{ "id": "/ningbo/festivals/2000", "place": { "id": "1799397", "slug": "ningbo", "name": "Ningbo", "region": "Zhejiang, China", "country": "CN", "lat": 29.87819, "lon": 121.54945, "elevation_m": 15, "tz": "Asia/Shanghai" }, "year": 2000, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/ningbo/festivals/2000/ekadashi?on=2000-01-02", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-01-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24271, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-01-01T13:33:58+08:00", "utc": "2000-01-01T05:33:58Z", "ms": 946704838135.4757 }, "end": { "local": "2000-01-02T15:49:46+08:00", "utc": "2000-01-02T07:49:46Z", "ms": 946799386376.2157 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-01-01T13:33:58+08:00", "utc": "2000-01-01T05:33:58Z", "ms": 946704838135.4757 }, "end": { "local": "2000-01-02T15:49:46+08:00", "utc": "2000-01-02T07:49:46Z", "ms": 946799386376.2157 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-01-01", "window": { "start": { "local": "2000-01-01T06:49:28+08:00", "utc": "1999-12-31T22:49:28Z", "ms": 946680567601.1893 }, "end": { "local": "2000-01-01T06:49:28+08:00", "utc": "1999-12-31T22:49:28Z", "ms": 946680567601.1893 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-01-02", "window": { "start": { "local": "2000-01-02T06:49:43+08:00", "utc": "2000-01-01T22:49:43Z", "ms": 946766983059.3547 }, "end": { "local": "2000-01-02T06:49:43+08:00", "utc": "2000-01-01T22:49:43Z", "ms": 946766983059.3547 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:34 on Sat 1 Jan to 15:50 on Sun 2 Jan.", "fact": "2000-01-01T05:33:58Z → 2000-01-02T07:49:46Z" }, { "step": "kaala", "text": "Sunrise is at 06:49 on the 1st and 06:50 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24271 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Ningbo, 2000: Sunday 2 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": "2000-01-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-01-02", "confidence": "determinate" } ], "quote": "In Ningbo, Saphalā Ekādaśī 2000 falls on Sunday 2 January. Ekādaśī runs from 13:34 on Sat 1 Jan to 15:50 on Sun 2 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-01-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-01-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-01-04", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2045, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-01-03T18:21:42+08:00", "utc": "2000-01-03T10:21:42Z", "ms": 946894902206.5374 }, "end": { "local": "2000-01-04T21:01:08+08:00", "utc": "2000-01-04T13:01:08Z", "ms": 946990867892.9945 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-01-03T18:21:42+08:00", "utc": "2000-01-03T10:21:42Z", "ms": 946894902206.5374 }, "end": { "local": "2000-01-04T21:01:08+08:00", "utc": "2000-01-04T13:01:08Z", "ms": 946990867892.9945 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-01-03", "window": { "start": { "local": "2000-01-03T17:05:53+08:00", "utc": "2000-01-03T09:05:53Z", "ms": 946890353348.0947 }, "end": { "local": "2000-01-03T18:55:47+08:00", "utc": "2000-01-03T10:55:47Z", "ms": 946896947476.1857 } }, "covered_min": 34, "window_min": 110, "qualifies": true }, { "local_date": "2000-01-04", "window": { "start": { "local": "2000-01-04T17:06:37+08:00", "utc": "2000-01-04T09:06:37Z", "ms": 946976797138.6655 }, "end": { "local": "2000-01-04T18:56:27+08:00", "utc": "2000-01-04T10:56:27Z", "ms": 946983386861.483 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:22 on Mon 3 Jan to 21:01 on Tue 4 Jan.", "fact": "2000-01-03T10:21:42Z → 2000-01-04T13:01:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:06–18:56 on the 3rd, 17:07–18:56 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 34 of 110 minutes on the 3rd and 110 of 110 on the 4th.", "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 2045 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ningbo, 2000: Tuesday 4 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-01-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-01-04", "confidence": "boundary" } ], "quote": "In Ningbo, Kṛṣṇa Pradoṣa Vrata 2000 falls on Tuesday 4 January. Trayodaśī runs from 18:22 on Mon 3 Jan to 21:01 on Tue 4 Jan and covers all of pradoṣa that evening. It also reaches the previous evening for 34 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/ningbo/festivals/2000/pradosha-vrata?on=2000-01-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shivaratri?on=2000-01-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-01-04", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 338, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-01-04T21:01:08+08:00", "utc": "2000-01-04T13:01:08Z", "ms": 946990867892.9945 }, "end": { "local": "2000-01-05T23:40:33+08:00", "utc": "2000-01-05T15:40:33Z", "ms": 947086833139.0986 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-01-04T21:01:08+08:00", "utc": "2000-01-04T13:01:08Z", "ms": 946990867892.9945 }, "end": { "local": "2000-01-05T23:40:33+08:00", "utc": "2000-01-05T15:40:33Z", "ms": 947086833139.0986 } }, "kaala": "nishita", "days": [ { "local_date": "2000-01-04", "window": { "start": { "local": "2000-01-04T23:34:29+08:00", "utc": "2000-01-04T15:34:29Z", "ms": 947000068599.2314 }, "end": { "local": "2000-01-05T00:22:29+08:00", "utc": "2000-01-04T16:22:29Z", "ms": 947002948599.2314 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-01-05", "window": { "start": { "local": "2000-01-05T23:34:55+08:00", "utc": "2000-01-05T15:34:55Z", "ms": 947086495481.2617 }, "end": { "local": "2000-01-06T00:22:55+08:00", "utc": "2000-01-05T16:22:55Z", "ms": 947089375481.2617 } }, "covered_min": 6, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:01 on Tue 4 Jan to 23:41 on Wed 5 Jan.", "fact": "2000-01-04T13:01:08Z → 2000-01-05T15:40:33Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:34–00:22 on the 4th, 23:35–00:23 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 48 of 48 minutes on the 4th and 6 of 48 on the 5th.", "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 338 s" }, { "step": "ruling", "text": "Śivarātri, Ningbo, 2000: Tuesday 4 January.", "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": "2000-01-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-01-04", "confidence": "boundary" } ], "quote": "In Ningbo, Śivarātri 2000 falls on Tuesday 4 January. Caturdaśī runs from 21:01 on Tue 4 Jan to 23:41 on Wed 5 Jan and covers all of niśītha that night. It also reaches the next night for 6 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/ningbo/festivals/2000/shivaratri?on=2000-01-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-01-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-01-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7161, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-01-10T08:22:05+08:00", "utc": "2000-01-10T00:22:05Z", "ms": 947463725179.3119 }, "end": { "local": "2000-01-11T09:38:06+08:00", "utc": "2000-01-11T01:38:06Z", "ms": 947554685813.496 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-01-10T08:22:05+08:00", "utc": "2000-01-10T00:22:05Z", "ms": 947463725179.3119 }, "end": { "local": "2000-01-11T09:38:06+08:00", "utc": "2000-01-11T01:38:06Z", "ms": 947554685813.496 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-01-10", "window": { "start": { "local": "2000-01-10T11:37:03+08:00", "utc": "2000-01-10T03:37:03Z", "ms": 947475422518.3174 }, "end": { "local": "2000-01-10T12:25:03+08:00", "utc": "2000-01-10T04:25:03Z", "ms": 947478302518.3174 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-01-11", "window": { "start": { "local": "2000-01-11T11:37:27+08:00", "utc": "2000-01-11T03:37:27Z", "ms": 947561847263.0371 }, "end": { "local": "2000-01-11T12:25:27+08:00", "utc": "2000-01-11T04:25:27Z", "ms": 947564727263.0371 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:22 on Mon 10 Jan to 09:38 on Tue 11 Jan.", "fact": "2000-01-10T00:22:05Z → 2000-01-11T01:38:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 10th, 11:37–12:25 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 7161 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ningbo, 2000: Monday 10 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-01-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-01-10", "confidence": "determinate" } ], "quote": "In Ningbo, Vināyaka Caturthī 2000 falls on Monday 10 January. Caturthī runs from 08:22 on Mon 10 Jan to 09:38 on Tue 11 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-01-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29681, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2000-01-15T01:29:14+08:00", "utc": "2000-01-14T17:29:14Z", "ms": 947870954008.4812 }, "end": { "local": "2000-02-13T14:28:56+08:00", "utc": "2000-02-13T06:28:56Z", "ms": 950423336370.0354 } }, "span": { "of": "transit", "start": { "local": "2000-01-15T01:29:14+08:00", "utc": "2000-01-14T17:29:14Z", "ms": 947870954008.4812 }, "end": { "local": "2000-01-15T01:29:14+08:00", "utc": "2000-01-14T17:29:14Z", "ms": 947870954008.4812 } }, "kaala": "sunset-day", "days": [ { "local_date": "2000-01-14", "window": { "start": { "local": "2000-01-13T17:13:43+08:00", "utc": "2000-01-13T09:13:43Z", "ms": 947754822885.183 }, "end": { "local": "2000-01-14T17:14:33+08:00", "utc": "2000-01-14T09:14:33Z", "ms": 947841272846.0669 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2000-01-15", "window": { "start": { "local": "2000-01-14T17:14:33+08:00", "utc": "2000-01-14T09:14:33Z", "ms": 947841272846.0669 }, "end": { "local": "2000-01-15T17:15:23+08:00", "utc": "2000-01-15T09:15:23Z", "ms": 947927723173.8175 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2000-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 01:29 on Sat 15 Jan.", "fact": "2000-01-14T17:29:14Z · 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 17:15, and the day of the 15th ends at 17:15.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 29681 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Saturday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Ningbo, 2000: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2000-01-14", "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": "2000-01-13", "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 Ningbo, Bhogi 2000 falls on Friday 14 January. It is kept the day before Pongal, which falls on Saturday 15 January. The Sun enters Makara at 01:29 on Sat 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29681, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2000-01-15T01:29:14+08:00", "utc": "2000-01-14T17:29:14Z", "ms": 947870954008.4812 }, "end": { "local": "2000-02-13T14:28:56+08:00", "utc": "2000-02-13T06:28:56Z", "ms": 950423336370.0354 } }, "span": { "of": "transit", "start": { "local": "2000-01-15T01:29:14+08:00", "utc": "2000-01-14T17:29:14Z", "ms": 947870954008.4812 }, "end": { "local": "2000-01-15T01:29:14+08:00", "utc": "2000-01-14T17:29:14Z", "ms": 947870954008.4812 } }, "kaala": "sunset-day", "days": [ { "local_date": "2000-01-14", "window": { "start": { "local": "2000-01-13T17:13:43+08:00", "utc": "2000-01-13T09:13:43Z", "ms": 947754822885.183 }, "end": { "local": "2000-01-14T17:14:33+08:00", "utc": "2000-01-14T09:14:33Z", "ms": 947841272846.0669 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2000-01-15", "window": { "start": { "local": "2000-01-14T17:14:33+08:00", "utc": "2000-01-14T09:14:33Z", "ms": 947841272846.0669 }, "end": { "local": "2000-01-15T17:15:23+08:00", "utc": "2000-01-15T09:15:23Z", "ms": 947927723173.8175 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 01:29 on Sat 15 Jan.", "fact": "2000-01-14T17:29:14Z · 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 17:15, and the day of the 15th ends at 17:15.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 29681 s" }, { "step": "ruling", "text": "Pongal, Ningbo, 2000: Saturday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2000-01-15", "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": "2000-01-14", "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 Ningbo, Pongal 2000 falls on Saturday 15 January. The Sun enters Makara at 01:29 on Sat 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5354, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2000-01-15T01:29:14+08:00", "utc": "2000-01-14T17:29:14Z", "ms": 947870954008.4812 }, "end": { "local": "2000-02-13T14:28:56+08:00", "utc": "2000-02-13T06:28:56Z", "ms": 950423336370.0354 } }, "span": { "of": "transit", "start": { "local": "2000-01-15T01:29:14+08:00", "utc": "2000-01-14T17:29:14Z", "ms": 947870954008.4812 }, "end": { "local": "2000-01-15T01:29:14+08:00", "utc": "2000-01-14T17:29:14Z", "ms": 947870954008.4812 } }, "kaala": "civil-day", "days": [ { "local_date": "2000-01-14", "window": { "start": { "local": "2000-01-14T00:00:00+08:00", "utc": "2000-01-13T16:00:00Z", "ms": 947779200000 }, "end": { "local": "2000-01-15T00:00:00+08:00", "utc": "2000-01-14T16:00:00Z", "ms": 947865600000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2000-01-15", "window": { "start": { "local": "2000-01-15T00:00:00+08:00", "utc": "2000-01-14T16:00:00Z", "ms": 947865600000 }, "end": { "local": "2000-01-16T00:00:00+08:00", "utc": "2000-01-15T16:00:00Z", "ms": 947952000000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 01:29 on Sat 15 Jan.", "fact": "2000-01-14T17:29:14Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Ningbo.", "fact": "civil-day: midnight-to-midnight · Asia/Shanghai" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 15th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 5354 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Ningbo, 2000: Saturday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2000-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2000-01-15", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Ningbo, Makara Saṅkrānti 2000 falls on Saturday 15 January. The Sun enters Makara at 01:29 on Sat 15 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29681, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2000-01-15T01:29:14+08:00", "utc": "2000-01-14T17:29:14Z", "ms": 947870954008.4812 }, "end": { "local": "2000-02-13T14:28:56+08:00", "utc": "2000-02-13T06:28:56Z", "ms": 950423336370.0354 } }, "span": { "of": "transit", "start": { "local": "2000-01-15T01:29:14+08:00", "utc": "2000-01-14T17:29:14Z", "ms": 947870954008.4812 }, "end": { "local": "2000-01-15T01:29:14+08:00", "utc": "2000-01-14T17:29:14Z", "ms": 947870954008.4812 } }, "kaala": "sunset-day", "days": [ { "local_date": "2000-01-14", "window": { "start": { "local": "2000-01-13T17:13:43+08:00", "utc": "2000-01-13T09:13:43Z", "ms": 947754822885.183 }, "end": { "local": "2000-01-14T17:14:33+08:00", "utc": "2000-01-14T09:14:33Z", "ms": 947841272846.0669 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2000-01-15", "window": { "start": { "local": "2000-01-14T17:14:33+08:00", "utc": "2000-01-14T09:14:33Z", "ms": 947841272846.0669 }, "end": { "local": "2000-01-15T17:15:23+08:00", "utc": "2000-01-15T09:15:23Z", "ms": 947927723173.8175 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2000-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 01:29 on Sat 15 Jan.", "fact": "2000-01-14T17:29:14Z · 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 17:15, and the day of the 15th ends at 17:15.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 29681 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Saturday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Ningbo, 2000: Sunday 16 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2000-01-16", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2000-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Ningbo, Mattu Pongal 2000 falls on Sunday 16 January. It is kept the day after Pongal, which falls on Saturday 15 January. The Sun enters Makara at 01:29 on Sat 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from sunrise, as in Orissa, it is 15 January.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-01-17", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7150, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-01-17T04:51:11+08:00", "utc": "2000-01-16T20:51:11Z", "ms": 948055870637.8601 }, "end": { "local": "2000-01-18T02:03:18+08:00", "utc": "2000-01-17T18:03:18Z", "ms": 948132198210.4174 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-01-17T04:51:11+08:00", "utc": "2000-01-16T20:51:11Z", "ms": 948055870637.8601 }, "end": { "local": "2000-01-18T02:03:18+08:00", "utc": "2000-01-17T18:03:18Z", "ms": 948132198210.4174 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-01-17", "window": { "start": { "local": "2000-01-17T06:50:20+08:00", "utc": "2000-01-16T22:50:20Z", "ms": 948063020178.66 }, "end": { "local": "2000-01-17T06:50:20+08:00", "utc": "2000-01-16T22:50:20Z", "ms": 948063020178.66 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-01-18", "window": { "start": { "local": "2000-01-18T06:50:09+08:00", "utc": "2000-01-17T22:50:09Z", "ms": 948149409252.751 }, "end": { "local": "2000-01-18T06:50:09+08:00", "utc": "2000-01-17T22:50:09Z", "ms": 948149409252.751 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:51 on Mon 17 Jan to 02:03 on Tue 18 Jan.", "fact": "2000-01-16T20:51:11Z → 2000-01-17T18:03:18Z" }, { "step": "kaala", "text": "Sunrise is at 06:50 on the 17th and 06:50 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 7150 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Ningbo, 2000: Monday 17 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": "2000-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-01-17", "confidence": "determinate" } ], "quote": "In Ningbo, Putradā Ekādaśī 2000 falls on Monday 17 January. Ekādaśī runs from 04:51 on Mon 17 Jan to 02:03 on Tue 18 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-01-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-01-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1426, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-01-18T22:53:45+08:00", "utc": "2000-01-18T14:53:45Z", "ms": 948207224932.2104 }, "end": { "local": "2000-01-19T19:30:41+08:00", "utc": "2000-01-19T11:30:41Z", "ms": 948281440999.8925 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-01-18T22:53:45+08:00", "utc": "2000-01-18T14:53:45Z", "ms": 948207224932.2104 }, "end": { "local": "2000-01-19T19:30:41+08:00", "utc": "2000-01-19T11:30:41Z", "ms": 948281440999.8925 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-01-18", "window": { "start": { "local": "2000-01-18T17:17:56+08:00", "utc": "2000-01-18T09:17:56Z", "ms": 948187075955.8005 }, "end": { "local": "2000-01-18T19:06:12+08:00", "utc": "2000-01-18T11:06:12Z", "ms": 948193572049.1123 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "2000-01-19", "window": { "start": { "local": "2000-01-19T17:18:47+08:00", "utc": "2000-01-19T09:18:47Z", "ms": 948273527358.1171 }, "end": { "local": "2000-01-19T19:06:55+08:00", "utc": "2000-01-19T11:06:55Z", "ms": 948280014696.9523 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:54 on Tue 18 Jan to 19:31 on Wed 19 Jan.", "fact": "2000-01-18T14:53:45Z → 2000-01-19T11:30:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–19:06 on the 18th, 17:19–19:07 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 108 minutes on the 18th and 108 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 1426 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ningbo, 2000: Wednesday 19 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-01-19", "confidence": "determinate" } ], "quote": "In Ningbo, Śukla Pradoṣa Vrata 2000 falls on Wednesday 19 January. Trayodaśī runs from 22:54 on Tue 18 Jan to 19:31 on Wed 19 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-01-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/sankashta-chaturthi?on=2000-01-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22634, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-01-24T04:36:49+08:00", "utc": "2000-01-23T20:36:49Z", "ms": 948659808673.0631 }, "end": { "local": "2000-01-25T03:05:41+08:00", "utc": "2000-01-24T19:05:41Z", "ms": 948740741094.7937 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-01-24T04:36:49+08:00", "utc": "2000-01-23T20:36:49Z", "ms": 948659808673.0631 }, "end": { "local": "2000-01-25T03:05:41+08:00", "utc": "2000-01-24T19:05:41Z", "ms": 948740741094.7937 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-01-23", "window": { "start": { "local": "2000-01-23T19:45:25+08:00", "utc": "2000-01-23T11:45:25Z", "ms": 948627925151.5856 }, "end": { "local": "2000-01-23T19:45:25+08:00", "utc": "2000-01-23T11:45:25Z", "ms": 948627925151.5856 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-01-24", "window": { "start": { "local": "2000-01-24T20:48:28+08:00", "utc": "2000-01-24T12:48:28Z", "ms": 948718107543.5558 }, "end": { "local": "2000-01-24T20:48:28+08:00", "utc": "2000-01-24T12:48:28Z", "ms": 948718107543.5558 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:37 on Mon 24 Jan to 03:06 on Tue 25 Jan.", "fact": "2000-01-23T20:36:49Z → 2000-01-24T19:05:41Z" }, { "step": "kaala", "text": "Moonrise is at 19:45 on the 23rd and 20:48 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 23rd and is on the 24th.", "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 22634 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ningbo, 2000: Monday 24 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": "2000-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-01-24", "confidence": "determinate" } ], "quote": "In Ningbo, Saṅkaṣṭa Caturthī 2000 falls on Monday 24 January. Caturthī runs from 04:37 on Mon 24 Jan to 03:06 on Tue 25 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/sankashta-chaturthi?on=2000-01-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/ekadashi?on=2000-02-01", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9733, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-01-31T09:27:34+08:00", "utc": "2000-01-31T01:27:34Z", "ms": 949282054038.2714 }, "end": { "local": "2000-02-01T12:08:38+08:00", "utc": "2000-02-01T04:08:38Z", "ms": 949378117796.7206 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-01-31T09:27:34+08:00", "utc": "2000-01-31T01:27:34Z", "ms": 949282054038.2714 }, "end": { "local": "2000-02-01T12:08:38+08:00", "utc": "2000-02-01T04:08:38Z", "ms": 949378117796.7206 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-01-31", "window": { "start": { "local": "2000-01-31T06:45:21+08:00", "utc": "2000-01-30T22:45:21Z", "ms": 949272320593.9242 }, "end": { "local": "2000-01-31T06:45:21+08:00", "utc": "2000-01-30T22:45:21Z", "ms": 949272320593.9242 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-02-01", "window": { "start": { "local": "2000-02-01T06:44:48+08:00", "utc": "2000-01-31T22:44:48Z", "ms": 949358687697.2603 }, "end": { "local": "2000-02-01T06:44:48+08:00", "utc": "2000-01-31T22:44:48Z", "ms": 949358687697.2603 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:28 on Mon 31 Jan to 12:09 on Tue 1 Feb.", "fact": "2000-01-31T01:27:34Z → 2000-02-01T04:08:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:45 on the 31st and 06:45 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 31st and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9733 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Ningbo, 2000: Tuesday 1 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-01", "confidence": "determinate" } ], "quote": "In Ningbo, Ṣaṭtilā Ekādaśī 2000 falls on Tuesday 1 February. Ekādaśī runs from 09:28 on Mon 31 Jan to 12:09 on Tue 1 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-02-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-02-02", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1041, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-02-02T14:47:39+08:00", "utc": "2000-02-02T06:47:39Z", "ms": 949474059247.3599 }, "end": { "local": "2000-02-03T17:14:23+08:00", "utc": "2000-02-03T09:14:23Z", "ms": 949569262821.84 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-02-02T14:47:39+08:00", "utc": "2000-02-02T06:47:39Z", "ms": 949474059247.3599 }, "end": { "local": "2000-02-03T17:14:23+08:00", "utc": "2000-02-03T09:14:23Z", "ms": 949569262821.84 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-02-02", "window": { "start": { "local": "2000-02-02T17:30:53+08:00", "utc": "2000-02-02T09:30:53Z", "ms": 949483852842.3755 }, "end": { "local": "2000-02-02T19:16:35+08:00", "utc": "2000-02-02T11:16:35Z", "ms": 949490194811.8707 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2000-02-03", "window": { "start": { "local": "2000-02-03T17:31:44+08:00", "utc": "2000-02-03T09:31:44Z", "ms": 949570303980.8694 }, "end": { "local": "2000-02-03T19:17:14+08:00", "utc": "2000-02-03T11:17:14Z", "ms": 949576634178.8969 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:48 on Wed 2 Feb to 17:14 on Thu 3 Feb.", "fact": "2000-02-02T06:47:39Z → 2000-02-03T09:14:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:31–19:17 on the 2nd, 17:32–19:17 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 2nd and 0 of 106 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1041 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ningbo, 2000: Wednesday 2 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": "2000-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-02", "confidence": "determinate" } ], "quote": "In Ningbo, Kṛṣṇa Pradoṣa Vrata 2000 falls on Wednesday 2 February. Trayodaśī runs from 14:48 on Wed 2 Feb to 17:14 on Thu 3 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-02-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shivaratri?on=2000-02-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15736, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-02-03T17:14:23+08:00", "utc": "2000-02-03T09:14:23Z", "ms": 949569262821.84 }, "end": { "local": "2000-02-04T19:21:12+08:00", "utc": "2000-02-04T11:21:12Z", "ms": 949663272452.9962 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-02-03T17:14:23+08:00", "utc": "2000-02-03T09:14:23Z", "ms": 949569262821.84 }, "end": { "local": "2000-02-04T19:21:12+08:00", "utc": "2000-02-04T11:21:12Z", "ms": 949663272452.9962 } }, "kaala": "nishita", "days": [ { "local_date": "2000-02-03", "window": { "start": { "local": "2000-02-03T23:43:22+08:00", "utc": "2000-02-03T15:43:22Z", "ms": 949592602223.4724 }, "end": { "local": "2000-02-04T00:31:22+08:00", "utc": "2000-02-03T16:31:22Z", "ms": 949595482223.4724 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-02-04", "window": { "start": { "local": "2000-02-04T23:43:28+08:00", "utc": "2000-02-04T15:43:28Z", "ms": 949679008417.0334 }, "end": { "local": "2000-02-05T00:31:28+08:00", "utc": "2000-02-04T16:31:28Z", "ms": 949681888417.0334 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:14 on Thu 3 Feb to 19:21 on Fri 4 Feb.", "fact": "2000-02-03T09:14:23Z → 2000-02-04T11:21:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 3rd, 23:43–00:31 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15736 s" }, { "step": "ruling", "text": "Śivarātri, Ningbo, 2000: Thursday 3 February.", "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": "2000-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-03", "confidence": "determinate" } ], "quote": "In Ningbo, Śivarātri 2000 falls on Thursday 3 February. Caturdaśī runs from 17:14 on Thu 3 Feb to 19:21 on Fri 4 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/shivaratri?on=2000-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34551, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-02-03T17:14:23+08:00", "utc": "2000-02-03T09:14:23Z", "ms": 949569262821.84 }, "end": { "local": "2000-02-04T19:21:12+08:00", "utc": "2000-02-04T11:21:12Z", "ms": 949663272452.9962 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-02-03T17:14:23+08:00", "utc": "2000-02-03T09:14:23Z", "ms": 949569262821.84 }, "end": { "local": "2000-02-04T19:21:12+08:00", "utc": "2000-02-04T11:21:12Z", "ms": 949663272452.9962 } }, "kaala": "arunodaya", "days": [ { "local_date": "2000-02-04", "window": { "start": { "local": "2000-02-04T04:57:30+08:00", "utc": "2000-02-03T20:57:30Z", "ms": 949611450268.0479 }, "end": { "local": "2000-02-04T06:43:00+08:00", "utc": "2000-02-03T22:43:00Z", "ms": 949617780466.0753 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2000-02-05", "window": { "start": { "local": "2000-02-05T04:57:04+08:00", "utc": "2000-02-04T20:57:04Z", "ms": 949697823668.3832 }, "end": { "local": "2000-02-05T06:42:22+08:00", "utc": "2000-02-04T22:42:22Z", "ms": 949704141941.6013 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:14 on Thu 3 Feb to 19:21 on Fri 4 Feb.", "fact": "2000-02-03T09:14:23Z → 2000-02-04T11:21:12Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:58–06:43 on the 4th, 04:57–06:42 on the 5th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 106 of 106 minutes on the 4th and 0 of 105 on the 5th.", "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 34551 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Ningbo, 2000: Friday 4 February.", "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": "2000-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-04", "confidence": "determinate" } ], "quote": "In Ningbo, Yama Tarpaṇa 2000 falls on Friday 4 February. Caturdaśī runs from 17:14 on Thu 3 Feb to 19:21 on Fri 4 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38512, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-02-08T23:22:58+08:00", "utc": "2000-02-08T15:22:58Z", "ms": 950023377773.6079 }, "end": { "local": "2000-02-09T23:14:02+08:00", "utc": "2000-02-09T15:14:02Z", "ms": 950109241827.378 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-02-08T23:22:58+08:00", "utc": "2000-02-08T15:22:58Z", "ms": 950023377773.6079 }, "end": { "local": "2000-02-09T23:14:02+08:00", "utc": "2000-02-09T15:14:02Z", "ms": 950109241827.378 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-02-08", "window": { "start": { "local": "2000-02-08T11:44:07+08:00", "utc": "2000-02-08T03:44:07Z", "ms": 949981447077.1216 }, "end": { "local": "2000-02-08T12:32:07+08:00", "utc": "2000-02-08T04:32:07Z", "ms": 949984327077.1216 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-02-09", "window": { "start": { "local": "2000-02-09T11:44:10+08:00", "utc": "2000-02-09T03:44:10Z", "ms": 950067849898.3392 }, "end": { "local": "2000-02-09T12:32:10+08:00", "utc": "2000-02-09T04:32:10Z", "ms": 950070729898.3392 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:23 on Tue 8 Feb to 23:14 on Wed 9 Feb.", "fact": "2000-02-08T15:22:58Z → 2000-02-09T15:14:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 8th, 11:44–12:32 on the 9th.", "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 8th and 48 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 38512 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Ningbo, 2000: Wednesday 9 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-09", "confidence": "determinate" } ], "quote": "In Ningbo, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2000 falls on Wednesday 9 February. Caturthī runs from 23:23 on Tue 8 Feb to 23:14 on Wed 9 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13980, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-02-08T23:22:58+08:00", "utc": "2000-02-08T15:22:58Z", "ms": 950023377773.6079 }, "end": { "local": "2000-02-09T23:14:02+08:00", "utc": "2000-02-09T15:14:02Z", "ms": 950109241827.378 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-02-08T23:22:58+08:00", "utc": "2000-02-08T15:22:58Z", "ms": 950023377773.6079 }, "end": { "local": "2000-02-09T23:14:02+08:00", "utc": "2000-02-09T15:14:02Z", "ms": 950109241827.378 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-02-08", "window": { "start": { "local": "2000-02-08T17:35:56+08:00", "utc": "2000-02-08T09:35:56Z", "ms": 950002555840.993 }, "end": { "local": "2000-02-08T19:20:25+08:00", "utc": "2000-02-08T11:20:25Z", "ms": 950008824994.1809 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "2000-02-09", "window": { "start": { "local": "2000-02-09T17:36:45+08:00", "utc": "2000-02-09T09:36:45Z", "ms": 950089005306.7767 }, "end": { "local": "2000-02-09T19:21:02+08:00", "utc": "2000-02-09T11:21:02Z", "ms": 950095261852.0944 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:23 on Tue 8 Feb to 23:14 on Wed 9 Feb.", "fact": "2000-02-08T15:22:58Z → 2000-02-09T15:14:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:20 on the 8th, 17:37–19:21 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 104 minutes on the 8th and 104 of 104 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13980 s" }, { "step": "ruling", "text": "Tila Caturthī, Ningbo, 2000: Wednesday 9 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-09", "confidence": "determinate" } ], "quote": "In Ningbo, Tila Caturthī 2000 falls on Wednesday 9 February. Caturthī runs from 23:23 on Tue 8 Feb to 23:14 on Wed 9 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36384, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2000-02-09T23:14:02+08:00", "utc": "2000-02-09T15:14:02Z", "ms": 950109241827.378 }, "end": { "local": "2000-02-10T22:38:36+08:00", "utc": "2000-02-10T14:38:36Z", "ms": 950193516368.9806 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-02-09T23:14:02+08:00", "utc": "2000-02-09T15:14:02Z", "ms": 950109241827.378 }, "end": { "local": "2000-02-10T22:38:36+08:00", "utc": "2000-02-10T14:38:36Z", "ms": 950193516368.9806 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-02-09", "window": { "start": { "local": "2000-02-09T11:44:10+08:00", "utc": "2000-02-09T03:44:10Z", "ms": 950067849898.3392 }, "end": { "local": "2000-02-09T12:32:10+08:00", "utc": "2000-02-09T04:32:10Z", "ms": 950070729898.3392 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-02-10", "window": { "start": { "local": "2000-02-10T11:44:12+08:00", "utc": "2000-02-10T03:44:12Z", "ms": 950154251913.415 }, "end": { "local": "2000-02-10T12:32:12+08:00", "utc": "2000-02-10T04:32:12Z", "ms": 950157131913.415 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:14 on Wed 9 Feb to 22:39 on Thu 10 Feb.", "fact": "2000-02-09T15:14:02Z → 2000-02-10T14:38:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 9th, 11:44–12:32 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36384 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Ningbo, 2000: Thursday 10 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-10", "confidence": "determinate" } ], "quote": "In Ningbo, Śrī Pañcamī 2000 falls on Thursday 10 February. Pañcamī runs from 23:14 on Wed 9 Feb to 22:39 on Thu 10 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36384, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2000-02-09T23:14:02+08:00", "utc": "2000-02-09T15:14:02Z", "ms": 950109241827.378 }, "end": { "local": "2000-02-10T22:38:36+08:00", "utc": "2000-02-10T14:38:36Z", "ms": 950193516368.9806 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-02-09T23:14:02+08:00", "utc": "2000-02-09T15:14:02Z", "ms": 950109241827.378 }, "end": { "local": "2000-02-10T22:38:36+08:00", "utc": "2000-02-10T14:38:36Z", "ms": 950193516368.9806 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-02-09", "window": { "start": { "local": "2000-02-09T11:44:10+08:00", "utc": "2000-02-09T03:44:10Z", "ms": 950067849898.3392 }, "end": { "local": "2000-02-09T12:32:10+08:00", "utc": "2000-02-09T04:32:10Z", "ms": 950070729898.3392 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-02-10", "window": { "start": { "local": "2000-02-10T11:44:12+08:00", "utc": "2000-02-10T03:44:12Z", "ms": 950154251913.415 }, "end": { "local": "2000-02-10T12:32:12+08:00", "utc": "2000-02-10T04:32:12Z", "ms": 950157131913.415 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:14 on Wed 9 Feb to 22:39 on Thu 10 Feb.", "fact": "2000-02-09T15:14:02Z → 2000-02-10T14:38:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 9th, 11:44–12:32 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36384 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Ningbo, 2000: Thursday 10 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-10", "confidence": "determinate" } ], "quote": "In Ningbo, Vasanta Pañcamī 2000 falls on Thursday 10 February. Pañcamī runs from 23:14 on Wed 9 Feb to 22:39 on Thu 10 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26142, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2000-02-11T21:37:43+08:00", "utc": "2000-02-11T13:37:43Z", "ms": 950276262700.6803 }, "end": { "local": "2000-02-12T20:12:35+08:00", "utc": "2000-02-12T12:12:35Z", "ms": 950357554558.844 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-02-11T21:37:43+08:00", "utc": "2000-02-11T13:37:43Z", "ms": 950276262700.6803 }, "end": { "local": "2000-02-12T20:12:35+08:00", "utc": "2000-02-12T12:12:35Z", "ms": 950357554558.844 } }, "kaala": "arunodaya", "days": [ { "local_date": "2000-02-12", "window": { "start": { "local": "2000-02-12T04:53:25+08:00", "utc": "2000-02-11T20:53:25Z", "ms": 950302404522.3289 }, "end": { "local": "2000-02-12T06:37:15+08:00", "utc": "2000-02-11T22:37:15Z", "ms": 950308635495.4419 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "2000-02-13", "window": { "start": { "local": "2000-02-13T04:52:49+08:00", "utc": "2000-02-12T20:52:49Z", "ms": 950388768718.7365 }, "end": { "local": "2000-02-13T06:36:27+08:00", "utc": "2000-02-12T22:36:27Z", "ms": 950394986737.7258 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 21:38 on Fri 11 Feb to 20:13 on Sat 12 Feb.", "fact": "2000-02-11T13:37:43Z → 2000-02-12T12:12:35Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:53–06:37 on the 12th, 04:53–06:36 on the 13th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 104 of 104 minutes on the 12th and 0 of 104 on the 13th.", "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 26142 s" }, { "step": "ruling", "text": "Ratha Saptamī, Ningbo, 2000: Saturday 12 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-12", "confidence": "determinate" } ], "quote": "In Ningbo, Ratha Saptamī 2000 falls on Saturday 12 February. Saptamī runs from 21:38 on Fri 11 Feb to 20:13 on Sat 12 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-02-16", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16750, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-02-15T13:51:27+08:00", "utc": "2000-02-15T05:51:27Z", "ms": 950593886887.5958 }, "end": { "local": "2000-02-16T11:13:04+08:00", "utc": "2000-02-16T03:13:04Z", "ms": 950670783527.885 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-02-15T13:51:27+08:00", "utc": "2000-02-15T05:51:27Z", "ms": 950593886887.5958 }, "end": { "local": "2000-02-16T11:13:04+08:00", "utc": "2000-02-16T03:13:04Z", "ms": 950670783527.885 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-02-15", "window": { "start": { "local": "2000-02-15T06:34:46+08:00", "utc": "2000-02-14T22:34:46Z", "ms": 950567685743.3473 }, "end": { "local": "2000-02-15T06:34:46+08:00", "utc": "2000-02-14T22:34:46Z", "ms": 950567685743.3473 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-02-16", "window": { "start": { "local": "2000-02-16T06:33:54+08:00", "utc": "2000-02-15T22:33:54Z", "ms": 950654033564.835 }, "end": { "local": "2000-02-16T06:33:54+08:00", "utc": "2000-02-15T22:33:54Z", "ms": 950654033564.835 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:51 on Tue 15 Feb to 11:13 on Wed 16 Feb.", "fact": "2000-02-15T05:51:27Z → 2000-02-16T03:13:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:35 on the 15th and 06:34 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16750 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Ningbo, 2000: Wednesday 16 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-16", "confidence": "determinate" } ], "quote": "In Ningbo, Jayā Ekādaśī 2000 falls on Wednesday 16 February. Ekādaśī runs from 13:51 on Tue 15 Feb to 11:13 on Wed 16 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-02-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1864, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2000-02-16T11:13:04+08:00", "utc": "2000-02-16T03:13:04Z", "ms": 950670783527.885 }, "end": { "local": "2000-02-17T08:26:45+08:00", "utc": "2000-02-17T00:26:45Z", "ms": 950747205384.3867 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-02-16T11:13:04+08:00", "utc": "2000-02-16T03:13:04Z", "ms": 950670783527.885 }, "end": { "local": "2000-02-17T08:26:45+08:00", "utc": "2000-02-17T00:26:45Z", "ms": 950747205384.3867 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-02-16", "window": { "start": { "local": "2000-02-16T11:44:07+08:00", "utc": "2000-02-16T03:44:07Z", "ms": 950672647446.3639 }, "end": { "local": "2000-02-16T12:32:07+08:00", "utc": "2000-02-16T04:32:07Z", "ms": 950675527446.3639 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-02-17", "window": { "start": { "local": "2000-02-17T11:44:04+08:00", "utc": "2000-02-17T03:44:04Z", "ms": 950759044039.2924 }, "end": { "local": "2000-02-17T12:32:04+08:00", "utc": "2000-02-17T04:32:04Z", "ms": 950761924039.2924 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:13 on Wed 16 Feb to 08:27 on Thu 17 Feb.", "fact": "2000-02-16T03:13:04Z → 2000-02-17T00:26:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 16th, 11:44–12:32 on the 17th.", "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 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1864 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Ningbo, 2000: Wednesday 16 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-16", "confidence": "determinate" } ], "quote": "In Ningbo, Bhīṣma Dvādaśī 2000 falls on Wednesday 16 February. Dvādaśī runs from 11:13 on Wed 16 Feb to 08:27 on Thu 17 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/pradosha-vrata?on=2000-02-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33382, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-02-17T08:26:45+08:00", "utc": "2000-02-17T00:26:45Z", "ms": 950747205384.3867 }, "end": { "local": "2000-02-18T05:38:44+08:00", "utc": "2000-02-17T21:38:44Z", "ms": 950823524426.5259 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-02-17T08:26:45+08:00", "utc": "2000-02-17T00:26:45Z", "ms": 950747205384.3867 }, "end": { "local": "2000-02-18T05:38:44+08:00", "utc": "2000-02-17T21:38:44Z", "ms": 950823524426.5259 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-02-17", "window": { "start": { "local": "2000-02-17T17:43:08+08:00", "utc": "2000-02-17T09:43:08Z", "ms": 950780587772.3276 }, "end": { "local": "2000-02-17T19:25:40+08:00", "utc": "2000-02-17T11:25:40Z", "ms": 950786739535.9388 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2000-02-18", "window": { "start": { "local": "2000-02-18T17:43:54+08:00", "utc": "2000-02-18T09:43:54Z", "ms": 950867033820.0424 }, "end": { "local": "2000-02-18T19:26:12+08:00", "utc": "2000-02-18T11:26:12Z", "ms": 950873172067.5902 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:27 on Thu 17 Feb to 05:39 on Fri 18 Feb.", "fact": "2000-02-17T00:26:45Z → 2000-02-17T21:38:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:43–19:26 on the 17th, 17:44–19:26 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 17th and 0 of 102 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33382 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ningbo, 2000: Thursday 17 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-17", "confidence": "determinate" } ], "quote": "In Ningbo, Śukla Pradoṣa Vrata 2000 falls on Thursday 17 February. Trayodaśī runs from 08:27 on Thu 17 Feb to 05:39 on Fri 18 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-02-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31668, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-02-19T02:56:07+08:00", "utc": "2000-02-18T18:56:07Z", "ms": 950900166743.4181 }, "end": { "local": "2000-02-20T00:26:40+08:00", "utc": "2000-02-19T16:26:40Z", "ms": 950977600019.9584 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2000-02-19T02:56:07+08:00", "utc": "2000-02-18T18:56:07Z", "ms": 950900166743.4181 }, "end": { "local": "2000-02-20T00:26:40+08:00", "utc": "2000-02-19T16:26:40Z", "ms": 950977600019.9584 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-02-19", "window": { "start": { "local": "2000-02-19T11:43:55+08:00", "utc": "2000-02-19T03:43:55Z", "ms": 950931835075.4344 }, "end": { "local": "2000-02-19T12:31:55+08:00", "utc": "2000-02-19T04:31:55Z", "ms": 950934715075.4344 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-02-20", "window": { "start": { "local": "2000-02-20T11:43:50+08:00", "utc": "2000-02-20T03:43:50Z", "ms": 951018229555.0518 }, "end": { "local": "2000-02-20T12:31:50+08:00", "utc": "2000-02-20T04:31:50Z", "ms": 951021109555.0518 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:56 on Sat 19 Feb to 00:27 on Sun 20 Feb.", "fact": "2000-02-18T18:56:07Z → 2000-02-19T16:26:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 19th, 11:44–12:32 on the 20th.", "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 19th and 0 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: paraviddha → only-day · margin 31668 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Ningbo, 2000: Saturday 19 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-19", "confidence": "determinate" } ], "quote": "In Ningbo, Māghī Pūrṇimā 2000 falls on Saturday 19 February. Pūrṇimā runs from 02:56 on Sat 19 Feb to 00:27 on Sun 20 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/sankashta-chaturthi?on=2000-02-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-02-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3148, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-02-22T19:38:02+08:00", "utc": "2000-02-22T11:38:02Z", "ms": 951219481867.5057 }, "end": { "local": "2000-02-23T19:18:38+08:00", "utc": "2000-02-23T11:18:38Z", "ms": 951304718156.4497 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2000-02-22T19:38:02+08:00", "utc": "2000-02-22T11:38:02Z", "ms": 951219481867.5057 }, "end": { "local": "2000-02-23T19:18:38+08:00", "utc": "2000-02-23T11:18:38Z", "ms": 951304718156.4497 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-02-22", "window": { "start": { "local": "2000-02-22T20:30:30+08:00", "utc": "2000-02-22T12:30:30Z", "ms": 951222629905.1259 }, "end": { "local": "2000-02-22T20:30:30+08:00", "utc": "2000-02-22T12:30:30Z", "ms": 951222629905.1259 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-02-23", "window": { "start": { "local": "2000-02-23T21:28:30+08:00", "utc": "2000-02-23T13:28:30Z", "ms": 951312510109.8828 }, "end": { "local": "2000-02-23T21:28:30+08:00", "utc": "2000-02-23T13:28:30Z", "ms": 951312510109.8828 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:38 on Tue 22 Feb to 19:19 on Wed 23 Feb.", "fact": "2000-02-22T11:38:02Z → 2000-02-23T11:18:38Z" }, { "step": "kaala", "text": "Moonrise is at 20:30 on the 22nd and 21:29 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 22nd and is not on the 23rd.", "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 3148 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ningbo, 2000: Tuesday 22 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": "2000-02-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-02-22", "confidence": "determinate" } ], "quote": "In Ningbo, Saṅkaṣṭa Caturthī 2000 falls on Tuesday 22 February. Caturthī runs from 19:38 on Tue 22 Feb to 19:19 on Wed 23 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/sankashta-chaturthi?on=2000-02-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/ekadashi?on=2000-03-02", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-03-02", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 50, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-03-01T06:20:54+08:00", "utc": "2000-02-29T22:20:54Z", "ms": 951862853987.119 }, "end": { "local": "2000-03-02T08:45:18+08:00", "utc": "2000-03-02T00:45:18Z", "ms": 951957918024.211 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2000-03-01T06:20:54+08:00", "utc": "2000-02-29T22:20:54Z", "ms": 951862853987.119 }, "end": { "local": "2000-03-02T08:45:18+08:00", "utc": "2000-03-02T00:45:18Z", "ms": 951957918024.211 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-03-01", "window": { "start": { "local": "2000-03-01T06:20:04+08:00", "utc": "2000-02-29T22:20:04Z", "ms": 951862804145.1223 }, "end": { "local": "2000-03-01T06:20:04+08:00", "utc": "2000-02-29T22:20:04Z", "ms": 951862804145.1223 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-03-02", "window": { "start": { "local": "2000-03-02T06:18:59+08:00", "utc": "2000-03-01T22:18:59Z", "ms": 951949139063.6726 }, "end": { "local": "2000-03-02T06:18:59+08:00", "utc": "2000-03-01T22:18:59Z", "ms": 951949139063.6726 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:21 on Wed 1 Mar to 08:45 on Thu 2 Mar.", "fact": "2000-02-29T22:20:54Z → 2000-03-02T00:45:18Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 1st and 06:19 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 50 s < 300 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Ningbo, 2000: Thursday 2 March.