08:34:17Z", "ms": 2185778056608.1113 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-04-06T18:36:42+08:00", "utc": "2039-04-06T10:36:42Z", "ms": 2185699002129.5996 }, "end": { "local": "2039-04-07T16:34:17+08:00", "utc": "2039-04-07T08:34:17Z", "ms": 2185778056608.1113 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-04-06", "window": { "start": { "local": "2039-04-06T18:21:30+08:00", "utc": "2039-04-06T10:21:30Z", "ms": 2185698089936.0156 }, "end": { "local": "2039-04-06T19:53:06+08:00", "utc": "2039-04-06T11:53:06Z", "ms": 2185703586136.0444 } }, "covered_min": 76, "window_min": 92, "qualifies": true }, { "local_date": "2039-04-07", "window": { "start": { "local": "2039-04-07T18:21:58+08:00", "utc": "2039-04-07T10:21:58Z", "ms": 2185784518091.744 }, "end": { "local": "2039-04-07T19:53:22+08:00", "utc": "2039-04-07T11:53:22Z", "ms": 2185790002290.662 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:37 on Wed 6 Apr to 16:34 on Thu 7 Apr.", "fact": "2039-04-06T10:36:42Z → 2039-04-07T08:34:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:21–19:53 on the 6th, 18:22–19:53 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 76 of 92 minutes on the 6th and 0 of 91 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 912 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2039: Wednesday 6 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": "2039-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2039 falls on Wednesday 6 April. Trayodaśī runs from 18:37 on Wed 6 Apr to 16:34 on Thu 7 Apr and covers 76 of 92 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-04-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14702, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-04-06T18:36:42+08:00", "utc": "2039-04-06T10:36:42Z", "ms": 2185699002129.5996 }, "end": { "local": "2039-04-07T16:34:17+08:00", "utc": "2039-04-07T08:34:17Z", "ms": 2185778056608.1113 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-04-06T18:36:42+08:00", "utc": "2039-04-06T10:36:42Z", "ms": 2185699002129.5996 }, "end": { "local": "2039-04-07T16:34:17+08:00", "utc": "2039-04-07T08:34:17Z", "ms": 2185778056608.1113 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-04-06", "window": { "start": { "local": "2039-04-06T11:41:32+08:00", "utc": "2039-04-06T03:41:32Z", "ms": 2185674091784.085 }, "end": { "local": "2039-04-06T12:29:32+08:00", "utc": "2039-04-06T04:29:32Z", "ms": 2185676971784.085 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-04-07", "window": { "start": { "local": "2039-04-07T11:41:15+08:00", "utc": "2039-04-07T03:41:15Z", "ms": 2185760474763.9873 }, "end": { "local": "2039-04-07T12:29:15+08:00", "utc": "2039-04-07T04:29:15Z", "ms": 2185763354763.9873 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:37 on Wed 6 Apr to 16:34 on Thu 7 Apr.", "fact": "2039-04-06T10:36:42Z → 2039-04-07T08:34:17Z" }, { "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": "Trayodaśī 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14702 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Fuzhou, 2039: Thursday 7 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": "2039-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Anaṅga Trayodaśī 2039 falls on Thursday 7 April. Trayodaśī runs from 18:37 on Wed 6 Apr to 16:34 on Thu 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5244, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-04-07T16:34:17+08:00", "utc": "2039-04-07T08:34:17Z", "ms": 2185778056608.1113 }, "end": { "local": "2039-04-08T13:56:21+08:00", "utc": "2039-04-08T05:56:21Z", "ms": 2185854981469.0823 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-04-07T16:34:17+08:00", "utc": "2039-04-07T08:34:17Z", "ms": 2185778056608.1113 }, "end": { "local": "2039-04-08T13:56:21+08:00", "utc": "2039-04-08T05:56:21Z", "ms": 2185854981469.0823 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-04-07", "window": { "start": { "local": "2039-04-07T11:41:15+08:00", "utc": "2039-04-07T03:41:15Z", "ms": 2185760474763.9873 }, "end": { "local": "2039-04-07T12:29:15+08:00", "utc": "2039-04-07T04:29:15Z", "ms": 2185763354763.9873 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-04-08", "window": { "start": { "local": "2039-04-08T11:40:58+08:00", "utc": "2039-04-08T03:40:58Z", "ms": 2185846857949.6646 }, "end": { "local": "2039-04-08T12:28:58+08:00", "utc": "2039-04-08T04:28:58Z", "ms": 2185849737949.6646 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:34 on Thu 7 Apr to 13:56 on Fri 8 Apr.", "fact": "2039-04-07T08:34:17Z → 2039-04-08T05:56:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 7th, 11:41–12:29 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "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 5244 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Fuzhou, 2039: Friday 8 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": "2039-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Viṣṇudamanaka Caturdaśī 2039 falls on Friday 8 April. Caturdaśī runs from 16:34 on Thu 7 Apr to 13:56 on Fri 8 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2872, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-04-08T13:56:21+08:00", "utc": "2039-04-08T05:56:21Z", "ms": 2185854981469.0823 }, "end": { "local": "2039-04-09T10:52:49+08:00", "utc": "2039-04-09T02:52:49Z", "ms": 2185930369030.5461 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2039-04-08T13:56:21+08:00", "utc": "2039-04-08T05:56:21Z", "ms": 2185854981469.0823 }, "end": { "local": "2039-04-09T10:52:49+08:00", "utc": "2039-04-09T02:52:49Z", "ms": 2185930369030.5461 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-04-08", "window": { "start": { "local": "2039-04-08T11:40:58+08:00", "utc": "2039-04-08T03:40:58Z", "ms": 2185846857949.6646 }, "end": { "local": "2039-04-08T12:28:58+08:00", "utc": "2039-04-08T04:28:58Z", "ms": 2185849737949.6646 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-04-09", "window": { "start": { "local": "2039-04-09T11:40:41+08:00", "utc": "2039-04-09T03:40:41Z", "ms": 2185933241363.1187 }, "end": { "local": "2039-04-09T12:28:41+08:00", "utc": "2039-04-09T04:28:41Z", "ms": 2185936121363.1187 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:56 on Fri 8 Apr to 10:53 on Sat 9 Apr.", "fact": "2039-04-08T05:56:21Z → 2039-04-09T02:52:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 8th, 11:41–12:29 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 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. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 2872 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Fuzhou, 2039: Saturday 9 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": "2039-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-09", "confidence": "boundary" } ], "quote": "In Fuzhou, Caitrī Pūrṇimā 2039 falls on Saturday 9 April. Pūrṇimā runs from 13:56 on Fri 8 Apr to 10:53 on Sat 9 Apr, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-04-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-11", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1024, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-04-12T00:51:25+08:00", "utc": "2039-04-11T16:51:25Z", "ms": 2186153484566.6453 }, "end": { "local": "2039-04-12T21:45:41+08:00", "utc": "2039-04-12T13:45:41Z", "ms": 2186228740984.538 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-04-12T00:51:25+08:00", "utc": "2039-04-11T16:51:25Z", "ms": 2186153484566.6453 }, "end": { "local": "2039-04-12T21:45:41+08:00", "utc": "2039-04-12T13:45:41Z", "ms": 2186228740984.538 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-04-11", "window": { "start": { "local": "2039-04-11T20:54:22+08:00", "utc": "2039-04-11T12:54:22Z", "ms": 2186139261736.535 }, "end": { "local": "2039-04-11T20:54:22+08:00", "utc": "2039-04-11T12:54:22Z", "ms": 2186139261736.535 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-04-12", "window": { "start": { "local": "2039-04-12T22:02:45+08:00", "utc": "2039-04-12T14:02:45Z", "ms": 2186229765047.1125 }, "end": { "local": "2039-04-12T22:02:45+08:00", "utc": "2039-04-12T14:02:45Z", "ms": 2186229765047.1125 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:51 on Tue 12 Apr to 21:46 on Tue 12 Apr.", "fact": "2039-04-11T16:51:25Z → 2039-04-12T13:45:41Z" }, { "step": "kaala", "text": "Moonrise is at 20:54 on the 11th and 22:03 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 not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1024 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2039: Monday 11 April.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-04-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-11", "confidence": "boundary" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2039 falls on Monday 11 April. Caturthī runs from 00:51 on Tue 12 Apr to 21:46 on Tue 12 Apr, and is current at moonrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-04-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34971, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2039-04-14T19:57:38+08:00", "utc": "2039-04-14T11:57:38Z", "ms": 2186395057940.3318 }, "end": { "local": "2039-05-15T16:46:10+08:00", "utc": "2039-05-15T08:46:10Z", "ms": 2189061970316.0317 } }, "span": { "of": "transit", "start": { "local": "2039-04-14T19:57:38+08:00", "utc": "2039-04-14T11:57:38Z", "ms": 2186395057940.3318 }, "end": { "local": "2039-04-14T19:57:38+08:00", "utc": "2039-04-14T11:57:38Z", "ms": 2186395057940.3318 } }, "kaala": "day", "days": [ { "local_date": "2039-04-14", "window": { "start": { "local": "2039-04-14T05:41:27+08:00", "utc": "2039-04-13T21:41:27Z", "ms": 2186343687300.0037 }, "end": { "local": "2039-04-15T05:40:29+08:00", "utc": "2039-04-14T21:40:29Z", "ms": 2186430028656.0752 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "2039-04-15", "window": { "start": { "local": "2039-04-15T05:40:29+08:00", "utc": "2039-04-14T21:40:29Z", "ms": 2186430028656.0752 }, "end": { "local": "2039-04-16T05:39:31+08:00", "utc": "2039-04-15T21:39:31Z", "ms": 2186516370580.041 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 19:58 on Thu 14 Apr.", "fact": "2039-04-14T11:57:38Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:41 on the 14th, and from 05:40 on the 15th.", "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 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 sunrise → only-day · margin 34971 s" }, { "step": "ruling", "text": "Vaiśākhī, Fuzhou, 2039: Thursday 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": "2039-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2039-04-14", "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": "2039-04-15", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Fuzhou, Vaiśākhī 2039 falls on Thursday 14 April. The Sun enters Meṣa at 19:58 on Thu 14 Apr, and the rule counts the day from sunrise. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 15 April.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-04-19", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24481, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-04-18T12:25:38+08:00", "utc": "2039-04-18T04:25:38Z", "ms": 2186713537712.588 }, "end": { "local": "2039-04-19T12:36:24+08:00", "utc": "2039-04-19T04:36:24Z", "ms": 2186800584002.672 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-04-18T12:25:38+08:00", "utc": "2039-04-18T04:25:38Z", "ms": 2186713537712.588 }, "end": { "local": "2039-04-19T12:36:24+08:00", "utc": "2039-04-19T04:36:24Z", "ms": 2186800584002.672 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-04-18", "window": { "start": { "local": "2039-04-18T05:37:36+08:00", "utc": "2039-04-17T21:37:36Z", "ms": 2186689056230.4426 }, "end": { "local": "2039-04-18T05:37:36+08:00", "utc": "2039-04-17T21:37:36Z", "ms": 2186689056230.4426 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-04-19", "window": { "start": { "local": "2039-04-19T05:36:40+08:00", "utc": "2039-04-18T21:36:40Z", "ms": 2186775400004.185 }, "end": { "local": "2039-04-19T05:36:40+08:00", "utc": "2039-04-18T21:36:40Z", "ms": 2186775400004.185 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:26 on Mon 18 Apr to 12:36 on Tue 19 Apr.", "fact": "2039-04-18T04:25:38Z → 2039-04-19T04:36:24Z" }, { "step": "kaala", "text": "Sunrise is at 05:38 on the 18th and 05:37 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24481 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Fuzhou, 2039: Tuesday 19 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": "2039-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Varūthinī Ekādaśī 2039 falls on Tuesday 19 April. Ekādaśī runs from 12:26 on Mon 18 Apr to 12:36 on Tue 19 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-04-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-04-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15091, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-04-20T13:14:05+08:00", "utc": "2039-04-20T05:14:05Z", "ms": 2186889245032.4082 }, "end": { "local": "2039-04-21T14:17:14+08:00", "utc": "2039-04-21T06:17:14Z", "ms": 2186979434297.5913 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-04-20T13:14:05+08:00", "utc": "2039-04-20T05:14:05Z", "ms": 2186889245032.4082 }, "end": { "local": "2039-04-21T14:17:14+08:00", "utc": "2039-04-21T06:17:14Z", "ms": 2186979434297.5913 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-04-20", "window": { "start": { "local": "2039-04-20T18:28:15+08:00", "utc": "2039-04-20T10:28:15Z", "ms": 2186908094945.0427 }, "end": { "local": "2039-04-20T19:57:08+08:00", "utc": "2039-04-20T11:57:08Z", "ms": 2186913427560.613 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "2039-04-21", "window": { "start": { "local": "2039-04-21T18:28:45+08:00", "utc": "2039-04-21T10:28:45Z", "ms": 2186994525043.4219 }, "end": { "local": "2039-04-21T19:57:26+08:00", "utc": "2039-04-21T11:57:26Z", "ms": 2186999846422.87 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:14 on Wed 20 Apr to 14:17 on Thu 21 Apr.", "fact": "2039-04-20T05:14:05Z → 2039-04-21T06:17:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–19:57 on the 20th, 18:29–19:57 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 89 of 89 minutes on the 20th and 0 of 89 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15091 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2039: Wednesday 20 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": "2039-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2039 falls on Wednesday 20 April. Trayodaśī runs from 13:14 on Wed 20 Apr to 14:17 on Thu 21 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/shivaratri?on=2039-04-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28351, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-04-21T14:17:14+08:00", "utc": "2039-04-21T06:17:14Z", "ms": 2186979434297.5913 }, "end": { "local": "2039-04-22T15:44:37+08:00", "utc": "2039-04-22T07:44:37Z", "ms": 2187071077178.107 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-04-21T14:17:14+08:00", "utc": "2039-04-21T06:17:14Z", "ms": 2186979434297.5913 }, "end": { "local": "2039-04-22T15:44:37+08:00", "utc": "2039-04-22T07:44:37Z", "ms": 2187071077178.107 } }, "kaala": "nishita", "days": [ { "local_date": "2039-04-21", "window": { "start": { "local": "2039-04-21T23:37:20+08:00", "utc": "2039-04-21T15:37:20Z", "ms": 2187013040216.3525 }, "end": { "local": "2039-04-22T00:25:20+08:00", "utc": "2039-04-21T16:25:20Z", "ms": 2187015920216.3525 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-04-22", "window": { "start": { "local": "2039-04-22T23:37:09+08:00", "utc": "2039-04-22T15:37:09Z", "ms": 2187099428627.1187 }, "end": { "local": "2039-04-23T00:25:09+08:00", "utc": "2039-04-22T16:25:09Z", "ms": 2187102308627.1187 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:17 on Thu 21 Apr to 15:45 on Fri 22 Apr.", "fact": "2039-04-21T06:17:14Z → 2039-04-22T07:44:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:37–00:25 on the 21st, 23:37–00:25 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 28351 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2039: Thursday 21 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": "2039-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2039 falls on Thursday 21 April. Caturdaśī runs from 14:17 on Thu 21 Apr to 15:45 on Fri 22 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2039/shivaratri?on=2039-04-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16745, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2039-04-25T22:12:52+08:00", "utc": "2039-04-25T14:12:52Z", "ms": 2187353571786.012 }, "end": { "local": "2039-04-27T00:50:31+08:00", "utc": "2039-04-26T16:50:31Z", "ms": 2187449431071.012 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-04-25T22:12:52+08:00", "utc": "2039-04-25T14:12:52Z", "ms": 2187353571786.012 }, "end": { "local": "2039-04-27T00:50:31+08:00", "utc": "2039-04-26T16:50:31Z", "ms": 2187449431071.012 } }, "kaala": "purvahna", "days": [ { "local_date": "2039-04-26", "window": { "start": { "local": "2039-04-26T05:30:26+08:00", "utc": "2039-04-25T21:30:26Z", "ms": 2187379826181.5825 }, "end": { "local": "2039-04-26T09:50:43+08:00", "utc": "2039-04-26T01:50:43Z", "ms": 2187395443452.7104 } }, "covered_min": 260, "window_min": 260, "qualifies": true }, { "local_date": "2039-04-27", "window": { "start": { "local": "2039-04-27T05:29:36+08:00", "utc": "2039-04-26T21:29:36Z", "ms": 2187466175853.445 }, "end": { "local": "2039-04-27T09:50:20+08:00", "utc": "2039-04-27T01:50:20Z", "ms": 2187481820251.7961 } }, "covered_min": 0, "window_min": 261, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:13 on Mon 25 Apr to 00:51 on Wed 27 Apr.", "fact": "2039-04-25T14:12:52Z → 2039-04-26T16:50:31Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:30–09:51 on the 26th, 05:30–09:50 on the 27th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 260 of 260 minutes on the 26th and 0 of 261 on the 27th.", "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 16745 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Fuzhou, 2039: Tuesday 26 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Akṣaya Tṛtīyā 2039 falls on Tuesday 26 April. Tṛtīyā runs from 22:13 on Mon 25 Apr to 00:51 on Wed 27 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8047, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2039-04-25T22:12:52+08:00", "utc": "2039-04-25T14:12:52Z", "ms": 2187353571786.012 }, "end": { "local": "2039-04-27T00:50:31+08:00", "utc": "2039-04-26T16:50:31Z", "ms": 2187449431071.012 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-04-25T22:12:52+08:00", "utc": "2039-04-25T14:12:52Z", "ms": 2187353571786.012 }, "end": { "local": "2039-04-27T00:50:31+08:00", "utc": "2039-04-26T16:50:31Z", "ms": 2187449431071.012 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-04-25", "window": { "start": { "local": "2039-04-25T18:30:47+08:00", "utc": "2039-04-25T10:30:47Z", "ms": 2187340247089.2324 }, "end": { "local": "2039-04-25T19:58:44+08:00", "utc": "2039-04-25T11:58:44Z", "ms": 2187345524301.5457 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "2039-04-26", "window": { "start": { "local": "2039-04-26T18:31:18+08:00", "utc": "2039-04-26T10:31:18Z", "ms": 2187426677994.966 }, "end": { "local": "2039-04-26T19:59:04+08:00", "utc": "2039-04-26T11:59:04Z", "ms": 2187431944376.0967 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:13 on Mon 25 Apr to 00:51 on Wed 27 Apr.", "fact": "2039-04-25T14:12:52Z → 2039-04-26T16:50:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–19:59 on the 25th, 18:31–19:59 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 88 minutes on the 25th and 88 of 88 on the 26th.", "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 8047 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Fuzhou, 2039: Tuesday 26 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Paraśurāma Jayantī 2039 falls on Tuesday 26 April. Tṛtīyā runs from 22:13 on Mon 25 Apr to 00:51 on Wed 27 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-04-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29222, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-04-27T00:50:31+08:00", "utc": "2039-04-26T16:50:31Z", "ms": 2187449431071.012 }, "end": { "local": "2039-04-28T03:29:31+08:00", "utc": "2039-04-27T19:29:31Z", "ms": 2187545370838.1846 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-04-27T00:50:31+08:00", "utc": "2039-04-26T16:50:31Z", "ms": 2187449431071.012 }, "end": { "local": "2039-04-28T03:29:31+08:00", "utc": "2039-04-27T19:29:31Z", "ms": 2187545370838.1846 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-04-27", "window": { "start": { "local": "2039-04-27T11:36:42+08:00", "utc": "2039-04-27T03:36:42Z", "ms": 2187488202450.9717 }, "end": { "local": "2039-04-27T12:24:42+08:00", "utc": "2039-04-27T04:24:42Z", "ms": 2187491082450.9717 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-04-28", "window": { "start": { "local": "2039-04-28T11:36:33+08:00", "utc": "2039-04-28T03:36:33Z", "ms": 2187574593299.7622 }, "end": { "local": "2039-04-28T12:24:33+08:00", "utc": "2039-04-28T04:24:33Z", "ms": 2187577473299.7622 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:51 on Wed 27 Apr to 03:30 on Thu 28 Apr.", "fact": "2039-04-26T16:50:31Z → 2039-04-27T19:29:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 27th, 11:37–12:25 on the 28th.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29222 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2039: Wednesday 27 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": "2039-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2039 falls on Wednesday 27 April. Caturthī runs from 00:51 on Wed 27 Apr to 03:30 on Thu 28 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20272, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2039-04-28T03:29:31+08:00", "utc": "2039-04-27T19:29:31Z", "ms": 2187545370838.1846 }, "end": { "local": "2039-04-29T05:58:33+08:00", "utc": "2039-04-28T21:58:33Z", "ms": 2187640712814.1445 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-04-28T03:29:31+08:00", "utc": "2039-04-27T19:29:31Z", "ms": 2187545370838.1846 }, "end": { "local": "2039-04-29T05:58:33+08:00", "utc": "2039-04-28T21:58:33Z", "ms": 2187640712814.1445 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-04-28", "window": { "start": { "local": "2039-04-28T11:36:33+08:00", "utc": "2039-04-28T03:36:33Z", "ms": 2187574593299.7622 }, "end": { "local": "2039-04-28T12:24:33+08:00", "utc": "2039-04-28T04:24:33Z", "ms": 2187577473299.7622 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-04-29", "window": { "start": { "local": "2039-04-29T11:36:25+08:00", "utc": "2039-04-29T03:36:25Z", "ms": 2187660984641.5466 }, "end": { "local": "2039-04-29T12:24:25+08:00", "utc": "2039-04-29T04:24:25Z", "ms": 2187663864641.5466 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:30 on Thu 28 Apr to 05:59 on Fri 29 Apr.", "fact": "2039-04-27T19:29:31Z → 2039-04-28T21:58:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 28th, 11:36–12:24 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20272 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Fuzhou, 2039: Thursday 28 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Śaṅkara Jayantī 2039 falls on Thursday 28 April. Pañcamī runs from 03:30 on Thu 28 Apr to 05:59 on Fri 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7129, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2039-04-30T08:05:08+08:00", "utc": "2039-04-30T00:05:08Z", "ms": 2187734707918.67 }, "end": { "local": "2039-05-01T09:37:20+08:00", "utc": "2039-05-01T01:37:20Z", "ms": 2187826640213.4229 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-04-30T08:05:08+08:00", "utc": "2039-04-30T00:05:08Z", "ms": 2187734707918.67 }, "end": { "local": "2039-05-01T09:37:20+08:00", "utc": "2039-05-01T01:37:20Z", "ms": 2187826640213.4229 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-04-30", "window": { "start": { "local": "2039-04-30T11:36:16+08:00", "utc": "2039-04-30T03:36:16Z", "ms": 2187747376482.978 }, "end": { "local": "2039-04-30T12:24:16+08:00", "utc": "2039-04-30T04:24:16Z", "ms": 2187750256482.978 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-05-01", "window": { "start": { "local": "2039-05-01T11:36:09+08:00", "utc": "2039-05-01T03:36:09Z", "ms": 2187833768830.5122 }, "end": { "local": "2039-05-01T12:24:09+08:00", "utc": "2039-05-01T04:24:09Z", "ms": 2187836648830.5122 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:05 on Sat 30 Apr to 09:37 on Sun 1 May.", "fact": "2039-04-30T00:05:08Z → 2039-05-01T01:37:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 30th, 11:36–12:24 on the 1st.", "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 30th and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7129 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Fuzhou, 2039: Saturday 30 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-04-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṅgotpatti (Ganga Saptami) 2039 falls on Saturday 30 April. Saptamī runs from 08:05 on Sat 30 Apr to 09:37 on Sun 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-05-05", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8779, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-05-04T09:31:20+08:00", "utc": "2039-05-04T01:31:20Z", "ms": 2188085479967.5593 }, "end": { "local": "2039-05-05T07:49:44+08:00", "utc": "2039-05-04T23:49:44Z", "ms": 2188165784225.318 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-04T09:31:20+08:00", "utc": "2039-05-04T01:31:20Z", "ms": 2188085479967.5593 }, "end": { "local": "2039-05-05T07:49:44+08:00", "utc": "2039-05-04T23:49:44Z", "ms": 2188165784225.318 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-05-04", "window": { "start": { "local": "2039-05-04T05:24:08+08:00", "utc": "2039-05-03T21:24:08Z", "ms": 2188070647945.3638 }, "end": { "local": "2039-05-04T05:24:08+08:00", "utc": "2039-05-03T21:24:08Z", "ms": 2188070647945.3638 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-05-05", "window": { "start": { "local": "2039-05-05T05:23:25+08:00", "utc": "2039-05-04T21:23:25Z", "ms": 2188157004830.194 }, "end": { "local": "2039-05-05T05:23:25+08:00", "utc": "2039-05-04T21:23:25Z", "ms": 2188157004830.194 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:31 on Wed 4 May to 07:50 on Thu 5 May.", "fact": "2039-05-04T01:31:20Z → 2039-05-04T23:49:44Z" }, { "step": "kaala", "text": "Sunrise is at 05:24 on the 4th and 05:23 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8779 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Fuzhou, 2039: Thursday 5 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": "2039-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Mohinī Ekādaśī 2039 falls on Thursday 5 May. Ekādaśī runs from 09:31 on Wed 4 May to 07:50 on Thu 5 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-05-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13559, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2039-05-05T07:49:44+08:00", "utc": "2039-05-04T23:49:44Z", "ms": 2188165784225.318 }, "end": { "local": "2039-05-06T05:25:06+08:00", "utc": "2039-05-05T21:25:06Z", "ms": 2188243505602.4282 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-05T07:49:44+08:00", "utc": "2039-05-04T23:49:44Z", "ms": 2188165784225.318 }, "end": { "local": "2039-05-06T05:25:06+08:00", "utc": "2039-05-05T21:25:06Z", "ms": 2188243505602.4282 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-05-05", "window": { "start": { "local": "2039-05-05T11:35:43+08:00", "utc": "2039-05-05T03:35:43Z", "ms": 2188179343409.0254 }, "end": { "local": "2039-05-05T12:23:43+08:00", "utc": "2039-05-05T04:23:43Z", "ms": 2188182223409.0254 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-05-06", "window": { "start": { "local": "2039-05-06T11:35:38+08:00", "utc": "2039-05-06T03:35:38Z", "ms": 2188265738384.192 }, "end": { "local": "2039-05-06T12:23:38+08:00", "utc": "2039-05-06T04:23:38Z", "ms": 2188268618384.192 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:50 on Thu 5 May to 05:25 on Fri 6 May.", "fact": "2039-05-04T23:49:44Z → 2039-05-05T21:25:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 5th, 11:36–12:24 on the 6th.", "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 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 13559 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Fuzhou, 2039: Thursday 5 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": "2039-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Paraśurāma Dvādaśī 2039 falls on Thursday 5 May. Dvādaśī runs from 07:50 on Thu 5 May to 05:25 on Fri 6 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13559, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2039-05-05T07:49:44+08:00", "utc": "2039-05-04T23:49:44Z", "ms": 2188165784225.318 }, "end": { "local": "2039-05-06T05:25:06+08:00", "utc": "2039-05-05T21:25:06Z", "ms": 2188243505602.4282 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-05T07:49:44+08:00", "utc": "2039-05-04T23:49:44Z", "ms": 2188165784225.318 }, "end": { "local": "2039-05-06T05:25:06+08:00", "utc": "2039-05-05T21:25:06Z", "ms": 2188243505602.4282 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-05-05", "window": { "start": { "local": "2039-05-05T11:35:43+08:00", "utc": "2039-05-05T03:35:43Z", "ms": 2188179343409.0254 }, "end": { "local": "2039-05-05T12:23:43+08:00", "utc": "2039-05-05T04:23:43Z", "ms": 2188182223409.0254 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-05-06", "window": { "start": { "local": "2039-05-06T11:35:38+08:00", "utc": "2039-05-06T03:35:38Z", "ms": 2188265738384.192 }, "end": { "local": "2039-05-06T12:23:38+08:00", "utc": "2039-05-06T04:23:38Z", "ms": 2188268618384.192 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:50 on Thu 5 May to 05:25 on Fri 6 May.", "fact": "2039-05-04T23:49:44Z → 2039-05-05T21:25:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 5th, 11:36–12:24 on the 6th.", "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 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 13559 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Fuzhou, 2039: Thursday 5 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": "2039-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Rukmiṇī Dvādaśī 2039 falls on Thursday 5 May. Dvādaśī runs from 07:50 on Thu 5 May to 05:25 on Fri 6 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-05-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22971, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-05-06T05:25:06+08:00", "utc": "2039-05-05T21:25:06Z", "ms": 2188243505602.4282 }, "end": { "local": "2039-05-07T02:25:29+08:00", "utc": "2039-05-06T18:25:29Z", "ms": 2188319128909.9812 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-06T05:25:06+08:00", "utc": "2039-05-05T21:25:06Z", "ms": 2188243505602.4282 }, "end": { "local": "2039-05-07T02:25:29+08:00", "utc": "2039-05-06T18:25:29Z", "ms": 2188319128909.9812 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-05-05", "window": { "start": { "local": "2039-05-05T18:36:02+08:00", "utc": "2039-05-05T10:36:02Z", "ms": 2188204561987.8567 }, "end": { "local": "2039-05-05T20:02:15+08:00", "utc": "2039-05-05T12:02:15Z", "ms": 2188209735417.3972 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "2039-05-06", "window": { "start": { "local": "2039-05-06T18:36:34+08:00", "utc": "2039-05-06T10:36:34Z", "ms": 2188290994058.9736 }, "end": { "local": "2039-05-06T20:02:38+08:00", "utc": "2039-05-06T12:02:38Z", "ms": 2188296157731.681 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:25 on Fri 6 May to 02:25 on Sat 7 May.", "fact": "2039-05-05T21:25:06Z → 2039-05-06T18:25:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:02 on the 5th, 18:37–20:03 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 5th and 86 of 86 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 22971 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2039: Friday 6 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": "2039-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2039 falls on Friday 6 May. Trayodaśī runs from 05:25 on Fri 6 May to 02:25 on Sat 7 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-05-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10644, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-05-07T02:25:29+08:00", "utc": "2039-05-06T18:25:29Z", "ms": 2188319128909.9812 }, "end": { "local": "2039-05-07T23:00:24+08:00", "utc": "2039-05-07T15:00:24Z", "ms": 