{ "id": "/fuzhou/festivals/2066", "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": 2066, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/fuzhou/festivals/2066/ekadashi?on=2066-01-07", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14910, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-01-06T10:59:56+08:00", "utc": "2066-01-06T02:59:56Z", "ms": 3029972395660.7197 }, "end": { "local": "2066-01-07T13:36:56+08:00", "utc": "2066-01-07T05:36:56Z", "ms": 3030068215869.4956 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-01-06T10:59:56+08:00", "utc": "2066-01-06T02:59:56Z", "ms": 3029972395660.7197 }, "end": { "local": "2066-01-07T13:36:56+08:00", "utc": "2066-01-07T05:36:56Z", "ms": 3030068215869.4956 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-01-06", "window": { "start": { "local": "2066-01-06T06:51:26+08:00", "utc": "2066-01-05T22:51:26Z", "ms": 3029957485631.0107 }, "end": { "local": "2066-01-06T06:51:26+08:00", "utc": "2066-01-05T22:51:26Z", "ms": 3029957485631.0107 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-01-07", "window": { "start": { "local": "2066-01-07T06:51:35+08:00", "utc": "2066-01-06T22:51:35Z", "ms": 3030043894548.8926 }, "end": { "local": "2066-01-07T06:51:35+08:00", "utc": "2066-01-06T22:51:35Z", "ms": 3030043894548.8926 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:00 on Wed 6 Jan to 13:37 on Thu 7 Jan.", "fact": "2066-01-06T02:59:56Z → 2066-01-07T05:36:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 6th and 06:52 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is 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 14910 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Fuzhou, 2066: Thursday 7 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": "2066-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Putradā Ekādaśī 2066 falls on Thursday 7 January. Ekādaśī runs from 11:00 on Wed 6 Jan to 13:37 on Thu 7 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-01-07", "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/2066/pradosha-vrata?on=2066-01-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-08", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1484, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-01-08T16:17:10+08:00", "utc": "2066-01-08T08:17:10Z", "ms": 3030164229867.2554 }, "end": { "local": "2066-01-09T18:50:37+08:00", "utc": "2066-01-09T10:50:37Z", "ms": 3030259836649.455 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-01-08T16:17:10+08:00", "utc": "2066-01-08T08:17:10Z", "ms": 3030164229867.2554 }, "end": { "local": "2066-01-09T18:50:37+08:00", "utc": "2066-01-09T10:50:37Z", "ms": 3030259836649.455 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-01-08", "window": { "start": { "local": "2066-01-08T17:27:27+08:00", "utc": "2066-01-08T09:27:27Z", "ms": 3030168447008.561 }, "end": { "local": "2066-01-08T19:14:42+08:00", "utc": "2066-01-08T11:14:42Z", "ms": 3030174881799.9326 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "2066-01-09", "window": { "start": { "local": "2066-01-09T17:28:11+08:00", "utc": "2066-01-09T09:28:11Z", "ms": 3030254891273.46 }, "end": { "local": "2066-01-09T19:15:21+08:00", "utc": "2066-01-09T11:15:21Z", "ms": 3030261320757.6855 } }, "covered_min": 82, "window_min": 107, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:17 on Fri 8 Jan to 18:51 on Sat 9 Jan.", "fact": "2066-01-08T08:17:10Z → 2066-01-09T10:50:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:27–19:15 on the 8th, 17:28–19:15 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 8th and 82 of 107 on the 9th.", "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 1484 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2066: Friday 8 January.", "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": "2066-01-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-08", "confidence": "boundary" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2066 falls on Friday 8 January. Trayodaśī runs from 16:17 on Fri 8 Jan to 18:51 on Sat 9 Jan 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.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-01-08", "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/2066/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22461, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2066-01-14T23:46:18+08:00", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-02-13T12:46:49+08:00", "utc": "2066-02-13T04:46:49Z", "ms": 3033262009077.013 } }, "span": { "of": "transit", "start": { "local": "2066-01-14T23:46:18+08:00", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-01-14T23:46:18+08:00", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 } }, "kaala": "sunset-day", "days": [ { "local_date": "2066-01-14", "window": { "start": { "local": "2066-01-13T17:31:12+08:00", "utc": "2066-01-13T09:31:12Z", "ms": 3030600671785.714 }, "end": { "local": "2066-01-14T17:31:58+08:00", "utc": "2066-01-14T09:31:58Z", "ms": 3030687117603.2793 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2066-01-15", "window": { "start": { "local": "2066-01-14T17:31:58+08:00", "utc": "2066-01-14T09:31:58Z", "ms": 3030687117603.2793 }, "end": { "local": "2066-01-15T17:32:44+08:00", "utc": "2066-01-15T09:32:44Z", "ms": 3030773563630.142 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2066-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:46 on Thu 14 Jan.", "fact": "2066-01-14T15:46:18Z · 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 17:33.", "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 22461 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Friday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Fuzhou, 2066: Thursday 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": "2066-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2066-01-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2066-01-13", "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 2066 falls on Thursday 14 January. It is kept the day before Pongal, which falls on Friday 15 January. The Sun enters Makara at 23:46 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 822, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2066-01-14T23:46:18+08:00", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-02-13T12:46:49+08:00", "utc": "2066-02-13T04:46:49Z", "ms": 3033262009077.013 } }, "span": { "of": "transit", "start": { "local": "2066-01-14T23:46:18+08:00", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-01-14T23:46:18+08:00", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 } }, "kaala": "civil-day", "days": [ { "local_date": "2066-01-14", "window": { "start": { "local": "2066-01-14T00:00:00+08:00", "utc": "2066-01-13T16:00:00Z", "ms": 3030624000000 }, "end": { "local": "2066-01-15T00:00:00+08:00", "utc": "2066-01-14T16:00:00Z", "ms": 3030710400000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2066-01-15", "window": { "start": { "local": "2066-01-15T00:00:00+08:00", "utc": "2066-01-14T16:00:00Z", "ms": 3030710400000 }, "end": { "local": "2066-01-16T00:00:00+08:00", "utc": "2066-01-15T16:00:00Z", "ms": 3030796800000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:46 on Thu 14 Jan.", "fact": "2066-01-14T15:46:18Z · 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 14th, not the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 822 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Fuzhou, 2066: Thursday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2066-01-14", "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": "2066-01-15", "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 2066 falls on Thursday 14 January. The Sun enters Makara at 23:46 on Thu 14 Jan, and the rule counts the day from midnight. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 15 January.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22461, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2066-01-14T23:46:18+08:00", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-02-13T12:46:49+08:00", "utc": "2066-02-13T04:46:49Z", "ms": 3033262009077.013 } }, "span": { "of": "transit", "start": { "local": "2066-01-14T23:46:18+08:00", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-01-14T23:46:18+08:00", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 } }, "kaala": "sunset-day", "days": [ { "local_date": "2066-01-14", "window": { "start": { "local": "2066-01-13T17:31:12+08:00", "utc": "2066-01-13T09:31:12Z", "ms": 3030600671785.714 }, "end": { "local": "2066-01-14T17:31:58+08:00", "utc": "2066-01-14T09:31:58Z", "ms": 3030687117603.2793 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2066-01-15", "window": { "start": { "local": "2066-01-14T17:31:58+08:00", "utc": "2066-01-14T09:31:58Z", "ms": 3030687117603.2793 }, "end": { "local": "2066-01-15T17:32:44+08:00", "utc": "2066-01-15T09:32:44Z", "ms": 3030773563630.142 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:46 on Thu 14 Jan.", "fact": "2066-01-14T15:46:18Z · 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 17:33.", "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 22461 s" }, { "step": "ruling", "text": "Pongal, Fuzhou, 2066: Friday 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": "2066-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2066-01-14", "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": "2066-01-14", "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 2066 falls on Friday 15 January. The Sun enters Makara at 23:46 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/sankashta-chaturthi?on=2066-01-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20807, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-01-15T02:32:46+08:00", "utc": "2066-01-14T18:32:46Z", "ms": 3030719566423.7407 }, "end": { "local": "2066-01-16T02:46:01+08:00", "utc": "2066-01-15T18:46:01Z", "ms": 3030806761423.198 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-15T02:32:46+08:00", "utc": "2066-01-14T18:32:46Z", "ms": 3030719566423.7407 }, "end": { "local": "2066-01-16T02:46:01+08:00", "utc": "2066-01-15T18:46:01Z", "ms": 3030806761423.198 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-01-14", "window": { "start": { "local": "2066-01-14T20:03:25+08:00", "utc": "2066-01-14T12:03:25Z", "ms": 3030696205002.0083 }, "end": { "local": "2066-01-14T20:03:25+08:00", "utc": "2066-01-14T12:03:25Z", "ms": 3030696205002.0083 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-01-15", "window": { "start": { "local": "2066-01-15T20:59:14+08:00", "utc": "2066-01-15T12:59:14Z", "ms": 3030785954196.8706 }, "end": { "local": "2066-01-15T20:59:14+08:00", "utc": "2066-01-15T12:59:14Z", "ms": 3030785954196.8706 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:33 on Fri 15 Jan to 02:46 on Sat 16 Jan.", "fact": "2066-01-14T18:32:46Z → 2066-01-15T18:46:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:03 on the 14th and 20:59 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20807 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2066: Friday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2066 falls on Friday 15 January. Caturthī runs from 02:33 on Fri 15 Jan to 02:46 on Sat 16 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/sankashta-chaturthi?on=2066-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22461, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2066-01-14T23:46:18+08:00", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-02-13T12:46:49+08:00", "utc": "2066-02-13T04:46:49Z", "ms": 3033262009077.013 } }, "span": { "of": "transit", "start": { "local": "2066-01-14T23:46:18+08:00", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-01-14T23:46:18+08:00", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 } }, "kaala": "sunset-day", "days": [ { "local_date": "2066-01-14", "window": { "start": { "local": "2066-01-13T17:31:12+08:00", "utc": "2066-01-13T09:31:12Z", "ms": 3030600671785.714 }, "end": { "local": "2066-01-14T17:31:58+08:00", "utc": "2066-01-14T09:31:58Z", "ms": 3030687117603.2793 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2066-01-15", "window": { "start": { "local": "2066-01-14T17:31:58+08:00", "utc": "2066-01-14T09:31:58Z", "ms": 3030687117603.2793 }, "end": { "local": "2066-01-15T17:32:44+08:00", "utc": "2066-01-15T09:32:44Z", "ms": 3030773563630.142 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2066-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:46 on Thu 14 Jan.", "fact": "2066-01-14T15:46:18Z · 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 17:33.", "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 22461 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Friday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Fuzhou, 2066: Saturday 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": "2066-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2066-01-15", "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": "2066-01-15", "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 2066 falls on Saturday 16 January. It is kept the day after Pongal, which falls on Friday 15 January. The Sun enters Makara at 23:46 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 15 January.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-01-22", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32027, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-01-21T18:26:46+08:00", "utc": "2066-01-21T10:26:46Z", "ms": 3031295205933.834 }, "end": { "local": "2066-01-22T15:44:36+08:00", "utc": "2066-01-22T07:44:36Z", "ms": 3031371876257.4385 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-21T18:26:46+08:00", "utc": "2066-01-21T10:26:46Z", "ms": 3031295205933.834 }, "end": { "local": "2066-01-22T15:44:36+08:00", "utc": "2066-01-22T07:44:36Z", "ms": 3031371876257.4385 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-01-21", "window": { "start": { "local": "2066-01-21T06:51:02+08:00", "utc": "2066-01-20T22:51:02Z", "ms": 3031253462431.7715 }, "end": { "local": "2066-01-21T06:51:02+08:00", "utc": "2066-01-20T22:51:02Z", "ms": 3031253462431.7715 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-01-22", "window": { "start": { "local": "2066-01-22T06:50:49+08:00", "utc": "2066-01-21T22:50:49Z", "ms": 3031339848951.3125 }, "end": { "local": "2066-01-22T06:50:49+08:00", "utc": "2066-01-21T22:50:49Z", "ms": 3031339848951.3125 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:27 on Thu 21 Jan to 15:45 on Fri 22 Jan.", "fact": "2066-01-21T10:26:46Z → 2066-01-22T07:44:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 21st and 06:51 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32027 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Fuzhou, 2066: Friday 22 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": "2066-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṣaṭtilā Ekādaśī 2066 falls on Friday 22 January. Ekādaśī runs from 18:27 on Thu 21 Jan to 15:45 on Fri 22 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-01-22", "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/2066/pradosha-vrata?on=2066-01-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17264, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-01-23T12:51:12+08:00", "utc": "2066-01-23T04:51:12Z", "ms": 3031447871825.181 }, "end": { "local": "2066-01-24T09:53:16+08:00", "utc": "2066-01-24T01:53:16Z", "ms": 3031523596214.6313 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-23T12:51:12+08:00", "utc": "2066-01-23T04:51:12Z", "ms": 3031447871825.181 }, "end": { "local": "2066-01-24T09:53:16+08:00", "utc": "2066-01-24T01:53:16Z", "ms": 3031523596214.6313 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-01-23", "window": { "start": { "local": "2066-01-23T17:38:56+08:00", "utc": "2066-01-23T09:38:56Z", "ms": 3031465135559.1416 }, "end": { "local": "2066-01-23T19:24:26+08:00", "utc": "2066-01-23T11:24:26Z", "ms": 3031471466498.0654 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2066-01-24", "window": { "start": { "local": "2066-01-24T17:39:42+08:00", "utc": "2066-01-24T09:39:42Z", "ms": 3031551582029.1807 }, "end": { "local": "2066-01-24T19:25:04+08:00", "utc": "2066-01-24T11:25:04Z", "ms": 3031557904391.2915 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:51 on Sat 23 Jan to 09:53 on Sun 24 Jan.", "fact": "2066-01-23T04:51:12Z → 2066-01-24T01:53:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:39–19:24 on the 23rd, 17:40–19:25 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 23rd and 0 of 105 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17264 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2066: Saturday 23 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": "2066-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2066 falls on Saturday 23 January. Trayodaśī runs from 12:51 on Sat 23 Jan to 09:53 on Sun 24 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-01-23", "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/2066/shivaratri?on=2066-01-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22774, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-01-24T09:53:16+08:00", "utc": "2066-01-24T01:53:16Z", "ms": 3031523596214.6313 }, "end": { "local": "2066-01-25T06:58:25+08:00", "utc": "2066-01-24T22:58:25Z", "ms": 3031599505193.728 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-24T09:53:16+08:00", "utc": "2066-01-24T01:53:16Z", "ms": 3031523596214.6313 }, "end": { "local": "2066-01-25T06:58:25+08:00", "utc": "2066-01-24T22:58:25Z", "ms": 3031599505193.728 } }, "kaala": "nishita", "days": [ { "local_date": "2066-01-23", "window": { "start": { "local": "2066-01-23T23:50:37+08:00", "utc": "2066-01-23T15:50:37Z", "ms": 3031487436580.1055 }, "end": { "local": "2066-01-24T00:38:37+08:00", "utc": "2066-01-23T16:38:37Z", "ms": 3031490316580.1055 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-01-24", "window": { "start": { "local": "2066-01-24T23:50:51+08:00", "utc": "2066-01-24T15:50:51Z", "ms": 3031573850887.0967 }, "end": { "local": "2066-01-25T00:38:51+08:00", "utc": "2066-01-24T16:38:51Z", "ms": 3031576730887.0967 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:53 on Sun 24 Jan to 06:58 on Mon 25 Jan.", "fact": "2066-01-24T01:53:16Z → 2066-01-24T22:58:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:51–00:39 on the 23rd, 23:51–00:39 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22774 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2066: Sunday 24 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2066 falls on Sunday 24 January. Caturdaśī runs from 09:53 on Sun 24 Jan to 06:58 on Mon 25 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/shivaratri?on=2066-01-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 505, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-01-24T09:53:16+08:00", "utc": "2066-01-24T01:53:16Z", "ms": 3031523596214.6313 }, "end": { "local": "2066-01-25T06:58:25+08:00", "utc": "2066-01-24T22:58:25Z", "ms": 3031599505193.728 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-24T09:53:16+08:00", "utc": "2066-01-24T01:53:16Z", "ms": 3031523596214.6313 }, "end": { "local": "2066-01-25T06:58:25+08:00", "utc": "2066-01-24T22:58:25Z", "ms": 3031599505193.728 } }, "kaala": "arunodaya", "days": [ { "local_date": "2066-01-24", "window": { "start": { "local": "2066-01-24T05:04:47+08:00", "utc": "2066-01-23T21:04:47Z", "ms": 3031506286662.146 }, "end": { "local": "2066-01-24T06:50:18+08:00", "utc": "2066-01-23T22:50:18Z", "ms": 3031512617601.07 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2066-01-25", "window": { "start": { "local": "2066-01-25T05:04:37+08:00", "utc": "2066-01-24T21:04:37Z", "ms": 3031592677382.9014 }, "end": { "local": "2066-01-25T06:50:00+08:00", "utc": "2066-01-24T22:50:00Z", "ms": 3031598999745.012 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:53 on Sun 24 Jan to 06:58 on Mon 25 Jan.", "fact": "2066-01-24T01:53:16Z → 2066-01-24T22:58:25Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:05–06:50 on the 24th, 05:05–06:50 on the 25th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 106 minutes on the 24th and 105 of 105 on the 25th.", "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 505 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Fuzhou, 2066: Monday 25 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": "2066-01-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Tarpaṇa 2066 falls on Monday 25 January. Caturdaśī runs from 09:53 on Sun 24 Jan to 06:58 on Mon 25 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33579, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-01-28T22:36:36+08:00", "utc": "2066-01-28T14:36:36Z", "ms": 3031914996145.553 }, "end": { "local": "2066-01-29T21:59:42+08:00", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-28T22:36:36+08:00", "utc": "2066-01-28T14:36:36Z", "ms": 3031914996145.553 }, "end": { "local": "2066-01-29T21:59:42+08:00", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-01-28", "window": { "start": { "local": "2066-01-28T11:51:52+08:00", "utc": "2066-01-28T03:51:52Z", "ms": 3031876311990.5796 }, "end": { "local": "2066-01-28T12:39:52+08:00", "utc": "2066-01-28T04:39:52Z", "ms": 3031879191990.5796 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-01-29", "window": { "start": { "local": "2066-01-29T11:52:03+08:00", "utc": "2066-01-29T03:52:03Z", "ms": 3031962722993.8555 }, "end": { "local": "2066-01-29T12:40:03+08:00", "utc": "2066-01-29T04:40:03Z", "ms": 3031965602993.8555 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:37 on Thu 28 Jan to 22:00 on Fri 29 Jan.", "fact": "2066-01-28T14:36:36Z → 2066-01-29T13:59:42Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33579 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Fuzhou, 2066: Friday 29 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": "2066-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2066 falls on Friday 29 January. Caturthī runs from 22:37 on Thu 28 Jan to 22:00 on Fri 29 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9093, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-01-28T22:36:36+08:00", "utc": "2066-01-28T14:36:36Z", "ms": 3031914996145.553 }, "end": { "local": "2066-01-29T21:59:42+08:00", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-28T22:36:36+08:00", "utc": "2066-01-28T14:36:36Z", "ms": 3031914996145.553 }, "end": { "local": "2066-01-29T21:59:42+08:00", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-01-28", "window": { "start": { "local": "2066-01-28T17:42:46+08:00", "utc": "2066-01-28T09:42:46Z", "ms": 3031897366436.438 }, "end": { "local": "2066-01-28T19:27:33+08:00", "utc": "2066-01-28T11:27:33Z", "ms": 3031903652773.7324 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2066-01-29", "window": { "start": { "local": "2066-01-29T17:43:32+08:00", "utc": "2066-01-29T09:43:32Z", "ms": 3031983812021.564 }, "end": { "local": "2066-01-29T19:28:09+08:00", "utc": "2066-01-29T11:28:09Z", "ms": 3031990088950.082 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:37 on Thu 28 Jan to 22:00 on Fri 29 Jan.", "fact": "2066-01-28T14:36:36Z → 2066-01-29T13:59:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:43–19:28 on the 28th, 17:44–19:28 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 105 minutes on the 28th and 105 of 105 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9093 s" }, { "step": "ruling", "text": "Tila Caturthī, Fuzhou, 2066: Friday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Tila Caturthī 2066 falls on Friday 29 January. Caturthī runs from 22:37 on Thu 28 Jan to 22:00 on Fri 29 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33579, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-01-29T21:59:42+08:00", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 }, "end": { "local": "2066-01-30T22:08:55+08:00", "utc": "2066-01-30T14:08:55Z", "ms": 3032086135304.1084 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-29T21:59:42+08:00", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 }, "end": { "local": "2066-01-30T22:08:55+08:00", "utc": "2066-01-30T14:08:55Z", "ms": 3032086135304.1084 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-01-29", "window": { "start": { "local": "2066-01-29T11:52:03+08:00", "utc": "2066-01-29T03:52:03Z", "ms": 3031962722993.8555 }, "end": { "local": "2066-01-29T12:40:03+08:00", "utc": "2066-01-29T04:40:03Z", "ms": 3031965602993.8555 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-01-30", "window": { "start": { "local": "2066-01-30T11:52:13+08:00", "utc": "2066-01-30T03:52:13Z", "ms": 3032049133166.759 }, "end": { "local": "2066-01-30T12:40:13+08:00", "utc": "2066-01-30T04:40:13Z", "ms": 3032052013166.759 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:00 on Fri 29 Jan to 22:09 on Sat 30 Jan.", "fact": "2066-01-29T13:59:42Z → 2066-01-30T14:08:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 29th, 11:52–12:40 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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33579 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Fuzhou, 2066: Saturday 30 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": "2066-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Pañcamī 2066 falls on Saturday 30 January. Pañcamī runs from 22:00 on Fri 29 Jan to 22:09 on Sat 30 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33579, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-01-29T21:59:42+08:00", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 }, "end": { "local": "2066-01-30T22:08:55+08:00", "utc": "2066-01-30T14:08:55Z", "ms": 3032086135304.1084 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-29T21:59:42+08:00", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 }, "end": { "local": "2066-01-30T22:08:55+08:00", "utc": "2066-01-30T14:08:55Z", "ms": 3032086135304.1084 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-01-29", "window": { "start": { "local": "2066-01-29T11:52:03+08:00", "utc": "2066-01-29T03:52:03Z", "ms": 3031962722993.8555 }, "end": { "local": "2066-01-29T12:40:03+08:00", "utc": "2066-01-29T04:40:03Z", "ms": 3031965602993.8555 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-01-30", "window": { "start": { "local": "2066-01-30T11:52:13+08:00", "utc": "2066-01-30T03:52:13Z", "ms": 3032049133166.759 }, "end": { "local": "2066-01-30T12:40:13+08:00", "utc": "2066-01-30T04:40:13Z", "ms": 3032052013166.759 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:00 on Fri 29 Jan to 22:09 on Sat 30 Jan.", "fact": "2066-01-29T13:59:42Z → 2066-01-30T14:08:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 29th, 11:52–12:40 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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33579 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Fuzhou, 2066: Saturday 30 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": "2066-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Vasanta Pañcamī 2066 falls on Saturday 30 January. Pañcamī runs from 22:00 on Fri 29 Jan to 22:09 on Sat 30 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15605, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-01-31T23:04:33+08:00", "utc": "2066-01-31T15:04:33Z", "ms": 3032175873356.4805 }, "end": { "local": "2066-02-02T00:42:33+08:00", "utc": "2066-02-01T16:42:33Z", "ms": 3032268152799.925 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-31T23:04:33+08:00", "utc": "2066-01-31T15:04:33Z", "ms": 3032175873356.4805 }, "end": { "local": "2066-02-02T00:42:33+08:00", "utc": "2066-02-01T16:42:33Z", "ms": 3032268152799.925 } }, "kaala": "arunodaya", "days": [ { "local_date": "2066-02-01", "window": { "start": { "local": "2066-02-01T05:02:57+08:00", "utc": "2066-01-31T21:02:57Z", "ms": 3032197377214.6597 }, "end": { "local": "2066-02-01T06:47:15+08:00", "utc": "2066-01-31T22:47:15Z", "ms": 3032203634879.3994 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "2066-02-02", "window": { "start": { "local": "2066-02-02T05:02:38+08:00", "utc": "2066-02-01T21:02:38Z", "ms": 3032283757968.798 }, "end": { "local": "2066-02-02T06:46:46+08:00", "utc": "2066-02-01T22:46:46Z", "ms": 3032290005788.7856 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:05 on Sun 31 Jan to 00:43 on Tue 2 Feb.", "fact": "2066-01-31T15:04:33Z → 2066-02-01T16:42:33Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:03–06:47 on the 1st, 05:03–06:47 on the 2nd.", "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 104 of 104 minutes on the 1st and 0 of 104 on the 2nd.", "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 15605 s" }, { "step": "ruling", "text": "Ratha Saptamī, Fuzhou, 2066: Monday 1 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Ratha Saptamī 2066 falls on Monday 1 February. Saptamī runs from 23:05 on Sun 31 Jan to 00:43 on Tue 2 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-02-06", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4954, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-02-05T08:07:45+08:00", "utc": "2066-02-05T00:07:45Z", "ms": 3032554065036.5103 }, "end": { "local": "2066-02-06T10:40:36+08:00", "utc": "2066-02-06T02:40:36Z", "ms": 3032649636440.4907 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-02-05T08:07:45+08:00", "utc": "2066-02-05T00:07:45Z", "ms": 3032554065036.5103 }, "end": { "local": "2066-02-06T10:40:36+08:00", "utc": "2066-02-06T02:40:36Z", "ms": 3032649636440.4907 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-02-05", "window": { "start": { "local": "2066-02-05T06:45:11+08:00", "utc": "2066-02-04T22:45:11Z", "ms": 3032549110601.2217 }, "end": { "local": "2066-02-05T06:45:11+08:00", "utc": "2066-02-04T22:45:11Z", "ms": 3032549110601.2217 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-02-06", "window": { "start": { "local": "2066-02-06T06:44:36+08:00", "utc": "2066-02-05T22:44:36Z", "ms": 3032635476304.661 }, "end": { "local": "2066-02-06T06:44:36+08:00", "utc": "2066-02-05T22:44:36Z", "ms": 3032635476304.661 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:08 on Fri 5 Feb to 10:41 on Sat 6 Feb.", "fact": "2066-02-05T00:07:45Z → 2066-02-06T02:40:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:45 on the 5th and 06:45 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 4954 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Fuzhou, 2066: Saturday 6 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": "2066-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Jayā Ekādaśī 2066 falls on Saturday 6 February. Ekādaśī runs from 08:08 on Fri 5 Feb to 10:41 on Sat 6 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-02-06", "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/2066/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 772, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-02-06T10:40:36+08:00", "utc": "2066-02-06T02:40:36Z", "ms": 3032649636440.4907 }, "end": { "local": "2066-02-07T12:53:57+08:00", "utc": "2066-02-07T04:53:57Z", "ms": 3032744037053.84 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-02-06T10:40:36+08:00", "utc": "2066-02-06T02:40:36Z", "ms": 3032649636440.4907 }, "end": { "local": "2066-02-07T12:53:57+08:00", "utc": "2066-02-07T04:53:57Z", "ms": 3032744037053.84 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-02-06", "window": { "start": { "local": "2066-02-06T11:53:01+08:00", "utc": "2066-02-06T03:53:01Z", "ms": 3032653981043.713 }, "end": { "local": "2066-02-06T12:41:01+08:00", "utc": "2066-02-06T04:41:01Z", "ms": 3032656861043.713 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-02-07", "window": { "start": { "local": "2066-02-07T11:53:05+08:00", "utc": "2066-02-07T03:53:05Z", "ms": 3032740384584.078 }, "end": { "local": "2066-02-07T12:41:05+08:00", "utc": "2066-02-07T04:41:05Z", "ms": 3032743264584.078 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 10:41 on Sat 6 Feb to 12:54 on Sun 7 Feb.", "fact": "2066-02-06T02:40:36Z → 2066-02-07T04:53:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 6th, 11:53–12:41 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 772 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Fuzhou, 2066: Saturday 6 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": "2066-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhīṣma Dvādaśī 2066 falls on Saturday 6 February. Dvādaśī runs from 10:41 on Sat 6 Feb to 12:54 on Sun 7 Feb and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/pradosha-vrata?on=2066-02-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11503, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-02-07T12:53:57+08:00", "utc": "2066-02-07T04:53:57Z", "ms": 3032744037053.84 }, "end": { "local": "2066-02-08T14:39:08+08:00", "utc": "2066-02-08T06:39:08Z", "ms": 3032836747714.828 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-02-07T12:53:57+08:00", "utc": "2066-02-07T04:53:57Z", "ms": 3032744037053.84 }, "end": { "local": "2066-02-08T14:39:08+08:00", "utc": "2066-02-08T06:39:08Z", "ms": 3032836747714.828 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-02-07", "window": { "start": { "local": "2066-02-07T17:50:08+08:00", "utc": "2066-02-07T09:50:08Z", "ms": 3032761808405.897 }, "end": { "local": "2066-02-07T19:33:14+08:00", "utc": "2066-02-07T11:33:14Z", "ms": 3032767994484.839 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2066-02-08", "window": { "start": { "local": "2066-02-08T17:50:51+08:00", "utc": "2066-02-08T09:50:51Z", "ms": 3032848250638.716 }, "end": { "local": "2066-02-08T19:33:46+08:00", "utc": "2066-02-08T11:33:46Z", "ms": 3032854426025.085 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:54 on Sun 7 Feb to 14:39 on Mon 8 Feb.", "fact": "2066-02-07T04:53:57Z → 2066-02-08T06:39:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:33 on the 7th, 17:51–19:34 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 103 of 103 minutes on the 7th and 0 of 103 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 11503 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2066: Sunday 7 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": "2066-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2066 falls on Sunday 7 February. Trayodaśī runs from 12:54 on Sun 7 Feb to 14:39 on Mon 8 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-02-07", "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/2066/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11415, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-02-09T15:51:24+08:00", "utc": "2066-02-09T07:51:24Z", "ms": 3032927483941.0425 }, "end": { "local": "2066-02-10T16:29:33+08:00", "utc": "2066-02-10T08:29:33Z", "ms": 3033016173401.829 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-02-09T15:51:24+08:00", "utc": "2066-02-09T07:51:24Z", "ms": 3032927483941.0425 }, "end": { "local": "2066-02-10T16:29:33+08:00", "utc": "2066-02-10T08:29:33Z", "ms": 3033016173401.829 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-02-09", "window": { "start": { "local": "2066-02-09T11:53:09+08:00", "utc": "2066-02-09T03:53:09Z", "ms": 3032913189255.922 }, "end": { "local": "2066-02-09T12:41:09+08:00", "utc": "2066-02-09T04:41:09Z", "ms": 3032916069255.922 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-02-10", "window": { "start": { "local": "2066-02-10T11:53:10+08:00", "utc": "2066-02-10T03:53:10Z", "ms": 3032999590407.4604 }, "end": { "local": "2066-02-10T12:41:10+08:00", "utc": "2066-02-10T04:41:10Z", "ms": 3033002470407.4604 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:51 on Tue 9 Feb to 16:30 on Wed 10 Feb.", "fact": "2066-02-09T07:51:24Z → 2066-02-10T08:29:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 9th, 11:53–12:41 on the 10th.", "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 9th and 48 of 48 on the 10th.", "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 11415 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Fuzhou, 2066: Wednesday 10 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": "2066-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Māghī Pūrṇimā 2066 falls on Wednesday 10 February. Pūrṇimā runs from 15:51 on Tue 9 Feb to 16:30 on Wed 10 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/sankashta-chaturthi?on=2066-02-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19544, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-02-13T15:22:20+08:00", "utc": "2066-02-13T07:22:20Z", "ms": 3033271340118.2544 }, "end": { "local": "2066-02-14T14:12:26+08:00", "utc": "2066-02-14T06:12:26Z", "ms": 3033353545843.996 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-02-13T15:22:20+08:00", "utc": "2066-02-13T07:22:20Z", "ms": 3033271340118.2544 }, "end": { "local": "2066-02-14T14:12:26+08:00", "utc": "2066-02-14T06:12:26Z", "ms": 3033353545843.996 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-02-13", "window": { "start": { "local": "2066-02-13T20:48:04+08:00", "utc": "2066-02-13T12:48:04Z", "ms": 3033290883661.1133 }, "end": { "local": "2066-02-13T20:48:04+08:00", "utc": "2066-02-13T12:48:04Z", "ms": 3033290883661.1133 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-02-14", "window": { "start": { "local": "2066-02-14T21:48:09+08:00", "utc": "2066-02-14T13:48:09Z", "ms": 3033380889168.967 }, "end": { "local": "2066-02-14T21:48:09+08:00", "utc": "2066-02-14T13:48:09Z", "ms": 3033380889168.967 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:22 on Sat 13 Feb to 14:12 on Sun 14 Feb.", "fact": "2066-02-13T07:22:20Z → 2066-02-14T06:12:26Z" }, { "step": "kaala", "text": "Moonrise is at 20:48 on the 13th and 21:48 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 19544 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2066: Saturday 13 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": "2066-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2066 falls on Saturday 13 February. Caturthī runs from 15:22 on Sat 13 Feb to 14:12 on Sun 14 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/sankashta-chaturthi?on=2066-02-13", "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/2066/ekadashi?on=2066-02-20", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13234, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-02-20T02:54:03+08:00", "utc": "2066-02-19T18:54:03Z", "ms": 3033831243333.922 }, "end": { "local": "2066-02-21T00:40:02+08:00", "utc": "2066-02-20T16:40:02Z", "ms": 3033909602101.8794 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-02-20T02:54:03+08:00", "utc": "2066-02-19T18:54:03Z", "ms": 3033831243333.922 }, "end": { "local": "2066-02-21T00:40:02+08:00", "utc": "2066-02-20T16:40:02Z", "ms": 3033909602101.8794 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-02-20", "window": { "start": { "local": "2066-02-20T06:34:37+08:00", "utc": "2066-02-19T22:34:37Z", "ms": 3033844477048.3237 }, "end": { "local": "2066-02-20T06:34:37+08:00", "utc": "2066-02-19T22:34:37Z", "ms": 3033844477048.3237 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-02-21", "window": { "start": { "local": "2066-02-21T06:33:47+08:00", "utc": "2066-02-20T22:33:47Z", "ms": 3033930826810.21 }, "end": { "local": "2066-02-21T06:33:47+08:00", "utc": "2066-02-20T22:33:47Z", "ms": 3033930826810.21 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:54 on Sat 20 Feb to 00:40 on Sun 21 Feb.", "fact": "2066-02-19T18:54:03Z → 2066-02-20T16:40:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:35 on the 20th and 06:34 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 13234 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Fuzhou, 2066: Saturday 20 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": "2066-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Ekādaśī 2066 falls on Saturday 20 February. Ekādaśī runs from 02:54 on Sat 20 Feb to 00:40 on Sun 21 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-02-20", "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/2066/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-02-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12641, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-02-22T20:21:20+08:00", "utc": "2066-02-22T12:21:20Z", "ms": 3034066880481.043 }, "end": { "local": "2066-02-23T18:27:04+08:00", "utc": "2066-02-23T10:27:04Z", "ms": 3034146424495.6597 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-02-22T20:21:20+08:00", "utc": "2066-02-22T12:21:20Z", "ms": 3034066880481.043 }, "end": { "local": "2066-02-23T18:27:04+08:00", "utc": "2066-02-23T10:27:04Z", "ms": 3034146424495.6597 } }, "kaala": "nishita", "days": [ { "local_date": "2066-02-22", "window": { "start": { "local": "2066-02-22T23:52:02+08:00", "utc": "2066-02-22T15:52:02Z", "ms": 3034079521810.541 }, "end": { "local": "2066-02-23T00:40:02+08:00", "utc": "2066-02-22T16:40:02Z", "ms": 3034082401810.541 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-02-23", "window": { "start": { "local": "2066-02-23T23:51:54+08:00", "utc": "2066-02-23T15:51:54Z", "ms": 3034165913564.07 }, "end": { "local": "2066-02-24T00:39:54+08:00", "utc": "2066-02-23T16:39:54Z", "ms": 3034168793564.07 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:21 on Mon 22 Feb to 18:27 on Tue 23 Feb.", "fact": "2066-02-22T12:21:20Z → 2066-02-23T10:27:04Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 22nd, 23:52–00:40 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 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. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 12641 s" }, { "step": "ruling", "text": "Mahāśivarātri, Fuzhou, 2066: Monday 22 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": "2066-02-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahāśivarātri 2066 falls on Monday 22 February. Caturdaśī runs from 20:21 on Mon 22 Feb to 18:27 on Tue 23 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/pradosha-vrata?on=2066-02-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-02-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2464, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-02-21T22:27:34+08:00", "utc": "2066-02-21T14:27:34Z", "ms": 3033988054323.2837 }, "end": { "local": "2066-02-22T20:21:20+08:00", "utc": "2066-02-22T12:21:20Z", "ms": 3034066880481.043 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-02-21T22:27:34+08:00", "utc": "2066-02-21T14:27:34Z", "ms": 3033988054323.2837 }, "end": { "local": "2066-02-22T20:21:20+08:00", "utc": "2066-02-22T12:21:20Z", "ms": 3034066880481.043 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-02-21", "window": { "start": { "local": "2066-02-21T17:59:23+08:00", "utc": "2066-02-21T09:59:23Z", "ms": 3033971963188.133 }, "end": { "local": "2066-02-21T19:39:52+08:00", "utc": "2066-02-21T11:39:52Z", "ms": 3033977991525.9546 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "2066-02-22", "window": { "start": { "local": "2066-02-22T18:00:00+08:00", "utc": "2066-02-22T10:00:00Z", "ms": 3034058399813.8423 }, "end": { "local": "2066-02-22T19:40:16+08:00", "utc": "2066-02-22T11:40:16Z", "ms": 3034064416346.2954 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:28 on Sun 21 Feb to 20:21 on Mon 22 Feb.", "fact": "2066-02-21T14:27:34Z → 2066-02-22T12:21:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:40 on the 21st, 18:00–19:40 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 21st and 100 of 100 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 2464 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2066: Monday 22 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": "2066-02-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2066 falls on Monday 22 February. Trayodaśī runs from 22:28 on Sun 21 Feb to 20:21 on Mon 22 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-02-22", "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/2066/vinayaka-chaturthi?on=2066-02-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-02-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8620, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-02-27T15:03:23+08:00", "utc": "2066-02-27T07:03:23Z", "ms": 3034479803058.9995 }, "end": { "local": "2066-02-28T15:44:41+08:00", "utc": "2066-02-28T07:44:41Z", "ms": 3034568680878.1006 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-02-27T15:03:23+08:00", "utc": "2066-02-27T07:03:23Z", "ms": 3034479803058.9995 }, "end": { "local": "2066-02-28T15:44:41+08:00", "utc": "2066-02-28T07:44:41Z", "ms": 3034568680878.1006 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-02-27", "window": { "start": { "local": "2066-02-27T11:51:43+08:00", "utc": "2066-02-27T03:51:43Z", "ms": 3034468302644.2617 }, "end": { "local": "2066-02-27T12:39:43+08:00", "utc": "2066-02-27T04:39:43Z", "ms": 3034471182644.2617 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-02-28", "window": { "start": { "local": "2066-02-28T11:51:32+08:00", "utc": "2066-02-28T03:51:32Z", "ms": 3034554691916.826 }, "end": { "local": "2066-02-28T12:39:32+08:00", "utc": "2066-02-28T04:39:32Z", "ms": 3034557571916.826 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:03 on Sat 27 Feb to 15:45 on Sun 28 Feb.", "fact": "2066-02-27T07:03:23Z → 2066-02-28T07:44:41Z" }, { "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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8620 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2066: Sunday 28 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-02-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2066 falls on Sunday 28 February. Caturthī runs from 15:03 on Sat 27 Feb to 15:45 on Sun 28 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/vinayaka-chaturthi?on=2066-02-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/ekadashi?on=2066-03-08", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1358, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-03-07T04:58:32+08:00", "utc": "2066-03-06T20:58:32Z", "ms": 3035134711638.124 }, "end": { "local": "2066-03-08T06:42:23+08:00", "utc": "2066-03-07T22:42:23Z", "ms": 3035227343190.523 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-03-07T04:58:32+08:00", "utc": "2066-03-06T20:58:32Z", "ms": 3035134711638.124 }, "end": { "local": "2066-03-08T06:42:23+08:00", "utc": "2066-03-07T22:42:23Z", "ms": 3035227343190.523 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-03-07", "window": { "start": { "local": "2066-03-07T06:20:45+08:00", "utc": "2066-03-06T22:20:45Z", "ms": 3035139645336.126 }, "end": { "local": "2066-03-07T06:20:45+08:00", "utc": "2066-03-06T22:20:45Z", "ms": 3035139645336.126 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-03-08", "window": { "start": { "local": "2066-03-08T06:19:45+08:00", "utc": "2066-03-07T22:19:45Z", "ms": 3035225984968.528 }, "end": { "local": "2066-03-08T06:19:45+08:00", "utc": "2066-03-07T22:19:45Z", "ms": 3035225984968.528 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:59 on Sun 7 Mar to 06:42 on Mon 8 Mar.", "fact": "2066-03-06T20:58:32Z → 2066-03-07T22:42:23Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 7th and 06:20 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is on the 8th.", "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 1358 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Fuzhou, 2066: Monday 8 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": "2066-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Āmalakī Ekādaśī 2066 falls on Monday 8 March. Ekādaśī runs from 04:59 on Sun 7 Mar to 06:42 on Mon 8 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-03-08", "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/2066/pradosha-vrata?on=2066-03-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36087, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-03-09T07:46:25+08:00", "utc": "2066-03-08T23:46:25Z", "ms": 3035317585217.2256 }, "end": { "local": "2066-03-10T08:07:26+08:00", "utc": "2066-03-10T00:07:26Z", "ms": 3035405246361.2827 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-03-09T07:46:25+08:00", "utc": "2066-03-08T23:46:25Z", "ms": 3035317585217.2256 }, "end": { "local": "2066-03-10T08:07:26+08:00", "utc": "2066-03-10T00:07:26Z", "ms": 3035405246361.2827 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-03-09", "window": { "start": { "local": "2066-03-09T18:08:23+08:00", "utc": "2066-03-09T10:08:23Z", "ms": 3035354902850 }, "end": { "local": "2066-03-09T19:45:38+08:00", "utc": "2066-03-09T11:45:38Z", "ms": 3035360737521.3755 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2066-03-10", "window": { "start": { "local": "2066-03-10T18:08:54+08:00", "utc": "2066-03-10T10:08:54Z", "ms": 3035441333638.418 }, "end": { "local": "2066-03-10T19:45:56+08:00", "utc": "2066-03-10T11:45:56Z", "ms": 3035447155983.756 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:46 on Tue 9 Mar to 08:07 on Wed 10 Mar.", "fact": "2066-03-08T23:46:25Z → 2066-03-10T00:07:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:46 on the 9th, 18:09–19:46 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 9th and 0 of 97 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36087 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2066: Tuesday 9 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": "2066-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2066 falls on Tuesday 9 March. Trayodaśī runs from 07:46 on Tue 9 Mar to 08:07 on Wed 10 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28812, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-03-11T07:46:39+08:00", "utc": "2066-03-10T23:46:39Z", "ms": 3035490399414.009 }, "end": { "local": "2066-03-12T06:48:36+08:00", "utc": "2066-03-11T22:48:36Z", "ms": 3035573316111.7417 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-03-11T07:46:39+08:00", "utc": "2066-03-10T23:46:39Z", "ms": 3035490399414.009 }, "end": { "local": "2066-03-12T06:48:36+08:00", "utc": "2066-03-11T22:48:36Z", "ms": 3035573316111.7417 } }, "kaala": "sayahna", "days": [ { "local_date": "2066-03-11", "window": { "start": { "local": "2066-03-11T15:46:52+08:00", "utc": "2066-03-11T07:46:52Z", "ms": 3035519211568.6226 }, "end": { "local": "2066-03-11T18:09:24+08:00", "utc": "2066-03-11T10:09:24Z", "ms": 3035527764153.6655 } }, "covered_min": 143, "window_min": 143, "qualifies": true }, { "local_date": "2066-03-12", "window": { "start": { "local": "2066-03-12T15:47:03+08:00", "utc": "2066-03-12T07:47:03Z", "ms": 3035605623370.5737 }, "end": { "local": "2066-03-12T18:09:54+08:00", "utc": "2066-03-12T10:09:54Z", "ms": 3035614194412.9214 } }, "covered_min": 0, "window_min": 143, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:47 on Thu 11 Mar to 06:49 on Fri 12 Mar.", "fact": "2066-03-10T23:46:39Z → 2066-03-11T22:48:36Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:47–18:09 on the 11th, 15:47–18:10 on the 12th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 143 of 143 minutes on the 11th and 0 of 143 on the 12th.", "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 28812 s" }, { "step": "ruling", "text": "Holikā Dahana, Fuzhou, 2066: Thursday 11 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": "2066-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Holikā Dahana 2066 falls on Thursday 11 March. Pūrṇimā runs from 07:47 on Thu 11 Mar to 06:49 on Fri 12 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28812, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-03-11T07:46:39+08:00", "utc": "2066-03-10T23:46:39Z", "ms": 3035490399414.009 }, "end": { "local": "2066-03-12T06:48:36+08:00", "utc": "2066-03-11T22:48:36Z", "ms": 3035573316111.7417 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-03-11T07:46:39+08:00", "utc": "2066-03-10T23:46:39Z", "ms": 3035490399414.009 }, "end": { "local": "2066-03-12T06:48:36+08:00", "utc": "2066-03-11T22:48:36Z", "ms": 3035573316111.7417 } }, "kaala": "sayahna", "days": [ { "local_date": "2066-03-11", "window": { "start": { "local": "2066-03-11T15:46:52+08:00", "utc": "2066-03-11T07:46:52Z", "ms": 3035519211568.6226 }, "end": { "local": "2066-03-11T18:09:24+08:00", "utc": "2066-03-11T10:09:24Z", "ms": 3035527764153.6655 } }, "covered_min": 143, "window_min": 143, "qualifies": true }, { "local_date": "2066-03-12", "window": { "start": { "local": "2066-03-12T15:47:03+08:00", "utc": "2066-03-12T07:47:03Z", "ms": 3035605623370.5737 }, "end": { "local": "2066-03-12T18:09:54+08:00", "utc": "2066-03-12T10:09:54Z", "ms": 3035614194412.9214 } }, "covered_min": 0, "window_min": 143, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2066-03-11", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:47 on Thu 11 Mar to 06:49 on Fri 12 Mar.", "fact": "2066-03-10T23:46:39Z → 2066-03-11T22:48:36Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:47–18:09 on the 11th, 15:47–18:10 on the 12th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 143 of 143 minutes on the 11th and 0 of 143 on the 12th.", "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 28812 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Thursday 11 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Fuzhou, 2066: Friday 12 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": "2066-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Holī 2066 falls on Friday 12 March. It is kept the day after Holikā Dahana, which falls on Thursday 11 March. Pūrṇimā runs from 07:47 on Thu 11 Mar to 06:49 on Fri 12 Mar and covers all of sāyāhna on the 11th.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-12", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1977, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-03-12T06:48:36+08:00", "utc": "2066-03-11T22:48:36Z", "ms": 3035573316111.7417 }, "end": { "local": "2066-03-13T05:19:54+08:00", "utc": "2066-03-12T21:19:54Z", "ms": 3035654394486.5493 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-12T06:48:36+08:00", "utc": "2066-03-11T22:48:36Z", "ms": 3035573316111.7417 }, "end": { "local": "2066-03-13T05:19:54+08:00", "utc": "2066-03-12T21:19:54Z", "ms": 3035654394486.5493 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-03-12", "window": { "start": { "local": "2066-03-12T06:15:39+08:00", "utc": "2066-03-11T22:15:39Z", "ms": 3035571339201.1836 }, "end": { "local": "2066-03-12T06:15:39+08:00", "utc": "2066-03-11T22:15:39Z", "ms": 3035571339201.1836 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-03-13", "window": { "start": { "local": "2066-03-13T06:14:37+08:00", "utc": "2066-03-12T22:14:37Z", "ms": 3035657676833.7427 }, "end": { "local": "2066-03-13T06:14:37+08:00", "utc": "2066-03-12T22:14:37Z", "ms": 3035657676833.7427 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:49 on Fri 12 Mar to 05:20 on Sat 13 Mar.", "fact": "2066-03-11T22:48:36Z → 2066-03-12T21:19:54Z" }, { "step": "kaala", "text": "Sunrise is at 06:16 on the 12th and 06:15 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not 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": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: purvaviddha → tithi-day · margin 1977 s" }, { "step": "ruling", "text": "Vasantotsava, Fuzhou, 2066: Friday 12 March.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2066-03-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-12", "confidence": "boundary" } ], "quote": "In Fuzhou, Vasantotsava 2066 falls on Friday 12 March. Pratipadā runs from 06:49 on Fri 12 Mar to 05:20 on Sat 13 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/sankashta-chaturthi?on=2066-03-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4782, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-03-15T01:21:17+08:00", "utc": "2066-03-14T17:21:17Z", "ms": 3035812876966.2183 }, "end": { "local": "2066-03-15T23:06:17+08:00", "utc": "2066-03-15T15:06:17Z", "ms": 3035891177174.4756 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-15T01:21:17+08:00", "utc": "2066-03-14T17:21:17Z", "ms": 3035812876966.2183 }, "end": { "local": "2066-03-15T23:06:17+08:00", "utc": "2066-03-15T15:06:17Z", "ms": 3035891177174.4756 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-03-14", "window": { "start": { "local": "2066-03-14T20:41:22+08:00", "utc": "2066-03-14T12:41:22Z", "ms": 3035796082429.1826 }, "end": { "local": "2066-03-14T20:41:22+08:00", "utc": "2066-03-14T12:41:22Z", "ms": 3035796082429.1826 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-03-15", "window": { "start": { "local": "2066-03-15T21:46:35+08:00", "utc": "2066-03-15T13:46:35Z", "ms": 3035886394830.6387 }, "end": { "local": "2066-03-15T21:46:35+08:00", "utc": "2066-03-15T13:46:35Z", "ms": 3035886394830.6387 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:21 on Mon 15 Mar to 23:06 on Mon 15 Mar.", "fact": "2066-03-14T17:21:17Z → 2066-03-15T15:06:17Z" }, { "step": "kaala", "text": "Moonrise is at 20:41 on the 14th and 21:47 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4782 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2066: Monday 15 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": "2066-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2066 falls on Monday 15 March. Caturthī runs from 01:21 on Mon 15 Mar to 23:06 on Mon 15 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/sankashta-chaturthi?on=2066-03-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6759, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-03-18T16:27:15+08:00", "utc": "2066-03-18T08:27:15Z", "ms": 3036126434864.603 }, "end": { "local": "2066-03-19T14:27:28+08:00", "utc": "2066-03-19T06:27:28Z", "ms": 3036205647826.587 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-18T16:27:15+08:00", "utc": "2066-03-18T08:27:15Z", "ms": 3036126434864.603 }, "end": { "local": "2066-03-19T14:27:28+08:00", "utc": "2066-03-19T06:27:28Z", "ms": 3036205647826.587 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-03-18", "window": { "start": { "local": "2066-03-18T11:47:06+08:00", "utc": "2066-03-18T03:47:06Z", "ms": 3036109626279.5527 }, "end": { "local": "2066-03-18T12:35:06+08:00", "utc": "2066-03-18T04:35:06Z", "ms": 3036112506279.5527 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-03-19", "window": { "start": { "local": "2066-03-19T11:46:49+08:00", "utc": "2066-03-19T03:46:49Z", "ms": 3036196008873.8115 }, "end": { "local": "2066-03-19T12:34:49+08:00", "utc": "2066-03-19T04:34:49Z", "ms": 3036198888873.8115 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:27 on Thu 18 Mar to 14:27 on Fri 19 Mar.", "fact": "2066-03-18T08:27:15Z → 2066-03-19T06:27:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 18th, 11:47–12:35 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6759 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Fuzhou, 2066: Friday 19 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": "2066-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalāṣṭamī 2066 falls on Friday 19 March. Aṣṭamī runs from 16:27 on Thu 18 Mar to 14:27 on Fri 19 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-03-22", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12152, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-03-21T10:56:44+08:00", "utc": "2066-03-21T02:56:44Z", "ms": 3036365803726.4565 }, "end": { "local": "2066-03-22T09:27:38+08:00", "utc": "2066-03-22T01:27:38Z", "ms": 3036446857620.1436 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-21T10:56:44+08:00", "utc": "2066-03-21T02:56:44Z", "ms": 3036365803726.4565 }, "end": { "local": "2066-03-22T09:27:38+08:00", "utc": "2066-03-22T01:27:38Z", "ms": 3036446857620.1436 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-03-21", "window": { "start": { "local": "2066-03-21T06:06:09+08:00", "utc": "2066-03-20T22:06:09Z", "ms": 3036348369279.972 }, "end": { "local": "2066-03-21T06:06:09+08:00", "utc": "2066-03-20T22:06:09Z", "ms": 3036348369279.972 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-03-22", "window": { "start": { "local": "2066-03-22T06:05:05+08:00", "utc": "2066-03-21T22:05:05Z", "ms": 3036434705196.466 }, "end": { "local": "2066-03-22T06:05:05+08:00", "utc": "2066-03-21T22:05:05Z", "ms": 3036434705196.466 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:57 on Sun 21 Mar to 09:28 on Mon 22 Mar.", "fact": "2066-03-21T02:56:44Z → 2066-03-22T01:27:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:06 on the 21st and 06:05 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12152 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Fuzhou, 2066: Monday 22 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": "2066-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāpamocanī Ekādaśī 2066 falls on Monday 22 March. Ekādaśī runs from 10:57 on Sun 21 Mar to 09:28 on Mon 22 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-03-22", "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/2066/pradosha-vrata?on=2066-03-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36224, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-03-23T08:11:31+08:00", "utc": "2066-03-23T00:11:31Z", "ms": 3036528690863.9204 }, "end": { "local": "2066-03-24T07:11:13+08:00", "utc": "2066-03-23T23:11:13Z", "ms": 3036611473463.0444 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-23T08:11:31+08:00", "utc": "2066-03-23T00:11:31Z", "ms": 3036528690863.9204 }, "end": { "local": "2066-03-24T07:11:13+08:00", "utc": "2066-03-23T23:11:13Z", "ms": 3036611473463.0444 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-03-23", "window": { "start": { "local": "2066-03-23T18:15:15+08:00", "utc": "2066-03-23T10:15:15Z", "ms": 3036564915261.865 }, "end": { "local": "2066-03-23T19:49:37+08:00", "utc": "2066-03-23T11:49:37Z", "ms": 3036570576813.5493 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2066-03-24", "window": { "start": { "local": "2066-03-24T18:15:44+08:00", "utc": "2066-03-24T10:15:44Z", "ms": 3036651343705.42 }, "end": { "local": "2066-03-24T19:49:53+08:00", "utc": "2066-03-24T11:49:53Z", "ms": 3036656992909.3945 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:12 on Tue 23 Mar to 07:11 on Wed 24 Mar.", "fact": "2066-03-23T00:11:31Z → 2066-03-23T23:11:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:50 on the 23rd, 18:16–19:50 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 94 of 94 minutes on the 23rd and 0 of 94 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36224 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2066: Tuesday 23 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": "2066-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2066 falls on Tuesday 23 March. Trayodaśī runs from 08:12 on Tue 23 Mar to 07:11 on Wed 24 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-03-23", "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/2066/shivaratri?on=2066-03-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21469, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-03-24T07:11:13+08:00", "utc": "2066-03-23T23:11:13Z", "ms": 3036611473463.0444 }, "end": { "local": "2066-03-25T06:30:37+08:00", "utc": "2066-03-24T22:30:37Z", "ms": 3036695437470.987 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-24T07:11:13+08:00", "utc": "2066-03-23T23:11:13Z", "ms": 3036611473463.0444 }, "end": { "local": "2066-03-25T06:30:37+08:00", "utc": "2066-03-24T22:30:37Z", "ms": 3036695437470.987 } }, "kaala": "nishita", "days": [ { "local_date": "2066-03-23", "window": { "start": { "local": "2066-03-23T23:45:06+08:00", "utc": "2066-03-23T15:45:06Z", "ms": 3036584706080.68 }, "end": { "local": "2066-03-24T00:33:06+08:00", "utc": "2066-03-23T16:33:06Z", "ms": 3036587586080.68 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-03-24", "window": { "start": { "local": "2066-03-24T23:44:48+08:00", "utc": "2066-03-24T15:44:48Z", "ms": 3036671088220.324 }, "end": { "local": "2066-03-25T00:32:48+08:00", "utc": "2066-03-24T16:32:48Z", "ms": 3036673968220.324 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:11 on Wed 24 Mar to 06:31 on Thu 25 Mar.", "fact": "2066-03-23T23:11:13Z → 2066-03-24T22:30:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 23rd, 23:45–00:33 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21469 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2066: Wednesday 24 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": "2066-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2066 falls on Wednesday 24 March. Caturdaśī runs from 07:11 on Wed 24 Mar to 06:31 on Thu 25 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/shivaratri?on=2066-03-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19055, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-03-26T06:14:17+08:00", "utc": "2066-03-25T22:14:17Z", "ms": 3036780857452.0376 }, "end": { "local": "2066-03-27T06:26:52+08:00", "utc": "2066-03-26T22:26:52Z", "ms": 3036868011597.1367 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-26T06:14:17+08:00", "utc": "2066-03-25T22:14:17Z", "ms": 3036780857452.0376 }, "end": { "local": "2066-03-27T06:26:52+08:00", "utc": "2066-03-26T22:26:52Z", "ms": 3036868011597.1367 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-03-26", "window": { "start": { "local": "2066-03-26T11:44:44+08:00", "utc": "2066-03-26T03:44:44Z", "ms": 3036800684485.6953 }, "end": { "local": "2066-03-26T12:32:44+08:00", "utc": "2066-03-26T04:32:44Z", "ms": 3036803564485.6953 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-03-27", "window": { "start": { "local": "2066-03-27T11:44:27+08:00", "utc": "2066-03-27T03:44:27Z", "ms": 3036887066560.8486 }, "end": { "local": "2066-03-27T12:32:27+08:00", "utc": "2066-03-27T04:32:27Z", "ms": 3036889946560.8486 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:14 on Fri 26 Mar to 06:27 on Sat 27 Mar.", "fact": "2066-03-25T22:14:17Z → 2066-03-26T22:26:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 26th, 11:44–12:32 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19055 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Fuzhou, 2066: Friday 26 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": "2066-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Caitra) (Chaitra Navratri) 2066 falls on Friday 26 March. Pratipadā runs from 06:14 on Fri 26 Mar to 06:27 on Sat 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11532, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-03-28T07:12:05+08:00", "utc": "2066-03-27T23:12:05Z", "ms": 3036957124900.7227 }, "end": { "local": "2066-03-29T08:31:38+08:00", "utc": "2066-03-29T00:31:38Z", "ms": 3037048298472.6924 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-28T07:12:05+08:00", "utc": "2066-03-27T23:12:05Z", "ms": 3036957124900.7227 }, "end": { "local": "2066-03-29T08:31:38+08:00", "utc": "2066-03-29T00:31:38Z", "ms": 3037048298472.6924 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-03-28", "window": { "start": { "local": "2066-03-28T11:44:09+08:00", "utc": "2066-03-28T03:44:09Z", "ms": 3036973448646.9165 }, "end": { "local": "2066-03-28T12:32:09+08:00", "utc": "2066-03-28T04:32:09Z", "ms": 3036976328646.9165 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-03-29", "window": { "start": { "local": "2066-03-29T11:43:51+08:00", "utc": "2066-03-29T03:43:51Z", "ms": 3037059830760.545 }, "end": { "local": "2066-03-29T12:31:51+08:00", "utc": "2066-03-29T04:31:51Z", "ms": 3037062710760.545 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:12 on Sun 28 Mar to 08:32 on Mon 29 Mar.", "fact": "2066-03-27T23:12:05Z → 2066-03-29T00:31:38Z" }, { "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": "Tṛtīyā 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 11532 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Fuzhou, 2066: Sunday 28 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": "2066-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaurī Tṛtīyā (Gangaur) 2066 falls on Sunday 28 March. Tṛtīyā runs from 07:12 on Sun 28 Mar to 08:32 on Mon 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11532, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-03-28T07:12:05+08:00", "utc": "2066-03-27T23:12:05Z", "ms": 3036957124900.7227 }, "end": { "local": "2066-03-29T08:31:38+08:00", "utc": "2066-03-29T00:31:38Z", "ms": 3037048298472.6924 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-28T07:12:05+08:00", "utc": "2066-03-27T23:12:05Z", "ms": 3036957124900.7227 }, "end": { "local": "2066-03-29T08:31:38+08:00", "utc": "2066-03-29T00:31:38Z", "ms": 3037048298472.6924 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-03-28", "window": { "start": { "local": "2066-03-28T11:44:09+08:00", "utc": "2066-03-28T03:44:09Z", "ms": 3036973448646.9165 }, "end": { "local": "2066-03-28T12:32:09+08:00", "utc": "2066-03-28T04:32:09Z", "ms": 3036976328646.9165 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-03-29", "window": { "start": { "local": "2066-03-29T11:43:51+08:00", "utc": "2066-03-29T03:43:51Z", "ms": 3037059830760.545 }, "end": { "local": "2066-03-29T12:31:51+08:00", "utc": "2066-03-29T04:31:51Z", "ms": 3037062710760.545 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:12 on Sun 28 Mar to 08:32 on Mon 29 Mar.", "fact": "2066-03-27T23:12:05Z → 2066-03-29T00:31:38Z" }, { "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": "Tṛtīyā 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: paraviddha → only-day · margin 11532 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Fuzhou, 2066: Sunday 28 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": "2066-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Saubhāgya Śayana Vrata 2066 falls on Sunday 28 March. Tṛtīyā runs from 07:12 on Sun 28 Mar to 08:32 on Mon 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-03-29", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4778, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-03-29T08:31:38+08:00", "utc": "2066-03-29T00:31:38Z", "ms": 3037048298472.6924 }, "end": { "local": "2066-03-30T10:23:55+08:00", "utc": "2066-03-30T02:23:55Z", "ms": 3037141434896.3213 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-29T08:31:38+08:00", "utc": "2066-03-29T00:31:38Z", "ms": 3037048298472.6924 }, "end": { "local": "2066-03-30T10:23:55+08:00", "utc": "2066-03-30T02:23:55Z", "ms": 3037141434896.3213 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-03-29", "window": { "start": { "local": "2066-03-29T11:43:51+08:00", "utc": "2066-03-29T03:43:51Z", "ms": 3037059830760.545 }, "end": { "local": "2066-03-29T12:31:51+08:00", "utc": "2066-03-29T04:31:51Z", "ms": 3037062710760.545 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-03-30", "window": { "start": { "local": "2066-03-30T11:43:33+08:00", "utc": "2066-03-30T03:43:33Z", "ms": 3037146212918.6436 }, "end": { "local": "2066-03-30T12:31:33+08:00", "utc": "2066-03-30T04:31:33Z", "ms": 3037149092918.6436 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:32 on Mon 29 Mar to 10:24 on Tue 30 Mar.", "fact": "2066-03-29T00:31:38Z → 2066-03-30T02:23:55Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4778 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2066: Monday 29 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": "2066-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2066 falls on Monday 29 March. Caturthī runs from 08:32 on Mon 29 Mar to 10:24 on Tue 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/vinayaka-chaturthi?on=2066-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 704, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-03-30T10:23:55+08:00", "utc": "2066-03-30T02:23:55Z", "ms": 3037141434896.3213 }, "end": { "local": "2066-03-31T12:42:59+08:00", "utc": "2066-03-31T04:42:59Z", "ms": 3037236178638.882 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-30T10:23:55+08:00", "utc": "2066-03-30T02:23:55Z", "ms": 3037141434896.3213 }, "end": { "local": "2066-03-31T12:42:59+08:00", "utc": "2066-03-31T04:42:59Z", "ms": 3037236178638.882 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-03-30", "window": { "start": { "local": "2066-03-30T11:43:33+08:00", "utc": "2066-03-30T03:43:33Z", "ms": 3037146212918.6436 }, "end": { "local": "2066-03-30T12:31:33+08:00", "utc": "2066-03-30T04:31:33Z", "ms": 3037149092918.6436 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-03-31", "window": { "start": { "local": "2066-03-31T11:43:15+08:00", "utc": "2066-03-31T03:43:15Z", "ms": 3037232595138.4053 }, "end": { "local": "2066-03-31T12:31:15+08:00", "utc": "2066-03-31T04:31:15Z", "ms": 3037235475138.4053 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:24 on Tue 30 Mar to 12:43 on Wed 31 Mar.", "fact": "2066-03-30T02:23:55Z → 2066-03-31T04:42:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 30th, 11:43–12:31 on the 31st.", "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 30th and 48 of 48 on the 31st.", "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 704 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Fuzhou, 2066: Tuesday 30 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": "2066-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Lakṣmī Pañcamī 2066 falls on Tuesday 30 March. Pañcamī runs from 10:24 on Tue 30 Mar to 12:43 on Wed 31 Mar and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19497, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-04-02T17:55:37+08:00", "utc": "2066-04-02T09:55:37Z", "ms": 3037427736953.468 }, "end": { "local": "2066-04-03T20:18:50+08:00", "utc": "2066-04-03T12:18:50Z", "ms": 3037522729740.566 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-02T17:55:37+08:00", "utc": "2066-04-02T09:55:37Z", "ms": 3037427736953.468 }, "end": { "local": "2066-04-03T20:18:50+08:00", "utc": "2066-04-03T12:18:50Z", "ms": 3037522729740.566 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-02", "window": { "start": { "local": "2066-04-02T11:42:40+08:00", "utc": "2066-04-02T03:42:40Z", "ms": 3037405359833.041 }, "end": { "local": "2066-04-02T12:30:40+08:00", "utc": "2066-04-02T04:30:40Z", "ms": 3037408239833.041 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-04-03", "window": { "start": { "local": "2066-04-03T11:42:22+08:00", "utc": "2066-04-03T03:42:22Z", "ms": 3037491742343.5996 }, "end": { "local": "2066-04-03T12:30:22+08:00", "utc": "2066-04-03T04:30:22Z", "ms": 3037494622343.5996 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:56 on Fri 2 Apr to 20:19 on Sat 3 Apr.", "fact": "2066-04-02T09:55:37Z → 2066-04-03T12:18:50Z" }, { "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": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19497 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Fuzhou, 2066: Saturday 3 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": "2066-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhavānī Utpatti 2066 falls on Saturday 3 April. Aṣṭamī runs from 17:56 on Fri 2 Apr to 20:19 on Sat 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28107, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2066-04-03T20:18:50+08:00", "utc": "2066-04-03T12:18:50Z", "ms": 3037522729740.566 }, "end": { "local": "2066-04-04T22:12:48+08:00", "utc": "2066-04-04T14:12:48Z", "ms": 3037615967564.1357 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-03T20:18:50+08:00", "utc": "2066-04-03T12:18:50Z", "ms": 3037522729740.566 }, "end": { "local": "2066-04-04T22:12:48+08:00", "utc": "2066-04-04T14:12:48Z", "ms": 3037615967564.1357 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-03", "window": { "start": { "local": "2066-04-03T11:42:22+08:00", "utc": "2066-04-03T03:42:22Z", "ms": 3037491742343.5996 }, "end": { "local": "2066-04-03T12:30:22+08:00", "utc": "2066-04-03T04:30:22Z", "ms": 3037494622343.5996 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-04-04", "window": { "start": { "local": "2066-04-04T11:42:05+08:00", "utc": "2066-04-04T03:42:05Z", "ms": 3037578124987.186 }, "end": { "local": "2066-04-04T12:30:05+08:00", "utc": "2066-04-04T04:30:05Z", "ms": 3037581004987.186 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 20:19 on Sat 3 Apr to 22:13 on Sun 4 Apr.", "fact": "2066-04-03T12:18:50Z → 2066-04-04T14:12:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 3rd, 11:42–12:30 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28107 s" }, { "step": "ruling", "text": "Rāma Navamī, Fuzhou, 2066: Sunday 4 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": "2066-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Rāma Navamī 2066 falls on Sunday 4 April. Navamī runs from 20:19 on Sat 3 Apr to 22:13 on Sun 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-04-06", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21432, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-04-05T23:25:46+08:00", "utc": "2066-04-05T15:25:46Z", "ms": 3037706745975.3237 }, "end": { "local": "2066-04-06T23:50:57+08:00", "utc": "2066-04-06T15:50:57Z", "ms": 3037794657202.407 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-05T23:25:46+08:00", "utc": "2066-04-05T15:25:46Z", "ms": 3037706745975.3237 }, "end": { "local": "2066-04-06T23:50:57+08:00", "utc": "2066-04-06T15:50:57Z", "ms": 3037794657202.407 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-04-06", "window": { "start": { "local": "2066-04-06T05:49:11+08:00", "utc": "2066-04-05T21:49:11Z", "ms": 3037729751406.912 }, "end": { "local": "2066-04-06T05:49:11+08:00", "utc": "2066-04-05T21:49:11Z", "ms": 3037729751406.912 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-04-07", "window": { "start": { "local": "2066-04-07T05:48:09+08:00", "utc": "2066-04-06T21:48:09Z", "ms": 3037816089445.0303 }, "end": { "local": "2066-04-07T05:48:09+08:00", "utc": "2066-04-06T21:48:09Z", "ms": 3037816089445.0303 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:26 on Mon 5 Apr to 23:51 on Tue 6 Apr.", "fact": "2066-04-05T15:25:46Z → 2066-04-06T15:50:57Z" }, { "step": "kaala", "text": "Sunrise is at 05:49 on the 6th and 05:48 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 21432 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Fuzhou, 2066: Tuesday 6 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": "2066-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmadā Ekādaśī 2066 falls on Tuesday 6 April. Ekādaśī runs from 23:26 on Mon 5 Apr to 23:51 on Tue 6 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-04-06", "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/2066/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35240, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-04-07T23:26:48+08:00", "utc": "2066-04-07T15:26:48Z", "ms": 3037879607687.2104 }, "end": { "local": "2066-04-08T22:16:17+08:00", "utc": "2066-04-08T14:16:17Z", "ms": 3037961776882.694 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-07T23:26:48+08:00", "utc": "2066-04-07T15:26:48Z", "ms": 3037879607687.2104 }, "end": { "local": "2066-04-08T22:16:17+08:00", "utc": "2066-04-08T14:16:17Z", "ms": 3037961776882.694 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-07", "window": { "start": { "local": "2066-04-07T11:41:14+08:00", "utc": "2066-04-07T03:41:14Z", "ms": 3037837273903.035 }, "end": { "local": "2066-04-07T12:29:14+08:00", "utc": "2066-04-07T04:29:14Z", "ms": 3037840153903.035 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-04-08", "window": { "start": { "local": "2066-04-08T11:40:57+08:00", "utc": "2066-04-08T03:40:57Z", "ms": 3037923657267.826 }, "end": { "local": "2066-04-08T12:28:57+08:00", "utc": "2066-04-08T04:28:57Z", "ms": 3037926537267.826 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:27 on Wed 7 Apr to 22:16 on Thu 8 Apr.", "fact": "2066-04-07T15:26:48Z → 2066-04-08T14:16:17Z" }, { "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": "Trayodaśī 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: purvaviddha → only-day · margin 35240 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Fuzhou, 2066: Thursday 8 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": "2066-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Anaṅga Trayodaśī 2066 falls on Thursday 8 April. Trayodaśī runs from 23:27 on Wed 7 Apr to 22:16 on Thu 8 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/pradosha-vrata?on=2066-04-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8544, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-04-07T23:26:48+08:00", "utc": "2066-04-07T15:26:48Z", "ms": 3037879607687.2104 }, "end": { "local": "2066-04-08T22:16:17+08:00", "utc": "2066-04-08T14:16:17Z", "ms": 3037961776882.694 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-07T23:26:48+08:00", "utc": "2066-04-07T15:26:48Z", "ms": 3037879607687.2104 }, "end": { "local": "2066-04-08T22:16:17+08:00", "utc": "2066-04-08T14:16:17Z", "ms": 3037961776882.694 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-04-07", "window": { "start": { "local": "2066-04-07T18:22:18+08:00", "utc": "2066-04-07T10:22:18Z", "ms": 3037861338361.0396 }, "end": { "local": "2066-04-07T19:53:37+08:00", "utc": "2066-04-07T11:53:37Z", "ms": 3037866816957.381 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2066-04-08", "window": { "start": { "local": "2066-04-08T18:22:47+08:00", "utc": "2066-04-08T10:22:47Z", "ms": 3037947766702.052 }, "end": { "local": "2066-04-08T19:53:53+08:00", "utc": "2066-04-08T11:53:53Z", "ms": 3037953233355.153 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:27 on Wed 7 Apr to 22:16 on Thu 8 Apr.", "fact": "2066-04-07T15:26:48Z → 2066-04-08T14:16:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–19:54 on the 7th, 18:23–19:54 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 91 minutes on the 7th and 91 of 91 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 8544 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2066: Thursday 8 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": "2066-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2066 falls on Thursday 8 April. Trayodaśī runs from 23:27 on Wed 7 Apr to 22:16 on Thu 8 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-04-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28626, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-04-08T22:16:17+08:00", "utc": "2066-04-08T14:16:17Z", "ms": 3037961776882.694 }, "end": { "local": "2066-04-09T20:25:47+08:00", "utc": "2066-04-09T12:25:47Z", "ms": 3038041546553.043 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-08T22:16:17+08:00", "utc": "2066-04-08T14:16:17Z", "ms": 3037961776882.694 }, "end": { "local": "2066-04-09T20:25:47+08:00", "utc": "2066-04-09T12:25:47Z", "ms": 3038041546553.043 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-08", "window": { "start": { "local": "2066-04-08T11:40:57+08:00", "utc": "2066-04-08T03:40:57Z", "ms": 3037923657267.826 }, "end": { "local": "2066-04-08T12:28:57+08:00", "utc": "2066-04-08T04:28:57Z", "ms": 3037926537267.826 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-04-09", "window": { "start": { "local": "2066-04-09T11:40:41+08:00", "utc": "2066-04-09T03:40:41Z", "ms": 3038010040862.634 }, "end": { "local": "2066-04-09T12:28:41+08:00", "utc": "2066-04-09T04:28:41Z", "ms": 3038012920862.634 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:16 on Thu 8 Apr to 20:26 on Fri 9 Apr.", "fact": "2066-04-08T14:16:17Z → 2066-04-09T12:25:47Z" }, { "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": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28626 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Fuzhou, 2066: Friday 9 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": "2066-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Viṣṇudamanaka Caturdaśī 2066 falls on Friday 9 April. Caturdaśī runs from 22:16 on Thu 8 Apr to 20:26 on Fri 9 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20121, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-04-09T20:25:47+08:00", "utc": "2066-04-09T12:25:47Z", "ms": 3038041546553.043 }, "end": { "local": "2066-04-10T18:03:46+08:00", "utc": "2066-04-10T10:03:46Z", "ms": 3038119425817.328 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-09T20:25:47+08:00", "utc": "2066-04-09T12:25:47Z", "ms": 3038041546553.043 }, "end": { "local": "2066-04-10T18:03:46+08:00", "utc": "2066-04-10T10:03:46Z", "ms": 3038119425817.328 