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-03-02", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-03-02", "confidence": "boundary" } ], "quote": "In Ningbo, Vijayā Ekādaśī 2000 falls on Thursday 2 March. Ekādaśī runs from 06:21 on Wed 1 Mar to 08:45 on Thu 2 Mar and is current at sunrise that day. It is 0 min 50 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-03-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-03-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20594, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-03-03T10:44:42+08:00", "utc": "2000-03-03T02:44:42Z", "ms": 952051482137.2781 }, "end": { "local": "2000-03-04T12:11:26+08:00", "utc": "2000-03-04T04:11:26Z", "ms": 952143086101.909 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2000-03-03T10:44:42+08:00", "utc": "2000-03-03T02:44:42Z", "ms": 952051482137.2781 }, "end": { "local": "2000-03-04T12:11:26+08:00", "utc": "2000-03-04T04:11:26Z", "ms": 952143086101.909 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-03-03", "window": { "start": { "local": "2000-03-03T17:54:00+08:00", "utc": "2000-03-03T09:54:00Z", "ms": 952077239626.5914 }, "end": { "local": "2000-03-03T19:33:02+08:00", "utc": "2000-03-03T11:33:02Z", "ms": 952083181950.422 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2000-03-04", "window": { "start": { "local": "2000-03-04T17:54:40+08:00", "utc": "2000-03-04T09:54:40Z", "ms": 952163680335.0383 }, "end": { "local": "2000-03-04T19:33:28+08:00", "utc": "2000-03-04T11:33:28Z", "ms": 952169608314.6531 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:45 on Fri 3 Mar to 12:11 on Sat 4 Mar.", "fact": "2000-03-03T02:44:42Z → 2000-03-04T04:11:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:33 on the 3rd, 17:55–19:33 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 3rd and 0 of 99 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20594 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ningbo, 2000: Friday 3 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": "2000-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-03-03", "confidence": "determinate" } ], "quote": "In Ningbo, Kṛṣṇa Pradoṣa Vrata 2000 falls on Friday 3 March. Trayodaśī runs from 10:45 on Fri 3 Mar to 12:11 on Sat 4 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-03-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38334, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-03-04T12:11:26+08:00", "utc": "2000-03-04T04:11:26Z", "ms": 952143086101.909 }, "end": { "local": "2000-03-05T13:02:02+08:00", "utc": "2000-03-05T05:02:02Z", "ms": 952232522412.2014 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2000-03-04T12:11:26+08:00", "utc": "2000-03-04T04:11:26Z", "ms": 952143086101.909 }, "end": { "local": "2000-03-05T13:02:02+08:00", "utc": "2000-03-05T05:02:02Z", "ms": 952232522412.2014 } }, "kaala": "nishita", "days": [ { "local_date": "2000-03-04", "window": { "start": { "local": "2000-03-04T23:41:10+08:00", "utc": "2000-03-04T15:41:10Z", "ms": 952184470258.5938 }, "end": { "local": "2000-03-05T00:29:10+08:00", "utc": "2000-03-04T16:29:10Z", "ms": 952187350258.5938 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-03-05", "window": { "start": { "local": "2000-03-05T23:40:57+08:00", "utc": "2000-03-05T15:40:57Z", "ms": 952270856747.1001 }, "end": { "local": "2000-03-06T00:28:57+08:00", "utc": "2000-03-05T16:28:57Z", "ms": 952273736747.1001 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:11 on Sat 4 Mar to 13:02 on Sun 5 Mar.", "fact": "2000-03-04T04:11:26Z → 2000-03-05T05:02:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 4th, 23:41–00:29 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 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 38334 s" }, { "step": "ruling", "text": "Mahāśivarātri, Ningbo, 2000: Saturday 4 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-03-04", "confidence": "determinate" } ], "quote": "In Ningbo, Mahāśivarātri 2000 falls on Saturday 4 March. Caturdaśī runs from 12:11 on Sat 4 Mar to 13:02 on Sun 5 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-03-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2372, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-03-09T11:01:01+08:00", "utc": "2000-03-09T03:01:01Z", "ms": 952570860890.8718 }, "end": { "local": "2000-03-10T09:32:31+08:00", "utc": "2000-03-10T01:32:31Z", "ms": 952651951117.4749 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2000-03-09T11:01:01+08:00", "utc": "2000-03-09T03:01:01Z", "ms": 952570860890.8718 }, "end": { "local": "2000-03-10T09:32:31+08:00", "utc": "2000-03-10T01:32:31Z", "ms": 952651951117.4749 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-03-09", "window": { "start": { "local": "2000-03-09T11:40:33+08:00", "utc": "2000-03-09T03:40:33Z", "ms": 952573233388.7998 }, "end": { "local": "2000-03-09T12:28:33+08:00", "utc": "2000-03-09T04:28:33Z", "ms": 952576113388.7998 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-03-10", "window": { "start": { "local": "2000-03-10T11:40:18+08:00", "utc": "2000-03-10T03:40:18Z", "ms": 952659618173.489 }, "end": { "local": "2000-03-10T12:28:18+08:00", "utc": "2000-03-10T04:28:18Z", "ms": 952662498173.489 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:01 on Thu 9 Mar to 09:33 on Fri 10 Mar.", "fact": "2000-03-09T03:01:01Z → 2000-03-10T01:32:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 9th, 11:40–12:28 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2372 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ningbo, 2000: Thursday 9 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": "2000-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-03-09", "confidence": "determinate" } ], "quote": "In Ningbo, Vināyaka Caturthī 2000 falls on Thursday 9 March. Caturthī runs from 11:01 on Thu 9 Mar to 09:33 on Fri 10 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/ekadashi?on=2000-03-16", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29988, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-03-15T21:43:06+08:00", "utc": "2000-03-15T13:43:06Z", "ms": 953127786456.7509 }, "end": { "local": "2000-03-16T19:37:01+08:00", "utc": "2000-03-16T11:37:01Z", "ms": 953206621113.6742 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2000-03-15T21:43:06+08:00", "utc": "2000-03-15T13:43:06Z", "ms": 953127786456.7509 }, "end": { "local": "2000-03-16T19:37:01+08:00", "utc": "2000-03-16T11:37:01Z", "ms": 953206621113.6742 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-03-16", "window": { "start": { "local": "2000-03-16T06:02:54+08:00", "utc": "2000-03-15T22:02:54Z", "ms": 953157774392.5052 }, "end": { "local": "2000-03-16T06:02:54+08:00", "utc": "2000-03-15T22:02:54Z", "ms": 953157774392.5052 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-03-17", "window": { "start": { "local": "2000-03-17T06:01:43+08:00", "utc": "2000-03-16T22:01:43Z", "ms": 953244102740.842 }, "end": { "local": "2000-03-17T06:01:43+08:00", "utc": "2000-03-16T22:01:43Z", "ms": 953244102740.842 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:43 on Wed 15 Mar to 19:37 on Thu 16 Mar.", "fact": "2000-03-15T13:43:06Z → 2000-03-16T11:37:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:03 on the 16th and 06:02 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29988 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Ningbo, 2000: Thursday 16 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-03-16", "confidence": "determinate" } ], "quote": "In Ningbo, Āmalakī Ekādaśī 2000 falls on Thursday 16 March. Ekādaśī runs from 21:43 on Wed 15 Mar to 19:37 on Thu 16 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-03-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-03-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1663, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-03-17T17:35:21+08:00", "utc": "2000-03-17T09:35:21Z", "ms": 953285720682.4103 }, "end": { "local": "2000-03-18T15:42:20+08:00", "utc": "2000-03-18T07:42:20Z", "ms": 953365339836.0747 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2000-03-17T17:35:21+08:00", "utc": "2000-03-17T09:35:21Z", "ms": 953285720682.4103 }, "end": { "local": "2000-03-18T15:42:20+08:00", "utc": "2000-03-18T07:42:20Z", "ms": 953365339836.0747 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-03-17", "window": { "start": { "local": "2000-03-17T18:03:03+08:00", "utc": "2000-03-17T10:03:03Z", "ms": 953287383295.4417 }, "end": { "local": "2000-03-17T19:38:43+08:00", "utc": "2000-03-17T11:38:43Z", "ms": 953293122973.2004 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2000-03-18", "window": { "start": { "local": "2000-03-18T18:03:40+08:00", "utc": "2000-03-18T10:03:40Z", "ms": 953373820285.0916 }, "end": { "local": "2000-03-18T19:39:05+08:00", "utc": "2000-03-18T11:39:05Z", "ms": 953379545425.4017 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:35 on Fri 17 Mar to 15:42 on Sat 18 Mar.", "fact": "2000-03-17T09:35:21Z → 2000-03-18T07:42:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:39 on the 17th, 18:04–19:39 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 17th and 0 of 95 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1663 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ningbo, 2000: Friday 17 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": "2000-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-03-17", "confidence": "determinate" } ], "quote": "In Ningbo, Śukla Pradoṣa Vrata 2000 falls on Friday 17 March. Trayodaśī runs from 17:35 on Fri 17 Mar to 15:42 on Sat 18 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-03-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5760, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-03-19T14:03:17+08:00", "utc": "2000-03-19T06:03:17Z", "ms": 953445797047.6948 }, "end": { "local": "2000-03-20T12:44:21+08:00", "utc": "2000-03-20T04:44:21Z", "ms": 953527460810.5253 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2000-03-19T14:03:17+08:00", "utc": "2000-03-19T06:03:17Z", "ms": 953445797047.6948 }, "end": { "local": "2000-03-20T12:44:21+08:00", "utc": "2000-03-20T04:44:21Z", "ms": 953527460810.5253 } }, "kaala": "sayahna", "days": [ { "local_date": "2000-03-19", "window": { "start": { "local": "2000-03-19T15:39:17+08:00", "utc": "2000-03-19T07:39:17Z", "ms": 953451557448.2076 }, "end": { "local": "2000-03-19T18:04:17+08:00", "utc": "2000-03-19T10:04:17Z", "ms": 953460257100.9052 } }, "covered_min": 145, "window_min": 145, "qualifies": true }, { "local_date": "2000-03-20", "window": { "start": { "local": "2000-03-20T15:39:32+08:00", "utc": "2000-03-20T07:39:32Z", "ms": 953537972338.4713 }, "end": { "local": "2000-03-20T18:04:54+08:00", "utc": "2000-03-20T10:04:54Z", "ms": 953546693760.9033 } }, "covered_min": 0, "window_min": 145, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:03 on Sun 19 Mar to 12:44 on Mon 20 Mar.", "fact": "2000-03-19T06:03:17Z → 2000-03-20T04:44:21Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:39–18:04 on the 19th, 15:40–18:05 on the 20th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 145 of 145 minutes on the 19th and 0 of 145 on the 20th.", "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 5760 s" }, { "step": "ruling", "text": "Holikā Dahana, Ningbo, 2000: Sunday 19 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": "2000-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-03-19", "confidence": "determinate" } ], "quote": "In Ningbo, Holikā Dahana 2000 falls on Sunday 19 March. Pūrṇimā runs from 14:03 on Sun 19 Mar to 12:44 on Mon 20 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5760, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-03-19T14:03:17+08:00", "utc": "2000-03-19T06:03:17Z", "ms": 953445797047.6948 }, "end": { "local": "2000-03-20T12:44:21+08:00", "utc": "2000-03-20T04:44:21Z", "ms": 953527460810.5253 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2000-03-19T14:03:17+08:00", "utc": "2000-03-19T06:03:17Z", "ms": 953445797047.6948 }, "end": { "local": "2000-03-20T12:44:21+08:00", "utc": "2000-03-20T04:44:21Z", "ms": 953527460810.5253 } }, "kaala": "sayahna", "days": [ { "local_date": "2000-03-19", "window": { "start": { "local": "2000-03-19T15:39:17+08:00", "utc": "2000-03-19T07:39:17Z", "ms": 953451557448.2076 }, "end": { "local": "2000-03-19T18:04:17+08:00", "utc": "2000-03-19T10:04:17Z", "ms": 953460257100.9052 } }, "covered_min": 145, "window_min": 145, "qualifies": true }, { "local_date": "2000-03-20", "window": { "start": { "local": "2000-03-20T15:39:32+08:00", "utc": "2000-03-20T07:39:32Z", "ms": 953537972338.4713 }, "end": { "local": "2000-03-20T18:04:54+08:00", "utc": "2000-03-20T10:04:54Z", "ms": 953546693760.9033 } }, "covered_min": 0, "window_min": 145, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2000-03-19", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:03 on Sun 19 Mar to 12:44 on Mon 20 Mar.", "fact": "2000-03-19T06:03:17Z → 2000-03-20T04:44:21Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:39–18:04 on the 19th, 15:40–18:05 on the 20th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 145 of 145 minutes on the 19th and 0 of 145 on the 20th.", "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 5760 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Sunday 19 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Ningbo, 2000: Monday 20 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": "2000-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-03-20", "confidence": "determinate" } ], "quote": "In Ningbo, Holī 2000 falls on Monday 20 March. It is kept the day after Holikā Dahana, which falls on Sunday 19 March. Pūrṇimā runs from 14:03 on Sun 19 Mar to 12:44 on Mon 20 Mar and covers all of sāyāhna on the 19th.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21307, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2000-03-20T12:44:21+08:00", "utc": "2000-03-20T04:44:21Z", "ms": 953527460810.5253 }, "end": { "local": "2000-03-21T11:52:01+08:00", "utc": "2000-03-21T03:52:01Z", "ms": 953610721382.9934 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-03-20T12:44:21+08:00", "utc": "2000-03-20T04:44:21Z", "ms": 953527460810.5253 }, "end": { "local": "2000-03-21T11:52:01+08:00", "utc": "2000-03-21T03:52:01Z", "ms": 953610721382.9934 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-03-20", "window": { "start": { "local": "2000-03-20T05:58:07+08:00", "utc": "2000-03-19T21:58:07Z", "ms": 953503086648.7434 }, "end": { "local": "2000-03-20T05:58:07+08:00", "utc": "2000-03-19T21:58:07Z", "ms": 953503086648.7434 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-03-21", "window": { "start": { "local": "2000-03-21T05:56:54+08:00", "utc": "2000-03-20T21:56:54Z", "ms": 953589414343.9764 }, "end": { "local": "2000-03-21T05:56:54+08:00", "utc": "2000-03-20T21:56:54Z", "ms": 953589414343.9764 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 12:44 on Mon 20 Mar to 11:52 on Tue 21 Mar.", "fact": "2000-03-20T04:44:21Z → 2000-03-21T03:52:01Z" }, { "step": "kaala", "text": "Sunrise is at 05:58 on the 20th and 05:57 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā 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: purvaviddha → only-day · margin 21307 s" }, { "step": "ruling", "text": "Vasantotsava, Ningbo, 2000: Tuesday 21 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": "2000-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-03-21", "confidence": "determinate" } ], "quote": "In Ningbo, Vasantotsava 2000 falls on Tuesday 21 March. Pratipadā runs from 12:44 on Mon 20 Mar to 11:52 on Tue 21 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/sankashta-chaturthi?on=2000-03-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33296, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-03-23T11:50:26+08:00", "utc": "2000-03-23T03:50:26Z", "ms": 953783426139.7838 }, "end": { "local": "2000-03-24T12:48:14+08:00", "utc": "2000-03-24T04:48:14Z", "ms": 953873293995.7549 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-03-23T11:50:26+08:00", "utc": "2000-03-23T03:50:26Z", "ms": 953783426139.7838 }, "end": { "local": "2000-03-24T12:48:14+08:00", "utc": "2000-03-24T04:48:14Z", "ms": 953873293995.7549 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-03-23", "window": { "start": { "local": "2000-03-23T21:07:38+08:00", "utc": "2000-03-23T13:07:38Z", "ms": 953816858434.8469 }, "end": { "local": "2000-03-23T21:07:38+08:00", "utc": "2000-03-23T13:07:38Z", "ms": 953816858434.8469 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-03-24", "window": { "start": { "local": "2000-03-24T22:03:10+08:00", "utc": "2000-03-24T14:03:10Z", "ms": 953906589959.2367 }, "end": { "local": "2000-03-24T22:03:10+08:00", "utc": "2000-03-24T14:03:10Z", "ms": 953906589959.2367 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:50 on Thu 23 Mar to 12:48 on Fri 24 Mar.", "fact": "2000-03-23T03:50:26Z → 2000-03-24T04:48:14Z" }, { "step": "kaala", "text": "Moonrise is at 21:08 on the 23rd and 22:03 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 23rd and is not on the 24th.", "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 33296 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ningbo, 2000: Thursday 23 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": "2000-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-03-23", "confidence": "determinate" } ], "quote": "In Ningbo, Saṅkaṣṭa Caturthī 2000 falls on Thursday 23 March. Caturthī runs from 11:50 on Thu 23 Mar to 12:48 on Fri 24 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/sankashta-chaturthi?on=2000-03-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23936, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2000-03-27T19:02:20+08:00", "utc": "2000-03-27T11:02:20Z", "ms": 954154939877.1643 }, "end": { "local": "2000-03-28T21:38:37+08:00", "utc": "2000-03-28T13:38:37Z", "ms": 954250717103.8344 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-03-27T19:02:20+08:00", "utc": "2000-03-27T11:02:20Z", "ms": 954154939877.1643 }, "end": { "local": "2000-03-28T21:38:37+08:00", "utc": "2000-03-28T13:38:37Z", "ms": 954250717103.8344 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-03-27", "window": { "start": { "local": "2000-03-27T11:35:24+08:00", "utc": "2000-03-27T03:35:24Z", "ms": 954128123617.53 }, "end": { "local": "2000-03-27T12:23:24+08:00", "utc": "2000-03-27T04:23:24Z", "ms": 954131003617.53 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-03-28", "window": { "start": { "local": "2000-03-28T11:35:05+08:00", "utc": "2000-03-28T03:35:05Z", "ms": 954214505482.4442 }, "end": { "local": "2000-03-28T12:23:05+08:00", "utc": "2000-03-28T04:23:05Z", "ms": 954217385482.4442 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:02 on Mon 27 Mar to 21:39 on Tue 28 Mar.", "fact": "2000-03-27T11:02:20Z → 2000-03-28T13:38:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 27th, 11:35–12:23 on the 28th.", "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 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23936 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Ningbo, 2000: Tuesday 28 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": "2000-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-03-28", "confidence": "determinate" } ], "quote": "In Ningbo, Śītalāṣṭamī 2000 falls on Tuesday 28 March. Aṣṭamī runs from 19:02 on Mon 27 Mar to 21:39 on Tue 28 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-03-31", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7815, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-03-31T02:07:28+08:00", "utc": "2000-03-30T18:07:28Z", "ms": 954439647536.1492 }, "end": { "local": "2000-04-01T03:33:25+08:00", "utc": "2000-03-31T19:33:25Z", "ms": 954531204567.4088 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-03-31T02:07:28+08:00", "utc": "2000-03-30T18:07:28Z", "ms": 954439647536.1492 }, "end": { "local": "2000-04-01T03:33:25+08:00", "utc": "2000-03-31T19:33:25Z", "ms": 954531204567.4088 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-03-31", "window": { "start": { "local": "2000-03-31T05:44:52+08:00", "utc": "2000-03-30T21:44:52Z", "ms": 954452691518.9281 }, "end": { "local": "2000-03-31T05:44:52+08:00", "utc": "2000-03-30T21:44:52Z", "ms": 954452691518.9281 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-04-01", "window": { "start": { "local": "2000-04-01T05:43:40+08:00", "utc": "2000-03-31T21:43:40Z", "ms": 954539019887.2594 }, "end": { "local": "2000-04-01T05:43:40+08:00", "utc": "2000-03-31T21:43:40Z", "ms": 954539019887.2594 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:07 on Fri 31 Mar to 03:33 on Sat 1 Apr.", "fact": "2000-03-30T18:07:28Z → 2000-03-31T19:33:25Z" }, { "step": "kaala", "text": "Sunrise is at 05:45 on the 31st and 05:44 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7815 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Ningbo, 2000: Friday 31 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": "2000-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-03-31", "confidence": "determinate" } ], "quote": "In Ningbo, Pāpamocanī Ekādaśī 2000 falls on Friday 31 March. Ekādaśī runs from 02:07 on Fri 31 Mar to 03:33 on Sat 1 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-03-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-04-02", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30635, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-04-02T04:16:31+08:00", "utc": "2000-04-01T20:16:31Z", "ms": 954620191216.4745 }, "end": { "local": "2000-04-03T04:15:06+08:00", "utc": "2000-04-02T20:15:06Z", "ms": 954706506423.3453 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-02T04:16:31+08:00", "utc": "2000-04-01T20:16:31Z", "ms": 954620191216.4745 }, "end": { "local": "2000-04-03T04:15:06+08:00", "utc": "2000-04-02T20:15:06Z", "ms": 954706506423.3453 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-04-01", "window": { "start": { "local": "2000-04-01T18:12:07+08:00", "utc": "2000-04-01T10:12:07Z", "ms": 954583927363.69 }, "end": { "local": "2000-04-01T19:44:10+08:00", "utc": "2000-04-01T11:44:10Z", "ms": 954589450179.5487 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2000-04-02", "window": { "start": { "local": "2000-04-02T18:12:43+08:00", "utc": "2000-04-02T10:12:43Z", "ms": 954670363364.0764 }, "end": { "local": "2000-04-02T19:44:32+08:00", "utc": "2000-04-02T11:44:32Z", "ms": 954675871892.9185 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:17 on Sun 2 Apr to 04:15 on Mon 3 Apr.", "fact": "2000-04-01T20:16:31Z → 2000-04-02T20:15:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:12–19:44 on the 1st, 18:13–19:45 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 1st and 92 of 92 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30635 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ningbo, 2000: Sunday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-02", "confidence": "determinate" } ], "quote": "In Ningbo, Kṛṣṇa Pradoṣa Vrata 2000 falls on Sunday 2 April. Trayodaśī runs from 04:17 on Sun 2 Apr to 04:15 on Mon 3 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-04-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shivaratri?on=2000-04-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11461, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-04-03T04:15:06+08:00", "utc": "2000-04-02T20:15:06Z", "ms": 954706506423.3453 }, "end": { "local": "2000-04-04T03:31:44+08:00", "utc": "2000-04-03T19:31:44Z", "ms": 954790303559.8885 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-03T04:15:06+08:00", "utc": "2000-04-02T20:15:06Z", "ms": 954706506423.3453 }, "end": { "local": "2000-04-04T03:31:44+08:00", "utc": "2000-04-03T19:31:44Z", "ms": 954790303559.8885 } }, "kaala": "nishita", "days": [ { "local_date": "2000-04-02", "window": { "start": { "local": "2000-04-02T23:33:00+08:00", "utc": "2000-04-02T15:33:00Z", "ms": 954689580347.2341 }, "end": { "local": "2000-04-03T00:21:00+08:00", "utc": "2000-04-02T16:21:00Z", "ms": 954692460347.2341 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-04-03", "window": { "start": { "local": "2000-04-03T23:32:43+08:00", "utc": "2000-04-03T15:32:43Z", "ms": 954775962922.3909 }, "end": { "local": "2000-04-04T00:20:43+08:00", "utc": "2000-04-03T16:20:43Z", "ms": 954778842922.3909 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:15 on Mon 3 Apr to 03:32 on Tue 4 Apr.", "fact": "2000-04-02T20:15:06Z → 2000-04-03T19:31:44Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:33–00:21 on the 2nd, 23:33–00:21 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11461 s" }, { "step": "ruling", "text": "Śivarātri, Ningbo, 2000: Monday 3 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": "2000-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-03", "confidence": "determinate" } ], "quote": "In Ningbo, Śivarātri 2000 falls on Monday 3 April. Caturdaśī runs from 04:15 on Mon 3 Apr to 03:32 on Tue 4 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/shivaratri?on=2000-04-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33644, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2000-04-05T02:12:00+08:00", "utc": "2000-04-04T18:12:00Z", "ms": 954871919853.538 }, "end": { "local": "2000-04-06T00:23:23+08:00", "utc": "2000-04-05T16:23:23Z", "ms": 954951803176.7238 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-05T02:12:00+08:00", "utc": "2000-04-04T18:12:00Z", "ms": 954871919853.538 }, "end": { "local": "2000-04-06T00:23:23+08:00", "utc": "2000-04-05T16:23:23Z", "ms": 954951803176.7238 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-04-05", "window": { "start": { "local": "2000-04-05T11:32:44+08:00", "utc": "2000-04-05T03:32:44Z", "ms": 954905563710.1597 }, "end": { "local": "2000-04-05T12:20:44+08:00", "utc": "2000-04-05T04:20:44Z", "ms": 954908443710.1597 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-04-06", "window": { "start": { "local": "2000-04-06T11:32:27+08:00", "utc": "2000-04-06T03:32:27Z", "ms": 954991946652.6898 }, "end": { "local": "2000-04-06T12:20:27+08:00", "utc": "2000-04-06T04:20:27Z", "ms": 954994826652.6898 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:12 on Wed 5 Apr to 00:23 on Thu 6 Apr.", "fact": "2000-04-04T18:12:00Z → 2000-04-05T16:23:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 5th, 11:32–12:20 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33644 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Ningbo, 2000: Wednesday 5 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-05", "confidence": "determinate" } ], "quote": "In Ningbo, Navarātrārambha (Caitra) (Chaitra Navratri) 2000 falls on Wednesday 5 April. Pratipadā runs from 02:12 on Wed 5 Apr to 00:23 on Thu 6 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27136, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2000-04-06T22:14:08+08:00", "utc": "2000-04-06T14:14:08Z", "ms": 955030448185.5773 }, "end": { "local": "2000-04-07T19:52:25+08:00", "utc": "2000-04-07T11:52:25Z", "ms": 955108345340.0088 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-06T22:14:08+08:00", "utc": "2000-04-06T14:14:08Z", "ms": 955030448185.5773 }, "end": { "local": "2000-04-07T19:52:25+08:00", "utc": "2000-04-07T11:52:25Z", "ms": 955108345340.0088 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-04-06", "window": { "start": { "local": "2000-04-06T11:32:27+08:00", "utc": "2000-04-06T03:32:27Z", "ms": 954991946652.6898 }, "end": { "local": "2000-04-06T12:20:27+08:00", "utc": "2000-04-06T04:20:27Z", "ms": 954994826652.6898 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-04-07", "window": { "start": { "local": "2000-04-07T11:32:10+08:00", "utc": "2000-04-07T03:32:10Z", "ms": 955078329791.8154 }, "end": { "local": "2000-04-07T12:20:10+08:00", "utc": "2000-04-07T04:20:10Z", "ms": 955081209791.8154 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:14 on Thu 6 Apr to 19:52 on Fri 7 Apr.", "fact": "2000-04-06T14:14:08Z → 2000-04-07T11:52:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 6th, 11:32–12:20 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27136 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Ningbo, 2000: Friday 7 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-07", "confidence": "determinate" } ], "quote": "In Ningbo, Gaurī Tṛtīyā (Gangaur) 2000 falls on Friday 7 April. Tṛtīyā runs from 22:14 on Thu 6 Apr to 19:52 on Fri 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27136, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2000-04-06T22:14:08+08:00", "utc": "2000-04-06T14:14:08Z", "ms": 955030448185.5773 }, "end": { "local": "2000-04-07T19:52:25+08:00", "utc": "2000-04-07T11:52:25Z", "ms": 955108345340.0088 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-06T22:14:08+08:00", "utc": "2000-04-06T14:14:08Z", "ms": 955030448185.5773 }, "end": { "local": "2000-04-07T19:52:25+08:00", "utc": "2000-04-07T11:52:25Z", "ms": 955108345340.0088 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-04-06", "window": { "start": { "local": "2000-04-06T11:32:27+08:00", "utc": "2000-04-06T03:32:27Z", "ms": 954991946652.6898 }, "end": { "local": "2000-04-06T12:20:27+08:00", "utc": "2000-04-06T04:20:27Z", "ms": 954994826652.6898 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-04-07", "window": { "start": { "local": "2000-04-07T11:32:10+08:00", "utc": "2000-04-07T03:32:10Z", "ms": 955078329791.8154 }, "end": { "local": "2000-04-07T12:20:10+08:00", "utc": "2000-04-07T04:20:10Z", "ms": 955081209791.8154 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:14 on Thu 6 Apr to 19:52 on Fri 7 Apr.", "fact": "2000-04-06T14:14:08Z → 2000-04-07T11:52:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 6th, 11:32–12:20 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27136 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Ningbo, 2000: Friday 7 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-07", "confidence": "determinate" } ], "quote": "In Ningbo, Saubhāgya Śayana Vrata 2000 falls on Friday 7 April. Tṛtīyā runs from 22:14 on Thu 6 Apr to 19:52 on Fri 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-04-08", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18349, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-04-07T19:52:25+08:00", "utc": "2000-04-07T11:52:25Z", "ms": 955108345340.0088 }, "end": { "local": "2000-04-08T17:25:42+08:00", "utc": "2000-04-08T09:25:42Z", "ms": 955185942224.9702 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-07T19:52:25+08:00", "utc": "2000-04-07T11:52:25Z", "ms": 955108345340.0088 }, "end": { "local": "2000-04-08T17:25:42+08:00", "utc": "2000-04-08T09:25:42Z", "ms": 955185942224.9702 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-04-07", "window": { "start": { "local": "2000-04-07T11:32:10+08:00", "utc": "2000-04-07T03:32:10Z", "ms": 955078329791.8154 }, "end": { "local": "2000-04-07T12:20:10+08:00", "utc": "2000-04-07T04:20:10Z", "ms": 955081209791.8154 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-04-08", "window": { "start": { "local": "2000-04-08T11:31:53+08:00", "utc": "2000-04-08T03:31:53Z", "ms": 955164713141.0669 }, "end": { "local": "2000-04-08T12:19:53+08:00", "utc": "2000-04-08T04:19:53Z", "ms": 955167593141.0669 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:52 on Fri 7 Apr to 17:26 on Sat 8 Apr.", "fact": "2000-04-07T11:52:25Z → 2000-04-08T09:25:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 7th, 11:32–12:20 on the 8th.", "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 7th and 48 of 48 on the 8th.", "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 18349 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ningbo, 2000: Saturday 8 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": "2000-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-08", "confidence": "determinate" } ], "quote": "In Ningbo, Vināyaka Caturthī 2000 falls on Saturday 8 April. Caturthī runs from 19:52 on Fri 7 Apr to 17:26 on Sat 8 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-04-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9639, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2000-04-08T17:25:42+08:00", "utc": "2000-04-08T09:25:42Z", "ms": 955185942224.9702 }, "end": { "local": "2000-04-09T15:00:16+08:00", "utc": "2000-04-09T07:00:16Z", "ms": 955263615989.5469 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-08T17:25:42+08:00", "utc": "2000-04-08T09:25:42Z", "ms": 955185942224.9702 }, "end": { "local": "2000-04-09T15:00:16+08:00", "utc": "2000-04-09T07:00:16Z", "ms": 955263615989.5469 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-04-08", "window": { "start": { "local": "2000-04-08T11:31:53+08:00", "utc": "2000-04-08T03:31:53Z", "ms": 955164713141.0669 }, "end": { "local": "2000-04-08T12:19:53+08:00", "utc": "2000-04-08T04:19:53Z", "ms": 955167593141.0669 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-04-09", "window": { "start": { "local": "2000-04-09T11:31:37+08:00", "utc": "2000-04-09T03:31:37Z", "ms": 955251096714.2045 }, "end": { "local": "2000-04-09T12:19:37+08:00", "utc": "2000-04-09T04:19:37Z", "ms": 955253976714.2045 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:26 on Sat 8 Apr to 15:00 on Sun 9 Apr.", "fact": "2000-04-08T09:25:42Z → 2000-04-09T07:00:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 8th, 11:32–12:20 on the 9th.", "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 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9639 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Ningbo, 2000: Sunday 9 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-09", "confidence": "determinate" } ], "quote": "In Ningbo, Lakṣmī Pañcamī 2000 falls on Sunday 9 April. Pañcamī runs from 17:26 on Sat 8 Apr to 15:00 on Sun 9 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3600, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2000-04-11T10:31:05+08:00", "utc": "2000-04-11T02:31:05Z", "ms": 955420264558.2467 }, "end": { "local": "2000-04-12T08:32:38+08:00", "utc": "2000-04-12T00:32:38Z", "ms": 955499557649.5654 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-11T10:31:05+08:00", "utc": "2000-04-11T02:31:05Z", "ms": 955420264558.2467 }, "end": { "local": "2000-04-12T08:32:38+08:00", "utc": "2000-04-12T00:32:38Z", "ms": 955499557649.5654 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-04-11", "window": { "start": { "local": "2000-04-11T11:31:05+08:00", "utc": "2000-04-11T03:31:05Z", "ms": 955423864590.116 }, "end": { "local": "2000-04-11T12:19:05+08:00", "utc": "2000-04-11T04:19:05Z", "ms": 955426744590.116 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-04-12", "window": { "start": { "local": "2000-04-12T11:30:49+08:00", "utc": "2000-04-12T03:30:49Z", "ms": 955510248923.8958 }, "end": { "local": "2000-04-12T12:18:49+08:00", "utc": "2000-04-12T04:18:49Z", "ms": 955513128923.8958 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:31 on Tue 11 Apr to 08:33 on Wed 12 Apr.", "fact": "2000-04-11T02:31:05Z → 2000-04-12T00:32:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 11th, 11:31–12:19 on the 12th.", "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 11th and 0 of 48 on the 12th.", "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 3600 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Ningbo, 2000: Tuesday 11 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-11", "confidence": "determinate" } ], "quote": "In Ningbo, Bhavānī Utpatti 2000 falls on Tuesday 11 April. Aṣṭamī runs from 10:31 on Tue 11 Apr to 08:33 on Wed 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10691, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2000-04-12T08:32:38+08:00", "utc": "2000-04-12T00:32:38Z", "ms": 955499557649.5654 }, "end": { "local": "2000-04-13T06:46:38+08:00", "utc": "2000-04-12T22:46:38Z", "ms": 955579597746.6252 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-12T08:32:38+08:00", "utc": "2000-04-12T00:32:38Z", "ms": 955499557649.5654 }, "end": { "local": "2000-04-13T06:46:38+08:00", "utc": "2000-04-12T22:46:38Z", "ms": 955579597746.6252 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-04-12", "window": { "start": { "local": "2000-04-12T11:30:49+08:00", "utc": "2000-04-12T03:30:49Z", "ms": 955510248923.8958 }, "end": { "local": "2000-04-12T12:18:49+08:00", "utc": "2000-04-12T04:18:49Z", "ms": 955513128923.8958 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-04-13", "window": { "start": { "local": "2000-04-13T11:30:34+08:00", "utc": "2000-04-13T03:30:34Z", "ms": 955596633543.6617 }, "end": { "local": "2000-04-13T12:18:34+08:00", "utc": "2000-04-13T04:18:34Z", "ms": 955599513543.6617 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 08:33 on Wed 12 Apr to 06:47 on Thu 13 Apr.", "fact": "2000-04-12T00:32:38Z → 2000-04-12T22:46:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 12th, 11:31–12:19 on the 13th.", "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 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10691 s" }, { "step": "ruling", "text": "Rāma Navamī, Ningbo, 2000: Wednesday 12 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-12", "confidence": "determinate" } ], "quote": "In Ningbo, Rāma Navamī 2000 falls on Wednesday 12 April. Navamī runs from 08:33 on Wed 12 Apr to 06:47 on Thu 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34589, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2000-04-13T19:52:10+08:00", "utc": "2000-04-13T11:52:10Z", "ms": 955626729653.2512 }, "end": { "local": "2000-05-14T16:44:32+08:00", "utc": "2000-05-14T08:44:32Z", "ms": 958293872219.8943 } }, "span": { "of": "transit", "start": { "local": "2000-04-13T19:52:10+08:00", "utc": "2000-04-13T11:52:10Z", "ms": 955626729653.2512 }, "end": { "local": "2000-04-13T19:52:10+08:00", "utc": "2000-04-13T11:52:10Z", "ms": 955626729653.2512 } }, "kaala": "day", "days": [ { "local_date": "2000-04-13", "window": { "start": { "local": "2000-04-13T05:29:45+08:00", "utc": "2000-04-12T21:29:45Z", "ms": 955574985037.9429 }, "end": { "local": "2000-04-14T05:28:38+08:00", "utc": "2000-04-13T21:28:38Z", "ms": 955661318283.1843 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "2000-04-14", "window": { "start": { "local": "2000-04-14T05:28:38+08:00", "utc": "2000-04-13T21:28:38Z", "ms": 955661318283.1843 }, "end": { "local": "2000-04-15T05:27:32+08:00", "utc": "2000-04-14T21:27:32Z", "ms": 955747652087.0952 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 19:52 on Thu 13 Apr.", "fact": "2000-04-13T11:52:10Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:30 on the 13th, and from 05:29 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 34589 s" }, { "step": "ruling", "text": "Vaiśākhī, Ningbo, 2000: Thursday 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": "2000-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2000-04-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2000-04-14", "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 Ningbo, Vaiśākhī 2000 falls on Thursday 13 April. The Sun enters Meṣa at 19:52 on Thu 13 Apr, and the rule counts the day from sunrise. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-04-14", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 896, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-04-14T05:13:42+08:00", "utc": "2000-04-13T21:13:42Z", "ms": 955660422371.4719 }, "end": { "local": "2000-04-15T03:54:41+08:00", "utc": "2000-04-14T19:54:41Z", "ms": 955742080733.9316 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-14T05:13:42+08:00", "utc": "2000-04-13T21:13:42Z", "ms": 955660422371.4719 }, "end": { "local": "2000-04-15T03:54:41+08:00", "utc": "2000-04-14T19:54:41Z", "ms": 955742080733.9316 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-04-14", "window": { "start": { "local": "2000-04-14T05:28:38+08:00", "utc": "2000-04-13T21:28:38Z", "ms": 955661318283.1843 }, "end": { "local": "2000-04-14T05:28:38+08:00", "utc": "2000-04-13T21:28:38Z", "ms": 955661318283.1843 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-04-15", "window": { "start": { "local": "2000-04-15T05:27:32+08:00", "utc": "2000-04-14T21:27:32Z", "ms": 955747652087.0952 }, "end": { "local": "2000-04-15T05:27:32+08:00", "utc": "2000-04-14T21:27:32Z", "ms": 955747652087.0952 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:14 on Fri 14 Apr to 03:55 on Sat 15 Apr.", "fact": "2000-04-13T21:13:42Z → 2000-04-14T19:54:41Z" }, { "step": "kaala", "text": "Sunrise is at 05:29 on the 14th and 05:28 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 896 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Ningbo, 2000: Friday 14 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": "2000-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-14", "confidence": "determinate" } ], "quote": "In Ningbo, Kāmadā Ekādaśī 2000 falls on Friday 14 April. Ekādaśī runs from 05:14 on Fri 14 Apr to 03:55 on Sat 15 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-04-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31126, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-04-16T02:51:03+08:00", "utc": "2000-04-15T18:51:03Z", "ms": 955824663353.8743 }, "end": { "local": "2000-04-17T02:05:18+08:00", "utc": "2000-04-16T18:05:18Z", "ms": 955908318141.0679 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-16T02:51:03+08:00", "utc": "2000-04-15T18:51:03Z", "ms": 955824663353.8743 }, "end": { "local": "2000-04-17T02:05:18+08:00", "utc": "2000-04-16T18:05:18Z", "ms": 955908318141.0679 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-04-16", "window": { "start": { "local": "2000-04-16T11:29:49+08:00", "utc": "2000-04-16T03:29:49Z", "ms": 955855789296.7551 }, "end": { "local": "2000-04-16T12:17:49+08:00", "utc": "2000-04-16T04:17:49Z", "ms": 955858669296.7551 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-04-17", "window": { "start": { "local": "2000-04-17T11:29:35+08:00", "utc": "2000-04-17T03:29:35Z", "ms": 955942175240.1781 }, "end": { "local": "2000-04-17T12:17:35+08:00", "utc": "2000-04-17T04:17:35Z", "ms": 955945055240.1781 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:51 on Sun 16 Apr to 02:05 on Mon 17 Apr.", "fact": "2000-04-15T18:51:03Z → 2000-04-16T18:05:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 16th, 11:30–12:18 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 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: purvaviddha → only-day · margin 31126 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Ningbo, 2000: Sunday 16 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-16", "confidence": "determinate" } ], "quote": "In Ningbo, Anaṅga Trayodaśī 2000 falls on Sunday 16 April. Trayodaśī runs from 02:51 on Sun 16 Apr to 02:05 on Mon 17 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/pradosha-vrata?on=2000-04-16", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22533, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-04-16T02:51:03+08:00", "utc": "2000-04-15T18:51:03Z", "ms": 955824663353.8743 }, "end": { "local": "2000-04-17T02:05:18+08:00", "utc": "2000-04-16T18:05:18Z", "ms": 955908318141.0679 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-16T02:51:03+08:00", "utc": "2000-04-15T18:51:03Z", "ms": 955824663353.8743 }, "end": { "local": "2000-04-17T02:05:18+08:00", "utc": "2000-04-16T18:05:18Z", "ms": 955908318141.0679 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-04-15", "window": { "start": { "local": "2000-04-15T18:20:35+08:00", "utc": "2000-04-15T10:20:35Z", "ms": 955794035336.5826 }, "end": { "local": "2000-04-15T19:49:22+08:00", "utc": "2000-04-15T11:49:22Z", "ms": 955799362155.5276 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "2000-04-16", "window": { "start": { "local": "2000-04-16T18:21:12+08:00", "utc": "2000-04-16T10:21:12Z", "ms": 955880472114.8408 }, "end": { "local": "2000-04-16T19:49:45+08:00", "utc": "2000-04-16T11:49:45Z", "ms": 955885785364.465 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:51 on Sun 16 Apr to 02:05 on Mon 17 Apr.", "fact": "2000-04-15T18:51:03Z → 2000-04-16T18:05:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:21–19:49 on the 15th, 18:21–19:50 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 89 minutes on the 15th and 89 of 89 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22533 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ningbo, 2000: Sunday 16 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-16", "confidence": "determinate" } ], "quote": "In Ningbo, Śukla Pradoṣa Vrata 2000 falls on Sunday 16 April. Trayodaśī runs from 02:51 on Sun 16 Apr to 02:05 on Mon 17 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-04-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33857, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-04-17T02:05:18+08:00", "utc": "2000-04-16T18:05:18Z", "ms": 955908318141.0679 }, "end": { "local": "2000-04-18T01:40:48+08:00", "utc": "2000-04-17T17:40:48Z", "ms": 955993248321.3936 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-17T02:05:18+08:00", "utc": "2000-04-16T18:05:18Z", "ms": 955908318141.0679 }, "end": { "local": "2000-04-18T01:40:48+08:00", "utc": "2000-04-17T17:40:48Z", "ms": 955993248321.3936 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-04-17", "window": { "start": { "local": "2000-04-17T11:29:35+08:00", "utc": "2000-04-17T03:29:35Z", "ms": 955942175240.1781 }, "end": { "local": "2000-04-17T12:17:35+08:00", "utc": "2000-04-17T04:17:35Z", "ms": 955945055240.1781 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-04-18", "window": { "start": { "local": "2000-04-18T11:29:22+08:00", "utc": "2000-04-18T03:29:22Z", "ms": 956028561560.3964 }, "end": { "local": "2000-04-18T12:17:22+08:00", "utc": "2000-04-18T04:17:22Z", "ms": 956031441560.3964 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:05 on Mon 17 Apr to 01:41 on Tue 18 Apr.", "fact": "2000-04-16T18:05:18Z → 2000-04-17T17:40:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 17th, 11:29–12:17 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "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 33857 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Ningbo, 2000: Monday 17 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-17", "confidence": "determinate" } ], "quote": "In Ningbo, Viṣṇudamanaka Caturdaśī 2000 falls on Monday 17 April. Caturdaśī runs from 02:05 on Mon 17 Apr to 01:41 on Tue 18 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35258, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-04-18T01:40:48+08:00", "utc": "2000-04-17T17:40:48Z", "ms": 955993248321.3936 }, "end": { "local": "2000-04-19T01:41:31+08:00", "utc": "2000-04-18T17:41:31Z", "ms": 956079690538.4719 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2000-04-18T01:40:48+08:00", "utc": "2000-04-17T17:40:48Z", "ms": 955993248321.3936 }, "end": { "local": "2000-04-19T01:41:31+08:00", "utc": "2000-04-18T17:41:31Z", "ms": 956079690538.4719 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-04-18", "window": { "start": { "local": "2000-04-18T11:29:22+08:00", "utc": "2000-04-18T03:29:22Z", "ms": 956028561560.3964 }, "end": { "local": "2000-04-18T12:17:22+08:00", "utc": "2000-04-18T04:17:22Z", "ms": 956031441560.3964 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-04-19", "window": { "start": { "local": "2000-04-19T11:29:08+08:00", "utc": "2000-04-19T03:29:08Z", "ms": 956114948275.2617 }, "end": { "local": "2000-04-19T12:17:08+08:00", "utc": "2000-04-19T04:17:08Z", "ms": 956117828275.2617 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:41 on Tue 18 Apr to 01:42 on Wed 19 Apr.", "fact": "2000-04-17T17:40:48Z → 2000-04-18T17:41:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 18th, 11:29–12:17 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā 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 35258 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Ningbo, 2000: Tuesday 18 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chaitri-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-18", "confidence": "determinate" } ], "quote": "In Ningbo, Caitrī Pūrṇimā 2000 falls on Tuesday 18 April. Pūrṇimā runs from 01:41 on Tue 18 Apr to 01:42 on Wed 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/sankashta-chaturthi?on=2000-04-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28721, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-04-22T04:46:17+08:00", "utc": "2000-04-21T20:46:17Z", "ms": 956349977145.4271 }, "end": { "local": "2000-04-23T06:49:06+08:00", "utc": "2000-04-22T22:49:06Z", "ms": 956443746434.5796 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-04-22T04:46:17+08:00", "utc": "2000-04-21T20:46:17Z", "ms": 956349977145.4271 }, "end": { "local": "2000-04-23T06:49:06+08:00", "utc": "2000-04-22T22:49:06Z", "ms": 956443746434.5796 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-04-21", "window": { "start": { "local": "2000-04-21T20:47:37+08:00", "utc": "2000-04-21T12:47:37Z", "ms": 956321256620.0226 }, "end": { "local": "2000-04-21T20:47:37+08:00", "utc": "2000-04-21T12:47:37Z", "ms": 956321256620.0226 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-04-22", "window": { "start": { "local": "2000-04-22T21:41:46+08:00", "utc": "2000-04-22T13:41:46Z", "ms": 956410905730.2307 }, "end": { "local": "2000-04-22T21:41:46+08:00", "utc": "2000-04-22T13:41:46Z", "ms": 956410905730.2307 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:46 on Sat 22 Apr to 06:49 on Sun 23 Apr.", "fact": "2000-04-21T20:46:17Z → 2000-04-22T22:49:06Z" }, { "step": "kaala", "text": "Moonrise is at 20:48 on the 21st and 21:42 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 21st and is on the 22nd.", "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 28721 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ningbo, 2000: Saturday 22 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": "2000-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-22", "confidence": "determinate" } ], "quote": "In Ningbo, Saṅkaṣṭa Caturthī 2000 falls on Saturday 22 April. Caturthī runs from 04:46 on Sat 22 Apr to 06:49 on Sun 23 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/sankashta-chaturthi?on=2000-04-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/ekadashi?on=2000-04-30", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36093, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-04-29T19:04:52+08:00", "utc": "2000-04-29T11:04:52Z", "ms": 957006291947.1744 }, "end": { "local": "2000-04-30T19:09:59+08:00", "utc": "2000-04-30T11:09:59Z", "ms": 957092998850.8724 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-04-29T19:04:52+08:00", "utc": "2000-04-29T11:04:52Z", "ms": 957006291947.1744 }, "end": { "local": "2000-04-30T19:09:59+08:00", "utc": "2000-04-30T11:09:59Z", "ms": 957092998850.8724 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-04-30", "window": { "start": { "local": "2000-04-30T05:12:26+08:00", "utc": "2000-04-29T21:12:26Z", "ms": 957042745524.5165 }, "end": { "local": "2000-04-30T05:12:26+08:00", "utc": "2000-04-29T21:12:26Z", "ms": 957042745524.5165 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-05-01", "window": { "start": { "local": "2000-05-01T05:11:32+08:00", "utc": "2000-04-30T21:11:32Z", "ms": 957129092060.7949 }, "end": { "local": "2000-05-01T05:11:32+08:00", "utc": "2000-04-30T21:11:32Z", "ms": 957129092060.7949 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:05 on Sat 29 Apr to 19:10 on Sun 30 Apr.", "fact": "2000-04-29T11:04:52Z → 2000-04-30T11:09:59Z" }, { "step": "kaala", "text": "Sunrise is at 05:12 on the 30th and 05:12 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36093 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Ningbo, 2000: Sunday 30 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": "2000-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-04-30", "confidence": "determinate" } ], "quote": "In Ningbo, Varūthinī Ekādaśī 2000 falls on Sunday 30 April. Ekādaśī runs from 19:05 on Sat 29 Apr to 19:10 on Sun 30 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-04-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-05-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-01", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 289, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-05-01T18:25:49+08:00", "utc": "2000-05-01T10:25:49Z", "ms": 957176749109.4813 }, "end": { "local": "2000-05-02T16:56:25+08:00", "utc": "2000-05-02T08:56:25Z", "ms": 957257785379.9098 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-01T18:25:49+08:00", "utc": "2000-05-01T10:25:49Z", "ms": 957176749109.4813 }, "end": { "local": "2000-05-02T16:56:25+08:00", "utc": "2000-05-02T08:56:25Z", "ms": 957257785379.9098 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-05-01", "window": { "start": { "local": "2000-05-01T18:30:38+08:00", "utc": "2000-05-01T10:30:38Z", "ms": 957177037987.6984 }, "end": { "local": "2000-05-01T19:55:58+08:00", "utc": "2000-05-01T11:55:58Z", "ms": 957182158203.508 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2000-05-02", "window": { "start": { "local": "2000-05-02T18:31:17+08:00", "utc": "2000-05-02T10:31:17Z", "ms": 957263476608.0758 }, "end": { "local": "2000-05-02T19:56:25+08:00", "utc": "2000-05-02T11:56:25Z", "ms": 957268584817.8585 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:26 on Mon 1 May to 16:56 on Tue 2 May.", "fact": "2000-05-01T10:25:49Z → 2000-05-02T08:56:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–19:56 on the 1st, 18:31–19:56 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 1st and 0 of 85 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 289 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ningbo, 2000: Monday 1 May.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-05-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-01", "confidence": "determinate" } ], "quote": "In Ningbo, Kṛṣṇa Pradoṣa Vrata 2000 falls on Monday 1 May. Trayodaśī runs from 18:26 on Mon 1 May to 16:56 on Tue 2 May and covers all of pradoṣa that evening. It is 4 min 49 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-05-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shivaratri?on=2000-05-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23407, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-05-02T16:56:25+08:00", "utc": "2000-05-02T08:56:25Z", "ms": 957257785379.9098 }, "end": { "local": "2000-05-03T14:48:52+08:00", "utc": "2000-05-03T06:48:52Z", "ms": 957336532054.6016 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-02T16:56:25+08:00", "utc": "2000-05-02T08:56:25Z", "ms": 957257785379.9098 }, "end": { "local": "2000-05-03T14:48:52+08:00", "utc": "2000-05-03T06:48:52Z", "ms": 957336532054.6016 } }, "kaala": "nishita", "days": [ { "local_date": "2000-05-02", "window": { "start": { "local": "2000-05-02T23:26:32+08:00", "utc": "2000-05-02T15:26:32Z", "ms": 957281192394.7612 }, "end": { "local": "2000-05-03T00:14:32+08:00", "utc": "2000-05-02T16:14:32Z", "ms": 957284072394.7612 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-05-03", "window": { "start": { "local": "2000-05-03T23:26:27+08:00", "utc": "2000-05-03T15:26:27Z", "ms": 957367586550.674 }, "end": { "local": "2000-05-04T00:14:27+08:00", "utc": "2000-05-03T16:14:27Z", "ms": 957370466550.674 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:56 on Tue 2 May to 14:49 on Wed 3 May.", "fact": "2000-05-02T08:56:25Z → 2000-05-03T06:48:52Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 2nd, 23:26–00:14 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "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 23407 s" }, { "step": "ruling", "text": "Śivarātri, Ningbo, 2000: Tuesday 2 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": "2000-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-02", "confidence": "determinate" } ], "quote": "In Ningbo, Śivarātri 2000 falls on Tuesday 2 May. Caturdaśī runs from 16:56 on Tue 2 May to 14:49 on Wed 3 May and covers all of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/shivaratri?on=2000-05-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3739, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2000-05-06T06:09:39+08:00", "utc": "2000-05-05T22:09:39Z", "ms": 957564579363.0543 }, "end": { "local": "2000-05-07T03:03:02+08:00", "utc": "2000-05-06T19:03:02Z", "ms": 957639781633.9843 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-06T06:09:39+08:00", "utc": "2000-05-05T22:09:39Z", "ms": 957564579363.0543 }, "end": { "local": "2000-05-07T03:03:02+08:00", "utc": "2000-05-06T19:03:02Z", "ms": 957639781633.9843 } }, "kaala": "purvahna", "days": [ { "local_date": "2000-05-06", "window": { "start": { "local": "2000-05-06T05:07:20+08:00", "utc": "2000-05-05T21:07:20Z", "ms": 957560840271.9689 }, "end": { "local": "2000-05-06T09:36:11+08:00", "utc": "2000-05-06T01:36:11Z", "ms": 957576970713.9791 } }, "covered_min": 207, "window_min": 269, "qualifies": true }, { "local_date": "2000-05-07", "window": { "start": { "local": "2000-05-07T05:06:33+08:00", "utc": "2000-05-06T21:06:33Z", "ms": 957647193148.6699 }, "end": { "local": "2000-05-07T09:35:52+08:00", "utc": "2000-05-07T01:35:52Z", "ms": 957663352226.6459 } }, "covered_min": 0, "window_min": 269, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:10 on Sat 6 May to 03:03 on Sun 7 May.", "fact": "2000-05-05T22:09:39Z → 2000-05-06T19:03:02Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:07–09:36 on the 6th, 05:07–09:36 on the 7th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 207 of 269 minutes on the 6th and 0 of 269 on the 7th.", "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 3739 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Ningbo, 2000: Saturday 6 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": "2000-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-06", "confidence": "determinate" } ], "quote": "In Ningbo, Akṣaya Tṛtīyā 2000 falls on Saturday 6 May. Tṛtīyā runs from 06:10 on Sat 6 May to 03:03 on Sun 7 May and covers 207 of 269 minutes of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25488, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2000-05-06T06:09:39+08:00", "utc": "2000-05-05T22:09:39Z", "ms": 957564579363.0543 }, "end": { "local": "2000-05-07T03:03:02+08:00", "utc": "2000-05-06T19:03:02Z", "ms": 957639781633.9843 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-06T06:09:39+08:00", "utc": "2000-05-05T22:09:39Z", "ms": 957564579363.0543 }, "end": { "local": "2000-05-07T03:03:02+08:00", "utc": "2000-05-06T19:03:02Z", "ms": 957639781633.9843 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-05-05", "window": { "start": { "local": "2000-05-05T18:33:13+08:00", "utc": "2000-05-05T10:33:13Z", "ms": 957522792808.9436 }, "end": { "local": "2000-05-05T19:57:46+08:00", "utc": "2000-05-05T11:57:46Z", "ms": 957527865804.0137 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "2000-05-06", "window": { "start": { "local": "2000-05-06T18:33:52+08:00", "utc": "2000-05-06T10:33:52Z", "ms": 957609231597.9995 }, "end": { "local": "2000-05-06T19:58:13+08:00", "utc": "2000-05-06T11:58:13Z", "ms": 957614293138.0889 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:10 on Sat 6 May to 03:03 on Sun 7 May.", "fact": "2000-05-05T22:09:39Z → 2000-05-06T19:03:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–19:58 on the 5th, 18:34–19:58 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 85 minutes on the 5th and 84 of 84 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25488 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Ningbo, 2000: Saturday 6 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-06", "confidence": "determinate" } ], "quote": "In Ningbo, Paraśurāma Jayantī 2000 falls on Saturday 6 May. Tṛtīyā runs from 06:10 on Sat 6 May to 03:03 on Sun 7 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-05-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30210, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-05-07T03:03:02+08:00", "utc": "2000-05-06T19:03:02Z", "ms": 957639781633.9843 }, "end": { "local": "2000-05-08T00:04:01+08:00", "utc": "2000-05-07T16:04:01Z", "ms": 957715440965.8129 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-07T03:03:02+08:00", "utc": "2000-05-06T19:03:02Z", "ms": 957639781633.9843 }, "end": { "local": "2000-05-08T00:04:01+08:00", "utc": "2000-05-07T16:04:01Z", "ms": 957715440965.8129 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-05-07", "window": { "start": { "local": "2000-05-07T11:26:32+08:00", "utc": "2000-05-07T03:26:32Z", "ms": 957669991765.6338 }, "end": { "local": "2000-05-07T12:14:32+08:00", "utc": "2000-05-07T04:14:32Z", "ms": 957672871765.6338 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-05-08", "window": { "start": { "local": "2000-05-08T11:26:28+08:00", "utc": "2000-05-08T03:26:28Z", "ms": 957756388143.2351 }, "end": { "local": "2000-05-08T12:14:28+08:00", "utc": "2000-05-08T04:14:28Z", "ms": 957759268143.2351 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:03 on Sun 7 May to 00:04 on Mon 8 May.", "fact": "2000-05-06T19:03:02Z → 2000-05-07T16:04:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 7th, 11:26–12:14 on the 8th.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30210 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ningbo, 2000: Sunday 7 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": "2000-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-07", "confidence": "determinate" } ], "quote": "In Ningbo, Vināyaka Caturthī 2000 falls on Sunday 7 May. Caturthī runs from 03:03 on Sun 7 May to 00:04 on Mon 8 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32696, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2000-05-08T00:04:01+08:00", "utc": "2000-05-07T16:04:01Z", "ms": 957715440965.8129 }, "end": { "local": "2000-05-08T21:19:24+08:00", "utc": "2000-05-08T13:19:24Z", "ms": 957791964201.794 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-08T00:04:01+08:00", "utc": "2000-05-07T16:04:01Z", "ms": 957715440965.8129 }, "end": { "local": "2000-05-08T21:19:24+08:00", "utc": "2000-05-08T13:19:24Z", "ms": 957791964201.794 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-05-07", "window": { "start": { "local": "2000-05-07T11:26:32+08:00", "utc": "2000-05-07T03:26:32Z", "ms": 957669991765.6338 }, "end": { "local": "2000-05-07T12:14:32+08:00", "utc": "2000-05-07T04:14:32Z", "ms": 957672871765.6338 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-05-08", "window": { "start": { "local": "2000-05-08T11:26:28+08:00", "utc": "2000-05-08T03:26:28Z", "ms": 957756388143.2351 }, "end": { "local": "2000-05-08T12:14:28+08:00", "utc": "2000-05-08T04:14:28Z", "ms": 957759268143.2351 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:04 on Mon 8 May to 21:19 on Mon 8 May.", "fact": "2000-05-07T16:04:01Z → 2000-05-08T13:19:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 7th, 11:26–12:14 on the 8th.", "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 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32696 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Ningbo, 2000: Monday 8 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": "2000-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-08", "confidence": "determinate" } ], "quote": "In Ningbo, Śaṅkara Jayantī 2000 falls on Monday 8 May. Pañcamī runs from 00:04 on Mon 8 May to 21:19 on Mon 8 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16674, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2000-05-09T18:54:21+08:00", "utc": "2000-05-09T10:54:21Z", "ms": 957869660594.4899 }, "end": { "local": "2000-05-10T16:52:17+08:00", "utc": "2000-05-10T08:52:17Z", "ms": 957948736712.3242 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-09T18:54:21+08:00", "utc": "2000-05-09T10:54:21Z", "ms": 957869660594.4899 }, "end": { "local": "2000-05-10T16:52:17+08:00", "utc": "2000-05-10T08:52:17Z", "ms": 957948736712.3242 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-05-09", "window": { "start": { "local": "2000-05-09T11:26:25+08:00", "utc": "2000-05-09T03:26:25Z", "ms": 957842785066.6658 }, "end": { "local": "2000-05-09T12:14:25+08:00", "utc": "2000-05-09T04:14:25Z", "ms": 957845665066.6658 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-05-10", "window": { "start": { "local": "2000-05-10T11:26:23+08:00", "utc": "2000-05-10T03:26:23Z", "ms": 957929182535.408 }, "end": { "local": "2000-05-10T12:14:23+08:00", "utc": "2000-05-10T04:14:23Z", "ms": 957932062535.408 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:54 on Tue 9 May to 16:52 on Wed 10 May.", "fact": "2000-05-09T10:54:21Z → 2000-05-10T08:52:17Z" }, { "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": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16674 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Ningbo, 2000: Wednesday 10 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": "2000-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-10", "confidence": "determinate" } ], "quote": "In Ningbo, Gaṅgotpatti (Ganga Saptami) 2000 falls on Wednesday 10 May. Saptamī runs from 18:54 on Tue 9 May to 16:52 on Wed 10 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-05-14", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28384, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-05-13T13:16:35+08:00", "utc": "2000-05-13T05:16:35Z", "ms": 958194995366.2794 }, "end": { "local": "2000-05-14T12:54:40+08:00", "utc": "2000-05-14T04:54:40Z", "ms": 958280079576.272 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-13T13:16:35+08:00", "utc": "2000-05-13T05:16:35Z", "ms": 958194995366.2794 }, "end": { "local": "2000-05-14T12:54:40+08:00", "utc": "2000-05-14T04:54:40Z", "ms": 958280079576.272 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-05-13", "window": { "start": { "local": "2000-05-13T05:02:15+08:00", "utc": "2000-05-12T21:02:15Z", "ms": 958165334539.068 }, "end": { "local": "2000-05-13T05:02:15+08:00", "utc": "2000-05-12T21:02:15Z", "ms": 958165334539.068 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-05-14", "window": { "start": { "local": "2000-05-14T05:01:36+08:00", "utc": "2000-05-13T21:01:36Z", "ms": 958251695635.3438 }, "end": { "local": "2000-05-14T05:01:36+08:00", "utc": "2000-05-13T21:01:36Z", "ms": 958251695635.3438 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:17 on Sat 13 May to 12:55 on Sun 14 May.", "fact": "2000-05-13T05:16:35Z → 2000-05-14T04:54:40Z" }, { "step": "kaala", "text": "Sunrise is at 05:02 on the 13th and 05:02 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28384 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Ningbo, 2000: Sunday 14 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-14", "confidence": "determinate" } ], "quote": "In Ningbo, Mohinī Ekādaśī 2000 falls on Sunday 14 May. Ekādaśī runs from 13:17 on Sat 13 May to 12:55 on Sun 14 May and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-05-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2422, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2000-05-14T12:54:40+08:00", "utc": "2000-05-14T04:54:40Z", "ms": 958280079576.272 }, "end": { "local": "2000-05-15T12:57:11+08:00", "utc": "2000-05-15T04:57:11Z", "ms": 958366630772.8676 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-14T12:54:40+08:00", "utc": "2000-05-14T04:54:40Z", "ms": 958280079576.272 }, "end": { "local": "2000-05-15T12:57:11+08:00", "utc": "2000-05-15T04:57:11Z", "ms": 958366630772.8676 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-05-14", "window": { "start": { "local": "2000-05-14T11:26:18+08:00", "utc": "2000-05-14T03:26:18Z", "ms": 958274777871.6323 }, "end": { "local": "2000-05-14T12:14:18+08:00", "utc": "2000-05-14T04:14:18Z", "ms": 958277657871.6323 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-05-15", "window": { "start": { "local": "2000-05-15T11:26:18+08:00", "utc": "2000-05-15T03:26:18Z", "ms": 958361178074.9028 }, "end": { "local": "2000-05-15T12:14:18+08:00", "utc": "2000-05-15T04:14:18Z", "ms": 958364058074.9028 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:55 on Sun 14 May to 12:57 on Mon 15 May.", "fact": "2000-05-14T04:54:40Z → 2000-05-15T04:57:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 14th, 11:26–12:14 on the 15th.", "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 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2422 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Ningbo, 2000: Monday 15 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": "2000-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-14", "confidence": "determinate" } ], "quote": "In Ningbo, Paraśurāma Dvādaśī 2000 falls on Monday 15 May. Dvādaśī runs from 12:55 on Sun 14 May to 12:57 on Mon 15 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2422, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2000-05-14T12:54:40+08:00", "utc": "2000-05-14T04:54:40Z", "ms": 958280079576.272 }, "end": { "local": "2000-05-15T12:57:11+08:00", "utc": "2000-05-15T04:57:11Z", "ms": 958366630772.8676 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-14T12:54:40+08:00", "utc": "2000-05-14T04:54:40Z", "ms": 958280079576.272 }, "end": { "local": "2000-05-15T12:57:11+08:00", "utc": "2000-05-15T04:57:11Z", "ms": 958366630772.8676 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-05-14", "window": { "start": { "local": "2000-05-14T11:26:18+08:00", "utc": "2000-05-14T03:26:18Z", "ms": 958274777871.6323 }, "end": { "local": "2000-05-14T12:14:18+08:00", "utc": "2000-05-14T04:14:18Z", "ms": 958277657871.6323 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-05-15", "window": { "start": { "local": "2000-05-15T11:26:18+08:00", "utc": "2000-05-15T03:26:18Z", "ms": 958361178074.9028 }, "end": { "local": "2000-05-15T12:14:18+08:00", "utc": "2000-05-15T04:14:18Z", "ms": 958364058074.9028 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:55 on Sun 14 May to 12:57 on Mon 15 May.", "fact": "2000-05-14T04:54:40Z → 2000-05-15T04:57:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 14th, 11:26–12:14 on the 15th.", "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 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2422 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Ningbo, 2000: Monday 15 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": "2000-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-14", "confidence": "determinate" } ], "quote": "In Ningbo, Rukmiṇī Dvādaśī 2000 falls on Monday 15 May. Dvādaśī runs from 12:55 on Sun 14 May to 12:57 on Mon 15 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/pradosha-vrata?on=2000-05-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18957, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-05-15T12:57:11+08:00", "utc": "2000-05-15T04:57:11Z", "ms": 958366630772.8676 }, "end": { "local": "2000-05-16T13:24:19+08:00", "utc": "2000-05-16T05:24:19Z", "ms": 958454659240.1409 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-15T12:57:11+08:00", "utc": "2000-05-15T04:57:11Z", "ms": 958366630772.8676 }, "end": { "local": "2000-05-16T13:24:19+08:00", "utc": "2000-05-16T05:24:19Z", "ms": 958454659240.1409 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-05-15", "window": { "start": { "local": "2000-05-15T18:39:38+08:00", "utc": "2000-05-15T10:39:38Z", "ms": 958387178167.8927 }, "end": { "local": "2000-05-15T20:02:24+08:00", "utc": "2000-05-15T12:02:24Z", "ms": 958392143958.4688 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "2000-05-16", "window": { "start": { "local": "2000-05-16T18:40:16+08:00", "utc": "2000-05-16T10:40:16Z", "ms": 958473616056.5916 }, "end": { "local": "2000-05-16T20:02:52+08:00", "utc": "2000-05-16T12:02:52Z", "ms": 958478572115.5928 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:57 on Mon 15 May to 13:24 on Tue 16 May.", "fact": "2000-05-15T04:57:11Z → 2000-05-16T05:24:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:02 on the 15th, 18:40–20:03 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 15th and 0 of 83 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18957 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ningbo, 2000: Monday 15 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": "2000-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-15", "confidence": "determinate" } ], "quote": "In Ningbo, Śukla Pradoṣa Vrata 2000 falls on Monday 15 May. Trayodaśī runs from 12:57 on Mon 15 May to 13:24 on Tue 16 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-05-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15858, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-05-16T13:24:19+08:00", "utc": "2000-05-16T05:24:19Z", "ms": 958454659240.1409 }, "end": { "local": "2000-05-17T14:16:36+08:00", "utc": "2000-05-17T06:16:36Z", "ms": 958544195737.4215 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-16T13:24:19+08:00", "utc": "2000-05-16T05:24:19Z", "ms": 958454659240.1409 }, "end": { "local": "2000-05-17T14:16:36+08:00", "utc": "2000-05-17T06:16:36Z", "ms": 958544195737.4215 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-05-16", "window": { "start": { "local": "2000-05-16T18:40:16+08:00", "utc": "2000-05-16T10:40:16Z", "ms": 958473616056.5916 }, "end": { "local": "2000-05-16T20:02:52+08:00", "utc": "2000-05-16T12:02:52Z", "ms": 958478572115.5928 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "2000-05-17", "window": { "start": { "local": "2000-05-17T18:40:54+08:00", "utc": "2000-05-17T10:40:54Z", "ms": 958560053755.5498 }, "end": { "local": "2000-05-17T20:03:20+08:00", "utc": "2000-05-17T12:03:20Z", "ms": 958565000282.1097 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:24 on Tue 16 May to 14:17 on Wed 17 May.", "fact": "2000-05-16T05:24:19Z → 2000-05-17T06:16:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:03 on the 16th, 18:41–20:03 on the 17th.", "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 16th and 0 of 82 on the 17th.", "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 15858 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Ningbo, 2000: Tuesday 16 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": "2000-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-16", "confidence": "determinate" } ], "quote": "In Ningbo, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2000 falls on Tuesday 16 May. Caturdaśī runs from 13:24 on Tue 16 May to 14:17 on Wed 17 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7336, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-05-17T14:16:36+08:00", "utc": "2000-05-17T06:16:36Z", "ms": 958544195737.4215 }, "end": { "local": "2000-05-18T15:34:26+08:00", "utc": "2000-05-18T07:34:26Z", "ms": 958635265620.6134 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-17T14:16:36+08:00", "utc": "2000-05-17T06:16:36Z", "ms": 958544195737.4215 }, "end": { "local": "2000-05-18T15:34:26+08:00", "utc": "2000-05-18T07:34:26Z", "ms": 958635265620.6134 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-05-17", "window": { "start": { "local": "2000-05-17T11:26:20+08:00", "utc": "2000-05-17T03:26:20Z", "ms": 958533980127.3253 }, "end": { "local": "2000-05-17T12:14:20+08:00", "utc": "2000-05-17T04:14:20Z", "ms": 958536860127.3253 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-05-18", "window": { "start": { "local": "2000-05-18T11:26:22+08:00", "utc": "2000-05-18T03:26:22Z", "ms": 958620381975.126 }, "end": { "local": "2000-05-18T12:14:22+08:00", "utc": "2000-05-18T04:14:22Z", "ms": 958623261975.126 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:17 on Wed 17 May to 15:34 on Thu 18 May.", "fact": "2000-05-17T06:16:36Z → 2000-05-18T07:34:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 17th, 11:26–12:14 on the 18th.", "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 17th and 48 of 48 on the 18th.", "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 7336 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Ningbo, 2000: Thursday 18 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": "2000-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-18", "confidence": "determinate" } ], "quote": "In Ningbo, Buddha Pūrṇimā 2000 falls on Thursday 18 May. Pūrṇimā runs from 14:17 on Wed 17 May to 15:34 on Thu 18 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7336, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-05-17T14:16:36+08:00", "utc": "2000-05-17T06:16:36Z", "ms": 958544195737.4215 }, "end": { "local": "2000-05-18T15:34:26+08:00", "utc": "2000-05-18T07:34:26Z", "ms": 958635265620.6134 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-17T14:16:36+08:00", "utc": "2000-05-17T06:16:36Z", "ms": 958544195737.4215 }, "end": { "local": "2000-05-18T15:34:26+08:00", "utc": "2000-05-18T07:34:26Z", "ms": 958635265620.6134 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-05-17", "window": { "start": { "local": "2000-05-17T11:26:20+08:00", "utc": "2000-05-17T03:26:20Z", "ms": 958533980127.3253 }, "end": { "local": "2000-05-17T12:14:20+08:00", "utc": "2000-05-17T04:14:20Z", "ms": 958536860127.3253 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-05-18", "window": { "start": { "local": "2000-05-18T11:26:22+08:00", "utc": "2000-05-18T03:26:22Z", "ms": 958620381975.126 }, "end": { "local": "2000-05-18T12:14:22+08:00", "utc": "2000-05-18T04:14:22Z", "ms": 958623261975.126 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:17 on Wed 17 May to 15:34 on Thu 18 May.", "fact": "2000-05-17T06:16:36Z → 2000-05-18T07:34:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 17th, 11:26–12:14 on the 18th.", "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 17th and 48 of 48 on the 18th.", "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 7336 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Ningbo, 2000: Thursday 18 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": "2000-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-18", "confidence": "determinate" } ], "quote": "In Ningbo, Sampat Gaurī Vrata 2000 falls on Thursday 18 May. Pūrṇimā runs from 14:17 on Wed 17 May to 15:34 on Thu 18 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/sankashta-chaturthi?on=2000-05-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1757, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-05-21T21:47:51+08:00", "utc": "2000-05-21T13:47:51Z", "ms": 958916871166.5428 }, "end": { "local": "2000-05-23T00:22:43+08:00", "utc": "2000-05-22T16:22:43Z", "ms": 959012562812.1733 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-21T21:47:51+08:00", "utc": "2000-05-21T13:47:51Z", "ms": 958916871166.5428 }, "end": { "local": "2000-05-23T00:22:43+08:00", "utc": "2000-05-22T16:22:43Z", "ms": 959012562812.1733 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-05-21", "window": { "start": { "local": "2000-05-21T21:18:35+08:00", "utc": "2000-05-21T13:18:35Z", "ms": 958915114587.4673 }, "end": { "local": "2000-05-21T21:18:35+08:00", "utc": "2000-05-21T13:18:35Z", "ms": 958915114587.4673 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-05-22", "window": { "start": { "local": "2000-05-22T22:06:55+08:00", "utc": "2000-05-22T14:06:55Z", "ms": 959004414513.1262 }, "end": { "local": "2000-05-22T22:06:55+08:00", "utc": "2000-05-22T14:06:55Z", "ms": 959004414513.1262 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:48 on Sun 21 May to 00:23 on Tue 23 May.", "fact": "2000-05-21T13:47:51Z → 2000-05-22T16:22:43Z" }, { "step": "kaala", "text": "Moonrise is at 21:19 on the 21st and 22:07 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 21st and is on the 22nd.", "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 1757 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ningbo, 2000: Monday 22 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": "2000-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-22", "confidence": "determinate" } ], "quote": "In Ningbo, Saṅkaṣṭa Caturthī 2000 falls on Monday 22 May. Caturthī runs from 21:48 on Sun 21 May to 00:23 on Tue 23 May and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/sankashta-chaturthi?on=2000-05-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/ekadashi?on=2000-05-30", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8781, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-05-29T08:33:07+08:00", "utc": "2000-05-29T00:33:07Z", "ms": 959560386840.0013 }, "end": { "local": "2000-05-30T07:20:35+08:00", "utc": "2000-05-29T23:20:35Z", "ms": 959642434766.7622 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-29T08:33:07+08:00", "utc": "2000-05-29T00:33:07Z", "ms": 959560386840.0013 }, "end": { "local": "2000-05-30T07:20:35+08:00", "utc": "2000-05-29T23:20:35Z", "ms": 959642434766.7622 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-05-29", "window": { "start": { "local": "2000-05-29T04:54:31+08:00", "utc": "2000-05-28T20:54:31Z", "ms": 959547271009.6459 }, "end": { "local": "2000-05-29T04:54:31+08:00", "utc": "2000-05-28T20:54:31Z", "ms": 959547271009.6459 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-05-30", "window": { "start": { "local": "2000-05-30T04:54:14+08:00", "utc": "2000-05-29T20:54:14Z", "ms": 959633653845.794 }, "end": { "local": "2000-05-30T04:54:14+08:00", "utc": "2000-05-29T20:54:14Z", "ms": 959633653845.794 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:33 on Mon 29 May to 07:21 on Tue 30 May.", "fact": "2000-05-29T00:33:07Z → 2000-05-29T23:20:35Z" }, { "step": "kaala", "text": "Sunrise is at 04:55 on the 29th and 04:54 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8781 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Ningbo, 2000: Tuesday 30 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-30", "confidence": "determinate" } ], "quote": "In Ningbo, Aparā Ekādaśī 2000 falls on Tuesday 30 May. Ekādaśī runs from 08:33 on Mon 29 May to 07:21 on Tue 30 May and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-05-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-05-31", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23756, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-05-31T05:22:22+08:00", "utc": "2000-05-30T21:22:22Z", "ms": 959721741906.3153 }, "end": { "local": "2000-06-01T02:45:42+08:00", "utc": "2000-05-31T18:45:42Z", "ms": 959798741910.33 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2000-05-31T05:22:22+08:00", "utc": "2000-05-30T21:22:22Z", "ms": 959721741906.3153 }, "end": { "local": "2000-06-01T02:45:42+08:00", "utc": "2000-05-31T18:45:42Z", "ms": 959798741910.33 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-05-30", "window": { "start": { "local": "2000-05-30T18:48:36+08:00", "utc": "2000-05-30T10:48:36Z", "ms": 959683716367.8676 }, "end": { "local": "2000-05-30T20:09:19+08:00", "utc": "2000-05-30T12:09:19Z", "ms": 959688559266.9056 