2188393224391.8362 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-07T02:25:29+08:00", "utc": "2039-05-06T18:25:29Z", "ms": 2188319128909.9812 }, "end": { "local": "2039-05-07T23:00:24+08:00", "utc": "2039-05-07T15:00:24Z", "ms": 2188393224391.8362 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-05-06", "window": { "start": { "local": "2039-05-06T18:36:34+08:00", "utc": "2039-05-06T10:36:34Z", "ms": 2188290994058.9736 }, "end": { "local": "2039-05-06T20:02:38+08:00", "utc": "2039-05-06T12:02:38Z", "ms": 2188296157731.681 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "2039-05-07", "window": { "start": { "local": "2039-05-07T18:37:06+08:00", "utc": "2039-05-07T10:37:06Z", "ms": 2188377426208.333 }, "end": { "local": "2039-05-07T20:03:00+08:00", "utc": "2039-05-07T12:03:00Z", "ms": 2188382580252.0417 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:25 on Sat 7 May to 23:00 on Sat 7 May.", "fact": "2039-05-06T18:25:29Z → 2039-05-07T15:00:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:03 on the 6th, 18:37–20:03 on the 7th.", "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 86 minutes on the 6th and 86 of 86 on the 7th.", "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 10644 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Fuzhou, 2039: Saturday 7 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": "2039-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2039 falls on Saturday 7 May. Caturdaśī runs from 02:25 on Sat 7 May to 23:00 on Sat 7 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24994, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-05-07T23:00:24+08:00", "utc": "2039-05-07T15:00:24Z", "ms": 2188393224391.8362 }, "end": { "local": "2039-05-08T19:20:04+08:00", "utc": "2039-05-08T11:20:04Z", "ms": 2188466403983.7122 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-07T23:00:24+08:00", "utc": "2039-05-07T15:00:24Z", "ms": 2188393224391.8362 }, "end": { "local": "2039-05-08T19:20:04+08:00", "utc": "2039-05-08T11:20:04Z", "ms": 2188466403983.7122 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-05-07", "window": { "start": { "local": "2039-05-07T11:35:34+08:00", "utc": "2039-05-07T03:35:34Z", "ms": 2188352133906.3052 }, "end": { "local": "2039-05-07T12:23:34+08:00", "utc": "2039-05-07T04:23:34Z", "ms": 2188355013906.3052 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-05-08", "window": { "start": { "local": "2039-05-08T11:35:30+08:00", "utc": "2039-05-08T03:35:30Z", "ms": 2188438529983.3118 }, "end": { "local": "2039-05-08T12:23:30+08:00", "utc": "2039-05-08T04:23:30Z", "ms": 2188441409983.3118 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:00 on Sat 7 May to 19:20 on Sun 8 May.", "fact": "2039-05-07T15:00:24Z → 2039-05-08T11:20:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 7th, 11:35–12:23 on the 8th.", "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 7th and 48 of 48 on the 8th.", "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 24994 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Fuzhou, 2039: Sunday 8 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": "2039-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Buddha Pūrṇimā 2039 falls on Sunday 8 May. Pūrṇimā runs from 23:00 on Sat 7 May to 19:20 on Sun 8 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24994, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-05-07T23:00:24+08:00", "utc": "2039-05-07T15:00:24Z", "ms": 2188393224391.8362 }, "end": { "local": "2039-05-08T19:20:04+08:00", "utc": "2039-05-08T11:20:04Z", "ms": 2188466403983.7122 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-07T23:00:24+08:00", "utc": "2039-05-07T15:00:24Z", "ms": 2188393224391.8362 }, "end": { "local": "2039-05-08T19:20:04+08:00", "utc": "2039-05-08T11:20:04Z", "ms": 2188466403983.7122 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-05-07", "window": { "start": { "local": "2039-05-07T11:35:34+08:00", "utc": "2039-05-07T03:35:34Z", "ms": 2188352133906.3052 }, "end": { "local": "2039-05-07T12:23:34+08:00", "utc": "2039-05-07T04:23:34Z", "ms": 2188355013906.3052 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-05-08", "window": { "start": { "local": "2039-05-08T11:35:30+08:00", "utc": "2039-05-08T03:35:30Z", "ms": 2188438529983.3118 }, "end": { "local": "2039-05-08T12:23:30+08:00", "utc": "2039-05-08T04:23:30Z", "ms": 2188441409983.3118 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:00 on Sat 7 May to 19:20 on Sun 8 May.", "fact": "2039-05-07T15:00:24Z → 2039-05-08T11:20:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 7th, 11:35–12:23 on the 8th.", "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 7th and 48 of 48 on the 8th.", "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 24994 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Fuzhou, 2039: Sunday 8 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": "2039-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Sampat Gaurī Vrata 2039 falls on Sunday 8 May. Pūrṇimā runs from 23:00 on Sat 7 May to 19:20 on Sun 8 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-05-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26818, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-05-11T08:29:07+08:00", "utc": "2039-05-11T00:29:07Z", "ms": 2188686547415.847 }, "end": { "local": "2039-05-12T05:26:37+08:00", "utc": "2039-05-11T21:26:37Z", "ms": 2188761996853.7393 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-11T08:29:07+08:00", "utc": "2039-05-11T00:29:07Z", "ms": 2188686547415.847 }, "end": { "local": "2039-05-12T05:26:37+08:00", "utc": "2039-05-11T21:26:37Z", "ms": 2188761996853.7393 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-05-10", "window": { "start": { "local": "2039-05-10T20:51:52+08:00", "utc": "2039-05-10T12:51:52Z", "ms": 2188644712186.6755 }, "end": { "local": "2039-05-10T20:51:52+08:00", "utc": "2039-05-10T12:51:52Z", "ms": 2188644712186.6755 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-05-11", "window": { "start": { "local": "2039-05-11T21:59:39+08:00", "utc": "2039-05-11T13:59:39Z", "ms": 2188735178955.1682 }, "end": { "local": "2039-05-11T21:59:39+08:00", "utc": "2039-05-11T13:59:39Z", "ms": 2188735178955.1682 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:29 on Wed 11 May to 05:27 on Thu 12 May.", "fact": "2039-05-11T00:29:07Z → 2039-05-11T21:26:37Z" }, { "step": "kaala", "text": "Moonrise is at 20:52 on the 10th and 22:00 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26818 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2039: Wednesday 11 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": "2039-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2039 falls on Wednesday 11 May. Caturthī runs from 08:29 on Wed 11 May to 05:27 on Thu 12 May and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-05-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/ekadashi?on=2039-05-18", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15263, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-05-17T23:47:27+08:00", "utc": "2039-05-17T15:47:27Z", "ms": 2189260046900.0444 }, "end": { "local": "2039-05-19T01:00:52+08:00", "utc": "2039-05-18T17:00:52Z", "ms": 2189350851618.7534 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-17T23:47:27+08:00", "utc": "2039-05-17T15:47:27Z", "ms": 2189260046900.0444 }, "end": { "local": "2039-05-19T01:00:52+08:00", "utc": "2039-05-18T17:00:52Z", "ms": 2189350851618.7534 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-05-18", "window": { "start": { "local": "2039-05-18T05:15:42+08:00", "utc": "2039-05-17T21:15:42Z", "ms": 2189279742210.6594 }, "end": { "local": "2039-05-18T05:15:42+08:00", "utc": "2039-05-17T21:15:42Z", "ms": 2189279742210.6594 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-05-19", "window": { "start": { "local": "2039-05-19T05:15:15+08:00", "utc": "2039-05-18T21:15:15Z", "ms": 2189366114764.8274 }, "end": { "local": "2039-05-19T05:15:15+08:00", "utc": "2039-05-18T21:15:15Z", "ms": 2189366114764.8274 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:47 on Tue 17 May to 01:01 on Thu 19 May.", "fact": "2039-05-17T15:47:27Z → 2039-05-18T17:00:52Z" }, { "step": "kaala", "text": "Sunrise is at 05:16 on the 18th and 05:15 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15263 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Fuzhou, 2039: Wednesday 18 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": "2039-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Aparā Ekādaśī 2039 falls on Wednesday 18 May. Ekādaśī runs from 23:47 on Tue 17 May to 01:01 on Thu 19 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-05-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-05-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23668, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-05-20T02:42:12+08:00", "utc": "2039-05-19T18:42:12Z", "ms": 2189443332228.8787 }, "end": { "local": "2039-05-21T04:45:59+08:00", "utc": "2039-05-20T20:45:59Z", "ms": 2189537158827.803 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-20T02:42:12+08:00", "utc": "2039-05-19T18:42:12Z", "ms": 2189443332228.8787 }, "end": { "local": "2039-05-21T04:45:59+08:00", "utc": "2039-05-20T20:45:59Z", "ms": 2189537158827.803 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-05-19", "window": { "start": { "local": "2039-05-19T18:43:35+08:00", "utc": "2039-05-19T10:43:35Z", "ms": 2189414614826.0073 }, "end": { "local": "2039-05-19T20:07:45+08:00", "utc": "2039-05-19T12:07:45Z", "ms": 2189419664655.0588 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2039-05-20", "window": { "start": { "local": "2039-05-20T18:44:07+08:00", "utc": "2039-05-20T10:44:07Z", "ms": 2189501046968.6147 }, "end": { "local": "2039-05-20T20:08:09+08:00", "utc": "2039-05-20T12:08:09Z", "ms": 2189506089180.115 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:42 on Fri 20 May to 04:46 on Sat 21 May.", "fact": "2039-05-19T18:42:12Z → 2039-05-20T20:45:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:08 on the 19th, 18:44–20:08 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 84 minutes on the 19th and 84 of 84 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23668 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2039: Friday 20 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": "2039-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2039 falls on Friday 20 May. Trayodaśī runs from 02:42 on Fri 20 May to 04:46 on Sat 21 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-05-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/shivaratri?on=2039-05-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15764, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-05-21T04:45:59+08:00", "utc": "2039-05-20T20:45:59Z", "ms": 2189537158827.803 }, "end": { "local": "2039-05-22T07:06:32+08:00", "utc": "2039-05-21T23:06:32Z", "ms": 2189631992403.7893 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-21T04:45:59+08:00", "utc": "2039-05-20T20:45:59Z", "ms": 2189537158827.803 }, "end": { "local": "2039-05-22T07:06:32+08:00", "utc": "2039-05-21T23:06:32Z", "ms": 2189631992403.7893 } }, "kaala": "nishita", "days": [ { "local_date": "2039-05-20", "window": { "start": { "local": "2039-05-20T23:35:15+08:00", "utc": "2039-05-20T15:35:15Z", "ms": 2189518515261.741 }, "end": { "local": "2039-05-21T00:23:15+08:00", "utc": "2039-05-20T16:23:15Z", "ms": 2189521395261.741 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-05-21", "window": { "start": { "local": "2039-05-21T23:35:19+08:00", "utc": "2039-05-21T15:35:19Z", "ms": 2189604919387.173 }, "end": { "local": "2039-05-22T00:23:19+08:00", "utc": "2039-05-21T16:23:19Z", "ms": 2189607799387.173 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:46 on Sat 21 May to 07:07 on Sun 22 May.", "fact": "2039-05-20T20:45:59Z → 2039-05-21T23:06:32Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 20th, 23:35–00:23 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15764 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2039: Saturday 21 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2039 falls on Saturday 21 May. Caturdaśī runs from 04:46 on Sat 21 May to 07:07 on Sun 22 May and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2039/shivaratri?on=2039-05-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8694, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2039-05-25T14:48:45+08:00", "utc": "2039-05-25T06:48:45Z", "ms": 2189918924927.8079 }, "end": { "local": "2039-05-26T17:13:21+08:00", "utc": "2039-05-26T09:13:21Z", "ms": 2190014001336.8206 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-25T14:48:45+08:00", "utc": "2039-05-25T06:48:45Z", "ms": 2189918924927.8079 }, "end": { "local": "2039-05-26T17:13:21+08:00", "utc": "2039-05-26T09:13:21Z", "ms": 2190014001336.8206 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-05-25", "window": { "start": { "local": "2039-05-25T11:35:51+08:00", "utc": "2039-05-25T03:35:51Z", "ms": 2189907350521.0457 }, "end": { "local": "2039-05-25T12:23:51+08:00", "utc": "2039-05-25T04:23:51Z", "ms": 2189910230521.0457 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-05-26", "window": { "start": { "local": "2039-05-26T11:35:57+08:00", "utc": "2039-05-26T03:35:57Z", "ms": 2189993756579.4204 }, "end": { "local": "2039-05-26T12:23:57+08:00", "utc": "2039-05-26T04:23:57Z", "ms": 2189996636579.4204 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:49 on Wed 25 May to 17:13 on Thu 26 May.", "fact": "2039-05-25T06:48:45Z → 2039-05-26T09:13:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 25th, 11:36–12:24 on the 26th.", "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 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8694 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Fuzhou, 2039: Thursday 26 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Rambhā Tṛtīyā 2039 falls on Thursday 26 May. Tṛtīyā runs from 14:49 on Wed 25 May to 17:13 on Thu 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-05-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17365, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-05-26T17:13:21+08:00", "utc": "2039-05-26T09:13:21Z", "ms": 2190014001336.8206 }, "end": { "local": "2039-05-27T19:19:51+08:00", "utc": "2039-05-27T11:19:51Z", "ms": 2190107991325.6357 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-26T17:13:21+08:00", "utc": "2039-05-26T09:13:21Z", "ms": 2190014001336.8206 }, "end": { "local": "2039-05-27T19:19:51+08:00", "utc": "2039-05-27T11:19:51Z", "ms": 2190107991325.6357 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-05-26", "window": { "start": { "local": "2039-05-26T11:35:57+08:00", "utc": "2039-05-26T03:35:57Z", "ms": 2189993756579.4204 }, "end": { "local": "2039-05-26T12:23:57+08:00", "utc": "2039-05-26T04:23:57Z", "ms": 2189996636579.4204 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-05-27", "window": { "start": { "local": "2039-05-27T11:36:03+08:00", "utc": "2039-05-27T03:36:03Z", "ms": 2190080163106.9807 }, "end": { "local": "2039-05-27T12:24:03+08:00", "utc": "2039-05-27T04:24:03Z", "ms": 2190083043106.9807 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:13 on Thu 26 May to 19:20 on Fri 27 May.", "fact": "2039-05-26T09:13:21Z → 2039-05-27T11:19:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 26th, 11:36–12:24 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 48 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 17365 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2039: Friday 27 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": "2039-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2039 falls on Friday 27 May. Caturthī runs from 17:13 on Thu 26 May to 19:20 on Fri 27 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-05-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30929, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2039-05-28T20:59:39+08:00", "utc": "2039-05-28T12:59:39Z", "ms": 2190200379419.543 }, "end": { "local": "2039-05-29T22:04:50+08:00", "utc": "2039-05-29T14:04:50Z", "ms": 2190290689608.7175 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-28T20:59:39+08:00", "utc": "2039-05-28T12:59:39Z", "ms": 2190200379419.543 }, "end": { "local": "2039-05-29T22:04:50+08:00", "utc": "2039-05-29T14:04:50Z", "ms": 2190290689608.7175 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-05-28", "window": { "start": { "local": "2039-05-28T11:36:10+08:00", "utc": "2039-05-28T03:36:10Z", "ms": 2190166570088.495 }, "end": { "local": "2039-05-28T12:24:10+08:00", "utc": "2039-05-28T04:24:10Z", "ms": 2190169450088.495 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-05-29", "window": { "start": { "local": "2039-05-29T11:36:18+08:00", "utc": "2039-05-29T03:36:18Z", "ms": 2190252977508.2998 }, "end": { "local": "2039-05-29T12:24:18+08:00", "utc": "2039-05-29T04:24:18Z", "ms": 2190255857508.2998 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:00 on Sat 28 May to 22:05 on Sun 29 May.", "fact": "2039-05-28T12:59:39Z → 2039-05-29T14:04:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 28th, 11:36–12:24 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 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30929 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Fuzhou, 2039: Sunday 29 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Araṇya Gaurī Vrata 2039 falls on Sunday 29 May. Ṣaṣṭhī runs from 21:00 on Sat 28 May to 22:05 on Sun 29 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30929, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2039-05-28T20:59:39+08:00", "utc": "2039-05-28T12:59:39Z", "ms": 2190200379419.543 }, "end": { "local": "2039-05-29T22:04:50+08:00", "utc": "2039-05-29T14:04:50Z", "ms": 2190290689608.7175 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2039-05-28T20:59:39+08:00", "utc": "2039-05-28T12:59:39Z", "ms": 2190200379419.543 }, "end": { "local": "2039-05-29T22:04:50+08:00", "utc": "2039-05-29T14:04:50Z", "ms": 2190290689608.7175 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-05-28", "window": { "start": { "local": "2039-05-28T11:36:10+08:00", "utc": "2039-05-28T03:36:10Z", "ms": 2190166570088.495 }, "end": { "local": "2039-05-28T12:24:10+08:00", "utc": "2039-05-28T04:24:10Z", "ms": 2190169450088.495 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-05-29", "window": { "start": { "local": "2039-05-29T11:36:18+08:00", "utc": "2039-05-29T03:36:18Z", "ms": 2190252977508.2998 }, "end": { "local": "2039-05-29T12:24:18+08:00", "utc": "2039-05-29T04:24:18Z", "ms": 2190255857508.2998 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:00 on Sat 28 May to 22:05 on Sun 29 May.", "fact": "2039-05-28T12:59:39Z → 2039-05-29T14:04:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 28th, 11:36–12:24 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 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30929 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Fuzhou, 2039: Sunday 29 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-05-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2039 falls on Sunday 29 May. Ṣaṣṭhī runs from 21:00 on Sat 28 May to 22:05 on Sun 29 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-06-03", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35906, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-06-02T19:12:26+08:00", "utc": "2039-06-02T11:12:26Z", "ms": 2190625946454.2212 }, "end": { "local": "2039-06-03T16:43:27+08:00", "utc": "2039-06-03T08:43:27Z", "ms": 2190703406735.0789 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2039-06-02T19:12:26+08:00", "utc": "2039-06-02T11:12:26Z", "ms": 2190625946454.2212 }, "end": { "local": "2039-06-03T16:43:27+08:00", "utc": "2039-06-03T08:43:27Z", "ms": 2190703406735.0789 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-06-03", "window": { "start": { "local": "2039-06-03T05:10:52+08:00", "utc": "2039-06-02T21:10:52Z", "ms": 2190661852138.1772 }, "end": { "local": "2039-06-03T05:10:52+08:00", "utc": "2039-06-02T21:10:52Z", "ms": 2190661852138.1772 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-06-04", "window": { "start": { "local": "2039-06-04T05:10:45+08:00", "utc": "2039-06-03T21:10:45Z", "ms": 2190748244591.5264 }, "end": { "local": "2039-06-04T05:10:45+08:00", "utc": "2039-06-03T21:10:45Z", "ms": 2190748244591.5264 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:12 on Thu 2 Jun to 16:43 on Fri 3 Jun.", "fact": "2039-06-02T11:12:26Z → 2039-06-03T08:43:27Z" }, { "step": "kaala", "text": "Sunrise is at 05:11 on the 3rd and 05:11 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35906 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Fuzhou, 2039: Friday 3 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": "2039-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-06-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Nirjalā Ekādaśī 2039 falls on Friday 3 June. Ekādaśī runs from 19:12 on Thu 2 Jun to 16:43 on Fri 3 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-06-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4608, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2039-06-03T16:43:27+08:00", "utc": "2039-06-03T08:43:27Z", "ms": 2190703406735.0789 }, "end": { "local": "2039-06-04T13:41:58+08:00", "utc": "2039-06-04T05:41:58Z", "ms": 2190778918154.438 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2039-06-03T16:43:27+08:00", "utc": "2039-06-03T08:43:27Z", "ms": 2190703406735.0789 }, "end": { "local": "2039-06-04T13:41:58+08:00", "utc": "2039-06-04T05:41:58Z", "ms": 2190778918154.438 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-06-03", "window": { "start": { "local": "2039-06-03T11:37:01+08:00", "utc": "2039-06-03T03:37:01Z", "ms": 2190685020621.0928 }, "end": { "local": "2039-06-03T12:25:01+08:00", "utc": "2039-06-03T04:25:01Z", "ms": 2190687900621.0928 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-06-04", "window": { "start": { "local": "2039-06-04T11:37:10+08:00", "utc": "2039-06-04T03:37:10Z", "ms": 2190771430336.6235 }, "end": { "local": "2039-06-04T12:25:10+08:00", "utc": "2039-06-04T04:25:10Z", "ms": 2190774310336.6235 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:43 on Fri 3 Jun to 13:42 on Sat 4 Jun.", "fact": "2039-06-03T08:43:27Z → 2039-06-04T05:41:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 3rd, 11:37–12:25 on the 4th.", "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 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: purvaviddha → only-day · margin 4608 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Fuzhou, 2039: Saturday 4 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": "2039-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-06-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Rāma Dvādaśī 2039 falls on Saturday 4 June. Dvādaśī runs from 16:43 on Fri 3 Jun to 13:42 on Sat 4 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-06-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18578, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-06-04T13:41:58+08:00", "utc": "2039-06-04T05:41:58Z", "ms": 2190778918154.438 }, "end": { "local": "2039-06-05T10:16:06+08:00", "utc": "2039-06-05T02:16:06Z", "ms": 2190852965529.5674 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2039-06-04T13:41:58+08:00", "utc": "2039-06-04T05:41:58Z", "ms": 2190778918154.438 }, "end": { "local": "2039-06-05T10:16:06+08:00", "utc": "2039-06-05T02:16:06Z", "ms": 2190852965529.5674 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-06-04", "window": { "start": { "local": "2039-06-04T18:51:36+08:00", "utc": "2039-06-04T10:51:36Z", "ms": 2190797496081.721 }, "end": { "local": "2039-06-04T20:14:08+08:00", "utc": "2039-06-04T12:14:08Z", "ms": 2190802448374.4775 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "2039-06-05", "window": { "start": { "local": "2039-06-05T18:52:02+08:00", "utc": "2039-06-05T10:52:02Z", "ms": 2190883922486.893 }, "end": { "local": "2039-06-05T20:14:31+08:00", "utc": "2039-06-05T12:14:31Z", "ms": 2190888870580.893 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:42 on Sat 4 Jun to 10:16 on Sun 5 Jun.", "fact": "2039-06-04T05:41:58Z → 2039-06-05T02:16:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:14 on the 4th, 18:52–20:15 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 4th and 0 of 82 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18578 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2039: Saturday 4 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": "2039-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-06-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2039 falls on Saturday 4 June. Trayodaśī runs from 13:42 on Sat 4 Jun to 10:16 on Sun 5 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-06-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-06-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23572, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-06-06T06:34:50+08:00", "utc": "2039-06-05T22:34:50Z", "ms": 2190926090198.755 }, "end": { "local": "2039-06-07T02:47:45+08:00", "utc": "2039-06-06T18:47:45Z", "ms": 2190998864824.3503 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2039-06-06T06:34:50+08:00", "utc": "2039-06-05T22:34:50Z", "ms": 2190926090198.755 }, "end": { "local": "2039-06-07T02:47:45+08:00", "utc": "2039-06-06T18:47:45Z", "ms": 2190998864824.3503 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-06-05", "window": { "start": { "local": "2039-06-05T18:52:02+08:00", "utc": "2039-06-05T10:52:02Z", "ms": 2190883922486.893 }, "end": { "local": "2039-06-05T20:14:31+08:00", "utc": "2039-06-05T12:14:31Z", "ms": 2190888870580.893 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2039-06-06", "window": { "start": { "local": "2039-06-06T18:52:28+08:00", "utc": "2039-06-06T10:52:28Z", "ms": 2190970348296.0208 }, "end": { "local": "2039-06-06T20:14:52+08:00", "utc": "2039-06-06T12:14:52Z", "ms": 2190975292433.9849 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:35 on Mon 6 Jun to 02:48 on Tue 7 Jun.", "fact": "2039-06-05T22:34:50Z → 2039-06-06T18:47:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:15 on the 5th, 18:52–20:15 on the 6th.", "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 82 minutes on the 5th and 82 of 82 on the 6th.", "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 23572 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Fuzhou, 2039: Monday 6 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": "2039-06-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-06-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Vaṭa Sāvitrī Vrata 2039 falls on Monday 6 June. Pūrṇimā runs from 06:35 on Mon 6 Jun to 02:48 on Tue 7 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-06-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19017, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-06-09T16:27:55+08:00", "utc": "2039-06-09T08:27:55Z", "ms": 2191220875415.1008 }, "end": { "local": "2039-06-10T13:52:06+08:00", "utc": "2039-06-10T05:52:06Z", "ms": 2191297925787.191 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-06-09T16:27:55+08:00", "utc": "2039-06-09T08:27:55Z", "ms": 2191220875415.1008 }, "end": { "local": "2039-06-10T13:52:06+08:00", "utc": "2039-06-10T05:52:06Z", "ms": 2191297925787.191 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-06-09", "window": { "start": { "local": "2039-06-09T21:44:52+08:00", "utc": "2039-06-09T13:44:52Z", "ms": 2191239892304.2427 }, "end": { "local": "2039-06-09T21:44:52+08:00", "utc": "2039-06-09T13:44:52Z", "ms": 2191239892304.2427 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-06-10", "window": { "start": { "local": "2039-06-10T22:37:28+08:00", "utc": "2039-06-10T14:37:28Z", "ms": 2191329448346.433 }, "end": { "local": "2039-06-10T22:37:28+08:00", "utc": "2039-06-10T14:37:28Z", "ms": 2191329448346.433 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:28 on Thu 9 Jun to 13:52 on Fri 10 Jun.", "fact": "2039-06-09T08:27:55Z → 2039-06-10T05:52:06Z" }, { "step": "kaala", "text": "Moonrise is at 21:45 on the 9th and 22:37 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19017 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2039: Thursday 9 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": "2039-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-06-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2039 falls on Thursday 9 June. Caturthī runs from 16:28 on Thu 9 Jun to 13:52 on Fri 10 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-06-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/ekadashi?on=2039-06-17", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28847, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-06-16T13:11:36+08:00", "utc": "2039-06-16T05:11:36Z", "ms": 2191813895550.94 }, "end": { "local": "2039-06-17T15:18:26+08:00", "utc": "2039-06-17T07:18:26Z", "ms": 2191907906194.6526 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-06-16T13:11:36+08:00", "utc": "2039-06-16T05:11:36Z", "ms": 2191813895550.94 }, "end": { "local": "2039-06-17T15:18:26+08:00", "utc": "2039-06-17T07:18:26Z", "ms": 2191907906194.6526 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-06-16", "window": { "start": { "local": "2039-06-16T05:10:48+08:00", "utc": "2039-06-15T21:10:48Z", "ms": 2191785048447.5637 }, "end": { "local": "2039-06-16T05:10:48+08:00", "utc": "2039-06-15T21:10:48Z", "ms": 2191785048447.5637 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-06-17", "window": { "start": { "local": "2039-06-17T05:10:56+08:00", "utc": "2039-06-16T21:10:56Z", "ms": 2191871456325.3699 }, "end": { "local": "2039-06-17T05:10:56+08:00", "utc": "2039-06-16T21:10:56Z", "ms": 2191871456325.3699 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:12 on Thu 16 Jun to 15:18 on Fri 17 Jun.", "fact": "2039-06-16T05:11:36Z → 2039-06-17T07:18:26Z" }, { "step": "kaala", "text": "Sunrise is at 05:11 on the 16th and 05:11 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28847 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Fuzhou, 2039: Friday 17 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": "2039-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-06-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Yoginī Ekādaśī 2039 falls on Friday 17 June. Ekādaśī runs from 13:12 on Thu 16 Jun to 15:18 on Fri 17 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-06-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-06-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-06-18", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 1, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-06-18T17:44:06+08:00", "utc": "2039-06-18T09:44:06Z", "ms": 2192003046086.032 }, "end": { "local": "2039-06-19T20:18:55+08:00", "utc": "2039-06-19T12:18:55Z", "ms": 2192098734814.452 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-06-18T17:44:06+08:00", "utc": "2039-06-18T09:44:06Z", "ms": 2192003046086.032 }, "end": { "local": "2039-06-19T20:18:55+08:00", "utc": "2039-06-19T12:18:55Z", "ms": 2192098734814.452 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-06-18", "window": { "start": { "local": "2039-06-18T18:56:42+08:00", "utc": "2039-06-18T10:56:42Z", "ms": 2192007402422.15 }, "end": { "local": "2039-06-18T20:18:39+08:00", "utc": "2039-06-18T12:18:39Z", "ms": 2192012318807.1494 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2039-06-19", "window": { "start": { "local": "2039-06-19T18:56:58+08:00", "utc": "2039-06-19T10:56:58Z", "ms": 2192093818130.9497 }, "end": { "local": "2039-06-19T20:18:54+08:00", "utc": "2039-06-19T12:18:54Z", "ms": 2192098733895.9854 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:44 on Sat 18 Jun to 20:19 on Sun 19 Jun.", "fact": "2039-06-18T09:44:06Z → 2039-06-19T12:18:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:19 on the 18th, 18:57–20:19 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 82 of 82 minutes on the 18th and 82 of 82 on the 19th.", "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 1 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2039: Saturday 18 June.", "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": "2039-06-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-06-18", "confidence": "boundary" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2039 falls on Saturday 18 June. Trayodaśī runs from 17:44 on Sat 