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-09", "window": { "start": { "local": "2066-04-09T11:40:41+08:00", "utc": "2066-04-09T03:40:41Z", "ms": 3038010040862.634 }, "end": { "local": "2066-04-09T12:28:41+08:00", "utc": "2066-04-09T04:28:41Z", "ms": 3038012920862.634 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-04-10", "window": { "start": { "local": "2066-04-10T11:40:25+08:00", "utc": "2066-04-10T03:40:25Z", "ms": 3038096424708.427 }, "end": { "local": "2066-04-10T12:28:25+08:00", "utc": "2066-04-10T04:28:25Z", "ms": 3038099304708.427 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:26 on Fri 9 Apr to 18:04 on Sat 10 Apr.", "fact": "2066-04-09T12:25:47Z → 2066-04-10T10:03:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 9th, 11:40–12:28 on the 10th.", "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 9th and 48 of 48 on the 10th.", "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 20121 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Fuzhou, 2066: Saturday 10 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": "2066-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Caitrī Pūrṇimā 2066 falls on Saturday 10 April. Pūrṇimā runs from 20:26 on Fri 9 Apr to 18:04 on Sat 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/sankashta-chaturthi?on=2066-04-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31382, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-04-13T09:24:05+08:00", "utc": "2066-04-13T01:24:05Z", "ms": 3038347444891.6685 }, "end": { "local": "2066-04-14T06:29:49+08:00", "utc": "2066-04-13T22:29:49Z", "ms": 3038423388601.5137 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-13T09:24:05+08:00", "utc": "2066-04-13T01:24:05Z", "ms": 3038347444891.6685 }, "end": { "local": "2066-04-14T06:29:49+08:00", "utc": "2066-04-13T22:29:49Z", "ms": 3038423388601.5137 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-04-12", "window": { "start": { "local": "2066-04-12T20:39:06+08:00", "utc": "2066-04-12T12:39:06Z", "ms": 3038301545821.432 }, "end": { "local": "2066-04-12T20:39:06+08:00", "utc": "2066-04-12T12:39:06Z", "ms": 3038301545821.432 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-04-13", "window": { "start": { "local": "2066-04-13T21:46:46+08:00", "utc": "2066-04-13T13:46:46Z", "ms": 3038392006174.3145 }, "end": { "local": "2066-04-13T21:46:46+08:00", "utc": "2066-04-13T13:46:46Z", "ms": 3038392006174.3145 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:24 on Tue 13 Apr to 06:30 on Wed 14 Apr.", "fact": "2066-04-13T01:24:05Z → 2066-04-13T22:29:49Z" }, { "step": "kaala", "text": "Moonrise is at 20:39 on the 12th and 21:47 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31382 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2066: Tuesday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2066 falls on Tuesday 13 April. Caturthī runs from 09:24 on Tue 13 Apr to 06:30 on Wed 14 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/sankashta-chaturthi?on=2066-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41710, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2066-04-14T18:04:59+08:00", "utc": "2066-04-14T10:04:59Z", "ms": 3038465098759.1943 }, "end": { "local": "2066-05-15T14:51:33+08:00", "utc": "2066-05-15T06:51:33Z", "ms": 3041131893133.5513 } }, "span": { "of": "transit", "start": { "local": "2066-04-14T18:04:59+08:00", "utc": "2066-04-14T10:04:59Z", "ms": 3038465098759.1943 }, "end": { "local": "2066-04-14T18:04:59+08:00", "utc": "2066-04-14T10:04:59Z", "ms": 3038465098759.1943 } }, "kaala": "day", "days": [ { "local_date": "2066-04-14", "window": { "start": { "local": "2066-04-14T05:41:07+08:00", "utc": "2066-04-13T21:41:07Z", "ms": 3038420467104.0537 }, "end": { "local": "2066-04-15T05:40:09+08:00", "utc": "2066-04-14T21:40:09Z", "ms": 3038506808741.1035 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "2066-04-15", "window": { "start": { "local": "2066-04-15T05:40:09+08:00", "utc": "2066-04-14T21:40:09Z", "ms": 3038506808741.1035 }, "end": { "local": "2066-04-16T05:39:11+08:00", "utc": "2066-04-15T21:39:11Z", "ms": 3038593150956.681 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 18:05 on Wed 14 Apr.", "fact": "2066-04-14T10:04:59Z · 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 41710 s" }, { "step": "ruling", "text": "Vaiśākhī, Fuzhou, 2066: Wednesday 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": "2066-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2066-04-14", "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": "2066-04-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Fuzhou, Vaiśākhī 2066 falls on Wednesday 14 April. The Sun enters Meṣa at 18:05 on Wed 14 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-04-20", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36902, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-04-19T19:20:24+08:00", "utc": "2066-04-19T11:20:24Z", "ms": 3038901623992.0464 }, "end": { "local": "2066-04-20T18:46:58+08:00", "utc": "2066-04-20T10:46:58Z", "ms": 3038986017526.324 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-19T19:20:24+08:00", "utc": "2066-04-19T11:20:24Z", "ms": 3038901623992.0464 }, "end": { "local": "2066-04-20T18:46:58+08:00", "utc": "2066-04-20T10:46:58Z", "ms": 3038986017526.324 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-04-20", "window": { "start": { "local": "2066-04-20T05:35:26+08:00", "utc": "2066-04-19T21:35:26Z", "ms": 3038938526129.037 }, "end": { "local": "2066-04-20T05:35:26+08:00", "utc": "2066-04-19T21:35:26Z", "ms": 3038938526129.037 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-04-21", "window": { "start": { "local": "2066-04-21T05:34:32+08:00", "utc": "2066-04-20T21:34:32Z", "ms": 3039024871621.086 }, "end": { "local": "2066-04-21T05:34:32+08:00", "utc": "2066-04-20T21:34:32Z", "ms": 3039024871621.086 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:20 on Mon 19 Apr to 18:47 on Tue 20 Apr.", "fact": "2066-04-19T11:20:24Z → 2066-04-20T10:46:58Z" }, { "step": "kaala", "text": "Sunrise is at 05:35 on the 20th and 05:35 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 36902 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Fuzhou, 2066: Tuesday 20 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": "2066-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Varūthinī Ekādaśī 2066 falls on Tuesday 20 April. Ekādaśī runs from 19:20 on Mon 19 Apr to 18:47 on Tue 20 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-04-20", "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/2066/pradosha-vrata?on=2066-04-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-21", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 430, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-04-21T18:36:17+08:00", "utc": "2066-04-21T10:36:17Z", "ms": 3039071777019.352 }, "end": { "local": "2066-04-22T18:49:05+08:00", "utc": "2066-04-22T10:49:05Z", "ms": 3039158945081.296 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-21T18:36:17+08:00", "utc": "2066-04-21T10:36:17Z", "ms": 3039071777019.352 }, "end": { "local": "2066-04-22T18:49:05+08:00", "utc": "2066-04-22T10:49:05Z", "ms": 3039158945081.296 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-04-21", "window": { "start": { "local": "2066-04-21T18:29:07+08:00", "utc": "2066-04-21T10:29:07Z", "ms": 3039071346874.609 }, "end": { "local": "2066-04-21T19:57:43+08:00", "utc": "2066-04-21T11:57:43Z", "ms": 3039076663003.0176 } }, "covered_min": 81, "window_min": 89, "qualifies": true }, { "local_date": "2066-04-22", "window": { "start": { "local": "2066-04-22T18:29:37+08:00", "utc": "2066-04-22T10:29:37Z", "ms": 3039157777274.7305 }, "end": { "local": "2066-04-22T19:58:02+08:00", "utc": "2066-04-22T11:58:02Z", "ms": 3039163082278.0737 } }, "covered_min": 19, "window_min": 88, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:36 on Wed 21 Apr to 18:49 on Thu 22 Apr.", "fact": "2066-04-21T10:36:17Z → 2066-04-22T10:49:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:29–19:58 on the 21st, 18:30–19:58 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 81 of 89 minutes on the 21st and 19 of 88 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 430 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2066: Wednesday 21 April.", "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": "2066-04-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-21", "confidence": "boundary" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2066 falls on Wednesday 21 April. Trayodaśī runs from 18:36 on Wed 21 Apr to 18:49 on Thu 22 Apr and covers 81 of 89 minutes of pradoṣa that evening. It also reaches the next evening for 19 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/2066/pradosha-vrata?on=2066-04-21", "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/2066/shivaratri?on=2066-04-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15023, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-04-22T18:49:05+08:00", "utc": "2066-04-22T10:49:05Z", "ms": 3039158945081.296 }, "end": { "local": "2066-04-23T19:26:37+08:00", "utc": "2066-04-23T11:26:37Z", "ms": 3039247597187.003 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-22T18:49:05+08:00", "utc": "2066-04-22T10:49:05Z", "ms": 3039158945081.296 }, "end": { "local": "2066-04-23T19:26:37+08:00", "utc": "2066-04-23T11:26:37Z", "ms": 3039247597187.003 } }, "kaala": "nishita", "days": [ { "local_date": "2066-04-22", "window": { "start": { "local": "2066-04-22T23:37:11+08:00", "utc": "2066-04-22T15:37:11Z", "ms": 3039176231037.2676 }, "end": { "local": "2066-04-23T00:25:11+08:00", "utc": "2066-04-22T16:25:11Z", "ms": 3039179111037.2676 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-04-23", "window": { "start": { "local": "2066-04-23T23:37:00+08:00", "utc": "2066-04-23T15:37:00Z", "ms": 3039262620186.4775 }, "end": { "local": "2066-04-24T00:25:00+08:00", "utc": "2066-04-23T16:25:00Z", "ms": 3039265500186.4775 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:49 on Thu 22 Apr to 19:27 on Fri 23 Apr.", "fact": "2066-04-22T10:49:05Z → 2066-04-23T11:26:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:37–00:25 on the 22nd, 23:37–00:25 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 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15023 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2066: Thursday 22 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": "2066-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2066 falls on Thursday 22 April. Caturdaśī runs from 18:49 on Thu 22 Apr to 19:27 on Fri 23 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/shivaratri?on=2066-04-22", "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/2066/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11558, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-04-26T23:57:08+08:00", "utc": "2066-04-26T15:57:08Z", "ms": 3039523028081.7285 }, "end": { "local": "2066-04-28T02:15:54+08:00", "utc": "2066-04-27T18:15:54Z", "ms": 3039617753643.003 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-26T23:57:08+08:00", "utc": "2066-04-26T15:57:08Z", "ms": 3039523028081.7285 }, "end": { "local": "2066-04-28T02:15:54+08:00", "utc": "2066-04-27T18:15:54Z", "ms": 3039617753643.003 } }, "kaala": "purvahna", "days": [ { "local_date": "2066-04-27", "window": { "start": { "local": "2066-04-27T05:29:21+08:00", "utc": "2066-04-26T21:29:21Z", "ms": 3039542960506.407 }, "end": { "local": "2066-04-27T09:50:18+08:00", "utc": "2066-04-27T01:50:18Z", "ms": 3039558617582.783 } }, "covered_min": 261, "window_min": 261, "qualifies": true }, { "local_date": "2066-04-28", "window": { "start": { "local": "2066-04-28T05:28:31+08:00", "utc": "2066-04-27T21:28:31Z", "ms": 3039629311495.8276 }, "end": { "local": "2066-04-28T09:49:55+08:00", "utc": "2066-04-28T01:49:55Z", "ms": 3039644995357.5815 } }, "covered_min": 0, "window_min": 261, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:57 on Mon 26 Apr to 02:16 on Wed 28 Apr.", "fact": "2066-04-26T15:57:08Z → 2066-04-27T18:15:54Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:29–09:50 on the 27th, 05:29–09:50 on the 28th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 261 of 261 minutes on the 27th and 0 of 261 on the 28th.", "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 11558 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Fuzhou, 2066: Tuesday 27 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": "2066-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Akṣaya Tṛtīyā 2066 falls on Tuesday 27 April. Tṛtīyā runs from 23:57 on Mon 26 Apr to 02:16 on Wed 28 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14266, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-04-26T23:57:08+08:00", "utc": "2066-04-26T15:57:08Z", "ms": 3039523028081.7285 }, "end": { "local": "2066-04-28T02:15:54+08:00", "utc": "2066-04-27T18:15:54Z", "ms": 3039617753643.003 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-26T23:57:08+08:00", "utc": "2066-04-26T15:57:08Z", "ms": 3039523028081.7285 }, "end": { "local": "2066-04-28T02:15:54+08:00", "utc": "2066-04-27T18:15:54Z", "ms": 3039617753643.003 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-04-26", "window": { "start": { "local": "2066-04-26T18:31:41+08:00", "utc": "2066-04-26T10:31:41Z", "ms": 3039503500532.6924 }, "end": { "local": "2066-04-26T19:59:22+08:00", "utc": "2066-04-26T11:59:22Z", "ms": 3039508761862.521 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "2066-04-27", "window": { "start": { "local": "2066-04-27T18:32:12+08:00", "utc": "2066-04-27T10:32:12Z", "ms": 3039589931735.535 }, "end": { "local": "2066-04-27T19:59:42+08:00", "utc": "2066-04-27T11:59:42Z", "ms": 3039595182370.2407 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:57 on Mon 26 Apr to 02:16 on Wed 28 Apr.", "fact": "2066-04-26T15:57:08Z → 2066-04-27T18:15:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–19:59 on the 26th, 18:32–20:00 on the 27th.", "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 26th and 88 of 88 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14266 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Fuzhou, 2066: Tuesday 27 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": "2066-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Paraśurāma Jayantī 2066 falls on Tuesday 27 April. Tṛtīyā runs from 23:57 on Mon 26 Apr to 02:16 on Wed 28 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-04-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24388, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-04-28T02:15:54+08:00", "utc": "2066-04-27T18:15:54Z", "ms": 3039617753643.003 }, "end": { "local": "2066-04-29T04:50:01+08:00", "utc": "2066-04-28T20:50:01Z", "ms": 3039713401433.9756 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-28T02:15:54+08:00", "utc": "2066-04-27T18:15:54Z", "ms": 3039617753643.003 }, "end": { "local": "2066-04-29T04:50:01+08:00", "utc": "2066-04-28T20:50:01Z", "ms": 3039713401433.9756 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-28", "window": { "start": { "local": "2066-04-28T11:36:37+08:00", "utc": "2066-04-28T03:36:37Z", "ms": 3039651397288.459 }, "end": { "local": "2066-04-28T12:24:37+08:00", "utc": "2066-04-28T04:24:37Z", "ms": 3039654277288.459 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-04-29", "window": { "start": { "local": "2066-04-29T11:36:29+08:00", "utc": "2066-04-29T03:36:29Z", "ms": 3039737788955.6846 }, "end": { "local": "2066-04-29T12:24:29+08:00", "utc": "2066-04-29T04:24:29Z", "ms": 3039740668955.6846 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:16 on Wed 28 Apr to 04:50 on Thu 29 Apr.", "fact": "2066-04-27T18:15:54Z → 2066-04-28T20:50:01Z" }, { "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": "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 24388 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2066: Wednesday 28 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": "2066-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2066 falls on Wednesday 28 April. Caturthī runs from 02:16 on Wed 28 Apr to 04:50 on Thu 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/vinayaka-chaturthi?on=2066-04-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14843, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-04-29T04:50:01+08:00", "utc": "2066-04-28T20:50:01Z", "ms": 3039713401433.9756 }, "end": { "local": "2066-04-30T07:28:58+08:00", "utc": "2066-04-29T23:28:58Z", "ms": 3039809338402.4897 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-29T04:50:01+08:00", "utc": "2066-04-28T20:50:01Z", "ms": 3039713401433.9756 }, "end": { "local": "2066-04-30T07:28:58+08:00", "utc": "2066-04-29T23:28:58Z", "ms": 3039809338402.4897 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-29", "window": { "start": { "local": "2066-04-29T11:36:29+08:00", "utc": "2066-04-29T03:36:29Z", "ms": 3039737788955.6846 }, "end": { "local": "2066-04-29T12:24:29+08:00", "utc": "2066-04-29T04:24:29Z", "ms": 3039740668955.6846 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-04-30", "window": { "start": { "local": "2066-04-30T11:36:21+08:00", "utc": "2066-04-30T03:36:21Z", "ms": 3039824181128.498 }, "end": { "local": "2066-04-30T12:24:21+08:00", "utc": "2066-04-30T04:24:21Z", "ms": 3039827061128.498 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:50 on Thu 29 Apr to 07:29 on Fri 30 Apr.", "fact": "2066-04-28T20:50:01Z → 2066-04-29T23:28:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 29th, 11:36–12:24 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 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14843 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Fuzhou, 2066: Thursday 29 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": "2066-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Śaṅkara Jayantī 2066 falls on Thursday 29 April. Pañcamī runs from 04:50 on Thu 29 Apr to 07:29 on Fri 30 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1025, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-05-01T09:59:26+08:00", "utc": "2066-05-01T01:59:26Z", "ms": 3039904765522.1816 }, "end": { "local": "2066-05-02T12:07:02+08:00", "utc": "2066-05-02T04:07:02Z", "ms": 3039998822155.1245 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-01T09:59:26+08:00", "utc": "2066-05-01T01:59:26Z", "ms": 3039904765522.1816 }, "end": { "local": "2066-05-02T12:07:02+08:00", "utc": "2066-05-02T04:07:02Z", "ms": 3039998822155.1245 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-01", "window": { "start": { "local": "2066-05-01T11:36:14+08:00", "utc": "2066-05-01T03:36:14Z", "ms": 3039910573812.534 }, "end": { "local": "2066-05-01T12:24:14+08:00", "utc": "2066-05-01T04:24:14Z", "ms": 3039913453812.534 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-05-02", "window": { "start": { "local": "2066-05-02T11:36:07+08:00", "utc": "2066-05-02T03:36:07Z", "ms": 3039996967013.2344 }, "end": { "local": "2066-05-02T12:24:07+08:00", "utc": "2066-05-02T04:24:07Z", "ms": 3039999847013.2344 } }, "covered_min": 31, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 09:59 on Sat 1 May to 12:07 on Sun 2 May.", "fact": "2066-05-01T01:59:26Z → 2066-05-02T04:07:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 1st, 11:36–12:24 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 31 of 48 on the 2nd.", "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 1025 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Fuzhou, 2066: Saturday 1 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṅgotpatti (Ganga Saptami) 2066 falls on Saturday 1 May. Saptamī runs from 09:59 on Sat 1 May to 12:07 on Sun 2 May and covers all of madhyāhna that midday. It also reaches the next midday for 31 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-05-06", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28839, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-05-05T14:19:36+08:00", "utc": "2066-05-05T06:19:36Z", "ms": 3040265975613.2124 }, "end": { "local": "2066-05-06T13:23:11+08:00", "utc": "2066-05-06T05:23:11Z", "ms": 3040348990673.068 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-05T14:19:36+08:00", "utc": "2066-05-05T06:19:36Z", "ms": 3040265975613.2124 }, "end": { "local": "2066-05-06T13:23:11+08:00", "utc": "2066-05-06T05:23:11Z", "ms": 3040348990673.068 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-05-05", "window": { "start": { "local": "2066-05-05T05:23:14+08:00", "utc": "2066-05-04T21:23:14Z", "ms": 3040233793692.8228 }, "end": { "local": "2066-05-05T05:23:14+08:00", "utc": "2066-05-04T21:23:14Z", "ms": 3040233793692.8228 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-05-06", "window": { "start": { "local": "2066-05-06T05:22:32+08:00", "utc": "2066-05-05T21:22:32Z", "ms": 3040320152133.792 }, "end": { "local": "2066-05-06T05:22:32+08:00", "utc": "2066-05-05T21:22:32Z", "ms": 3040320152133.792 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:20 on Wed 5 May to 13:23 on Thu 6 May.", "fact": "2066-05-05T06:19:36Z → 2066-05-06T05:23:11Z" }, { "step": "kaala", "text": "Sunrise is at 05:23 on the 5th and 05:23 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 28839 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Fuzhou, 2066: Thursday 6 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": "2066-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Mohinī Ekādaśī 2066 falls on Thursday 6 May. Ekādaśī runs from 14:20 on Wed 5 May to 13:23 on Thu 6 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-05-06", "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/2066/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-07", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 206, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-05-06T13:23:11+08:00", "utc": "2066-05-06T05:23:11Z", "ms": 3040348990673.068 }, "end": { "local": "2066-05-07T11:39:07+08:00", "utc": "2066-05-07T03:39:07Z", "ms": 3040429147219.354 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-06T13:23:11+08:00", "utc": "2066-05-06T05:23:11Z", "ms": 3040348990673.068 }, "end": { "local": "2066-05-07T11:39:07+08:00", "utc": "2066-05-07T03:39:07Z", "ms": 3040429147219.354 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-06", "window": { "start": { "local": "2066-05-06T11:35:45+08:00", "utc": "2066-05-06T03:35:45Z", "ms": 3040342545087.899 }, "end": { "local": "2066-05-06T12:23:45+08:00", "utc": "2066-05-06T04:23:45Z", "ms": 3040345425087.899 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-05-07", "window": { "start": { "local": "2066-05-07T11:35:41+08:00", "utc": "2066-05-07T03:35:41Z", "ms": 3040428940951.422 }, "end": { "local": "2066-05-07T12:23:41+08:00", "utc": "2066-05-07T04:23:41Z", "ms": 3040431820951.422 } }, "covered_min": 3, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:23 on Thu 6 May to 11:39 on Fri 7 May.", "fact": "2066-05-06T05:23:11Z → 2066-05-07T03:39:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 6th, 11:36–12:24 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 3 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 206 s < 300 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Fuzhou, 2066: Friday 7 May.", "fact": "confidence: boundary (margin)" } ], "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": "2066-05-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-07", "confidence": "boundary" } ], "quote": "In Fuzhou, Paraśurāma Dvādaśī 2066 falls on Friday 7 May. Dvādaśī runs from 13:23 on Thu 6 May to 11:39 on Fri 7 May and covers 3 of 48 minutes of madhyāhna that midday. It is 3 min 26 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-07", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 206, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-05-06T13:23:11+08:00", "utc": "2066-05-06T05:23:11Z", "ms": 3040348990673.068 }, "end": { "local": "2066-05-07T11:39:07+08:00", "utc": "2066-05-07T03:39:07Z", "ms": 3040429147219.354 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-06T13:23:11+08:00", "utc": "2066-05-06T05:23:11Z", "ms": 3040348990673.068 }, "end": { "local": "2066-05-07T11:39:07+08:00", "utc": "2066-05-07T03:39:07Z", "ms": 3040429147219.354 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-06", "window": { "start": { "local": "2066-05-06T11:35:45+08:00", "utc": "2066-05-06T03:35:45Z", "ms": 3040342545087.899 }, "end": { "local": "2066-05-06T12:23:45+08:00", "utc": "2066-05-06T04:23:45Z", "ms": 3040345425087.899 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-05-07", "window": { "start": { "local": "2066-05-07T11:35:41+08:00", "utc": "2066-05-07T03:35:41Z", "ms": 3040428940951.422 }, "end": { "local": "2066-05-07T12:23:41+08:00", "utc": "2066-05-07T04:23:41Z", "ms": 3040431820951.422 } }, "covered_min": 3, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:23 on Thu 6 May to 11:39 on Fri 7 May.", "fact": "2066-05-06T05:23:11Z → 2066-05-07T03:39:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 6th, 11:36–12:24 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 3 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 206 s < 300 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Fuzhou, 2066: Friday 7 May.", "fact": "confidence: boundary (margin)" } ], "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": "2066-05-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-07", "confidence": "boundary" } ], "quote": "In Fuzhou, Rukmiṇī Dvādaśī 2066 falls on Friday 7 May. Dvādaśī runs from 13:23 on Thu 6 May to 11:39 on Fri 7 May and covers 3 of 48 minutes of madhyāhna that midday. It is 3 min 26 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/pradosha-vrata?on=2066-05-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25103, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-05-07T11:39:07+08:00", "utc": "2066-05-07T03:39:07Z", "ms": 3040429147219.354 }, "end": { "local": "2066-05-08T09:14:17+08:00", "utc": "2066-05-08T01:14:17Z", "ms": 3040506857487.594 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-07T11:39:07+08:00", "utc": "2066-05-07T03:39:07Z", "ms": 3040429147219.354 }, "end": { "local": "2066-05-08T09:14:17+08:00", "utc": "2066-05-08T01:14:17Z", "ms": 3040506857487.594 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-05-07", "window": { "start": { "local": "2066-05-07T18:37:30+08:00", "utc": "2066-05-07T10:37:30Z", "ms": 3040454250309.4604 }, "end": { "local": "2066-05-07T20:03:20+08:00", "utc": "2066-05-07T12:03:20Z", "ms": 3040459399880.3984 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2066-05-08", "window": { "start": { "local": "2066-05-08T18:38:03+08:00", "utc": "2066-05-08T10:38:03Z", "ms": 3040540682637.5635 }, "end": { "local": "2066-05-08T20:03:43+08:00", "utc": "2066-05-08T12:03:43Z", "ms": 3040545822772.3276 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:39 on Fri 7 May to 09:14 on Sat 8 May.", "fact": "2066-05-07T03:39:07Z → 2066-05-08T01:14:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:03 on the 7th, 18:38–20:04 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 86 of 86 minutes on the 7th and 0 of 86 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 25103 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2066: Friday 7 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": "2066-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2066 falls on Friday 7 May. Trayodaśī runs from 11:39 on Fri 7 May to 09:14 on Sat 8 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33825, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-05-08T09:14:17+08:00", "utc": "2066-05-08T01:14:17Z", "ms": 3040506857487.594 }, "end": { "local": "2066-05-09T06:17:35+08:00", "utc": "2066-05-08T22:17:35Z", "ms": 3040582655131.0435 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-08T09:14:17+08:00", "utc": "2066-05-08T01:14:17Z", "ms": 3040506857487.594 }, "end": { "local": "2066-05-09T06:17:35+08:00", "utc": "2066-05-08T22:17:35Z", "ms": 3040582655131.0435 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-05-08", "window": { "start": { "local": "2066-05-08T18:38:03+08:00", "utc": "2066-05-08T10:38:03Z", "ms": 3040540682637.5635 }, "end": { "local": "2066-05-08T20:03:43+08:00", "utc": "2066-05-08T12:03:43Z", "ms": 3040545822772.3276 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2066-05-09", "window": { "start": { "local": "2066-05-09T18:38:35+08:00", "utc": "2066-05-09T10:38:35Z", "ms": 3040627115018.83 }, "end": { "local": "2066-05-09T20:04:06+08:00", "utc": "2066-05-09T12:04:06Z", "ms": 3040632245854.2085 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:14 on Sat 8 May to 06:18 on Sun 9 May.", "fact": "2066-05-08T01:14:17Z → 2066-05-08T22:17:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:04 on the 8th, 18:39–20:04 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 86 of 86 minutes on the 8th and 0 of 86 on the 9th.", "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 33825 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Fuzhou, 2066: Saturday 8 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": "2066-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2066 falls on Saturday 8 May. Caturdaśī runs from 09:14 on Sat 8 May to 06:18 on Sun 9 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19079, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-05-09T06:17:35+08:00", "utc": "2066-05-08T22:17:35Z", "ms": 3040582655131.0435 }, "end": { "local": "2066-05-10T02:58:58+08:00", "utc": "2066-05-09T18:58:58Z", "ms": 3040657137938.813 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-09T06:17:35+08:00", "utc": "2066-05-08T22:17:35Z", "ms": 3040582655131.0435 }, "end": { "local": "2066-05-10T02:58:58+08:00", "utc": "2066-05-09T18:58:58Z", "ms": 3040657137938.813 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-09", "window": { "start": { "local": "2066-05-09T11:35:34+08:00", "utc": "2066-05-09T03:35:34Z", "ms": 3040601734333.5625 }, "end": { "local": "2066-05-09T12:23:34+08:00", "utc": "2066-05-09T04:23:34Z", "ms": 3040604614333.5625 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-05-10", "window": { "start": { "local": "2066-05-10T11:35:32+08:00", "utc": "2066-05-10T03:35:32Z", "ms": 3040688131864.893 }, "end": { "local": "2066-05-10T12:23:32+08:00", "utc": "2066-05-10T04:23:32Z", "ms": 3040691011864.893 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:18 on Sun 9 May to 02:59 on Mon 10 May.", "fact": "2066-05-08T22:17:35Z → 2066-05-09T18:58:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 9th, 11:36–12:24 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "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 19079 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Fuzhou, 2066: Sunday 9 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": "2066-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Buddha Pūrṇimā 2066 falls on Sunday 9 May. Pūrṇimā runs from 06:18 on Sun 9 May to 02:59 on Mon 10 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19079, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-05-09T06:17:35+08:00", "utc": "2066-05-08T22:17:35Z", "ms": 3040582655131.0435 }, "end": { "local": "2066-05-10T02:58:58+08:00", "utc": "2066-05-09T18:58:58Z", "ms": 3040657137938.813 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-09T06:17:35+08:00", "utc": "2066-05-08T22:17:35Z", "ms": 3040582655131.0435 }, "end": { "local": "2066-05-10T02:58:58+08:00", "utc": "2066-05-09T18:58:58Z", "ms": 3040657137938.813 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-09", "window": { "start": { "local": "2066-05-09T11:35:34+08:00", "utc": "2066-05-09T03:35:34Z", "ms": 3040601734333.5625 }, "end": { "local": "2066-05-09T12:23:34+08:00", "utc": "2066-05-09T04:23:34Z", "ms": 3040604614333.5625 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-05-10", "window": { "start": { "local": "2066-05-10T11:35:32+08:00", "utc": "2066-05-10T03:35:32Z", "ms": 3040688131864.893 }, "end": { "local": "2066-05-10T12:23:32+08:00", "utc": "2066-05-10T04:23:32Z", "ms": 3040691011864.893 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:18 on Sun 9 May to 02:59 on Mon 10 May.", "fact": "2066-05-08T22:17:35Z → 2066-05-09T18:58:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 9th, 11:36–12:24 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "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 19079 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Fuzhou, 2066: Sunday 9 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": "2066-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Sampat Gaurī Vrata 2066 falls on Sunday 9 May. Pūrṇimā runs from 06:18 on Sun 9 May to 02:59 on Mon 10 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/sankashta-chaturthi?on=2066-05-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18332, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-05-12T16:32:55+08:00", "utc": "2066-05-12T08:32:55Z", "ms": 3040878775014.984 }, "end": { "local": "2066-05-13T13:25:07+08:00", "utc": "2066-05-13T05:25:07Z", "ms": 3040953907039.603 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-12T16:32:55+08:00", "utc": "2066-05-12T08:32:55Z", "ms": 3040878775014.984 }, "end": { "local": "2066-05-13T13:25:07+08:00", "utc": "2066-05-13T05:25:07Z", "ms": 3040953907039.603 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-05-12", "window": { "start": { "local": "2066-05-12T21:38:27+08:00", "utc": "2066-05-12T13:38:27Z", "ms": 3040897106970.91 }, "end": { "local": "2066-05-12T21:38:27+08:00", "utc": "2066-05-12T13:38:27Z", "ms": 3040897106970.91 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-05-13", "window": { "start": { "local": "2066-05-13T22:34:29+08:00", "utc": "2066-05-13T14:34:29Z", "ms": 3040986869239.312 }, "end": { "local": "2066-05-13T22:34:29+08:00", "utc": "2066-05-13T14:34:29Z", "ms": 3040986869239.312 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:33 on Wed 12 May to 13:25 on Thu 13 May.", "fact": "2066-05-12T08:32:55Z → 2066-05-13T05:25:07Z" }, { "step": "kaala", "text": "Moonrise is at 21:38 on the 12th and 22:34 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18332 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2066: Wednesday 12 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": "2066-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2066 falls on Wednesday 12 May. Caturthī runs from 16:33 on Wed 12 May to 13:25 on Thu 13 May and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/sankashta-chaturthi?on=2066-05-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/ekadashi?on=2066-05-20", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 497, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-05-19T04:54:03+08:00", "utc": "2066-05-18T20:54:03Z", "ms": 3041441642951.6924 }, "end": { "local": "2066-05-20T05:23:03+08:00", "utc": "2066-05-19T21:23:03Z", "ms": 3041529783473.0664 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-19T04:54:03+08:00", "utc": "2066-05-18T20:54:03Z", "ms": 3041441642951.6924 }, "end": { "local": "2066-05-20T05:23:03+08:00", "utc": "2066-05-19T21:23:03Z", "ms": 3041529783473.0664 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-05-19", "window": { "start": { "local": "2066-05-19T05:15:12+08:00", "utc": "2066-05-18T21:15:12Z", "ms": 3041442911720.5513 }, "end": { "local": "2066-05-19T05:15:12+08:00", "utc": "2066-05-18T21:15:12Z", "ms": 3041442911720.5513 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-05-20", "window": { "start": { "local": "2066-05-20T05:14:46+08:00", "utc": "2066-05-19T21:14:46Z", "ms": 3041529286127.877 }, "end": { "local": "2066-05-20T05:14:46+08:00", "utc": "2066-05-19T21:14:46Z", "ms": 3041529286127.877 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:54 on Wed 19 May to 05:23 on Thu 20 May.", "fact": "2066-05-18T20:54:03Z → 2066-05-19T21:23:03Z" }, { "step": "kaala", "text": "Sunrise is at 05:15 on the 19th and 05:15 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 19th and is on the 20th.", "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 497 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Fuzhou, 2066: Thursday 20 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": "2066-05-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Aparā Ekādaśī 2066 falls on Thursday 20 May. Ekādaśī runs from 04:54 on Wed 19 May to 05:23 on Thu 20 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-05-20", "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/2066/pradosha-vrata?on=2066-05-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36734, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-05-21T06:20:44+08:00", "utc": "2066-05-20T22:20:44Z", "ms": 3041619644413.8047 }, "end": { "local": "2066-05-22T07:44:30+08:00", "utc": "2066-05-21T23:44:30Z", "ms": 3041711070268.9263 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-21T06:20:44+08:00", "utc": "2066-05-20T22:20:44Z", "ms": 3041619644413.8047 }, "end": { "local": "2066-05-22T07:44:30+08:00", "utc": "2066-05-21T23:44:30Z", "ms": 3041711070268.9263 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-05-20", "window": { "start": { "local": "2066-05-20T18:44:31+08:00", "utc": "2066-05-20T10:44:31Z", "ms": 3041577871450.2646 }, "end": { "local": "2066-05-20T20:08:30+08:00", "utc": "2066-05-20T12:08:30Z", "ms": 3041582910160.5093 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2066-05-21", "window": { "start": { "local": "2066-05-21T18:45:03+08:00", "utc": "2066-05-21T10:45:03Z", "ms": 3041664303410.709 }, "end": { "local": "2066-05-21T20:08:55+08:00", "utc": "2066-05-21T12:08:55Z", "ms": 3041669334779.0645 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:21 on Fri 21 May to 07:45 on Sat 22 May.", "fact": "2066-05-20T22:20:44Z → 2066-05-21T23:44:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:09 on the 20th, 18:45–20:09 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 84 minutes on the 20th and 84 of 84 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 36734 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2066: Friday 21 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": "2066-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2066 falls on Friday 21 May. Trayodaśī runs from 06:21 on Fri 21 May to 07:45 on Sat 22 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-05-21", "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/2066/shivaratri?on=2066-05-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26459, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-05-22T07:44:30+08:00", "utc": "2066-05-21T23:44:30Z", "ms": 3041711070268.9263 }, "end": { "local": "2066-05-23T09:31:38+08:00", "utc": "2066-05-23T01:31:38Z", "ms": 3041803898059.545 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-22T07:44:30+08:00", "utc": "2066-05-21T23:44:30Z", "ms": 3041711070268.9263 }, "end": { "local": "2066-05-23T09:31:38+08:00", "utc": "2066-05-23T01:31:38Z", "ms": 3041803898059.545 } }, "kaala": "nishita", "days": [ { "local_date": "2066-05-21", "window": { "start": { "local": "2066-05-21T23:35:31+08:00", "utc": "2066-05-21T15:35:31Z", "ms": 3041681731042.042 }, "end": { "local": "2066-05-22T00:23:31+08:00", "utc": "2066-05-21T16:23:31Z", "ms": 3041684611042.042 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-05-22", "window": { "start": { "local": "2066-05-22T23:35:36+08:00", "utc": "2066-05-22T15:35:36Z", "ms": 3041768136007.543 }, "end": { "local": "2066-05-23T00:23:36+08:00", "utc": "2066-05-22T16:23:36Z", "ms": 3041771016007.543 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:45 on Sat 22 May to 09:32 on Sun 23 May.", "fact": "2066-05-21T23:44:30Z → 2066-05-23T01:31:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:36–00:24 on the 21st, 23:36–00:24 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26459 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2066: Saturday 22 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": "2066-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2066 falls on Saturday 22 May. Caturdaśī runs from 07:45 on Sat 22 May to 09:32 on Sun 23 May and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/shivaratri?on=2066-05-22", "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/2066/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15170, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-05-26T16:36:59+08:00", "utc": "2066-05-26T08:36:59Z", "ms": 3042088619155.952 }, "end": { "local": "2066-05-27T19:14:39+08:00", "utc": "2066-05-27T11:14:39Z", "ms": 3042184478572.9907 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-26T16:36:59+08:00", "utc": "2066-05-26T08:36:59Z", "ms": 3042088619155.952 }, "end": { "local": "2066-05-27T19:14:39+08:00", "utc": "2066-05-27T11:14:39Z", "ms": 3042184478572.9907 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-26", "window": { "start": { "local": "2066-05-26T11:36:09+08:00", "utc": "2066-05-26T03:36:09Z", "ms": 3042070569389.5 }, "end": { "local": "2066-05-26T12:24:09+08:00", "utc": "2066-05-26T04:24:09Z", "ms": 3042073449389.5 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-05-27", "window": { "start": { "local": "2066-05-27T11:36:16+08:00", "utc": "2066-05-27T03:36:16Z", "ms": 3042156976205.6836 }, "end": { "local": "2066-05-27T12:24:16+08:00", "utc": "2066-05-27T04:24:16Z", "ms": 3042159856205.6836 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:37 on Wed 26 May to 19:15 on Thu 27 May.", "fact": "2066-05-26T08:36:59Z → 2066-05-27T11:14:39Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15170 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Fuzhou, 2066: Thursday 27 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": "2066-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Rambhā Tṛtīyā 2066 falls on Thursday 27 May. Tṛtīyā runs from 16:37 on Wed 26 May to 19:15 on Thu 27 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-05-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24622, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-05-27T19:14:39+08:00", "utc": "2066-05-27T11:14:39Z", "ms": 