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "2000-05-31", "window": { "start": { "local": "2000-05-31T18:49:09+08:00", "utc": "2000-05-31T10:49:09Z", "ms": 959770148901.5975 }, "end": { "local": "2000-05-31T20:09:46+08:00", "utc": "2000-05-31T12:09:46Z", "ms": 959774985555.0265 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:22 on Wed 31 May to 02:46 on Thu 1 Jun.", "fact": "2000-05-30T21:22:22Z → 2000-05-31T18:45:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:09 on the 30th, 18:49–20:10 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 81 minutes on the 30th and 81 of 81 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23756 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ningbo, 2000: Wednesday 31 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-05-31", "confidence": "determinate" } ], "quote": "In Ningbo, Kṛṣṇa Pradoṣa Vrata 2000 falls on Wednesday 31 May. Trayodaśī runs from 05:22 on Wed 31 May to 02:46 on Thu 1 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-05-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shivaratri?on=2000-06-01", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 719, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-06-01T02:45:42+08:00", "utc": "2000-05-31T18:45:42Z", "ms": 959798741910.33 }, "end": { "local": "2000-06-01T23:39:35+08:00", "utc": "2000-06-01T15:39:35Z", "ms": 959873975141.6992 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2000-06-01T02:45:42+08:00", "utc": "2000-05-31T18:45:42Z", "ms": 959798741910.33 }, "end": { "local": "2000-06-01T23:39:35+08:00", "utc": "2000-06-01T15:39:35Z", "ms": 959873975141.6992 } }, "kaala": "nishita", "days": [ { "local_date": "2000-05-31", "window": { "start": { "local": "2000-05-31T23:27:26+08:00", "utc": "2000-05-31T15:27:26Z", "ms": 959786846351.9559 }, "end": { "local": "2000-06-01T00:15:26+08:00", "utc": "2000-05-31T16:15:26Z", "ms": 959789726351.9559 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-06-01", "window": { "start": { "local": "2000-06-01T23:27:36+08:00", "utc": "2000-06-01T15:27:36Z", "ms": 959873255878.8171 }, "end": { "local": "2000-06-02T00:15:36+08:00", "utc": "2000-06-01T16:15:36Z", "ms": 959876135878.8171 } }, "covered_min": 12, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:46 on Thu 1 Jun to 23:40 on Thu 1 Jun.", "fact": "2000-05-31T18:45:42Z → 2000-06-01T15:39:35Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 31st, 23:28–00:16 on the 1st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 31st and 12 of 48 on the 1st.", "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 719 s" }, { "step": "ruling", "text": "Śivarātri, Ningbo, 2000: Thursday 1 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-06-01", "confidence": "determinate" } ], "quote": "In Ningbo, Śivarātri 2000 falls on Thursday 1 June. Caturdaśī runs from 02:46 on Thu 1 Jun to 23:40 on Thu 1 Jun and covers 12 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/shivaratri?on=2000-06-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2901, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2000-06-04T13:04:32+08:00", "utc": "2000-06-04T05:04:32Z", "ms": 960095071676.0322 }, "end": { "local": "2000-06-05T09:39:55+08:00", "utc": "2000-06-05T01:39:55Z", "ms": 960169195489.7325 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2000-06-04T13:04:32+08:00", "utc": "2000-06-04T05:04:32Z", "ms": 960095071676.0322 }, "end": { "local": "2000-06-05T09:39:55+08:00", "utc": "2000-06-05T01:39:55Z", "ms": 960169195489.7325 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-06-04", "window": { "start": { "local": "2000-06-04T11:28:11+08:00", "utc": "2000-06-04T03:28:11Z", "ms": 960089291054.6553 }, "end": { "local": "2000-06-04T12:16:11+08:00", "utc": "2000-06-04T04:16:11Z", "ms": 960092171054.6553 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-06-05", "window": { "start": { "local": "2000-06-05T11:28:21+08:00", "utc": "2000-06-05T03:28:21Z", "ms": 960175701316.4331 }, "end": { "local": "2000-06-05T12:16:21+08:00", "utc": "2000-06-05T04:16:21Z", "ms": 960178581316.4331 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:05 on Sun 4 Jun to 09:40 on Mon 5 Jun.", "fact": "2000-06-04T05:04:32Z → 2000-06-05T01:39:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 4th, 11:28–12:16 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 2901 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Ningbo, 2000: Monday 5 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": "2000-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-06-04", "confidence": "determinate" } ], "quote": "In Ningbo, Rambhā Tṛtīyā 2000 falls on Monday 5 June. Tṛtīyā runs from 13:05 on Sun 4 Jun to 09:40 on Mon 5 Jun, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-06-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6506, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-06-05T09:39:55+08:00", "utc": "2000-06-05T01:39:55Z", "ms": 960169195489.7325 }, "end": { "local": "2000-06-06T06:33:25+08:00", "utc": "2000-06-05T22:33:25Z", "ms": 960244405389.8009 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2000-06-05T09:39:55+08:00", "utc": "2000-06-05T01:39:55Z", "ms": 960169195489.7325 }, "end": { "local": "2000-06-06T06:33:25+08:00", "utc": "2000-06-05T22:33:25Z", "ms": 960244405389.8009 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-06-05", "window": { "start": { "local": "2000-06-05T11:28:21+08:00", "utc": "2000-06-05T03:28:21Z", "ms": 960175701316.4331 }, "end": { "local": "2000-06-05T12:16:21+08:00", "utc": "2000-06-05T04:16:21Z", "ms": 960178581316.4331 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-06-06", "window": { "start": { "local": "2000-06-06T11:28:32+08:00", "utc": "2000-06-06T03:28:32Z", "ms": 960262111880.5869 }, "end": { "local": "2000-06-06T12:16:32+08:00", "utc": "2000-06-06T04:16:32Z", "ms": 960264991880.5869 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:40 on Mon 5 Jun to 06:33 on Tue 6 Jun.", "fact": "2000-06-05T01:39:55Z → 2000-06-05T22:33:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 5th, 11:29–12:17 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6506 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ningbo, 2000: Monday 5 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": "2000-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-06-05", "confidence": "determinate" } ], "quote": "In Ningbo, Vināyaka Caturthī 2000 falls on Monday 5 June. Caturthī runs from 09:40 on Mon 5 Jun to 06:33 on Tue 6 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-06-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27403, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2000-06-07T03:52:00+08:00", "utc": "2000-06-06T19:52:00Z", "ms": 960321119926.0594 }, "end": { "local": "2000-06-08T01:41:03+08:00", "utc": "2000-06-07T17:41:03Z", "ms": 960399663233.6122 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2000-06-07T03:52:00+08:00", "utc": "2000-06-06T19:52:00Z", "ms": 960321119926.0594 }, "end": { "local": "2000-06-08T01:41:03+08:00", "utc": "2000-06-07T17:41:03Z", "ms": 960399663233.6122 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-06-07", "window": { "start": { "local": "2000-06-07T11:28:43+08:00", "utc": "2000-06-07T03:28:43Z", "ms": 960348522724.1296 }, "end": { "local": "2000-06-07T12:16:43+08:00", "utc": "2000-06-07T04:16:43Z", "ms": 960351402724.1296 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-06-08", "window": { "start": { "local": "2000-06-08T11:28:54+08:00", "utc": "2000-06-08T03:28:54Z", "ms": 960434933825.095 }, "end": { "local": "2000-06-08T12:16:54+08:00", "utc": "2000-06-08T04:16:54Z", "ms": 960437813825.095 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:52 on Wed 7 Jun to 01:41 on Thu 8 Jun.", "fact": "2000-06-06T19:52:00Z → 2000-06-07T17:41:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 7th, 11:29–12:17 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27403 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Ningbo, 2000: Wednesday 7 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": "2000-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-06-07", "confidence": "determinate" } ], "quote": "In Ningbo, Araṇya Gaurī Vrata 2000 falls on Wednesday 7 June. Ṣaṣṭhī runs from 03:52 on Wed 7 Jun to 01:41 on Thu 8 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27403, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2000-06-07T03:52:00+08:00", "utc": "2000-06-06T19:52:00Z", "ms": 960321119926.0594 }, "end": { "local": "2000-06-08T01:41:03+08:00", "utc": "2000-06-07T17:41:03Z", "ms": 960399663233.6122 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2000-06-07T03:52:00+08:00", "utc": "2000-06-06T19:52:00Z", "ms": 960321119926.0594 }, "end": { "local": "2000-06-08T01:41:03+08:00", "utc": "2000-06-07T17:41:03Z", "ms": 960399663233.6122 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-06-07", "window": { "start": { "local": "2000-06-07T11:28:43+08:00", "utc": "2000-06-07T03:28:43Z", "ms": 960348522724.1296 }, "end": { "local": "2000-06-07T12:16:43+08:00", "utc": "2000-06-07T04:16:43Z", "ms": 960351402724.1296 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-06-08", "window": { "start": { "local": "2000-06-08T11:28:54+08:00", "utc": "2000-06-08T03:28:54Z", "ms": 960434933825.095 }, "end": { "local": "2000-06-08T12:16:54+08:00", "utc": "2000-06-08T04:16:54Z", "ms": 960437813825.095 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:52 on Wed 7 Jun to 01:41 on Thu 8 Jun.", "fact": "2000-06-06T19:52:00Z → 2000-06-07T17:41:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 7th, 11:29–12:17 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27403 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Ningbo, 2000: Wednesday 7 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": "2000-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-06-07", "confidence": "determinate" } ], "quote": "In Ningbo, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2000 falls on Wednesday 7 June. Ṣaṣṭhī runs from 03:52 on Wed 7 Jun to 01:41 on Thu 8 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-06-12", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19422, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-06-11T22:47:36+08:00", "utc": "2000-06-11T14:47:36Z", "ms": 960734856295.6185 }, "end": { "local": "2000-06-12T23:28:59+08:00", "utc": "2000-06-12T15:28:59Z", "ms": 960823738616.0564 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2000-06-11T22:47:36+08:00", "utc": "2000-06-11T14:47:36Z", "ms": 960734856295.6185 }, "end": { "local": "2000-06-12T23:28:59+08:00", "utc": "2000-06-12T15:28:59Z", "ms": 960823738616.0564 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-06-12", "window": { "start": { "local": "2000-06-12T04:52:38+08:00", "utc": "2000-06-11T20:52:38Z", "ms": 960756758399.6278 }, "end": { "local": "2000-06-12T04:52:38+08:00", "utc": "2000-06-11T20:52:38Z", "ms": 960756758399.6278 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-06-13", "window": { "start": { "local": "2000-06-13T04:52:41+08:00", "utc": "2000-06-12T20:52:41Z", "ms": 960843160566.0461 }, "end": { "local": "2000-06-13T04:52:41+08:00", "utc": "2000-06-12T20:52:41Z", "ms": 960843160566.0461 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:48 on Sun 11 Jun to 23:29 on Mon 12 Jun.", "fact": "2000-06-11T14:47:36Z → 2000-06-12T15:28:59Z" }, { "step": "kaala", "text": "Sunrise is at 04:53 on the 12th and 04:53 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19422 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Ningbo, 2000: Monday 12 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": "2000-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-06-12", "confidence": "determinate" } ], "quote": "In Ningbo, Nirjalā Ekādaśī 2000 falls on Monday 12 June. Ekādaśī runs from 22:48 on Sun 11 Jun to 23:29 on Mon 12 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-06-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39053, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2000-06-12T23:28:59+08:00", "utc": "2000-06-12T15:28:59Z", "ms": 960823738616.0564 }, "end": { "local": "2000-06-14T00:39:12+08:00", "utc": "2000-06-13T16:39:12Z", "ms": 960914351593.342 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2000-06-12T23:28:59+08:00", "utc": "2000-06-12T15:28:59Z", "ms": 960823738616.0564 }, "end": { "local": "2000-06-14T00:39:12+08:00", "utc": "2000-06-13T16:39:12Z", "ms": 960914351593.342 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-06-13", "window": { "start": { "local": "2000-06-13T11:29:52+08:00", "utc": "2000-06-13T03:29:52Z", "ms": 960866992477.583 }, "end": { "local": "2000-06-13T12:17:52+08:00", "utc": "2000-06-13T04:17:52Z", "ms": 960869872477.583 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-06-14", "window": { "start": { "local": "2000-06-14T11:30:05+08:00", "utc": "2000-06-14T03:30:05Z", "ms": 960953404700.6802 }, "end": { "local": "2000-06-14T12:18:05+08:00", "utc": "2000-06-14T04:18:05Z", "ms": 960956284700.6802 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:29 on Mon 12 Jun to 00:39 on Wed 14 Jun.", "fact": "2000-06-12T15:28:59Z → 2000-06-13T16:39:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 13th, 11:30–12:18 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 39053 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Ningbo, 2000: Tuesday 13 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": "2000-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-06-13", "confidence": "determinate" } ], "quote": "In Ningbo, Śrī Rāma Dvādaśī 2000 falls on Tuesday 13 June. Dvādaśī runs from 23:29 on Mon 12 Jun to 00:39 on Wed 14 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/pradosha-vrata?on=2000-06-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15866, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-06-14T00:39:12+08:00", "utc": "2000-06-13T16:39:12Z", "ms": 960914351593.342 }, "end": { "local": "2000-06-15T02:14:49+08:00", "utc": "2000-06-14T18:14:49Z", "ms": 961006488522.3499 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2000-06-14T00:39:12+08:00", "utc": "2000-06-13T16:39:12Z", "ms": 960914351593.342 }, "end": { "local": "2000-06-15T02:14:49+08:00", "utc": "2000-06-14T18:14:49Z", "ms": 961006488522.3499 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-06-13", "window": { "start": { "local": "2000-06-13T18:55:04+08:00", "utc": "2000-06-13T10:55:04Z", "ms": 960893704389.1198 }, "end": { "local": "2000-06-13T20:14:46+08:00", "utc": "2000-06-13T12:14:46Z", "ms": 960898485675.419 } }, "covered_min": 0, "window_min": 80, "qualifies": false }, { "local_date": "2000-06-14", "window": { "start": { "local": "2000-06-14T18:55:25+08:00", "utc": "2000-06-14T10:55:25Z", "ms": 960980125364.9963 }, "end": { "local": "2000-06-14T20:15:04+08:00", "utc": "2000-06-14T12:15:04Z", "ms": 960984904489.2598 } }, "covered_min": 80, "window_min": 80, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:39 on Wed 14 Jun to 02:15 on Thu 15 Jun.", "fact": "2000-06-13T16:39:12Z → 2000-06-14T18:14:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:15 on the 13th, 18:55–20:15 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 80 minutes on the 13th and 80 of 80 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15866 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ningbo, 2000: Wednesday 14 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-06-14", "confidence": "determinate" } ], "quote": "In Ningbo, Śukla Pradoṣa Vrata 2000 falls on Wednesday 14 June. Trayodaśī runs from 00:39 on Wed 14 Jun to 02:15 on Thu 15 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28605, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-06-16T04:12:08+08:00", "utc": "2000-06-15T20:12:08Z", "ms": 961099927920.1147 }, "end": { "local": "2000-06-17T06:27:03+08:00", "utc": "2000-06-16T22:27:03Z", "ms": 961194422626.8538 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2000-06-16T04:12:08+08:00", "utc": "2000-06-15T20:12:08Z", "ms": 961099927920.1147 }, "end": { "local": "2000-06-17T06:27:03+08:00", "utc": "2000-06-16T22:27:03Z", "ms": 961194422626.8538 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-06-15", "window": { "start": { "local": "2000-06-15T18:55:45+08:00", "utc": "2000-06-15T10:55:45Z", "ms": 961066545288.8865 }, "end": { "local": "2000-06-15T20:15:23+08:00", "utc": "2000-06-15T12:15:23Z", "ms": 961071322561.4799 } }, "covered_min": 0, "window_min": 80, "qualifies": false }, { "local_date": "2000-06-16", "window": { "start": { "local": "2000-06-16T18:56:04+08:00", "utc": "2000-06-16T10:56:04Z", "ms": 961152964136.504 }, "end": { "local": "2000-06-16T20:15:40+08:00", "utc": "2000-06-16T12:15:40Z", "ms": 961157739868.9694 } }, "covered_min": 80, "window_min": 80, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:12 on Fri 16 Jun to 06:27 on Sat 17 Jun.", "fact": "2000-06-15T20:12:08Z → 2000-06-16T22:27:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:15 on the 15th, 18:56–20:16 on the 16th.", "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 80 minutes on the 15th and 80 of 80 on the 16th.", "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 28605 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Ningbo, 2000: Friday 16 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": "2000-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-06-16", "confidence": "determinate" } ], "quote": "In Ningbo, Vaṭa Sāvitrī Vrata 2000 falls on Friday 16 June. Pūrṇimā runs from 04:12 on Fri 16 Jun to 06:27 on Sat 17 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/sankashta-chaturthi?on=2000-06-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20900, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-06-20T14:01:31+08:00", "utc": "2000-06-20T06:01:31Z", "ms": 961480890992.2014 }, "end": { "local": "2000-06-21T16:23:58+08:00", "utc": "2000-06-21T08:23:58Z", "ms": 961575838222.093 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-06-20T14:01:31+08:00", "utc": "2000-06-20T06:01:31Z", "ms": 961480890992.2014 }, "end": { "local": "2000-06-21T16:23:58+08:00", "utc": "2000-06-21T08:23:58Z", "ms": 961575838222.093 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-06-20", "window": { "start": { "local": "2000-06-20T21:32:41+08:00", "utc": "2000-06-20T13:32:41Z", "ms": 961507960912.8232 }, "end": { "local": "2000-06-20T21:32:41+08:00", "utc": "2000-06-20T13:32:41Z", "ms": 961507960912.8232 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-06-21", "window": { "start": { "local": "2000-06-21T22:12:19+08:00", "utc": "2000-06-21T14:12:19Z", "ms": 961596738521.3756 }, "end": { "local": "2000-06-21T22:12:19+08:00", "utc": "2000-06-21T14:12:19Z", "ms": 961596738521.3756 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:02 on Tue 20 Jun to 16:24 on Wed 21 Jun.", "fact": "2000-06-20T06:01:31Z → 2000-06-21T08:23:58Z" }, { "step": "kaala", "text": "Moonrise is at 21:33 on the 20th and 22:12 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20900 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ningbo, 2000: Tuesday 20 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": "2000-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-06-20", "confidence": "determinate" } ], "quote": "In Ningbo, Saṅkaṣṭa Caturthī 2000 falls on Tuesday 20 June. Caturthī runs from 14:02 on Tue 20 Jun to 16:24 on Wed 21 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/sankashta-chaturthi?on=2000-06-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/ekadashi?on=2000-06-28", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36237, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-06-27T18:51:43+08:00", "utc": "2000-06-27T10:51:43Z", "ms": 962103103089.7502 }, "end": { "local": "2000-06-28T16:42:02+08:00", "utc": "2000-06-28T08:42:02Z", "ms": 962181721749.222 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-06-27T18:51:43+08:00", "utc": "2000-06-27T10:51:43Z", "ms": 962103103089.7502 }, "end": { "local": "2000-06-28T16:42:02+08:00", "utc": "2000-06-28T08:42:02Z", "ms": 962181721749.222 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-06-28", "window": { "start": { "local": "2000-06-28T04:55:40+08:00", "utc": "2000-06-27T20:55:40Z", "ms": 962139340131.9863 }, "end": { "local": "2000-06-28T04:55:40+08:00", "utc": "2000-06-27T20:55:40Z", "ms": 962139340131.9863 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-06-29", "window": { "start": { "local": "2000-06-29T04:56:01+08:00", "utc": "2000-06-28T20:56:01Z", "ms": 962225760963.7286 }, "end": { "local": "2000-06-29T04:56:01+08:00", "utc": "2000-06-28T20:56:01Z", "ms": 962225760963.7286 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:52 on Tue 27 Jun to 16:42 on Wed 28 Jun.", "fact": "2000-06-27T10:51:43Z → 2000-06-28T08:42:02Z" }, { "step": "kaala", "text": "Sunrise is at 04:56 on the 28th and 04:56 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36237 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Ningbo, 2000: Wednesday 28 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-06-28", "confidence": "determinate" } ], "quote": "In Ningbo, Yoginī Ekādaśī 2000 falls on Wednesday 28 June. Ekādaśī runs from 18:52 on Tue 27 Jun to 16:42 on Wed 28 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-06-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-06-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18170, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-06-29T13:55:32+08:00", "utc": "2000-06-29T05:55:32Z", "ms": 962258131506.2109 }, "end": { "local": "2000-06-30T10:40:11+08:00", "utc": "2000-06-30T02:40:11Z", "ms": 962332811478.787 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-06-29T13:55:32+08:00", "utc": "2000-06-29T05:55:32Z", "ms": 962258131506.2109 }, "end": { "local": "2000-06-30T10:40:11+08:00", "utc": "2000-06-30T02:40:11Z", "ms": 962332811478.787 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-06-29", "window": { "start": { "local": "2000-06-29T18:58:21+08:00", "utc": "2000-06-29T10:58:21Z", "ms": 962276301242.8071 }, "end": { "local": "2000-06-29T20:18:05+08:00", "utc": "2000-06-29T12:18:05Z", "ms": 962281085443.9767 } }, "covered_min": 80, "window_min": 80, "qualifies": true }, { "local_date": "2000-06-30", "window": { "start": { "local": "2000-06-30T18:58:23+08:00", "utc": "2000-06-30T10:58:23Z", "ms": 962362702794.5808 }, "end": { "local": "2000-06-30T20:18:10+08:00", "utc": "2000-06-30T12:18:10Z", "ms": 962367489816.7399 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:56 on Thu 29 Jun to 10:40 on Fri 30 Jun.", "fact": "2000-06-29T05:55:32Z → 2000-06-30T02:40:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:18 on the 29th, 18:58–20:18 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 80 of 80 minutes on the 29th and 0 of 80 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18170 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ningbo, 2000: Thursday 29 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": "2000-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-06-29", "confidence": "determinate" } ], "quote": "In Ningbo, Kṛṣṇa Pradoṣa Vrata 2000 falls on Thursday 29 June. Trayodaśī runs from 13:56 on Thu 29 Jun to 10:40 on Fri 30 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-06-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shivaratri?on=2000-06-30", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24212, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-06-30T10:40:11+08:00", "utc": "2000-06-30T02:40:11Z", "ms": 962332811478.787 }, "end": { "local": "2000-07-01T07:05:06+08:00", "utc": "2000-06-30T23:05:06Z", "ms": 962406306325.9199 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-06-30T10:40:11+08:00", "utc": "2000-06-30T02:40:11Z", "ms": 962332811478.787 }, "end": { "local": "2000-07-01T07:05:06+08:00", "utc": "2000-06-30T23:05:06Z", "ms": 962406306325.9199 } }, "kaala": "nishita", "days": [ { "local_date": "2000-06-29", "window": { "start": { "local": "2000-06-29T23:33:22+08:00", "utc": "2000-06-29T15:33:22Z", "ms": 962292801997.1929 }, "end": { "local": "2000-06-30T00:21:22+08:00", "utc": "2000-06-29T16:21:22Z", "ms": 962295681997.1929 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-06-30", "window": { "start": { "local": "2000-06-30T23:33:34+08:00", "utc": "2000-06-30T15:33:34Z", "ms": 962379214127.6772 }, "end": { "local": "2000-07-01T00:21:34+08:00", "utc": "2000-06-30T16:21:34Z", "ms": 962382094127.6772 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:40 on Fri 30 Jun to 07:05 on Sat 1 Jul.", "fact": "2000-06-30T02:40:11Z → 2000-06-30T23:05:06Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:33–00:21 on the 29th, 23:34–00:22 on the 30th.", "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 29th and 48 of 48 on the 30th.", "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 24212 s" }, { "step": "ruling", "text": "Śivarātri, Ningbo, 2000: Friday 30 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-06-30", "confidence": "determinate" } ], "quote": "In Ningbo, Śivarātri 2000 falls on Friday 30 June. Caturdaśī runs from 10:40 on Fri 30 Jun to 07:05 on Sat 1 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/shivaratri?on=2000-06-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27383, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2000-07-02T23:34:26+08:00", "utc": "2000-07-02T15:34:26Z", "ms": 962552066036.3901 }, "end": { "local": "2000-07-03T19:58:19+08:00", "utc": "2000-07-03T11:58:19Z", "ms": 962625498866.2059 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-07-02T23:34:26+08:00", "utc": "2000-07-02T15:34:26Z", "ms": 962552066036.3901 }, "end": { "local": "2000-07-03T19:58:19+08:00", "utc": "2000-07-03T11:58:19Z", "ms": 962625498866.2059 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-07-02", "window": { "start": { "local": "2000-07-02T11:33:45+08:00", "utc": "2000-07-02T03:33:45Z", "ms": 962508825400.851 }, "end": { "local": "2000-07-02T12:21:45+08:00", "utc": "2000-07-02T04:21:45Z", "ms": 962511705400.851 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-07-03", "window": { "start": { "local": "2000-07-03T11:33:56+08:00", "utc": "2000-07-03T03:33:56Z", "ms": 962595236303.9177 }, "end": { "local": "2000-07-03T12:21:56+08:00", "utc": "2000-07-03T04:21:56Z", "ms": 962598116303.9177 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 23:34 on Sun 2 Jul to 19:58 on Mon 3 Jul.", "fact": "2000-07-02T15:34:26Z → 2000-07-03T11:58:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 2nd, 11:34–12:22 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27383 s" }, { "step": "ruling", "text": "Rathayātrā, Ningbo, 2000: Monday 3 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": "2000-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-03", "confidence": "determinate" } ], "quote": "In Ningbo, Rathayātrā 2000 falls on Monday 3 July. Dvitīyā runs from 23:34 on Sun 2 Jul to 19:58 on Mon 3 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-07-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5269, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-07-04T16:40:45+08:00", "utc": "2000-07-04T08:40:45Z", "ms": 962700044601.9644 }, "end": { "local": "2000-07-05T13:50:07+08:00", "utc": "2000-07-05T05:50:07Z", "ms": 962776206520.8795 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-07-04T16:40:45+08:00", "utc": "2000-07-04T08:40:45Z", "ms": 962700044601.9644 }, "end": { "local": "2000-07-05T13:50:07+08:00", "utc": "2000-07-05T05:50:07Z", "ms": 962776206520.8795 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-07-04", "window": { "start": { "local": "2000-07-04T11:34:07+08:00", "utc": "2000-07-04T03:34:07Z", "ms": 962681646897.4586 }, "end": { "local": "2000-07-04T12:22:07+08:00", "utc": "2000-07-04T04:22:07Z", "ms": 962684526897.4586 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-07-05", "window": { "start": { "local": "2000-07-05T11:34:17+08:00", "utc": "2000-07-05T03:34:17Z", "ms": 962768057156.1084 }, "end": { "local": "2000-07-05T12:22:17+08:00", "utc": "2000-07-05T04:22:17Z", "ms": 962770937156.1084 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:41 on Tue 4 Jul to 13:50 on Wed 5 Jul.", "fact": "2000-07-04T08:40:45Z → 2000-07-05T05:50:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 4th, 11:34–12:22 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5269 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ningbo, 2000: Wednesday 5 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": "2000-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-05", "confidence": "determinate" } ], "quote": "In Ningbo, Vināyaka Caturthī 2000 falls on Wednesday 5 July. Caturthī runs from 16:41 on Tue 4 Jul to 13:50 on Wed 5 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-07-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-06", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 51, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2000-07-05T13:50:07+08:00", "utc": "2000-07-05T05:50:07Z", "ms": 962776206520.8795 }, "end": { "local": "2000-07-06T11:33:36+08:00", "utc": "2000-07-06T03:33:36Z", "ms": 962854416322.4257 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-07-05T13:50:07+08:00", "utc": "2000-07-05T05:50:07Z", "ms": 962776206520.8795 }, "end": { "local": "2000-07-06T11:33:36+08:00", "utc": "2000-07-06T03:33:36Z", "ms": 962854416322.4257 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-07-05", "window": { "start": { "local": "2000-07-05T11:34:17+08:00", "utc": "2000-07-05T03:34:17Z", "ms": 962768057156.1084 }, "end": { "local": "2000-07-05T12:22:17+08:00", "utc": "2000-07-05T04:22:17Z", "ms": 962770937156.1084 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-07-06", "window": { "start": { "local": "2000-07-06T11:34:27+08:00", "utc": "2000-07-06T03:34:27Z", "ms": 962854467056.5836 }, "end": { "local": "2000-07-06T12:22:27+08:00", "utc": "2000-07-06T04:22:27Z", "ms": 962857347056.5836 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:50 on Wed 5 Jul to 11:34 on Thu 6 Jul.", "fact": "2000-07-05T05:50:07Z → 2000-07-06T03:33:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 5th, 11:34–12:22 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 51 s < 300 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Ningbo, 2000: Thursday 6 July.", "fact": "confidence: boundary (margin)" } ], "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": "2000-07-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-06", "confidence": "determinate" } ], "quote": "In Ningbo, Skanda Pañcamī 2000 falls on Thursday 6 July. Pañcamī runs from 13:50 on Wed 5 Jul to 11:34 on Thu 6 Jul, and reaches madhyāhna on neither day. It is 0 min 51 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5870, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2000-07-07T09:56:47+08:00", "utc": "2000-07-07T01:56:47Z", "ms": 962935006863.4521 }, "end": { "local": "2000-07-08T09:03:04+08:00", "utc": "2000-07-08T01:03:04Z", "ms": 963018184165.3049 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-07-07T09:56:47+08:00", "utc": "2000-07-07T01:56:47Z", "ms": 962935006863.4521 }, "end": { "local": "2000-07-08T09:03:04+08:00", "utc": "2000-07-08T01:03:04Z", "ms": 963018184165.3049 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-07-07", "window": { "start": { "local": "2000-07-07T11:34:37+08:00", "utc": "2000-07-07T03:34:37Z", "ms": 962940876577.6841 }, "end": { "local": "2000-07-07T12:22:37+08:00", "utc": "2000-07-07T04:22:37Z", "ms": 962943756577.6841 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-07-08", "window": { "start": { "local": "2000-07-08T11:34:46+08:00", "utc": "2000-07-08T03:34:46Z", "ms": 963027285700.1536 }, "end": { "local": "2000-07-08T12:22:46+08:00", "utc": "2000-07-08T04:22:46Z", "ms": 963030165700.1536 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 09:57 on Fri 7 Jul to 09:03 on Sat 8 Jul.", "fact": "2000-07-07T01:56:47Z → 2000-07-08T01:03:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 7th, 11:35–12:23 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5870 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Ningbo, 2000: Friday 7 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": "2000-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-07", "confidence": "determinate" } ], "quote": "In Ningbo, Vivasvat Saptamī 2000 falls on Friday 7 July. Saptamī runs from 09:57 on Fri 7 Jul to 09:03 on Sat 8 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-07-12", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20137, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-07-11T10:36:52+08:00", "utc": "2000-07-11T02:36:52Z", "ms": 963283012337.2424 }, "end": { "local": "2000-07-12T12:19:33+08:00", "utc": "2000-07-12T04:19:33Z", "ms": 963375572796.1793 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-07-11T10:36:52+08:00", "utc": "2000-07-11T02:36:52Z", "ms": 963283012337.2424 }, "end": { "local": "2000-07-12T12:19:33+08:00", "utc": "2000-07-12T04:19:33Z", "ms": 963375572796.1793 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-07-11", "window": { "start": { "local": "2000-07-11T05:01:15+08:00", "utc": "2000-07-10T21:01:15Z", "ms": 963262875266.304 }, "end": { "local": "2000-07-11T05:01:15+08:00", "utc": "2000-07-10T21:01:15Z", "ms": 963262875266.304 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-07-12", "window": { "start": { "local": "2000-07-12T05:01:46+08:00", "utc": "2000-07-11T21:01:46Z", "ms": 963349305774.1432 }, "end": { "local": "2000-07-12T05:01:46+08:00", "utc": "2000-07-11T21:01:46Z", "ms": 963349305774.1432 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:37 on Tue 11 Jul to 12:20 on Wed 12 Jul.", "fact": "2000-07-11T02:36:52Z → 2000-07-12T04:19:33Z" }, { "step": "kaala", "text": "Sunrise is at 05:01 on the 11th and 05:02 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 20137 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Ningbo, 2000: Wednesday 12 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-12", "confidence": "determinate" } ], "quote": "In Ningbo, Hariśayanī Ekādaśī 2000 falls on Wednesday 12 July. Ekādaśī runs from 10:37 on Tue 11 Jul to 12:20 on Wed 12 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-07-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-07-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7569, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-07-13T14:26:37+08:00", "utc": "2000-07-13T06:26:37Z", "ms": 963469596762.5121 }, "end": { "local": "2000-07-14T16:50:05+08:00", "utc": "2000-07-14T08:50:05Z", "ms": 963564604942.0133 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-07-13T14:26:37+08:00", "utc": "2000-07-13T06:26:37Z", "ms": 963469596762.5121 }, "end": { "local": "2000-07-14T16:50:05+08:00", "utc": "2000-07-14T08:50:05Z", "ms": 963564604942.0133 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-07-13", "window": { "start": { "local": "2000-07-13T18:56:33+08:00", "utc": "2000-07-13T10:56:33Z", "ms": 963485792734.1095 }, "end": { "local": "2000-07-13T20:17:23+08:00", "utc": "2000-07-13T12:17:23Z", "ms": 963490642811.323 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "2000-07-14", "window": { "start": { "local": "2000-07-14T18:56:14+08:00", "utc": "2000-07-14T10:56:14Z", "ms": 963572174036.5435 }, "end": { "local": "2000-07-14T20:17:11+08:00", "utc": "2000-07-14T12:17:11Z", "ms": 963577030870.0409 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:27 on Thu 13 Jul to 16:50 on Fri 14 Jul.", "fact": "2000-07-13T06:26:37Z → 2000-07-14T08:50:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:17 on the 13th, 18:56–20:17 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 81 of 81 minutes on the 13th and 0 of 81 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7569 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ningbo, 2000: Thursday 13 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": "2000-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-13", "confidence": "determinate" } ], "quote": "In Ningbo, Śukla Pradoṣa Vrata 2000 falls on Thursday 13 July. Trayodaśī runs from 14:27 on Thu 13 Jul to 16:50 on Fri 14 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-07-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25753, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-07-15T19:22:05+08:00", "utc": "2000-07-15T11:22:05Z", "ms": 963660125302.9535 }, "end": { "local": "2000-07-16T21:55:13+08:00", "utc": "2000-07-16T13:55:13Z", "ms": 963755712961.9635 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-07-15T19:22:05+08:00", "utc": "2000-07-15T11:22:05Z", "ms": 963660125302.9535 }, "end": { "local": "2000-07-16T21:55:13+08:00", "utc": "2000-07-16T13:55:13Z", "ms": 963755712961.9635 } }, "kaala": "udaya-3", "days": [ { "local_date": "2000-07-16", "window": { "start": { "local": "2000-07-16T05:03:53+08:00", "utc": "2000-07-15T21:03:53Z", "ms": 963695032695.7235 }, "end": { "local": "2000-07-16T07:50:13+08:00", "utc": "2000-07-15T23:50:13Z", "ms": 963705012615.4069 } }, "covered_min": 166, "window_min": 166, "qualifies": true }, { "local_date": "2000-07-17", "window": { "start": { "local": "2000-07-17T05:04:26+08:00", "utc": "2000-07-16T21:04:26Z", "ms": 963781465510.4498 }, "end": { "local": "2000-07-17T07:50:34+08:00", "utc": "2000-07-16T23:50:34Z", "ms": 963791434261.5585 } }, "covered_min": 0, "window_min": 166, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:22 on Sat 15 Jul to 21:55 on Sun 16 Jul.", "fact": "2000-07-15T11:22:05Z → 2000-07-16T13:55:13Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:04–07:50 on the 16th, 05:04–07:51 on the 17th.", "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 166 of 166 minutes on the 16th and 0 of 166 on the 17th.", "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 25753 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Ningbo, 2000: Sunday 16 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": "2000-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-16", "confidence": "determinate" } ], "quote": "In Ningbo, Vyāsa Pūjā 2000 falls on Sunday 16 July. Pūrṇimā runs from 19:22 on Sat 15 Jul to 21:55 on Sun 16 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25108, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-07-15T19:22:05+08:00", "utc": "2000-07-15T11:22:05Z", "ms": 963660125302.9535 }, "end": { "local": "2000-07-16T21:55:13+08:00", "utc": "2000-07-16T13:55:13Z", "ms": 963755712961.9635 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-07-15T19:22:05+08:00", "utc": "2000-07-15T11:22:05Z", "ms": 963660125302.9535 }, "end": { "local": "2000-07-16T21:55:13+08:00", "utc": "2000-07-16T13:55:13Z", "ms": 963755712961.9635 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-07-15", "window": { "start": { "local": "2000-07-15T11:35:37+08:00", "utc": "2000-07-15T03:35:37Z", "ms": 963632137087.5266 }, "end": { "local": "2000-07-15T12:23:37+08:00", "utc": "2000-07-15T04:23:37Z", "ms": 963635017087.5266 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-07-16", "window": { "start": { "local": "2000-07-16T11:35:42+08:00", "utc": "2000-07-16T03:35:42Z", "ms": 963718542494.9319 }, "end": { "local": "2000-07-16T12:23:42+08:00", "utc": "2000-07-16T04:23:42Z", "ms": 963721422494.9319 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:22 on Sat 15 Jul to 21:55 on Sun 16 Jul.", "fact": "2000-07-15T11:22:05Z → 2000-07-16T13:55:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 15th, 11:36–12:24 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25108 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Ningbo, 2000: Sunday 16 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": "2000-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-16", "confidence": "determinate" } ], "quote": "In Ningbo, Guru Pūrṇimā 2000 falls on Sunday 16 July. Pūrṇimā runs from 19:22 on Sat 15 Jul to 21:55 on Sun 16 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1571, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-07-15T19:22:05+08:00", "utc": "2000-07-15T11:22:05Z", "ms": 963660125302.9535 }, "end": { "local": "2000-07-16T21:55:13+08:00", "utc": "2000-07-16T13:55:13Z", "ms": 963755712961.9635 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-07-15T19:22:05+08:00", "utc": "2000-07-15T11:22:05Z", "ms": 963660125302.9535 }, "end": { "local": "2000-07-16T21:55:13+08:00", "utc": "2000-07-16T13:55:13Z", "ms": 963755712961.9635 } }, "kaala": "sayahna", "days": [ { "local_date": "2000-07-15", "window": { "start": { "local": "2000-07-15T16:09:23+08:00", "utc": "2000-07-15T08:09:23Z", "ms": 963648563167.3778 }, "end": { "local": "2000-07-15T18:55:54+08:00", "utc": "2000-07-15T10:55:54Z", "ms": 963658553887.2786 } }, "covered_min": 0, "window_min": 167, "qualifies": false }, { "local_date": "2000-07-16", "window": { "start": { "local": "2000-07-16T16:09:12+08:00", "utc": "2000-07-16T08:09:12Z", "ms": 963734952374.457 }, "end": { "local": "2000-07-16T18:55:32+08:00", "utc": "2000-07-16T10:55:32Z", "ms": 963744932294.1404 } }, "covered_min": 166, "window_min": 166, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:22 on Sat 15 Jul to 21:55 on Sun 16 Jul.", "fact": "2000-07-15T11:22:05Z → 2000-07-16T13:55:13Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:09–18:56 on the 15th, 16:09–18:56 on the 16th.", "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 167 minutes on the 15th and 166 of 166 on the 16th.", "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 1571 s" }, { "step": "ruling", "text": "Kokilā Vrata, Ningbo, 2000: Sunday 16 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": "2000-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-16", "confidence": "determinate" } ], "quote": "In Ningbo, Kokilā Vrata 2000 falls on Sunday 16 July. Pūrṇimā runs from 19:22 on Sat 15 Jul to 21:55 on Sun 16 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-16", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1571, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-07-15T19:22:05+08:00", "utc": "2000-07-15T11:22:05Z", "ms": 963660125302.9535 }, "end": { "local": "2000-07-16T21:55:13+08:00", "utc": "2000-07-16T13:55:13Z", "ms": 963755712961.9635 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2000-07-15T19:22:05+08:00", "utc": "2000-07-15T11:22:05Z", "ms": 963660125302.9535 }, "end": { "local": "2000-07-16T21:55:13+08:00", "utc": "2000-07-16T13:55:13Z", "ms": 963755712961.9635 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-07-15", "window": { "start": { "local": "2000-07-15T18:55:54+08:00", "utc": "2000-07-15T10:55:54Z", "ms": 963658553887.2786 }, "end": { "local": "2000-07-15T20:16:58+08:00", "utc": "2000-07-15T12:16:58Z", "ms": 963663417728.4045 } }, "covered_min": 55, "window_min": 81, "qualifies": true }, { "local_date": "2000-07-16", "window": { "start": { "local": "2000-07-16T18:55:32+08:00", "utc": "2000-07-16T10:55:32Z", "ms": 963744932294.1404 }, "end": { "local": "2000-07-16T20:16:43+08:00", "utc": "2000-07-16T12:16:43Z", "ms": 963749803389.6483 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:22 on Sat 15 Jul to 21:55 on Sun 16 Jul.", "fact": "2000-07-15T11:22:05Z → 2000-07-16T13:55:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:17 on the 15th, 18:56–20:17 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 55 of 81 minutes on the 15th and 81 of 81 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "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 1571 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Ningbo, 2000: Sunday 16 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-07-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-16", "confidence": "boundary" } ], "quote": "In Ningbo, Śiva Śayanotsava 2000 falls on Sunday 16 July. Pūrṇimā runs from 19:22 on Sat 15 Jul to 21:55 on Sun 16 Jul and covers all of pradoṣa that evening. It also reaches the previous evening for 55 