18 Jun to 20:19 on Sun 19 Jun and covers all of pradoṣa that evening. It also reaches the next evening for 82 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 01 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-06-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/shivaratri?on=2039-06-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2789, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-06-19T20:18:55+08:00", "utc": "2039-06-19T12:18:55Z", "ms": 2192098734814.452 }, "end": { "local": "2039-06-20T22:53:57+08:00", "utc": "2039-06-20T14:53:57Z", "ms": 2192194437141.8508 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-06-19T20:18:55+08:00", "utc": "2039-06-19T12:18:55Z", "ms": 2192098734814.452 }, "end": { "local": "2039-06-20T22:53:57+08:00", "utc": "2039-06-20T14:53:57Z", "ms": 2192194437141.8508 } }, "kaala": "nishita", "days": [ { "local_date": "2039-06-19", "window": { "start": { "local": "2039-06-19T23:40:12+08:00", "utc": "2039-06-19T15:40:12Z", "ms": 2192110812249.8337 }, "end": { "local": "2039-06-20T00:28:12+08:00", "utc": "2039-06-19T16:28:12Z", "ms": 2192113692249.8337 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-06-20", "window": { "start": { "local": "2039-06-20T23:40:26+08:00", "utc": "2039-06-20T15:40:26Z", "ms": 2192197225651.7627 }, "end": { "local": "2039-06-21T00:28:26+08:00", "utc": "2039-06-20T16:28:26Z", "ms": 2192200105651.7627 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:19 on Sun 19 Jun to 22:54 on Mon 20 Jun.", "fact": "2039-06-19T12:18:55Z → 2039-06-20T14:53:57Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 19th, 23:40–00:28 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2789 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2039: Sunday 19 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": "2039-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-06-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2039 falls on Sunday 19 June. Caturdaśī runs from 20:19 on Sun 19 Jun to 22:54 on Mon 20 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2039/shivaratri?on=2039-06-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22313, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2039-06-23T03:35:05+08:00", "utc": "2039-06-22T19:35:05Z", "ms": 2192384104925.4302 }, "end": { "local": "2039-06-24T05:29:18+08:00", "utc": "2039-06-23T21:29:18Z", "ms": 2192477358165.8406 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-06-23T03:35:05+08:00", "utc": "2039-06-22T19:35:05Z", "ms": 2192384104925.4302 }, "end": { "local": "2039-06-24T05:29:18+08:00", "utc": "2039-06-23T21:29:18Z", "ms": 2192477358165.8406 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-06-23", "window": { "start": { "local": "2039-06-23T11:40:58+08:00", "utc": "2039-06-23T03:40:58Z", "ms": 2192413258221.4814 }, "end": { "local": "2039-06-23T12:28:58+08:00", "utc": "2039-06-23T04:28:58Z", "ms": 2192416138221.4814 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-06-24", "window": { "start": { "local": "2039-06-24T11:41:11+08:00", "utc": "2039-06-24T03:41:11Z", "ms": 2192499670970.9268 }, "end": { "local": "2039-06-24T12:29:11+08:00", "utc": "2039-06-24T04:29:11Z", "ms": 2192502550970.9268 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 03:35 on Thu 23 Jun to 05:29 on Fri 24 Jun.", "fact": "2039-06-22T19:35:05Z → 2039-06-23T21:29:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 23rd, 11:41–12:29 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22313 s" }, { "step": "ruling", "text": "Rathayātrā, Fuzhou, 2039: Thursday 23 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-06-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Rathayātrā 2039 falls on Thursday 23 June. Dvitīyā runs from 03:35 on Thu 23 Jun to 05:29 on Fri 24 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-06-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13189, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-06-25T06:59:33+08:00", "utc": "2039-06-24T22:59:33Z", "ms": 2192569172519.8484 }, "end": { "local": "2039-06-26T08:01:47+08:00", "utc": "2039-06-26T00:01:47Z", "ms": 2192659307143.8572 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-06-25T06:59:33+08:00", "utc": "2039-06-24T22:59:33Z", "ms": 2192569172519.8484 }, "end": { "local": "2039-06-26T08:01:47+08:00", "utc": "2039-06-26T00:01:47Z", "ms": 2192659307143.8572 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-06-25", "window": { "start": { "local": "2039-06-25T11:41:24+08:00", "utc": "2039-06-25T03:41:24Z", "ms": 2192586083615.732 }, "end": { "local": "2039-06-25T12:29:24+08:00", "utc": "2039-06-25T04:29:24Z", "ms": 2192588963615.732 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-06-26", "window": { "start": { "local": "2039-06-26T11:41:36+08:00", "utc": "2039-06-26T03:41:36Z", "ms": 2192672496129.1494 }, "end": { "local": "2039-06-26T12:29:36+08:00", "utc": "2039-06-26T04:29:36Z", "ms": 2192675376129.1494 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:00 on Sat 25 Jun to 08:02 on Sun 26 Jun.", "fact": "2039-06-24T22:59:33Z → 2039-06-26T00:01:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 25th, 11:42–12:30 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13189 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2039: Saturday 25 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": "2039-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-06-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2039 falls on Saturday 25 June. Caturthī runs from 07:00 on Sat 25 Jun to 08:02 on Sun 26 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-06-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11352, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2039-06-26T08:01:47+08:00", "utc": "2039-06-26T00:01:47Z", "ms": 2192659307143.8572 }, "end": { "local": "2039-06-27T08:32:37+08:00", "utc": "2039-06-27T00:32:37Z", "ms": 2192747556591.1355 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-06-26T08:01:47+08:00", "utc": "2039-06-26T00:01:47Z", "ms": 2192659307143.8572 }, "end": { "local": "2039-06-27T08:32:37+08:00", "utc": "2039-06-27T00:32:37Z", "ms": 2192747556591.1355 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-06-26", "window": { "start": { "local": "2039-06-26T11:41:36+08:00", "utc": "2039-06-26T03:41:36Z", "ms": 2192672496129.1494 }, "end": { "local": "2039-06-26T12:29:36+08:00", "utc": "2039-06-26T04:29:36Z", "ms": 2192675376129.1494 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-06-27", "window": { "start": { "local": "2039-06-27T11:41:48+08:00", "utc": "2039-06-27T03:41:48Z", "ms": 2192758908484.9604 }, "end": { "local": "2039-06-27T12:29:48+08:00", "utc": "2039-06-27T04:29:48Z", "ms": 2192761788484.9604 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:02 on Sun 26 Jun to 08:33 on Mon 27 Jun.", "fact": "2039-06-26T00:01:47Z → 2039-06-27T00:32:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 26th, 11:42–12:30 on the 27th.", "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 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11352 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Fuzhou, 2039: Sunday 26 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-06-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Pañcamī 2039 falls on Sunday 26 June. Pañcamī runs from 08:02 on Sun 26 Jun to 08:33 on Mon 27 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11560, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2039-06-28T08:29:21+08:00", "utc": "2039-06-28T00:29:21Z", "ms": 2192833760903.5088 }, "end": { "local": "2039-06-29T07:50:23+08:00", "utc": "2039-06-28T23:50:23Z", "ms": 2192917822742.7854 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-06-28T08:29:21+08:00", "utc": "2039-06-28T00:29:21Z", "ms": 2192833760903.5088 }, "end": { "local": "2039-06-29T07:50:23+08:00", "utc": "2039-06-28T23:50:23Z", "ms": 2192917822742.7854 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-06-28", "window": { "start": { "local": "2039-06-28T11:42:01+08:00", "utc": "2039-06-28T03:42:01Z", "ms": 2192845320657.6714 }, "end": { "local": "2039-06-28T12:30:01+08:00", "utc": "2039-06-28T04:30:01Z", "ms": 2192848200657.6714 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-06-29", "window": { "start": { "local": "2039-06-29T11:42:13+08:00", "utc": "2039-06-29T03:42:13Z", "ms": 2192931732622.7217 }, "end": { "local": "2039-06-29T12:30:13+08:00", "utc": "2039-06-29T04:30:13Z", "ms": 2192934612622.7217 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:29 on Tue 28 Jun to 07:50 on Wed 29 Jun.", "fact": "2039-06-28T00:29:21Z → 2039-06-28T23:50:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 28th, 11:42–12:30 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11560 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Fuzhou, 2039: Tuesday 28 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-06-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Vivasvat Saptamī 2039 falls on Tuesday 28 June. Saptamī runs from 08:29 on Tue 28 Jun to 07:50 on Wed 29 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-07-02", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10229, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-07-02T02:24:21+08:00", "utc": "2039-07-01T18:24:21Z", "ms": 2193157460597.6292 }, "end": { "local": "2039-07-02T23:35:40+08:00", "utc": "2039-07-02T15:35:40Z", "ms": 2193233739813.3152 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-07-02T02:24:21+08:00", "utc": "2039-07-01T18:24:21Z", "ms": 2193157460597.6292 }, "end": { "local": "2039-07-02T23:35:40+08:00", "utc": "2039-07-02T15:35:40Z", "ms": 2193233739813.3152 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-07-02", "window": { "start": { "local": "2039-07-02T05:14:50+08:00", "utc": "2039-07-01T21:14:50Z", "ms": 2193167689847.6628 }, "end": { "local": "2039-07-02T05:14:50+08:00", "utc": "2039-07-01T21:14:50Z", "ms": 2193167689847.6628 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-07-03", "window": { "start": { "local": "2039-07-03T05:15:12+08:00", "utc": "2039-07-02T21:15:12Z", "ms": 2193254111818.2385 }, "end": { "local": "2039-07-03T05:15:12+08:00", "utc": "2039-07-02T21:15:12Z", "ms": 2193254111818.2385 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:24 on Sat 2 Jul to 23:36 on Sat 2 Jul.", "fact": "2039-07-01T18:24:21Z → 2039-07-02T15:35:40Z" }, { "step": "kaala", "text": "Sunrise is at 05:15 on the 2nd and 05:15 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10229 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Fuzhou, 2039: Saturday 2 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": "2039-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Hariśayanī Ekādaśī 2039 falls on Saturday 2 July. Ekādaśī runs from 02:24 on Sat 2 Jul to 23:36 on Sat 2 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-07-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-07-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-03", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 281, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-07-03T20:25:40+08:00", "utc": "2039-07-03T12:25:40Z", "ms": 2193308739821.2996 }, "end": { "local": "2039-07-04T17:01:28+08:00", "utc": "2039-07-04T09:01:28Z", "ms": 2193382888402.57 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-07-03T20:25:40+08:00", "utc": "2039-07-03T12:25:40Z", "ms": 2193308739821.2996 }, "end": { "local": "2039-07-04T17:01:28+08:00", "utc": "2039-07-04T09:01:28Z", "ms": 2193382888402.57 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-07-03", "window": { "start": { "local": "2039-07-03T18:58:44+08:00", "utc": "2039-07-03T10:58:44Z", "ms": 2193303524102.8325 }, "end": { "local": "2039-07-03T20:20:59+08:00", "utc": "2039-07-03T12:20:59Z", "ms": 2193308458812.755 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2039-07-04", "window": { "start": { "local": "2039-07-04T18:58:43+08:00", "utc": "2039-07-04T10:58:43Z", "ms": 2193389922706.278 }, "end": { "local": "2039-07-04T20:21:01+08:00", "utc": "2039-07-04T12:21:01Z", "ms": 2193394860698.6096 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:26 on Sun 3 Jul to 17:01 on Mon 4 Jul.", "fact": "2039-07-03T12:25:40Z → 2039-07-04T09:01:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:21 on the 3rd, 18:59–20:21 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 3rd and 0 of 82 on the 4th.", "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 281 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2039: Sunday 3 July.", "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": "2039-07-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2039 falls on Sunday 3 July. Trayodaśī runs from 20:26 on Sun 3 Jul to 17:01 on Mon 4 Jul, and reaches pradoṣa on neither day. It is 4 min 41 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-07-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9777, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-07-05T13:31:10+08:00", "utc": "2039-07-05T05:31:10Z", "ms": 2193456670414.516 }, "end": { "local": "2039-07-06T10:03:33+08:00", "utc": "2039-07-06T02:03:33Z", "ms": 2193530612750.7935 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-07-05T13:31:10+08:00", "utc": "2039-07-05T05:31:10Z", "ms": 2193456670414.516 }, "end": { "local": "2039-07-06T10:03:33+08:00", "utc": "2039-07-06T02:03:33Z", "ms": 2193530612750.7935 } }, "kaala": "sayahna", "days": [ { "local_date": "2039-07-05", "window": { "start": { "local": "2039-07-05T16:14:08+08:00", "utc": "2039-07-05T08:14:08Z", "ms": 2193466447567.6343 }, "end": { "local": "2039-07-05T18:58:40+08:00", "utc": "2039-07-05T10:58:40Z", "ms": 2193476320047.3516 } }, "covered_min": 165, "window_min": 165, "qualifies": true }, { "local_date": "2039-07-06", "window": { "start": { "local": "2039-07-06T16:14:09+08:00", "utc": "2039-07-06T08:14:09Z", "ms": 2193552849189.3723 }, "end": { "local": "2039-07-06T18:58:36+08:00", "utc": "2039-07-06T10:58:36Z", "ms": 2193562716122.269 } }, "covered_min": 0, "window_min": 164, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:31 on Tue 5 Jul to 10:04 on Wed 6 Jul.", "fact": "2039-07-05T05:31:10Z → 2039-07-06T02:03:33Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:14–18:59 on the 5th, 16:14–18:59 on the 6th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 165 of 165 minutes on the 5th and 0 of 164 on the 6th.", "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 9777 s" }, { "step": "ruling", "text": "Kokilā Vrata, Fuzhou, 2039: Tuesday 5 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": "2039-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Kokilā Vrata 2039 falls on Tuesday 5 July. Pūrṇimā runs from 13:31 on Tue 5 Jul to 10:04 on Wed 6 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19650, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-07-05T13:31:10+08:00", "utc": "2039-07-05T05:31:10Z", "ms": 2193456670414.516 }, "end": { "local": "2039-07-06T10:03:33+08:00", "utc": "2039-07-06T02:03:33Z", "ms": 2193530612750.7935 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-07-05T13:31:10+08:00", "utc": "2039-07-05T05:31:10Z", "ms": 2193456670414.516 }, "end": { "local": "2039-07-06T10:03:33+08:00", "utc": "2039-07-06T02:03:33Z", "ms": 2193530612750.7935 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-07-05", "window": { "start": { "local": "2039-07-05T18:58:40+08:00", "utc": "2039-07-05T10:58:40Z", "ms": 2193476320047.3516 }, "end": { "local": "2039-07-05T20:21:02+08:00", "utc": "2039-07-05T12:21:02Z", "ms": 2193481261568.7427 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2039-07-06", "window": { "start": { "local": "2039-07-06T18:58:36+08:00", "utc": "2039-07-06T10:58:36Z", "ms": 2193562716122.269 }, "end": { "local": "2039-07-06T20:21:01+08:00", "utc": "2039-07-06T12:21:01Z", "ms": 2193567661416.6404 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:31 on Tue 5 Jul to 10:04 on Wed 6 Jul.", "fact": "2039-07-05T05:31:10Z → 2039-07-06T02:03:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:21 on the 5th, 18:59–20:21 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 82 of 82 minutes on the 5th and 0 of 82 on the 6th.", "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 19650 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Fuzhou, 2039: Tuesday 5 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": "2039-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Śiva Śayanotsava 2039 falls on Tuesday 5 July. Pūrṇimā runs from 13:31 on Tue 5 Jul to 10:04 on Wed 6 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7364, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-07-05T13:31:10+08:00", "utc": "2039-07-05T05:31:10Z", "ms": 2193456670414.516 }, "end": { "local": "2039-07-06T10:03:33+08:00", "utc": "2039-07-06T02:03:33Z", "ms": 2193530612750.7935 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-07-05T13:31:10+08:00", "utc": "2039-07-05T05:31:10Z", "ms": 2193456670414.516 }, "end": { "local": "2039-07-06T10:03:33+08:00", "utc": "2039-07-06T02:03:33Z", "ms": 2193530612750.7935 } }, "kaala": "udaya-3", "days": [ { "local_date": "2039-07-05", "window": { "start": { "local": "2039-07-05T05:15:58+08:00", "utc": "2039-07-04T21:15:58Z", "ms": 2193426957648.7651 }, "end": { "local": "2039-07-05T08:00:30+08:00", "utc": "2039-07-05T00:00:30Z", "ms": 2193436830128.4824 } }, "covered_min": 0, "window_min": 165, "qualifies": false }, { "local_date": "2039-07-06", "window": { "start": { "local": "2039-07-06T05:16:21+08:00", "utc": "2039-07-05T21:16:21Z", "ms": 2193513381457.7852 }, "end": { "local": "2039-07-06T08:00:48+08:00", "utc": "2039-07-06T00:00:48Z", "ms": 2193523248390.682 } }, "covered_min": 164, "window_min": 164, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:31 on Tue 5 Jul to 10:04 on Wed 6 Jul.", "fact": "2039-07-05T05:31:10Z → 2039-07-06T02:03:33Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:16–08:01 on the 5th, 05:16–08:01 on the 6th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 165 minutes on the 5th and 164 of 164 on the 6th.", "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 7364 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Fuzhou, 2039: Wednesday 6 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": "2039-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Vyāsa Pūjā 2039 falls on Wednesday 6 July. Pūrṇimā runs from 13:31 on Tue 5 Jul to 10:04 on Wed 6 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3592, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-07-05T13:31:10+08:00", "utc": "2039-07-05T05:31:10Z", "ms": 2193456670414.516 }, "end": { "local": "2039-07-06T10:03:33+08:00", "utc": "2039-07-06T02:03:33Z", "ms": 2193530612750.7935 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2039-07-05T13:31:10+08:00", "utc": "2039-07-05T05:31:10Z", "ms": 2193456670414.516 }, "end": { "local": "2039-07-06T10:03:33+08:00", "utc": "2039-07-06T02:03:33Z", "ms": 2193530612750.7935 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-07-05", "window": { "start": { "local": "2039-07-05T11:43:19+08:00", "utc": "2039-07-05T03:43:19Z", "ms": 2193450198848.0583 }, "end": { "local": "2039-07-05T12:31:19+08:00", "utc": "2039-07-05T04:31:19Z", "ms": 2193453078848.0583 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-07-06", "window": { "start": { "local": "2039-07-06T11:43:29+08:00", "utc": "2039-07-06T03:43:29Z", "ms": 2193536608790.027 }, "end": { "local": "2039-07-06T12:31:29+08:00", "utc": "2039-07-06T04:31:29Z", "ms": 2193539488790.027 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:31 on Tue 5 Jul to 10:04 on Wed 6 Jul.", "fact": "2039-07-05T05:31:10Z → 2039-07-06T02:03:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 5th, 11:43–12:31 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 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": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 3592 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Fuzhou, 2039: Wednesday 6 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": "2039-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-06", "confidence": "boundary" } ], "quote": "In Fuzhou, Guru Pūrṇimā 2039 falls on Wednesday 6 July. Pūrṇimā runs from 13:31 on Tue 5 Jul to 10:04 on Wed 6 Jul, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26963, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2039-07-07T06:47:48+08:00", "utc": "2039-07-06T22:47:48Z", "ms": 2193605268106.6958 }, "end": { "local": "2039-07-08T03:53:15+08:00", "utc": "2039-07-07T19:53:15Z", "ms": 2193681195360.2527 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2039-07-07T06:47:48+08:00", "utc": "2039-07-06T22:47:48Z", "ms": 2193605268106.6958 }, "end": { "local": "2039-07-08T03:53:15+08:00", "utc": "2039-07-07T19:53:15Z", "ms": 2193681195360.2527 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-07-06", "window": { "start": { "local": "2039-07-06T19:26:18+08:00", "utc": "2039-07-06T11:26:18Z", "ms": 2193564377653.3633 }, "end": { "local": "2039-07-06T19:26:18+08:00", "utc": "2039-07-06T11:26:18Z", "ms": 2193564377653.3633 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-07-07", "window": { "start": { "local": "2039-07-07T20:23:53+08:00", "utc": "2039-07-07T12:23:53Z", "ms": 2193654232619.226 }, "end": { "local": "2039-07-07T20:23:53+08:00", "utc": "2039-07-07T12:23:53Z", "ms": 2193654232619.226 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 06:48 on Thu 7 Jul to 03:53 on Fri 8 Jul.", "fact": "2039-07-06T22:47:48Z → 2039-07-07T19:53:15Z" }, { "step": "kaala", "text": "Moonrise is at 19:26 on the 6th and 20:24 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26963 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Fuzhou, 2039: Thursday 7 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": "2039-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata (Āṣāḍha) 2039 falls on Thursday 7 July. Dvitīyā runs from 06:48 on Thu 7 Jul to 03:53 on Fri 8 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-07-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6353, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-07-09T01:28:53+08:00", "utc": "2039-07-08T17:28:53Z", "ms": 2193758933497.2302 }, "end": { "local": "2039-07-09T23:42:46+08:00", "utc": "2039-07-09T15:42:46Z", "ms": 2193838966037.2056 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2039-07-09T01:28:53+08:00", "utc": "2039-07-08T17:28:53Z", "ms": 2193758933497.2302 }, "end": { "local": "2039-07-09T23:42:46+08:00", "utc": "2039-07-09T15:42:46Z", "ms": 2193838966037.2056 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-07-08", "window": { "start": { "local": "2039-07-08T21:13:47+08:00", "utc": "2039-07-08T13:13:47Z", "ms": 2193743627055.3748 }, "end": { "local": "2039-07-08T21:13:47+08:00", "utc": "2039-07-08T13:13:47Z", "ms": 2193743627055.3748 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-07-09", "window": { "start": { "local": "2039-07-09T21:56:53+08:00", "utc": "2039-07-09T13:56:53Z", "ms": 2193832612762.4844 }, "end": { "local": "2039-07-09T21:56:53+08:00", "utc": "2039-07-09T13:56:53Z", "ms": 2193832612762.4844 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:29 on Sat 9 Jul to 23:43 on Sat 9 Jul.", "fact": "2039-07-08T17:28:53Z → 2039-07-09T15:42:46Z" }, { "step": "kaala", "text": "Moonrise is at 21:14 on the 8th and 21:57 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6353 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2039: Saturday 9 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": "2039-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2039 falls on Saturday 9 July. Caturthī runs from 01:29 on Sat 9 Jul to 23:43 on Sat 9 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-07-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/ekadashi?on=2039-07-17", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2298, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-07-16T04:42:28+08:00", "utc": "2039-07-15T20:42:28Z", "ms": 2194375347923.6284 }, "end": { "local": "2039-07-17T07:16:59+08:00", "utc": "2039-07-16T23:16:59Z", "ms": 2194471018879.3914 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2039-07-16T04:42:28+08:00", "utc": "2039-07-15T20:42:28Z", "ms": 2194375347923.6284 }, "end": { "local": "2039-07-17T07:16:59+08:00", "utc": "2039-07-16T23:16:59Z", "ms": 2194471018879.3914 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-07-16", "window": { "start": { "local": "2039-07-16T05:20:46+08:00", "utc": "2039-07-15T21:20:46Z", "ms": 2194377646413.0247 }, "end": { "local": "2039-07-16T05:20:46+08:00", "utc": "2039-07-15T21:20:46Z", "ms": 2194377646413.0247 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-07-17", "window": { "start": { "local": "2039-07-17T05:21:15+08:00", "utc": "2039-07-16T21:21:15Z", "ms": 2194464075009.0676 }, "end": { "local": "2039-07-17T05:21:15+08:00", "utc": "2039-07-16T21:21:15Z", "ms": 2194464075009.0676 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:42 on Sat 16 Jul to 07:17 on Sun 17 Jul.", "fact": "2039-07-15T20:42:28Z → 2039-07-16T23:16:59Z" }, { "step": "kaala", "text": "Sunrise is at 05:21 on the 16th and 05:21 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 2298 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Fuzhou, 2039: Sunday 17 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": "2039-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmikā Ekādaśī 2039 falls on Sunday 17 July. Ekādaśī runs from 04:42 on Sat 16 Jul to 07:17 on Sun 17 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-07-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-07-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24136, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-07-18T09:51:01+08:00", "utc": "2039-07-18T01:51:01Z", "ms": 2194566661003.6848 }, "end": { "local": "2039-07-19T12:13:32+08:00", "utc": "2039-07-19T04:13:32Z", "ms": 2194661612392.9487 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2039-07-18T09:51:01+08:00", "utc": "2039-07-18T01:51:01Z", "ms": 2194566661003.6848 }, "end": { "local": "2039-07-19T12:13:32+08:00", "utc": "2039-07-19T04:13:32Z", "ms": 2194661612392.9487 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-07-18", "window": { "start": { "local": "2039-07-18T18:56:09+08:00", "utc": "2039-07-18T10:56:09Z", "ms": 2194599369332.2627 }, "end": { "local": "2039-07-18T20:19:38+08:00", "utc": "2039-07-18T12:19:38Z", "ms": 2194604377818.3176 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "2039-07-19", "window": { "start": { "local": "2039-07-19T18:55:49+08:00", "utc": "2039-07-19T10:55:49Z", "ms": 2194685748750.7927 }, "end": { "local": "2039-07-19T20:19:24+08:00", "utc": "2039-07-19T12:19:24Z", "ms": 2194690763889.6865 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:51 on Mon 18 Jul to 12:14 on Tue 19 Jul.", "fact": "2039-07-18T01:51:01Z → 2039-07-19T04:13:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:20 on the 18th, 18:56–20:19 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 18th and 0 of 84 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24136 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2039: Monday 18 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": "2039-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2039 falls on Monday 18 July. Trayodaśī runs from 09:51 on Mon 18 Jul to 12:14 on Tue 19 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-07-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/shivaratri?on=2039-07-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34140, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-07-19T12:13:32+08:00", "utc": "2039-07-19T04:13:32Z", "ms": 2194661612392.9487 }, "end": { "local": "2039-07-20T14:16:19+08:00", "utc": "2039-07-20T06:16:19Z", "ms": 2194755379132.3416 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2039-07-19T12:13:32+08:00", "utc": "2039-07-19T04:13:32Z", "ms": 2194661612392.9487 }, "end": { "local": "2039-07-20T14:16:19+08:00", "utc": "2039-07-20T06:16:19Z", "ms": 2194755379132.3416 } }, "kaala": "nishita", "days": [ { "local_date": "2039-07-19", "window": { "start": { "local": "2039-07-19T23:45:16+08:00", "utc": "2039-07-19T15:45:16Z", "ms": 2194703115521.6445 }, "end": { "local": "2039-07-20T00:33:16+08:00", "utc": "2039-07-19T16:33:16Z", "ms": 2194705995521.6445 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-07-20", "window": { "start": { "local": "2039-07-20T23:45:19+08:00", "utc": "2039-07-20T15:45:19Z", "ms": 2194789519338.279 }, "end": { "local": "2039-07-21T00:33:19+08:00", "utc": "2039-07-20T16:33:19Z", "ms": 2194792399338.279 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:14 on Tue 19 Jul to 14:16 on Wed 20 Jul.", "fact": "2039-07-19T04:13:32Z → 2039-07-20T06:16:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 19th, 23:45–00:33 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34140 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2039: Tuesday 19 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": "2039-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2039 falls on Tuesday 19 July. Caturdaśī runs from 12:14 on Tue 19 Jul to 14:16 on Wed 20 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2039/shivaratri?on=2039-07-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18798, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2039-07-23T17:46:30+08:00", "utc": "2039-07-23T09:46:30Z", "ms": 2195027190382.1746 }, "end": { "local": "2039-07-24T18:00:54+08:00", "utc": "2039-07-24T10:00:54Z", "ms": 2195114453648.1006 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2039-07-23T17:46:30+08:00", "utc": "2039-07-23T09:46:30Z", "ms": 2195027190382.1746 }, "end": { "local": "2039-07-24T18:00:54+08:00", "utc": "2039-07-24T10:00:54Z", "ms": 2195114453648.1006 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-07-23", "window": { "start": { "local": "2039-07-23T11:45:12+08:00", "utc": "2039-07-23T03:45:12Z", "ms": 2195005512425.3884 }, "end": { "local": "2039-07-23T12:33:12+08:00", "utc": "2039-07-23T04:33:12Z", "ms": 2195008392425.3884 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-07-24", "window": { "start": { "local": "2039-07-24T11:45:14+08:00", "utc": "2039-07-24T03:45:14Z", "ms": 2195091913884.4429 }, "end": { "local": "2039-07-24T12:33:14+08:00", "utc": "2039-07-24T04:33:14Z", "ms": 2195094793884.4429 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:47 on Sat 23 Jul to 18:01 on Sun 24 Jul.", "fact": "2039-07-23T09:46:30Z → 2039-07-24T10:00:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 23rd, 11:45–12:33 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18798 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Fuzhou, 2039: Sunday 24 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": "2039-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Madhusravā Tṛtīyā (Hariyali Teej) 2039 falls on Sunday 24 July. Tṛtīyā runs from 17:47 on Sat 23 Jul to 18:01 on Sun 24 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-07-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18920, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-07-24T18:00:54+08:00", "utc": "2039-07-24T10:00:54Z", "ms": 2195114453648.1006 }, "end": { "local": "2039-07-25T17:48:35+08:00", "utc": "2039-07-25T09:48:35Z", "ms": 2195200114955.6418 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2039-07-24T18:00:54+08:00", "utc": "2039-07-24T10:00:54Z", "ms": 2195114453648.1006 }, "end": { "local": "2039-07-25T17:48:35+08:00", "utc": "2039-07-25T09:48:35Z", "ms": 2195200114955.6418 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-07-24", "window": { "start": { "local": "2039-07-24T11:45:14+08:00", "utc": "2039-07-24T03:45:14Z", "ms": 2195091913884.4429 }, "end": { "local": "2039-07-24T12:33:14+08:00", "utc": "2039-07-24T04:33:14Z", "ms": 2195094793884.4429 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-07-25", "window": { "start": { "local": "2039-07-25T11:45:15+08:00", "utc": "2039-07-25T03:45:15Z", "ms": 2195178314749.6328 }, "end": { "local": "2039-07-25T12:33:15+08:00", "utc": "2039-07-25T04:33:15Z", "ms": 2195181194749.6328 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:01 on Sun 24 Jul to 17:49 on Mon 25 Jul.", "fact": "2039-07-24T10:00:54Z → 2039-07-25T09:48:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 24th, 11:45–12:33 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18920 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2039: Monday 25 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": "2039-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2039 falls on Monday 25 July. Caturthī runs from 18:01 on Sun 24 Jul to 17:49 on Mon 25 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-07-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16643, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2039-07-25T17:48:35+08:00", "utc": "2039-07-25T09:48:35Z", "ms": 2195200114955.6418 }, "end": { "local": "2039-07-26T17:10:38+08:00", "utc": "2039-07-26T09:10:38Z", "ms": 2195284238192.2666 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2039-07-25T17:48:35+08:00", "utc": "2039-07-25T09:48:35Z", "ms": 2195200114955.6418 }, "end": { "local": "2039-07-26T17:10:38+08:00", "utc": "2039-07-26T09:10:38Z", "ms": 2195284238192.2666 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-07-25", "window": { "start": { "local": "2039-07-25T11:45:15+08:00", "utc": "2039-07-25T03:45:15Z", "ms": 2195178314749.6328 }, "end": { "local": "2039-07-25T12:33:15+08:00", "utc": "2039-07-25T04:33:15Z", "ms": 2195181194749.6328 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-07-26", "window": { "start": { "local": "2039-07-26T11:45:15+08:00", "utc": "2039-07-26T03:45:15Z", "ms": 2195264715012.139 }, "end": { "local": "2039-07-26T12:33:15+08:00", "utc": "2039-07-26T04:33:15Z", "ms": 2195267595012.139 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:49 on Mon 25 Jul to 17:11 on Tue 26 Jul.", "fact": "2039-07-25T09:48:35Z → 2039-07-26T09:10:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 25th, 11:45–12:33 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16643 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Fuzhou, 2039: Tuesday 26 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-07-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Pañcamī 2039 falls on Tuesday 26 July. Pañcamī runs from 17:49 on Mon 25 Jul to 17:11 on Tue 26 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-08-01", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-01", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 31, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-07-31T08:13:15+08:00", "utc": "2039-07-31T00:13:15Z", "ms": 2195683994727.893 }, "end": { "local": "2039-08-01T05:29:12+08:00", "utc": "2039-07-31T21:29:12Z", "ms": 2195760551740.5415 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2039-07-31T08:13:15+08:00", "utc": "2039-07-31T00:13:15Z", "ms": 2195683994727.893 }, "end": { "local": "2039-08-01T05:29:12+08:00", "utc": "2039-07-31T21:29:12Z", "ms": 2195760551740.5415 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-07-31", "window": { "start": { "local": "2039-07-31T05:28:11+08:00", "utc": "2039-07-30T21:28:11Z", "ms": 2195674090956.9036 }, "end": { "local": "2039-07-31T05:28:11+08:00", "utc": "2039-07-30T21:28:11Z", "ms": 2195674090956.9036 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-08-01", "window": { "start": { "local": "2039-08-01T05:28:41+08:00", "utc": "2039-07-31T21:28:41Z", "ms": 2195760520794.9568 }, "end": { "local": "2039-08-01T05:28:41+08:00", "utc": "2039-07-31T21:28:41Z", "ms": 2195760520794.9568 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:13 on Sun 31 Jul to 05:29 on Mon 1 Aug.", "fact": "2039-07-31T00:13:15Z → 2039-07-31T21:29:12Z" }, { "step": "kaala", "text": "Sunrise is at 05:28 on the 31st and 05:29 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 31st and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31 s < 300 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Fuzhou, 2039: Monday 1 August.