{ "id": "/fuzhou/festivals/1915", "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": 1915, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-01-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1005, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-01-04T21:39:30+08:00", "utc": "1915-01-04T13:39:30Z", "ms": -1735381230281.1804 }, "end": { "local": "1915-01-05T21:20:06+08:00", "utc": "1915-01-05T13:20:06Z", "ms": -1735295993763.1655 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-04T21:39:30+08:00", "utc": "1915-01-04T13:39:30Z", "ms": -1735381230281.1804 }, "end": { "local": "1915-01-05T21:20:06+08:00", "utc": "1915-01-05T13:20:06Z", "ms": -1735295993763.1655 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-01-04", "window": { "start": { "local": "1915-01-04T20:04:04+08:00", "utc": "1915-01-04T12:04:04Z", "ms": -1735386956341.323 }, "end": { "local": "1915-01-04T20:04:04+08:00", "utc": "1915-01-04T12:04:04Z", "ms": -1735386956341.323 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-01-05", "window": { "start": { "local": "1915-01-05T21:03:22+08:00", "utc": "1915-01-05T13:03:22Z", "ms": -1735296998313.568 }, "end": { "local": "1915-01-05T21:03:22+08:00", "utc": "1915-01-05T13:03:22Z", "ms": -1735296998313.568 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:39 on Mon 4 Jan to 21:20 on Tue 5 Jan.", "fact": "1915-01-04T13:39:30Z → 1915-01-05T13:20:06Z" }, { "step": "kaala", "text": "Moonrise is at 20:04 on the 4th and 21:03 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1005 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1915: Tuesday 5 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": "1915-01-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1915 falls on Tuesday 5 January. Caturthī runs from 21:39 on Mon 4 Jan to 21:20 on Tue 5 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-01-05", "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/1915/ekadashi?on=1915-01-12", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7444, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-01-11T11:35:57+08:00", "utc": "1915-01-11T03:35:57Z", "ms": -1734812643476.0254 }, "end": { "local": "1915-01-12T08:56:13+08:00", "utc": "1915-01-12T00:56:13Z", "ms": -1734735826954.3762 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-11T11:35:57+08:00", "utc": "1915-01-11T03:35:57Z", "ms": -1734812643476.0254 }, "end": { "local": "1915-01-12T08:56:13+08:00", "utc": "1915-01-12T00:56:13Z", "ms": -1734735826954.3762 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-01-11", "window": { "start": { "local": "1915-01-11T06:52:06+08:00", "utc": "1915-01-10T22:52:06Z", "ms": -1734829674089.172 }, "end": { "local": "1915-01-11T06:52:06+08:00", "utc": "1915-01-10T22:52:06Z", "ms": -1734829674089.172 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-01-12", "window": { "start": { "local": "1915-01-12T06:52:10+08:00", "utc": "1915-01-11T22:52:10Z", "ms": -1734743270476.642 }, "end": { "local": "1915-01-12T06:52:10+08:00", "utc": "1915-01-11T22:52:10Z", "ms": -1734743270476.642 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:36 on Mon 11 Jan to 08:56 on Tue 12 Jan.", "fact": "1915-01-11T03:35:57Z → 1915-01-12T00:56:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 11th and 06:52 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7444 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Fuzhou, 1915: Tuesday 12 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": "1915-01-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṣaṭtilā Ekādaśī 1915 falls on Tuesday 12 January. Ekādaśī runs from 11:36 on Mon 11 Jan to 08:56 on Tue 12 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-01-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40180, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1915-01-14T06:21:26+08:00", "utc": "1915-01-13T22:21:26Z", "ms": -1734572314059.3992 }, "end": { "local": "1915-02-12T19:18:37+08:00", "utc": "1915-02-12T11:18:37Z", "ms": -1732020082932.6152 } }, "span": { "of": "transit", "start": { "local": "1915-01-14T06:21:26+08:00", "utc": "1915-01-13T22:21:26Z", "ms": -1734572314059.3992 }, "end": { "local": "1915-01-14T06:21:26+08:00", "utc": "1915-01-13T22:21:26Z", "ms": -1734572314059.3992 } }, "kaala": "sunset-day", "days": [ { "local_date": "1915-01-14", "window": { "start": { "local": "1915-01-13T17:30:20+08:00", "utc": "1915-01-13T09:30:20Z", "ms": -1734618579638.8167 }, "end": { "local": "1915-01-14T17:31:06+08:00", "utc": "1915-01-14T09:31:06Z", "ms": -1734532133909.9866 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1915-01-15", "window": { "start": { "local": "1915-01-14T17:31:06+08:00", "utc": "1915-01-14T09:31:06Z", "ms": -1734532133909.9866 }, "end": { "local": "1915-01-15T17:31:52+08:00", "utc": "1915-01-15T09:31:52Z", "ms": -1734445687933.5664 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1915-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 06:21 on Thu 14 Jan.", "fact": "1915-01-13T22:21:26Z · 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 17:31, and the day of the 15th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 40180 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Thursday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Fuzhou, 1915: Wednesday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1915-01-13", "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": "1915-01-12", "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 1915 falls on Wednesday 13 January. It is kept the day before Pongal, which falls on Thursday 14 January. The Sun enters Makara at 06:21 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/pradosha-vrata?on=1915-01-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29435, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-01-13T06:10:59+08:00", "utc": "1915-01-12T22:10:59Z", "ms": -1734659341075.0747 }, "end": { "local": "1915-01-14T03:27:50+08:00", "utc": "1915-01-13T19:27:50Z", "ms": -1734582730206.8665 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-13T06:10:59+08:00", "utc": "1915-01-12T22:10:59Z", "ms": -1734659341075.0747 }, "end": { "local": "1915-01-14T03:27:50+08:00", "utc": "1915-01-13T19:27:50Z", "ms": -1734582730206.8665 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-01-12", "window": { "start": { "local": "1915-01-12T17:29:35+08:00", "utc": "1915-01-12T09:29:35Z", "ms": -1734705025075.614 }, "end": { "local": "1915-01-12T19:16:36+08:00", "utc": "1915-01-12T11:16:36Z", "ms": -1734698604179.7646 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1915-01-13", "window": { "start": { "local": "1915-01-13T17:30:20+08:00", "utc": "1915-01-13T09:30:20Z", "ms": -1734618579638.8167 }, "end": { "local": "1915-01-13T19:17:15+08:00", "utc": "1915-01-13T11:17:15Z", "ms": -1734612164718.796 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:11 on Wed 13 Jan to 03:28 on Thu 14 Jan.", "fact": "1915-01-12T22:10:59Z → 1915-01-13T19:27:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:30–19:17 on the 12th, 17:30–19:17 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 12th and 107 of 107 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29435 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1915: Wednesday 13 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": "1915-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1915 falls on Wednesday 13 January. Trayodaśī runs from 06:11 on Wed 13 Jan to 03:28 on Thu 14 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-01-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40180, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1915-01-14T06:21:26+08:00", "utc": "1915-01-13T22:21:26Z", "ms": -1734572314059.3992 }, "end": { "local": "1915-02-12T19:18:37+08:00", "utc": "1915-02-12T11:18:37Z", "ms": -1732020082932.6152 } }, "span": { "of": "transit", "start": { "local": "1915-01-14T06:21:26+08:00", "utc": "1915-01-13T22:21:26Z", "ms": -1734572314059.3992 }, "end": { "local": "1915-01-14T06:21:26+08:00", "utc": "1915-01-13T22:21:26Z", "ms": -1734572314059.3992 } }, "kaala": "sunset-day", "days": [ { "local_date": "1915-01-14", "window": { "start": { "local": "1915-01-13T17:30:20+08:00", "utc": "1915-01-13T09:30:20Z", "ms": -1734618579638.8167 }, "end": { "local": "1915-01-14T17:31:06+08:00", "utc": "1915-01-14T09:31:06Z", "ms": -1734532133909.9866 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1915-01-15", "window": { "start": { "local": "1915-01-14T17:31:06+08:00", "utc": "1915-01-14T09:31:06Z", "ms": -1734532133909.9866 }, "end": { "local": "1915-01-15T17:31:52+08:00", "utc": "1915-01-15T09:31:52Z", "ms": -1734445687933.5664 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 06:21 on Thu 14 Jan.", "fact": "1915-01-13T22:21:26Z · 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 17:31, and the day of the 15th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 40180 s" }, { "step": "ruling", "text": "Pongal, Fuzhou, 1915: Thursday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1915-01-14", "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": "1915-01-13", "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, Pongal 1915 falls on Thursday 14 January. The Sun enters Makara at 06:21 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22886, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1915-01-14T06:21:26+08:00", "utc": "1915-01-13T22:21:26Z", "ms": -1734572314059.3992 }, "end": { "local": "1915-02-12T19:18:37+08:00", "utc": "1915-02-12T11:18:37Z", "ms": -1732020082932.6152 } }, "span": { "of": "transit", "start": { "local": "1915-01-14T06:21:26+08:00", "utc": "1915-01-13T22:21:26Z", "ms": -1734572314059.3992 }, "end": { "local": "1915-01-14T06:21:26+08:00", "utc": "1915-01-13T22:21:26Z", "ms": -1734572314059.3992 } }, "kaala": "civil-day", "days": [ { "local_date": "1915-01-13", "window": { "start": { "local": "1915-01-13T00:00:00+08:00", "utc": "1915-01-12T16:00:00Z", "ms": -1734681600000 }, "end": { "local": "1915-01-14T00:00:00+08:00", "utc": "1915-01-13T16:00:00Z", "ms": -1734595200000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1915-01-14", "window": { "start": { "local": "1915-01-14T00:00:00+08:00", "utc": "1915-01-13T16:00:00Z", "ms": -1734595200000 }, "end": { "local": "1915-01-15T00:00:00+08:00", "utc": "1915-01-14T16:00:00Z", "ms": -1734508800000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 06:21 on Thu 14 Jan.", "fact": "1915-01-13T22:21:26Z · 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 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 22886 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Fuzhou, 1915: 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": "1915-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1915-01-13", "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." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1915-01-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Fuzhou, Makara Saṅkrānti 1915 falls on Thursday 14 January. The Sun enters Makara at 06:21 on Thu 14 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5848, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-01-14T03:27:50+08:00", "utc": "1915-01-13T19:27:50Z", "ms": -1734582730206.8665 }, "end": { "local": "1915-01-15T00:55:08+08:00", "utc": "1915-01-14T16:55:08Z", "ms": -1734505491531.8289 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-14T03:27:50+08:00", "utc": "1915-01-13T19:27:50Z", "ms": -1734582730206.8665 }, "end": { "local": "1915-01-15T00:55:08+08:00", "utc": "1915-01-14T16:55:08Z", "ms": -1734505491531.8289 } }, "kaala": "arunodaya", "days": [ { "local_date": "1915-01-14", "window": { "start": { "local": "1915-01-14T05:05:17+08:00", "utc": "1915-01-13T21:05:17Z", "ms": -1734576882658.6812 }, "end": { "local": "1915-01-14T06:52:12+08:00", "utc": "1915-01-13T22:52:12Z", "ms": -1734570467738.6604 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1915-01-15", "window": { "start": { "local": "1915-01-15T05:05:23+08:00", "utc": "1915-01-14T21:05:23Z", "ms": -1734490477334.8247 }, "end": { "local": "1915-01-15T06:52:11+08:00", "utc": "1915-01-14T22:52:11Z", "ms": -1734484068630.9536 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:28 on Thu 14 Jan to 00:55 on Fri 15 Jan.", "fact": "1915-01-13T19:27:50Z → 1915-01-14T16:55:08Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:05–06:52 on the 14th, 05:05–06:52 on the 15th.", "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 107 of 107 minutes on the 14th and 0 of 107 on the 15th.", "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 5848 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Fuzhou, 1915: Thursday 14 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": "1915-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Tarpaṇa 1915 falls on Thursday 14 January. Caturdaśī runs from 03:28 on Thu 14 Jan to 00:55 on Fri 15 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/shivaratri?on=1915-01-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1170, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-01-14T03:27:50+08:00", "utc": "1915-01-13T19:27:50Z", "ms": -1734582730206.8665 }, "end": { "local": "1915-01-15T00:55:08+08:00", "utc": "1915-01-14T16:55:08Z", "ms": -1734505491531.8289 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-14T03:27:50+08:00", "utc": "1915-01-13T19:27:50Z", "ms": -1734582730206.8665 }, "end": { "local": "1915-01-15T00:55:08+08:00", "utc": "1915-01-14T16:55:08Z", "ms": -1734505491531.8289 } }, "kaala": "nishita", "days": [ { "local_date": "1915-01-13", "window": { "start": { "local": "1915-01-13T23:47:16+08:00", "utc": "1915-01-13T15:47:16Z", "ms": -1734595963688.7385 }, "end": { "local": "1915-01-14T00:35:16+08:00", "utc": "1915-01-13T16:35:16Z", "ms": -1734593083688.7385 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-01-14", "window": { "start": { "local": "1915-01-14T23:47:39+08:00", "utc": "1915-01-14T15:47:39Z", "ms": -1734509541270.4702 }, "end": { "local": "1915-01-15T00:35:39+08:00", "utc": "1915-01-14T16:35:39Z", "ms": -1734506661270.4702 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:28 on Thu 14 Jan to 00:55 on Fri 15 Jan.", "fact": "1915-01-13T19:27:50Z → 1915-01-14T16:55:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 13th, 23:48–00:36 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1170 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1915: Thursday 14 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": "1915-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1915 falls on Thursday 14 January. Caturdaśī runs from 03:28 on Thu 14 Jan to 00:55 on Fri 15 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1915/shivaratri?on=1915-01-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40180, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1915-01-14T06:21:26+08:00", "utc": "1915-01-13T22:21:26Z", "ms": -1734572314059.3992 }, "end": { "local": "1915-02-12T19:18:37+08:00", "utc": "1915-02-12T11:18:37Z", "ms": -1732020082932.6152 } }, "span": { "of": "transit", "start": { "local": "1915-01-14T06:21:26+08:00", "utc": "1915-01-13T22:21:26Z", "ms": -1734572314059.3992 }, "end": { "local": "1915-01-14T06:21:26+08:00", "utc": "1915-01-13T22:21:26Z", "ms": -1734572314059.3992 } }, "kaala": "sunset-day", "days": [ { "local_date": "1915-01-14", "window": { "start": { "local": "1915-01-13T17:30:20+08:00", "utc": "1915-01-13T09:30:20Z", "ms": -1734618579638.8167 }, "end": { "local": "1915-01-14T17:31:06+08:00", "utc": "1915-01-14T09:31:06Z", "ms": -1734532133909.9866 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1915-01-15", "window": { "start": { "local": "1915-01-14T17:31:06+08:00", "utc": "1915-01-14T09:31:06Z", "ms": -1734532133909.9866 }, "end": { "local": "1915-01-15T17:31:52+08:00", "utc": "1915-01-15T09:31:52Z", "ms": -1734445687933.5664 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1915-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 06:21 on Thu 14 Jan.", "fact": "1915-01-13T22:21:26Z · 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 17:31, and the day of the 15th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 40180 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Thursday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Fuzhou, 1915: Friday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1915-01-15", "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": "1915-01-14", "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, Mattu Pongal 1915 falls on Friday 15 January. It is kept the day after Pongal, which falls on Thursday 14 January. The Sun enters Makara at 06:21 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23934, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-01-18T19:15:59+08:00", "utc": "1915-01-18T11:15:59Z", "ms": -1734180241025.6921 }, "end": { "local": "1915-01-19T19:31:10+08:00", "utc": "1915-01-19T11:31:10Z", "ms": -1734092930116.9307 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-18T19:15:59+08:00", "utc": "1915-01-18T11:15:59Z", "ms": -1734180241025.6921 }, "end": { "local": "1915-01-19T19:31:10+08:00", "utc": "1915-01-19T11:31:10Z", "ms": -1734092930116.9307 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-01-18", "window": { "start": { "local": "1915-01-18T11:49:05+08:00", "utc": "1915-01-18T03:49:05Z", "ms": -1734207054693.1987 }, "end": { "local": "1915-01-18T12:37:05+08:00", "utc": "1915-01-18T04:37:05Z", "ms": -1734204174693.1987 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-01-19", "window": { "start": { "local": "1915-01-19T11:49:25+08:00", "utc": "1915-01-19T03:49:25Z", "ms": -1734120634916.8887 }, "end": { "local": "1915-01-19T12:37:25+08:00", "utc": "1915-01-19T04:37:25Z", "ms": -1734117754916.8887 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:16 on Mon 18 Jan to 19:31 on Tue 19 Jan.", "fact": "1915-01-18T11:15:59Z → 1915-01-19T11:31:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 18th, 11:49–12:37 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23934 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Fuzhou, 1915: Tuesday 19 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": "1915-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1915 falls on Tuesday 19 January. Caturthī runs from 19:16 on Mon 18 Jan to 19:31 on Tue 19 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-19", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 274, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-01-18T19:15:59+08:00", "utc": "1915-01-18T11:15:59Z", "ms": -1734180241025.6921 }, "end": { "local": "1915-01-19T19:31:10+08:00", "utc": "1915-01-19T11:31:10Z", "ms": -1734092930116.9307 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-18T19:15:59+08:00", "utc": "1915-01-18T11:15:59Z", "ms": -1734180241025.6921 }, "end": { "local": "1915-01-19T19:31:10+08:00", "utc": "1915-01-19T11:31:10Z", "ms": -1734092930116.9307 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-01-18", "window": { "start": { "local": "1915-01-18T17:34:11+08:00", "utc": "1915-01-18T09:34:11Z", "ms": -1734186348948.9917 }, "end": { "local": "1915-01-18T19:20:33+08:00", "utc": "1915-01-18T11:20:33Z", "ms": -1734179967413.0188 } }, "covered_min": 5, "window_min": 106, "qualifies": true }, { "local_date": "1915-01-19", "window": { "start": { "local": "1915-01-19T17:34:58+08:00", "utc": "1915-01-19T09:34:58Z", "ms": -1734099902404.5818 }, "end": { "local": "1915-01-19T19:21:12+08:00", "utc": "1915-01-19T11:21:12Z", "ms": -1734093528210.6228 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:16 on Mon 18 Jan to 19:31 on Tue 19 Jan.", "fact": "1915-01-18T11:15:59Z → 1915-01-19T11:31:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:34–19:21 on the 18th, 17:35–19:21 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 5 of 106 minutes on the 18th and 106 of 106 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 274 s < 300 s" }, { "step": "ruling", "text": "Tila Caturthī, Fuzhou, 1915: Tuesday 19 January.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-01-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-19", "confidence": "boundary" } ], "quote": "In Fuzhou, Tila Caturthī 1915 falls on Tuesday 19 January. Caturthī runs from 19:16 on Mon 18 Jan to 19:31 on Tue 19 Jan and covers all of pradoṣa that evening. It also reaches the previous evening for 5 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 34 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24825, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1915-01-19T19:31:10+08:00", "utc": "1915-01-19T11:31:10Z", "ms": -1734092930116.9307 }, "end": { "local": "1915-01-20T20:30:31+08:00", "utc": "1915-01-20T12:30:31Z", "ms": -1734002969051.134 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-19T19:31:10+08:00", "utc": "1915-01-19T11:31:10Z", "ms": -1734092930116.9307 }, "end": { "local": "1915-01-20T20:30:31+08:00", "utc": "1915-01-20T12:30:31Z", "ms": -1734002969051.134 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-01-19", "window": { "start": { "local": "1915-01-19T11:49:25+08:00", "utc": "1915-01-19T03:49:25Z", "ms": -1734120634916.8887 }, "end": { "local": "1915-01-19T12:37:25+08:00", "utc": "1915-01-19T04:37:25Z", "ms": -1734117754916.8887 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-01-20", "window": { "start": { "local": "1915-01-20T11:49:44+08:00", "utc": "1915-01-20T03:49:44Z", "ms": -1734034215882.5713 }, "end": { "local": "1915-01-20T12:37:44+08:00", "utc": "1915-01-20T04:37:44Z", "ms": -1734031335882.5713 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:31 on Tue 19 Jan to 20:31 on Wed 20 Jan.", "fact": "1915-01-19T11:31:10Z → 1915-01-20T12:30:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 19th, 11:50–12:38 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24825 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Fuzhou, 1915: Wednesday 20 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": "1915-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Pañcamī 1915 falls on Wednesday 20 January. Pañcamī runs from 19:31 on Tue 19 Jan to 20:31 on Wed 20 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24825, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1915-01-19T19:31:10+08:00", "utc": "1915-01-19T11:31:10Z", "ms": -1734092930116.9307 }, "end": { "local": "1915-01-20T20:30:31+08:00", "utc": "1915-01-20T12:30:31Z", "ms": -1734002969051.134 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-19T19:31:10+08:00", "utc": "1915-01-19T11:31:10Z", "ms": -1734092930116.9307 }, "end": { "local": "1915-01-20T20:30:31+08:00", "utc": "1915-01-20T12:30:31Z", "ms": -1734002969051.134 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-01-19", "window": { "start": { "local": "1915-01-19T11:49:25+08:00", "utc": "1915-01-19T03:49:25Z", "ms": -1734120634916.8887 }, "end": { "local": "1915-01-19T12:37:25+08:00", "utc": "1915-01-19T04:37:25Z", "ms": -1734117754916.8887 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-01-20", "window": { "start": { "local": "1915-01-20T11:49:44+08:00", "utc": "1915-01-20T03:49:44Z", "ms": -1734034215882.5713 }, "end": { "local": "1915-01-20T12:37:44+08:00", "utc": "1915-01-20T04:37:44Z", "ms": -1734031335882.5713 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:31 on Tue 19 Jan to 20:31 on Wed 20 Jan.", "fact": "1915-01-19T11:31:10Z → 1915-01-20T12:30:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 19th, 11:50–12:38 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24825 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Fuzhou, 1915: Wednesday 20 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": "1915-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Vasanta Pañcamī 1915 falls on Wednesday 20 January. Pañcamī runs from 19:31 on Tue 19 Jan to 20:31 on Wed 20 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17166, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1915-01-21T22:09:29+08:00", "utc": "1915-01-21T14:09:29Z", "ms": -1733910631245.1794 }, "end": { "local": "1915-01-23T00:19:12+08:00", "utc": "1915-01-22T16:19:12Z", "ms": -1733816447622.9417 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-21T22:09:29+08:00", "utc": "1915-01-21T14:09:29Z", "ms": -1733910631245.1794 }, "end": { "local": "1915-01-23T00:19:12+08:00", "utc": "1915-01-22T16:19:12Z", "ms": -1733816447622.9417 } }, "kaala": "arunodaya", "days": [ { "local_date": "1915-01-22", "window": { "start": { "local": "1915-01-22T05:05:24+08:00", "utc": "1915-01-21T21:05:24Z", "ms": -1733885676451.4863 }, "end": { "local": "1915-01-22T06:51:22+08:00", "utc": "1915-01-21T22:51:22Z", "ms": -1733879317564.617 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1915-01-23", "window": { "start": { "local": "1915-01-23T05:05:18+08:00", "utc": "1915-01-22T21:05:18Z", "ms": -1733799281578.9778 }, "end": { "local": "1915-01-23T06:51:09+08:00", "utc": "1915-01-22T22:51:09Z", "ms": -1733792930646.4211 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 22:09 on Thu 21 Jan to 00:19 on Sat 23 Jan.", "fact": "1915-01-21T14:09:29Z → 1915-01-22T16:19:12Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:05–06:51 on the 22nd, 05:05–06:51 on the 23rd.", "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 106 of 106 minutes on the 22nd and 0 of 106 on the 23rd.", "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 17166 s" }, { "step": "ruling", "text": "Ratha Saptamī, Fuzhou, 1915: Friday 22 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Ratha Saptamī 1915 falls on Friday 22 January. Saptamī runs from 22:09 on Thu 21 Jan to 00:19 on Sat 23 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-01-27", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3167, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-01-26T07:43:08+08:00", "utc": "1915-01-25T23:43:08Z", "ms": -1733530612255.3054 }, "end": { "local": "1915-01-27T09:45:31+08:00", "utc": "1915-01-27T01:45:31Z", "ms": -1733436869218.6833 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-26T07:43:08+08:00", "utc": "1915-01-25T23:43:08Z", "ms": -1733530612255.3054 }, "end": { "local": "1915-01-27T09:45:31+08:00", "utc": "1915-01-27T01:45:31Z", "ms": -1733436869218.6833 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-01-26", "window": { "start": { "local": "1915-01-26T06:50:21+08:00", "utc": "1915-01-25T22:50:21Z", "ms": -1733533778880.0654 }, "end": { "local": "1915-01-26T06:50:21+08:00", "utc": "1915-01-25T22:50:21Z", "ms": -1733533778880.0654 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-01-27", "window": { "start": { "local": "1915-01-27T06:50:02+08:00", "utc": "1915-01-26T22:50:02Z", "ms": -1733447397914.5366 }, "end": { "local": "1915-01-27T06:50:02+08:00", "utc": "1915-01-26T22:50:02Z", "ms": -1733447397914.5366 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:43 on Tue 26 Jan to 09:46 on Wed 27 Jan.", "fact": "1915-01-25T23:43:08Z → 1915-01-27T01:45:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:50 on the 26th and 06:50 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 3167 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Fuzhou, 1915: Wednesday 27 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": "1915-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Jayā Ekādaśī 1915 falls on Wednesday 27 January. Ekādaśī runs from 07:43 on Tue 26 Jan to 09:46 on Wed 27 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-01-27", "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/1915/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1961, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1915-01-27T09:45:31+08:00", "utc": "1915-01-27T01:45:31Z", "ms": -1733436869218.6833 }, "end": { "local": "1915-01-28T11:19:07+08:00", "utc": "1915-01-28T03:19:07Z", "ms": -1733344853182.216 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-27T09:45:31+08:00", "utc": "1915-01-27T01:45:31Z", "ms": -1733436869218.6833 }, "end": { "local": "1915-01-28T11:19:07+08:00", "utc": "1915-01-28T03:19:07Z", "ms": -1733344853182.216 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-01-27", "window": { "start": { "local": "1915-01-27T11:51:35+08:00", "utc": "1915-01-27T03:51:35Z", "ms": -1733429304540.2324 }, "end": { "local": "1915-01-27T12:39:35+08:00", "utc": "1915-01-27T04:39:35Z", "ms": -1733426424540.2324 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-01-28", "window": { "start": { "local": "1915-01-28T11:51:48+08:00", "utc": "1915-01-28T03:51:48Z", "ms": -1733342891870.9546 }, "end": { "local": "1915-01-28T12:39:48+08:00", "utc": "1915-01-28T04:39:48Z", "ms": -1733340011870.9546 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 09:46 on Wed 27 Jan to 11:19 on Thu 28 Jan.", "fact": "1915-01-27T01:45:31Z → 1915-01-28T03:19:07Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1961 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Fuzhou, 1915: Wednesday 27 January.", "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": "1915-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhīṣma Dvādaśī 1915 falls on Wednesday 27 January. Dvādaśī runs from 09:46 on Wed 27 Jan to 11:19 on Thu 28 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/pradosha-vrata?on=1915-01-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19377, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-01-28T11:19:07+08:00", "utc": "1915-01-28T03:19:07Z", "ms": -1733344853182.216 }, "end": { "local": "1915-01-29T12:19:43+08:00", "utc": "1915-01-29T04:19:43Z", "ms": -1733254816984.061 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-28T11:19:07+08:00", "utc": "1915-01-28T03:19:07Z", "ms": -1733344853182.216 }, "end": { "local": "1915-01-29T12:19:43+08:00", "utc": "1915-01-29T04:19:43Z", "ms": -1733254816984.061 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-01-28", "window": { "start": { "local": "1915-01-28T17:41:55+08:00", "utc": "1915-01-28T09:41:55Z", "ms": -1733321885337.9014 }, "end": { "local": "1915-01-28T19:26:54+08:00", "utc": "1915-01-28T11:26:54Z", "ms": -1733315586003.8481 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "1915-01-29", "window": { "start": { "local": "1915-01-29T17:42:40+08:00", "utc": "1915-01-29T09:42:40Z", "ms": -1733235439719.3977 }, "end": { "local": "1915-01-29T19:27:30+08:00", "utc": "1915-01-29T11:27:30Z", "ms": -1733229149581.186 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:19 on Thu 28 Jan to 12:20 on Fri 29 Jan.", "fact": "1915-01-28T03:19:07Z → 1915-01-29T04:19:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:42–19:27 on the 28th, 17:43–19:28 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 105 of 105 minutes on the 28th and 0 of 105 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 19377 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1915: Thursday 28 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": "1915-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1915 falls on Thursday 28 January. Trayodaśī runs from 11:19 on Thu 28 Jan to 12:20 on Fri 29 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-01-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-01-31", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 33, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-01-30T12:46:26+08:00", "utc": "1915-01-30T04:46:26Z", "ms": -1733166813767.7935 }, "end": { "local": "1915-01-31T12:40:54+08:00", "utc": "1915-01-31T04:40:54Z", "ms": -1733080746210.7417 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1915-01-30T12:46:26+08:00", "utc": "1915-01-30T04:46:26Z", "ms": -1733166813767.7935 }, "end": { "local": "1915-01-31T12:40:54+08:00", "utc": "1915-01-31T04:40:54Z", "ms": -1733080746210.7417 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-01-30", "window": { "start": { "local": "1915-01-30T11:52:11+08:00", "utc": "1915-01-30T03:52:11Z", "ms": -1733170069006.2886 }, "end": { "local": "1915-01-30T12:40:11+08:00", "utc": "1915-01-30T04:40:11Z", "ms": -1733167189006.2886 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-01-31", "window": { "start": { "local": "1915-01-31T11:52:21+08:00", "utc": "1915-01-31T03:52:21Z", "ms": -1733083658811.514 }, "end": { "local": "1915-01-31T12:40:21+08:00", "utc": "1915-01-31T04:40:21Z", "ms": -1733080778811.514 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:46 on Sat 30 Jan to 12:41 on Sun 31 Jan.", "fact": "1915-01-30T04:46:26Z → 1915-01-31T04:40:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 30th, 11:52–12:40 on the 31st.", "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 30th and 48 of 48 on the 31st.", "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 33 s < 300 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Fuzhou, 1915: Sunday 31 January.", "fact": "confidence: boundary (margin)" } ], "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": "1915-01-31", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-01-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Māghī Pūrṇimā 1915 falls on Sunday 31 January. Pūrṇimā runs from 12:46 on Sat 30 Jan to 12:41 on Sun 31 Jan and covers all of madhyāhna that midday. It is 0 min 33 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/sankashta-chaturthi?on=1915-02-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40126, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-02-03T09:46:29+08:00", "utc": "1915-02-03T01:46:29Z", "ms": -1732832011206.1072 }, "end": { "local": "1915-02-04T08:09:35+08:00", "utc": "1915-02-04T00:09:35Z", "ms": -1732751424964.1057 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1915-02-03T09:46:29+08:00", "utc": "1915-02-03T01:46:29Z", "ms": -1732832011206.1072 }, "end": { "local": "1915-02-04T08:09:35+08:00", "utc": "1915-02-04T00:09:35Z", "ms": -1732751424964.1057 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-02-03", "window": { "start": { "local": "1915-02-03T20:55:14+08:00", "utc": "1915-02-03T12:55:14Z", "ms": -1732791885588.6313 }, "end": { "local": "1915-02-03T20:55:14+08:00", "utc": "1915-02-03T12:55:14Z", "ms": -1732791885588.6313 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-02-04", "window": { "start": { "local": "1915-02-04T21:56:14+08:00", "utc": "1915-02-04T13:56:14Z", "ms": -1732701826030.7627 }, "end": { "local": "1915-02-04T21:56:14+08:00", "utc": "1915-02-04T13:56:14Z", "ms": -1732701826030.7627 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:46 on Wed 3 Feb to 08:10 on Thu 4 Feb.", "fact": "1915-02-03T01:46:29Z → 1915-02-04T00:09:35Z" }, { "step": "kaala", "text": "Moonrise is at 20:55 on the 3rd and 21:56 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 40126 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1915: Wednesday 3 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": "1915-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-02-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1915 falls on Wednesday 3 February. Caturthī runs from 09:46 on Wed 3 Feb to 08:10 on Thu 4 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/ekadashi?on=1915-02-10", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39196, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-02-09T19:49:56+08:00", "utc": "1915-02-09T11:49:56Z", "ms": -1732277404433.9324 }, "end": { "local": "1915-02-10T17:50:13+08:00", "utc": "1915-02-10T09:50:13Z", "ms": -1732198186965.2354 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1915-02-09T19:49:56+08:00", "utc": "1915-02-09T11:49:56Z", "ms": -1732277404433.9324 }, "end": { "local": "1915-02-10T17:50:13+08:00", "utc": "1915-02-10T09:50:13Z", "ms": -1732198186965.2354 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-02-10", "window": { "start": { "local": "1915-02-10T06:43:11+08:00", "utc": "1915-02-09T22:43:11Z", "ms": -1732238208598.336 }, "end": { "local": "1915-02-10T06:43:11+08:00", "utc": "1915-02-09T22:43:11Z", "ms": -1732238208598.336 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-02-11", "window": { "start": { "local": "1915-02-11T06:42:33+08:00", "utc": "1915-02-10T22:42:33Z", "ms": -1732151847396.6418 }, "end": { "local": "1915-02-11T06:42:33+08:00", "utc": "1915-02-10T22:42:33Z", "ms": -1732151847396.6418 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:50 on Tue 9 Feb to 17:50 on Wed 10 Feb.", "fact": "1915-02-09T11:49:56Z → 1915-02-10T09:50:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:43 on the 10th and 06:43 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39196 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Fuzhou, 1915: Wednesday 10 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": "1915-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-02-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Ekādaśī 1915 falls on Wednesday 10 February. Ekādaśī runs from 19:50 on Tue 9 Feb to 17:50 on Wed 10 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-02-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/pradosha-vrata?on=1915-02-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6633, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-02-11T16:01:34+08:00", "utc": "1915-02-11T08:01:34Z", "ms": -1732118305517.544 }, "end": { "local": "1915-02-12T14:28:45+08:00", "utc": "1915-02-12T06:28:45Z", "ms": -1732037474610.749 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1915-02-11T16:01:34+08:00", "utc": "1915-02-11T08:01:34Z", "ms": -1732118305517.544 }, "end": { "local": "1915-02-12T14:28:45+08:00", "utc": "1915-02-12T06:28:45Z", "ms": -1732037474610.749 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-02-11", "window": { "start": { "local": "1915-02-11T17:52:07+08:00", "utc": "1915-02-11T09:52:07Z", "ms": -1732111672589.0657 }, "end": { "local": "1915-02-11T19:34:45+08:00", "utc": "1915-02-11T11:34:45Z", "ms": -1732105514556.0718 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "1915-02-12", "window": { "start": { "local": "1915-02-12T17:52:49+08:00", "utc": "1915-02-12T09:52:49Z", "ms": -1732025231385.616 }, "end": { "local": "1915-02-12T19:35:16+08:00", "utc": "1915-02-12T11:35:16Z", "ms": -1732019084322.5193 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:02 on Thu 11 Feb to 14:29 on Fri 12 Feb.", "fact": "1915-02-11T08:01:34Z → 1915-02-12T06:28:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:52–19:35 on the 11th, 17:53–19:35 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 11th and 0 of 102 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6633 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1915: Thursday 11 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": "1915-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-02-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1915 falls on Thursday 11 February. Trayodaśī runs from 16:02 on Thu 11 Feb to 14:29 on Fri 12 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-02-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33855, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-02-12T14:28:45+08:00", "utc": "1915-02-12T06:28:45Z", "ms": -1732037474610.749 }, "end": { "local": "1915-02-13T13:16:49+08:00", "utc": "1915-02-13T05:16:49Z", "ms": -1731955390998.7966 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1915-02-12T14:28:45+08:00", "utc": "1915-02-12T06:28:45Z", "ms": -1732037474610.749 }, "end": { "local": "1915-02-13T13:16:49+08:00", "utc": "1915-02-13T05:16:49Z", "ms": -1731955390998.7966 } }, "kaala": "nishita", "days": [ { "local_date": "1915-02-12", "window": { "start": { "local": "1915-02-12T23:53:00+08:00", "utc": "1915-02-12T15:53:00Z", "ms": -1732003619899.0034 }, "end": { "local": "1915-02-13T00:41:00+08:00", "utc": "1915-02-12T16:41:00Z", "ms": -1732000739899.0034 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-02-13", "window": { "start": { "local": "1915-02-13T23:52:59+08:00", "utc": "1915-02-13T15:52:59Z", "ms": -1731917220587.815 }, "end": { "local": "1915-02-14T00:40:59+08:00", "utc": "1915-02-13T16:40:59Z", "ms": -1731914340587.815 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:29 on Fri 12 Feb to 13:17 on Sat 13 Feb.", "fact": "1915-02-12T06:28:45Z → 1915-02-13T05:16:49Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 12th, 23:53–00:41 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 33855 s" }, { "step": "ruling", "text": "Mahāśivarātri, Fuzhou, 1915: Friday 12 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": "1915-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-02-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahāśivarātri 1915 falls on Friday 12 February. Caturdaśī runs from 14:29 on Fri 12 Feb to 13:17 on Sat 13 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vinayaka-chaturthi?on=1915-02-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2785, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-02-17T13:27:38+08:00", "utc": "1915-02-17T05:27:38Z", "ms": -1731609142399.36 }, "end": { "local": "1915-02-18T14:55:56+08:00", "utc": "1915-02-18T06:55:56Z", "ms": -1731517444337.042 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1915-02-17T13:27:38+08:00", "utc": "1915-02-17T05:27:38Z", "ms": -1731609142399.36 }, "end": { "local": "1915-02-18T14:55:56+08:00", "utc": "1915-02-18T06:55:56Z", "ms": -1731517444337.042 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-02-17", "window": { "start": { "local": "1915-02-17T11:53:12+08:00", "utc": "1915-02-17T03:53:12Z", "ms": -1731614807580.9429 }, "end": { "local": "1915-02-17T12:41:12+08:00", "utc": "1915-02-17T04:41:12Z", "ms": -1731611927580.9429 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-02-18", "window": { "start": { "local": "1915-02-18T11:53:09+08:00", "utc": "1915-02-18T03:53:09Z", "ms": -1731528411445.5513 }, "end": { "local": "1915-02-18T12:41:09+08:00", "utc": "1915-02-18T04:41:09Z", "ms": -1731525531445.5513 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:28 on Wed 17 Feb to 14:56 on Thu 18 Feb.", "fact": "1915-02-17T05:27:38Z → 1915-02-18T06:55:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 17th, 11:53–12:41 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "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 2785 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1915: Thursday 18 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": "1915-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-02-18", "confidence": "boundary" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1915 falls on Thursday 18 February. Caturthī runs from 13:28 on Wed 17 Feb to 14:56 on Thu 18 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/vinayaka-chaturthi?on=1915-02-18", "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/1915/ekadashi?on=1915-02-25", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-02-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5249, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-02-25T03:59:41+08:00", "utc": "1915-02-24T19:59:41Z", "ms": -1730952018874.727 }, "end": { "local": "1915-02-26T05:03:17+08:00", "utc": "1915-02-25T21:03:17Z", "ms": -1730861803332.486 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1915-02-25T03:59:41+08:00", "utc": "1915-02-24T19:59:41Z", "ms": -1730952018874.727 }, "end": { "local": "1915-02-26T05:03:17+08:00", "utc": "1915-02-25T21:03:17Z", "ms": -1730861803332.486 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-02-25", "window": { "start": { "local": "1915-02-25T06:31:39+08:00", "utc": "1915-02-24T22:31:39Z", "ms": -1730942900822.1472 }, "end": { "local": "1915-02-25T06:31:39+08:00", "utc": "1915-02-24T22:31:39Z", "ms": -1730942900822.1472 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-02-26", "window": { "start": { "local": "1915-02-26T06:30:46+08:00", "utc": "1915-02-25T22:30:46Z", "ms": -1730856554388.0955 }, "end": { "local": "1915-02-26T06:30:46+08:00", "utc": "1915-02-25T22:30:46Z", "ms": -1730856554388.0955 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:00 on Thu 25 Feb to 05:03 on Fri 26 Feb.", "fact": "1915-02-24T19:59:41Z → 1915-02-25T21:03:17Z" }, { "step": "kaala", "text": "Sunrise is at 06:32 on the 25th and 06:31 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5249 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Fuzhou, 1915: Thursday 25 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": "1915-02-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-02-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Āmalakī Ekādaśī 1915 falls on Thursday 25 February. Ekādaśī runs from 04:00 on Thu 25 Feb to 05:03 on Fri 26 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-02-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/pradosha-vrata?on=1915-02-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33816, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-02-27T05:25:22+08:00", "utc": "1915-02-26T21:25:22Z", "ms": -1730774077617.4507 }, "end": { "local": "1915-02-28T05:05:25+08:00", "utc": "1915-02-27T21:05:25Z", "ms": -1730688875399.2966 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1915-02-27T05:25:22+08:00", "utc": "1915-02-26T21:25:22Z", "ms": -1730774077617.4507 }, "end": { "local": "1915-02-28T05:05:25+08:00", "utc": "1915-02-27T21:05:25Z", "ms": -1730688875399.2966 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-02-26", "window": { "start": { "local": "1915-02-26T18:01:40+08:00", "utc": "1915-02-26T10:01:40Z", "ms": -1730815099757.1096 }, "end": { "local": "1915-02-26T19:41:26+08:00", "utc": "1915-02-26T11:41:26Z", "ms": -1730809114286.641 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "1915-02-27", "window": { "start": { "local": "1915-02-27T18:02:15+08:00", "utc": "1915-02-27T10:02:15Z", "ms": -1730728665041.2827 }, "end": { "local": "1915-02-27T19:41:48+08:00", "utc": "1915-02-27T11:41:48Z", "ms": -1730722691544.372 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:25 on Sat 27 Feb to 05:05 on Sun 28 Feb.", "fact": "1915-02-26T21:25:22Z → 1915-02-27T21:05:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:41 on the 26th, 18:02–19:42 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 26th and 100 of 100 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33816 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1915: Saturday 27 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": "1915-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-02-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1915 falls on Saturday 27 February. Trayodaśī runs from 05:25 on Sat 27 Feb to 05:05 on Sun 28 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30538, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-03-01T04:06:03+08:00", "utc": "1915-02-28T20:06:03Z", "ms": -1730606036719.3699 }, "end": { "local": "1915-03-02T02:32:21+08:00", "utc": "1915-03-01T18:32:21Z", "ms": -1730525258763.674 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1915-03-01T04:06:03+08:00", "utc": "1915-02-28T20:06:03Z", "ms": -1730606036719.3699 }, "end": { "local": "1915-03-02T02:32:21+08:00", "utc": "1915-03-01T18:32:21Z", "ms": -1730525258763.674 } }, "kaala": "sayahna", "days": [ { "local_date": "1915-02-28", "window": { "start": { "local": "1915-02-28T15:44:03+08:00", "utc": "1915-02-28T07:44:03Z", "ms": -1730650557348.039 }, "end": { "local": "1915-02-28T18:02:49+08:00", "utc": "1915-02-28T10:02:49Z", "ms": -1730642230731.4358 } }, "covered_min": 0, "window_min": 139, "qualifies": false }, { "local_date": "1915-03-01", "window": { "start": { "local": "1915-03-01T15:44:19+08:00", "utc": "1915-03-01T07:44:19Z", "ms": -1730564141375.9775 }, "end": { "local": "1915-03-01T18:03:23+08:00", "utc": "1915-03-01T10:03:23Z", "ms": -1730555796815.9612 } }, "covered_min": 139, "window_min": 139, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:06 on Mon 1 Mar to 02:32 on Tue 2 Mar.", "fact": "1915-02-28T20:06:03Z → 1915-03-01T18:32:21Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:44–18:03 on the 28th, 15:44–18:03 on the 1st.