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/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17447, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2000-07-18T00:22:33+08:00", "utc": "2000-07-17T16:22:33Z", "ms": 963850953336.1254 }, "end": { "local": "2000-07-19T02:37:35+08:00", "utc": "2000-07-18T18:37:35Z", "ms": 963945455034.8872 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2000-07-18T00:22:33+08:00", "utc": "2000-07-17T16:22:33Z", "ms": 963850953336.1254 }, "end": { "local": "2000-07-19T02:37:35+08:00", "utc": "2000-07-18T18:37:35Z", "ms": 963945455034.8872 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-07-17", "window": { "start": { "local": "2000-07-17T19:31:47+08:00", "utc": "2000-07-17T11:31:47Z", "ms": 963833506795.773 }, "end": { "local": "2000-07-17T19:31:47+08:00", "utc": "2000-07-17T11:31:47Z", "ms": 963833506795.773 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-07-18", "window": { "start": { "local": "2000-07-18T20:12:35+08:00", "utc": "2000-07-18T12:12:35Z", "ms": 963922354960.8972 }, "end": { "local": "2000-07-18T20:12:35+08:00", "utc": "2000-07-18T12:12:35Z", "ms": 963922354960.8972 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 00:23 on Tue 18 Jul to 02:38 on Wed 19 Jul.", "fact": "2000-07-17T16:22:33Z → 2000-07-18T18:37:35Z" }, { "step": "kaala", "text": "Moonrise is at 19:32 on the 17th and 20:13 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17447 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Ningbo, 2000: Tuesday 18 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": "2000-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-18", "confidence": "determinate" } ], "quote": "In Ningbo, Aśūnya Śayana Vrata (Āṣāḍha) 2000 falls on Tuesday 18 July. Dvitīyā runs from 00:23 on Tue 18 Jul to 02:38 on Wed 19 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/sankashta-chaturthi?on=2000-07-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27821, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-07-20T04:34:02+08:00", "utc": "2000-07-19T20:34:02Z", "ms": 964038841864.6241 }, "end": { "local": "2000-07-21T06:05:53+08:00", "utc": "2000-07-20T22:05:53Z", "ms": 964130752504.9661 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2000-07-20T04:34:02+08:00", "utc": "2000-07-19T20:34:02Z", "ms": 964038841864.6241 }, "end": { "local": "2000-07-21T06:05:53+08:00", "utc": "2000-07-20T22:05:53Z", "ms": 964130752504.9661 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-07-19", "window": { "start": { "local": "2000-07-19T20:50:21+08:00", "utc": "2000-07-19T12:50:21Z", "ms": 964011020864.3751 }, "end": { "local": "2000-07-19T20:50:21+08:00", "utc": "2000-07-19T12:50:21Z", "ms": 964011020864.3751 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-07-20", "window": { "start": { "local": "2000-07-20T21:25:43+08:00", "utc": "2000-07-20T13:25:43Z", "ms": 964099543248.173 }, "end": { "local": "2000-07-20T21:25:43+08:00", "utc": "2000-07-20T13:25:43Z", "ms": 964099543248.173 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:34 on Thu 20 Jul to 06:06 on Fri 21 Jul.", "fact": "2000-07-19T20:34:02Z → 2000-07-20T22:05:53Z" }, { "step": "kaala", "text": "Moonrise is at 20:50 on the 19th and 21:26 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27821 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ningbo, 2000: Thursday 20 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": "2000-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-20", "confidence": "determinate" } ], "quote": "In Ningbo, Saṅkaṣṭa Caturthī 2000 falls on Thursday 20 July. Caturthī runs from 04:34 on Thu 20 Jul to 06:06 on Fri 21 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/sankashta-chaturthi?on=2000-07-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/ekadashi?on=2000-07-27", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8263, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-07-27T02:52:28+08:00", "utc": "2000-07-26T18:52:28Z", "ms": 964637548007.1771 }, "end": { "local": "2000-07-28T00:12:03+08:00", "utc": "2000-07-27T16:12:03Z", "ms": 964714323494.0367 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2000-07-27T02:52:28+08:00", "utc": "2000-07-26T18:52:28Z", "ms": 964637548007.1771 }, "end": { "local": "2000-07-28T00:12:03+08:00", "utc": "2000-07-27T16:12:03Z", "ms": 964714323494.0367 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-07-27", "window": { "start": { "local": "2000-07-27T05:10:11+08:00", "utc": "2000-07-26T21:10:11Z", "ms": 964645810600.7222 }, "end": { "local": "2000-07-27T05:10:11+08:00", "utc": "2000-07-26T21:10:11Z", "ms": 964645810600.7222 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-07-28", "window": { "start": { "local": "2000-07-28T05:10:46+08:00", "utc": "2000-07-27T21:10:46Z", "ms": 964732246285.121 }, "end": { "local": "2000-07-28T05:10:46+08:00", "utc": "2000-07-27T21:10:46Z", "ms": 964732246285.121 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:52 on Thu 27 Jul to 00:12 on Fri 28 Jul.", "fact": "2000-07-26T18:52:28Z → 2000-07-27T16:12:03Z" }, { "step": "kaala", "text": "Sunrise is at 05:10 on the 27th and 05:11 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 8263 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Ningbo, 2000: Thursday 27 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": "2000-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-27", "confidence": "determinate" } ], "quote": "In Ningbo, Kāmikā Ekādaśī 2000 falls on Thursday 27 July. Ekādaśī runs from 02:52 on Thu 27 Jul to 00:12 on Fri 28 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-07-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-07-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-28", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3175, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-07-28T21:05:15+08:00", "utc": "2000-07-28T13:05:15Z", "ms": 964789515274.9904 }, "end": { "local": "2000-07-29T17:39:28+08:00", "utc": "2000-07-29T09:39:28Z", "ms": 964863568089.307 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2000-07-28T21:05:15+08:00", "utc": "2000-07-28T13:05:15Z", "ms": 964789515274.9904 }, "end": { "local": "2000-07-29T17:39:28+08:00", "utc": "2000-07-29T09:39:28Z", "ms": 964863568089.307 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-07-28", "window": { "start": { "local": "2000-07-28T18:49:25+08:00", "utc": "2000-07-28T10:49:25Z", "ms": 964781364549.7491 }, "end": { "local": "2000-07-28T20:12:20+08:00", "utc": "2000-07-28T12:12:20Z", "ms": 964786340221.4037 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2000-07-29", "window": { "start": { "local": "2000-07-29T18:48:45+08:00", "utc": "2000-07-29T10:48:45Z", "ms": 964867725245.1381 }, "end": { "local": "2000-07-29T20:11:51+08:00", "utc": "2000-07-29T12:11:51Z", "ms": 964872710943.2368 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:05 on Fri 28 Jul to 17:39 on Sat 29 Jul.", "fact": "2000-07-28T13:05:15Z → 2000-07-29T09:39:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:12 on the 28th, 18:49–20:12 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 83 minutes on the 28th and 0 of 83 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 3175 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ningbo, 2000: Friday 28 July.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-07-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-28", "confidence": "boundary" } ], "quote": "In Ningbo, Kṛṣṇa Pradoṣa Vrata 2000 falls on Friday 28 July. Trayodaśī runs from 21:05 on Fri 28 Jul to 17:39 on Sat 29 Jul, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-07-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shivaratri?on=2000-07-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21414, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-07-29T17:39:28+08:00", "utc": "2000-07-29T09:39:28Z", "ms": 964863568089.307 }, "end": { "local": "2000-07-30T14:03:05+08:00", "utc": "2000-07-30T06:03:05Z", "ms": 964936984920.7494 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2000-07-29T17:39:28+08:00", "utc": "2000-07-29T09:39:28Z", "ms": 964863568089.307 }, "end": { "local": "2000-07-30T14:03:05+08:00", "utc": "2000-07-30T06:03:05Z", "ms": 964936984920.7494 } }, "kaala": "nishita", "days": [ { "local_date": "2000-07-29", "window": { "start": { "local": "2000-07-29T23:36:22+08:00", "utc": "2000-07-29T15:36:22Z", "ms": 964884981613.0085 }, "end": { "local": "2000-07-30T00:24:22+08:00", "utc": "2000-07-29T16:24:22Z", "ms": 964887861613.0085 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-07-30", "window": { "start": { "local": "2000-07-30T23:36:19+08:00", "utc": "2000-07-30T15:36:19Z", "ms": 964971379305.344 }, "end": { "local": "2000-07-31T00:24:19+08:00", "utc": "2000-07-30T16:24:19Z", "ms": 964974259305.344 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:39 on Sat 29 Jul to 14:03 on Sun 30 Jul.", "fact": "2000-07-29T09:39:28Z → 2000-07-30T06:03:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:36–00:24 on the 29th, 23:36–00:24 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21414 s" }, { "step": "ruling", "text": "Śivarātri, Ningbo, 2000: Saturday 29 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": "2000-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-07-29", "confidence": "determinate" } ], "quote": "In Ningbo, Śivarātri 2000 falls on Saturday 29 July. Caturdaśī runs from 17:39 on Sat 29 Jul to 14:03 on Sun 30 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/shivaratri?on=2000-07-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28405, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2000-08-02T03:42:26+08:00", "utc": "2000-08-01T19:42:26Z", "ms": 965158946032.0033 }, "end": { "local": "2000-08-03T00:56:23+08:00", "utc": "2000-08-02T16:56:23Z", "ms": 965235383311.1238 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2000-08-02T03:42:26+08:00", "utc": "2000-08-01T19:42:26Z", "ms": 965158946032.0033 }, "end": { "local": "2000-08-03T00:56:23+08:00", "utc": "2000-08-02T16:56:23Z", "ms": 965235383311.1238 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-08-02", "window": { "start": { "local": "2000-08-02T11:35:51+08:00", "utc": "2000-08-02T03:35:51Z", "ms": 965187350702.908 }, "end": { "local": "2000-08-02T12:23:51+08:00", "utc": "2000-08-02T04:23:51Z", "ms": 965190230702.908 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-08-03", "window": { "start": { "local": "2000-08-03T11:35:46+08:00", "utc": "2000-08-03T03:35:46Z", "ms": 965273745943.873 }, "end": { "local": "2000-08-03T12:23:46+08:00", "utc": "2000-08-03T04:23:46Z", "ms": 965276625943.873 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 03:42 on Wed 2 Aug to 00:56 on Thu 3 Aug.", "fact": "2000-08-01T19:42:26Z → 2000-08-02T16:56:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 2nd, 11:36–12:24 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28405 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Ningbo, 2000: Wednesday 2 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": "2000-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-02", "confidence": "determinate" } ], "quote": "In Ningbo, Madhusravā Tṛtīyā (Hariyali Teej) 2000 falls on Wednesday 2 August. Tṛtīyā runs from 03:42 on Wed 2 Aug to 00:56 on Thu 3 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-08-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37297, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-08-03T00:56:23+08:00", "utc": "2000-08-02T16:56:23Z", "ms": 965235383311.1238 }, "end": { "local": "2000-08-03T22:45:23+08:00", "utc": "2000-08-03T14:45:23Z", "ms": 965313923281.0796 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2000-08-03T00:56:23+08:00", "utc": "2000-08-02T16:56:23Z", "ms": 965235383311.1238 }, "end": { "local": "2000-08-03T22:45:23+08:00", "utc": "2000-08-03T14:45:23Z", "ms": 965313923281.0796 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-08-02", "window": { "start": { "local": "2000-08-02T11:35:51+08:00", "utc": "2000-08-02T03:35:51Z", "ms": 965187350702.908 }, "end": { "local": "2000-08-02T12:23:51+08:00", "utc": "2000-08-02T04:23:51Z", "ms": 965190230702.908 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-08-03", "window": { "start": { "local": "2000-08-03T11:35:46+08:00", "utc": "2000-08-03T03:35:46Z", "ms": 965273745943.873 }, "end": { "local": "2000-08-03T12:23:46+08:00", "utc": "2000-08-03T04:23:46Z", "ms": 965276625943.873 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:56 on Thu 3 Aug to 22:45 on Thu 3 Aug.", "fact": "2000-08-02T16:56:23Z → 2000-08-03T14:45:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 2nd, 11:36–12:24 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37297 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ningbo, 2000: Thursday 3 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": "2000-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-03", "confidence": "determinate" } ], "quote": "In Ningbo, Vināyaka Caturthī 2000 falls on Thursday 3 August. Caturthī runs from 00:56 on Thu 3 Aug to 22:45 on Thu 3 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-08-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31965, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2000-08-03T22:45:23+08:00", "utc": "2000-08-03T14:45:23Z", "ms": 965313923281.0796 }, "end": { "local": "2000-08-04T21:16:26+08:00", "utc": "2000-08-04T13:16:26Z", "ms": 965394985583.5063 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2000-08-03T22:45:23+08:00", "utc": "2000-08-03T14:45:23Z", "ms": 965313923281.0796 }, "end": { "local": "2000-08-04T21:16:26+08:00", "utc": "2000-08-04T13:16:26Z", "ms": 965394985583.5063 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-08-03", "window": { "start": { "local": "2000-08-03T11:35:46+08:00", "utc": "2000-08-03T03:35:46Z", "ms": 965273745943.873 }, "end": { "local": "2000-08-03T12:23:46+08:00", "utc": "2000-08-03T04:23:46Z", "ms": 965276625943.873 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-08-04", "window": { "start": { "local": "2000-08-04T11:35:41+08:00", "utc": "2000-08-04T03:35:41Z", "ms": 965360140571.1332 }, "end": { "local": "2000-08-04T12:23:41+08:00", "utc": "2000-08-04T04:23:41Z", "ms": 965363020571.1332 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:45 on Thu 3 Aug to 21:16 on Fri 4 Aug.", "fact": "2000-08-03T14:45:23Z → 2000-08-04T13:16:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 3rd, 11:36–12:24 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31965 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Ningbo, 2000: Friday 4 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": "2000-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-04", "confidence": "determinate" } ], "quote": "In Ningbo, Nāga Pañcamī 2000 falls on Friday 4 August. Pañcamī runs from 22:45 on Thu 3 Aug to 21:16 on Fri 4 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-08-10", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5962, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-08-10T01:13:26+08:00", "utc": "2000-08-09T17:13:26Z", "ms": 965841205808.1057 }, "end": { "local": "2000-08-11T03:39:46+08:00", "utc": "2000-08-10T19:39:46Z", "ms": 965936386134.3588 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2000-08-10T01:13:26+08:00", "utc": "2000-08-09T17:13:26Z", "ms": 965841205808.1057 }, "end": { "local": "2000-08-11T03:39:46+08:00", "utc": "2000-08-10T19:39:46Z", "ms": 965936386134.3588 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-08-10", "window": { "start": { "local": "2000-08-10T05:18:32+08:00", "utc": "2000-08-09T21:18:32Z", "ms": 965855912358.8962 }, "end": { "local": "2000-08-10T05:18:32+08:00", "utc": "2000-08-09T21:18:32Z", "ms": 965855912358.8962 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-08-11", "window": { "start": { "local": "2000-08-11T05:19:08+08:00", "utc": "2000-08-10T21:19:08Z", "ms": 965942347739.3574 }, "end": { "local": "2000-08-11T05:19:08+08:00", "utc": "2000-08-10T21:19:08Z", "ms": 965942347739.3574 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:13 on Thu 10 Aug to 03:40 on Fri 11 Aug.", "fact": "2000-08-09T17:13:26Z → 2000-08-10T19:39:46Z" }, { "step": "kaala", "text": "Sunrise is at 05:19 on the 10th and 05:19 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 5962 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Ningbo, 2000: Thursday 10 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": "2000-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-10", "confidence": "determinate" } ], "quote": "In Ningbo, Putradā Ekādaśī 2000 falls on Thursday 10 August. Ekādaśī runs from 01:13 on Thu 10 Aug to 03:40 on Fri 11 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-08-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19186, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2000-08-11T03:39:46+08:00", "utc": "2000-08-10T19:39:46Z", "ms": 965936386134.3588 }, "end": { "local": "2000-08-12T06:14:49+08:00", "utc": "2000-08-11T22:14:49Z", "ms": 966032089427.8915 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2000-08-11T03:39:46+08:00", "utc": "2000-08-10T19:39:46Z", "ms": 965936386134.3588 }, "end": { "local": "2000-08-12T06:14:49+08:00", "utc": "2000-08-11T22:14:49Z", "ms": 966032089427.8915 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-08-11", "window": { "start": { "local": "2000-08-11T11:34:46+08:00", "utc": "2000-08-11T03:34:46Z", "ms": 965964886003.8423 }, "end": { "local": "2000-08-11T12:22:46+08:00", "utc": "2000-08-11T04:22:46Z", "ms": 965967766003.8423 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-08-12", "window": { "start": { "local": "2000-08-12T11:34:36+08:00", "utc": "2000-08-12T03:34:36Z", "ms": 966051275860.0391 }, "end": { "local": "2000-08-12T12:22:36+08:00", "utc": "2000-08-12T04:22:36Z", "ms": 966054155860.0391 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:40 on Fri 11 Aug to 06:15 on Sat 12 Aug.", "fact": "2000-08-10T19:39:46Z → 2000-08-11T22:14:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 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": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19186 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Ningbo, 2000: Friday 11 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": "2000-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-11", "confidence": "determinate" } ], "quote": "In Ningbo, Dāmodara Dvādaśī 2000 falls on Friday 11 August. Dvādaśī runs from 03:40 on Fri 11 Aug to 06:15 on Sat 12 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/pradosha-vrata?on=2000-08-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35335, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-08-12T06:14:49+08:00", "utc": "2000-08-11T22:14:49Z", "ms": 966032089427.8915 }, "end": { "local": "2000-08-13T08:47:37+08:00", "utc": "2000-08-13T00:47:37Z", "ms": 966127657222.4646 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2000-08-12T06:14:49+08:00", "utc": "2000-08-11T22:14:49Z", "ms": 966032089427.8915 }, "end": { "local": "2000-08-13T08:47:37+08:00", "utc": "2000-08-13T00:47:37Z", "ms": 966127657222.4646 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-08-12", "window": { "start": { "local": "2000-08-12T18:37:29+08:00", "utc": "2000-08-12T10:37:29Z", "ms": 966076648724.4332 }, "end": { "local": "2000-08-12T20:03:11+08:00", "utc": "2000-08-12T12:03:11Z", "ms": 966081791310.8345 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2000-08-13", "window": { "start": { "local": "2000-08-13T18:36:32+08:00", "utc": "2000-08-13T10:36:32Z", "ms": 966162992189.3589 }, "end": { "local": "2000-08-13T20:02:27+08:00", "utc": "2000-08-13T12:02:27Z", "ms": 966168146979.5465 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:15 on Sat 12 Aug to 08:48 on Sun 13 Aug.", "fact": "2000-08-11T22:14:49Z → 2000-08-13T00:47:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:03 on the 12th, 18:37–20:02 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 86 of 86 minutes on the 12th and 0 of 86 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 35335 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ningbo, 2000: Saturday 12 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": "2000-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-12", "confidence": "determinate" } ], "quote": "In Ningbo, Śukla Pradoṣa Vrata 2000 falls on Saturday 12 August. Trayodaśī runs from 06:15 on Sat 12 Aug to 08:48 on Sun 13 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-08-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-14", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1507, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-08-14T11:09:07+08:00", "utc": "2000-08-14T03:09:07Z", "ms": 966222547149.2439 }, "end": { "local": "2000-08-15T13:12:38+08:00", "utc": "2000-08-15T05:12:38Z", "ms": 966316358363.6775 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2000-08-14T11:09:07+08:00", "utc": "2000-08-14T03:09:07Z", "ms": 966222547149.2439 }, "end": { "local": "2000-08-15T13:12:38+08:00", "utc": "2000-08-15T05:12:38Z", "ms": 966316358363.6775 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-08-14", "window": { "start": { "local": "2000-08-14T11:34:14+08:00", "utc": "2000-08-14T03:34:14Z", "ms": 966224053902.6794 }, "end": { "local": "2000-08-14T12:22:14+08:00", "utc": "2000-08-14T04:22:14Z", "ms": 966226933902.6794 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-08-15", "window": { "start": { "local": "2000-08-15T11:34:02+08:00", "utc": "2000-08-15T03:34:02Z", "ms": 966310442112.4392 }, "end": { "local": "2000-08-15T12:22:02+08:00", "utc": "2000-08-15T04:22:02Z", "ms": 966313322112.4392 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:09 on Mon 14 Aug to 13:13 on Tue 15 Aug.", "fact": "2000-08-14T03:09:07Z → 2000-08-15T05:12:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 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": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1507 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Ningbo, 2000: Monday 14 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2000-08-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-15", "confidence": "boundary" } ], "quote": "In Ningbo, Ṛṣi Tarpaṇa 2000 falls on Monday 14 August. Pūrṇimā runs from 11:09 on Mon 14 Aug to 13:13 on Tue 15 Aug and covers all of madhyāhna that midday. It also reaches the next midday 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/ningbo/festivals/2000/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": "/ningbo/festivals/2000/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-15", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 18481, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-08-14T11:09:07+08:00", "utc": "2000-08-14T03:09:07Z", "ms": 966222547149.2439 }, "end": { "local": "2000-08-15T13:12:38+08:00", "utc": "2000-08-15T05:12:38Z", "ms": 966316358363.6775 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2000-08-15T00:13:27+08:00", "utc": "2000-08-14T16:13:27Z", "ms": 966269607161.7893 }, "end": { "local": "2000-08-15T13:12:38+08:00", "utc": "2000-08-15T05:12:38Z", "ms": 966316358363.6775 } }, "kaala": "day", "days": [ { "local_date": "2000-08-14", "window": { "start": { "local": "2000-08-14T05:20:53+08:00", "utc": "2000-08-13T21:20:53Z", "ms": 966201653115.7665 }, "end": { "local": "2000-08-15T05:21:28+08:00", "utc": "2000-08-14T21:21:28Z", "ms": 966288087972.9235 } }, "covered_min": 308, "window_min": 1441, "qualifies": true }, { "local_date": "2000-08-15", "window": { "start": { "local": "2000-08-15T05:21:28+08:00", "utc": "2000-08-14T21:21:28Z", "ms": 966288087972.9235 }, "end": { "local": "2000-08-16T05:22:03+08:00", "utc": "2000-08-15T21:22:03Z", "ms": 966374522692.4498 } }, "covered_min": 471, "window_min": 1441, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:09 on Mon 14 Aug to 13:13 on Tue 15 Aug. Its second half begins at 00:13 on Tue 15 Aug.", "fact": "2000-08-14T03:09:07Z → 2000-08-15T05:12:38Z · second half from 2000-08-14T16:13:27Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:21 on the 14th, and from 05:21 on the 15th.", "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 308 of 1441 minutes on the 14th and 471 of 1441 on the 15th.", "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 18481 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Ningbo, 2000: Tuesday 15 August.", "fact": "confidence: boundary (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": "2000-08-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-15", "confidence": "boundary" } ], "quote": "In Ningbo, Rakṣā Bandhana (Rakhi) 2000 falls on Tuesday 15 August. The second half of Pūrṇimā runs from 00:13 on Tue 15 Aug to 13:13 on Tue 15 Aug and falls on two days: 471 minutes of it on the 15th, 308 on the 14th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13914, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2000-08-16T14:53:43+08:00", "utc": "2000-08-16T06:53:43Z", "ms": 966408823477.9504 }, "end": { "local": "2000-08-17T16:09:40+08:00", "utc": "2000-08-17T08:09:40Z", "ms": 966499779601.7139 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-08-16T14:53:43+08:00", "utc": "2000-08-16T06:53:43Z", "ms": 966408823477.9504 }, "end": { "local": "2000-08-17T16:09:40+08:00", "utc": "2000-08-17T08:09:40Z", "ms": 966499779601.7139 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-08-16", "window": { "start": { "local": "2000-08-16T19:27:08+08:00", "utc": "2000-08-16T11:27:08Z", "ms": 966425228089.6074 }, "end": { "local": "2000-08-16T19:27:08+08:00", "utc": "2000-08-16T11:27:08Z", "ms": 966425228089.6074 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-08-17", "window": { "start": { "local": "2000-08-17T20:01:34+08:00", "utc": "2000-08-17T12:01:34Z", "ms": 966513693844.5022 }, "end": { "local": "2000-08-17T20:01:34+08:00", "utc": "2000-08-17T12:01:34Z", "ms": 966513693844.5022 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 14:54 on Wed 16 Aug to 16:10 on Thu 17 Aug.", "fact": "2000-08-16T06:53:43Z → 2000-08-17T08:09:40Z" }, { "step": "kaala", "text": "Moonrise is at 19:27 on the 16th and 20:02 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13914 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Ningbo, 2000: Wednesday 16 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": "2000-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-16", "confidence": "determinate" } ], "quote": "In Ningbo, Aśūnya Śayana Vrata 2000 falls on Wednesday 16 August. Dvitīyā runs from 14:54 on Wed 16 Aug to 16:10 on Thu 17 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13683, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2000-08-17T16:09:40+08:00", "utc": "2000-08-17T08:09:40Z", "ms": 966499779601.7139 }, "end": { "local": "2000-08-18T16:58:53+08:00", "utc": "2000-08-18T08:58:53Z", "ms": 966589132592.8215 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-08-17T16:09:40+08:00", "utc": "2000-08-17T08:09:40Z", "ms": 966499779601.7139 }, "end": { "local": "2000-08-18T16:58:53+08:00", "utc": "2000-08-18T08:58:53Z", "ms": 966589132592.8215 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-08-17", "window": { "start": { "local": "2000-08-17T11:33:37+08:00", "utc": "2000-08-17T03:33:37Z", "ms": 966483216972.792 }, "end": { "local": "2000-08-17T12:21:37+08:00", "utc": "2000-08-17T04:21:37Z", "ms": 966486096972.792 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-08-18", "window": { "start": { "local": "2000-08-18T11:33:24+08:00", "utc": "2000-08-18T03:33:24Z", "ms": 966569603650.8778 }, "end": { "local": "2000-08-18T12:21:24+08:00", "utc": "2000-08-18T04:21:24Z", "ms": 966572483650.8778 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:10 on Thu 17 Aug to 16:59 on Fri 18 Aug.", "fact": "2000-08-17T08:09:40Z → 2000-08-18T08:58:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 17th, 11:33–12:21 on the 18th.", "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 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13683 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Ningbo, 2000: Friday 18 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": "2000-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-18", "confidence": "determinate" } ], "quote": "In Ningbo, Kajjalī Tṛtīyā (Kajari Teej) 2000 falls on Friday 18 August. Tṛtīyā runs from 16:10 on Thu 17 Aug to 16:59 on Fri 18 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3898, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-08-18T16:58:53+08:00", "utc": "2000-08-18T08:58:53Z", "ms": 966589132592.8215 }, "end": { "local": "2000-08-19T17:20:26+08:00", "utc": "2000-08-19T09:20:26Z", "ms": 966676825758.2616 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-08-18T16:58:53+08:00", "utc": "2000-08-18T08:58:53Z", "ms": 966589132592.8215 }, "end": { "local": "2000-08-19T17:20:26+08:00", "utc": "2000-08-19T09:20:26Z", "ms": 966676825758.2616 } }, "kaala": "sayahna", "days": [ { "local_date": "2000-08-18", "window": { "start": { "local": "2000-08-18T15:53:55+08:00", "utc": "2000-08-18T07:53:55Z", "ms": 966585234810.3965 }, "end": { "local": "2000-08-18T18:31:36+08:00", "utc": "2000-08-18T10:31:36Z", "ms": 966594695583.4089 } }, "covered_min": 93, "window_min": 158, "qualifies": true }, { "local_date": "2000-08-19", "window": { "start": { "local": "2000-08-19T15:53:12+08:00", "utc": "2000-08-19T07:53:12Z", "ms": 966671592138.5524 }, "end": { "local": "2000-08-19T18:30:34+08:00", "utc": "2000-08-19T10:30:34Z", "ms": 966681033666.4475 } }, "covered_min": 87, "window_min": 157, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:59 on Fri 18 Aug to 17:20 on Sat 19 Aug.", "fact": "2000-08-18T08:58:53Z → 2000-08-19T09:20:26Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:54–18:32 on the 18th, 15:53–18:31 on the 19th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 93 of 158 minutes on the 18th and 87 of 157 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both late afternoons qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 3898 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Ningbo, 2000: Friday 18 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": "2000-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-18", "confidence": "determinate" } ], "quote": "In Ningbo, Bahulā Caturthī 2000 falls on Friday 18 August. Caturthī runs from 16:59 on Fri 18 Aug to 17:20 on Sat 19 Aug and covers 93 of 158 minutes of sāyāhna that late afternoon. It also reaches the next late afternoon for 87 minutes; by the rule the first late afternoon is taken.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/sankashta-chaturthi?on=2000-08-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12967, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-08-18T16:58:53+08:00", "utc": "2000-08-18T08:58:53Z", "ms": 966589132592.8215 }, "end": { "local": "2000-08-19T17:20:26+08:00", "utc": "2000-08-19T09:20:26Z", "ms": 966676825758.2616 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-08-18T16:58:53+08:00", "utc": "2000-08-18T08:58:53Z", "ms": 966589132592.8215 }, "end": { "local": "2000-08-19T17:20:26+08:00", "utc": "2000-08-19T09:20:26Z", "ms": 966676825758.2616 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-08-18", "window": { "start": { "local": "2000-08-18T20:35:00+08:00", "utc": "2000-08-18T12:35:00Z", "ms": 966602099990.1091 }, "end": { "local": "2000-08-18T20:35:00+08:00", "utc": "2000-08-18T12:35:00Z", "ms": 966602099990.1091 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-08-19", "window": { "start": { "local": "2000-08-19T21:08:27+08:00", "utc": "2000-08-19T13:08:27Z", "ms": 966690506633.4108 }, "end": { "local": "2000-08-19T21:08:27+08:00", "utc": "2000-08-19T13:08:27Z", "ms": 966690506633.4108 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:59 on Fri 18 Aug to 17:20 on Sat 19 Aug.", "fact": "2000-08-18T08:58:53Z → 2000-08-19T09:20:26Z" }, { "step": "kaala", "text": "Moonrise is at 20:35 on the 18th and 21:08 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12967 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ningbo, 2000: Friday 18 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": "2000-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-18", "confidence": "determinate" } ], "quote": "In Ningbo, Saṅkaṣṭa Caturthī 2000 falls on Friday 18 August. Caturthī runs from 16:59 on Fri 18 Aug to 17:20 on Sat 19 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/sankashta-chaturthi?on=2000-08-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15447, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2000-08-20T17:13:40+08:00", "utc": "2000-08-20T09:13:40Z", "ms": 966762819919.713 }, "end": { "local": "2000-08-21T16:38:07+08:00", "utc": "2000-08-21T08:38:07Z", "ms": 966847087471.9413 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-08-20T17:13:40+08:00", "utc": "2000-08-20T09:13:40Z", "ms": 966762819919.713 }, "end": { "local": "2000-08-21T16:38:07+08:00", "utc": "2000-08-21T08:38:07Z", "ms": 966847087471.9413 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-08-20", "window": { "start": { "local": "2000-08-20T11:32:56+08:00", "utc": "2000-08-20T03:32:56Z", "ms": 966742375575.0461 }, "end": { "local": "2000-08-20T12:20:56+08:00", "utc": "2000-08-20T04:20:56Z", "ms": 966745255575.0461 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-08-21", "window": { "start": { "local": "2000-08-21T11:32:41+08:00", "utc": "2000-08-21T03:32:41Z", "ms": 966828760850.7742 }, "end": { "local": "2000-08-21T12:20:41+08:00", "utc": "2000-08-21T04:20:41Z", "ms": 966831640850.7742 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:14 on Sun 20 Aug to 16:38 on Mon 21 Aug.", "fact": "2000-08-20T09:13:40Z → 2000-08-21T08:38:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 20th, 11:33–12:21 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15447 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Ningbo, 2000: Monday 21 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": "2000-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-21", "confidence": "determinate" } ], "quote": "In Ningbo, Hala Ṣaṣṭhī 2000 falls on Monday 21 August. Ṣaṣṭhī runs from 17:14 on Sun 20 Aug to 16:38 on Mon 21 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28743, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2000-08-22T15:33:39+08:00", "utc": "2000-08-22T07:33:39Z", "ms": 966929619296.2681 }, "end": { "local": "2000-08-23T14:00:40+08:00", "utc": "2000-08-23T06:00:40Z", "ms": 967010440468.9113 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-08-22T15:33:39+08:00", "utc": "2000-08-22T07:33:39Z", "ms": 966929619296.2681 }, "end": { "local": "2000-08-23T14:00:40+08:00", "utc": "2000-08-23T06:00:40Z", "ms": 967010440468.9113 } }, "kaala": "nishita", "days": [ { "local_date": "2000-08-22", "window": { "start": { "local": "2000-08-22T23:32:43+08:00", "utc": "2000-08-22T15:32:43Z", "ms": 966958362584.1028 }, "end": { "local": "2000-08-23T00:20:43+08:00", "utc": "2000-08-22T16:20:43Z", "ms": 966961242584.1028 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-08-23", "window": { "start": { "local": "2000-08-23T23:32:27+08:00", "utc": "2000-08-23T15:32:27Z", "ms": 967044746937.2664 }, "end": { "local": "2000-08-24T00:20:27+08:00", "utc": "2000-08-23T16:20:27Z", "ms": 967047626937.2664 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 15:34 on Tue 22 Aug to 14:01 on Wed 23 Aug.", "fact": "2000-08-22T07:33:39Z → 2000-08-23T06:00:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:33–00:21 on the 22nd, 23:32–00:20 on the 23rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28743 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Ningbo, 2000: Tuesday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-22", "confidence": "determinate" } ], "quote": "In Ningbo, Janmāṣṭamī 2000 falls on Tuesday 22 August. Aṣṭamī runs from 15:34 on Tue 22 Aug to 14:01 on Wed 23 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11594, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2000-08-21T16:38:07+08:00", "utc": "2000-08-21T08:38:07Z", "ms": 966847087471.9413 }, "end": { "local": "2000-08-22T15:33:39+08:00", "utc": "2000-08-22T07:33:39Z", "ms": 966929619296.2681 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-08-21T16:38:07+08:00", "utc": "2000-08-21T08:38:07Z", "ms": 966847087471.9413 }, "end": { "local": "2000-08-22T15:33:39+08:00", "utc": "2000-08-22T07:33:39Z", "ms": 966929619296.2681 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-08-21", "window": { "start": { "local": "2000-08-21T11:32:41+08:00", "utc": "2000-08-21T03:32:41Z", "ms": 966828760850.7742 }, "end": { "local": "2000-08-21T12:20:41+08:00", "utc": "2000-08-21T04:20:41Z", "ms": 966831640850.7742 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-08-22", "window": { "start": { "local": "2000-08-22T11:32:26+08:00", "utc": "2000-08-22T03:32:26Z", "ms": 966915145688.7251 }, "end": { "local": "2000-08-22T12:20:26+08:00", "utc": "2000-08-22T04:20:26Z", "ms": 966918025688.7251 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:38 on Mon 21 Aug to 15:34 on Tue 22 Aug.", "fact": "2000-08-21T08:38:07Z → 2000-08-22T07:33:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 21st, 11:32–12:20 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11594 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Ningbo, 2000: Tuesday 22 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": "2000-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-22", "confidence": "determinate" } ], "quote": "In Ningbo, Śītalā Saptamī 2000 falls on Tuesday 22 August. Saptamī runs from 16:38 on Mon 21 Aug to 15:34 on Tue 22 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-08-26", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4918, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-08-25T09:35:33+08:00", "utc": "2000-08-25T01:35:33Z", "ms": 967167333117.2858 }, "end": { "local": "2000-08-26T06:49:40+08:00", "utc": "2000-08-25T22:49:40Z", "ms": 967243780440.3143 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-08-25T09:35:33+08:00", "utc": "2000-08-25T01:35:33Z", "ms": 967167333117.2858 }, "end": { "local": "2000-08-26T06:49:40+08:00", "utc": "2000-08-25T22:49:40Z", "ms": 967243780440.3143 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-08-25", "window": { "start": { "local": "2000-08-25T05:27:09+08:00", "utc": "2000-08-24T21:27:09Z", "ms": 967152429166.9005 }, "end": { "local": "2000-08-25T05:27:09+08:00", "utc": "2000-08-24T21:27:09Z", "ms": 967152429166.9005 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-08-26", "window": { "start": { "local": "2000-08-26T05:27:43+08:00", "utc": "2000-08-25T21:27:43Z", "ms": 967238862592.0598 }, "end": { "local": "2000-08-26T05:27:43+08:00", "utc": "2000-08-25T21:27:43Z", "ms": 967238862592.0598 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:36 on Fri 25 Aug to 06:50 on Sat 26 Aug.", "fact": "2000-08-25T01:35:33Z → 2000-08-25T22:49:40Z" }, { "step": "kaala", "text": "Sunrise is at 05:27 on the 25th and 05:28 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 4918 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Ningbo, 2000: Saturday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-26", "confidence": "determinate" } ], "quote": "In Ningbo, Ajā Ekādaśī 2000 falls on Saturday 26 August. Ekādaśī runs from 09:36 on Fri 25 Aug to 06:50 on Sat 26 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-08-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-08-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17182, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-08-27T03:48:02+08:00", "utc": "2000-08-26T19:48:02Z", "ms": 967319282439.2681 }, "end": { "local": "2000-08-28T00:37:10+08:00", "utc": "2000-08-27T16:37:10Z", "ms": 967394229818.2997 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-08-27T03:48:02+08:00", "utc": "2000-08-26T19:48:02Z", "ms": 967319282439.2681 }, "end": { "local": "2000-08-28T00:37:10+08:00", "utc": "2000-08-27T16:37:10Z", "ms": 967394229818.2997 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-08-26", "window": { "start": { "local": "2000-08-26T18:22:59+08:00", "utc": "2000-08-26T10:22:59Z", "ms": 967285379299.5243 }, "end": { "local": "2000-08-26T19:51:42+08:00", "utc": "2000-08-26T11:51:42Z", "ms": 967290701512.4227 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "2000-08-27", "window": { "start": { "local": "2000-08-27T18:21:52+08:00", "utc": "2000-08-27T10:21:52Z", "ms": 967371711705.7201 }, "end": { "local": "2000-08-27T19:50:47+08:00", "utc": "2000-08-27T11:50:47Z", "ms": 967377047355.4606 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:48 on Sun 27 Aug to 00:37 on Mon 28 Aug.", "fact": "2000-08-26T19:48:02Z → 2000-08-27T16:37:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–19:52 on the 26th, 18:22–19:51 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 89 minutes on the 26th and 89 of 89 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 17182 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ningbo, 2000: Sunday 27 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-27", "confidence": "determinate" } ], "quote": "In Ningbo, Kṛṣṇa Pradoṣa Vrata 2000 falls on Sunday 27 August. Trayodaśī runs from 03:48 on Sun 27 Aug to 00:37 on Mon 28 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-08-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shivaratri?on=2000-08-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-27", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1069, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-08-28T00:37:10+08:00", "utc": "2000-08-27T16:37:10Z", "ms": 967394229818.2997 }, "end": { "local": "2000-08-28T21:24:43+08:00", "utc": "2000-08-28T13:24:43Z", "ms": 967469082978.5426 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-08-28T00:37:10+08:00", "utc": "2000-08-27T16:37:10Z", "ms": 967394229818.2997 }, "end": { "local": "2000-08-28T21:24:43+08:00", "utc": "2000-08-28T13:24:43Z", "ms": 967469082978.5426 } }, "kaala": "nishita", "days": [ { "local_date": "2000-08-27", "window": { "start": { "local": "2000-08-27T23:31:20+08:00", "utc": "2000-08-27T15:31:20Z", "ms": 967390280392.2471 }, "end": { "local": "2000-08-28T00:19:20+08:00", "utc": "2000-08-27T16:19:20Z", "ms": 967393160392.2471 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-08-28", "window": { "start": { "local": "2000-08-28T23:31:03+08:00", "utc": "2000-08-28T15:31:03Z", "ms": 967476662825.4404 }, "end": { "local": "2000-08-29T00:19:03+08:00", "utc": "2000-08-28T16:19:03Z", "ms": 967479542825.4404 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:37 on Mon 28 Aug to 21:25 on Mon 28 Aug.", "fact": "2000-08-27T16:37:10Z → 2000-08-28T13:24:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:31–00:19 on the 27th, 23:31–00:19 on the 28th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1069 s" }, { "step": "ruling", "text": "Śivarātri, Ningbo, 2000: Sunday 27 August.