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-07-31", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-01", "confidence": "boundary" } ], "quote": "In Fuzhou, Putradā Ekādaśī 2039 falls on Monday 1 August. Ekādaśī runs from 08:13 on Sun 31 Jul to 05:29 on Mon 1 Aug and is current at sunrise that day. It is 0 min 31 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-08-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22552, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2039-08-01T05:29:12+08:00", "utc": "2039-07-31T21:29:12Z", "ms": 2195760551740.5415 }, "end": { "local": "2039-08-02T02:34:52+08:00", "utc": "2039-08-01T18:34:52Z", "ms": 2195836491840.205 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2039-08-01T05:29:12+08:00", "utc": "2039-07-31T21:29:12Z", "ms": 2195760551740.5415 }, "end": { "local": "2039-08-02T02:34:52+08:00", "utc": "2039-08-01T18:34:52Z", "ms": 2195836491840.205 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-08-01", "window": { "start": { "local": "2039-08-01T11:45:04+08:00", "utc": "2039-08-01T03:45:04Z", "ms": 2195783103631.2075 }, "end": { "local": "2039-08-01T12:33:04+08:00", "utc": "2039-08-01T04:33:04Z", "ms": 2195785983631.2075 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-08-02", "window": { "start": { "local": "2039-08-02T11:45:00+08:00", "utc": "2039-08-02T03:45:00Z", "ms": 2195869499562.6992 }, "end": { "local": "2039-08-02T12:33:00+08:00", "utc": "2039-08-02T04:33:00Z", "ms": 2195872379562.6992 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:29 on Mon 1 Aug to 02:35 on Tue 2 Aug.", "fact": "2039-07-31T21:29:12Z → 2039-08-01T18:34:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 1st, 11:45–12:33 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22552 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Fuzhou, 2039: Monday 1 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": "2039-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Dāmodara Dvādaśī 2039 falls on Monday 1 August. Dvādaśī runs from 05:29 on Mon 1 Aug to 02:35 on Tue 2 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-08-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12126, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-08-02T02:34:52+08:00", "utc": "2039-08-01T18:34:52Z", "ms": 2195836491840.205 }, "end": { "local": "2039-08-02T23:36:21+08:00", "utc": "2039-08-02T15:36:21Z", "ms": 2195912181061.1528 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2039-08-02T02:34:52+08:00", "utc": "2039-08-01T18:34:52Z", "ms": 2195836491840.205 }, "end": { "local": "2039-08-02T23:36:21+08:00", "utc": "2039-08-02T15:36:21Z", "ms": 2195912181061.1528 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-08-01", "window": { "start": { "local": "2039-08-01T18:49:26+08:00", "utc": "2039-08-01T10:49:26Z", "ms": 2195808566467.458 }, "end": { "local": "2039-08-01T20:14:44+08:00", "utc": "2039-08-01T12:14:44Z", "ms": 2195813684345.0444 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "2039-08-02", "window": { "start": { "local": "2039-08-02T18:48:49+08:00", "utc": "2039-08-02T10:48:49Z", "ms": 2195894928576.043 }, "end": { "local": "2039-08-02T20:14:15+08:00", "utc": "2039-08-02T12:14:15Z", "ms": 2195900055460.4653 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:35 on Tue 2 Aug to 23:36 on Tue 2 Aug.", "fact": "2039-08-01T18:34:52Z → 2039-08-02T15:36:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:15 on the 1st, 18:49–20:14 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 1st and 85 of 85 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12126 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2039: Tuesday 2 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": "2039-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2039 falls on Tuesday 2 August. Trayodaśī runs from 02:35 on Tue 2 Aug to 23:36 on Tue 2 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-08-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6402, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-08-03T20:40:55+08:00", "utc": "2039-08-03T12:40:55Z", "ms": 2195988054673.5188 }, "end": { "local": "2039-08-04T17:56:43+08:00", "utc": "2039-08-04T09:56:43Z", "ms": 2196064602938.4922 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2039-08-04T07:16:52+08:00", "utc": "2039-08-03T23:16:52Z", "ms": 2196026212224.2012 }, "end": { "local": "2039-08-04T17:56:43+08:00", "utc": "2039-08-04T09:56:43Z", "ms": 2196064602938.4922 } }, "kaala": "day", "days": [ { "local_date": "2039-08-03", "window": { "start": { "local": "2039-08-03T05:29:40+08:00", "utc": "2039-08-02T21:29:40Z", "ms": 2195933380209.2107 }, "end": { "local": "2039-08-04T05:30:10+08:00", "utc": "2039-08-03T21:30:10Z", "ms": 2196019809765.5989 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2039-08-04", "window": { "start": { "local": "2039-08-04T05:30:10+08:00", "utc": "2039-08-03T21:30:10Z", "ms": 2196019809765.5989 }, "end": { "local": "2039-08-05T05:30:39+08:00", "utc": "2039-08-04T21:30:39Z", "ms": 2196106239211.2283 } }, "covered_min": 640, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:41 on Wed 3 Aug to 17:57 on Thu 4 Aug. Its second half begins at 07:17 on Thu 4 Aug.", "fact": "2039-08-03T12:40:55Z → 2039-08-04T09:56:43Z · second half from 2039-08-03T23:16:52Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:30 on the 3rd, and from 05:30 on the 4th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The second half of Pūrṇimā must be present during the day. It covers 0 of 1440 minutes on the 3rd and 640 of 1440 on the 4th.", "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 6402 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Fuzhou, 2039: Thursday 4 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": "2039-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Rakṣā Bandhana (Rakhi) 2039 falls on Thursday 4 August. The second half of Pūrṇimā runs from 07:17 on Thu 4 Aug to 17:57 on Thu 4 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19433, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-08-03T20:40:55+08:00", "utc": "2039-08-03T12:40:55Z", "ms": 2195988054673.5188 }, "end": { "local": "2039-08-04T17:56:43+08:00", "utc": "2039-08-04T09:56:43Z", "ms": 2196064602938.4922 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2039-08-03T20:40:55+08:00", "utc": "2039-08-03T12:40:55Z", "ms": 2195988054673.5188 }, "end": { "local": "2039-08-04T17:56:43+08:00", "utc": "2039-08-04T09:56:43Z", "ms": 2196064602938.4922 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-08-03", "window": { "start": { "local": "2039-08-03T11:44:55+08:00", "utc": "2039-08-03T03:44:55Z", "ms": 2195955894881.0732 }, "end": { "local": "2039-08-03T12:32:55+08:00", "utc": "2039-08-03T04:32:55Z", "ms": 2195958774881.0732 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-08-04", "window": { "start": { "local": "2039-08-04T11:44:50+08:00", "utc": "2039-08-04T03:44:50Z", "ms": 2196042289592.5479 }, "end": { "local": "2039-08-04T12:32:50+08:00", "utc": "2039-08-04T04:32:50Z", "ms": 2196045169592.5479 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:41 on Wed 3 Aug to 17:57 on Thu 4 Aug.", "fact": "2039-08-03T12:40:55Z → 2039-08-04T09:56:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 3rd, 11:45–12:33 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19433 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Fuzhou, 2039: Thursday 4 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": "2039-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Tarpaṇa 2039 falls on Thursday 4 August. Pūrṇimā runs from 20:41 on Wed 3 Aug to 17:57 on Thu 4 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15333, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2039-08-05T15:32:29+08:00", "utc": "2039-08-05T07:32:29Z", "ms": 2196142349287.9727 }, "end": { "local": "2039-08-06T13:36:59+08:00", "utc": "2039-08-06T05:36:59Z", "ms": 2196221819255.855 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-05T15:32:29+08:00", "utc": "2039-08-05T07:32:29Z", "ms": 2196142349287.9727 }, "end": { "local": "2039-08-06T13:36:59+08:00", "utc": "2039-08-06T05:36:59Z", "ms": 2196221819255.855 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-08-05", "window": { "start": { "local": "2039-08-05T19:48:02+08:00", "utc": "2039-08-05T11:48:02Z", "ms": 2196157682185.276 }, "end": { "local": "2039-08-05T19:48:02+08:00", "utc": "2039-08-05T11:48:02Z", "ms": 2196157682185.276 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-08-06", "window": { "start": { "local": "2039-08-06T20:28:46+08:00", "utc": "2039-08-06T12:28:46Z", "ms": 2196246525729.3977 }, "end": { "local": "2039-08-06T20:28:46+08:00", "utc": "2039-08-06T12:28:46Z", "ms": 2196246525729.3977 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 15:32 on Fri 5 Aug to 13:37 on Sat 6 Aug.", "fact": "2039-08-05T07:32:29Z → 2039-08-06T05:36:59Z" }, { "step": "kaala", "text": "Moonrise is at 19:48 on the 5th and 20:29 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15333 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Fuzhou, 2039: Friday 5 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": "2039-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata 2039 falls on Friday 5 August. Dvitīyā runs from 15:32 on Fri 5 Aug to 13:37 on Sat 6 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 853, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2039-08-06T13:36:59+08:00", "utc": "2039-08-06T05:36:59Z", "ms": 2196221819255.855 }, "end": { "local": "2039-08-07T12:18:18+08:00", "utc": "2039-08-07T04:18:18Z", "ms": 2196303497659.6184 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-06T13:36:59+08:00", "utc": "2039-08-06T05:36:59Z", "ms": 2196221819255.855 }, "end": { "local": "2039-08-07T12:18:18+08:00", "utc": "2039-08-07T04:18:18Z", "ms": 2196303497659.6184 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-08-06", "window": { "start": { "local": "2039-08-06T11:44:37+08:00", "utc": "2039-08-06T03:44:37Z", "ms": 2196215077224.073 }, "end": { "local": "2039-08-06T12:32:37+08:00", "utc": "2039-08-06T04:32:37Z", "ms": 2196217957224.073 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-08-07", "window": { "start": { "local": "2039-08-07T11:44:30+08:00", "utc": "2039-08-07T03:44:30Z", "ms": 2196301470159.8652 }, "end": { "local": "2039-08-07T12:32:30+08:00", "utc": "2039-08-07T04:32:30Z", "ms": 2196304350159.8652 } }, "covered_min": 34, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:37 on Sat 6 Aug to 12:18 on Sun 7 Aug.", "fact": "2039-08-06T05:36:59Z → 2039-08-07T04:18:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 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": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 34 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: paraviddha → only-day · margin 853 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Fuzhou, 2039: Sunday 7 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": "2039-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Kajjalī Tṛtīyā (Kajari Teej) 2039 falls on Sunday 7 August. Tṛtīyā runs from 13:37 on Sat 6 Aug to 12:18 on Sun 7 Aug and covers 34 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13700, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-08-07T12:18:18+08:00", "utc": "2039-08-07T04:18:18Z", "ms": 2196303497659.6184 }, "end": { "local": "2039-08-08T11:42:52+08:00", "utc": "2039-08-08T03:42:52Z", "ms": 2196387772307.3247 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-07T12:18:18+08:00", "utc": "2039-08-07T04:18:18Z", "ms": 2196303497659.6184 }, "end": { "local": "2039-08-08T11:42:52+08:00", "utc": "2039-08-08T03:42:52Z", "ms": 2196387772307.3247 } }, "kaala": "sayahna", "days": [ { "local_date": "2039-08-07", "window": { "start": { "local": "2039-08-07T16:06:38+08:00", "utc": "2039-08-07T08:06:38Z", "ms": 2196317197608.058 }, "end": { "local": "2039-08-07T18:45:23+08:00", "utc": "2039-08-07T10:45:23Z", "ms": 2196326722573.52 } }, "covered_min": 159, "window_min": 159, "qualifies": true }, { "local_date": "2039-08-08", "window": { "start": { "local": "2039-08-08T16:06:08+08:00", "utc": "2039-08-08T08:06:08Z", "ms": 2196403567936.6477 }, "end": { "local": "2039-08-08T18:44:38+08:00", "utc": "2039-08-08T10:44:38Z", "ms": 2196413078214.6555 } }, "covered_min": 0, "window_min": 159, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:18 on Sun 7 Aug to 11:43 on Mon 8 Aug.", "fact": "2039-08-07T04:18:18Z → 2039-08-08T03:42:52Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:07–18:45 on the 7th, 16:06–18:45 on the 8th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 159 of 159 minutes on the 7th and 0 of 159 on the 8th.", "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 13700 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Fuzhou, 2039: Sunday 7 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": "2039-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Bahulā Caturthī 2039 falls on Sunday 7 August. Caturthī runs from 12:18 on Sun 7 Aug to 11:43 on Mon 8 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-08-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31617, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-08-07T12:18:18+08:00", "utc": "2039-08-07T04:18:18Z", "ms": 2196303497659.6184 }, "end": { "local": "2039-08-08T11:42:52+08:00", "utc": "2039-08-08T03:42:52Z", "ms": 2196387772307.3247 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-07T12:18:18+08:00", "utc": "2039-08-07T04:18:18Z", "ms": 2196303497659.6184 }, "end": { "local": "2039-08-08T11:42:52+08:00", "utc": "2039-08-08T03:42:52Z", "ms": 2196387772307.3247 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-08-07", "window": { "start": { "local": "2039-08-07T21:05:15+08:00", "utc": "2039-08-07T13:05:15Z", "ms": 2196335114970.2375 }, "end": { "local": "2039-08-07T21:05:15+08:00", "utc": "2039-08-07T13:05:15Z", "ms": 2196335114970.2375 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-08-08", "window": { "start": { "local": "2039-08-08T21:39:02+08:00", "utc": "2039-08-08T13:39:02Z", "ms": 2196423541505.2637 }, "end": { "local": "2039-08-08T21:39:02+08:00", "utc": "2039-08-08T13:39:02Z", "ms": 2196423541505.2637 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:18 on Sun 7 Aug to 11:43 on Mon 8 Aug.", "fact": "2039-08-07T04:18:18Z → 2039-08-08T03:42:52Z" }, { "step": "kaala", "text": "Moonrise is at 21:05 on the 7th and 21:39 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31617 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2039: Sunday 7 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": "2039-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2039 falls on Sunday 7 August. Caturthī runs from 12:18 on Sun 7 Aug to 11:43 on Mon 8 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-08-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 612, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2039-08-09T11:54:26+08:00", "utc": "2039-08-09T03:54:26Z", "ms": 2196474866308.0093 }, "end": { "local": "2039-08-10T12:52:49+08:00", "utc": "2039-08-10T04:52:49Z", "ms": 2196564768814.7651 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-09T11:54:26+08:00", "utc": "2039-08-09T03:54:26Z", "ms": 2196474866308.0093 }, "end": { "local": "2039-08-10T12:52:49+08:00", "utc": "2039-08-10T04:52:49Z", "ms": 2196564768814.7651 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-08-09", "window": { "start": { "local": "2039-08-09T11:44:14+08:00", "utc": "2039-08-09T03:44:14Z", "ms": 2196474254311.1704 }, "end": { "local": "2039-08-09T12:32:14+08:00", "utc": "2039-08-09T04:32:14Z", "ms": 2196477134311.1704 } }, "covered_min": 38, "window_min": 48, "qualifies": true }, { "local_date": "2039-08-10", "window": { "start": { "local": "2039-08-10T11:44:06+08:00", "utc": "2039-08-10T03:44:06Z", "ms": 2196560645542.0405 }, "end": { "local": "2039-08-10T12:32:06+08:00", "utc": "2039-08-10T04:32:06Z", "ms": 2196563525542.0405 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:54 on Tue 9 Aug to 12:53 on Wed 10 Aug.", "fact": "2039-08-09T03:54:26Z → 2039-08-10T04:52:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 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": "Ṣaṣṭhī must be present during madhyāhna. It covers 38 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 612 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Fuzhou, 2039: Wednesday 10 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": "2039-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Hala Ṣaṣṭhī 2039 falls on Wednesday 10 August. Ṣaṣṭhī runs from 11:54 on Tue 9 Aug to 12:53 on Wed 10 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 38 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25114, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2039-08-11T14:33:04+08:00", "utc": "2039-08-11T06:33:04Z", "ms": 2196657184236.1504 }, "end": { "local": "2039-08-12T16:45:27+08:00", "utc": "2039-08-12T08:45:27Z", "ms": 2196751526546.792 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-11T14:33:04+08:00", "utc": "2039-08-11T06:33:04Z", "ms": 2196657184236.1504 }, "end": { "local": "2039-08-12T16:45:27+08:00", "utc": "2039-08-12T08:45:27Z", "ms": 2196751526546.792 } }, "kaala": "nishita", "days": [ { "local_date": "2039-08-11", "window": { "start": { "local": "2039-08-11T23:44:10+08:00", "utc": "2039-08-11T15:44:10Z", "ms": 2196690250474.5605 }, "end": { "local": "2039-08-12T00:32:10+08:00", "utc": "2039-08-11T16:32:10Z", "ms": 2196693130474.5605 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-08-12", "window": { "start": { "local": "2039-08-12T23:44:01+08:00", "utc": "2039-08-12T15:44:01Z", "ms": 2196776640527.8003 }, "end": { "local": "2039-08-13T00:32:01+08:00", "utc": "2039-08-12T16:32:01Z", "ms": 2196779520527.8003 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 14:33 on Thu 11 Aug to 16:45 on Fri 12 Aug.", "fact": "2039-08-11T06:33:04Z → 2039-08-12T08:45:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 11th, 23:44–00:32 on the 12th.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25114 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Fuzhou, 2039: Thursday 11 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": "2039-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Janmāṣṭamī 2039 falls on Thursday 11 August. Aṣṭamī runs from 14:33 on Thu 11 Aug to 16:45 on Fri 12 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1243, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2039-08-10T12:52:49+08:00", "utc": "2039-08-10T04:52:49Z", "ms": 2196564768814.7651 }, "end": { "local": "2039-08-11T14:33:04+08:00", "utc": "2039-08-11T06:33:04Z", "ms": 2196657184236.1504 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-10T12:52:49+08:00", "utc": "2039-08-10T04:52:49Z", "ms": 2196564768814.7651 }, "end": { "local": "2039-08-11T14:33:04+08:00", "utc": "2039-08-11T06:33:04Z", "ms": 2196657184236.1504 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-08-10", "window": { "start": { "local": "2039-08-10T11:44:06+08:00", "utc": "2039-08-10T03:44:06Z", "ms": 2196560645542.0405 }, "end": { "local": "2039-08-10T12:32:06+08:00", "utc": "2039-08-10T04:32:06Z", "ms": 2196563525542.0405 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-08-11", "window": { "start": { "local": "2039-08-11T11:43:56+08:00", "utc": "2039-08-11T03:43:56Z", "ms": 2196647036219.6501 }, "end": { "local": "2039-08-11T12:31:56+08:00", "utc": "2039-08-11T04:31:56Z", "ms": 2196649916219.6501 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:53 on Wed 10 Aug to 14:33 on Thu 11 Aug.", "fact": "2039-08-10T04:52:49Z → 2039-08-11T06:33:04Z" }, { "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": "Saptamī 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1243 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Fuzhou, 2039: Thursday 11 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalā Saptamī 2039 falls on Thursday 11 August. Saptamī runs from 12:53 on Wed 10 Aug to 14:33 on Thu 11 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-08-15", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19400, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-08-14T21:50:16+08:00", "utc": "2039-08-14T13:50:16Z", "ms": 2196942615993.7437 }, "end": { "local": "2039-08-16T00:12:34+08:00", "utc": "2039-08-15T16:12:34Z", "ms": 2197037553912.4429 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-14T21:50:16+08:00", "utc": "2039-08-14T13:50:16Z", "ms": 2196942615993.7437 }, "end": { "local": "2039-08-16T00:12:34+08:00", "utc": "2039-08-15T16:12:34Z", "ms": 2197037553912.4429 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-08-15", "window": { "start": { "local": "2039-08-15T05:35:26+08:00", "utc": "2039-08-14T21:35:26Z", "ms": 2196970526311.858 }, "end": { "local": "2039-08-15T05:35:26+08:00", "utc": "2039-08-14T21:35:26Z", "ms": 2196970526311.858 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-08-16", "window": { "start": { "local": "2039-08-16T05:35:54+08:00", "utc": "2039-08-15T21:35:54Z", "ms": 2197056954160.9543 }, "end": { "local": "2039-08-16T05:35:54+08:00", "utc": "2039-08-15T21:35:54Z", "ms": 2197056954160.9543 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:50 on Sun 14 Aug to 00:13 on Tue 16 Aug.", "fact": "2039-08-14T13:50:16Z → 2039-08-15T16:12:34Z" }, { "step": "kaala", "text": "Sunrise is at 05:35 on the 15th and 05:36 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19400 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Fuzhou, 2039: Monday 15 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": "2039-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Ajā Ekādaśī 2039 falls on Monday 15 August. Ekādaśī runs from 21:50 on Sun 14 Aug to 00:13 on Tue 16 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-08-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-08-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21928, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-08-17T02:11:22+08:00", "utc": "2039-08-16T18:11:22Z", "ms": 2197131082260.5774 }, "end": { "local": "2039-08-18T03:38:59+08:00", "utc": "2039-08-17T19:38:59Z", "ms": 2197222738519.169 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-17T02:11:22+08:00", "utc": "2039-08-16T18:11:22Z", "ms": 2197131082260.5774 }, "end": { "local": "2039-08-18T03:38:59+08:00", "utc": "2039-08-17T19:38:59Z", "ms": 2197222738519.169 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-08-16", "window": { "start": { "local": "2039-08-16T18:38:09+08:00", "utc": "2039-08-16T10:38:09Z", "ms": 2197103888971.4426 }, "end": { "local": "2039-08-16T20:05:55+08:00", "utc": "2039-08-16T12:05:55Z", "ms": 2197109154686.156 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "2039-08-17", "window": { "start": { "local": "2039-08-17T18:37:16+08:00", "utc": "2039-08-17T10:37:16Z", "ms": 2197190236327.1682 }, "end": { "local": "2039-08-17T20:05:13+08:00", "utc": "2039-08-17T12:05:13Z", "ms": 2197195512726.1611 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:11 on Wed 17 Aug to 03:39 on Thu 18 Aug.", "fact": "2039-08-16T18:11:22Z → 2039-08-17T19:38:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:06 on the 16th, 18:37–20:05 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 16th and 88 of 88 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21928 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2039: Wednesday 17 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": "2039-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2039 falls on Wednesday 17 August. Trayodaśī runs from 02:11 on Wed 17 Aug to 03:39 on Thu 18 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-08-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27226, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-08-18T03:38:59+08:00", "utc": "2039-08-17T19:38:59Z", "ms": 2197222738519.169 }, "end": { "local": "2039-08-19T04:31:58+08:00", "utc": "2039-08-18T20:31:58Z", "ms": 2197312318184.8674 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-18T03:38:59+08:00", "utc": "2039-08-17T19:38:59Z", "ms": 2197222738519.169 }, "end": { "local": "2039-08-19T04:31:58+08:00", "utc": "2039-08-18T20:31:58Z", "ms": 2197312318184.8674 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-08-17", "window": { "start": { "local": "2039-08-17T18:37:16+08:00", "utc": "2039-08-17T10:37:16Z", "ms": 2197190236327.1682 }, "end": { "local": "2039-08-17T20:05:13+08:00", "utc": "2039-08-17T12:05:13Z", "ms": 2197195512726.1611 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "2039-08-18", "window": { "start": { "local": "2039-08-18T18:36:23+08:00", "utc": "2039-08-18T10:36:23Z", "ms": 2197276582864.0298 }, "end": { "local": "2039-08-18T20:04:30+08:00", "utc": "2039-08-18T12:04:30Z", "ms": 2197281870031.4822 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:39 on Thu 18 Aug to 04:32 on Fri 19 Aug.", "fact": "2039-08-17T19:38:59Z → 2039-08-18T20:31:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:05 on the 17th, 18:36–20:05 on the 18th.", "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 88 minutes on the 17th and 88 of 88 on the 18th.", "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 27226 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Fuzhou, 2039: Thursday 18 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": "2039-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Aghora Caturdaśī 2039 falls on Thursday 18 August. Caturdaśī runs from 03:39 on Thu 18 Aug to 04:32 on Fri 19 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/shivaratri?on=2039-08-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11276, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-08-18T03:38:59+08:00", "utc": "2039-08-17T19:38:59Z", "ms": 2197222738519.169 }, "end": { "local": "2039-08-19T04:31:58+08:00", "utc": "2039-08-18T20:31:58Z", "ms": 2197312318184.8674 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-18T03:38:59+08:00", "utc": "2039-08-17T19:38:59Z", "ms": 2197222738519.169 }, "end": { "local": "2039-08-19T04:31:58+08:00", "utc": "2039-08-18T20:31:58Z", "ms": 2197312318184.8674 } }, "kaala": "nishita", "days": [ { "local_date": "2039-08-17", "window": { "start": { "local": "2039-08-17T23:43:03+08:00", "utc": "2039-08-17T15:43:03Z", "ms": 2197208582823.3918 }, "end": { "local": "2039-08-18T00:31:03+08:00", "utc": "2039-08-17T16:31:03Z", "ms": 2197211462823.3918 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-08-18", "window": { "start": { "local": "2039-08-18T23:42:50+08:00", "utc": "2039-08-18T15:42:50Z", "ms": 2197294969741.9763 }, "end": { "local": "2039-08-19T00:30:50+08:00", "utc": "2039-08-18T16:30:50Z", "ms": 2197297849741.9763 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:39 on Thu 18 Aug to 04:32 on Fri 19 Aug.", "fact": "2039-08-17T19:38:59Z → 2039-08-18T20:31:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 17th, 23:43–00:31 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11276 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2039: Thursday 18 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": "2039-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2039 falls on Thursday 18 August. Caturdaśī runs from 03:39 on Thu 18 Aug to 04:32 on Fri 19 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2039/shivaratri?on=2039-08-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24693, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2039-08-20T04:50:36+08:00", "utc": "2039-08-19T20:50:36Z", "ms": 2197399835778.3364 }, "end": { "local": "2039-08-21T04:37:41+08:00", "utc": "2039-08-20T20:37:41Z", "ms": 2197485461269.77 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-20T04:50:36+08:00", "utc": "2039-08-19T20:50:36Z", "ms": 2197399835778.3364 }, "end": { "local": "2039-08-21T04:37:41+08:00", "utc": "2039-08-20T20:37:41Z", "ms": 2197485461269.77 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-08-20", "window": { "start": { "local": "2039-08-20T11:42:09+08:00", "utc": "2039-08-20T03:42:09Z", "ms": 2197424528644.6758 }, "end": { "local": "2039-08-20T12:30:09+08:00", "utc": "2039-08-20T04:30:09Z", "ms": 2197427408644.6758 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-08-21", "window": { "start": { "local": "2039-08-21T11:41:54+08:00", "utc": "2039-08-21T03:41:54Z", "ms": 2197510914201.0725 }, "end": { "local": "2039-08-21T12:29:54+08:00", "utc": "2039-08-21T04:29:54Z", "ms": 2197513794201.0725 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 04:51 on Sat 20 Aug to 04:38 on Sun 21 Aug.", "fact": "2039-08-19T20:50:36Z → 2039-08-20T20:37:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 20th, 11:42–12:30 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24693 s" }, { "step": "ruling", "text": "Rudra Vrata, Fuzhou, 2039: Saturday 20 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": "2039-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Rudra