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 139 minutes on the 28th and 139 of 139 on the 1st.", "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 30538 s" }, { "step": "ruling", "text": "Holikā Dahana, Fuzhou, 1915: Monday 1 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": "1915-03-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Holikā Dahana 1915 falls on Monday 1 March. Pūrṇimā runs from 04:06 on Mon 1 Mar to 02:32 on Tue 2 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30538, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-03-01T04:06:03+08:00", "utc": "1915-02-28T20:06:03Z", "ms": -1730606036719.3699 }, "end": { "local": "1915-03-02T02:32:21+08:00", "utc": "1915-03-01T18:32:21Z", "ms": -1730525258763.674 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1915-03-01T04:06:03+08:00", "utc": "1915-02-28T20:06:03Z", "ms": -1730606036719.3699 }, "end": { "local": "1915-03-02T02:32:21+08:00", "utc": "1915-03-01T18:32:21Z", "ms": -1730525258763.674 } }, "kaala": "sayahna", "days": [ { "local_date": "1915-02-28", "window": { "start": { "local": "1915-02-28T15:44:03+08:00", "utc": "1915-02-28T07:44:03Z", "ms": -1730650557348.039 }, "end": { "local": "1915-02-28T18:02:49+08:00", "utc": "1915-02-28T10:02:49Z", "ms": -1730642230731.4358 } }, "covered_min": 0, "window_min": 139, "qualifies": false }, { "local_date": "1915-03-01", "window": { "start": { "local": "1915-03-01T15:44:19+08:00", "utc": "1915-03-01T07:44:19Z", "ms": -1730564141375.9775 }, "end": { "local": "1915-03-01T18:03:23+08:00", "utc": "1915-03-01T10:03:23Z", "ms": -1730555796815.9612 } }, "covered_min": 139, "window_min": 139, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1915-03-01", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:06 on Mon 1 Mar to 02:32 on Tue 2 Mar.", "fact": "1915-02-28T20:06:03Z → 1915-03-01T18:32:21Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:44–18:03 on the 28th, 15:44–18:03 on the 1st.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 139 minutes on the 28th and 139 of 139 on the 1st.", "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 30538 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Monday 1 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Fuzhou, 1915: Tuesday 2 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": "1915-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Holī 1915 falls on Tuesday 2 March. It is kept the day after Holikā Dahana, which falls on Monday 1 March. Pūrṇimā runs from 04:06 on Mon 1 Mar to 02:32 on Tue 2 Mar and covers all of sāyāhna on the 1st.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14083, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1915-03-02T02:32:21+08:00", "utc": "1915-03-01T18:32:21Z", "ms": -1730525258763.674 }, "end": { "local": "1915-03-03T00:30:54+08:00", "utc": "1915-03-02T16:30:54Z", "ms": -1730446146017.8413 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-02T02:32:21+08:00", "utc": "1915-03-01T18:32:21Z", "ms": -1730525258763.674 }, "end": { "local": "1915-03-03T00:30:54+08:00", "utc": "1915-03-02T16:30:54Z", "ms": -1730446146017.8413 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-03-02", "window": { "start": { "local": "1915-03-02T06:27:04+08:00", "utc": "1915-03-01T22:27:04Z", "ms": -1730511176103.3665 }, "end": { "local": "1915-03-02T06:27:04+08:00", "utc": "1915-03-01T22:27:04Z", "ms": -1730511176103.3665 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-03-03", "window": { "start": { "local": "1915-03-03T06:26:07+08:00", "utc": "1915-03-02T22:26:07Z", "ms": -1730424833246.1562 }, "end": { "local": "1915-03-03T06:26:07+08:00", "utc": "1915-03-02T22:26:07Z", "ms": -1730424833246.1562 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:32 on Tue 2 Mar to 00:31 on Wed 3 Mar.", "fact": "1915-03-01T18:32:21Z → 1915-03-02T16:30:54Z" }, { "step": "kaala", "text": "Sunrise is at 06:27 on the 2nd and 06:26 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14083 s" }, { "step": "ruling", "text": "Vasantotsava, Fuzhou, 1915: Tuesday 2 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Vasantotsava 1915 falls on Tuesday 2 March. Pratipadā runs from 02:32 on Tue 2 Mar to 00:31 on Wed 3 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/sankashta-chaturthi?on=1915-03-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4452, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-03-04T19:34:40+08:00", "utc": "1915-03-04T11:34:40Z", "ms": -1730291120108.9028 }, "end": { "local": "1915-03-05T16:55:02+08:00", "utc": "1915-03-05T08:55:02Z", "ms": -1730214297976.7815 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-04T19:34:40+08:00", "utc": "1915-03-04T11:34:40Z", "ms": -1730291120108.9028 }, "end": { "local": "1915-03-05T16:55:02+08:00", "utc": "1915-03-05T08:55:02Z", "ms": -1730214297976.7815 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-03-04", "window": { "start": { "local": "1915-03-04T20:48:52+08:00", "utc": "1915-03-04T12:48:52Z", "ms": -1730286668393.8076 }, "end": { "local": "1915-03-04T20:48:52+08:00", "utc": "1915-03-04T12:48:52Z", "ms": -1730286668393.8076 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-03-05", "window": { "start": { "local": "1915-03-05T21:54:59+08:00", "utc": "1915-03-05T13:54:59Z", "ms": -1730196301032.3596 }, "end": { "local": "1915-03-05T21:54:59+08:00", "utc": "1915-03-05T13:54:59Z", "ms": -1730196301032.3596 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:35 on Thu 4 Mar to 16:55 on Fri 5 Mar.", "fact": "1915-03-04T11:34:40Z → 1915-03-05T08:55:02Z" }, { "step": "kaala", "text": "Moonrise is at 20:49 on the 4th and 21:55 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4452 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1915: Thursday 4 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": "1915-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1915 falls on Thursday 4 March. Caturthī runs from 19:35 on Thu 4 Mar to 16:55 on Fri 5 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-03-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8421, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1915-03-08T09:29:50+08:00", "utc": "1915-03-08T01:29:50Z", "ms": -1729981809757.4478 }, "end": { "local": "1915-03-09T07:29:22+08:00", "utc": "1915-03-08T23:29:22Z", "ms": -1729902637967.7747 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-08T09:29:50+08:00", "utc": "1915-03-08T01:29:50Z", "ms": -1729981809757.4478 }, "end": { "local": "1915-03-09T07:29:22+08:00", "utc": "1915-03-08T23:29:22Z", "ms": -1729902637967.7747 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-03-08", "window": { "start": { "local": "1915-03-08T11:50:12+08:00", "utc": "1915-03-08T03:50:12Z", "ms": -1729973388498.8962 }, "end": { "local": "1915-03-08T12:38:12+08:00", "utc": "1915-03-08T04:38:12Z", "ms": -1729970508498.8962 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-03-09", "window": { "start": { "local": "1915-03-09T11:49:57+08:00", "utc": "1915-03-09T03:49:57Z", "ms": -1729887003087.2583 }, "end": { "local": "1915-03-09T12:37:57+08:00", "utc": "1915-03-09T04:37:57Z", "ms": -1729884123087.2583 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:30 on Mon 8 Mar to 07:29 on Tue 9 Mar.", "fact": "1915-03-08T01:29:50Z → 1915-03-08T23:29:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 8th, 11:50–12:38 on the 9th.", "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 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8421 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Fuzhou, 1915: Monday 8 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": "1915-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalāṣṭamī 1915 falls on Monday 8 March. Aṣṭamī runs from 09:30 on Mon 8 Mar to 07:29 on Tue 9 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-03-11", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6562, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-03-11T04:28:47+08:00", "utc": "1915-03-10T20:28:47Z", "ms": -1729740672559.604 }, "end": { "local": "1915-03-12T03:31:36+08:00", "utc": "1915-03-11T19:31:36Z", "ms": -1729657704343.0283 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-11T04:28:47+08:00", "utc": "1915-03-10T20:28:47Z", "ms": -1729740672559.604 }, "end": { "local": "1915-03-12T03:31:36+08:00", "utc": "1915-03-11T19:31:36Z", "ms": -1729657704343.0283 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-03-11", "window": { "start": { "local": "1915-03-11T06:18:10+08:00", "utc": "1915-03-10T22:18:10Z", "ms": -1729734110368.2087 }, "end": { "local": "1915-03-11T06:18:10+08:00", "utc": "1915-03-10T22:18:10Z", "ms": -1729734110368.2087 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-03-12", "window": { "start": { "local": "1915-03-12T06:17:08+08:00", "utc": "1915-03-11T22:17:08Z", "ms": -1729647772071.975 }, "end": { "local": "1915-03-12T06:17:08+08:00", "utc": "1915-03-11T22:17:08Z", "ms": -1729647772071.975 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:29 on Thu 11 Mar to 03:32 on Fri 12 Mar.", "fact": "1915-03-10T20:28:47Z → 1915-03-11T19:31:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:18 on the 11th and 06:17 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6562 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Fuzhou, 1915: Thursday 11 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": "1915-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāpamocanī Ekādaśī 1915 falls on Thursday 11 March. Ekādaśī runs from 04:29 on Thu 11 Mar to 03:32 on Fri 12 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-03-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/pradosha-vrata?on=1915-03-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25259, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-03-13T02:57:35+08:00", "utc": "1915-03-12T18:57:35Z", "ms": -1729573345275.1108 }, "end": { "local": "1915-03-14T02:47:26+08:00", "utc": "1915-03-13T18:47:26Z", "ms": -1729487553910.9656 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-13T02:57:35+08:00", "utc": "1915-03-12T18:57:35Z", "ms": -1729573345275.1108 }, "end": { "local": "1915-03-14T02:47:26+08:00", "utc": "1915-03-13T18:47:26Z", "ms": -1729487553910.9656 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-03-12", "window": { "start": { "local": "1915-03-12T18:09:14+08:00", "utc": "1915-03-12T10:09:14Z", "ms": -1729605045824.7268 }, "end": { "local": "1915-03-12T19:46:09+08:00", "utc": "1915-03-12T11:46:09Z", "ms": -1729599230933.9517 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "1915-03-13", "window": { "start": { "local": "1915-03-13T18:09:44+08:00", "utc": "1915-03-13T10:09:44Z", "ms": -1729518615605.3247 }, "end": { "local": "1915-03-13T19:46:27+08:00", "utc": "1915-03-13T11:46:27Z", "ms": -1729512813065.7625 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:58 on Sat 13 Mar to 02:47 on Sun 14 Mar.", "fact": "1915-03-12T18:57:35Z → 1915-03-13T18:47:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:46 on the 12th, 18:10–19:46 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 12th and 97 of 97 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25259 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1915: Saturday 13 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": "1915-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1915 falls on Saturday 13 March. Trayodaśī runs from 02:58 on Sat 13 Mar to 02:47 on Sun 14 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-03-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/shivaratri?on=1915-03-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7862, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-03-14T02:47:26+08:00", "utc": "1915-03-13T18:47:26Z", "ms": -1729487553910.9656 }, "end": { "local": "1915-03-15T03:01:57+08:00", "utc": "1915-03-14T19:01:57Z", "ms": -1729400282577.0913 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-14T02:47:26+08:00", "utc": "1915-03-13T18:47:26Z", "ms": -1729487553910.9656 }, "end": { "local": "1915-03-15T03:01:57+08:00", "utc": "1915-03-14T19:01:57Z", "ms": -1729400282577.0913 } }, "kaala": "nishita", "days": [ { "local_date": "1915-03-13", "window": { "start": { "local": "1915-03-13T23:48:24+08:00", "utc": "1915-03-13T15:48:24Z", "ms": -1729498296081.9658 }, "end": { "local": "1915-03-14T00:36:24+08:00", "utc": "1915-03-13T16:36:24Z", "ms": -1729495416081.9658 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-03-14", "window": { "start": { "local": "1915-03-14T23:48:08+08:00", "utc": "1915-03-14T15:48:08Z", "ms": -1729411912458.0117 }, "end": { "local": "1915-03-15T00:36:08+08:00", "utc": "1915-03-14T16:36:08Z", "ms": -1729409032458.0117 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:47 on Sun 14 Mar to 03:02 on Mon 15 Mar.", "fact": "1915-03-13T18:47:26Z → 1915-03-14T19:01:57Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 13th, 23:48–00:36 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7862 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1915: Sunday 14 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": "1915-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1915 falls on Sunday 14 March. Caturdaśī runs from 02:47 on Sun 14 Mar to 03:02 on Mon 15 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1915/shivaratri?on=1915-03-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25184, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1915-03-16T03:41:59+08:00", "utc": "1915-03-15T19:41:59Z", "ms": -1729311480877.9207 }, "end": { "local": "1915-03-17T04:48:05+08:00", "utc": "1915-03-16T20:48:05Z", "ms": -1729221115291.3901 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-16T03:41:59+08:00", "utc": "1915-03-15T19:41:59Z", "ms": -1729311480877.9207 }, "end": { "local": "1915-03-17T04:48:05+08:00", "utc": "1915-03-16T20:48:05Z", "ms": -1729221115291.3901 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-03-16", "window": { "start": { "local": "1915-03-16T11:48:06+08:00", "utc": "1915-03-16T03:48:06Z", "ms": -1729282314331.3188 }, "end": { "local": "1915-03-16T12:36:06+08:00", "utc": "1915-03-16T04:36:06Z", "ms": -1729279434331.3188 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-03-17", "window": { "start": { "local": "1915-03-17T11:47:49+08:00", "utc": "1915-03-17T03:47:49Z", "ms": -1729195931319.4932 }, "end": { "local": "1915-03-17T12:35:49+08:00", "utc": "1915-03-17T04:35:49Z", "ms": -1729193051319.4932 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:42 on Tue 16 Mar to 04:48 on Wed 17 Mar.", "fact": "1915-03-15T19:41:59Z → 1915-03-16T20:48:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 16th, 11:48–12:36 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25184 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Fuzhou, 1915: Tuesday 16 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": "1915-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Caitra) (Chaitra Navratri) 1915 falls on Tuesday 16 March. Pratipadā runs from 03:42 on Tue 16 Mar to 04:48 on Wed 17 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12699, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1915-03-18T06:19:56+08:00", "utc": "1915-03-17T22:19:56Z", "ms": -1729129204382.5771 }, "end": { "local": "1915-03-19T08:15:35+08:00", "utc": "1915-03-19T00:15:35Z", "ms": -1729035864870.1443 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-18T06:19:56+08:00", "utc": "1915-03-17T22:19:56Z", "ms": -1729129204382.5771 }, "end": { "local": "1915-03-19T08:15:35+08:00", "utc": "1915-03-19T00:15:35Z", "ms": -1729035864870.1443 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-03-18", "window": { "start": { "local": "1915-03-18T11:47:31+08:00", "utc": "1915-03-18T03:47:31Z", "ms": -1729109548530.185 }, "end": { "local": "1915-03-18T12:35:31+08:00", "utc": "1915-03-18T04:35:31Z", "ms": -1729106668530.185 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-03-19", "window": { "start": { "local": "1915-03-19T11:47:14+08:00", "utc": "1915-03-19T03:47:14Z", "ms": -1729023165945.6816 }, "end": { "local": "1915-03-19T12:35:14+08:00", "utc": "1915-03-19T04:35:14Z", "ms": -1729020285945.6816 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:20 on Thu 18 Mar to 08:16 on Fri 19 Mar.", "fact": "1915-03-17T22:19:56Z → 1915-03-19T00:15:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 18th, 11:47–12:35 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12699 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Fuzhou, 1915: Thursday 18 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": "1915-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaurī Tṛtīyā (Gangaur) 1915 falls on Thursday 18 March. Tṛtīyā runs from 06:20 on Thu 18 Mar to 08:16 on Fri 19 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12699, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1915-03-18T06:19:56+08:00", "utc": "1915-03-17T22:19:56Z", "ms": -1729129204382.5771 }, "end": { "local": "1915-03-19T08:15:35+08:00", "utc": "1915-03-19T00:15:35Z", "ms": -1729035864870.1443 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-18T06:19:56+08:00", "utc": "1915-03-17T22:19:56Z", "ms": -1729129204382.5771 }, "end": { "local": "1915-03-19T08:15:35+08:00", "utc": "1915-03-19T00:15:35Z", "ms": -1729035864870.1443 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-03-18", "window": { "start": { "local": "1915-03-18T11:47:31+08:00", "utc": "1915-03-18T03:47:31Z", "ms": -1729109548530.185 }, "end": { "local": "1915-03-18T12:35:31+08:00", "utc": "1915-03-18T04:35:31Z", "ms": -1729106668530.185 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-03-19", "window": { "start": { "local": "1915-03-19T11:47:14+08:00", "utc": "1915-03-19T03:47:14Z", "ms": -1729023165945.6816 }, "end": { "local": "1915-03-19T12:35:14+08:00", "utc": "1915-03-19T04:35:14Z", "ms": -1729020285945.6816 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:20 on Thu 18 Mar to 08:16 on Fri 19 Mar.", "fact": "1915-03-17T22:19:56Z → 1915-03-19T00:15:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 18th, 11:47–12:35 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12699 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Fuzhou, 1915: Thursday 18 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": "1915-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Saubhāgya Śayana Vrata 1915 falls on Thursday 18 March. Tṛtīyā runs from 06:20 on Thu 18 Mar to 08:16 on Fri 19 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vinayaka-chaturthi?on=1915-03-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4575, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-03-19T08:15:35+08:00", "utc": "1915-03-19T00:15:35Z", "ms": -1729035864870.1443 }, "end": { "local": "1915-03-20T10:30:42+08:00", "utc": "1915-03-20T02:30:42Z", "ms": -1728941358320.736 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-19T08:15:35+08:00", "utc": "1915-03-19T00:15:35Z", "ms": -1729035864870.1443 }, "end": { "local": "1915-03-20T10:30:42+08:00", "utc": "1915-03-20T02:30:42Z", "ms": -1728941358320.736 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-03-19", "window": { "start": { "local": "1915-03-19T11:47:14+08:00", "utc": "1915-03-19T03:47:14Z", "ms": -1729023165945.6816 }, "end": { "local": "1915-03-19T12:35:14+08:00", "utc": "1915-03-19T04:35:14Z", "ms": -1729020285945.6816 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-03-20", "window": { "start": { "local": "1915-03-20T11:46:56+08:00", "utc": "1915-03-20T03:46:56Z", "ms": -1728936783547.9229 }, "end": { "local": "1915-03-20T12:34:56+08:00", "utc": "1915-03-20T04:34:56Z", "ms": -1728933903547.9229 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:16 on Fri 19 Mar to 10:31 on Sat 20 Mar.", "fact": "1915-03-19T00:15:35Z → 1915-03-20T02:30:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 19th, 11:47–12:35 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4575 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1915: Friday 19 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": "1915-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1915 falls on Friday 19 March. Caturthī runs from 08:16 on Fri 19 Mar to 10:31 on Sat 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/vinayaka-chaturthi?on=1915-03-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1399, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1915-03-20T10:30:42+08:00", "utc": "1915-03-20T02:30:42Z", "ms": -1728941358320.736 }, "end": { "local": "1915-03-21T12:57:57+08:00", "utc": "1915-03-21T04:57:57Z", "ms": -1728846122599.232 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-20T10:30:42+08:00", "utc": "1915-03-20T02:30:42Z", "ms": -1728941358320.736 }, "end": { "local": "1915-03-21T12:57:57+08:00", "utc": "1915-03-21T04:57:57Z", "ms": -1728846122599.232 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-03-20", "window": { "start": { "local": "1915-03-20T11:46:56+08:00", "utc": "1915-03-20T03:46:56Z", "ms": -1728936783547.9229 }, "end": { "local": "1915-03-20T12:34:56+08:00", "utc": "1915-03-20T04:34:56Z", "ms": -1728933903547.9229 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-03-21", "window": { "start": { "local": "1915-03-21T11:46:39+08:00", "utc": "1915-03-21T03:46:39Z", "ms": -1728850401318.4968 }, "end": { "local": "1915-03-21T12:34:39+08:00", "utc": "1915-03-21T04:34:39Z", "ms": -1728847521318.4968 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:31 on Sat 20 Mar to 12:58 on Sun 21 Mar.", "fact": "1915-03-20T02:30:42Z → 1915-03-21T04:57:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 20th, 11:47–12:35 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 48 of 48 on the 21st.", "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 1399 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Fuzhou, 1915: Saturday 20 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": "1915-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Lakṣmī Pañcamī 1915 falls on Saturday 20 March. Pañcamī runs from 10:31 on Sat 20 Mar to 12:58 on Sun 21 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/1915/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/1915/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18720, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1915-03-23T17:46:03+08:00", "utc": "1915-03-23T09:46:03Z", "ms": -1728656037077.2646 }, "end": { "local": "1915-03-24T19:41:44+08:00", "utc": "1915-03-24T11:41:44Z", "ms": -1728562695511.348 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-23T17:46:03+08:00", "utc": "1915-03-23T09:46:03Z", "ms": -1728656037077.2646 }, "end": { "local": "1915-03-24T19:41:44+08:00", "utc": "1915-03-24T11:41:44Z", "ms": -1728562695511.348 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-03-23", "window": { "start": { "local": "1915-03-23T11:46:03+08:00", "utc": "1915-03-23T03:46:03Z", "ms": -1728677637289.315 }, "end": { "local": "1915-03-23T12:34:03+08:00", "utc": "1915-03-23T04:34:03Z", "ms": -1728674757289.315 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-03-24", "window": { "start": { "local": "1915-03-24T11:45:45+08:00", "utc": "1915-03-24T03:45:45Z", "ms": -1728591255451.0671 }, "end": { "local": "1915-03-24T12:33:45+08:00", "utc": "1915-03-24T04:33:45Z", "ms": -1728588375451.0671 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:46 on Tue 23 Mar to 19:42 on Wed 24 Mar.", "fact": "1915-03-23T09:46:03Z → 1915-03-24T11:41:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 23rd, 11:46–12:34 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18720 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Fuzhou, 1915: Wednesday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhavānī Utpatti 1915 falls on Wednesday 24 March. Aṣṭamī runs from 17:46 on Tue 23 Mar to 19:42 on Wed 24 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25680, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1915-03-24T19:41:44+08:00", "utc": "1915-03-24T11:41:44Z", "ms": -1728562695511.348 }, "end": { "local": "1915-03-25T21:02:44+08:00", "utc": "1915-03-25T13:02:44Z", "ms": -1728471435950.1775 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-24T19:41:44+08:00", "utc": "1915-03-24T11:41:44Z", "ms": -1728562695511.348 }, "end": { "local": "1915-03-25T21:02:44+08:00", "utc": "1915-03-25T13:02:44Z", "ms": -1728471435950.1775 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-03-24", "window": { "start": { "local": "1915-03-24T11:45:45+08:00", "utc": "1915-03-24T03:45:45Z", "ms": -1728591255451.0671 }, "end": { "local": "1915-03-24T12:33:45+08:00", "utc": "1915-03-24T04:33:45Z", "ms": -1728588375451.0671 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-03-25", "window": { "start": { "local": "1915-03-25T11:45:26+08:00", "utc": "1915-03-25T03:45:26Z", "ms": -1728504873704.1372 }, "end": { "local": "1915-03-25T12:33:26+08:00", "utc": "1915-03-25T04:33:26Z", "ms": -1728501993704.1372 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 19:42 on Wed 24 Mar to 21:03 on Thu 25 Mar.", "fact": "1915-03-24T11:41:44Z → 1915-03-25T13:02:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 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": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25680 s" }, { "step": "ruling", "text": "Rāma Navamī, Fuzhou, 1915: Thursday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Rāma Navamī 1915 falls on Thursday 25 March. Navamī runs from 19:42 on Wed 24 Mar to 21:03 on Thu 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-03-27", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30042, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-03-26T21:40:31+08:00", "utc": "1915-03-26T13:40:31Z", "ms": -1728382769356.2974 }, "end": { "local": "1915-03-27T21:30:33+08:00", "utc": "1915-03-27T13:30:33Z", "ms": -1728296966890.0466 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-26T21:40:31+08:00", "utc": "1915-03-26T13:40:31Z", "ms": -1728382769356.2974 }, "end": { "local": "1915-03-27T21:30:33+08:00", "utc": "1915-03-27T13:30:33Z", "ms": -1728296966890.0466 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-03-27", "window": { "start": { "local": "1915-03-27T06:01:12+08:00", "utc": "1915-03-26T22:01:12Z", "ms": -1728352727648.044 }, "end": { "local": "1915-03-27T06:01:12+08:00", "utc": "1915-03-26T22:01:12Z", "ms": -1728352727648.044 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-03-28", "window": { "start": { "local": "1915-03-28T06:00:08+08:00", "utc": "1915-03-27T22:00:08Z", "ms": -1728266392183.3147 }, "end": { "local": "1915-03-28T06:00:08+08:00", "utc": "1915-03-27T22:00:08Z", "ms": -1728266392183.3147 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:41 on Fri 26 Mar to 21:31 on Sat 27 Mar.", "fact": "1915-03-26T13:40:31Z → 1915-03-27T13:30:33Z" }, { "step": "kaala", "text": "Sunrise is at 06:01 on the 27th and 06:00 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 30042 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Fuzhou, 1915: Saturday 27 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": "1915-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmadā Ekādaśī 1915 falls on Saturday 27 March. Ekādaśī runs from 21:41 on Fri 26 Mar to 21:31 on Sat 27 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-03-27", "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/1915/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22654, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-03-28T20:32:31+08:00", "utc": "1915-03-28T12:32:31Z", "ms": -1728214048937.492 }, "end": { "local": "1915-03-29T18:49:47+08:00", "utc": "1915-03-29T10:49:47Z", "ms": -1728133813024.0845 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-28T20:32:31+08:00", "utc": "1915-03-28T12:32:31Z", "ms": -1728214048937.492 }, "end": { "local": "1915-03-29T18:49:47+08:00", "utc": "1915-03-29T10:49:47Z", "ms": -1728133813024.0845 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-03-28", "window": { "start": { "local": "1915-03-28T11:44:31+08:00", "utc": "1915-03-28T03:44:31Z", "ms": -1728245728806.5303 }, "end": { "local": "1915-03-28T12:32:31+08:00", "utc": "1915-03-28T04:32:31Z", "ms": -1728242848806.5303 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-03-29", "window": { "start": { "local": "1915-03-29T11:44:13+08:00", "utc": "1915-03-29T03:44:13Z", "ms": -1728159347217.0513 }, "end": { "local": "1915-03-29T12:32:13+08:00", "utc": "1915-03-29T04:32:13Z", "ms": -1728156467217.0513 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:33 on Sun 28 Mar to 18:50 on Mon 29 Mar.", "fact": "1915-03-28T12:32:31Z → 1915-03-29T10:49:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 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": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22654 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Fuzhou, 1915: Monday 29 March.", "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": "1915-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Anaṅga Trayodaśī 1915 falls on Monday 29 March. Trayodaśī runs from 20:33 on Sun 28 Mar to 18:50 on Mon 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/pradosha-vrata?on=1915-03-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1945, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-03-28T20:32:31+08:00", "utc": "1915-03-28T12:32:31Z", "ms": -1728214048937.492 }, "end": { "local": "1915-03-29T18:49:47+08:00", "utc": "1915-03-29T10:49:47Z", "ms": -1728133813024.0845 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-28T20:32:31+08:00", "utc": "1915-03-28T12:32:31Z", "ms": -1728214048937.492 }, "end": { "local": "1915-03-29T18:49:47+08:00", "utc": "1915-03-29T10:49:47Z", "ms": -1728133813024.0845 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-03-28", "window": { "start": { "local": "1915-03-28T18:16:55+08:00", "utc": "1915-03-28T10:16:55Z", "ms": -1728222185429.746 }, "end": { "local": "1915-03-28T19:50:32+08:00", "utc": "1915-03-28T11:50:32Z", "ms": -1728216568261.7207 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1915-03-29", "window": { "start": { "local": "1915-03-29T18:17:22+08:00", "utc": "1915-03-29T10:17:22Z", "ms": -1728135757764.5466 }, "end": { "local": "1915-03-29T19:50:47+08:00", "utc": "1915-03-29T11:50:47Z", "ms": -1728130152873.0244 } }, "covered_min": 32, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:33 on Sun 28 Mar to 18:50 on Mon 29 Mar.", "fact": "1915-03-28T12:32:31Z → 1915-03-29T10:49:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:51 on the 28th, 18:17–19:51 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 94 minutes on the 28th and 32 of 93 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 1945 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1915: Monday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-29", "confidence": "boundary" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1915 falls on Monday 29 March. Trayodaśī runs from 20:33 on Sun 28 Mar to 18:50 on Mon 29 Mar and covers 32 of 93 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-03-29", "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/1915/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14203, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-03-29T18:49:47+08:00", "utc": "1915-03-29T10:49:47Z", "ms": -1728133813024.0845 }, "end": { "local": "1915-03-30T16:28:38+08:00", "utc": "1915-03-30T08:28:38Z", "ms": -1728055882414.061 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-29T18:49:47+08:00", "utc": "1915-03-29T10:49:47Z", "ms": -1728133813024.0845 }, "end": { "local": "1915-03-30T16:28:38+08:00", "utc": "1915-03-30T08:28:38Z", "ms": -1728055882414.061 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-03-29", "window": { "start": { "local": "1915-03-29T11:44:13+08:00", "utc": "1915-03-29T03:44:13Z", "ms": -1728159347217.0513 }, "end": { "local": "1915-03-29T12:32:13+08:00", "utc": "1915-03-29T04:32:13Z", "ms": -1728156467217.0513 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-03-30", "window": { "start": { "local": "1915-03-30T11:43:54+08:00", "utc": "1915-03-30T03:43:54Z", "ms": -1728072965611.5488 }, "end": { "local": "1915-03-30T12:31:54+08:00", "utc": "1915-03-30T04:31:54Z", "ms": -1728070085611.5488 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:50 on Mon 29 Mar to 16:29 on Tue 30 Mar.", "fact": "1915-03-29T10:49:47Z → 1915-03-30T08:28:38Z" }, { "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": "Caturdaśī 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: paraviddha → only-day · margin 14203 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Fuzhou, 1915: Tuesday 30 March.", "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": "1915-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Viṣṇudamanaka Caturdaśī 1915 falls on Tuesday 30 March. Caturdaśī runs from 18:50 on Mon 29 Mar to 16:29 on Tue 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3945, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-03-30T16:28:38+08:00", "utc": "1915-03-30T08:28:38Z", "ms": -1728055882414.061 }, "end": { "local": "1915-03-31T13:37:21+08:00", "utc": "1915-03-31T05:37:21Z", "ms": -1727979759141.94 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1915-03-30T16:28:38+08:00", "utc": "1915-03-30T08:28:38Z", "ms": -1728055882414.061 }, "end": { "local": "1915-03-31T13:37:21+08:00", "utc": "1915-03-31T05:37:21Z", "ms": -1727979759141.94 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-03-30", "window": { "start": { "local": "1915-03-30T11:43:54+08:00", "utc": "1915-03-30T03:43:54Z", "ms": -1728072965611.5488 }, "end": { "local": "1915-03-30T12:31:54+08:00", "utc": "1915-03-30T04:31:54Z", "ms": -1728070085611.5488 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-03-31", "window": { "start": { "local": "1915-03-31T11:43:36+08:00", "utc": "1915-03-31T03:43:36Z", "ms": -1727986583966.3838 }, "end": { "local": "1915-03-31T12:31:36+08:00", "utc": "1915-03-31T04:31:36Z", "ms": -1727983703966.3838 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:29 on Tue 30 Mar to 13:37 on Wed 31 Mar.", "fact": "1915-03-30T08:28:38Z → 1915-03-31T05:37:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 30th, 11:44–12:32 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3945 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Fuzhou, 1915: Wednesday 31 March.", "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": "1915-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-03-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Caitrī Pūrṇimā 1915 falls on Wednesday 31 March. Pūrṇimā runs from 16:29 on Tue 30 Mar to 13:37 on Wed 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/sankashta-chaturthi?on=1915-04-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8897, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-04-03T03:40:14+08:00", "utc": "1915-04-02T19:40:14Z", "ms": -1727756386474.744 }, "end": { "local": "1915-04-04T00:26:33+08:00", "utc": "1915-04-03T16:26:33Z", "ms": -1727681606582.2551 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-04-03T03:40:14+08:00", "utc": "1915-04-02T19:40:14Z", "ms": -1727756386474.744 }, "end": { "local": "1915-04-04T00:26:33+08:00", "utc": "1915-04-03T16:26:33Z", "ms": -1727681606582.2551 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-04-02", "window": { "start": { "local": "1915-04-02T20:47:18+08:00", "utc": "1915-04-02T12:47:18Z", "ms": -1727781162409.2864 }, "end": { "local": "1915-04-02T20:47:18+08:00", "utc": "1915-04-02T12:47:18Z", "ms": -1727781162409.2864 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-04-03", "window": { "start": { "local": "1915-04-03T21:58:16+08:00", "utc": "1915-04-03T13:58:16Z", "ms": -1727690503841.1394 }, "end": { "local": "1915-04-03T21:58:16+08:00", "utc": "1915-04-03T13:58:16Z", "ms": -1727690503841.1394 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:40 on Sat 3 Apr to 00:27 on Sun 4 Apr.", "fact": "1915-04-02T19:40:14Z → 1915-04-03T16:26:33Z" }, { "step": "kaala", "text": "Moonrise is at 20:47 on the 2nd and 21:58 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8897 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1915: Saturday 3 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": "1915-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-04-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1915 falls on Saturday 3 April. Caturthī runs from 03:40 on Sat 3 Apr to 00:27 on Sun 4 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-04-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/ekadashi?on=1915-04-10", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30969, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-04-09T14:23:35+08:00", "utc": "1915-04-09T06:23:35Z", "ms": -1727199385499.701 }, "end": { "local": "1915-04-10T14:36:44+08:00", "utc": "1915-04-10T06:36:44Z", "ms": -1727112196323.3818 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-04-09T14:23:35+08:00", "utc": "1915-04-09T06:23:35Z", "ms": -1727199385499.701 }, "end": { "local": "1915-04-10T14:36:44+08:00", "utc": "1915-04-10T06:36:44Z", "ms": -1727112196323.3818 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-04-09", "window": { "start": { "local": "1915-04-09T05:47:26+08:00", "utc": "1915-04-08T21:47:26Z", "ms": -1727230354447.5596 }, "end": { "local": "1915-04-09T05:47:26+08:00", "utc": "1915-04-08T21:47:26Z", "ms": -1727230354447.5596 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-04-10", "window": { "start": { "local": "1915-04-10T05:46:24+08:00", "utc": "1915-04-09T21:46:24Z", "ms": -1727144016088.1216 }, "end": { "local": "1915-04-10T05:46:24+08:00", "utc": "1915-04-09T21:46:24Z", "ms": -1727144016088.1216 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:24 on Fri 9 Apr to 14:37 on Sat 10 Apr.", "fact": "1915-04-09T06:23:35Z → 1915-04-10T06:36:44Z" }, { "step": "kaala", "text": "Sunrise is at 05:47 on the 9th and 05:46 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30969 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Fuzhou, 1915: Saturday 10 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": "1915-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-04-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Varūthinī Ekādaśī 1915 falls on Saturday 10 April. Ekādaśī runs from 14:24 on Fri 9 Apr to 14:37 on Sat 10 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-04-10", "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/1915/pradosha-vrata?on=1915-04-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7251, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-04-11T15:17:41+08:00", "utc": "1915-04-11T07:17:41Z", "ms": -1727023339368.4097 }, "end": { "local": "1915-04-12T16:23:01+08:00", "utc": "1915-04-12T08:23:01Z", "ms": -1726933019248.0535 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-04-11T15:17:41+08:00", "utc": "1915-04-11T07:17:41Z", "ms": -1727023339368.4097 }, "end": { "local": "1915-04-12T16:23:01+08:00", "utc": "1915-04-12T08:23:01Z", "ms": -1726933019248.0535 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-04-11", "window": { "start": { "local": "1915-04-11T18:23:24+08:00", "utc": "1915-04-11T10:23:24Z", "ms": -1727012196212.6865 }, "end": { "local": "1915-04-11T19:54:12+08:00", "utc": "1915-04-11T11:54:12Z", "ms": -1727006748465.0005 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "1915-04-12", "window": { "start": { "local": "1915-04-12T18:23:52+08:00", "utc": "1915-04-12T10:23:52Z", "ms": -1726925767812.209 }, "end": { "local": "1915-04-12T19:54:28+08:00", "utc": "1915-04-12T11:54:28Z", "ms": -1726920331895.1155 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:18 on Sun 11 Apr to 16:23 on Mon 12 Apr.", "fact": "1915-04-11T07:17:41Z → 1915-04-12T08:23:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–19:54 on the 11th, 18:24–19:54 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 11th and 0 of 91 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7251 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1915: Sunday 11 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": "1915-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-04-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1915 falls on Sunday 11 April. Trayodaśī runs from 15:18 on Sun 11 Apr to 16:23 on Mon 12 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-04-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/shivaratri?on=1915-04-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20976, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-04-12T16:23:01+08:00", "utc": "1915-04-12T08:23:01Z", "ms": -1726933019248.0535 }, "end": { "local": "1915-04-13T17:49:45+08:00", "utc": "1915-04-13T09:49:45Z", "ms": -1726841415033.8733 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-04-12T16:23:01+08:00", "utc": "1915-04-12T08:23:01Z", "ms": -1726933019248.0535 }, "end": { "local": "1915-04-13T17:49:45+08:00", "utc": "1915-04-13T09:49:45Z", "ms": -1726841415033.8733 } }, "kaala": "nishita", "days": [ { "local_date": "1915-04-12", "window": { "start": { "local": "1915-04-12T23:39:37+08:00", "utc": "1915-04-12T15:39:37Z", "ms": -1726906823123.108 }, "end": { "local": "1915-04-13T00:27:37+08:00", "utc": "1915-04-12T16:27:37Z", "ms": -1726903943123.108 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-04-13", "window": { "start": { "local": "1915-04-13T23:39:21+08:00", "utc": "1915-04-13T15:39:21Z", "ms": -1726820438784.5386 }, "end": { "local": "1915-04-14T00:27:21+08:00", "utc": "1915-04-13T16:27:21Z", "ms": -1726817558784.5386 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:23 on Mon 12 Apr to 17:50 on Tue 13 Apr.", "fact": "1915-04-12T08:23:01Z → 1915-04-13T09:49:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 12th, 23:39–00:27 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20976 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1915: Monday 12 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": "1915-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-04-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1915 falls on Monday 12 April. Caturdaśī runs from 16:23 on Mon 12 Apr to 17:50 on Tue 13 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1915/shivaratri?on=1915-04-12", "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/1915/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17839, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1915-04-14T00:45:03+08:00", "utc": "1915-04-13T16:45:03Z", "ms": -1726816497358.6355 }, "end": { "local": "1915-05-14T21:42:54+08:00", "utc": "1915-05-14T13:42:54Z", "ms": -1724149026324.0933 } }, "span": { "of": "transit", "start": { "local": "1915-04-14T00:45:03+08:00", "utc": "1915-04-13T16:45:03Z", "ms": -1726816497358.6355 }, "end": { "local": "1915-04-14T00:45:03+08:00", "utc": "1915-04-13T16:45:03Z", "ms": -1726816497358.6355 } }, "kaala": "day", "days": [ { "local_date": "1915-04-13", "window": { "start": { "local": "1915-04-13T05:43:22+08:00", "utc": "1915-04-12T21:43:22Z", "ms": -1726884998434.0068 }, "end": { "local": "1915-04-14T05:42:22+08:00", "utc": "1915-04-13T21:42:22Z", "ms": -1726798658279.0828 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1915-04-14", "window": { "start": { "local": "1915-04-14T05:42:22+08:00", "utc": "1915-04-13T21:42:22Z", "ms": -1726798658279.0828 }, "end": { "local": "1915-04-15T05:41:22+08:00", "utc": "1915-04-14T21:41:22Z", "ms": -1726712317617.4644 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 00:45 on Wed 14 Apr.", "fact": "1915-04-13T16:45:03Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:43 on the 13th, and from 05:42 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 17839 s" }, { "step": "ruling", "text": "Vaiśākhī, Fuzhou, 1915: Tuesday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1915-04-14", "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": "1915-04-14", "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 1915 falls on Tuesday 13 April. The Sun enters Meṣa at 00:45 on Wed 14 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vinayaka-chaturthi?on=1915-04-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24571, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-04-18T02:19:39+08:00", "utc": "1915-04-17T18:19:39Z", "ms": -1726465220629.5007 }, "end": { "local": "1915-04-19T04:48:51+08:00", "utc": "1915-04-18T20:48:51Z", "ms": -1726369868614.0925 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-04-18T02:19:39+08:00", "utc": "1915-04-17T18:19:39Z", "ms": -1726465220629.5007 }, "end": { "local": "1915-04-19T04:48:51+08:00", "utc": "1915-04-18T20:48:51Z", "ms": -1726369868614.0925 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-04-18", "window": { "start": { "local": "1915-04-18T11:38:36+08:00", "utc": "1915-04-18T03:38:36Z", "ms": -1726431683552.6416 }, "end": { "local": "1915-04-18T12:26:36+08:00", "utc": "1915-04-18T04:26:36Z", "ms": -1726428803552.6416 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-04-19", "window": { "start": { "local": "1915-04-19T11:38:23+08:00", "utc": "1915-04-19T03:38:23Z", "ms": -1726345297438.474 }, "end": { "local": "1915-04-19T12:26:23+08:00", "utc": "1915-04-19T04:26:23Z", "ms": -1726342417438.474 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:20 on Sun 18 Apr to 04:49 on Mon 19 Apr.", "fact": "1915-04-17T18:19:39Z → 1915-04-18T20:48:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 18th, 11:38–12:26 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24571 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1915: Sunday 18 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": "1915-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-04-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1915 falls on Sunday 18 April. Caturthī runs from 02:20 on Sun 18 Apr to 04:49 on Mon 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/vinayaka-chaturthi?on=1915-04-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/ekadashi?on=1915-04-26", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17601, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-04-25T11:48:20+08:00", "utc": "1915-04-25T03:48:20Z", "ms": -1725826299906.9688 }, "end": { "local": "1915-04-26T10:24:31+08:00", "utc": "1915-04-26T02:24:31Z", "ms": -1725744929117.6853 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-04-25T11:48:20+08:00", "utc": "1915-04-25T03:48:20Z", "ms": -1725826299906.9688 }, "end": { "local": "1915-04-26T10:24:31+08:00", "utc": "1915-04-26T02:24:31Z", "ms": -1725744929117.6853 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-04-25", "window": { "start": { "local": "1915-04-25T05:32:02+08:00", "utc": "1915-04-24T21:32:02Z", "ms": -1725848878163.5808 }, "end": { "local": "1915-04-25T05:32:02+08:00", "utc": "1915-04-24T21:32:02Z", "ms": -1725848878163.5808 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-04-26", "window": { "start": { "local": "1915-04-26T05:31:10+08:00", "utc": "1915-04-25T21:31:10Z", "ms": -1725762530433.5444 }, "end": { "local": "1915-04-26T05:31:10+08:00", "utc": "1915-04-25T21:31:10Z", "ms": -1725762530433.5444 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:48 on Sun 25 Apr to 10:25 on Mon 26 Apr.", "fact": "1915-04-25T03:48:20Z → 1915-04-26T02:24:31Z" }, { "step": "kaala", "text": "Sunrise is at 05:32 on the 25th and 05:31 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17601 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Fuzhou, 1915: Monday 26 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-04-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Ekādaśī 1915 falls on Monday 26 April. Ekādaśī runs from 11:48 on Sun 25 Apr to 10:25 on Mon 26 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-04-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/pradosha-vrata?on=1915-04-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33848, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-04-27T08:13:51+08:00", "utc": "1915-04-27T00:13:51Z", "ms": -1725666368688.0835 }, "end": { "local": "1915-04-28T05:23:08+08:00", "utc": "1915-04-27T21:23:08Z", "ms": -1725590211673.3228 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-04-27T08:13:51+08:00", "utc": "1915-04-27T00:13:51Z", "ms": -1725666368688.0835 }, "end": { "local": "1915-04-28T05:23:08+08:00", "utc": "1915-04-27T21:23:08Z", "ms": -1725590211673.3228 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-04-26", "window": { "start": { "local": "1915-04-26T18:30:44+08:00", "utc": "1915-04-26T10:30:44Z", "ms": -1725715756319.2568 }, "end": { "local": "1915-04-26T19:58:40+08:00", "utc": "1915-04-26T11:58:40Z", "ms": -1725710479732.9456 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "1915-04-27", "window": { "start": { "local": "1915-04-27T18:31:14+08:00", "utc": "1915-04-27T10:31:14Z", "ms": -1725629325879.4238 }, "end": { "local": "1915-04-27T19:59:00+08:00", "utc": "1915-04-27T11:59:00Z", "ms": -1725624060109.3945 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:14 on Tue 27 Apr to 05:23 on Wed 28 Apr.", "fact": "1915-04-27T00:13:51Z → 1915-04-27T21:23:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–19:59 on the 26th, 18:31–19:59 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 26th and 88 of 88 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33848 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1915: Tuesday 27 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": "1915-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-04-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1915 falls on Tuesday 27 April. Trayodaśī runs from 08:14 on Tue 27 Apr to 05:23 on Wed 28 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-05-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35435, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-05-02T11:01:17+08:00", "utc": "1915-05-02T03:01:17Z", "ms": -1725224323254.7668 }, "end": { "local": "1915-05-03T07:48:01+08:00", "utc": "1915-05-02T23:48:01Z", "ms": -1725149518769.2856 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-02T11:01:17+08:00", "utc": "1915-05-02T03:01:17Z", "ms": -1725224323254.7668 }, "end": { "local": "1915-05-03T07:48:01+08:00", "utc": "1915-05-02T23:48:01Z", "ms": -1725149518769.2856 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-05-01", "window": { "start": { "local": "1915-05-01T20:48:17+08:00", "utc": "1915-05-01T12:48:17Z", "ms": -1725275503238.245 }, "end": { "local": "1915-05-01T20:48:17+08:00", "utc": "1915-05-01T12:48:17Z", "ms": -1725275503238.245 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-05-02", "window": { "start": { "local": "1915-05-02T21:57:27+08:00", "utc": "1915-05-02T13:57:27Z", "ms": -1725184953473.6965 }, "end": { "local": "1915-05-02T21:57:27+08:00", "utc": "1915-05-02T13:57:27Z", "ms": -1725184953473.6965 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:01 on Sun 2 May to 07:48 on Mon 3 May.", "fact": "1915-05-02T03:01:17Z → 1915-05-02T23:48:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:48 on the 1st and 21:57 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35435 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1915: Sunday 2 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": "1915-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1915 falls on Sunday 2 May. Caturthī runs from 11:01 on Sun 2 May to 07:48 on Mon 3 May and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-05-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/ekadashi?on=1915-05-09", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7337, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-05-09T02:02:02+08:00", "utc": "1915-05-08T18:02:02Z", "ms": -1724651877887.102 }, "end": { "local": "1915-05-10T03:18:14+08:00", "utc": "1915-05-09T19:18:14Z", "ms": -1724560905565.0105 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-09T02:02:02+08:00", "utc": "1915-05-08T18:02:02Z", "ms": -1724651877887.102 }, "end": { "local": "1915-05-10T03:18:14+08:00", "utc": "1915-05-09T19:18:14Z", "ms": -1724560905565.0105 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-05-09", "window": { "start": { "local": "1915-05-09T05:21:10+08:00", "utc": "1915-05-08T21:21:10Z", "ms": -1724639929824.5938 }, "end": { "local": "1915-05-09T05:21:10+08:00", "utc": "1915-05-08T21:21:10Z", "ms": -1724639929824.5938 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-05-10", "window": { "start": { "local": "1915-05-10T05:20:31+08:00", "utc": "1915-05-09T21:20:31Z", "ms": -1724553568958.3293 }, "end": { "local": "1915-05-10T05:20:31+08:00", "utc": "1915-05-09T21:20:31Z", "ms": -1724553568958.3293 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:02 on Sun 9 May to 03:18 on Mon 10 May.", "fact": "1915-05-08T18:02:02Z → 1915-05-09T19:18:14Z" }, { "step": "kaala", "text": "Sunrise is at 05:21 on the 9th and 05:21 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7337 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Fuzhou, 1915: Sunday 9 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": "1915-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Ekādaśī 1915 falls on Sunday 9 May. Ekādaśī runs from 02:02 on Sun 9 May to 03:18 on Mon 10 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-05-09", "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/1915/pradosha-vrata?on=1915-05-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32127, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-05-11T04:59:04+08:00", "utc": "1915-05-10T20:59:04Z", "ms": -1724468455542.1838 }, "end": { "local": "1915-05-12T06:58:10+08:00", "utc": "1915-05-11T22:58:10Z", "ms": -1724374909839.0415 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-11T04:59:04+08:00", "utc": "1915-05-10T20:59:04Z", "ms": -1724468455542.1838 }, "end": { "local": "1915-05-12T06:58:10+08:00", "utc": "1915-05-11T22:58:10Z", "ms": -1724374909839.0415 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-05-10", "window": { "start": { "local": "1915-05-10T18:38:03+08:00", "utc": "1915-05-10T10:38:03Z", "ms": -1724505716808.636 }, "end": { "local": "1915-05-10T20:03:38+08:00", "utc": "1915-05-10T12:03:38Z", "ms": -1724500582167.4832 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "1915-05-11", "window": { "start": { "local": "1915-05-11T18:38:35+08:00", "utc": "1915-05-11T10:38:35Z", "ms": -1724419284521.0283 }, "end": { "local": "1915-05-11T20:04:01+08:00", "utc": "1915-05-11T12:04:01Z", "ms": -1724414159109.5671 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:59 on Tue 11 May to 06:58 on Wed 12 May.", "fact": "1915-05-10T20:59:04Z → 1915-05-11T22:58:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:04 on the 10th, 18:39–20:04 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 10th and 85 of 85 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32127 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1915: Tuesday 11 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": "1915-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1915 falls on Tuesday 11 May. Trayodaśī runs from 04:59 on Tue 11 May to 06:58 on Wed 12 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-05-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/shivaratri?on=1915-05-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23714, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-05-12T06:58:10+08:00", "utc": "1915-05-11T22:58:10Z", "ms": -1724374909839.0415 }, "end": { "local": "1915-05-13T09:10:09+08:00", "utc": "1915-05-13T01:10:09Z", "ms": -1724280590559.503 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-12T06:58:10+08:00", "utc": "1915-05-11T22:58:10Z", "ms": -1724374909839.0415 }, "end": { "local": "1915-05-13T09:10:09+08:00", "utc": "1915-05-13T01:10:09Z", "ms": -1724280590559.503 } }, "kaala": "nishita", "days": [ { "local_date": "1915-05-11", "window": { "start": { "local": "1915-05-11T23:34:56+08:00", "utc": "1915-05-11T15:34:56Z", "ms": -1724401504228.0493 }, "end": { "local": "1915-05-12T00:22:56+08:00", "utc": "1915-05-11T16:22:56Z", "ms": -1724398624228.0493 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-05-12", "window": { "start": { "local": "1915-05-12T23:34:54+08:00", "utc": "1915-05-12T15:34:54Z", "ms": -1724315105965.4424 }, "end": { "local": "1915-05-13T00:22:54+08:00", "utc": "1915-05-12T16:22:54Z", "ms": -1724312225965.4424 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:58 on Wed 12 May to 09:10 on Thu 13 May.", "fact": "1915-05-11T22:58:10Z → 1915-05-13T01:10:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 11th, 23:35–00:23 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23714 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1915: Wednesday 12 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": "1915-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1915 falls on Wednesday 12 May. Caturdaśī runs from 06:58 on Wed 12 May to 09:10 on Thu 13 May and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1915/shivaratri?on=1915-05-12", "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/1915/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23784, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1915-05-16T16:21:29+08:00", "utc": "1915-05-16T08:21:29Z", "ms": -1723995510863.7483 }, "end": { "local": "1915-05-17T18:42:24+08:00", "utc": "1915-05-17T10:42:24Z", "ms": -1723900656299.0562 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-16T16:21:29+08:00", "utc": "1915-05-16T08:21:29Z", "ms": -1723995510863.7483 }, "end": { "local": "1915-05-17T18:42:24+08:00", "utc": "1915-05-17T10:42:24Z", "ms": -1723900656299.0562 } }, "kaala": "purvahna", "days": [ { "local_date": "1915-05-16", "window": { "start": { "local": "1915-05-16T05:17:00+08:00", "utc": "1915-05-15T21:17:00Z", "ms": -1724035380352.1475 }, "end": { "local": "1915-05-16T09:45:06+08:00", "utc": "1915-05-16T01:45:06Z", "ms": -1724019294461.8484 } }, "covered_min": 0, "window_min": 268, "qualifies": false }, { "local_date": "1915-05-17", "window": { "start": { "local": "1915-05-17T05:16:28+08:00", "utc": "1915-05-16T21:16:28Z", "ms": -1723949011568.4277 }, "end": { "local": "1915-05-17T09:44:55+08:00", "utc": "1915-05-17T01:44:55Z", "ms": -1723932904504.5645 } }, "covered_min": 268, "window_min": 268, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:21 on Sun 16 May to 18:42 on Mon 17 May.", "fact": "1915-05-16T08:21:29Z → 1915-05-17T10:42:24Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:17–09:45 on the 16th, 05:16–09:45 on the 17th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 268 minutes on the 16th and 268 of 268 on the 17th.", "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 23784 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Fuzhou, 1915: Monday 17 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Akṣaya Tṛtīyā 1915 falls on Monday 17 May. Tṛtīyā runs from 16:21 on Sun 16 May to 18:42 on Mon 17 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-17", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 34, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1915-05-16T16:21:29+08:00", "utc": "1915-05-16T08:21:29Z", "ms": -1723995510863.7483 }, "end": { "local": "1915-05-17T18:42:24+08:00", "utc": "1915-05-17T10:42:24Z", "ms": -1723900656299.0562 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-16T16:21:29+08:00", "utc": "1915-05-16T08:21:29Z", "ms": -1723995510863.7483 }, "end": { "local": "1915-05-17T18:42:24+08:00", "utc": "1915-05-17T10:42:24Z", "ms": -1723900656299.0562 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-05-16", "window": { "start": { "local": "1915-05-16T18:41:17+08:00", "utc": "1915-05-16T10:41:17Z", "ms": -1723987122681.2502 }, "end": { "local": "1915-05-16T20:05:59+08:00", "utc": "1915-05-16T12:05:59Z", "ms": -1723982041199.5405 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "1915-05-17", "window": { "start": { "local": "1915-05-17T18:41:50+08:00", "utc": "1915-05-17T10:41:50Z", "ms": -1723900690376.8376 }, "end": { "local": "1915-05-17T20:06:23+08:00", "utc": "1915-05-17T12:06:23Z", "ms": -1723895617207.8164 } }, "covered_min": 1, "window_min": 85, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:21 on Sun 16 May to 18:42 on Mon 17 May.", "fact": "1915-05-16T08:21:29Z → 1915-05-17T10:42:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:06 on the 16th, 18:42–20:06 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 85 of 85 minutes on the 16th and 1 of 85 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both evenings qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 34 s < 300 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Fuzhou, 1915: Monday 17 May.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-05-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-17", "confidence": "boundary" } ], "quote": "In Fuzhou, Paraśurāma Jayantī 1915 falls on Monday 17 May. Tṛtīyā runs from 16:21 on Sun 16 May to 18:42 on Mon 17 May and covers 1 of 85 minutes of pradoṣa that evening. It also reaches the previous evening for 85 minutes; by the rule the second evening is taken. It is 0 min 34 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vinayaka-chaturthi?on=1915-05-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22755, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-05-17T18:42:24+08:00", "utc": "1915-05-17T10:42:24Z", "ms": -1723900656299.0562 }, "end": { "local": "1915-05-18T20:51:45+08:00", "utc": "1915-05-18T12:51:45Z", "ms": -1723806495433.9888 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-17T18:42:24+08:00", "utc": "1915-05-17T10:42:24Z", "ms": -1723900656299.0562 }, "end": { "local": "1915-05-18T20:51:45+08:00", "utc": "1915-05-18T12:51:45Z", "ms": -1723806495433.9888 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-05-17", "window": { "start": { "local": "1915-05-17T11:35:09+08:00", "utc": "1915-05-17T03:35:09Z", "ms": -1723926290972.6328 }, "end": { "local": "1915-05-17T12:23:09+08:00", "utc": "1915-05-17T04:23:09Z", "ms": -1723923410972.6328 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-05-18", "window": { "start": { "local": "1915-05-18T11:35:10+08:00", "utc": "1915-05-18T03:35:10Z", "ms": -1723839889877.3525 }, "end": { "local": "1915-05-18T12:23:10+08:00", "utc": "1915-05-18T04:23:10Z", "ms": -1723837009877.3525 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:42 on Mon 17 May to 20:52 on Tue 18 May.", "fact": "1915-05-17T10:42:24Z → 1915-05-18T12:51:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 17th, 11:35–12:23 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "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 22755 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1915: Tuesday 18 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": "1915-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1915 falls on Tuesday 18 May. Caturthī runs from 18:42 on Mon 17 May to 20:52 on Tue 18 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/vinayaka-chaturthi?on=1915-05-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30514, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1915-05-18T20:51:45+08:00", "utc": "1915-05-18T12:51:45Z", "ms": -1723806495433.9888 }, "end": { "local": "1915-05-19T22:41:12+08:00", "utc": "1915-05-19T14:41:12Z", "ms": -1723713528125.599 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-18T20:51:45+08:00", "utc": "1915-05-18T12:51:45Z", "ms": -1723806495433.9888 }, "end": { "local": "1915-05-19T22:41:12+08:00", "utc": "1915-05-19T14:41:12Z", "ms": -1723713528125.599 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-05-18", "window": { "start": { "local": "1915-05-18T11:35:10+08:00", "utc": "1915-05-18T03:35:10Z", "ms": -1723839889877.3525 }, "end": { "local": "1915-05-18T12:23:10+08:00", "utc": "1915-05-18T04:23:10Z", "ms": -1723837009877.3525 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-05-19", "window": { "start": { "local": "1915-05-19T11:35:12+08:00", "utc": "1915-05-19T03:35:12Z", "ms": -1723753488238.1128 }, "end": { "local": "1915-05-19T12:23:12+08:00", "utc": "1915-05-19T04:23:12Z", "ms": -1723750608238.1128 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:52 on Tue 18 May to 22:41 on Wed 19 May.", "fact": "1915-05-18T12:51:45Z → 1915-05-19T14:41:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 18th, 11:35–12:23 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30514 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Fuzhou, 1915: Wednesday 19 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Śaṅkara Jayantī 1915 falls on Wednesday 19 May. Pañcamī runs from 20:52 on Tue 18 May to 22:41 on Wed 19 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39055, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1915-05-21T00:01:38+08:00", "utc": "1915-05-20T16:01:38Z", "ms": -1723622301637.8257 }, "end": { "local": "1915-05-22T00:44:25+08:00", "utc": "1915-05-21T16:44:25Z", "ms": -1723533335057.5144 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-21T00:01:38+08:00", "utc": "1915-05-20T16:01:38Z", "ms": -1723622301637.8257 }, "end": { "local": "1915-05-22T00:44:25+08:00", "utc": "1915-05-21T16:44:25Z", "ms": -1723533335057.5144 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-05-21", "window": { "start": { "local": "1915-05-21T11:35:17+08:00", "utc": "1915-05-21T03:35:17Z", "ms": -1723580683359.135 }, "end": { "local": "1915-05-21T12:23:17+08:00", "utc": "1915-05-21T04:23:17Z", "ms": -1723577803359.135 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-05-22", "window": { "start": { "local": "1915-05-22T11:35:20+08:00", "utc": "1915-05-22T03:35:20Z", "ms": -1723494280135.9404 }, "end": { "local": "1915-05-22T12:23:20+08:00", "utc": "1915-05-22T04:23:20Z", "ms": -1723491400135.9404 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:02 on Fri 21 May to 00:44 on Sat 22 May.", "fact": "1915-05-20T16:01:38Z → 1915-05-21T16:44:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 21st, 11:35–12:23 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 39055 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Fuzhou, 1915: Friday 21 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": "1915-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṅgotpatti (Ganga Saptami) 1915 falls on Friday 21 May. Saptamī runs from 00:02 on Fri 21 May to 00:44 on Sat 22 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-05-25", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25080, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-05-24T22:15:02+08:00", "utc": "1915-05-24T14:15:02Z", "ms": -1723283098059.5398 }, "end": { "local": "1915-05-25T19:52:17+08:00", "utc": "1915-05-25T11:52:17Z", "ms": -1723205262508.5078 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-24T22:15:02+08:00", "utc": "1915-05-24T14:15:02Z", "ms": -1723283098059.5398 }, "end": { "local": "1915-05-25T19:52:17+08:00", "utc": "1915-05-25T11:52:17Z", "ms": -1723205262508.5078 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-05-25", "window": { "start": { "local": "1915-05-25T05:13:02+08:00", "utc": "1915-05-24T21:13:02Z", "ms": -1723258018281.021 }, "end": { "local": "1915-05-25T05:13:02+08:00", "utc": "1915-05-24T21:13:02Z", "ms": -1723258018281.021 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-05-26", "window": { "start": { "local": "1915-05-26T05:12:41+08:00", "utc": "1915-05-25T21:12:41Z", "ms": -1723171638629.864 }, "end": { "local": "1915-05-26T05:12:41+08:00", "utc": "1915-05-25T21:12:41Z", "ms": -1723171638629.864 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:15 on Mon 24 May to 19:52 on Tue 25 May.", "fact": "1915-05-24T14:15:02Z → 1915-05-25T11:52:17Z" }, { "step": "kaala", "text": "Sunrise is at 05:13 on the 25th and 05:13 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25080 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Fuzhou, 1915: Tuesday 25 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": "1915-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Mohinī Ekādaśī 1915 falls on Tuesday 25 May. Ekādaśī runs from 22:15 on Mon 24 May to 19:52 on Tue 25 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-05-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16057, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1915-05-25T19:52:17+08:00", "utc": "1915-05-25T11:52:17Z", "ms": -1723205262508.5078 }, "end": { "local": "1915-05-26T16:51:15+08:00", "utc": "1915-05-26T08:51:15Z", "ms": -1723129725132.4775 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-25T19:52:17+08:00", "utc": "1915-05-25T11:52:17Z", "ms": -1723205262508.5078 }, "end": { "local": "1915-05-26T16:51:15+08:00", "utc": "1915-05-26T08:51:15Z", "ms": -1723129725132.4775 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-05-25", "window": { "start": { "local": "1915-05-25T11:35:33+08:00", "utc": "1915-05-25T03:35:33Z", "ms": -1723235067432.6812 }, "end": { "local": "1915-05-25T12:23:33+08:00", "utc": "1915-05-25T04:23:33Z", "ms": -1723232187432.6812 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-05-26", "window": { "start": { "local": "1915-05-26T11:35:38+08:00", "utc": "1915-05-26T03:35:38Z", "ms": -1723148662213.8345 }, "end": { "local": "1915-05-26T12:23:38+08:00", "utc": "1915-05-26T04:23:38Z", "ms": -1723145782213.8345 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:52 on Tue 25 May to 16:51 on Wed 26 May.", "fact": "1915-05-25T11:52:17Z → 1915-05-26T08:51:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 25th, 11:36–12:24 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16057 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Fuzhou, 1915: Wednesday 26 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Paraśurāma Dvādaśī 1915 falls on Wednesday 26 May. Dvādaśī runs from 19:52 on Tue 25 May to 16:51 on Wed 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16057, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1915-05-25T19:52:17+08:00", "utc": "1915-05-25T11:52:17Z", "ms": -1723205262508.5078 }, "end": { "local": "1915-05-26T16:51:15+08:00", "utc": "1915-05-26T08:51:15Z", "ms": -1723129725132.4775 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-25T19:52:17+08:00", "utc": "1915-05-25T11:52:17Z", "ms": -1723205262508.5078 }, "end": { "local": "1915-05-26T16:51:15+08:00", "utc": "1915-05-26T08:51:15Z", "ms": -1723129725132.4775 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-05-25", "window": { "start": { "local": "1915-05-25T11:35:33+08:00", "utc": "1915-05-25T03:35:33Z", "ms": -1723235067432.6812 }, "end": { "local": "1915-05-25T12:23:33+08:00", "utc": "1915-05-25T04:23:33Z", "ms": -1723232187432.6812 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-05-26", "window": { "start": { "local": "1915-05-26T11:35:38+08:00", "utc": "1915-05-26T03:35:38Z", "ms": -1723148662213.8345 }, "end": { "local": "1915-05-26T12:23:38+08:00", "utc": "1915-05-26T04:23:38Z", "ms": -1723145782213.8345 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:52 on Tue 25 May to 16:51 on Wed 26 May.", "fact": "1915-05-25T11:52:17Z → 1915-05-26T08:51:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 25th, 11:36–12:24 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16057 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Fuzhou, 1915: Wednesday 26 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Rukmiṇī Dvādaśī 1915 falls on Wednesday 26 May. Dvādaśī runs from 19:52 on Tue 25 May to 16:51 on Wed 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/pradosha-vrata?on=1915-05-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6919, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-05-26T16:51:15+08:00", "utc": "1915-05-26T08:51:15Z", "ms": -1723129725132.4775 }, "end": { "local": "1915-05-27T13:20:38+08:00", "utc": "1915-05-27T05:20:38Z", "ms": -1723055962169.9675 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-26T16:51:15+08:00", "utc": "1915-05-26T08:51:15Z", "ms": -1723129725132.4775 }, "end": { "local": "1915-05-27T13:20:38+08:00", "utc": "1915-05-27T05:20:38Z", "ms": -1723055962169.9675 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-05-26", "window": { "start": { "local": "1915-05-26T18:46:34+08:00", "utc": "1915-05-26T10:46:34Z", "ms": -1723122805797.805 }, "end": { "local": "1915-05-26T20:10:01+08:00", "utc": "1915-05-26T12:10:01Z", "ms": -1723117799389.5266 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "1915-05-27", "window": { "start": { "local": "1915-05-27T18:47:05+08:00", "utc": "1915-05-27T10:47:05Z", "ms": -1723036375294.4424 }, "end": { "local": "1915-05-27T20:10:25+08:00", "utc": "1915-05-27T12:10:25Z", "ms": -1723031375334.1028 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:51 on Wed 26 May to 13:21 on Thu 27 May.", "fact": "1915-05-26T08:51:15Z → 1915-05-27T05:20:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:10 on the 26th, 18:47–20:10 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 26th and 0 of 83 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6919 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1915: Wednesday 26 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": "1915-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1915 falls on Wednesday 26 May. Trayodaśī runs from 16:51 on Wed 26 May to 13:21 on Thu 27 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19587, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-05-27T13:20:38+08:00", "utc": "1915-05-27T05:20:38Z", "ms": -1723055962169.9675 }, "end": { "local": "1915-05-28T09:30:41+08:00", "utc": "1915-05-28T01:30:41Z", "ms": -1722983358622.3042 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-27T13:20:38+08:00", "utc": "1915-05-27T05:20:38Z", "ms": -1723055962169.9675 }, "end": { "local": "1915-05-28T09:30:41+08:00", "utc": "1915-05-28T01:30:41Z", "ms": -1722983358622.3042 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-05-27", "window": { "start": { "local": "1915-05-27T18:47:05+08:00", "utc": "1915-05-27T10:47:05Z", "ms": -1723036375294.4424 }, "end": { "local": "1915-05-27T20:10:25+08:00", "utc": "1915-05-27T12:10:25Z", "ms": -1723031375334.1028 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "1915-05-28", "window": { "start": { "local": "1915-05-28T18:47:35+08:00", "utc": "1915-05-28T10:47:35Z", "ms": -1722949945094.636 }, "end": { "local": "1915-05-28T20:10:49+08:00", "utc": "1915-05-28T12:10:49Z", "ms": -1722944951374.2524 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:21 on Thu 27 May to 09:31 on Fri 28 May.", "fact": "1915-05-27T05:20:38Z → 1915-05-28T01:30:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:10 on the 27th, 18:48–20:11 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 27th and 0 of 83 on the 28th.", "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 19587 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Fuzhou, 1915: Thursday 27 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": "1915-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1915 falls on Thursday 27 May. Caturdaśī runs from 13:21 on Thu 27 May to 09:31 on Fri 28 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7508, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-05-28T09:30:41+08:00", "utc": "1915-05-28T01:30:41Z", "ms": -1722983358622.3042 }, "end": { "local": "1915-05-29T05:32:33+08:00", "utc": "1915-05-28T21:32:33Z", "ms": -1722911247454.8433 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-28T09:30:41+08:00", "utc": "1915-05-28T01:30:41Z", "ms": -1722983358622.3042 }, "end": { "local": "1915-05-29T05:32:33+08:00", "utc": "1915-05-28T21:32:33Z", "ms": -1722911247454.8433 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-05-28", "window": { "start": { "local": "1915-05-28T11:35:50+08:00", "utc": "1915-05-28T03:35:50Z", "ms": -1722975850343.2659 }, "end": { "local": "1915-05-28T12:23:50+08:00", "utc": "1915-05-28T04:23:50Z", "ms": -1722972970343.2659 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-05-29", "window": { "start": { "local": "1915-05-29T11:35:56+08:00", "utc": "1915-05-29T03:35:56Z", "ms": -1722889443705.276 }, "end": { "local": "1915-05-29T12:23:56+08:00", "utc": "1915-05-29T04:23:56Z", "ms": -1722886563705.276 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:31 on Fri 28 May to 05:33 on Sat 29 May.", "fact": "1915-05-28T01:30:41Z → 1915-05-28T21:32:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 28th, 11:36–12:24 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā 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 7508 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Fuzhou, 1915: Friday 28 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": "1915-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Buddha Pūrṇimā 1915 falls on Friday 28 May. Pūrṇimā runs from 09:31 on Fri 28 May to 05:33 on Sat 29 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7508, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-05-28T09:30:41+08:00", "utc": "1915-05-28T01:30:41Z", "ms": -1722983358622.3042 }, "end": { "local": "1915-05-29T05:32:33+08:00", "utc": "1915-05-28T21:32:33Z", "ms": -1722911247454.8433 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-28T09:30:41+08:00", "utc": "1915-05-28T01:30:41Z", "ms": -1722983358622.3042 }, "end": { "local": "1915-05-29T05:32:33+08:00", "utc": "1915-05-28T21:32:33Z", "ms": -1722911247454.8433 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-05-28", "window": { "start": { "local": "1915-05-28T11:35:50+08:00", "utc": "1915-05-28T03:35:50Z", "ms": -1722975850343.2659 }, "end": { "local": "1915-05-28T12:23:50+08:00", "utc": "1915-05-28T04:23:50Z", "ms": -1722972970343.2659 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-05-29", "window": { "start": { "local": "1915-05-29T11:35:56+08:00", "utc": "1915-05-29T03:35:56Z", "ms": -1722889443705.276 }, "end": { "local": "1915-05-29T12:23:56+08:00", "utc": "1915-05-29T04:23:56Z", "ms": -1722886563705.276 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:31 on Fri 28 May to 05:33 on Sat 29 May.", "fact": "1915-05-28T01:30:41Z → 1915-05-28T21:32:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 28th, 11:36–12:24 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā 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 7508 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Fuzhou, 1915: Friday 28 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": "1915-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Sampat Gaurī Vrata 1915 falls on Friday 28 May. Pūrṇimā runs from 09:31 on Fri 28 May to 05:33 on Sat 29 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/sankashta-chaturthi?on=1915-05-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10715, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-05-31T18:41:53+08:00", "utc": "1915-05-31T10:41:53Z", "ms": -1722691086842.5627 }, "end": { "local": "1915-06-01T16:01:01+08:00", "utc": "1915-06-01T08:01:01Z", "ms": -1722614338725.6057 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1915-05-31T18:41:53+08:00", "utc": "1915-05-31T10:41:53Z", "ms": -1722691086842.5627 }, "end": { "local": "1915-06-01T16:01:01+08:00", "utc": "1915-06-01T08:01:01Z", "ms": -1722614338725.6057 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-05-31", "window": { "start": { "local": "1915-05-31T21:40:28+08:00", "utc": "1915-05-31T13:40:28Z", "ms": -1722680372224.5627 }, "end": { "local": "1915-05-31T21:40:28+08:00", "utc": "1915-05-31T13:40:28Z", "ms": -1722680372224.5627 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-06-01", "window": { "start": { "local": "1915-06-01T22:30:04+08:00", "utc": "1915-06-01T14:30:04Z", "ms": -1722590996095.724 }, "end": { "local": "1915-06-01T22:30:04+08:00", "utc": "1915-06-01T14:30:04Z", "ms": -1722590996095.724 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:42 on Mon 31 May to 16:01 on Tue 1 Jun.", "fact": "1915-05-31T10:41:53Z → 1915-06-01T08:01:01Z" }, { "step": "kaala", "text": "Moonrise