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-08-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-27", "confidence": "boundary" } ], "quote": "In Ningbo, Śivarātri 2000 falls on Sunday 27 August. Caturdaśī runs from 00:37 on Mon 28 Aug to 21:25 on Mon 28 Aug, and reaches niśītha on neither day.", "cite": "https://ahargana.org/ningbo/festivals/2000/shivaratri?on=2000-08-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5690, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-08-28T00:37:10+08:00", "utc": "2000-08-27T16:37:10Z", "ms": 967394229818.2997 }, "end": { "local": "2000-08-28T21:24:43+08:00", "utc": "2000-08-28T13:24:43Z", "ms": 967469082978.5426 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-08-28T00:37:10+08:00", "utc": "2000-08-27T16:37:10Z", "ms": 967394229818.2997 }, "end": { "local": "2000-08-28T21:24:43+08:00", "utc": "2000-08-28T13:24:43Z", "ms": 967469082978.5426 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-08-27", "window": { "start": { "local": "2000-08-27T18:21:52+08:00", "utc": "2000-08-27T10:21:52Z", "ms": 967371711705.7201 }, "end": { "local": "2000-08-27T19:50:47+08:00", "utc": "2000-08-27T11:50:47Z", "ms": 967377047355.4606 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "2000-08-28", "window": { "start": { "local": "2000-08-28T18:20:44+08:00", "utc": "2000-08-28T10:20:44Z", "ms": 967458043512.2256 }, "end": { "local": "2000-08-28T19:49:53+08:00", "utc": "2000-08-28T11:49:53Z", "ms": 967463392662.4163 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:37 on Mon 28 Aug to 21:25 on Mon 28 Aug.", "fact": "2000-08-27T16:37:10Z → 2000-08-28T13:24:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–19:51 on the 27th, 18:21–19:50 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 0 of 89 minutes on the 27th and 89 of 89 on the 28th.", "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 5690 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Ningbo, 2000: Monday 28 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-28", "confidence": "determinate" } ], "quote": "In Ningbo, Aghora Caturdaśī 2000 falls on Monday 28 August. Caturdaśī runs from 00:37 on Mon 28 Aug to 21:25 on Mon 28 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11514, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2000-08-29T18:19:17+08:00", "utc": "2000-08-29T10:19:17Z", "ms": 967544357471.44 }, "end": { "local": "2000-08-30T15:30:04+08:00", "utc": "2000-08-30T07:30:04Z", "ms": 967620604256.9685 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-08-29T18:19:17+08:00", "utc": "2000-08-29T10:19:17Z", "ms": 967544357471.44 }, "end": { "local": "2000-08-30T15:30:04+08:00", "utc": "2000-08-30T07:30:04Z", "ms": 967620604256.9685 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-08-29", "window": { "start": { "local": "2000-08-29T11:30:28+08:00", "utc": "2000-08-29T03:30:28Z", "ms": 967519828439.7798 }, "end": { "local": "2000-08-29T12:18:28+08:00", "utc": "2000-08-29T04:18:28Z", "ms": 967522708439.7798 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-08-30", "window": { "start": { "local": "2000-08-30T11:30:10+08:00", "utc": "2000-08-30T03:30:10Z", "ms": 967606210244.396 }, "end": { "local": "2000-08-30T12:18:10+08:00", "utc": "2000-08-30T04:18:10Z", "ms": 967609090244.396 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:19 on Tue 29 Aug to 15:30 on Wed 30 Aug.", "fact": "2000-08-29T10:19:17Z → 2000-08-30T07:30:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 29th, 11:30–12:18 on the 30th.", "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 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11514 s" }, { "step": "ruling", "text": "Rudra Vrata, Ningbo, 2000: Wednesday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-08-30", "confidence": "determinate" } ], "quote": "In Ningbo, Rudra Vrata 2000 falls on Wednesday 30 August. Pratipadā runs from 18:19 on Tue 29 Aug to 15:30 on Wed 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 747, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-09-01T11:17:05+08:00", "utc": "2000-09-01T03:17:05Z", "ms": 967778225392.0033 }, "end": { "local": "2000-09-02T10:09:46+08:00", "utc": "2000-09-02T02:09:46Z", "ms": 967860586310.7142 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-09-01T11:17:05+08:00", "utc": "2000-09-01T03:17:05Z", "ms": 967778225392.0033 }, "end": { "local": "2000-09-02T10:09:46+08:00", "utc": "2000-09-02T02:09:46Z", "ms": 967860586310.7142 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-09-01", "window": { "start": { "local": "2000-09-01T11:29:33+08:00", "utc": "2000-09-01T03:29:33Z", "ms": 967778972880.4084 }, "end": { "local": "2000-09-01T12:17:33+08:00", "utc": "2000-09-01T04:17:33Z", "ms": 967781852880.4084 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-09-02", "window": { "start": { "local": "2000-09-02T11:29:14+08:00", "utc": "2000-09-02T03:29:14Z", "ms": 967865353737.5396 }, "end": { "local": "2000-09-02T12:17:14+08:00", "utc": "2000-09-02T04:17:14Z", "ms": 967868233737.5396 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:17 on Fri 1 Sep to 10:10 on Sat 2 Sep.", "fact": "2000-09-01T03:17:05Z → 2000-09-02T02:09:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 1st, 11:29–12:17 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 747 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Ningbo, 2000: Friday 1 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": "2000-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-01", "confidence": "determinate" } ], "quote": "In Ningbo, Gaṇeśa Caturthī 2000 falls on Friday 1 September. Caturthī runs from 11:17 on Fri 1 Sep to 10:10 on Sat 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 747, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2000-08-31T13:06:23+08:00", "utc": "2000-08-31T05:06:23Z", "ms": 967698382978.149 }, "end": { "local": "2000-09-01T11:17:05+08:00", "utc": "2000-09-01T03:17:05Z", "ms": 967778225392.0033 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-08-31T13:06:23+08:00", "utc": "2000-08-31T05:06:23Z", "ms": 967698382978.149 }, "end": { "local": "2000-09-01T11:17:05+08:00", "utc": "2000-09-01T03:17:05Z", "ms": 967778225392.0033 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-08-31", "window": { "start": { "local": "2000-08-31T11:29:52+08:00", "utc": "2000-08-31T03:29:52Z", "ms": 967692591720.5288 }, "end": { "local": "2000-08-31T12:17:52+08:00", "utc": "2000-08-31T04:17:52Z", "ms": 967695471720.5288 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-09-01", "window": { "start": { "local": "2000-09-01T11:29:33+08:00", "utc": "2000-09-01T03:29:33Z", "ms": 967778972880.4084 }, "end": { "local": "2000-09-01T12:17:33+08:00", "utc": "2000-09-01T04:17:33Z", "ms": 967781852880.4084 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:06 on Thu 31 Aug to 11:17 on Fri 1 Sep.", "fact": "2000-08-31T05:06:23Z → 2000-09-01T03:17:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 31st, 11:30–12:18 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 0 of 48 on the 1st.", "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: paraviddha → second-day · margin 747 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Ningbo, 2000: Friday 1 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": "2000-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-01", "confidence": "boundary" } ], "quote": "In Ningbo, Haritālikā Vrata (Hartalika Teej) 2000 falls on Friday 1 September. Tṛtīyā runs from 13:06 on Thu 31 Aug to 11:17 on Fri 1 Sep, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4767, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2000-09-02T10:09:46+08:00", "utc": "2000-09-02T02:09:46Z", "ms": 967860586310.7142 }, "end": { "local": "2000-09-03T09:49:42+08:00", "utc": "2000-09-03T01:49:42Z", "ms": 967945782110.0985 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-09-02T10:09:46+08:00", "utc": "2000-09-02T02:09:46Z", "ms": 967860586310.7142 }, "end": { "local": "2000-09-03T09:49:42+08:00", "utc": "2000-09-03T01:49:42Z", "ms": 967945782110.0985 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-09-02", "window": { "start": { "local": "2000-09-02T11:29:14+08:00", "utc": "2000-09-02T03:29:14Z", "ms": 967865353737.5396 }, "end": { "local": "2000-09-02T12:17:14+08:00", "utc": "2000-09-02T04:17:14Z", "ms": 967868233737.5396 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-09-03", "window": { "start": { "local": "2000-09-03T11:28:54+08:00", "utc": "2000-09-03T03:28:54Z", "ms": 967951734306.465 }, "end": { "local": "2000-09-03T12:16:54+08:00", "utc": "2000-09-03T04:16:54Z", "ms": 967954614306.465 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:10 on Sat 2 Sep to 09:50 on Sun 3 Sep.", "fact": "2000-09-02T02:09:46Z → 2000-09-03T01:49:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 2nd, 11:29–12:17 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 4767 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Ningbo, 2000: Saturday 2 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": "2000-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-02", "confidence": "determinate" } ], "quote": "In Ningbo, Ṛṣi Pañcamī 2000 falls on Saturday 2 September. Pañcamī runs from 10:10 on Sat 2 Sep to 09:50 on Sun 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4191, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2000-09-03T09:49:42+08:00", "utc": "2000-09-03T01:49:42Z", "ms": 967945782110.0985 }, "end": { "local": "2000-09-04T10:18:43+08:00", "utc": "2000-09-04T02:18:43Z", "ms": 968033923147.7716 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-09-03T09:49:42+08:00", "utc": "2000-09-03T01:49:42Z", "ms": 967945782110.0985 }, "end": { "local": "2000-09-04T10:18:43+08:00", "utc": "2000-09-04T02:18:43Z", "ms": 968033923147.7716 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-09-03", "window": { "start": { "local": "2000-09-03T11:28:54+08:00", "utc": "2000-09-03T03:28:54Z", "ms": 967951734306.465 }, "end": { "local": "2000-09-03T12:16:54+08:00", "utc": "2000-09-03T04:16:54Z", "ms": 967954614306.465 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-09-04", "window": { "start": { "local": "2000-09-04T11:28:35+08:00", "utc": "2000-09-04T03:28:35Z", "ms": 968038114603.0106 }, "end": { "local": "2000-09-04T12:16:35+08:00", "utc": "2000-09-04T04:16:35Z", "ms": 968040994603.0106 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:50 on Sun 3 Sep to 10:19 on Mon 4 Sep.", "fact": "2000-09-03T01:49:42Z → 2000-09-04T02:18:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 3rd, 11:29–12:17 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4191 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Ningbo, 2000: Sunday 3 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": "2000-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-03", "confidence": "determinate" } ], "quote": "In Ningbo, Sūrya Ṣaṣṭhī (Bhādrapada) 2000 falls on Sunday 3 September. Ṣaṣṭhī runs from 09:50 on Sun 3 Sep to 10:19 on Mon 4 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 361, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2000-09-04T10:18:43+08:00", "utc": "2000-09-04T02:18:43Z", "ms": 968033923147.7716 }, "end": { "local": "2000-09-05T11:34:16+08:00", "utc": "2000-09-05T03:34:16Z", "ms": 968124855817.2046 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-09-04T10:18:43+08:00", "utc": "2000-09-04T02:18:43Z", "ms": 968033923147.7716 }, "end": { "local": "2000-09-05T11:34:16+08:00", "utc": "2000-09-05T03:34:16Z", "ms": 968124855817.2046 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-09-04", "window": { "start": { "local": "2000-09-04T11:28:35+08:00", "utc": "2000-09-04T03:28:35Z", "ms": 968038114603.0106 }, "end": { "local": "2000-09-04T12:16:35+08:00", "utc": "2000-09-04T04:16:35Z", "ms": 968040994603.0106 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-09-05", "window": { "start": { "local": "2000-09-05T11:28:15+08:00", "utc": "2000-09-05T03:28:15Z", "ms": 968124494644.0509 }, "end": { "local": "2000-09-05T12:16:15+08:00", "utc": "2000-09-05T04:16:15Z", "ms": 968127374644.0509 } }, "covered_min": 6, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:19 on Mon 4 Sep to 11:34 on Tue 5 Sep.", "fact": "2000-09-04T02:18:43Z → 2000-09-05T03:34:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 4th, 11:28–12:16 on the 5th.", "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 4th and 6 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 361 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Ningbo, 2000: Monday 4 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": "2000-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-04", "confidence": "determinate" } ], "quote": "In Ningbo, Muktābharaṇa Vrata 2000 falls on Monday 4 September. Saptamī runs from 10:19 on Mon 4 Sep to 11:34 on Tue 5 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 6 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-06", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 361, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2000-09-05T11:34:16+08:00", "utc": "2000-09-05T03:34:16Z", "ms": 968124855817.2046 }, "end": { "local": "2000-09-06T13:28:58+08:00", "utc": "2000-09-06T05:28:58Z", "ms": 968218138227.777 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-09-05T11:34:16+08:00", "utc": "2000-09-05T03:34:16Z", "ms": 968124855817.2046 }, "end": { "local": "2000-09-06T13:28:58+08:00", "utc": "2000-09-06T05:28:58Z", "ms": 968218138227.777 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-09-05", "window": { "start": { "local": "2000-09-05T11:28:15+08:00", "utc": "2000-09-05T03:28:15Z", "ms": 968124494644.0509 }, "end": { "local": "2000-09-05T12:16:15+08:00", "utc": "2000-09-05T04:16:15Z", "ms": 968127374644.0509 } }, "covered_min": 42, "window_min": 48, "qualifies": true }, { "local_date": "2000-09-06", "window": { "start": { "local": "2000-09-06T11:27:54+08:00", "utc": "2000-09-06T03:27:54Z", "ms": 968210874447.3638 }, "end": { "local": "2000-09-06T12:15:54+08:00", "utc": "2000-09-06T04:15:54Z", "ms": 968213754447.3638 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:34 on Tue 5 Sep to 13:29 on Wed 6 Sep.", "fact": "2000-09-05T03:34:16Z → 2000-09-06T05:28:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 5th, 11:28–12:16 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 42 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 361 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Ningbo, 2000: Wednesday 6 September.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2000-09-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-06", "confidence": "boundary" } ], "quote": "In Ningbo, Rādhāṣṭamī 2000 falls on Wednesday 6 September. Aṣṭamī runs from 11:34 on Tue 5 Sep to 13:29 on Wed 6 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 42 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/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-09-09", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30914, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-09-08T18:26:40+08:00", "utc": "2000-09-08T10:26:40Z", "ms": 968408799689.5302 }, "end": { "local": "2000-09-09T21:00:36+08:00", "utc": "2000-09-09T13:00:36Z", "ms": 968504436235.6261 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-09-08T18:26:40+08:00", "utc": "2000-09-08T10:26:40Z", "ms": 968408799689.5302 }, "end": { "local": "2000-09-09T21:00:36+08:00", "utc": "2000-09-09T13:00:36Z", "ms": 968504436235.6261 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-09-09", "window": { "start": { "local": "2000-09-09T05:35:18+08:00", "utc": "2000-09-08T21:35:18Z", "ms": 968448918365.746 }, "end": { "local": "2000-09-09T05:35:18+08:00", "utc": "2000-09-08T21:35:18Z", "ms": 968448918365.746 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-09-10", "window": { "start": { "local": "2000-09-10T05:35:50+08:00", "utc": "2000-09-09T21:35:50Z", "ms": 968535350249.5588 }, "end": { "local": "2000-09-10T05:35:50+08:00", "utc": "2000-09-09T21:35:50Z", "ms": 968535350249.5588 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:27 on Fri 8 Sep to 21:01 on Sat 9 Sep.", "fact": "2000-09-08T10:26:40Z → 2000-09-09T13:00:36Z" }, { "step": "kaala", "text": "Sunrise is at 05:35 on the 9th and 05:36 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 30914 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Ningbo, 2000: Saturday 9 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": "2000-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-09", "confidence": "determinate" } ], "quote": "In Ningbo, Parivartanī Ekādaśī 2000 falls on Saturday 9 September. Ekādaśī runs from 18:27 on Fri 8 Sep to 21:01 on Sat 9 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-09-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31544, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2000-09-09T21:00:36+08:00", "utc": "2000-09-09T13:00:36Z", "ms": 968504436235.6261 }, "end": { "local": "2000-09-10T23:20:09+08:00", "utc": "2000-09-10T15:20:09Z", "ms": 968599208760.0925 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-09-09T21:00:36+08:00", "utc": "2000-09-09T13:00:36Z", "ms": 968504436235.6261 }, "end": { "local": "2000-09-10T23:20:09+08:00", "utc": "2000-09-10T15:20:09Z", "ms": 968599208760.0925 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-09-09", "window": { "start": { "local": "2000-09-09T11:26:53+08:00", "utc": "2000-09-09T03:26:53Z", "ms": 968470012619.9575 }, "end": { "local": "2000-09-09T12:14:53+08:00", "utc": "2000-09-09T04:14:53Z", "ms": 968472892619.9575 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-09-10", "window": { "start": { "local": "2000-09-10T11:26:32+08:00", "utc": "2000-09-10T03:26:32Z", "ms": 968556391664.6792 }, "end": { "local": "2000-09-10T12:14:32+08:00", "utc": "2000-09-10T04:14:32Z", "ms": 968559271664.6792 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:01 on Sat 9 Sep to 23:20 on Sun 10 Sep.", "fact": "2000-09-09T13:00:36Z → 2000-09-10T15:20:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 9th, 11:27–12:15 on the 10th.", "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 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: unstated → only-day · margin 31544 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Ningbo, 2000: Sunday 10 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": "2000-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-10", "confidence": "determinate" } ], "quote": "In Ningbo, Vāmana Jayantī 2000 falls on Sunday 10 September. Dvādaśī runs from 21:01 on Sat 9 Sep to 23:20 on Sun 10 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/pradosha-vrata?on=2000-09-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13366, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-09-10T23:20:09+08:00", "utc": "2000-09-10T15:20:09Z", "ms": 968599208760.0925 }, "end": { "local": "2000-09-12T01:15:47+08:00", "utc": "2000-09-11T17:15:47Z", "ms": 968692547484.9667 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-09-10T23:20:09+08:00", "utc": "2000-09-10T15:20:09Z", "ms": 968599208760.0925 }, "end": { "local": "2000-09-12T01:15:47+08:00", "utc": "2000-09-11T17:15:47Z", "ms": 968692547484.9667 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-09-10", "window": { "start": { "local": "2000-09-10T18:05:13+08:00", "utc": "2000-09-10T10:05:13Z", "ms": 968580313079.7994 }, "end": { "local": "2000-09-10T19:37:22+08:00", "utc": "2000-09-10T11:37:22Z", "ms": 968585842281.9944 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2000-09-11", "window": { "start": { "local": "2000-09-11T18:03:59+08:00", "utc": "2000-09-11T10:03:59Z", "ms": 968666639045.6722 }, "end": { "local": "2000-09-11T19:36:22+08:00", "utc": "2000-09-11T11:36:22Z", "ms": 968672182362.2312 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:20 on Sun 10 Sep to 01:16 on Tue 12 Sep.", "fact": "2000-09-10T15:20:09Z → 2000-09-11T17:15:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:37 on the 10th, 18:04–19:36 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 92 minutes on the 10th and 92 of 92 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 13366 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ningbo, 2000: Monday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-11", "confidence": "determinate" } ], "quote": "In Ningbo, Śukla Pradoṣa Vrata 2000 falls on Monday 11 September. Trayodaśī runs from 23:20 on Sun 10 Sep to 01:16 on Tue 12 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-09-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10526, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-09-12T01:15:47+08:00", "utc": "2000-09-11T17:15:47Z", "ms": 968692547484.9667 }, "end": { "local": "2000-09-13T02:42:00+08:00", "utc": "2000-09-12T18:42:00Z", "ms": 968784119593.1101 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2000-09-12T01:15:47+08:00", "utc": "2000-09-11T17:15:47Z", "ms": 968692547484.9667 }, "end": { "local": "2000-09-13T02:42:00+08:00", "utc": "2000-09-12T18:42:00Z", "ms": 968784119593.1101 } }, "kaala": "udaya-3", "days": [ { "local_date": "2000-09-12", "window": { "start": { "local": "2000-09-12T05:36:54+08:00", "utc": "2000-09-11T21:36:54Z", "ms": 968708213919.8644 }, "end": { "local": "2000-09-12T08:06:04+08:00", "utc": "2000-09-12T00:06:04Z", "ms": 968717164096.2079 } }, "covered_min": 149, "window_min": 149, "qualifies": true }, { "local_date": "2000-09-13", "window": { "start": { "local": "2000-09-13T05:37:26+08:00", "utc": "2000-09-12T21:37:26Z", "ms": 968794645734.751 }, "end": { "local": "2000-09-13T08:06:15+08:00", "utc": "2000-09-13T00:06:15Z", "ms": 968803574663.0096 } }, "covered_min": 0, "window_min": 149, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:16 on Tue 12 Sep to 02:42 on Wed 13 Sep.", "fact": "2000-09-11T17:15:47Z → 2000-09-12T18:42:00Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:37–08:06 on the 12th, 05:37–08:06 on the 13th.", "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 149 of 149 minutes on the 12th and 0 of 149 on the 13th.", "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 10526 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Ningbo, 2000: Tuesday 12 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": "2000-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-12", "confidence": "determinate" } ], "quote": "In Ningbo, Ananta Caturdaśī 2000 falls on Tuesday 12 September. Caturdaśī runs from 01:16 on Tue 12 Sep to 02:42 on Wed 13 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/sankashta-chaturthi?on=2000-09-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22722, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-09-17T03:29:05+08:00", "utc": "2000-09-16T19:29:05Z", "ms": 969132544565.8009 }, "end": { "local": "2000-09-18T02:39:14+08:00", "utc": "2000-09-17T18:39:14Z", "ms": 969215954287.0509 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-09-17T03:29:05+08:00", "utc": "2000-09-16T19:29:05Z", "ms": 969132544565.8009 }, "end": { "local": "2000-09-18T02:39:14+08:00", "utc": "2000-09-17T18:39:14Z", "ms": 969215954287.0509 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-09-16", "window": { "start": { "local": "2000-09-16T19:44:13+08:00", "utc": "2000-09-16T11:44:13Z", "ms": 969104653459.5687 }, "end": { "local": "2000-09-16T19:44:13+08:00", "utc": "2000-09-16T11:44:13Z", "ms": 969104653459.5687 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-09-17", "window": { "start": { "local": "2000-09-17T20:20:32+08:00", "utc": "2000-09-17T12:20:32Z", "ms": 969193232487.9705 }, "end": { "local": "2000-09-17T20:20:32+08:00", "utc": "2000-09-17T12:20:32Z", "ms": 969193232487.9705 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:29 on Sun 17 Sep to 02:39 on Mon 18 Sep.", "fact": "2000-09-16T19:29:05Z → 2000-09-17T18:39:14Z" }, { "step": "kaala", "text": "Moonrise is at 19:44 on the 16th and 20:21 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22722 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ningbo, 2000: Sunday 17 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": "2000-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-17", "confidence": "determinate" } ], "quote": "In Ningbo, Saṅkaṣṭa Caturthī 2000 falls on Sunday 17 September. Caturthī runs from 03:29 on Sun 17 Sep to 02:39 on Mon 18 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/sankashta-chaturthi?on=2000-09-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8492, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2000-09-19T01:30:38+08:00", "utc": "2000-09-18T17:30:38Z", "ms": 969298238324.3257 }, "end": { "local": "2000-09-20T00:05:14+08:00", "utc": "2000-09-19T16:05:14Z", "ms": 969379513961.2966 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-09-19T01:30:38+08:00", "utc": "2000-09-18T17:30:38Z", "ms": 969298238324.3257 }, "end": { "local": "2000-09-20T00:05:14+08:00", "utc": "2000-09-19T16:05:14Z", "ms": 969379513961.2966 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-09-18", "window": { "start": { "local": "2000-09-18T20:59:57+08:00", "utc": "2000-09-18T12:59:57Z", "ms": 969281997057.225 }, "end": { "local": "2000-09-18T20:59:57+08:00", "utc": "2000-09-18T12:59:57Z", "ms": 969281997057.225 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-09-19", "window": { "start": { "local": "2000-09-19T21:43:42+08:00", "utc": "2000-09-19T13:43:42Z", "ms": 969371021842.1064 }, "end": { "local": "2000-09-19T21:43:42+08:00", "utc": "2000-09-19T13:43:42Z", "ms": 969371021842.1064 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:31 on Tue 19 Sep to 00:05 on Wed 20 Sep.", "fact": "2000-09-18T17:30:38Z → 2000-09-19T16:05:14Z" }, { "step": "kaala", "text": "Moonrise is at 21:00 on the 18th and 21:44 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8492 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Ningbo, 2000: Tuesday 19 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": "2000-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-19", "confidence": "determinate" } ], "quote": "In Ningbo, Candra Ṣaṣṭhī 2000 falls on Tuesday 19 September. Ṣaṣṭhī runs from 01:31 on Tue 19 Sep to 00:05 on Wed 20 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 511, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2000-09-20T22:24:19+08:00", "utc": "2000-09-20T14:24:19Z", "ms": 969459859080.7363 }, "end": { "local": "2000-09-21T20:28:52+08:00", "utc": "2000-09-21T12:28:52Z", "ms": 969539331967.1974 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-09-20T22:24:19+08:00", "utc": "2000-09-20T14:24:19Z", "ms": 969459859080.7363 }, "end": { "local": "2000-09-21T20:28:52+08:00", "utc": "2000-09-21T12:28:52Z", "ms": 969539331967.1974 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-09-20", "window": { "start": { "local": "2000-09-20T22:32:50+08:00", "utc": "2000-09-20T14:32:50Z", "ms": 969460370272.3066 }, "end": { "local": "2000-09-20T22:32:50+08:00", "utc": "2000-09-20T14:32:50Z", "ms": 969460370272.3066 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-09-21", "window": { "start": { "local": "2000-09-21T23:27:52+08:00", "utc": "2000-09-21T15:27:52Z", "ms": 969550072454.0367 }, "end": { "local": "2000-09-21T23:27:52+08:00", "utc": "2000-09-21T15:27:52Z", "ms": 969550072454.0367 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:24 on Wed 20 Sep to 20:29 on Thu 21 Sep.", "fact": "2000-09-20T14:24:19Z → 2000-09-21T12:28:52Z" }, { "step": "kaala", "text": "Moonrise is at 22:33 on the 20th and 23:28 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 20th and is not on the 21st.", "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 511 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Ningbo, 2000: Wednesday 20 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-20", "confidence": "determinate" } ], "quote": "In Ningbo, Mahālakṣmī Vrata Samāpana 2000 falls on Wednesday 20 September. Aṣṭamī runs from 22:24 on Wed 20 Sep to 20:29 on Thu 21 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3754, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2000-09-20T22:24:19+08:00", "utc": "2000-09-20T14:24:19Z", "ms": 969459859080.7363 }, "end": { "local": "2000-09-21T20:28:52+08:00", "utc": "2000-09-21T12:28:52Z", "ms": 969539331967.1974 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-09-20T22:24:19+08:00", "utc": "2000-09-20T14:24:19Z", "ms": 969459859080.7363 }, "end": { "local": "2000-09-21T20:28:52+08:00", "utc": "2000-09-21T12:28:52Z", "ms": 969539331967.1974 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-09-20", "window": { "start": { "local": "2000-09-20T17:52:47+08:00", "utc": "2000-09-20T09:52:47Z", "ms": 969443566826.8223 }, "end": { "local": "2000-09-20T19:27:18+08:00", "utc": "2000-09-20T11:27:18Z", "ms": 969449238175.048 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2000-09-21", "window": { "start": { "local": "2000-09-21T17:51:32+08:00", "utc": "2000-09-21T09:51:32Z", "ms": 969529892019.9924 }, "end": { "local": "2000-09-21T19:26:18+08:00", "utc": "2000-09-21T11:26:18Z", "ms": 969535577673.4916 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:24 on Wed 20 Sep to 20:29 on Thu 21 Sep.", "fact": "2000-09-20T14:24:19Z → 2000-09-21T12:28:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:27 on the 20th, 17:52–19:26 on the 21st.", "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 95 minutes on the 20th and 95 of 95 on the 21st.", "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 3754 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Ningbo, 2000: Thursday 21 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-21", "confidence": "determinate" } ], "quote": "In Ningbo, Jitāṣṭamī (Jitiya) 2000 falls on Thursday 21 September. Aṣṭamī runs from 22:24 on Wed 20 Sep to 20:29 on Thu 21 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-09-24", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28022, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-09-23T15:59:32+08:00", "utc": "2000-09-23T07:59:32Z", "ms": 969695972162.7499 }, "end": { "local": "2000-09-24T13:30:22+08:00", "utc": "2000-09-24T05:30:22Z", "ms": 969773422115.1635 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-09-23T15:59:32+08:00", "utc": "2000-09-23T07:59:32Z", "ms": 969695972162.7499 }, "end": { "local": "2000-09-24T13:30:22+08:00", "utc": "2000-09-24T05:30:22Z", "ms": 969773422115.1635 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-09-23", "window": { "start": { "local": "2000-09-23T05:42:47+08:00", "utc": "2000-09-22T21:42:47Z", "ms": 969658967054.3141 }, "end": { "local": "2000-09-23T05:42:47+08:00", "utc": "2000-09-22T21:42:47Z", "ms": 969658967054.3141 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-09-24", "window": { "start": { "local": "2000-09-24T05:43:20+08:00", "utc": "2000-09-23T21:43:20Z", "ms": 969745399849.1421 }, "end": { "local": "2000-09-24T05:43:20+08:00", "utc": "2000-09-23T21:43:20Z", "ms": 969745399849.1421 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:00 on Sat 23 Sep to 13:30 on Sun 24 Sep.", "fact": "2000-09-23T07:59:32Z → 2000-09-24T05:30:22Z" }, { "step": "kaala", "text": "Sunrise is at 05:43 on the 23rd and 05:43 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 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28022 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Ningbo, 2000: Sunday 24 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-24", "confidence": "determinate" } ], "quote": "In Ningbo, Indirā Ekādaśī 2000 falls on Sunday 24 September. Ekādaśī runs from 16:00 on Sat 23 Sep to 13:30 on Sun 24 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-09-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-09-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24587, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-09-25T10:56:47+08:00", "utc": "2000-09-25T02:56:47Z", "ms": 969850607157.2867 }, "end": { "local": "2000-09-26T08:24:31+08:00", "utc": "2000-09-26T00:24:31Z", "ms": 969927870602.0846 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-09-25T10:56:47+08:00", "utc": "2000-09-25T02:56:47Z", "ms": 969850607157.2867 }, "end": { "local": "2000-09-26T08:24:31+08:00", "utc": "2000-09-26T00:24:31Z", "ms": 969927870602.0846 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-09-25", "window": { "start": { "local": "2000-09-25T17:46:34+08:00", "utc": "2000-09-25T09:46:34Z", "ms": 969875193880.1897 }, "end": { "local": "2000-09-25T19:22:17+08:00", "utc": "2000-09-25T11:22:17Z", "ms": 969880936824.6493 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2000-09-26", "window": { "start": { "local": "2000-09-26T17:45:20+08:00", "utc": "2000-09-26T09:45:20Z", "ms": 969961519746.1327 }, "end": { "local": "2000-09-26T19:21:17+08:00", "utc": "2000-09-26T11:21:17Z", "ms": 969967277020.0886 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:57 on Mon 25 Sep to 08:25 on Tue 26 Sep.", "fact": "2000-09-25T02:56:47Z → 2000-09-26T00:24:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:22 on the 25th, 17:45–19:21 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 25th and 0 of 96 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24587 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ningbo, 2000: Monday 25 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-25", "confidence": "determinate" } ], "quote": "In Ningbo, Kṛṣṇa Pradoṣa Vrata 2000 falls on Monday 25 September. Trayodaśī runs from 10:57 on Mon 25 Sep to 08:25 on Tue 26 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-09-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shivaratri?on=2000-09-26", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21084, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-09-26T08:24:31+08:00", "utc": "2000-09-26T00:24:31Z", "ms": 969927870602.0846 }, "end": { "local": "2000-09-27T06:00:34+08:00", "utc": "2000-09-26T22:00:34Z", "ms": 970005633875.5753 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-09-26T08:24:31+08:00", "utc": "2000-09-26T00:24:31Z", "ms": 969927870602.0846 }, "end": { "local": "2000-09-27T06:00:34+08:00", "utc": "2000-09-26T22:00:34Z", "ms": 970005633875.5753 } }, "kaala": "nishita", "days": [ { "local_date": "2000-09-25", "window": { "start": { "local": "2000-09-25T23:21:30+08:00", "utc": "2000-09-25T15:21:30Z", "ms": 969895289921.9131 }, "end": { "local": "2000-09-26T00:09:30+08:00", "utc": "2000-09-25T16:09:30Z", "ms": 969898169921.9131 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-09-26", "window": { "start": { "local": "2000-09-26T23:21:10+08:00", "utc": "2000-09-26T15:21:10Z", "ms": 969981669523.4675 }, "end": { "local": "2000-09-27T00:09:10+08:00", "utc": "2000-09-26T16:09:10Z", "ms": 969984549523.4675 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:25 on Tue 26 Sep to 06:01 on Wed 27 Sep.", "fact": "2000-09-26T00:24:31Z → 2000-09-26T22:00:34Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:21–00:09 on the 25th, 23:21–00:09 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21084 s" }, { "step": "ruling", "text": "Śivarātri, Ningbo, 2000: Tuesday 26 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": "2000-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-26", "confidence": "determinate" } ], "quote": "In Ningbo, Śivarātri 2000 falls on Tuesday 26 September. Caturdaśī runs from 08:25 on Tue 26 Sep to 06:01 on Wed 27 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/shivaratri?on=2000-09-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24953, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2000-09-27T06:00:34+08:00", "utc": "2000-09-26T22:00:34Z", "ms": 970005633875.5753 }, "end": { "local": "2000-09-28T03:52:57+08:00", "utc": "2000-09-27T19:52:57Z", "ms": 970084377092.4595 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-09-27T06:00:34+08:00", "utc": "2000-09-26T22:00:34Z", "ms": 970005633875.5753 }, "end": { "local": "2000-09-28T03:52:57+08:00", "utc": "2000-09-27T19:52:57Z", "ms": 970084377092.4595 } }, "kaala": "aparahna", "days": [ { "local_date": "2000-09-27", "window": { "start": { "local": "2000-09-27T12:56:27+08:00", "utc": "2000-09-27T04:56:27Z", "ms": 970030587213.3099 }, "end": { "local": "2000-09-27T15:20:17+08:00", "utc": "2000-09-27T07:20:17Z", "ms": 970039216517.4792 } }, "covered_min": 144, "window_min": 144, "qualifies": true }, { "local_date": "2000-09-28", "window": { "start": { "local": "2000-09-28T12:55:56+08:00", "utc": "2000-09-28T04:55:56Z", "ms": 970116956412.6327 }, "end": { "local": "2000-09-28T15:19:24+08:00", "utc": "2000-09-28T07:19:24Z", "ms": 970125564271.7324 } }, "covered_min": 0, "window_min": 143, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 06:01 on Wed 27 Sep to 03:53 on Thu 28 Sep.", "fact": "2000-09-26T22:00:34Z → 2000-09-27T19:52:57Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:56–15:20 on the 27th, 12:56–15:19 on the 28th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 144 of 144 minutes on the 27th and 0 of 143 on the 28th.", "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 24953 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Ningbo, 2000: Wednesday 27 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-27", "confidence": "determinate" } ], "quote": "In Ningbo, Mahālaya Amāvāsyā 2000 falls on Wednesday 27 September. Amāvasyā runs from 06:01 on Wed 27 Sep to 03:53 on Thu 28 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26835, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2000-09-28T03:52:57+08:00", "utc": "2000-09-27T19:52:57Z", "ms": 970084377092.4595 }, "end": { "local": "2000-09-29T02:10:08+08:00", "utc": "2000-09-28T18:10:08Z", "ms": 970164608456.6036 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-09-28T03:52:57+08:00", "utc": "2000-09-27T19:52:57Z", "ms": 970084377092.4595 }, "end": { "local": "2000-09-29T02:10:08+08:00", "utc": "2000-09-28T18:10:08Z", "ms": 970164608456.6036 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-09-28", "window": { "start": { "local": "2000-09-28T11:20:12+08:00", "utc": "2000-09-28T03:20:12Z", "ms": 970111212483.0829 }, "end": { "local": "2000-09-28T12:08:12+08:00", "utc": "2000-09-28T04:08:12Z", "ms": 970114092483.0829 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-09-29", "window": { "start": { "local": "2000-09-29T11:19:53+08:00", "utc": "2000-09-29T03:19:53Z", "ms": 970197592636.5674 }, "end": { "local": "2000-09-29T12:07:53+08:00", "utc": "2000-09-29T04:07:53Z", "ms": 970200472636.5674 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:53 on Thu 28 Sep to 02:10 on Fri 29 Sep.", "fact": "2000-09-27T19:52:57Z → 2000-09-28T18:10:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:20–12:08 on the 28th, 11:20–12:08 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26835 s" }, { "step": "ruling", "text": "Navarātrārambha, Ningbo, 2000: Thursday 28 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-09-28", "confidence": "determinate" } ], "quote": "In Ningbo, Navarātrārambha (Navratri) 2000 falls on Thursday 28 September. Pratipadā runs from 03:53 on Thu 28 Sep to 02:10 on Fri 29 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-10-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38003, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-10-01T00:30:36+08:00", "utc": "2000-09-30T16:30:36Z", "ms": 970331436383.7592 }, "end": { "local": "2000-10-02T00:45:32+08:00", "utc": "2000-10-01T16:45:32Z", "ms": 970418731883.1298 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-10-01T00:30:36+08:00", "utc": "2000-09-30T16:30:36Z", "ms": 970331436383.7592 }, "end": { "local": "2000-10-02T00:45:32+08:00", "utc": "2000-10-01T16:45:32Z", "ms": 970418731883.1298 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-10-01", "window": { "start": { "local": "2000-10-01T11:19:14+08:00", "utc": "2000-10-01T03:19:14Z", "ms": 970370353704.9525 }, "end": { "local": "2000-10-01T12:07:14+08:00", "utc": "2000-10-01T04:07:14Z", "ms": 970373233704.9525 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-10-02", "window": { "start": { "local": "2000-10-02T11:18:55+08:00", "utc": "2000-10-02T03:18:55Z", "ms": 970456734654.8741 }, "end": { "local": "2000-10-02T12:06:55+08:00", "utc": "2000-10-02T04:06:55Z", "ms": 970459614654.8741 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:31 on Sun 1 Oct to 00:46 on Mon 2 Oct.", "fact": "2000-09-30T16:30:36Z → 2000-10-01T16:45:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:19–12:07 on the 1st, 11:19–12:07 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38003 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ningbo, 2000: Sunday 1 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": "2000-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-01", "confidence": "determinate" } ], "quote": "In Ningbo, Vināyaka Caturthī 2000 falls on Sunday 1 October. Caturthī runs from 00:31 on Sun 1 Oct to 00:46 on Mon 2 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-10-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 363, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2000-10-04T03:28:26+08:00", "utc": "2000-10-03T19:28:26Z", "ms": 970601305616.2087 }, "end": { "local": "2000-10-05T05:43:30+08:00", "utc": "2000-10-04T21:43:30Z", "ms": 970695810361.706 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-10-04T03:28:26+08:00", "utc": "2000-10-03T19:28:26Z", "ms": 970601305616.2087 }, "end": { "local": "2000-10-05T05:43:30+08:00", "utc": "2000-10-04T21:43:30Z", "ms": 970695810361.706 } }, "kaala": "udaya-1", "days": [ { "local_date": "2000-10-04", "window": { "start": { "local": "2000-10-04T05:48:59+08:00", "utc": "2000-10-03T21:48:59Z", "ms": 970609738649.169 }, "end": { "local": "2000-10-04T06:36:05+08:00", "utc": "2000-10-03T22:36:05Z", "ms": 970612565159.5017 } }, "covered_min": 47, "window_min": 47, "qualifies": true }, { "local_date": "2000-10-05", "window": { "start": { "local": "2000-10-05T05:49:34+08:00", "utc": "2000-10-04T21:49:34Z", "ms": 970696173804.6466 }, "end": { "local": "2000-10-05T06:36:33+08:00", "utc": "2000-10-04T22:36:33Z", "ms": 970698993215.5792 } }, "covered_min": 0, "window_min": 47, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:28 on Wed 4 Oct to 05:44 on Thu 5 Oct.", "fact": "2000-10-03T19:28:26Z → 2000-10-04T21:43:30Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:49–06:36 on the 4th, 05:50–06:37 on the 5th.", "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 47 of 47 minutes on the 4th and 0 of 47 on the 5th.", "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 363 s" }, { "step": "ruling", "text": "Durgā Saptamī, Ningbo, 2000: Wednesday 4 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": "2000-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-04", "confidence": "determinate" } ], "quote": "In Ningbo, Durgā Saptamī 2000 falls on Wednesday 4 October. Saptamī runs from 03:28 on Wed 4 Oct to 05:44 on Thu 5 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10799, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2000-10-05T05:43:30+08:00", "utc": "2000-10-04T21:43:30Z", "ms": 970695810361.706 }, "end": { "local": "2000-10-06T08:17:42+08:00", "utc": "2000-10-06T00:17:42Z", "ms": 970791462355.9001 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-10-05T05:43:30+08:00", "utc": "2000-10-04T21:43:30Z", "ms": 970695810361.706 }, "end": { "local": "2000-10-06T08:17:42+08:00", "utc": "2000-10-06T00:17:42Z", "ms": 970791462355.9001 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-10-05", "window": { "start": { "local": "2000-10-05T11:17:59+08:00", "utc": "2000-10-05T03:17:59Z", "ms": 970715879386.6416 }, "end": { "local": "2000-10-05T12:05:59+08:00", "utc": "2000-10-05T04:05:59Z", "ms": 970718759386.6416 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-10-06", "window": { "start": { "local": "2000-10-06T11:17:42+08:00", "utc": "2000-10-06T03:17:42Z", "ms": 970802261655.4847 }, "end": { "local": "2000-10-06T12:05:42+08:00", "utc": "2000-10-06T04:05:42Z", "ms": 970805141655.4847 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:44 on Thu 5 Oct to 08:18 on Fri 6 Oct.", "fact": "2000-10-04T21:43:30Z → 2000-10-06T00:17:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:18–12:06 on the 5th, 11:18–12:06 on the 6th.", "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 5th and 0 of 48 on the 6th.", "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 10799 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Ningbo, 2000: Thursday 5 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": "2000-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-05", "confidence": "determinate" } ], "quote": "In Ningbo, Mahāṣṭamī (Durga Ashtami) 2000 falls on Thursday 5 October. Aṣṭamī runs from 05:44 on Thu 5 Oct to 08:18 on Fri 6 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1357, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2000-10-06T08:17:42+08:00", "utc": "2000-10-06T00:17:42Z", "ms": 970791462355.9001 }, "end": { "local": "2000-10-07T10:54:48+08:00", "utc": "2000-10-07T02:54:48Z", "ms": 970887287792.4036 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-10-06T08:17:42+08:00", "utc": "2000-10-06T00:17:42Z", "ms": 970791462355.9001 }, "end": { "local": "2000-10-07T10:54:48+08:00", "utc": "2000-10-07T02:54:48Z", "ms": 970887287792.4036 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-10-06", "window": { "start": { "local": "2000-10-06T11:17:42+08:00", "utc": "2000-10-06T03:17:42Z", "ms": 970802261655.4847 }, "end": { "local": "2000-10-06T12:05:42+08:00", "utc": "2000-10-06T04:05:42Z", "ms": 970805141655.4847 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-10-07", "window": { "start": { "local": "2000-10-07T11:17:24+08:00", "utc": "2000-10-07T03:17:24Z", "ms": 970888644303.2535 }, "end": { "local": "2000-10-07T12:05:24+08:00", "utc": "2000-10-07T04:05:24Z", "ms": 970891524303.2535 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 08:18 on Fri 6 Oct to 10:55 on Sat 7 Oct.", "fact": "2000-10-06T00:17:42Z → 2000-10-07T02:54:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:18–12:06 on the 6th, 11:17–12:05 on the 7th.