Vrata 2039 falls on Saturday 20 August. Pratipadā runs from 04:51 on Sat 20 Aug to 04:38 on Sun 21 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27847, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2039-08-22T03:57:32+08:00", "utc": "2039-08-21T19:57:32Z", "ms": 2197569452474.7412 }, "end": { "local": "2039-08-23T02:54:56+08:00", "utc": "2039-08-22T18:54:56Z", "ms": 2197652095800.2605 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-22T03:57:32+08:00", "utc": "2039-08-21T19:57:32Z", "ms": 2197569452474.7412 }, "end": { "local": "2039-08-23T02:54:56+08:00", "utc": "2039-08-22T18:54:56Z", "ms": 2197652095800.2605 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-08-22", "window": { "start": { "local": "2039-08-22T11:41:39+08:00", "utc": "2039-08-22T03:41:39Z", "ms": 2197597299288.5806 }, "end": { "local": "2039-08-22T12:29:39+08:00", "utc": "2039-08-22T04:29:39Z", "ms": 2197600179288.5806 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-08-23", "window": { "start": { "local": "2039-08-23T11:41:24+08:00", "utc": "2039-08-23T03:41:24Z", "ms": 2197683683916.2524 }, "end": { "local": "2039-08-23T12:29:24+08:00", "utc": "2039-08-23T04:29:24Z", "ms": 2197686563916.2524 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 03:58 on Mon 22 Aug to 02:55 on Tue 23 Aug.", "fact": "2039-08-21T19:57:32Z → 2039-08-22T18:54:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 22nd, 11:41–12:29 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27847 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Fuzhou, 2039: Monday 22 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": "2039-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Haritālikā Vrata (Hartalika Teej) 2039 falls on Monday 22 August. Tṛtīyā runs from 03:58 on Mon 22 Aug to 02:55 on Tue 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31588, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-08-23T02:54:56+08:00", "utc": "2039-08-22T18:54:56Z", "ms": 2197652095800.2605 }, "end": { "local": "2039-08-24T01:34:21+08:00", "utc": "2039-08-23T17:34:21Z", "ms": 2197733661080.9717 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-23T02:54:56+08:00", "utc": "2039-08-22T18:54:56Z", "ms": 2197652095800.2605 }, "end": { "local": "2039-08-24T01:34:21+08:00", "utc": "2039-08-23T17:34:21Z", "ms": 2197733661080.9717 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-08-23", "window": { "start": { "local": "2039-08-23T11:41:24+08:00", "utc": "2039-08-23T03:41:24Z", "ms": 2197683683916.2524 }, "end": { "local": "2039-08-23T12:29:24+08:00", "utc": "2039-08-23T04:29:24Z", "ms": 2197686563916.2524 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-08-24", "window": { "start": { "local": "2039-08-24T11:41:08+08:00", "utc": "2039-08-24T03:41:08Z", "ms": 2197770068093.968 }, "end": { "local": "2039-08-24T12:29:08+08:00", "utc": "2039-08-24T04:29:08Z", "ms": 2197772948093.968 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:55 on Tue 23 Aug to 01:34 on Wed 24 Aug.", "fact": "2039-08-22T18:54:56Z → 2039-08-23T17:34:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 23rd, 11:41–12:29 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31588 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Fuzhou, 2039: Tuesday 23 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": "2039-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Caturthī 2039 falls on Tuesday 23 August. Caturthī runs from 02:55 on Tue 23 Aug to 01:34 on Wed 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36407, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2039-08-24T01:34:21+08:00", "utc": "2039-08-23T17:34:21Z", "ms": 2197733661080.9717 }, "end": { "local": "2039-08-24T23:59:33+08:00", "utc": "2039-08-24T15:59:33Z", "ms": 2197814372686.836 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-24T01:34:21+08:00", "utc": "2039-08-23T17:34:21Z", "ms": 2197733661080.9717 }, "end": { "local": "2039-08-24T23:59:33+08:00", "utc": "2039-08-24T15:59:33Z", "ms": 2197814372686.836 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-08-24", "window": { "start": { "local": "2039-08-24T11:41:08+08:00", "utc": "2039-08-24T03:41:08Z", "ms": 2197770068093.968 }, "end": { "local": "2039-08-24T12:29:08+08:00", "utc": "2039-08-24T04:29:08Z", "ms": 2197772948093.968 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-08-25", "window": { "start": { "local": "2039-08-25T11:40:52+08:00", "utc": "2039-08-25T03:40:52Z", "ms": 2197856451832.644 }, "end": { "local": "2039-08-25T12:28:52+08:00", "utc": "2039-08-25T04:28:52Z", "ms": 2197859331832.644 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 01:34 on Wed 24 Aug to 00:00 on Wed 24 Aug.", "fact": "2039-08-23T17:34:21Z → 2039-08-24T15:59:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 24th, 11:41–12:29 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 36407 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Fuzhou, 2039: Wednesday 24 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": "2039-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Pañcamī 2039 falls on Wednesday 24 August. Pañcamī runs from 01:34 on Wed 24 Aug to 00:00 on Wed 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35066, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2039-08-24T23:59:33+08:00", "utc": "2039-08-24T15:59:33Z", "ms": 2197814372686.836 }, "end": { "local": "2039-08-25T22:13:18+08:00", "utc": "2039-08-25T14:13:18Z", "ms": 2197894397595.124 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-24T23:59:33+08:00", "utc": "2039-08-24T15:59:33Z", "ms": 2197814372686.836 }, "end": { "local": "2039-08-25T22:13:18+08:00", "utc": "2039-08-25T14:13:18Z", "ms": 2197894397595.124 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-08-24", "window": { "start": { "local": "2039-08-24T11:41:08+08:00", "utc": "2039-08-24T03:41:08Z", "ms": 2197770068093.968 }, "end": { "local": "2039-08-24T12:29:08+08:00", "utc": "2039-08-24T04:29:08Z", "ms": 2197772948093.968 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-08-25", "window": { "start": { "local": "2039-08-25T11:40:52+08:00", "utc": "2039-08-25T03:40:52Z", "ms": 2197856451832.644 }, "end": { "local": "2039-08-25T12:28:52+08:00", "utc": "2039-08-25T04:28:52Z", "ms": 2197859331832.644 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 00:00 on Wed 24 Aug to 22:13 on Thu 25 Aug.", "fact": "2039-08-24T15:59:33Z → 2039-08-25T14:13:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 24th, 11:41–12:29 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35066 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Fuzhou, 2039: Thursday 25 August.", "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": "2039-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Bhādrapada) 2039 falls on Thursday 25 August. Ṣaṣṭhī runs from 00:00 on Wed 24 Aug to 22:13 on Thu 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28135, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2039-08-25T22:13:18+08:00", "utc": "2039-08-25T14:13:18Z", "ms": 2197894397595.124 }, "end": { "local": "2039-08-26T20:17:30+08:00", "utc": "2039-08-26T12:17:30Z", "ms": 2197973850043.7927 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-25T22:13:18+08:00", "utc": "2039-08-25T14:13:18Z", "ms": 2197894397595.124 }, "end": { "local": "2039-08-26T20:17:30+08:00", "utc": "2039-08-26T12:17:30Z", "ms": 2197973850043.7927 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-08-25", "window": { "start": { "local": "2039-08-25T11:40:52+08:00", "utc": "2039-08-25T03:40:52Z", "ms": 2197856451832.644 }, "end": { "local": "2039-08-25T12:28:52+08:00", "utc": "2039-08-25T04:28:52Z", "ms": 2197859331832.644 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-08-26", "window": { "start": { "local": "2039-08-26T11:40:35+08:00", "utc": "2039-08-26T03:40:35Z", "ms": 2197942835144.4048 }, "end": { "local": "2039-08-26T12:28:35+08:00", "utc": "2039-08-26T04:28:35Z", "ms": 2197945715144.4048 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 22:13 on Thu 25 Aug to 20:18 on Fri 26 Aug.", "fact": "2039-08-25T14:13:18Z → 2039-08-26T12:17:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 25th, 11:41–12:29 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28135 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Fuzhou, 2039: Friday 26 August.", "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": "2039-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Muktābharaṇa Vrata 2039 falls on Friday 26 August. Saptamī runs from 22:13 on Thu 25 Aug to 20:18 on Fri 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20713, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2039-08-26T20:17:30+08:00", "utc": "2039-08-26T12:17:30Z", "ms": 2197973850043.7927 }, "end": { "local": "2039-08-27T18:13:31+08:00", "utc": "2039-08-27T10:13:31Z", "ms": 2198052810617.735 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-26T20:17:30+08:00", "utc": "2039-08-26T12:17:30Z", "ms": 2197973850043.7927 }, "end": { "local": "2039-08-27T18:13:31+08:00", "utc": "2039-08-27T10:13:31Z", "ms": 2198052810617.735 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-08-26", "window": { "start": { "local": "2039-08-26T11:40:35+08:00", "utc": "2039-08-26T03:40:35Z", "ms": 2197942835144.4048 }, "end": { "local": "2039-08-26T12:28:35+08:00", "utc": "2039-08-26T04:28:35Z", "ms": 2197945715144.4048 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-08-27", "window": { "start": { "local": "2039-08-27T11:40:18+08:00", "utc": "2039-08-27T03:40:18Z", "ms": 2198029218042.701 }, "end": { "local": "2039-08-27T12:28:18+08:00", "utc": "2039-08-27T04:28:18Z", "ms": 2198032098042.701 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:18 on Fri 26 Aug to 18:14 on Sat 27 Aug.", "fact": "2039-08-26T12:17:30Z → 2039-08-27T10:13:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 26th, 11:40–12:28 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20713 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Fuzhou, 2039: Saturday 27 August.", "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": "2039-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Rādhāṣṭamī 2039 falls on Saturday 27 August. Aṣṭamī runs from 20:18 on Fri 26 Aug to 18:14 on Sat 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-08-30", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20741, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-08-29T13:46:27+08:00", "utc": "2039-08-29T05:46:27Z", "ms": 2198209586952.9033 }, "end": { "local": "2039-08-30T11:27:45+08:00", "utc": "2039-08-30T03:27:45Z", "ms": 2198287664629.761 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-29T13:46:27+08:00", "utc": "2039-08-29T05:46:27Z", "ms": 2198209586952.9033 }, "end": { "local": "2039-08-30T11:27:45+08:00", "utc": "2039-08-30T03:27:45Z", "ms": 2198287664629.761 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-08-29", "window": { "start": { "local": "2039-08-29T05:41:39+08:00", "utc": "2039-08-28T21:41:39Z", "ms": 2198180498745.1575 }, "end": { "local": "2039-08-29T05:41:39+08:00", "utc": "2039-08-28T21:41:39Z", "ms": 2198180498745.1575 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-08-30", "window": { "start": { "local": "2039-08-30T05:42:04+08:00", "utc": "2039-08-29T21:42:04Z", "ms": 2198266923889.945 }, "end": { "local": "2039-08-30T05:42:04+08:00", "utc": "2039-08-29T21:42:04Z", "ms": 2198266923889.945 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:46 on Mon 29 Aug to 11:28 on Tue 30 Aug.", "fact": "2039-08-29T05:46:27Z → 2039-08-30T03:27:45Z" }, { "step": "kaala", "text": "Sunrise is at 05:42 on the 29th and 05:42 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20741 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Fuzhou, 2039: Tuesday 30 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": "2039-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Parivartanī Ekādaśī 2039 falls on Tuesday 30 August. Ekādaśī runs from 13:46 on Mon 29 Aug to 11:28 on Tue 30 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-08-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 700, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2039-08-30T11:27:45+08:00", "utc": "2039-08-30T03:27:45Z", "ms": 2198287664629.761 }, "end": { "local": "2039-08-31T09:10:21+08:00", "utc": "2039-08-31T01:10:21Z", "ms": 2198365820735.2478 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-30T11:27:45+08:00", "utc": "2039-08-30T03:27:45Z", "ms": 2198287664629.761 }, "end": { "local": "2039-08-31T09:10:21+08:00", "utc": "2039-08-31T01:10:21Z", "ms": 2198365820735.2478 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-08-30", "window": { "start": { "local": "2039-08-30T11:39:24+08:00", "utc": "2039-08-30T03:39:24Z", "ms": 2198288364412.2148 }, "end": { "local": "2039-08-30T12:27:24+08:00", "utc": "2039-08-30T04:27:24Z", "ms": 2198291244412.2148 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-08-31", "window": { "start": { "local": "2039-08-31T11:39:06+08:00", "utc": "2039-08-31T03:39:06Z", "ms": 2198374745818.8333 }, "end": { "local": "2039-08-31T12:27:06+08:00", "utc": "2039-08-31T04:27:06Z", "ms": 2198377625818.8333 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:28 on Tue 30 Aug to 09:10 on Wed 31 Aug.", "fact": "2039-08-30T03:27:45Z → 2039-08-31T01:10:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 30th, 11:39–12:27 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 700 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Fuzhou, 2039: Tuesday 30 August.", "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": "2039-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Vāmana Jayantī 2039 falls on Tuesday 30 August. Dvādaśī runs from 11:28 on Tue 30 Aug to 09:10 on Wed 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-08-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33202, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-08-31T09:10:21+08:00", "utc": "2039-08-31T01:10:21Z", "ms": 2198365820735.2478 }, "end": { "local": "2039-09-01T06:59:27+08:00", "utc": "2039-08-31T22:59:27Z", "ms": 2198444367269.6104 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-08-31T09:10:21+08:00", "utc": "2039-08-31T01:10:21Z", "ms": 2198365820735.2478 }, "end": { "local": "2039-09-01T06:59:27+08:00", "utc": "2039-08-31T22:59:27Z", "ms": 2198444367269.6104 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-08-31", "window": { "start": { "local": "2039-08-31T18:23:43+08:00", "utc": "2039-08-31T10:23:43Z", "ms": 2198399022774.002 }, "end": { "local": "2039-08-31T19:54:16+08:00", "utc": "2039-08-31T11:54:16Z", "ms": 2198404456227.8235 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2039-09-01", "window": { "start": { "local": "2039-09-01T18:22:40+08:00", "utc": "2039-09-01T10:22:40Z", "ms": 2198485360121.2244 }, "end": { "local": "2039-09-01T19:53:25+08:00", "utc": "2039-09-01T11:53:25Z", "ms": 2198490805217.6946 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:10 on Wed 31 Aug to 06:59 on Thu 1 Sep.", "fact": "2039-08-31T01:10:21Z → 2039-08-31T22:59:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–19:54 on the 31st, 18:23–19:53 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 31st and 0 of 91 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33202 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2039: Wednesday 31 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": "2039-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-08-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2039 falls on Wednesday 31 August. Trayodaśī runs from 09:10 on Wed 31 Aug to 06:59 on Thu 1 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-08-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-09-01", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2510, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-09-01T06:59:27+08:00", "utc": "2039-08-31T22:59:27Z", "ms": 2198444367269.6104 }, "end": { "local": "2039-09-02T05:01:28+08:00", "utc": "2039-09-01T21:01:28Z", "ms": 2198523687867.1848 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2039-09-01T06:59:27+08:00", "utc": "2039-08-31T22:59:27Z", "ms": 2198444367269.6104 }, "end": { "local": "2039-09-02T05:01:28+08:00", "utc": "2039-09-01T21:01:28Z", "ms": 2198523687867.1848 } }, "kaala": "udaya-3", "days": [ { "local_date": "2039-09-01", "window": { "start": { "local": "2039-09-01T05:42:54+08:00", "utc": "2039-08-31T21:42:54Z", "ms": 2198439773677.6636 }, "end": { "local": "2039-09-01T08:14:51+08:00", "utc": "2039-09-01T00:14:51Z", "ms": 2198448890966.3757 } }, "covered_min": 75, "window_min": 152, "qualifies": false }, { "local_date": "2039-09-02", "window": { "start": { "local": "2039-09-02T05:43:18+08:00", "utc": "2039-09-01T21:43:18Z", "ms": 2198526198344.7515 }, "end": { "local": "2039-09-02T08:14:58+08:00", "utc": "2039-09-02T00:14:58Z", "ms": 2198535298076.7588 } }, "covered_min": 0, "window_min": 152, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:59 on Thu 1 Sep to 05:01 on Fri 2 Sep.", "fact": "2039-08-31T22:59:27Z → 2039-09-01T21:01:28Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:43–08:15 on the 1st, 05:43–08:15 on the 2nd.", "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 75 of 152 minutes on the 1st and 0 of 152 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither morning qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 2510 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Fuzhou, 2039: Thursday 1 September.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2039-09-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-09-01", "confidence": "boundary" } ], "quote": "In Fuzhou, Ananta Caturdaśī 2039 falls on Thursday 1 September. Caturdaśī runs from 06:59 on Thu 1 Sep to 05:01 on Fri 2 Sep, and reaches the first three muhūrtas after sunrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-09-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20032, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-09-06T01:42:19+08:00", "utc": "2039-09-05T17:42:19Z", "ms": 2198857339091.5098 }, "end": { "local": "2039-09-07T02:29:27+08:00", "utc": "2039-09-06T18:29:27Z", "ms": 2198946566742.9114 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-09-06T01:42:19+08:00", "utc": "2039-09-05T17:42:19Z", "ms": 2198857339091.5098 }, "end": { "local": "2039-09-07T02:29:27+08:00", "utc": "2039-09-06T18:29:27Z", "ms": 2198946566742.9114 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-09-05", "window": { "start": { "local": "2039-09-05T20:08:27+08:00", "utc": "2039-09-05T12:08:27Z", "ms": 2198837307340.8398 }, "end": { "local": "2039-09-05T20:08:27+08:00", "utc": "2039-09-05T12:08:27Z", "ms": 2198837307340.8398 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-09-06", "window": { "start": { "local": "2039-09-06T20:41:07+08:00", "utc": "2039-09-06T12:41:07Z", "ms": 2198925667193.1802 }, "end": { "local": "2039-09-06T20:41:07+08:00", "utc": "2039-09-06T12:41:07Z", "ms": 2198925667193.1802 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:42 on Tue 6 Sep to 02:29 on Wed 7 Sep.", "fact": "2039-09-05T17:42:19Z → 2039-09-06T18:29:27Z" }, { "step": "kaala", "text": "Moonrise is at 20:08 on the 5th and 20:41 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20032 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2039: Tuesday 6 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": "2039-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-09-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2039 falls on Tuesday 6 September. Caturthī runs from 01:42 on Tue 6 Sep to 02:29 on Wed 7 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-09-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24203, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2039-09-08T03:57:48+08:00", "utc": "2039-09-07T19:57:48Z", "ms": 2199038268232.7485 }, "end": { "local": "2039-09-09T06:01:04+08:00", "utc": "2039-09-08T22:01:04Z", "ms": 2199132063947.4795 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-09-08T03:57:48+08:00", "utc": "2039-09-07T19:57:48Z", "ms": 2199038268232.7485 }, "end": { "local": "2039-09-09T06:01:04+08:00", "utc": "2039-09-08T22:01:04Z", "ms": 2199132063947.4795 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-09-07", "window": { "start": { "local": "2039-09-07T21:14:25+08:00", "utc": "2039-09-07T13:14:25Z", "ms": 2199014064802.2468 }, "end": { "local": "2039-09-07T21:14:25+08:00", "utc": "2039-09-07T13:14:25Z", "ms": 2199014064802.2468 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-09-08", "window": { "start": { "local": "2039-09-08T21:49:24+08:00", "utc": "2039-09-08T13:49:24Z", "ms": 2199102563965.925 }, "end": { "local": "2039-09-08T21:49:24+08:00", "utc": "2039-09-08T13:49:24Z", "ms": 2199102563965.925 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:58 on Thu 8 Sep to 06:01 on Fri 9 Sep.", "fact": "2039-09-07T19:57:48Z → 2039-09-08T22:01:04Z" }, { "step": "kaala", "text": "Moonrise is at 21:14 on the 7th and 21:49 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24203 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Fuzhou, 2039: Thursday 8 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": "2039-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-09-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Candra Ṣaṣṭhī 2039 falls on Thursday 8 September. Ṣaṣṭhī runs from 03:58 on Thu 8 Sep to 06:01 on Fri 9 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25702, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2039-09-10T08:27:58+08:00", "utc": "2039-09-10T00:27:58Z", "ms": 2199227278266.9404 }, "end": { "local": "2039-09-11T11:03:30+08:00", "utc": "2039-09-11T03:03:30Z", "ms": 2199323010322.607 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-09-10T08:27:58+08:00", "utc": "2039-09-10T00:27:58Z", "ms": 2199227278266.9404 }, "end": { "local": "2039-09-11T11:03:30+08:00", "utc": "2039-09-11T03:03:30Z", "ms": 2199323010322.607 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-09-10", "window": { "start": { "local": "2039-09-10T18:12:59+08:00", "utc": "2039-09-10T10:12:59Z", "ms": 2199262378752.294 }, "end": { "local": "2039-09-10T19:45:30+08:00", "utc": "2039-09-10T11:45:30Z", "ms": 2199267930395.1763 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2039-09-11", "window": { "start": { "local": "2039-09-11T18:11:53+08:00", "utc": "2039-09-11T10:11:53Z", "ms": 2199348712713.617 }, "end": { "local": "2039-09-11T19:44:36+08:00", "utc": "2039-09-11T11:44:36Z", "ms": 2199354276356.952 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:28 on Sat 10 Sep to 11:04 on Sun 11 Sep.", "fact": "2039-09-10T00:27:58Z → 2039-09-11T03:03:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:46 on the 10th, 18:12–19:45 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 93 of 93 minutes on the 10th and 0 of 93 on the 11th.", "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 25702 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Fuzhou, 2039: Saturday 10 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": "2039-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-09-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Jitāṣṭamī (Jitiya) 2039 falls on Saturday 10 September. Aṣṭamī runs from 08:28 on Sat 10 Sep to 11:04 on Sun 11 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36055, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2039-09-10T08:27:58+08:00", "utc": "2039-09-10T00:27:58Z", "ms": 2199227278266.9404 }, "end": { "local": "2039-09-11T11:03:30+08:00", "utc": "2039-09-11T03:03:30Z", "ms": 2199323010322.607 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-09-10T08:27:58+08:00", "utc": "2039-09-10T00:27:58Z", "ms": 2199227278266.9404 }, "end": { "local": "2039-09-11T11:03:30+08:00", "utc": "2039-09-11T03:03:30Z", "ms": 2199323010322.607 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-09-09", "window": { "start": { "local": "2039-09-09T22:27:04+08:00", "utc": "2039-09-09T14:27:04Z", "ms": 2199191223743.8037 }, "end": { "local": "2039-09-09T22:27:04+08:00", "utc": "2039-09-09T14:27:04Z", "ms": 2199191223743.8037 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-09-10", "window": { "start": { "local": "2039-09-10T23:08:15+08:00", "utc": "2039-09-10T15:08:15Z", "ms": 2199280094586.207 }, "end": { "local": "2039-09-10T23:08:15+08:00", "utc": "2039-09-10T15:08:15Z", "ms": 2199280094586.207 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:28 on Sat 10 Sep to 11:04 on Sun 11 Sep.", "fact": "2039-09-10T00:27:58Z → 2039-09-11T03:03:30Z" }, { "step": "kaala", "text": "Moonrise is at 22:27 on the 9th and 23:08 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 9th and is on the 10th.", "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 36055 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Fuzhou, 2039: Saturday 10 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": "2039-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-09-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahālakṣmī Vrata Samāpana 2039 falls on Saturday 10 September. Aṣṭamī runs from 08:28 on Sat 10 Sep to 11:04 on Sun 11 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-09-14", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35294, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-09-13T15:35:58+08:00", "utc": "2039-09-13T07:35:58Z", "ms": 2199512158320.0044 }, "end": { "local": "2039-09-14T17:06:23+08:00", "utc": "2039-09-14T09:06:23Z", "ms": 2199603982504.3535 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-09-13T15:35:58+08:00", "utc": "2039-09-13T07:35:58Z", "ms": 2199512158320.0044 }, "end": { "local": "2039-09-14T17:06:23+08:00", "utc": "2039-09-14T09:06:23Z", "ms": 2199603982504.3535 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-09-13", "window": { "start": { "local": "2039-09-13T05:47:44+08:00", "utc": "2039-09-12T21:47:44Z", "ms": 2199476864004.0176 }, "end": { "local": "2039-09-13T05:47:44+08:00", "utc": "2039-09-12T21:47:44Z", "ms": 2199476864004.0176 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-09-14", "window": { "start": { "local": "2039-09-14T05:48:08+08:00", "utc": "2039-09-13T21:48:08Z", "ms": 2199563287980.9824 }, "end": { "local": "2039-09-14T05:48:08+08:00", "utc": "2039-09-13T21:48:08Z", "ms": 2199563287980.9824 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:36 on Tue 13 Sep to 17:06 on Wed 14 Sep.", "fact": "2039-09-13T07:35:58Z → 2039-09-14T09:06:23Z" }, { "step": "kaala", "text": "Sunrise is at 05:48 on the 13th and 05:48 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 35294 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Fuzhou, 2039: Wednesday 14 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": "2039-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-09-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Indirā Ekādaśī 2039 falls on Wednesday 14 September. Ekādaśī runs from 15:36 on Tue 13 Sep to 17:06 on Wed 14 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-09-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-09-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-09-15", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 196, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-09-15T17:55:56+08:00", "utc": "2039-09-15T09:55:56Z", "ms": 2199693355630.49 }, "end": { "local": "2039-09-16T18:03:04+08:00", "utc": "2039-09-16T10:03:04Z", "ms": 2199780184367.433 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-09-15T17:55:56+08:00", "utc": "2039-09-15T09:55:56Z", "ms": 2199693355630.49 }, "end": { "local": "2039-09-16T18:03:04+08:00", "utc": "2039-09-16T10:03:04Z", "ms": 2199780184367.433 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-09-15", "window": { "start": { "local": "2039-09-15T18:07:27+08:00", "utc": "2039-09-15T10:07:27Z", "ms": 2199694046889.1577 }, "end": { "local": "2039-09-15T19:40:59+08:00", "utc": "2039-09-15T11:40:59Z", "ms": 2199699658772.3755 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2039-09-16", "window": { "start": { "local": "2039-09-16T18:06:20+08:00", "utc": "2039-09-16T10:06:20Z", "ms": 2199780380140.489 }, "end": { "local": "2039-09-16T19:40:04+08:00", "utc": "2039-09-16T11:40:04Z", "ms": 2199786004133.6675 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:56 on Thu 15 Sep to 18:03 on Fri 16 Sep.", "fact": "2039-09-15T09:55:56Z → 2039-09-16T10:03:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:41 on the 15th, 18:06–19:40 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 94 of 94 minutes on the 15th and 0 of 94 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 196 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2039: Thursday 15 September.", "fact": "confidence: boundary (margin)" } ], "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": "2039-09-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-09-15", "confidence": "boundary" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2039 falls on Thursday 15 September. Trayodaśī runs from 17:56 on Thu 15 Sep to 18:03 on Fri 16 Sep and covers all of pradoṣa that evening. It is 3 min 16 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-09-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/shivaratri?on=2039-09-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19846, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-09-16T18:03:04+08:00", "utc": "2039-09-16T10:03:04Z", "ms": 2199780184367.433 }, "end": { "local": "2039-09-17T17:30:20+08:00", "utc": "2039-09-17T09:30:20Z", "ms": 2199864620145.7104 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-09-16T18:03:04+08:00", "utc": "2039-09-16T10:03:04Z", "ms": 2199780184367.433 }, "end": { "local": "2039-09-17T17:30:20+08:00", "utc": "2039-09-17T09:30:20Z", "ms": 2199864620145.7104 } }, "kaala": "nishita", "days": [ { "local_date": "2039-09-16", "window": { "start": { "local": "2039-09-16T23:33:50+08:00", "utc": "2039-09-16T15:33:50Z", "ms": 2199800030114.909 }, "end": { "local": "2039-09-17T00:21:50+08:00", "utc": "2039-09-16T16:21:50Z", "ms": 2199802910114.909 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-09-17", "window": { "start": { "local": "2039-09-17T23:33:29+08:00", "utc": "2039-09-17T15:33:29Z", "ms": 2199886408770.732 }, "end": { "local": "2039-09-18T00:21:29+08:00", "utc": "2039-09-17T16:21:29Z", "ms": 2199889288770.732 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:03 on Fri 16 Sep to 17:30 on Sat 17 Sep.", "fact": "2039-09-16T10:03:04Z → 2039-09-17T09:30:20Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:34–00:22 on the 16th, 23:33–00:21 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19846 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2039: Friday 16 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": "2039-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-09-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2039 falls on Friday 16 September. Caturdaśī runs from 18:03 on Fri 16 Sep to 17:30 on Sat 17 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2039/shivaratri?on=2039-09-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2751, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2039-09-17T17:30:20+08:00", "utc": "2039-09-17T09:30:20Z", "ms": 2199864620145.7104 }, "end": { "local": "2039-09-18T16:23:05+08:00", "utc": "2039-09-18T08:23:05Z", "ms": 2199946984900.6406 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-09-17T17:30:20+08:00", "utc": "2039-09-17T09:30:20Z", "ms": 2199864620145.7104 }, "end": { "local": "2039-09-18T16:23:05+08:00", "utc": "2039-09-18T08:23:05Z", "ms": 2199946984900.6406 } }, "kaala": "aparahna", "days": [ { "local_date": "2039-09-17", "window": { "start": { "local": "2039-09-17T13:10:52+08:00", "utc": "2039-09-17T05:10:52Z", "ms": 2199849052029.619 }, "end": { "local": "2039-09-17T15:38:03+08:00", "utc": "2039-09-17T07:38:03Z", "ms": 2199857882676.3823 } }, "covered_min": 0, "window_min": 147, "qualifies": false }, { "local_date": "2039-09-18", "window": { "start": { "local": "2039-09-18T13:10:22+08:00", "utc": "2039-09-18T05:10:22Z", "ms": 2199935421563.6665 }, "end": { "local": "2039-09-18T15:37:14+08:00", "utc": "2039-09-18T07:37:14Z", "ms": 2199944234012.1157 } }, "covered_min": 147, "window_min": 147, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:30 on Sat 17 Sep to 16:23 on Sun 18 Sep.", "fact": "2039-09-17T09:30:20Z → 2039-09-18T08:23:05Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:11–15:38 on the 17th, 