is at 21:40 on the 31st and 22:30 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10715 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1915: Monday 31 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": "1915-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-05-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1915 falls on Monday 31 May. Caturthī runs from 18:42 on Mon 31 May to 16:01 on Tue 1 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-05-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/ekadashi?on=1915-06-08", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37150, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-06-07T15:29:25+08:00", "utc": "1915-06-07T07:29:25Z", "ms": -1722097834737.6277 }, "end": { "local": "1915-06-08T17:30:49+08:00", "utc": "1915-06-08T09:30:49Z", "ms": -1722004151379.6438 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1915-06-07T15:29:25+08:00", "utc": "1915-06-07T07:29:25Z", "ms": -1722097834737.6277 }, "end": { "local": "1915-06-08T17:30:49+08:00", "utc": "1915-06-08T09:30:49Z", "ms": -1722004151379.6438 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-06-07", "window": { "start": { "local": "1915-06-07T05:10:16+08:00", "utc": "1915-06-06T21:10:16Z", "ms": -1722134984369.996 }, "end": { "local": "1915-06-07T05:10:16+08:00", "utc": "1915-06-06T21:10:16Z", "ms": -1722134984369.996 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-06-08", "window": { "start": { "local": "1915-06-08T05:10:12+08:00", "utc": "1915-06-07T21:10:12Z", "ms": -1722048588273.1094 }, "end": { "local": "1915-06-08T05:10:12+08:00", "utc": "1915-06-07T21:10:12Z", "ms": -1722048588273.1094 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:29 on Mon 7 Jun to 17:31 on Tue 8 Jun.", "fact": "1915-06-07T07:29:25Z → 1915-06-08T09:30:49Z" }, { "step": "kaala", "text": "Sunrise is at 05:10 on the 7th and 05:10 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37150 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Fuzhou, 1915: Tuesday 8 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": "1915-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-06-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Aparā Ekādaśī 1915 falls on Tuesday 8 June. Ekādaśī runs from 15:29 on Mon 7 Jun to 17:31 on Tue 8 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-06-08", "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/1915/pradosha-vrata?on=1915-06-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-06-10", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1673, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-06-09T19:47:28+08:00", "utc": "1915-06-09T11:47:28Z", "ms": -1721909551508.3762 }, "end": { "local": "1915-06-10T22:11:27+08:00", "utc": "1915-06-10T14:11:27Z", "ms": -1721814512698.559 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1915-06-09T19:47:28+08:00", "utc": "1915-06-09T11:47:28Z", "ms": -1721909551508.3762 }, "end": { "local": "1915-06-10T22:11:27+08:00", "utc": "1915-06-10T14:11:27Z", "ms": -1721814512698.559 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-06-09", "window": { "start": { "local": "1915-06-09T18:53:05+08:00", "utc": "1915-06-09T10:53:05Z", "ms": -1721912815041.9512 }, "end": { "local": "1915-06-09T20:15:21+08:00", "utc": "1915-06-09T12:15:21Z", "ms": -1721907878685.3396 } }, "covered_min": 28, "window_min": 82, "qualifies": true }, { "local_date": "1915-06-10", "window": { "start": { "local": "1915-06-10T18:53:29+08:00", "utc": "1915-06-10T10:53:29Z", "ms": -1721826391094.7183 }, "end": { "local": "1915-06-10T20:15:42+08:00", "utc": "1915-06-10T12:15:42Z", "ms": -1721821457960.1477 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:47 on Wed 9 Jun to 22:11 on Thu 10 Jun.", "fact": "1915-06-09T11:47:28Z → 1915-06-10T14:11:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:15 on the 9th, 18:53–20:16 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 28 of 82 minutes on the 9th and 82 of 82 on the 10th.", "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 1673 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1915: Thursday 10 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": "1915-06-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-06-10", "confidence": "boundary" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1915 falls on Thursday 10 June. Trayodaśī runs from 19:47 on Wed 9 Jun to 22:11 on Thu 10 Jun and covers all of pradoṣa that evening. It also reaches the previous evening for 28 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/1915/pradosha-vrata?on=1915-06-10", "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/1915/shivaratri?on=1915-06-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-06-10", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 617, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-06-10T22:11:27+08:00", "utc": "1915-06-10T14:11:27Z", "ms": -1721814512698.559 }, "end": { "local": "1915-06-12T00:36:17+08:00", "utc": "1915-06-11T16:36:17Z", "ms": -1721719422652.5361 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1915-06-10T22:11:27+08:00", "utc": "1915-06-10T14:11:27Z", "ms": -1721814512698.559 }, "end": { "local": "1915-06-12T00:36:17+08:00", "utc": "1915-06-11T16:36:17Z", "ms": -1721719422652.5361 } }, "kaala": "nishita", "days": [ { "local_date": "1915-06-10", "window": { "start": { "local": "1915-06-10T23:37:48+08:00", "utc": "1915-06-10T15:37:48Z", "ms": -1721809331840.0786 }, "end": { "local": "1915-06-11T00:25:48+08:00", "utc": "1915-06-10T16:25:48Z", "ms": -1721806451840.0786 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-06-11", "window": { "start": { "local": "1915-06-11T23:38:00+08:00", "utc": "1915-06-11T15:38:00Z", "ms": -1721722919723.1484 }, "end": { "local": "1915-06-12T00:26:00+08:00", "utc": "1915-06-11T16:26:00Z", "ms": -1721720039723.1484 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:11 on Thu 10 Jun to 00:36 on Sat 12 Jun.", "fact": "1915-06-10T14:11:27Z → 1915-06-11T16:36:17Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:38–00:26 on the 10th, 23:38–00:26 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 10th and 48 of 48 on the 11th.", "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 617 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1915: Thursday 10 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": "1915-06-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-06-10", "confidence": "boundary" } ], "quote": "In Fuzhou, Śivarātri 1915 falls on Thursday 10 June. Caturdaśī runs from 22:11 on Thu 10 Jun to 00:36 on Sat 12 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/1915/shivaratri?on=1915-06-10", "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/1915/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10159, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1915-06-15T07:08:02+08:00", "utc": "1915-06-14T23:08:02Z", "ms": -1721436717847.711 }, "end": { "local": "1915-06-16T08:49:41+08:00", "utc": "1915-06-16T00:49:41Z", "ms": -1721344218705.106 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1915-06-15T07:08:02+08:00", "utc": "1915-06-14T23:08:02Z", "ms": -1721436717847.711 }, "end": { "local": "1915-06-16T08:49:41+08:00", "utc": "1915-06-16T00:49:41Z", "ms": -1721344218705.106 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-06-15", "window": { "start": { "local": "1915-06-15T11:38:48+08:00", "utc": "1915-06-15T03:38:48Z", "ms": -1721420472036.249 }, "end": { "local": "1915-06-15T12:26:48+08:00", "utc": "1915-06-15T04:26:48Z", "ms": -1721417592036.249 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-06-16", "window": { "start": { "local": "1915-06-16T11:39:00+08:00", "utc": "1915-06-16T03:39:00Z", "ms": -1721334059593.229 }, "end": { "local": "1915-06-16T12:27:00+08:00", "utc": "1915-06-16T04:27:00Z", "ms": -1721331179593.229 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:08 on Tue 15 Jun to 08:50 on Wed 16 Jun.", "fact": "1915-06-14T23:08:02Z → 1915-06-16T00:49:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 15th, 11:39–12:27 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10159 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Fuzhou, 1915: Tuesday 15 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-06-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Rambhā Tṛtīyā 1915 falls on Tuesday 15 June. Tṛtīyā runs from 07:08 on Tue 15 Jun to 08:50 on Wed 16 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vinayaka-chaturthi?on=1915-06-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5448, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-06-16T08:49:41+08:00", "utc": "1915-06-16T00:49:41Z", "ms": -1721344218705.106 }, "end": { "local": "1915-06-17T10:08:25+08:00", "utc": "1915-06-17T02:08:25Z", "ms": -1721253094768.1172 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1915-06-16T08:49:41+08:00", "utc": "1915-06-16T00:49:41Z", "ms": -1721344218705.106 }, "end": { "local": "1915-06-17T10:08:25+08:00", "utc": "1915-06-17T02:08:25Z", "ms": -1721253094768.1172 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-06-16", "window": { "start": { "local": "1915-06-16T11:39:00+08:00", "utc": "1915-06-16T03:39:00Z", "ms": -1721334059593.229 }, "end": { "local": "1915-06-16T12:27:00+08:00", "utc": "1915-06-16T04:27:00Z", "ms": -1721331179593.229 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-06-17", "window": { "start": { "local": "1915-06-17T11:39:13+08:00", "utc": "1915-06-17T03:39:13Z", "ms": -1721247647043.0645 }, "end": { "local": "1915-06-17T12:27:13+08:00", "utc": "1915-06-17T04:27:13Z", "ms": -1721244767043.0645 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:50 on Wed 16 Jun to 10:08 on Thu 17 Jun.", "fact": "1915-06-16T00:49:41Z → 1915-06-17T02:08:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 16th, 11:39–12:27 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5448 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1915: Wednesday 16 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-06-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1915 falls on Wednesday 16 June. Caturthī runs from 08:50 on Wed 16 Jun to 10:08 on Thu 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/vinayaka-chaturthi?on=1915-06-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1532, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1915-06-18T10:58:25+08:00", "utc": "1915-06-18T02:58:25Z", "ms": -1721163695321.399 }, "end": { "local": "1915-06-19T11:14:06+08:00", "utc": "1915-06-19T03:14:06Z", "ms": -1721076354150.8765 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1915-06-18T10:58:25+08:00", "utc": "1915-06-18T02:58:25Z", "ms": -1721163695321.399 }, "end": { "local": "1915-06-19T11:14:06+08:00", "utc": "1915-06-19T03:14:06Z", "ms": -1721076354150.8765 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-06-18", "window": { "start": { "local": "1915-06-18T11:39:26+08:00", "utc": "1915-06-18T03:39:26Z", "ms": -1721161234411.6853 }, "end": { "local": "1915-06-18T12:27:26+08:00", "utc": "1915-06-18T04:27:26Z", "ms": -1721158354411.6853 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-06-19", "window": { "start": { "local": "1915-06-19T11:39:38+08:00", "utc": "1915-06-19T03:39:38Z", "ms": -1721074821725.016 }, "end": { "local": "1915-06-19T12:27:38+08:00", "utc": "1915-06-19T04:27:38Z", "ms": -1721071941725.016 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:58 on Fri 18 Jun to 11:14 on Sat 19 Jun.", "fact": "1915-06-18T02:58:25Z → 1915-06-19T03:14:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 18th, 11:40–12:28 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1532 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Fuzhou, 1915: Friday 18 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-06-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Araṇya Gaurī Vrata 1915 falls on Friday 18 June. Ṣaṣṭhī runs from 10:58 on Fri 18 Jun to 11:14 on Sat 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1532, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1915-06-18T10:58:25+08:00", "utc": "1915-06-18T02:58:25Z", "ms": -1721163695321.399 }, "end": { "local": "1915-06-19T11:14:06+08:00", "utc": "1915-06-19T03:14:06Z", "ms": -1721076354150.8765 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1915-06-18T10:58:25+08:00", "utc": "1915-06-18T02:58:25Z", "ms": -1721163695321.399 }, "end": { "local": "1915-06-19T11:14:06+08:00", "utc": "1915-06-19T03:14:06Z", "ms": -1721076354150.8765 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-06-18", "window": { "start": { "local": "1915-06-18T11:39:26+08:00", "utc": "1915-06-18T03:39:26Z", "ms": -1721161234411.6853 }, "end": { "local": "1915-06-18T12:27:26+08:00", "utc": "1915-06-18T04:27:26Z", "ms": -1721158354411.6853 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-06-19", "window": { "start": { "local": "1915-06-19T11:39:38+08:00", "utc": "1915-06-19T03:39:38Z", "ms": -1721074821725.016 }, "end": { "local": "1915-06-19T12:27:38+08:00", "utc": "1915-06-19T04:27:38Z", "ms": -1721071941725.016 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:58 on Fri 18 Jun to 11:14 on Sat 19 Jun.", "fact": "1915-06-18T02:58:25Z → 1915-06-19T03:14:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 18th, 11:40–12:28 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1532 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Fuzhou, 1915: Friday 18 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-06-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1915 falls on Friday 18 June. Ṣaṣṭhī runs from 10:58 on Fri 18 Jun to 11:14 on Sat 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-06-23", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1668, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-06-23T05:39:21+08:00", "utc": "1915-06-22T21:39:21Z", "ms": -1720750839490.8567 }, "end": { "local": "1915-06-24T02:44:06+08:00", "utc": "1915-06-23T18:44:06Z", "ms": -1720674953617.932 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1915-06-23T05:39:21+08:00", "utc": "1915-06-22T21:39:21Z", "ms": -1720750839490.8567 }, "end": { "local": "1915-06-24T02:44:06+08:00", "utc": "1915-06-23T18:44:06Z", "ms": -1720674953617.932 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-06-23", "window": { "start": { "local": "1915-06-23T05:11:33+08:00", "utc": "1915-06-22T21:11:33Z", "ms": -1720752507304.2817 }, "end": { "local": "1915-06-23T05:11:33+08:00", "utc": "1915-06-22T21:11:33Z", "ms": -1720752507304.2817 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-06-24", "window": { "start": { "local": "1915-06-24T05:11:46+08:00", "utc": "1915-06-23T21:11:46Z", "ms": -1720666093531.4287 }, "end": { "local": "1915-06-24T05:11:46+08:00", "utc": "1915-06-23T21:11:46Z", "ms": -1720666093531.4287 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:39 on Wed 23 Jun to 02:44 on Thu 24 Jun.", "fact": "1915-06-22T21:39:21Z → 1915-06-23T18:44:06Z" }, { "step": "kaala", "text": "Sunrise is at 05:12 on the 23rd and 05:12 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 1668 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Fuzhou, 1915: Wednesday 23 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": "1915-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-06-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Nirjalā Ekādaśī 1915 falls on Wednesday 23 June. Ekādaśī runs from 05:39 on Wed 23 Jun to 02:44 on Thu 24 Jun, and is current at sunrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-06-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32195, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1915-06-24T02:44:06+08:00", "utc": "1915-06-23T18:44:06Z", "ms": -1720674953617.932 }, "end": { "local": "1915-06-24T23:23:53+08:00", "utc": "1915-06-24T15:23:53Z", "ms": -1720600566974.22 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1915-06-24T02:44:06+08:00", "utc": "1915-06-23T18:44:06Z", "ms": -1720674953617.932 }, "end": { "local": "1915-06-24T23:23:53+08:00", "utc": "1915-06-24T15:23:53Z", "ms": -1720600566974.22 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-06-24", "window": { "start": { "local": "1915-06-24T11:40:42+08:00", "utc": "1915-06-24T03:40:42Z", "ms": -1720642758318.9487 }, "end": { "local": "1915-06-24T12:28:42+08:00", "utc": "1915-06-24T04:28:42Z", "ms": -1720639878318.9487 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-06-25", "window": { "start": { "local": "1915-06-25T11:40:54+08:00", "utc": "1915-06-25T03:40:54Z", "ms": -1720556345800.0674 }, "end": { "local": "1915-06-25T12:28:54+08:00", "utc": "1915-06-25T04:28:54Z", "ms": -1720553465800.0674 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:44 on Thu 24 Jun to 23:24 on Thu 24 Jun.", "fact": "1915-06-23T18:44:06Z → 1915-06-24T15:23:53Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32195 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Fuzhou, 1915: Thursday 24 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": "1915-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-06-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Rāma Dvādaśī 1915 falls on Thursday 24 June. Dvādaśī runs from 02:44 on Thu 24 Jun to 23:24 on Thu 24 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/pradosha-vrata?on=1915-06-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1926, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-06-24T23:23:53+08:00", "utc": "1915-06-24T15:23:53Z", "ms": -1720600566974.22 }, "end": { "local": "1915-06-25T19:47:37+08:00", "utc": "1915-06-25T11:47:37Z", "ms": -1720527142797.719 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1915-06-24T23:23:53+08:00", "utc": "1915-06-24T15:23:53Z", "ms": -1720600566974.22 }, "end": { "local": "1915-06-25T19:47:37+08:00", "utc": "1915-06-25T11:47:37Z", "ms": -1720527142797.719 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-06-24", "window": { "start": { "local": "1915-06-24T18:57:37+08:00", "utc": "1915-06-24T10:57:37Z", "ms": -1720616543106.469 }, "end": { "local": "1915-06-24T20:19:32+08:00", "utc": "1915-06-24T12:19:32Z", "ms": -1720611627870.8396 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1915-06-25", "window": { "start": { "local": "1915-06-25T18:57:47+08:00", "utc": "1915-06-25T10:57:47Z", "ms": -1720530132760.886 }, "end": { "local": "1915-06-25T20:19:43+08:00", "utc": "1915-06-25T12:19:43Z", "ms": -1720525216826.0508 } }, "covered_min": 50, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:24 on Thu 24 Jun to 19:48 on Fri 25 Jun.", "fact": "1915-06-24T15:23:53Z → 1915-06-25T11:47:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:20 on the 24th, 18:58–20:20 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 24th and 50 of 82 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1926 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1915: Friday 25 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-06-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1915 falls on Friday 25 June. Trayodaśī runs from 23:24 on Thu 24 Jun to 19:48 on Fri 25 Jun and covers 50 of 82 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-06-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10364, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-06-26T16:05:13+08:00", "utc": "1915-06-26T08:05:13Z", "ms": -1720454087287.0608 }, "end": { "local": "1915-06-27T12:27:01+08:00", "utc": "1915-06-27T04:27:01Z", "ms": -1720380778505.5798 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1915-06-26T16:05:13+08:00", "utc": "1915-06-26T08:05:13Z", "ms": -1720454087287.0608 }, "end": { "local": "1915-06-27T12:27:01+08:00", "utc": "1915-06-27T04:27:01Z", "ms": -1720380778505.5798 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-06-26", "window": { "start": { "local": "1915-06-26T18:57:56+08:00", "utc": "1915-06-26T10:57:56Z", "ms": -1720443723514.5408 }, "end": { "local": "1915-06-26T20:19:53+08:00", "utc": "1915-06-26T12:19:53Z", "ms": -1720438806617.1162 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "1915-06-27", "window": { "start": { "local": "1915-06-27T18:58:05+08:00", "utc": "1915-06-27T10:58:05Z", "ms": -1720357315382.279 }, "end": { "local": "1915-06-27T20:20:03+08:00", "utc": "1915-06-27T12:20:03Z", "ms": -1720352397259.6926 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:05 on Sat 26 Jun to 12:27 on Sun 27 Jun.", "fact": "1915-06-26T08:05:13Z → 1915-06-27T04:27:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:20 on the 26th, 18:58–20:20 on the 27th.", "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 26th and 0 of 82 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: purvaviddha → only-day · margin 10364 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Fuzhou, 1915: Saturday 26 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": "1915-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-06-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Vaṭa Sāvitrī Vrata 1915 falls on Saturday 26 June. Pūrṇimā runs from 16:05 on Sat 26 Jun to 12:27 on Sun 27 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/sankashta-chaturthi?on=1915-06-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15040, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-06-30T03:38:54+08:00", "utc": "1915-06-29T19:38:54Z", "ms": -1720153266244.5022 }, "end": { "local": "1915-07-01T01:54:15+08:00", "utc": "1915-06-30T17:54:15Z", "ms": -1720073144720.3027 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-06-30T03:38:54+08:00", "utc": "1915-06-29T19:38:54Z", "ms": -1720153266244.5022 }, "end": { "local": "1915-07-01T01:54:15+08:00", "utc": "1915-06-30T17:54:15Z", "ms": -1720073144720.3027 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-06-29", "window": { "start": { "local": "1915-06-29T21:04:06+08:00", "utc": "1915-06-29T13:04:06Z", "ms": -1720176954399.3137 }, "end": { "local": "1915-06-29T21:04:06+08:00", "utc": "1915-06-29T13:04:06Z", "ms": -1720176954399.3137 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-06-30", "window": { "start": { "local": "1915-06-30T21:43:36+08:00", "utc": "1915-06-30T13:43:36Z", "ms": -1720088184424.2642 }, "end": { "local": "1915-06-30T21:43:36+08:00", "utc": "1915-06-30T13:43:36Z", "ms": -1720088184424.2642 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:39 on Wed 30 Jun to 01:54 on Thu 1 Jul.", "fact": "1915-06-29T19:38:54Z → 1915-06-30T17:54:15Z" }, { "step": "kaala", "text": "Moonrise is at 21:04 on the 29th and 21:44 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15040 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1915: Wednesday 30 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-06-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1915 falls on Wednesday 30 June. Caturthī runs from 03:39 on Wed 30 Jun to 01:54 on Thu 1 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-06-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/ekadashi?on=1915-07-08", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4909, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-07-07T06:37:50+08:00", "utc": "1915-07-06T22:37:50Z", "ms": -1719537729969.6748 }, "end": { "local": "1915-07-08T09:00:52+08:00", "utc": "1915-07-08T01:00:52Z", "ms": -1719442748001.6333 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-07-07T06:37:50+08:00", "utc": "1915-07-06T22:37:50Z", "ms": -1719537729969.6748 }, "end": { "local": "1915-07-08T09:00:52+08:00", "utc": "1915-07-08T01:00:52Z", "ms": -1719442748001.6333 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-07-07", "window": { "start": { "local": "1915-07-07T05:16:01+08:00", "utc": "1915-07-06T21:16:01Z", "ms": -1719542638904.6873 }, "end": { "local": "1915-07-07T05:16:01+08:00", "utc": "1915-07-06T21:16:01Z", "ms": -1719542638904.6873 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-07-08", "window": { "start": { "local": "1915-07-08T05:16:26+08:00", "utc": "1915-07-07T21:16:26Z", "ms": -1719456214375.3296 }, "end": { "local": "1915-07-08T05:16:26+08:00", "utc": "1915-07-07T21:16:26Z", "ms": -1719456214375.3296 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:38 on Wed 7 Jul to 09:01 on Thu 8 Jul.", "fact": "1915-07-06T22:37:50Z → 1915-07-08T01:00:52Z" }, { "step": "kaala", "text": "Sunrise is at 05:16 on the 7th and 05:16 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4909 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Fuzhou, 1915: Thursday 8 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": "1915-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Yoginī Ekādaśī 1915 falls on Thursday 8 July. Ekādaśī runs from 06:38 on Wed 7 Jul to 09:01 on Thu 8 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-07-08", "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/1915/pradosha-vrata?on=1915-07-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18963, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-07-09T11:25:04+08:00", "utc": "1915-07-09T03:25:04Z", "ms": -1719347695944.5344 }, "end": { "local": "1915-07-10T13:42:00+08:00", "utc": "1915-07-10T05:42:00Z", "ms": -1719253080429.033 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-07-09T11:25:04+08:00", "utc": "1915-07-09T03:25:04Z", "ms": -1719347695944.5344 }, "end": { "local": "1915-07-10T13:42:00+08:00", "utc": "1915-07-10T05:42:00Z", "ms": -1719253080429.033 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-07-09", "window": { "start": { "local": "1915-07-09T18:58:10+08:00", "utc": "1915-07-09T10:58:10Z", "ms": -1719320509699.0105 }, "end": { "local": "1915-07-09T20:20:43+08:00", "utc": "1915-07-09T12:20:43Z", "ms": -1719315556895.135 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "1915-07-10", "window": { "start": { "local": "1915-07-10T18:58:03+08:00", "utc": "1915-07-10T10:58:03Z", "ms": -1719234117263.2095 }, "end": { "local": "1915-07-10T20:20:40+08:00", "utc": "1915-07-10T12:20:40Z", "ms": -1719229159969.35 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:25 on Fri 9 Jul to 13:42 on Sat 10 Jul.", "fact": "1915-07-09T03:25:04Z → 1915-07-10T05:42:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:21 on the 9th, 18:58–20:21 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 83 of 83 minutes on the 9th and 0 of 83 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 18963 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1915: Friday 9 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": "1915-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1915 falls on Friday 9 July. Trayodaśī runs from 11:25 on Fri 9 Jul to 13:42 on Sat 10 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-07-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/shivaratri?on=1915-07-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28725, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-07-10T13:42:00+08:00", "utc": "1915-07-10T05:42:00Z", "ms": -1719253080429.033 }, "end": { "local": "1915-07-11T15:45:16+08:00", "utc": "1915-07-11T07:45:16Z", "ms": -1719159283901.038 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-07-10T13:42:00+08:00", "utc": "1915-07-10T05:42:00Z", "ms": -1719253080429.033 }, "end": { "local": "1915-07-11T15:45:16+08:00", "utc": "1915-07-11T07:45:16Z", "ms": -1719159283901.038 } }, "kaala": "nishita", "days": [ { "local_date": "1915-07-10", "window": { "start": { "local": "1915-07-10T23:43:53+08:00", "utc": "1915-07-10T15:43:53Z", "ms": -1719216967411.2373 }, "end": { "local": "1915-07-11T00:31:53+08:00", "utc": "1915-07-10T16:31:53Z", "ms": -1719214087411.2373 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-07-11", "window": { "start": { "local": "1915-07-11T23:44:01+08:00", "utc": "1915-07-11T15:44:01Z", "ms": -1719130558549.7642 }, "end": { "local": "1915-07-12T00:32:01+08:00", "utc": "1915-07-11T16:32:01Z", "ms": -1719127678549.7642 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:42 on Sat 10 Jul to 15:45 on Sun 11 Jul.", "fact": "1915-07-10T05:42:00Z → 1915-07-11T07:45:16Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 10th, 23:44–00:32 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28725 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1915: Saturday 10 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": "1915-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1915 falls on Saturday 10 July. Caturdaśī runs from 13:42 on Sat 10 Jul to 15:45 on Sun 11 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1915/shivaratri?on=1915-07-10", "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/1915/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22929, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1915-07-13T18:54:13+08:00", "utc": "1915-07-13T10:54:13Z", "ms": -1718975146512.9436 }, "end": { "local": "1915-07-14T19:54:25+08:00", "utc": "1915-07-14T11:54:25Z", "ms": -1718885134514.6104 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-07-13T18:54:13+08:00", "utc": "1915-07-13T10:54:13Z", "ms": -1718975146512.9436 }, "end": { "local": "1915-07-14T19:54:25+08:00", "utc": "1915-07-14T11:54:25Z", "ms": -1718885134514.6104 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-07-13", "window": { "start": { "local": "1915-07-13T11:44:04+08:00", "utc": "1915-07-13T03:44:04Z", "ms": -1719000955840.6074 }, "end": { "local": "1915-07-13T12:32:04+08:00", "utc": "1915-07-13T04:32:04Z", "ms": -1718998075840.6074 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-07-14", "window": { "start": { "local": "1915-07-14T11:44:11+08:00", "utc": "1915-07-14T03:44:11Z", "ms": -1718914548515.5542 }, "end": { "local": "1915-07-14T12:32:11+08:00", "utc": "1915-07-14T04:32:11Z", "ms": -1718911668515.5542 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 18:54 on Tue 13 Jul to 19:54 on Wed 14 Jul.", "fact": "1915-07-13T10:54:13Z → 1915-07-14T11:54:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 13th, 11:44–12:32 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "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 22929 s" }, { "step": "ruling", "text": "Rathayātrā, Fuzhou, 1915: Wednesday 14 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Rathayātrā 1915 falls on Wednesday 14 July. Dvitīyā runs from 18:54 on Tue 13 Jul to 19:54 on Wed 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vinayaka-chaturthi?on=1915-07-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28602, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-07-15T20:29:00+08:00", "utc": "1915-07-15T12:29:00Z", "ms": -1718796659541.614 }, "end": { "local": "1915-07-16T20:36:10+08:00", "utc": "1915-07-16T12:36:10Z", "ms": -1718709830499.839 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-07-15T20:29:00+08:00", "utc": "1915-07-15T12:29:00Z", "ms": -1718796659541.614 }, "end": { "local": "1915-07-16T20:36:10+08:00", "utc": "1915-07-16T12:36:10Z", "ms": -1718709830499.839 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-07-15", "window": { "start": { "local": "1915-07-15T11:44:18+08:00", "utc": "1915-07-15T03:44:18Z", "ms": -1718828141663.9692 }, "end": { "local": "1915-07-15T12:32:18+08:00", "utc": "1915-07-15T04:32:18Z", "ms": -1718825261663.9692 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-07-16", "window": { "start": { "local": "1915-07-16T11:44:25+08:00", "utc": "1915-07-16T03:44:25Z", "ms": -1718741735303.62 }, "end": { "local": "1915-07-16T12:32:25+08:00", "utc": "1915-07-16T04:32:25Z", "ms": -1718738855303.62 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:29 on Thu 15 Jul to 20:36 on Fri 16 Jul.", "fact": "1915-07-15T12:29:00Z → 1915-07-16T12:36:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 15th, 11:44–12:32 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28602 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1915: Friday 16 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": "1915-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1915 falls on Friday 16 July. Caturthī runs from 20:29 on Thu 15 Jul to 20:36 on Fri 16 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/vinayaka-chaturthi?on=1915-07-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27708, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1915-07-16T20:36:10+08:00", "utc": "1915-07-16T12:36:10Z", "ms": -1718709830499.839 }, "end": { "local": "1915-07-17T20:14:18+08:00", "utc": "1915-07-17T12:14:18Z", "ms": -1718624741538.5051 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-07-16T20:36:10+08:00", "utc": "1915-07-16T12:36:10Z", "ms": -1718709830499.839 }, "end": { "local": "1915-07-17T20:14:18+08:00", "utc": "1915-07-17T12:14:18Z", "ms": -1718624741538.5051 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-07-16", "window": { "start": { "local": "1915-07-16T11:44:25+08:00", "utc": "1915-07-16T03:44:25Z", "ms": -1718741735303.62 }, "end": { "local": "1915-07-16T12:32:25+08:00", "utc": "1915-07-16T04:32:25Z", "ms": -1718738855303.62 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-07-17", "window": { "start": { "local": "1915-07-17T11:44:31+08:00", "utc": "1915-07-17T03:44:31Z", "ms": -1718655329451.1692 }, "end": { "local": "1915-07-17T12:32:31+08:00", "utc": "1915-07-17T04:32:31Z", "ms": -1718652449451.1692 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:36 on Fri 16 Jul to 20:14 on Sat 17 Jul.", "fact": "1915-07-16T12:36:10Z → 1915-07-17T12:14:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 16th, 11:45–12:33 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27708 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Fuzhou, 1915: Saturday 17 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Pañcamī 1915 falls on Saturday 17 July. Pañcamī runs from 20:36 on Fri 16 Jul to 20:14 on Sat 17 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19662, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1915-07-18T19:22:25+08:00", "utc": "1915-07-18T11:22:25Z", "ms": -1718541454865.106 }, "end": { "local": "1915-07-19T18:00:22+08:00", "utc": "1915-07-19T10:00:22Z", "ms": -1718459977810.1792 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-07-18T19:22:25+08:00", "utc": "1915-07-18T11:22:25Z", "ms": -1718541454865.106 }, "end": { "local": "1915-07-19T18:00:22+08:00", "utc": "1915-07-19T10:00:22Z", "ms": -1718459977810.1792 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-07-18", "window": { "start": { "local": "1915-07-18T11:44:36+08:00", "utc": "1915-07-18T03:44:36Z", "ms": -1718568924121.981 }, "end": { "local": "1915-07-18T12:32:36+08:00", "utc": "1915-07-18T04:32:36Z", "ms": -1718566044121.981 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-07-19", "window": { "start": { "local": "1915-07-19T11:44:41+08:00", "utc": "1915-07-19T03:44:41Z", "ms": -1718482519329.933 }, "end": { "local": "1915-07-19T12:32:41+08:00", "utc": "1915-07-19T04:32:41Z", "ms": -1718479639329.933 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:22 on Sun 18 Jul to 18:00 on Mon 19 Jul.", "fact": "1915-07-18T11:22:25Z → 1915-07-19T10:00:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 18th, 11:45–12:33 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19662 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Fuzhou, 1915: Monday 19 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Vivasvat Saptamī 1915 falls on Monday 19 July. Saptamī runs from 19:22 on Sun 18 Jul to 18:00 on Mon 19 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-07-23", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10345, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-07-22T11:12:09+08:00", "utc": "1915-07-22T03:12:09Z", "ms": -1718225270943.9233 }, "end": { "local": "1915-07-23T08:15:48+08:00", "utc": "1915-07-23T00:15:48Z", "ms": -1718149452282.029 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-07-22T11:12:09+08:00", "utc": "1915-07-22T03:12:09Z", "ms": -1718225270943.9233 }, "end": { "local": "1915-07-23T08:15:48+08:00", "utc": "1915-07-23T00:15:48Z", "ms": -1718149452282.029 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-07-22", "window": { "start": { "local": "1915-07-22T05:22:53+08:00", "utc": "1915-07-21T21:22:53Z", "ms": -1718246226980.88 }, "end": { "local": "1915-07-22T05:22:53+08:00", "utc": "1915-07-21T21:22:53Z", "ms": -1718246226980.88 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-07-23", "window": { "start": { "local": "1915-07-23T05:23:23+08:00", "utc": "1915-07-22T21:23:23Z", "ms": -1718159797400.4817 }, "end": { "local": "1915-07-23T05:23:23+08:00", "utc": "1915-07-22T21:23:23Z", "ms": -1718159797400.4817 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:12 on Thu 22 Jul to 08:16 on Fri 23 Jul.", "fact": "1915-07-22T03:12:09Z → 1915-07-23T00:15:48Z" }, { "step": "kaala", "text": "Sunrise is at 05:23 on the 22nd and 05:23 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.", "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 10345 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Fuzhou, 1915: Friday 23 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": "1915-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Hariśayanī Ekādaśī 1915 falls on Friday 23 July. Ekādaśī runs from 11:12 on Thu 22 Jul to 08:16 on Fri 23 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-07-23", "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/1915/pradosha-vrata?on=1915-07-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20581, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-07-24T05:09:33+08:00", "utc": "1915-07-23T21:09:33Z", "ms": -1718074227445.8281 }, "end": { "local": "1915-07-25T02:01:04+08:00", "utc": "1915-07-24T18:01:04Z", "ms": -1717999136275.839 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-07-24T05:09:33+08:00", "utc": "1915-07-23T21:09:33Z", "ms": -1718074227445.8281 }, "end": { "local": "1915-07-25T02:01:04+08:00", "utc": "1915-07-24T18:01:04Z", "ms": -1717999136275.839 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-07-23", "window": { "start": { "local": "1915-07-23T18:54:26+08:00", "utc": "1915-07-23T10:54:26Z", "ms": -1718111134100.155 }, "end": { "local": "1915-07-23T20:18:21+08:00", "utc": "1915-07-23T12:18:21Z", "ms": -1718106098580.9023 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "1915-07-24", "window": { "start": { "local": "1915-07-24T18:54:00+08:00", "utc": "1915-07-24T10:54:00Z", "ms": -1718024759875.7092 }, "end": { "local": "1915-07-24T20:18:03+08:00", "utc": "1915-07-24T12:18:03Z", "ms": -1718019716947.732 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:10 on Sat 24 Jul to 02:01 on Sun 25 Jul.", "fact": "1915-07-23T21:09:33Z → 1915-07-24T18:01:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:18 on the 23rd, 18:54–20:18 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 0 of 84 minutes on the 23rd and 84 of 84 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 20581 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1915: Saturday 24 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": "1915-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1915 falls on Saturday 24 July. Trayodaśī runs from 05:10 on Sat 24 Jul to 02:01 on Sun 25 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-07-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23175, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-07-25T22:58:37+08:00", "utc": "1915-07-25T14:58:37Z", "ms": -1717923683353.983 }, "end": { "local": "1915-07-26T20:10:42+08:00", "utc": "1915-07-26T12:10:42Z", "ms": -1717847358428.5374 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-07-25T22:58:37+08:00", "utc": "1915-07-25T14:58:37Z", "ms": -1717923683353.983 }, "end": { "local": "1915-07-26T20:10:42+08:00", "utc": "1915-07-26T12:10:42Z", "ms": -1717847358428.5374 } }, "kaala": "udaya-3", "days": [ { "local_date": "1915-07-26", "window": { "start": { "local": "1915-07-26T05:24:52+08:00", "utc": "1915-07-25T21:24:52Z", "ms": -1717900508048.084 }, "end": { "local": "1915-07-26T08:06:31+08:00", "utc": "1915-07-26T00:06:31Z", "ms": -1717890809478.003 } }, "covered_min": 162, "window_min": 162, "qualifies": true }, { "local_date": "1915-07-27", "window": { "start": { "local": "1915-07-27T05:25:22+08:00", "utc": "1915-07-26T21:25:22Z", "ms": -1717814078118.001 }, "end": { "local": "1915-07-27T08:06:49+08:00", "utc": "1915-07-27T00:06:49Z", "ms": -1717804391437.6675 } }, "covered_min": 0, "window_min": 161, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:59 on Sun 25 Jul to 20:11 on Mon 26 Jul.", "fact": "1915-07-25T14:58:37Z → 1915-07-26T12:10:42Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:25–08:07 on the 26th, 05:25–08:07 on the 27th.", "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 162 of 162 minutes on the 26th and 0 of 161 on the 27th.", "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 23175 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Fuzhou, 1915: Monday 26 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": "1915-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Vyāsa Pūjā 1915 falls on Monday 26 July. Pūrṇimā runs from 22:59 on Sun 25 Jul to 20:11 on Mon 26 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27463, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-07-25T22:58:37+08:00", "utc": "1915-07-25T14:58:37Z", "ms": -1717923683353.983 }, "end": { "local": "1915-07-26T20:10:42+08:00", "utc": "1915-07-26T12:10:42Z", "ms": -1717847358428.5374 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-07-25T22:58:37+08:00", "utc": "1915-07-25T14:58:37Z", "ms": -1717923683353.983 }, "end": { "local": "1915-07-26T20:10:42+08:00", "utc": "1915-07-26T12:10:42Z", "ms": -1717847358428.5374 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-07-25", "window": { "start": { "local": "1915-07-25T11:44:58+08:00", "utc": "1915-07-25T03:44:58Z", "ms": -1717964102414.3115 }, "end": { "local": "1915-07-25T12:32:58+08:00", "utc": "1915-07-25T04:32:58Z", "ms": -1717961222414.3115 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-07-26", "window": { "start": { "local": "1915-07-26T11:44:58+08:00", "utc": "1915-07-26T03:44:58Z", "ms": -1717877701622.8813 }, "end": { "local": "1915-07-26T12:32:58+08:00", "utc": "1915-07-26T04:32:58Z", "ms": -1717874821622.8813 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:59 on Sun 25 Jul to 20:11 on Mon 26 Jul.", "fact": "1915-07-25T14:58:37Z → 1915-07-26T12:10:42Z" }, { "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": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27463 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Fuzhou, 1915: Monday 26 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": "1915-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Guru