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1357 s" }, { "step": "ruling", "text": "Mahānavamī, Ningbo, 2000: Friday 6 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": "2000-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-06", "confidence": "determinate" } ], "quote": "In Ningbo, Mahānavamī 2000 falls on Friday 6 October. Navamī runs from 08:18 on Fri 6 Oct to 10:55 on Sat 7 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-08", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 11320, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2000-10-07T10:54:48+08:00", "utc": "2000-10-07T02:54:48Z", "ms": 970887287792.4036 }, "end": { "local": "2000-10-08T13:18:40+08:00", "utc": "2000-10-08T05:18:40Z", "ms": 970982320171.8134 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2000-10-07T14:23:24+08:00", "utc": "2000-10-07T06:23:24Z", "ms": 970899803807.0396 }, "end": { "local": "2000-10-08T13:18:40+08:00", "utc": "2000-10-08T05:18:40Z", "ms": 970982320171.8134 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2000-10-07T14:23:24+08:00", "utc": "2000-10-07T06:23:24Z", "ms": 970899803807.0396 }, "end": { "local": "2000-10-08T17:14:25+08:00", "utc": "2000-10-08T09:14:25Z", "ms": 970996465248.9017 } } }, "kaala": "daytime", "days": [ { "local_date": "2000-10-07", "window": { "start": { "local": "2000-10-07T05:50:45+08:00", "utc": "2000-10-06T21:50:45Z", "ms": 970869044939.1299 }, "end": { "local": "2000-10-07T17:32:04+08:00", "utc": "2000-10-07T09:32:04Z", "ms": 970911123667.3772 } }, "covered_min": 189, "window_min": 701, "qualifies": true }, { "local_date": "2000-10-08", "window": { "start": { "local": "2000-10-08T05:51:21+08:00", "utc": "2000-10-07T21:51:21Z", "ms": 970955480940.3463 }, "end": { "local": "2000-10-08T17:30:54+08:00", "utc": "2000-10-08T09:30:54Z", "ms": 970997453760.3025 } }, "covered_min": 447, "window_min": 700, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Daśamī runs from 10:55 on Sat 7 Oct to 13:19 on Sun 8 Oct, and Śravaṇa from 14:23 on Sat 7 Oct to 17:14 on Sun 8 Oct. They are together from 14:23 on Sat 7 Oct to 13:19 on Sun 8 Oct.", "fact": "2000-10-07T06:23:24Z → 2000-10-08T05:18:40Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 05:51–17:32 on the 7th, 05:51–17:31 on the 8th.", "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 189 of 701 minutes on the 7th and 447 of 700 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "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 11320 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Ningbo, 2000: Sunday 8 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2000-10-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-08", "confidence": "boundary" } ], "quote": "In Ningbo, Vijayā Daśamī (Dussehra) 2000 falls on Sunday 8 October. Daśamī runs from 10:55 on Sat 7 Oct to 13:19 on Sun 8 Oct and is with Śravaṇa in the day time that day, for 447 minutes. They are together in the day time on the previous day too, for 189 minutes; the rule does not say which to take, and the day they share longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-10-09", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26839, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-10-08T13:18:40+08:00", "utc": "2000-10-08T05:18:40Z", "ms": 970982320171.8134 }, "end": { "local": "2000-10-09T15:15:59+08:00", "utc": "2000-10-09T07:15:59Z", "ms": 971075759098.7015 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-10-08T13:18:40+08:00", "utc": "2000-10-08T05:18:40Z", "ms": 970982320171.8134 }, "end": { "local": "2000-10-09T15:15:59+08:00", "utc": "2000-10-09T07:15:59Z", "ms": 971075759098.7015 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-10-08", "window": { "start": { "local": "2000-10-08T05:51:21+08:00", "utc": "2000-10-07T21:51:21Z", "ms": 970955480940.3463 }, "end": { "local": "2000-10-08T05:51:21+08:00", "utc": "2000-10-07T21:51:21Z", "ms": 970955480940.3463 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-10-09", "window": { "start": { "local": "2000-10-09T05:51:57+08:00", "utc": "2000-10-08T21:51:57Z", "ms": 971041917246.0887 }, "end": { "local": "2000-10-09T05:51:57+08:00", "utc": "2000-10-08T21:51:57Z", "ms": 971041917246.0887 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:19 on Sun 8 Oct to 15:16 on Mon 9 Oct.", "fact": "2000-10-08T05:18:40Z → 2000-10-09T07:15:59Z" }, { "step": "kaala", "text": "Sunrise is at 05:51 on the 8th and 05:52 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26839 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Ningbo, 2000: Monday 9 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-09", "confidence": "determinate" } ], "quote": "In Ningbo, Pāśāṅkuśā Ekādaśī 2000 falls on Monday 9 October. Ekādaśī runs from 13:19 on Sun 8 Oct to 15:16 on Mon 9 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-10-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-10-10", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 418, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-10-10T16:37:53+08:00", "utc": "2000-10-10T08:37:53Z", "ms": 971167073482.0419 }, "end": { "local": "2000-10-11T17:20:30+08:00", "utc": "2000-10-11T09:20:30Z", "ms": 971256029512.3485 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2000-10-10T16:37:53+08:00", "utc": "2000-10-10T08:37:53Z", "ms": 971167073482.0419 }, "end": { "local": "2000-10-11T17:20:30+08:00", "utc": "2000-10-11T09:20:30Z", "ms": 971256029512.3485 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-10-10", "window": { "start": { "local": "2000-10-10T17:28:36+08:00", "utc": "2000-10-10T09:28:36Z", "ms": 971170115582.8287 }, "end": { "local": "2000-10-10T19:07:52+08:00", "utc": "2000-10-10T11:07:52Z", "ms": 971176072280.9058 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2000-10-11", "window": { "start": { "local": "2000-10-11T17:27:27+08:00", "utc": "2000-10-11T09:27:27Z", "ms": 971256447373.4099 }, "end": { "local": "2000-10-11T19:06:58+08:00", "utc": "2000-10-11T11:06:58Z", "ms": 971262418138.2095 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:38 on Tue 10 Oct to 17:20 on Wed 11 Oct.", "fact": "2000-10-10T08:37:53Z → 2000-10-11T09:20:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:29–19:08 on the 10th, 17:27–19:07 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 99 of 99 minutes on the 10th and 0 of 100 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 418 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ningbo, 2000: Tuesday 10 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": "2000-10-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-10", "confidence": "determinate" } ], "quote": "In Ningbo, Śukla Pradoṣa Vrata 2000 falls on Tuesday 10 October. Trayodaśī runs from 16:38 on Tue 10 Oct to 17:20 on Wed 11 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-10-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24748, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-10-16T12:48:42+08:00", "utc": "2000-10-16T04:48:42Z", "ms": 971671721546.3474 }, "end": { "local": "2000-10-17T10:57:54+08:00", "utc": "2000-10-17T02:57:54Z", "ms": 971751473997.5708 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-16T12:48:42+08:00", "utc": "2000-10-16T04:48:42Z", "ms": 971671721546.3474 }, "end": { "local": "2000-10-17T10:57:54+08:00", "utc": "2000-10-17T02:57:54Z", "ms": 971751473997.5708 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-10-16", "window": { "start": { "local": "2000-10-16T19:41:10+08:00", "utc": "2000-10-16T11:41:10Z", "ms": 971696469628.7266 }, "end": { "local": "2000-10-16T19:41:10+08:00", "utc": "2000-10-16T11:41:10Z", "ms": 971696469628.7266 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-10-17", "window": { "start": { "local": "2000-10-17T20:29:14+08:00", "utc": "2000-10-17T12:29:14Z", "ms": 971785753770.3252 }, "end": { "local": "2000-10-17T20:29:14+08:00", "utc": "2000-10-17T12:29:14Z", "ms": 971785753770.3252 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:49 on Mon 16 Oct to 10:58 on Tue 17 Oct.", "fact": "2000-10-16T04:48:42Z → 2000-10-17T02:57:54Z" }, { "step": "kaala", "text": "Moonrise is at 19:41 on the 16th and 20:29 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24748 s" }, { "step": "ruling", "text": "Karaka Caturthī, Ningbo, 2000: Monday 16 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": "2000-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-16", "confidence": "determinate" } ], "quote": "In Ningbo, Karaka Caturthī (Karwa Chauth) 2000 falls on Monday 16 October. Caturthī runs from 12:49 on Mon 16 Oct to 10:58 on Tue 17 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/sankashta-chaturthi?on=2000-10-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24748, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-10-16T12:48:42+08:00", "utc": "2000-10-16T04:48:42Z", "ms": 971671721546.3474 }, "end": { "local": "2000-10-17T10:57:54+08:00", "utc": "2000-10-17T02:57:54Z", "ms": 971751473997.5708 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-16T12:48:42+08:00", "utc": "2000-10-16T04:48:42Z", "ms": 971671721546.3474 }, "end": { "local": "2000-10-17T10:57:54+08:00", "utc": "2000-10-17T02:57:54Z", "ms": 971751473997.5708 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-10-16", "window": { "start": { "local": "2000-10-16T19:41:10+08:00", "utc": "2000-10-16T11:41:10Z", "ms": 971696469628.7266 }, "end": { "local": "2000-10-16T19:41:10+08:00", "utc": "2000-10-16T11:41:10Z", "ms": 971696469628.7266 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-10-17", "window": { "start": { "local": "2000-10-17T20:29:14+08:00", "utc": "2000-10-17T12:29:14Z", "ms": 971785753770.3252 }, "end": { "local": "2000-10-17T20:29:14+08:00", "utc": "2000-10-17T12:29:14Z", "ms": 971785753770.3252 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:49 on Mon 16 Oct to 10:58 on Tue 17 Oct.", "fact": "2000-10-16T04:48:42Z → 2000-10-17T02:57:54Z" }, { "step": "kaala", "text": "Moonrise is at 19:41 on the 16th and 20:29 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24748 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ningbo, 2000: Monday 16 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": "2000-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-16", "confidence": "determinate" } ], "quote": "In Ningbo, Saṅkaṣṭa Caturthī 2000 falls on Monday 16 October. Caturthī runs from 12:49 on Mon 16 Oct to 10:58 on Tue 17 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/sankashta-chaturthi?on=2000-10-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12862, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2000-10-20T04:59:36+08:00", "utc": "2000-10-19T20:59:36Z", "ms": 971989175670.9272 }, "end": { "local": "2000-10-21T02:58:45+08:00", "utc": "2000-10-20T18:58:45Z", "ms": 972068325226.4299 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-20T04:59:36+08:00", "utc": "2000-10-19T20:59:36Z", "ms": 971989175670.9272 }, "end": { "local": "2000-10-21T02:58:45+08:00", "utc": "2000-10-20T18:58:45Z", "ms": 972068325226.4299 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-10-19", "window": { "start": { "local": "2000-10-19T22:21:43+08:00", "utc": "2000-10-19T14:21:43Z", "ms": 971965303263.3969 }, "end": { "local": "2000-10-19T22:21:43+08:00", "utc": "2000-10-19T14:21:43Z", "ms": 971965303263.3969 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-10-20", "window": { "start": { "local": "2000-10-20T23:24:23+08:00", "utc": "2000-10-20T15:24:23Z", "ms": 972055463250.3682 }, "end": { "local": "2000-10-20T23:24:23+08:00", "utc": "2000-10-20T15:24:23Z", "ms": 972055463250.3682 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:00 on Fri 20 Oct to 02:59 on Sat 21 Oct.", "fact": "2000-10-19T20:59:36Z → 2000-10-20T18:58:45Z" }, { "step": "kaala", "text": "Moonrise is at 22:22 on the 19th and 23:24 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 19th and is on the 20th.", "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 12862 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Ningbo, 2000: Friday 20 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": "2000-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-20", "confidence": "determinate" } ], "quote": "In Ningbo, Ahoyī Aṣṭamī 2000 falls on Friday 20 October. Aṣṭamī runs from 05:00 on Fri 20 Oct to 02:59 on Sat 21 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-10-23", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25122, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-10-22T23:02:22+08:00", "utc": "2000-10-22T15:02:22Z", "ms": 972226942353.922 }, "end": { "local": "2000-10-23T21:10:27+08:00", "utc": "2000-10-23T13:10:27Z", "ms": 972306627259.7351 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-22T23:02:22+08:00", "utc": "2000-10-22T15:02:22Z", "ms": 972226942353.922 }, "end": { "local": "2000-10-23T21:10:27+08:00", "utc": "2000-10-23T13:10:27Z", "ms": 972306627259.7351 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-10-23", "window": { "start": { "local": "2000-10-23T06:01:04+08:00", "utc": "2000-10-22T22:01:04Z", "ms": 972252064119.015 }, "end": { "local": "2000-10-23T06:01:04+08:00", "utc": "2000-10-22T22:01:04Z", "ms": 972252064119.015 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-10-24", "window": { "start": { "local": "2000-10-24T06:01:46+08:00", "utc": "2000-10-23T22:01:46Z", "ms": 972338506300.7114 }, "end": { "local": "2000-10-24T06:01:46+08:00", "utc": "2000-10-23T22:01:46Z", "ms": 972338506300.7114 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:02 on Sun 22 Oct to 21:10 on Mon 23 Oct.", "fact": "2000-10-22T15:02:22Z → 2000-10-23T13:10:27Z" }, { "step": "kaala", "text": "Sunrise is at 06:01 on the 23rd and 06:02 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25122 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Ningbo, 2000: Monday 23 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-23", "confidence": "determinate" } ], "quote": "In Ningbo, Ramā Ekādaśī 2000 falls on Monday 23 October. Ekādaśī runs from 23:02 on Sun 22 Oct to 21:10 on Mon 23 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-10-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1835, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2000-10-23T21:10:27+08:00", "utc": "2000-10-23T13:10:27Z", "ms": 972306627259.7351 }, "end": { "local": "2000-10-24T19:26:54+08:00", "utc": "2000-10-24T11:26:54Z", "ms": 972386813631.7156 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-23T21:10:27+08:00", "utc": "2000-10-23T13:10:27Z", "ms": 972306627259.7351 }, "end": { "local": "2000-10-24T19:26:54+08:00", "utc": "2000-10-24T11:26:54Z", "ms": 972386813631.7156 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-10-23", "window": { "start": { "local": "2000-10-23T17:14:47+08:00", "utc": "2000-10-23T09:14:47Z", "ms": 972292486756.4995 }, "end": { "local": "2000-10-23T18:57:03+08:00", "utc": "2000-10-23T10:57:03Z", "ms": 972298622695.7278 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "2000-10-24", "window": { "start": { "local": "2000-10-24T17:13:49+08:00", "utc": "2000-10-24T09:13:49Z", "ms": 972378829117.4259 }, "end": { "local": "2000-10-24T18:56:18+08:00", "utc": "2000-10-24T10:56:18Z", "ms": 972384978423.4635 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:10 on Mon 23 Oct to 19:27 on Tue 24 Oct.", "fact": "2000-10-23T13:10:27Z → 2000-10-24T11:26:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–18:57 on the 23rd, 17:14–18:56 on the 24th.", "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 102 minutes on the 23rd and 102 of 102 on the 24th.", "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 1835 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Ningbo, 2000: Tuesday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-24", "confidence": "determinate" } ], "quote": "In Ningbo, Govatsa Dvādaśī (Vasu Baras) 2000 falls on Tuesday 24 October. Dvādaśī runs from 21:10 on Mon 23 Oct to 19:27 on Tue 24 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1835, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-10-24T19:26:54+08:00", "utc": "2000-10-24T11:26:54Z", "ms": 972386813631.7156 }, "end": { "local": "2000-10-25T17:56:23+08:00", "utc": "2000-10-25T09:56:23Z", "ms": 972467782546.2972 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-24T19:26:54+08:00", "utc": "2000-10-24T11:26:54Z", "ms": 972386813631.7156 }, "end": { "local": "2000-10-25T17:56:23+08:00", "utc": "2000-10-25T09:56:23Z", "ms": 972467782546.2972 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-10-24", "window": { "start": { "local": "2000-10-24T17:13:49+08:00", "utc": "2000-10-24T09:13:49Z", "ms": 972378829117.4259 }, "end": { "local": "2000-10-24T18:56:18+08:00", "utc": "2000-10-24T10:56:18Z", "ms": 972384978423.4635 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "2000-10-25", "window": { "start": { "local": "2000-10-25T17:12:52+08:00", "utc": "2000-10-25T09:12:52Z", "ms": 972465172493.0621 }, "end": { "local": "2000-10-25T18:55:35+08:00", "utc": "2000-10-25T10:55:35Z", "ms": 972471335087.3381 } }, "covered_min": 44, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:27 on Tue 24 Oct to 17:56 on Wed 25 Oct.", "fact": "2000-10-24T11:26:54Z → 2000-10-25T09:56:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:56 on the 24th, 17:13–18:56 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 102 minutes on the 24th and 44 of 103 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1835 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Ningbo, 2000: Wednesday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-25", "confidence": "boundary" } ], "quote": "In Ningbo, Yama Dīpadāna 2000 falls on Wednesday 25 October. Trayodaśī runs from 19:27 on Tue 24 Oct to 17:56 on Wed 25 Oct and covers 44 of 103 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/pradosha-vrata?on=2000-10-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1835, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-10-24T19:26:54+08:00", "utc": "2000-10-24T11:26:54Z", "ms": 972386813631.7156 }, "end": { "local": "2000-10-25T17:56:23+08:00", "utc": "2000-10-25T09:56:23Z", "ms": 972467782546.2972 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-24T19:26:54+08:00", "utc": "2000-10-24T11:26:54Z", "ms": 972386813631.7156 }, "end": { "local": "2000-10-25T17:56:23+08:00", "utc": "2000-10-25T09:56:23Z", "ms": 972467782546.2972 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-10-24", "window": { "start": { "local": "2000-10-24T17:13:49+08:00", "utc": "2000-10-24T09:13:49Z", "ms": 972378829117.4259 }, "end": { "local": "2000-10-24T18:56:18+08:00", "utc": "2000-10-24T10:56:18Z", "ms": 972384978423.4635 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "2000-10-25", "window": { "start": { "local": "2000-10-25T17:12:52+08:00", "utc": "2000-10-25T09:12:52Z", "ms": 972465172493.0621 }, "end": { "local": "2000-10-25T18:55:35+08:00", "utc": "2000-10-25T10:55:35Z", "ms": 972471335087.3381 } }, "covered_min": 44, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:27 on Tue 24 Oct to 17:56 on Wed 25 Oct.", "fact": "2000-10-24T11:26:54Z → 2000-10-25T09:56:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:56 on the 24th, 17:13–18:56 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 102 minutes on the 24th and 44 of 103 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 1835 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ningbo, 2000: Wednesday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-25", "confidence": "boundary" } ], "quote": "In Ningbo, Kṛṣṇa Pradoṣa Vrata 2000 falls on Wednesday 25 October. Trayodaśī runs from 19:27 on Tue 24 Oct to 17:56 on Wed 25 Oct and covers 44 of 103 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-10-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shivaratri?on=2000-10-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19060, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-10-25T17:56:23+08:00", "utc": "2000-10-25T09:56:23Z", "ms": 972467782546.2972 }, "end": { "local": "2000-10-26T16:44:38+08:00", "utc": "2000-10-26T08:44:38Z", "ms": 972549878373.8063 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-25T17:56:23+08:00", "utc": "2000-10-25T09:56:23Z", "ms": 972467782546.2972 }, "end": { "local": "2000-10-26T16:44:38+08:00", "utc": "2000-10-26T08:44:38Z", "ms": 972549878373.8063 } }, "kaala": "nishita", "days": [ { "local_date": "2000-10-25", "window": { "start": { "local": "2000-10-25T23:14:02+08:00", "utc": "2000-10-25T15:14:02Z", "ms": 972486842221.5974 }, "end": { "local": "2000-10-26T00:02:02+08:00", "utc": "2000-10-25T16:02:02Z", "ms": 972489722221.5974 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-10-26", "window": { "start": { "local": "2000-10-26T23:13:56+08:00", "utc": "2000-10-26T15:13:56Z", "ms": 972573236157.6548 }, "end": { "local": "2000-10-27T00:01:56+08:00", "utc": "2000-10-26T16:01:56Z", "ms": 972576116157.6548 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:56 on Wed 25 Oct to 16:45 on Thu 26 Oct.", "fact": "2000-10-25T09:56:23Z → 2000-10-26T08:44:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:14–00:02 on the 25th, 23:14–00:02 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19060 s" }, { "step": "ruling", "text": "Śivarātri, Ningbo, 2000: Wednesday 25 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": "2000-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-25", "confidence": "determinate" } ], "quote": "In Ningbo, Śivarātri 2000 falls on Wednesday 25 October. Caturdaśī runs from 17:56 on Wed 25 Oct to 16:45 on Thu 26 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/shivaratri?on=2000-10-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37447, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-10-25T17:56:23+08:00", "utc": "2000-10-25T09:56:23Z", "ms": 972467782546.2972 }, "end": { "local": "2000-10-26T16:44:38+08:00", "utc": "2000-10-26T08:44:38Z", "ms": 972549878373.8063 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-25T17:56:23+08:00", "utc": "2000-10-25T09:56:23Z", "ms": 972467782546.2972 }, "end": { "local": "2000-10-26T16:44:38+08:00", "utc": "2000-10-26T08:44:38Z", "ms": 972549878373.8063 } }, "kaala": "arunodaya", "days": [ { "local_date": "2000-10-26", "window": { "start": { "local": "2000-10-26T04:20:29+08:00", "utc": "2000-10-25T20:20:29Z", "ms": 972505229355.8566 }, "end": { "local": "2000-10-26T06:03:12+08:00", "utc": "2000-10-25T22:03:12Z", "ms": 972511391950.1326 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2000-10-27", "window": { "start": { "local": "2000-10-27T04:21:00+08:00", "utc": "2000-10-26T20:21:00Z", "ms": 972591659606.9685 }, "end": { "local": "2000-10-27T06:03:55+08:00", "utc": "2000-10-26T22:03:55Z", "ms": 972597835406.719 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:56 on Wed 25 Oct to 16:45 on Thu 26 Oct.", "fact": "2000-10-25T09:56:23Z → 2000-10-26T08:44:38Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:20–06:03 on the 26th, 04:21–06:04 on the 27th.", "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 26th and 0 of 103 on the 27th.", "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 37447 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Ningbo, 2000: Thursday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-26", "confidence": "determinate" } ], "quote": "In Ningbo, Naraka Caturdaśī (Choti Diwali) 2000 falls on Thursday 26 October. Caturdaśī runs from 17:56 on Wed 25 Oct to 16:45 on Thu 26 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1639, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2000-10-26T16:44:38+08:00", "utc": "2000-10-26T08:44:38Z", "ms": 972549878373.8063 }, "end": { "local": "2000-10-27T15:58:01+08:00", "utc": "2000-10-27T07:58:01Z", "ms": 972633480673.718 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-26T16:44:38+08:00", "utc": "2000-10-26T08:44:38Z", "ms": 972549878373.8063 }, "end": { "local": "2000-10-27T15:58:01+08:00", "utc": "2000-10-27T07:58:01Z", "ms": 972633480673.718 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-10-26", "window": { "start": { "local": "2000-10-26T17:11:57+08:00", "utc": "2000-10-26T09:11:57Z", "ms": 972551516908.5907 }, "end": { "local": "2000-10-26T18:54:53+08:00", "utc": "2000-10-26T10:54:53Z", "ms": 972557692708.3412 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2000-10-27", "window": { "start": { "local": "2000-10-27T17:11:02+08:00", "utc": "2000-10-27T09:11:02Z", "ms": 972637862388.8278 }, "end": { "local": "2000-10-27T18:54:11+08:00", "utc": "2000-10-27T10:54:11Z", "ms": 972644051306.9861 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 16:45 on Thu 26 Oct to 15:58 on Fri 27 Oct.", "fact": "2000-10-26T08:44:38Z → 2000-10-27T07:58:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:12–18:55 on the 26th, 17:11–18:54 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 103 of 103 minutes on the 26th and 0 of 103 on the 27th.", "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 1639 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Ningbo, 2000: Thursday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-26", "confidence": "determinate" } ], "quote": "In Ningbo, Lakṣmī Pūjā (Diwali) 2000 falls on Thursday 26 October. Amāvasyā runs from 16:45 on Thu 26 Oct to 15:58 on Fri 27 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23358, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2000-10-26T16:44:38+08:00", "utc": "2000-10-26T08:44:38Z", "ms": 972549878373.8063 }, "end": { "local": "2000-10-27T15:58:01+08:00", "utc": "2000-10-27T07:58:01Z", "ms": 972633480673.718 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-26T16:44:38+08:00", "utc": "2000-10-26T08:44:38Z", "ms": 972549878373.8063 }, "end": { "local": "2000-10-27T15:58:01+08:00", "utc": "2000-10-27T07:58:01Z", "ms": 972633480673.718 } }, "kaala": "nishita", "days": [ { "local_date": "2000-10-26", "window": { "start": { "local": "2000-10-26T23:13:56+08:00", "utc": "2000-10-26T15:13:56Z", "ms": 972573236157.6548 }, "end": { "local": "2000-10-27T00:01:56+08:00", "utc": "2000-10-26T16:01:56Z", "ms": 972576116157.6548 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-10-27", "window": { "start": { "local": "2000-10-27T23:13:51+08:00", "utc": "2000-10-27T15:13:51Z", "ms": 972659630831.9216 }, "end": { "local": "2000-10-28T00:01:51+08:00", "utc": "2000-10-27T16:01:51Z", "ms": 972662510831.9216 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 16:45 on Thu 26 Oct to 15:58 on Fri 27 Oct.", "fact": "2000-10-26T08:44:38Z → 2000-10-27T07:58:01Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:14–00:02 on the 26th, 23:14–00:02 on the 27th.", "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 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23358 s" }, { "step": "ruling", "text": "Kālī Pūjā, Ningbo, 2000: Thursday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-26", "confidence": "determinate" } ], "quote": "In Ningbo, Kālī Pūjā 2000 falls on Thursday 26 October. Amāvasyā runs from 16:45 on Thu 26 Oct to 15:58 on Fri 27 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4382, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2000-10-27T15:58:01+08:00", "utc": "2000-10-27T07:58:01Z", "ms": 972633480673.718 }, "end": { "local": "2000-10-28T15:42:40+08:00", "utc": "2000-10-28T07:42:40Z", "ms": 972718960364.1305 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-27T15:58:01+08:00", "utc": "2000-10-27T07:58:01Z", "ms": 972633480673.718 }, "end": { "local": "2000-10-28T15:42:40+08:00", "utc": "2000-10-28T07:42:40Z", "ms": 972718960364.1305 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-10-27", "window": { "start": { "local": "2000-10-27T17:11:02+08:00", "utc": "2000-10-27T09:11:02Z", "ms": 972637862388.8278 }, "end": { "local": "2000-10-27T18:54:11+08:00", "utc": "2000-10-27T10:54:11Z", "ms": 972644051306.9861 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2000-10-28", "window": { "start": { "local": "2000-10-28T17:10:09+08:00", "utc": "2000-10-28T09:10:09Z", "ms": 972724208958.4763 }, "end": { "local": "2000-10-28T18:53:31+08:00", "utc": "2000-10-28T10:53:31Z", "ms": 972730410903.5592 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:58 on Fri 27 Oct to 15:43 on Sat 28 Oct.", "fact": "2000-10-27T07:58:01Z → 2000-10-28T07:42:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:54 on the 27th, 17:10–18:54 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 103 of 103 minutes on the 27th and 0 of 103 on the 28th.", "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 4382 s" }, { "step": "ruling", "text": "Bali Pūjā, Ningbo, 2000: Friday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-27", "confidence": "determinate" } ], "quote": "In Ningbo, Bali Pūjā 2000 falls on Friday 27 October. Pratipadā runs from 15:58 on Fri 27 Oct to 15:43 on Sat 28 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13276, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2000-10-27T15:58:01+08:00", "utc": "2000-10-27T07:58:01Z", "ms": 972633480673.718 }, "end": { "local": "2000-10-28T15:42:40+08:00", "utc": "2000-10-28T07:42:40Z", "ms": 972718960364.1305 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-27T15:58:01+08:00", "utc": "2000-10-27T07:58:01Z", "ms": 972633480673.718 }, "end": { "local": "2000-10-28T15:42:40+08:00", "utc": "2000-10-28T07:42:40Z", "ms": 972718960364.1305 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-10-27", "window": { "start": { "local": "2000-10-27T11:13:29+08:00", "utc": "2000-10-27T03:13:29Z", "ms": 972616408897.7734 }, "end": { "local": "2000-10-27T12:01:29+08:00", "utc": "2000-10-27T04:01:29Z", "ms": 972619288897.7734 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-10-28", "window": { "start": { "local": "2000-10-28T11:13:24+08:00", "utc": "2000-10-28T03:13:24Z", "ms": 972702804116.746 }, "end": { "local": "2000-10-28T12:01:24+08:00", "utc": "2000-10-28T04:01:24Z", "ms": 972705684116.746 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:58 on Fri 27 Oct to 15:43 on Sat 28 Oct.", "fact": "2000-10-27T07:58:01Z → 2000-10-28T07:42:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 27th, 11:13–12:01 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13276 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Ningbo, 2000: Saturday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-28", "confidence": "determinate" } ], "quote": "In Ningbo, Govardhana Pūjā 2000 falls on Saturday 28 October. Pratipadā runs from 15:58 on Fri 27 Oct to 15:43 on Sat 28 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21371, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2000-10-27T15:58:01+08:00", "utc": "2000-10-27T07:58:01Z", "ms": 972633480673.718 }, "end": { "local": "2000-10-28T15:42:40+08:00", "utc": "2000-10-28T07:42:40Z", "ms": 972718960364.1305 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-27T15:58:01+08:00", "utc": "2000-10-27T07:58:01Z", "ms": 972633480673.718 }, "end": { "local": "2000-10-28T15:42:40+08:00", "utc": "2000-10-28T07:42:40Z", "ms": 972718960364.1305 } }, "kaala": "purvahna", "days": [ { "local_date": "2000-10-27", "window": { "start": { "local": "2000-10-27T06:03:55+08:00", "utc": "2000-10-26T22:03:55Z", "ms": 972597835406.719 }, "end": { "local": "2000-10-27T09:46:18+08:00", "utc": "2000-10-27T01:46:18Z", "ms": 972611177734.0886 } }, "covered_min": 0, "window_min": 222, "qualifies": false }, { "local_date": "2000-10-28", "window": { "start": { "local": "2000-10-28T06:04:39+08:00", "utc": "2000-10-27T22:04:39Z", "ms": 972684279275.0156 }, "end": { "local": "2000-10-28T09:46:29+08:00", "utc": "2000-10-28T01:46:29Z", "ms": 972697589169.5026 } }, "covered_min": 222, "window_min": 222, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:58 on Fri 27 Oct to 15:43 on Sat 28 Oct.", "fact": "2000-10-27T07:58:01Z → 2000-10-28T07:42:40Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:04–09:46 on the 27th, 06:05–09:46 on the 28th.", "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 222 minutes on the 27th and 222 of 222 on the 28th.", "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 21371 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Ningbo, 2000: Saturday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-28", "confidence": "determinate" } ], "quote": "In Ningbo, Dyūta Pratipad 2000 falls on Saturday 28 October. Pratipadā runs from 15:58 on Fri 27 Oct to 15:43 on Sat 28 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13276, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2000-10-28T15:42:40+08:00", "utc": "2000-10-28T07:42:40Z", "ms": 972718960364.1305 }, "end": { "local": "2000-10-29T16:03:41+08:00", "utc": "2000-10-29T08:03:41Z", "ms": 972806620639.4559 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-28T15:42:40+08:00", "utc": "2000-10-28T07:42:40Z", "ms": 972718960364.1305 }, "end": { "local": "2000-10-29T16:03:41+08:00", "utc": "2000-10-29T08:03:41Z", "ms": 972806620639.4559 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-10-28", "window": { "start": { "local": "2000-10-28T11:13:24+08:00", "utc": "2000-10-28T03:13:24Z", "ms": 972702804116.746 }, "end": { "local": "2000-10-28T12:01:24+08:00", "utc": "2000-10-28T04:01:24Z", "ms": 972705684116.746 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-10-29", "window": { "start": { "local": "2000-10-29T11:13:20+08:00", "utc": "2000-10-29T03:13:20Z", "ms": 972789200094.4692 }, "end": { "local": "2000-10-29T12:01:20+08:00", "utc": "2000-10-29T04:01:20Z", "ms": 972792080094.4692 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 15:43 on Sat 28 Oct to 16:04 on Sun 29 Oct.", "fact": "2000-10-28T07:42:40Z → 2000-10-29T08:03:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 28th, 11:13–12:01 on the 29th.", "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 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13276 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Ningbo, 2000: Sunday 29 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-29", "confidence": "determinate" } ], "quote": "In Ningbo, Yama Dvitīyā (Bhai Dooj) 2000 falls on Sunday 29 October. Dvitīyā runs from 15:43 on Sat 28 Oct to 16:04 on Sun 29 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18148, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-10-30T17:03:45+08:00", "utc": "2000-10-30T09:03:45Z", "ms": 972896625325.7764 }, "end": { "local": "2000-10-31T18:42:03+08:00", "utc": "2000-10-31T10:42:03Z", "ms": 972988923429.2902 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-30T17:03:45+08:00", "utc": "2000-10-30T09:03:45Z", "ms": 972896625325.7764 }, "end": { "local": "2000-10-31T18:42:03+08:00", "utc": "2000-10-31T10:42:03Z", "ms": 972988923429.2902 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-10-30", "window": { "start": { "local": "2000-10-30T11:13:17+08:00", "utc": "2000-10-30T03:13:17Z", "ms": 972875596838.8601 }, "end": { "local": "2000-10-30T12:01:17+08:00", "utc": "2000-10-30T04:01:17Z", "ms": 972878476838.8601 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-10-31", "window": { "start": { "local": "2000-10-31T11:13:14+08:00", "utc": "2000-10-31T03:13:14Z", "ms": 972961994357.6611 }, "end": { "local": "2000-10-31T12:01:14+08:00", "utc": "2000-10-31T04:01:14Z", "ms": 972964874357.6611 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:04 on Mon 30 Oct to 18:42 on Tue 31 Oct.", "fact": "2000-10-30T09:03:45Z → 2000-10-31T10:42:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 30th, 11:13–12:01 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18148 s" }, { "step": "ruling", "text": "Nāga Caturthī, Ningbo, 2000: Tuesday 31 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-31", "confidence": "determinate" } ], "quote": "In Ningbo, Nāga Caturthī 2000 falls on Tuesday 31 October. Caturthī runs from 17:04 on Mon 30 Oct to 18:42 on Tue 31 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-10-31", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18148, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-10-30T17:03:45+08:00", "utc": "2000-10-30T09:03:45Z", "ms": 972896625325.7764 }, "end": { "local": "2000-10-31T18:42:03+08:00", "utc": "2000-10-31T10:42:03Z", "ms": 972988923429.2902 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-10-30T17:03:45+08:00", "utc": "2000-10-30T09:03:45Z", "ms": 972896625325.7764 }, "end": { "local": "2000-10-31T18:42:03+08:00", "utc": "2000-10-31T10:42:03Z", "ms": 972988923429.2902 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-10-30", "window": { "start": { "local": "2000-10-30T11:13:17+08:00", "utc": "2000-10-30T03:13:17Z", "ms": 972875596838.8601 }, "end": { "local": "2000-10-30T12:01:17+08:00", "utc": "2000-10-30T04:01:17Z", "ms": 972878476838.8601 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-10-31", "window": { "start": { "local": "2000-10-31T11:13:14+08:00", "utc": "2000-10-31T03:13:14Z", "ms": 972961994357.6611 }, "end": { "local": "2000-10-31T12:01:14+08:00", "utc": "2000-10-31T04:01:14Z", "ms": 972964874357.6611 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:04 on Mon 30 Oct to 18:42 on Tue 31 Oct.", "fact": "2000-10-30T09:03:45Z → 2000-10-31T10:42:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 30th, 11:13–12:01 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18148 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ningbo, 2000: Tuesday 31 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": "2000-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-10-31", "confidence": "determinate" } ], "quote": "In Ningbo, Vināyaka Caturthī 2000 falls on Tuesday 31 October. Caturthī runs from 17:04 on Mon 30 Oct to 18:42 on Tue 31 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-10-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31916, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2000-11-01T20:53:08+08:00", "utc": "2000-11-01T12:53:08Z", "ms": 973083188423.1411 }, "end": { "local": "2000-11-02T23:26:40+08:00", "utc": "2000-11-02T15:26:40Z", "ms": 973178799722.2487 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-11-01T20:53:08+08:00", "utc": "2000-11-01T12:53:08Z", "ms": 973083188423.1411 }, "end": { "local": "2000-11-02T23:26:40+08:00", "utc": "2000-11-02T15:26:40Z", "ms": 973178799722.2487 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-11-01", "window": { "start": { "local": "2000-11-01T11:13:13+08:00", "utc": "2000-11-01T03:13:13Z", "ms": 973048392658.4539 }, "end": { "local": "2000-11-01T12:01:13+08:00", "utc": "2000-11-01T04:01:13Z", "ms": 973051272658.4539 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-11-02", "window": { "start": { "local": "2000-11-02T11:13:12+08:00", "utc": "2000-11-02T03:13:12Z", "ms": 973134791748.6237 }, "end": { "local": "2000-11-02T12:01:12+08:00", "utc": "2000-11-02T04:01:12Z", "ms": 973137671748.6237 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:53 on Wed 1 Nov to 23:27 on Thu 2 Nov.", "fact": "2000-11-01T12:53:08Z → 2000-11-02T15:26:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 1st, 11:13–12:01 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31916 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Ningbo, 2000: Thursday 2 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": "2000-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-11-02", "confidence": "determinate" } ], "quote": "In Ningbo, Sūrya Ṣaṣṭhī (Chhath) 2000 falls on Thursday 2 November. Ṣaṣṭhī runs from 20:53 on Wed 1 Nov to 23:27 on Thu 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23516, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2000-11-04T02:08:12+08:00", "utc": "2000-11-03T18:08:12Z", "ms": 973274892069.6942 }, "end": { "local": "2000-11-05T04:41:18+08:00", "utc": "2000-11-04T20:41:18Z", "ms": 973370477753.2734 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-11-04T02:08:12+08:00", "utc": "2000-11-03T18:08:12Z", "ms": 973274892069.6942 }, "end": { "local": "2000-11-05T04:41:18+08:00", "utc": "2000-11-04T20:41:18Z", "ms": 973370477753.2734 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-11-04", "window": { "start": { "local": "2000-11-04T11:13:12+08:00", "utc": "2000-11-04T03:13:12Z", "ms": 973307592325.9578 }, "end": { "local": "2000-11-04T12:01:12+08:00", "utc": "2000-11-04T04:01:12Z", "ms": 973310472325.9578 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-11-05", "window": { "start": { "local": "2000-11-05T11:13:14+08:00", "utc": "2000-11-05T03:13:14Z", "ms": 973393993826.7751 }, "end": { "local": "2000-11-05T12:01:14+08:00", "utc": "2000-11-05T04:01:14Z", "ms": 973396873826.7751 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:08 on Sat 4 Nov to 04:41 on Sun 5 Nov.", "fact": "2000-11-03T18:08:12Z → 2000-11-04T20:41:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 4th, 11:13–12:01 on the 5th.", "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 4th and 0 of 48 on the 5th.", "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 23516 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Ningbo, 2000: Saturday 4 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": "2000-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-11-04", "confidence": "determinate" } ], "quote": "In Ningbo, Gopāṣṭamī 2000 falls on Saturday 4 November. Aṣṭamī runs from 02:08 on Sat 4 Nov to 04:41 on Sun 5 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-11-05", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2321, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2000-11-05T04:41:18+08:00", "utc": "2000-11-04T20:41:18Z", "ms": 973370477753.2734 }, "end": { "local": "2000-11-06T06:50:12+08:00", "utc": "2000-11-05T22:50:12Z", "ms": 973464612237.7811 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-11-05T04:41:18+08:00", "utc": "2000-11-04T20:41:18Z", "ms": 973370477753.2734 }, "end": { "local": "2000-11-06T06:50:12+08:00", "utc": "2000-11-05T22:50:12Z", "ms": 973464612237.7811 } }, "kaala": "purvahna", "days": [ { "local_date": "2000-11-05", "window": { "start": { "local": "2000-11-05T06:10:44+08:00", "utc": "2000-11-04T22:10:44Z", "ms": 973375843893.8021 }, "end": { "local": "2000-11-05T09:48:24+08:00", "utc": "2000-11-05T01:48:24Z", "ms": 973388903849.1176 } }, "covered_min": 218, "window_min": 218, "qualifies": true }, { "local_date": "2000-11-06", "window": { "start": { "local": "2000-11-06T06:11:31+08:00", "utc": "2000-11-05T22:11:31Z", "ms": 973462291012.7433 }, "end": { "local": "2000-11-06T09:48:41+08:00", "utc": "2000-11-06T01:48:41Z", "ms": 973475321100.4432 } }, "covered_min": 39, "window_min": 217, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Navamī runs from 04:41 on Sun 5 Nov to 06:50 on Mon 6 Nov.", "fact": "2000-11-04T20:41:18Z → 2000-11-05T22:50:12Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:11–09:48 on the 5th, 06:12–09:49 on the 