3042184478572.9907 }, "end": { "local": "2066-05-28T21:46:12+08:00", "utc": "2066-05-28T13:46:12Z", "ms": 3042279972487.3013 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-27T19:14:39+08:00", "utc": "2066-05-27T11:14:39Z", "ms": 3042184478572.9907 }, "end": { "local": "2066-05-28T21:46:12+08:00", "utc": "2066-05-28T13:46:12Z", "ms": 3042279972487.3013 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-27", "window": { "start": { "local": "2066-05-27T11:36:16+08:00", "utc": "2066-05-27T03:36:16Z", "ms": 3042156976205.6836 }, "end": { "local": "2066-05-27T12:24:16+08:00", "utc": "2066-05-27T04:24:16Z", "ms": 3042159856205.6836 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-05-28", "window": { "start": { "local": "2066-05-28T11:36:23+08:00", "utc": "2066-05-28T03:36:23Z", "ms": 3042243383471.867 }, "end": { "local": "2066-05-28T12:24:23+08:00", "utc": "2066-05-28T04:24:23Z", "ms": 3042246263471.867 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:15 on Thu 27 May to 21:46 on Fri 28 May.", "fact": "2066-05-27T11:14:39Z → 2066-05-28T13:46:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 27th, 11:36–12:24 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24622 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2066: Friday 28 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": "2066-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2066 falls on Friday 28 May. Caturthī runs from 19:15 on Thu 27 May to 21:46 on Fri 28 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/vinayaka-chaturthi?on=2066-05-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35358, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-05-30T00:00:52+08:00", "utc": "2066-05-29T16:00:52Z", "ms": 3042374451644.5635 }, "end": { "local": "2066-05-31T01:47:30+08:00", "utc": "2066-05-30T17:47:30Z", "ms": 3042467249566.492 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-30T00:00:52+08:00", "utc": "2066-05-29T16:00:52Z", "ms": 3042374451644.5635 }, "end": { "local": "2066-05-31T01:47:30+08:00", "utc": "2066-05-30T17:47:30Z", "ms": 3042467249566.492 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-30", "window": { "start": { "local": "2066-05-30T11:36:39+08:00", "utc": "2066-05-30T03:36:39Z", "ms": 3042416199288.501 }, "end": { "local": "2066-05-30T12:24:39+08:00", "utc": "2066-05-30T04:24:39Z", "ms": 3042419079288.501 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-05-31", "window": { "start": { "local": "2066-05-31T11:36:48+08:00", "utc": "2066-05-31T03:36:48Z", "ms": 3042502607805.259 }, "end": { "local": "2066-05-31T12:24:48+08:00", "utc": "2066-05-31T04:24:48Z", "ms": 3042505487805.259 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 00:01 on Sun 30 May to 01:47 on Mon 31 May.", "fact": "2066-05-29T16:00:52Z → 2066-05-30T17:47:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 30th, 11:37–12:25 on the 31st.", "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 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35358 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Fuzhou, 2066: Sunday 30 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": "2066-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Araṇya Gaurī Vrata 2066 falls on Sunday 30 May. Ṣaṣṭhī runs from 00:01 on Sun 30 May to 01:47 on Mon 31 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35358, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-05-30T00:00:52+08:00", "utc": "2066-05-29T16:00:52Z", "ms": 3042374451644.5635 }, "end": { "local": "2066-05-31T01:47:30+08:00", "utc": "2066-05-30T17:47:30Z", "ms": 3042467249566.492 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-30T00:00:52+08:00", "utc": "2066-05-29T16:00:52Z", "ms": 3042374451644.5635 }, "end": { "local": "2066-05-31T01:47:30+08:00", "utc": "2066-05-30T17:47:30Z", "ms": 3042467249566.492 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-30", "window": { "start": { "local": "2066-05-30T11:36:39+08:00", "utc": "2066-05-30T03:36:39Z", "ms": 3042416199288.501 }, "end": { "local": "2066-05-30T12:24:39+08:00", "utc": "2066-05-30T04:24:39Z", "ms": 3042419079288.501 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-05-31", "window": { "start": { "local": "2066-05-31T11:36:48+08:00", "utc": "2066-05-31T03:36:48Z", "ms": 3042502607805.259 }, "end": { "local": "2066-05-31T12:24:48+08:00", "utc": "2066-05-31T04:24:48Z", "ms": 3042505487805.259 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 00:01 on Sun 30 May to 01:47 on Mon 31 May.", "fact": "2066-05-29T16:00:52Z → 2066-05-30T17:47:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 30th, 11:37–12:25 on the 31st.", "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 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35358 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Fuzhou, 2066: Sunday 30 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": "2066-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2066 falls on Sunday 30 May. Ṣaṣṭhī runs from 00:01 on Sun 30 May to 01:47 on Mon 31 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-06-04", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12676, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-06-04T01:39:36+08:00", "utc": "2066-06-03T17:39:36Z", "ms": 3042812376181.4473 }, "end": { "local": "2066-06-04T23:39:32+08:00", "utc": "2066-06-04T15:39:32Z", "ms": 3042891571552.846 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-04T01:39:36+08:00", "utc": "2066-06-03T17:39:36Z", "ms": 3042812376181.4473 }, "end": { "local": "2066-06-04T23:39:32+08:00", "utc": "2066-06-04T15:39:32Z", "ms": 3042891571552.846 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-06-04", "window": { "start": { "local": "2066-06-04T05:10:52+08:00", "utc": "2066-06-03T21:10:52Z", "ms": 3042825052224.844 }, "end": { "local": "2066-06-04T05:10:52+08:00", "utc": "2066-06-03T21:10:52Z", "ms": 3042825052224.844 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-06-05", "window": { "start": { "local": "2066-06-05T05:10:47+08:00", "utc": "2066-06-04T21:10:47Z", "ms": 3042911446563.619 }, "end": { "local": "2066-06-05T05:10:47+08:00", "utc": "2066-06-04T21:10:47Z", "ms": 3042911446563.619 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:40 on Fri 4 Jun to 23:40 on Fri 4 Jun.", "fact": "2066-06-03T17:39:36Z → 2066-06-04T15:39:32Z" }, { "step": "kaala", "text": "Sunrise is at 05:11 on the 4th and 05:11 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12676 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Fuzhou, 2066: Friday 4 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": "2066-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Nirjalā Ekādaśī 2066 falls on Friday 4 June. Ekādaśī runs from 01:40 on Fri 4 Jun to 23:40 on Fri 4 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-06-04", "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/2066/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30868, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-06-04T23:39:32+08:00", "utc": "2066-06-04T15:39:32Z", "ms": 3042891571552.846 }, "end": { "local": "2066-06-05T21:00:04+08:00", "utc": "2066-06-05T13:00:04Z", "ms": 3042968404080.228 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-04T23:39:32+08:00", "utc": "2066-06-04T15:39:32Z", "ms": 3042891571552.846 }, "end": { "local": "2066-06-05T21:00:04+08:00", "utc": "2066-06-05T13:00:04Z", "ms": 3042968404080.228 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-06-04", "window": { "start": { "local": "2066-06-04T11:37:26+08:00", "utc": "2066-06-04T03:37:26Z", "ms": 3042848245529.4014 }, "end": { "local": "2066-06-04T12:25:26+08:00", "utc": "2066-06-04T04:25:26Z", "ms": 3042851125529.4014 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-06-05", "window": { "start": { "local": "2066-06-05T11:37:36+08:00", "utc": "2066-06-05T03:37:36Z", "ms": 3042934655790.718 }, "end": { "local": "2066-06-05T12:25:36+08:00", "utc": "2066-06-05T04:25:36Z", "ms": 3042937535790.718 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:40 on Fri 4 Jun to 21:00 on Sat 5 Jun.", "fact": "2066-06-04T15:39:32Z → 2066-06-05T13:00:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 4th, 11:38–12:26 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30868 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Fuzhou, 2066: Saturday 5 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": "2066-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Rāma Dvādaśī 2066 falls on Saturday 5 June. Dvādaśī runs from 23:40 on Fri 4 Jun to 21:00 on Sat 5 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/pradosha-vrata?on=2066-06-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-06-05", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2713, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-06-05T21:00:04+08:00", "utc": "2066-06-05T13:00:04Z", "ms": 3042968404080.228 }, "end": { "local": "2066-06-06T17:49:19+08:00", "utc": "2066-06-06T09:49:19Z", "ms": 3043043358906.8496 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-05T21:00:04+08:00", "utc": "2066-06-05T13:00:04Z", "ms": 3042968404080.228 }, "end": { "local": "2066-06-06T17:49:19+08:00", "utc": "2066-06-06T09:49:19Z", "ms": 3043043358906.8496 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-06-05", "window": { "start": { "local": "2066-06-05T18:52:25+08:00", "utc": "2066-06-05T10:52:25Z", "ms": 3042960745017.817 }, "end": { "local": "2066-06-05T20:14:51+08:00", "utc": "2066-06-05T12:14:51Z", "ms": 3042965691298.0493 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2066-06-06", "window": { "start": { "local": "2066-06-06T18:52:51+08:00", "utc": "2066-06-06T10:52:51Z", "ms": 3043047170584.697 }, "end": { "local": "2066-06-06T20:15:13+08:00", "utc": "2066-06-06T12:15:13Z", "ms": 3043052113025.0063 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:00 on Sat 5 Jun to 17:49 on Sun 6 Jun.", "fact": "2066-06-05T13:00:04Z → 2066-06-06T09:49:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:15 on the 5th, 18:53–20:15 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 82 minutes on the 5th and 0 of 82 on the 6th.", "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 2713 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2066: Saturday 5 June.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-06-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-05", "confidence": "boundary" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2066 falls on Saturday 5 June. Trayodaśī runs from 21:00 on Sat 5 Jun to 17:49 on Sun 6 Jun, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-06-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16604, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-06-07T14:16:32+08:00", "utc": "2066-06-07T06:16:32Z", "ms": 3043116991907.2075 }, "end": { "local": "2066-06-08T10:31:34+08:00", "utc": "2066-06-08T02:31:34Z", "ms": 3043189894160.7915 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-07T14:16:32+08:00", "utc": "2066-06-07T06:16:32Z", "ms": 3043116991907.2075 }, "end": { "local": "2066-06-08T10:31:34+08:00", "utc": "2066-06-08T02:31:34Z", "ms": 3043189894160.7915 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-06-07", "window": { "start": { "local": "2066-06-07T18:53:16+08:00", "utc": "2066-06-07T10:53:16Z", "ms": 3043133595510.1187 }, "end": { "local": "2066-06-07T20:15:34+08:00", "utc": "2066-06-07T12:15:34Z", "ms": 3043138534356.816 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2066-06-08", "window": { "start": { "local": "2066-06-08T18:53:40+08:00", "utc": "2066-06-08T10:53:40Z", "ms": 3043220019770.2275 }, "end": { "local": "2066-06-08T20:15:55+08:00", "utc": "2066-06-08T12:15:55Z", "ms": 3043224955272.0376 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:17 on Mon 7 Jun to 10:32 on Tue 8 Jun.", "fact": "2066-06-07T06:16:32Z → 2066-06-08T02:31:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:16 on the 7th, 18:54–20:16 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 82 of 82 minutes on the 7th and 0 of 82 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16604 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Fuzhou, 2066: Monday 7 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": "2066-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Vaṭa Sāvitrī Vrata 2066 falls on Monday 7 June. Pūrṇimā runs from 14:17 on Mon 7 Jun to 10:32 on Tue 8 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/sankashta-chaturthi?on=2066-06-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-06-10", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 4541, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-06-10T23:42:08+08:00", "utc": "2066-06-10T15:42:08Z", "ms": 3043410127750.0034 }, "end": { "local": "2066-06-11T20:44:40+08:00", "utc": "2066-06-11T12:44:40Z", "ms": 3043485880293.5923 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-10T23:42:08+08:00", "utc": "2066-06-10T15:42:08Z", "ms": 3043410127750.0034 }, "end": { "local": "2066-06-11T20:44:40+08:00", "utc": "2066-06-11T12:44:40Z", "ms": 3043485880293.5923 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-06-10", "window": { "start": { "local": "2066-06-10T21:13:53+08:00", "utc": "2066-06-10T13:13:53Z", "ms": 3043401232746.383 }, "end": { "local": "2066-06-10T21:13:53+08:00", "utc": "2066-06-10T13:13:53Z", "ms": 3043401232746.383 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-06-11", "window": { "start": { "local": "2066-06-11T22:00:21+08:00", "utc": "2066-06-11T14:00:21Z", "ms": 3043490421026.2124 }, "end": { "local": "2066-06-11T22:00:21+08:00", "utc": "2066-06-11T14:00:21Z", "ms": 3043490421026.2124 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:42 on Thu 10 Jun to 20:45 on Fri 11 Jun.", "fact": "2066-06-10T15:42:08Z → 2066-06-11T12:44:40Z" }, { "step": "kaala", "text": "Moonrise is at 21:14 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 not on the 11th.", "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 4541 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2066: Thursday 10 June.", "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": "2066-06-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-10", "confidence": "boundary" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2066 falls on Thursday 10 June. Caturthī runs from 23:42 on Thu 10 Jun to 20:45 on Fri 11 Jun, and is current at moonrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/sankashta-chaturthi?on=2066-06-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/ekadashi?on=2066-06-18", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40347, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-06-17T16:23:38+08:00", "utc": "2066-06-17T08:23:38Z", "ms": 3043988618196.5356 }, "end": { "local": "2066-06-18T17:55:01+08:00", "utc": "2066-06-18T09:55:01Z", "ms": 3044080500678.0483 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-17T16:23:38+08:00", "utc": "2066-06-17T08:23:38Z", "ms": 3043988618196.5356 }, "end": { "local": "2066-06-18T17:55:01+08:00", "utc": "2066-06-18T09:55:01Z", "ms": 3044080500678.0483 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-06-17", "window": { "start": { "local": "2066-06-17T05:11:12+08:00", "utc": "2066-06-16T21:11:12Z", "ms": 3043948271552.721 }, "end": { "local": "2066-06-17T05:11:12+08:00", "utc": "2066-06-16T21:11:12Z", "ms": 3043948271552.721 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-06-18", "window": { "start": { "local": "2066-06-18T05:11:21+08:00", "utc": "2066-06-17T21:11:21Z", "ms": 3044034681040.802 }, "end": { "local": "2066-06-18T05:11:21+08:00", "utc": "2066-06-17T21:11:21Z", "ms": 3044034681040.802 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:24 on Thu 17 Jun to 17:55 on Fri 18 Jun.", "fact": "2066-06-17T08:23:38Z → 2066-06-18T09:55:01Z" }, { "step": "kaala", "text": "Sunrise is at 05:11 on the 17th and 05:11 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 40347 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Fuzhou, 2066: Friday 18 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": "2066-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Yoginī Ekādaśī 2066 falls on Friday 18 June. Ekādaśī runs from 16:24 on Thu 17 Jun to 17:55 on Fri 18 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-06-18", "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/2066/pradosha-vrata?on=2066-06-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-06-20", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1570, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-06-19T19:53:02+08:00", "utc": "2066-06-19T11:53:02Z", "ms": 3044173981515.729 }, "end": { "local": "2066-06-20T22:10:36+08:00", "utc": "2066-06-20T14:10:36Z", "ms": 3044268636092.981 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-19T19:53:02+08:00", "utc": "2066-06-19T11:53:02Z", "ms": 3044173981515.729 }, "end": { "local": "2066-06-20T22:10:36+08:00", "utc": "2066-06-20T14:10:36Z", "ms": 3044268636092.981 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-06-19", "window": { "start": { "local": "2066-06-19T18:57:15+08:00", "utc": "2066-06-19T10:57:15Z", "ms": 3044170635463.3765 }, "end": { "local": "2066-06-19T20:19:11+08:00", "utc": "2066-06-19T12:19:11Z", "ms": 3044175551155.4204 } }, "covered_min": 26, "window_min": 82, "qualifies": true }, { "local_date": "2066-06-20", "window": { "start": { "local": "2066-06-20T18:57:30+08:00", "utc": "2066-06-20T10:57:30Z", "ms": 3044257049712.528 }, "end": { "local": "2066-06-20T20:19:25+08:00", "utc": "2066-06-20T12:19:25Z", "ms": 3044261965181.1606 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:53 on Sat 19 Jun to 22:11 on Sun 20 Jun.", "fact": "2066-06-19T11:53:02Z → 2066-06-20T14:10:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:19 on the 19th, 18:57–20:19 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 26 of 82 minutes on the 19th and 82 of 82 on the 20th.", "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 1570 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2066: Sunday 20 June.", "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": "2066-06-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-20", "confidence": "boundary" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2066 falls on Sunday 20 June. Trayodaśī runs from 19:53 on Sat 19 Jun to 22:11 on Sun 20 Jun and covers all of pradoṣa that evening. It also reaches the previous evening for 26 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/2066/pradosha-vrata?on=2066-06-20", "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/2066/shivaratri?on=2066-06-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-06-20", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 699, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-06-20T22:10:36+08:00", "utc": "2066-06-20T14:10:36Z", "ms": 3044268636092.981 }, "end": { "local": "2066-06-22T00:40:35+08:00", "utc": "2066-06-21T16:40:35Z", "ms": 3044364034828.684 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-20T22:10:36+08:00", "utc": "2066-06-20T14:10:36Z", "ms": 3044268636092.981 }, "end": { "local": "2066-06-22T00:40:35+08:00", "utc": "2066-06-21T16:40:35Z", "ms": 3044364034828.684 } }, "kaala": "nishita", "days": [ { "local_date": "2066-06-20", "window": { "start": { "local": "2066-06-20T23:40:43+08:00", "utc": "2066-06-20T15:40:43Z", "ms": 3044274042719.9004 }, "end": { "local": "2066-06-21T00:28:43+08:00", "utc": "2066-06-20T16:28:43Z", "ms": 3044276922719.9004 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-06-21", "window": { "start": { "local": "2066-06-21T23:40:56+08:00", "utc": "2066-06-21T15:40:56Z", "ms": 3044360456112.29 }, "end": { "local": "2066-06-22T00:28:56+08:00", "utc": "2066-06-21T16:28:56Z", "ms": 3044363336112.29 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:11 on Sun 20 Jun to 00:41 on Tue 22 Jun.", "fact": "2066-06-20T14:10:36Z → 2066-06-21T16:40:35Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 20th, 23:41–00:29 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 699 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2066: Sunday 20 June.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-06-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-21", "confidence": "boundary" } ], "quote": "In Fuzhou, Śivarātri 2066 falls on Sunday 20 June. Caturdaśī runs from 22:11 on Sun 20 Jun to 00:41 on Tue 22 Jun and covers all of niśītha that night. It also reaches the next night for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/2066/shivaratri?on=2066-06-20", "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/2066/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12389, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2066-06-24T05:49:47+08:00", "utc": "2066-06-23T21:49:47Z", "ms": 3044555387394.463 }, "end": { "local": "2066-06-25T08:15:11+08:00", "utc": "2066-06-25T00:15:11Z", "ms": 3044650511454.792 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-24T05:49:47+08:00", "utc": "2066-06-23T21:49:47Z", "ms": 3044555387394.463 }, "end": { "local": "2066-06-25T08:15:11+08:00", "utc": "2066-06-25T00:15:11Z", "ms": 3044650511454.792 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-06-24", "window": { "start": { "local": "2066-06-24T11:41:28+08:00", "utc": "2066-06-24T03:41:28Z", "ms": 3044576487749.856 }, "end": { "local": "2066-06-24T12:29:28+08:00", "utc": "2066-06-24T04:29:28Z", "ms": 3044579367749.856 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-06-25", "window": { "start": { "local": "2066-06-25T11:41:40+08:00", "utc": "2066-06-25T03:41:40Z", "ms": 3044662900363.093 }, "end": { "local": "2066-06-25T12:29:40+08:00", "utc": "2066-06-25T04:29:40Z", "ms": 3044665780363.093 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 05:50 on Thu 24 Jun to 08:15 on Fri 25 Jun.", "fact": "2066-06-23T21:49:47Z → 2066-06-25T00:15:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 24th, 11:42–12:30 on the 25th.", "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 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12389 s" }, { "step": "ruling", "text": "Rathayātrā, Fuzhou, 2066: Thursday 24 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": "2066-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Rathayātrā 2066 falls on Thursday 24 June. Dvitīyā runs from 05:50 on Thu 24 Jun to 08:15 on Fri 25 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-06-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-06-26", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1066, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-06-26T10:25:05+08:00", "utc": "2066-06-26T02:25:05Z", "ms": 3044744704560.316 }, "end": { "local": "2066-06-27T12:12:19+08:00", "utc": "2066-06-27T04:12:19Z", "ms": 3044837538884.7173 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-26T10:25:05+08:00", "utc": "2066-06-26T02:25:05Z", "ms": 3044744704560.316 }, "end": { "local": "2066-06-27T12:12:19+08:00", "utc": "2066-06-27T04:12:19Z", "ms": 3044837538884.7173 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-06-26", "window": { "start": { "local": "2066-06-26T11:41:53+08:00", "utc": "2066-06-26T03:41:53Z", "ms": 3044749312836.379 }, "end": { "local": "2066-06-26T12:29:53+08:00", "utc": "2066-06-26T04:29:53Z", "ms": 3044752192836.379 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-06-27", "window": { "start": { "local": "2066-06-27T11:42:05+08:00", "utc": "2066-06-27T03:42:05Z", "ms": 3044835725143.5522 }, "end": { "local": "2066-06-27T12:30:05+08:00", "utc": "2066-06-27T04:30:05Z", "ms": 3044838605143.5522 } }, "covered_min": 30, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:25 on Sat 26 Jun to 12:12 on Sun 27 Jun.", "fact": "2066-06-26T02:25:05Z → 2066-06-27T04:12:19Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 30 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 1066 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2066: Saturday 26 June.", "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": "2066-06-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-26", "confidence": "boundary" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2066 falls on Saturday 26 June. Caturthī runs from 10:25 on Sat 26 Jun to 12:12 on Sun 27 Jun and covers all of madhyāhna that midday. It also reaches the next midday for 30 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/2066/vinayaka-chaturthi?on=2066-06-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1066, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-06-27T12:12:19+08:00", "utc": "2066-06-27T04:12:19Z", "ms": 3044837538884.7173 }, "end": { "local": "2066-06-28T13:30:04+08:00", "utc": "2066-06-28T05:30:04Z", "ms": 3044928603773.418 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-27T12:12:19+08:00", "utc": "2066-06-27T04:12:19Z", "ms": 3044837538884.7173 }, "end": { "local": "2066-06-28T13:30:04+08:00", "utc": "2066-06-28T05:30:04Z", "ms": 3044928603773.418 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-06-27", "window": { "start": { "local": "2066-06-27T11:42:05+08:00", "utc": "2066-06-27T03:42:05Z", "ms": 3044835725143.5522 }, "end": { "local": "2066-06-27T12:30:05+08:00", "utc": "2066-06-27T04:30:05Z", "ms": 3044838605143.5522 } }, "covered_min": 18, "window_min": 48, "qualifies": true }, { "local_date": "2066-06-28", "window": { "start": { "local": "2066-06-28T11:42:17+08:00", "utc": "2066-06-28T03:42:17Z", "ms": 3044922137259.035 }, "end": { "local": "2066-06-28T12:30:17+08:00", "utc": "2066-06-28T04:30:17Z", "ms": 3044925017259.035 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:12 on Sun 27 Jun to 13:30 on Mon 28 Jun.", "fact": "2066-06-27T04:12:19Z → 2066-06-28T05:30:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 27th, 11:42–12:30 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 18 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1066 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Fuzhou, 2066: Monday 28 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": "2066-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-28", "confidence": "boundary" } ], "quote": "In Fuzhou, Skanda Pañcamī 2066 falls on Monday 28 June. Pañcamī runs from 12:12 on Sun 27 Jun to 13:30 on Mon 28 Jun and covers all of madhyāhna that midday. It also reaches the previous midday for 18 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6111, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-06-29T14:12:20+08:00", "utc": "2066-06-29T06:12:20Z", "ms": 3045017540293.987 }, "end": { "local": "2066-06-30T14:14:41+08:00", "utc": "2066-06-30T06:14:41Z", "ms": 3045104080996.583 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-29T14:12:20+08:00", "utc": "2066-06-29T06:12:20Z", "ms": 3045017540293.987 }, "end": { "local": "2066-06-30T14:14:41+08:00", "utc": "2066-06-30T06:14:41Z", "ms": 3045104080996.583 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-06-29", "window": { "start": { "local": "2066-06-29T11:42:29+08:00", "utc": "2066-06-29T03:42:29Z", "ms": 3045008549157.9727 }, "end": { "local": "2066-06-29T12:30:29+08:00", "utc": "2066-06-29T04:30:29Z", "ms": 3045011429157.9727 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-06-30", "window": { "start": { "local": "2066-06-30T11:42:41+08:00", "utc": "2066-06-30T03:42:41Z", "ms": 3045094960816.383 }, "end": { "local": "2066-06-30T12:30:41+08:00", "utc": "2066-06-30T04:30:41Z", "ms": 3045097840816.383 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:12 on Tue 29 Jun to 14:15 on Wed 30 Jun.", "fact": "2066-06-29T06:12:20Z → 2066-06-30T06:14:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 29th, 11:43–12:31 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6111 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Fuzhou, 2066: Wednesday 30 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": "2066-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Vivasvat Saptamī 2066 falls on Wednesday 30 June. Saptamī runs from 14:12 on Tue 29 Jun to 14:15 on Wed 30 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-07-04", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8225, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-07-03T10:10:24+08:00", "utc": "2066-07-03T02:10:24Z", "ms": 3045348624036.9067 }, "end": { "local": "2066-07-04T07:33:02+08:00", "utc": "2066-07-03T23:33:02Z", "ms": 3045425582324.9893 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-07-03T10:10:24+08:00", "utc": "2066-07-03T02:10:24Z", "ms": 3045348624036.9067 }, "end": { "local": "2066-07-04T07:33:02+08:00", "utc": "2066-07-03T23:33:02Z", "ms": 3045425582324.9893 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-07-03", "window": { "start": { "local": "2066-07-03T05:15:34+08:00", "utc": "2066-07-02T21:15:34Z", "ms": 3045330934250.205 }, "end": { "local": "2066-07-03T05:15:34+08:00", "utc": "2066-07-02T21:15:34Z", "ms": 3045330934250.205 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-07-04", "window": { "start": { "local": "2066-07-04T05:15:57+08:00", "utc": "2066-07-03T21:15:57Z", "ms": 3045417357185.2104 }, "end": { "local": "2066-07-04T05:15:57+08:00", "utc": "2066-07-03T21:15:57Z", "ms": 3045417357185.2104 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:10 on Sat 3 Jul to 07:33 on Sun 4 Jul.", "fact": "2066-07-03T02:10:24Z → 2066-07-03T23:33:02Z" }, { "step": "kaala", "text": "Sunrise is at 05:16 on the 3rd and 05:16 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8225 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Fuzhou, 2066: Sunday 4 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": "2066-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Hariśayanī Ekādaśī 2066 falls on Sunday 4 July. Ekādaśī runs from 10:10 on Sat 3 Jul to 07:33 on Sun 4 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-07-04", "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/2066/pradosha-vrata?on=2066-07-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16681, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-07-05T04:26:45+08:00", "utc": "2066-07-04T20:26:45Z", "ms": 3045500805024.815 }, "end": { "local": "2066-07-06T00:59:13+08:00", "utc": "2066-07-05T16:59:13Z", "ms": 3045574752908.4175 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-07-05T04:26:45+08:00", "utc": "2066-07-04T20:26:45Z", "ms": 3045500805024.815 }, "end": { "local": "2066-07-06T00:59:13+08:00", "utc": "2066-07-05T16:59:13Z", "ms": 3045574752908.4175 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-07-04", "window": { "start": { "local": "2066-07-04T18:58:52+08:00", "utc": "2066-07-04T10:58:52Z", "ms": 3045466732026.124 }, "end": { "local": "2066-07-04T20:21:12+08:00", "utc": "2066-07-04T12:21:12Z", "ms": 3045471671850.7646 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2066-07-05", "window": { "start": { "local": "2066-07-05T18:58:49+08:00", "utc": "2066-07-05T10:58:49Z", "ms": 3045553128778.266 }, "end": { "local": "2066-07-05T20:21:12+08:00", "utc": "2066-07-05T12:21:12Z", "ms": 3045558072248.001 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:27 on Mon 5 Jul to 00:59 on Tue 6 Jul.", "fact": "2066-07-04T20:26:45Z → 2066-07-05T16:59:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:21 on the 4th, 18:59–20:21 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 4th and 82 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 16681 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2066: Monday 5 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": "2066-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2066 falls on Monday 5 July. Trayodaśī runs from 04:27 on Mon 5 Jul to 00:59 on Tue 6 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-07-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-06", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3471, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-07-06T21:19:03+08:00", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T17:35:28+08:00", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-07-06T21:19:03+08:00", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T17:35:28+08:00", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-07-06", "window": { "start": { "local": "2066-07-06T18:58:44+08:00", "utc": "2066-07-06T10:58:44Z", "ms": 3045639524252.3115 }, "end": { "local": "2066-07-06T20:21:12+08:00", "utc": "2066-07-06T12:21:12Z", "ms": 3045644471609.534 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2066-07-07", "window": { "start": { "local": "2066-07-07T18:58:38+08:00", "utc": "2066-07-07T10:58:38Z", "ms": 3045725918444.827 }, "end": { "local": "2066-07-07T20:21:10+08:00", "utc": "2066-07-07T12:21:10Z", "ms": 3045730869929.243 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:19 on Tue 6 Jul to 17:35 on Wed 7 Jul.", "fact": "2066-07-06T13:19:03Z → 2066-07-07T09:35:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:21 on the 6th, 18:59–20:21 on the 7th.", "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 6th and 0 of 83 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 3471 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Fuzhou, 2066: Tuesday 6 July.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2066-07-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-06", "confidence": "boundary" } ], "quote": "In Fuzhou, Śiva Śayanotsava 2066 falls on Tuesday 6 July. Pūrṇimā runs from 21:19 on Tue 6 Jul to 17:35 on Wed 7 Jul, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28687, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-07-06T21:19:03+08:00", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T17:35:28+08:00", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-07-06T21:19:03+08:00", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T17:35:28+08:00", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 } }, "kaala": "udaya-3", "days": [ { "local_date": "2066-07-07", "window": { "start": { "local": "2066-07-07T05:17:09+08:00", "utc": "2066-07-06T21:17:09Z", "ms": 3045676629431.482 }, "end": { "local": "2066-07-07T08:01:27+08:00", "utc": "2066-07-07T00:01:27Z", "ms": 3045686487234.151 } }, "covered_min": 164, "window_min": 164, "qualifies": true }, { "local_date": "2066-07-08", "window": { "start": { "local": "2066-07-08T05:17:35+08:00", "utc": "2066-07-07T21:17:35Z", "ms": 3045763054577.9487 }, "end": { "local": "2066-07-08T08:01:46+08:00", "utc": "2066-07-08T00:01:46Z", "ms": 3045772905933.0454 } }, "covered_min": 0, "window_min": 164, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:19 on Tue 6 Jul to 17:35 on Wed 7 Jul.", "fact": "2066-07-06T13:19:03Z → 2066-07-07T09:35:28Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:17–08:01 on the 7th, 05:18–08:02 on the 8th.", "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 164 of 164 minutes on the 7th and 0 of 164 on the 8th.", "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 28687 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Fuzhou, 2066: Wednesday 7 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": "2066-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Vyāsa Pūjā 2066 falls on Wednesday 7 July. Pūrṇimā runs from 21:19 on Tue 6 Jul to 17:35 on Wed 7 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18214, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-07-06T21:19:03+08:00", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T17:35:28+08:00", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-07-06T21:19:03+08:00", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T17:35:28+08:00", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-07-06", "window": { "start": { "local": "2066-07-06T11:43:45+08:00", "utc": "2066-07-06T03:43:45Z", "ms": 3045613424526.794 }, "end": { "local": "2066-07-06T12:31:45+08:00", "utc": "2066-07-06T04:31:45Z", "ms": 3045616304526.794 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-07-07", "window": { "start": { "local": "2066-07-07T11:43:54+08:00", "utc": "2066-07-07T03:43:54Z", "ms": 3045699833938.1543 }, "end": { "local": "2066-07-07T12:31:54+08:00", "utc": "2066-07-07T04:31:54Z", "ms": 3045702713938.1543 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:19 on Tue 6 Jul to 17:35 on Wed 7 Jul.", "fact": "2066-07-06T13:19:03Z → 2066-07-07T09:35:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 6th, 11:44–12:32 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18214 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Fuzhou, 2066: Wednesday 7 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": "2066-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Guru Pūrṇimā 2066 falls on Wednesday 7 July. Pūrṇimā runs from 21:19 on Tue 6 Jul to 17:35 on Wed 7 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4867, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-07-06T21:19:03+08:00", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T17:35:28+08:00", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-07-06T21:19:03+08:00", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T17:35:28+08:00", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 } }, "kaala": "sayahna", "days": [ { "local_date": "2066-07-06", "window": { "start": { "local": "2066-07-06T16:14:20+08:00", "utc": "2066-07-06T08:14:20Z", "ms": 3045629660362.1045 }, "end": { "local": "2066-07-06T18:58:44+08:00", "utc": "2066-07-06T10:58:44Z", "ms": 3045639524252.3115 } }, "covered_min": 0, "window_min": 164, "qualifies": false }, { "local_date": "2066-07-07", "window": { "start": { "local": "2066-07-07T16:14:21+08:00", "utc": "2066-07-07T08:14:21Z", "ms": 3045716060642.158 }, "end": { "local": "2066-07-07T18:58:38+08:00", "utc": "2066-07-07T10:58:38Z", "ms": 3045725918444.827 } }, "covered_min": 81, "window_min": 164, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:19 on Tue 6 Jul to 17:35 on Wed 7 Jul.", "fact": "2066-07-06T13:19:03Z → 2066-07-07T09:35:28Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:14–18:59 on the 6th, 16:14–18:59 on the 7th.", "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 164 minutes on the 6th and 81 of 164 on the 7th.", "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 4867 s" }, { "step": "ruling", "text": "Kokilā Vrata, Fuzhou, 2066: Wednesday 7 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": "2066-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Kokilā Vrata 2066 falls on Wednesday 7 July. Pūrṇimā runs from 21:19 on Tue 6 Jul to 17:35 on Wed 7 Jul and covers 81 of 164 minutes of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21090, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2066-07-08T13:57:59+08:00", "utc": "2066-07-08T05:57:59Z", "ms": 3045794279211.624 }, "end": { "local": "2066-07-09T10:36:09+08:00", "utc": "2066-07-09T02:36:09Z", "ms": 3045868569226.1943 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-08T13:57:59+08:00", "utc": "2066-07-08T05:57:59Z", "ms": 3045794279211.624 }, "end": { "local": "2066-07-09T10:36:09+08:00", "utc": "2066-07-09T02:36:09Z", "ms": 3045868569226.1943 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-07-08", "window": { "start": { "local": "2066-07-08T19:49:30+08:00", "utc": "2066-07-08T11:49:30Z", "ms": 3045815369582.7344 }, "end": { "local": "2066-07-08T19:49:30+08:00", "utc": "2066-07-08T11:49:30Z", "ms": 3045815369582.7344 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-07-09", "window": { "start": { "local": "2066-07-09T20:34:03+08:00", "utc": "2066-07-09T12:34:03Z", "ms": 3045904443115.8584 }, "end": { "local": "2066-07-09T20:34:03+08:00", "utc": "2066-07-09T12:34:03Z", "ms": 3045904443115.8584 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 13:58 on Thu 8 Jul to 10:36 on Fri 9 Jul.", "fact": "2066-07-08T05:57:59Z → 2066-07-09T02:36:09Z" }, { "step": "kaala", "text": "Moonrise is at 19:49 on the 8th and 20:34 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21090 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Fuzhou, 2066: Thursday 8 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": "2066-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata (Āṣāḍha) 2066 falls on Thursday 8 July. Dvitīyā runs from 13:58 on Thu 8 Jul to 10:36 on Fri 9 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/sankashta-chaturthi?on=2066-07-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28911, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-07-10T07:39:12+08:00", "utc": "2066-07-09T23:39:12Z", "ms": 3045944351782.579 }, "end": { "local": "2066-07-11T05:15:36+08:00", "utc": "2066-07-10T21:15:36Z", "ms": 3046022135918.424 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-10T07:39:12+08:00", "utc": "2066-07-09T23:39:12Z", "ms": 3045944351782.579 }, "end": { "local": "2066-07-11T05:15:36+08:00", "utc": "2066-07-10T21:15:36Z", "ms": 3046022135918.424 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-07-09", "window": { "start": { "local": "2066-07-09T20:34:03+08:00", "utc": "2066-07-09T12:34:03Z", "ms": 3045904443115.8584 }, "end": { "local": "2066-07-09T20:34:03+08:00", "utc": "2066-07-09T12:34:03Z", "ms": 3045904443115.8584 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-07-10", "window": { "start": { "local": "2066-07-10T21:13:45+08:00", "utc": "2066-07-10T13:13:45Z", "ms": 3045993224980.3867 }, "end": { "local": "2066-07-10T21:13:45+08:00", "utc": "2066-07-10T13:13:45Z", "ms": 3045993224980.3867 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:39 on Sat 10 Jul to 05:16 on Sun 11 Jul.", "fact": "2066-07-09T23:39:12Z → 2066-07-10T21:15:36Z" }, { "step": "kaala", "text": "Moonrise is at 20:34 on the 9th and 21:14 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28911 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2066: Saturday 10 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": "2066-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2066 falls on Saturday 10 July. Caturthī runs from 07:39 on Sat 10 Jul to 05:16 on Sun 11 