13:10–15:37 on the 18th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 147 minutes on the 17th and 147 of 147 on the 18th.", "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 2751 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Fuzhou, 2039: Sunday 18 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": "2039-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-09-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahālaya Amāvāsyā 2039 falls on Sunday 18 September. Amāvasyā runs from 17:30 on Sat 17 Sep to 16:23 on Sun 18 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-09-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2770, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-09-21T10:45:41+08:00", "utc": "2039-09-21T02:45:41Z", "ms": 2200185941434.247 }, "end": { "local": "2039-09-22T08:31:28+08:00", "utc": "2039-09-22T00:31:28Z", "ms": 2200264288423.5825 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-09-21T10:45:41+08:00", "utc": "2039-09-21T02:45:41Z", "ms": 2200185941434.247 }, "end": { "local": "2039-09-22T08:31:28+08:00", "utc": "2039-09-22T00:31:28Z", "ms": 2200264288423.5825 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-09-21", "window": { "start": { "local": "2039-09-21T11:31:51+08:00", "utc": "2039-09-21T03:31:51Z", "ms": 2200188711423.878 }, "end": { "local": "2039-09-21T12:19:51+08:00", "utc": "2039-09-21T04:19:51Z", "ms": 2200191591423.878 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-09-22", "window": { "start": { "local": "2039-09-22T11:31:30+08:00", "utc": "2039-09-22T03:31:30Z", "ms": 2200275090234.491 }, "end": { "local": "2039-09-22T12:19:30+08:00", "utc": "2039-09-22T04:19:30Z", "ms": 2200277970234.491 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:46 on Wed 21 Sep to 08:31 on Thu 22 Sep.", "fact": "2039-09-21T02:45:41Z → 2039-09-22T00:31:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 21st, 11:32–12:20 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2770 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2039: Wednesday 21 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": "2039-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-09-21", "confidence": "boundary" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2039 falls on Wednesday 21 September. Caturthī runs from 10:46 on Wed 21 Sep to 08:31 on Thu 22 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-09-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/ekadashi?on=2039-09-28", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34816, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-09-27T20:13:35+08:00", "utc": "2039-09-27T12:13:35Z", "ms": 2200738414551.9297 }, "end": { "local": "2039-09-28T18:39:30+08:00", "utc": "2039-09-28T10:39:30Z", "ms": 2200819169903.0957 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-09-27T20:13:35+08:00", "utc": "2039-09-27T12:13:35Z", "ms": 2200738414551.9297 }, "end": { "local": "2039-09-28T18:39:30+08:00", "utc": "2039-09-28T10:39:30Z", "ms": 2200819169903.0957 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-09-28", "window": { "start": { "local": "2039-09-28T05:53:51+08:00", "utc": "2039-09-27T21:53:51Z", "ms": 2200773230547.8657 }, "end": { "local": "2039-09-28T05:53:51+08:00", "utc": "2039-09-27T21:53:51Z", "ms": 2200773230547.8657 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-09-29", "window": { "start": { "local": "2039-09-29T05:54:16+08:00", "utc": "2039-09-28T21:54:16Z", "ms": 2200859655940.82 }, "end": { "local": "2039-09-29T05:54:16+08:00", "utc": "2039-09-28T21:54:16Z", "ms": 2200859655940.82 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:14 on Tue 27 Sep to 18:39 on Wed 28 Sep.", "fact": "2039-09-27T12:13:35Z → 2039-09-28T10:39:30Z" }, { "step": "kaala", "text": "Sunrise is at 05:54 on the 28th and 05:54 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34816 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Fuzhou, 2039: Wednesday 28 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": "2039-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-09-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Ekādaśī 2039 falls on Wednesday 28 September. Ekādaśī runs from 20:14 on Tue 27 Sep to 18:39 on Wed 28 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-09-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1962, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-09-29T17:19:13+08:00", "utc": "2039-09-29T09:19:13Z", "ms": 2200900753186.353 }, "end": { "local": "2039-09-30T16:16:36+08:00", "utc": "2039-09-30T08:16:36Z", "ms": 2200983396321.3555 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-09-29T17:19:13+08:00", "utc": "2039-09-29T09:19:13Z", "ms": 2200900753186.353 }, "end": { "local": "2039-09-30T16:16:36+08:00", "utc": "2039-09-30T08:16:36Z", "ms": 2200983396321.3555 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-09-29", "window": { "start": { "local": "2039-09-29T17:51:55+08:00", "utc": "2039-09-29T09:51:55Z", "ms": 2200902714864.4487 }, "end": { "local": "2039-09-29T19:28:17+08:00", "utc": "2039-09-29T11:28:17Z", "ms": 2200908497086.76 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2039-09-30", "window": { "start": { "local": "2039-09-30T17:50:49+08:00", "utc": "2039-09-30T09:50:49Z", "ms": 2200989049396.3804 }, "end": { "local": "2039-09-30T19:27:24+08:00", "utc": "2039-09-30T11:27:24Z", "ms": 2200994843788.703 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:19 on Thu 29 Sep to 16:17 on Fri 30 Sep.", "fact": "2039-09-29T09:19:13Z → 2039-09-30T08:16:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:52–19:28 on the 29th, 17:51–19:27 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 97 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 1962 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2039: Thursday 29 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": "2039-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-09-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2039 falls on Thursday 29 September. Trayodaśī runs from 17:19 on Thu 29 Sep to 16:17 on Fri 30 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-09-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-10-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 967, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-10-05T18:05:13+08:00", "utc": "2039-10-05T10:05:13Z", "ms": 2201421912991.483 }, "end": { "local": "2039-10-06T20:06:36+08:00", "utc": "2039-10-06T12:06:36Z", "ms": 2201515596040.83 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-10-05T18:05:13+08:00", "utc": "2039-10-05T10:05:13Z", "ms": 2201421912991.483 }, "end": { "local": "2039-10-06T20:06:36+08:00", "utc": "2039-10-06T12:06:36Z", "ms": 2201515596040.83 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-10-05", "window": { "start": { "local": "2039-10-05T19:46:05+08:00", "utc": "2039-10-05T11:46:05Z", "ms": 2201427965091.0703 }, "end": { "local": "2039-10-05T19:46:05+08:00", "utc": "2039-10-05T11:46:05Z", "ms": 2201427965091.0703 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-10-06", "window": { "start": { "local": "2039-10-06T20:22:43+08:00", "utc": "2039-10-06T12:22:43Z", "ms": 2201516563173.115 }, "end": { "local": "2039-10-06T20:22:43+08:00", "utc": "2039-10-06T12:22:43Z", "ms": 2201516563173.115 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:05 on Wed 5 Oct to 20:07 on Thu 6 Oct.", "fact": "2039-10-05T10:05:13Z → 2039-10-06T12:06:36Z" }, { "step": "kaala", "text": "Moonrise is at 19:46 on the 5th and 20:23 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 967 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2039: Wednesday 5 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": "2039-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-10-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2039 falls on Wednesday 5 October. Caturthī runs from 18:05 on Wed 5 Oct to 20:07 on Thu 6 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-10-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/ekadashi?on=2039-10-14", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10436, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-10-13T08:54:36+08:00", "utc": "2039-10-13T00:54:36Z", "ms": 2202080075611.3584 }, "end": { "local": "2039-10-14T09:10:36+08:00", "utc": "2039-10-14T01:10:36Z", "ms": 2202167435576.4834 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-10-13T08:54:36+08:00", "utc": "2039-10-13T00:54:36Z", "ms": 2202080075611.3584 }, "end": { "local": "2039-10-14T09:10:36+08:00", "utc": "2039-10-14T01:10:36Z", "ms": 2202167435576.4834 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-10-13", "window": { "start": { "local": "2039-10-13T06:00:40+08:00", "utc": "2039-10-12T22:00:40Z", "ms": 2202069640032.923 }, "end": { "local": "2039-10-13T06:00:40+08:00", "utc": "2039-10-12T22:00:40Z", "ms": 2202069640032.923 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-10-14", "window": { "start": { "local": "2039-10-14T06:01:10+08:00", "utc": "2039-10-13T22:01:10Z", "ms": 2202156070098.6226 }, "end": { "local": "2039-10-14T06:01:10+08:00", "utc": "2039-10-13T22:01:10Z", "ms": 2202156070098.6226 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:55 on Thu 13 Oct to 09:11 on Fri 14 Oct.", "fact": "2039-10-13T00:54:36Z → 2039-10-14T01:10:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:01 on the 13th and 06:01 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 10436 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Fuzhou, 2039: Friday 14 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": "2039-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-10-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Ekādaśī 2039 falls on Friday 14 October. Ekādaśī runs from 08:55 on Thu 13 Oct to 09:11 on Fri 14 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-10-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-10-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32185, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-10-15T08:38:55+08:00", "utc": "2039-10-15T00:38:55Z", "ms": 2202251934870.2905 }, "end": { "local": "2039-10-16T07:23:23+08:00", "utc": "2039-10-15T23:23:23Z", "ms": 2202333803007.0586 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-10-15T08:38:55+08:00", "utc": "2039-10-15T00:38:55Z", "ms": 2202251934870.2905 }, "end": { "local": "2039-10-16T07:23:23+08:00", "utc": "2039-10-15T23:23:23Z", "ms": 2202333803007.0586 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-10-15", "window": { "start": { "local": "2039-10-15T17:35:19+08:00", "utc": "2039-10-15T09:35:19Z", "ms": 2202284119488.4478 }, "end": { "local": "2039-10-15T19:14:54+08:00", "utc": "2039-10-15T11:14:54Z", "ms": 2202290094418.168 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2039-10-16", "window": { "start": { "local": "2039-10-16T17:34:22+08:00", "utc": "2039-10-16T09:34:22Z", "ms": 2202370462244.9194 }, "end": { "local": "2039-10-16T19:14:09+08:00", "utc": "2039-10-16T11:14:09Z", "ms": 2202376448981.4517 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:39 on Sat 15 Oct to 07:23 on Sun 16 Oct.", "fact": "2039-10-15T00:38:55Z → 2039-10-15T23:23:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:35–19:15 on the 15th, 17:34–19:14 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 100 of 100 minutes on the 15th and 0 of 100 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 32185 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2039: Saturday 15 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": "2039-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-10-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2039 falls on Saturday 15 October. Trayodaśī runs from 08:39 on Sat 15 Oct to 07:23 on Sun 16 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-10-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/shivaratri?on=2039-10-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19087, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-10-16T07:23:23+08:00", "utc": "2039-10-15T23:23:23Z", "ms": 2202333803007.0586 }, "end": { "local": "2039-10-17T05:30:40+08:00", "utc": "2039-10-16T21:30:40Z", "ms": 2202413439700.4434 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-10-16T07:23:23+08:00", "utc": "2039-10-15T23:23:23Z", "ms": 2202333803007.0586 }, "end": { "local": "2039-10-17T05:30:40+08:00", "utc": "2039-10-16T21:30:40Z", "ms": 2202413439700.4434 } }, "kaala": "nishita", "days": [ { "local_date": "2039-10-15", "window": { "start": { "local": "2039-10-15T23:24:45+08:00", "utc": "2039-10-15T15:24:45Z", "ms": 2202305085474.8984 }, "end": { "local": "2039-10-16T00:12:45+08:00", "utc": "2039-10-15T16:12:45Z", "ms": 2202307965474.8984 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-10-16", "window": { "start": { "local": "2039-10-16T23:24:33+08:00", "utc": "2039-10-16T15:24:33Z", "ms": 2202391472506.9155 }, "end": { "local": "2039-10-17T00:12:33+08:00", "utc": "2039-10-16T16:12:33Z", "ms": 2202394352506.9155 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:23 on Sun 16 Oct to 05:31 on Mon 17 Oct.", "fact": "2039-10-15T23:23:23Z → 2039-10-16T21:30:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:25–00:13 on the 15th, 23:25–00:13 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19087 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2039: Sunday 16 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": "2039-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-10-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2039 falls on Sunday 16 October. Caturdaśī runs from 07:23 on Sun 16 Oct to 05:31 on Mon 17 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2039/shivaratri?on=2039-10-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29688, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2039-10-18T03:09:04+08:00", "utc": "2039-10-17T19:09:04Z", "ms": 2202491344392.091 }, "end": { "local": "2039-10-19T00:27:38+08:00", "utc": "2039-10-18T16:27:38Z", "ms": 2202568057768.944 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-10-18T03:09:04+08:00", "utc": "2039-10-17T19:09:04Z", "ms": 2202491344392.091 }, "end": { "local": "2039-10-19T00:27:38+08:00", "utc": "2039-10-18T16:27:38Z", "ms": 2202568057768.944 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-10-18", "window": { "start": { "local": "2039-10-18T11:23:52+08:00", "utc": "2039-10-18T03:23:52Z", "ms": 2202521032255.33 }, "end": { "local": "2039-10-18T12:11:52+08:00", "utc": "2039-10-18T04:11:52Z", "ms": 2202523912255.33 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-10-19", "window": { "start": { "local": "2039-10-19T11:23:41+08:00", "utc": "2039-10-19T03:23:41Z", "ms": 2202607420861.0303 }, "end": { "local": "2039-10-19T12:11:41+08:00", "utc": "2039-10-19T04:11:41Z", "ms": 2202610300861.0303 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:09 on Tue 18 Oct to 00:28 on Wed 19 Oct.", "fact": "2039-10-17T19:09:04Z → 2039-10-18T16:27:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 18th, 11:24–12:12 on the 19th.", "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 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29688 s" }, { "step": "ruling", "text": "Navarātrārambha, Fuzhou, 2039: Tuesday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-10-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Navratri) 2039 falls on Tuesday 18 October. Pratipadā runs from 03:09 on Tue 18 Oct to 00:28 on Wed 19 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-10-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13145, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-10-20T18:40:25+08:00", "utc": "2039-10-20T10:40:25Z", "ms": 2202720025134.864 }, "end": { "local": "2039-10-21T15:50:25+08:00", "utc": "2039-10-21T07:50:25Z", "ms": 2202796224818.297 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-10-20T18:40:25+08:00", "utc": "2039-10-20T10:40:25Z", "ms": 2202720025134.864 }, "end": { "local": "2039-10-21T15:50:25+08:00", "utc": "2039-10-21T07:50:25Z", "ms": 2202796224818.297 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-10-20", "window": { "start": { "local": "2039-10-20T11:23:30+08:00", "utc": "2039-10-20T03:23:30Z", "ms": 2202693810085.996 }, "end": { "local": "2039-10-20T12:11:30+08:00", "utc": "2039-10-20T04:11:30Z", "ms": 2202696690085.996 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-10-21", "window": { "start": { "local": "2039-10-21T11:23:20+08:00", "utc": "2039-10-21T03:23:20Z", "ms": 2202780199942.0605 }, "end": { "local": "2039-10-21T12:11:20+08:00", "utc": "2039-10-21T04:11:20Z", "ms": 2202783079942.0605 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:40 on Thu 20 Oct to 15:50 on Fri 21 Oct.", "fact": "2039-10-20T10:40:25Z → 2039-10-21T07:50:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 20th, 11:23–12:11 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13145 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2039: Friday 21 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": "2039-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-10-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2039 falls on Friday 21 October. Caturthī runs from 18:40 on Thu 20 Oct to 15:50 on Fri 21 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-10-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6754, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2039-10-23T10:48:19+08:00", "utc": "2039-10-23T02:48:19Z", "ms": 2202950899150.294 }, "end": { "local": "2039-10-24T08:44:31+08:00", "utc": "2039-10-24T00:44:31Z", "ms": 2203029870770.785 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-10-23T10:48:19+08:00", "utc": "2039-10-23T02:48:19Z", "ms": 2202950899150.294 }, "end": { "local": "2039-10-24T08:44:31+08:00", "utc": "2039-10-24T00:44:31Z", "ms": 2203029870770.785 } }, "kaala": "udaya-1", "days": [ { "local_date": "2039-10-23", "window": { "start": { "local": "2039-10-23T06:06:00+08:00", "utc": "2039-10-22T22:06:00Z", "ms": 2202933959514.457 }, "end": { "local": "2039-10-23T06:51:28+08:00", "utc": "2039-10-22T22:51:28Z", "ms": 2202936687792.0264 } }, "covered_min": 0, "window_min": 45, "qualifies": false }, { "local_date": "2039-10-24", "window": { "start": { "local": "2039-10-24T06:06:34+08:00", "utc": "2039-10-23T22:06:34Z", "ms": 2203020393792.116 }, "end": { "local": "2039-10-24T06:51:56+08:00", "utc": "2039-10-23T22:51:56Z", "ms": 2203023116409.1924 } }, "covered_min": 45, "window_min": 45, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:48 on Sun 23 Oct to 08:45 on Mon 24 Oct.", "fact": "2039-10-23T02:48:19Z → 2039-10-24T00:44:31Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:06–06:51 on the 23rd, 06:07–06:52 on the 24th.", "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 45 minutes on the 23rd and 45 of 45 on the 24th.", "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 6754 s" }, { "step": "ruling", "text": "Durgā Saptamī, Fuzhou, 2039: Monday 24 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": "2039-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-10-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Saptamī 2039 falls on Monday 24 October. Saptamī runs from 10:48 on Sun 23 Oct to 08:45 on Mon 24 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9503, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2039-10-24T08:44:31+08:00", "utc": "2039-10-24T00:44:31Z", "ms": 2203029870770.785 }, "end": { "local": "2039-10-25T07:02:18+08:00", "utc": "2039-10-24T23:02:18Z", "ms": 2203110137963.05 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-10-24T08:44:31+08:00", "utc": "2039-10-24T00:44:31Z", "ms": 2203029870770.785 }, "end": { "local": "2039-10-25T07:02:18+08:00", "utc": "2039-10-24T23:02:18Z", "ms": 2203110137963.05 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-10-24", "window": { "start": { "local": "2039-10-24T11:22:53+08:00", "utc": "2039-10-24T03:22:53Z", "ms": 2203039373420.1885 }, "end": { "local": "2039-10-24T12:10:53+08:00", "utc": "2039-10-24T04:10:53Z", "ms": 2203042253420.1885 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-10-25", "window": { "start": { "local": "2039-10-25T11:22:46+08:00", "utc": "2039-10-25T03:22:46Z", "ms": 2203125765927.129 }, "end": { "local": "2039-10-25T12:10:46+08:00", "utc": "2039-10-25T04:10:46Z", "ms": 2203128645927.129 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:45 on Mon 24 Oct to 07:02 on Tue 25 Oct.", "fact": "2039-10-24T00:44:31Z → 2039-10-24T23:02:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 24th, 11:23–12:11 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 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9503 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Fuzhou, 2039: Monday 24 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": "2039-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-10-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahāṣṭamī (Durga Ashtami) 2039 falls on Monday 24 October. Aṣṭamī runs from 08:45 on Mon 24 Oct to 07:02 on Tue 25 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15628, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2039-10-25T07:02:18+08:00", "utc": "2039-10-24T23:02:18Z", "ms": 2203110137963.05 }, "end": { "local": "2039-10-26T05:43:03+08:00", "utc": "2039-10-25T21:43:03Z", "ms": 2203191783181.5215 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-10-25T07:02:18+08:00", "utc": "2039-10-24T23:02:18Z", "ms": 2203110137963.05 }, "end": { "local": "2039-10-26T05:43:03+08:00", "utc": "2039-10-25T21:43:03Z", "ms": 2203191783181.5215 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-10-25", "window": { "start": { "local": "2039-10-25T11:22:46+08:00", "utc": "2039-10-25T03:22:46Z", "ms": 2203125765927.129 }, "end": { "local": "2039-10-25T12:10:46+08:00", "utc": "2039-10-25T04:10:46Z", "ms": 2203128645927.129 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-10-26", "window": { "start": { "local": "2039-10-26T11:22:39+08:00", "utc": "2039-10-26T03:22:39Z", "ms": 2203212159131.6123 }, "end": { "local": "2039-10-26T12:10:39+08:00", "utc": "2039-10-26T04:10:39Z", "ms": 2203215039131.6123 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:02 on Tue 25 Oct to 05:43 on Wed 26 Oct.", "fact": "2039-10-24T23:02:18Z → 2039-10-25T21:43:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 25th, 11:23–12:11 on the 26th.", "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 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15628 s" }, { "step": "ruling", "text": "Mahānavamī, Fuzhou, 2039: Tuesday 25 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": "2039-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-10-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahānavamī 2039 falls on Tuesday 25 October. Navamī runs from 07:02 on Tue 25 Oct to 05:43 on Wed 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17955, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2039-10-26T05:43:03+08:00", "utc": "2039-10-25T21:43:03Z", "ms": 2203191783181.5215 }, "end": { "local": "2039-10-27T04:47:37+08:00", "utc": "2039-10-26T20:47:37Z", "ms": 2203274857299.8164 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-10-26T05:43:03+08:00", "utc": "2039-10-25T21:43:03Z", "ms": 2203191783181.5215 }, "end": { "local": "2039-10-27T04:47:37+08:00", "utc": "2039-10-26T20:47:37Z", "ms": 2203274857299.8164 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-10-26", "window": { "start": { "local": "2039-10-26T11:22:39+08:00", "utc": "2039-10-26T03:22:39Z", "ms": 2203212159131.6123 }, "end": { "local": "2039-10-26T12:10:39+08:00", "utc": "2039-10-26T04:10:39Z", "ms": 2203215039131.6123 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-10-27", "window": { "start": { "local": "2039-10-27T11:22:33+08:00", "utc": "2039-10-27T03:22:33Z", "ms": 2203298553048.6123 }, "end": { "local": "2039-10-27T12:10:33+08:00", "utc": "2039-10-27T04:10:33Z", "ms": 2203301433048.6123 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 05:43 on Wed 26 Oct to 04:48 on Thu 27 Oct.", "fact": "2039-10-25T21:43:03Z → 2039-10-26T20:47:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 26th, 11:23–12:11 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī must be present during madhyāhna. It covers 48 of 48 minutes on the 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: unstated → only-day · margin 17955 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Fuzhou, 2039: Wednesday 26 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": "2039-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-10-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Daśamī (Dussehra) 2039 falls on Wednesday 26 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 05:43 on Wed 26 Oct to 04:48 on Thu 27 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-10-27", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4842, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-10-27T04:47:37+08:00", "utc": "2039-10-26T20:47:37Z", "ms": 2203274857299.8164 }, "end": { "local": "2039-10-28T04:16:42+08:00", "utc": "2039-10-27T20:16:42Z", "ms": 2203359402169.0835 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-10-27T04:47:37+08:00", "utc": "2039-10-26T20:47:37Z", "ms": 2203274857299.8164 }, "end": { "local": "2039-10-28T04:16:42+08:00", "utc": "2039-10-27T20:16:42Z", "ms": 2203359402169.0835 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-10-27", "window": { "start": { "local": "2039-10-27T06:08:19+08:00", "utc": "2039-10-26T22:08:19Z", "ms": 2203279699190.2407 }, "end": { "local": "2039-10-27T06:08:19+08:00", "utc": "2039-10-26T22:08:19Z", "ms": 2203279699190.2407 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-10-28", "window": { "start": { "local": "2039-10-28T06:08:55+08:00", "utc": "2039-10-27T22:08:55Z", "ms": 2203366135185.3516 }, "end": { "local": "2039-10-28T06:08:55+08:00", "utc": "2039-10-27T22:08:55Z", "ms": 2203366135185.3516 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:48 on Thu 27 Oct to 04:17 on Fri 28 Oct.", "fact": "2039-10-26T20:47:37Z → 2039-10-27T20:16:42Z" }, { "step": "kaala", "text": "Sunrise is at 06:08 on the 27th and 06:09 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4842 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Fuzhou, 2039: Thursday 27 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": "2039-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-10-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāśāṅkuśā Ekādaśī 2039 falls on Thursday 27 October. Ekādaśī runs from 04:48 on Thu 27 Oct to 04:17 on Fri 28 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-10-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-10-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32703, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-10-29T04:11:07+08:00", "utc": "2039-10-28T20:11:07Z", "ms": 2203445467061.1577 }, "end": { "local": "2039-10-30T04:31:53+08:00", "utc": "2039-10-29T20:31:53Z", "ms": 2203533113470.127 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2039-10-29T04:11:07+08:00", "utc": "2039-10-28T20:11:07Z", "ms": 2203445467061.1577 }, "end": { "local": "2039-10-30T04:31:53+08:00", "utc": "2039-10-29T20:31:53Z", "ms": 2203533113470.127 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-10-28", "window": { "start": { "local": "2039-10-28T17:24:00+08:00", "utc": "2039-10-28T09:24:00Z", "ms": 2203406640201.251 }, "end": { "local": "2039-10-28T19:06:04+08:00", "utc": "2039-10-28T11:06:04Z", "ms": 2203412764389.856 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "2039-10-29", "window": { "start": { "local": "2039-10-29T17:23:15+08:00", "utc": "2039-10-29T09:23:15Z", "ms": 2203492994545.879 }, "end": { "local": "2039-10-29T19:05:30+08:00", "utc": "2039-10-29T11:05:30Z", "ms": 2203499129737.5884 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:11 on Sat 29 Oct to 04:32 on Sun 30 Oct.", "fact": "2039-10-28T20:11:07Z → 2039-10-29T20:31:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:24–19:06 on the 28th, 17:23–19:05 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 28th and 102 of 102 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 32703 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2039: Saturday 29 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": "2039-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-10-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2039 falls on Saturday 29 October. Trayodaśī runs from 04:11 on Sat 29 Oct to 04:32 on Sun 30 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-10-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17209, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-11-04T12:58:35+08:00", "utc": "2039-11-04T04:58:35Z", "ms": 2203995515063.852 }, "end": { "local": "2039-11-05T15:39:59+08:00", "utc": "2039-11-05T07:39:59Z", "ms": 2204091598948.722 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-04T12:58:35+08:00", "utc": "2039-11-04T04:58:35Z", "ms": 2203995515063.852 }, "end": { "local": "2039-11-05T15:39:59+08:00", "utc": "2039-11-05T07:39:59Z", "ms": 2204091598948.722 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-11-04", "window": { "start": { "local": "2039-11-04T19:40:47+08:00", "utc": "2039-11-04T11:40:47Z", "ms": 2204019646786.226 }, "end": { "local": "2039-11-04T19:40:47+08:00", "utc": "2039-11-04T11:40:47Z", "ms": 2204019646786.226 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-11-05", "window": { "start": { "local": "2039-11-05T20:26:48+08:00", "utc": "2039-11-05T12:26:48Z", "ms": 2204108807817.3755 }, "end": { "local": "2039-11-05T20:26:48+08:00", "utc": "2039-11-05T12:26:48Z", "ms": 2204108807817.3755 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:59 on Fri 4 Nov to 15:40 on Sat 5 Nov.", "fact": "2039-11-04T04:58:35Z → 2039-11-05T07:39:59Z" }, { "step": "kaala", "text": "Moonrise is at 19:41 on the 4th and 20:27 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17209 s" }, { "step": "ruling", "text": "Karaka Caturthī, Fuzhou, 2039: Friday 4 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Karaka Caturthī (Karwa Chauth) 2039 falls on Friday 4 November. Caturthī runs from 12:59 on Fri 4 Nov to 15:40 on Sat 5 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-11-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17209, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-11-04T12:58:35+08:00", "utc": "2039-11-04T04:58:35Z", "ms": 2203995515063.852 }, "end": { "local": "2039-11-05T15:39:59+08:00", "utc": "2039-11-05T07:39:59Z", "ms": 2204091598948.722 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-04T12:58:35+08:00", "utc": "2039-11-04T04:58:35Z", "ms": 2203995515063.852 }, "end": { "local": "2039-11-05T15:39:59+08:00", "utc": "2039-11-05T07:39:59Z", "ms": 2204091598948.722 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-11-04", "window": { "start": { "local": "2039-11-04T19:40:47+08:00", "utc": "2039-11-04T11:40:47Z", "ms": 2204019646786.226 }, "end": { "local": "2039-11-04T19:40:47+08:00", "utc": "2039-11-04T11:40:47Z", "ms": 2204019646786.226 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-11-05", "window": { "start": { "local": "2039-11-05T20:26:48+08:00", "utc": "2039-11-05T12:26:48Z", "ms": 2204108807817.3755 }, "end": { "local": "2039-11-05T20:26:48+08:00", "utc": "2039-11-05T12:26:48Z", "ms": 2204108807817.3755 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:59 on Fri 4 Nov to 15:40 on Sat 5 Nov.", "fact": "2039-11-04T04:58:35Z → 2039-11-05T07:39:59Z" }, { "step": "kaala", "text": "Moonrise is at 19:41 on the 4th and 20:27 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17209 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2039: Friday 4 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": "2039-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2039 falls on Friday 4 November. Caturthī runs from 12:59 on Fri 4 Nov to 15:40 on Sat 5 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-11-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 408, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2039-11-08T22:57:11+08:00", "utc": "2039-11-08T14:57:11Z", "ms": 2204377030900.3477 }, "end": { "local": "2039-11-10T00:24:29+08:00", "utc": "2039-11-09T16:24:29Z", "ms": 2204468669394.2524 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-08T22:57:11+08:00", "utc": "2039-11-08T14:57:11Z", "ms": 2204377030900.3477 }, "end": { "local": "2039-11-10T00:24:29+08:00", "utc": "2039-11-09T16:24:29Z", "ms": 