6th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 218 of 218 minutes on the 5th and 39 of 217 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2321 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Ningbo, 2000: Sunday 5 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2000-11-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-11-05", "confidence": "boundary" } ], "quote": "In Ningbo, Akṣaya Navamī (Amla Navami) 2000 falls on Sunday 5 November. Navamī runs from 04:41 on Sun 5 Nov to 06:50 on Mon 6 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the next forenoon for 39 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/ningbo/festivals/2000/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": "/ningbo/festivals/2000/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15784, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2000-11-05T04:41:18+08:00", "utc": "2000-11-04T20:41:18Z", "ms": 973370477753.2734 }, "end": { "local": "2000-11-06T06:50:12+08:00", "utc": "2000-11-05T22:50:12Z", "ms": 973464612237.7811 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-11-05T04:41:18+08:00", "utc": "2000-11-04T20:41:18Z", "ms": 973370477753.2734 }, "end": { "local": "2000-11-06T06:50:12+08:00", "utc": "2000-11-05T22:50:12Z", "ms": 973464612237.7811 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-11-05", "window": { "start": { "local": "2000-11-05T11:13:14+08:00", "utc": "2000-11-05T03:13:14Z", "ms": 973393993826.7751 }, "end": { "local": "2000-11-05T12:01:14+08:00", "utc": "2000-11-05T04:01:14Z", "ms": 973396873826.7751 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-11-06", "window": { "start": { "local": "2000-11-06T11:13:16+08:00", "utc": "2000-11-06T03:13:16Z", "ms": 973480396144.2932 }, "end": { "local": "2000-11-06T12:01:16+08:00", "utc": "2000-11-06T04:01:16Z", "ms": 973483276144.2932 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 04:41 on Sun 5 Nov to 06:50 on Mon 6 Nov.", "fact": "2000-11-04T20:41:18Z → 2000-11-05T22:50:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 5th, 11:13–12:01 on the 6th.", "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 5th and 0 of 48 on the 6th.", "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 15784 s" }, { "step": "ruling", "text": "Durgā Navamī, Ningbo, 2000: Sunday 5 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": "2000-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-11-05", "confidence": "determinate" } ], "quote": "In Ningbo, Durgā Navamī 2000 falls on Sunday 5 November. Navamī runs from 04:41 on Sun 5 Nov to 06:50 on Mon 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-11-08", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7811, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-11-07T08:22:29+08:00", "utc": "2000-11-07T00:22:29Z", "ms": 973556548950.2863 }, "end": { "local": "2000-11-08T09:10:35+08:00", "utc": "2000-11-08T01:10:35Z", "ms": 973645834634.2651 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-11-07T08:22:29+08:00", "utc": "2000-11-07T00:22:29Z", "ms": 973556548950.2863 }, "end": { "local": "2000-11-08T09:10:35+08:00", "utc": "2000-11-08T01:10:35Z", "ms": 973645834634.2651 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-11-07", "window": { "start": { "local": "2000-11-07T06:12:18+08:00", "utc": "2000-11-06T22:12:18Z", "ms": 973548738432.0021 }, "end": { "local": "2000-11-07T06:12:18+08:00", "utc": "2000-11-06T22:12:18Z", "ms": 973548738432.0021 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-11-08", "window": { "start": { "local": "2000-11-08T06:13:06+08:00", "utc": "2000-11-07T22:13:06Z", "ms": 973635186137.5063 }, "end": { "local": "2000-11-08T06:13:06+08:00", "utc": "2000-11-07T22:13:06Z", "ms": 973635186137.5063 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:22 on Tue 7 Nov to 09:11 on Wed 8 Nov.", "fact": "2000-11-07T00:22:29Z → 2000-11-08T01:10:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 7th and 06:13 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 7811 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Ningbo, 2000: Wednesday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-11-08", "confidence": "determinate" } ], "quote": "In Ningbo, Prabodhinī Ekādaśī 2000 falls on Wednesday 8 November. Ekādaśī runs from 08:22 on Tue 7 Nov to 09:11 on Wed 8 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-11-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-11-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28134, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-11-09T09:12:08+08:00", "utc": "2000-11-09T01:12:08Z", "ms": 973732328414.7734 }, "end": { "local": "2000-11-10T08:29:20+08:00", "utc": "2000-11-10T00:29:20Z", "ms": 973816160331.0717 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-11-09T09:12:08+08:00", "utc": "2000-11-09T01:12:08Z", "ms": 973732328414.7734 }, "end": { "local": "2000-11-10T08:29:20+08:00", "utc": "2000-11-10T00:29:20Z", "ms": 973816160331.0717 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-11-09", "window": { "start": { "local": "2000-11-09T17:01:02+08:00", "utc": "2000-11-09T09:01:02Z", "ms": 973760461998.8331 }, "end": { "local": "2000-11-09T18:46:51+08:00", "utc": "2000-11-09T10:46:51Z", "ms": 973766811378.9258 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2000-11-10", "window": { "start": { "local": "2000-11-10T17:00:25+08:00", "utc": "2000-11-10T09:00:25Z", "ms": 973846825050.4873 }, "end": { "local": "2000-11-10T18:46:26+08:00", "utc": "2000-11-10T10:46:26Z", "ms": 973853185820.6512 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:12 on Thu 9 Nov to 08:29 on Fri 10 Nov.", "fact": "2000-11-09T01:12:08Z → 2000-11-10T00:29:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:01–18:47 on the 9th, 17:00–18:46 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 9th and 0 of 106 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 28134 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ningbo, 2000: Thursday 9 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": "2000-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-11-09", "confidence": "determinate" } ], "quote": "In Ningbo, Śukla Pradoṣa Vrata 2000 falls on Thursday 9 November. Trayodaśī runs from 09:12 on Thu 9 Nov to 08:29 on Fri 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-11-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14761, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-11-11T07:07:39+08:00", "utc": "2000-11-10T23:07:39Z", "ms": 973897659350.042 }, "end": { "local": "2000-11-12T05:14:37+08:00", "utc": "2000-11-11T21:14:37Z", "ms": 973977276894.4935 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-11-11T07:07:39+08:00", "utc": "2000-11-10T23:07:39Z", "ms": 973897659350.042 }, "end": { "local": "2000-11-12T05:14:37+08:00", "utc": "2000-11-11T21:14:37Z", "ms": 973977276894.4935 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-11-11", "window": { "start": { "local": "2000-11-11T11:13:40+08:00", "utc": "2000-11-11T03:13:40Z", "ms": 973912420188.4006 }, "end": { "local": "2000-11-11T12:01:40+08:00", "utc": "2000-11-11T04:01:40Z", "ms": 973915300188.4006 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-11-12", "window": { "start": { "local": "2000-11-12T11:13:48+08:00", "utc": "2000-11-12T03:13:48Z", "ms": 973998827527.1313 }, "end": { "local": "2000-11-12T12:01:48+08:00", "utc": "2000-11-12T04:01:48Z", "ms": 974001707527.1313 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:08 on Sat 11 Nov to 05:15 on Sun 12 Nov.", "fact": "2000-11-10T23:07:39Z → 2000-11-11T21:14:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 11th, 11:14–12:02 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14761 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Ningbo, 2000: Saturday 11 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": "2000-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-11-11", "confidence": "determinate" } ], "quote": "In Ningbo, Kārtikī Pūrṇimā 2000 falls on Saturday 11 November. Pūrṇimā runs from 07:08 on Sat 11 Nov to 05:15 on Sun 12 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18752, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-11-11T07:07:39+08:00", "utc": "2000-11-10T23:07:39Z", "ms": 973897659350.042 }, "end": { "local": "2000-11-12T05:14:37+08:00", "utc": "2000-11-11T21:14:37Z", "ms": 973977276894.4935 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2000-11-11T07:07:39+08:00", "utc": "2000-11-10T23:07:39Z", "ms": 973897659350.042 }, "end": { "local": "2000-11-12T05:14:37+08:00", "utc": "2000-11-11T21:14:37Z", "ms": 973977276894.4935 } }, "kaala": "nishita", "days": [ { "local_date": "2000-11-10", "window": { "start": { "local": "2000-11-10T23:13:58+08:00", "utc": "2000-11-10T15:13:58Z", "ms": 973869237938.602 }, "end": { "local": "2000-11-11T00:01:58+08:00", "utc": "2000-11-10T16:01:58Z", "ms": 973872117938.602 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-11-11", "window": { "start": { "local": "2000-11-11T23:14:05+08:00", "utc": "2000-11-11T15:14:05Z", "ms": 973955644540.7461 }, "end": { "local": "2000-11-12T00:02:05+08:00", "utc": "2000-11-11T16:02:05Z", "ms": 973958524540.7461 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:08 on Sat 11 Nov to 05:15 on Sun 12 Nov.", "fact": "2000-11-10T23:07:39Z → 2000-11-11T21:14:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:14–00:02 on the 10th, 23:14–00:02 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18752 s" }, { "step": "ruling", "text": "Rāsayātrā, Ningbo, 2000: Saturday 11 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": "2000-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-11-11", "confidence": "determinate" } ], "quote": "In Ningbo, Rāsayātrā 2000 falls on Saturday 11 November. Pūrṇimā runs from 07:08 on Sat 11 Nov to 05:15 on Sun 12 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/sankashta-chaturthi?on=2000-11-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-11-14", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3485, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-11-14T21:51:40+08:00", "utc": "2000-11-14T13:51:40Z", "ms": 974209900037.0591 }, "end": { "local": "2000-11-15T19:15:34+08:00", "utc": "2000-11-15T11:15:34Z", "ms": 974286933659.4631 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-11-14T21:51:40+08:00", "utc": "2000-11-14T13:51:40Z", "ms": 974209900037.0591 }, "end": { "local": "2000-11-15T19:15:34+08:00", "utc": "2000-11-15T11:15:34Z", "ms": 974286933659.4631 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-11-14", "window": { "start": { "local": "2000-11-14T19:14:48+08:00", "utc": "2000-11-14T11:14:48Z", "ms": 974200488192.9691 }, "end": { "local": "2000-11-14T19:14:48+08:00", "utc": "2000-11-14T11:14:48Z", "ms": 974200488192.9691 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-11-15", "window": { "start": { "local": "2000-11-15T20:13:39+08:00", "utc": "2000-11-15T12:13:39Z", "ms": 974290419015.6603 }, "end": { "local": "2000-11-15T20:13:39+08:00", "utc": "2000-11-15T12:13:39Z", "ms": 974290419015.6603 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:52 on Tue 14 Nov to 19:16 on Wed 15 Nov.", "fact": "2000-11-14T13:51:40Z → 2000-11-15T11:15:34Z" }, { "step": "kaala", "text": "Moonrise is at 19:15 on the 14th and 20:14 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 3485 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ningbo, 2000: Tuesday 14 November.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-11-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-11-14", "confidence": "boundary" } ], "quote": "In Ningbo, Saṅkaṣṭa Caturthī 2000 falls on Tuesday 14 November. Caturthī runs from 21:52 on Tue 14 Nov to 19:16 on Wed 15 Nov, and is current at moonrise on neither day.", "cite": "https://ahargana.org/ningbo/festivals/2000/sankashta-chaturthi?on=2000-11-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/ekadashi?on=2000-11-22", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1554, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-11-21T07:45:05+08:00", "utc": "2000-11-20T23:45:05Z", "ms": 974763904595.5885 }, "end": { "local": "2000-11-22T06:50:29+08:00", "utc": "2000-11-21T22:50:29Z", "ms": 974847028686.4519 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-11-21T07:45:05+08:00", "utc": "2000-11-20T23:45:05Z", "ms": 974763904595.5885 }, "end": { "local": "2000-11-22T06:50:29+08:00", "utc": "2000-11-21T22:50:29Z", "ms": 974847028686.4519 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-11-21", "window": { "start": { "local": "2000-11-21T06:23:45+08:00", "utc": "2000-11-20T22:23:45Z", "ms": 974759024974.9409 }, "end": { "local": "2000-11-21T06:23:45+08:00", "utc": "2000-11-20T22:23:45Z", "ms": 974759024974.9409 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-11-22", "window": { "start": { "local": "2000-11-22T06:24:35+08:00", "utc": "2000-11-21T22:24:35Z", "ms": 974845474790.7611 }, "end": { "local": "2000-11-22T06:24:35+08:00", "utc": "2000-11-21T22:24:35Z", "ms": 974845474790.7611 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:45 on Tue 21 Nov to 06:50 on Wed 22 Nov.", "fact": "2000-11-20T23:45:05Z → 2000-11-21T22:50:29Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 21st and 06:25 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1554 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Ningbo, 2000: Wednesday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-11-22", "confidence": "determinate" } ], "quote": "In Ningbo, Utpannā Ekādaśī 2000 falls on Wednesday 22 November. Ekādaśī runs from 07:45 on Tue 21 Nov to 06:50 on Wed 22 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-11-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-11-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38246, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-11-23T06:17:19+08:00", "utc": "2000-11-22T22:17:19Z", "ms": 974931438586.2885 }, "end": { "local": "2000-11-24T06:07:57+08:00", "utc": "2000-11-23T22:07:57Z", "ms": 975017276862.6104 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-11-23T06:17:19+08:00", "utc": "2000-11-22T22:17:19Z", "ms": 974931438586.2885 }, "end": { "local": "2000-11-24T06:07:57+08:00", "utc": "2000-11-23T22:07:57Z", "ms": 975017276862.6104 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-11-23", "window": { "start": { "local": "2000-11-23T16:54:45+08:00", "utc": "2000-11-23T08:54:45Z", "ms": 974969684801.6373 }, "end": { "local": "2000-11-23T18:42:57+08:00", "utc": "2000-11-23T10:42:57Z", "ms": 974976176724.173 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2000-11-24", "window": { "start": { "local": "2000-11-24T16:54:30+08:00", "utc": "2000-11-24T08:54:30Z", "ms": 975056070045.8906 }, "end": { "local": "2000-11-24T18:42:51+08:00", "utc": "2000-11-24T10:42:51Z", "ms": 975062570540.6056 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:17 on Thu 23 Nov to 06:08 on Fri 24 Nov.", "fact": "2000-11-22T22:17:19Z → 2000-11-23T22:07:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:55–18:43 on the 23rd, 16:55–18:43 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 108 of 108 minutes on the 23rd and 0 of 108 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 38246 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ningbo, 2000: Thursday 23 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-11-23", "confidence": "determinate" } ], "quote": "In Ningbo, Kṛṣṇa Pradoṣa Vrata 2000 falls on Thursday 23 November. Trayodaśī runs from 06:17 on Thu 23 Nov to 06:08 on Fri 24 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-11-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shivaratri?on=2000-11-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21807, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-11-24T06:07:57+08:00", "utc": "2000-11-23T22:07:57Z", "ms": 975017276862.6104 }, "end": { "local": "2000-11-25T06:25:06+08:00", "utc": "2000-11-24T22:25:06Z", "ms": 975104705930.4928 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-11-24T06:07:57+08:00", "utc": "2000-11-23T22:07:57Z", "ms": 975017276862.6104 }, "end": { "local": "2000-11-25T06:25:06+08:00", "utc": "2000-11-24T22:25:06Z", "ms": 975104705930.4928 } }, "kaala": "nishita", "days": [ { "local_date": "2000-11-23", "window": { "start": { "local": "2000-11-23T23:16:30+08:00", "utc": "2000-11-23T15:16:30Z", "ms": 974992589511.146 }, "end": { "local": "2000-11-24T00:04:30+08:00", "utc": "2000-11-23T16:04:30Z", "ms": 974995469511.146 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-11-24", "window": { "start": { "local": "2000-11-24T23:16:47+08:00", "utc": "2000-11-24T15:16:47Z", "ms": 975079006901.0718 }, "end": { "local": "2000-11-25T00:04:47+08:00", "utc": "2000-11-24T16:04:47Z", "ms": 975081886901.0718 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:08 on Fri 24 Nov to 06:25 on Sat 25 Nov.", "fact": "2000-11-23T22:07:57Z → 2000-11-24T22:25:06Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:16–00:04 on the 23rd, 23:17–00:05 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21807 s" }, { "step": "ruling", "text": "Śivarātri, Ningbo, 2000: Friday 24 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": "2000-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-11-24", "confidence": "determinate" } ], "quote": "In Ningbo, Śivarātri 2000 falls on Friday 24 November. Caturdaśī runs from 06:08 on Fri 24 Nov to 06:25 on Sat 25 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/shivaratri?on=2000-11-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-11-30", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1428, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-11-29T12:29:49+08:00", "utc": "2000-11-29T04:29:49Z", "ms": 975472188606.5931 }, "end": { "local": "2000-11-30T15:04:45+08:00", "utc": "2000-11-30T07:04:45Z", "ms": 975567884932.4707 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-11-29T12:29:49+08:00", "utc": "2000-11-29T04:29:49Z", "ms": 975472188606.5931 }, "end": { "local": "2000-11-30T15:04:45+08:00", "utc": "2000-11-30T07:04:45Z", "ms": 975567884932.4707 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-11-29", "window": { "start": { "local": "2000-11-29T11:18:01+08:00", "utc": "2000-11-29T03:18:01Z", "ms": 975467880693.0743 }, "end": { "local": "2000-11-29T12:06:01+08:00", "utc": "2000-11-29T04:06:01Z", "ms": 975470760693.0743 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-11-30", "window": { "start": { "local": "2000-11-30T11:18:23+08:00", "utc": "2000-11-30T03:18:23Z", "ms": 975554302517.915 }, "end": { "local": "2000-11-30T12:06:23+08:00", "utc": "2000-11-30T04:06:23Z", "ms": 975557182517.915 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:30 on Wed 29 Nov to 15:05 on Thu 30 Nov.", "fact": "2000-11-29T04:29:49Z → 2000-11-30T07:04:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:18–12:06 on the 29th, 11:18–12:06 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1428 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ningbo, 2000: Thursday 30 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": "2000-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-11-30", "confidence": "boundary" } ], "quote": "In Ningbo, Vināyaka Caturthī 2000 falls on Thursday 30 November. Caturthī runs from 12:30 on Wed 29 Nov to 15:05 on Thu 30 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-11-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10702, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2000-11-30T15:04:45+08:00", "utc": "2000-11-30T07:04:45Z", "ms": 975567884932.4707 }, "end": { "local": "2000-12-01T17:49:43+08:00", "utc": "2000-12-01T09:49:43Z", "ms": 975664183287.6279 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-11-30T15:04:45+08:00", "utc": "2000-11-30T07:04:45Z", "ms": 975567884932.4707 }, "end": { "local": "2000-12-01T17:49:43+08:00", "utc": "2000-12-01T09:49:43Z", "ms": 975664183287.6279 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-11-30", "window": { "start": { "local": "2000-11-30T11:18:23+08:00", "utc": "2000-11-30T03:18:23Z", "ms": 975554302517.915 }, "end": { "local": "2000-11-30T12:06:23+08:00", "utc": "2000-11-30T04:06:23Z", "ms": 975557182517.915 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-12-01", "window": { "start": { "local": "2000-12-01T11:18:45+08:00", "utc": "2000-12-01T03:18:45Z", "ms": 975640724995.6526 }, "end": { "local": "2000-12-01T12:06:45+08:00", "utc": "2000-12-01T04:06:45Z", "ms": 975643604995.6526 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:05 on Thu 30 Nov to 17:50 on Fri 1 Dec.", "fact": "2000-11-30T07:04:45Z → 2000-12-01T09:49:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:18–12:06 on the 30th, 11:19–12:07 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10702 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Ningbo, 2000: Friday 1 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-12-01", "confidence": "determinate" } ], "quote": "In Ningbo, Nāga Pañcamī (Mārgaśīrṣa) 2000 falls on Friday 1 December. Pañcamī runs from 15:05 on Thu 30 Nov to 17:50 on Fri 1 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20578, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2000-12-01T17:49:43+08:00", "utc": "2000-12-01T09:49:43Z", "ms": 975664183287.6279 }, "end": { "local": "2000-12-02T20:31:18+08:00", "utc": "2000-12-02T12:31:18Z", "ms": 975760278027.5887 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-12-01T17:49:43+08:00", "utc": "2000-12-01T09:49:43Z", "ms": 975664183287.6279 }, "end": { "local": "2000-12-02T20:31:18+08:00", "utc": "2000-12-02T12:31:18Z", "ms": 975760278027.5887 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-12-01", "window": { "start": { "local": "2000-12-01T11:18:45+08:00", "utc": "2000-12-01T03:18:45Z", "ms": 975640724995.6526 }, "end": { "local": "2000-12-01T12:06:45+08:00", "utc": "2000-12-01T04:06:45Z", "ms": 975643604995.6526 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-12-02", "window": { "start": { "local": "2000-12-02T11:19:08+08:00", "utc": "2000-12-02T03:19:08Z", "ms": 975727148102.8433 }, "end": { "local": "2000-12-02T12:07:08+08:00", "utc": "2000-12-02T04:07:08Z", "ms": 975730028102.8433 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:50 on Fri 1 Dec to 20:31 on Sat 2 Dec.", "fact": "2000-12-01T09:49:43Z → 2000-12-02T12:31:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:19–12:07 on the 1st, 11:19–12:07 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20578 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Ningbo, 2000: Saturday 2 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": "2000-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-12-02", "confidence": "determinate" } ], "quote": "In Ningbo, Campā Ṣaṣṭhī 2000 falls on Saturday 2 December. Ṣaṣṭhī runs from 17:50 on Fri 1 Dec to 20:31 on Sat 2 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20578, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2000-12-01T17:49:43+08:00", "utc": "2000-12-01T09:49:43Z", "ms": 975664183287.6279 }, "end": { "local": "2000-12-02T20:31:18+08:00", "utc": "2000-12-02T12:31:18Z", "ms": 975760278027.5887 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-12-01T17:49:43+08:00", "utc": "2000-12-01T09:49:43Z", "ms": 975664183287.6279 }, "end": { "local": "2000-12-02T20:31:18+08:00", "utc": "2000-12-02T12:31:18Z", "ms": 975760278027.5887 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-12-01", "window": { "start": { "local": "2000-12-01T11:18:45+08:00", "utc": "2000-12-01T03:18:45Z", "ms": 975640724995.6526 }, "end": { "local": "2000-12-01T12:06:45+08:00", "utc": "2000-12-01T04:06:45Z", "ms": 975643604995.6526 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-12-02", "window": { "start": { "local": "2000-12-02T11:19:08+08:00", "utc": "2000-12-02T03:19:08Z", "ms": 975727148102.8433 }, "end": { "local": "2000-12-02T12:07:08+08:00", "utc": "2000-12-02T04:07:08Z", "ms": 975730028102.8433 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:50 on Fri 1 Dec to 20:31 on Sat 2 Dec.", "fact": "2000-12-01T09:49:43Z → 2000-12-02T12:31:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:19–12:07 on the 1st, 11:19–12:07 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20578 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Ningbo, 2000: Saturday 2 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": "2000-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-12-02", "confidence": "determinate" } ], "quote": "In Ningbo, Skanda Ṣaṣṭhī 2000 falls on Saturday 2 December. Ṣaṣṭhī runs from 17:50 on Fri 1 Dec to 20:31 on Sat 2 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30250, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2000-12-02T20:31:18+08:00", "utc": "2000-12-02T12:31:18Z", "ms": 975760278027.5887 }, "end": { "local": "2000-12-03T22:54:47+08:00", "utc": "2000-12-03T14:54:47Z", "ms": 975855287377.4618 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-12-02T20:31:18+08:00", "utc": "2000-12-02T12:31:18Z", "ms": 975760278027.5887 }, "end": { "local": "2000-12-03T22:54:47+08:00", "utc": "2000-12-03T14:54:47Z", "ms": 975855287377.4618 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-12-02", "window": { "start": { "local": "2000-12-02T11:19:08+08:00", "utc": "2000-12-02T03:19:08Z", "ms": 975727148102.8433 }, "end": { "local": "2000-12-02T12:07:08+08:00", "utc": "2000-12-02T04:07:08Z", "ms": 975730028102.8433 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2000-12-03", "window": { "start": { "local": "2000-12-03T11:19:32+08:00", "utc": "2000-12-03T03:19:32Z", "ms": 975813571815.6251 }, "end": { "local": "2000-12-03T12:07:32+08:00", "utc": "2000-12-03T04:07:32Z", "ms": 975816451815.6251 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:31 on Sat 2 Dec to 22:55 on Sun 3 Dec.", "fact": "2000-12-02T12:31:18Z → 2000-12-03T14:54:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:19–12:07 on the 2nd, 11:20–12:08 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30250 s" }, { "step": "ruling", "text": "Mitra Saptamī, Ningbo, 2000: Sunday 3 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": "2000-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-12-03", "confidence": "determinate" } ], "quote": "In Ningbo, Mitra Saptamī 2000 falls on Sunday 3 December. Saptamī runs from 20:31 on Sat 2 Dec to 22:55 on Sun 3 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/ekadashi?on=2000-12-07", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15611, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-12-07T02:16:21+08:00", "utc": "2000-12-06T18:16:21Z", "ms": 976126580656.2762 }, "end": { "local": "2000-12-08T01:46:51+08:00", "utc": "2000-12-07T17:46:51Z", "ms": 976211210757.9825 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-12-07T02:16:21+08:00", "utc": "2000-12-06T18:16:21Z", "ms": 976126580656.2762 }, "end": { "local": "2000-12-08T01:46:51+08:00", "utc": "2000-12-07T17:46:51Z", "ms": 976211210757.9825 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-12-07", "window": { "start": { "local": "2000-12-07T06:36:32+08:00", "utc": "2000-12-06T22:36:32Z", "ms": 976142192148.8868 }, "end": { "local": "2000-12-07T06:36:32+08:00", "utc": "2000-12-06T22:36:32Z", "ms": 976142192148.8868 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-12-08", "window": { "start": { "local": "2000-12-08T06:37:16+08:00", "utc": "2000-12-07T22:37:16Z", "ms": 976228636014.0004 }, "end": { "local": "2000-12-08T06:37:16+08:00", "utc": "2000-12-07T22:37:16Z", "ms": 976228636014.0004 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:16 on Thu 7 Dec to 01:47 on Fri 8 Dec.", "fact": "2000-12-06T18:16:21Z → 2000-12-07T17:46:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 7th and 06:37 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15611 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Ningbo, 2000: Thursday 7 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": "2000-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-12-07", "confidence": "determinate" } ], "quote": "In Ningbo, Mokṣadā Ekādaśī 2000 falls on Thursday 7 December. Ekādaśī runs from 02:16 on Thu 7 Dec to 01:47 on Fri 8 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-12-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34488, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2000-12-08T01:46:51+08:00", "utc": "2000-12-07T17:46:51Z", "ms": 976211210757.9825 }, "end": { "local": "2000-12-09T00:29:55+08:00", "utc": "2000-12-08T16:29:55Z", "ms": 976292995488.8789 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-12-08T01:46:51+08:00", "utc": "2000-12-07T17:46:51Z", "ms": 976211210757.9825 }, "end": { "local": "2000-12-09T00:29:55+08:00", "utc": "2000-12-08T16:29:55Z", "ms": 976292995488.8789 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-12-08", "window": { "start": { "local": "2000-12-08T11:21:39+08:00", "utc": "2000-12-08T03:21:39Z", "ms": 976245698591.4557 }, "end": { "local": "2000-12-08T12:09:39+08:00", "utc": "2000-12-08T04:09:39Z", "ms": 976248578591.4557 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-12-09", "window": { "start": { "local": "2000-12-09T11:22:05+08:00", "utc": "2000-12-09T03:22:05Z", "ms": 976332125411.0646 }, "end": { "local": "2000-12-09T12:10:05+08:00", "utc": "2000-12-09T04:10:05Z", "ms": 976335005411.0646 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:47 on Fri 8 Dec to 00:30 on Sat 9 Dec.", "fact": "2000-12-07T17:46:51Z → 2000-12-08T16:29:55Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34488 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Ningbo, 2000: Friday 8 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": "2000-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-12-08", "confidence": "determinate" } ], "quote": "In Ningbo, Akhaṇḍa Dvādaśī 2000 falls on Friday 8 December. Dvādaśī runs from 01:47 on Fri 8 Dec to 00:30 on Sat 9 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/pradosha-vrata?on=2000-12-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13639, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-12-09T00:29:55+08:00", "utc": "2000-12-08T16:29:55Z", "ms": 976292995488.8789 }, "end": { "local": "2000-12-09T22:31:27+08:00", "utc": "2000-12-09T14:31:27Z", "ms": 976372286856.0862 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-12-09T00:29:55+08:00", "utc": "2000-12-08T16:29:55Z", "ms": 976292995488.8789 }, "end": { "local": "2000-12-09T22:31:27+08:00", "utc": "2000-12-09T14:31:27Z", "ms": 976372286856.0862 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-12-08", "window": { "start": { "local": "2000-12-08T16:54:01+08:00", "utc": "2000-12-08T08:54:01Z", "ms": 976265641168.911 }, "end": { "local": "2000-12-08T18:43:53+08:00", "utc": "2000-12-08T10:43:53Z", "ms": 976272232898.4877 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "2000-12-09", "window": { "start": { "local": "2000-12-09T16:54:12+08:00", "utc": "2000-12-09T08:54:12Z", "ms": 976352051681.3932 }, "end": { "local": "2000-12-09T18:44:08+08:00", "utc": "2000-12-09T10:44:08Z", "ms": 976358647655.8333 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:30 on Sat 9 Dec to 22:31 on Sat 9 Dec.", "fact": "2000-12-08T16:29:55Z → 2000-12-09T14:31:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:54–18:44 on the 8th, 16:54–18:44 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 8th and 110 of 110 on the 9th.", "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 13639 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ningbo, 2000: Saturday 9 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-12-09", "confidence": "determinate" } ], "quote": "In Ningbo, Śukla Pradoṣa Vrata 2000 falls on Saturday 9 December. Trayodaśī runs from 00:30 on Sat 9 Dec to 22:31 on Sat 9 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-12-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 490, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2000-12-10T19:59:22+08:00", "utc": "2000-12-10T11:59:22Z", "ms": 976449562282.2169 }, "end": { "local": "2000-12-11T17:02:48+08:00", "utc": "2000-12-11T09:02:48Z", "ms": 976525368047.7473 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-12-10T19:59:22+08:00", "utc": "2000-12-10T11:59:22Z", "ms": 976449562282.2169 }, "end": { "local": "2000-12-11T17:02:48+08:00", "utc": "2000-12-11T09:02:48Z", "ms": 976525368047.7473 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-12-10", "window": { "start": { "local": "2000-12-10T16:54:24+08:00", "utc": "2000-12-10T08:54:24Z", "ms": 976438463829.3463 }, "end": { "local": "2000-12-10T18:44:24+08:00", "utc": "2000-12-10T10:44:24Z", "ms": 976445063721.8058 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "2000-12-11", "window": { "start": { "local": "2000-12-11T16:54:38+08:00", "utc": "2000-12-11T08:54:38Z", "ms": 976524877600.6825 }, "end": { "local": "2000-12-11T18:44:41+08:00", "utc": "2000-12-11T10:44:41Z", "ms": 976531481080.9858 } }, "covered_min": 8, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:59 on Sun 10 Dec to 17:03 on Mon 11 Dec.", "fact": "2000-12-10T11:59:22Z → 2000-12-11T09:02:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:54–18:44 on the 10th, 16:55–18:45 on the 11th.", "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 110 minutes on the 10th and 8 of 110 on the 11th.", "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 490 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Ningbo, 2000: Monday 11 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dattatreyotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Dattatreyotpatti (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-12-11", "confidence": "determinate" } ], "quote": "In Ningbo, Dattātreyotpatti (Datta Jayanti) 2000 falls on Monday 11 December. Pūrṇimā runs from 19:59 on Sun 10 Dec to 17:03 on Mon 11 Dec and covers 8 of 110 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/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": "/ningbo/festivals/2000/sankashta-chaturthi?on=2000-12-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29364, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-12-14T07:20:27+08:00", "utc": "2000-12-13T23:20:27Z", "ms": 976749626947.0566 }, "end": { "local": "2000-12-15T04:18:14+08:00", "utc": "2000-12-14T20:18:14Z", "ms": 976825093637.6821 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-12-14T07:20:27+08:00", "utc": "2000-12-13T23:20:27Z", "ms": 976749626947.0566 }, "end": { "local": "2000-12-15T04:18:14+08:00", "utc": "2000-12-14T20:18:14Z", "ms": 976825093637.6821 } }, "kaala": "moonrise", "days": [ { "local_date": "2000-12-13", "window": { "start": { "local": "2000-12-13T19:01:39+08:00", "utc": "2000-12-13T11:01:39Z", "ms": 976705298743.7443 }, "end": { "local": "2000-12-13T19:01:39+08:00", "utc": "2000-12-13T11:01:39Z", "ms": 976705298743.7443 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2000-12-14", "window": { "start": { "local": "2000-12-14T20:08:50+08:00", "utc": "2000-12-14T12:08:50Z", "ms": 976795730101.4656 }, "end": { "local": "2000-12-14T20:08:50+08:00", "utc": "2000-12-14T12:08:50Z", "ms": 976795730101.4656 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:20 on Thu 14 Dec to 04:18 on Fri 15 Dec.", "fact": "2000-12-13T23:20:27Z → 2000-12-14T20:18:14Z" }, { "step": "kaala", "text": "Moonrise is at 19:02 on the 13th and 20:09 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29364 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ningbo, 2000: Thursday 14 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": "2000-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-12-14", "confidence": "determinate" } ], "quote": "In Ningbo, Saṅkaṣṭa Caturthī 2000 falls on Thursday 14 December. Caturthī runs from 07:20 on Thu 14 Dec to 04:18 on Fri 15 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/sankashta-chaturthi?on=2000-12-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/ekadashi?on=2000-12-21", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40804, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2000-12-20T19:06:54+08:00", "utc": "2000-12-20T11:06:54Z", "ms": 977310413828.509 }, "end": { "local": "2000-12-21T19:25:51+08:00", "utc": "2000-12-21T11:25:51Z", "ms": 977397951231.1682 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-12-20T19:06:54+08:00", "utc": "2000-12-20T11:06:54Z", "ms": 977310413828.509 }, "end": { "local": "2000-12-21T19:25:51+08:00", "utc": "2000-12-21T11:25:51Z", "ms": 977397951231.1682 } }, "kaala": "sunrise", "days": [ { "local_date": "2000-12-21", "window": { "start": { "local": "2000-12-21T06:45:25+08:00", "utc": "2000-12-20T22:45:25Z", "ms": 977352325295.2712 }, "end": { "local": "2000-12-21T06:45:25+08:00", "utc": "2000-12-20T22:45:25Z", "ms": 977352325295.2712 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2000-12-22", "window": { "start": { "local": "2000-12-22T06:45:55+08:00", "utc": "2000-12-21T22:45:55Z", "ms": 977438755375.4642 }, "end": { "local": "2000-12-22T06:45:55+08:00", "utc": "2000-12-21T22:45:55Z", "ms": 977438755375.4642 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:07 on Wed 20 Dec to 19:26 on Thu 21 Dec.", "fact": "2000-12-20T11:06:54Z → 2000-12-21T11:25:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:45 on the 21st and 06:46 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 40804 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Ningbo, 2000: Thursday 21 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": "2000-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-12-21", "confidence": "determinate" } ], "quote": "In Ningbo, Saphalā Ekādaśī 2000 falls on Thursday 21 December. Ekādaśī runs from 19:07 on Wed 20 Dec to 19:26 on Thu 21 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/ningbo/festivals/2000/ekadashi?on=2000-12-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/pradosha-vrata?on=2000-12-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5155, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2000-12-22T20:15:06+08:00", "utc": "2000-12-22T12:15:06Z", "ms": 977487306497.1438 }, "end": { "local": "2000-12-23T21:32:33+08:00", "utc": "2000-12-23T13:32:33Z", "ms": 977578352892.4607 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-12-22T20:15:06+08:00", "utc": "2000-12-22T12:15:06Z", "ms": 977487306497.1438 }, "end": { "local": "2000-12-23T21:32:33+08:00", "utc": "2000-12-23T13:32:33Z", "ms": 977578352892.4607 } }, "kaala": "pradosha", "days": [ { "local_date": "2000-12-22", "window": { "start": { "local": "2000-12-22T16:58:51+08:00", "utc": "2000-12-22T08:58:51Z", "ms": 977475531196.2155 }, "end": { "local": "2000-12-22T18:49:12+08:00", "utc": "2000-12-22T10:49:12Z", "ms": 977482151594.502 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "2000-12-23", "window": { "start": { "local": "2000-12-23T16:59:23+08:00", "utc": "2000-12-23T08:59:23Z", "ms": 977561962866.2927 }, "end": { "local": "2000-12-23T18:49:43+08:00", "utc": "2000-12-23T10:49:43Z", "ms": 977568582708.3384 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:15 on Fri 22 Dec to 21:33 on Sat 23 Dec.", "fact": "2000-12-22T12:15:06Z → 2000-12-23T13:32:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:59–18:49 on the 22nd, 16:59–18:50 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 22nd and 110 of 110 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 5155 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ningbo, 2000: Saturday 23 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-12-23", "confidence": "determinate" } ], "quote": "In Ningbo, Kṛṣṇa Pradoṣa Vrata 2000 falls on Saturday 23 December. Trayodaśī runs from 20:15 on Fri 22 Dec to 21:33 on Sat 23 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ningbo/festivals/2000/pradosha-vrata?on=2000-12-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/shivaratri?on=2000-12-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 834, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2000-12-23T21:32:33+08:00", "utc": "2000-12-23T13:32:33Z", "ms": 977578352892.4607 }, "end": { "local": "2000-12-24T23:15:42+08:00", "utc": "2000-12-24T15:15:42Z", "ms": 977670942470.8927 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-12-23T21:32:33+08:00", "utc": "2000-12-23T13:32:33Z", "ms": 977578352892.4607 }, "end": { "local": "2000-12-24T23:15:42+08:00", "utc": "2000-12-24T15:15:42Z", "ms": 977670942470.8927 } }, "kaala": "nishita", "days": [ { "local_date": "2000-12-23", "window": { "start": { "local": "2000-12-23T23:29:07+08:00", "utc": "2000-12-23T15:29:07Z", "ms": 977585347273.9641 }, "end": { "local": "2000-12-24T00:17:07+08:00", "utc": "2000-12-23T16:17:07Z", "ms": 977588227273.9641 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-12-24", "window": { "start": { "local": "2000-12-24T23:29:37+08:00", "utc": "2000-12-24T15:29:37Z", "ms": 977671776829.5808 }, "end": { "local": "2000-12-25T00:17:37+08:00", "utc": "2000-12-24T16:17:37Z", "ms": 977674656829.5808 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:33 on Sat 23 Dec to 23:16 on Sun 24 Dec.", "fact": "2000-12-23T13:32:33Z → 2000-12-24T15:15:42Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:29–00:17 on the 23rd, 23:30–00:18 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 834 s" }, { "step": "ruling", "text": "Śivarātri, Ningbo, 2000: Saturday 23 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": "2000-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-12-23", "confidence": "determinate" } ], "quote": "In Ningbo, Śivarātri 2000 falls on Saturday 23 December. Caturdaśī runs from 21:33 on Sat 23 Dec to 23:16 on Sun 24 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/ningbo/festivals/2000/shivaratri?on=2000-12-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-12-29", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1799397", "year": 2000, "local_date": "2000-12-29", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1236, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2000-12-29T09:10:04+08:00", "utc": "2000-12-29T01:10:04Z", "ms": 978052204379.4639 }, "end": { "local": "2000-12-30T11:52:59+08:00", "utc": "2000-12-30T03:52:59Z", "ms": 978148378542.5789 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2000-12-29T09:10:04+08:00", "utc": "2000-12-29T01:10:04Z", "ms": 978052204379.4639 }, "end": { "local": "2000-12-30T11:52:59+08:00", "utc": "2000-12-30T03:52:59Z", "ms": 978148378542.5789 } }, "kaala": "madhyahna", "days": [ { "local_date": "2000-12-29", "window": { "start": { "local": "2000-12-29T11:31:53+08:00", "utc": "2000-12-29T03:31:53Z", "ms": 978060713404.26 }, "end": { "local": "2000-12-29T12:19:53+08:00", "utc": "2000-12-29T04:19:53Z", "ms": 978063593404.26 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2000-12-30", "window": { "start": { "local": "2000-12-30T11:32:23+08:00", "utc": "2000-12-30T03:32:23Z", "ms": 978147142773.5325 }, "end": { "local": "2000-12-30T12:20:23+08:00", "utc": "2000-12-30T04:20:23Z", "ms": 978150022773.5325 } }, "covered_min": 21, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:10 on Fri 29 Dec to 11:53 on Sat 30 Dec.", "fact": "2000-12-29T01:10:04Z → 2000-12-30T03:52:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 29th, 11:32–12:20 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 21 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1236 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ningbo, 2000: Friday 29 December.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2000-12-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2000-12-29", "confidence": "boundary" } ], "quote": "In Ningbo, Vināyaka Caturthī 2000 falls on Friday 29 December. Caturthī runs from 09:10 on Fri 29 Dec to 11:53 on Sat 30 Dec and covers all of madhyāhna that midday. It also reaches the next midday for 21 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/ningbo/festivals/2000/vinayaka-chaturthi?on=2000-12-29", "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" } }