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/sankashta-chaturthi?on=2066-07-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/ekadashi?on=2066-07-18", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3457, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-07-17T06:19:18+08:00", "utc": "2066-07-16T22:19:18Z", "ms": 3046544357528.9106 }, "end": { "local": "2066-07-18T08:39:09+08:00", "utc": "2066-07-18T00:39:09Z", "ms": 3046639148765.6216 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-17T06:19:18+08:00", "utc": "2066-07-16T22:19:18Z", "ms": 3046544357528.9106 }, "end": { "local": "2066-07-18T08:39:09+08:00", "utc": "2066-07-18T00:39:09Z", "ms": 3046639148765.6216 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-07-17", "window": { "start": { "local": "2066-07-17T05:21:40+08:00", "utc": "2066-07-16T21:21:40Z", "ms": 3046540900178.8857 }, "end": { "local": "2066-07-17T05:21:40+08:00", "utc": "2066-07-16T21:21:40Z", "ms": 3046540900178.8857 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-07-18", "window": { "start": { "local": "2066-07-18T05:22:09+08:00", "utc": "2066-07-17T21:22:09Z", "ms": 3046627329126.9204 }, "end": { "local": "2066-07-18T05:22:09+08:00", "utc": "2066-07-17T21:22:09Z", "ms": 3046627329126.9204 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:19 on Sat 17 Jul to 08:39 on Sun 18 Jul.", "fact": "2066-07-16T22:19:18Z → 2066-07-18T00:39:09Z" }, { "step": "kaala", "text": "Sunrise is at 05:22 on the 17th and 05:22 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3457 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Fuzhou, 2066: Sunday 18 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": "2066-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmikā Ekādaśī 2066 falls on Sunday 18 July. Ekādaśī runs from 06:19 on Sat 17 Jul to 08:39 on Sun 18 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-07-18", "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/2066/pradosha-vrata?on=2066-07-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18398, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-07-19T11:12:33+08:00", "utc": "2066-07-19T03:12:33Z", "ms": 3046734753059.5957 }, "end": { "local": "2066-07-20T13:48:48+08:00", "utc": "2066-07-20T05:48:48Z", "ms": 3046830527577.126 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-19T11:12:33+08:00", "utc": "2066-07-19T03:12:33Z", "ms": 3046734753059.5957 }, "end": { "local": "2066-07-20T13:48:48+08:00", "utc": "2066-07-20T05:48:48Z", "ms": 3046830527577.126 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-07-19", "window": { "start": { "local": "2066-07-19T18:55:48+08:00", "utc": "2066-07-19T10:55:48Z", "ms": 3046762548402.216 }, "end": { "local": "2066-07-19T20:19:27+08:00", "utc": "2066-07-19T12:19:27Z", "ms": 3046767566972.6104 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "2066-07-20", "window": { "start": { "local": "2066-07-20T18:55:26+08:00", "utc": "2066-07-20T10:55:26Z", "ms": 3046848925883.4717 }, "end": { "local": "2066-07-20T20:19:11+08:00", "utc": "2066-07-20T12:19:11Z", "ms": 3046853951396.188 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:13 on Mon 19 Jul to 13:49 on Tue 20 Jul.", "fact": "2066-07-19T03:12:33Z → 2066-07-20T05:48:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:19 on the 19th, 18:55–20:19 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 84 of 84 minutes on the 19th and 0 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 18398 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2066: Monday 19 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": "2066-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2066 falls on Monday 19 July. Trayodaśī runs from 11:13 on Mon 19 Jul to 13:49 on Tue 20 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-07-19", "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/2066/shivaratri?on=2066-07-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26820, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-07-20T13:48:48+08:00", "utc": "2066-07-20T05:48:48Z", "ms": 3046830527577.126 }, "end": { "local": "2066-07-21T16:18:34+08:00", "utc": "2066-07-21T08:18:34Z", "ms": 3046925914467.0806 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-20T13:48:48+08:00", "utc": "2066-07-20T05:48:48Z", "ms": 3046830527577.126 }, "end": { "local": "2066-07-21T16:18:34+08:00", "utc": "2066-07-21T08:18:34Z", "ms": 3046925914467.0806 } }, "kaala": "nishita", "days": [ { "local_date": "2066-07-20", "window": { "start": { "local": "2066-07-20T23:45:32+08:00", "utc": "2066-07-20T15:45:32Z", "ms": 3046866331556.157 }, "end": { "local": "2066-07-21T00:33:32+08:00", "utc": "2066-07-20T16:33:32Z", "ms": 3046869211556.157 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-07-21", "window": { "start": { "local": "2066-07-21T23:45:35+08:00", "utc": "2066-07-21T15:45:35Z", "ms": 3046952734506.586 }, "end": { "local": "2066-07-22T00:33:35+08:00", "utc": "2066-07-21T16:33:35Z", "ms": 3046955614506.586 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:49 on Tue 20 Jul to 16:19 on Wed 21 Jul.", "fact": "2066-07-20T05:48:48Z → 2066-07-21T08:18:34Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:46–00:34 on the 20th, 23:46–00:34 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26820 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2066: Tuesday 20 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": "2066-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2066 falls on Tuesday 20 July. Caturdaśī runs from 13:49 on Tue 20 Jul to 16:19 on Wed 21 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/shivaratri?on=2066-07-20", "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/2066/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34259, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-07-24T22:04:24+08:00", "utc": "2066-07-24T14:04:24Z", "ms": 3047205863911.867 }, "end": { "local": "2066-07-25T23:11:32+08:00", "utc": "2066-07-25T15:11:32Z", "ms": 3047296292435.2397 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-24T22:04:24+08:00", "utc": "2066-07-24T14:04:24Z", "ms": 3047205863911.867 }, "end": { "local": "2066-07-25T23:11:32+08:00", "utc": "2066-07-25T15:11:32Z", "ms": 3047296292435.2397 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-07-24", "window": { "start": { "local": "2066-07-24T11:45:25+08:00", "utc": "2066-07-24T03:45:25Z", "ms": 3047168724879.375 }, "end": { "local": "2066-07-24T12:33:25+08:00", "utc": "2066-07-24T04:33:25Z", "ms": 3047171604879.375 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-07-25", "window": { "start": { "local": "2066-07-25T11:45:25+08:00", "utc": "2066-07-25T03:45:25Z", "ms": 3047255125446.9736 }, "end": { "local": "2066-07-25T12:33:25+08:00", "utc": "2066-07-25T04:33:25Z", "ms": 3047258005446.9736 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:04 on Sat 24 Jul to 23:12 on Sun 25 Jul.", "fact": "2066-07-24T14:04:24Z → 2066-07-25T15:11:32Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34259 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Fuzhou, 2066: Sunday 25 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": "2066-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Madhusravā Tṛtīyā (Hariyali Teej) 2066 falls on Sunday 25 July. Tṛtīyā runs from 22:04 on Sat 24 Jul to 23:12 on Sun 25 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-07-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38287, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-07-25T23:11:32+08:00", "utc": "2066-07-25T15:11:32Z", "ms": 3047296292435.2397 }, "end": { "local": "2066-07-26T23:50:20+08:00", "utc": "2066-07-26T15:50:20Z", "ms": 3047385020091.087 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-25T23:11:32+08:00", "utc": "2066-07-25T15:11:32Z", "ms": 3047296292435.2397 }, "end": { "local": "2066-07-26T23:50:20+08:00", "utc": "2066-07-26T15:50:20Z", "ms": 3047385020091.087 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-07-25", "window": { "start": { "local": "2066-07-25T11:45:25+08:00", "utc": "2066-07-25T03:45:25Z", "ms": 3047255125446.9736 }, "end": { "local": "2066-07-25T12:33:25+08:00", "utc": "2066-07-25T04:33:25Z", "ms": 3047258005446.9736 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-07-26", "window": { "start": { "local": "2066-07-26T11:45:25+08:00", "utc": "2066-07-26T03:45:25Z", "ms": 3047341525413.827 }, "end": { "local": "2066-07-26T12:33:25+08:00", "utc": "2066-07-26T04:33:25Z", "ms": 3047344405413.827 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:12 on Sun 25 Jul to 23:50 on Mon 26 Jul.", "fact": "2066-07-25T15:11:32Z → 2066-07-26T15:50:20Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38287 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2066: Monday 26 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": "2066-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2066 falls on Monday 26 July. Caturthī runs from 23:12 on Sun 25 Jul to 23:50 on Mon 26 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/vinayaka-chaturthi?on=2066-07-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40615, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-07-26T23:50:20+08:00", "utc": "2066-07-26T15:50:20Z", "ms": 3047385020091.087 }, "end": { "local": "2066-07-27T23:59:03+08:00", "utc": "2066-07-27T15:59:03Z", "ms": 3047471942825.421 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-26T23:50:20+08:00", "utc": "2066-07-26T15:50:20Z", "ms": 3047385020091.087 }, "end": { "local": "2066-07-27T23:59:03+08:00", "utc": "2066-07-27T15:59:03Z", "ms": 3047471942825.421 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-07-26", "window": { "start": { "local": "2066-07-26T11:45:25+08:00", "utc": "2066-07-26T03:45:25Z", "ms": 3047341525413.827 }, "end": { "local": "2066-07-26T12:33:25+08:00", "utc": "2066-07-26T04:33:25Z", "ms": 3047344405413.827 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-07-27", "window": { "start": { "local": "2066-07-27T11:45:25+08:00", "utc": "2066-07-27T03:45:25Z", "ms": 3047427924772.6753 }, "end": { "local": "2066-07-27T12:33:25+08:00", "utc": "2066-07-27T04:33:25Z", "ms": 3047430804772.6753 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:50 on Mon 26 Jul to 23:59 on Tue 27 Jul.", "fact": "2066-07-26T15:50:20Z → 2066-07-27T15:59:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 26th, 11:45–12:33 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī 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: paraviddha → only-day · margin 40615 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Fuzhou, 2066: Tuesday 27 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": "2066-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Pañcamī 2066 falls on Tuesday 27 July. Pañcamī runs from 23:50 on Mon 26 Jul to 23:59 on Tue 27 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-08-02", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30892, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-08-01T16:53:06+08:00", "utc": "2066-08-01T08:53:06Z", "ms": 3047878386049.768 }, "end": { "local": "2066-08-02T14:04:28+08:00", "utc": "2066-08-02T06:04:28Z", "ms": 3047954667519.5264 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-08-01T16:53:06+08:00", "utc": "2066-08-01T08:53:06Z", "ms": 3047878386049.768 }, "end": { "local": "2066-08-02T14:04:28+08:00", "utc": "2066-08-02T06:04:28Z", "ms": 3047954667519.5264 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-08-01", "window": { "start": { "local": "2066-08-01T05:29:06+08:00", "utc": "2066-07-31T21:29:06Z", "ms": 3047837346239.112 }, "end": { "local": "2066-08-01T05:29:06+08:00", "utc": "2066-07-31T21:29:06Z", "ms": 3047837346239.112 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-08-02", "window": { "start": { "local": "2066-08-02T05:29:36+08:00", "utc": "2066-08-01T21:29:36Z", "ms": 3047923775937.3716 }, "end": { "local": "2066-08-02T05:29:36+08:00", "utc": "2066-08-01T21:29:36Z", "ms": 3047923775937.3716 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:53 on Sun 1 Aug to 14:04 on Mon 2 Aug.", "fact": "2066-08-01T08:53:06Z → 2066-08-02T06:04:28Z" }, { "step": "kaala", "text": "Sunrise is at 05:29 on the 1st and 05:30 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30892 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Fuzhou, 2066: Monday 2 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": "2066-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Putradā Ekādaśī 2066 falls on Monday 2 August. Ekādaśī runs from 16:53 on Sun 1 Aug to 14:04 on Mon 2 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-08-02", "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/2066/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2848, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-08-02T14:04:28+08:00", "utc": "2066-08-02T06:04:28Z", "ms": 3047954667519.5264 }, "end": { "local": "2066-08-03T10:57:35+08:00", "utc": "2066-08-03T02:57:35Z", "ms": 3048029855099.792 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-08-02T14:04:28+08:00", "utc": "2066-08-02T06:04:28Z", "ms": 3047954667519.5264 }, "end": { "local": "2066-08-03T10:57:35+08:00", "utc": "2066-08-03T02:57:35Z", "ms": 3048029855099.792 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-02", "window": { "start": { "local": "2066-08-02T11:45:08+08:00", "utc": "2066-08-02T03:45:08Z", "ms": 3047946307917.3486 }, "end": { "local": "2066-08-02T12:33:08+08:00", "utc": "2066-08-02T04:33:08Z", "ms": 3047949187917.3486 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-08-03", "window": { "start": { "local": "2066-08-03T11:45:03+08:00", "utc": "2066-08-03T03:45:03Z", "ms": 3048032702932.6787 }, "end": { "local": "2066-08-03T12:33:03+08:00", "utc": "2066-08-03T04:33:03Z", "ms": 3048035582932.6787 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 14:04 on Mon 2 Aug to 10:58 on Tue 3 Aug.", "fact": "2066-08-02T06:04:28Z → 2066-08-03T02:57:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 2nd, 11:45–12:33 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 2848 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Fuzhou, 2066: Tuesday 3 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": "2066-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Dāmodara Dvādaśī 2066 falls on Tuesday 3 August. Dvādaśī runs from 14:04 on Mon 2 Aug to 10:58 on Tue 3 Aug, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/pradosha-vrata?on=2066-08-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28225, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-08-03T10:57:35+08:00", "utc": "2066-08-03T02:57:35Z", "ms": 3048029855099.792 }, "end": { "local": "2066-08-04T07:39:14+08:00", "utc": "2066-08-03T23:39:14Z", "ms": 3048104354302.0566 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-08-03T10:57:35+08:00", "utc": "2066-08-03T02:57:35Z", "ms": 3048029855099.792 }, "end": { "local": "2066-08-04T07:39:14+08:00", "utc": "2066-08-03T23:39:14Z", "ms": 3048104354302.0566 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-08-03", "window": { "start": { "local": "2066-08-03T18:48:00+08:00", "utc": "2066-08-03T10:48:00Z", "ms": 3048058080337.5938 }, "end": { "local": "2066-08-03T20:13:41+08:00", "utc": "2066-08-03T12:13:41Z", "ms": 3048063220959.315 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2066-08-04", "window": { "start": { "local": "2066-08-04T18:47:20+08:00", "utc": "2066-08-04T10:47:20Z", "ms": 3048144439668.7363 }, "end": { "local": "2066-08-04T20:13:10+08:00", "utc": "2066-08-04T12:13:10Z", "ms": 3048149589625.98 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:58 on Tue 3 Aug to 07:39 on Wed 4 Aug.", "fact": "2066-08-03T02:57:35Z → 2066-08-03T23:39:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:48–20:14 on the 3rd, 18:47–20:13 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 86 of 86 minutes on the 3rd and 0 of 86 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28225 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2066: Tuesday 3 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": "2066-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2066 falls on Tuesday 3 August. Trayodaśī runs from 10:58 on Tue 3 Aug to 07:39 on Wed 4 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-08-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16275, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-08-05T04:17:15+08:00", "utc": "2066-08-04T20:17:15Z", "ms": 3048178635223.498 }, "end": { "local": "2066-08-06T01:00:18+08:00", "utc": "2066-08-05T17:00:18Z", "ms": 3048253218299.334 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2066-08-05T14:37:35+08:00", "utc": "2066-08-05T06:37:35Z", "ms": 3048215854953.22 }, "end": { "local": "2066-08-06T01:00:18+08:00", "utc": "2066-08-05T17:00:18Z", "ms": 3048253218299.334 } }, "kaala": "day", "days": [ { "local_date": "2066-08-05", "window": { "start": { "local": "2066-08-05T05:31:04+08:00", "utc": "2066-08-04T21:31:04Z", "ms": 3048183064348.062 }, "end": { "local": "2066-08-06T05:31:34+08:00", "utc": "2066-08-05T21:31:34Z", "ms": 3048269493564.854 } }, "covered_min": 623, "window_min": 1440, "qualifies": true }, { "local_date": "2066-08-06", "window": { "start": { "local": "2066-08-06T05:31:34+08:00", "utc": "2066-08-05T21:31:34Z", "ms": 3048269493564.854 }, "end": { "local": "2066-08-07T05:32:03+08:00", "utc": "2066-08-06T21:32:03Z", "ms": 3048355922646.682 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:17 on Thu 5 Aug to 01:00 on Fri 6 Aug. Its second half begins at 14:38 on Thu 5 Aug.", "fact": "2066-08-04T20:17:15Z → 2066-08-05T17:00:18Z · second half from 2066-08-05T06:37:35Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:31 on the 5th, and from 05:32 on the 6th.", "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 623 of 1440 minutes on the 5th and 0 of 1440 on the 6th.", "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 16275 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Fuzhou, 2066: Thursday 5 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": "2066-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Rakṣā Bandhana (Rakhi) 2066 falls on Thursday 5 August. The second half of Pūrṇimā runs from 14:38 on Thu 5 Aug to 01:00 on Fri 6 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26856, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-08-05T04:17:15+08:00", "utc": "2066-08-04T20:17:15Z", "ms": 3048178635223.498 }, "end": { "local": "2066-08-06T01:00:18+08:00", "utc": "2066-08-05T17:00:18Z", "ms": 3048253218299.334 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-08-05T04:17:15+08:00", "utc": "2066-08-04T20:17:15Z", "ms": 3048178635223.498 }, "end": { "local": "2066-08-06T01:00:18+08:00", "utc": "2066-08-05T17:00:18Z", "ms": 3048253218299.334 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-05", "window": { "start": { "local": "2066-08-05T11:44:51+08:00", "utc": "2066-08-05T03:44:51Z", "ms": 3048205491129.992 }, "end": { "local": "2066-08-05T12:32:51+08:00", "utc": "2066-08-05T04:32:51Z", "ms": 3048208371129.992 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-06", "window": { "start": { "local": "2066-08-06T11:44:44+08:00", "utc": "2066-08-06T03:44:44Z", "ms": 3048291884326.8984 }, "end": { "local": "2066-08-06T12:32:44+08:00", "utc": "2066-08-06T04:32:44Z", "ms": 3048294764326.8984 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:17 on Thu 5 Aug to 01:00 on Fri 6 Aug.", "fact": "2066-08-04T20:17:15Z → 2066-08-05T17:00:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 5th, 11:45–12:33 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26856 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Fuzhou, 2066: Thursday 5 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": "2066-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Tarpaṇa 2066 falls on Thursday 5 August. Pūrṇimā runs from 04:17 on Thu 5 Aug to 01:00 on Fri 6 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-06", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1572, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2066-08-06T21:57:37+08:00", "utc": "2066-08-06T13:57:37Z", "ms": 3048328656550.1094 }, "end": { "local": "2066-08-07T19:18:32+08:00", "utc": "2066-08-07T11:18:32Z", "ms": 3048405512365.338 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-06T21:57:37+08:00", "utc": "2066-08-06T13:57:37Z", "ms": 3048328656550.1094 }, "end": { "local": "2066-08-07T19:18:32+08:00", "utc": "2066-08-07T11:18:32Z", "ms": 3048405512365.338 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-08-06", "window": { "start": { "local": "2066-08-06T19:06:02+08:00", "utc": "2066-08-06T11:06:02Z", "ms": 3048318362479.228 }, "end": { "local": "2066-08-06T19:06:02+08:00", "utc": "2066-08-06T11:06:02Z", "ms": 3048318362479.228 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-08-07", "window": { "start": { "local": "2066-08-07T19:44:45+08:00", "utc": "2066-08-07T11:44:45Z", "ms": 3048407084754.8047 }, "end": { "local": "2066-08-07T19:44:45+08:00", "utc": "2066-08-07T11:44:45Z", "ms": 3048407084754.8047 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 21:58 on Fri 6 Aug to 19:19 on Sat 7 Aug.", "fact": "2066-08-06T13:57:37Z → 2066-08-07T11:18:32Z" }, { "step": "kaala", "text": "Moonrise is at 19:06 on the 6th and 19:45 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 not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 1572 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Fuzhou, 2066: Friday 6 August.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2066-08-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-06", "confidence": "boundary" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata 2066 falls on Friday 6 August. Dvitīyā runs from 21:58 on Fri 6 Aug to 19:19 on Sat 7 Aug, and is current at moonrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16777, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-08-07T19:18:32+08:00", "utc": "2066-08-07T11:18:32Z", "ms": 3048405512365.338 }, "end": { "local": "2066-08-08T17:12:06+08:00", "utc": "2066-08-08T09:12:06Z", "ms": 3048484325847.2983 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-07T19:18:32+08:00", "utc": "2066-08-07T11:18:32Z", "ms": 3048405512365.338 }, "end": { "local": "2066-08-08T17:12:06+08:00", "utc": "2066-08-08T09:12:06Z", "ms": 3048484325847.2983 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-07", "window": { "start": { "local": "2066-08-07T11:44:37+08:00", "utc": "2066-08-07T03:44:37Z", "ms": 3048378276934.326 }, "end": { "local": "2066-08-07T12:32:37+08:00", "utc": "2066-08-07T04:32:37Z", "ms": 3048381156934.326 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-08-08", "window": { "start": { "local": "2066-08-08T11:44:29+08:00", "utc": "2066-08-08T03:44:29Z", "ms": 3048464668961.697 }, "end": { "local": "2066-08-08T12:32:29+08:00", "utc": "2066-08-08T04:32:29Z", "ms": 3048467548961.697 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:19 on Sat 7 Aug to 17:12 on Sun 8 Aug.", "fact": "2066-08-07T11:18:32Z → 2066-08-08T09:12:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 7th, 11:44–12:32 on the 8th.", "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 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16777 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Fuzhou, 2066: Sunday 8 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": "2066-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Kajjalī Tṛtīyā (Kajari Teej) 2066 falls on Sunday 8 August. Tṛtīyā runs from 19:19 on Sat 7 Aug to 17:12 on Sun 8 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1161, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-08-08T17:12:06+08:00", "utc": "2066-08-08T09:12:06Z", "ms": 3048484325847.2983 }, "end": { "local": "2066-08-09T15:46:12+08:00", "utc": "2066-08-09T07:46:12Z", "ms": 3048565571789.23 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-08T17:12:06+08:00", "utc": "2066-08-08T09:12:06Z", "ms": 3048484325847.2983 }, "end": { "local": "2066-08-09T15:46:12+08:00", "utc": "2066-08-09T07:46:12Z", "ms": 3048565571789.23 } }, "kaala": "sayahna", "days": [ { "local_date": "2066-08-08", "window": { "start": { "local": "2066-08-08T16:06:03+08:00", "utc": "2066-08-08T08:06:03Z", "ms": 3048480363384.6904 }, "end": { "local": "2066-08-08T18:44:26+08:00", "utc": "2066-08-08T10:44:26Z", "ms": 3048489866333.3525 } }, "covered_min": 92, "window_min": 158, "qualifies": true }, { "local_date": "2066-08-09", "window": { "start": { "local": "2066-08-09T16:05:32+08:00", "utc": "2066-08-09T08:05:32Z", "ms": 3048566732434.6514 }, "end": { "local": "2066-08-09T18:43:40+08:00", "utc": "2066-08-09T10:43:40Z", "ms": 3048576220445.445 } }, "covered_min": 0, "window_min": 158, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:12 on Sun 8 Aug to 15:46 on Mon 9 Aug.", "fact": "2066-08-08T09:12:06Z → 2066-08-09T07:46:12Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:06–18:44 on the 8th, 16:06–18:44 on the 9th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 92 of 158 minutes on the 8th and 0 of 158 on the 9th.", "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 1161 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Fuzhou, 2066: Sunday 8 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": "2066-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Bahulā Caturthī 2066 falls on Sunday 8 August. Caturthī runs from 17:12 on Sun 8 Aug to 15:46 on Mon 9 Aug and covers 92 of 158 minutes of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/sankashta-chaturthi?on=2066-08-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11350, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-08-08T17:12:06+08:00", "utc": "2066-08-08T09:12:06Z", "ms": 3048484325847.2983 }, "end": { "local": "2066-08-09T15:46:12+08:00", "utc": "2066-08-09T07:46:12Z", "ms": 3048565571789.23 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-08T17:12:06+08:00", "utc": "2066-08-08T09:12:06Z", "ms": 3048484325847.2983 }, "end": { "local": "2066-08-09T15:46:12+08:00", "utc": "2066-08-09T07:46:12Z", "ms": 3048565571789.23 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-08-08", "window": { "start": { "local": "2066-08-08T20:21:16+08:00", "utc": "2066-08-08T12:21:16Z", "ms": 3048495675859.6606 }, "end": { "local": "2066-08-08T20:21:16+08:00", "utc": "2066-08-08T12:21:16Z", "ms": 3048495675859.6606 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-08-09", "window": { "start": { "local": "2066-08-09T20:57:00+08:00", "utc": "2066-08-09T12:57:00Z", "ms": 3048584219654.81 }, "end": { "local": "2066-08-09T20:57:00+08:00", "utc": "2066-08-09T12:57:00Z", "ms": 3048584219654.81 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:12 on Sun 8 Aug to 15:46 on Mon 9 Aug.", "fact": "2066-08-08T09:12:06Z → 2066-08-09T07:46:12Z" }, { "step": "kaala", "text": "Moonrise is at 20:21 on the 8th and 20:57 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11350 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2066: Sunday 8 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": "2066-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2066 falls on Sunday 8 August. Caturthī runs from 17:12 on Sun 8 Aug to 15:46 on Mon 9 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/sankashta-chaturthi?on=2066-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9273, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-08-10T15:06:44+08:00", "utc": "2066-08-10T07:06:44Z", "ms": 3048649604457.357 }, "end": { "local": "2066-08-11T15:16:35+08:00", "utc": "2066-08-11T07:16:35Z", "ms": 3048736594519.7544 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-10T15:06:44+08:00", "utc": "2066-08-10T07:06:44Z", "ms": 3048649604457.357 }, "end": { "local": "2066-08-11T15:16:35+08:00", "utc": "2066-08-11T07:16:35Z", "ms": 3048736594519.7544 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-10", "window": { "start": { "local": "2066-08-10T11:44:11+08:00", "utc": "2066-08-10T03:44:11Z", "ms": 3048637451313.83 }, "end": { "local": "2066-08-10T12:32:11+08:00", "utc": "2066-08-10T04:32:11Z", "ms": 3048640331313.83 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-08-11", "window": { "start": { "local": "2066-08-11T11:44:02+08:00", "utc": "2066-08-11T03:44:02Z", "ms": 3048723841656.6626 }, "end": { "local": "2066-08-11T12:32:02+08:00", "utc": "2066-08-11T04:32:02Z", "ms": 3048726721656.6626 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 15:07 on Tue 10 Aug to 15:17 on Wed 11 Aug.", "fact": "2066-08-10T07:06:44Z → 2066-08-11T07:16:35Z" }, { "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": "Ṣaṣṭhī 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: paraviddha → only-day · margin 9273 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Fuzhou, 2066: Wednesday 11 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": "2066-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Hala Ṣaṣṭhī 2066 falls on Wednesday 11 August. Ṣaṣṭhī runs from 15:07 on Tue 10 Aug to 15:17 on Wed 11 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20948, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-08-12T16:14:31+08:00", "utc": "2066-08-12T08:14:31Z", "ms": 3048826470695.547 }, "end": { "local": "2066-08-13T17:54:47+08:00", "utc": "2066-08-13T09:54:47Z", "ms": 3048918887009.252 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-12T16:14:31+08:00", "utc": "2066-08-12T08:14:31Z", "ms": 3048826470695.547 }, "end": { "local": "2066-08-13T17:54:47+08:00", "utc": "2066-08-13T09:54:47Z", "ms": 3048918887009.252 } }, "kaala": "nishita", "days": [ { "local_date": "2066-08-12", "window": { "start": { "local": "2066-08-12T23:44:06+08:00", "utc": "2066-08-12T15:44:06Z", "ms": 3048853445551.1396 }, "end": { "local": "2066-08-13T00:32:06+08:00", "utc": "2066-08-12T16:32:06Z", "ms": 3048856325551.1396 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-13", "window": { "start": { "local": "2066-08-13T23:43:55+08:00", "utc": "2066-08-13T15:43:55Z", "ms": 3048939834732.032 }, "end": { "local": "2066-08-14T00:31:55+08:00", "utc": "2066-08-13T16:31:55Z", "ms": 3048942714732.032 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:15 on Thu 12 Aug to 17:55 on Fri 13 Aug.", "fact": "2066-08-12T08:14:31Z → 2066-08-13T09:54:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 12th, 23:44–00:32 on the 13th.", "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 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20948 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Fuzhou, 2066: Thursday 12 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": "2066-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Janmāṣṭamī 2066 falls on Thursday 12 August. Aṣṭamī runs from 16:15 on Thu 12 Aug to 17:55 on Fri 13 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9873, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-08-11T15:16:35+08:00", "utc": "2066-08-11T07:16:35Z", "ms": 3048736594519.7544 }, "end": { "local": "2066-08-12T16:14:31+08:00", "utc": "2066-08-12T08:14:31Z", "ms": 3048826470695.547 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-11T15:16:35+08:00", "utc": "2066-08-11T07:16:35Z", "ms": 3048736594519.7544 }, "end": { "local": "2066-08-12T16:14:31+08:00", "utc": "2066-08-12T08:14:31Z", "ms": 3048826470695.547 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-11", "window": { "start": { "local": "2066-08-11T11:44:02+08:00", "utc": "2066-08-11T03:44:02Z", "ms": 3048723841656.6626 }, "end": { "local": "2066-08-11T12:32:02+08:00", "utc": "2066-08-11T04:32:02Z", "ms": 3048726721656.6626 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-08-12", "window": { "start": { "local": "2066-08-12T11:43:51+08:00", "utc": "2066-08-12T03:43:51Z", "ms": 3048810231455.506 }, "end": { "local": "2066-08-12T12:31:51+08:00", "utc": "2066-08-12T04:31:51Z", "ms": 3048813111455.506 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 15:17 on Wed 11 Aug to 16:15 on Thu 12 Aug.", "fact": "2066-08-11T07:16:35Z → 2066-08-12T08:14:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 11th, 11:44–12:32 on the 12th.", "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 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9873 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Fuzhou, 2066: Thursday 12 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": "2066-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalā Saptamī 2066 falls on Thursday 12 August. Saptamī runs from 15:17 on Wed 11 Aug to 16:15 on Thu 12 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-08-16", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15687, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-08-15T22:38:54+08:00", "utc": "2066-08-15T14:38:54Z", "ms": 3049108733829.965 }, "end": { "local": "2066-08-17T01:15:18+08:00", "utc": "2066-08-16T17:15:18Z", "ms": 3049204518296.2524 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-15T22:38:54+08:00", "utc": "2066-08-15T14:38:54Z", "ms": 3049108733829.965 }, "end": { "local": "2066-08-17T01:15:18+08:00", "utc": "2066-08-16T17:15:18Z", "ms": 3049204518296.2524 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-08-16", "window": { "start": { "local": "2066-08-16T05:36:18+08:00", "utc": "2066-08-15T21:36:18Z", "ms": 3049133777662.2407 }, "end": { "local": "2066-08-16T05:36:18+08:00", "utc": "2066-08-15T21:36:18Z", "ms": 3049133777662.2407 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-08-17", "window": { "start": { "local": "2066-08-17T05:36:45+08:00", "utc": "2066-08-16T21:36:45Z", "ms": 3049220205167.2754 }, "end": { "local": "2066-08-17T05:36:45+08:00", "utc": "2066-08-16T21:36:45Z", "ms": 3049220205167.2754 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:39 on Sun 15 Aug to 01:15 on Tue 17 Aug.", "fact": "2066-08-15T14:38:54Z → 2066-08-16T17:15:18Z" }, { "step": "kaala", "text": "Sunrise is at 05:36 on the 16th and 05:37 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15687 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Fuzhou, 2066: Monday 16 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": "2066-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Ajā Ekādaśī 2066 falls on Monday 16 August. Ekādaśī runs from 22:39 on Sun 15 Aug to 01:15 on Tue 17 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-08-16", "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/2066/pradosha-vrata?on=2066-08-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27499, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-08-18T03:43:21+08:00", "utc": "2066-08-17T19:43:21Z", "ms": 3049299800627.2817 }, "end": { "local": "2066-08-19T05:52:35+08:00", "utc": "2066-08-18T21:52:35Z", "ms": 3049393955110.3564 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-18T03:43:21+08:00", "utc": "2066-08-17T19:43:21Z", "ms": 3049299800627.2817 }, "end": { "local": "2066-08-19T05:52:35+08:00", "utc": "2066-08-18T21:52:35Z", "ms": 3049393955110.3564 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-08-17", "window": { "start": { "local": "2066-08-17T18:37:00+08:00", "utc": "2066-08-17T10:37:00Z", "ms": 3049267019994.8604 }, "end": { "local": "2066-08-17T20:05:02+08:00", "utc": "2066-08-17T12:05:02Z", "ms": 3049272301660.899 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "2066-08-18", "window": { "start": { "local": "2066-08-18T18:36:06+08:00", "utc": "2066-08-18T10:36:06Z", "ms": 3049353366092.412 }, "end": { "local": "2066-08-18T20:04:19+08:00", "utc": "2066-08-18T12:04:19Z", "ms": 3049358658563.7314 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:43 on Wed 18 Aug to 05:53 on Thu 19 Aug.", "fact": "2066-08-17T19:43:21Z → 2066-08-18T21:52:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:05 on the 17th, 18:36–20:04 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 17th and 88 of 88 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27499 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2066: Wednesday 18 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": "2066-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2066 falls on Wednesday 18 August. Trayodaśī runs from 03:43 on Wed 18 Aug to 05:53 on Thu 19 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-08-18", "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/2066/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35297, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-08-19T05:52:35+08:00", "utc": "2066-08-18T21:52:35Z", "ms": 3049393955110.3564 }, "end": { "local": "2066-08-20T07:36:09+08:00", "utc": "2066-08-19T23:36:09Z", "ms": 3049486568990.005 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-19T05:52:35+08:00", "utc": "2066-08-18T21:52:35Z", "ms": 3049393955110.3564 }, "end": { "local": "2066-08-20T07:36:09+08:00", "utc": "2066-08-19T23:36:09Z", "ms": 3049486568990.005 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-08-18", "window": { "start": { "local": "2066-08-18T18:36:06+08:00", "utc": "2066-08-18T10:36:06Z", "ms": 3049353366092.412 }, "end": { "local": "2066-08-18T20:04:19+08:00", "utc": "2066-08-18T12:04:19Z", "ms": 3049358658563.7314 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "2066-08-19", "window": { "start": { "local": "2066-08-19T18:35:11+08:00", "utc": "2066-08-19T10:35:11Z", "ms": 3049439711406.0215 }, "end": { "local": "2066-08-19T20:03:35+08:00", "utc": "2066-08-19T12:03:35Z", "ms": 3049445014761.9624 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:53 on Thu 19 Aug to 07:36 on Fri 20 Aug.", "fact": "2066-08-18T21:52:35Z → 2066-08-19T23:36:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:04 on the 18th, 18:35–20:04 on the 19th.", "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 18th and 88 of 88 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35297 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Fuzhou, 2066: Thursday 19 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": "2066-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Aghora Caturdaśī 2066 falls on Thursday 19 August. Caturdaśī runs from 05:53 on Thu 19 Aug to 07:36 on Fri 20 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/shivaratri?on=2066-08-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19302, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-08-19T05:52:35+08:00", "utc": "2066-08-18T21:52:35Z", "ms": 3049393955110.3564 }, "end": { "local": "2066-08-20T07:36:09+08:00", "utc": "2066-08-19T23:36:09Z", "ms": 3049486568990.005 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-19T05:52:35+08:00", "utc": "2066-08-18T21:52:35Z", "ms": 3049393955110.3564 }, "end": { "local": "2066-08-20T07:36:09+08:00", "utc": "2066-08-19T23:36:09Z", "ms": 3049486568990.005 } }, "kaala": "nishita", "days": [ { "local_date": "2066-08-18", "window": { "start": { "local": "2066-08-18T23:42:53+08:00", "utc": "2066-08-18T15:42:53Z", "ms": 3049371772859.8604 }, "end": { "local": "2066-08-19T00:30:53+08:00", "utc": "2066-08-18T16:30:53Z", "ms": 3049374652859.8604 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-08-19", "window": { "start": { "local": "2066-08-19T23:42:39+08:00", "utc": "2066-08-19T15:42:39Z", "ms": 3049458158990.8 }, "end": { "local": "2066-08-20T00:30:39+08:00", "utc": "2066-08-19T16:30:39Z", "ms": 3049461038990.8 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:53 on Thu 19 Aug to 07:36 on Fri 20 Aug.", "fact": "2066-08-18T21:52:35Z → 2066-08-19T23:36:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 18th, 23:43–00:31 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19302 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2066: Thursday 19 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": "2066-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2066 falls on Thursday 19 August. Caturdaśī runs from 05:53 on Thu 19 Aug to 07:36 on Fri 20 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/shivaratri?on=2066-08-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7577, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-08-21T08:50:38+08:00", "utc": "2066-08-21T00:50:38Z", "ms": 3049577437742.599 }, "end": { "local": "2066-08-22T09:35:24+08:00", "utc": "2066-08-22T01:35:24Z", "ms": 3049666524425.1694 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-21T08:50:38+08:00", "utc": "2066-08-21T00:50:38Z", "ms": 3049577437742.599 }, "end": { "local": "2066-08-22T09:35:24+08:00", "utc": "2066-08-22T01:35:24Z", "ms": 3049666524425.1694 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-21", "window": { "start": { "local": "2066-08-21T11:41:57+08:00", "utc": "2066-08-21T03:41:57Z", "ms": 3049587716548.746 }, "end": { "local": "2066-08-21T12:29:57+08:00", "utc": "2066-08-21T04:29:57Z", "ms": 3049590596548.746 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-22", "window": { "start": { "local": "2066-08-22T11:41:41+08:00", "utc": "2066-08-22T03:41:41Z", "ms": 3049674101373.8467 }, "end": { "local": "2066-08-22T12:29:41+08:00", "utc": "2066-08-22T04:29:41Z", "ms": 3049676981373.8467 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 08:51 on Sat 21 Aug to 09:35 on Sun 22 Aug.", "fact": "2066-08-21T00:50:38Z → 2066-08-22T01:35:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 21st, 11:42–12:30 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7577 s" }, { "step": "ruling", "text": "Rudra Vrata, Fuzhou, 2066: Saturday 21 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": "2066-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Rudra Vrata 2066 falls on Saturday 21 August. Pratipadā runs from 08:51 on Sat 21 Aug to 09:35 on Sun 22 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6582, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-08-23T09:51:43+08:00", "utc": "2066-08-23T01:51:43Z", "ms": 3049753903463.673 }, "end": { "local": "2066-08-24T09:41:45+08:00", "utc": "2066-08-24T01:41:45Z", "ms": 3049839705067.0337 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-23T09:51:43+08:00", "utc": "2066-08-23T01:51:43Z", "ms": 3049753903463.673 }, "end": { "local": "2066-08-24T09:41:45+08:00", "utc": "2066-08-24T01:41:45Z", "ms": 3049839705067.0337 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-23", "window": { "start": { "local": "2066-08-23T11:41:26+08:00", "utc": "2066-08-23T03:41:26Z", "ms": 3049760485751.083 }, "end": { "local": "2066-08-23T12:29:26+08:00", "utc": "2066-08-23T04:29:26Z", "ms": 3049763365751.083 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-24", "window": { "start": { "local": "2066-08-24T11:41:10+08:00", "utc": "2066-08-24T03:41:10Z", "ms": 3049846869690.5713 }, "end": { "local": "2066-08-24T12:29:10+08:00", "utc": "2066-08-24T04:29:10Z", "ms": 3049849749690.5713 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:52 on Mon 23 Aug to 09:42 on Tue 24 Aug.", "fact": "2066-08-23T01:51:43Z → 2066-08-24T01:41:45Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6582 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Fuzhou, 2066: Monday 23 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": "2066-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Haritālikā Vrata (Hartalika Teej) 2066 falls on Monday 23 August. Tṛtīyā runs from 09:52 on Mon 23 Aug to 09:42 on Tue 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7165, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-08-24T09:41:45+08:00", "utc": "2066-08-24T01:41:45Z", "ms": 3049839705067.0337 }, "end": { "local": "2066-08-25T09:07:50+08:00", "utc": "2066-08-25T01:07:50Z", "ms": 3049924070260.807 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-24T09:41:45+08:00", "utc": "2066-08-24T01:41:45Z", "ms": 3049839705067.0337 }, "end": { "local": "2066-08-25T09:07:50+08:00", "utc": "2066-08-25T01:07:50Z", "ms": 3049924070260.807 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-24", "window": { "start": { "local": "2066-08-24T11:41:10+08:00", "utc": "2066-08-24T03:41:10Z", "ms": 3049846869690.5713 }, "end": { "local": "2066-08-24T12:29:10+08:00", "utc": "2066-08-24T04:29:10Z", "ms": 3049849749690.5713 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-25", "window": { "start": { "local": "2066-08-25T11:40:53+08:00", "utc": "2066-08-25T03:40:53Z", "ms": 3049933253203.0225 }, "end": { "local": "2066-08-25T12:28:53+08:00", "utc": "2066-08-25T04:28:53Z", "ms": 3049936133203.0225 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:42 on Tue 24 Aug to 09:08 on Wed 25 Aug.", "fact": "2066-08-24T01:41:45Z → 2066-08-25T01:07:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 24th, 11:41–12:29 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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: purvaviddha → only-day · margin 7165 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Fuzhou, 2066: Tuesday 24 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": "2066-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Caturthī 2066 falls on Tuesday 24 August. Caturthī runs from 09:42 on Tue 24 Aug to 09:08 on Wed 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9183, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-08-25T09:07:50+08:00", "utc": "2066-08-25T01:07:50Z", "ms": 3049924070260.807 }, "end": { "local": "2066-08-26T08:12:02+08:00", "utc": "2066-08-26T00:12:02Z", "ms": 3050007121599.809 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-25T09:07:50+08:00", "utc": "2066-08-25T01:07:50Z", "ms": 3049924070260.807 }, "end": { "local": "2066-08-26T08:12:02+08:00", "utc": "2066-08-26T00:12:02Z", "ms": 3050007121599.809 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-25", "window": { "start": { "local": "2066-08-25T11:40:53+08:00", "utc": "2066-08-25T03:40:53Z", "ms": 3049933253203.0225 }, "end": { "local": "2066-08-25T12:28:53+08:00", "utc": "2066-08-25T04:28:53Z", "ms": 3049936133203.0225 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-26", "window": { "start": { "local": "2066-08-26T11:40:36+08:00", "utc": "2066-08-26T03:40:36Z", "ms": 3050019636299.888 }, "end": { "local": "2066-08-26T12:28:36+08:00", "utc": "2066-08-26T04:28:36Z", "ms": 3050022516299.888 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:08 on Wed 25 Aug to 08:12 on Thu 26 Aug.", "fact": "2066-08-25T01:07:50Z → 2066-08-26T00:12:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 25th, 11:41–12:29 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 9183 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Fuzhou, 2066: Wednesday 25 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": "2066-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Pañcamī 2066 falls on Wednesday 25 August. Pañcamī runs from 09:08 on Wed 25 Aug to 08:12 on Thu 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12515, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-08-26T08:12:02+08:00", "utc": "2066-08-26T00:12:02Z", "ms": 3050007121599.809 }, "end": { "local": "2066-08-27T06:55:51+08:00", "utc": "2066-08-26T22:55:51Z", "ms": 3050088951320.5117 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-26T08:12:02+08:00", "utc": "2066-08-26T00:12:02Z", "ms": 3050007121599.809 }, "end": { "local": "2066-08-27T06:55:51+08:00", "utc": "2066-08-26T22:55:51Z", "ms": 3050088951320.5117 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-26", "window": { "start": { "local": "2066-08-26T11:40:36+08:00", "utc": "2066-08-26T03:40:36Z", "ms": 3050019636299.888 }, "end": { "local": "2066-08-26T12:28:36+08:00", "utc": "2066-08-26T04:28:36Z", "ms": 3050022516299.888 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-27", "window": { "start": { "local": "2066-08-27T11:40:19+08:00", "utc": "2066-08-27T03:40:19Z", "ms": 3050106018993.502 }, "end": { "local": "2066-08-27T12:28:19+08:00", "utc": "2066-08-27T04:28:19Z", "ms": 3050108898993.502 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:12 on Thu 26 Aug to 06:56 on Fri 27 Aug.", "fact": "2066-08-26T00:12:02Z → 2066-08-26T22:55:51Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12515 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Fuzhou, 2066: Thursday 26 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": "2066-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Bhādrapada) 2066 falls on Thursday 26 August. Ṣaṣṭhī runs from 08:12 on Thu 26 Aug to 06:56 on Fri 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17068, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-08-27T06:55:51+08:00", "utc": "2066-08-26T22:55:51Z", "ms": 3050088951320.5117 }, "end": { "local": "2066-08-28T05:20:26+08:00", "utc": "2066-08-27T21:20:26Z", "ms": 3050169626141.928 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-27T06:55:51+08:00", "utc": "2066-08-26T22:55:51Z", "ms": 3050088951320.5117 }, "end": { "local": "2066-08-28T05:20:26+08:00", "utc": "2066-08-27T21:20:26Z", "ms": 3050169626141.928 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-27", "window": { "start": { "local": "2066-08-27T11:40:19+08:00", "utc": "2066-08-27T03:40:19Z", "ms": 3050106018993.502 }, "end": { "local": "2066-08-27T12:28:19+08:00", "utc": "2066-08-27T04:28:19Z", "ms": 3050108898993.502 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-28", "window": { "start": { "local": "2066-08-28T11:40:01+08:00", "utc": "2066-08-28T03:40:01Z", "ms": 3050192401297.216 }, "end": { "local": "2066-08-28T12:28:01+08:00", "utc": "2066-08-28T04:28:01Z", "ms": 3050195281297.216 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:56 on Fri 27 Aug to 05:20 on Sat 28 Aug.", "fact": "2066-08-26T22:55:51Z → 2066-08-27T21:20:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 27th, 11:40–12:28 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17068 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Fuzhou, 2066: Friday 27 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": "2066-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Muktābharaṇa Vrata 2066 falls on Friday 27 August. Saptamī runs from 06:56 on Fri 27 Aug to 05:20 on Sat 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22775, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-08-28T05:20:26+08:00", "utc": "2066-08-27T21:20:26Z", "ms": 3050169626141.928 }, "end": { "local": "2066-08-29T03:26:45+08:00", "utc": "2066-08-28T19:26:45Z", "ms": 3050249205431.025 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-28T05:20:26+08:00", "utc": "2066-08-27T21:20:26Z", "ms": 3050169626141.928 }, "end": { "local": "2066-08-29T03:26:45+08:00", "utc": "2066-08-28T19:26:45Z", "ms": 3050249205431.025 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-28", "window": { "start": { "local": "2066-08-28T11:40:01+08:00", "utc": "2066-08-28T03:40:01Z", "ms": 3050192401297.216 }, "end": { "local": "2066-08-28T12:28:01+08:00", "utc": "2066-08-28T04:28:01Z", "ms": 3050195281297.216 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-29", "window": { "start": { "local": "2066-08-29T11:39:43+08:00", "utc": "2066-08-29T03:39:43Z", "ms": 3050278783225.5283 }, "end": { "local": "2066-08-29T12:27:43+08:00", "utc": "2066-08-29T04:27:43Z", "ms": 3050281663225.5283 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:20 on Sat 28 Aug to 03:27 on Sun 29 Aug.", "fact": "2066-08-27T21:20:26Z → 2066-08-28T19:26:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 28th, 11:40–12:28 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "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 22775 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Fuzhou, 2066: Saturday 28 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": "2066-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Rādhāṣṭamī 2066 falls on Saturday 28 August. Aṣṭamī runs from 05:20 on Sat 28 Aug to 03:27 on Sun 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-08-31", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24735, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-08-30T22:50:35+08:00", "utc": "2066-08-30T14:50:35Z", "ms": 3050405435193.352 }, "end": { "local": "2066-08-31T20:13:21+08:00", "utc": "2066-08-31T12:13:21Z", "ms": 3050482400989.396 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-30T22:50:35+08:00", "utc": "2066-08-30T14:50:35Z", "ms": 3050405435193.352 }, "end": { "local": "2066-08-31T20:13:21+08:00", "utc": "2066-08-31T12:13:21Z", "ms": 3050482400989.396 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-08-31", "window": { "start": { "local": "2066-08-31T05:42:50+08:00", "utc": "2066-08-30T21:42:50Z", "ms": 3050430170256.2163 }, "end": { "local": "2066-08-31T05:42:50+08:00", "utc": "2066-08-30T21:42:50Z", "ms": 3050430170256.2163 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-09-01", "window": { "start": { "local": "2066-09-01T05:43:15+08:00", "utc": "2066-08-31T21:43:15Z", "ms": 3050516594950.748 }, "end": { "local": "2066-09-01T05:43:15+08:00", "utc": "2066-08-31T21:43:15Z", "ms": 3050516594950.748 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:51 on Mon 30 Aug to 20:13 on Tue 31 Aug.", "fact": "2066-08-30T14:50:35Z → 2066-08-31T12:13:21Z" }, { "step": "kaala", "text": "Sunrise is at 05:43 on the 31st and 05:43 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24735 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Fuzhou, 2066: Tuesday 31 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": "2066-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Parivartanī Ekādaśī 2066 falls on Tuesday 31 August. Ekādaśī runs from 22:51 on Mon 30 Aug to 20:13 on Tue 31 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-08-31", "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/2066/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18130, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-08-31T20:13:21+08:00", "utc": "2066-08-31T12:13:21Z", "ms": 3050482400989.396 }, "end": { "local": "2066-09-01T17:28:57+08:00", "utc": "2066-09-01T09:28:57Z", "ms": 3050558936937.895 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-31T20:13:21+08:00", "utc": "2066-08-31T12:13:21Z", "ms": 3050482400989.396 }, "end": { "local": "2066-09-01T17:28:57+08:00", "utc": "2066-09-01T09:28:57Z", "ms": 3050558936937.895 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-31", "window": { "start": { "local": "2066-08-31T11:39:06+08:00", "utc": "2066-08-31T03:39:06Z", "ms": 3050451546020.299 }, "end": { "local": "2066-08-31T12:27:06+08:00", "utc": "2066-08-31T04:27:06Z", "ms": 3050454426020.299 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-09-01", "window": { "start": { "local": "2066-09-01T11:38:47+08:00", "utc": "2066-09-01T03:38:47Z", "ms": 3050537926922.2783 }, "end": { "local": "2066-09-01T12:26:47+08:00", "utc": "2066-09-01T04:26:47Z", "ms": 3050540806922.2783 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:13 on Tue 31 Aug to 17:29 on Wed 1 Sep.", "fact": "2066-08-31T12:13:21Z → 2066-09-01T09:28:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 31st, 11:39–12:27 on the 1st.", "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 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18130 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Fuzhou, 2066: Wednesday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Vāmana Jayantī 2066 falls on Wednesday 1 September. Dvādaśī runs from 20:13 on Tue 31 Aug to 17:29 on Wed 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/pradosha-vrata?on=2066-09-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3202, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-09-01T17:28:57+08:00", "utc": "2066-09-01T09:28:57Z", "ms": 3050558936937.895 }, "end": { "local": "2066-09-02T14:43:19+08:00", "utc": "2066-09-02T06:43:19Z", "ms": 3050635398588.063 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-09-01T17:28:57+08:00", "utc": "2066-09-01T09:28:57Z", "ms": 3050558936937.895 }, "end": { "local": "2066-09-02T14:43:19+08:00", "utc": "2066-09-02T06:43:19Z", "ms": 3050635398588.063 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-09-01", "window": { "start": { "local": "2066-09-01T18:22:19+08:00", "utc": "2066-09-01T10:22:19Z", "ms": 3050562138893.809 }, "end": { "local": "2066-09-01T19:53:10+08:00", "utc": "2066-09-01T11:53:10Z", "ms": 3050567589640.665 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2066-09-02", "window": { "start": { "local": "2066-09-02T18:21:16+08:00", "utc": "2066-09-02T10:21:16Z", "ms": 3050648475544.503 }, "end": { "local": "2066-09-02T19:52:18+08:00", "utc": "2066-09-02T11:52:18Z", "ms": 3050653937992.331 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:29 on Wed 1 Sep to 14:43 on Thu 2 Sep.", "fact": "2066-09-01T09:28:57Z → 2066-09-02T06:43:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–19:53 on the 1st, 18:21–19:52 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 91 of 91 minutes on the 1st and 0 of 91 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 3202 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2066: Wednesday 1 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": "2066-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2066 falls on Wednesday 1 September. Trayodaśī runs from 17:29 on Wed 1 Sep to 14:43 on Thu 2 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-09-01", "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/2066/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13699, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-09-02T14:43:19+08:00", "utc": "2066-09-02T06:43:19Z", "ms": 3050635398588.063 }, "end": { "local": "2066-09-03T12:03:37+08:00", "utc": "2066-09-03T04:03:37Z", "ms": 3050712216882.6006 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-09-02T14:43:19+08:00", "utc": "2066-09-02T06:43:19Z", "ms": 3050635398588.063 }, "end": { "local": "2066-09-03T12:03:37+08:00", "utc": "2066-09-03T04:03:37Z", "ms": 3050712216882.6006 } }, "kaala": "udaya-3", "days": [ { "local_date": "2066-09-02", "window": { "start": { "local": "2066-09-02T05:43:39+08:00", "utc": "2066-09-01T21:43:39Z", "ms": 3050603019495.23 }, "end": { "local": "2066-09-02T08:15:11+08:00", "utc": "2066-09-02T00:15:11Z", "ms": 3050612110705.0845 } }, "covered_min": 0, "window_min": 152, "qualifies": false }, { "local_date": "2066-09-03", "window": { "start": { "local": "2066-09-03T05:44:04+08:00", "utc": "2066-09-02T21:44:04Z", "ms": 3050689443903.2134 }, "end": { "local": "2066-09-03T08:15:17+08:00", "utc": "2066-09-03T00:15:17Z", "ms": 3050698517475.496 } }, "covered_min": 151, "window_min": 151, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:43 on Thu 2 Sep to 12:04 on Fri 3 Sep.", "fact": "2066-09-02T06:43:19Z → 2066-09-03T04:03:37Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:44–08:15 on the 2nd, 05:44–08:15 on the 3rd.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 152 minutes on the 2nd and 151 of 151 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13699 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Fuzhou, 2066: Friday 3 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananta-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)." } ], "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.", "kaala": "udaya-3", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Ananta Caturdaśī 2066 falls on Friday 3 September. Caturdaśī runs from 14:43 on Thu 2 Sep to 12:04 on Fri 3 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/sankashta-chaturthi?on=2066-09-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32203, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-09-07T05:11:09+08:00", "utc": "2066-09-06T21:11:09Z", "ms": 3051033068923.61 }, "end": { "local": "2066-09-08T05:03:07+08:00", "utc": "2066-09-07T21:03:07Z", "ms": 3051118987439.9155 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-07T05:11:09+08:00", "utc": "2066-09-06T21:11:09Z", "ms": 3051033068923.61 }, "end": { "local": "2066-09-08T05:03:07+08:00", "utc": "2066-09-07T21:03:07Z", "ms": 3051118987439.9155 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-09-06", "window": { "start": { "local": "2066-09-06T19:28:37+08:00", "utc": "2066-09-06T11:28:37Z", "ms": 3050998117322.4404 }, "end": { "local": "2066-09-06T19:28:37+08:00", "utc": "2066-09-06T11:28:37Z", "ms": 3050998117322.4404 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-09-07", "window": { "start": { "local": "2066-09-07T20:06:24+08:00", "utc": "2066-09-07T12:06:24Z", "ms": 3051086784076.08 }, "end": { "local": "2066-09-07T20:06:24+08:00", "utc": "2066-09-07T12:06:24Z", "ms": 3051086784076.08 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:11 on Tue 7 Sep to 05:03 on Wed 8 Sep.", "fact": "2066-09-06T21:11:09Z → 2066-09-07T21:03:07Z" }, { "step": "kaala", "text": "Moonrise is at 19:29 on the 6th and 20:06 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32203 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2066: Tuesday 7 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": "2066-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2066 falls on Tuesday 7 September. Caturthī runs from 05:11 on Tue 7 Sep to 05:03 on Wed 8 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/sankashta-chaturthi?on=2066-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32135, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-09-09T05:41:55+08:00", "utc": "2066-09-08T21:41:55Z", "ms": 3051207714784.2144 }, "end": { "local": "2066-09-10T07:05:22+08:00", "utc": "2066-09-09T23:05:22Z", "ms": 3051299122288.3184 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-09T05:41:55+08:00", "utc": "2066-09-08T21:41:55Z", "ms": 3051207714784.2144 }, "end": { "local": "2066-09-10T07:05:22+08:00", "utc": "2066-09-09T23:05:22Z", "ms": 3051299122288.3184 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-09-08", "window": { "start": { "local": "2066-09-08T20:46:20+08:00", "utc": "2066-09-08T12:46:20Z", "ms": 3051175579680.209 }, "end": { "local": "2066-09-08T20:46:20+08:00", "utc": "2066-09-08T12:46:20Z", "ms": 3051175579680.209 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-09-09", "window": { "start": { "local": "2066-09-09T21:29:04+08:00", "utc": "2066-09-09T13:29:04Z", "ms": 3051264543875.611 }, "end": { "local": "2066-09-09T21:29:04+08:00", "utc": "2066-09-09T13:29:04Z", "ms": 3051264543875.611 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:42 on Thu 9 Sep to 07:05 on Fri 10 Sep.", "fact": "2066-09-08T21:41:55Z → 2066-09-09T23:05:22Z" }, { "step": "kaala", "text": "Moonrise is at 20:46 on the 8th and 21:29 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32135 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Fuzhou, 2066: Thursday 9 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": "2066-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Candra Ṣaṣṭhī 2066 falls on Thursday 9 September. Ṣaṣṭhī runs from 05:42 on Thu 9 Sep to 07:05 on Fri 10 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23873, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-09-11T09:06:15+08:00", "utc": "2066-09-11T01:06:15Z", "ms": 3051392775002.067 }, "end": { "local": "2066-09-12T11:32:30+08:00", "utc": "2066-09-12T03:32:30Z", "ms": 3051487950032.7593 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-11T09:06:15+08:00", "utc": "2066-09-11T01:06:15Z", "ms": 3051392775002.067 }, "end": { "local": "2066-09-12T11:32:30+08:00", "utc": "2066-09-12T03:32:30Z", "ms": 3051487950032.7593 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-09-11", "window": { "start": { "local": "2066-09-11T18:11:29+08:00", "utc": "2066-09-11T10:11:29Z", "ms": 3051425489435.449 }, "end": { "local": "2066-09-11T19:44:19+08:00", "utc": "2066-09-11T11:44:19Z", "ms": 3051431058835.5625 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2066-09-12", "window": { "start": { "local": "2066-09-12T18:10:23+08:00", "utc": "2066-09-12T10:10:23Z", "ms": 3051511823050.244 }, "end": { "local": "2066-09-12T19:43:24+08:00", "utc": "2066-09-12T11:43:24Z", "ms": 3051517404483.064 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:06 on Sat 11 Sep to 11:33 on Sun 12 Sep.", "fact": "2066-09-11T01:06:15Z → 2066-09-12T03:32:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:44 on the 11th, 18:10–19:43 on the 12th.", "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 11th and 0 of 93 on the 12th.", "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 23873 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Fuzhou, 2066: Saturday 11 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": "2066-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Jitāṣṭamī (Jitiya) 2066 falls on Saturday 11 September. Aṣṭamī runs from 09:06 on Sat 11 Sep to 11:33 on Sun 12 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39080, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-09-11T09:06:15+08:00", "utc": "2066-09-11T01:06:15Z", "ms": 3051392775002.067 }, "end": { "local": "2066-09-12T11:32:30+08:00", "utc": "2066-09-12T03:32:30Z", "ms": 3051487950032.7593 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-11T09:06:15+08:00", "utc": "2066-09-11T01:06:15Z", "ms": 3051392775002.067 }, "end": { "local": "2066-09-12T11:32:30+08:00", "utc": "2066-09-12T03:32:30Z", "ms": 3051487950032.7593 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-09-10", "window": { "start": { "local": "2066-09-10T22:14:55+08:00", "utc": "2066-09-10T14:14:55Z", "ms": 3051353694908.5337 }, "end": { "local": "2066-09-10T22:14:55+08:00", "utc": "2066-09-10T14:14:55Z", "ms": 3051353694908.5337 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-09-11", "window": { "start": { "local": "2066-09-11T23:03:45+08:00", "utc": "2066-09-11T15:03:45Z", "ms": 3051443024757.6074 }, "end": { "local": "2066-09-11T23:03:45+08:00", "utc": "2066-09-11T15:03:45Z", "ms": 3051443024757.6074 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:06 on Sat 11 Sep to 11:33 on Sun 12 Sep.", "fact": "2066-09-11T01:06:15Z → 2066-09-12T03:32:30Z" }, { "step": "kaala", "text": "Moonrise is at 22:15 on the 10th and 23:04 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39080 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Fuzhou, 2066: Saturday 11 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": "2066-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahālakṣmī Vrata Samāpana 2066 falls on Saturday 11 September. Aṣṭamī runs from 09:06 on Sat 11 Sep to 11:33 on Sun 12 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-09-15", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39036, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-09-14T16:39:03+08:00", "utc": "2066-09-14T08:39:03Z", "ms": 3051679143369.078 }, "end": { "local": "2066-09-15T18:49:03+08:00", "utc": "2066-09-15T10:49:03Z", "ms": 3051773342568.2134 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-14T16:39:03+08:00", "utc": "2066-09-14T08:39:03Z", "ms": 3051679143369.078 }, "end": { "local": "2066-09-15T18:49:03+08:00", "utc": "2066-09-15T10:49:03Z", "ms": 3051773342568.2134 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-09-14", "window": { "start": { "local": "2066-09-14T05:48:28+08:00", "utc": "2066-09-13T21:48:28Z", "ms": 3051640107674.4746 }, "end": { "local": "2066-09-14T05:48:28+08:00", "utc": "2066-09-13T21:48:28Z", "ms": 3051640107674.4746 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-09-15", "window": { "start": { "local": "2066-09-15T05:48:52+08:00", "utc": "2066-09-14T21:48:52Z", "ms": 3051726531582.212 }, "end": { "local": "2066-09-15T05:48:52+08:00", "utc": "2066-09-14T21:48:52Z", "ms": 3051726531582.212 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:39 on Tue 14 Sep to 18:49 on Wed 15 Sep.", "fact": "2066-09-14T08:39:03Z → 2066-09-15T10:49:03Z" }, { "step": "kaala", "text": "Sunrise is at 05:48 on the 14th and 05:49 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39036 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Fuzhou, 2066: Wednesday 15 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": "2066-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Indirā Ekādaśī 2066 falls on Wednesday 15 September. Ekādaśī runs from 16:39 on Tue 14 Sep to 18:49 on Wed 15 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-09-15", "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/2066/pradosha-vrata?on=2066-09-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2920, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-09-16T20:28:26+08:00", "utc": "2066-09-16T12:28:26Z", "ms": 3051865706039.714 }, "end": { "local": "2066-09-17T21:31:37+08:00", "utc": "2066-09-17T13:31:37Z", "ms": 3051955896966.6714 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-16T20:28:26+08:00", "utc": "2066-09-16T12:28:26Z", "ms": 3051865706039.714 }, "end": { "local": "2066-09-17T21:31:37+08:00", "utc": "2066-09-17T13:31:37Z", "ms": 3051955896966.6714 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-09-16", "window": { "start": { "local": "2066-09-16T18:05:56+08:00", "utc": "2066-09-16T10:05:56Z", "ms": 3051857156232.9595 }, "end": { "local": "2066-09-16T19:39:46+08:00", "utc": "2066-09-16T11:39:46Z", "ms": 3051862786006.131 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2066-09-17", "window": { "start": { "local": "2066-09-17T18:04:49+08:00", "utc": "2066-09-17T10:04:49Z", "ms": 3051943489336.9775 }, "end": { "local": "2066-09-17T19:38:51+08:00", "utc": "2066-09-17T11:38:51Z", "ms": 3051949131238.0776 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:28 on Thu 16 Sep to 21:32 on Fri 17 Sep.", "fact": "2066-09-16T12:28:26Z → 2066-09-17T13:31:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:40 on the 16th, 18:05–19:39 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 94 minutes on the 16th and 94 of 94 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 2920 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2066: Friday 17 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": "2066-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-17", "confidence": "boundary" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2066 falls on Friday 17 September. Trayodaśī runs from 20:28 on Thu 16 Sep to 21:32 on Fri 17 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-09-17", "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/2066/shivaratri?on=2066-09-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5740, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-09-17T21:31:37+08:00", "utc": "2066-09-17T13:31:37Z", "ms": 3051955896966.6714 }, "end": { "local": "2066-09-18T21:57:25+08:00", "utc": "2066-09-18T13:57:25Z", "ms": 3052043845309.216 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-17T21:31:37+08:00", "utc": "2066-09-17T13:31:37Z", "ms": 3051955896966.6714 }, "end": { "local": "2066-09-18T21:57:25+08:00", "utc": "2066-09-18T13:57:25Z", "ms": 3052043845309.216 } }, "kaala": "nishita", "days": [ { "local_date": "2066-09-17", "window": { "start": { "local": "2066-09-17T23:33:26+08:00", "utc": "2066-09-17T15:33:26Z", "ms": 3051963206466.1025 }, "end": { "local": "2066-09-18T00:21:26+08:00", "utc": "2066-09-17T16:21:26Z", "ms": 3051966086466.1025 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-09-18", "window": { "start": { "local": "2066-09-18T23:33:05+08:00", "utc": "2066-09-18T15:33:05Z", "ms": 3052049585072.8438 }, "end": { "local": "2066-09-19T00:21:05+08:00", "utc": "2066-09-18T16:21:05Z", "ms": 3052052465072.8438 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:32 on Fri 17 Sep to 21:57 on Sat 18 Sep.", "fact": "2066-09-17T13:31:37Z → 2066-09-18T13:57:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:33–00:21 on the 17th, 23:33–00:21 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5740 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2066: Friday 17 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": "2066-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2066 falls on Friday 17 September. Caturdaśī runs from 21:32 on Fri 17 Sep to 21:57 on Sat 18 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/shivaratri?on=2066-09-17", "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/2066/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22320, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2066-09-18T21:57:25+08:00", "utc": "2066-09-18T13:57:25Z", "ms": 3052043845309.216 }, "end": { "local": "2066-09-19T21:48:10+08:00", "utc": "2066-09-19T13:48:10Z", "ms": 3052129689671.8574 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-18T21:57:25+08:00", "utc": "2066-09-18T13:57:25Z", "ms": 3052043845309.216 }, "end": { "local": "2066-09-19T21:48:10+08:00", "utc": "2066-09-19T13:48:10Z", "ms": 3052129689671.8574 } }, "kaala": "aparahna", "days": [ { "local_date": "2066-09-18", "window": { "start": { "local": "2066-09-18T13:10:15+08:00", "utc": "2066-09-18T05:10:15Z", "ms": 3052012214886.4785 }, "end": { "local": "2066-09-18T15:36:59+08:00", "utc": "2066-09-18T07:36:59Z", "ms": 3052021018650.229 } }, "covered_min": 0, "window_min": 147, "qualifies": false }, { "local_date": "2066-09-19", "window": { "start": { "local": "2066-09-19T13:09:44+08:00", "utc": "2066-09-19T05:09:44Z", "ms": 3052098584385.5107 }, "end": { "local": "2066-09-19T15:36:10+08:00", "utc": "2066-09-19T07:36:10Z", "ms": 3052107369936.7783 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 21:57 on Sat 18 Sep to 21:48 on Sun 19 Sep.", "fact": "2066-09-18T13:57:25Z → 2066-09-19T13:48:10Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:10–15:37 on the 18th, 13:10–15:36 on the 19th.", "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 18th and 146 of 146 on the 19th.", "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 22320 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Fuzhou, 2066: Sunday 19 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": "2066-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahālaya Amāvāsyā 2066 falls on Sunday 19 September. Amāvasyā runs from 21:57 on Sat 18 Sep to 21:48 on Sun 19 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31694, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-09-19T21:48:10+08:00", "utc": "2066-09-19T13:48:10Z", "ms": 3052129689671.8574 }, "end": { "local": "2066-09-20T21:08:24+08:00", "utc": "2066-09-20T13:08:24Z", "ms": 3052213703801.5317 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-19T21:48:10+08:00", "utc": "2066-09-19T13:48:10Z", "ms": 3052129689671.8574 }, "end": { "local": "2066-09-20T21:08:24+08:00", "utc": "2066-09-20T13:08:24Z", "ms": 3052213703801.5317 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-09-19", "window": { "start": { "local": "2066-09-19T11:32:32+08:00", "utc": "2066-09-19T03:32:32Z", "ms": 3052092751609.877 }, "end": { "local": "2066-09-19T12:20:32+08:00", "utc": "2066-09-19T04:20:32Z", "ms": 3052095631609.877 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-09-20", "window": { "start": { "local": "2066-09-20T11:32:10+08:00", "utc": "2066-09-20T03:32:10Z", "ms": 3052179130267.012 }, "end": { "local": "2066-09-20T12:20:10+08:00", "utc": "2066-09-20T04:20:10Z", "ms": 3052182010267.012 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 21:48 on Sun 19 Sep to 21:08 on Mon 20 Sep.", "fact": "2066-09-19T13:48:10Z → 2066-09-20T13:08:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 19th, 11:32–12:20 on the 20th.", "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 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31694 s" }, { "step": "ruling", "text": "Navarātrārambha, Fuzhou, 2066: Monday 20 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Navratri) 2066 falls on Monday 20 September. Pratipadā runs from 21:48 on Sun 19 Sep to 21:08 on Mon 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-09-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16994, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-09-22T18:40:02+08:00", "utc": "2066-09-22T10:40:02Z", "ms": 3052377602109.318 }, "end": { "local": "2066-09-23T17:02:21+08:00", "utc": "2066-09-23T09:02:21Z", "ms": 3052458141027.89 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-22T18:40:02+08:00", "utc": "2066-09-22T10:40:02Z", "ms": 3052377602109.318 }, "end": { "local": "2066-09-23T17:02:21+08:00", "utc": "2066-09-23T09:02:21Z", "ms": 3052458141027.89 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-09-22", "window": { "start": { "local": "2066-09-22T11:31:28+08:00", "utc": "2066-09-22T03:31:28Z", "ms": 3052351887803.043 }, "end": { "local": "2066-09-22T12:19:28+08:00", "utc": "2066-09-22T04:19:28Z", "ms": 3052354767803.043 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-09-23", "window": { "start": { "local": "2066-09-23T11:31:07+08:00", "utc": "2066-09-23T03:31:07Z", "ms": 3052438266714.9653 }, "end": { "local": "2066-09-23T12:19:07+08:00", "utc": "2066-09-23T04:19:07Z", "ms": 3052441146714.9653 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:40 on Wed 22 Sep to 17:02 on Thu 23 Sep.", "fact": "2066-09-22T10:40:02Z → 2066-09-23T09:02:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 22nd, 11:31–12:19 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16994 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2066: Thursday 23 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": "2066-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2066 falls on Thursday 23 September. Caturthī runs from 18:40 on Wed 22 Sep to 17:02 on Thu 23 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/vinayaka-chaturthi?on=2066-09-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16785, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-09-25T13:20:29+08:00", "utc": "2066-09-25T05:20:29Z", "ms": 3052617629119.206 }, "end": { "local": "2066-09-26T11:21:10+08:00", "utc": "2066-09-26T03:21:10Z", "ms": 3052696870249.7314 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-25T13:20:29+08:00", "utc": "2066-09-25T05:20:29Z", "ms": 3052617629119.206 }, "end": { "local": "2066-09-26T11:21:10+08:00", "utc": "2066-09-26T03:21:10Z", "ms": 3052696870249.7314 } }, "kaala": "udaya-1", "days": [ { "local_date": "2066-09-25", "window": { "start": { "local": "2066-09-25T05:52:55+08:00", "utc": "2066-09-24T21:52:55Z", "ms": 3052590774631.871 }, "end": { "local": "2066-09-25T06:41:07+08:00", "utc": "2066-09-24T22:41:07Z", "ms": 3052593666669.1274 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-09-26", "window": { "start": { "local": "2066-09-26T05:53:20+08:00", "utc": "2066-09-25T21:53:20Z", "ms": 3052677199555.1064 }, "end": { "local": "2066-09-26T06:41:26+08:00", "utc": "2066-09-25T22:41:26Z", "ms": 3052680085511.9385 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:20 on Sat 25 Sep to 11:21 on Sun 26 Sep.", "fact": "2066-09-25T05:20:29Z → 2066-09-26T03:21:10Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:53–06:41 on the 25th, 05:53–06:41 on the 26th.", "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 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16785 s" }, { "step": "ruling", "text": "Durgā Saptamī, Fuzhou, 2066: Sunday 26 September.", "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": "2066-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Saptamī 2066 falls on Sunday 26 September. Saptamī runs from 13:20 on Sat 25 Sep to 11:21 on Sun 26 Sep and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 534, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-09-26T11:21:10+08:00", "utc": "2066-09-26T03:21:10Z", "ms": 3052696870249.7314 }, "end": { "local": "2066-09-27T09:18:08+08:00", "utc": "2066-09-27T01:18:08Z", "ms": 3052775888344.299 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-26T11:21:10+08:00", "utc": "2066-09-26T03:21:10Z", "ms": 3052696870249.7314 }, "end": { "local": "2066-09-27T09:18:08+08:00", "utc": "2066-09-27T01:18:08Z", "ms": 3052775888344.299 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-09-26", "window": { "start": { "local": "2066-09-26T11:30:04+08:00", "utc": "2066-09-26T03:30:04Z", "ms": 3052697404231.3457 }, "end": { "local": "2066-09-26T12:18:04+08:00", "utc": "2066-09-26T04:18:04Z", "ms": 3052700284231.3457 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-09-27", "window": { "start": { "local": "2066-09-27T11:29:44+08:00", "utc": "2066-09-27T03:29:44Z", "ms": 3052783783724.5127 }, "end": { "local": "2066-09-27T12:17:44+08:00", "utc": "2066-09-27T04:17:44Z", "ms": 3052786663724.5127 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:21 on Sun 26 Sep to 09:18 on Mon 27 Sep.", "fact": "2066-09-26T03:21:10Z → 2066-09-27T01:18:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 26th, 11:30–12:18 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 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 534 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Fuzhou, 2066: Sunday 26 September.", "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": "2066-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahāṣṭamī (Durga Ashtami) 2066 falls on Sunday 26 September. Aṣṭamī runs from 11:21 on Sun 26 Sep to 09:18 on Mon 27 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7895, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2066-09-27T09:18:08+08:00", "utc": "2066-09-27T01:18:08Z", "ms": 3052775888344.299 }, "end": { "local": "2066-09-28T07:12:29+08:00", "utc": "2066-09-27T23:12:29Z", "ms": 3052854749120.4478 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-27T09:18:08+08:00", "utc": "2066-09-27T01:18:08Z", "ms": 3052775888344.299 }, "end": { "local": "2066-09-28T07:12:29+08:00", "utc": "2066-09-27T23:12:29Z", "ms": 3052854749120.4478 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-09-27", "window": { "start": { "local": "2066-09-27T11:29:44+08:00", "utc": "2066-09-27T03:29:44Z", "ms": 3052783783724.5127 }, "end": { "local": "2066-09-27T12:17:44+08:00", "utc": "2066-09-27T04:17:44Z", "ms": 3052786663724.5127 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-09-28", "window": { "start": { "local": "2066-09-28T11:29:23+08:00", "utc": "2066-09-28T03:29:23Z", "ms": 3052870163410.948 }, "end": { "local": "2066-09-28T12:17:23+08:00", "utc": "2066-09-28T04:17:23Z", "ms": 3052873043410.948 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 09:18 on Mon 27 Sep to 07:12 on Tue 28 Sep.", "fact": "2066-09-27T01:18:08Z → 2066-09-27T23:12:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 27th, 11:29–12:17 on the 28th.", "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 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7895 s" }, { "step": "ruling", "text": "Mahānavamī, Fuzhou, 2066: Monday 27 September.", "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": "2066-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahānavamī 2066 falls on Monday 27 September. Navamī runs from 09:18 on Mon 27 Sep to 07:12 on Tue 28 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2931, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2066-09-28T07:12:29+08:00", "utc": "2066-09-27T23:12:29Z", "ms": 3052854749120.4478 }, "end": { "local": "2066-09-29T05:05:45+08:00", "utc": "2066-09-28T21:05:45Z", "ms": 3052933544784.027 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-28T07:12:29+08:00", "utc": "2066-09-27T23:12:29Z", "ms": 3052854749120.4478 }, "end": { "local": "2066-09-29T05:05:45+08:00", "utc": "2066-09-28T21:05:45Z", "ms": 3052933544784.027 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-09-28", "window": { "start": { "local": "2066-09-28T11:29:23+08:00", "utc": "2066-09-28T03:29:23Z", "ms": 3052870163410.948 }, "end": { "local": "2066-09-28T12:17:23+08:00", "utc": "2066-09-28T04:17:23Z", "ms": 3052873043410.948 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-09-29", "window": { "start": { "local": "2066-09-29T11:29:03+08:00", "utc": "2066-09-29T03:29:03Z", "ms": 3052956543311.875 }, "end": { "local": "2066-09-29T12:17:03+08:00", "utc": "2066-09-29T04:17:03Z", "ms": 3052959423311.875 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 07:12 on Tue 28 Sep to 05:06 on Wed 29 Sep.", "fact": "2066-09-27T23:12:29Z → 2066-09-28T21:05:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 28th, 11:29–12:17 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2931 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Fuzhou, 2066: Tuesday 28 September.", "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": "2066-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Daśamī (Dussehra) 2066 falls on Tuesday 28 September. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 07:12 on Tue 28 Sep to 05:06 on Wed 29 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-09-29", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2931, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-09-29T05:05:45+08:00", "utc": "2066-09-28T21:05:45Z", "ms": 3052933544784.027 }, "end": { "local": "2066-09-30T03:00:24+08:00", "utc": "2066-09-29T19:00:24Z", "ms": 3053012423737.7275 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-29T05:05:45+08:00", "utc": "2066-09-28T21:05:45Z", "ms": 3052933544784.027 }, "end": { "local": "2066-09-30T03:00:24+08:00", "utc": "2066-09-29T19:00:24Z", "ms": 3053012423737.7275 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-09-29", "window": { "start": { "local": "2066-09-29T05:54:35+08:00", "utc": "2066-09-28T21:54:35Z", "ms": 3052936475311.0347 }, "end": { "local": "2066-09-29T05:54:35+08:00", "utc": "2066-09-28T21:54:35Z", "ms": 3052936475311.0347 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-09-30", "window": { "start": { "local": "2066-09-30T05:55:01+08:00", "utc": "2066-09-29T21:55:01Z", "ms": 3053022900940.3887 }, "end": { "local": "2066-09-30T05:55:01+08:00", "utc": "2066-09-29T21:55:01Z", "ms": 3053022900940.3887 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:06 on Wed 29 Sep to 03:00 on Thu 30 Sep.", "fact": "2066-09-28T21:05:45Z → 2066-09-29T19:00:24Z" }, { "step": "kaala", "text": "Sunrise is at 05:55 on the 29th and 05:55 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not 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 2931 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Fuzhou, 2066: Wednesday 29 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": "2066-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāśāṅkuśā Ekādaśī 2066 falls on Wednesday 29 September. Ekādaśī runs from 05:06 on Wed 29 Sep to 03:00 on Thu 30 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-09-29", "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/2066/pradosha-vrata?on=2066-10-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13429, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-10-01T01:00:09+08:00", "utc": "2066-09-30T17:00:09Z", "ms": 3053091609068.1084 }, "end": { "local": "2066-10-01T23:10:03+08:00", "utc": "2066-10-01T15:10:03Z", "ms": 3053171402621.8423 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-10-01T01:00:09+08:00", "utc": "2066-09-30T17:00:09Z", "ms": 3053091609068.1084 }, "end": { "local": "2066-10-01T23:10:03+08:00", "utc": "2066-10-01T15:10:03Z", "ms": 3053171402621.8423 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-09-30", "window": { "start": { "local": "2066-09-30T17:50:26+08:00", "utc": "2066-09-30T09:50:26Z", "ms": 3053065825958.692 }, "end": { "local": "2066-09-30T19:27:06+08:00", "utc": "2066-09-30T11:27:06Z", "ms": 3053071626068.984 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2066-10-01", "window": { "start": { "local": "2066-10-01T17:49:21+08:00", "utc": "2066-10-01T09:49:21Z", "ms": 3053152160908.299 }, "end": { "local": "2066-10-01T19:26:13+08:00", "utc": "2066-10-01T11:26:13Z", "ms": 3053157973169.254 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:00 on Fri 1 Oct to 23:10 on Fri 1 Oct.", "fact": "2066-09-30T17:00:09Z → 2066-10-01T15:10:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:27 on the 30th, 17:49–19:26 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 30th and 97 of 97 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 13429 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2066: Friday 1 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": "2066-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2066 falls on Friday 1 October. Trayodaśī runs from 01:00 on Fri 1 Oct to 23:10 on Fri 1 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-10-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3201, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-10-06T20:16:01+08:00", "utc": "2066-10-06T12:16:01Z", "ms": 3053592961293.555 }, "end": { "local": "2066-10-07T21:32:22+08:00", "utc": "2066-10-07T13:32:22Z", "ms": 3053683941668.0703 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-06T20:16:01+08:00", "utc": "2066-10-06T12:16:01Z", "ms": 3053592961293.555 }, "end": { "local": "2066-10-07T21:32:22+08:00", "utc": "2066-10-07T13:32:22Z", "ms": 3053683941668.0703 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-10-06", "window": { "start": { "local": "2066-10-06T19:22:40+08:00", "utc": "2066-10-06T11:22:40Z", "ms": 3053589760178.4746 }, "end": { "local": "2066-10-06T19:22:40+08:00", "utc": "2066-10-06T11:22:40Z", "ms": 3053589760178.4746 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-10-07", "window": { "start": { "local": "2066-10-07T20:07:47+08:00", "utc": "2066-10-07T12:07:47Z", "ms": 3053678867222.0757 }, "end": { "local": "2066-10-07T20:07:47+08:00", "utc": "2066-10-07T12:07:47Z", "ms": 3053678867222.0757 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:16 on Wed 6 Oct to 21:32 on Thu 7 Oct.", "fact": "2066-10-06T12:16:01Z → 2066-10-07T13:32:22Z" }, { "step": "kaala", "text": "Moonrise is at 19:23 on the 6th and 20:08 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3201 s" }, { "step": "ruling", "text": "Karaka Caturthī, Fuzhou, 2066: Thursday 7 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Karaka Caturthī (Karwa Chauth) 2066 falls on Thursday 7 October. Caturthī runs from 20:16 on Wed 6 Oct to 21:32 on Thu 7 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/sankashta-chaturthi?on=2066-10-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3201, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-10-06T20:16:01+08:00", "utc": "2066-10-06T12:16:01Z", "ms": 3053592961293.555 }, "end": { "local": "2066-10-07T21:32:22+08:00", "utc": "2066-10-07T13:32:22Z", "ms": 3053683941668.0703 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-06T20:16:01+08:00", "utc": "2066-10-06T12:16:01Z", "ms": 3053592961293.555 }, "end": { "local": "2066-10-07T21:32:22+08:00", "utc": "2066-10-07T13:32:22Z", "ms": 3053683941668.0703 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-10-06", "window": { "start": { "local": "2066-10-06T19:22:40+08:00", "utc": "2066-10-06T11:22:40Z", "ms": 3053589760178.4746 }, "end": { "local": "2066-10-06T19:22:40+08:00", "utc": "2066-10-06T11:22:40Z", "ms": 3053589760178.4746 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-10-07", "window": { "start": { "local": "2066-10-07T20:07:47+08:00", "utc": "2066-10-07T12:07:47Z", "ms": 3053678867222.0757 }, "end": { "local": "2066-10-07T20:07:47+08:00", "utc": "2066-10-07T12:07:47Z", "ms": 3053678867222.0757 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:16 on Wed 6 Oct to 21:32 on Thu 7 Oct.", "fact": "2066-10-06T12:16:01Z → 2066-10-07T13:32:22Z" }, { "step": "kaala", "text": "Moonrise is at 19:23 on the 6th and 20:08 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3201 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2066: Thursday 7 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": "2066-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2066 falls on Thursday 7 October. Caturthī runs from 20:16 on Wed 6 Oct to 21:32 on Thu 7 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/sankashta-chaturthi?on=2066-10-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20742, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-10-11T04:24:34+08:00", "utc": "2066-10-10T20:24:34Z", "ms": 3053967873933.2764 }, "end": { "local": "2066-10-12T07:00:35+08:00", "utc": "2066-10-11T23:00:35Z", "ms": 3054063634978.988 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-11T04:24:34+08:00", "utc": "2066-10-10T20:24:34Z", "ms": 3053967873933.2764 }, "end": { "local": "2066-10-12T07:00:35+08:00", "utc": "2066-10-11T23:00:35Z", "ms": 3054063634978.988 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-10-10", "window": { "start": { "local": "2066-10-10T22:38:52+08:00", "utc": "2066-10-10T14:38:52Z", "ms": 3053947132171.6025 }, "end": { "local": "2066-10-10T22:38:52+08:00", "utc": "2066-10-10T14:38:52Z", "ms": 3053947132171.6025 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-10-11", "window": { "start": { "local": "2066-10-11T23:32:03+08:00", "utc": "2066-10-11T15:32:03Z", "ms": 3054036722762.2046 }, "end": { "local": "2066-10-11T23:32:03+08:00", "utc": "2066-10-11T15:32:03Z", "ms": 3054036722762.2046 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:25 on Mon 11 Oct to 07:01 on Tue 12 Oct.", "fact": "2066-10-10T20:24:34Z → 2066-10-11T23:00:35Z" }, { "step": "kaala", "text": "Moonrise is at 22:39 on the 10th and 23:32 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20742 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Fuzhou, 2066: Monday 11 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Ahoyī Aṣṭamī 2066 falls on Monday 11 October. Aṣṭamī runs from 04:25 on Mon 11 Oct to 07:01 on Tue 12 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-10-15", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18335, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-10-14T11:07:05+08:00", "utc": "2066-10-14T03:07:05Z", "ms": 3054251225103.5312 }, "end": { "local": "2066-10-15T12:14:30+08:00", "utc": "2066-10-15T04:14:30Z", "ms": 3054341669830.3403 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-14T11:07:05+08:00", "utc": "2066-10-14T03:07:05Z", "ms": 3054251225103.5312 }, "end": { "local": "2066-10-15T12:14:30+08:00", "utc": "2066-10-15T04:14:30Z", "ms": 3054341669830.3403 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-10-14", "window": { "start": { "local": "2066-10-14T06:01:30+08:00", "utc": "2066-10-13T22:01:30Z", "ms": 3054232890209.7983 }, "end": { "local": "2066-10-14T06:01:30+08:00", "utc": "2066-10-13T22:01:30Z", "ms": 3054232890209.7983 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-10-15", "window": { "start": { "local": "2066-10-15T06:02:01+08:00", "utc": "2066-10-14T22:02:01Z", "ms": 3054319320763.7373 }, "end": { "local": "2066-10-15T06:02:01+08:00", "utc": "2066-10-14T22:02:01Z", "ms": 3054319320763.7373 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:07 on Thu 14 Oct to 12:14 on Fri 15 Oct.", "fact": "2066-10-14T03:07:05Z → 2066-10-15T04:14:30Z" }, { "step": "kaala", "text": "Sunrise is at 06:02 on the 14th and 06:02 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18335 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Fuzhou, 2066: Friday 15 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": "2066-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Ramā Ekādaśī 2066 falls on Friday 15 October. Ekādaśī runs from 11:07 on Thu 14 Oct to 12:14 on Fri 15 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-10-15", "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/2066/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17793, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-10-15T12:14:30+08:00", "utc": "2066-10-15T04:14:30Z", "ms": 3054341669830.3403 }, "end": { "local": "2066-10-16T12:37:29+08:00", "utc": "2066-10-16T04:37:29Z", "ms": 3054429448690.417 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-15T12:14:30+08:00", "utc": "2066-10-15T04:14:30Z", "ms": 3054341669830.3403 }, "end": { "local": "2066-10-16T12:37:29+08:00", "utc": "2066-10-16T04:37:29Z", "ms": 3054429448690.417 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-10-15", "window": { "start": { "local": "2066-10-15T17:34:59+08:00", "utc": "2066-10-15T09:34:59Z", "ms": 3054360898764.461 }, "end": { "local": "2066-10-15T19:14:39+08:00", "utc": "2066-10-15T11:14:39Z", "ms": 3054366879160.99 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2066-10-16", "window": { "start": { "local": "2066-10-16T17:34:02+08:00", "utc": "2066-10-16T09:34:02Z", "ms": 3054447241809.036 }, "end": { "local": "2066-10-16T19:13:54+08:00", "utc": "2066-10-16T11:13:54Z", "ms": 3054453233986.4087 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:14 on Fri 15 Oct to 12:37 on Sat 16 Oct.", "fact": "2066-10-15T04:14:30Z → 2066-10-16T04:37:29Z" }, { "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": "Dvādaśī 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. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17793 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Fuzhou, 2066: Friday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Govatsa Dvādaśī (Vasu Baras) 2066 falls on Friday 15 October. Dvādaśī runs from 12:14 on Fri 15 Oct to 12:37 on Sat 16 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17793, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-10-16T12:37:29+08:00", "utc": "2066-10-16T04:37:29Z", "ms": 3054429448690.417 }, "end": { "local": "2066-10-17T12:16:41+08:00", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-16T12:37:29+08:00", "utc": "2066-10-16T04:37:29Z", "ms": 3054429448690.417 }, "end": { "local": "2066-10-17T12:16:41+08:00", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-10-16", "window": { "start": { "local": "2066-10-16T17:34:02+08:00", "utc": "2066-10-16T09:34:02Z", "ms": 3054447241809.036 }, "end": { "local": "2066-10-16T19:13:54+08:00", "utc": "2066-10-16T11:13:54Z", "ms": 3054453233986.4087 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2066-10-17", "window": { "start": { "local": "2066-10-17T17:33:06+08:00", "utc": "2066-10-17T09:33:06Z", "ms": 3054533585615.956 }, "end": { "local": "2066-10-17T19:13:10+08:00", "utc": "2066-10-17T11:13:10Z", "ms": 3054539589529.899 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:37 on Sat 16 Oct to 12:17 on Sun 17 Oct.", "fact": "2066-10-16T04:37:29Z → 2066-10-17T04:16:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:34–19:14 on the 16th, 17:33–19:13 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 100 of 100 minutes on the 16th and 0 of 100 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 17793 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Fuzhou, 2066: Saturday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Dīpadāna 2066 falls on Saturday 16 October. Trayodaśī runs from 12:37 on Sat 16 Oct to 12:17 on Sun 17 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/pradosha-vrata?on=2066-10-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17793, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-10-16T12:37:29+08:00", "utc": "2066-10-16T04:37:29Z", "ms": 3054429448690.417 }, "end": { "local": "2066-10-17T12:16:41+08:00", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-16T12:37:29+08:00", "utc": "2066-10-16T04:37:29Z", "ms": 3054429448690.417 }, "end": { "local": "2066-10-17T12:16:41+08:00", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-10-16", "window": { "start": { "local": "2066-10-16T17:34:02+08:00", "utc": "2066-10-16T09:34:02Z", "ms": 3054447241809.036 }, "end": { "local": "2066-10-16T19:13:54+08:00", "utc": "2066-10-16T11:13:54Z", "ms": 3054453233986.4087 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2066-10-17", "window": { "start": { "local": "2066-10-17T17:33:06+08:00", "utc": "2066-10-17T09:33:06Z", "ms": 3054533585615.956 }, "end": { "local": "2066-10-17T19:13:10+08:00", "utc": "2066-10-17T11:13:10Z", "ms": 3054539589529.899 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:37 on Sat 16 Oct to 12:17 on Sun 17 Oct.", "fact": "2066-10-16T04:37:29Z → 2066-10-17T04:16:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:34–19:14 on the 16th, 17:33–19:13 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 100 of 100 minutes on the 16th and 0 of 100 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 17793 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2066: Saturday 16 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": "2066-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2066 falls on Saturday 16 October. Trayodaśī runs from 12:37 on Sat 16 Oct to 12:17 on Sun 17 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-10-16", "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/2066/shivaratri?on=2066-10-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39845, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-10-17T12:16:41+08:00", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 }, "end": { "local": "2066-10-18T11:16:25+08:00", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-17T12:16:41+08:00", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 }, "end": { "local": "2066-10-18T11:16:25+08:00", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 } }, "kaala": "nishita", "days": [ { "local_date": "2066-10-16", "window": { "start": { "local": "2066-10-16T23:24:32+08:00", "utc": "2066-10-16T15:24:32Z", "ms": 3054468272474.183 }, "end": { "local": "2066-10-17T00:12:32+08:00", "utc": "2066-10-16T16:12:32Z", "ms": 3054471152474.183 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-10-17", "window": { "start": { "local": "2066-10-17T23:24:20+08:00", "utc": "2066-10-17T15:24:20Z", "ms": 3054554660293.242 }, "end": { "local": "2066-10-18T00:12:20+08:00", "utc": "2066-10-17T16:12:20Z", "ms": 3054557540293.242 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:17 on Sun 17 Oct to 11:16 on Mon 18 Oct.", "fact": "2066-10-17T04:16:41Z → 2066-10-18T03:16:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:25–00:13 on the 16th, 23:24–00:12 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39845 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2066: Sunday 17 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": "2066-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2066 falls on Sunday 17 October. Caturdaśī runs from 12:17 on Sun 17 Oct to 11:16 on Mon 18 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/shivaratri?on=2066-10-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18770, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-10-17T12:16:41+08:00", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 }, "end": { "local": "2066-10-18T11:16:25+08:00", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-17T12:16:41+08:00", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 }, "end": { "local": "2066-10-18T11:16:25+08:00", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 } }, "kaala": "arunodaya", "days": [ { "local_date": "2066-10-17", "window": { "start": { "local": "2066-10-17T04:23:11+08:00", "utc": "2066-10-16T20:23:11Z", "ms": 3054486190961.9575 }, "end": { "local": "2066-10-17T06:03:03+08:00", "utc": "2066-10-16T22:03:03Z", "ms": 3054492183139.33 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "2066-10-18", "window": { "start": { "local": "2066-10-18T04:23:31+08:00", "utc": "2066-10-17T20:23:31Z", "ms": 3054572611056.586 }, "end": { "local": "2066-10-18T06:03:35+08:00", "utc": "2066-10-17T22:03:35Z", "ms": 3054578614970.529 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:17 on Sun 17 Oct to 11:16 on Mon 18 Oct.", "fact": "2066-10-17T04:16:41Z → 2066-10-18T03:16:25Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:23–06:03 on the 17th, 04:24–06:04 on the 18th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 100 minutes on the 17th and 100 of 100 on the 18th.", "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 18770 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Fuzhou, 2066: Monday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Naraka Caturdaśī (Choti Diwali) 2066 falls on Monday 18 October. Caturdaśī runs from 12:17 on Sun 17 Oct to 11:16 on Mon 18 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22545, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2066-10-18T11:16:25+08:00", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 }, "end": { "local": "2066-10-19T09:43:23+08:00", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-18T11:16:25+08:00", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 }, "end": { "local": "2066-10-19T09:43:23+08:00", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-10-18", "window": { "start": { "local": "2066-10-18T17:32:10+08:00", "utc": "2066-10-18T09:32:10Z", "ms": 3054619930209.8755 }, "end": { "local": "2066-10-18T19:12:26+08:00", "utc": "2066-10-18T11:12:26Z", "ms": 3054625945813.1914 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2066-10-19", "window": { "start": { "local": "2066-10-19T17:31:16+08:00", "utc": "2066-10-19T09:31:16Z", "ms": 3054706275614.6133 }, "end": { "local": "2066-10-19T19:11:43+08:00", "utc": "2066-10-19T11:11:43Z", "ms": 3054712302857.11 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 11:16 on Mon 18 Oct to 09:43 on Tue 19 Oct.", "fact": "2066-10-18T03:16:25Z → 2066-10-19T01:43:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:32–19:12 on the 18th, 17:31–19:12 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 100 of 100 minutes on the 18th and 0 of 100 on the 19th.", "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 22545 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Fuzhou, 2066: Monday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Lakṣmī Pūjā (Diwali) 2066 falls on Monday 18 October. Amāvasyā runs from 11:16 on Mon 18 Oct to 09:43 on Tue 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34275, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2066-10-18T11:16:25+08:00", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 }, "end": { "local": "2066-10-19T09:43:23+08:00", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-18T11:16:25+08:00", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 }, "end": { "local": "2066-10-19T09:43:23+08:00", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 } }, "kaala": "nishita", "days": [ { "local_date": "2066-10-17", "window": { "start": { "local": "2066-10-17T23:24:20+08:00", "utc": "2066-10-17T15:24:20Z", "ms": 3054554660293.242 }, "end": { "local": "2066-10-18T00:12:20+08:00", "utc": "2066-10-17T16:12:20Z", "ms": 3054557540293.242 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-10-18", "window": { "start": { "local": "2066-10-18T23:24:09+08:00", "utc": "2066-10-18T15:24:09Z", "ms": 3054641048722.3096 }, "end": { "local": "2066-10-19T00:12:09+08:00", "utc": "2066-10-18T16:12:09Z", "ms": 3054643928722.3096 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 11:16 on Mon 18 Oct to 09:43 on Tue 19 Oct.", "fact": "2066-10-18T03:16:25Z → 2066-10-19T01:43:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:24–00:12 on the 17th, 23:24–00:12 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34275 s" }, { "step": "ruling", "text": "Kālī Pūjā, Fuzhou, 2066: Monday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Kālī Pūjā 2066 falls on Monday 18 October. Amāvasyā runs from 11:16 on Mon 18 Oct to 09:43 on Tue 19 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6018, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-10-19T09:43:23+08:00", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "end": { "local": "2066-10-20T07:45:27+08:00", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-19T09:43:23+08:00", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "end": { "local": "2066-10-20T07:45:27+08:00", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-19", "window": { "start": { "local": "2066-10-19T11:23:41+08:00", "utc": "2066-10-19T03:23:41Z", "ms": 3054684221424.6787 }, "end": { "local": "2066-10-19T12:11:41+08:00", "utc": "2066-10-19T04:11:41Z", "ms": 3054687101424.6787 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-10-20", "window": { "start": { "local": "2066-10-20T11:23:31+08:00", "utc": "2066-10-20T03:23:31Z", "ms": 3054770610893.3154 }, "end": { "local": "2066-10-20T12:11:31+08:00", "utc": "2066-10-20T04:11:31Z", "ms": 3054773490893.3154 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:43 on Tue 19 Oct to 07:45 on Wed 20 Oct.", "fact": "2066-10-19T01:43:23Z → 2066-10-19T23:45:27Z" }, { "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": "Pratipadā 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: purvaviddha → only-day · margin 6018 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Fuzhou, 2066: Tuesday 19 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Govardhana Pūjā 2066 falls on Tuesday 19 October. Pratipadā runs from 09:43 on Tue 19 Oct to 07:45 on Wed 20 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28072, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-10-19T09:43:23+08:00", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "end": { "local": "2066-10-20T07:45:27+08:00", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-19T09:43:23+08:00", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "end": { "local": "2066-10-20T07:45:27+08:00", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-10-19", "window": { "start": { "local": "2066-10-19T17:31:16+08:00", "utc": "2066-10-19T09:31:16Z", "ms": 3054706275614.6133 }, "end": { "local": "2066-10-19T19:11:43+08:00", "utc": "2066-10-19T11:11:43Z", "ms": 3054712302857.11 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2066-10-20", "window": { "start": { "local": "2066-10-20T17:30:22+08:00", "utc": "2066-10-20T09:30:22Z", "ms": 3054792621853.2935 }, "end": { "local": "2066-10-20T19:11:01+08:00", "utc": "2066-10-20T11:11:01Z", "ms": 3054798660681.716 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:43 on Tue 19 Oct to 07:45 on Wed 20 Oct.", "fact": "2066-10-19T01:43:23Z → 2066-10-19T23:45:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:31–19:12 on the 19th, 17:30–19:11 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 100 of 100 minutes on the 19th and 0 of 101 on the 20th.", "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 28072 s" }, { "step": "ruling", "text": "Bali Pūjā, Fuzhou, 2066: Tuesday 19 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Bali Pūjā 2066 falls on Tuesday 19 October. Pratipadā runs from 09:43 on Tue 19 Oct to 07:45 on Wed 20 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13084, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2066-10-20T07:45:27+08:00", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 }, "end": { "local": "2066-10-21T05:30:43+08:00", "utc": "2066-10-20T21:30:43Z", "ms": 3054835843037.1274 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-20T07:45:27+08:00", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 }, "end": { "local": "2066-10-21T05:30:43+08:00", "utc": "2066-10-20T21:30:43Z", "ms": 3054835843037.1274 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-20", "window": { "start": { "local": "2066-10-20T11:23:31+08:00", "utc": "2066-10-20T03:23:31Z", "ms": 3054770610893.3154 }, "end": { "local": "2066-10-20T12:11:31+08:00", "utc": "2066-10-20T04:11:31Z", "ms": 3054773490893.3154 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-10-21", "window": { "start": { "local": "2066-10-21T11:23:21+08:00", "utc": "2066-10-21T03:23:21Z", "ms": 3054857001007.55 }, "end": { "local": "2066-10-21T12:11:21+08:00", "utc": "2066-10-21T04:11:21Z", "ms": 3054859881007.55 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 07:45 on Wed 20 Oct to 05:31 on Thu 21 Oct.", "fact": "2066-10-19T23:45:27Z → 2066-10-20T21:30:43Z" }, { "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": "Dvitīyā 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 13084 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Fuzhou, 2066: Wednesday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Dvitīyā (Bhai Dooj) 2066 falls on Wednesday 20 October. Dvitīyā runs from 07:45 on Wed 20 Oct to 05:31 on Thu 21 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-20", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 587, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-10-19T09:43:23+08:00", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "end": { "local": "2066-10-20T07:45:27+08:00", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-19T09:43:23+08:00", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "end": { "local": "2066-10-20T07:45:27+08:00", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 } }, "kaala": "purvahna", "days": [ { "local_date": "2066-10-19", "window": { "start": { "local": "2066-10-19T06:04:07+08:00", "utc": "2066-10-18T22:04:07Z", "ms": 3054665047234.744 }, "end": { "local": "2066-10-19T09:53:10+08:00", "utc": "2066-10-19T01:53:10Z", "ms": 3054678790028.0337 } }, "covered_min": 10, "window_min": 229, "qualifies": true }, { "local_date": "2066-10-20", "window": { "start": { "local": "2066-10-20T06:04:40+08:00", "utc": "2066-10-19T22:04:40Z", "ms": 3054751479933.338 }, "end": { "local": "2066-10-20T09:53:14+08:00", "utc": "2066-10-20T01:53:14Z", "ms": 3054765193906.6562 } }, "covered_min": 101, "window_min": 229, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:43 on Tue 19 Oct to 07:45 on Wed 20 Oct.", "fact": "2066-10-19T01:43:23Z → 2066-10-19T23:45:27Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:04–09:53 on the 19th, 06:05–09:53 on the 20th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 10 of 229 minutes on the 19th and 101 of 229 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 587 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Fuzhou, 2066: Wednesday 20 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2066-10-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-20", "confidence": "boundary" } ], "quote": "In Fuzhou, Dyūta Pratipad 2066 falls on Wednesday 20 October. Pratipadā runs from 09:43 on Tue 19 Oct to 07:45 on Wed 20 Oct and covers 101 of 229 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 10 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/2066/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/2066/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29784, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-10-22T03:06:48+08:00", "utc": "2066-10-21T19:06:48Z", "ms": 3054913607750.1504 }, "end": { "local": "2066-10-23T00:40:20+08:00", "utc": "2066-10-22T16:40:20Z", "ms": 3054991219956.9316 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-22T03:06:48+08:00", "utc": "2066-10-21T19:06:48Z", "ms": 3054913607750.1504 }, "end": { "local": "2066-10-23T00:40:20+08:00", "utc": "2066-10-22T16:40:20Z", "ms": 3054991219956.9316 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-22", "window": { "start": { "local": "2066-10-22T11:23:12+08:00", "utc": "2066-10-22T03:23:12Z", "ms": 3054943391778.332 }, "end": { "local": "2066-10-22T12:11:12+08:00", "utc": "2066-10-22T04:11:12Z", "ms": 3054946271778.332 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-10-23", "window": { "start": { "local": "2066-10-23T11:23:03+08:00", "utc": "2066-10-23T03:23:03Z", "ms": 3055029783216.51 }, "end": { "local": "2066-10-23T12:11:03+08:00", "utc": "2066-10-23T04:11:03Z", "ms": 3055032663216.51 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:07 on Fri 22 Oct to 00:40 on Sat 23 Oct.", "fact": "2066-10-21T19:06:48Z → 2066-10-22T16:40:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 22nd, 11:23–12:11 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29784 s" }, { "step": "ruling", "text": "Nāga Caturthī, Fuzhou, 2066: Friday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Caturthī 2066 falls on Friday 22 October. Caturthī runs from 03:07 on Fri 22 Oct to 00:40 on Sat 23 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-10-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29784, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-10-22T03:06:48+08:00", "utc": "2066-10-21T19:06:48Z", "ms": 3054913607750.1504 }, "end": { "local": "2066-10-23T00:40:20+08:00", "utc": "2066-10-22T16:40:20Z", "ms": 3054991219956.9316 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-22T03:06:48+08:00", "utc": "2066-10-21T19:06:48Z", "ms": 3054913607750.1504 }, "end": { "local": "2066-10-23T00:40:20+08:00", "utc": "2066-10-22T16:40:20Z", "ms": 3054991219956.9316 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-22", "window": { "start": { "local": "2066-10-22T11:23:12+08:00", "utc": "2066-10-22T03:23:12Z", "ms": 3054943391778.332 }, "end": { "local": "2066-10-22T12:11:12+08:00", "utc": "2066-10-22T04:11:12Z", "ms": 3054946271778.332 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-10-23", "window": { "start": { "local": "2066-10-23T11:23:03+08:00", "utc": "2066-10-23T03:23:03Z", "ms": 3055029783216.51 }, "end": { "local": "2066-10-23T12:11:03+08:00", "utc": "2066-10-23T04:11:03Z", "ms": 3055032663216.51 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:07 on Fri 22 Oct to 00:40 on Sat 23 Oct.", "fact": "2066-10-21T19:06:48Z → 2066-10-22T16:40:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 22nd, 11:23–12:11 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29784 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2066: Friday 22 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": "2066-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2066 falls on Friday 22 October. Caturthī runs from 03:07 on Fri 22 Oct to 00:40 on Sat 23 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/vinayaka-chaturthi?on=2066-10-22", "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/2066/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28140, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-10-23T22:16:42+08:00", "utc": "2066-10-23T14:16:42Z", "ms": 3055069002151.027 }, "end": { "local": "2066-10-24T19:59:55+08:00", "utc": "2066-10-24T11:59:55Z", "ms": 3055147195079.19 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-23T22:16:42+08:00", "utc": "2066-10-23T14:16:42Z", "ms": 3055069002151.027 }, "end": { "local": "2066-10-24T19:59:55+08:00", "utc": "2066-10-24T11:59:55Z", "ms": 3055147195079.19 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-23", "window": { "start": { "local": "2066-10-23T11:23:03+08:00", "utc": "2066-10-23T03:23:03Z", "ms": 3055029783216.51 }, "end": { "local": "2066-10-23T12:11:03+08:00", "utc": "2066-10-23T04:11:03Z", "ms": 3055032663216.51 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-10-24", "window": { "start": { "local": "2066-10-24T11:22:55+08:00", "utc": "2066-10-24T03:22:55Z", "ms": 3055116175333.189 }, "end": { "local": "2066-10-24T12:10:55+08:00", "utc": "2066-10-24T04:10:55Z", "ms": 3055119055333.189 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:17 on Sat 23 Oct to 20:00 on Sun 24 Oct.", "fact": "2066-10-23T14:16:42Z → 2066-10-24T11:59:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 23rd, 11:23–12:11 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28140 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Fuzhou, 2066: Sunday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Chhath) 2066 falls on Sunday 24 October. Ṣaṣṭhī runs from 22:17 on Sat 23 Oct to 20:00 on Sun 24 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13576, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-10-25T17:52:44+08:00", "utc": "2066-10-25T09:52:44Z", "ms": 3055225964225.631 }, "end": { "local": "2066-10-26T15:56:58+08:00", "utc": "2066-10-26T07:56:58Z", "ms": 3055305417837.3057 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-25T17:52:44+08:00", "utc": "2066-10-25T09:52:44Z", "ms": 3055225964225.631 }, "end": { "local": "2066-10-26T15:56:58+08:00", "utc": "2066-10-26T07:56:58Z", "ms": 3055305417837.3057 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-25", "window": { "start": { "local": "2066-10-25T11:22:48+08:00", "utc": "2066-10-25T03:22:48Z", "ms": 3055202568140.004 }, "end": { "local": "2066-10-25T12:10:48+08:00", "utc": "2066-10-25T04:10:48Z", "ms": 3055205448140.004 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-10-26", "window": { "start": { "local": "2066-10-26T11:22:42+08:00", "utc": "2066-10-26T03:22:42Z", "ms": 3055288961649.2617 }, "end": { "local": "2066-10-26T12:10:42+08:00", "utc": "2066-10-26T04:10:42Z", "ms": 3055291841649.2617 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:53 on Mon 25 Oct to 15:57 on Tue 26 Oct.", "fact": "2066-10-25T09:52:44Z → 2066-10-26T07:56:58Z" }, { "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": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13576 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Fuzhou, 2066: Tuesday 26 October.", "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": "2066-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Gopāṣṭamī 2066 falls on Tuesday 26 October. Aṣṭamī runs from 17:53 on Mon 25 Oct to 15:57 on Tue 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15596, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2066-10-26T15:56:58+08:00", "utc": "2066-10-26T07:56:58Z", "ms": 3055305417837.3057 }, "end": { "local": "2066-10-27T14:13:54+08:00", "utc": "2066-10-27T06:13:54Z", "ms": 3055385633643.93 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-26T15:56:58+08:00", "utc": "2066-10-26T07:56:58Z", "ms": 3055305417837.3057 }, "end": { "local": "2066-10-27T14:13:54+08:00", "utc": "2066-10-27T06:13:54Z", "ms": 3055385633643.93 } }, "kaala": "purvahna", "days": [ { "local_date": "2066-10-26", "window": { "start": { "local": "2066-10-26T06:08:05+08:00", "utc": "2066-10-25T22:08:05Z", "ms": 3055270085211.4653 }, "end": { "local": "2066-10-26T09:53:50+08:00", "utc": "2066-10-26T01:53:50Z", "ms": 3055283629503.3296 } }, "covered_min": 0, "window_min": 226, "qualifies": false }, { "local_date": "2066-10-27", "window": { "start": { "local": "2066-10-27T06:08:41+08:00", "utc": "2066-10-26T22:08:41Z", "ms": 3055356520929.395 }, "end": { "local": "2066-10-27T09:53:58+08:00", "utc": "2066-10-27T01:53:58Z", "ms": 3055370037559.102 } }, "covered_min": 225, "window_min": 225, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 15:57 on Tue 26 Oct to 14:14 on Wed 27 Oct.", "fact": "2066-10-26T07:56:58Z → 2066-10-27T06:13:54Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:08–09:54 on the 26th, 06:09–09:54 on the 27th.", "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 226 minutes on the 26th and 225 of 225 on the 27th.", "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 15596 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Fuzhou, 2066: Wednesday 27 October.", "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": "2066-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Akṣaya Navamī (Amla Navami) 2066 falls on Wednesday 27 October. Navamī runs from 15:57 on Tue 26 Oct to 14:14 on Wed 27 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7398, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2066-10-26T15:56:58+08:00", "utc": "2066-10-26T07:56:58Z", "ms": 3055305417837.3057 }, "end": { "local": "2066-10-27T14:13:54+08:00", "utc": "2066-10-27T06:13:54Z", "ms": 3055385633643.93 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-26T15:56:58+08:00", "utc": "2066-10-26T07:56:58Z", "ms": 3055305417837.3057 }, "end": { "local": "2066-10-27T14:13:54+08:00", "utc": "2066-10-27T06:13:54Z", "ms": 3055385633643.93 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-26", "window": { "start": { "local": "2066-10-26T11:22:42+08:00", "utc": "2066-10-26T03:22:42Z", "ms": 3055288961649.2617 }, "end": { "local": "2066-10-26T12:10:42+08:00", "utc": "2066-10-26T04:10:42Z", "ms": 3055291841649.2617 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-10-27", "window": { "start": { "local": "2066-10-27T11:22:36+08:00", "utc": "2066-10-27T03:22:36Z", "ms": 3055375355873.955 }, "end": { "local": "2066-10-27T12:10:36+08:00", "utc": "2066-10-27T04:10:36Z", "ms": 3055378235873.955 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 15:57 on Tue 26 Oct to 14:14 on Wed 27 Oct.", "fact": "2066-10-26T07:56:58Z → 2066-10-27T06:13:54Z" }, { "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": "Navamī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7398 s" }, { "step": "ruling", "text": "Durgā Navamī, Fuzhou, 2066: Wednesday 27 October.", "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": "2066-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Navamī 2066 falls on Wednesday 27 October. Navamī runs from 15:57 on Tue 26 Oct to 14:14 on Wed 27 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-10-29", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19294, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-10-28T12:44:49+08:00", "utc": "2066-10-28T04:44:49Z", "ms": 3055466688935.6104 }, "end": { "local": "2066-10-29T11:31:27+08:00", "utc": "2066-10-29T03:31:27Z", "ms": 3055548687219.5127 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-28T12:44:49+08:00", "utc": "2066-10-28T04:44:49Z", "ms": 3055466688935.6104 }, "end": { "local": "2066-10-29T11:31:27+08:00", "utc": "2066-10-29T03:31:27Z", "ms": 3055548687219.5127 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-10-28", "window": { "start": { "local": "2066-10-28T06:09:17+08:00", "utc": "2066-10-27T22:09:17Z", "ms": 3055442957076.9644 }, "end": { "local": "2066-10-28T06:09:17+08:00", "utc": "2066-10-27T22:09:17Z", "ms": 3055442957076.9644 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-10-29", "window": { "start": { "local": "2066-10-29T06:09:54+08:00", "utc": "2066-10-28T22:09:54Z", "ms": 3055529393655.1914 }, "end": { "local": "2066-10-29T06:09:54+08:00", "utc": "2066-10-28T22:09:54Z", "ms": 3055529393655.1914 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:45 on Thu 28 Oct to 11:31 on Fri 29 Oct.", "fact": "2066-10-28T04:44:49Z → 2066-10-29T03:31:27Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 28th and 06:10 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19294 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Fuzhou, 2066: Friday 29 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": "2066-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Prabodhinī Ekādaśī 2066 falls on Friday 29 October. Ekādaśī runs from 12:45 on Thu 28 Oct to 11:31 on Fri 29 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-10-29", "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/2066/pradosha-vrata?on=2066-10-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24360, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-10-30T10:36:15+08:00", "utc": "2066-10-30T02:36:15Z", "ms": 3055631775051.6196 }, "end": { "local": "2066-10-31T10:02:25+08:00", "utc": "2066-10-31T02:02:25Z", "ms": 3055716144507.5903 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-30T10:36:15+08:00", "utc": "2066-10-30T02:36:15Z", "ms": 3055631775051.6196 }, "end": { "local": "2066-10-31T10:02:25+08:00", "utc": "2066-10-31T02:02:25Z", "ms": 3055716144507.5903 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-10-30", "window": { "start": { "local": "2066-10-30T17:22:15+08:00", "utc": "2066-10-30T09:22:15Z", "ms": 3055656135291.6343 }, "end": { "local": "2066-10-30T19:04:46+08:00", "utc": "2066-10-30T11:04:46Z", "ms": 3055662286333.8213 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2066-10-31", "window": { "start": { "local": "2066-10-31T17:21:32+08:00", "utc": "2066-10-31T09:21:32Z", "ms": 3055742492299.7534 }, "end": { "local": "2066-10-31T19:04:14+08:00", "utc": "2066-10-31T11:04:14Z", "ms": 3055748654124.321 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:36 on Sat 30 Oct to 10:02 on Sun 31 Oct.", "fact": "2066-10-30T02:36:15Z → 2066-10-31T02:02:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:22–19:05 on the 30th, 17:22–19:04 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 30th and 0 of 103 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24360 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2066: Saturday 30 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": "2066-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2066 falls on Saturday 30 October. Trayodaśī runs from 10:36 on Sat 30 Oct to 10:02 on Sun 31 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-10-30", "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/2066/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4115, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-11-01T09:53:39+08:00", "utc": "2066-11-01T01:53:39Z", "ms": 3055802019059.4106 }, "end": { "local": "2066-11-02T10:13:43+08:00", "utc": "2066-11-02T02:13:43Z", "ms": 3055889622504.35 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-11-01T09:53:39+08:00", "utc": "2066-11-01T01:53:39Z", "ms": 3055802019059.4106 }, "end": { "local": "2066-11-02T10:13:43+08:00", "utc": "2066-11-02T02:13:43Z", "ms": 3055889622504.35 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-01", "window": { "start": { "local": "2066-11-01T11:22:18+08:00", "utc": "2066-11-01T03:22:18Z", "ms": 3055807338214.7173 }, "end": { "local": "2066-11-01T12:10:18+08:00", "utc": "2066-11-01T04:10:18Z", "ms": 3055810218214.7173 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-11-02", "window": { "start": { "local": "2066-11-02T11:22:17+08:00", "utc": "2066-11-02T03:22:17Z", "ms": 3055893737024.278 }, "end": { "local": "2066-11-02T12:10:17+08:00", "utc": "2066-11-02T04:10:17Z", "ms": 3055896617024.278 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:54 on Mon 1 Nov to 10:14 on Tue 2 Nov.", "fact": "2066-11-01T01:53:39Z → 2066-11-02T02:13:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 1st, 11:22–12:10 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4115 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Fuzhou, 2066: Monday 1 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": "2066-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Kārtikī Pūrṇimā 2066 falls on Monday 1 November. Pūrṇimā runs from 09:54 on Mon 1 Nov to 10:14 on Tue 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34980, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-11-01T09:53:39+08:00", "utc": "2066-11-01T01:53:39Z", "ms": 3055802019059.4106 }, "end": { "local": "2066-11-02T10:13:43+08:00", "utc": "2066-11-02T02:13:43Z", "ms": 3055889622504.35 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-11-01T09:53:39+08:00", "utc": "2066-11-01T01:53:39Z", "ms": 3055802019059.4106 }, "end": { "local": "2066-11-02T10:13:43+08:00", "utc": "2066-11-02T02:13:43Z", "ms": 3055889622504.35 } }, "kaala": "nishita", "days": [ { "local_date": "2066-10-31", "window": { "start": { "local": "2066-10-31T23:22:39+08:00", "utc": "2066-10-31T15:22:39Z", "ms": 3055764159141.882 }, "end": { "local": "2066-11-01T00:10:39+08:00", "utc": "2066-10-31T16:10:39Z", "ms": 3055767039141.882 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-11-01", "window": { "start": { "local": "2066-11-01T23:22:37+08:00", "utc": "2066-11-01T15:22:37Z", "ms": 3055850557369.038 }, "end": { "local": "2066-11-02T00:10:37+08:00", "utc": "2066-11-01T16:10:37Z", "ms": 3055853437369.038 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:54 on Mon 1 Nov to 10:14 on Tue 2 Nov.", "fact": "2066-11-01T01:53:39Z → 2066-11-02T02:13:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 31st, 23:23–00:11 on the 1st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34980 s" }, { "step": "ruling", "text": "Rāsayātrā, Fuzhou, 2066: Monday 1 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": "2066-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Rāsayātrā 2066 falls on Monday 1 November. Pūrṇimā runs from 09:54 on Mon 1 Nov to 10:14 on Tue 2 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/sankashta-chaturthi?on=2066-11-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13305, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-11-05T14:26:27+08:00", "utc": "2066-11-05T06:26:27Z", "ms": 3056163986690.9688 }, "end": { "local": "2066-11-06T16:48:33+08:00", "utc": "2066-11-06T08:48:33Z", "ms": 3056258912637.1753 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-05T14:26:27+08:00", "utc": "2066-11-05T06:26:27Z", "ms": 3056163986690.9688 }, "end": { "local": "2066-11-06T16:48:33+08:00", "utc": "2066-11-06T08:48:33Z", "ms": 3056258912637.1753 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-11-05", "window": { "start": { "local": "2066-11-05T19:38:22+08:00", "utc": "2066-11-05T11:38:22Z", "ms": 3056182702170.5347 }, "end": { "local": "2066-11-05T19:38:22+08:00", "utc": "2066-11-05T11:38:22Z", "ms": 3056182702170.5347 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-11-06", "window": { "start": { "local": "2066-11-06T20:30:18+08:00", "utc": "2066-11-06T12:30:18Z", "ms": 3056272217714.268 }, "end": { "local": "2066-11-06T20:30:18+08:00", "utc": "2066-11-06T12:30:18Z", "ms": 3056272217714.268 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:26 on Fri 5 Nov to 16:49 on Sat 6 Nov.", "fact": "2066-11-05T06:26:27Z → 2066-11-06T08:48:33Z" }, { "step": "kaala", "text": "Moonrise is at 19:38 on the 5th and 20:30 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 13305 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2066: Friday 5 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": "2066-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2066 falls on Friday 5 November. Caturthī runs from 14:26 on Fri 5 Nov to 16:49 on Sat 6 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/sankashta-chaturthi?on=2066-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/ekadashi?on=2066-11-13", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5397, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-11-13T04:49:55+08:00", "utc": "2066-11-12T20:49:55Z", "ms": 3056820595213.91 }, "end": { "local": "2066-11-14T04:40:20+08:00", "utc": "2066-11-13T20:40:20Z", "ms": 3056906420243.8066 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-13T04:49:55+08:00", "utc": "2066-11-12T20:49:55Z", "ms": 3056820595213.91 }, "end": { "local": "2066-11-14T04:40:20+08:00", "utc": "2066-11-13T20:40:20Z", "ms": 3056906420243.8066 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-11-13", "window": { "start": { "local": "2066-11-13T06:19:53+08:00", "utc": "2066-11-12T22:19:53Z", "ms": 3056825992626.634 }, "end": { "local": "2066-11-13T06:19:53+08:00", "utc": "2066-11-12T22:19:53Z", "ms": 3056825992626.634 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-11-14", "window": { "start": { "local": "2066-11-14T06:20:36+08:00", "utc": "2066-11-13T22:20:36Z", "ms": 3056912435534.7046 }, "end": { "local": "2066-11-14T06:20:36+08:00", "utc": "2066-11-13T22:20:36Z", "ms": 3056912435534.7046 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:50 on Sat 13 Nov to 04:40 on Sun 14 Nov.", "fact": "2066-11-12T20:49:55Z → 2066-11-13T20:40:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 13th and 06:21 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not 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 5397 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Fuzhou, 2066: Saturday 13 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": "2066-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Utpannā Ekādaśī 2066 falls on Saturday 13 November. Ekādaśī runs from 04:50 on Sat 13 Nov to 04:40 on Sun 14 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-11-13", "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/2066/pradosha-vrata?on=2066-11-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25484, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-11-15T03:43:04+08:00", "utc": "2066-11-14T19:43:04Z", "ms": 3056989384179.1807 }, "end": { "local": "2066-11-16T02:03:12+08:00", "utc": "2066-11-15T18:03:12Z", "ms": 3057069791717.3965 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-15T03:43:04+08:00", "utc": "2066-11-14T19:43:04Z", "ms": 3056989384179.1807 }, "end": { "local": "2066-11-16T02:03:12+08:00", "utc": "2066-11-15T18:03:12Z", "ms": 3057069791717.3965 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-11-14", "window": { "start": { "local": "2066-11-14T17:13:41+08:00", "utc": "2066-11-14T09:13:41Z", "ms": 3056951621493.61 }, "end": { "local": "2066-11-14T18:58:42+08:00", "utc": "2066-11-14T10:58:42Z", "ms": 3056957922457.7505 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2066-11-15", "window": { "start": { "local": "2066-11-15T17:13:18+08:00", "utc": "2066-11-15T09:13:18Z", "ms": 3057037998134.796 }, "end": { "local": "2066-11-15T18:58:28+08:00", "utc": "2066-11-15T10:58:28Z", "ms": 3057044308006.4136 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:43 on Mon 15 Nov to 02:03 on Tue 16 Nov.", "fact": "2066-11-14T19:43:04Z → 2066-11-15T18:03:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:59 on the 14th, 17:13–18:58 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 105 minutes on the 14th and 105 of 105 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25484 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2066: Monday 15 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": "2066-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2066 falls on Monday 15 November. Trayodaśī runs from 03:43 on Mon 15 Nov to 02:03 on Tue 16 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-11-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/shivaratri?on=2066-11-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1421, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-11-16T02:03:12+08:00", "utc": "2066-11-15T18:03:12Z", "ms": 3057069791717.3965 }, "end": { "local": "2066-11-16T23:48:10+08:00", "utc": "2066-11-16T15:48:10Z", "ms": 3057148090315.2246 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-16T02:03:12+08:00", "utc": "2066-11-15T18:03:12Z", "ms": 3057069791717.3965 }, "end": { "local": "2066-11-16T23:48:10+08:00", "utc": "2066-11-16T15:48:10Z", "ms": 3057148090315.2246 } }, "kaala": "nishita", "days": [ { "local_date": "2066-11-15", "window": { "start": { "local": "2066-11-15T23:23:40+08:00", "utc": "2066-11-15T15:23:40Z", "ms": 3057060220153.3623 }, "end": { "local": "2066-11-16T00:11:40+08:00", "utc": "2066-11-15T16:11:40Z", "ms": 3057063100153.3623 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-11-16", "window": { "start": { "local": "2066-11-16T23:23:51+08:00", "utc": "2066-11-16T15:23:51Z", "ms": 3057146631044.592 }, "end": { "local": "2066-11-17T00:11:51+08:00", "utc": "2066-11-16T16:11:51Z", "ms": 3057149511044.592 } }, "covered_min": 24, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:03 on Tue 16 Nov to 23:48 on Tue 16 Nov.", "fact": "2066-11-15T18:03:12Z → 2066-11-16T15:48:10Z" }, { "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": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 15th and 24 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 1421 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2066: Tuesday 16 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": "2066-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2066 falls on Tuesday 16 November. Caturdaśī runs from 02:03 on Tue 16 Nov to 23:48 on Tue 16 Nov and covers 24 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/shivaratri?on=2066-11-16", "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/2066/vinayaka-chaturthi?on=2066-11-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 954, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-11-20T11:56:26+08:00", "utc": "2066-11-20T03:56:26Z", "ms": 3057450986286.5513 }, "end": { "local": "2066-11-21T08:59:22+08:00", "utc": "2066-11-21T00:59:22Z", "ms": 3057526761613.7495 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-20T11:56:26+08:00", "utc": "2066-11-20T03:56:26Z", "ms": 3057450986286.5513 }, "end": { "local": "2066-11-21T08:59:22+08:00", "utc": "2066-11-21T00:59:22Z", "ms": 3057526761613.7495 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-20", "window": { "start": { "local": "2066-11-20T11:24:21+08:00", "utc": "2066-11-20T03:24:21Z", "ms": 3057449060719.414 }, "end": { "local": "2066-11-20T12:12:21+08:00", "utc": "2066-11-20T04:12:21Z", "ms": 3057451940719.414 } }, "covered_min": 16, "window_min": 48, "qualifies": true }, { "local_date": "2066-11-21", "window": { "start": { "local": "2066-11-21T11:24:36+08:00", "utc": "2066-11-21T03:24:36Z", "ms": 3057535475637.767 }, "end": { "local": "2066-11-21T12:12:36+08:00", "utc": "2066-11-21T04:12:36Z", "ms": 3057538355637.767 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:56 on Sat 20 Nov to 08:59 on Sun 21 Nov.", "fact": "2066-11-20T03:56:26Z → 2066-11-21T00:59:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 20th, 11:25–12:13 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 16 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 954 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2066: Saturday 20 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": "2066-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2066 falls on Saturday 20 November. Caturthī runs from 11:56 on Sat 20 Nov to 08:59 on Sun 21 Nov and covers 16 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/vinayaka-chaturthi?on=2066-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8714, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-11-21T08:59:22+08:00", "utc": "2066-11-21T00:59:22Z", "ms": 3057526761613.7495 }, "end": { "local": "2066-11-22T06:17:25+08:00", "utc": "2066-11-21T22:17:25Z", "ms": 3057603444998.818 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-21T08:59:22+08:00", "utc": "2066-11-21T00:59:22Z", "ms": 3057526761613.7495 }, "end": { "local": "2066-11-22T06:17:25+08:00", "utc": "2066-11-21T22:17:25Z", "ms": 3057603444998.818 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-21", "window": { "start": { "local": "2066-11-21T11:24:36+08:00", "utc": "2066-11-21T03:24:36Z", "ms": 3057535475637.767 }, "end": { "local": "2066-11-21T12:12:36+08:00", "utc": "2066-11-21T04:12:36Z", "ms": 3057538355637.767 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-11-22", "window": { "start": { "local": "2066-11-22T11:24:51+08:00", "utc": "2066-11-22T03:24:51Z", "ms": 3057621891344.5166 }, "end": { "local": "2066-11-22T12:12:51+08:00", "utc": "2066-11-22T04:12:51Z", "ms": 3057624771344.5166 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:59 on Sun 21 Nov to 06:17 on Mon 22 Nov.", "fact": "2066-11-21T00:59:22Z → 2066-11-21T22:17:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 21st, 11:25–12:13 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8714 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Fuzhou, 2066: Sunday 21 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Pañcamī (Mārgaśīrṣa) 2066 falls on Sunday 21 November. Pañcamī runs from 08:59 on Sun 21 Nov to 06:17 on Mon 22 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18446, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-11-22T06:17:25+08:00", "utc": "2066-11-21T22:17:25Z", "ms": 3057603444998.818 }, "end": { "local": "2066-11-23T03:55:57+08:00", "utc": "2066-11-22T19:55:57Z", "ms": 3057681357291.643 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-22T06:17:25+08:00", "utc": "2066-11-21T22:17:25Z", "ms": 3057603444998.818 }, "end": { "local": "2066-11-23T03:55:57+08:00", "utc": "2066-11-22T19:55:57Z", "ms": 3057681357291.643 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-22", "window": { "start": { "local": "2066-11-22T11:24:51+08:00", "utc": "2066-11-22T03:24:51Z", "ms": 3057621891344.5166 }, "end": { "local": "2066-11-22T12:12:51+08:00", "utc": "2066-11-22T04:12:51Z", "ms": 3057624771344.5166 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-11-23", "window": { "start": { "local": "2066-11-23T11:25:08+08:00", "utc": "2066-11-23T03:25:08Z", "ms": 3057708307825.885 }, "end": { "local": "2066-11-23T12:13:08+08:00", "utc": "2066-11-23T04:13:08Z", "ms": 3057711187825.885 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:17 on Mon 22 Nov to 03:56 on Tue 23 Nov.", "fact": "2066-11-21T22:17:25Z → 2066-11-22T19:55:57Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18446 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Fuzhou, 2066: Monday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Campā Ṣaṣṭhī 2066 falls on Monday 22 November. Ṣaṣṭhī runs from 06:17 on Mon 22 Nov to 03:56 on Tue 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18446, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-11-22T06:17:25+08:00", "utc": "2066-11-21T22:17:25Z", "ms": 3057603444998.818 }, "end": { "local": "2066-11-23T03:55:57+08:00", "utc": "2066-11-22T19:55:57Z", "ms": 3057681357291.643 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-22T06:17:25+08:00", "utc": "2066-11-21T22:17:25Z", "ms": 3057603444998.818 }, "end": { "local": "2066-11-23T03:55:57+08:00", "utc": "2066-11-22T19:55:57Z", "ms": 3057681357291.643 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-22", "window": { "start": { "local": "2066-11-22T11:24:51+08:00", "utc": "2066-11-22T03:24:51Z", "ms": 3057621891344.5166 }, "end": { "local": "2066-11-22T12:12:51+08:00", "utc": "2066-11-22T04:12:51Z", "ms": 3057624771344.5166 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-11-23", "window": { "start": { "local": "2066-11-23T11:25:08+08:00", "utc": "2066-11-23T03:25:08Z", "ms": 3057708307825.885 }, "end": { "local": "2066-11-23T12:13:08+08:00", "utc": "2066-11-23T04:13:08Z", "ms": 3057711187825.885 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:17 on Mon 22 Nov to 03:56 on Tue 23 Nov.", "fact": "2066-11-21T22:17:25Z → 2066-11-22T19:55:57Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18446 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Fuzhou, 2066: Monday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī 2066 falls on Monday 22 November. Ṣaṣṭhī runs from 06:17 on Mon 22 Nov to 03:56 on Tue 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26951, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-11-23T03:55:57+08:00", "utc": "2066-11-22T19:55:57Z", "ms": 3057681357291.643 }, "end": { "local": "2066-11-24T01:58:57+08:00", "utc": "2066-11-23T17:58:57Z", "ms": 3057760737341.059 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-23T03:55:57+08:00", "utc": "2066-11-22T19:55:57Z", "ms": 3057681357291.643 }, "end": { "local": "2066-11-24T01:58:57+08:00", "utc": "2066-11-23T17:58:57Z", "ms": 3057760737341.059 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-23", "window": { "start": { "local": "2066-11-23T11:25:08+08:00", "utc": "2066-11-23T03:25:08Z", "ms": 3057708307825.885 }, "end": { "local": "2066-11-23T12:13:08+08:00", "utc": "2066-11-23T04:13:08Z", "ms": 3057711187825.885 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-11-24", "window": { "start": { "local": "2066-11-24T11:25:25+08:00", "utc": "2066-11-24T03:25:25Z", "ms": 3057794725068.3965 }, "end": { "local": "2066-11-24T12:13:25+08:00", "utc": "2066-11-24T04:13:25Z", "ms": 3057797605068.3965 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:56 on Tue 23 Nov to 01:59 on Wed 24 Nov.", "fact": "2066-11-22T19:55:57Z → 2066-11-23T17:58:57Z" }, { "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": "Saptamī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26951 s" }, { "step": "ruling", "text": "Mitra Saptamī, Fuzhou, 2066: Tuesday 23 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Mitra Saptamī 2066 falls on Tuesday 23 November. Saptamī runs from 03:56 on Tue 23 Nov to 01:59 on Wed 24 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/ekadashi?on=2066-11-27", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27280, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-11-26T22:55:29+08:00", "utc": "2066-11-26T14:55:29Z", "ms": 3058008928760.501 }, "end": { "local": "2066-11-27T22:52:14+08:00", "utc": "2066-11-27T14:52:14Z", "ms": 3058095133554.338 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-26T22:55:29+08:00", "utc": "2066-11-26T14:55:29Z", "ms": 3058008928760.501 }, "end": { "local": "2066-11-27T22:52:14+08:00", "utc": "2066-11-27T14:52:14Z", "ms": 3058095133554.338 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-11-27", "window": { "start": { "local": "2066-11-27T06:30:08+08:00", "utc": "2066-11-26T22:30:08Z", "ms": 3058036208319.2417 }, "end": { "local": "2066-11-27T06:30:08+08:00", "utc": "2066-11-26T22:30:08Z", "ms": 3058036208319.2417 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-11-28", "window": { "start": { "local": "2066-11-28T06:30:52+08:00", "utc": "2066-11-27T22:30:52Z", "ms": 3058122652417.508 }, "end": { "local": "2066-11-28T06:30:52+08:00", "utc": "2066-11-27T22:30:52Z", "ms": 3058122652417.508 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:55 on Fri 26 Nov to 22:52 on Sat 27 Nov.", "fact": "2066-11-26T14:55:29Z → 2066-11-27T14:52:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:30 on the 27th and 06:31 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 27280 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Fuzhou, 2066: Saturday 27 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": "2066-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Mokṣadā Ekādaśī 2066 falls on Saturday 27 November. Ekādaśī runs from 22:55 on Fri 26 Nov to 22:52 on Sat 27 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38272, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-11-27T22:52:14+08:00", "utc": "2066-11-27T14:52:14Z", "ms": 3058095133554.338 }, "end": { "local": "2066-11-28T23:17:32+08:00", "utc": "2066-11-28T15:17:32Z", "ms": 3058183052090.7695 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-27T22:52:14+08:00", "utc": "2066-11-27T14:52:14Z", "ms": 3058095133554.338 }, "end": { "local": "2066-11-28T23:17:32+08:00", "utc": "2066-11-28T15:17:32Z", "ms": 3058183052090.7695 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-27", "window": { "start": { "local": "2066-11-27T11:26:21+08:00", "utc": "2066-11-27T03:26:21Z", "ms": 3058053981229.842 }, "end": { "local": "2066-11-27T12:14:21+08:00", "utc": "2066-11-27T04:14:21Z", "ms": 3058056861229.842 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-11-28", "window": { "start": { "local": "2066-11-28T11:26:41+08:00", "utc": "2066-11-28T03:26:41Z", "ms": 3058140401383.0913 }, "end": { "local": "2066-11-28T12:14:41+08:00", "utc": "2066-11-28T04:14:41Z", "ms": 3058143281383.0913 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:52 on Sat 27 Nov to 23:18 on Sun 28 Nov.", "fact": "2066-11-27T14:52:14Z → 2066-11-28T15:17:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 27th, 11:27–12:15 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38272 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Fuzhou, 2066: Sunday 28 November.", "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": "2066-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Akhaṇḍa Dvādaśī 2066 falls on Sunday 28 November. Dvādaśī runs from 22:52 on Sat 27 Nov to 23:18 on Sun 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/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/2066/pradosha-vrata?on=2066-11-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15613, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-11-28T23:17:32+08:00", "utc": "2066-11-28T15:17:32Z", "ms": 3058183052090.7695 }, "end": { "local": "2066-11-30T00:10:47+08:00", "utc": "2066-11-29T16:10:47Z", "ms": 3058272646748.9077 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-28T23:17:32+08:00", "utc": "2066-11-28T15:17:32Z", "ms": 3058183052090.7695 }, "end": { "local": "2066-11-30T00:10:47+08:00", "utc": "2066-11-29T16:10:47Z", "ms": 3058272646748.9077 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-11-28", "window": { "start": { "local": "2066-11-28T17:10:30+08:00", "utc": "2066-11-28T09:10:30Z", "ms": 3058161030348.675 }, "end": { "local": "2066-11-28T18:57:19+08:00", "utc": "2066-11-28T10:57:19Z", "ms": 3058167439150.2974 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "2066-11-29", "window": { "start": { "local": "2066-11-29T17:10:28+08:00", "utc": "2066-11-29T09:10:28Z", "ms": 3058247428097.0796 }, "end": { "local": "2066-11-29T18:57:23+08:00", "utc": "2066-11-29T10:57:23Z", "ms": 3058253843033.044 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:18 on Sun 28 Nov to 00:11 on Tue 30 Nov.", "fact": "2066-11-28T15:17:32Z → 2066-11-29T16:10:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:57 on the 28th, 17:10–18:57 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 107 minutes on the 28th and 107 of 107 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 15613 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2066: Monday 29 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": "2066-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2066 falls on Monday 29 November. Trayodaśī runs from 23:18 on Sun 28 Nov to 00:11 on Tue 30 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-11-29", "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/2066/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23616, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-12-01T01:31:05+08:00", "utc": "2066-11-30T17:31:05Z", "ms": 3058363864560.555 }, "end": { "local": "2066-12-02T03:16:59+08:00", "utc": "2066-12-01T19:16:59Z", "ms": 3058456619275.9697 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-01T01:31:05+08:00", "utc": "2066-11-30T17:31:05Z", "ms": 3058363864560.555 }, "end": { "local": "2066-12-02T03:16:59+08:00", "utc": "2066-12-01T19:16:59Z", "ms": 3058456619275.9697 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-11-30", "window": { "start": { "local": "2066-11-30T17:10:27+08:00", "utc": "2066-11-30T09:10:27Z", "ms": 3058333827387.4336 }, "end": { "local": "2066-11-30T18:57:28+08:00", "utc": "2066-11-30T10:57:28Z", "ms": 3058340248222.7534 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "2066-12-01", "window": { "start": { "local": "2066-12-01T17:10:28+08:00", "utc": "2066-12-01T09:10:28Z", "ms": 3058420228220.3467 }, "end": { "local": "2066-12-01T18:57:35+08:00", "utc": "2066-12-01T10:57:35Z", "ms": 3058426654715.4385 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:31 on Wed 1 Dec to 03:17 on Thu 2 Dec.", "fact": "2066-11-30T17:31:05Z → 2066-12-01T19:16:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:10–18:57 on the 30th, 17:10–18:58 on the 1st.", "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 107 minutes on the 30th and 107 of 107 on the 1st.", "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 23616 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Fuzhou, 2066: Wednesday 1 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dattatreyotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Dattatreyotpatti (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Dattātreyotpatti (Datta Jayanti) 2066 falls on Wednesday 1 December. Pūrṇimā runs from 01:31 on Wed 1 Dec to 03:17 on Thu 2 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/dattatreyotpatti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/sankashta-chaturthi?on=2066-12-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27768, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-12-05T10:34:31+08:00", "utc": "2066-12-05T02:34:31Z", "ms": 3058742071031.9937 }, "end": { "local": "2066-12-06T13:18:47+08:00", "utc": "2066-12-06T05:18:47Z", "ms": 3058838326827.43 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-05T10:34:31+08:00", "utc": "2066-12-05T02:34:31Z", "ms": 3058742071031.9937 }, "end": { "local": "2066-12-06T13:18:47+08:00", "utc": "2066-12-06T05:18:47Z", "ms": 3058838326827.43 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-12-05", "window": { "start": { "local": "2066-12-05T20:08:52+08:00", "utc": "2066-12-05T12:08:52Z", "ms": 3058776531696.7515 }, "end": { "local": "2066-12-05T20:08:52+08:00", "utc": "2066-12-05T12:08:52Z", "ms": 3058776531696.7515 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-12-06", "window": { "start": { "local": "2066-12-06T21:01:35+08:00", "utc": "2066-12-06T13:01:35Z", "ms": 3058866095008.385 }, "end": { "local": "2066-12-06T21:01:35+08:00", "utc": "2066-12-06T13:01:35Z", "ms": 3058866095008.385 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:35 on Sun 5 Dec to 13:19 on Mon 6 Dec.", "fact": "2066-12-05T02:34:31Z → 2066-12-06T05:18:47Z" }, { "step": "kaala", "text": "Moonrise is at 20:09 on the 5th and 21:02 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 27768 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2066: Sunday 5 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": "2066-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2066 falls on Sunday 5 December. Caturthī runs from 10:35 on Sun 5 Dec to 13:19 on Mon 6 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/sankashta-chaturthi?on=2066-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/ekadashi?on=2066-12-13", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35196, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-12-12T20:54:40+08:00", "utc": "2066-12-12T12:54:40Z", "ms": 3059384080134.8096 }, "end": { "local": "2066-12-13T19:35:39+08:00", "utc": "2066-12-13T11:35:39Z", "ms": 3059465738555.8403 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-12T20:54:40+08:00", "utc": "2066-12-12T12:54:40Z", "ms": 3059384080134.8096 }, "end": { "local": "2066-12-13T19:35:39+08:00", "utc": "2066-12-13T11:35:39Z", "ms": 3059465738555.8403 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-12-13", "window": { "start": { "local": "2066-12-13T06:41:16+08:00", "utc": "2066-12-12T22:41:16Z", "ms": 3059419275756.0356 }, "end": { "local": "2066-12-13T06:41:16+08:00", "utc": "2066-12-12T22:41:16Z", "ms": 3059419275756.0356 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-12-14", "window": { "start": { "local": "2066-12-14T06:41:53+08:00", "utc": "2066-12-13T22:41:53Z", "ms": 3059505713063.7876 }, "end": { "local": "2066-12-14T06:41:53+08:00", "utc": "2066-12-13T22:41:53Z", "ms": 3059505713063.7876 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:55 on Sun 12 Dec to 19:36 on Mon 13 Dec.", "fact": "2066-12-12T12:54:40Z → 2066-12-13T11:35:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:41 on the 13th and 06:42 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not 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 35196 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Fuzhou, 2066: Monday 13 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": "2066-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Saphalā Ekādaśī 2066 falls on Monday 13 December. Ekādaśī runs from 20:55 on Sun 12 Dec to 19:36 on Mon 13 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-12-13", "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/2066/pradosha-vrata?on=2066-12-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1193, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-12-14T17:32:50+08:00", "utc": "2066-12-14T09:32:50Z", "ms": 3059544769691.293 }, "end": { "local": "2066-12-15T14:53:10+08:00", "utc": "2066-12-15T06:53:10Z", "ms": 3059621589866.6045 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-14T17:32:50+08:00", "utc": "2066-12-14T09:32:50Z", "ms": 3059544769691.293 }, "end": { "local": "2066-12-15T14:53:10+08:00", "utc": "2066-12-15T06:53:10Z", "ms": 3059621589866.6045 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-12-14", "window": { "start": { "local": "2066-12-14T17:12:57+08:00", "utc": "2066-12-14T09:12:57Z", "ms": 3059543576898.277 }, "end": { "local": "2066-12-14T19:00:53+08:00", "utc": "2066-12-14T11:00:53Z", "ms": 3059550053259.9604 } }, "covered_min": 88, "window_min": 108, "qualifies": true }, { "local_date": "2066-12-15", "window": { "start": { "local": "2066-12-15T17:13:18+08:00", "utc": "2066-12-15T09:13:18Z", "ms": 3059629998480.7886 }, "end": { "local": "2066-12-15T19:01:17+08:00", "utc": "2066-12-15T11:01:17Z", "ms": 3059636476730.521 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:33 on Tue 14 Dec to 14:53 on Wed 15 Dec.", "fact": "2066-12-14T09:32:50Z → 2066-12-15T06:53:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–19:01 on the 14th, 17:13–19:01 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 88 of 108 minutes on the 14th and 0 of 108 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1193 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2066: Tuesday 14 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": "2066-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2066 falls on Tuesday 14 December. Trayodaśī runs from 17:33 on Tue 14 Dec to 14:53 on Wed 15 Dec and covers 88 of 108 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/2066/pradosha-vrata?on=2066-12-14", "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/2066/shivaratri?on=2066-12-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31262, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-12-15T14:53:10+08:00", "utc": "2066-12-15T06:53:10Z", "ms": 3059621589866.6045 }, "end": { "local": "2066-12-16T11:45:11+08:00", "utc": "2066-12-16T03:45:11Z", "ms": 3059696711261.289 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-15T14:53:10+08:00", "utc": "2066-12-15T06:53:10Z", "ms": 3059621589866.6045 }, "end": { "local": "2066-12-16T11:45:11+08:00", "utc": "2066-12-16T03:45:11Z", "ms": 3059696711261.289 } }, "kaala": "nishita", "days": [ { "local_date": "2066-12-15", "window": { "start": { "local": "2066-12-15T23:34:12+08:00", "utc": "2066-12-15T15:34:12Z", "ms": 3059652851917.284 }, "end": { "local": "2066-12-16T00:22:12+08:00", "utc": "2066-12-15T16:22:12Z", "ms": 3059655731917.284 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-12-16", "window": { "start": { "local": "2066-12-16T23:34:41+08:00", "utc": "2066-12-16T15:34:41Z", "ms": 3059739280824.341 }, "end": { "local": "2066-12-17T00:22:41+08:00", "utc": "2066-12-16T16:22:41Z", "ms": 3059742160824.341 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:53 on Wed 15 Dec to 11:45 on Thu 16 Dec.", "fact": "2066-12-15T06:53:10Z → 2066-12-16T03:45:11Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:34–00:22 on the 15th, 23:35–00:23 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31262 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 2066: Wednesday 15 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": "2066-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 2066 falls on Wednesday 15 December. Caturdaśī runs from 14:53 on Wed 15 Dec to 11:45 on Thu 16 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/2066/shivaratri?on=2066-12-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/vinayaka-chaturthi?on=2066-12-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22445, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-12-19T21:43:18+08:00", "utc": "2066-12-19T13:43:18Z", "ms": 3059991798330.6846 }, "end": { "local": "2066-12-20T18:38:27+08:00", "utc": "2066-12-20T10:38:27Z", "ms": 3060067107493.0234 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-19T21:43:18+08:00", "utc": "2066-12-19T13:43:18Z", "ms": 3059991798330.6846 }, "end": { "local": "2066-12-20T18:38:27+08:00", "utc": "2066-12-20T10:38:27Z", "ms": 3060067107493.0234 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-12-19", "window": { "start": { "local": "2066-12-19T11:35:53+08:00", "utc": "2066-12-19T03:35:53Z", "ms": 3059955352577.806 }, "end": { "local": "2066-12-19T12:23:53+08:00", "utc": "2066-12-19T04:23:53Z", "ms": 3059958232577.806 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-12-20", "window": { "start": { "local": "2066-12-20T11:36:23+08:00", "utc": "2066-12-20T03:36:23Z", "ms": 3060041782579.8086 }, "end": { "local": "2066-12-20T12:24:23+08:00", "utc": "2066-12-20T04:24:23Z", "ms": 3060044662579.8086 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:43 on Sun 19 Dec to 18:38 on Mon 20 Dec.", "fact": "2066-12-19T13:43:18Z → 2066-12-20T10:38:27Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22445 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 2066: Monday 20 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": "2066-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 2066 falls on Monday 20 December. Caturthī runs from 21:43 on Sun 19 Dec to 18:38 on Mon 20 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/2066/vinayaka-chaturthi?on=2066-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/2066/ekadashi?on=2066-12-27", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20530, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-12-26T12:30:19+08:00", "utc": "2066-12-26T04:30:19Z", "ms": 3060563419110.7705 }, "end": { "local": "2066-12-27T13:45:10+08:00", "utc": "2066-12-27T05:45:10Z", "ms": 3060654309611.696 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-26T12:30:19+08:00", "utc": "2066-12-26T04:30:19Z", "ms": 3060563419110.7705 }, "end": { "local": "2066-12-27T13:45:10+08:00", "utc": "2066-12-27T05:45:10Z", "ms": 3060654309611.696 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-12-26", "window": { "start": { "local": "2066-12-26T06:48:09+08:00", "utc": "2066-12-25T22:48:09Z", "ms": 3060542889101.2603 }, "end": { "local": "2066-12-26T06:48:09+08:00", "utc": "2066-12-25T22:48:09Z", "ms": 3060542889101.2603 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-12-27", "window": { "start": { "local": "2066-12-27T06:48:33+08:00", "utc": "2066-12-26T22:48:33Z", "ms": 3060629313282.698 }, "end": { "local": "2066-12-27T06:48:33+08:00", "utc": "2066-12-26T22:48:33Z", "ms": 3060629313282.698 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:30 on Sun 26 Dec to 13:45 on Mon 27 Dec.", "fact": "2066-12-26T04:30:19Z → 2066-12-27T05:45:10Z" }, { "step": "kaala", "text": "Sunrise is at 06:48 on the 26th and 06:49 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20530 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Fuzhou, 2066: Monday 27 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": "2066-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Putradā Ekādaśī 2066 falls on Monday 27 December. Ekādaśī runs from 12:30 on Sun 26 Dec to 13:45 on Mon 27 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/2066/ekadashi?on=2066-12-27", "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/2066/pradosha-vrata?on=2066-12-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 2066, "local_date": "2066-12-28", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1093, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-12-28T15:30:02+08:00", "utc": "2066-12-28T07:30:02Z", "ms": 3060747001518.9165 }, "end": { "local": "2066-12-29T17:38:38+08:00", "utc": "2066-12-29T09:38:38Z", "ms": 3060841118254.6343 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-28T15:30:02+08:00", "utc": "2066-12-28T07:30:02Z", "ms": 3060747001518.9165 }, "end": { "local": "2066-12-29T17:38:38+08:00", "utc": "2066-12-29T09:38:38Z", "ms": 3060841118254.6343 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-12-28", "window": { "start": { "local": "2066-12-28T17:19:48+08:00", "utc": "2066-12-28T09:19:48Z", "ms": 3060753587975.8076 }, "end": { "local": "2066-12-28T19:07:44+08:00", "utc": "2066-12-28T11:07:44Z", "ms": 3060760063962.423 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2066-12-29", "window": { "start": { "local": "2066-12-29T17:20:25+08:00", "utc": "2066-12-29T09:20:25Z", "ms": 3060840025071.047 }, "end": { "local": "2066-12-29T19:08:19+08:00", "utc": "2066-12-29T11:08:19Z", "ms": 3060846498826.708 } }, "covered_min": 18, "window_min": 108, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:30 on Tue 28 Dec to 17:39 on Wed 29 Dec.", "fact": "2066-12-28T07:30:02Z → 2066-12-29T09:38:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:20–19:08 on the 28th, 17:20–19:08 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 108 of 108 minutes on the 28th and 18 of 108 on the 29th.", "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 1093 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 2066: Tuesday 28 December.", "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": "2066-12-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-28", "confidence": "boundary" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2066 falls on Tuesday 28 December. Trayodaśī runs from 15:30 on Tue 28 Dec to 17:39 on Wed 29 Dec and covers all of pradoṣa that evening. It also reaches the next evening for 18 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/2066/pradosha-vrata?on=2066-12-28", "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" } }