Pūrṇimā 1915 falls on Monday 26 July. Pūrṇimā runs from 22:59 on Sun 25 Jul to 20:11 on Mon 26 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4657, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-07-25T22:58:37+08:00", "utc": "1915-07-25T14:58:37Z", "ms": -1717923683353.983 }, "end": { "local": "1915-07-26T20:10:42+08:00", "utc": "1915-07-26T12:10:42Z", "ms": -1717847358428.5374 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-07-25T22:58:37+08:00", "utc": "1915-07-25T14:58:37Z", "ms": -1717923683353.983 }, "end": { "local": "1915-07-26T20:10:42+08:00", "utc": "1915-07-26T12:10:42Z", "ms": -1717847358428.5374 } }, "kaala": "sayahna", "days": [ { "local_date": "1915-07-25", "window": { "start": { "local": "1915-07-25T16:11:43+08:00", "utc": "1915-07-25T08:11:43Z", "ms": -1717948097113.3706 }, "end": { "local": "1915-07-25T18:53:33+08:00", "utc": "1915-07-25T10:53:33Z", "ms": -1717938386912.7432 } }, "covered_min": 0, "window_min": 162, "qualifies": false }, { "local_date": "1915-07-26", "window": { "start": { "local": "1915-07-26T16:11:26+08:00", "utc": "1915-07-26T08:11:26Z", "ms": -1717861713767.7598 }, "end": { "local": "1915-07-26T18:53:05+08:00", "utc": "1915-07-26T10:53:05Z", "ms": -1717852015197.6787 } }, "covered_min": 162, "window_min": 162, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:59 on Sun 25 Jul to 20:11 on Mon 26 Jul.", "fact": "1915-07-25T14:58:37Z → 1915-07-26T12:10:42Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:12–18:54 on the 25th, 16:11–18:53 on the 26th.", "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 162 minutes on the 25th and 162 of 162 on the 26th.", "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 4657 s" }, { "step": "ruling", "text": "Kokilā Vrata, Fuzhou, 1915: Monday 26 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": "1915-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Kokilā Vrata 1915 falls on Monday 26 July. Pūrṇimā runs from 22:59 on Sun 25 Jul to 20:11 on Mon 26 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 402, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-07-25T22:58:37+08:00", "utc": "1915-07-25T14:58:37Z", "ms": -1717923683353.983 }, "end": { "local": "1915-07-26T20:10:42+08:00", "utc": "1915-07-26T12:10:42Z", "ms": -1717847358428.5374 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1915-07-25T22:58:37+08:00", "utc": "1915-07-25T14:58:37Z", "ms": -1717923683353.983 }, "end": { "local": "1915-07-26T20:10:42+08:00", "utc": "1915-07-26T12:10:42Z", "ms": -1717847358428.5374 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-07-25", "window": { "start": { "local": "1915-07-25T18:53:33+08:00", "utc": "1915-07-25T10:53:33Z", "ms": -1717938386912.7432 }, "end": { "local": "1915-07-25T20:17:44+08:00", "utc": "1915-07-25T12:17:44Z", "ms": -1717933336397.4553 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "1915-07-26", "window": { "start": { "local": "1915-07-26T18:53:05+08:00", "utc": "1915-07-26T10:53:05Z", "ms": -1717852015197.6787 }, "end": { "local": "1915-07-26T20:17:23+08:00", "utc": "1915-07-26T12:17:23Z", "ms": -1717846956920.3884 } }, "covered_min": 78, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:59 on Sun 25 Jul to 20:11 on Mon 26 Jul.", "fact": "1915-07-25T14:58:37Z → 1915-07-26T12:10:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:18 on the 25th, 18:53–20:17 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 84 minutes on the 25th and 78 of 84 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 402 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Fuzhou, 1915: Monday 26 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-07-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Śiva Śayanotsava 1915 falls on Monday 26 July. Pūrṇimā runs from 22:59 on Sun 25 Jul to 20:11 on Mon 26 Jul and covers 78 of 84 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6642, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1915-07-27T17:45:41+08:00", "utc": "1915-07-27T09:45:41Z", "ms": -1717769659400.6895 }, "end": { "local": "1915-07-28T15:51:20+08:00", "utc": "1915-07-28T07:51:20Z", "ms": -1717690119957.3083 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1915-07-27T17:45:41+08:00", "utc": "1915-07-27T09:45:41Z", "ms": -1717769659400.6895 }, "end": { "local": "1915-07-28T15:51:20+08:00", "utc": "1915-07-28T07:51:20Z", "ms": -1717690119957.3083 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-07-27", "window": { "start": { "local": "1915-07-27T19:36:23+08:00", "utc": "1915-07-27T11:36:23Z", "ms": -1717763016905.5376 }, "end": { "local": "1915-07-27T19:36:23+08:00", "utc": "1915-07-27T11:36:23Z", "ms": -1717763016905.5376 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-07-28", "window": { "start": { "local": "1915-07-28T20:13:40+08:00", "utc": "1915-07-28T12:13:40Z", "ms": -1717674379660.9346 }, "end": { "local": "1915-07-28T20:13:40+08:00", "utc": "1915-07-28T12:13:40Z", "ms": -1717674379660.9346 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:46 on Tue 27 Jul to 15:51 on Wed 28 Jul.", "fact": "1915-07-27T09:45:41Z → 1915-07-28T07:51:20Z" }, { "step": "kaala", "text": "Moonrise is at 19:36 on the 27th and 20:14 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 27th and is not on the 28th.", "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 6642 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Fuzhou, 1915: Tuesday 27 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": "1915-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata (Āṣāḍha) 1915 falls on Tuesday 27 July. Dvitīyā runs from 17:46 on Tue 27 Jul to 15:51 on Wed 28 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/sankashta-chaturthi?on=1915-07-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22378, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-07-29T14:34:16+08:00", "utc": "1915-07-29T06:34:16Z", "ms": -1717608343912.6348 }, "end": { "local": "1915-07-30T13:59:13+08:00", "utc": "1915-07-30T05:59:13Z", "ms": -1717524046814.6575 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1915-07-29T14:34:16+08:00", "utc": "1915-07-29T06:34:16Z", "ms": -1717608343912.6348 }, "end": { "local": "1915-07-30T13:59:13+08:00", "utc": "1915-07-30T05:59:13Z", "ms": -1717524046814.6575 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-07-29", "window": { "start": { "local": "1915-07-29T20:47:14+08:00", "utc": "1915-07-29T12:47:14Z", "ms": -1717585965623.7869 }, "end": { "local": "1915-07-29T20:47:14+08:00", "utc": "1915-07-29T12:47:14Z", "ms": -1717585965623.7869 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-07-30", "window": { "start": { "local": "1915-07-30T21:18:45+08:00", "utc": "1915-07-30T13:18:45Z", "ms": -1717497674866.2493 }, "end": { "local": "1915-07-30T21:18:45+08:00", "utc": "1915-07-30T13:18:45Z", "ms": -1717497674866.2493 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:34 on Thu 29 Jul to 13:59 on Fri 30 Jul.", "fact": "1915-07-29T06:34:16Z → 1915-07-30T05:59:13Z" }, { "step": "kaala", "text": "Moonrise is at 20:47 on the 29th and 21:19 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22378 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1915: Thursday 29 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": "1915-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-07-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1915 falls on Thursday 29 July. Caturthī runs from 14:34 on Thu 29 Jul to 13:59 on Fri 30 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-07-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/ekadashi?on=1915-08-06", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14572, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-08-05T23:10:51+08:00", "utc": "1915-08-05T15:10:51Z", "ms": -1716972548764.636 }, "end": { "local": "1915-08-07T01:27:59+08:00", "utc": "1915-08-06T17:27:59Z", "ms": -1716877920732.5085 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1915-08-05T23:10:51+08:00", "utc": "1915-08-05T15:10:51Z", "ms": -1716972548764.636 }, "end": { "local": "1915-08-07T01:27:59+08:00", "utc": "1915-08-06T17:27:59Z", "ms": -1716877920732.5085 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-08-06", "window": { "start": { "local": "1915-08-06T05:30:21+08:00", "utc": "1915-08-05T21:30:21Z", "ms": -1716949778541.8188 }, "end": { "local": "1915-08-06T05:30:21+08:00", "utc": "1915-08-05T21:30:21Z", "ms": -1716949778541.8188 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-08-07", "window": { "start": { "local": "1915-08-07T05:30:51+08:00", "utc": "1915-08-06T21:30:51Z", "ms": -1716863348876.857 }, "end": { "local": "1915-08-07T05:30:51+08:00", "utc": "1915-08-06T21:30:51Z", "ms": -1716863348876.857 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:11 on Thu 5 Aug to 01:28 on Sat 7 Aug.", "fact": "1915-08-05T15:10:51Z → 1915-08-06T17:27:59Z" }, { "step": "kaala", "text": "Sunrise is at 05:30 on the 6th and 05:31 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 14572 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Fuzhou, 1915: Friday 6 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": "1915-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmikā Ekādaśī 1915 falls on Friday 6 August. Ekādaśī runs from 23:11 on Thu 5 Aug to 01:28 on Sat 7 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-08-06", "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/1915/pradosha-vrata?on=1915-08-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26202, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-08-08T03:28:39+08:00", "utc": "1915-08-07T19:28:39Z", "ms": -1716784281186.719 }, "end": { "local": "1915-08-09T05:05:25+08:00", "utc": "1915-08-08T21:05:25Z", "ms": -1716692075463.1409 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1915-08-08T03:28:39+08:00", "utc": "1915-08-07T19:28:39Z", "ms": -1716784281186.719 }, "end": { "local": "1915-08-09T05:05:25+08:00", "utc": "1915-08-08T21:05:25Z", "ms": -1716692075463.1409 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-08-07", "window": { "start": { "local": "1915-08-07T18:45:53+08:00", "utc": "1915-08-07T10:45:53Z", "ms": -1716815646522.8992 }, "end": { "local": "1915-08-07T20:11:57+08:00", "utc": "1915-08-07T12:11:57Z", "ms": -1716810482896.1782 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "1915-08-08", "window": { "start": { "local": "1915-08-08T18:45:10+08:00", "utc": "1915-08-08T10:45:10Z", "ms": -1716729289650.203 }, "end": { "local": "1915-08-08T20:11:24+08:00", "utc": "1915-08-08T12:11:24Z", "ms": -1716724116349.1335 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:29 on Sun 8 Aug to 05:05 on Mon 9 Aug.", "fact": "1915-08-07T19:28:39Z → 1915-08-08T21:05:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:12 on the 7th, 18:45–20:11 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 86 minutes on the 7th and 86 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 26202 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1915: Sunday 8 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": "1915-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1915 falls on Sunday 8 August. Trayodaśī runs from 03:29 on Sun 8 Aug to 05:05 on Mon 9 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-08-08", "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/1915/shivaratri?on=1915-08-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16374, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-08-09T05:05:25+08:00", "utc": "1915-08-08T21:05:25Z", "ms": -1716692075463.1409 }, "end": { "local": "1915-08-10T06:13:48+08:00", "utc": "1915-08-09T22:13:48Z", "ms": -1716601572024.8306 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1915-08-09T05:05:25+08:00", "utc": "1915-08-08T21:05:25Z", "ms": -1716692075463.1409 }, "end": { "local": "1915-08-10T06:13:48+08:00", "utc": "1915-08-09T22:13:48Z", "ms": -1716601572024.8306 } }, "kaala": "nishita", "days": [ { "local_date": "1915-08-08", "window": { "start": { "local": "1915-08-08T23:44:30+08:00", "utc": "1915-08-08T15:44:30Z", "ms": -1716711329771.1924 }, "end": { "local": "1915-08-09T00:32:30+08:00", "utc": "1915-08-08T16:32:30Z", "ms": -1716708449771.1924 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-08-09", "window": { "start": { "local": "1915-08-09T23:44:23+08:00", "utc": "1915-08-09T15:44:23Z", "ms": -1716624937202.7192 }, "end": { "local": "1915-08-10T00:32:23+08:00", "utc": "1915-08-09T16:32:23Z", "ms": -1716622057202.7192 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:05 on Mon 9 Aug to 06:14 on Tue 10 Aug.", "fact": "1915-08-08T21:05:25Z → 1915-08-09T22:13:48Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 8th, 23:44–00:32 on the 9th.", "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 8th and 48 of 48 on the 9th.", "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 16374 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1915: Monday 9 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": "1915-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1915 falls on Monday 9 August. Caturdaśī runs from 05:05 on Mon 9 Aug to 06:14 on Tue 10 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1915/shivaratri?on=1915-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18226, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1915-08-13T06:39:47+08:00", "utc": "1915-08-12T22:39:47Z", "ms": -1716340813131.9846 }, "end": { "local": "1915-08-14T05:53:21+08:00", "utc": "1915-08-13T21:53:21Z", "ms": -1716257199329.231 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1915-08-13T06:39:47+08:00", "utc": "1915-08-12T22:39:47Z", "ms": -1716340813131.9846 }, "end": { "local": "1915-08-14T05:53:21+08:00", "utc": "1915-08-13T21:53:21Z", "ms": -1716257199329.231 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-08-13", "window": { "start": { "local": "1915-08-13T11:43:33+08:00", "utc": "1915-08-13T03:43:33Z", "ms": -1716322587023.4802 }, "end": { "local": "1915-08-13T12:31:33+08:00", "utc": "1915-08-13T04:31:33Z", "ms": -1716319707023.4802 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-08-14", "window": { "start": { "local": "1915-08-14T11:43:23+08:00", "utc": "1915-08-14T03:43:23Z", "ms": -1716236197233.1504 }, "end": { "local": "1915-08-14T12:31:23+08:00", "utc": "1915-08-14T04:31:23Z", "ms": -1716233317233.1504 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:40 on Fri 13 Aug to 05:53 on Sat 14 Aug.", "fact": "1915-08-12T22:39:47Z → 1915-08-13T21:53:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 13th, 11:43–12:31 on the 14th.", "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 13th and 0 of 48 on the 14th.", "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 18226 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Fuzhou, 1915: Friday 13 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Madhusravā Tṛtīyā (Hariyali Teej) 1915 falls on Friday 13 August. Tṛtīyā runs from 06:40 on Fri 13 Aug to 05:53 on Sat 14 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vinayaka-chaturthi?on=1915-08-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21002, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-08-14T05:53:21+08:00", "utc": "1915-08-13T21:53:21Z", "ms": -1716257199329.231 }, "end": { "local": "1915-08-15T04:43:33+08:00", "utc": "1915-08-14T20:43:33Z", "ms": -1716174986921.7615 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1915-08-14T05:53:21+08:00", "utc": "1915-08-13T21:53:21Z", "ms": -1716257199329.231 }, "end": { "local": "1915-08-15T04:43:33+08:00", "utc": "1915-08-14T20:43:33Z", "ms": -1716174986921.7615 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-08-14", "window": { "start": { "local": "1915-08-14T11:43:23+08:00", "utc": "1915-08-14T03:43:23Z", "ms": -1716236197233.1504 }, "end": { "local": "1915-08-14T12:31:23+08:00", "utc": "1915-08-14T04:31:23Z", "ms": -1716233317233.1504 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-08-15", "window": { "start": { "local": "1915-08-15T11:43:12+08:00", "utc": "1915-08-15T03:43:12Z", "ms": -1716149808001.041 }, "end": { "local": "1915-08-15T12:31:12+08:00", "utc": "1915-08-15T04:31:12Z", "ms": -1716146928001.041 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:53 on Sat 14 Aug to 04:44 on Sun 15 Aug.", "fact": "1915-08-13T21:53:21Z → 1915-08-14T20:43:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 14th, 11:43–12:31 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21002 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1915: Saturday 14 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1915 falls on Saturday 14 August. Caturthī runs from 05:53 on Sat 14 Aug to 04:44 on Sun 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/vinayaka-chaturthi?on=1915-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25179, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1915-08-15T04:43:33+08:00", "utc": "1915-08-14T20:43:33Z", "ms": -1716174986921.7615 }, "end": { "local": "1915-08-16T03:13:17+08:00", "utc": "1915-08-15T19:13:17Z", "ms": -1716094003441.7139 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1915-08-15T04:43:33+08:00", "utc": "1915-08-14T20:43:33Z", "ms": -1716174986921.7615 }, "end": { "local": "1915-08-16T03:13:17+08:00", "utc": "1915-08-15T19:13:17Z", "ms": -1716094003441.7139 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-08-15", "window": { "start": { "local": "1915-08-15T11:43:12+08:00", "utc": "1915-08-15T03:43:12Z", "ms": -1716149808001.041 }, "end": { "local": "1915-08-15T12:31:12+08:00", "utc": "1915-08-15T04:31:12Z", "ms": -1716146928001.041 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-08-16", "window": { "start": { "local": "1915-08-16T11:43:01+08:00", "utc": "1915-08-16T03:43:01Z", "ms": -1716063419321.269 }, "end": { "local": "1915-08-16T12:31:01+08:00", "utc": "1915-08-16T04:31:01Z", "ms": -1716060539321.269 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:44 on Sun 15 Aug to 03:13 on Mon 16 Aug.", "fact": "1915-08-14T20:43:33Z → 1915-08-15T19:13:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 15th, 11:43–12:31 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25179 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Fuzhou, 1915: Sunday 15 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Pañcamī 1915 falls on Sunday 15 August. Pañcamī runs from 04:44 on Sun 15 Aug to 03:13 on Mon 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-08-21", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29652, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-08-20T16:19:12+08:00", "utc": "1915-08-20T08:19:12Z", "ms": -1715701248237.057 }, "end": { "local": "1915-08-21T13:51:42+08:00", "utc": "1915-08-21T05:51:42Z", "ms": -1715623697893.492 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1915-08-20T16:19:12+08:00", "utc": "1915-08-20T08:19:12Z", "ms": -1715701248237.057 }, "end": { "local": "1915-08-21T13:51:42+08:00", "utc": "1915-08-21T05:51:42Z", "ms": -1715623697893.492 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-08-20", "window": { "start": { "local": "1915-08-20T05:37:02+08:00", "utc": "1915-08-19T21:37:02Z", "ms": -1715739777552.5725 }, "end": { "local": "1915-08-20T05:37:02+08:00", "utc": "1915-08-19T21:37:02Z", "ms": -1715739777552.5725 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-08-21", "window": { "start": { "local": "1915-08-21T05:37:30+08:00", "utc": "1915-08-20T21:37:30Z", "ms": -1715653350383.287 }, "end": { "local": "1915-08-21T05:37:30+08:00", "utc": "1915-08-20T21:37:30Z", "ms": -1715653350383.287 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:19 on Fri 20 Aug to 13:52 on Sat 21 Aug.", "fact": "1915-08-20T08:19:12Z → 1915-08-21T05:51:42Z" }, { "step": "kaala", "text": "Sunrise is at 05:37 on the 20th and 05:37 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is 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 29652 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Fuzhou, 1915: Saturday 21 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": "1915-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Putradā Ekādaśī 1915 falls on Saturday 21 August. Ekādaśī runs from 16:19 on Fri 20 Aug to 13:52 on Sat 21 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-08-21", "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/1915/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 789, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1915-08-21T13:51:42+08:00", "utc": "1915-08-21T05:51:42Z", "ms": -1715623697893.492 }, "end": { "local": "1915-08-22T11:28:33+08:00", "utc": "1915-08-22T03:28:33Z", "ms": -1715545887362.3345 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1915-08-21T13:51:42+08:00", "utc": "1915-08-21T05:51:42Z", "ms": -1715623697893.492 }, "end": { "local": "1915-08-22T11:28:33+08:00", "utc": "1915-08-22T03:28:33Z", "ms": -1715545887362.3345 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-08-21", "window": { "start": { "local": "1915-08-21T11:41:56+08:00", "utc": "1915-08-21T03:41:56Z", "ms": -1715631483906.9504 }, "end": { "local": "1915-08-21T12:29:56+08:00", "utc": "1915-08-21T04:29:56Z", "ms": -1715628603906.9504 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-08-22", "window": { "start": { "local": "1915-08-22T11:41:42+08:00", "utc": "1915-08-22T03:41:42Z", "ms": -1715545098340.6333 }, "end": { "local": "1915-08-22T12:29:42+08:00", "utc": "1915-08-22T04:29:42Z", "ms": -1715542218340.6333 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:52 on Sat 21 Aug to 11:29 on Sun 22 Aug.", "fact": "1915-08-21T05:51:42Z → 1915-08-22T03:28:33Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 0 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": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 789 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Fuzhou, 1915: Sunday 22 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": "1915-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Dāmodara Dvādaśī 1915 falls on Sunday 22 August. Dvādaśī runs from 13:52 on Sat 21 Aug to 11:29 on Sun 22 Aug, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/pradosha-vrata?on=1915-08-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25494, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-08-22T11:28:33+08:00", "utc": "1915-08-22T03:28:33Z", "ms": -1715545887362.3345 }, "end": { "local": "1915-08-23T09:15:01+08:00", "utc": "1915-08-23T01:15:01Z", "ms": -1715467498888.5156 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1915-08-22T11:28:33+08:00", "utc": "1915-08-22T03:28:33Z", "ms": -1715545887362.3345 }, "end": { "local": "1915-08-23T09:15:01+08:00", "utc": "1915-08-23T01:15:01Z", "ms": -1715467498888.5156 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-08-22", "window": { "start": { "local": "1915-08-22T18:33:27+08:00", "utc": "1915-08-22T10:33:27Z", "ms": -1715520393255.6936 }, "end": { "local": "1915-08-22T20:02:06+08:00", "utc": "1915-08-22T12:02:06Z", "ms": -1715515073711.5305 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "1915-08-23", "window": { "start": { "local": "1915-08-23T18:32:30+08:00", "utc": "1915-08-23T10:32:30Z", "ms": -1715434049818.5906 }, "end": { "local": "1915-08-23T20:01:21+08:00", "utc": "1915-08-23T12:01:21Z", "ms": -1715428719192.5498 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:29 on Sun 22 Aug to 09:15 on Mon 23 Aug.", "fact": "1915-08-22T03:28:33Z → 1915-08-23T01:15:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:02 on the 22nd, 18:33–20:01 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 89 of 89 minutes on the 22nd and 0 of 89 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25494 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1915: Sunday 22 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": "1915-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1915 falls on Sunday 22 August. Trayodaśī runs from 11:29 on Sun 22 Aug to 09:15 on Mon 23 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-08-22", "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/1915/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-24", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 47, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-08-24T07:16:52+08:00", "utc": "1915-08-23T23:16:52Z", "ms": -1715388188139.0483 }, "end": { "local": "1915-08-25T05:40:04+08:00", "utc": "1915-08-24T21:40:04Z", "ms": -1715307596484.5032 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1915-08-24T18:25:25+08:00", "utc": "1915-08-24T10:25:25Z", "ms": -1715348074906.4944 }, "end": { "local": "1915-08-25T05:40:04+08:00", "utc": "1915-08-24T21:40:04Z", "ms": -1715307596484.5032 } }, "kaala": "day", "days": [ { "local_date": "1915-08-24", "window": { "start": { "local": "1915-08-24T05:38:50+08:00", "utc": "1915-08-23T21:38:50Z", "ms": -1715394070123.2854 }, "end": { "local": "1915-08-25T05:39:16+08:00", "utc": "1915-08-24T21:39:16Z", "ms": -1715307643763.9587 } }, "covered_min": 674, "window_min": 1440, "qualifies": true }, { "local_date": "1915-08-25", "window": { "start": { "local": "1915-08-25T05:39:16+08:00", "utc": "1915-08-24T21:39:16Z", "ms": -1715307643763.9587 }, "end": { "local": "1915-08-26T05:39:42+08:00", "utc": "1915-08-25T21:39:42Z", "ms": -1715221217587.5618 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:17 on Tue 24 Aug to 05:40 on Wed 25 Aug. Its second half begins at 18:25 on Tue 24 Aug.", "fact": "1915-08-23T23:16:52Z → 1915-08-24T21:40:04Z · second half from 1915-08-24T10:25:25Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:39 on the 24th, and from 05:39 on the 25th.", "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 674 of 1440 minutes on the 24th and 1 of 1440 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 47 s < 300 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Fuzhou, 1915: Tuesday 24 August.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "1915-08-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-24", "confidence": "boundary" } ], "quote": "In Fuzhou, Rakṣā Bandhana (Rakhi) 1915 falls on Tuesday 24 August. The second half of Pūrṇimā runs from 18:25 on Tue 24 Aug to 05:40 on Wed 25 Aug and falls on two days: 674 minutes of it on the 24th, 1 on the 25th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested. It is 0 min 47 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15860, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-08-24T07:16:52+08:00", "utc": "1915-08-23T23:16:52Z", "ms": -1715388188139.0483 }, "end": { "local": "1915-08-25T05:40:04+08:00", "utc": "1915-08-24T21:40:04Z", "ms": -1715307596484.5032 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1915-08-24T07:16:52+08:00", "utc": "1915-08-23T23:16:52Z", "ms": -1715388188139.0483 }, "end": { "local": "1915-08-25T05:40:04+08:00", "utc": "1915-08-24T21:40:04Z", "ms": -1715307596484.5032 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-08-24", "window": { "start": { "local": "1915-08-24T11:41:11+08:00", "utc": "1915-08-24T03:41:11Z", "ms": -1715372328608.016 }, "end": { "local": "1915-08-24T12:29:11+08:00", "utc": "1915-08-24T04:29:11Z", "ms": -1715369448608.016 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-08-25", "window": { "start": { "local": "1915-08-25T11:40:56+08:00", "utc": "1915-08-25T03:40:56Z", "ms": -1715285944407.688 }, "end": { "local": "1915-08-25T12:28:56+08:00", "utc": "1915-08-25T04:28:56Z", "ms": -1715283064407.688 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:17 on Tue 24 Aug to 05:40 on Wed 25 Aug.", "fact": "1915-08-23T23:16:52Z → 1915-08-24T21:40:04Z" }, { "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": "Pūrṇimā 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: unstated → only-day · margin 15860 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Fuzhou, 1915: Tuesday 24 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": "1915-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Tarpaṇa 1915 falls on Tuesday 24 August. Pūrṇimā runs from 07:17 on Tue 24 Aug to 05:40 on Wed 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31030, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1915-08-26T04:30:29+08:00", "utc": "1915-08-25T20:30:29Z", "ms": -1715225371256.2925 }, "end": { "local": "1915-08-27T03:53:24+08:00", "utc": "1915-08-26T19:53:24Z", "ms": -1715141195761.0645 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-08-26T04:30:29+08:00", "utc": "1915-08-25T20:30:29Z", "ms": -1715225371256.2925 }, "end": { "local": "1915-08-27T03:53:24+08:00", "utc": "1915-08-26T19:53:24Z", "ms": -1715141195761.0645 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-08-25", "window": { "start": { "local": "1915-08-25T18:43:44+08:00", "utc": "1915-08-25T10:43:44Z", "ms": -1715260575559.021 }, "end": { "local": "1915-08-25T18:43:44+08:00", "utc": "1915-08-25T10:43:44Z", "ms": -1715260575559.021 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-08-26", "window": { "start": { "local": "1915-08-26T19:16:14+08:00", "utc": "1915-08-26T11:16:14Z", "ms": -1715172225829.86 }, "end": { "local": "1915-08-26T19:16:14+08:00", "utc": "1915-08-26T11:16:14Z", "ms": -1715172225829.86 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 04:30 on Thu 26 Aug to 03:53 on Fri 27 Aug.", "fact": "1915-08-25T20:30:29Z → 1915-08-26T19:53:24Z" }, { "step": "kaala", "text": "Moonrise is at 18:44 on the 25th and 19:16 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31030 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Fuzhou, 1915: Thursday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata 1915 falls on Thursday 26 August. Dvitīyā runs from 04:30 on Thu 26 Aug to 03:53 on Fri 27 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28019, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1915-08-27T03:53:24+08:00", "utc": "1915-08-26T19:53:24Z", "ms": -1715141195761.0645 }, "end": { "local": "1915-08-28T03:52:50+08:00", "utc": "1915-08-27T19:52:50Z", "ms": -1715054830031.0142 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-08-27T03:53:24+08:00", "utc": "1915-08-26T19:53:24Z", "ms": -1715141195761.0645 }, "end": { "local": "1915-08-28T03:52:50+08:00", "utc": "1915-08-27T19:52:50Z", "ms": -1715054830031.0142 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-08-27", "window": { "start": { "local": "1915-08-27T11:40:23+08:00", "utc": "1915-08-27T03:40:23Z", "ms": -1715113177249.944 }, "end": { "local": "1915-08-27T12:28:23+08:00", "utc": "1915-08-27T04:28:23Z", "ms": -1715110297249.944 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-08-28", "window": { "start": { "local": "1915-08-28T11:40:06+08:00", "utc": "1915-08-28T03:40:06Z", "ms": -1715026794256.5159 }, "end": { "local": "1915-08-28T12:28:06+08:00", "utc": "1915-08-28T04:28:06Z", "ms": -1715023914256.5159 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 03:53 on Fri 27 Aug to 03:53 on Sat 28 Aug.", "fact": "1915-08-26T19:53:24Z → 1915-08-27T19:52:50Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28019 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Fuzhou, 1915: Friday 27 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": "1915-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Kajjalī Tṛtīyā (Kajari Teej) 1915 falls on Friday 27 August. Tṛtīyā runs from 03:53 on Fri 27 Aug to 03:53 on Sat 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33853, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-08-28T03:52:50+08:00", "utc": "1915-08-27T19:52:50Z", "ms": -1715054830031.0142 }, "end": { "local": "1915-08-29T04:30:39+08:00", "utc": "1915-08-28T20:30:39Z", "ms": -1714966160663.9443 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-08-28T03:52:50+08:00", "utc": "1915-08-27T19:52:50Z", "ms": -1715054830031.0142 }, "end": { "local": "1915-08-29T04:30:39+08:00", "utc": "1915-08-28T20:30:39Z", "ms": -1714966160663.9443 } }, "kaala": "sayahna", "days": [ { "local_date": "1915-08-27", "window": { "start": { "local": "1915-08-27T15:54:55+08:00", "utc": "1915-08-27T07:54:55Z", "ms": -1715097904649.0437 }, "end": { "local": "1915-08-27T18:28:37+08:00", "utc": "1915-08-27T10:28:37Z", "ms": -1715088682915.11 } }, "covered_min": 0, "window_min": 154, "qualifies": false }, { "local_date": "1915-08-28", "window": { "start": { "local": "1915-08-28T15:54:13+08:00", "utc": "1915-08-28T07:54:13Z", "ms": -1715011547362.648 }, "end": { "local": "1915-08-28T18:27:37+08:00", "utc": "1915-08-28T10:27:37Z", "ms": -1715002342766.7358 } }, "covered_min": 153, "window_min": 153, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:53 on Sat 28 Aug to 04:31 on Sun 29 Aug.", "fact": "1915-08-27T19:52:50Z → 1915-08-28T20:30:39Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:55–18:29 on the 27th, 15:54–18:28 on the 28th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 154 minutes on the 27th and 153 of 153 on the 28th.", "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 33853 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Fuzhou, 1915: Saturday 28 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": "1915-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Bahulā Caturthī 1915 falls on Saturday 28 August. Caturthī runs from 03:53 on Sat 28 Aug to 04:31 on Sun 29 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/sankashta-chaturthi?on=1915-08-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29110, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-08-28T03:52:50+08:00", "utc": "1915-08-27T19:52:50Z", "ms": -1715054830031.0142 }, "end": { "local": "1915-08-29T04:30:39+08:00", "utc": "1915-08-28T20:30:39Z", "ms": -1714966160663.9443 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-08-28T03:52:50+08:00", "utc": "1915-08-27T19:52:50Z", "ms": -1715054830031.0142 }, "end": { "local": "1915-08-29T04:30:39+08:00", "utc": "1915-08-28T20:30:39Z", "ms": -1714966160663.9443 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-08-27", "window": { "start": { "local": "1915-08-27T19:47:40+08:00", "utc": "1915-08-27T11:47:40Z", "ms": -1715083939689.3816 }, "end": { "local": "1915-08-27T19:47:40+08:00", "utc": "1915-08-27T11:47:40Z", "ms": -1715083939689.3816 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-08-28", "window": { "start": { "local": "1915-08-28T20:19:21+08:00", "utc": "1915-08-28T12:19:21Z", "ms": -1714995638943.978 }, "end": { "local": "1915-08-28T20:19:21+08:00", "utc": "1915-08-28T12:19:21Z", "ms": -1714995638943.978 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:53 on Sat 28 Aug to 04:31 on Sun 29 Aug.", "fact": "1915-08-27T19:52:50Z → 1915-08-28T20:30:39Z" }, { "step": "kaala", "text": "Moonrise is at 19:48 on the 27th and 20:19 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.", "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 29110 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1915: Saturday 28 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": "1915-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1915 falls on Saturday 28 August. Caturthī runs from 03:53 on Sat 28 Aug to 04:31 on Sun 29 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-08-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14745, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1915-08-30T05:45:47+08:00", "utc": "1915-08-29T21:45:47Z", "ms": -1714875253032.07 }, "end": { "local": "1915-08-31T07:33:28+08:00", "utc": "1915-08-30T23:33:28Z", "ms": -1714782392299.6685 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-08-30T05:45:47+08:00", "utc": "1915-08-29T21:45:47Z", "ms": -1714875253032.07 }, "end": { "local": "1915-08-31T07:33:28+08:00", "utc": "1915-08-30T23:33:28Z", "ms": -1714782392299.6685 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-08-30", "window": { "start": { "local": "1915-08-30T11:39:31+08:00", "utc": "1915-08-30T03:39:31Z", "ms": -1714854029351.849 }, "end": { "local": "1915-08-30T12:27:31+08:00", "utc": "1915-08-30T04:27:31Z", "ms": -1714851149351.849 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-08-31", "window": { "start": { "local": "1915-08-31T11:39:13+08:00", "utc": "1915-08-31T03:39:13Z", "ms": -1714767647405.9417 }, "end": { "local": "1915-08-31T12:27:13+08:00", "utc": "1915-08-31T04:27:13Z", "ms": -1714764767405.9417 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:46 on Mon 30 Aug to 07:33 on Tue 31 Aug.", "fact": "1915-08-29T21:45:47Z → 1915-08-30T23:33:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 30th, 11:39–12:27 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14745 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Fuzhou, 1915: Monday 30 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": "1915-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Hala Ṣaṣṭhī 1915 falls on Monday 30 August. Ṣaṣṭhī runs from 05:46 on Mon 30 Aug to 07:33 on Tue 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6829, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1915-08-31T07:33:28+08:00", "utc": "1915-08-30T23:33:28Z", "ms": -1714782392299.6685 }, "end": { "local": "1915-09-01T09:45:06+08:00", "utc": "1915-09-01T01:45:06Z", "ms": -1714688094414.7144 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-08-31T07:33:28+08:00", "utc": "1915-08-30T23:33:28Z", "ms": -1714782392299.6685 }, "end": { "local": "1915-09-01T09:45:06+08:00", "utc": "1915-09-01T01:45:06Z", "ms": -1714688094414.7144 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-08-31", "window": { "start": { "local": "1915-08-31T11:39:13+08:00", "utc": "1915-08-31T03:39:13Z", "ms": -1714767647405.9417 }, "end": { "local": "1915-08-31T12:27:13+08:00", "utc": "1915-08-31T04:27:13Z", "ms": -1714764767405.9417 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-09-01", "window": { "start": { "local": "1915-09-01T11:38:54+08:00", "utc": "1915-09-01T03:38:54Z", "ms": -1714681265774.9487 }, "end": { "local": "1915-09-01T12:26:54+08:00", "utc": "1915-09-01T04:26:54Z", "ms": -1714678385774.9487 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:33 on Tue 31 Aug to 09:45 on Wed 1 Sep.", "fact": "1915-08-30T23:33:28Z → 1915-09-01T01:45:06Z" }, { "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": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6829 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Fuzhou, 1915: Tuesday 31 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": "1915-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-08-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalā Saptamī 1915 falls on Tuesday 31 August. Saptamī runs from 07:33 on Tue 31 Aug to 09:45 on Wed 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33460, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1915-09-01T09:45:06+08:00", "utc": "1915-09-01T01:45:06Z", "ms": -1714688094414.7144 }, "end": { "local": "1915-09-02T12:08:50+08:00", "utc": "1915-09-02T04:08:50Z", "ms": -1714593070306.5164 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-01T09:45:06+08:00", "utc": "1915-09-01T01:45:06Z", "ms": -1714688094414.7144 }, "end": { "local": "1915-09-02T12:08:50+08:00", "utc": "1915-09-02T04:08:50Z", "ms": -1714593070306.5164 } }, "kaala": "nishita", "days": [ { "local_date": "1915-08-31", "window": { "start": { "local": "1915-08-31T23:39:25+08:00", "utc": "1915-08-31T15:39:25Z", "ms": -1714724434771.5376 }, "end": { "local": "1915-09-01T00:27:25+08:00", "utc": "1915-08-31T16:27:25Z", "ms": -1714721554771.5376 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-09-01", "window": { "start": { "local": "1915-09-01T23:39:07+08:00", "utc": "1915-09-01T15:39:07Z", "ms": -1714638053201.4575 }, "end": { "local": "1915-09-02T00:27:07+08:00", "utc": "1915-09-01T16:27:07Z", "ms": -1714635173201.4575 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:45 on Wed 1 Sep to 12:09 on Thu 2 Sep.", "fact": "1915-09-01T01:45:06Z → 1915-09-02T04:08:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 31st, 23:39–00:27 on the 1st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33460 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Fuzhou, 1915: Wednesday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Janmāṣṭamī 1915 falls on Wednesday 1 September. Aṣṭamī runs from 09:45 on Wed 1 Sep to 12:09 on Thu 2 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-09-05", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39273, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-09-04T16:38:05+08:00", "utc": "1915-09-04T08:38:05Z", "ms": -1714404115367.75 }, "end": { "local": "1915-09-05T18:18:37+08:00", "utc": "1915-09-05T10:18:37Z", "ms": -1714311683249.8682 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-04T16:38:05+08:00", "utc": "1915-09-04T08:38:05Z", "ms": -1714404115367.75 }, "end": { "local": "1915-09-05T18:18:37+08:00", "utc": "1915-09-05T10:18:37Z", "ms": -1714311683249.8682 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-09-04", "window": { "start": { "local": "1915-09-04T05:43:31+08:00", "utc": "1915-09-03T21:43:31Z", "ms": -1714443388751.7046 }, "end": { "local": "1915-09-04T05:43:31+08:00", "utc": "1915-09-03T21:43:31Z", "ms": -1714443388751.7046 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-09-05", "window": { "start": { "local": "1915-09-05T05:43:56+08:00", "utc": "1915-09-04T21:43:56Z", "ms": -1714356963922.9717 }, "end": { "local": "1915-09-05T05:43:56+08:00", "utc": "1915-09-04T21:43:56Z", "ms": -1714356963922.9717 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:38 on Sat 4 Sep to 18:19 on Sun 5 Sep.", "fact": "1915-09-04T08:38:05Z → 1915-09-05T10:18:37Z" }, { "step": "kaala", "text": "Sunrise is at 05:44 on the 4th and 05:44 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39273 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Fuzhou, 1915: Sunday 5 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": "1915-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Ajā Ekādaśī 1915 falls on Sunday 5 September. Ekādaśī runs from 16:38 on Sat 4 Sep to 18:19 on Sun 5 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-09-05", "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/1915/pradosha-vrata?on=1915-09-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-07", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 180, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-09-06T19:24:35+08:00", "utc": "1915-09-06T11:24:35Z", "ms": -1714221325151.3508 }, "end": { "local": "1915-09-07T19:51:55+08:00", "utc": "1915-09-07T11:51:55Z", "ms": -1714133285350.3342 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-06T19:24:35+08:00", "utc": "1915-09-06T11:24:35Z", "ms": -1714221325151.3508 }, "end": { "local": "1915-09-07T19:51:55+08:00", "utc": "1915-09-07T11:51:55Z", "ms": -1714133285350.3342 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-09-06", "window": { "start": { "local": "1915-09-06T18:18:16+08:00", "utc": "1915-09-06T10:18:16Z", "ms": -1714225304338.9612 }, "end": { "local": "1915-09-06T19:49:48+08:00", "utc": "1915-09-06T11:49:48Z", "ms": -1714219812364.473 } }, "covered_min": 25, "window_min": 92, "qualifies": true }, { "local_date": "1915-09-07", "window": { "start": { "local": "1915-09-07T18:17:11+08:00", "utc": "1915-09-07T10:17:11Z", "ms": -1714138968817.793 }, "end": { "local": "1915-09-07T19:48:55+08:00", "utc": "1915-09-07T11:48:55Z", "ms": -1714133464968.9883 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:25 on Mon 6 Sep to 19:52 on Tue 7 Sep.", "fact": "1915-09-06T11:24:35Z → 1915-09-07T11:51:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:50 on the 6th, 18:17–19:49 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 25 of 92 minutes on the 6th and 92 of 92 on the 7th.", "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 180 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1915: Tuesday 7 September.