2204468669394.2524 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-11-08", "window": { "start": { "local": "2039-11-08T23:03:59+08:00", "utc": "2039-11-08T15:03:59Z", "ms": 2204377438634.897 }, "end": { "local": "2039-11-08T23:03:59+08:00", "utc": "2039-11-08T15:03:59Z", "ms": 2204377438634.897 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-11-09", "window": { "start": { "local": "2039-11-10T00:00:03+08:00", "utc": "2039-11-09T16:00:03Z", "ms": 2204467203070.368 }, "end": { "local": "2039-11-10T00:00:03+08:00", "utc": "2039-11-09T16:00:03Z", "ms": 2204467203070.368 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:57 on Tue 8 Nov to 00:24 on Thu 10 Nov.", "fact": "2039-11-08T14:57:11Z → 2039-11-09T16:24:29Z" }, { "step": "kaala", "text": "Moonrise is at 23:04 on the 8th and 00:00 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both moonrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 408 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Fuzhou, 2039: Wednesday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Ahoyī Aṣṭamī 2039 falls on Wednesday 9 November. Aṣṭamī runs from 22:57 on Tue 8 Nov to 00:24 on Thu 10 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-11-12", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19254, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-11-12T00:57:53+08:00", "utc": "2039-11-11T16:57:53Z", "ms": 2204643472933.8027 }, "end": { "local": "2039-11-13T00:00:04+08:00", "utc": "2039-11-12T16:00:04Z", "ms": 2204726404281.071 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-12T00:57:53+08:00", "utc": "2039-11-11T16:57:53Z", "ms": 2204643472933.8027 }, "end": { "local": "2039-11-13T00:00:04+08:00", "utc": "2039-11-12T16:00:04Z", "ms": 2204726404281.071 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-11-12", "window": { "start": { "local": "2039-11-12T06:18:47+08:00", "utc": "2039-11-11T22:18:47Z", "ms": 2204662726595.889 }, "end": { "local": "2039-11-12T06:18:47+08:00", "utc": "2039-11-11T22:18:47Z", "ms": 2204662726595.889 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-11-13", "window": { "start": { "local": "2039-11-13T06:19:29+08:00", "utc": "2039-11-12T22:19:29Z", "ms": 2204749169154.2764 }, "end": { "local": "2039-11-13T06:19:29+08:00", "utc": "2039-11-12T22:19:29Z", "ms": 2204749169154.2764 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:58 on Sat 12 Nov to 00:00 on Sun 13 Nov.", "fact": "2039-11-11T16:57:53Z → 2039-11-12T16:00:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 12th and 06:19 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is 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 19254 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Fuzhou, 2039: Saturday 12 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": "2039-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Ramā Ekādaśī 2039 falls on Saturday 12 November. Ekādaśī runs from 00:58 on Sat 12 Nov to 00:00 on Sun 13 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-11-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11852, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2039-11-13T00:00:04+08:00", "utc": "2039-11-12T16:00:04Z", "ms": 2204726404281.071 }, "end": { "local": "2039-11-13T22:16:33+08:00", "utc": "2039-11-13T14:16:33Z", "ms": 2204806593076.6016 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-13T00:00:04+08:00", "utc": "2039-11-12T16:00:04Z", "ms": 2204726404281.071 }, "end": { "local": "2039-11-13T22:16:33+08:00", "utc": "2039-11-13T14:16:33Z", "ms": 2204806593076.6016 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-11-12", "window": { "start": { "local": "2039-11-12T17:14:40+08:00", "utc": "2039-11-12T09:14:40Z", "ms": 2204702080413.272 }, "end": { "local": "2039-11-12T18:59:19+08:00", "utc": "2039-11-12T10:59:19Z", "ms": 2204708358912.0728 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2039-11-13", "window": { "start": { "local": "2039-11-13T17:14:14+08:00", "utc": "2039-11-13T09:14:14Z", "ms": 2204788453572.039 }, "end": { "local": "2039-11-13T18:59:01+08:00", "utc": "2039-11-13T10:59:01Z", "ms": 2204794741365.605 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:00 on Sun 13 Nov to 22:17 on Sun 13 Nov.", "fact": "2039-11-12T16:00:04Z → 2039-11-13T14:16:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–18:59 on the 12th, 17:14–18:59 on the 13th.", "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 105 minutes on the 12th and 105 of 105 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11852 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Fuzhou, 2039: Sunday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Govatsa Dvādaśī (Vasu Baras) 2039 falls on Sunday 13 November. Dvādaśī runs from 00:00 on Sun 13 Nov to 22:17 on Sun 13 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3312, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-11-13T22:16:33+08:00", "utc": "2039-11-13T14:16:33Z", "ms": 2204806593076.6016 }, "end": { "local": "2039-11-14T19:53:57+08:00", "utc": "2039-11-14T11:53:57Z", "ms": 2204884437246.917 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-13T22:16:33+08:00", "utc": "2039-11-13T14:16:33Z", "ms": 2204806593076.6016 }, "end": { "local": "2039-11-14T19:53:57+08:00", "utc": "2039-11-14T11:53:57Z", "ms": 2204884437246.917 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-11-13", "window": { "start": { "local": "2039-11-13T17:14:14+08:00", "utc": "2039-11-13T09:14:14Z", "ms": 2204788453572.039 }, "end": { "local": "2039-11-13T18:59:01+08:00", "utc": "2039-11-13T10:59:01Z", "ms": 2204794741365.605 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2039-11-14", "window": { "start": { "local": "2039-11-14T17:13:48+08:00", "utc": "2039-11-14T09:13:48Z", "ms": 2204874828154.4463 }, "end": { "local": "2039-11-14T18:58:45+08:00", "utc": "2039-11-14T10:58:45Z", "ms": 2204881125091.3384 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:17 on Sun 13 Nov to 19:54 on Mon 14 Nov.", "fact": "2039-11-13T14:16:33Z → 2039-11-14T11:53:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:59 on the 13th, 17:14–18:59 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 105 minutes on the 13th and 105 of 105 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3312 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Fuzhou, 2039: Monday 14 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-14", "confidence": "boundary" } ], "quote": "In Fuzhou, Yama Dīpadāna 2039 falls on Monday 14 November. Trayodaśī runs from 22:17 on Sun 13 Nov to 19:54 on Mon 14 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-11-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3312, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-11-13T22:16:33+08:00", "utc": "2039-11-13T14:16:33Z", "ms": 2204806593076.6016 }, "end": { "local": "2039-11-14T19:53:57+08:00", "utc": "2039-11-14T11:53:57Z", "ms": 2204884437246.917 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-13T22:16:33+08:00", "utc": "2039-11-13T14:16:33Z", "ms": 2204806593076.6016 }, "end": { "local": "2039-11-14T19:53:57+08:00", "utc": "2039-11-14T11:53:57Z", "ms": 2204884437246.917 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-11-13", "window": { "start": { "local": "2039-11-13T17:14:14+08:00", "utc": "2039-11-13T09:14:14Z", "ms": 2204788453572.039 }, "end": { "local": "2039-11-13T18:59:01+08:00", "utc": "2039-11-13T10:59:01Z", "ms": 2204794741365.605 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2039-11-14", "window": { "start": { "local": "2039-11-14T17:13:48+08:00", "utc": "2039-11-14T09:13:48Z", "ms": 2204874828154.4463 }, "end": { "local": "2039-11-14T18:58:45+08:00", "utc": "2039-11-14T10:58:45Z", "ms": 2204881125091.3384 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:17 on Sun 13 Nov to 19:54 on Mon 14 Nov.", "fact": "2039-11-13T14:16:33Z → 2039-11-14T11:53:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:59 on the 13th, 17:14–18:59 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 105 minutes on the 13th and 105 of 105 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 3312 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2039: Monday 14 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": "2039-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-14", "confidence": "boundary" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2039 falls on Monday 14 November. Trayodaśī runs from 22:17 on Sun 13 Nov to 19:54 on Mon 14 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-11-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/shivaratri?on=2039-11-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12564, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-11-14T19:53:57+08:00", "utc": "2039-11-14T11:53:57Z", "ms": 2204884437246.917 }, "end": { "local": "2039-11-15T17:00:42+08:00", "utc": "2039-11-15T09:00:42Z", "ms": 2204960441526.5703 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-14T19:53:57+08:00", "utc": "2039-11-14T11:53:57Z", "ms": 2204884437246.917 }, "end": { "local": "2039-11-15T17:00:42+08:00", "utc": "2039-11-15T09:00:42Z", "ms": 2204960441526.5703 } }, "kaala": "nishita", "days": [ { "local_date": "2039-11-14", "window": { "start": { "local": "2039-11-14T23:23:22+08:00", "utc": "2039-11-14T15:23:22Z", "ms": 2204897001667.792 }, "end": { "local": "2039-11-15T00:11:22+08:00", "utc": "2039-11-14T16:11:22Z", "ms": 2204899881667.792 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-11-15", "window": { "start": { "local": "2039-11-15T23:23:31+08:00", "utc": "2039-11-15T15:23:31Z", "ms": 2204983411387.4097 }, "end": { "local": "2039-11-16T00:11:31+08:00", "utc": "2039-11-15T16:11:31Z", "ms": 2204986291387.4097 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:54 on Mon 14 Nov to 17:01 on Tue 15 Nov.", "fact": "2039-11-14T11:53:57Z → 2039-11-15T09:00:42Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 14th, 23:24–00:12 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12564 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2039: Monday 14 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": "2039-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2039 falls on Monday 14 November. Caturdaśī runs from 19:54 on Mon 14 Nov to 17:01 on Tue 15 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2039/shivaratri?on=2039-11-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31321, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-11-14T19:53:57+08:00", "utc": "2039-11-14T11:53:57Z", "ms": 2204884437246.917 }, "end": { "local": "2039-11-15T17:00:42+08:00", "utc": "2039-11-15T09:00:42Z", "ms": 2204960441526.5703 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-14T19:53:57+08:00", "utc": "2039-11-14T11:53:57Z", "ms": 2204884437246.917 }, "end": { "local": "2039-11-15T17:00:42+08:00", "utc": "2039-11-15T09:00:42Z", "ms": 2204960441526.5703 } }, "kaala": "arunodaya", "days": [ { "local_date": "2039-11-15", "window": { "start": { "local": "2039-11-15T04:35:58+08:00", "utc": "2039-11-14T20:35:58Z", "ms": 2204915758244.2456 }, "end": { "local": "2039-11-15T06:20:55+08:00", "utc": "2039-11-14T22:20:55Z", "ms": 2204922055181.1377 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2039-11-16", "window": { "start": { "local": "2039-11-16T04:36:33+08:00", "utc": "2039-11-15T20:36:33Z", "ms": 2205002192677.1104 }, "end": { "local": "2039-11-16T06:21:39+08:00", "utc": "2039-11-15T22:21:39Z", "ms": 2205008498600.638 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:54 on Mon 14 Nov to 17:01 on Tue 15 Nov.", "fact": "2039-11-14T11:53:57Z → 2039-11-15T09:00:42Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:36–06:21 on the 15th, 04:37–06:22 on the 16th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 105 of 105 minutes on the 15th and 0 of 105 on the 16th.", "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 31321 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Fuzhou, 2039: Tuesday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Naraka Caturdaśī (Choti Diwali) 2039 falls on Tuesday 15 November. Caturdaśī runs from 19:54 on Mon 14 Nov to 17:01 on Tue 15 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 763, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2039-11-15T17:00:42+08:00", "utc": "2039-11-15T09:00:42Z", "ms": 2204960441526.5703 }, "end": { "local": "2039-11-16T13:46:09+08:00", "utc": "2039-11-16T05:46:09Z", "ms": 2205035168814.9395 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-15T17:00:42+08:00", "utc": "2039-11-15T09:00:42Z", "ms": 2204960441526.5703 }, "end": { "local": "2039-11-16T13:46:09+08:00", "utc": "2039-11-16T05:46:09Z", "ms": 2205035168814.9395 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-11-15", "window": { "start": { "local": "2039-11-15T17:13:24+08:00", "utc": "2039-11-15T09:13:24Z", "ms": 2204961204174.181 }, "end": { "local": "2039-11-15T18:58:30+08:00", "utc": "2039-11-15T10:58:30Z", "ms": 2204967510097.709 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2039-11-16", "window": { "start": { "local": "2039-11-16T17:13:02+08:00", "utc": "2039-11-16T09:13:02Z", "ms": 2205047581642.972 }, "end": { "local": "2039-11-16T18:58:16+08:00", "utc": "2039-11-16T10:58:16Z", "ms": 2205053896391.1426 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:01 on Tue 15 Nov to 13:46 on Wed 16 Nov.", "fact": "2039-11-15T09:00:42Z → 2039-11-16T05:46:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–18:59 on the 15th, 17:13–18:58 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 105 of 105 minutes on the 15th and 0 of 105 on the 16th.", "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 763 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Fuzhou, 2039: Tuesday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Lakṣmī Pūjā (Diwali) 2039 falls on Tuesday 15 November. Amāvasyā runs from 17:01 on Tue 15 Nov to 13:46 on Wed 16 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22970, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2039-11-15T17:00:42+08:00", "utc": "2039-11-15T09:00:42Z", "ms": 2204960441526.5703 }, "end": { "local": "2039-11-16T13:46:09+08:00", "utc": "2039-11-16T05:46:09Z", "ms": 2205035168814.9395 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-15T17:00:42+08:00", "utc": "2039-11-15T09:00:42Z", "ms": 2204960441526.5703 }, "end": { "local": "2039-11-16T13:46:09+08:00", "utc": "2039-11-16T05:46:09Z", "ms": 2205035168814.9395 } }, "kaala": "nishita", "days": [ { "local_date": "2039-11-15", "window": { "start": { "local": "2039-11-15T23:23:31+08:00", "utc": "2039-11-15T15:23:31Z", "ms": 2204983411387.4097 }, "end": { "local": "2039-11-16T00:11:31+08:00", "utc": "2039-11-15T16:11:31Z", "ms": 2204986291387.4097 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-11-16", "window": { "start": { "local": "2039-11-16T23:23:42+08:00", "utc": "2039-11-16T15:23:42Z", "ms": 2205069821948.6113 }, "end": { "local": "2039-11-17T00:11:42+08:00", "utc": "2039-11-16T16:11:42Z", "ms": 2205072701948.6113 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:01 on Tue 15 Nov to 13:46 on Wed 16 Nov.", "fact": "2039-11-15T09:00:42Z → 2039-11-16T05:46:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:24–00:12 on the 15th, 23:24–00:12 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22970 s" }, { "step": "ruling", "text": "Kālī Pūjā, Fuzhou, 2039: Tuesday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Kālī Pūjā 2039 falls on Tuesday 15 November. Amāvasyā runs from 17:01 on Tue 15 Nov to 13:46 on Wed 16 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12413, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2039-11-16T13:46:09+08:00", "utc": "2039-11-16T05:46:09Z", "ms": 2205035168814.9395 }, "end": { "local": "2039-11-17T10:20:03+08:00", "utc": "2039-11-17T02:20:03Z", "ms": 2205109203122.2563 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-16T13:46:09+08:00", "utc": "2039-11-16T05:46:09Z", "ms": 2205035168814.9395 }, "end": { "local": "2039-11-17T10:20:03+08:00", "utc": "2039-11-17T02:20:03Z", "ms": 2205109203122.2563 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-11-16", "window": { "start": { "local": "2039-11-16T17:13:02+08:00", "utc": "2039-11-16T09:13:02Z", "ms": 2205047581642.972 }, "end": { "local": "2039-11-16T18:58:16+08:00", "utc": "2039-11-16T10:58:16Z", "ms": 2205053896391.1426 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2039-11-17", "window": { "start": { "local": "2039-11-17T17:12:41+08:00", "utc": "2039-11-17T09:12:41Z", "ms": 2205133960570.8955 }, "end": { "local": "2039-11-17T18:58:04+08:00", "utc": "2039-11-17T10:58:04Z", "ms": 2205140283976.3716 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:46 on Wed 16 Nov to 10:20 on Thu 17 Nov.", "fact": "2039-11-16T05:46:09Z → 2039-11-17T02:20:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–18:58 on the 16th, 17:13–18:58 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 105 of 105 minutes on the 16th and 0 of 105 on the 17th.", "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 12413 s" }, { "step": "ruling", "text": "Bali Pūjā, Fuzhou, 2039: Wednesday 16 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Bali Pūjā 2039 falls on Wednesday 16 November. Pratipadā runs from 13:46 on Wed 16 Nov to 10:20 on Thu 17 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3808, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2039-11-16T13:46:09+08:00", "utc": "2039-11-16T05:46:09Z", "ms": 2205035168814.9395 }, "end": { "local": "2039-11-17T10:20:03+08:00", "utc": "2039-11-17T02:20:03Z", "ms": 2205109203122.2563 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-16T13:46:09+08:00", "utc": "2039-11-16T05:46:09Z", "ms": 2205035168814.9395 }, "end": { "local": "2039-11-17T10:20:03+08:00", "utc": "2039-11-17T02:20:03Z", "ms": 2205109203122.2563 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-11-16", "window": { "start": { "local": "2039-11-16T11:23:20+08:00", "utc": "2039-11-16T03:23:20Z", "ms": 2205026600121.805 }, "end": { "local": "2039-11-16T12:11:20+08:00", "utc": "2039-11-16T04:11:20Z", "ms": 2205029480121.805 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-11-17", "window": { "start": { "local": "2039-11-17T11:23:31+08:00", "utc": "2039-11-17T03:23:31Z", "ms": 2205113011412.573 }, "end": { "local": "2039-11-17T12:11:31+08:00", "utc": "2039-11-17T04:11:31Z", "ms": 2205115891412.573 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:46 on Wed 16 Nov to 10:20 on Thu 17 Nov.", "fact": "2039-11-16T05:46:09Z → 2039-11-17T02:20:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 16th, 11:24–12:12 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 3808 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Fuzhou, 2039: Thursday 17 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Govardhana Pūjā 2039 falls on Thursday 17 November. Pratipadā runs from 13:46 on Wed 16 Nov to 10:20 on Thu 17 Nov, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3808, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2039-11-17T10:20:03+08:00", "utc": "2039-11-17T02:20:03Z", "ms": 2205109203122.2563 }, "end": { "local": "2039-11-18T06:52:02+08:00", "utc": "2039-11-17T22:52:02Z", "ms": 2205183122385.3716 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-17T10:20:03+08:00", "utc": "2039-11-17T02:20:03Z", "ms": 2205109203122.2563 }, "end": { "local": "2039-11-18T06:52:02+08:00", "utc": "2039-11-17T22:52:02Z", "ms": 2205183122385.3716 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-11-17", "window": { "start": { "local": "2039-11-17T11:23:31+08:00", "utc": "2039-11-17T03:23:31Z", "ms": 2205113011412.573 }, "end": { "local": "2039-11-17T12:11:31+08:00", "utc": "2039-11-17T04:11:31Z", "ms": 2205115891412.573 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-11-18", "window": { "start": { "local": "2039-11-18T11:23:44+08:00", "utc": "2039-11-18T03:23:44Z", "ms": 2205199423539.4473 }, "end": { "local": "2039-11-18T12:11:44+08:00", "utc": "2039-11-18T04:11:44Z", "ms": 2205202303539.4473 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:20 on Thu 17 Nov to 06:52 on Fri 18 Nov.", "fact": "2039-11-17T02:20:03Z → 2039-11-17T22:52:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 17th, 11:24–12:12 on the 18th.", "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 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3808 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Fuzhou, 2039: Thursday 17 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Dvitīyā (Bhai Dooj) 2039 falls on Thursday 17 November. Dvitīyā runs from 10:20 on Thu 17 Nov to 06:52 on Fri 18 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1255, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2039-11-16T13:46:09+08:00", "utc": "2039-11-16T05:46:09Z", "ms": 2205035168814.9395 }, "end": { "local": "2039-11-17T10:20:03+08:00", "utc": "2039-11-17T02:20:03Z", "ms": 2205109203122.2563 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-16T13:46:09+08:00", "utc": "2039-11-16T05:46:09Z", "ms": 2205035168814.9395 }, "end": { "local": "2039-11-17T10:20:03+08:00", "utc": "2039-11-17T02:20:03Z", "ms": 2205109203122.2563 } }, "kaala": "purvahna", "days": [ { "local_date": "2039-11-16", "window": { "start": { "local": "2039-11-16T06:21:39+08:00", "utc": "2039-11-15T22:21:39Z", "ms": 2205008498600.638 }, "end": { "local": "2039-11-16T09:58:46+08:00", "utc": "2039-11-16T01:58:46Z", "ms": 2205021526281.416 } }, "covered_min": 0, "window_min": 217, "qualifies": false }, { "local_date": "2039-11-17", "window": { "start": { "local": "2039-11-17T06:22:22+08:00", "utc": "2039-11-16T22:22:22Z", "ms": 2205094942254.251 }, "end": { "local": "2039-11-17T09:59:08+08:00", "utc": "2039-11-17T01:59:08Z", "ms": 2205107948359.7993 } }, "covered_min": 217, "window_min": 217, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:46 on Wed 16 Nov to 10:20 on Thu 17 Nov.", "fact": "2039-11-16T05:46:09Z → 2039-11-17T02:20:03Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:22–09:59 on the 16th, 06:22–09:59 on the 17th.", "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 217 minutes on the 16th and 217 of 217 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1255 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Fuzhou, 2039: Thursday 17 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Dyūta Pratipad 2039 falls on Thursday 17 November. Pratipadā runs from 13:46 on Wed 16 Nov to 10:20 on Thu 17 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28359, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-11-19T03:31:18+08:00", "utc": "2039-11-18T19:31:18Z", "ms": 2205257477701.5903 }, "end": { "local": "2039-11-20T00:26:16+08:00", "utc": "2039-11-19T16:26:16Z", "ms": 2205332775545.815 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-19T03:31:18+08:00", "utc": "2039-11-18T19:31:18Z", "ms": 2205257477701.5903 }, "end": { "local": "2039-11-20T00:26:16+08:00", "utc": "2039-11-19T16:26:16Z", "ms": 2205332775545.815 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-11-19", "window": { "start": { "local": "2039-11-19T11:23:56+08:00", "utc": "2039-11-19T03:23:56Z", "ms": 2205285836490.9863 }, "end": { "local": "2039-11-19T12:11:56+08:00", "utc": "2039-11-19T04:11:56Z", "ms": 2205288716490.9863 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-11-20", "window": { "start": { "local": "2039-11-20T11:24:10+08:00", "utc": "2039-11-20T03:24:10Z", "ms": 2205372250255.4277 }, "end": { "local": "2039-11-20T12:12:10+08:00", "utc": "2039-11-20T04:12:10Z", "ms": 2205375130255.4277 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:31 on Sat 19 Nov to 00:26 on Sun 20 Nov.", "fact": "2039-11-18T19:31:18Z → 2039-11-19T16:26:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 19th, 11:24–12:12 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28359 s" }, { "step": "ruling", "text": "Nāga Caturthī, Fuzhou, 2039: Saturday 19 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Caturthī 2039 falls on Saturday 19 November. Caturthī runs from 03:31 on Sat 19 Nov to 00:26 on Sun 20 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-11-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28359, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-11-19T03:31:18+08:00", "utc": "2039-11-18T19:31:18Z", "ms": 2205257477701.5903 }, "end": { "local": "2039-11-20T00:26:16+08:00", "utc": "2039-11-19T16:26:16Z", "ms": 2205332775545.815 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-19T03:31:18+08:00", "utc": "2039-11-18T19:31:18Z", "ms": 2205257477701.5903 }, "end": { "local": "2039-11-20T00:26:16+08:00", "utc": "2039-11-19T16:26:16Z", "ms": 2205332775545.815 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-11-19", "window": { "start": { "local": "2039-11-19T11:23:56+08:00", "utc": "2039-11-19T03:23:56Z", "ms": 2205285836490.9863 }, "end": { "local": "2039-11-19T12:11:56+08:00", "utc": "2039-11-19T04:11:56Z", "ms": 2205288716490.9863 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-11-20", "window": { "start": { "local": "2039-11-20T11:24:10+08:00", "utc": "2039-11-20T03:24:10Z", "ms": 2205372250255.4277 }, "end": { "local": "2039-11-20T12:12:10+08:00", "utc": "2039-11-20T04:12:10Z", "ms": 2205375130255.4277 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:31 on Sat 19 Nov to 00:26 on Sun 20 Nov.", "fact": "2039-11-18T19:31:18Z → 2039-11-19T16:26:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 19th, 11:24–12:12 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28359 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2039: Saturday 19 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": "2039-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2039 falls on Saturday 19 November. Caturthī runs from 03:31 on Sat 19 Nov to 00:26 on Sun 20 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-11-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26354, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2039-11-20T21:44:21+08:00", "utc": "2039-11-20T13:44:21Z", "ms": 2205409460581.7373 }, "end": { "local": "2039-11-21T19:31:38+08:00", "utc": "2039-11-21T11:31:38Z", "ms": 2205487898348.5874 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-20T21:44:21+08:00", "utc": "2039-11-20T13:44:21Z", "ms": 2205409460581.7373 }, "end": { "local": "2039-11-21T19:31:38+08:00", "utc": "2039-11-21T11:31:38Z", "ms": 2205487898348.5874 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-11-20", "window": { "start": { "local": "2039-11-20T11:24:10+08:00", "utc": "2039-11-20T03:24:10Z", "ms": 2205372250255.4277 }, "end": { "local": "2039-11-20T12:12:10+08:00", "utc": "2039-11-20T04:12:10Z", "ms": 2205375130255.4277 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-11-21", "window": { "start": { "local": "2039-11-21T11:24:25+08:00", "utc": "2039-11-21T03:24:25Z", "ms": 2205458664821.1104 }, "end": { "local": "2039-11-21T12:12:25+08:00", "utc": "2039-11-21T04:12:25Z", "ms": 2205461544821.1104 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:44 on Sun 20 Nov to 19:32 on Mon 21 Nov.", "fact": "2039-11-20T13:44:21Z → 2039-11-21T11:31:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 20th, 11:24–12:12 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26354 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Fuzhou, 2039: Monday 21 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Chhath) 2039 falls on Monday 21 November. Ṣaṣṭhī runs from 21:44 on Sun 20 Nov to 19:32 on Mon 21 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16630, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2039-11-22T17:52:39+08:00", "utc": "2039-11-22T09:52:39Z", "ms": 2205568359097.2476 }, "end": { "local": "2039-11-23T16:50:06+08:00", "utc": "2039-11-23T08:50:06Z", "ms": 2205651005862.3726 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-22T17:52:39+08:00", "utc": "2039-11-22T09:52:39Z", "ms": 2205568359097.2476 }, "end": { "local": "2039-11-23T16:50:06+08:00", "utc": "2039-11-23T08:50:06Z", "ms": 2205651005862.3726 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-11-22", "window": { "start": { "local": "2039-11-22T11:24:40+08:00", "utc": "2039-11-22T03:24:40Z", "ms": 2205545080176.6465 }, "end": { "local": "2039-11-22T12:12:40+08:00", "utc": "2039-11-22T04:12:40Z", "ms": 2205547960176.6465 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-11-23", "window": { "start": { "local": "2039-11-23T11:24:56+08:00", "utc": "2039-11-23T03:24:56Z", "ms": 2205631496310.8564 }, "end": { "local": "2039-11-23T12:12:56+08:00", "utc": "2039-11-23T04:12:56Z", "ms": 2205634376310.8564 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:53 on Tue 22 Nov to 16:50 on Wed 23 Nov.", "fact": "2039-11-22T09:52:39Z → 2039-11-23T08:50:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 22nd, 11:25–12:13 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16630 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Fuzhou, 2039: Wednesday 23 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": "2039-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Gopāṣṭamī 2039 falls on Wednesday 23 November. Aṣṭamī runs from 17:53 on Tue 22 Nov to 16:50 on Wed 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22971, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2039-11-23T16:50:06+08:00", "utc": "2039-11-23T08:50:06Z", "ms": 2205651005862.3726 }, "end": { "local": "2039-11-24T16:24:51+08:00", "utc": "2039-11-24T08:24:51Z", "ms": 2205735890673.438 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-23T16:50:06+08:00", "utc": "2039-11-23T08:50:06Z", "ms": 2205651005862.3726 }, "end": { "local": "2039-11-24T16:24:51+08:00", "utc": "2039-11-24T08:24:51Z", "ms": 2205735890673.438 } }, "kaala": "purvahna", "days": [ { "local_date": "2039-11-23", "window": { "start": { "local": "2039-11-23T06:26:47+08:00", "utc": "2039-11-22T22:26:47Z", "ms": 2205613607354.22 }, "end": { "local": "2039-11-23T10:01:33+08:00", "utc": "2039-11-23T02:01:33Z", "ms": 2205626493325.311 } }, "covered_min": 0, "window_min": 215, "qualifies": false }, { "local_date": "2039-11-24", "window": { "start": { "local": "2039-11-24T06:27:32+08:00", "utc": "2039-11-23T22:27:32Z", "ms": 2205700051773.934 }, "end": { "local": "2039-11-24T10:01:59+08:00", "utc": "2039-11-24T02:01:59Z", "ms": 2205712919399.6953 } }, "covered_min": 214, "window_min": 214, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 16:50 on Wed 23 Nov to 16:25 on Thu 24 Nov.", "fact": "2039-11-23T08:50:06Z → 2039-11-24T08:24:51Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:27–10:02 on the 23rd, 06:28–10:02 on the 24th.", "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 215 minutes on the 23rd and 214 of 214 on the 24th.", "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 22971 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Fuzhou, 2039: Thursday 24 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": "2039-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Akṣaya Navamī (Amla Navami) 2039 falls on Thursday 24 November. Navamī runs from 16:50 on Wed 23 Nov to 16:25 on Thu 24 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15097, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2039-11-23T16:50:06+08:00", "utc": "2039-11-23T08:50:06Z", "ms": 2205651005862.3726 }, "end": { "local": "2039-11-24T16:24:51+08:00", "utc": "2039-11-24T08:24:51Z", "ms": 2205735890673.438 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-23T16:50:06+08:00", "utc": "2039-11-23T08:50:06Z", "ms": 2205651005862.3726 }, "end": { "local": "2039-11-24T16:24:51+08:00", "utc": "2039-11-24T08:24:51Z", "ms": 2205735890673.438 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-11-23", "window": { "start": { "local": "2039-11-23T11:24:56+08:00", "utc": "2039-11-23T03:24:56Z", "ms": 2205631496310.8564 }, "end": { "local": "2039-11-23T12:12:56+08:00", "utc": "2039-11-23T04:12:56Z", "ms": 2205634376310.8564 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-11-24", "window": { "start": { "local": "2039-11-24T11:25:13+08:00", "utc": "2039-11-24T03:25:13Z", "ms": 2205717913212.576 }, "end": { "local": "2039-11-24T12:13:13+08:00", "utc": "2039-11-24T04:13:13Z", "ms": 2205720793212.576 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 16:50 on Wed 23 Nov to 16:25 on Thu 24 Nov.", "fact": "2039-11-23T08:50:06Z → 2039-11-24T08:24:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 23rd, 11:25–12:13 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15097 s" }, { "step": "ruling", "text": "Durgā Navamī, Fuzhou, 2039: Thursday 24 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": "2039-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Navamī 2039 falls on Thursday 24 November. Navamī runs from 16:50 on Wed 23 Nov to 16:25 on Thu 24 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-11-26", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36466, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-11-25T16:36:02+08:00", "utc": "2039-11-25T08:36:02Z", "ms": 2205822961773.184 }, "end": { "local": "2039-11-26T17:21:22+08:00", "utc": "2039-11-26T09:21:22Z", "ms": 2205912081620.574 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-25T16:36:02+08:00", "utc": "2039-11-25T08:36:02Z", "ms": 2205822961773.184 }, "end": { "local": "2039-11-26T17:21:22+08:00", "utc": "2039-11-26T09:21:22Z", "ms": 2205912081620.574 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-11-25", "window": { "start": { "local": "2039-11-25T06:28:16+08:00", "utc": "2039-11-24T22:28:16Z", "ms": 2205786496179.655 }, "end": { "local": "2039-11-25T06:28:16+08:00", "utc": "2039-11-24T22:28:16Z", "ms": 2205786496179.655 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-11-26", "window": { "start": { "local": "2039-11-26T06:29:01+08:00", "utc": "2039-11-25T22:29:01Z", "ms": 2205872940541.272 }, "end": { "local": "2039-11-26T06:29:01+08:00", "utc": "2039-11-25T22:29:01Z", "ms": 2205872940541.272 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:36 on Fri 25 Nov to 17:21 on Sat 26 Nov.", "fact": "2039-11-25T08:36:02Z → 2039-11-26T09:21:22Z" }, { "step": "kaala", "text": "Sunrise is at 06:28 on the 25th and 06:29 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 36466 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Fuzhou, 2039: Saturday 26 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": "2039-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Prabodhinī Ekādaśī 2039 falls on Saturday 26 November. Ekādaśī runs from 16:36 on Fri 25 Nov to 17:21 on Sat 26 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-11-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-11-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-28", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1180, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-11-27T18:37:31+08:00", "utc": "2039-11-27T10:37:31Z", "ms": 2206003051343.0566 }, "end": { "local": "2039-11-28T20:20:34+08:00", "utc": "2039-11-28T12:20:34Z", "ms": 2206095634197.823 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-27T18:37:31+08:00", "utc": "2039-11-27T10:37:31Z", "ms": 2206003051343.0566 }, "end": { "local": "2039-11-28T20:20:34+08:00", "utc": "2039-11-28T12:20:34Z", "ms": 2206095634197.823 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-11-27", "window": { "start": { "local": "2039-11-27T17:10:32+08:00", "utc": "2039-11-27T09:10:32Z", "ms": 2205997831984.6357 }, "end": { "local": "2039-11-27T18:57:12+08:00", "utc": "2039-11-27T10:57:12Z", "ms": 2206004231588.069 } }, "covered_min": 20, "window_min": 107, "qualifies": true }, { "local_date": "2039-11-28", "window": { "start": { "local": "2039-11-28T17:10:28+08:00", "utc": "2039-11-28T09:10:28Z", "ms": 2206084227507.947 }, "end": { "local": "2039-11-28T18:57:14+08:00", "utc": "2039-11-28T10:57:14Z", "ms": 2206090633580.9927 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:38 on Sun 27 Nov to 20:21 on Mon 28 Nov.", "fact": "2039-11-27T10:37:31Z → 2039-11-28T12:20:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:57 on the 27th, 17:10–18:57 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 20 of 107 minutes on the 27th and 107 of 107 on the 28th.", "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 1180 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2039: Monday 28 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-11-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-28", "confidence": "boundary" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2039 falls on Monday 28 November. Trayodaśī runs from 18:38 on Sun 27 Nov to 20:21 on Mon 28 Nov and covers all of pradoṣa that evening. It also reaches the previous evening for 20 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/fuzhou/festivals/2039/pradosha-vrata?on=2039-11-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36681, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-11-29T22:26:10+08:00", "utc": "2039-11-29T14:26:10Z", "ms": 2206189570310.7866 }, "end": { "local": "2039-12-01T00:49:38+08:00", "utc": "2039-11-30T16:49:38Z", "ms": 2206284577875.408 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-29T22:26:10+08:00", "utc": "2039-11-29T14:26:10Z", "ms": 2206189570310.7866 }, "end": { "local": "2039-12-01T00:49:38+08:00", "utc": "2039-11-30T16:49:38Z", "ms": 2206284577875.408 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-11-29", "window": { "start": { "local": "2039-11-29T11:26:49+08:00", "utc": "2039-11-29T03:26:49Z", "ms": 2206150008816.3643 }, "end": { "local": "2039-11-29T12:14:49+08:00", "utc": "2039-11-29T04:14:49Z", "ms": 2206152888816.3643 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-11-30", "window": { "start": { "local": "2039-11-30T11:27:10+08:00", "utc": "2039-11-30T03:27:10Z", "ms": 2206236430063.09 }, "end": { "local": "2039-11-30T12:15:10+08:00", "utc": "2039-11-30T04:15:10Z", "ms": 2206239310063.09 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:26 on Tue 29 Nov to 00:50 on Thu 1 Dec.", "fact": "2039-11-29T14:26:10Z → 2039-11-30T16:49:38Z" }, { "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": "Pūrṇimā 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 36681 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Fuzhou, 2039: Wednesday 30 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": "2039-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Kārtikī Pūrṇimā 2039 falls on Wednesday 30 November. Pūrṇimā runs from 22:26 on Tue 29 Nov to 00:50 on Thu 1 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2046, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-11-29T22:26:10+08:00", "utc": "2039-11-29T14:26:10Z", "ms": 2206189570310.7866 }, "end": { "local": "2039-12-01T00:49:38+08:00", "utc": "2039-11-30T16:49:38Z", "ms": 2206284577875.408 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2039-11-29T22:26:10+08:00", "utc": "2039-11-29T14:26:10Z", "ms": 2206189570310.7866 }, "end": { "local": "2039-12-01T00:49:38+08:00", "utc": "2039-11-30T16:49:38Z", "ms": 2206284577875.408 } }, "kaala": "nishita", "days": [ { "local_date": "2039-11-29", "window": { "start": { "local": "2039-11-29T23:27:11+08:00", "utc": "2039-11-29T15:27:11Z", "ms": 2206193230754.796 }, "end": { "local": "2039-11-30T00:15:11+08:00", "utc": "2039-11-29T16:15:11Z", "ms": 2206196110754.796 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-11-30", "window": { "start": { "local": "2039-11-30T23:27:32+08:00", "utc": "2039-11-30T15:27:32Z", "ms": 2206279651900.868 }, "end": { "local": "2039-12-01T00:15:32+08:00", "utc": "2039-11-30T16:15:32Z", "ms": 2206282531900.868 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:26 on Tue 29 Nov to 00:50 on Thu 1 Dec.", "fact": "2039-11-29T14:26:10Z → 2039-11-30T16:49:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 29th, 23:28–00:16 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 29th and 48 of 48 on the 30th.", "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 2046 s" }, { "step": "ruling", "text": "Rāsayātrā, Fuzhou, 2039: Wednesday 30 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": "2039-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-11-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Rāsayātrā 2039 falls on Wednesday 30 November. Pūrṇimā runs from 22:26 on Tue 29 Nov to 00:50 on Thu 1 Dec and covers all of niśītha that night. It also reaches the previous night for 48 minutes; by the rule the second night is taken.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-12-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34481, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-12-04T08:49:44+08:00", "utc": "2039-12-04T00:49:44Z", "ms": 2206572583853.5312 }, "end": { "local": "2039-12-05T11:21:47+08:00", "utc": "2039-12-05T03:21:47Z", "ms": 2206668107442.651 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-12-04T08:49:44+08:00", "utc": "2039-12-04T00:49:44Z", "ms": 2206572583853.5312 }, "end": { "local": "2039-12-05T11:21:47+08:00", "utc": "2039-12-05T03:21:47Z", "ms": 2206668107442.651 } }, "kaala": "moonrise", "days": [ { "local_date": "2039-12-04", "window": { "start": { "local": "2039-12-04T20:02:40+08:00", "utc": "2039-12-04T12:02:40Z", "ms": 2206612959510.9126 }, "end": { "local": "2039-12-04T20:02:40+08:00", "utc": "2039-12-04T12:02:40Z", "ms": 2206612959510.9126 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2039-12-05", "window": { "start": { "local": "2039-12-05T20:56:28+08:00", "utc": "2039-12-05T12:56:28Z", "ms": 2206702588051.4375 }, "end": { "local": "2039-12-05T20:56:28+08:00", "utc": "2039-12-05T12:56:28Z", "ms": 2206702588051.4375 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:50 on Sun 4 Dec to 11:22 on Mon 5 Dec.", "fact": "2039-12-04T00:49:44Z → 2039-12-05T03:21:47Z" }, { "step": "kaala", "text": "Moonrise is at 20:03 on the 4th and 20:56 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34481 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2039: Sunday 4 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": "2039-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-12-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2039 falls on Sunday 4 December. Caturthī runs from 08:50 on Sun 4 Dec to 11:22 on Mon 5 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/sankashta-chaturthi?on=2039-12-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/ekadashi?on=2039-12-12", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24134, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-12-11T15:17:25+08:00", "utc": "2039-12-11T07:17:25Z", "ms": 2207200645377.277 }, "end": { "local": "2039-12-12T13:22:32+08:00", "utc": "2039-12-12T05:22:32Z", "ms": 2207280151528.816 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-12-11T15:17:25+08:00", "utc": "2039-12-11T07:17:25Z", "ms": 2207200645377.277 }, "end": { "local": "2039-12-12T13:22:32+08:00", "utc": "2039-12-12T05:22:32Z", "ms": 2207280151528.816 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-12-11", "window": { "start": { "local": "2039-12-11T06:39:38+08:00", "utc": "2039-12-10T22:39:38Z", "ms": 2207169578486.3213 }, "end": { "local": "2039-12-11T06:39:38+08:00", "utc": "2039-12-10T22:39:38Z", "ms": 2207169578486.3213 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-12-12", "window": { "start": { "local": "2039-12-12T06:40:18+08:00", "utc": "2039-12-11T22:40:18Z", "ms": 2207256017547.8438 }, "end": { "local": "2039-12-12T06:40:18+08:00", "utc": "2039-12-11T22:40:18Z", "ms": 2207256017547.8438 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:17 on Sun 11 Dec to 13:23 on Mon 12 Dec.", "fact": "2039-12-11T07:17:25Z → 2039-12-12T05:22:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:40 on the 11th and 06:40 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24134 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Fuzhou, 2039: Monday 12 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": "2039-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-12-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Utpannā Ekādaśī 2039 falls on Monday 12 December. Ekādaśī runs from 15:17 on Sun 11 Dec to 13:23 on Mon 12 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-12-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-12-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23033, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-12-13T10:48:31+08:00", "utc": "2039-12-13T02:48:31Z", "ms": 2207357310950.252 }, "end": { "local": "2039-12-14T07:42:47+08:00", "utc": "2039-12-13T23:42:47Z", "ms": 2207432566734.593 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-12-13T10:48:31+08:00", "utc": "2039-12-13T02:48:31Z", "ms": 2207357310950.252 }, "end": { "local": "2039-12-14T07:42:47+08:00", "utc": "2039-12-13T23:42:47Z", "ms": 2207432566734.593 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-12-13", "window": { "start": { "local": "2039-12-13T17:12:24+08:00", "utc": "2039-12-13T09:12:24Z", "ms": 2207380344225.847 }, "end": { "local": "2039-12-13T19:00:17+08:00", "utc": "2039-12-13T11:00:17Z", "ms": 2207386817482.504 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2039-12-14", "window": { "start": { "local": "2039-12-14T17:12:44+08:00", "utc": "2039-12-14T09:12:44Z", "ms": 2207466763841.0933 }, "end": { "local": "2039-12-14T19:00:39+08:00", "utc": "2039-12-14T11:00:39Z", "ms": 2207473239409.373 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:49 on Tue 13 Dec to 07:43 on Wed 14 Dec.", "fact": "2039-12-13T02:48:31Z → 2039-12-13T23:42:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:12–19:00 on the 13th, 17:13–19:01 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 108 of 108 minutes on the 13th and 0 of 108 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 23033 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2039: Tuesday 13 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": "2039-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-12-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2039 falls on Tuesday 13 December. Trayodaśī runs from 10:49 on Tue 13 Dec to 07:43 on Wed 14 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-12-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/shivaratri?on=2039-12-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13958, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2039-12-14T07:42:47+08:00", "utc": "2039-12-13T23:42:47Z", "ms": 2207432566734.593 }, "end": { "local": "2039-12-15T04:14:05+08:00", "utc": "2039-12-14T20:14:05Z", "ms": 2207506445241.44 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-12-14T07:42:47+08:00", "utc": "2039-12-13T23:42:47Z", "ms": 2207432566734.593 }, "end": { "local": "2039-12-15T04:14:05+08:00", "utc": "2039-12-14T20:14:05Z", "ms": 2207506445241.44 } }, "kaala": "nishita", "days": [ { "local_date": "2039-12-13", "window": { "start": { "local": "2039-12-13T23:32:59+08:00", "utc": "2039-12-13T15:32:59Z", "ms": 2207403178938.3105 }, "end": { "local": "2039-12-14T00:20:59+08:00", "utc": "2039-12-13T16:20:59Z", "ms": 2207406058938.3105 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-12-14", "window": { "start": { "local": "2039-12-14T23:33:27+08:00", "utc": "2039-12-14T15:33:27Z", "ms": 2207489607222.143 }, "end": { "local": "2039-12-15T00:21:27+08:00", "utc": "2039-12-14T16:21:27Z", "ms": 2207492487222.143 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:43 on Wed 14 Dec to 04:14 on Thu 15 Dec.", "fact": "2039-12-13T23:42:47Z → 2039-12-14T20:14:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:33–00:21 on the 13th, 23:33–00:21 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13958 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2039: Wednesday 14 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": "2039-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-12-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2039 falls on Wednesday 14 December. Caturdaśī runs from 07:43 on Wed 14 Dec to 04:14 on Thu 15 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2039/shivaratri?on=2039-12-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2483, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2039-12-19T10:54:13+08:00", "utc": "2039-12-19T02:54:13Z", "ms": 2207876053258.749 }, "end": { "local": "2039-12-20T08:35:31+08:00", "utc": "2039-12-20T00:35:31Z", "ms": 2207954130942.1357 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-12-19T10:54:13+08:00", "utc": "2039-12-19T02:54:13Z", "ms": 2207876053258.749 }, "end": { "local": "2039-12-20T08:35:31+08:00", "utc": "2039-12-20T00:35:31Z", "ms": 2207954130942.1357 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-12-19", "window": { "start": { "local": "2039-12-19T11:35:36+08:00", "utc": "2039-12-19T03:35:36Z", "ms": 2207878535928.6045 }, "end": { "local": "2039-12-19T12:23:36+08:00", "utc": "2039-12-19T04:23:36Z", "ms": 2207881415928.6045 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-12-20", "window": { "start": { "local": "2039-12-20T11:36:06+08:00", "utc": "2039-12-20T03:36:06Z", "ms": 2207964965869.9297 }, "end": { "local": "2039-12-20T12:24:06+08:00", "utc": "2039-12-20T04:24:06Z", "ms": 2207967845869.9297 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:54 on Mon 19 Dec to 08:36 on Tue 20 Dec.", "fact": "2039-12-19T02:54:13Z → 2039-12-20T00:35:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 19th, 11:36–12:24 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2483 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Fuzhou, 2039: Monday 19 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-12-19", "confidence": "boundary" } ], "quote": "In Fuzhou, Nāga Pañcamī (Mārgaśīrṣa) 2039 falls on Monday 19 December. Pañcamī runs from 10:54 on Mon 19 Dec to 08:36 on Tue 20 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-12-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2483, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2039-12-18T13:48:12+08:00", "utc": "2039-12-18T05:48:12Z", "ms": 2207800091523.9727 }, "end": { "local": "2039-12-19T10:54:13+08:00", "utc": "2039-12-19T02:54:13Z", "ms": 2207876053258.749 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-12-18T13:48:12+08:00", "utc": "2039-12-18T05:48:12Z", "ms": 2207800091523.9727 }, "end": { "local": "2039-12-19T10:54:13+08:00", "utc": "2039-12-19T02:54:13Z", "ms": 2207876053258.749 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-12-18", "window": { "start": { "local": "2039-12-18T11:35:06+08:00", "utc": "2039-12-18T03:35:06Z", "ms": 2207792106103.9453 }, "end": { "local": "2039-12-18T12:23:06+08:00", "utc": "2039-12-18T04:23:06Z", "ms": 2207794986103.9453 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2039-12-19", "window": { "start": { "local": "2039-12-19T11:35:36+08:00", "utc": "2039-12-19T03:35:36Z", "ms": 2207878535928.6045 }, "end": { "local": "2039-12-19T12:23:36+08:00", "utc": "2039-12-19T04:23:36Z", "ms": 2207881415928.6045 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:48 on Sun 18 Dec to 10:54 on Mon 19 Dec.", "fact": "2039-12-18T05:48:12Z → 2039-12-19T02:54:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 18th, 11:36–12:24 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 0 of 48 on the 19th.", "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 2483 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2039: Monday 19 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": "2039-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-12-19", "confidence": "boundary" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2039 falls on Monday 19 December. Caturthī runs from 13:48 on Sun 18 Dec to 10:54 on Mon 19 Dec, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/vinayaka-chaturthi?on=2039-12-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10835, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2039-12-20T08:35:31+08:00", "utc": "2039-12-20T00:35:31Z", "ms": 2207954130942.1357 }, "end": { "local": "2039-12-21T06:58:53+08:00", "utc": "2039-12-20T22:58:53Z", "ms": 2208034732615.3994 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-12-20T08:35:31+08:00", "utc": "2039-12-20T00:35:31Z", "ms": 2207954130942.1357 }, "end": { "local": "2039-12-21T06:58:53+08:00", "utc": "2039-12-20T22:58:53Z", "ms": 2208034732615.3994 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-12-20", "window": { "start": { "local": "2039-12-20T11:36:06+08:00", "utc": "2039-12-20T03:36:06Z", "ms": 2207964965869.9297 }, "end": { "local": "2039-12-20T12:24:06+08:00", "utc": "2039-12-20T04:24:06Z", "ms": 2207967845869.9297 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-12-21", "window": { "start": { "local": "2039-12-21T11:36:36+08:00", "utc": "2039-12-21T03:36:36Z", "ms": 2208051395891.2207 }, "end": { "local": "2039-12-21T12:24:36+08:00", "utc": "2039-12-21T04:24:36Z", "ms": 2208054275891.2207 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:36 on Tue 20 Dec to 06:59 on Wed 21 Dec.", "fact": "2039-12-20T00:35:31Z → 2039-12-20T22:58:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 20th, 11:37–12:25 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10835 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Fuzhou, 2039: Tuesday 20 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-12-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Campā Ṣaṣṭhī 2039 falls on Tuesday 20 December. Ṣaṣṭhī runs from 08:36 on Tue 20 Dec to 06:59 on Wed 21 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10835, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2039-12-20T08:35:31+08:00", "utc": "2039-12-20T00:35:31Z", "ms": 2207954130942.1357 }, "end": { "local": "2039-12-21T06:58:53+08:00", "utc": "2039-12-20T22:58:53Z", "ms": 2208034732615.3994 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-12-20T08:35:31+08:00", "utc": "2039-12-20T00:35:31Z", "ms": 2207954130942.1357 }, "end": { "local": "2039-12-21T06:58:53+08:00", "utc": "2039-12-20T22:58:53Z", "ms": 2208034732615.3994 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-12-20", "window": { "start": { "local": "2039-12-20T11:36:06+08:00", "utc": "2039-12-20T03:36:06Z", "ms": 2207964965869.9297 }, "end": { "local": "2039-12-20T12:24:06+08:00", "utc": "2039-12-20T04:24:06Z", "ms": 2207967845869.9297 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-12-21", "window": { "start": { "local": "2039-12-21T11:36:36+08:00", "utc": "2039-12-21T03:36:36Z", "ms": 2208051395891.2207 }, "end": { "local": "2039-12-21T12:24:36+08:00", "utc": "2039-12-21T04:24:36Z", "ms": 2208054275891.2207 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:36 on Tue 20 Dec to 06:59 on Wed 21 Dec.", "fact": "2039-12-20T00:35:31Z → 2039-12-20T22:58:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 20th, 11:37–12:25 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10835 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Fuzhou, 2039: Tuesday 20 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-12-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī 2039 falls on Tuesday 20 December. Ṣaṣṭhī runs from 08:36 on Tue 20 Dec to 06:59 on Wed 21 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16663, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2039-12-21T06:58:53+08:00", "utc": "2039-12-20T22:58:53Z", "ms": 2208034732615.3994 }, "end": { "local": "2039-12-22T06:08:45+08:00", "utc": "2039-12-21T22:08:45Z", "ms": 2208118124622.346 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-12-21T06:58:53+08:00", "utc": "2039-12-20T22:58:53Z", "ms": 2208034732615.3994 }, "end": { "local": "2039-12-22T06:08:45+08:00", "utc": "2039-12-21T22:08:45Z", "ms": 2208118124622.346 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-12-21", "window": { "start": { "local": "2039-12-21T11:36:36+08:00", "utc": "2039-12-21T03:36:36Z", "ms": 2208051395891.2207 }, "end": { "local": "2039-12-21T12:24:36+08:00", "utc": "2039-12-21T04:24:36Z", "ms": 2208054275891.2207 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-12-22", "window": { "start": { "local": "2039-12-22T11:37:06+08:00", "utc": "2039-12-22T03:37:06Z", "ms": 2208137825957.0312 }, "end": { "local": "2039-12-22T12:25:06+08:00", "utc": "2039-12-22T04:25:06Z", "ms": 2208140705957.0312 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:59 on Wed 21 Dec to 06:09 on Thu 22 Dec.", "fact": "2039-12-20T22:58:53Z → 2039-12-21T22:08:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 21st, 11:37–12:25 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16663 s" }, { "step": "ruling", "text": "Mitra Saptamī, Fuzhou, 2039: Wednesday 21 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2039-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-12-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Mitra Saptamī 2039 falls on Wednesday 21 December. Saptamī runs from 06:59 on Wed 21 Dec to 06:09 on Thu 22 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/ekadashi?on=2039-12-26", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5272, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2039-12-25T08:15:21+08:00", "utc": "2039-12-25T00:15:21Z", "ms": 2208384921494.773 }, "end": { "local": "2039-12-26T10:13:32+08:00", "utc": "2039-12-26T02:13:32Z", "ms": 2208478411935.3306 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-12-25T08:15:21+08:00", "utc": "2039-12-25T00:15:21Z", "ms": 2208384921494.773 }, "end": { "local": "2039-12-26T10:13:32+08:00", "utc": "2039-12-26T02:13:32Z", "ms": 2208478411935.3306 } }, "kaala": "sunrise", "days": [ { "local_date": "2039-12-25", "window": { "start": { "local": "2039-12-25T06:47:29+08:00", "utc": "2039-12-24T22:47:29Z", "ms": 2208379649230.4175 }, "end": { "local": "2039-12-25T06:47:29+08:00", "utc": "2039-12-24T22:47:29Z", "ms": 2208379649230.4175 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2039-12-26", "window": { "start": { "local": "2039-12-26T06:47:55+08:00", "utc": "2039-12-25T22:47:55Z", "ms": 2208466075149.8286 }, "end": { "local": "2039-12-26T06:47:55+08:00", "utc": "2039-12-25T22:47:55Z", "ms": 2208466075149.8286 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:15 on Sun 25 Dec to 10:14 on Mon 26 Dec.", "fact": "2039-12-25T00:15:21Z → 2039-12-26T02:13:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 25th and 06:48 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 5272 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Fuzhou, 2039: Monday 26 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": "2039-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-12-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Mokṣadā Ekādaśī 2039 falls on Monday 26 December. Ekādaśī runs from 08:15 on Sun 25 Dec to 10:14 on Mon 26 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2039/ekadashi?on=2039-12-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 496, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2039-12-26T10:13:32+08:00", "utc": "2039-12-26T02:13:32Z", "ms": 2208478411935.3306 }, "end": { "local": "2039-12-27T12:35:51+08:00", "utc": "2039-12-27T04:35:51Z", "ms": 2208573351351.357 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-12-26T10:13:32+08:00", "utc": "2039-12-26T02:13:32Z", "ms": 2208478411935.3306 }, "end": { "local": "2039-12-27T12:35:51+08:00", "utc": "2039-12-27T04:35:51Z", "ms": 2208573351351.357 } }, "kaala": "madhyahna", "days": [ { "local_date": "2039-12-26", "window": { "start": { "local": "2039-12-26T11:39:06+08:00", "utc": "2039-12-26T03:39:06Z", "ms": 2208483545990.1816 }, "end": { "local": "2039-12-26T12:27:06+08:00", "utc": "2039-12-26T04:27:06Z", "ms": 2208486425990.1816 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2039-12-27", "window": { "start": { "local": "2039-12-27T11:39:36+08:00", "utc": "2039-12-27T03:39:36Z", "ms": 2208569975778.4487 }, "end": { "local": "2039-12-27T12:27:36+08:00", "utc": "2039-12-27T04:27:36Z", "ms": 2208572855778.4487 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 10:14 on Mon 26 Dec to 12:36 on Tue 27 Dec.", "fact": "2039-12-26T02:13:32Z → 2039-12-27T04:35:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 26th, 11:40–12:28 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 48 of 48 on the 27th.", "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 496 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Fuzhou, 2039: Tuesday 27 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": "2039-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-12-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Akhaṇḍa Dvādaśī 2039 falls on Tuesday 27 December. Dvādaśī runs from 10:14 on Mon 26 Dec to 12:36 on Tue 27 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/fuzhou/festivals/2039/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": "/fuzhou/festivals/2039/pradosha-vrata?on=2039-12-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7592, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2039-12-27T12:35:51+08:00", "utc": "2039-12-27T04:35:51Z", "ms": 2208573351351.357 }, "end": { "local": "2039-12-28T15:12:55+08:00", "utc": "2039-12-28T07:12:55Z", "ms": 2208669175403.926 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-12-27T12:35:51+08:00", "utc": "2039-12-27T04:35:51Z", "ms": 2208573351351.357 }, "end": { "local": "2039-12-28T15:12:55+08:00", "utc": "2039-12-28T07:12:55Z", "ms": 2208669175403.926 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-12-27", "window": { "start": { "local": "2039-12-27T17:18:52+08:00", "utc": "2039-12-27T09:18:52Z", "ms": 2208590331696.253 }, "end": { "local": "2039-12-27T19:06:51+08:00", "utc": "2039-12-27T11:06:51Z", "ms": 2208596810581.626 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2039-12-28", "window": { "start": { "local": "2039-12-28T17:19:27+08:00", "utc": "2039-12-28T09:19:27Z", "ms": 2208676767495.0435 }, "end": { "local": "2039-12-28T19:07:25+08:00", "utc": "2039-12-28T11:07:25Z", "ms": 2208683244569.395 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:36 on Tue 27 Dec to 15:13 on Wed 28 Dec.", "fact": "2039-12-27T04:35:51Z → 2039-12-28T07:12:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–19:07 on the 27th, 17:19–19:07 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 108 of 108 minutes on the 27th and 0 of 108 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 7592 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2039: Tuesday 27 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": "2039-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-12-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2039 falls on Tuesday 27 December. Trayodaśī runs from 12:36 on Tue 27 Dec to 15:13 on Wed 28 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2039/pradosha-vrata?on=2039-12-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2039/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "1810821", "year": 2039, "local_date": "2039-12-30", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2159, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2039-12-29T17:56:03+08:00", "utc": "2039-12-29T09:56:03Z", "ms": 2208765363053.1665 }, "end": { "local": "2039-12-30T20:37:47+08:00", "utc": "2039-12-30T12:37:47Z", "ms": 2208861467448.5864 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2039-12-29T17:56:03+08:00", "utc": "2039-12-29T09:56:03Z", "ms": 2208765363053.1665 }, "end": { "local": "2039-12-30T20:37:47+08:00", "utc": "2039-12-30T12:37:47Z", "ms": 2208861467448.5864 } }, "kaala": "pradosha", "days": [ { "local_date": "2039-12-29", "window": { "start": { "local": "2039-12-29T17:20:04+08:00", "utc": "2039-12-29T09:20:04Z", "ms": 2208763204190.8022 }, "end": { "local": "2039-12-29T19:07:59+08:00", "utc": "2039-12-29T11:07:59Z", "ms": 2208769679163.438 } }, "covered_min": 72, "window_min": 108, "qualifies": true }, { "local_date": "2039-12-30", "window": { "start": { "local": "2039-12-30T17:20:42+08:00", "utc": "2039-12-30T09:20:42Z", "ms": 2208849641747.128 }, "end": { "local": "2039-12-30T19:08:34+08:00", "utc": "2039-12-30T11:08:34Z", "ms": 2208856114329.2593 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:56 on Thu 29 Dec to 20:38 on Fri 30 Dec.", "fact": "2039-12-29T09:56:03Z → 2039-12-30T12:37:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:20–19:08 on the 29th, 17:21–19:09 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 72 of 108 minutes on the 29th and 108 of 108 on the 30th.", "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 2159 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Fuzhou, 2039: Friday 30 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": "2039-12-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2039-12-30", "confidence": "boundary" } ], "quote": "In Fuzhou, Dattātreyotpatti (Datta Jayanti) 2039 falls on Friday 30 December. Pūrṇimā runs from 17:56 on Thu 29 Dec to 20:38 on Fri 30 Dec and covers all of pradoṣa that evening. It also reaches the previous evening for 72 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/fuzhou/festivals/2039/dattatreyotpatti", "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" } }