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-09-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-07", "confidence": "boundary" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1915 falls on Tuesday 7 September. Trayodaśī runs from 19:25 on Mon 6 Sep to 19:52 on Tue 7 Sep and covers all of pradoṣa that evening. It also reaches the previous evening for 25 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 00 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-09-07", "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/1915/shivaratri?on=1915-09-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13516, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-09-07T19:51:55+08:00", "utc": "1915-09-07T11:51:55Z", "ms": -1714133285350.3342 }, "end": { "local": "1915-09-08T19:40:15+08:00", "utc": "1915-09-08T11:40:15Z", "ms": -1714047584632.724 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-07T19:51:55+08:00", "utc": "1915-09-07T11:51:55Z", "ms": -1714133285350.3342 }, "end": { "local": "1915-09-08T19:40:15+08:00", "utc": "1915-09-08T11:40:15Z", "ms": -1714047584632.724 } }, "kaala": "nishita", "days": [ { "local_date": "1915-09-07", "window": { "start": { "local": "1915-09-07T23:37:11+08:00", "utc": "1915-09-07T15:37:11Z", "ms": -1714119769384.7754 }, "end": { "local": "1915-09-08T00:25:11+08:00", "utc": "1915-09-07T16:25:11Z", "ms": -1714116889384.7754 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-09-08", "window": { "start": { "local": "1915-09-08T23:36:50+08:00", "utc": "1915-09-08T15:36:50Z", "ms": -1714033389532.9233 }, "end": { "local": "1915-09-09T00:24:50+08:00", "utc": "1915-09-08T16:24:50Z", "ms": -1714030509532.9233 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:52 on Tue 7 Sep to 19:40 on Wed 8 Sep.", "fact": "1915-09-07T11:51:55Z → 1915-09-08T11:40:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:37–00:25 on the 7th, 23:37–00:25 on the 8th.", "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 7th and 0 of 48 on the 8th.", "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 13516 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1915: Tuesday 7 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": "1915-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1915 falls on Tuesday 7 September. Caturdaśī runs from 19:52 on Tue 7 Sep to 19:40 on Wed 8 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1915/shivaratri?on=1915-09-07", "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/1915/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-08", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 180, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-09-07T19:51:55+08:00", "utc": "1915-09-07T11:51:55Z", "ms": -1714133285350.3342 }, "end": { "local": "1915-09-08T19:40:15+08:00", "utc": "1915-09-08T11:40:15Z", "ms": -1714047584632.724 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-07T19:51:55+08:00", "utc": "1915-09-07T11:51:55Z", "ms": -1714133285350.3342 }, "end": { "local": "1915-09-08T19:40:15+08:00", "utc": "1915-09-08T11:40:15Z", "ms": -1714047584632.724 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-09-07", "window": { "start": { "local": "1915-09-07T18:17:11+08:00", "utc": "1915-09-07T10:17:11Z", "ms": -1714138968817.793 }, "end": { "local": "1915-09-07T19:48:55+08:00", "utc": "1915-09-07T11:48:55Z", "ms": -1714133464968.9883 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "1915-09-08", "window": { "start": { "local": "1915-09-08T18:16:06+08:00", "utc": "1915-09-08T10:16:06Z", "ms": -1714052633623.4202 }, "end": { "local": "1915-09-08T19:48:02+08:00", "utc": "1915-09-08T11:48:02Z", "ms": -1714047117865.9543 } }, "covered_min": 84, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:52 on Tue 7 Sep to 19:40 on Wed 8 Sep.", "fact": "1915-09-07T11:51:55Z → 1915-09-08T11:40:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:49 on the 7th, 18:16–19:48 on the 8th.", "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 92 minutes on the 7th and 84 of 92 on the 8th.", "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 180 s < 300 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Fuzhou, 1915: Wednesday 8 September.", "fact": "confidence: boundary (margin)" } ], "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": "1915-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-08", "confidence": "boundary" } ], "quote": "In Fuzhou, Aghora Caturdaśī 1915 falls on Wednesday 8 September. Caturdaśī runs from 19:52 on Tue 7 Sep to 19:40 on Wed 8 Sep and covers 84 of 92 minutes of pradoṣa that evening. It is 3 min 00 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18534, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1915-09-09T18:52:18+08:00", "utc": "1915-09-09T10:52:18Z", "ms": -1713964062246.4968 }, "end": { "local": "1915-09-10T17:32:51+08:00", "utc": "1915-09-10T09:32:51Z", "ms": -1713882428646.2239 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-09T18:52:18+08:00", "utc": "1915-09-09T10:52:18Z", "ms": -1713964062246.4968 }, "end": { "local": "1915-09-10T17:32:51+08:00", "utc": "1915-09-10T09:32:51Z", "ms": -1713882428646.2239 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-09-09", "window": { "start": { "local": "1915-09-09T11:36:18+08:00", "utc": "1915-09-09T03:36:18Z", "ms": -1713990222087.4844 }, "end": { "local": "1915-09-09T12:24:18+08:00", "utc": "1915-09-09T04:24:18Z", "ms": -1713987342087.4844 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-09-10", "window": { "start": { "local": "1915-09-10T11:35:57+08:00", "utc": "1915-09-10T03:35:57Z", "ms": -1713903842558.8374 }, "end": { "local": "1915-09-10T12:23:57+08:00", "utc": "1915-09-10T04:23:57Z", "ms": -1713900962558.8374 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:52 on Thu 9 Sep to 17:33 on Fri 10 Sep.", "fact": "1915-09-09T10:52:18Z → 1915-09-10T09:32:51Z" }, { "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": "Pratipadā 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18534 s" }, { "step": "ruling", "text": "Rudra Vrata, Fuzhou, 1915: Friday 10 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Rudra Vrata 1915 falls on Friday 10 September. Pratipadā runs from 18:52 on Thu 9 Sep to 17:33 on Fri 10 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4877, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1915-09-11T15:48:03+08:00", "utc": "1915-09-11T07:48:03Z", "ms": -1713802316886.7554 }, "end": { "local": "1915-09-12T13:44:33+08:00", "utc": "1915-09-12T05:44:33Z", "ms": -1713723326767.0952 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-11T15:48:03+08:00", "utc": "1915-09-11T07:48:03Z", "ms": -1713802316886.7554 }, "end": { "local": "1915-09-12T13:44:33+08:00", "utc": "1915-09-12T05:44:33Z", "ms": -1713723326767.0952 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-09-11", "window": { "start": { "local": "1915-09-11T11:35:37+08:00", "utc": "1915-09-11T03:35:37Z", "ms": -1713817463186.8247 }, "end": { "local": "1915-09-11T12:23:37+08:00", "utc": "1915-09-11T04:23:37Z", "ms": -1713814583186.8247 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-09-12", "window": { "start": { "local": "1915-09-12T11:35:16+08:00", "utc": "1915-09-12T03:35:16Z", "ms": -1713731083956.2278 }, "end": { "local": "1915-09-12T12:23:16+08:00", "utc": "1915-09-12T04:23:16Z", "ms": -1713728203956.2278 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:48 on Sat 11 Sep to 13:45 on Sun 12 Sep.", "fact": "1915-09-11T07:48:03Z → 1915-09-12T05:44:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 11th, 11:35–12:23 on the 12th.", "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 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: paraviddha → only-day · margin 4877 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Fuzhou, 1915: Sunday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Haritālikā Vrata (Hartalika Teej) 1915 falls on Sunday 12 September. Tṛtīyā runs from 15:48 on Sat 11 Sep to 13:45 on Sun 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 355, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-09-12T13:44:33+08:00", "utc": "1915-09-12T05:44:33Z", "ms": -1713723326767.0952 }, "end": { "local": "1915-09-13T11:29:00+08:00", "utc": "1915-09-13T03:29:00Z", "ms": -1713645060101.3733 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-12T13:44:33+08:00", "utc": "1915-09-12T05:44:33Z", "ms": -1713723326767.0952 }, "end": { "local": "1915-09-13T11:29:00+08:00", "utc": "1915-09-13T03:29:00Z", "ms": -1713645060101.3733 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-09-12", "window": { "start": { "local": "1915-09-12T11:35:16+08:00", "utc": "1915-09-12T03:35:16Z", "ms": -1713731083956.2278 }, "end": { "local": "1915-09-12T12:23:16+08:00", "utc": "1915-09-12T04:23:16Z", "ms": -1713728203956.2278 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-09-13", "window": { "start": { "local": "1915-09-13T11:34:55+08:00", "utc": "1915-09-13T03:34:55Z", "ms": -1713644704852.4302 }, "end": { "local": "1915-09-13T12:22:55+08:00", "utc": "1915-09-13T04:22:55Z", "ms": -1713641824852.4302 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:45 on Sun 12 Sep to 11:29 on Mon 13 Sep.", "fact": "1915-09-12T05:44:33Z → 1915-09-13T03:29:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 12th, 11:35–12:23 on the 13th.", "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 12th and 0 of 48 on the 13th.", "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 355 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Fuzhou, 1915: Monday 13 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Caturthī 1915 falls on Monday 13 September. Caturthī runs from 13:45 on Sun 12 Sep to 11:29 on Mon 13 Sep, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 355, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1915-09-13T11:29:00+08:00", "utc": "1915-09-13T03:29:00Z", "ms": -1713645060101.3733 }, "end": { "local": "1915-09-14T09:07:33+08:00", "utc": "1915-09-14T01:07:33Z", "ms": -1713567147370.8481 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-13T11:29:00+08:00", "utc": "1915-09-13T03:29:00Z", "ms": -1713645060101.3733 }, "end": { "local": "1915-09-14T09:07:33+08:00", "utc": "1915-09-14T01:07:33Z", "ms": -1713567147370.8481 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-09-13", "window": { "start": { "local": "1915-09-13T11:34:55+08:00", "utc": "1915-09-13T03:34:55Z", "ms": -1713644704852.4302 }, "end": { "local": "1915-09-13T12:22:55+08:00", "utc": "1915-09-13T04:22:55Z", "ms": -1713641824852.4302 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-09-14", "window": { "start": { "local": "1915-09-14T11:34:34+08:00", "utc": "1915-09-14T03:34:34Z", "ms": -1713558325858.664 }, "end": { "local": "1915-09-14T12:22:34+08:00", "utc": "1915-09-14T04:22:34Z", "ms": -1713555445858.664 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:29 on Mon 13 Sep to 09:08 on Tue 14 Sep.", "fact": "1915-09-13T03:29:00Z → 1915-09-14T01:07:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 13th, 11:35–12:23 on the 14th.", "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 13th and 0 of 48 on the 14th.", "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 355 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Fuzhou, 1915: Monday 13 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Pañcamī 1915 falls on Monday 13 September. Pañcamī runs from 11:29 on Mon 13 Sep to 09:08 on Tue 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8822, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1915-09-14T09:07:33+08:00", "utc": "1915-09-14T01:07:33Z", "ms": -1713567147370.8481 }, "end": { "local": "1915-09-15T06:45:34+08:00", "utc": "1915-09-14T22:45:34Z", "ms": -1713489266189.3115 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-14T09:07:33+08:00", "utc": "1915-09-14T01:07:33Z", "ms": -1713567147370.8481 }, "end": { "local": "1915-09-15T06:45:34+08:00", "utc": "1915-09-14T22:45:34Z", "ms": -1713489266189.3115 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-09-14", "window": { "start": { "local": "1915-09-14T11:34:34+08:00", "utc": "1915-09-14T03:34:34Z", "ms": -1713558325858.664 }, "end": { "local": "1915-09-14T12:22:34+08:00", "utc": "1915-09-14T04:22:34Z", "ms": -1713555445858.664 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-09-15", "window": { "start": { "local": "1915-09-15T11:34:13+08:00", "utc": "1915-09-15T03:34:13Z", "ms": -1713471946958.3088 }, "end": { "local": "1915-09-15T12:22:13+08:00", "utc": "1915-09-15T04:22:13Z", "ms": -1713469066958.3088 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:08 on Tue 14 Sep to 06:46 on Wed 15 Sep.", "fact": "1915-09-14T01:07:33Z → 1915-09-14T22:45:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 14th, 11:34–12:22 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8822 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Fuzhou, 1915: Tuesday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Bhādrapada) 1915 falls on Tuesday 14 September. Ṣaṣṭhī runs from 09:08 on Tue 14 Sep to 06:46 on Wed 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17319, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1915-09-15T06:45:34+08:00", "utc": "1915-09-14T22:45:34Z", "ms": -1713489266189.3115 }, "end": { "local": "1915-09-16T04:27:29+08:00", "utc": "1915-09-15T20:27:29Z", "ms": -1713411151450.4514 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-15T06:45:34+08:00", "utc": "1915-09-14T22:45:34Z", "ms": -1713489266189.3115 }, "end": { "local": "1915-09-16T04:27:29+08:00", "utc": "1915-09-15T20:27:29Z", "ms": -1713411151450.4514 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-09-15", "window": { "start": { "local": "1915-09-15T11:34:13+08:00", "utc": "1915-09-15T03:34:13Z", "ms": -1713471946958.3088 }, "end": { "local": "1915-09-15T12:22:13+08:00", "utc": "1915-09-15T04:22:13Z", "ms": -1713469066958.3088 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-09-16", "window": { "start": { "local": "1915-09-16T11:33:52+08:00", "utc": "1915-09-16T03:33:52Z", "ms": -1713385568133.4878 }, "end": { "local": "1915-09-16T12:21:52+08:00", "utc": "1915-09-16T04:21:52Z", "ms": -1713382688133.4878 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:46 on Wed 15 Sep to 04:27 on Thu 16 Sep.", "fact": "1915-09-14T22:45:34Z → 1915-09-15T20:27:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 15th, 11:34–12:22 on the 16th.", "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 15th and 0 of 48 on the 16th.", "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 17319 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Fuzhou, 1915: Wednesday 15 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Muktābharaṇa Vrata 1915 falls on Wednesday 15 September. Saptamī runs from 06:46 on Wed 15 Sep to 04:27 on Thu 16 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25583, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1915-09-16T04:27:29+08:00", "utc": "1915-09-15T20:27:29Z", "ms": -1713411151450.4514 }, "end": { "local": "1915-09-17T02:16:43+08:00", "utc": "1915-09-16T18:16:43Z", "ms": -1713332596584.5847 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-16T04:27:29+08:00", "utc": "1915-09-15T20:27:29Z", "ms": -1713411151450.4514 }, "end": { "local": "1915-09-17T02:16:43+08:00", "utc": "1915-09-16T18:16:43Z", "ms": -1713332596584.5847 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-09-16", "window": { "start": { "local": "1915-09-16T11:33:52+08:00", "utc": "1915-09-16T03:33:52Z", "ms": -1713385568133.4878 }, "end": { "local": "1915-09-16T12:21:52+08:00", "utc": "1915-09-16T04:21:52Z", "ms": -1713382688133.4878 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-09-17", "window": { "start": { "local": "1915-09-17T11:33:31+08:00", "utc": "1915-09-17T03:33:31Z", "ms": -1713299189365.2356 }, "end": { "local": "1915-09-17T12:21:31+08:00", "utc": "1915-09-17T04:21:31Z", "ms": -1713296309365.2356 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:27 on Thu 16 Sep to 02:17 on Fri 17 Sep.", "fact": "1915-09-15T20:27:29Z → 1915-09-16T18:16:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 16th, 11:34–12:22 on the 17th.", "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 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25583 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Fuzhou, 1915: Thursday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Rādhāṣṭamī 1915 falls on Thursday 16 September. Aṣṭamī runs from 04:27 on Thu 16 Sep to 02:17 on Fri 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-09-19", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26555, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-09-18T22:27:03+08:00", "utc": "1915-09-18T14:27:03Z", "ms": -1713173577345.1487 }, "end": { "local": "1915-09-19T20:51:56+08:00", "utc": "1915-09-19T12:51:56Z", "ms": -1713092883619.111 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-18T22:27:03+08:00", "utc": "1915-09-18T14:27:03Z", "ms": -1713173577345.1487 }, "end": { "local": "1915-09-19T20:51:56+08:00", "utc": "1915-09-19T12:51:56Z", "ms": -1713092883619.111 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-09-19", "window": { "start": { "local": "1915-09-19T05:49:38+08:00", "utc": "1915-09-18T21:49:38Z", "ms": -1713147022464.7136 }, "end": { "local": "1915-09-19T05:49:38+08:00", "utc": "1915-09-18T21:49:38Z", "ms": -1713147022464.7136 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-09-20", "window": { "start": { "local": "1915-09-20T05:50:02+08:00", "utc": "1915-09-19T21:50:02Z", "ms": -1713060598152.2717 }, "end": { "local": "1915-09-20T05:50:02+08:00", "utc": "1915-09-19T21:50:02Z", "ms": -1713060598152.2717 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:27 on Sat 18 Sep to 20:52 on Sun 19 Sep.", "fact": "1915-09-18T14:27:03Z → 1915-09-19T12:51:56Z" }, { "step": "kaala", "text": "Sunrise is at 05:50 on the 19th and 05:50 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26555 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Fuzhou, 1915: Sunday 19 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": "1915-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Parivartanī Ekādaśī 1915 falls on Sunday 19 September. Ekādaśī runs from 22:27 on Sat 18 Sep to 20:52 on Sun 19 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-09-19", "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/1915/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25925, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1915-09-19T20:51:56+08:00", "utc": "1915-09-19T12:51:56Z", "ms": -1713092883619.111 }, "end": { "local": "1915-09-20T19:32:32+08:00", "utc": "1915-09-20T11:32:32Z", "ms": -1713011247928.2776 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-19T20:51:56+08:00", "utc": "1915-09-19T12:51:56Z", "ms": -1713092883619.111 }, "end": { "local": "1915-09-20T19:32:32+08:00", "utc": "1915-09-20T11:32:32Z", "ms": -1713011247928.2776 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-09-19", "window": { "start": { "local": "1915-09-19T11:32:48+08:00", "utc": "1915-09-19T03:32:48Z", "ms": -1713126431917.059 }, "end": { "local": "1915-09-19T12:20:48+08:00", "utc": "1915-09-19T04:20:48Z", "ms": -1713123551917.059 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-09-20", "window": { "start": { "local": "1915-09-20T11:32:27+08:00", "utc": "1915-09-20T03:32:27Z", "ms": -1713040053193.871 }, "end": { "local": "1915-09-20T12:20:27+08:00", "utc": "1915-09-20T04:20:27Z", "ms": -1713037173193.871 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:52 on Sun 19 Sep to 19:33 on Mon 20 Sep.", "fact": "1915-09-19T12:51:56Z → 1915-09-20T11:32:32Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25925 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Fuzhou, 1915: Monday 20 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": "1915-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Vāmana Jayantī 1915 falls on Monday 20 September. Dvādaśī runs from 20:52 on Sun 19 Sep to 19:33 on Mon 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/pradosha-vrata?on=1915-09-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-21", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 280, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-09-20T19:32:32+08:00", "utc": "1915-09-20T11:32:32Z", "ms": -1713011247928.2776 }, "end": { "local": "1915-09-21T18:31:12+08:00", "utc": "1915-09-21T10:31:12Z", "ms": -1712928528245.8372 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-20T19:32:32+08:00", "utc": "1915-09-20T11:32:32Z", "ms": -1713011247928.2776 }, "end": { "local": "1915-09-21T18:31:12+08:00", "utc": "1915-09-21T10:31:12Z", "ms": -1712928528245.8372 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-09-20", "window": { "start": { "local": "1915-09-20T18:02:52+08:00", "utc": "1915-09-20T10:02:52Z", "ms": -1713016628235.4707 }, "end": { "local": "1915-09-20T19:37:12+08:00", "utc": "1915-09-20T11:37:12Z", "ms": -1713010967641.421 } }, "covered_min": 5, "window_min": 94, "qualifies": true }, { "local_date": "1915-09-21", "window": { "start": { "local": "1915-09-21T18:01:45+08:00", "utc": "1915-09-21T10:01:45Z", "ms": -1712930295101.8594 }, "end": { "local": "1915-09-21T19:36:18+08:00", "utc": "1915-09-21T11:36:18Z", "ms": -1712924622332.2751 } }, "covered_min": 29, "window_min": 95, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:33 on Mon 20 Sep to 18:31 on Tue 21 Sep.", "fact": "1915-09-20T11:32:32Z → 1915-09-21T10:31:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:37 on the 20th, 18:02–19:36 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 5 of 94 minutes on the 20th and 29 of 95 on the 21st.", "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 280 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1915: Tuesday 21 September.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-09-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-20", "confidence": "boundary" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1915 falls on Tuesday 21 September. Trayodaśī runs from 19:33 on Mon 20 Sep to 18:31 on Tue 21 Sep and covers 29 of 95 minutes of pradoṣa that evening. It also reaches the previous evening for 5 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 40 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-09-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34442, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-09-21T18:31:12+08:00", "utc": "1915-09-21T10:31:12Z", "ms": -1712928528245.8372 }, "end": { "local": "1915-09-22T17:50:50+08:00", "utc": "1915-09-22T09:50:50Z", "ms": -1712844550180.7866 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1915-09-21T18:31:12+08:00", "utc": "1915-09-21T10:31:12Z", "ms": -1712928528245.8372 }, "end": { "local": "1915-09-22T17:50:50+08:00", "utc": "1915-09-22T09:50:50Z", "ms": -1712844550180.7866 } }, "kaala": "udaya-3", "days": [ { "local_date": "1915-09-21", "window": { "start": { "local": "1915-09-21T05:50:26+08:00", "utc": "1915-09-20T21:50:26Z", "ms": -1712974173780.0964 }, "end": { "local": "1915-09-21T08:16:42+08:00", "utc": "1915-09-21T00:16:42Z", "ms": -1712965398044.449 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "1915-09-22", "window": { "start": { "local": "1915-09-22T05:50:51+08:00", "utc": "1915-09-21T21:50:51Z", "ms": -1712887749329.9773 }, "end": { "local": "1915-09-22T08:16:48+08:00", "utc": "1915-09-22T00:16:48Z", "ms": -1712878991851.9202 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:31 on Tue 21 Sep to 17:51 on Wed 22 Sep.", "fact": "1915-09-21T10:31:12Z → 1915-09-22T09:50:50Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:50–08:17 on the 21st, 05:51–08:17 on the 22nd.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 146 minutes on the 21st and 146 of 146 on the 22nd.", "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 34442 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Fuzhou, 1915: Wednesday 22 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": "1915-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Ananta Caturdaśī 1915 falls on Wednesday 22 September. Caturdaśī runs from 18:31 on Tue 21 Sep to 17:51 on Wed 22 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/sankashta-chaturthi?on=1915-09-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1000, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-09-26T19:41:58+08:00", "utc": "1915-09-26T11:41:58Z", "ms": -1712492281849.2693 }, "end": { "local": "1915-09-27T21:25:49+08:00", "utc": "1915-09-27T13:25:49Z", "ms": -1712399651122.8872 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-09-26T19:41:58+08:00", "utc": "1915-09-26T11:41:58Z", "ms": -1712492281849.2693 }, "end": { "local": "1915-09-27T21:25:49+08:00", "utc": "1915-09-27T13:25:49Z", "ms": -1712399651122.8872 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-09-26", "window": { "start": { "local": "1915-09-26T19:25:19+08:00", "utc": "1915-09-26T11:25:19Z", "ms": -1712493281404.9434 }, "end": { "local": "1915-09-26T19:25:19+08:00", "utc": "1915-09-26T11:25:19Z", "ms": -1712493281404.9434 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-09-27", "window": { "start": { "local": "1915-09-27T20:03:22+08:00", "utc": "1915-09-27T12:03:22Z", "ms": -1712404598264.2083 }, "end": { "local": "1915-09-27T20:03:22+08:00", "utc": "1915-09-27T12:03:22Z", "ms": -1712404598264.2083 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:42 on Sun 26 Sep to 21:26 on Mon 27 Sep.", "fact": "1915-09-26T11:41:58Z → 1915-09-27T13:25:49Z" }, { "step": "kaala", "text": "Moonrise is at 19:25 on the 26th and 20:03 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 26th and is on the 27th.", "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 1000 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1915: Monday 27 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": "1915-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1915 falls on Monday 27 September. Caturthī runs from 19:42 on Sun 26 Sep to 21:26 on Mon 27 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-09-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10181, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1915-09-28T23:35:05+08:00", "utc": "1915-09-28T15:35:05Z", "ms": -1712305494910.9192 }, "end": { "local": "1915-09-30T02:01:03+08:00", "utc": "1915-09-29T18:01:03Z", "ms": -1712210336733.3542 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-09-28T23:35:05+08:00", "utc": "1915-09-28T15:35:05Z", "ms": -1712305494910.9192 }, "end": { "local": "1915-09-30T02:01:03+08:00", "utc": "1915-09-29T18:01:03Z", "ms": -1712210336733.3542 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-09-28", "window": { "start": { "local": "1915-09-28T20:45:25+08:00", "utc": "1915-09-28T12:45:25Z", "ms": -1712315675464.4666 }, "end": { "local": "1915-09-28T20:45:25+08:00", "utc": "1915-09-28T12:45:25Z", "ms": -1712315675464.4666 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-09-29", "window": { "start": { "local": "1915-09-29T21:31:49+08:00", "utc": "1915-09-29T13:31:49Z", "ms": -1712226491214.064 }, "end": { "local": "1915-09-29T21:31:49+08:00", "utc": "1915-09-29T13:31:49Z", "ms": -1712226491214.064 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:35 on Tue 28 Sep to 02:01 on Thu 30 Sep.", "fact": "1915-09-28T15:35:05Z → 1915-09-29T18:01:03Z" }, { "step": "kaala", "text": "Moonrise is at 20:45 on the 28th and 21:32 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 28th and is on the 29th.", "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 10181 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Fuzhou, 1915: Wednesday 29 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": "1915-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-09-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Candra Ṣaṣṭhī 1915 falls on Wednesday 29 September. Ṣaṣṭhī runs from 23:35 on Tue 28 Sep to 02:01 on Thu 30 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32599, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1915-10-01T04:31:29+08:00", "utc": "1915-09-30T20:31:29Z", "ms": -1712114910778.9438 }, "end": { "local": "1915-10-02T06:52:02+08:00", "utc": "1915-10-01T22:52:02Z", "ms": -1712020078256.3872 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-10-01T04:31:29+08:00", "utc": "1915-09-30T20:31:29Z", "ms": -1712114910778.9438 }, "end": { "local": "1915-10-02T06:52:02+08:00", "utc": "1915-10-01T22:52:02Z", "ms": -1712020078256.3872 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-09-30", "window": { "start": { "local": "1915-09-30T17:51:48+08:00", "utc": "1915-09-30T09:51:48Z", "ms": -1712153292129.3147 }, "end": { "local": "1915-09-30T19:28:10+08:00", "utc": "1915-09-30T11:28:10Z", "ms": -1712147509543.0298 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1915-10-01", "window": { "start": { "local": "1915-10-01T17:50:43+08:00", "utc": "1915-10-01T09:50:43Z", "ms": -1712066957407.2002 }, "end": { "local": "1915-10-01T19:27:17+08:00", "utc": "1915-10-01T11:27:17Z", "ms": -1712061162621.689 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:31 on Fri 1 Oct to 06:52 on Sat 2 Oct.", "fact": "1915-09-30T20:31:29Z → 1915-10-01T22:52:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:52–19:28 on the 30th, 17:51–19:27 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 96 minutes on the 30th and 97 of 97 on the 1st.", "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 32599 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Fuzhou, 1915: Friday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Jitāṣṭamī (Jitiya) 1915 falls on Friday 1 October. Aṣṭamī runs from 04:31 on Fri 1 Oct to 06:52 on Sat 2 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22148, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1915-10-01T04:31:29+08:00", "utc": "1915-09-30T20:31:29Z", "ms": -1712114910778.9438 }, "end": { "local": "1915-10-02T06:52:02+08:00", "utc": "1915-10-01T22:52:02Z", "ms": -1712020078256.3872 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-10-01T04:31:29+08:00", "utc": "1915-09-30T20:31:29Z", "ms": -1712114910778.9438 }, "end": { "local": "1915-10-02T06:52:02+08:00", "utc": "1915-10-01T22:52:02Z", "ms": -1712020078256.3872 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-09-30", "window": { "start": { "local": "1915-09-30T22:22:21+08:00", "utc": "1915-09-30T14:22:21Z", "ms": -1712137058606.6135 }, "end": { "local": "1915-09-30T22:22:21+08:00", "utc": "1915-09-30T14:22:21Z", "ms": -1712137058606.6135 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-10-01", "window": { "start": { "local": "1915-10-01T23:16:14+08:00", "utc": "1915-10-01T15:16:14Z", "ms": -1712047426208.5479 }, "end": { "local": "1915-10-01T23:16:14+08:00", "utc": "1915-10-01T15:16:14Z", "ms": -1712047426208.5479 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:31 on Fri 1 Oct to 06:52 on Sat 2 Oct.", "fact": "1915-09-30T20:31:29Z → 1915-10-01T22:52:02Z" }, { "step": "kaala", "text": "Moonrise is at 22:22 on the 30th and 23:16 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 30th and is on the 1st.", "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 22148 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Fuzhou, 1915: Friday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahālakṣmī Vrata Samāpana 1915 falls on Friday 1 October. Aṣṭamī runs from 04:31 on Fri 1 Oct to 06:52 on Sat 2 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-10-05", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15152, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-10-04T10:08:29+08:00", "utc": "1915-10-04T02:08:29Z", "ms": -1711835491415.6477 }, "end": { "local": "1915-10-05T10:44:22+08:00", "utc": "1915-10-05T02:44:22Z", "ms": -1711746937771.2012 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-10-04T10:08:29+08:00", "utc": "1915-10-04T02:08:29Z", "ms": -1711835491415.6477 }, "end": { "local": "1915-10-05T10:44:22+08:00", "utc": "1915-10-05T02:44:22Z", "ms": -1711746937771.2012 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-10-04", "window": { "start": { "local": "1915-10-04T05:55:57+08:00", "utc": "1915-10-03T21:55:57Z", "ms": -1711850643282.0957 }, "end": { "local": "1915-10-04T05:55:57+08:00", "utc": "1915-10-03T21:55:57Z", "ms": -1711850643282.0957 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-10-05", "window": { "start": { "local": "1915-10-05T05:56:24+08:00", "utc": "1915-10-04T21:56:24Z", "ms": -1711764216239.7566 }, "end": { "local": "1915-10-05T05:56:24+08:00", "utc": "1915-10-04T21:56:24Z", "ms": -1711764216239.7566 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:08 on Mon 4 Oct to 10:44 on Tue 5 Oct.", "fact": "1915-10-04T02:08:29Z → 1915-10-05T02:44:22Z" }, { "step": "kaala", "text": "Sunrise is at 05:56 on the 4th and 05:56 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15152 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Fuzhou, 1915: Tuesday 5 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Indirā Ekādaśī 1915 falls on Tuesday 5 October. Ekādaśī runs from 10:08 on Mon 4 Oct to 10:44 on Tue 5 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-10-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/pradosha-vrata?on=1915-10-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25956, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-10-06T10:32:45+08:00", "utc": "1915-10-06T02:32:45Z", "ms": -1711661234870.7893 }, "end": { "local": "1915-10-07T09:34:48+08:00", "utc": "1915-10-07T01:34:48Z", "ms": -1711578311706.6094 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-10-06T10:32:45+08:00", "utc": "1915-10-06T02:32:45Z", "ms": -1711661234870.7893 }, "end": { "local": "1915-10-07T09:34:48+08:00", "utc": "1915-10-07T01:34:48Z", "ms": -1711578311706.6094 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-10-06", "window": { "start": { "local": "1915-10-06T17:45:21+08:00", "utc": "1915-10-06T09:45:21Z", "ms": -1711635278514.0557 }, "end": { "local": "1915-10-06T19:22:57+08:00", "utc": "1915-10-06T11:22:57Z", "ms": -1711629422878.7126 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1915-10-07", "window": { "start": { "local": "1915-10-07T17:44:19+08:00", "utc": "1915-10-07T09:44:19Z", "ms": -1711548941490.9744 }, "end": { "local": "1915-10-07T19:22:06+08:00", "utc": "1915-10-07T11:22:06Z", "ms": -1711543073729.7295 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:33 on Wed 6 Oct to 09:35 on Thu 7 Oct.", "fact": "1915-10-06T02:32:45Z → 1915-10-07T01:34:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:23 on the 6th, 17:44–19:22 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 6th and 0 of 98 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25956 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1915: Wednesday 6 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": "1915-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1915 falls on Wednesday 6 October. Trayodaśī runs from 10:33 on Wed 6 Oct to 09:35 on Thu 7 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-10-06", "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/1915/shivaratri?on=1915-10-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27618, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-10-07T09:34:48+08:00", "utc": "1915-10-07T01:34:48Z", "ms": -1711578311706.6094 }, "end": { "local": "1915-10-08T07:55:21+08:00", "utc": "1915-10-07T23:55:21Z", "ms": -1711497879304.626 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-10-07T09:34:48+08:00", "utc": "1915-10-07T01:34:48Z", "ms": -1711578311706.6094 }, "end": { "local": "1915-10-08T07:55:21+08:00", "utc": "1915-10-07T23:55:21Z", "ms": -1711497879304.626 } }, "kaala": "nishita", "days": [ { "local_date": "1915-10-06", "window": { "start": { "local": "1915-10-06T23:27:20+08:00", "utc": "1915-10-06T15:27:20Z", "ms": -1711614759881.519 }, "end": { "local": "1915-10-07T00:15:20+08:00", "utc": "1915-10-06T16:15:20Z", "ms": -1711611879881.519 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-10-07", "window": { "start": { "local": "1915-10-07T23:27:03+08:00", "utc": "1915-10-07T15:27:03Z", "ms": -1711528377386.3057 }, "end": { "local": "1915-10-08T00:15:03+08:00", "utc": "1915-10-07T16:15:03Z", "ms": -1711525497386.3057 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:35 on Thu 7 Oct to 07:55 on Fri 8 Oct.", "fact": "1915-10-07T01:34:48Z → 1915-10-07T23:55:21Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 6th, 23:27–00:15 on the 7th.", "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 6th and 48 of 48 on the 7th.", "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 27618 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1915: Thursday 7 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": "1915-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1915 falls on Thursday 7 October. Caturdaśī runs from 09:35 on Thu 7 Oct to 07:55 on Fri 8 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1915/shivaratri?on=1915-10-07", "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/1915/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18344, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1915-10-08T07:55:21+08:00", "utc": "1915-10-07T23:55:21Z", "ms": -1711497879304.626 }, "end": { "local": "1915-10-09T05:41:45+08:00", "utc": "1915-10-08T21:41:45Z", "ms": -1711419494696.2422 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-10-08T07:55:21+08:00", "utc": "1915-10-07T23:55:21Z", "ms": -1711497879304.626 }, "end": { "local": "1915-10-09T05:41:45+08:00", "utc": "1915-10-08T21:41:45Z", "ms": -1711419494696.2422 } }, "kaala": "aparahna", "days": [ { "local_date": "1915-10-08", "window": { "start": { "local": "1915-10-08T13:01:04+08:00", "utc": "1915-10-08T05:01:04Z", "ms": -1711479535708.5647 }, "end": { "local": "1915-10-08T15:22:10+08:00", "utc": "1915-10-08T07:22:10Z", "ms": -1711471069850.874 } }, "covered_min": 141, "window_min": 141, "qualifies": true }, { "local_date": "1915-10-09", "window": { "start": { "local": "1915-10-09T13:00:38+08:00", "utc": "1915-10-09T05:00:38Z", "ms": -1711393161593.4119 }, "end": { "local": "1915-10-09T15:21:26+08:00", "utc": "1915-10-09T07:21:26Z", "ms": -1711384713794.926 } }, "covered_min": 0, "window_min": 141, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 07:55 on Fri 8 Oct to 05:42 on Sat 9 Oct.", "fact": "1915-10-07T23:55:21Z → 1915-10-08T21:41:45Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:01–15:22 on the 8th, 13:01–15:21 on the 9th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 141 of 141 minutes on the 8th and 0 of 141 on the 9th.", "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 18344 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Fuzhou, 1915: Friday 8 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahālaya Amāvāsyā 1915 falls on Friday 8 October. Amāvasyā runs from 07:55 on Fri 8 Oct to 05:42 on Sat 9 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20669, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1915-10-09T05:41:45+08:00", "utc": "1915-10-08T21:41:45Z", "ms": -1711419494696.2422 }, "end": { "local": "1915-10-10T03:02:58+08:00", "utc": "1915-10-09T19:02:58Z", "ms": -1711342622467.3745 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-10-09T05:41:45+08:00", "utc": "1915-10-08T21:41:45Z", "ms": -1711419494696.2422 }, "end": { "local": "1915-10-10T03:02:58+08:00", "utc": "1915-10-09T19:02:58Z", "ms": -1711342622467.3745 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-10-09", "window": { "start": { "local": "1915-10-09T11:26:15+08:00", "utc": "1915-10-09T03:26:15Z", "ms": -1711398825492.6548 }, "end": { "local": "1915-10-09T12:14:15+08:00", "utc": "1915-10-09T04:14:15Z", "ms": -1711395945492.6548 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-10-10", "window": { "start": { "local": "1915-10-10T11:25:58+08:00", "utc": "1915-10-10T03:25:58Z", "ms": -1711312441920.4434 }, "end": { "local": "1915-10-10T12:13:58+08:00", "utc": "1915-10-10T04:13:58Z", "ms": -1711309561920.4434 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 05:42 on Sat 9 Oct to 03:03 on Sun 10 Oct.", "fact": "1915-10-08T21:41:45Z → 1915-10-09T19:02:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 9th, 11:26–12:14 on the 10th.", "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 9th and 0 of 48 on the 10th.", "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 20669 s" }, { "step": "ruling", "text": "Navarātrārambha, Fuzhou, 1915: Saturday 9 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Navratri) 1915 falls on Saturday 9 October. Pratipadā runs from 05:42 on Sat 9 Oct to 03:03 on Sun 10 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vinayaka-chaturthi?on=1915-10-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21425, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-10-11T21:08:06+08:00", "utc": "1915-10-11T13:08:06Z", "ms": -1711191114495.81 }, "end": { "local": "1915-10-12T18:10:32+08:00", "utc": "1915-10-12T10:10:32Z", "ms": -1711115367959.1768 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-10-11T21:08:06+08:00", "utc": "1915-10-11T13:08:06Z", "ms": -1711191114495.81 }, "end": { "local": "1915-10-12T18:10:32+08:00", "utc": "1915-10-12T10:10:32Z", "ms": -1711115367959.1768 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-10-11", "window": { "start": { "local": "1915-10-11T11:25:42+08:00", "utc": "1915-10-11T03:25:42Z", "ms": -1711226057905.992 }, "end": { "local": "1915-10-11T12:13:42+08:00", "utc": "1915-10-11T04:13:42Z", "ms": -1711223177905.992 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-10-12", "window": { "start": { "local": "1915-10-12T11:25:27+08:00", "utc": "1915-10-12T03:25:27Z", "ms": -1711139673434.62 }, "end": { "local": "1915-10-12T12:13:27+08:00", "utc": "1915-10-12T04:13:27Z", "ms": -1711136793434.62 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:08 on Mon 11 Oct to 18:11 on Tue 12 Oct.", "fact": "1915-10-11T13:08:06Z → 1915-10-12T10:10:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 11th, 11:25–12:13 on the 12th.", "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 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21425 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1915: Tuesday 12 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": "1915-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1915 falls on Tuesday 12 October. Caturthī runs from 21:08 on Mon 11 Oct to 18:11 on Tue 12 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/vinayaka-chaturthi?on=1915-10-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14315, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1915-10-14T12:54:04+08:00", "utc": "1915-10-14T04:54:04Z", "ms": -1710961555952.2346 }, "end": { "local": "1915-10-15T10:46:07+08:00", "utc": "1915-10-15T02:46:07Z", "ms": -1710882833052.2214 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-10-14T12:54:04+08:00", "utc": "1915-10-14T04:54:04Z", "ms": -1710961555952.2346 }, "end": { "local": "1915-10-15T10:46:07+08:00", "utc": "1915-10-15T02:46:07Z", "ms": -1710882833052.2214 } }, "kaala": "udaya-1", "days": [ { "local_date": "1915-10-14", "window": { "start": { "local": "1915-10-14T06:00:42+08:00", "utc": "1915-10-13T22:00:42Z", "ms": -1710986358424.9668 }, "end": { "local": "1915-10-14T06:47:08+08:00", "utc": "1915-10-13T22:47:08Z", "ms": -1710983572376.3909 } }, "covered_min": 0, "window_min": 46, "qualifies": false }, { "local_date": "1915-10-15", "window": { "start": { "local": "1915-10-15T06:01:12+08:00", "utc": "1915-10-14T22:01:12Z", "ms": -1710899928051.1062 }, "end": { "local": "1915-10-15T06:47:32+08:00", "utc": "1915-10-14T22:47:32Z", "ms": -1710897147927.768 } }, "covered_min": 46, "window_min": 46, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:54 on Thu 14 Oct to 10:46 on Fri 15 Oct.", "fact": "1915-10-14T04:54:04Z → 1915-10-15T02:46:07Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:01–06:47 on the 14th, 06:01–06:48 on the 15th.", "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 46 minutes on the 14th and 46 of 46 on the 15th.", "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 14315 s" }, { "step": "ruling", "text": "Durgā Saptamī, Fuzhou, 1915: Friday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Saptamī 1915 falls on Friday 15 October. Saptamī runs from 12:54 on Thu 14 Oct to 10:46 on Fri 15 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2316, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1915-10-15T10:46:07+08:00", "utc": "1915-10-15T02:46:07Z", "ms": -1710882833052.2214 }, "end": { "local": "1915-10-16T09:02:36+08:00", "utc": "1915-10-16T01:02:36Z", "ms": -1710802644222.3833 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-10-15T10:46:07+08:00", "utc": "1915-10-15T02:46:07Z", "ms": -1710882833052.2214 }, "end": { "local": "1915-10-16T09:02:36+08:00", "utc": "1915-10-16T01:02:36Z", "ms": -1710802644222.3833 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-10-15", "window": { "start": { "local": "1915-10-15T11:24:43+08:00", "utc": "1915-10-15T03:24:43Z", "ms": -1710880517126.0698 }, "end": { "local": "1915-10-15T12:12:43+08:00", "utc": "1915-10-15T04:12:43Z", "ms": -1710877637126.0698 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-10-16", "window": { "start": { "local": "1915-10-16T11:24:29+08:00", "utc": "1915-10-16T03:24:29Z", "ms": -1710794130670.351 }, "end": { "local": "1915-10-16T12:12:29+08:00", "utc": "1915-10-16T04:12:29Z", "ms": -1710791250670.351 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:46 on Fri 15 Oct to 09:03 on Sat 16 Oct.", "fact": "1915-10-15T02:46:07Z → 1915-10-16T01:02:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 15th, 11:24–12:12 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2316 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Fuzhou, 1915: Friday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahāṣṭamī (Durga Ashtami) 1915 falls on Friday 15 October. Aṣṭamī runs from 10:46 on Fri 15 Oct to 09:03 on Sat 16 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8514, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1915-10-16T09:02:36+08:00", "utc": "1915-10-16T01:02:36Z", "ms": -1710802644222.3833 }, "end": { "local": "1915-10-17T07:44:30+08:00", "utc": "1915-10-16T23:44:30Z", "ms": -1710720930287.1013 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-10-16T09:02:36+08:00", "utc": "1915-10-16T01:02:36Z", "ms": -1710802644222.3833 }, "end": { "local": "1915-10-17T07:44:30+08:00", "utc": "1915-10-16T23:44:30Z", "ms": -1710720930287.1013 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-10-16", "window": { "start": { "local": "1915-10-16T11:24:29+08:00", "utc": "1915-10-16T03:24:29Z", "ms": -1710794130670.351 }, "end": { "local": "1915-10-16T12:12:29+08:00", "utc": "1915-10-16T04:12:29Z", "ms": -1710791250670.351 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-10-17", "window": { "start": { "local": "1915-10-17T11:24:16+08:00", "utc": "1915-10-17T03:24:16Z", "ms": -1710707743675.3818 }, "end": { "local": "1915-10-17T12:12:16+08:00", "utc": "1915-10-17T04:12:16Z", "ms": -1710704863675.3818 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 09:03 on Sat 16 Oct to 07:44 on Sun 17 Oct.", "fact": "1915-10-16T01:02:36Z → 1915-10-16T23:44:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 16th, 11:24–12:12 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8514 s" }, { "step": "ruling", "text": "Mahānavamī, Fuzhou, 1915: Saturday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahānavamī 1915 falls on Saturday 16 October. Navamī runs from 09:03 on Sat 16 Oct to 07:44 on Sun 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-17", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 288, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1915-10-17T07:44:30+08:00", "utc": "1915-10-16T23:44:30Z", "ms": -1710720930287.1013 }, "end": { "local": "1915-10-18T06:51:29+08:00", "utc": "1915-10-17T22:51:29Z", "ms": -1710637710786.0432 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1915-10-17T07:44:30+08:00", "utc": "1915-10-16T23:44:30Z", "ms": -1710720930287.1013 }, "end": { "local": "1915-10-17T17:29:31+08:00", "utc": "1915-10-17T09:29:31Z", "ms": -1710685828809.2693 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1915-10-16T17:56:09+08:00", "utc": "1915-10-16T09:56:09Z", "ms": -1710770630847.1677 }, "end": { "local": "1915-10-17T17:29:31+08:00", "utc": "1915-10-17T09:29:31Z", "ms": -1710685828809.2693 } } }, "kaala": "daytime", "days": [ { "local_date": "1915-10-17", "window": { "start": { "local": "1915-10-17T06:02:14+08:00", "utc": "1915-10-16T22:02:14Z", "ms": -1710727066186.186 }, "end": { "local": "1915-10-17T17:34:19+08:00", "utc": "1915-10-17T09:34:19Z", "ms": -1710685541164.578 } }, "covered_min": 585, "window_min": 692, "qualifies": true }, { "local_date": "1915-10-18", "window": { "start": { "local": "1915-10-18T06:02:45+08:00", "utc": "1915-10-17T22:02:45Z", "ms": -1710640634677.2612 }, "end": { "local": "1915-10-18T17:33:22+08:00", "utc": "1915-10-18T09:33:22Z", "ms": -1710599197567.465 } }, "covered_min": 0, "window_min": 691, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 07:44 on Sun 17 Oct to 06:51 on Mon 18 Oct, and Śravaṇa from 17:56 on Sat 16 Oct to 17:30 on Sun 17 Oct. They are together from 07:44 on Sun 17 Oct to 17:30 on Sun 17 Oct.", "fact": "1915-10-16T23:44:30Z → 1915-10-17T09:29:31Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:02–17:34 on the 17th, 06:03–17:33 on the 18th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 585 of 692 minutes on the 17th and 0 of 691 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 288 s < 300 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Fuzhou, 1915: Sunday 17 October.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-10-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Daśamī (Dussehra) 1915 falls on Sunday 17 October. Daśamī runs from 07:44 on Sun 17 Oct to 06:51 on Mon 18 Oct and is with Śravaṇa in the day time that day, for 585 minutes. It is 4 min 48 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-10-19", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1156, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-10-18T06:51:29+08:00", "utc": "1915-10-17T22:51:29Z", "ms": -1710637710786.0432 }, "end": { "local": "1915-10-19T06:22:33+08:00", "utc": "1915-10-18T22:22:33Z", "ms": -1710553046916.4219 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-10-18T06:51:29+08:00", "utc": "1915-10-17T22:51:29Z", "ms": -1710637710786.0432 }, "end": { "local": "1915-10-19T06:22:33+08:00", "utc": "1915-10-18T22:22:33Z", "ms": -1710553046916.4219 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-10-18", "window": { "start": { "local": "1915-10-18T06:02:45+08:00", "utc": "1915-10-17T22:02:45Z", "ms": -1710640634677.2612 }, "end": { "local": "1915-10-18T06:02:45+08:00", "utc": "1915-10-17T22:02:45Z", "ms": -1710640634677.2612 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-10-19", "window": { "start": { "local": "1915-10-19T06:03:17+08:00", "utc": "1915-10-18T22:03:17Z", "ms": -1710554202770.9915 }, "end": { "local": "1915-10-19T06:03:17+08:00", "utc": "1915-10-18T22:03:17Z", "ms": -1710554202770.9915 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:51 on Mon 18 Oct to 06:23 on Tue 19 Oct.", "fact": "1915-10-17T22:51:29Z → 1915-10-18T22:22:33Z" }, { "step": "kaala", "text": "Sunrise is at 06:03 on the 18th and 06:03 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1156 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Fuzhou, 1915: Tuesday 19 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": "1915-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāśāṅkuśā Ekādaśī 1915 falls on Tuesday 19 October. Ekādaśī runs from 06:51 on Mon 18 Oct to 06:23 on Tue 19 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-10-19", "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/1915/pradosha-vrata?on=1915-10-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39445, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-10-20T06:16:39+08:00", "utc": "1915-10-19T22:16:39Z", "ms": -1710467001427.442 }, "end": { "local": "1915-10-21T06:33:13+08:00", "utc": "1915-10-20T22:33:13Z", "ms": -1710379606842.1243 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1915-10-20T06:16:39+08:00", "utc": "1915-10-19T22:16:39Z", "ms": -1710467001427.442 }, "end": { "local": "1915-10-21T06:33:13+08:00", "utc": "1915-10-20T22:33:13Z", "ms": -1710379606842.1243 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-10-20", "window": { "start": { "local": "1915-10-20T17:31:32+08:00", "utc": "1915-10-20T09:31:32Z", "ms": -1710426508072.1233 }, "end": { "local": "1915-10-20T19:11:55+08:00", "utc": "1915-10-20T11:11:55Z", "ms": -1710420485359.2473 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "1915-10-21", "window": { "start": { "local": "1915-10-21T17:30:38+08:00", "utc": "1915-10-21T09:30:38Z", "ms": -1710340162115.6775 }, "end": { "local": "1915-10-21T19:11:12+08:00", "utc": "1915-10-21T11:11:12Z", "ms": -1710334127775.7546 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:17 on Wed 20 Oct to 06:33 on Thu 21 Oct.", "fact": "1915-10-19T22:16:39Z → 1915-10-20T22:33:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:32–19:12 on the 20th, 17:31–19:11 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 100 of 100 minutes on the 20th and 0 of 101 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39445 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1915: Wednesday 20 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": "1915-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1915 falls on Wednesday 20 October. Trayodaśī runs from 06:17 on Wed 20 Oct to 06:33 on Thu 21 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-10-20", "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/1915/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14401, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-10-26T13:45:41+08:00", "utc": "1915-10-26T05:45:41Z", "ms": -1709921658551.0256 }, "end": { "local": "1915-10-27T16:15:16+08:00", "utc": "1915-10-27T08:15:16Z", "ms": -1709826284476.5137 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-10-26T13:45:41+08:00", "utc": "1915-10-26T05:45:41Z", "ms": -1709921658551.0256 }, "end": { "local": "1915-10-27T16:15:16+08:00", "utc": "1915-10-27T08:15:16Z", "ms": -1709826284476.5137 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-10-26", "window": { "start": { "local": "1915-10-26T19:26:16+08:00", "utc": "1915-10-26T11:26:16Z", "ms": -1709901224324.124 }, "end": { "local": "1915-10-26T19:26:16+08:00", "utc": "1915-10-26T11:26:16Z", "ms": -1709901224324.124 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-10-27", "window": { "start": { "local": "1915-10-27T20:15:16+08:00", "utc": "1915-10-27T12:15:16Z", "ms": -1709811883640.2888 }, "end": { "local": "1915-10-27T20:15:16+08:00", "utc": "1915-10-27T12:15:16Z", "ms": -1709811883640.2888 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:46 on Tue 26 Oct to 16:15 on Wed 27 Oct.", "fact": "1915-10-26T05:45:41Z → 1915-10-27T08:15:16Z" }, { "step": "kaala", "text": "Moonrise is at 19:26 on the 26th and 20:15 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 26th and is not on the 27th.", "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 14401 s" }, { "step": "ruling", "text": "Karaka Caturthī, Fuzhou, 1915: Tuesday 26 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": "1915-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Karaka Caturthī (Karwa Chauth) 1915 falls on Tuesday 26 October. Caturthī runs from 13:46 on Tue 26 Oct to 16:15 on Wed 27 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/sankashta-chaturthi?on=1915-10-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14401, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-10-26T13:45:41+08:00", "utc": "1915-10-26T05:45:41Z", "ms": -1709921658551.0256 }, "end": { "local": "1915-10-27T16:15:16+08:00", "utc": "1915-10-27T08:15:16Z", "ms": -1709826284476.5137 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-10-26T13:45:41+08:00", "utc": "1915-10-26T05:45:41Z", "ms": -1709921658551.0256 }, "end": { "local": "1915-10-27T16:15:16+08:00", "utc": "1915-10-27T08:15:16Z", "ms": -1709826284476.5137 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-10-26", "window": { "start": { "local": "1915-10-26T19:26:16+08:00", "utc": "1915-10-26T11:26:16Z", "ms": -1709901224324.124 }, "end": { "local": "1915-10-26T19:26:16+08:00", "utc": "1915-10-26T11:26:16Z", "ms": -1709901224324.124 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-10-27", "window": { "start": { "local": "1915-10-27T20:15:16+08:00", "utc": "1915-10-27T12:15:16Z", "ms": -1709811883640.2888 }, "end": { "local": "1915-10-27T20:15:16+08:00", "utc": "1915-10-27T12:15:16Z", "ms": -1709811883640.2888 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:46 on Tue 26 Oct to 16:15 on Wed 27 Oct.", "fact": "1915-10-26T05:45:41Z → 1915-10-27T08:15:16Z" }, { "step": "kaala", "text": "Moonrise is at 19:26 on the 26th and 20:15 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 26th and is not on the 27th.", "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 14401 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1915: Tuesday 26 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": "1915-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1915 falls on Tuesday 26 October. Caturthī runs from 13:46 on Tue 26 Oct to 16:15 on Wed 27 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-10-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2674, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1915-10-30T23:42:35+08:00", "utc": "1915-10-30T15:42:35Z", "ms": -1709540244614.5823 }, "end": { "local": "1915-11-01T01:26:40+08:00", "utc": "1915-10-31T17:26:40Z", "ms": -1709447599782.1594 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-10-30T23:42:35+08:00", "utc": "1915-10-30T15:42:35Z", "ms": -1709540244614.5823 }, "end": { "local": "1915-11-01T01:26:40+08:00", "utc": "1915-10-31T17:26:40Z", "ms": -1709447599782.1594 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-10-30", "window": { "start": { "local": "1915-10-30T22:58:01+08:00", "utc": "1915-10-30T14:58:01Z", "ms": -1709542918527.3262 }, "end": { "local": "1915-10-30T22:58:01+08:00", "utc": "1915-10-30T14:58:01Z", "ms": -1709542918527.3262 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-10-31", "window": { "start": { "local": "1915-10-31T23:54:06+08:00", "utc": "1915-10-31T15:54:06Z", "ms": -1709453154155.5317 }, "end": { "local": "1915-10-31T23:54:06+08:00", "utc": "1915-10-31T15:54:06Z", "ms": -1709453154155.5317 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:43 on Sat 30 Oct to 01:27 on Mon 1 Nov.", "fact": "1915-10-30T15:42:35Z → 1915-10-31T17:26:40Z" }, { "step": "kaala", "text": "Moonrise is at 22:58 on the 30th and 23:54 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 30th and is on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2674 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Fuzhou, 1915: Sunday 31 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": "1915-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-10-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Ahoyī Aṣṭamī 1915 falls on Sunday 31 October. Aṣṭamī runs from 23:43 on Sat 30 Oct to 01:27 on Mon 1 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-11-03", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12871, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-11-03T02:37:38+08:00", "utc": "1915-11-02T18:37:38Z", "ms": -1709270541608.7534 }, "end": { "local": "1915-11-04T01:54:53+08:00", "utc": "1915-11-03T17:54:53Z", "ms": -1709186706668.5474 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-03T02:37:38+08:00", "utc": "1915-11-02T18:37:38Z", "ms": -1709270541608.7534 }, "end": { "local": "1915-11-04T01:54:53+08:00", "utc": "1915-11-03T17:54:53Z", "ms": -1709186706668.5474 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-11-03", "window": { "start": { "local": "1915-11-03T06:12:09+08:00", "utc": "1915-11-02T22:12:09Z", "ms": -1709257671017.7969 }, "end": { "local": "1915-11-03T06:12:09+08:00", "utc": "1915-11-02T22:12:09Z", "ms": -1709257671017.7969 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-11-04", "window": { "start": { "local": "1915-11-04T06:12:48+08:00", "utc": "1915-11-03T22:12:48Z", "ms": -1709171231878.5386 }, "end": { "local": "1915-11-04T06:12:48+08:00", "utc": "1915-11-03T22:12:48Z", "ms": -1709171231878.5386 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:38 on Wed 3 Nov to 01:55 on Thu 4 Nov.", "fact": "1915-11-02T18:37:38Z → 1915-11-03T17:54:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 3rd and 06:13 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12871 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Fuzhou, 1915: Wednesday 3 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": "1915-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Ramā Ekādaśī 1915 falls on Wednesday 3 November. Ekādaśī runs from 02:38 on Wed 3 Nov to 01:55 on Thu 4 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-11-03", "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/1915/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19121, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1915-11-04T01:54:53+08:00", "utc": "1915-11-03T17:54:53Z", "ms": -1709186706668.5474 }, "end": { "local": "1915-11-05T00:21:34+08:00", "utc": "1915-11-04T16:21:34Z", "ms": -1709105906429.7805 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-04T01:54:53+08:00", "utc": "1915-11-03T17:54:53Z", "ms": -1709186706668.5474 }, "end": { "local": "1915-11-05T00:21:34+08:00", "utc": "1915-11-04T16:21:34Z", "ms": -1709105906429.7805 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-11-03", "window": { "start": { "local": "1915-11-03T17:20:23+08:00", "utc": "1915-11-03T09:20:23Z", "ms": -1709217577315.8352 }, "end": { "local": "1915-11-03T19:03:22+08:00", "utc": "1915-11-03T11:03:22Z", "ms": -1709211397924.1956 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1915-11-04", "window": { "start": { "local": "1915-11-04T17:19:43+08:00", "utc": "1915-11-04T09:19:43Z", "ms": -1709131216952.3843 }, "end": { "local": "1915-11-04T19:02:53+08:00", "utc": "1915-11-04T11:02:53Z", "ms": -1709125026998.3337 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:55 on Thu 4 Nov to 00:22 on Fri 5 Nov.", "fact": "1915-11-03T17:54:53Z → 1915-11-04T16:21:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:20–19:03 on the 3rd, 17:20–19:03 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 3rd and 103 of 103 on the 4th.", "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 19121 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Fuzhou, 1915: Thursday 4 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Govatsa Dvādaśī (Vasu Baras) 1915 falls on Thursday 4 November. Dvādaśī runs from 01:55 on Thu 4 Nov to 00:22 on Fri 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10884, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-11-05T00:21:34+08:00", "utc": "1915-11-04T16:21:34Z", "ms": -1709105906429.7805 }, "end": { "local": "1915-11-05T22:03:49+08:00", "utc": "1915-11-05T14:03:49Z", "ms": -1709027771183.726 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-05T00:21:34+08:00", "utc": "1915-11-04T16:21:34Z", "ms": -1709105906429.7805 }, "end": { "local": "1915-11-05T22:03:49+08:00", "utc": "1915-11-05T14:03:49Z", "ms": -1709027771183.726 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-11-04", "window": { "start": { "local": "1915-11-04T17:19:43+08:00", "utc": "1915-11-04T09:19:43Z", "ms": -1709131216952.3843 }, "end": { "local": "1915-11-04T19:02:53+08:00", "utc": "1915-11-04T11:02:53Z", "ms": -1709125026998.3337 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1915-11-05", "window": { "start": { "local": "1915-11-05T17:19:05+08:00", "utc": "1915-11-05T09:19:05Z", "ms": -1709044855365.5605 }, "end": { "local": "1915-11-05T19:02:25+08:00", "utc": "1915-11-05T11:02:25Z", "ms": -1709038654954.784 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:22 on Fri 5 Nov to 22:04 on Fri 5 Nov.", "fact": "1915-11-04T16:21:34Z → 1915-11-05T14:03:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:20–19:03 on the 4th, 17:19–19:02 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 4th and 103 of 103 on the 5th.", "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 10884 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Fuzhou, 1915: Friday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Dīpadāna 1915 falls on Friday 5 November. Trayodaśī runs from 00:22 on Fri 5 Nov to 22:04 on Fri 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/pradosha-vrata?on=1915-11-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10884, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-11-05T00:21:34+08:00", "utc": "1915-11-04T16:21:34Z", "ms": -1709105906429.7805 }, "end": { "local": "1915-11-05T22:03:49+08:00", "utc": "1915-11-05T14:03:49Z", "ms": -1709027771183.726 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-05T00:21:34+08:00", "utc": "1915-11-04T16:21:34Z", "ms": -1709105906429.7805 }, "end": { "local": "1915-11-05T22:03:49+08:00", "utc": "1915-11-05T14:03:49Z", "ms": -1709027771183.726 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-11-04", "window": { "start": { "local": "1915-11-04T17:19:43+08:00", "utc": "1915-11-04T09:19:43Z", "ms": -1709131216952.3843 }, "end": { "local": "1915-11-04T19:02:53+08:00", "utc": "1915-11-04T11:02:53Z", "ms": -1709125026998.3337 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1915-11-05", "window": { "start": { "local": "1915-11-05T17:19:05+08:00", "utc": "1915-11-05T09:19:05Z", "ms": -1709044855365.5605 }, "end": { "local": "1915-11-05T19:02:25+08:00", "utc": "1915-11-05T11:02:25Z", "ms": -1709038654954.784 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:22 on Fri 5 Nov to 22:04 on Fri 5 Nov.", "fact": "1915-11-04T16:21:34Z → 1915-11-05T14:03:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:20–19:03 on the 4th, 17:19–19:02 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 4th and 103 of 103 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 10884 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1915: Friday 5 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": "1915-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1915 falls on Friday 5 November. Trayodaśī runs from 00:22 on Fri 5 Nov to 22:04 on Fri 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-11-05", "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/1915/shivaratri?on=1915-11-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4727, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-11-05T22:03:49+08:00", "utc": "1915-11-05T14:03:49Z", "ms": -1709027771183.726 }, "end": { "local": "1915-11-06T19:10:29+08:00", "utc": "1915-11-06T11:10:29Z", "ms": -1708951770890.7368 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-05T22:03:49+08:00", "utc": "1915-11-05T14:03:49Z", "ms": -1709027771183.726 }, "end": { "local": "1915-11-06T19:10:29+08:00", "utc": "1915-11-06T11:10:29Z", "ms": -1708951770890.7368 } }, "kaala": "nishita", "days": [ { "local_date": "1915-11-05", "window": { "start": { "local": "1915-11-05T23:22:36+08:00", "utc": "1915-11-05T15:22:36Z", "ms": -1709023043825.148 }, "end": { "local": "1915-11-06T00:10:36+08:00", "utc": "1915-11-05T16:10:36Z", "ms": -1709020163825.148 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-11-06", "window": { "start": { "local": "1915-11-06T23:22:38+08:00", "utc": "1915-11-06T15:22:38Z", "ms": -1708936642195.2725 }, "end": { "local": "1915-11-07T00:10:38+08:00", "utc": "1915-11-06T16:10:38Z", "ms": -1708933762195.2725 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:04 on Fri 5 Nov to 19:10 on Sat 6 Nov.", "fact": "1915-11-05T14:03:49Z → 1915-11-06T11:10:29Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 5th, 23:23–00:11 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4727 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1915: Friday 5 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": "1915-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1915 falls on Friday 5 November. Caturdaśī runs from 22:04 on Fri 5 Nov to 19:10 on Sat 6 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1915/shivaratri?on=1915-11-05", "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/1915/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23218, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-11-05T22:03:49+08:00", "utc": "1915-11-05T14:03:49Z", "ms": -1709027771183.726 }, "end": { "local": "1915-11-06T19:10:29+08:00", "utc": "1915-11-06T11:10:29Z", "ms": -1708951770890.7368 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-05T22:03:49+08:00", "utc": "1915-11-05T14:03:49Z", "ms": -1709027771183.726 }, "end": { "local": "1915-11-06T19:10:29+08:00", "utc": "1915-11-06T11:10:29Z", "ms": -1708951770890.7368 } }, "kaala": "arunodaya", "days": [ { "local_date": "1915-11-06", "window": { "start": { "local": "1915-11-06T04:30:47+08:00", "utc": "1915-11-05T20:30:47Z", "ms": -1709004552695.5117 }, "end": { "local": "1915-11-06T06:14:08+08:00", "utc": "1915-11-05T22:14:08Z", "ms": -1708998352284.735 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "1915-11-07", "window": { "start": { "local": "1915-11-07T04:31:17+08:00", "utc": "1915-11-06T20:31:17Z", "ms": -1708918122612.8062 }, "end": { "local": "1915-11-07T06:14:48+08:00", "utc": "1915-11-06T22:14:48Z", "ms": -1708911911855.5457 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:04 on Fri 5 Nov to 19:10 on Sat 6 Nov.", "fact": "1915-11-05T14:03:49Z → 1915-11-06T11:10:29Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:31–06:14 on the 6th, 04:31–06:15 on the 7th.", "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 103 of 103 minutes on the 6th and 0 of 104 on the 7th.", "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 23218 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Fuzhou, 1915: Saturday 6 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Naraka Caturdaśī (Choti Diwali) 1915 falls on Saturday 6 November. Caturdaśī runs from 22:04 on Fri 5 Nov to 19:10 on Sat 6 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-06", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 511, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1915-11-06T19:10:29+08:00", "utc": "1915-11-06T11:10:29Z", "ms": -1708951770890.7368 }, "end": { "local": "1915-11-07T15:52:01+08:00", "utc": "1915-11-07T07:52:01Z", "ms": -1708877278970.465 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-06T19:10:29+08:00", "utc": "1915-11-06T11:10:29Z", "ms": -1708951770890.7368 }, "end": { "local": "1915-11-07T15:52:01+08:00", "utc": "1915-11-07T07:52:01Z", "ms": -1708877278970.465 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-11-06", "window": { "start": { "local": "1915-11-06T17:18:27+08:00", "utc": "1915-11-06T09:18:27Z", "ms": -1708958492534.9995 }, "end": { "local": "1915-11-06T19:01:58+08:00", "utc": "1915-11-06T11:01:58Z", "ms": -1708952281777.739 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "1915-11-07", "window": { "start": { "local": "1915-11-07T17:17:52+08:00", "utc": "1915-11-07T09:17:52Z", "ms": -1708872128442.0383 }, "end": { "local": "1915-11-07T19:01:33+08:00", "utc": "1915-11-07T11:01:33Z", "ms": -1708865907453.1628 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 19:10 on Sat 6 Nov to 15:52 on Sun 7 Nov.", "fact": "1915-11-06T11:10:29Z → 1915-11-07T07:52:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–19:02 on the 6th, 17:18–19:02 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 104 minutes on the 6th and 0 of 104 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 511 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Fuzhou, 1915: Saturday 6 November.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1915-11-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Lakṣmī Pūjā (Diwali) 1915 falls on Saturday 6 November. Amāvasyā runs from 19:10 on Sat 6 Nov to 15:52 on Sun 7 Nov, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15129, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1915-11-06T19:10:29+08:00", "utc": "1915-11-06T11:10:29Z", "ms": -1708951770890.7368 }, "end": { "local": "1915-11-07T15:52:01+08:00", "utc": "1915-11-07T07:52:01Z", "ms": -1708877278970.465 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-06T19:10:29+08:00", "utc": "1915-11-06T11:10:29Z", "ms": -1708951770890.7368 }, "end": { "local": "1915-11-07T15:52:01+08:00", "utc": "1915-11-07T07:52:01Z", "ms": -1708877278970.465 } }, "kaala": "nishita", "days": [ { "local_date": "1915-11-06", "window": { "start": { "local": "1915-11-06T23:22:38+08:00", "utc": "1915-11-06T15:22:38Z", "ms": -1708936642195.2725 }, "end": { "local": "1915-11-07T00:10:38+08:00", "utc": "1915-11-06T16:10:38Z", "ms": -1708933762195.2725 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-11-07", "window": { "start": { "local": "1915-11-07T23:22:40+08:00", "utc": "1915-11-07T15:22:40Z", "ms": -1708850239733.755 }, "end": { "local": "1915-11-08T00:10:40+08:00", "utc": "1915-11-07T16:10:40Z", "ms": -1708847359733.755 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 19:10 on Sat 6 Nov to 15:52 on Sun 7 Nov.", "fact": "1915-11-06T11:10:29Z → 1915-11-07T07:52:01Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 6th, 23:23–00:11 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "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 15129 s" }, { "step": "ruling", "text": "Kālī Pūjā, Fuzhou, 1915: Saturday 6 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Kālī Pūjā 1915 falls on Saturday 6 November. Amāvasyā runs from 19:10 on Sat 6 Nov to 15:52 on Sun 7 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5151, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1915-11-07T15:52:01+08:00", "utc": "1915-11-07T07:52:01Z", "ms": -1708877278970.465 }, "end": { "local": "1915-11-08T12:19:35+08:00", "utc": "1915-11-08T04:19:35Z", "ms": -1708803624713.6074 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-07T15:52:01+08:00", "utc": "1915-11-07T07:52:01Z", "ms": -1708877278970.465 }, "end": { "local": "1915-11-08T12:19:35+08:00", "utc": "1915-11-08T04:19:35Z", "ms": -1708803624713.6074 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-11-07", "window": { "start": { "local": "1915-11-07T17:17:52+08:00", "utc": "1915-11-07T09:17:52Z", "ms": -1708872128442.0383 }, "end": { "local": "1915-11-07T19:01:33+08:00", "utc": "1915-11-07T11:01:33Z", "ms": -1708865907453.1628 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "1915-11-08", "window": { "start": { "local": "1915-11-08T17:17:17+08:00", "utc": "1915-11-08T09:17:17Z", "ms": -1708785763069.4363 }, "end": { "local": "1915-11-08T19:01:08+08:00", "utc": "1915-11-08T11:01:08Z", "ms": -1708779531968.509 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:52 on Sun 7 Nov to 12:20 on Mon 8 Nov.", "fact": "1915-11-07T07:52:01Z → 1915-11-08T04:19:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–19:02 on the 7th, 17:17–19:01 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 104 of 104 minutes on the 7th and 0 of 104 on the 8th.", "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 5151 s" }, { "step": "ruling", "text": "Bali Pūjā, Fuzhou, 1915: Sunday 7 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Bali Pūjā 1915 falls on Sunday 7 November. Pratipadā runs from 15:52 on Sun 7 Nov to 12:20 on Mon 8 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 552, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1915-11-07T15:52:01+08:00", "utc": "1915-11-07T07:52:01Z", "ms": -1708877278970.465 }, "end": { "local": "1915-11-08T12:19:35+08:00", "utc": "1915-11-08T04:19:35Z", "ms": -1708803624713.6074 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-07T15:52:01+08:00", "utc": "1915-11-07T07:52:01Z", "ms": -1708877278970.465 }, "end": { "local": "1915-11-08T12:19:35+08:00", "utc": "1915-11-08T04:19:35Z", "ms": -1708803624713.6074 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-11-07", "window": { "start": { "local": "1915-11-07T11:22:20+08:00", "utc": "1915-11-07T03:22:20Z", "ms": -1708893460148.792 }, "end": { "local": "1915-11-07T12:10:20+08:00", "utc": "1915-11-07T04:10:20Z", "ms": -1708890580148.792 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-11-08", "window": { "start": { "local": "1915-11-08T11:22:23+08:00", "utc": "1915-11-08T03:22:23Z", "ms": -1708807057047.454 }, "end": { "local": "1915-11-08T12:10:23+08:00", "utc": "1915-11-08T04:10:23Z", "ms": -1708804177047.454 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:52 on Sun 7 Nov to 12:20 on Mon 8 Nov.", "fact": "1915-11-07T07:52:01Z → 1915-11-08T04:19:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 7th, 11:22–12:10 on the 8th.", "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 7th and 48 of 48 on the 8th.", "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 552 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Fuzhou, 1915: Monday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Govardhana Pūjā 1915 falls on Monday 8 November. Pratipadā runs from 15:52 on Sun 7 Nov to 12:20 on Mon 8 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8610, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1915-11-07T15:52:01+08:00", "utc": "1915-11-07T07:52:01Z", "ms": -1708877278970.465 }, "end": { "local": "1915-11-08T12:19:35+08:00", "utc": "1915-11-08T04:19:35Z", "ms": -1708803624713.6074 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-07T15:52:01+08:00", "utc": "1915-11-07T07:52:01Z", "ms": -1708877278970.465 }, "end": { "local": "1915-11-08T12:19:35+08:00", "utc": "1915-11-08T04:19:35Z", "ms": -1708803624713.6074 } }, "kaala": "purvahna", "days": [ { "local_date": "1915-11-07", "window": { "start": { "local": "1915-11-07T06:14:48+08:00", "utc": "1915-11-06T22:14:48Z", "ms": -1708911911855.5457 }, "end": { "local": "1915-11-07T09:55:49+08:00", "utc": "1915-11-07T01:55:49Z", "ms": -1708898650717.71 } }, "covered_min": 0, "window_min": 221, "qualifies": false }, { "local_date": "1915-11-08", "window": { "start": { "local": "1915-11-08T06:15:29+08:00", "utc": "1915-11-07T22:15:29Z", "ms": -1708825471025.4717 }, "end": { "local": "1915-11-08T09:56:05+08:00", "utc": "1915-11-08T01:56:05Z", "ms": -1708812235040.1265 } }, "covered_min": 221, "window_min": 221, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:52 on Sun 7 Nov to 12:20 on Mon 8 Nov.", "fact": "1915-11-07T07:52:01Z → 1915-11-08T04:19:35Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:15–09:56 on the 7th, 06:15–09:56 on the 8th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 221 minutes on the 7th and 221 of 221 on the 8th.", "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 8610 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Fuzhou, 1915: Monday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Dyūta Pratipad 1915 falls on Monday 8 November. Pratipadā runs from 15:52 on Sun 7 Nov to 12:20 on Mon 8 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 552, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1915-11-08T12:19:35+08:00", "utc": "1915-11-08T04:19:35Z", "ms": -1708803624713.6074 }, "end": { "local": "1915-11-09T08:44:26+08:00", "utc": "1915-11-09T00:44:26Z", "ms": -1708730134481.1736 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-08T12:19:35+08:00", "utc": "1915-11-08T04:19:35Z", "ms": -1708803624713.6074 }, "end": { "local": "1915-11-09T08:44:26+08:00", "utc": "1915-11-09T00:44:26Z", "ms": -1708730134481.1736 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-11-08", "window": { "start": { "local": "1915-11-08T11:22:23+08:00", "utc": "1915-11-08T03:22:23Z", "ms": -1708807057047.454 }, "end": { "local": "1915-11-08T12:10:23+08:00", "utc": "1915-11-08T04:10:23Z", "ms": -1708804177047.454 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-11-09", "window": { "start": { "local": "1915-11-09T11:22:27+08:00", "utc": "1915-11-09T03:22:27Z", "ms": -1708720653106.6636 }, "end": { "local": "1915-11-09T12:10:27+08:00", "utc": "1915-11-09T04:10:27Z", "ms": -1708717773106.6636 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 12:20 on Mon 8 Nov to 08:44 on Tue 9 Nov.", "fact": "1915-11-08T04:19:35Z → 1915-11-09T00:44:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 8th, 11:22–12:10 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 552 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Fuzhou, 1915: Tuesday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Dvitīyā (Bhai Dooj) 1915 falls on Tuesday 9 November. Dvitīyā runs from 12:20 on Mon 8 Nov to 08:44 on Tue 9 Nov, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21917, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-11-10T05:17:15+08:00", "utc": "1915-11-09T21:17:15Z", "ms": -1708656165456.19 }, "end": { "local": "1915-11-11T02:07:44+08:00", "utc": "1915-11-10T18:07:44Z", "ms": -1708581136144.8647 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-10T05:17:15+08:00", "utc": "1915-11-09T21:17:15Z", "ms": -1708656165456.19 }, "end": { "local": "1915-11-11T02:07:44+08:00", "utc": "1915-11-10T18:07:44Z", "ms": -1708581136144.8647 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-11-10", "window": { "start": { "local": "1915-11-10T11:22:32+08:00", "utc": "1915-11-10T03:22:32Z", "ms": -1708634248328.0576 }, "end": { "local": "1915-11-10T12:10:32+08:00", "utc": "1915-11-10T04:10:32Z", "ms": -1708631368328.0576 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-11-11", "window": { "start": { "local": "1915-11-11T11:22:37+08:00", "utc": "1915-11-11T03:22:37Z", "ms": -1708547842713.5024 }, "end": { "local": "1915-11-11T12:10:37+08:00", "utc": "1915-11-11T04:10:37Z", "ms": -1708544962713.5024 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:17 on Wed 10 Nov to 02:08 on Thu 11 Nov.", "fact": "1915-11-09T21:17:15Z → 1915-11-10T18:07:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 10th, 11:23–12:11 on the 11th.", "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 10th and 0 of 48 on the 11th.", "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 21917 s" }, { "step": "ruling", "text": "Nāga Caturthī, Fuzhou, 1915: Wednesday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Caturthī 1915 falls on Wednesday 10 November. Caturthī runs from 05:17 on Wed 10 Nov to 02:08 on Thu 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vinayaka-chaturthi?on=1915-11-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21917, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-11-10T05:17:15+08:00", "utc": "1915-11-09T21:17:15Z", "ms": -1708656165456.19 }, "end": { "local": "1915-11-11T02:07:44+08:00", "utc": "1915-11-10T18:07:44Z", "ms": -1708581136144.8647 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-10T05:17:15+08:00", "utc": "1915-11-09T21:17:15Z", "ms": -1708656165456.19 }, "end": { "local": "1915-11-11T02:07:44+08:00", "utc": "1915-11-10T18:07:44Z", "ms": -1708581136144.8647 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-11-10", "window": { "start": { "local": "1915-11-10T11:22:32+08:00", "utc": "1915-11-10T03:22:32Z", "ms": -1708634248328.0576 }, "end": { "local": "1915-11-10T12:10:32+08:00", "utc": "1915-11-10T04:10:32Z", "ms": -1708631368328.0576 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-11-11", "window": { "start": { "local": "1915-11-11T11:22:37+08:00", "utc": "1915-11-11T03:22:37Z", "ms": -1708547842713.5024 }, "end": { "local": "1915-11-11T12:10:37+08:00", "utc": "1915-11-11T04:10:37Z", "ms": -1708544962713.5024 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:17 on Wed 10 Nov to 02:08 on Thu 11 Nov.", "fact": "1915-11-09T21:17:15Z → 1915-11-10T18:07:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 10th, 11:23–12:11 on the 11th.", "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 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21917 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1915: Wednesday 10 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": "1915-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1915 falls on Wednesday 10 November. Caturthī runs from 05:17 on Wed 10 Nov to 02:08 on Thu 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/vinayaka-chaturthi?on=1915-11-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32502, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1915-11-11T23:24:04+08:00", "utc": "1915-11-11T15:24:04Z", "ms": -1708504556091.7446 }, "end": { "local": "1915-11-12T21:12:26+08:00", "utc": "1915-11-12T13:12:26Z", "ms": -1708426054113.033 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-11T23:24:04+08:00", "utc": "1915-11-11T15:24:04Z", "ms": -1708504556091.7446 }, "end": { "local": "1915-11-12T21:12:26+08:00", "utc": "1915-11-12T13:12:26Z", "ms": -1708426054113.033 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-11-11", "window": { "start": { "local": "1915-11-11T11:22:37+08:00", "utc": "1915-11-11T03:22:37Z", "ms": -1708547842713.5024 }, "end": { "local": "1915-11-11T12:10:37+08:00", "utc": "1915-11-11T04:10:37Z", "ms": -1708544962713.5024 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-11-12", "window": { "start": { "local": "1915-11-12T11:22:44+08:00", "utc": "1915-11-12T03:22:44Z", "ms": -1708461436264.6455 }, "end": { "local": "1915-11-12T12:10:44+08:00", "utc": "1915-11-12T04:10:44Z", "ms": -1708458556264.6455 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:24 on Thu 11 Nov to 21:12 on Fri 12 Nov.", "fact": "1915-11-11T15:24:04Z → 1915-11-12T13:12:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 11th, 11:23–12:11 on the 12th.", "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 11th and 48 of 48 on the 12th.", "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 32502 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Fuzhou, 1915: Friday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Chhath) 1915 falls on Friday 12 November. Ṣaṣṭhī runs from 23:24 on Thu 11 Nov to 21:12 on Fri 12 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23224, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1915-11-13T19:36:39+08:00", "utc": "1915-11-13T11:36:39Z", "ms": -1708345400623.5232 }, "end": { "local": "1915-11-14T18:38:03+08:00", "utc": "1915-11-14T10:38:03Z", "ms": -1708262516852.6833 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-13T19:36:39+08:00", "utc": "1915-11-13T11:36:39Z", "ms": -1708345400623.5232 }, "end": { "local": "1915-11-14T18:38:03+08:00", "utc": "1915-11-14T10:38:03Z", "ms": -1708262516852.6833 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-11-13", "window": { "start": { "local": "1915-11-13T11:22:51+08:00", "utc": "1915-11-13T03:22:51Z", "ms": -1708375028982.7158 }, "end": { "local": "1915-11-13T12:10:51+08:00", "utc": "1915-11-13T04:10:51Z", "ms": -1708372148982.7158 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-11-14", "window": { "start": { "local": "1915-11-14T11:22:59+08:00", "utc": "1915-11-14T03:22:59Z", "ms": -1708288620868.5557 }, "end": { "local": "1915-11-14T12:10:59+08:00", "utc": "1915-11-14T04:10:59Z", "ms": -1708285740868.5557 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:37 on Sat 13 Nov to 18:38 on Sun 14 Nov.", "fact": "1915-11-13T11:36:39Z → 1915-11-14T10:38:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 13th, 11:23–12:11 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23224 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Fuzhou, 1915: Sunday 14 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Gopāṣṭamī 1915 falls on Sunday 14 November. Aṣṭamī runs from 19:37 on Sat 13 Nov to 18:38 on Sun 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29842, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1915-11-14T18:38:03+08:00", "utc": "1915-11-14T10:38:03Z", "ms": -1708262516852.6833 }, "end": { "local": "1915-11-15T18:15:36+08:00", "utc": "1915-11-15T10:15:36Z", "ms": -1708177464030.5044 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-14T18:38:03+08:00", "utc": "1915-11-14T10:38:03Z", "ms": -1708262516852.6833 }, "end": { "local": "1915-11-15T18:15:36+08:00", "utc": "1915-11-15T10:15:36Z", "ms": -1708177464030.5044 } }, "kaala": "purvahna", "days": [ { "local_date": "1915-11-14", "window": { "start": { "local": "1915-11-14T06:19:41+08:00", "utc": "1915-11-13T22:19:41Z", "ms": -1708306818693.815 }, "end": { "local": "1915-11-14T09:57:53+08:00", "utc": "1915-11-14T01:57:53Z", "ms": -1708293726810.3086 } }, "covered_min": 0, "window_min": 218, "qualifies": false }, { "local_date": "1915-11-15", "window": { "start": { "local": "1915-11-15T06:20:24+08:00", "utc": "1915-11-14T22:20:24Z", "ms": -1708220375596.6167 }, "end": { "local": "1915-11-15T09:58:14+08:00", "utc": "1915-11-15T01:58:14Z", "ms": -1708207306480.7397 } }, "covered_min": 218, "window_min": 218, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 18:38 on Sun 14 Nov to 18:16 on Mon 15 Nov.", "fact": "1915-11-14T10:38:03Z → 1915-11-15T10:15:36Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:20–09:58 on the 14th, 06:20–09:58 on the 15th.", "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 218 minutes on the 14th and 218 of 218 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29842 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Fuzhou, 1915: Monday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Akṣaya Navamī (Amla Navami) 1915 falls on Monday 15 November. Navamī runs from 18:38 on Sun 14 Nov to 18:16 on Mon 15 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21868, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1915-11-14T18:38:03+08:00", "utc": "1915-11-14T10:38:03Z", "ms": -1708262516852.6833 }, "end": { "local": "1915-11-15T18:15:36+08:00", "utc": "1915-11-15T10:15:36Z", "ms": -1708177464030.5044 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-14T18:38:03+08:00", "utc": "1915-11-14T10:38:03Z", "ms": -1708262516852.6833 }, "end": { "local": "1915-11-15T18:15:36+08:00", "utc": "1915-11-15T10:15:36Z", "ms": -1708177464030.5044 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-11-14", "window": { "start": { "local": "1915-11-14T11:22:59+08:00", "utc": "1915-11-14T03:22:59Z", "ms": -1708288620868.5557 }, "end": { "local": "1915-11-14T12:10:59+08:00", "utc": "1915-11-14T04:10:59Z", "ms": -1708285740868.5557 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-11-15", "window": { "start": { "local": "1915-11-15T11:23:08+08:00", "utc": "1915-11-15T03:23:08Z", "ms": -1708202211922.8013 }, "end": { "local": "1915-11-15T12:11:08+08:00", "utc": "1915-11-15T04:11:08Z", "ms": -1708199331922.8013 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 18:38 on Sun 14 Nov to 18:16 on Mon 15 Nov.", "fact": "1915-11-14T10:38:03Z → 1915-11-15T10:15:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 14th, 11:23–12:11 on the 15th.", "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 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21868 s" }, { "step": "ruling", "text": "Durgā Navamī, Fuzhou, 1915: Monday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Navamī 1915 falls on Monday 15 November. Navamī runs from 18:38 on Sun 14 Nov to 18:16 on Mon 15 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-11-17", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40537, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-11-16T18:26:30+08:00", "utc": "1915-11-16T10:26:30Z", "ms": -1708090410410.442 }, "end": { "local": "1915-11-17T19:06:58+08:00", "utc": "1915-11-17T11:06:58Z", "ms": -1708001582171.267 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-16T18:26:30+08:00", "utc": "1915-11-16T10:26:30Z", "ms": -1708090410410.442 }, "end": { "local": "1915-11-17T19:06:58+08:00", "utc": "1915-11-17T11:06:58Z", "ms": -1708001582171.267 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-11-17", "window": { "start": { "local": "1915-11-17T06:21:51+08:00", "utc": "1915-11-16T22:21:51Z", "ms": -1708047488680.3513 }, "end": { "local": "1915-11-17T06:21:51+08:00", "utc": "1915-11-16T22:21:51Z", "ms": -1708047488680.3513 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-11-18", "window": { "start": { "local": "1915-11-18T06:22:35+08:00", "utc": "1915-11-17T22:22:35Z", "ms": -1707961044899.6035 }, "end": { "local": "1915-11-18T06:22:35+08:00", "utc": "1915-11-17T22:22:35Z", "ms": -1707961044899.6035 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:26 on Tue 16 Nov to 19:07 on Wed 17 Nov.", "fact": "1915-11-16T10:26:30Z → 1915-11-17T11:06:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 17th and 06:23 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 17th and is not on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 40537 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Fuzhou, 1915: Wednesday 17 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": "1915-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Prabodhinī Ekādaśī 1915 falls on Wednesday 17 November. Ekādaśī runs from 18:26 on Tue 16 Nov to 19:07 on Wed 17 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-11-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/pradosha-vrata?on=1915-11-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4499, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-11-18T20:13:08+08:00", "utc": "1915-11-18T12:13:08Z", "ms": -1707911211739.019 }, "end": { "local": "1915-11-19T21:41:41+08:00", "utc": "1915-11-19T13:41:41Z", "ms": -1707819499443.0874 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-18T20:13:08+08:00", "utc": "1915-11-18T12:13:08Z", "ms": -1707911211739.019 }, "end": { "local": "1915-11-19T21:41:41+08:00", "utc": "1915-11-19T13:41:41Z", "ms": -1707819499443.0874 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-11-18", "window": { "start": { "local": "1915-11-18T17:12:45+08:00", "utc": "1915-11-18T09:12:45Z", "ms": -1707922035309.0037 }, "end": { "local": "1915-11-18T18:58:09+08:00", "utc": "1915-11-18T10:58:09Z", "ms": -1707915710725.1829 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "1915-11-19", "window": { "start": { "local": "1915-11-19T17:12:25+08:00", "utc": "1915-11-19T09:12:25Z", "ms": -1707835654754.959 }, "end": { "local": "1915-11-19T18:57:58+08:00", "utc": "1915-11-19T10:57:58Z", "ms": -1707829321693.4421 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:13 on Thu 18 Nov to 21:42 on Fri 19 Nov.", "fact": "1915-11-18T12:13:08Z → 1915-11-19T13:41:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–18:58 on the 18th, 17:12–18:58 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 105 minutes on the 18th and 106 of 106 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4499 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1915: Friday 19 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": "1915-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1915 falls on Friday 19 November. Trayodaśī runs from 20:13 on Thu 18 Nov to 21:42 on Fri 19 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-11-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35314, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-11-20T23:30:00+08:00", "utc": "1915-11-20T15:30:00Z", "ms": -1707726600374.5862 }, "end": { "local": "1915-11-22T01:36:00+08:00", "utc": "1915-11-21T17:36:00Z", "ms": -1707632640436.7092 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-20T23:30:00+08:00", "utc": "1915-11-20T15:30:00Z", "ms": -1707726600374.5862 }, "end": { "local": "1915-11-22T01:36:00+08:00", "utc": "1915-11-21T17:36:00Z", "ms": -1707632640436.7092 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-11-21", "window": { "start": { "local": "1915-11-21T11:24:19+08:00", "utc": "1915-11-21T03:24:19Z", "ms": -1707683740852.3872 }, "end": { "local": "1915-11-21T12:12:19+08:00", "utc": "1915-11-21T04:12:19Z", "ms": -1707680860852.3872 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-11-22", "window": { "start": { "local": "1915-11-22T11:24:34+08:00", "utc": "1915-11-22T03:24:34Z", "ms": -1707597326132.4087 }, "end": { "local": "1915-11-22T12:12:34+08:00", "utc": "1915-11-22T04:12:34Z", "ms": -1707594446132.4087 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:30 on Sat 20 Nov to 01:36 on Mon 22 Nov.", "fact": "1915-11-20T15:30:00Z → 1915-11-21T17:36:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 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": "Pūrṇimā 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: unstated → only-day · margin 35314 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Fuzhou, 1915: Sunday 21 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": "1915-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Kārtikī Pūrṇimā 1915 falls on Sunday 21 November. Pūrṇimā runs from 23:30 on Sat 20 Nov to 01:36 on Mon 22 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 332, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-11-20T23:30:00+08:00", "utc": "1915-11-20T15:30:00Z", "ms": -1707726600374.5862 }, "end": { "local": "1915-11-22T01:36:00+08:00", "utc": "1915-11-21T17:36:00Z", "ms": -1707632640436.7092 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1915-11-20T23:30:00+08:00", "utc": "1915-11-20T15:30:00Z", "ms": -1707726600374.5862 }, "end": { "local": "1915-11-22T01:36:00+08:00", "utc": "1915-11-21T17:36:00Z", "ms": -1707632640436.7092 } }, "kaala": "nishita", "days": [ { "local_date": "1915-11-20", "window": { "start": { "local": "1915-11-20T23:24:27+08:00", "utc": "1915-11-20T15:24:27Z", "ms": -1707726932616.3054 }, "end": { "local": "1915-11-21T00:12:27+08:00", "utc": "1915-11-20T16:12:27Z", "ms": -1707724052616.3054 } }, "covered_min": 42, "window_min": 48, "qualifies": true }, { "local_date": "1915-11-21", "window": { "start": { "local": "1915-11-21T23:24:41+08:00", "utc": "1915-11-21T15:24:41Z", "ms": -1707640518650.1743 }, "end": { "local": "1915-11-22T00:12:41+08:00", "utc": "1915-11-21T16:12:41Z", "ms": -1707637638650.1743 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:30 on Sat 20 Nov to 01:36 on Mon 22 Nov.", "fact": "1915-11-20T15:30:00Z → 1915-11-21T17:36:00Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:24–00:12 on the 20th, 23:25–00:13 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 42 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both nights qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 332 s" }, { "step": "ruling", "text": "Rāsayātrā, Fuzhou, 1915: Sunday 21 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": "1915-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Rāsayātrā 1915 falls on Sunday 21 November. Pūrṇimā runs from 23:30 on Sat 20 Nov to 01:36 on Mon 22 Nov and covers all of niśītha that night. It also reaches the previous night for 42 minutes; by the rule the second night is taken.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/sankashta-chaturthi?on=1915-11-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32510, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-11-25T09:10:33+08:00", "utc": "1915-11-25T01:10:33Z", "ms": -1707346166943.7368 }, "end": { "local": "1915-11-26T11:48:50+08:00", "utc": "1915-11-26T03:48:50Z", "ms": -1707250269668.7505 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-11-25T09:10:33+08:00", "utc": "1915-11-25T01:10:33Z", "ms": -1707346166943.7368 }, "end": { "local": "1915-11-26T11:48:50+08:00", "utc": "1915-11-26T03:48:50Z", "ms": -1707250269668.7505 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-11-25", "window": { "start": { "local": "1915-11-25T19:55:40+08:00", "utc": "1915-11-25T11:55:40Z", "ms": -1707307460495.4124 }, "end": { "local": "1915-11-25T19:55:40+08:00", "utc": "1915-11-25T11:55:40Z", "ms": -1707307460495.4124 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1915-11-26", "window": { "start": { "local": "1915-11-26T20:50:41+08:00", "utc": "1915-11-26T12:50:41Z", "ms": -1707217759342.6838 }, "end": { "local": "1915-11-26T20:50:41+08:00", "utc": "1915-11-26T12:50:41Z", "ms": -1707217759342.6838 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:11 on Thu 25 Nov to 11:49 on Fri 26 Nov.", "fact": "1915-11-25T01:10:33Z → 1915-11-26T03:48:50Z" }, { "step": "kaala", "text": "Moonrise is at 19:56 on the 25th and 20:51 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 25th and is not on the 26th.", "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 32510 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1915: Thursday 25 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": "1915-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-11-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1915 falls on Thursday 25 November. Caturthī runs from 09:11 on Thu 25 Nov to 11:49 on Fri 26 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-11-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/ekadashi?on=1915-12-03", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31442, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-12-02T17:10:59+08:00", "utc": "1915-12-02T09:10:59Z", "ms": -1706712541496.4395 }, "end": { "local": "1915-12-03T15:17:42+08:00", "utc": "1915-12-03T07:17:42Z", "ms": -1706632937888.4614 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-12-02T17:10:59+08:00", "utc": "1915-12-02T09:10:59Z", "ms": -1706712541496.4395 }, "end": { "local": "1915-12-03T15:17:42+08:00", "utc": "1915-12-03T07:17:42Z", "ms": -1706632937888.4614 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-12-02", "window": { "start": { "local": "1915-12-02T06:32:57+08:00", "utc": "1915-12-01T22:32:57Z", "ms": -1706750823420.3108 }, "end": { "local": "1915-12-02T06:32:57+08:00", "utc": "1915-12-01T22:32:57Z", "ms": -1706750823420.3108 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-12-03", "window": { "start": { "local": "1915-12-03T06:33:40+08:00", "utc": "1915-12-02T22:33:40Z", "ms": -1706664379595.0085 }, "end": { "local": "1915-12-03T06:33:40+08:00", "utc": "1915-12-02T22:33:40Z", "ms": -1706664379595.0085 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:11 on Thu 2 Dec to 15:18 on Fri 3 Dec.", "fact": "1915-12-02T09:10:59Z → 1915-12-03T07:17:42Z" }, { "step": "kaala", "text": "Sunrise is at 06:33 on the 2nd and 06:34 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31442 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Fuzhou, 1915: Friday 3 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": "1915-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-12-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Utpannā Ekādaśī 1915 falls on Friday 3 December. Ekādaśī runs from 17:11 on Thu 2 Dec to 15:18 on Fri 3 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-12-03", "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/1915/pradosha-vrata?on=1915-12-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16195, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-12-04T12:40:42+08:00", "utc": "1915-12-04T04:40:42Z", "ms": -1706555957889.7407 }, "end": { "local": "1915-12-05T09:28:51+08:00", "utc": "1915-12-05T01:28:51Z", "ms": -1706481068779.5447 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-12-04T12:40:42+08:00", "utc": "1915-12-04T04:40:42Z", "ms": -1706555957889.7407 }, "end": { "local": "1915-12-05T09:28:51+08:00", "utc": "1915-12-05T01:28:51Z", "ms": -1706481068779.5447 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-12-04", "window": { "start": { "local": "1915-12-04T17:10:37+08:00", "utc": "1915-12-04T09:10:37Z", "ms": -1706539762847.2422 }, "end": { "local": "1915-12-04T18:57:53+08:00", "utc": "1915-12-04T10:57:53Z", "ms": -1706533326838.2712 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1915-12-05", "window": { "start": { "local": "1915-12-05T17:10:42+08:00", "utc": "1915-12-05T09:10:42Z", "ms": -1706453357577.1196 }, "end": { "local": "1915-12-05T18:58:03+08:00", "utc": "1915-12-05T10:58:03Z", "ms": -1706446916550.3704 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:41 on Sat 4 Dec to 09:29 on Sun 5 Dec.", "fact": "1915-12-04T04:40:42Z → 1915-12-05T01:28:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:58 on the 4th, 17:11–18:58 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 107 of 107 minutes on the 4th and 0 of 107 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 16195 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1915: Saturday 4 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": "1915-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-12-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1915 falls on Saturday 4 December. Trayodaśī runs from 12:41 on Sat 4 Dec to 09:29 on Sun 5 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-12-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/shivaratri?on=1915-12-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20122, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1915-12-05T09:28:51+08:00", "utc": "1915-12-05T01:28:51Z", "ms": -1706481068779.5447 }, "end": { "local": "1915-12-06T05:52:39+08:00", "utc": "1915-12-05T21:52:39Z", "ms": -1706407641420.9885 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-12-05T09:28:51+08:00", "utc": "1915-12-05T01:28:51Z", "ms": -1706481068779.5447 }, "end": { "local": "1915-12-06T05:52:39+08:00", "utc": "1915-12-05T21:52:39Z", "ms": -1706407641420.9885 } }, "kaala": "nishita", "days": [ { "local_date": "1915-12-04", "window": { "start": { "local": "1915-12-04T23:28:52+08:00", "utc": "1915-12-04T15:28:52Z", "ms": -1706517067813.6008 }, "end": { "local": "1915-12-05T00:16:52+08:00", "utc": "1915-12-04T16:16:52Z", "ms": -1706514187813.6008 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-12-05", "window": { "start": { "local": "1915-12-05T23:29:16+08:00", "utc": "1915-12-05T15:29:16Z", "ms": -1706430643726.8096 }, "end": { "local": "1915-12-06T00:17:16+08:00", "utc": "1915-12-05T16:17:16Z", "ms": -1706427763726.8096 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:29 on Sun 5 Dec to 05:53 on Mon 6 Dec.", "fact": "1915-12-05T01:28:51Z → 1915-12-05T21:52:39Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:29–00:17 on the 4th, 23:29–00:17 on the 5th.", "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 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20122 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1915: Sunday 5 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": "1915-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-12-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1915 falls on Sunday 5 December. Caturdaśī runs from 09:29 on Sun 5 Dec to 05:53 on Mon 6 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1915/shivaratri?on=1915-12-05", "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/1915/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-12-10", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 2, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1915-12-10T12:19:02+08:00", "utc": "1915-12-10T04:19:02Z", "ms": -1706038857568.6555 }, "end": { "local": "1915-12-11T10:04:33+08:00", "utc": "1915-12-11T02:04:33Z", "ms": -1705960526597.7078 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-12-10T12:19:02+08:00", "utc": "1915-12-10T04:19:02Z", "ms": -1706038857568.6555 }, "end": { "local": "1915-12-11T10:04:33+08:00", "utc": "1915-12-11T02:04:33Z", "ms": -1705960526597.7078 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-12-10", "window": { "start": { "local": "1915-12-10T11:31:04+08:00", "utc": "1915-12-10T03:31:04Z", "ms": -1706041735612.4006 }, "end": { "local": "1915-12-10T12:19:04+08:00", "utc": "1915-12-10T04:19:04Z", "ms": -1706038855612.4006 } }, "covered_min": 0, "window_min": 48, "qualifies": true }, { "local_date": "1915-12-11", "window": { "start": { "local": "1915-12-11T11:31:32+08:00", "utc": "1915-12-11T03:31:32Z", "ms": -1705955308277.5996 }, "end": { "local": "1915-12-11T12:19:32+08:00", "utc": "1915-12-11T04:19:32Z", "ms": -1705952428277.5996 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:19 on Fri 10 Dec to 10:05 on Sat 11 Dec.", "fact": "1915-12-10T04:19:02Z → 1915-12-11T02:04:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 10th, 11:32–12:20 on the 11th.", "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 10th and 0 of 48 on the 11th.", "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 2 s < 300 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Fuzhou, 1915: Friday 10 December.", "fact": "confidence: boundary (margin)" } ], "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": "1915-12-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-12-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Pañcamī (Mārgaśīrṣa) 1915 falls on Friday 10 December. Pañcamī runs from 12:19 on Fri 10 Dec to 10:05 on Sat 11 Dec and covers 0 of 48 minutes of madhyāhna that midday. It is 0 min 02 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/vinayaka-chaturthi?on=1915-12-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-12-10", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 2, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-12-09T15:10:31+08:00", "utc": "1915-12-09T07:10:31Z", "ms": -1706114968828.01 }, "end": { "local": "1915-12-10T12:19:02+08:00", "utc": "1915-12-10T04:19:02Z", "ms": -1706038857568.6555 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-12-09T15:10:31+08:00", "utc": "1915-12-09T07:10:31Z", "ms": -1706114968828.01 }, "end": { "local": "1915-12-10T12:19:02+08:00", "utc": "1915-12-10T04:19:02Z", "ms": -1706038857568.6555 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-12-09", "window": { "start": { "local": "1915-12-09T11:30:37+08:00", "utc": "1915-12-09T03:30:37Z", "ms": -1706128162517.4111 }, "end": { "local": "1915-12-09T12:18:37+08:00", "utc": "1915-12-09T04:18:37Z", "ms": -1706125282517.4111 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1915-12-10", "window": { "start": { "local": "1915-12-10T11:31:04+08:00", "utc": "1915-12-10T03:31:04Z", "ms": -1706041735612.4006 }, "end": { "local": "1915-12-10T12:19:04+08:00", "utc": "1915-12-10T04:19:04Z", "ms": -1706038855612.4006 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:11 on Thu 9 Dec to 12:19 on Fri 10 Dec.", "fact": "1915-12-09T07:10:31Z → 1915-12-10T04:19:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 9th, 11:31–12:19 on the 10th.", "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 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1915: Friday 10 December.", "fact": "confidence: boundary (margin)" } ], "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": "1915-12-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-12-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1915 falls on Friday 10 December. Caturthī runs from 15:11 on Thu 9 Dec to 12:19 on Fri 10 Dec and covers all of madhyāhna that midday. It is 0 min 02 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1915/vinayaka-chaturthi?on=1915-12-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1915/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5218, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1915-12-11T10:04:33+08:00", "utc": "1915-12-11T02:04:33Z", "ms": -1705960526597.7078 }, "end": { "local": "1915-12-12T08:32:20+08:00", "utc": "1915-12-12T00:32:20Z", "ms": -1705879660123.02 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-12-11T10:04:33+08:00", "utc": "1915-12-11T02:04:33Z", "ms": -1705960526597.7078 }, "end": { "local": "1915-12-12T08:32:20+08:00", "utc": "1915-12-12T00:32:20Z", "ms": -1705879660123.02 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-12-11", "window": { "start": { "local": "1915-12-11T11:31:32+08:00", "utc": "1915-12-11T03:31:32Z", "ms": -1705955308277.5996 }, "end": { "local": "1915-12-11T12:19:32+08:00", "utc": "1915-12-11T04:19:32Z", "ms": -1705952428277.5996 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-12-12", "window": { "start": { "local": "1915-12-12T11:31:59+08:00", "utc": "1915-12-12T03:31:59Z", "ms": -1705868880545.025 }, "end": { "local": "1915-12-12T12:19:59+08:00", "utc": "1915-12-12T04:19:59Z", "ms": -1705866000545.025 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:05 on Sat 11 Dec to 08:32 on Sun 12 Dec.", "fact": "1915-12-11T02:04:33Z → 1915-12-12T00:32:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 11th, 11:32–12:20 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5218 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Fuzhou, 1915: Saturday 11 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-12-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Campā Ṣaṣṭhī 1915 falls on Saturday 11 December. Ṣaṣṭhī runs from 10:05 on Sat 11 Dec to 08:32 on Sun 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5218, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1915-12-11T10:04:33+08:00", "utc": "1915-12-11T02:04:33Z", "ms": -1705960526597.7078 }, "end": { "local": "1915-12-12T08:32:20+08:00", "utc": "1915-12-12T00:32:20Z", "ms": -1705879660123.02 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-12-11T10:04:33+08:00", "utc": "1915-12-11T02:04:33Z", "ms": -1705960526597.7078 }, "end": { "local": "1915-12-12T08:32:20+08:00", "utc": "1915-12-12T00:32:20Z", "ms": -1705879660123.02 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-12-11", "window": { "start": { "local": "1915-12-11T11:31:32+08:00", "utc": "1915-12-11T03:31:32Z", "ms": -1705955308277.5996 }, "end": { "local": "1915-12-11T12:19:32+08:00", "utc": "1915-12-11T04:19:32Z", "ms": -1705952428277.5996 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-12-12", "window": { "start": { "local": "1915-12-12T11:31:59+08:00", "utc": "1915-12-12T03:31:59Z", "ms": -1705868880545.025 }, "end": { "local": "1915-12-12T12:19:59+08:00", "utc": "1915-12-12T04:19:59Z", "ms": -1705866000545.025 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:05 on Sat 11 Dec to 08:32 on Sun 12 Dec.", "fact": "1915-12-11T02:04:33Z → 1915-12-12T00:32:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 11th, 11:32–12:20 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5218 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Fuzhou, 1915: Saturday 11 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-12-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī 1915 falls on Saturday 11 December. Ṣaṣṭhī runs from 10:05 on Sat 11 Dec to 08:32 on Sun 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10780, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1915-12-12T08:32:20+08:00", "utc": "1915-12-12T00:32:20Z", "ms": -1705879660123.02 }, "end": { "local": "1915-12-13T07:44:54+08:00", "utc": "1915-12-12T23:44:54Z", "ms": -1705796106107.521 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-12-12T08:32:20+08:00", "utc": "1915-12-12T00:32:20Z", "ms": -1705879660123.02 }, "end": { "local": "1915-12-13T07:44:54+08:00", "utc": "1915-12-12T23:44:54Z", "ms": -1705796106107.521 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-12-12", "window": { "start": { "local": "1915-12-12T11:31:59+08:00", "utc": "1915-12-12T03:31:59Z", "ms": -1705868880545.025 }, "end": { "local": "1915-12-12T12:19:59+08:00", "utc": "1915-12-12T04:19:59Z", "ms": -1705866000545.025 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-12-13", "window": { "start": { "local": "1915-12-13T11:32:28+08:00", "utc": "1915-12-13T03:32:28Z", "ms": -1705782452445.9807 }, "end": { "local": "1915-12-13T12:20:28+08:00", "utc": "1915-12-13T04:20:28Z", "ms": -1705779572445.9807 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:32 on Sun 12 Dec to 07:45 on Mon 13 Dec.", "fact": "1915-12-12T00:32:20Z → 1915-12-12T23:44:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 12th, 11:32–12:20 on the 13th.", "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 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10780 s" }, { "step": "ruling", "text": "Mitra Saptamī, Fuzhou, 1915: Sunday 12 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-12-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Mitra Saptamī 1915 falls on Sunday 12 December. Saptamī runs from 08:32 on Sun 12 Dec to 07:45 on Mon 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/ekadashi?on=1915-12-17", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10287, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1915-12-16T09:33:57+08:00", "utc": "1915-12-16T01:33:57Z", "ms": -1705530363185.8762 }, "end": { "local": "1915-12-17T11:17:06+08:00", "utc": "1915-12-17T03:17:06Z", "ms": -1705437773625.3108 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-12-16T09:33:57+08:00", "utc": "1915-12-16T01:33:57Z", "ms": -1705530363185.8762 }, "end": { "local": "1915-12-17T11:17:06+08:00", "utc": "1915-12-17T03:17:06Z", "ms": -1705437773625.3108 } }, "kaala": "sunrise", "days": [ { "local_date": "1915-12-16", "window": { "start": { "local": "1915-12-16T06:42:30+08:00", "utc": "1915-12-15T22:42:30Z", "ms": -1705540650271.6758 }, "end": { "local": "1915-12-16T06:42:30+08:00", "utc": "1915-12-15T22:42:30Z", "ms": -1705540650271.6758 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-12-17", "window": { "start": { "local": "1915-12-17T06:43:06+08:00", "utc": "1915-12-16T22:43:06Z", "ms": -1705454214203.6162 }, "end": { "local": "1915-12-17T06:43:06+08:00", "utc": "1915-12-16T22:43:06Z", "ms": -1705454214203.6162 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:34 on Thu 16 Dec to 11:17 on Fri 17 Dec.", "fact": "1915-12-16T01:33:57Z → 1915-12-17T03:17:06Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 16th and 06:43 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10287 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Fuzhou, 1915: Friday 17 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": "1915-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-12-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Mokṣadā Ekādaśī 1915 falls on Friday 17 December. Ekādaśī runs from 09:34 on Thu 16 Dec to 11:17 on Fri 17 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/ekadashi?on=1915-12-17", "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/1915/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1037, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1915-12-17T11:17:06+08:00", "utc": "1915-12-17T03:17:06Z", "ms": -1705437773625.3108 }, "end": { "local": "1915-12-18T13:22:34+08:00", "utc": "1915-12-18T05:22:34Z", "ms": -1705343846492.319 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-12-17T11:17:06+08:00", "utc": "1915-12-17T03:17:06Z", "ms": -1705437773625.3108 }, "end": { "local": "1915-12-18T13:22:34+08:00", "utc": "1915-12-18T05:22:34Z", "ms": -1705343846492.319 } }, "kaala": "madhyahna", "days": [ { "local_date": "1915-12-17", "window": { "start": { "local": "1915-12-17T11:34:23+08:00", "utc": "1915-12-17T03:34:23Z", "ms": -1705436736997.5876 }, "end": { "local": "1915-12-17T12:22:23+08:00", "utc": "1915-12-17T04:22:23Z", "ms": -1705433856997.5876 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1915-12-18", "window": { "start": { "local": "1915-12-18T11:34:52+08:00", "utc": "1915-12-18T03:34:52Z", "ms": -1705350307524.5212 }, "end": { "local": "1915-12-18T12:22:52+08:00", "utc": "1915-12-18T04:22:52Z", "ms": -1705347427524.5212 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:17 on Fri 17 Dec to 13:23 on Sat 18 Dec.", "fact": "1915-12-17T03:17:06Z → 1915-12-18T05:22:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 17th, 11:35–12:23 on the 18th.", "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 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1037 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Fuzhou, 1915: Saturday 18 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-12-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Akhaṇḍa Dvādaśī 1915 falls on Saturday 18 December. Dvādaśī runs from 11:17 on Fri 17 Dec to 13:23 on Sat 18 Dec and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/1915/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/1915/pradosha-vrata?on=1915-12-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5437, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1915-12-18T13:22:34+08:00", "utc": "1915-12-18T05:22:34Z", "ms": -1705343846492.319 }, "end": { "local": "1915-12-19T15:43:52+08:00", "utc": "1915-12-19T07:43:52Z", "ms": -1705248968203.8098 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-12-18T13:22:34+08:00", "utc": "1915-12-18T05:22:34Z", "ms": -1705343846492.319 }, "end": { "local": "1915-12-19T15:43:52+08:00", "utc": "1915-12-19T07:43:52Z", "ms": -1705248968203.8098 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-12-18", "window": { "start": { "local": "1915-12-18T17:14:04+08:00", "utc": "1915-12-18T09:14:04Z", "ms": -1705329956049.9646 }, "end": { "local": "1915-12-18T19:02:05+08:00", "utc": "1915-12-18T11:02:05Z", "ms": -1705323474535.8132 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1915-12-19", "window": { "start": { "local": "1915-12-19T17:14:29+08:00", "utc": "1915-12-19T09:14:29Z", "ms": -1705243531042.2314 }, "end": { "local": "1915-12-19T19:02:32+08:00", "utc": "1915-12-19T11:02:32Z", "ms": -1705237048412.9878 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:23 on Sat 18 Dec to 15:44 on Sun 19 Dec.", "fact": "1915-12-18T05:22:34Z → 1915-12-19T07:43:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–19:02 on the 18th, 17:14–19:03 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 18th and 0 of 108 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5437 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1915: Saturday 18 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": "1915-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-12-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1915 falls on Saturday 18 December. Trayodaśī runs from 13:23 on Sat 18 Dec to 15:44 on Sun 19 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1915/pradosha-vrata?on=1915-12-18", "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/1915/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-12-21", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2858, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1915-12-20T18:15:21+08:00", "utc": "1915-12-20T10:15:21Z", "ms": -1705153479044.699 }, "end": { "local": "1915-12-21T20:51:57+08:00", "utc": "1915-12-21T12:51:57Z", "ms": -1705057683004.472 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-12-20T18:15:21+08:00", "utc": "1915-12-20T10:15:21Z", "ms": -1705153479044.699 }, "end": { "local": "1915-12-21T20:51:57+08:00", "utc": "1915-12-21T12:51:57Z", "ms": -1705057683004.472 } }, "kaala": "pradosha", "days": [ { "local_date": "1915-12-20", "window": { "start": { "local": "1915-12-20T17:14:55+08:00", "utc": "1915-12-20T09:14:55Z", "ms": -1705157104794.6433 }, "end": { "local": "1915-12-20T19:02:59+08:00", "utc": "1915-12-20T11:02:59Z", "ms": -1705150621344.7734 } }, "covered_min": 48, "window_min": 108, "qualifies": true }, { "local_date": "1915-12-21", "window": { "start": { "local": "1915-12-21T17:15:23+08:00", "utc": "1915-12-21T09:15:23Z", "ms": -1705070677334.4268 }, "end": { "local": "1915-12-21T19:03:27+08:00", "utc": "1915-12-21T11:03:27Z", "ms": -1705064193359.2444 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:15 on Mon 20 Dec to 20:52 on Tue 21 Dec.", "fact": "1915-12-20T10:15:21Z → 1915-12-21T12:51:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–19:03 on the 20th, 17:15–19:03 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 48 of 108 minutes on the 20th and 108 of 108 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2858 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Fuzhou, 1915: Tuesday 21 December.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "dattatreyotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Dattatreyotpatti (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1915-12-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-12-21", "confidence": "boundary" } ], "quote": "In Fuzhou, Dattātreyotpatti (Datta Jayanti) 1915 falls on Tuesday 21 December. Pūrṇimā runs from 18:15 on Mon 20 Dec to 20:52 on Tue 21 Dec and covers all of pradoṣa that evening. It also reaches the previous evening 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/1915/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/1915/sankashta-chaturthi?on=1915-12-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1915, "local_date": "1915-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31144, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1915-12-25T04:19:45+08:00", "utc": "1915-12-24T20:19:45Z", "ms": -1704771614958.6812 }, "end": { "local": "1915-12-26T06:20:06+08:00", "utc": "1915-12-25T22:20:06Z", "ms": -1704677994188.604 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1915-12-25T04:19:45+08:00", "utc": "1915-12-24T20:19:45Z", "ms": -1704771614958.6812 }, "end": { "local": "1915-12-26T06:20:06+08:00", "utc": "1915-12-25T22:20:06Z", "ms": -1704677994188.604 } }, "kaala": "moonrise", "days": [ { "local_date": "1915-12-24", "window": { "start": { "local": "1915-12-24T19:40:41+08:00", "utc": "1915-12-24T11:40:41Z", "ms": -1704802758997.7317 }, "end": { "local": "1915-12-24T19:40:41+08:00", "utc": "1915-12-24T11:40:41Z", "ms": -1704802758997.7317 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1915-12-25", "window": { "start": { "local": "1915-12-25T20:35:30+08:00", "utc": "1915-12-25T12:35:30Z", "ms": -1704713070110.5662 }, "end": { "local": "1915-12-25T20:35:30+08:00", "utc": "1915-12-25T12:35:30Z", "ms": -1704713070110.5662 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:20 on Sat 25 Dec to 06:20 on Sun 26 Dec.", "fact": "1915-12-24T20:19:45Z → 1915-12-25T22:20:06Z" }, { "step": "kaala", "text": "Moonrise is at 19:41 on the 24th and 20:35 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is on the 25th.", "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 31144 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1915: Saturday 25 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": "1915-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1915-12-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1915 falls on Saturday 25 December. Caturthī runs from 04:20 on Sat 25 Dec to 06:20 on Sun 26 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1915/sankashta-chaturthi?on=1915-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }