{ "id": "/qingyang/festivals/1965", "place": { "id": "12359313", "slug": "qingyang", "name": "Qingyang", "region": "Gansu, China", "country": "CN", "lat": 35.70976, "lon": 107.64455, "elevation_m": 1427, "tz": "Asia/Shanghai" }, "year": 1965, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-01-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-01-07", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 161, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-01-06T12:33:57+08:00", "utc": "1965-01-06T04:33:57Z", "ms": -157317962670.96384 }, "end": { "local": "1965-01-07T14:28:15+08:00", "utc": "1965-01-07T06:28:15Z", "ms": -157224705267.41663 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-01-06T12:33:57+08:00", "utc": "1965-01-06T04:33:57Z", "ms": -157317962670.96384 }, "end": { "local": "1965-01-07T14:28:15+08:00", "utc": "1965-01-07T06:28:15Z", "ms": -157224705267.41663 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-01-06", "window": { "start": { "local": "1965-01-06T12:31:17+08:00", "utc": "1965-01-06T04:31:17Z", "ms": -157318123250.37598 }, "end": { "local": "1965-01-06T13:19:17+08:00", "utc": "1965-01-06T05:19:17Z", "ms": -157315243250.37598 } }, "covered_min": 45, "window_min": 48, "qualifies": true }, { "local_date": "1965-01-07", "window": { "start": { "local": "1965-01-07T12:31:43+08:00", "utc": "1965-01-07T04:31:43Z", "ms": -157231696637.40604 }, "end": { "local": "1965-01-07T13:19:43+08:00", "utc": "1965-01-07T05:19:43Z", "ms": -157228816637.40604 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:34 on Wed 6 Jan to 14:28 on Thu 7 Jan.", "fact": "1965-01-06T04:33:57Z → 1965-01-07T06:28:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 6th, 12:32–13:20 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 45 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 161 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1965: Thursday 7 January.", "fact": "confidence: boundary (margin, 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": "1965-01-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-01-07", "confidence": "boundary" } ], "quote": "In Qingyang, Vināyaka Caturthī 1965 falls on Thursday 7 January. Caturthī runs from 12:34 on Wed 6 Jan to 14:28 on Thu 7 Jan and covers all of madhyāhna that midday. It also reaches the previous midday for 45 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 41 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-01-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29060, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1965-01-14T02:01:04+08:00", "utc": "1965-01-13T18:01:04Z", "ms": -156664736336.97498 }, "end": { "local": "1965-02-12T15:02:34+08:00", "utc": "1965-02-12T07:02:34Z", "ms": -154112246213.62686 } }, "span": { "of": "transit", "start": { "local": "1965-01-14T02:01:04+08:00", "utc": "1965-01-13T18:01:04Z", "ms": -156664736336.97498 }, "end": { "local": "1965-01-14T02:01:04+08:00", "utc": "1965-01-13T18:01:04Z", "ms": -156664736336.97498 } }, "kaala": "sunset-day", "days": [ { "local_date": "1965-01-13", "window": { "start": { "local": "1965-01-12T17:55:46+08:00", "utc": "1965-01-12T09:55:46Z", "ms": -156780253607.90625 }, "end": { "local": "1965-01-13T17:56:43+08:00", "utc": "1965-01-13T09:56:43Z", "ms": -156693796594.11758 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1965-01-14", "window": { "start": { "local": "1965-01-13T17:56:43+08:00", "utc": "1965-01-13T09:56:43Z", "ms": -156693796594.11758 }, "end": { "local": "1965-01-14T17:57:41+08:00", "utc": "1965-01-14T09:57:41Z", "ms": -156607338922.66037 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1965-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 02:01 on Thu 14 Jan.", "fact": "1965-01-13T18:01:04Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:57, and the day of the 14th ends at 17:58.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 29060 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Thursday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Qingyang, 1965: Wednesday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1965-01-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1965-01-12", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Qingyang, Bhogi 1965 falls on Wednesday 13 January. It is kept the day before Pongal, which falls on Thursday 14 January. The Sun enters Makara at 02:01 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29060, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1965-01-14T02:01:04+08:00", "utc": "1965-01-13T18:01:04Z", "ms": -156664736336.97498 }, "end": { "local": "1965-02-12T15:02:34+08:00", "utc": "1965-02-12T07:02:34Z", "ms": -154112246213.62686 } }, "span": { "of": "transit", "start": { "local": "1965-01-14T02:01:04+08:00", "utc": "1965-01-13T18:01:04Z", "ms": -156664736336.97498 }, "end": { "local": "1965-01-14T02:01:04+08:00", "utc": "1965-01-13T18:01:04Z", "ms": -156664736336.97498 } }, "kaala": "sunset-day", "days": [ { "local_date": "1965-01-13", "window": { "start": { "local": "1965-01-12T17:55:46+08:00", "utc": "1965-01-12T09:55:46Z", "ms": -156780253607.90625 }, "end": { "local": "1965-01-13T17:56:43+08:00", "utc": "1965-01-13T09:56:43Z", "ms": -156693796594.11758 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1965-01-14", "window": { "start": { "local": "1965-01-13T17:56:43+08:00", "utc": "1965-01-13T09:56:43Z", "ms": -156693796594.11758 }, "end": { "local": "1965-01-14T17:57:41+08:00", "utc": "1965-01-14T09:57:41Z", "ms": -156607338922.66037 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 02:01 on Thu 14 Jan.", "fact": "1965-01-13T18:01:04Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:57, and the day of the 14th ends at 17:58.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 29060 s" }, { "step": "ruling", "text": "Pongal, Qingyang, 1965: Thursday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1965-01-14", "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": "1965-01-13", "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 Qingyang, Pongal 1965 falls on Thursday 14 January. The Sun enters Makara at 02:01 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7264, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1965-01-14T02:01:04+08:00", "utc": "1965-01-13T18:01:04Z", "ms": -156664736336.97498 }, "end": { "local": "1965-02-12T15:02:34+08:00", "utc": "1965-02-12T07:02:34Z", "ms": -154112246213.62686 } }, "span": { "of": "transit", "start": { "local": "1965-01-14T02:01:04+08:00", "utc": "1965-01-13T18:01:04Z", "ms": -156664736336.97498 }, "end": { "local": "1965-01-14T02:01:04+08:00", "utc": "1965-01-13T18:01:04Z", "ms": -156664736336.97498 } }, "kaala": "civil-day", "days": [ { "local_date": "1965-01-13", "window": { "start": { "local": "1965-01-13T00:00:00+08:00", "utc": "1965-01-12T16:00:00Z", "ms": -156758400000 }, "end": { "local": "1965-01-14T00:00:00+08:00", "utc": "1965-01-13T16:00:00Z", "ms": -156672000000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1965-01-14", "window": { "start": { "local": "1965-01-14T00:00:00+08:00", "utc": "1965-01-13T16:00:00Z", "ms": -156672000000 }, "end": { "local": "1965-01-15T00:00:00+08:00", "utc": "1965-01-14T16:00:00Z", "ms": -156585600000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 02:01 on Thu 14 Jan.", "fact": "1965-01-13T18:01:04Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Qingyang.", "fact": "civil-day: midnight-to-midnight · Asia/Shanghai" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 7264 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Qingyang, 1965: Thursday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1965-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1965-01-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Qingyang, Makara Saṅkrānti 1965 falls on Thursday 14 January. The Sun enters Makara at 02:01 on Thu 14 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-01-14", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12117, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-01-13T13:47:15+08:00", "utc": "1965-01-13T05:47:15Z", "ms": -156708765422.84854 }, "end": { "local": "1965-01-14T11:21:24+08:00", "utc": "1965-01-14T03:21:24Z", "ms": -156631116039.9339 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-01-13T13:47:15+08:00", "utc": "1965-01-13T05:47:15Z", "ms": -156708765422.84854 }, "end": { "local": "1965-01-14T11:21:24+08:00", "utc": "1965-01-14T03:21:24Z", "ms": -156631116039.9339 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-01-13", "window": { "start": { "local": "1965-01-13T07:59:39+08:00", "utc": "1965-01-12T23:59:39Z", "ms": -156729620522.3914 }, "end": { "local": "1965-01-13T07:59:39+08:00", "utc": "1965-01-12T23:59:39Z", "ms": -156729620522.3914 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-01-14", "window": { "start": { "local": "1965-01-14T07:59:27+08:00", "utc": "1965-01-13T23:59:27Z", "ms": -156643233160.93817 }, "end": { "local": "1965-01-14T07:59:27+08:00", "utc": "1965-01-13T23:59:27Z", "ms": -156643233160.93817 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:47 on Wed 13 Jan to 11:21 on Thu 14 Jan.", "fact": "1965-01-13T05:47:15Z → 1965-01-14T03:21:24Z" }, { "step": "kaala", "text": "Sunrise is at 08:00 on the 13th and 07:59 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12117 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Qingyang, 1965: Thursday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-01-14", "confidence": "determinate" } ], "quote": "In Qingyang, Putradā Ekādaśī 1965 falls on Thursday 14 January. Ekādaśī runs from 13:47 on Wed 13 Jan to 11:21 on Thu 14 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-01-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29060, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1965-01-14T02:01:04+08:00", "utc": "1965-01-13T18:01:04Z", "ms": -156664736336.97498 }, "end": { "local": "1965-02-12T15:02:34+08:00", "utc": "1965-02-12T07:02:34Z", "ms": -154112246213.62686 } }, "span": { "of": "transit", "start": { "local": "1965-01-14T02:01:04+08:00", "utc": "1965-01-13T18:01:04Z", "ms": -156664736336.97498 }, "end": { "local": "1965-01-14T02:01:04+08:00", "utc": "1965-01-13T18:01:04Z", "ms": -156664736336.97498 } }, "kaala": "sunset-day", "days": [ { "local_date": "1965-01-13", "window": { "start": { "local": "1965-01-12T17:55:46+08:00", "utc": "1965-01-12T09:55:46Z", "ms": -156780253607.90625 }, "end": { "local": "1965-01-13T17:56:43+08:00", "utc": "1965-01-13T09:56:43Z", "ms": -156693796594.11758 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1965-01-14", "window": { "start": { "local": "1965-01-13T17:56:43+08:00", "utc": "1965-01-13T09:56:43Z", "ms": -156693796594.11758 }, "end": { "local": "1965-01-14T17:57:41+08:00", "utc": "1965-01-14T09:57:41Z", "ms": -156607338922.66037 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1965-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 02:01 on Thu 14 Jan.", "fact": "1965-01-13T18:01:04Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:57, and the day of the 14th ends at 17:58.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 29060 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Thursday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Qingyang, 1965: Friday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1965-01-15", "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": "1965-01-14", "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 Qingyang, Mattu Pongal 1965 falls on Friday 15 January. It is kept the day after Pongal, which falls on Thursday 14 January. The Sun enters Makara at 02:01 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/pradosha-vrata?on=1965-01-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32997, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-01-15T08:23:23+08:00", "utc": "1965-01-15T00:23:23Z", "ms": -156555396682.53687 }, "end": { "local": "1965-01-16T05:00:39+08:00", "utc": "1965-01-15T21:00:39Z", "ms": -156481161249.90118 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-01-15T08:23:23+08:00", "utc": "1965-01-15T00:23:23Z", "ms": -156555396682.53687 }, "end": { "local": "1965-01-16T05:00:39+08:00", "utc": "1965-01-15T21:00:39Z", "ms": -156481161249.90118 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-01-14", "window": { "start": { "local": "1965-01-14T17:57:41+08:00", "utc": "1965-01-14T09:57:41Z", "ms": -156607338922.66037 }, "end": { "local": "1965-01-14T19:49:53+08:00", "utc": "1965-01-14T11:49:53Z", "ms": -156600606766.91632 } }, "covered_min": 0, "window_min": 112, "qualifies": false }, { "local_date": "1965-01-15", "window": { "start": { "local": "1965-01-15T17:58:39+08:00", "utc": "1965-01-15T09:58:39Z", "ms": -156520880639.4288 }, "end": { "local": "1965-01-15T19:50:42+08:00", "utc": "1965-01-15T11:50:42Z", "ms": -156514158459.39294 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:23 on Fri 15 Jan to 05:01 on Sat 16 Jan.", "fact": "1965-01-15T00:23:23Z → 1965-01-15T21:00:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:50 on the 14th, 17:59–19:51 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 112 minutes on the 14th and 112 of 112 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32997 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1965: Friday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-01-15", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1965 falls on Friday 15 January. Trayodaśī runs from 08:23 on Fri 15 Jan to 05:01 on Sat 16 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/sankashta-chaturthi?on=1965-01-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35163, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-01-20T11:32:51+08:00", "utc": "1965-01-20T03:32:51Z", "ms": -156112028733.515 }, "end": { "local": "1965-01-21T09:09:29+08:00", "utc": "1965-01-21T01:09:29Z", "ms": -156034230606.22006 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-01-20T11:32:51+08:00", "utc": "1965-01-20T03:32:51Z", "ms": -156112028733.515 }, "end": { "local": "1965-01-21T09:09:29+08:00", "utc": "1965-01-21T01:09:29Z", "ms": -156034230606.22006 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-01-20", "window": { "start": { "local": "1965-01-20T21:18:54+08:00", "utc": "1965-01-20T13:18:54Z", "ms": -156076865802.84866 }, "end": { "local": "1965-01-20T21:18:54+08:00", "utc": "1965-01-20T13:18:54Z", "ms": -156076865802.84866 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-01-21", "window": { "start": { "local": "1965-01-21T22:26:37+08:00", "utc": "1965-01-21T14:26:37Z", "ms": -155986403292.36044 }, "end": { "local": "1965-01-21T22:26:37+08:00", "utc": "1965-01-21T14:26:37Z", "ms": -155986403292.36044 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:33 on Wed 20 Jan to 09:09 on Thu 21 Jan.", "fact": "1965-01-20T03:32:51Z → 1965-01-21T01:09:29Z" }, { "step": "kaala", "text": "Moonrise is at 21:19 on the 20th and 22:27 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 35163 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1965: Wednesday 20 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": "1965-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-01-20", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1965 falls on Wednesday 20 January. Caturthī runs from 11:33 on Wed 20 Jan to 09:09 on Thu 21 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/sankashta-chaturthi?on=1965-01-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/ekadashi?on=1965-01-28", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13307, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-01-27T11:35:38+08:00", "utc": "1965-01-27T03:35:38Z", "ms": -155507062187.59763 }, "end": { "local": "1965-01-28T14:13:01+08:00", "utc": "1965-01-28T06:13:01Z", "ms": -155411218755.124 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-01-27T11:35:38+08:00", "utc": "1965-01-27T03:35:38Z", "ms": -155507062187.59763 }, "end": { "local": "1965-01-28T14:13:01+08:00", "utc": "1965-01-28T06:13:01Z", "ms": -155411218755.124 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-01-27", "window": { "start": { "local": "1965-01-27T07:53:51+08:00", "utc": "1965-01-26T23:53:51Z", "ms": -155520368974.4244 }, "end": { "local": "1965-01-27T07:53:51+08:00", "utc": "1965-01-26T23:53:51Z", "ms": -155520368974.4244 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-01-28", "window": { "start": { "local": "1965-01-28T07:53:13+08:00", "utc": "1965-01-27T23:53:13Z", "ms": -155434007309.9821 }, "end": { "local": "1965-01-28T07:53:13+08:00", "utc": "1965-01-27T23:53:13Z", "ms": -155434007309.9821 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:36 on Wed 27 Jan to 14:13 on Thu 28 Jan.", "fact": "1965-01-27T03:35:38Z → 1965-01-28T06:13:01Z" }, { "step": "kaala", "text": "Sunrise is at 07:54 on the 27th and 07:53 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13307 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Qingyang, 1965: Thursday 28 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-01-28", "confidence": "determinate" } ], "quote": "In Qingyang, Ṣaṭtilā Ekādaśī 1965 falls on Thursday 28 January. Ekādaśī runs from 11:36 on Wed 27 Jan to 14:13 on Thu 28 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-01-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-01-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-01-29", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1090, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-01-29T16:59:54+08:00", "utc": "1965-01-29T08:59:54Z", "ms": -155314805537.69388 }, "end": { "local": "1965-01-30T19:44:47+08:00", "utc": "1965-01-30T11:44:47Z", "ms": -155218513396.90723 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-01-29T16:59:54+08:00", "utc": "1965-01-29T08:59:54Z", "ms": -155314805537.69388 }, "end": { "local": "1965-01-30T19:44:47+08:00", "utc": "1965-01-30T11:44:47Z", "ms": -155218513396.90723 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-01-29", "window": { "start": { "local": "1965-01-29T18:12:57+08:00", "utc": "1965-01-29T10:12:57Z", "ms": -155310422796.23096 }, "end": { "local": "1965-01-29T20:02:08+08:00", "utc": "1965-01-29T12:02:08Z", "ms": -155303871622.61798 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "1965-01-30", "window": { "start": { "local": "1965-01-30T18:14:00+08:00", "utc": "1965-01-30T10:14:00Z", "ms": -155223960050.73975 }, "end": { "local": "1965-01-30T20:02:57+08:00", "utc": "1965-01-30T12:02:57Z", "ms": -155217423016.72263 } }, "covered_min": 91, "window_min": 109, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:00 on Fri 29 Jan to 19:45 on Sat 30 Jan.", "fact": "1965-01-29T08:59:54Z → 1965-01-30T11:44:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–20:02 on the 29th, 18:14–20:03 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 109 of 109 minutes on the 29th and 91 of 109 on the 30th.", "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 1090 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1965: Friday 29 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": "1965-01-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-01-29", "confidence": "boundary" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1965 falls on Friday 29 January. Trayodaśī runs from 17:00 on Fri 29 Jan to 19:45 on Sat 30 Jan and covers all of pradoṣa that evening. It also reaches the next evening for 91 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/qingyang/festivals/1965/pradosha-vrata?on=1965-01-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/shivaratri?on=1965-01-30", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8402, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-01-30T19:44:47+08:00", "utc": "1965-01-30T11:44:47Z", "ms": -155218513396.90723 }, "end": { "local": "1965-01-31T22:18:41+08:00", "utc": "1965-01-31T14:18:41Z", "ms": -155122879358.4814 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-01-30T19:44:47+08:00", "utc": "1965-01-30T11:44:47Z", "ms": -155218513396.90723 }, "end": { "local": "1965-01-31T22:18:41+08:00", "utc": "1965-01-31T14:18:41Z", "ms": -155122879358.4814 } }, "kaala": "nishita", "days": [ { "local_date": "1965-01-30", "window": { "start": { "local": "1965-01-31T00:38:34+08:00", "utc": "1965-01-30T16:38:34Z", "ms": -155200886173.1756 }, "end": { "local": "1965-01-31T01:26:34+08:00", "utc": "1965-01-30T17:26:34Z", "ms": -155198006173.1756 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-01-31", "window": { "start": { "local": "1965-02-01T00:38:43+08:00", "utc": "1965-01-31T16:38:43Z", "ms": -155114477254.25137 }, "end": { "local": "1965-02-01T01:26:43+08:00", "utc": "1965-01-31T17:26:43Z", "ms": -155111597254.25137 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:45 on Sat 30 Jan to 22:19 on Sun 31 Jan.", "fact": "1965-01-30T11:44:47Z → 1965-01-31T14:18:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:39–01:27 on the 30th, 00:39–01:27 on the 31st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8402 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1965: Saturday 30 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-01-30", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1965 falls on Saturday 30 January. Caturdaśī runs from 19:45 on Sat 30 Jan to 22:19 on Sun 31 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1965/shivaratri?on=1965-01-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27779, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-01-30T19:44:47+08:00", "utc": "1965-01-30T11:44:47Z", "ms": -155218513396.90723 }, "end": { "local": "1965-01-31T22:18:41+08:00", "utc": "1965-01-31T14:18:41Z", "ms": -155122879358.4814 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-01-30T19:44:47+08:00", "utc": "1965-01-30T11:44:47Z", "ms": -155218513396.90723 }, "end": { "local": "1965-01-31T22:18:41+08:00", "utc": "1965-01-31T14:18:41Z", "ms": -155122879358.4814 } }, "kaala": "arunodaya", "days": [ { "local_date": "1965-01-31", "window": { "start": { "local": "1965-01-31T06:02:11+08:00", "utc": "1965-01-30T22:02:11Z", "ms": -155181469329.62854 }, "end": { "local": "1965-01-31T07:51:08+08:00", "utc": "1965-01-30T23:51:08Z", "ms": -155174932295.61142 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "1965-02-01", "window": { "start": { "local": "1965-02-01T06:01:40+08:00", "utc": "1965-01-31T22:01:40Z", "ms": -155095099884.45428 }, "end": { "local": "1965-02-01T07:50:23+08:00", "utc": "1965-01-31T23:50:23Z", "ms": -155088577204.52808 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:45 on Sat 30 Jan to 22:19 on Sun 31 Jan.", "fact": "1965-01-30T11:44:47Z → 1965-01-31T14:18:41Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:02–07:51 on the 31st, 06:02–07:50 on the 1st.", "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 109 of 109 minutes on the 31st and 0 of 109 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27779 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Qingyang, 1965: Sunday 31 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-01-31", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Tarpaṇa 1965 falls on Sunday 31 January. Caturdaśī runs from 19:45 on Sat 30 Jan to 22:19 on Sun 31 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24031, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-02-05T05:14:46+08:00", "utc": "1965-02-04T21:14:46Z", "ms": -154752313538.88828 }, "end": { "local": "1965-02-06T05:59:15+08:00", "utc": "1965-02-05T21:59:15Z", "ms": -154663244674.5329 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-02-05T05:14:46+08:00", "utc": "1965-02-04T21:14:46Z", "ms": -154752313538.88828 }, "end": { "local": "1965-02-06T05:59:15+08:00", "utc": "1965-02-05T21:59:15Z", "ms": -154663244674.5329 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-02-05", "window": { "start": { "local": "1965-02-05T12:39:41+08:00", "utc": "1965-02-05T04:39:41Z", "ms": -154725618537.67096 }, "end": { "local": "1965-02-05T13:27:41+08:00", "utc": "1965-02-05T05:27:41Z", "ms": -154722738537.67096 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-02-06", "window": { "start": { "local": "1965-02-06T12:39:46+08:00", "utc": "1965-02-06T04:39:46Z", "ms": -154639213766.47375 }, "end": { "local": "1965-02-06T13:27:46+08:00", "utc": "1965-02-06T05:27:46Z", "ms": -154636333766.47375 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:15 on Fri 5 Feb to 05:59 on Sat 6 Feb.", "fact": "1965-02-04T21:14:46Z → 1965-02-05T21:59:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 5th, 12:40–13:28 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24031 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Qingyang, 1965: Friday 5 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-02-05", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1965 falls on Friday 5 February. Caturthī runs from 05:15 on Fri 5 Feb to 05:59 on Sat 6 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32870, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-02-05T05:14:46+08:00", "utc": "1965-02-04T21:14:46Z", "ms": -154752313538.88828 }, "end": { "local": "1965-02-06T05:59:15+08:00", "utc": "1965-02-05T21:59:15Z", "ms": -154663244674.5329 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-02-05T05:14:46+08:00", "utc": "1965-02-04T21:14:46Z", "ms": -154752313538.88828 }, "end": { "local": "1965-02-06T05:59:15+08:00", "utc": "1965-02-05T21:59:15Z", "ms": -154663244674.5329 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-02-04", "window": { "start": { "local": "1965-02-04T18:19:13+08:00", "utc": "1965-02-04T10:19:13Z", "ms": -154791646945.84576 }, "end": { "local": "1965-02-04T20:06:56+08:00", "utc": "1965-02-04T12:06:56Z", "ms": -154785183674.86115 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1965-02-05", "window": { "start": { "local": "1965-02-05T18:20:15+08:00", "utc": "1965-02-05T10:20:15Z", "ms": -154705184661.8809 }, "end": { "local": "1965-02-05T20:07:43+08:00", "utc": "1965-02-05T12:07:43Z", "ms": -154698736704.15533 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:15 on Fri 5 Feb to 05:59 on Sat 6 Feb.", "fact": "1965-02-04T21:14:46Z → 1965-02-05T21:59:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–20:07 on the 4th, 18:20–20:08 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 108 minutes on the 4th and 107 of 107 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32870 s" }, { "step": "ruling", "text": "Tila Caturthī, Qingyang, 1965: Friday 5 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": "1965-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-02-05", "confidence": "determinate" } ], "quote": "In Qingyang, Tila Caturthī 1965 falls on Friday 5 February. Caturthī runs from 05:15 on Fri 5 Feb to 05:59 on Sat 6 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22966, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1965-02-06T05:59:15+08:00", "utc": "1965-02-05T21:59:15Z", "ms": -154663244674.5329 }, "end": { "local": "1965-02-07T06:17:05+08:00", "utc": "1965-02-06T22:17:05Z", "ms": -154575775401.27264 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-02-06T05:59:15+08:00", "utc": "1965-02-05T21:59:15Z", "ms": -154663244674.5329 }, "end": { "local": "1965-02-07T06:17:05+08:00", "utc": "1965-02-06T22:17:05Z", "ms": -154575775401.27264 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-02-06", "window": { "start": { "local": "1965-02-06T12:39:46+08:00", "utc": "1965-02-06T04:39:46Z", "ms": -154639213766.47375 }, "end": { "local": "1965-02-06T13:27:46+08:00", "utc": "1965-02-06T05:27:46Z", "ms": -154636333766.47375 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-02-07", "window": { "start": { "local": "1965-02-07T12:39:50+08:00", "utc": "1965-02-07T04:39:50Z", "ms": -154552809820.71182 }, "end": { "local": "1965-02-07T13:27:50+08:00", "utc": "1965-02-07T05:27:50Z", "ms": -154549929820.71182 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:59 on Sat 6 Feb to 06:17 on Sun 7 Feb.", "fact": "1965-02-05T21:59:15Z → 1965-02-06T22:17:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 6th, 12:40–13:28 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22966 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Qingyang, 1965: Saturday 6 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-02-06", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Pañcamī 1965 falls on Saturday 6 February. Pañcamī runs from 05:59 on Sat 6 Feb to 06:17 on Sun 7 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22966, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1965-02-06T05:59:15+08:00", "utc": "1965-02-05T21:59:15Z", "ms": -154663244674.5329 }, "end": { "local": "1965-02-07T06:17:05+08:00", "utc": "1965-02-06T22:17:05Z", "ms": -154575775401.27264 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-02-06T05:59:15+08:00", "utc": "1965-02-05T21:59:15Z", "ms": -154663244674.5329 }, "end": { "local": "1965-02-07T06:17:05+08:00", "utc": "1965-02-06T22:17:05Z", "ms": -154575775401.27264 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-02-06", "window": { "start": { "local": "1965-02-06T12:39:46+08:00", "utc": "1965-02-06T04:39:46Z", "ms": -154639213766.47375 }, "end": { "local": "1965-02-06T13:27:46+08:00", "utc": "1965-02-06T05:27:46Z", "ms": -154636333766.47375 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-02-07", "window": { "start": { "local": "1965-02-07T12:39:50+08:00", "utc": "1965-02-07T04:39:50Z", "ms": -154552809820.71182 }, "end": { "local": "1965-02-07T13:27:50+08:00", "utc": "1965-02-07T05:27:50Z", "ms": -154549929820.71182 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:59 on Sat 6 Feb to 06:17 on Sun 7 Feb.", "fact": "1965-02-05T21:59:15Z → 1965-02-06T22:17:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 6th, 12:40–13:28 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22966 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Qingyang, 1965: Saturday 6 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-02-06", "confidence": "determinate" } ], "quote": "In Qingyang, Vasanta Pañcamī 1965 falls on Saturday 6 February. Pañcamī runs from 05:59 on Sat 6 Feb to 06:17 on Sun 7 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 531, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1965-02-08T06:06:20+08:00", "utc": "1965-02-07T22:06:20Z", "ms": -154490020205.99512 }, "end": { "local": "1965-02-09T05:25:06+08:00", "utc": "1965-02-08T21:25:06Z", "ms": -154406093790.032 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-02-08T06:06:20+08:00", "utc": "1965-02-07T22:06:20Z", "ms": -154490020205.99512 }, "end": { "local": "1965-02-09T05:25:06+08:00", "utc": "1965-02-08T21:25:06Z", "ms": -154406093790.032 } }, "kaala": "arunodaya", "days": [ { "local_date": "1965-02-08", "window": { "start": { "local": "1965-02-08T05:57:29+08:00", "utc": "1965-02-07T21:57:29Z", "ms": -154490551262.08783 }, "end": { "local": "1965-02-08T07:44:26+08:00", "utc": "1965-02-07T23:44:26Z", "ms": -154484134433.77185 } }, "covered_min": 98, "window_min": 107, "qualifies": true }, { "local_date": "1965-02-09", "window": { "start": { "local": "1965-02-09T05:56:48+08:00", "utc": "1965-02-08T21:56:48Z", "ms": -154404192290.74545 }, "end": { "local": "1965-02-09T07:43:29+08:00", "utc": "1965-02-08T23:43:29Z", "ms": -154397791264.65918 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:06 on Mon 8 Feb to 05:25 on Tue 9 Feb.", "fact": "1965-02-07T22:06:20Z → 1965-02-08T21:25:06Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:57–07:44 on the 8th, 05:57–07:43 on the 9th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 98 of 107 minutes on the 8th and 0 of 107 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 531 s" }, { "step": "ruling", "text": "Ratha Saptamī, Qingyang, 1965: Monday 8 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-02-08", "confidence": "determinate" } ], "quote": "In Qingyang, Ratha Saptamī 1965 falls on Monday 8 February. Saptamī runs from 06:06 on Mon 8 Feb to 05:25 on Tue 9 Feb and covers 98 of 107 minutes of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-02-12", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26930, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-02-12T00:11:40+08:00", "utc": "1965-02-11T16:11:40Z", "ms": -154165699679.21503 }, "end": { "local": "1965-02-12T21:29:24+08:00", "utc": "1965-02-12T13:29:24Z", "ms": -154089035591.86755 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-02-12T00:11:40+08:00", "utc": "1965-02-11T16:11:40Z", "ms": -154165699679.21503 }, "end": { "local": "1965-02-12T21:29:24+08:00", "utc": "1965-02-12T13:29:24Z", "ms": -154089035591.86755 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-02-12", "window": { "start": { "local": "1965-02-12T07:40:30+08:00", "utc": "1965-02-11T23:40:30Z", "ms": -154138769796.48032 }, "end": { "local": "1965-02-12T07:40:30+08:00", "utc": "1965-02-11T23:40:30Z", "ms": -154138769796.48032 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-02-13", "window": { "start": { "local": "1965-02-13T07:39:28+08:00", "utc": "1965-02-12T23:39:28Z", "ms": -154052431875.57706 }, "end": { "local": "1965-02-13T07:39:28+08:00", "utc": "1965-02-12T23:39:28Z", "ms": -154052431875.57706 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:12 on Fri 12 Feb to 21:29 on Fri 12 Feb.", "fact": "1965-02-11T16:11:40Z → 1965-02-12T13:29:24Z" }, { "step": "kaala", "text": "Sunrise is at 07:41 on the 12th and 07:39 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 26930 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Qingyang, 1965: Friday 12 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-02-12", "confidence": "determinate" } ], "quote": "In Qingyang, Jayā Ekādaśī 1965 falls on Friday 12 February. Ekādaśī runs from 00:12 on Fri 12 Feb to 21:29 on Fri 12 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-02-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17869, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1965-02-12T21:29:24+08:00", "utc": "1965-02-12T13:29:24Z", "ms": -154089035591.86755 }, "end": { "local": "1965-02-13T18:25:46+08:00", "utc": "1965-02-13T10:25:46Z", "ms": -154013654003.1449 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-02-12T21:29:24+08:00", "utc": "1965-02-12T13:29:24Z", "ms": -154089035591.86755 }, "end": { "local": "1965-02-13T18:25:46+08:00", "utc": "1965-02-13T10:25:46Z", "ms": -154013654003.1449 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-02-12", "window": { "start": { "local": "1965-02-12T12:39:58+08:00", "utc": "1965-02-12T04:39:58Z", "ms": -154120802300.4978 }, "end": { "local": "1965-02-12T13:27:58+08:00", "utc": "1965-02-12T05:27:58Z", "ms": -154117922300.4978 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-02-13", "window": { "start": { "local": "1965-02-13T12:39:57+08:00", "utc": "1965-02-13T04:39:57Z", "ms": -154034403179.6363 }, "end": { "local": "1965-02-13T13:27:57+08:00", "utc": "1965-02-13T05:27:57Z", "ms": -154031523179.6363 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:29 on Fri 12 Feb to 18:26 on Sat 13 Feb.", "fact": "1965-02-12T13:29:24Z → 1965-02-13T10:25:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 12th, 12:40–13:28 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17869 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Qingyang, 1965: Saturday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-02-13", "confidence": "determinate" } ], "quote": "In Qingyang, Bhīṣma Dvādaśī 1965 falls on Saturday 13 February. Dvādaśī runs from 21:29 on Fri 12 Feb to 18:26 on Sat 13 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/pradosha-vrata?on=1965-02-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-02-13", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 160, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-02-13T18:25:46+08:00", "utc": "1965-02-13T10:25:46Z", "ms": -154013654003.1449 }, "end": { "local": "1965-02-14T15:08:03+08:00", "utc": "1965-02-14T07:08:03Z", "ms": -153939117285.52444 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-02-13T18:25:46+08:00", "utc": "1965-02-13T10:25:46Z", "ms": -154013654003.1449 }, "end": { "local": "1965-02-14T15:08:03+08:00", "utc": "1965-02-14T07:08:03Z", "ms": -153939117285.52444 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-02-13", "window": { "start": { "local": "1965-02-13T18:28:26+08:00", "utc": "1965-02-13T10:28:26Z", "ms": -154013494483.6955 }, "end": { "local": "1965-02-13T20:13:45+08:00", "utc": "1965-02-13T12:13:45Z", "ms": -154007174576.62555 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "1965-02-14", "window": { "start": { "local": "1965-02-14T18:29:26+08:00", "utc": "1965-02-14T10:29:26Z", "ms": -153927034469.33945 }, "end": { "local": "1965-02-14T20:14:29+08:00", "utc": "1965-02-14T12:14:29Z", "ms": -153920731163.5459 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:26 on Sat 13 Feb to 15:08 on Sun 14 Feb.", "fact": "1965-02-13T10:25:46Z → 1965-02-14T07:08:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–20:14 on the 13th, 18:29–20:14 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 105 of 105 minutes on the 13th and 0 of 105 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 160 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1965: Saturday 13 February.", "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": "1965-02-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-02-13", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1965 falls on Saturday 13 February. Trayodaśī runs from 18:26 on Sat 13 Feb to 15:08 on Sun 14 Feb and covers all of pradoṣa that evening. It is 2 min 40 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-02-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3291, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-02-15T11:45:01+08:00", "utc": "1965-02-15T03:45:01Z", "ms": -153864898587.94476 }, "end": { "local": "1965-02-16T08:26:35+08:00", "utc": "1965-02-16T00:26:35Z", "ms": -153790404684.57248 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1965-02-15T11:45:01+08:00", "utc": "1965-02-15T03:45:01Z", "ms": -153864898587.94476 }, "end": { "local": "1965-02-16T08:26:35+08:00", "utc": "1965-02-16T00:26:35Z", "ms": -153790404684.57248 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-02-15", "window": { "start": { "local": "1965-02-15T12:39:53+08:00", "utc": "1965-02-15T04:39:53Z", "ms": -153861607221.02356 }, "end": { "local": "1965-02-15T13:27:53+08:00", "utc": "1965-02-15T05:27:53Z", "ms": -153858727221.02356 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-02-16", "window": { "start": { "local": "1965-02-16T12:39:50+08:00", "utc": "1965-02-16T04:39:50Z", "ms": -153775210350.88165 }, "end": { "local": "1965-02-16T13:27:50+08:00", "utc": "1965-02-16T05:27:50Z", "ms": -153772330350.88165 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:45 on Mon 15 Feb to 08:27 on Tue 16 Feb.", "fact": "1965-02-15T03:45:01Z → 1965-02-16T00:26:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 15th, 12:40–13:28 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3291 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Qingyang, 1965: Monday 15 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": "1965-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-02-15", "confidence": "determinate" } ], "quote": "In Qingyang, Māghī Pūrṇimā 1965 falls on Monday 15 February. Pūrṇimā runs from 11:45 on Mon 15 Feb to 08:27 on Tue 16 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/sankashta-chaturthi?on=1965-02-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4245, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-02-19T00:44:17+08:00", "utc": "1965-02-18T16:44:17Z", "ms": -153558943252.0835 }, "end": { "local": "1965-02-19T23:27:20+08:00", "utc": "1965-02-19T15:27:20Z", "ms": -153477159782.98624 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1965-02-19T00:44:17+08:00", "utc": "1965-02-18T16:44:17Z", "ms": -153558943252.0835 }, "end": { "local": "1965-02-19T23:27:20+08:00", "utc": "1965-02-19T15:27:20Z", "ms": -153477159782.98624 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-02-18", "window": { "start": { "local": "1965-02-18T21:11:32+08:00", "utc": "1965-02-18T13:11:32Z", "ms": -153571707952.0944 }, "end": { "local": "1965-02-18T21:11:32+08:00", "utc": "1965-02-18T13:11:32Z", "ms": -153571707952.0944 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-02-19", "window": { "start": { "local": "1965-02-19T22:16:35+08:00", "utc": "1965-02-19T14:16:35Z", "ms": -153481404831.25946 }, "end": { "local": "1965-02-19T22:16:35+08:00", "utc": "1965-02-19T14:16:35Z", "ms": -153481404831.25946 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:44 on Fri 19 Feb to 23:27 on Fri 19 Feb.", "fact": "1965-02-18T16:44:17Z → 1965-02-19T15:27:20Z" }, { "step": "kaala", "text": "Moonrise is at 21:12 on the 18th and 22:17 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4245 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1965: Friday 19 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-02-19", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1965 falls on Friday 19 February. Caturthī runs from 00:44 on Fri 19 Feb to 23:27 on Fri 19 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/sankashta-chaturthi?on=1965-02-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/ekadashi?on=1965-02-27", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1815, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-02-26T07:54:37+08:00", "utc": "1965-02-25T23:54:37Z", "ms": -152928323155.42853 }, "end": { "local": "1965-02-27T10:36:43+08:00", "utc": "1965-02-27T02:36:43Z", "ms": -152832197230.33896 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1965-02-26T07:54:37+08:00", "utc": "1965-02-25T23:54:37Z", "ms": -152928323155.42853 }, "end": { "local": "1965-02-27T10:36:43+08:00", "utc": "1965-02-27T02:36:43Z", "ms": -152832197230.33896 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-02-26", "window": { "start": { "local": "1965-02-26T07:24:22+08:00", "utc": "1965-02-25T23:24:22Z", "ms": -152930137723.7629 }, "end": { "local": "1965-02-26T07:24:22+08:00", "utc": "1965-02-25T23:24:22Z", "ms": -152930137723.7629 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-02-27", "window": { "start": { "local": "1965-02-27T07:23:06+08:00", "utc": "1965-02-26T23:23:06Z", "ms": -152843813835.73355 }, "end": { "local": "1965-02-27T07:23:06+08:00", "utc": "1965-02-26T23:23:06Z", "ms": -152843813835.73355 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:55 on Fri 26 Feb to 10:37 on Sat 27 Feb.", "fact": "1965-02-25T23:54:37Z → 1965-02-27T02:36:43Z" }, { "step": "kaala", "text": "Sunrise is at 07:24 on the 26th and 07:23 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1815 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Qingyang, 1965: Saturday 27 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": "1965-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-02-27", "confidence": "determinate" } ], "quote": "In Qingyang, Vijayā Ekādaśī 1965 falls on Saturday 27 February. Ekādaśī runs from 07:55 on Fri 26 Feb to 10:37 on Sat 27 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-02-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-02-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12810, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-02-28T13:04:59+08:00", "utc": "1965-02-28T05:04:59Z", "ms": -152736900636.34445 }, "end": { "local": "1965-03-01T15:10:18+08:00", "utc": "1965-03-01T07:10:18Z", "ms": -152642981891.56104 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1965-02-28T13:04:59+08:00", "utc": "1965-02-28T05:04:59Z", "ms": -152736900636.34445 }, "end": { "local": "1965-03-01T15:10:18+08:00", "utc": "1965-03-01T07:10:18Z", "ms": -152642981891.56104 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-02-28", "window": { "start": { "local": "1965-02-28T18:42:53+08:00", "utc": "1965-02-28T10:42:53Z", "ms": -152716627227.70865 }, "end": { "local": "1965-02-28T20:23:54+08:00", "utc": "1965-02-28T12:23:54Z", "ms": -152710566039.26578 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1965-03-01", "window": { "start": { "local": "1965-03-01T18:43:48+08:00", "utc": "1965-03-01T10:43:48Z", "ms": -152630171934.3584 }, "end": { "local": "1965-03-01T20:24:31+08:00", "utc": "1965-03-01T12:24:31Z", "ms": -152624128559.36343 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:05 on Sun 28 Feb to 15:10 on Mon 1 Mar.", "fact": "1965-02-28T05:04:59Z → 1965-03-01T07:10:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:24 on the 28th, 18:44–20:25 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 28th and 0 of 101 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12810 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1965: Sunday 28 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-02-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-02-28", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1965 falls on Sunday 28 February. Trayodaśī runs from 13:05 on Sun 28 Feb to 15:10 on Mon 1 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-02-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-03-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28178, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-03-01T15:10:18+08:00", "utc": "1965-03-01T07:10:18Z", "ms": -152642981891.56104 }, "end": { "local": "1965-03-02T16:47:41+08:00", "utc": "1965-03-02T08:47:41Z", "ms": -152550739026.9312 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1965-03-01T15:10:18+08:00", "utc": "1965-03-01T07:10:18Z", "ms": -152642981891.56104 }, "end": { "local": "1965-03-02T16:47:41+08:00", "utc": "1965-03-02T08:47:41Z", "ms": -152550739026.9312 } }, "kaala": "nishita", "days": [ { "local_date": "1965-03-01", "window": { "start": { "local": "1965-03-02T00:37:31+08:00", "utc": "1965-03-01T16:37:31Z", "ms": -152608949278.1273 }, "end": { "local": "1965-03-02T01:25:31+08:00", "utc": "1965-03-01T17:25:31Z", "ms": -152606069278.1273 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-03-02", "window": { "start": { "local": "1965-03-03T00:37:19+08:00", "utc": "1965-03-02T16:37:19Z", "ms": -152522561279.18033 }, "end": { "local": "1965-03-03T01:25:19+08:00", "utc": "1965-03-02T17:25:19Z", "ms": -152519681279.18033 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:10 on Mon 1 Mar to 16:48 on Tue 2 Mar.", "fact": "1965-03-01T07:10:18Z → 1965-03-02T08:47:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:38–01:26 on the 1st, 00:37–01:25 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "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 28178 s" }, { "step": "ruling", "text": "Mahāśivarātri, Qingyang, 1965: Monday 1 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-03-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-03-01", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāśivarātri 1965 falls on Monday 1 March. Caturdaśī runs from 15:10 on Mon 1 Mar to 16:48 on Tue 2 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-03-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17144, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-03-06T18:40:38+08:00", "utc": "1965-03-06T10:40:38Z", "ms": -152198361857.3911 }, "end": { "local": "1965-03-07T18:10:37+08:00", "utc": "1965-03-07T10:10:37Z", "ms": -152113763426.00064 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1965-03-06T18:40:38+08:00", "utc": "1965-03-06T10:40:38Z", "ms": -152198361857.3911 }, "end": { "local": "1965-03-07T18:10:37+08:00", "utc": "1965-03-07T10:10:37Z", "ms": -152113763426.00064 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-03-06", "window": { "start": { "local": "1965-03-06T12:37:07+08:00", "utc": "1965-03-06T04:37:07Z", "ms": -152220173226.92126 }, "end": { "local": "1965-03-06T13:25:07+08:00", "utc": "1965-03-06T05:25:07Z", "ms": -152217293226.92126 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-03-07", "window": { "start": { "local": "1965-03-07T12:36:53+08:00", "utc": "1965-03-07T04:36:53Z", "ms": -152133787204.167 }, "end": { "local": "1965-03-07T13:24:53+08:00", "utc": "1965-03-07T05:24:53Z", "ms": -152130907204.167 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:41 on Sat 6 Mar to 18:11 on Sun 7 Mar.", "fact": "1965-03-06T10:40:38Z → 1965-03-07T10:10:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 6th, 12:37–13:25 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17144 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1965: Sunday 7 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": "1965-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-03-07", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1965 falls on Sunday 7 March. Caturthī runs from 18:41 on Sat 6 Mar to 18:11 on Sun 7 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-03-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/ekadashi?on=1965-03-13", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4321, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-03-13T08:26:54+08:00", "utc": "1965-03-13T00:26:54Z", "ms": -151630386369.23013 }, "end": { "local": "1965-03-14T05:50:49+08:00", "utc": "1965-03-13T21:50:49Z", "ms": -151553351391.5152 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1965-03-13T08:26:54+08:00", "utc": "1965-03-13T00:26:54Z", "ms": -151630386369.23013 }, "end": { "local": "1965-03-14T05:50:49+08:00", "utc": "1965-03-13T21:50:49Z", "ms": -151553351391.5152 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-03-13", "window": { "start": { "local": "1965-03-13T07:04:14+08:00", "utc": "1965-03-12T23:04:14Z", "ms": -151635346120.88318 }, "end": { "local": "1965-03-13T07:04:14+08:00", "utc": "1965-03-12T23:04:14Z", "ms": -151635346120.88318 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-03-14", "window": { "start": { "local": "1965-03-14T07:02:49+08:00", "utc": "1965-03-13T23:02:49Z", "ms": -151549030590.00064 }, "end": { "local": "1965-03-14T07:02:49+08:00", "utc": "1965-03-13T23:02:49Z", "ms": -151549030590.00064 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:27 on Sat 13 Mar to 05:51 on Sun 14 Mar.", "fact": "1965-03-13T00:26:54Z → 1965-03-13T21:50:49Z" }, { "step": "kaala", "text": "Sunrise is at 07:04 on the 13th and 07:03 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 not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 4321 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Qingyang, 1965: Saturday 13 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": "1965-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-03-13", "confidence": "determinate" } ], "quote": "In Qingyang, Āmalakī Ekādaśī 1965 falls on Saturday 13 March. Ekādaśī runs from 08:27 on Sat 13 Mar to 05:51 on Sun 14 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-03-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-03-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13770, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-03-15T03:06:56+08:00", "utc": "1965-03-14T19:06:56Z", "ms": -151476784142.1077 }, "end": { "local": "1965-03-16T00:22:11+08:00", "utc": "1965-03-15T16:22:11Z", "ms": -151400269178.98804 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1965-03-15T03:06:56+08:00", "utc": "1965-03-14T19:06:56Z", "ms": -151476784142.1077 }, "end": { "local": "1965-03-16T00:22:11+08:00", "utc": "1965-03-15T16:22:11Z", "ms": -151400269178.98804 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-03-14", "window": { "start": { "local": "1965-03-14T18:55:19+08:00", "utc": "1965-03-14T10:55:19Z", "ms": -151506280687.94138 }, "end": { "local": "1965-03-14T20:32:08+08:00", "utc": "1965-03-14T12:32:08Z", "ms": -151500471979.2152 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "1965-03-15", "window": { "start": { "local": "1965-03-15T18:56:11+08:00", "utc": "1965-03-15T10:56:11Z", "ms": -151419829430.60107 }, "end": { "local": "1965-03-15T20:32:41+08:00", "utc": "1965-03-15T12:32:41Z", "ms": -151414038897.91486 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:07 on Mon 15 Mar to 00:22 on Tue 16 Mar.", "fact": "1965-03-14T19:06:56Z → 1965-03-15T16:22:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:32 on the 14th, 18:56–20:33 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 14th and 97 of 97 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13770 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1965: Monday 15 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": "1965-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-03-15", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1965 falls on Monday 15 March. Trayodaśī runs from 03:07 on Mon 15 Mar to 00:22 on Tue 16 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-03-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1555, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-03-16T21:44:47+08:00", "utc": "1965-03-16T13:44:47Z", "ms": -151323313235.54858 }, "end": { "local": "1965-03-17T19:23:48+08:00", "utc": "1965-03-17T11:23:48Z", "ms": -151245372306.65692 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1965-03-16T21:44:47+08:00", "utc": "1965-03-16T13:44:47Z", "ms": -151323313235.54858 }, "end": { "local": "1965-03-17T19:23:48+08:00", "utc": "1965-03-17T11:23:48Z", "ms": -151245372306.65692 } }, "kaala": "sayahna", "days": [ { "local_date": "1965-03-16", "window": { "start": { "local": "1965-03-16T16:33:37+08:00", "utc": "1965-03-16T08:33:37Z", "ms": -151341982800.32614 }, "end": { "local": "1965-03-16T18:57:02+08:00", "utc": "1965-03-16T10:57:02Z", "ms": -151333378391.54407 } }, "covered_min": 0, "window_min": 143, "qualifies": false }, { "local_date": "1965-03-17", "window": { "start": { "local": "1965-03-17T16:34:01+08:00", "utc": "1965-03-17T08:34:01Z", "ms": -151255559192.1932 }, "end": { "local": "1965-03-17T18:57:52+08:00", "utc": "1965-03-17T10:57:52Z", "ms": -151246927553.72806 } }, "covered_min": 144, "window_min": 144, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:45 on Tue 16 Mar to 19:24 on Wed 17 Mar.", "fact": "1965-03-16T13:44:47Z → 1965-03-17T11:23:48Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:34–18:57 on the 16th, 16:34–18:58 on the 17th.", "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 143 minutes on the 16th and 144 of 144 on the 17th.", "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 1555 s" }, { "step": "ruling", "text": "Holikā Dahana, Qingyang, 1965: Wednesday 17 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holika-dahana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.", "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-03-17", "confidence": "determinate" } ], "quote": "In Qingyang, Holikā Dahana 1965 falls on Wednesday 17 March. Pūrṇimā runs from 21:45 on Tue 16 Mar to 19:24 on Wed 17 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1555, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-03-16T21:44:47+08:00", "utc": "1965-03-16T13:44:47Z", "ms": -151323313235.54858 }, "end": { "local": "1965-03-17T19:23:48+08:00", "utc": "1965-03-17T11:23:48Z", "ms": -151245372306.65692 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1965-03-16T21:44:47+08:00", "utc": "1965-03-16T13:44:47Z", "ms": -151323313235.54858 }, "end": { "local": "1965-03-17T19:23:48+08:00", "utc": "1965-03-17T11:23:48Z", "ms": -151245372306.65692 } }, "kaala": "sayahna", "days": [ { "local_date": "1965-03-16", "window": { "start": { "local": "1965-03-16T16:33:37+08:00", "utc": "1965-03-16T08:33:37Z", "ms": -151341982800.32614 }, "end": { "local": "1965-03-16T18:57:02+08:00", "utc": "1965-03-16T10:57:02Z", "ms": -151333378391.54407 } }, "covered_min": 0, "window_min": 143, "qualifies": false }, { "local_date": "1965-03-17", "window": { "start": { "local": "1965-03-17T16:34:01+08:00", "utc": "1965-03-17T08:34:01Z", "ms": -151255559192.1932 }, "end": { "local": "1965-03-17T18:57:52+08:00", "utc": "1965-03-17T10:57:52Z", "ms": -151246927553.72806 } }, "covered_min": 144, "window_min": 144, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1965-03-17", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:45 on Tue 16 Mar to 19:24 on Wed 17 Mar.", "fact": "1965-03-16T13:44:47Z → 1965-03-17T11:23:48Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:34–18:57 on the 16th, 16:34–18:58 on the 17th.", "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 143 minutes on the 16th and 144 of 144 on the 17th.", "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 1555 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Wednesday 17 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Qingyang, 1965: Thursday 18 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holi", "follows": { "festival": "holika-dahana", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-03-18", "confidence": "determinate" } ], "quote": "In Qingyang, Holī 1965 falls on Thursday 18 March. It is kept the day after Holikā Dahana, which falls on Wednesday 17 March. Pūrṇimā runs from 21:45 on Tue 16 Mar to 19:24 on Wed 17 Mar and covers all of sāyāhna on the 17th.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37884, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1965-03-17T19:23:48+08:00", "utc": "1965-03-17T11:23:48Z", "ms": -151245372306.65692 }, "end": { "local": "1965-03-18T17:28:33+08:00", "utc": "1965-03-18T09:28:33Z", "ms": -151165887237.34045 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-03-17T19:23:48+08:00", "utc": "1965-03-17T11:23:48Z", "ms": -151245372306.65692 }, "end": { "local": "1965-03-18T17:28:33+08:00", "utc": "1965-03-18T09:28:33Z", "ms": -151165887237.34045 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-03-17", "window": { "start": { "local": "1965-03-17T06:58:34+08:00", "utc": "1965-03-16T22:58:34Z", "ms": -151290085746.05386 }, "end": { "local": "1965-03-17T06:58:34+08:00", "utc": "1965-03-16T22:58:34Z", "ms": -151290085746.05386 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-03-18", "window": { "start": { "local": "1965-03-18T06:57:09+08:00", "utc": "1965-03-17T22:57:09Z", "ms": -151203771271.729 }, "end": { "local": "1965-03-18T06:57:09+08:00", "utc": "1965-03-17T22:57:09Z", "ms": -151203771271.729 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:24 on Wed 17 Mar to 17:29 on Thu 18 Mar.", "fact": "1965-03-17T11:23:48Z → 1965-03-18T09:28:33Z" }, { "step": "kaala", "text": "Sunrise is at 06:59 on the 17th and 06:57 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37884 s" }, { "step": "ruling", "text": "Vasantotsava, Qingyang, 1965: Thursday 18 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": "1965-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-03-18", "confidence": "determinate" } ], "quote": "In Qingyang, Vasantotsava 1965 falls on Thursday 18 March. Pratipadā runs from 19:24 on Wed 17 Mar to 17:29 on Thu 18 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/sankashta-chaturthi?on=1965-03-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23741, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-03-20T15:29:00+08:00", "utc": "1965-03-20T07:29:00Z", "ms": -151000260190.5654 }, "end": { "local": "1965-03-21T15:36:41+08:00", "utc": "1965-03-21T07:36:41Z", "ms": -150913399030.68094 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-03-20T15:29:00+08:00", "utc": "1965-03-20T07:29:00Z", "ms": -151000260190.5654 }, "end": { "local": "1965-03-21T15:36:41+08:00", "utc": "1965-03-21T07:36:41Z", "ms": -150913399030.68094 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-03-20", "window": { "start": { "local": "1965-03-20T22:04:41+08:00", "utc": "1965-03-20T14:04:41Z", "ms": -150976518780.25848 }, "end": { "local": "1965-03-20T22:04:41+08:00", "utc": "1965-03-20T14:04:41Z", "ms": -150976518780.25848 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-03-21", "window": { "start": { "local": "1965-03-21T23:07:01+08:00", "utc": "1965-03-21T15:07:01Z", "ms": -150886378641.09824 }, "end": { "local": "1965-03-21T23:07:01+08:00", "utc": "1965-03-21T15:07:01Z", "ms": -150886378641.09824 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:29 on Sat 20 Mar to 15:37 on Sun 21 Mar.", "fact": "1965-03-20T07:29:00Z → 1965-03-21T07:36:41Z" }, { "step": "kaala", "text": "Moonrise is at 22:05 on the 20th and 23:07 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 23741 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1965: Saturday 20 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": "1965-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-03-20", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1965 falls on Saturday 20 March. Caturthī runs from 15:29 on Sat 20 Mar to 15:37 on Sun 21 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/sankashta-chaturthi?on=1965-03-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25306, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1965-03-24T20:21:54+08:00", "utc": "1965-03-24T12:21:54Z", "ms": -150637085733.95776 }, "end": { "local": "1965-03-25T22:54:14+08:00", "utc": "1965-03-25T14:54:14Z", "ms": -150541545791.71478 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-03-24T20:21:54+08:00", "utc": "1965-03-24T12:21:54Z", "ms": -150637085733.95776 }, "end": { "local": "1965-03-25T22:54:14+08:00", "utc": "1965-03-25T14:54:14Z", "ms": -150541545791.71478 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-03-24", "window": { "start": { "local": "1965-03-24T12:32:08+08:00", "utc": "1965-03-24T04:32:08Z", "ms": -150665271549.61722 }, "end": { "local": "1965-03-24T13:20:08+08:00", "utc": "1965-03-24T05:20:08Z", "ms": -150662391549.61722 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-03-25", "window": { "start": { "local": "1965-03-25T12:31:50+08:00", "utc": "1965-03-25T04:31:50Z", "ms": -150578889727.2824 }, "end": { "local": "1965-03-25T13:19:50+08:00", "utc": "1965-03-25T05:19:50Z", "ms": -150576009727.2824 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:22 on Wed 24 Mar to 22:54 on Thu 25 Mar.", "fact": "1965-03-24T12:21:54Z → 1965-03-25T14:54:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 24th, 12:32–13:20 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25306 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Qingyang, 1965: Thursday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-03-25", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalāṣṭamī 1965 falls on Thursday 25 March. Aṣṭamī runs from 20:22 on Wed 24 Mar to 22:54 on Thu 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-03-28", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2622, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-03-28T03:56:17+08:00", "utc": "1965-03-27T19:56:17Z", "ms": -150350623004.71118 }, "end": { "local": "1965-03-29T05:57:40+08:00", "utc": "1965-03-28T21:57:40Z", "ms": -150256939768.00638 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-03-28T03:56:17+08:00", "utc": "1965-03-27T19:56:17Z", "ms": -150350623004.71118 }, "end": { "local": "1965-03-29T05:57:40+08:00", "utc": "1965-03-28T21:57:40Z", "ms": -150256939768.00638 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-03-28", "window": { "start": { "local": "1965-03-28T06:42:49+08:00", "utc": "1965-03-27T22:42:49Z", "ms": -150340631486.28418 }, "end": { "local": "1965-03-28T06:42:49+08:00", "utc": "1965-03-27T22:42:49Z", "ms": -150340631486.28418 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-03-29", "window": { "start": { "local": "1965-03-29T06:41:23+08:00", "utc": "1965-03-28T22:41:23Z", "ms": -150254317345.86047 }, "end": { "local": "1965-03-29T06:41:23+08:00", "utc": "1965-03-28T22:41:23Z", "ms": -150254317345.86047 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:56 on Sun 28 Mar to 05:58 on Mon 29 Mar.", "fact": "1965-03-27T19:56:17Z → 1965-03-28T21:57:40Z" }, { "step": "kaala", "text": "Sunrise is at 06:43 on the 28th and 06:41 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 2622 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Qingyang, 1965: Sunday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-03-28", "confidence": "determinate" } ], "quote": "In Qingyang, Pāpamocanī Ekādaśī 1965 falls on Sunday 28 March. Ekādaśī runs from 03:56 on Sun 28 Mar to 05:58 on Mon 29 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-03-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-03-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38790, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-03-30T07:26:39+08:00", "utc": "1965-03-29T23:26:39Z", "ms": -150165200804.15686 }, "end": { "local": "1965-03-31T08:19:29+08:00", "utc": "1965-03-31T00:19:29Z", "ms": -150075631149.94513 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-03-30T07:26:39+08:00", "utc": "1965-03-29T23:26:39Z", "ms": -150165200804.15686 }, "end": { "local": "1965-03-31T08:19:29+08:00", "utc": "1965-03-31T00:19:29Z", "ms": -150075631149.94513 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-03-29", "window": { "start": { "local": "1965-03-29T19:07:52+08:00", "utc": "1965-03-29T11:07:52Z", "ms": -150209527566.079 }, "end": { "local": "1965-03-29T20:40:09+08:00", "utc": "1965-03-29T12:40:09Z", "ms": -150203990965.4263 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "1965-03-30", "window": { "start": { "local": "1965-03-30T19:08:42+08:00", "utc": "1965-03-30T11:08:42Z", "ms": -150123078037.69437 }, "end": { "local": "1965-03-30T20:40:41+08:00", "utc": "1965-03-30T12:40:41Z", "ms": -150117559446.62946 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:27 on Tue 30 Mar to 08:19 on Wed 31 Mar.", "fact": "1965-03-29T23:26:39Z → 1965-03-31T00:19:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:08–20:40 on the 29th, 19:09–20:41 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 0 of 92 minutes on the 29th and 92 of 92 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38790 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1965: Tuesday 30 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": "1965-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-03-30", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1965 falls on Tuesday 30 March. Trayodaśī runs from 07:27 on Tue 30 Mar to 08:19 on Wed 31 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-03-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/shivaratri?on=1965-03-31", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25312, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-03-31T08:19:29+08:00", "utc": "1965-03-31T00:19:29Z", "ms": -150075631149.94513 }, "end": { "local": "1965-04-01T08:36:24+08:00", "utc": "1965-04-01T00:36:24Z", "ms": -149988215917.52545 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-03-31T08:19:29+08:00", "utc": "1965-03-31T00:19:29Z", "ms": -150075631149.94513 }, "end": { "local": "1965-04-01T08:36:24+08:00", "utc": "1965-04-01T00:36:24Z", "ms": -149988215917.52545 } }, "kaala": "nishita", "days": [ { "local_date": "1965-03-30", "window": { "start": { "local": "1965-03-31T00:29:37+08:00", "utc": "1965-03-30T16:29:37Z", "ms": -150103823321.20093 }, "end": { "local": "1965-03-31T01:17:37+08:00", "utc": "1965-03-30T17:17:37Z", "ms": -150100943321.20093 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-03-31", "window": { "start": { "local": "1965-04-01T00:29:19+08:00", "utc": "1965-03-31T16:29:19Z", "ms": -150017441244.449 }, "end": { "local": "1965-04-01T01:17:19+08:00", "utc": "1965-03-31T17:17:19Z", "ms": -150014561244.449 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:19 on Wed 31 Mar to 08:36 on Thu 1 Apr.", "fact": "1965-03-31T00:19:29Z → 1965-04-01T00:36:24Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:30–01:18 on the 30th, 00:29–01:17 on the 31st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25312 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1965: Wednesday 31 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-03-31", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1965 falls on Wednesday 31 March. Caturdaśī runs from 08:19 on Wed 31 Mar to 08:36 on Thu 1 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1965/shivaratri?on=1965-03-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14934, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1965-04-02T08:20:31+08:00", "utc": "1965-04-02T00:20:31Z", "ms": -149902768687.40466 }, "end": { "local": "1965-04-03T07:36:35+08:00", "utc": "1965-04-02T23:36:35Z", "ms": -149819005082.70303 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-04-02T08:20:31+08:00", "utc": "1965-04-02T00:20:31Z", "ms": -149902768687.40466 }, "end": { "local": "1965-04-03T07:36:35+08:00", "utc": "1965-04-02T23:36:35Z", "ms": -149819005082.70303 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-04-02", "window": { "start": { "local": "1965-04-02T12:29:26+08:00", "utc": "1965-04-02T04:29:26Z", "ms": -149887834339.72324 }, "end": { "local": "1965-04-02T13:17:26+08:00", "utc": "1965-04-02T05:17:26Z", "ms": -149884954339.72324 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-04-03", "window": { "start": { "local": "1965-04-03T12:29:08+08:00", "utc": "1965-04-03T04:29:08Z", "ms": -149801452053.25266 }, "end": { "local": "1965-04-03T13:17:08+08:00", "utc": "1965-04-03T05:17:08Z", "ms": -149798572053.25266 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 08:21 on Fri 2 Apr to 07:37 on Sat 3 Apr.", "fact": "1965-04-02T00:20:31Z → 1965-04-02T23:36:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 2nd, 12:29–13:17 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14934 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Qingyang, 1965: Friday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-02", "confidence": "determinate" } ], "quote": "In Qingyang, Navarātrārambha (Caitra) (Chaitra Navratri) 1965 falls on Friday 2 April. Pratipadā runs from 08:21 on Fri 2 Apr to 07:37 on Sat 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21537, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1965-04-04T06:29:53+08:00", "utc": "1965-04-03T22:29:53Z", "ms": -149736606957.26614 }, "end": { "local": "1965-04-05T05:05:29+08:00", "utc": "1965-04-04T21:05:29Z", "ms": -149655270899.07806 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-04-04T06:29:53+08:00", "utc": "1965-04-03T22:29:53Z", "ms": -149736606957.26614 }, "end": { "local": "1965-04-05T05:05:29+08:00", "utc": "1965-04-04T21:05:29Z", "ms": -149655270899.07806 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-04-04", "window": { "start": { "local": "1965-04-04T12:28:50+08:00", "utc": "1965-04-04T04:28:50Z", "ms": -149715069633.17627 }, "end": { "local": "1965-04-04T13:16:50+08:00", "utc": "1965-04-04T05:16:50Z", "ms": -149712189633.17627 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-04-05", "window": { "start": { "local": "1965-04-05T12:28:33+08:00", "utc": "1965-04-05T04:28:33Z", "ms": -149628687064.74023 }, "end": { "local": "1965-04-05T13:16:33+08:00", "utc": "1965-04-05T05:16:33Z", "ms": -149625807064.74023 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:30 on Sun 4 Apr to 05:05 on Mon 5 Apr.", "fact": "1965-04-03T22:29:53Z → 1965-04-04T21:05:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 4th, 12:29–13:17 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21537 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Qingyang, 1965: Sunday 4 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-04", "confidence": "determinate" } ], "quote": "In Qingyang, Gaurī Tṛtīyā (Gangaur) 1965 falls on Sunday 4 April. Tṛtīyā runs from 06:30 on Sun 4 Apr to 05:05 on Mon 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21537, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1965-04-04T06:29:53+08:00", "utc": "1965-04-03T22:29:53Z", "ms": -149736606957.26614 }, "end": { "local": "1965-04-05T05:05:29+08:00", "utc": "1965-04-04T21:05:29Z", "ms": -149655270899.07806 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-04-04T06:29:53+08:00", "utc": "1965-04-03T22:29:53Z", "ms": -149736606957.26614 }, "end": { "local": "1965-04-05T05:05:29+08:00", "utc": "1965-04-04T21:05:29Z", "ms": -149655270899.07806 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-04-04", "window": { "start": { "local": "1965-04-04T12:28:50+08:00", "utc": "1965-04-04T04:28:50Z", "ms": -149715069633.17627 }, "end": { "local": "1965-04-04T13:16:50+08:00", "utc": "1965-04-04T05:16:50Z", "ms": -149712189633.17627 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-04-05", "window": { "start": { "local": "1965-04-05T12:28:33+08:00", "utc": "1965-04-05T04:28:33Z", "ms": -149628687064.74023 }, "end": { "local": "1965-04-05T13:16:33+08:00", "utc": "1965-04-05T05:16:33Z", "ms": -149625807064.74023 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:30 on Sun 4 Apr to 05:05 on Mon 5 Apr.", "fact": "1965-04-03T22:29:53Z → 1965-04-04T21:05:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 4th, 12:29–13:17 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21537 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Qingyang, 1965: Sunday 4 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-04", "confidence": "determinate" } ], "quote": "In Qingyang, Saubhāgya Śayana Vrata 1965 falls on Sunday 4 April. Tṛtīyā runs from 06:30 on Sun 4 Apr to 05:05 on Mon 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-04-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26584, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-04-05T05:05:29+08:00", "utc": "1965-04-04T21:05:29Z", "ms": -149655270899.07806 }, "end": { "local": "1965-04-06T03:27:41+08:00", "utc": "1965-04-05T19:27:41Z", "ms": -149574739293.66617 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-04-05T05:05:29+08:00", "utc": "1965-04-04T21:05:29Z", "ms": -149655270899.07806 }, "end": { "local": "1965-04-06T03:27:41+08:00", "utc": "1965-04-05T19:27:41Z", "ms": -149574739293.66617 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-04-05", "window": { "start": { "local": "1965-04-05T12:28:33+08:00", "utc": "1965-04-05T04:28:33Z", "ms": -149628687064.74023 }, "end": { "local": "1965-04-05T13:16:33+08:00", "utc": "1965-04-05T05:16:33Z", "ms": -149625807064.74023 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-04-06", "window": { "start": { "local": "1965-04-06T12:28:16+08:00", "utc": "1965-04-06T04:28:16Z", "ms": -149542304333.16357 }, "end": { "local": "1965-04-06T13:16:16+08:00", "utc": "1965-04-06T05:16:16Z", "ms": -149539424333.16357 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:05 on Mon 5 Apr to 03:28 on Tue 6 Apr.", "fact": "1965-04-04T21:05:29Z → 1965-04-05T19:27:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 5th, 12:28–13:16 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 26584 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1965: Monday 5 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-05", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1965 falls on Monday 5 April. Caturthī runs from 05:05 on Mon 5 Apr to 03:28 on Tue 6 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-04-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32435, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1965-04-06T03:27:41+08:00", "utc": "1965-04-05T19:27:41Z", "ms": -149574739293.66617 }, "end": { "local": "1965-04-07T01:39:46+08:00", "utc": "1965-04-06T17:39:46Z", "ms": -149494813996.39166 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-04-06T03:27:41+08:00", "utc": "1965-04-05T19:27:41Z", "ms": -149574739293.66617 }, "end": { "local": "1965-04-07T01:39:46+08:00", "utc": "1965-04-06T17:39:46Z", "ms": -149494813996.39166 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-04-06", "window": { "start": { "local": "1965-04-06T12:28:16+08:00", "utc": "1965-04-06T04:28:16Z", "ms": -149542304333.16357 }, "end": { "local": "1965-04-06T13:16:16+08:00", "utc": "1965-04-06T05:16:16Z", "ms": -149539424333.16357 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-04-07", "window": { "start": { "local": "1965-04-07T12:27:59+08:00", "utc": "1965-04-07T04:27:59Z", "ms": -149455921423.37354 }, "end": { "local": "1965-04-07T13:15:59+08:00", "utc": "1965-04-07T05:15:59Z", "ms": -149453041423.37354 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:28 on Tue 6 Apr to 01:40 on Wed 7 Apr.", "fact": "1965-04-05T19:27:41Z → 1965-04-06T17:39:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 6th, 12:28–13:16 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32435 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Qingyang, 1965: Tuesday 6 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-06", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pañcamī 1965 falls on Tuesday 6 April. Pañcamī runs from 03:28 on Tue 6 Apr to 01:40 on Wed 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22840, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1965-04-08T21:42:23+08:00", "utc": "1965-04-08T13:42:23Z", "ms": -149336256580.93625 }, "end": { "local": "1965-04-09T19:36:05+08:00", "utc": "1965-04-09T11:36:05Z", "ms": -149257434874.78812 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-04-08T21:42:23+08:00", "utc": "1965-04-08T13:42:23Z", "ms": -149336256580.93625 }, "end": { "local": "1965-04-09T19:36:05+08:00", "utc": "1965-04-09T11:36:05Z", "ms": -149257434874.78812 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-04-08", "window": { "start": { "local": "1965-04-08T12:27:42+08:00", "utc": "1965-04-08T04:27:42Z", "ms": -149369538319.76196 }, "end": { "local": "1965-04-08T13:15:42+08:00", "utc": "1965-04-08T05:15:42Z", "ms": -149366658319.76196 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-04-09", "window": { "start": { "local": "1965-04-09T12:27:25+08:00", "utc": "1965-04-09T04:27:25Z", "ms": -149283155005.99472 }, "end": { "local": "1965-04-09T13:15:25+08:00", "utc": "1965-04-09T05:15:25Z", "ms": -149280275005.99472 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 21:42 on Thu 8 Apr to 19:36 on Fri 9 Apr.", "fact": "1965-04-08T13:42:23Z → 1965-04-09T11:36:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 8th, 12:27–13:15 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22840 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Qingyang, 1965: Friday 9 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": "1965-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-09", "confidence": "determinate" } ], "quote": "In Qingyang, Bhavānī Utpatti 1965 falls on Friday 9 April. Aṣṭamī runs from 21:42 on Thu 8 Apr to 19:36 on Fri 9 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15108, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1965-04-09T19:36:05+08:00", "utc": "1965-04-09T11:36:05Z", "ms": -149257434874.78812 }, "end": { "local": "1965-04-10T17:26:56+08:00", "utc": "1965-04-10T09:26:56Z", "ms": -149178783764.46597 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-04-09T19:36:05+08:00", "utc": "1965-04-09T11:36:05Z", "ms": -149257434874.78812 }, "end": { "local": "1965-04-10T17:26:56+08:00", "utc": "1965-04-10T09:26:56Z", "ms": -149178783764.46597 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-04-09", "window": { "start": { "local": "1965-04-09T12:27:25+08:00", "utc": "1965-04-09T04:27:25Z", "ms": -149283155005.99472 }, "end": { "local": "1965-04-09T13:15:25+08:00", "utc": "1965-04-09T05:15:25Z", "ms": -149280275005.99472 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-04-10", "window": { "start": { "local": "1965-04-10T12:27:09+08:00", "utc": "1965-04-10T04:27:09Z", "ms": -149196771464.89978 }, "end": { "local": "1965-04-10T13:15:09+08:00", "utc": "1965-04-10T05:15:09Z", "ms": -149193891464.89978 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 19:36 on Fri 9 Apr to 17:27 on Sat 10 Apr.", "fact": "1965-04-09T11:36:05Z → 1965-04-10T09:26:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 9th, 12:27–13:15 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 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: unstated → only-day · margin 15108 s" }, { "step": "ruling", "text": "Rāma Navamī, Qingyang, 1965: Saturday 10 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": "1965-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-10", "confidence": "determinate" } ], "quote": "In Qingyang, Rāma Navamī 1965 falls on Saturday 10 April. Navamī runs from 19:36 on Fri 9 Apr to 17:27 on Sat 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-04-12", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24552, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-04-11T15:17:25+08:00", "utc": "1965-04-11T07:17:25Z", "ms": -149100155143.65305 }, "end": { "local": "1965-04-12T13:11:01+08:00", "utc": "1965-04-12T05:11:01Z", "ms": -149021339486.20624 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-04-11T15:17:25+08:00", "utc": "1965-04-11T07:17:25Z", "ms": -149100155143.65305 }, "end": { "local": "1965-04-12T13:11:01+08:00", "utc": "1965-04-12T05:11:01Z", "ms": -149021339486.20624 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-04-11", "window": { "start": { "local": "1965-04-11T06:23:09+08:00", "utc": "1965-04-10T22:23:09Z", "ms": -149132210582.61108 }, "end": { "local": "1965-04-11T06:23:09+08:00", "utc": "1965-04-10T22:23:09Z", "ms": -149132210582.61108 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-04-12", "window": { "start": { "local": "1965-04-12T06:21:48+08:00", "utc": "1965-04-11T22:21:48Z", "ms": -149045891952.6978 }, "end": { "local": "1965-04-12T06:21:48+08:00", "utc": "1965-04-11T22:21:48Z", "ms": -149045891952.6978 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:17 on Sun 11 Apr to 13:11 on Mon 12 Apr.", "fact": "1965-04-11T07:17:25Z → 1965-04-12T05:11:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 11th and 06:22 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 24552 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Qingyang, 1965: Monday 12 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": "1965-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-12", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmadā Ekādaśī 1965 falls on Monday 12 April. Ekādaśī runs from 15:17 on Sun 11 Apr to 13:11 on Mon 12 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-04-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35021, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1965-04-13T20:35:25+08:00", "utc": "1965-04-13T12:35:25Z", "ms": -148908274532.85962 }, "end": { "local": "1965-05-14T17:32:32+08:00", "utc": "1965-05-14T09:32:32Z", "ms": -146240848290.3072 } }, "span": { "of": "transit", "start": { "local": "1965-04-13T20:35:25+08:00", "utc": "1965-04-13T12:35:25Z", "ms": -148908274532.85962 }, "end": { "local": "1965-04-13T20:35:25+08:00", "utc": "1965-04-13T12:35:25Z", "ms": -148908274532.85962 } }, "kaala": "day", "days": [ { "local_date": "1965-04-13", "window": { "start": { "local": "1965-04-13T06:20:27+08:00", "utc": "1965-04-12T22:20:27Z", "ms": -148959572786.5759 }, "end": { "local": "1965-04-14T06:19:07+08:00", "utc": "1965-04-13T22:19:07Z", "ms": -148873253052.97708 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1965-04-14", "window": { "start": { "local": "1965-04-14T06:19:07+08:00", "utc": "1965-04-13T22:19:07Z", "ms": -148873253052.97708 }, "end": { "local": "1965-04-15T06:17:47+08:00", "utc": "1965-04-14T22:17:47Z", "ms": -148786932720.595 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 20:35 on Tue 13 Apr.", "fact": "1965-04-13T12:35:25Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:20 on the 13th, and from 06:19 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 35021 s" }, { "step": "ruling", "text": "Vaiśākhī, Qingyang, 1965: Tuesday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1965-04-13", "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": "1965-04-14", "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 Qingyang, Vaiśākhī 1965 falls on Tuesday 13 April. The Sun enters Meṣa at 20:35 on Tue 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/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4440, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-04-13T11:12:20+08:00", "utc": "1965-04-13T03:12:20Z", "ms": -148942059714.66733 }, "end": { "local": "1965-04-14T09:27:02+08:00", "utc": "1965-04-14T01:27:02Z", "ms": -148861977769.2781 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-04-13T11:12:20+08:00", "utc": "1965-04-13T03:12:20Z", "ms": -148942059714.66733 }, "end": { "local": "1965-04-14T09:27:02+08:00", "utc": "1965-04-14T01:27:02Z", "ms": -148861977769.2781 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-04-13", "window": { "start": { "local": "1965-04-13T12:26:21+08:00", "utc": "1965-04-13T04:26:21Z", "ms": -148937619293.61166 }, "end": { "local": "1965-04-13T13:14:21+08:00", "utc": "1965-04-13T05:14:21Z", "ms": -148934739293.61166 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-04-14", "window": { "start": { "local": "1965-04-14T12:26:05+08:00", "utc": "1965-04-14T04:26:05Z", "ms": -148851234656.06763 }, "end": { "local": "1965-04-14T13:14:05+08:00", "utc": "1965-04-14T05:14:05Z", "ms": -148848354656.06763 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:12 on Tue 13 Apr to 09:27 on Wed 14 Apr.", "fact": "1965-04-13T03:12:20Z → 1965-04-14T01:27:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 13th, 12:26–13:14 on the 14th.", "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 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 4440 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Qingyang, 1965: Tuesday 13 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": "1965-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-13", "confidence": "determinate" } ], "quote": "In Qingyang, Anaṅga Trayodaśī 1965 falls on Tuesday 13 April. Trayodaśī runs from 11:12 on Tue 13 Apr to 09:27 on Wed 14 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/pradosha-vrata?on=1965-04-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29274, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-04-13T11:12:20+08:00", "utc": "1965-04-13T03:12:20Z", "ms": -148942059714.66733 }, "end": { "local": "1965-04-14T09:27:02+08:00", "utc": "1965-04-14T01:27:02Z", "ms": -148861977769.2781 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-04-13T11:12:20+08:00", "utc": "1965-04-13T03:12:20Z", "ms": -148942059714.66733 }, "end": { "local": "1965-04-14T09:27:02+08:00", "utc": "1965-04-14T01:27:02Z", "ms": -148861977769.2781 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-04-13", "window": { "start": { "local": "1965-04-13T19:20:14+08:00", "utc": "1965-04-13T11:20:14Z", "ms": -148912785800.64743 }, "end": { "local": "1965-04-13T20:48:05+08:00", "utc": "1965-04-13T12:48:05Z", "ms": -148907514767.62473 } }, "covered_min": 88, "window_min": 88, "qualifies": true }, { "local_date": "1965-04-14", "window": { "start": { "local": "1965-04-14T19:21:04+08:00", "utc": "1965-04-14T11:21:04Z", "ms": -148826336259.15814 }, "end": { "local": "1965-04-14T20:48:38+08:00", "utc": "1965-04-14T12:48:38Z", "ms": -148821082454.0164 } }, "covered_min": 0, "window_min": 88, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:12 on Tue 13 Apr to 09:27 on Wed 14 Apr.", "fact": "1965-04-13T03:12:20Z → 1965-04-14T01:27:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:20–20:48 on the 13th, 19:21–20:49 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 88 of 88 minutes on the 13th and 0 of 88 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 29274 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1965: Tuesday 13 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": "1965-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-13", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1965 falls on Tuesday 13 April. Trayodaśī runs from 11:12 on Tue 13 Apr to 09:27 on Wed 14 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10743, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-04-14T09:27:02+08:00", "utc": "1965-04-14T01:27:02Z", "ms": -148861977769.2781 }, "end": { "local": "1965-04-15T08:01:27+08:00", "utc": "1965-04-15T00:01:27Z", "ms": -148780713419.80084 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-04-14T09:27:02+08:00", "utc": "1965-04-14T01:27:02Z", "ms": -148861977769.2781 }, "end": { "local": "1965-04-15T08:01:27+08:00", "utc": "1965-04-15T00:01:27Z", "ms": -148780713419.80084 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-04-14", "window": { "start": { "local": "1965-04-14T12:26:05+08:00", "utc": "1965-04-14T04:26:05Z", "ms": -148851234656.06763 }, "end": { "local": "1965-04-14T13:14:05+08:00", "utc": "1965-04-14T05:14:05Z", "ms": -148848354656.06763 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-04-15", "window": { "start": { "local": "1965-04-15T12:25:50+08:00", "utc": "1965-04-15T04:25:50Z", "ms": -148764849695.4169 }, "end": { "local": "1965-04-15T13:13:50+08:00", "utc": "1965-04-15T05:13:50Z", "ms": -148761969695.4169 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:27 on Wed 14 Apr to 08:01 on Thu 15 Apr.", "fact": "1965-04-14T01:27:02Z → 1965-04-15T00:01:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 14th, 12:26–13:14 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10743 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Qingyang, 1965: Wednesday 14 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": "1965-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-14", "confidence": "determinate" } ], "quote": "In Qingyang, Viṣṇudamanaka Caturdaśī 1965 falls on Wednesday 14 April. Caturdaśī runs from 09:27 on Wed 14 Apr to 08:01 on Thu 15 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15864, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-04-15T08:01:27+08:00", "utc": "1965-04-15T00:01:27Z", "ms": -148780713419.80084 }, "end": { "local": "1965-04-16T07:02:05+08:00", "utc": "1965-04-15T23:02:05Z", "ms": -148697874789.08496 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1965-04-15T08:01:27+08:00", "utc": "1965-04-15T00:01:27Z", "ms": -148780713419.80084 }, "end": { "local": "1965-04-16T07:02:05+08:00", "utc": "1965-04-15T23:02:05Z", "ms": -148697874789.08496 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-04-15", "window": { "start": { "local": "1965-04-15T12:25:50+08:00", "utc": "1965-04-15T04:25:50Z", "ms": -148764849695.4169 }, "end": { "local": "1965-04-15T13:13:50+08:00", "utc": "1965-04-15T05:13:50Z", "ms": -148761969695.4169 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-04-16", "window": { "start": { "local": "1965-04-16T12:25:36+08:00", "utc": "1965-04-16T04:25:36Z", "ms": -148678464392.1895 }, "end": { "local": "1965-04-16T13:13:36+08:00", "utc": "1965-04-16T05:13:36Z", "ms": -148675584392.1895 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:01 on Thu 15 Apr to 07:02 on Fri 16 Apr.", "fact": "1965-04-15T00:01:27Z → 1965-04-15T23:02:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 15th, 12:26–13:14 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15864 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Qingyang, 1965: Thursday 15 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": "1965-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-15", "confidence": "determinate" } ], "quote": "In Qingyang, Caitrī Pūrṇimā 1965 falls on Thursday 15 April. Pūrṇimā runs from 08:01 on Thu 15 Apr to 07:02 on Fri 16 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/sankashta-chaturthi?on=1965-04-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34811, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-04-19T07:33:40+08:00", "utc": "1965-04-18T23:33:40Z", "ms": -148436779845.94763 }, "end": { "local": "1965-04-20T09:00:24+08:00", "utc": "1965-04-20T01:00:24Z", "ms": -148345176187.1651 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-04-19T07:33:40+08:00", "utc": "1965-04-18T23:33:40Z", "ms": -148436779845.94763 }, "end": { "local": "1965-04-20T09:00:24+08:00", "utc": "1965-04-20T01:00:24Z", "ms": -148345176187.1651 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-04-18", "window": { "start": { "local": "1965-04-18T21:53:29+08:00", "utc": "1965-04-18T13:53:29Z", "ms": -148471590894.07895 }, "end": { "local": "1965-04-18T21:53:29+08:00", "utc": "1965-04-18T13:53:29Z", "ms": -148471590894.07895 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-04-19", "window": { "start": { "local": "1965-04-19T22:54:21+08:00", "utc": "1965-04-19T14:54:21Z", "ms": -148381539138.13004 }, "end": { "local": "1965-04-19T22:54:21+08:00", "utc": "1965-04-19T14:54:21Z", "ms": -148381539138.13004 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:34 on Mon 19 Apr to 09:00 on Tue 20 Apr.", "fact": "1965-04-18T23:33:40Z → 1965-04-20T01:00:24Z" }, { "step": "kaala", "text": "Moonrise is at 21:53 on the 18th and 22:54 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34811 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1965: Monday 19 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-19", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1965 falls on Monday 19 April. Caturthī runs from 07:34 on Mon 19 Apr to 09:00 on Tue 20 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/sankashta-chaturthi?on=1965-04-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/ekadashi?on=1965-04-27", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25800, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-04-26T21:56:51+08:00", "utc": "1965-04-26T13:56:51Z", "ms": -147780188962.64246 }, "end": { "local": "1965-04-27T22:51:40+08:00", "utc": "1965-04-27T14:51:40Z", "ms": -147690500120.3698 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-04-26T21:56:51+08:00", "utc": "1965-04-26T13:56:51Z", "ms": -147780188962.64246 }, "end": { "local": "1965-04-27T22:51:40+08:00", "utc": "1965-04-27T14:51:40Z", "ms": -147690500120.3698 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-04-27", "window": { "start": { "local": "1965-04-27T06:02:49+08:00", "utc": "1965-04-26T22:02:49Z", "ms": -147751030851.5714 }, "end": { "local": "1965-04-27T06:02:49+08:00", "utc": "1965-04-26T22:02:49Z", "ms": -147751030851.5714 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-04-28", "window": { "start": { "local": "1965-04-28T06:01:40+08:00", "utc": "1965-04-27T22:01:40Z", "ms": -147664699970.96423 }, "end": { "local": "1965-04-28T06:01:40+08:00", "utc": "1965-04-27T22:01:40Z", "ms": -147664699970.96423 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:57 on Mon 26 Apr to 22:52 on Tue 27 Apr.", "fact": "1965-04-26T13:56:51Z → 1965-04-27T14:51:40Z" }, { "step": "kaala", "text": "Sunrise is at 06:03 on the 27th and 06:02 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 25800 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Qingyang, 1965: Tuesday 27 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": "1965-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-27", "confidence": "determinate" } ], "quote": "In Qingyang, Varūthinī Ekādaśī 1965 falls on Tuesday 27 April. Ekādaśī runs from 21:57 on Mon 26 Apr to 22:52 on Tue 27 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-04-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5972, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-04-28T23:04:34+08:00", "utc": "1965-04-28T15:04:34Z", "ms": -147603326287.58676 }, "end": { "local": "1965-04-29T22:36:33+08:00", "utc": "1965-04-29T14:36:33Z", "ms": -147518606564.79636 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-04-28T23:04:34+08:00", "utc": "1965-04-28T15:04:34Z", "ms": -147603326287.58676 }, "end": { "local": "1965-04-29T22:36:33+08:00", "utc": "1965-04-29T14:36:33Z", "ms": -147518606564.79636 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-04-28", "window": { "start": { "local": "1965-04-28T19:32:44+08:00", "utc": "1965-04-28T11:32:44Z", "ms": -147616036123.49753 }, "end": { "local": "1965-04-28T20:56:26+08:00", "utc": "1965-04-28T12:56:26Z", "ms": -147611013717.33704 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "1965-04-29", "window": { "start": { "local": "1965-04-29T19:33:34+08:00", "utc": "1965-04-29T11:33:34Z", "ms": -147529585724.0838 }, "end": { "local": "1965-04-29T20:57:01+08:00", "utc": "1965-04-29T12:57:01Z", "ms": -147524578980.11435 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:05 on Wed 28 Apr to 22:37 on Thu 29 Apr.", "fact": "1965-04-28T15:04:34Z → 1965-04-29T14:36:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:33–20:56 on the 28th, 19:34–20:57 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 84 minutes on the 28th and 83 of 83 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5972 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1965: Thursday 29 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": "1965-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-29", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1965 falls on Thursday 29 April. Trayodaśī runs from 23:05 on Wed 28 Apr to 22:37 on Thu 29 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-04-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/shivaratri?on=1965-04-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6356, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-04-29T22:36:33+08:00", "utc": "1965-04-29T14:36:33Z", "ms": -147518606564.79636 }, "end": { "local": "1965-04-30T21:31:38+08:00", "utc": "1965-04-30T13:31:38Z", "ms": -147436101935.77243 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-04-29T22:36:33+08:00", "utc": "1965-04-29T14:36:33Z", "ms": -147518606564.79636 }, "end": { "local": "1965-04-30T21:31:38+08:00", "utc": "1965-04-30T13:31:38Z", "ms": -147436101935.77243 } }, "kaala": "nishita", "days": [ { "local_date": "1965-04-29", "window": { "start": { "local": "1965-04-30T00:22:30+08:00", "utc": "1965-04-29T16:22:30Z", "ms": -147512250434.19836 }, "end": { "local": "1965-04-30T01:10:30+08:00", "utc": "1965-04-29T17:10:30Z", "ms": -147509370434.19836 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-04-30", "window": { "start": { "local": "1965-05-01T00:22:22+08:00", "utc": "1965-04-30T16:22:22Z", "ms": -147425858233.04984 }, "end": { "local": "1965-05-01T01:10:22+08:00", "utc": "1965-04-30T17:10:22Z", "ms": -147422978233.04984 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:37 on Thu 29 Apr to 21:32 on Fri 30 Apr.", "fact": "1965-04-29T14:36:33Z → 1965-04-30T13:31:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 29th, 00:22–01:10 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 6356 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1965: Thursday 29 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-04-29", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1965 falls on Thursday 29 April. Caturdaśī runs from 22:37 on Thu 29 Apr to 21:32 on Fri 30 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1965/shivaratri?on=1965-04-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14328, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1965-05-03T15:38:08+08:00", "utc": "1965-05-03T07:38:08Z", "ms": -147198112249.66867 }, "end": { "local": "1965-05-04T13:10:18+08:00", "utc": "1965-05-04T05:10:18Z", "ms": -147120581589.99088 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-03T15:38:08+08:00", "utc": "1965-05-03T07:38:08Z", "ms": -147198112249.66867 }, "end": { "local": "1965-05-04T13:10:18+08:00", "utc": "1965-05-04T05:10:18Z", "ms": -147120581589.99088 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-05-03", "window": { "start": { "local": "1965-05-03T19:36:56+08:00", "utc": "1965-05-03T11:36:56Z", "ms": -147183784244.50024 }, "end": { "local": "1965-05-03T20:59:21+08:00", "utc": "1965-05-03T12:59:21Z", "ms": -147178838681.61377 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "1965-05-04", "window": { "start": { "local": "1965-05-04T19:37:46+08:00", "utc": "1965-05-04T11:37:46Z", "ms": -147097333997.49277 }, "end": { "local": "1965-05-04T20:59:57+08:00", "utc": "1965-05-04T12:59:57Z", "ms": -147092403334.59146 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:38 on Mon 3 May to 13:10 on Tue 4 May.", "fact": "1965-05-03T07:38:08Z → 1965-05-04T05:10:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:37–20:59 on the 3rd, 19:38–21:00 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 82 of 82 minutes on the 3rd and 0 of 82 on the 4th.", "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 14328 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Qingyang, 1965: Monday 3 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": "1965-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-03", "confidence": "determinate" } ], "quote": "In Qingyang, Paraśurāma Jayantī 1965 falls on Monday 3 May. Tṛtīyā runs from 15:38 on Mon 3 May to 13:10 on Tue 4 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9658, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1965-05-03T15:38:08+08:00", "utc": "1965-05-03T07:38:08Z", "ms": -147198112249.66867 }, "end": { "local": "1965-05-04T13:10:18+08:00", "utc": "1965-05-04T05:10:18Z", "ms": -147120581589.99088 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-03T15:38:08+08:00", "utc": "1965-05-03T07:38:08Z", "ms": -147198112249.66867 }, "end": { "local": "1965-05-04T13:10:18+08:00", "utc": "1965-05-04T05:10:18Z", "ms": -147120581589.99088 } }, "kaala": "purvahna", "days": [ { "local_date": "1965-05-03", "window": { "start": { "local": "1965-05-03T05:56:10+08:00", "utc": "1965-05-02T21:56:10Z", "ms": -147233029859.63116 }, "end": { "local": "1965-05-03T10:29:45+08:00", "utc": "1965-05-03T02:29:45Z", "ms": -147216614654.58752 } }, "covered_min": 0, "window_min": 274, "qualifies": false }, { "local_date": "1965-05-04", "window": { "start": { "local": "1965-05-04T05:55:07+08:00", "utc": "1965-05-03T21:55:07Z", "ms": -147146692522.85168 }, "end": { "local": "1965-05-04T10:29:20+08:00", "utc": "1965-05-04T02:29:20Z", "ms": -147130239681.06537 } }, "covered_min": 274, "window_min": 274, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:38 on Mon 3 May to 13:10 on Tue 4 May.", "fact": "1965-05-03T07:38:08Z → 1965-05-04T05:10:18Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:56–10:30 on the 3rd, 05:55–10:29 on the 4th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 274 minutes on the 3rd and 274 of 274 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9658 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Qingyang, 1965: Tuesday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-04", "confidence": "determinate" } ], "quote": "In Qingyang, Akṣaya Tṛtīyā 1965 falls on Tuesday 4 May. Tṛtīyā runs from 15:38 on Mon 3 May to 13:10 on Tue 4 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-05-04", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-04", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 8, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-05-04T13:10:18+08:00", "utc": "1965-05-04T05:10:18Z", "ms": -147120581589.99088 }, "end": { "local": "1965-05-05T10:38:06+08:00", "utc": "1965-05-05T02:38:06Z", "ms": -147043313572.6314 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-04T13:10:18+08:00", "utc": "1965-05-04T05:10:18Z", "ms": -147120581589.99088 }, "end": { "local": "1965-05-05T10:38:06+08:00", "utc": "1965-05-05T02:38:06Z", "ms": -147043313572.6314 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-05-04", "window": { "start": { "local": "1965-05-04T12:22:27+08:00", "utc": "1965-05-04T04:22:27Z", "ms": -147123453260.17224 }, "end": { "local": "1965-05-04T13:10:27+08:00", "utc": "1965-05-04T05:10:27Z", "ms": -147120573260.17224 } }, "covered_min": 0, "window_min": 48, "qualifies": true }, { "local_date": "1965-05-05", "window": { "start": { "local": "1965-05-05T12:22:21+08:00", "utc": "1965-05-05T04:22:21Z", "ms": -147037058933.735 }, "end": { "local": "1965-05-05T13:10:21+08:00", "utc": "1965-05-05T05:10:21Z", "ms": -147034178933.735 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:10 on Tue 4 May to 10:38 on Wed 5 May.", "fact": "1965-05-04T05:10:18Z → 1965-05-05T02:38:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 4th, 12:22–13:10 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 0 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 8 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1965: Tuesday 4 May.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-05-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-04", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1965 falls on Tuesday 4 May. Caturthī runs from 13:10 on Tue 4 May to 10:38 on Wed 5 May and covers 0 of 48 minutes of madhyāhna that midday. It is 0 min 08 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-05-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6255, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1965-05-05T10:38:06+08:00", "utc": "1965-05-05T02:38:06Z", "ms": -147043313572.6314 }, "end": { "local": "1965-05-06T08:06:48+08:00", "utc": "1965-05-06T00:06:48Z", "ms": -146965992104.52414 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-05T10:38:06+08:00", "utc": "1965-05-05T02:38:06Z", "ms": -147043313572.6314 }, "end": { "local": "1965-05-06T08:06:48+08:00", "utc": "1965-05-06T00:06:48Z", "ms": -146965992104.52414 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-05-05", "window": { "start": { "local": "1965-05-05T12:22:21+08:00", "utc": "1965-05-05T04:22:21Z", "ms": -147037058933.735 }, "end": { "local": "1965-05-05T13:10:21+08:00", "utc": "1965-05-05T05:10:21Z", "ms": -147034178933.735 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-05-06", "window": { "start": { "local": "1965-05-06T12:22:16+08:00", "utc": "1965-05-06T04:22:16Z", "ms": -146950664071.83282 }, "end": { "local": "1965-05-06T13:10:16+08:00", "utc": "1965-05-06T05:10:16Z", "ms": -146947784071.83282 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:38 on Wed 5 May to 08:07 on Thu 6 May.", "fact": "1965-05-05T02:38:06Z → 1965-05-06T00:06:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 5th, 12:22–13:10 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 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: unstated → only-day · margin 6255 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Qingyang, 1965: Wednesday 5 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": "1965-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-05", "confidence": "determinate" } ], "quote": "In Qingyang, Śaṅkara Jayantī 1965 falls on Wednesday 5 May. Pañcamī runs from 10:38 on Wed 5 May to 08:07 on Thu 6 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24084, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1965-05-07T05:40:48+08:00", "utc": "1965-05-06T21:40:48Z", "ms": -146888352356.23428 }, "end": { "local": "1965-05-08T03:23:44+08:00", "utc": "1965-05-07T19:23:44Z", "ms": -146810176377.64282 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-07T05:40:48+08:00", "utc": "1965-05-06T21:40:48Z", "ms": -146888352356.23428 }, "end": { "local": "1965-05-08T03:23:44+08:00", "utc": "1965-05-07T19:23:44Z", "ms": -146810176377.64282 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-05-07", "window": { "start": { "local": "1965-05-07T12:22:11+08:00", "utc": "1965-05-07T04:22:11Z", "ms": -146864268673.16025 }, "end": { "local": "1965-05-07T13:10:11+08:00", "utc": "1965-05-07T05:10:11Z", "ms": -146861388673.16025 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-05-08", "window": { "start": { "local": "1965-05-08T12:22:07+08:00", "utc": "1965-05-08T04:22:07Z", "ms": -146777872735.8346 }, "end": { "local": "1965-05-08T13:10:07+08:00", "utc": "1965-05-08T05:10:07Z", "ms": -146774992735.8346 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:41 on Fri 7 May to 03:24 on Sat 8 May.", "fact": "1965-05-06T21:40:48Z → 1965-05-07T19:23:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 7th, 12:22–13:10 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 24084 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Qingyang, 1965: Friday 7 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": "1965-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-07", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṅgotpatti (Ganga Saptami) 1965 falls on Friday 7 May. Saptamī runs from 05:41 on Fri 7 May to 03:24 on Sat 8 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-05-11", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28430, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-05-10T21:54:33+08:00", "utc": "1965-05-10T13:54:33Z", "ms": -146570726860.21548 }, "end": { "local": "1965-05-11T20:40:33+08:00", "utc": "1965-05-11T12:40:33Z", "ms": -146488766806.6344 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-10T21:54:33+08:00", "utc": "1965-05-10T13:54:33Z", "ms": -146570726860.21548 }, "end": { "local": "1965-05-11T20:40:33+08:00", "utc": "1965-05-11T12:40:33Z", "ms": -146488766806.6344 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-05-11", "window": { "start": { "local": "1965-05-11T05:48:23+08:00", "utc": "1965-05-10T21:48:23Z", "ms": -146542297290.72186 }, "end": { "local": "1965-05-11T05:48:23+08:00", "utc": "1965-05-10T21:48:23Z", "ms": -146542297290.72186 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-05-12", "window": { "start": { "local": "1965-05-12T05:47:30+08:00", "utc": "1965-05-11T21:47:30Z", "ms": -146455949969.93048 }, "end": { "local": "1965-05-12T05:47:30+08:00", "utc": "1965-05-11T21:47:30Z", "ms": -146455949969.93048 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:55 on Mon 10 May to 20:41 on Tue 11 May.", "fact": "1965-05-10T13:54:33Z → 1965-05-11T12:40:33Z" }, { "step": "kaala", "text": "Sunrise is at 05:48 on the 11th and 05:48 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28430 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Qingyang, 1965: Tuesday 11 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": "1965-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-11", "confidence": "determinate" } ], "quote": "In Qingyang, Mohinī Ekādaśī 1965 falls on Tuesday 11 May. Ekādaśī runs from 21:55 on Mon 10 May to 20:41 on Tue 11 May and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-05-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23925, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1965-05-11T20:40:33+08:00", "utc": "1965-05-11T12:40:33Z", "ms": -146488766806.6344 }, "end": { "local": "1965-05-12T19:48:41+08:00", "utc": "1965-05-12T11:48:41Z", "ms": -146405478665.8196 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-11T20:40:33+08:00", "utc": "1965-05-11T12:40:33Z", "ms": -146488766806.6344 }, "end": { "local": "1965-05-12T19:48:41+08:00", "utc": "1965-05-12T11:48:41Z", "ms": -146405478665.8196 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-05-11", "window": { "start": { "local": "1965-05-11T12:21:58+08:00", "utc": "1965-05-11T04:21:58Z", "ms": -146518681665.009 }, "end": { "local": "1965-05-11T13:09:58+08:00", "utc": "1965-05-11T05:09:58Z", "ms": -146515801665.009 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-05-12", "window": { "start": { "local": "1965-05-12T12:21:56+08:00", "utc": "1965-05-12T04:21:56Z", "ms": -146432283544.60803 }, "end": { "local": "1965-05-12T13:09:56+08:00", "utc": "1965-05-12T05:09:56Z", "ms": -146429403544.60803 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:41 on Tue 11 May to 19:49 on Wed 12 May.", "fact": "1965-05-11T12:40:33Z → 1965-05-12T11:48:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 11th, 12:22–13:10 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 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23925 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Qingyang, 1965: Wednesday 12 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": "1965-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-12", "confidence": "determinate" } ], "quote": "In Qingyang, Paraśurāma Dvādaśī 1965 falls on Wednesday 12 May. Dvādaśī runs from 20:41 on Tue 11 May to 19:49 on Wed 12 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23925, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1965-05-11T20:40:33+08:00", "utc": "1965-05-11T12:40:33Z", "ms": -146488766806.6344 }, "end": { "local": "1965-05-12T19:48:41+08:00", "utc": "1965-05-12T11:48:41Z", "ms": -146405478665.8196 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-11T20:40:33+08:00", "utc": "1965-05-11T12:40:33Z", "ms": -146488766806.6344 }, "end": { "local": "1965-05-12T19:48:41+08:00", "utc": "1965-05-12T11:48:41Z", "ms": -146405478665.8196 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-05-11", "window": { "start": { "local": "1965-05-11T12:21:58+08:00", "utc": "1965-05-11T04:21:58Z", "ms": -146518681665.009 }, "end": { "local": "1965-05-11T13:09:58+08:00", "utc": "1965-05-11T05:09:58Z", "ms": -146515801665.009 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-05-12", "window": { "start": { "local": "1965-05-12T12:21:56+08:00", "utc": "1965-05-12T04:21:56Z", "ms": -146432283544.60803 }, "end": { "local": "1965-05-12T13:09:56+08:00", "utc": "1965-05-12T05:09:56Z", "ms": -146429403544.60803 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:41 on Tue 11 May to 19:49 on Wed 12 May.", "fact": "1965-05-11T12:40:33Z → 1965-05-12T11:48:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 11th, 12:22–13:10 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 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23925 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Qingyang, 1965: Wednesday 12 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": "1965-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-12", "confidence": "determinate" } ], "quote": "In Qingyang, Rukmiṇī Dvādaśī 1965 falls on Wednesday 12 May. Dvādaśī runs from 20:41 on Tue 11 May to 19:49 on Wed 12 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/pradosha-vrata?on=1965-05-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-12", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 258, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-05-12T19:48:41+08:00", "utc": "1965-05-12T11:48:41Z", "ms": -146405478665.8196 }, "end": { "local": "1965-05-13T19:21:40+08:00", "utc": "1965-05-13T11:21:40Z", "ms": -146320700093.66672 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-12T19:48:41+08:00", "utc": "1965-05-12T11:48:41Z", "ms": -146405478665.8196 }, "end": { "local": "1965-05-13T19:21:40+08:00", "utc": "1965-05-13T11:21:40Z", "ms": -146320700093.66672 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-05-12", "window": { "start": { "local": "1965-05-12T19:44:23+08:00", "utc": "1965-05-12T11:44:23Z", "ms": -146405737119.2856 }, "end": { "local": "1965-05-12T21:04:41+08:00", "utc": "1965-05-12T13:04:41Z", "ms": -146400919008.1324 } }, "covered_min": 76, "window_min": 80, "qualifies": true }, { "local_date": "1965-05-13", "window": { "start": { "local": "1965-05-13T19:45:12+08:00", "utc": "1965-05-13T11:45:12Z", "ms": -146319288455.5664 }, "end": { "local": "1965-05-13T21:05:17+08:00", "utc": "1965-05-13T13:05:17Z", "ms": -146314483489.84198 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:49 on Wed 12 May to 19:22 on Thu 13 May.", "fact": "1965-05-12T11:48:41Z → 1965-05-13T11:21:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:44–21:05 on the 12th, 19:45–21:05 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 76 of 80 minutes on the 12th and 0 of 80 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 258 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1965: Wednesday 12 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": "1965-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-12", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1965 falls on Wednesday 12 May. Trayodaśī runs from 19:49 on Wed 12 May to 19:22 on Thu 13 May and covers 76 of 80 minutes of pradoṣa that evening. It is 4 min 18 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-05-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1412, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-05-13T19:21:40+08:00", "utc": "1965-05-13T11:21:40Z", "ms": -146320700093.66672 }, "end": { "local": "1965-05-14T19:22:04+08:00", "utc": "1965-05-14T11:22:04Z", "ms": -146234276253.21127 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-13T19:21:40+08:00", "utc": "1965-05-13T11:21:40Z", "ms": -146320700093.66672 }, "end": { "local": "1965-05-14T19:22:04+08:00", "utc": "1965-05-14T11:22:04Z", "ms": -146234276253.21127 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-05-13", "window": { "start": { "local": "1965-05-13T19:45:12+08:00", "utc": "1965-05-13T11:45:12Z", "ms": -146319288455.5664 }, "end": { "local": "1965-05-13T21:05:17+08:00", "utc": "1965-05-13T13:05:17Z", "ms": -146314483489.84198 } }, "covered_min": 80, "window_min": 80, "qualifies": true }, { "local_date": "1965-05-14", "window": { "start": { "local": "1965-05-14T19:46:00+08:00", "utc": "1965-05-14T11:46:00Z", "ms": -146232840068.1781 }, "end": { "local": "1965-05-14T21:05:52+08:00", "utc": "1965-05-14T13:05:52Z", "ms": -146228048022.5797 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:22 on Thu 13 May to 19:22 on Fri 14 May.", "fact": "1965-05-13T11:21:40Z → 1965-05-14T11:22:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:45–21:05 on the 13th, 19:46–21:06 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 80 of 80 minutes on the 13th and 0 of 80 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1412 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Qingyang, 1965: Thursday 13 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": "1965-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-13", "confidence": "determinate" } ], "quote": "In Qingyang, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1965 falls on Thursday 13 May. Caturdaśī runs from 19:22 on Thu 13 May to 19:22 on Fri 14 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22329, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-05-14T19:22:04+08:00", "utc": "1965-05-14T11:22:04Z", "ms": -146234276253.21127 }, "end": { "local": "1965-05-15T19:51:56+08:00", "utc": "1965-05-15T11:51:56Z", "ms": -146146083570.39185 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-14T19:22:04+08:00", "utc": "1965-05-14T11:22:04Z", "ms": -146234276253.21127 }, "end": { "local": "1965-05-15T19:51:56+08:00", "utc": "1965-05-15T11:51:56Z", "ms": -146146083570.39185 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-05-14", "window": { "start": { "local": "1965-05-14T12:21:54+08:00", "utc": "1965-05-14T04:21:54Z", "ms": -146259485640.4057 }, "end": { "local": "1965-05-14T13:09:54+08:00", "utc": "1965-05-14T05:09:54Z", "ms": -146256605640.4057 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-05-15", "window": { "start": { "local": "1965-05-15T12:21:54+08:00", "utc": "1965-05-15T04:21:54Z", "ms": -146173085852.11505 }, "end": { "local": "1965-05-15T13:09:54+08:00", "utc": "1965-05-15T05:09:54Z", "ms": -146170205852.11505 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:22 on Fri 14 May to 19:52 on Sat 15 May.", "fact": "1965-05-14T11:22:04Z → 1965-05-15T11:51:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 14th, 12:22–13:10 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 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: unstated → only-day · margin 22329 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Qingyang, 1965: Saturday 15 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-15", "confidence": "determinate" } ], "quote": "In Qingyang, Buddha Pūrṇimā 1965 falls on Saturday 15 May. Pūrṇimā runs from 19:22 on Fri 14 May to 19:52 on Sat 15 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22329, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-05-14T19:22:04+08:00", "utc": "1965-05-14T11:22:04Z", "ms": -146234276253.21127 }, "end": { "local": "1965-05-15T19:51:56+08:00", "utc": "1965-05-15T11:51:56Z", "ms": -146146083570.39185 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-14T19:22:04+08:00", "utc": "1965-05-14T11:22:04Z", "ms": -146234276253.21127 }, "end": { "local": "1965-05-15T19:51:56+08:00", "utc": "1965-05-15T11:51:56Z", "ms": -146146083570.39185 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-05-14", "window": { "start": { "local": "1965-05-14T12:21:54+08:00", "utc": "1965-05-14T04:21:54Z", "ms": -146259485640.4057 }, "end": { "local": "1965-05-14T13:09:54+08:00", "utc": "1965-05-14T05:09:54Z", "ms": -146256605640.4057 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-05-15", "window": { "start": { "local": "1965-05-15T12:21:54+08:00", "utc": "1965-05-15T04:21:54Z", "ms": -146173085852.11505 }, "end": { "local": "1965-05-15T13:09:54+08:00", "utc": "1965-05-15T05:09:54Z", "ms": -146170205852.11505 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:22 on Fri 14 May to 19:52 on Sat 15 May.", "fact": "1965-05-14T11:22:04Z → 1965-05-15T11:51:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 14th, 12:22–13:10 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 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: paraviddha → only-day · margin 22329 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Qingyang, 1965: Saturday 15 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-15", "confidence": "determinate" } ], "quote": "In Qingyang, Sampat Gaurī Vrata 1965 falls on Saturday 15 May. Pūrṇimā runs from 19:22 on Fri 14 May to 19:52 on Sat 15 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/sankashta-chaturthi?on=1965-05-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6042, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-05-19T00:18:38+08:00", "utc": "1965-05-18T16:18:38Z", "ms": -145870881719.6581 }, "end": { "local": "1965-05-20T02:35:12+08:00", "utc": "1965-05-19T18:35:12Z", "ms": -145776287978.97406 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-19T00:18:38+08:00", "utc": "1965-05-18T16:18:38Z", "ms": -145870881719.6581 }, "end": { "local": "1965-05-20T02:35:12+08:00", "utc": "1965-05-19T18:35:12Z", "ms": -145776287978.97406 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-05-18", "window": { "start": { "local": "1965-05-18T22:37:56+08:00", "utc": "1965-05-18T14:37:56Z", "ms": -145876923624.17886 }, "end": { "local": "1965-05-18T22:37:56+08:00", "utc": "1965-05-18T14:37:56Z", "ms": -145876923624.17886 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-05-19", "window": { "start": { "local": "1965-05-19T23:29:23+08:00", "utc": "1965-05-19T15:29:23Z", "ms": -145787437493.51157 }, "end": { "local": "1965-05-19T23:29:23+08:00", "utc": "1965-05-19T15:29:23Z", "ms": -145787437493.51157 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:19 on Wed 19 May to 02:35 on Thu 20 May.", "fact": "1965-05-18T16:18:38Z → 1965-05-19T18:35:12Z" }, { "step": "kaala", "text": "Moonrise is at 22:38 on the 18th and 23:29 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6042 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1965: Wednesday 19 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": "1965-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-19", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1965 falls on Wednesday 19 May. Caturthī runs from 00:19 on Wed 19 May to 02:35 on Thu 20 May and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/sankashta-chaturthi?on=1965-05-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/ekadashi?on=1965-05-27", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26156, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-05-26T13:09:51+08:00", "utc": "1965-05-26T05:09:51Z", "ms": -145219809096.02902 }, "end": { "local": "1965-05-27T12:53:12+08:00", "utc": "1965-05-27T04:53:12Z", "ms": -145134407872.69177 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-26T13:09:51+08:00", "utc": "1965-05-26T05:09:51Z", "ms": -145219809096.02902 }, "end": { "local": "1965-05-27T12:53:12+08:00", "utc": "1965-05-27T04:53:12Z", "ms": -145134407872.69177 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-05-26", "window": { "start": { "local": "1965-05-26T05:37:46+08:00", "utc": "1965-05-25T21:37:46Z", "ms": -145246933703.6155 }, "end": { "local": "1965-05-26T05:37:46+08:00", "utc": "1965-05-25T21:37:46Z", "ms": -145246933703.6155 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-05-27", "window": { "start": { "local": "1965-05-27T05:37:16+08:00", "utc": "1965-05-26T21:37:16Z", "ms": -145160563599.98718 }, "end": { "local": "1965-05-27T05:37:16+08:00", "utc": "1965-05-26T21:37:16Z", "ms": -145160563599.98718 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:10 on Wed 26 May to 12:53 on Thu 27 May.", "fact": "1965-05-26T05:09:51Z → 1965-05-27T04:53:12Z" }, { "step": "kaala", "text": "Sunrise is at 05:38 on the 26th and 05:37 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26156 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Qingyang, 1965: Thursday 27 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": "1965-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-27", "confidence": "determinate" } ], "quote": "In Qingyang, Aparā Ekādaśī 1965 falls on Thursday 27 May. Ekādaśī runs from 13:10 on Wed 26 May to 12:53 on Thu 27 May and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-05-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-05-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29063, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-05-28T11:52:11+08:00", "utc": "1965-05-28T03:52:11Z", "ms": -145051668665.71967 }, "end": { "local": "1965-05-29T10:10:46+08:00", "utc": "1965-05-29T02:10:46Z", "ms": -144971354292.59348 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-28T11:52:11+08:00", "utc": "1965-05-28T03:52:11Z", "ms": -145051668665.71967 }, "end": { "local": "1965-05-29T10:10:46+08:00", "utc": "1965-05-29T02:10:46Z", "ms": -144971354292.59348 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-05-28", "window": { "start": { "local": "1965-05-28T19:56:34+08:00", "utc": "1965-05-28T11:56:34Z", "ms": -145022605819.99326 }, "end": { "local": "1965-05-28T21:13:53+08:00", "utc": "1965-05-28T13:13:53Z", "ms": -145017967499.3501 } }, "covered_min": 77, "window_min": 77, "qualifies": true }, { "local_date": "1965-05-29", "window": { "start": { "local": "1965-05-29T19:57:15+08:00", "utc": "1965-05-29T11:57:15Z", "ms": -144936164840.73 }, "end": { "local": "1965-05-29T21:14:25+08:00", "utc": "1965-05-29T13:14:25Z", "ms": -144931535304.49567 } }, "covered_min": 0, "window_min": 77, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:52 on Fri 28 May to 10:11 on Sat 29 May.", "fact": "1965-05-28T03:52:11Z → 1965-05-29T02:10:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:57–21:14 on the 28th, 19:57–21:14 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 77 of 77 minutes on the 28th and 0 of 77 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29063 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1965: Friday 28 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-28", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1965 falls on Friday 28 May. Trayodaśī runs from 11:52 on Fri 28 May to 10:11 on Sat 29 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-05-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/shivaratri?on=1965-05-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24266, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-05-29T10:10:46+08:00", "utc": "1965-05-29T02:10:46Z", "ms": -144971354292.59348 }, "end": { "local": "1965-05-30T07:55:02+08:00", "utc": "1965-05-29T23:55:02Z", "ms": -144893097619.22095 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1965-05-29T10:10:46+08:00", "utc": "1965-05-29T02:10:46Z", "ms": -144971354292.59348 }, "end": { "local": "1965-05-30T07:55:02+08:00", "utc": "1965-05-29T23:55:02Z", "ms": -144893097619.22095 } }, "kaala": "nishita", "days": [ { "local_date": "1965-05-28", "window": { "start": { "local": "1965-05-29T00:22:28+08:00", "utc": "1965-05-28T16:22:28Z", "ms": -145006652117.58136 }, "end": { "local": "1965-05-29T01:10:28+08:00", "utc": "1965-05-28T17:10:28Z", "ms": -145003772117.58136 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-05-29", "window": { "start": { "local": "1965-05-30T00:22:36+08:00", "utc": "1965-05-29T16:22:36Z", "ms": -144920244079.8512 }, "end": { "local": "1965-05-30T01:10:36+08:00", "utc": "1965-05-29T17:10:36Z", "ms": -144917364079.8512 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:11 on Sat 29 May to 07:55 on Sun 30 May.", "fact": "1965-05-29T02:10:46Z → 1965-05-29T23:55:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 28th, 00:23–01:11 on the 29th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24266 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1965: Saturday 29 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": "1965-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-05-29", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1965 falls on Saturday 29 May. Caturdaśī runs from 10:11 on Sat 29 May to 07:55 on Sun 30 May and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1965/shivaratri?on=1965-05-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23758, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1965-06-01T23:00:16+08:00", "utc": "1965-06-01T15:00:16Z", "ms": -144665984447.0206 }, "end": { "local": "1965-06-02T19:47:20+08:00", "utc": "1965-06-02T11:47:20Z", "ms": -144591160110.34717 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1965-06-01T23:00:16+08:00", "utc": "1965-06-01T15:00:16Z", "ms": -144665984447.0206 }, "end": { "local": "1965-06-02T19:47:20+08:00", "utc": "1965-06-02T11:47:20Z", "ms": -144591160110.34717 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-06-01", "window": { "start": { "local": "1965-06-01T12:23:13+08:00", "utc": "1965-06-01T04:23:13Z", "ms": -144704207400.3695 }, "end": { "local": "1965-06-01T13:11:13+08:00", "utc": "1965-06-01T05:11:13Z", "ms": -144701327400.3695 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-06-02", "window": { "start": { "local": "1965-06-02T12:23:21+08:00", "utc": "1965-06-02T04:23:21Z", "ms": -144617798519.003 }, "end": { "local": "1965-06-02T13:11:21+08:00", "utc": "1965-06-02T05:11:21Z", "ms": -144614918519.003 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:00 on Tue 1 Jun to 19:47 on Wed 2 Jun.", "fact": "1965-06-01T15:00:16Z → 1965-06-02T11:47:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 1st, 12:23–13:11 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23758 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Qingyang, 1965: Wednesday 2 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-06-02", "confidence": "determinate" } ], "quote": "In Qingyang, Rambhā Tṛtīyā 1965 falls on Wednesday 2 June. Tṛtīyā runs from 23:00 on Tue 1 Jun to 19:47 on Wed 2 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-06-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12543, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-06-02T19:47:20+08:00", "utc": "1965-06-02T11:47:20Z", "ms": -144591160110.34717 }, "end": { "local": "1965-06-03T16:40:34+08:00", "utc": "1965-06-03T08:40:34Z", "ms": -144515965844.37488 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1965-06-02T19:47:20+08:00", "utc": "1965-06-02T11:47:20Z", "ms": -144591160110.34717 }, "end": { "local": "1965-06-03T16:40:34+08:00", "utc": "1965-06-03T08:40:34Z", "ms": -144515965844.37488 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-06-02", "window": { "start": { "local": "1965-06-02T12:23:21+08:00", "utc": "1965-06-02T04:23:21Z", "ms": -144617798519.003 }, "end": { "local": "1965-06-02T13:11:21+08:00", "utc": "1965-06-02T05:11:21Z", "ms": -144614918519.003 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-06-03", "window": { "start": { "local": "1965-06-03T12:23:31+08:00", "utc": "1965-06-03T04:23:31Z", "ms": -144531389271.02692 }, "end": { "local": "1965-06-03T13:11:31+08:00", "utc": "1965-06-03T05:11:31Z", "ms": -144528509271.02692 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:47 on Wed 2 Jun to 16:41 on Thu 3 Jun.", "fact": "1965-06-02T11:47:20Z → 1965-06-03T08:40:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 2nd, 12:24–13:12 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 12543 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1965: Thursday 3 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-06-03", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1965 falls on Thursday 3 June. Caturthī runs from 19:47 on Wed 2 Jun to 16:41 on Thu 3 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-06-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2132, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1965-06-04T13:47:12+08:00", "utc": "1965-06-04T05:47:12Z", "ms": -144439967745.2455 }, "end": { "local": "1965-06-05T11:13:33+08:00", "utc": "1965-06-05T03:13:33Z", "ms": -144362787449.9963 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1965-06-04T13:47:12+08:00", "utc": "1965-06-04T05:47:12Z", "ms": -144439967745.2455 }, "end": { "local": "1965-06-05T11:13:33+08:00", "utc": "1965-06-05T03:13:33Z", "ms": -144362787449.9963 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-06-04", "window": { "start": { "local": "1965-06-04T12:23:40+08:00", "utc": "1965-06-04T04:23:40Z", "ms": -144444979677.9448 }, "end": { "local": "1965-06-04T13:11:40+08:00", "utc": "1965-06-04T05:11:40Z", "ms": -144442099677.9448 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-06-05", "window": { "start": { "local": "1965-06-05T12:23:50+08:00", "utc": "1965-06-05T04:23:50Z", "ms": -144358569760.4511 }, "end": { "local": "1965-06-05T13:11:50+08:00", "utc": "1965-06-05T05:11:50Z", "ms": -144355689760.4511 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:47 on Fri 4 Jun to 11:14 on Sat 5 Jun.", "fact": "1965-06-04T05:47:12Z → 1965-06-05T03:13:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 4th, 12:24–13:12 on the 5th.", "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 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: paraviddha → second-day · margin 2132 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Qingyang, 1965: Saturday 5 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-06-04", "confidence": "determinate" } ], "quote": "In Qingyang, Araṇya Gaurī Vrata 1965 falls on Saturday 5 June. Ṣaṣṭhī runs from 13:47 on Fri 4 Jun to 11:14 on Sat 5 Jun, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2132, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1965-06-04T13:47:12+08:00", "utc": "1965-06-04T05:47:12Z", "ms": -144439967745.2455 }, "end": { "local": "1965-06-05T11:13:33+08:00", "utc": "1965-06-05T03:13:33Z", "ms": -144362787449.9963 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1965-06-04T13:47:12+08:00", "utc": "1965-06-04T05:47:12Z", "ms": -144439967745.2455 }, "end": { "local": "1965-06-05T11:13:33+08:00", "utc": "1965-06-05T03:13:33Z", "ms": -144362787449.9963 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-06-04", "window": { "start": { "local": "1965-06-04T12:23:40+08:00", "utc": "1965-06-04T04:23:40Z", "ms": -144444979677.9448 }, "end": { "local": "1965-06-04T13:11:40+08:00", "utc": "1965-06-04T05:11:40Z", "ms": -144442099677.9448 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-06-05", "window": { "start": { "local": "1965-06-05T12:23:50+08:00", "utc": "1965-06-05T04:23:50Z", "ms": -144358569760.4511 }, "end": { "local": "1965-06-05T13:11:50+08:00", "utc": "1965-06-05T05:11:50Z", "ms": -144355689760.4511 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:47 on Fri 4 Jun to 11:14 on Sat 5 Jun.", "fact": "1965-06-04T05:47:12Z → 1965-06-05T03:13:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 4th, 12:24–13:12 on the 5th.", "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 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 2132 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Qingyang, 1965: Saturday 5 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-06-04", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1965 falls on Saturday 5 June. Ṣaṣṭhī runs from 13:47 on Fri 4 Jun to 11:14 on Sat 5 Jun, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-06-10", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-06-10", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 43, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-06-09T05:38:50+08:00", "utc": "1965-06-08T21:38:50Z", "ms": -144037270297.21637 }, "end": { "local": "1965-06-10T05:33:56+08:00", "utc": "1965-06-09T21:33:56Z", "ms": -143951163783.90103 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1965-06-09T05:38:50+08:00", "utc": "1965-06-08T21:38:50Z", "ms": -144037270297.21637 }, "end": { "local": "1965-06-10T05:33:56+08:00", "utc": "1965-06-09T21:33:56Z", "ms": -143951163783.90103 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-06-09", "window": { "start": { "local": "1965-06-09T05:33:20+08:00", "utc": "1965-06-08T21:33:20Z", "ms": -144037600164.55725 }, "end": { "local": "1965-06-09T05:33:20+08:00", "utc": "1965-06-08T21:33:20Z", "ms": -144037600164.55725 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-06-10", "window": { "start": { "local": "1965-06-10T05:33:13+08:00", "utc": "1965-06-09T21:33:13Z", "ms": -143951206655.4735 }, "end": { "local": "1965-06-10T05:33:13+08:00", "utc": "1965-06-09T21:33:13Z", "ms": -143951206655.4735 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:39 on Wed 9 Jun to 05:34 on Thu 10 Jun.", "fact": "1965-06-08T21:38:50Z → 1965-06-09T21:33:56Z" }, { "step": "kaala", "text": "Sunrise is at 05:33 on the 9th and 05:33 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 43 s < 300 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Qingyang, 1965: Thursday 10 June.", "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": "1965-06-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-06-10", "confidence": "boundary" } ], "quote": "In Qingyang, Nirjalā Ekādaśī 1965 falls on Thursday 10 June. Ekādaśī runs from 05:39 on Wed 9 Jun to 05:34 on Thu 10 Jun and is current at sunrise that day. It is 0 min 43 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-06-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23109, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1965-06-10T05:33:56+08:00", "utc": "1965-06-09T21:33:56Z", "ms": -143951163783.90103 }, "end": { "local": "1965-06-11T05:59:47+08:00", "utc": "1965-06-10T21:59:47Z", "ms": -143863213419.8414 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1965-06-10T05:33:56+08:00", "utc": "1965-06-09T21:33:56Z", "ms": -143951163783.90103 }, "end": { "local": "1965-06-11T05:59:47+08:00", "utc": "1965-06-10T21:59:47Z", "ms": -143863213419.8414 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-06-10", "window": { "start": { "local": "1965-06-10T12:24:44+08:00", "utc": "1965-06-10T04:24:44Z", "ms": -143926515973.6339 }, "end": { "local": "1965-06-10T13:12:44+08:00", "utc": "1965-06-10T05:12:44Z", "ms": -143923635973.6339 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-06-11", "window": { "start": { "local": "1965-06-11T12:24:55+08:00", "utc": "1965-06-11T04:24:55Z", "ms": -143840104502.93628 }, "end": { "local": "1965-06-11T13:12:55+08:00", "utc": "1965-06-11T05:12:55Z", "ms": -143837224502.93628 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:34 on Thu 10 Jun to 06:00 on Fri 11 Jun.", "fact": "1965-06-09T21:33:56Z → 1965-06-10T21:59:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 10th, 12:25–13:13 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23109 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Qingyang, 1965: Thursday 10 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": "1965-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-06-10", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Rāma Dvādaśī 1965 falls on Thursday 10 June. Dvādaśī runs from 05:34 on Thu 10 Jun to 06:00 on Fri 11 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/pradosha-vrata?on=1965-06-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31181, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-06-11T05:59:47+08:00", "utc": "1965-06-10T21:59:47Z", "ms": -143863213419.8414 }, "end": { "local": "1965-06-12T06:54:23+08:00", "utc": "1965-06-11T22:54:23Z", "ms": -143773536510.35953 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1965-06-11T05:59:47+08:00", "utc": "1965-06-10T21:59:47Z", "ms": -143863213419.8414 }, "end": { "local": "1965-06-12T06:54:23+08:00", "utc": "1965-06-11T22:54:23Z", "ms": -143773536510.35953 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-06-10", "window": { "start": { "local": "1965-06-10T20:04:15+08:00", "utc": "1965-06-10T12:04:15Z", "ms": -143898945291.79434 }, "end": { "local": "1965-06-10T21:20:06+08:00", "utc": "1965-06-10T13:20:06Z", "ms": -143894394117.99097 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1965-06-11", "window": { "start": { "local": "1965-06-11T20:04:42+08:00", "utc": "1965-06-11T12:04:42Z", "ms": -143812517517.6035 }, "end": { "local": "1965-06-11T21:20:30+08:00", "utc": "1965-06-11T13:20:30Z", "ms": -143807970471.18808 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:00 on Fri 11 Jun to 06:54 on Sat 12 Jun.", "fact": "1965-06-10T21:59:47Z → 1965-06-11T22:54:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:04–21:20 on the 10th, 20:05–21:20 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 76 minutes on the 10th and 76 of 76 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 31181 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1965: Friday 11 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": "1965-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-06-11", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1965 falls on Friday 11 June. Trayodaśī runs from 06:00 on Fri 11 Jun to 06:54 on Sat 12 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36400, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-06-13T08:15:15+08:00", "utc": "1965-06-13T00:15:15Z", "ms": -143682284527.63132 }, "end": { "local": "1965-06-14T09:59:18+08:00", "utc": "1965-06-14T01:59:18Z", "ms": -143589641934.1592 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1965-06-13T08:15:15+08:00", "utc": "1965-06-13T00:15:15Z", "ms": -143682284527.63132 }, "end": { "local": "1965-06-14T09:59:18+08:00", "utc": "1965-06-14T01:59:18Z", "ms": -143589641934.1592 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-06-13", "window": { "start": { "local": "1965-06-13T20:05:34+08:00", "utc": "1965-06-13T12:05:34Z", "ms": -143639665774.9305 }, "end": { "local": "1965-06-13T21:21:14+08:00", "utc": "1965-06-13T13:21:14Z", "ms": -143635125819.50763 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "1965-06-14", "window": { "start": { "local": "1965-06-14T20:05:58+08:00", "utc": "1965-06-14T12:05:58Z", "ms": -143553241862.67148 }, "end": { "local": "1965-06-14T21:21:35+08:00", "utc": "1965-06-14T13:21:35Z", "ms": -143548704865.89746 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:15 on Sun 13 Jun to 09:59 on Mon 14 Jun.", "fact": "1965-06-13T00:15:15Z → 1965-06-14T01:59:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:06–21:21 on the 13th, 20:06–21:22 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 76 of 76 minutes on the 13th and 0 of 76 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36400 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Qingyang, 1965: Sunday 13 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vata-savitri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-06-13", "confidence": "determinate" } ], "quote": "In Qingyang, Vaṭa Sāvitrī Vrata 1965 falls on Sunday 13 June. Pūrṇimā runs from 08:15 on Sun 13 Jun to 09:59 on Mon 14 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/sankashta-chaturthi?on=1965-06-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15383, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-06-17T16:47:07+08:00", "utc": "1965-06-17T08:47:07Z", "ms": -143305973420.9755 }, "end": { "local": "1965-06-18T19:14:07+08:00", "utc": "1965-06-18T11:14:07Z", "ms": -143210752857.25177 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-06-17T16:47:07+08:00", "utc": "1965-06-17T08:47:07Z", "ms": -143305973420.9755 }, "end": { "local": "1965-06-18T19:14:07+08:00", "utc": "1965-06-18T11:14:07Z", "ms": -143210752857.25177 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-06-17", "window": { "start": { "local": "1965-06-17T22:53:37+08:00", "utc": "1965-06-17T14:53:37Z", "ms": -143283983251.36154 }, "end": { "local": "1965-06-17T22:53:37+08:00", "utc": "1965-06-17T14:53:37Z", "ms": -143283983251.36154 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-06-18", "window": { "start": { "local": "1965-06-18T23:30:30+08:00", "utc": "1965-06-18T15:30:30Z", "ms": -143195370068.6067 }, "end": { "local": "1965-06-18T23:30:30+08:00", "utc": "1965-06-18T15:30:30Z", "ms": -143195370068.6067 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:47 on Thu 17 Jun to 19:14 on Fri 18 Jun.", "fact": "1965-06-17T08:47:07Z → 1965-06-18T11:14:07Z" }, { "step": "kaala", "text": "Moonrise is at 22:54 on the 17th and 23:30 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 17th and is not on the 18th.", "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 15383 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1965: Thursday 17 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-06-17", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1965 falls on Thursday 17 June. Caturthī runs from 16:47 on Thu 17 Jun to 19:14 on Fri 18 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/sankashta-chaturthi?on=1965-06-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/ekadashi?on=1965-06-25", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14398, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-06-25T01:34:51+08:00", "utc": "1965-06-24T17:34:51Z", "ms": -142669508684.0263 }, "end": { "local": "1965-06-26T00:14:19+08:00", "utc": "1965-06-25T16:14:19Z", "ms": -142587941321.62558 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-06-25T01:34:51+08:00", "utc": "1965-06-24T17:34:51Z", "ms": -142669508684.0263 }, "end": { "local": "1965-06-26T00:14:19+08:00", "utc": "1965-06-25T16:14:19Z", "ms": -142587941321.62558 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-06-25", "window": { "start": { "local": "1965-06-25T05:34:49+08:00", "utc": "1965-06-24T21:34:49Z", "ms": -142655111024.63422 }, "end": { "local": "1965-06-25T05:34:49+08:00", "utc": "1965-06-24T21:34:49Z", "ms": -142655111024.63422 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-06-26", "window": { "start": { "local": "1965-06-26T05:35:07+08:00", "utc": "1965-06-25T21:35:07Z", "ms": -142568692509.1495 }, "end": { "local": "1965-06-26T05:35:07+08:00", "utc": "1965-06-25T21:35:07Z", "ms": -142568692509.1495 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:35 on Fri 25 Jun to 00:14 on Sat 26 Jun.", "fact": "1965-06-24T17:34:51Z → 1965-06-25T16:14:19Z" }, { "step": "kaala", "text": "Sunrise is at 05:35 on the 25th and 05:35 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14398 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Qingyang, 1965: Friday 25 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-06-25", "confidence": "determinate" } ], "quote": "In Qingyang, Yoginī Ekādaśī 1965 falls on Friday 25 June. Ekādaśī runs from 01:35 on Fri 25 Jun to 00:14 on Sat 26 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-06-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-06-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-06-26", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2260, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-06-26T22:11:13+08:00", "utc": "1965-06-26T14:11:13Z", "ms": -142508926594.0891 }, "end": { "local": "1965-06-27T19:31:18+08:00", "utc": "1965-06-27T11:31:18Z", "ms": -142432122015.30838 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-06-26T22:11:13+08:00", "utc": "1965-06-26T14:11:13Z", "ms": -142508926594.0891 }, "end": { "local": "1965-06-27T19:31:18+08:00", "utc": "1965-06-27T11:31:18Z", "ms": -142432122015.30838 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-06-26", "window": { "start": { "local": "1965-06-26T20:08:53+08:00", "utc": "1965-06-26T12:08:53Z", "ms": -142516266881.32028 }, "end": { "local": "1965-06-26T21:24:26+08:00", "utc": "1965-06-26T13:24:26Z", "ms": -142511734311.77866 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1965-06-27", "window": { "start": { "local": "1965-06-27T20:08:58+08:00", "utc": "1965-06-27T12:08:58Z", "ms": -142429862339.77774 }, "end": { "local": "1965-06-27T21:24:32+08:00", "utc": "1965-06-27T13:24:32Z", "ms": -142425327542.4565 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:11 on Sat 26 Jun to 19:31 on Sun 27 Jun.", "fact": "1965-06-26T14:11:13Z → 1965-06-27T11:31:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:09–21:24 on the 26th, 20:09–21:25 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 76 minutes on the 26th and 0 of 76 on the 27th.", "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 2260 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1965: Saturday 26 June.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-06-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-06-26", "confidence": "boundary" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1965 falls on Saturday 26 June. Trayodaśī runs from 22:11 on Sat 26 Jun to 19:31 on Sun 27 Jun, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-06-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/shivaratri?on=1965-06-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17825, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-06-27T19:31:18+08:00", "utc": "1965-06-27T11:31:18Z", "ms": -142432122015.30838 }, "end": { "local": "1965-06-28T16:22:05+08:00", "utc": "1965-06-28T08:22:05Z", "ms": -142357075323.9014 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-06-27T19:31:18+08:00", "utc": "1965-06-27T11:31:18Z", "ms": -142432122015.30838 }, "end": { "local": "1965-06-28T16:22:05+08:00", "utc": "1965-06-28T08:22:05Z", "ms": -142357075323.9014 } }, "kaala": "nishita", "days": [ { "local_date": "1965-06-27", "window": { "start": { "local": "1965-06-28T00:28:23+08:00", "utc": "1965-06-27T16:28:23Z", "ms": -142414296849.82318 }, "end": { "local": "1965-06-28T01:16:23+08:00", "utc": "1965-06-27T17:16:23Z", "ms": -142411416849.82318 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-06-28", "window": { "start": { "local": "1965-06-29T00:28:36+08:00", "utc": "1965-06-28T16:28:36Z", "ms": -142327884118.5449 }, "end": { "local": "1965-06-29T01:16:36+08:00", "utc": "1965-06-28T17:16:36Z", "ms": -142325004118.5449 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:31 on Sun 27 Jun to 16:22 on Mon 28 Jun.", "fact": "1965-06-27T11:31:18Z → 1965-06-28T08:22:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:28–01:16 on the 27th, 00:29–01:17 on the 28th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17825 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1965: Sunday 27 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-06-27", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1965 falls on Sunday 27 June. Caturdaśī runs from 19:31 on Sun 27 Jun to 16:22 on Mon 28 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1965/shivaratri?on=1965-06-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11829, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1965-06-30T09:11:39+08:00", "utc": "1965-06-30T01:11:39Z", "ms": -142210100888.51077 }, "end": { "local": "1965-07-01T05:29:54+08:00", "utc": "1965-06-30T21:29:54Z", "ms": -142137006426.76868 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-06-30T09:11:39+08:00", "utc": "1965-06-30T01:11:39Z", "ms": -142210100888.51077 }, "end": { "local": "1965-07-01T05:29:54+08:00", "utc": "1965-06-30T21:29:54Z", "ms": -142137006426.76868 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-06-30", "window": { "start": { "local": "1965-06-30T12:28:48+08:00", "utc": "1965-06-30T04:28:48Z", "ms": -142198271804.45038 }, "end": { "local": "1965-06-30T13:16:48+08:00", "utc": "1965-06-30T05:16:48Z", "ms": -142195391804.45038 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-07-01", "window": { "start": { "local": "1965-07-01T12:29:00+08:00", "utc": "1965-07-01T04:29:00Z", "ms": -142111860338.82214 }, "end": { "local": "1965-07-01T13:17:00+08:00", "utc": "1965-07-01T05:17:00Z", "ms": -142108980338.82214 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 09:12 on Wed 30 Jun to 05:30 on Thu 1 Jul.", "fact": "1965-06-30T01:11:39Z → 1965-06-30T21:29:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 30th, 12:29–13:17 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11829 s" }, { "step": "ruling", "text": "Rathayātrā, Qingyang, 1965: Wednesday 30 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-06-30", "confidence": "determinate" } ], "quote": "In Qingyang, Rathayātrā 1965 falls on Wednesday 30 June. Dvitīyā runs from 09:12 on Wed 30 Jun to 05:30 on Thu 1 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-07-02", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33907, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-07-02T01:56:57+08:00", "utc": "1965-07-01T17:56:57Z", "ms": -142063383190.56003 }, "end": { "local": "1965-07-02T22:42:17+08:00", "utc": "1965-07-02T14:42:17Z", "ms": -141988662545.9674 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-07-02T01:56:57+08:00", "utc": "1965-07-01T17:56:57Z", "ms": -142063383190.56003 }, "end": { "local": "1965-07-02T22:42:17+08:00", "utc": "1965-07-02T14:42:17Z", "ms": -141988662545.9674 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-07-01", "window": { "start": { "local": "1965-07-01T12:29:00+08:00", "utc": "1965-07-01T04:29:00Z", "ms": -142111860338.82214 }, "end": { "local": "1965-07-01T13:17:00+08:00", "utc": "1965-07-01T05:17:00Z", "ms": -142108980338.82214 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-07-02", "window": { "start": { "local": "1965-07-02T12:29:11+08:00", "utc": "1965-07-02T04:29:11Z", "ms": -142025449131.69324 }, "end": { "local": "1965-07-02T13:17:11+08:00", "utc": "1965-07-02T05:17:11Z", "ms": -142022569131.69324 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:57 on Fri 2 Jul to 22:42 on Fri 2 Jul.", "fact": "1965-07-01T17:56:57Z → 1965-07-02T14:42:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 1st, 12:29–13:17 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 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33907 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1965: Friday 2 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": "1965-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-02", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1965 falls on Friday 2 July. Caturthī runs from 01:57 on Fri 2 Jul to 22:42 on Fri 2 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-07-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23832, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1965-07-02T22:42:17+08:00", "utc": "1965-07-02T14:42:17Z", "ms": -141988662545.9674 }, "end": { "local": "1965-07-03T19:54:34+08:00", "utc": "1965-07-03T11:54:34Z", "ms": -141912326021.81366 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-07-02T22:42:17+08:00", "utc": "1965-07-02T14:42:17Z", "ms": -141988662545.9674 }, "end": { "local": "1965-07-03T19:54:34+08:00", "utc": "1965-07-03T11:54:34Z", "ms": -141912326021.81366 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-07-02", "window": { "start": { "local": "1965-07-02T12:29:11+08:00", "utc": "1965-07-02T04:29:11Z", "ms": -142025449131.69324 }, "end": { "local": "1965-07-02T13:17:11+08:00", "utc": "1965-07-02T05:17:11Z", "ms": -142022569131.69324 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-07-03", "window": { "start": { "local": "1965-07-03T12:29:22+08:00", "utc": "1965-07-03T04:29:22Z", "ms": -141939038208.68756 }, "end": { "local": "1965-07-03T13:17:22+08:00", "utc": "1965-07-03T05:17:22Z", "ms": -141936158208.68756 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:42 on Fri 2 Jul to 19:55 on Sat 3 Jul.", "fact": "1965-07-02T14:42:17Z → 1965-07-03T11:54:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 2nd, 12:29–13:17 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 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 23832 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Qingyang, 1965: Saturday 3 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-03", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Pañcamī 1965 falls on Saturday 3 July. Pañcamī runs from 22:42 on Fri 2 Jul to 19:55 on Sat 3 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10169, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1965-07-04T17:41:04+08:00", "utc": "1965-07-04T09:41:04Z", "ms": -141833935818.221 }, "end": { "local": "1965-07-05T16:07:12+08:00", "utc": "1965-07-05T08:07:12Z", "ms": -141753168007.5934 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-07-04T17:41:04+08:00", "utc": "1965-07-04T09:41:04Z", "ms": -141833935818.221 }, "end": { "local": "1965-07-05T16:07:12+08:00", "utc": "1965-07-05T08:07:12Z", "ms": -141753168007.5934 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-07-04", "window": { "start": { "local": "1965-07-04T12:29:32+08:00", "utc": "1965-07-04T04:29:32Z", "ms": -141852627593.42868 }, "end": { "local": "1965-07-04T13:17:32+08:00", "utc": "1965-07-04T05:17:32Z", "ms": -141849747593.42868 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-07-05", "window": { "start": { "local": "1965-07-05T12:29:43+08:00", "utc": "1965-07-05T04:29:43Z", "ms": -141766217307.50113 }, "end": { "local": "1965-07-05T13:17:43+08:00", "utc": "1965-07-05T05:17:43Z", "ms": -141763337307.50113 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 17:41 on Sun 4 Jul to 16:07 on Mon 5 Jul.", "fact": "1965-07-04T09:41:04Z → 1965-07-05T08:07:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 4th, 12:30–13:18 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 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10169 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Qingyang, 1965: Monday 5 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": "1965-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-05", "confidence": "determinate" } ], "quote": "In Qingyang, Vivasvat Saptamī 1965 falls on Monday 5 July. Saptamī runs from 17:41 on Sun 4 Jul to 16:07 on Mon 5 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-07-09", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35948, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-07-08T15:39:35+08:00", "utc": "1965-07-08T07:39:35Z", "ms": -141495624664.8764 }, "end": { "local": "1965-07-09T16:47:13+08:00", "utc": "1965-07-09T08:47:13Z", "ms": -141405166924.95682 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-07-08T15:39:35+08:00", "utc": "1965-07-08T07:39:35Z", "ms": -141495624664.8764 }, "end": { "local": "1965-07-09T16:47:13+08:00", "utc": "1965-07-09T08:47:13Z", "ms": -141405166924.95682 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-07-08", "window": { "start": { "local": "1965-07-08T05:40:27+08:00", "utc": "1965-07-07T21:40:27Z", "ms": -141531572812.88965 }, "end": { "local": "1965-07-08T05:40:27+08:00", "utc": "1965-07-07T21:40:27Z", "ms": -141531572812.88965 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-07-09", "window": { "start": { "local": "1965-07-09T05:41:01+08:00", "utc": "1965-07-08T21:41:01Z", "ms": -141445139170.05835 }, "end": { "local": "1965-07-09T05:41:01+08:00", "utc": "1965-07-08T21:41:01Z", "ms": -141445139170.05835 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:40 on Thu 8 Jul to 16:47 on Fri 9 Jul.", "fact": "1965-07-08T07:39:35Z → 1965-07-09T08:47:13Z" }, { "step": "kaala", "text": "Sunrise is at 05:40 on the 8th and 05:41 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 35948 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Qingyang, 1965: Friday 9 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": "1965-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-09", "confidence": "determinate" } ], "quote": "In Qingyang, Hariśayanī Ekādaśī 1965 falls on Friday 9 July. Ekādaśī runs from 15:40 on Thu 8 Jul to 16:47 on Fri 9 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-07-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-07-10", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-10", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 973, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-07-10T18:24:07+08:00", "utc": "1965-07-10T10:24:07Z", "ms": -141312953466.41687 }, "end": { "local": "1965-07-11T20:23:16+08:00", "utc": "1965-07-11T12:23:16Z", "ms": -141219404373.7888 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-07-10T18:24:07+08:00", "utc": "1965-07-10T10:24:07Z", "ms": -141312953466.41687 }, "end": { "local": "1965-07-11T20:23:16+08:00", "utc": "1965-07-11T12:23:16Z", "ms": -141219404373.7888 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-07-10", "window": { "start": { "local": "1965-07-10T20:07:22+08:00", "utc": "1965-07-10T12:07:22Z", "ms": -141306758301.58344 }, "end": { "local": "1965-07-10T21:24:00+08:00", "utc": "1965-07-10T13:24:00Z", "ms": -141302159753.34018 } }, "covered_min": 77, "window_min": 77, "qualifies": true }, { "local_date": "1965-07-11", "window": { "start": { "local": "1965-07-11T20:07:02+08:00", "utc": "1965-07-11T12:07:02Z", "ms": -141220377844.49893 }, "end": { "local": "1965-07-11T21:23:48+08:00", "utc": "1965-07-11T13:23:48Z", "ms": -141215771854.6534 } }, "covered_min": 16, "window_min": 77, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:24 on Sat 10 Jul to 20:23 on Sun 11 Jul.", "fact": "1965-07-10T10:24:07Z → 1965-07-11T12:23:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:07–21:24 on the 10th, 20:07–21:24 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 77 of 77 minutes on the 10th and 16 of 77 on the 11th.", "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 973 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1965: Saturday 10 July.", "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": "1965-07-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-10", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1965 falls on Saturday 10 July. Trayodaśī runs from 18:24 on Sat 10 Jul to 20:23 on Sun 11 Jul and covers all of pradoṣa that evening. It also reaches the next evening for 16 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/qingyang/festivals/1965/pradosha-vrata?on=1965-07-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16960, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-07-12T22:37:47+08:00", "utc": "1965-07-12T14:37:47Z", "ms": -141124932563.62338 }, "end": { "local": "1965-07-14T01:01:22+08:00", "utc": "1965-07-13T17:01:22Z", "ms": -141029917643.4274 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-07-12T22:37:47+08:00", "utc": "1965-07-12T14:37:47Z", "ms": -141124932563.62338 }, "end": { "local": "1965-07-14T01:01:22+08:00", "utc": "1965-07-13T17:01:22Z", "ms": -141029917643.4274 } }, "kaala": "udaya-3", "days": [ { "local_date": "1965-07-13", "window": { "start": { "local": "1965-07-13T05:43:24+08:00", "utc": "1965-07-12T21:43:24Z", "ms": -141099395843.7992 }, "end": { "local": "1965-07-13T08:35:59+08:00", "utc": "1965-07-13T00:35:59Z", "ms": -141089041093.60074 } }, "covered_min": 173, "window_min": 173, "qualifies": true }, { "local_date": "1965-07-14", "window": { "start": { "local": "1965-07-14T05:44:02+08:00", "utc": "1965-07-13T21:44:02Z", "ms": -141012957992.29453 }, "end": { "local": "1965-07-14T08:36:24+08:00", "utc": "1965-07-14T00:36:24Z", "ms": -141002615749.54706 } }, "covered_min": 0, "window_min": 172, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:38 on Mon 12 Jul to 01:01 on Wed 14 Jul.", "fact": "1965-07-12T14:37:47Z → 1965-07-13T17:01:22Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:43–08:36 on the 13th, 05:44–08:36 on the 14th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 173 of 173 minutes on the 13th and 0 of 172 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16960 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Qingyang, 1965: Tuesday 13 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vyasa-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "udaya-3", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-13", "confidence": "determinate" } ], "quote": "In Qingyang, Vyāsa Pūjā 1965 falls on Tuesday 13 July. Pūrṇimā runs from 22:38 on Mon 12 Jul to 01:01 on Wed 14 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33543, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-07-12T22:37:47+08:00", "utc": "1965-07-12T14:37:47Z", "ms": -141124932563.62338 }, "end": { "local": "1965-07-14T01:01:22+08:00", "utc": "1965-07-13T17:01:22Z", "ms": -141029917643.4274 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-07-12T22:37:47+08:00", "utc": "1965-07-12T14:37:47Z", "ms": -141124932563.62338 }, "end": { "local": "1965-07-14T01:01:22+08:00", "utc": "1965-07-13T17:01:22Z", "ms": -141029917643.4274 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-07-12", "window": { "start": { "local": "1965-07-12T12:30:44+08:00", "utc": "1965-07-12T04:30:44Z", "ms": -141161356015.9971 }, "end": { "local": "1965-07-12T13:18:44+08:00", "utc": "1965-07-12T05:18:44Z", "ms": -141158476015.9971 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-07-13", "window": { "start": { "local": "1965-07-13T12:30:51+08:00", "utc": "1965-07-13T04:30:51Z", "ms": -141074948968.30304 }, "end": { "local": "1965-07-13T13:18:51+08:00", "utc": "1965-07-13T05:18:51Z", "ms": -141072068968.30304 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:38 on Mon 12 Jul to 01:01 on Wed 14 Jul.", "fact": "1965-07-12T14:37:47Z → 1965-07-13T17:01:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 12th, 12:31–13:19 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33543 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Qingyang, 1965: Tuesday 13 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "guru-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-13", "confidence": "determinate" } ], "quote": "In Qingyang, Guru Pūrṇimā 1965 falls on Tuesday 13 July. Pūrṇimā runs from 22:38 on Mon 12 Jul to 01:01 on Wed 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9067, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-07-12T22:37:47+08:00", "utc": "1965-07-12T14:37:47Z", "ms": -141124932563.62338 }, "end": { "local": "1965-07-14T01:01:22+08:00", "utc": "1965-07-13T17:01:22Z", "ms": -141029917643.4274 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-07-12T22:37:47+08:00", "utc": "1965-07-12T14:37:47Z", "ms": -141124932563.62338 }, "end": { "local": "1965-07-14T01:01:22+08:00", "utc": "1965-07-13T17:01:22Z", "ms": -141029917643.4274 } }, "kaala": "sayahna", "days": [ { "local_date": "1965-07-12", "window": { "start": { "local": "1965-07-12T17:13:54+08:00", "utc": "1965-07-12T09:13:54Z", "ms": -141144365873.2009 }, "end": { "local": "1965-07-12T20:06:41+08:00", "utc": "1965-07-12T12:06:41Z", "ms": -141133999111.33676 } }, "covered_min": 0, "window_min": 173, "qualifies": false }, { "local_date": "1965-07-13", "window": { "start": { "local": "1965-07-13T17:13:43+08:00", "utc": "1965-07-13T09:13:43Z", "ms": -141057976843.0053 }, "end": { "local": "1965-07-13T20:06:18+08:00", "utc": "1965-07-13T12:06:18Z", "ms": -141047622092.80685 } }, "covered_min": 173, "window_min": 173, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:38 on Mon 12 Jul to 01:01 on Wed 14 Jul.", "fact": "1965-07-12T14:37:47Z → 1965-07-13T17:01:22Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:14–20:07 on the 12th, 17:14–20:06 on the 13th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 173 minutes on the 12th and 173 of 173 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9067 s" }, { "step": "ruling", "text": "Kokilā Vrata, Qingyang, 1965: Tuesday 13 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kokila-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-13", "confidence": "determinate" } ], "quote": "In Qingyang, Kokilā Vrata 1965 falls on Tuesday 13 July. Pūrṇimā runs from 22:38 on Mon 12 Jul to 01:01 on Wed 14 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4453, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-07-12T22:37:47+08:00", "utc": "1965-07-12T14:37:47Z", "ms": -141124932563.62338 }, "end": { "local": "1965-07-14T01:01:22+08:00", "utc": "1965-07-13T17:01:22Z", "ms": -141029917643.4274 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1965-07-12T22:37:47+08:00", "utc": "1965-07-12T14:37:47Z", "ms": -141124932563.62338 }, "end": { "local": "1965-07-14T01:01:22+08:00", "utc": "1965-07-13T17:01:22Z", "ms": -141029917643.4274 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-07-12", "window": { "start": { "local": "1965-07-12T20:06:41+08:00", "utc": "1965-07-12T12:06:41Z", "ms": -141133999111.33676 }, "end": { "local": "1965-07-12T21:23:35+08:00", "utc": "1965-07-12T13:23:35Z", "ms": -141129385342.33176 } }, "covered_min": 0, "window_min": 77, "qualifies": false }, { "local_date": "1965-07-13", "window": { "start": { "local": "1965-07-13T20:06:18+08:00", "utc": "1965-07-13T12:06:18Z", "ms": -141047622092.80685 }, "end": { "local": "1965-07-13T21:23:20+08:00", "utc": "1965-07-13T13:23:20Z", "ms": -141043000212.73856 } }, "covered_min": 77, "window_min": 77, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:38 on Mon 12 Jul to 01:01 on Wed 14 Jul.", "fact": "1965-07-12T14:37:47Z → 1965-07-13T17:01:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:07–21:24 on the 12th, 20:06–21:23 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 77 minutes on the 12th and 77 of 77 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4453 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Qingyang, 1965: Tuesday 13 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-13", "confidence": "determinate" } ], "quote": "In Qingyang, Śiva Śayanotsava 1965 falls on Tuesday 13 July. Pūrṇimā runs from 22:38 on Mon 12 Jul to 01:01 on Wed 14 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23756, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1965-07-15T03:28:16+08:00", "utc": "1965-07-14T19:28:16Z", "ms": -140934704371.33185 }, "end": { "local": "1965-07-16T05:52:59+08:00", "utc": "1965-07-15T21:52:59Z", "ms": -140839621010.10684 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1965-07-15T03:28:16+08:00", "utc": "1965-07-14T19:28:16Z", "ms": -140934704371.33185 }, "end": { "local": "1965-07-16T05:52:59+08:00", "utc": "1965-07-15T21:52:59Z", "ms": -140839621010.10684 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-07-14", "window": { "start": { "local": "1965-07-14T20:52:20+08:00", "utc": "1965-07-14T12:52:20Z", "ms": -140958460190.03418 }, "end": { "local": "1965-07-14T20:52:20+08:00", "utc": "1965-07-14T12:52:20Z", "ms": -140958460190.03418 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-07-15", "window": { "start": { "local": "1965-07-15T21:30:51+08:00", "utc": "1965-07-15T13:30:51Z", "ms": -140869749103.22418 }, "end": { "local": "1965-07-15T21:30:51+08:00", "utc": "1965-07-15T13:30:51Z", "ms": -140869749103.22418 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 03:28 on Thu 15 Jul to 05:53 on Fri 16 Jul.", "fact": "1965-07-14T19:28:16Z → 1965-07-15T21:52:59Z" }, { "step": "kaala", "text": "Moonrise is at 20:52 on the 14th and 21:31 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23756 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Qingyang, 1965: Thursday 15 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": "1965-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-15", "confidence": "determinate" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata (Āṣāḍha) 1965 falls on Thursday 15 July. Dvitīyā runs from 03:28 on Thu 15 Jul to 05:53 on Fri 16 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/sankashta-chaturthi?on=1965-07-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36316, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-07-17T08:09:53+08:00", "utc": "1965-07-17T00:09:53Z", "ms": -140745006504.60944 }, "end": { "local": "1965-07-18T10:12:47+08:00", "utc": "1965-07-18T02:12:47Z", "ms": -140651232806.38513 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1965-07-17T08:09:53+08:00", "utc": "1965-07-17T00:09:53Z", "ms": -140745006504.60944 }, "end": { "local": "1965-07-18T10:12:47+08:00", "utc": "1965-07-18T02:12:47Z", "ms": -140651232806.38513 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-07-16", "window": { "start": { "local": "1965-07-16T22:04:37+08:00", "utc": "1965-07-16T14:04:37Z", "ms": -140781322583.4248 }, "end": { "local": "1965-07-16T22:04:37+08:00", "utc": "1965-07-16T14:04:37Z", "ms": -140781322583.4248 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-07-17", "window": { "start": { "local": "1965-07-17T22:34:44+08:00", "utc": "1965-07-17T14:34:44Z", "ms": -140693116132.45618 }, "end": { "local": "1965-07-17T22:34:44+08:00", "utc": "1965-07-17T14:34:44Z", "ms": -140693116132.45618 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:10 on Sat 17 Jul to 10:13 on Sun 18 Jul.", "fact": "1965-07-17T00:09:53Z → 1965-07-18T02:12:47Z" }, { "step": "kaala", "text": "Moonrise is at 22:05 on the 16th and 22:35 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 36316 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1965: Saturday 17 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": "1965-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-17", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1965 falls on Saturday 17 July. Caturthī runs from 08:10 on Sat 17 Jul to 10:13 on Sun 18 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/sankashta-chaturthi?on=1965-07-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/ekadashi?on=1965-07-25", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12681, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-07-24T11:33:54+08:00", "utc": "1965-07-24T03:33:54Z", "ms": -140127965958.10754 }, "end": { "local": "1965-07-25T09:23:01+08:00", "utc": "1965-07-25T01:23:01Z", "ms": -140049418597.13748 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1965-07-24T11:33:54+08:00", "utc": "1965-07-24T03:33:54Z", "ms": -140127965958.10754 }, "end": { "local": "1965-07-25T09:23:01+08:00", "utc": "1965-07-25T01:23:01Z", "ms": -140049418597.13748 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-07-24", "window": { "start": { "local": "1965-07-24T05:50:56+08:00", "utc": "1965-07-23T21:50:56Z", "ms": -140148543896.8468 }, "end": { "local": "1965-07-24T05:50:56+08:00", "utc": "1965-07-23T21:50:56Z", "ms": -140148543896.8468 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-07-25", "window": { "start": { "local": "1965-07-25T05:51:40+08:00", "utc": "1965-07-24T21:51:40Z", "ms": -140062099618.27045 }, "end": { "local": "1965-07-25T05:51:40+08:00", "utc": "1965-07-24T21:51:40Z", "ms": -140062099618.27045 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:34 on Sat 24 Jul to 09:23 on Sun 25 Jul.", "fact": "1965-07-24T03:33:54Z → 1965-07-25T01:23:01Z" }, { "step": "kaala", "text": "Sunrise is at 05:51 on the 24th and 05:52 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12681 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Qingyang, 1965: Sunday 25 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": "1965-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-25", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmikā Ekādaśī 1965 falls on Sunday 25 July. Ekādaśī runs from 11:34 on Sat 24 Jul to 09:23 on Sun 25 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-07-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-07-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21502, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-07-26T06:34:52+08:00", "utc": "1965-07-25T22:34:52Z", "ms": -139973108277.9457 }, "end": { "local": "1965-07-27T03:16:26+08:00", "utc": "1965-07-26T19:16:26Z", "ms": -139898613995.45862 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1965-07-26T06:34:52+08:00", "utc": "1965-07-25T22:34:52Z", "ms": -139973108277.9457 }, "end": { "local": "1965-07-27T03:16:26+08:00", "utc": "1965-07-26T19:16:26Z", "ms": -139898613995.45862 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-07-25", "window": { "start": { "local": "1965-07-25T19:59:33+08:00", "utc": "1965-07-25T11:59:33Z", "ms": -140011227001.37912 }, "end": { "local": "1965-07-25T21:18:36+08:00", "utc": "1965-07-25T13:18:36Z", "ms": -140006484060.62173 } }, "covered_min": 0, "window_min": 79, "qualifies": false }, { "local_date": "1965-07-26", "window": { "start": { "local": "1965-07-26T19:58:49+08:00", "utc": "1965-07-26T11:58:49Z", "ms": -139924871043.7061 }, "end": { "local": "1965-07-26T21:18:04+08:00", "utc": "1965-07-26T13:18:04Z", "ms": -139920116226.32242 } }, "covered_min": 79, "window_min": 79, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:35 on Mon 26 Jul to 03:16 on Tue 27 Jul.", "fact": "1965-07-25T22:34:52Z → 1965-07-26T19:16:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:00–21:19 on the 25th, 19:59–21:18 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 79 minutes on the 25th and 79 of 79 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 21502 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1965: Monday 26 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-26", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1965 falls on Monday 26 July. Trayodaśī runs from 06:35 on Mon 26 Jul to 03:16 on Tue 27 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-07-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/shivaratri?on=1965-07-26", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-26", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3332, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-07-27T03:16:26+08:00", "utc": "1965-07-26T19:16:26Z", "ms": -139898613995.45862 }, "end": { "local": "1965-07-27T23:36:27+08:00", "utc": "1965-07-27T15:36:27Z", "ms": -139825412615.93127 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1965-07-27T03:16:26+08:00", "utc": "1965-07-26T19:16:26Z", "ms": -139898613995.45862 }, "end": { "local": "1965-07-27T23:36:27+08:00", "utc": "1965-07-27T15:36:27Z", "ms": -139825412615.93127 } }, "kaala": "nishita", "days": [ { "local_date": "1965-07-26", "window": { "start": { "local": "1965-07-27T00:32:00+08:00", "utc": "1965-07-26T16:32:00Z", "ms": -139908480478.5173 }, "end": { "local": "1965-07-27T01:20:00+08:00", "utc": "1965-07-26T17:20:00Z", "ms": -139905600478.5173 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-07-27", "window": { "start": { "local": "1965-07-28T00:31:59+08:00", "utc": "1965-07-27T16:31:59Z", "ms": -139822080574.81268 }, "end": { "local": "1965-07-28T01:19:59+08:00", "utc": "1965-07-27T17:19:59Z", "ms": -139819200574.81268 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:16 on Tue 27 Jul to 23:36 on Tue 27 Jul.", "fact": "1965-07-26T19:16:26Z → 1965-07-27T15:36:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:32–01:20 on the 26th, 00:32–01:20 on the 27th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 26th and 0 of 48 on the 27th.", "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 3332 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1965: Monday 26 July.", "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": "1965-07-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-26", "confidence": "boundary" } ], "quote": "In Qingyang, Śivarātri 1965 falls on Monday 26 July. Caturdaśī runs from 03:16 on Tue 27 Jul to 23:36 on Tue 27 Jul, and reaches niśītha on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1965/shivaratri?on=1965-07-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1311, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1965-07-30T12:09:41+08:00", "utc": "1965-07-30T04:09:41Z", "ms": -139607418580.68005 }, "end": { "local": "1965-07-31T08:47:55+08:00", "utc": "1965-07-31T00:47:55Z", "ms": -139533124715.1145 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1965-07-30T12:09:41+08:00", "utc": "1965-07-30T04:09:41Z", "ms": -139607418580.68005 }, "end": { "local": "1965-07-31T08:47:55+08:00", "utc": "1965-07-31T00:47:55Z", "ms": -139533124715.1145 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-07-30", "window": { "start": { "local": "1965-07-30T12:31:32+08:00", "utc": "1965-07-30T04:31:32Z", "ms": -139606107566.6416 }, "end": { "local": "1965-07-30T13:19:32+08:00", "utc": "1965-07-30T05:19:32Z", "ms": -139603227566.6416 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-07-31", "window": { "start": { "local": "1965-07-31T12:31:30+08:00", "utc": "1965-07-31T04:31:30Z", "ms": -139519710211.35266 }, "end": { "local": "1965-07-31T13:19:30+08:00", "utc": "1965-07-31T05:19:30Z", "ms": -139516830211.35266 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:10 on Fri 30 Jul to 08:48 on Sat 31 Jul.", "fact": "1965-07-30T04:09:41Z → 1965-07-31T00:47:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 30th, 12:31–13:19 on the 31st.", "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 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1311 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Qingyang, 1965: Friday 30 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-30", "confidence": "determinate" } ], "quote": "In Qingyang, Madhusravā Tṛtīyā (Hariyali Teej) 1965 falls on Friday 30 July. Tṛtīyā runs from 12:10 on Fri 30 Jul to 08:48 on Sat 31 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-07-31", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13415, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-07-31T08:47:55+08:00", "utc": "1965-07-31T00:47:55Z", "ms": -139533124715.1145 }, "end": { "local": "1965-08-01T05:57:05+08:00", "utc": "1965-07-31T21:57:05Z", "ms": -139456974832.4276 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1965-07-31T08:47:55+08:00", "utc": "1965-07-31T00:47:55Z", "ms": -139533124715.1145 }, "end": { "local": "1965-08-01T05:57:05+08:00", "utc": "1965-07-31T21:57:05Z", "ms": -139456974832.4276 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-07-31", "window": { "start": { "local": "1965-07-31T12:31:30+08:00", "utc": "1965-07-31T04:31:30Z", "ms": -139519710211.35266 }, "end": { "local": "1965-07-31T13:19:30+08:00", "utc": "1965-07-31T05:19:30Z", "ms": -139516830211.35266 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-08-01", "window": { "start": { "local": "1965-08-01T12:31:27+08:00", "utc": "1965-08-01T04:31:27Z", "ms": -139433313469.66495 }, "end": { "local": "1965-08-01T13:19:27+08:00", "utc": "1965-08-01T05:19:27Z", "ms": -139430433469.66495 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:48 on Sat 31 Jul to 05:57 on Sun 1 Aug.", "fact": "1965-07-31T00:47:55Z → 1965-07-31T21:57:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 31st, 12:31–13:19 on the 1st.", "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 31st and 0 of 48 on the 1st.", "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 13415 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1965: Saturday 31 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": "1965-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-07-31", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1965 falls on Saturday 31 July. Caturthī runs from 08:48 on Sat 31 Jul to 05:57 on Sun 1 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23661, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1965-08-01T05:57:05+08:00", "utc": "1965-07-31T21:57:05Z", "ms": -139456974832.4276 }, "end": { "local": "1965-08-02T03:45:56+08:00", "utc": "1965-08-01T19:45:56Z", "ms": -139378444359.9407 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1965-08-01T05:57:05+08:00", "utc": "1965-07-31T21:57:05Z", "ms": -139456974832.4276 }, "end": { "local": "1965-08-02T03:45:56+08:00", "utc": "1965-08-01T19:45:56Z", "ms": -139378444359.9407 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-08-01", "window": { "start": { "local": "1965-08-01T12:31:27+08:00", "utc": "1965-08-01T04:31:27Z", "ms": -139433313469.66495 }, "end": { "local": "1965-08-01T13:19:27+08:00", "utc": "1965-08-01T05:19:27Z", "ms": -139430433469.66495 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-08-02", "window": { "start": { "local": "1965-08-02T12:31:23+08:00", "utc": "1965-08-02T04:31:23Z", "ms": -139346917344.47726 }, "end": { "local": "1965-08-02T13:19:23+08:00", "utc": "1965-08-02T05:19:23Z", "ms": -139344037344.47726 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:57 on Sun 1 Aug to 03:46 on Mon 2 Aug.", "fact": "1965-07-31T21:57:05Z → 1965-08-01T19:45:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 1st, 12:31–13:19 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23661 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Qingyang, 1965: Sunday 1 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": "1965-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-01", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī 1965 falls on Sunday 1 August. Pañcamī runs from 05:57 on Sun 1 Aug to 03:46 on Mon 2 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-08-08", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2373, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-08-07T04:37:00+08:00", "utc": "1965-08-06T20:37:00Z", "ms": -138943379791.4266 }, "end": { "local": "1965-08-08T06:42:00+08:00", "utc": "1965-08-07T22:42:00Z", "ms": -138849479885.9398 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1965-08-07T04:37:00+08:00", "utc": "1965-08-06T20:37:00Z", "ms": -138943379791.4266 }, "end": { "local": "1965-08-08T06:42:00+08:00", "utc": "1965-08-07T22:42:00Z", "ms": -138849479885.9398 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-08-07", "window": { "start": { "local": "1965-08-07T06:01:40+08:00", "utc": "1965-08-06T22:01:40Z", "ms": -138938299945.97202 }, "end": { "local": "1965-08-07T06:01:40+08:00", "utc": "1965-08-06T22:01:40Z", "ms": -138938299945.97202 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-08-08", "window": { "start": { "local": "1965-08-08T06:02:27+08:00", "utc": "1965-08-07T22:02:27Z", "ms": -138851852925.5228 }, "end": { "local": "1965-08-08T06:02:27+08:00", "utc": "1965-08-07T22:02:27Z", "ms": -138851852925.5228 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:37 on Sat 7 Aug to 06:42 on Sun 8 Aug.", "fact": "1965-08-06T20:37:00Z → 1965-08-07T22:42:00Z" }, { "step": "kaala", "text": "Sunrise is at 06:02 on the 7th and 06:02 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 2373 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Qingyang, 1965: Sunday 8 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-08", "confidence": "determinate" } ], "quote": "In Qingyang, Putradā Ekādaśī 1965 falls on Sunday 8 August. Ekādaśī runs from 04:37 on Sat 7 Aug to 06:42 on Sun 8 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12398, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1965-08-08T06:42:00+08:00", "utc": "1965-08-07T22:42:00Z", "ms": -138849479885.9398 }, "end": { "local": "1965-08-09T09:04:01+08:00", "utc": "1965-08-09T01:04:01Z", "ms": -138754559115.2434 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1965-08-08T06:42:00+08:00", "utc": "1965-08-07T22:42:00Z", "ms": -138849479885.9398 }, "end": { "local": "1965-08-09T09:04:01+08:00", "utc": "1965-08-09T01:04:01Z", "ms": -138754559115.2434 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-08-08", "window": { "start": { "local": "1965-08-08T12:30:47+08:00", "utc": "1965-08-08T04:30:47Z", "ms": -138828553468.73965 }, "end": { "local": "1965-08-08T13:18:47+08:00", "utc": "1965-08-08T05:18:47Z", "ms": -138825673468.73965 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-08-09", "window": { "start": { "local": "1965-08-09T12:30:38+08:00", "utc": "1965-08-09T04:30:38Z", "ms": -138742161593.59747 }, "end": { "local": "1965-08-09T13:18:38+08:00", "utc": "1965-08-09T05:18:38Z", "ms": -138739281593.59747 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:42 on Sun 8 Aug to 09:04 on Mon 9 Aug.", "fact": "1965-08-07T22:42:00Z → 1965-08-09T01:04:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 8th, 12:31–13:19 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12398 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Qingyang, 1965: Sunday 8 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": "1965-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-08", "confidence": "determinate" } ], "quote": "In Qingyang, Dāmodara Dvādaśī 1965 falls on Sunday 8 August. Dvādaśī runs from 06:42 on Sun 8 Aug to 09:04 on Mon 9 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/pradosha-vrata?on=1965-08-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29510, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-08-09T09:04:01+08:00", "utc": "1965-08-09T01:04:01Z", "ms": -138754559115.2434 }, "end": { "local": "1965-08-10T11:33:08+08:00", "utc": "1965-08-10T03:33:08Z", "ms": -138659212209.6424 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1965-08-09T09:04:01+08:00", "utc": "1965-08-09T01:04:01Z", "ms": -138754559115.2434 }, "end": { "local": "1965-08-10T11:33:08+08:00", "utc": "1965-08-10T03:33:08Z", "ms": -138659212209.6424 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-08-09", "window": { "start": { "local": "1965-08-09T19:46:03+08:00", "utc": "1965-08-09T11:46:03Z", "ms": -138716037309.8302 }, "end": { "local": "1965-08-09T21:08:26+08:00", "utc": "1965-08-09T13:08:26Z", "ms": -138711093510.4596 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "1965-08-10", "window": { "start": { "local": "1965-08-10T19:44:58+08:00", "utc": "1965-08-10T11:44:58Z", "ms": -138629701787.51013 }, "end": { "local": "1965-08-10T21:07:37+08:00", "utc": "1965-08-10T13:07:37Z", "ms": -138624743115.65958 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:04 on Mon 9 Aug to 11:33 on Tue 10 Aug.", "fact": "1965-08-09T01:04:01Z → 1965-08-10T03:33:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:46–21:08 on the 9th, 19:45–21:08 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 82 of 82 minutes on the 9th and 0 of 83 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29510 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1965: Monday 9 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-09", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1965 falls on Monday 9 August. Trayodaśī runs from 09:04 on Mon 9 Aug to 11:33 on Tue 10 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-12", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 10363, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-08-11T14:01:12+08:00", "utc": "1965-08-11T06:01:12Z", "ms": -138563927807.25607 }, "end": { "local": "1965-08-12T16:22:09+08:00", "utc": "1965-08-12T08:22:09Z", "ms": -138469071346.99518 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1965-08-12T03:12:52+08:00", "utc": "1965-08-11T19:12:52Z", "ms": -138516427700.48007 }, "end": { "local": "1965-08-12T16:22:09+08:00", "utc": "1965-08-12T08:22:09Z", "ms": -138469071346.99518 } }, "kaala": "day", "days": [ { "local_date": "1965-08-11", "window": { "start": { "local": "1965-08-11T06:04:48+08:00", "utc": "1965-08-10T22:04:48Z", "ms": -138592511748.631 }, "end": { "local": "1965-08-12T06:05:35+08:00", "utc": "1965-08-11T22:05:35Z", "ms": -138506064689.71307 } }, "covered_min": 173, "window_min": 1441, "qualifies": true }, { "local_date": "1965-08-12", "window": { "start": { "local": "1965-08-12T06:05:35+08:00", "utc": "1965-08-11T22:05:35Z", "ms": -138506064689.71307 }, "end": { "local": "1965-08-13T06:06:22+08:00", "utc": "1965-08-12T22:06:22Z", "ms": -138419617646.53662 } }, "covered_min": 617, "window_min": 1441, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:01 on Wed 11 Aug to 16:22 on Thu 12 Aug. Its second half begins at 03:13 on Thu 12 Aug.", "fact": "1965-08-11T06:01:12Z → 1965-08-12T08:22:09Z · second half from 1965-08-11T19:12:52Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:05 on the 11th, and from 06:06 on the 12th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The second half of Pūrṇimā must be present during the day. It covers 173 of 1441 minutes on the 11th and 617 of 1441 on the 12th.", "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 10363 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Qingyang, 1965: Thursday 12 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": "1965-08-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-12", "confidence": "boundary" } ], "quote": "In Qingyang, Rakṣā Bandhana (Rakhi) 1965 falls on Thursday 12 August. The second half of Pūrṇimā runs from 03:13 on Thu 12 Aug to 16:22 on Thu 12 Aug and falls on two days: 617 minutes of it on the 12th, 173 on the 11th; 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/qingyang/festivals/1965/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": "/qingyang/festivals/1965/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2572, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-08-11T14:01:12+08:00", "utc": "1965-08-11T06:01:12Z", "ms": -138563927807.25607 }, "end": { "local": "1965-08-12T16:22:09+08:00", "utc": "1965-08-12T08:22:09Z", "ms": -138469071346.99518 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1965-08-11T14:01:12+08:00", "utc": "1965-08-11T06:01:12Z", "ms": -138563927807.25607 }, "end": { "local": "1965-08-12T16:22:09+08:00", "utc": "1965-08-12T08:22:09Z", "ms": -138469071346.99518 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-08-11", "window": { "start": { "local": "1965-08-11T12:30:20+08:00", "utc": "1965-08-11T04:30:20Z", "ms": -138569379581.99072 }, "end": { "local": "1965-08-11T13:18:20+08:00", "utc": "1965-08-11T05:18:20Z", "ms": -138566499581.99072 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-08-12", "window": { "start": { "local": "1965-08-12T12:30:11+08:00", "utc": "1965-08-12T04:30:11Z", "ms": -138482989426.6415 }, "end": { "local": "1965-08-12T13:18:11+08:00", "utc": "1965-08-12T05:18:11Z", "ms": -138480109426.6415 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:01 on Wed 11 Aug to 16:22 on Thu 12 Aug.", "fact": "1965-08-11T06:01:12Z → 1965-08-12T08:22:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 11th, 12:30–13:18 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 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2572 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Qingyang, 1965: Thursday 12 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-12", "confidence": "boundary" } ], "quote": "In Qingyang, Ṛṣi Tarpaṇa 1965 falls on Thursday 12 August. Pūrṇimā runs from 14:01 on Wed 11 Aug to 16:22 on Thu 12 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2383, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1965-08-13T18:31:35+08:00", "utc": "1965-08-13T10:31:35Z", "ms": -138374905260.74338 }, "end": { "local": "1965-08-14T20:26:09+08:00", "utc": "1965-08-14T12:26:09Z", "ms": -138281631396.76263 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-13T18:31:35+08:00", "utc": "1965-08-13T10:31:35Z", "ms": -138374905260.74338 }, "end": { "local": "1965-08-14T20:26:09+08:00", "utc": "1965-08-14T12:26:09Z", "ms": -138281631396.76263 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-08-13", "window": { "start": { "local": "1965-08-13T20:37:37+08:00", "utc": "1965-08-13T12:37:37Z", "ms": -138367343139.75192 }, "end": { "local": "1965-08-13T20:37:37+08:00", "utc": "1965-08-13T12:37:37Z", "ms": -138367343139.75192 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-08-14", "window": { "start": { "local": "1965-08-14T21:05:51+08:00", "utc": "1965-08-14T13:05:51Z", "ms": -138279248766.0937 }, "end": { "local": "1965-08-14T21:05:51+08:00", "utc": "1965-08-14T13:05:51Z", "ms": -138279248766.0937 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 18:32 on Fri 13 Aug to 20:26 on Sat 14 Aug.", "fact": "1965-08-13T10:31:35Z → 1965-08-14T12:26:09Z" }, { "step": "kaala", "text": "Moonrise is at 20:38 on the 13th and 21:06 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2383 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Qingyang, 1965: Friday 13 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-13", "confidence": "determinate" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata 1965 falls on Friday 13 August. Dvitīyā runs from 18:32 on Fri 13 Aug to 20:26 on Sat 14 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25699, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1965-08-14T20:26:09+08:00", "utc": "1965-08-14T12:26:09Z", "ms": -138281631396.76263 }, "end": { "local": "1965-08-15T22:02:42+08:00", "utc": "1965-08-15T14:02:42Z", "ms": -138189437951.8949 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-14T20:26:09+08:00", "utc": "1965-08-14T12:26:09Z", "ms": -138281631396.76263 }, "end": { "local": "1965-08-15T22:02:42+08:00", "utc": "1965-08-15T14:02:42Z", "ms": -138189437951.8949 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-08-14", "window": { "start": { "local": "1965-08-14T12:29:49+08:00", "utc": "1965-08-14T04:29:49Z", "ms": -138310210764.13147 }, "end": { "local": "1965-08-14T13:17:49+08:00", "utc": "1965-08-14T05:17:49Z", "ms": -138307330764.13147 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-08-15", "window": { "start": { "local": "1965-08-15T12:29:38+08:00", "utc": "1965-08-15T04:29:38Z", "ms": -138223822233.99902 }, "end": { "local": "1965-08-15T13:17:38+08:00", "utc": "1965-08-15T05:17:38Z", "ms": -138220942233.99902 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 20:26 on Sat 14 Aug to 22:03 on Sun 15 Aug.", "fact": "1965-08-14T12:26:09Z → 1965-08-15T14:02:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 14th, 12:30–13:18 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25699 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Qingyang, 1965: Sunday 15 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": "1965-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-15", "confidence": "determinate" } ], "quote": "In Qingyang, Kajjalī Tṛtīyā (Kajari Teej) 1965 falls on Sunday 15 August. Tṛtīyā runs from 20:26 on Sat 14 Aug to 22:03 on Sun 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8603, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-08-15T22:02:42+08:00", "utc": "1965-08-15T14:02:42Z", "ms": -138189437951.8949 }, "end": { "local": "1965-08-16T23:17:45+08:00", "utc": "1965-08-16T15:17:45Z", "ms": -138098535259.3544 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-15T22:02:42+08:00", "utc": "1965-08-15T14:02:42Z", "ms": -138189437951.8949 }, "end": { "local": "1965-08-16T23:17:45+08:00", "utc": "1965-08-16T15:17:45Z", "ms": -138098535259.3544 } }, "kaala": "sayahna", "days": [ { "local_date": "1965-08-15", "window": { "start": { "local": "1965-08-15T16:57:03+08:00", "utc": "1965-08-15T08:57:03Z", "ms": -138207777392.73105 }, "end": { "local": "1965-08-15T19:39:19+08:00", "utc": "1965-08-15T11:39:19Z", "ms": -138198040831.88574 } }, "covered_min": 0, "window_min": 162, "qualifies": false }, { "local_date": "1965-08-16", "window": { "start": { "local": "1965-08-16T16:56:15+08:00", "utc": "1965-08-16T08:56:15Z", "ms": -138121424746.5817 }, "end": { "local": "1965-08-16T19:38:08+08:00", "utc": "1965-08-16T11:38:08Z", "ms": -138111711763.11832 } }, "covered_min": 162, "window_min": 162, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:03 on Sun 15 Aug to 23:18 on Mon 16 Aug.", "fact": "1965-08-15T14:02:42Z → 1965-08-16T15:17:45Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:57–19:39 on the 15th, 16:56–19:38 on the 16th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 162 minutes on the 15th and 162 of 162 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8603 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Qingyang, 1965: Monday 16 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": "1965-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-16", "confidence": "determinate" } ], "quote": "In Qingyang, Bahulā Caturthī 1965 falls on Monday 16 August. Caturthī runs from 22:03 on Sun 15 Aug to 23:18 on Mon 16 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/sankashta-chaturthi?on=1965-08-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1821, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-08-15T22:02:42+08:00", "utc": "1965-08-15T14:02:42Z", "ms": -138189437951.8949 }, "end": { "local": "1965-08-16T23:17:45+08:00", "utc": "1965-08-16T15:17:45Z", "ms": -138098535259.3544 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-15T22:02:42+08:00", "utc": "1965-08-15T14:02:42Z", "ms": -138189437951.8949 }, "end": { "local": "1965-08-16T23:17:45+08:00", "utc": "1965-08-16T15:17:45Z", "ms": -138098535259.3544 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-08-15", "window": { "start": { "local": "1965-08-15T21:32:21+08:00", "utc": "1965-08-15T13:32:21Z", "ms": -138191258506.6146 }, "end": { "local": "1965-08-15T21:32:21+08:00", "utc": "1965-08-15T13:32:21Z", "ms": -138191258506.6146 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-08-16", "window": { "start": { "local": "1965-08-16T21:58:16+08:00", "utc": "1965-08-16T13:58:16Z", "ms": -138103303678.7432 }, "end": { "local": "1965-08-16T21:58:16+08:00", "utc": "1965-08-16T13:58:16Z", "ms": -138103303678.7432 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:03 on Sun 15 Aug to 23:18 on Mon 16 Aug.", "fact": "1965-08-15T14:02:42Z → 1965-08-16T15:17:45Z" }, { "step": "kaala", "text": "Moonrise is at 21:32 on the 15th and 21:58 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1821 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1965: Monday 16 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": "1965-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-16", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1965 falls on Monday 16 August. Caturthī runs from 22:03 on Sun 15 Aug to 23:18 on Mon 16 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/sankashta-chaturthi?on=1965-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38997, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1965-08-18T00:07:11+08:00", "utc": "1965-08-17T16:07:11Z", "ms": -138009169286.20523 }, "end": { "local": "1965-08-19T00:26:32+08:00", "utc": "1965-08-18T16:26:32Z", "ms": -137921608135.00134 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-18T00:07:11+08:00", "utc": "1965-08-17T16:07:11Z", "ms": -138009169286.20523 }, "end": { "local": "1965-08-19T00:26:32+08:00", "utc": "1965-08-18T16:26:32Z", "ms": -137921608135.00134 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-08-17", "window": { "start": { "local": "1965-08-17T12:29:13+08:00", "utc": "1965-08-17T04:29:13Z", "ms": -138051046714.83365 }, "end": { "local": "1965-08-17T13:17:13+08:00", "utc": "1965-08-17T05:17:13Z", "ms": -138048166714.83365 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-08-18", "window": { "start": { "local": "1965-08-18T12:29:00+08:00", "utc": "1965-08-18T04:29:00Z", "ms": -137964659700.27527 }, "end": { "local": "1965-08-18T13:17:00+08:00", "utc": "1965-08-18T05:17:00Z", "ms": -137961779700.27527 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 00:07 on Wed 18 Aug to 00:27 on Thu 19 Aug.", "fact": "1965-08-17T16:07:11Z → 1965-08-18T16:26:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 17th, 12:29–13:17 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 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 38997 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Qingyang, 1965: Wednesday 18 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": "1965-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-18", "confidence": "determinate" } ], "quote": "In Qingyang, Hala Ṣaṣṭhī 1965 falls on Wednesday 18 August. Ṣaṣṭhī runs from 00:07 on Wed 18 Aug to 00:27 on Thu 19 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1055, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1965-08-20T00:11:35+08:00", "utc": "1965-08-19T16:11:35Z", "ms": -137836104957.29318 }, "end": { "local": "1965-08-20T23:19:12+08:00", "utc": "1965-08-20T15:19:12Z", "ms": -137752848491.39743 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-20T00:11:35+08:00", "utc": "1965-08-19T16:11:35Z", "ms": -137836104957.29318 }, "end": { "local": "1965-08-20T23:19:12+08:00", "utc": "1965-08-20T15:19:12Z", "ms": -137752848491.39743 } }, "kaala": "nishita", "days": [ { "local_date": "1965-08-19", "window": { "start": { "local": "1965-08-20T00:29:10+08:00", "utc": "1965-08-19T16:29:10Z", "ms": -137835049776.04895 }, "end": { "local": "1965-08-20T01:17:10+08:00", "utc": "1965-08-19T17:17:10Z", "ms": -137832169776.04895 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-08-20", "window": { "start": { "local": "1965-08-21T00:28:56+08:00", "utc": "1965-08-20T16:28:56Z", "ms": -137748663733.45633 }, "end": { "local": "1965-08-21T01:16:56+08:00", "utc": "1965-08-20T17:16:56Z", "ms": -137745783733.45633 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:12 on Fri 20 Aug to 23:19 on Fri 20 Aug.", "fact": "1965-08-19T16:11:35Z → 1965-08-20T15:19:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:29–01:17 on the 19th, 00:29–01:17 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1055 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Qingyang, 1965: Thursday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-19", "confidence": "determinate" } ], "quote": "In Qingyang, Janmāṣṭamī 1965 falls on Thursday 19 August. Aṣṭamī runs from 00:12 on Fri 20 Aug to 23:19 on Fri 20 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39288, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1965-08-19T00:26:32+08:00", "utc": "1965-08-18T16:26:32Z", "ms": -137921608135.00134 }, "end": { "local": "1965-08-20T00:11:35+08:00", "utc": "1965-08-19T16:11:35Z", "ms": -137836104957.29318 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-19T00:26:32+08:00", "utc": "1965-08-18T16:26:32Z", "ms": -137921608135.00134 }, "end": { "local": "1965-08-20T00:11:35+08:00", "utc": "1965-08-19T16:11:35Z", "ms": -137836104957.29318 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-08-18", "window": { "start": { "local": "1965-08-18T12:29:00+08:00", "utc": "1965-08-18T04:29:00Z", "ms": -137964659700.27527 }, "end": { "local": "1965-08-18T13:17:00+08:00", "utc": "1965-08-18T05:17:00Z", "ms": -137961779700.27527 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-08-19", "window": { "start": { "local": "1965-08-19T12:28:47+08:00", "utc": "1965-08-19T04:28:47Z", "ms": -137878273165.08273 }, "end": { "local": "1965-08-19T13:16:47+08:00", "utc": "1965-08-19T05:16:47Z", "ms": -137875393165.08273 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:27 on Thu 19 Aug to 00:12 on Fri 20 Aug.", "fact": "1965-08-18T16:26:32Z → 1965-08-19T16:11:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 18th, 12:29–13:17 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 39288 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Qingyang, 1965: Thursday 19 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": "1965-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-19", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalā Saptamī 1965 falls on Thursday 19 August. Saptamī runs from 00:27 on Thu 19 Aug to 00:12 on Fri 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-08-23", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38095, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-08-22T19:39:16+08:00", "utc": "1965-08-22T11:39:16Z", "ms": -137593244295.6948 }, "end": { "local": "1965-08-23T16:56:24+08:00", "utc": "1965-08-23T08:56:24Z", "ms": -137516616276.2246 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-22T19:39:16+08:00", "utc": "1965-08-22T11:39:16Z", "ms": -137593244295.6948 }, "end": { "local": "1965-08-23T16:56:24+08:00", "utc": "1965-08-23T08:56:24Z", "ms": -137516616276.2246 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-08-23", "window": { "start": { "local": "1965-08-23T06:14:11+08:00", "utc": "1965-08-22T22:14:11Z", "ms": -137555149280.20648 }, "end": { "local": "1965-08-23T06:14:11+08:00", "utc": "1965-08-22T22:14:11Z", "ms": -137555149280.20648 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-08-24", "window": { "start": { "local": "1965-08-24T06:14:57+08:00", "utc": "1965-08-23T22:14:57Z", "ms": -137468702735.98868 }, "end": { "local": "1965-08-24T06:14:57+08:00", "utc": "1965-08-23T22:14:57Z", "ms": -137468702735.98868 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:39 on Sun 22 Aug to 16:56 on Mon 23 Aug.", "fact": "1965-08-22T11:39:16Z → 1965-08-23T08:56:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:14 on the 23rd and 06:15 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 38095 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Qingyang, 1965: Monday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-23", "confidence": "determinate" } ], "quote": "In Qingyang, Ajā Ekādaśī 1965 falls on Monday 23 August. Ekādaśī runs from 19:39 on Sun 22 Aug to 16:56 on Mon 23 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-08-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-08-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20563, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-08-24T13:45:25+08:00", "utc": "1965-08-24T05:45:25Z", "ms": -137441674750.0778 }, "end": { "local": "1965-08-25T10:14:17+08:00", "utc": "1965-08-25T02:14:17Z", "ms": -137367942945.8998 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-24T13:45:25+08:00", "utc": "1965-08-24T05:45:25Z", "ms": -137441674750.0778 }, "end": { "local": "1965-08-25T10:14:17+08:00", "utc": "1965-08-25T02:14:17Z", "ms": -137367942945.8998 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-08-24", "window": { "start": { "local": "1965-08-24T19:28:08+08:00", "utc": "1965-08-24T11:28:08Z", "ms": -137421111739.22324 }, "end": { "local": "1965-08-24T20:54:29+08:00", "utc": "1965-08-24T12:54:29Z", "ms": -137415931009.03711 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "1965-08-25", "window": { "start": { "local": "1965-08-25T19:26:50+08:00", "utc": "1965-08-25T11:26:50Z", "ms": -137334790379.70264 }, "end": { "local": "1965-08-25T20:53:27+08:00", "utc": "1965-08-25T12:53:27Z", "ms": -137329592978.00075 } }, "covered_min": 0, "window_min": 87, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:45 on Tue 24 Aug to 10:14 on Wed 25 Aug.", "fact": "1965-08-24T05:45:25Z → 1965-08-25T02:14:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:28–20:54 on the 24th, 19:27–20:53 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 86 of 86 minutes on the 24th and 0 of 87 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 20563 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1965: Tuesday 24 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": "1965-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-24", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1965 falls on Tuesday 24 August. Trayodaśī runs from 13:45 on Tue 24 Aug to 10:14 on Wed 25 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-08-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33153, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-08-25T10:14:17+08:00", "utc": "1965-08-25T02:14:17Z", "ms": -137367942945.8998 }, "end": { "local": "1965-08-26T06:32:27+08:00", "utc": "1965-08-25T22:32:27Z", "ms": -137294852932.20389 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-25T10:14:17+08:00", "utc": "1965-08-25T02:14:17Z", "ms": -137367942945.8998 }, "end": { "local": "1965-08-26T06:32:27+08:00", "utc": "1965-08-25T22:32:27Z", "ms": -137294852932.20389 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-08-25", "window": { "start": { "local": "1965-08-25T19:26:50+08:00", "utc": "1965-08-25T11:26:50Z", "ms": -137334790379.70264 }, "end": { "local": "1965-08-25T20:53:27+08:00", "utc": "1965-08-25T12:53:27Z", "ms": -137329592978.00075 } }, "covered_min": 87, "window_min": 87, "qualifies": true }, { "local_date": "1965-08-26", "window": { "start": { "local": "1965-08-26T19:25:30+08:00", "utc": "1965-08-26T11:25:30Z", "ms": -137248469742.40735 }, "end": { "local": "1965-08-26T20:52:24+08:00", "utc": "1965-08-26T12:52:24Z", "ms": -137243255584.0043 } }, "covered_min": 0, "window_min": 87, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:14 on Wed 25 Aug to 06:32 on Thu 26 Aug.", "fact": "1965-08-25T02:14:17Z → 1965-08-25T22:32:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:27–20:53 on the 25th, 19:26–20:52 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 87 of 87 minutes on the 25th and 0 of 87 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33153 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Qingyang, 1965: Wednesday 25 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": "1965-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-25", "confidence": "determinate" } ], "quote": "In Qingyang, Aghora Caturdaśī 1965 falls on Wednesday 25 August. Caturdaśī runs from 10:14 on Wed 25 Aug to 06:32 on Thu 26 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/shivaratri?on=1965-08-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19007, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-08-25T10:14:17+08:00", "utc": "1965-08-25T02:14:17Z", "ms": -137367942945.8998 }, "end": { "local": "1965-08-26T06:32:27+08:00", "utc": "1965-08-25T22:32:27Z", "ms": -137294852932.20389 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-25T10:14:17+08:00", "utc": "1965-08-25T02:14:17Z", "ms": -137367942945.8998 }, "end": { "local": "1965-08-26T06:32:27+08:00", "utc": "1965-08-25T22:32:27Z", "ms": -137294852932.20389 } }, "kaala": "nishita", "days": [ { "local_date": "1965-08-24", "window": { "start": { "local": "1965-08-25T00:27:56+08:00", "utc": "1965-08-24T16:27:56Z", "ms": -137403124001.02527 }, "end": { "local": "1965-08-25T01:15:56+08:00", "utc": "1965-08-24T17:15:56Z", "ms": -137400244001.02527 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-08-25", "window": { "start": { "local": "1965-08-26T00:27:40+08:00", "utc": "1965-08-25T16:27:40Z", "ms": -137316740123.32059 }, "end": { "local": "1965-08-26T01:15:40+08:00", "utc": "1965-08-25T17:15:40Z", "ms": -137313860123.32059 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:14 on Wed 25 Aug to 06:32 on Thu 26 Aug.", "fact": "1965-08-25T02:14:17Z → 1965-08-25T22:32:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:28–01:16 on the 24th, 00:28–01:16 on the 25th.", "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 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19007 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1965: Wednesday 25 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-25", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1965 falls on Wednesday 25 August. Caturdaśī runs from 10:14 on Wed 25 Aug to 06:32 on Thu 26 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1965/shivaratri?on=1965-08-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34578, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1965-08-27T02:50:25+08:00", "utc": "1965-08-26T18:50:25Z", "ms": -137221774662.21378 }, "end": { "local": "1965-08-27T23:19:15+08:00", "utc": "1965-08-27T15:19:15Z", "ms": -137148045062.71498 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-27T02:50:25+08:00", "utc": "1965-08-26T18:50:25Z", "ms": -137221774662.21378 }, "end": { "local": "1965-08-27T23:19:15+08:00", "utc": "1965-08-27T15:19:15Z", "ms": -137148045062.71498 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-08-27", "window": { "start": { "local": "1965-08-27T12:26:43+08:00", "utc": "1965-08-27T04:26:43Z", "ms": -137187196678.7489 }, "end": { "local": "1965-08-27T13:14:43+08:00", "utc": "1965-08-27T05:14:43Z", "ms": -137184316678.7489 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-08-28", "window": { "start": { "local": "1965-08-28T12:26:26+08:00", "utc": "1965-08-28T04:26:26Z", "ms": -137100813933.98013 }, "end": { "local": "1965-08-28T13:14:26+08:00", "utc": "1965-08-28T05:14:26Z", "ms": -137097933933.98013 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:50 on Fri 27 Aug to 23:19 on Fri 27 Aug.", "fact": "1965-08-26T18:50:25Z → 1965-08-27T15:19:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 27th, 12:26–13:14 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 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34578 s" }, { "step": "ruling", "text": "Rudra Vrata, Qingyang, 1965: Friday 27 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": "1965-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-27", "confidence": "determinate" } ], "quote": "In Qingyang, Rudra Vrata 1965 falls on Friday 27 August. Pratipadā runs from 02:50 on Fri 27 Aug to 23:19 on Fri 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15544, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1965-08-28T20:10:01+08:00", "utc": "1965-08-28T12:10:01Z", "ms": -137072999225.85234 }, "end": { "local": "1965-08-29T17:33:12+08:00", "utc": "1965-08-29T09:33:12Z", "ms": -136996007525.37175 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-28T20:10:01+08:00", "utc": "1965-08-28T12:10:01Z", "ms": -137072999225.85234 }, "end": { "local": "1965-08-29T17:33:12+08:00", "utc": "1965-08-29T09:33:12Z", "ms": -136996007525.37175 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-08-28", "window": { "start": { "local": "1965-08-28T12:26:26+08:00", "utc": "1965-08-28T04:26:26Z", "ms": -137100813933.98013 }, "end": { "local": "1965-08-28T13:14:26+08:00", "utc": "1965-08-28T05:14:26Z", "ms": -137097933933.98013 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-08-29", "window": { "start": { "local": "1965-08-29T12:26:08+08:00", "utc": "1965-08-29T04:26:08Z", "ms": -137014431559.87512 }, "end": { "local": "1965-08-29T13:14:08+08:00", "utc": "1965-08-29T05:14:08Z", "ms": -137011551559.87512 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 20:10 on Sat 28 Aug to 17:33 on Sun 29 Aug.", "fact": "1965-08-28T12:10:01Z → 1965-08-29T09:33:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 28th, 12:26–13:14 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15544 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Qingyang, 1965: Sunday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-29", "confidence": "determinate" } ], "quote": "In Qingyang, Haritālikā Vrata (Hartalika Teej) 1965 falls on Sunday 29 August. Tṛtīyā runs from 20:10 on Sat 28 Aug to 17:33 on Sun 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8647, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-08-29T17:33:12+08:00", "utc": "1965-08-29T09:33:12Z", "ms": -136996007525.37175 }, "end": { "local": "1965-08-30T15:37:58+08:00", "utc": "1965-08-30T07:37:58Z", "ms": -136916522372.71391 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-29T17:33:12+08:00", "utc": "1965-08-29T09:33:12Z", "ms": -136996007525.37175 }, "end": { "local": "1965-08-30T15:37:58+08:00", "utc": "1965-08-30T07:37:58Z", "ms": -136916522372.71391 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-08-29", "window": { "start": { "local": "1965-08-29T12:26:08+08:00", "utc": "1965-08-29T04:26:08Z", "ms": -137014431559.87512 }, "end": { "local": "1965-08-29T13:14:08+08:00", "utc": "1965-08-29T05:14:08Z", "ms": -137011551559.87512 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-08-30", "window": { "start": { "local": "1965-08-30T12:25:50+08:00", "utc": "1965-08-30T04:25:50Z", "ms": -136928049544.61754 }, "end": { "local": "1965-08-30T13:13:50+08:00", "utc": "1965-08-30T05:13:50Z", "ms": -136925169544.61754 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:33 on Sun 29 Aug to 15:38 on Mon 30 Aug.", "fact": "1965-08-29T09:33:12Z → 1965-08-30T07:37:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 29th, 12:26–13:14 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8647 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Qingyang, 1965: Monday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-30", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Caturthī 1965 falls on Monday 30 August. Caturthī runs from 17:33 on Sun 29 Aug to 15:38 on Mon 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4652, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1965-08-30T15:37:58+08:00", "utc": "1965-08-30T07:37:58Z", "ms": -136916522372.71391 }, "end": { "local": "1965-08-31T14:31:04+08:00", "utc": "1965-08-31T06:31:04Z", "ms": -136834135550.34442 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-30T15:37:58+08:00", "utc": "1965-08-30T07:37:58Z", "ms": -136916522372.71391 }, "end": { "local": "1965-08-31T14:31:04+08:00", "utc": "1965-08-31T06:31:04Z", "ms": -136834135550.34442 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-08-30", "window": { "start": { "local": "1965-08-30T12:25:50+08:00", "utc": "1965-08-30T04:25:50Z", "ms": -136928049544.61754 }, "end": { "local": "1965-08-30T13:13:50+08:00", "utc": "1965-08-30T05:13:50Z", "ms": -136925169544.61754 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-08-31", "window": { "start": { "local": "1965-08-31T12:25:32+08:00", "utc": "1965-08-31T04:25:32Z", "ms": -136841667874.95462 }, "end": { "local": "1965-08-31T13:13:32+08:00", "utc": "1965-08-31T05:13:32Z", "ms": -136838787874.95462 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:38 on Mon 30 Aug to 14:31 on Tue 31 Aug.", "fact": "1965-08-30T07:37:58Z → 1965-08-31T06:31:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 30th, 12:26–13:14 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 4652 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Qingyang, 1965: Tuesday 31 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-08-31", "confidence": "determinate" } ], "quote": "In Qingyang, Ṛṣi Pañcamī 1965 falls on Tuesday 31 August. Pañcamī runs from 15:38 on Mon 30 Aug to 14:31 on Tue 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3766, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1965-08-31T14:31:04+08:00", "utc": "1965-08-31T06:31:04Z", "ms": -136834135550.34442 }, "end": { "local": "1965-09-01T14:15:59+08:00", "utc": "1965-09-01T06:15:59Z", "ms": -136748640878.43022 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-08-31T14:31:04+08:00", "utc": "1965-08-31T06:31:04Z", "ms": -136834135550.34442 }, "end": { "local": "1965-09-01T14:15:59+08:00", "utc": "1965-09-01T06:15:59Z", "ms": -136748640878.43022 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-08-31", "window": { "start": { "local": "1965-08-31T12:25:32+08:00", "utc": "1965-08-31T04:25:32Z", "ms": -136841667874.95462 }, "end": { "local": "1965-08-31T13:13:32+08:00", "utc": "1965-08-31T05:13:32Z", "ms": -136838787874.95462 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-09-01", "window": { "start": { "local": "1965-09-01T12:25:13+08:00", "utc": "1965-09-01T04:25:13Z", "ms": -136755286536.26709 }, "end": { "local": "1965-09-01T13:13:13+08:00", "utc": "1965-09-01T05:13:13Z", "ms": -136752406536.26709 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:31 on Tue 31 Aug to 14:16 on Wed 1 Sep.", "fact": "1965-08-31T06:31:04Z → 1965-09-01T06:15:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 31st, 12:25–13:13 on the 1st.", "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 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3766 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Qingyang, 1965: Wednesday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-01", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Bhādrapada) 1965 falls on Wednesday 1 September. Ṣaṣṭhī runs from 14:31 on Tue 31 Aug to 14:16 on Wed 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3766, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1965-09-01T14:15:59+08:00", "utc": "1965-09-01T06:15:59Z", "ms": -136748640878.43022 }, "end": { "local": "1965-09-02T14:51:52+08:00", "utc": "1965-09-02T06:51:52Z", "ms": -136660088062.23401 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-09-01T14:15:59+08:00", "utc": "1965-09-01T06:15:59Z", "ms": -136748640878.43022 }, "end": { "local": "1965-09-02T14:51:52+08:00", "utc": "1965-09-02T06:51:52Z", "ms": -136660088062.23401 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-09-01", "window": { "start": { "local": "1965-09-01T12:25:13+08:00", "utc": "1965-09-01T04:25:13Z", "ms": -136755286536.26709 }, "end": { "local": "1965-09-01T13:13:13+08:00", "utc": "1965-09-01T05:13:13Z", "ms": -136752406536.26709 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-09-02", "window": { "start": { "local": "1965-09-02T12:24:54+08:00", "utc": "1965-09-02T04:24:54Z", "ms": -136668905512.7236 }, "end": { "local": "1965-09-02T13:12:54+08:00", "utc": "1965-09-02T05:12:54Z", "ms": -136666025512.7236 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:16 on Wed 1 Sep to 14:52 on Thu 2 Sep.", "fact": "1965-09-01T06:15:59Z → 1965-09-02T06:51:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 1st, 12:25–13:13 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3766 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Qingyang, 1965: Thursday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-02", "confidence": "determinate" } ], "quote": "In Qingyang, Muktābharaṇa Vrata 1965 falls on Thursday 2 September. Saptamī runs from 14:16 on Wed 1 Sep to 14:52 on Thu 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5937, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1965-09-02T14:51:52+08:00", "utc": "1965-09-02T06:51:52Z", "ms": -136660088062.23401 }, "end": { "local": "1965-09-03T16:13:14+08:00", "utc": "1965-09-03T08:13:14Z", "ms": -136568805937.61331 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-09-02T14:51:52+08:00", "utc": "1965-09-02T06:51:52Z", "ms": -136660088062.23401 }, "end": { "local": "1965-09-03T16:13:14+08:00", "utc": "1965-09-03T08:13:14Z", "ms": -136568805937.61331 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-09-02", "window": { "start": { "local": "1965-09-02T12:24:54+08:00", "utc": "1965-09-02T04:24:54Z", "ms": -136668905512.7236 }, "end": { "local": "1965-09-02T13:12:54+08:00", "utc": "1965-09-02T05:12:54Z", "ms": -136666025512.7236 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-09-03", "window": { "start": { "local": "1965-09-03T12:24:35+08:00", "utc": "1965-09-03T04:24:35Z", "ms": -136582524787.4502 }, "end": { "local": "1965-09-03T13:12:35+08:00", "utc": "1965-09-03T05:12:35Z", "ms": -136579644787.4502 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 14:52 on Thu 2 Sep to 16:13 on Fri 3 Sep.", "fact": "1965-09-02T06:51:52Z → 1965-09-03T08:13:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 2nd, 12:25–13:13 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5937 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Qingyang, 1965: Friday 3 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-03", "confidence": "determinate" } ], "quote": "In Qingyang, Rādhāṣṭamī 1965 falls on Friday 3 September. Aṣṭamī runs from 14:52 on Thu 2 Sep to 16:13 on Fri 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-09-06", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26631, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-09-05T20:31:01+08:00", "utc": "1965-09-05T12:31:01Z", "ms": -136380539307.1275 }, "end": { "local": "1965-09-06T23:01:49+08:00", "utc": "1965-09-06T15:01:49Z", "ms": -136285090672.77971 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-09-05T20:31:01+08:00", "utc": "1965-09-05T12:31:01Z", "ms": -136380539307.1275 }, "end": { "local": "1965-09-06T23:01:49+08:00", "utc": "1965-09-06T15:01:49Z", "ms": -136285090672.77971 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-09-06", "window": { "start": { "local": "1965-09-06T06:24:55+08:00", "utc": "1965-09-05T22:24:55Z", "ms": -136344905423.29196 }, "end": { "local": "1965-09-06T06:24:55+08:00", "utc": "1965-09-05T22:24:55Z", "ms": -136344905423.29196 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-09-07", "window": { "start": { "local": "1965-09-07T06:25:40+08:00", "utc": "1965-09-06T22:25:40Z", "ms": -136258460039.22197 }, "end": { "local": "1965-09-07T06:25:40+08:00", "utc": "1965-09-06T22:25:40Z", "ms": -136258460039.22197 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:31 on Sun 5 Sep to 23:02 on Mon 6 Sep.", "fact": "1965-09-05T12:31:01Z → 1965-09-06T15:01:49Z" }, { "step": "kaala", "text": "Sunrise is at 06:25 on the 6th and 06:26 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26631 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Qingyang, 1965: Monday 6 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-06", "confidence": "determinate" } ], "quote": "In Qingyang, Parivartanī Ekādaśī 1965 falls on Monday 6 September. Ekādaśī runs from 20:31 on Sun 5 Sep to 23:02 on Mon 6 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-09-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35414, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1965-09-06T23:01:49+08:00", "utc": "1965-09-06T15:01:49Z", "ms": -136285090672.77971 }, "end": { "local": "1965-09-08T01:30:59+08:00", "utc": "1965-09-07T17:30:59Z", "ms": -136189741155.9395 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-09-06T23:01:49+08:00", "utc": "1965-09-06T15:01:49Z", "ms": -136285090672.77971 }, "end": { "local": "1965-09-08T01:30:59+08:00", "utc": "1965-09-07T17:30:59Z", "ms": -136189741155.9395 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-09-06", "window": { "start": { "local": "1965-09-06T12:23:36+08:00", "utc": "1965-09-06T04:23:36Z", "ms": -136323384219.90826 }, "end": { "local": "1965-09-06T13:11:36+08:00", "utc": "1965-09-06T05:11:36Z", "ms": -136320504219.90826 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-09-07", "window": { "start": { "local": "1965-09-07T12:23:15+08:00", "utc": "1965-09-07T04:23:15Z", "ms": -136237004502.9224 }, "end": { "local": "1965-09-07T13:11:15+08:00", "utc": "1965-09-07T05:11:15Z", "ms": -136234124502.9224 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:02 on Mon 6 Sep to 01:31 on Wed 8 Sep.", "fact": "1965-09-06T15:01:49Z → 1965-09-07T17:30:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 6th, 12:23–13:11 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35414 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Qingyang, 1965: Tuesday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-07", "confidence": "determinate" } ], "quote": "In Qingyang, Vāmana Jayantī 1965 falls on Tuesday 7 September. Dvādaśī runs from 23:02 on Mon 6 Sep to 01:31 on Wed 8 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/pradosha-vrata?on=1965-09-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17507, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-09-08T01:30:59+08:00", "utc": "1965-09-07T17:30:59Z", "ms": -136189741155.9395 }, "end": { "local": "1965-09-09T03:49:17+08:00", "utc": "1965-09-08T19:49:17Z", "ms": -136095042994.15283 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-09-08T01:30:59+08:00", "utc": "1965-09-07T17:30:59Z", "ms": -136189741155.9395 }, "end": { "local": "1965-09-09T03:49:17+08:00", "utc": "1965-09-08T19:49:17Z", "ms": -136095042994.15283 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-09-07", "window": { "start": { "local": "1965-09-07T19:08:51+08:00", "utc": "1965-09-07T11:08:51Z", "ms": -136212668966.62282 }, "end": { "local": "1965-09-07T20:39:12+08:00", "utc": "1965-09-07T12:39:12Z", "ms": -136207248398.07472 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1965-09-08", "window": { "start": { "local": "1965-09-08T19:07:25+08:00", "utc": "1965-09-08T11:07:25Z", "ms": -136126355274.6919 }, "end": { "local": "1965-09-08T20:38:03+08:00", "utc": "1965-09-08T12:38:03Z", "ms": -136120917158.31436 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:31 on Wed 8 Sep to 03:49 on Thu 9 Sep.", "fact": "1965-09-07T17:30:59Z → 1965-09-08T19:49:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:09–20:39 on the 7th, 19:07–20:38 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 7th and 91 of 91 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17507 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1965: Wednesday 8 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": "1965-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-08", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1965 falls on Wednesday 8 September. Trayodaśī runs from 01:31 on Wed 8 Sep to 03:49 on Thu 9 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-09-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2236, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-09-09T03:49:17+08:00", "utc": "1965-09-08T19:49:17Z", "ms": -136095042994.15283 }, "end": { "local": "1965-09-10T05:50:40+08:00", "utc": "1965-09-09T21:50:40Z", "ms": -136001359694.5853 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1965-09-09T03:49:17+08:00", "utc": "1965-09-08T19:49:17Z", "ms": -136095042994.15283 }, "end": { "local": "1965-09-10T05:50:40+08:00", "utc": "1965-09-09T21:50:40Z", "ms": -136001359694.5853 } }, "kaala": "udaya-3", "days": [ { "local_date": "1965-09-09", "window": { "start": { "local": "1965-09-09T06:27:11+08:00", "utc": "1965-09-08T22:27:11Z", "ms": -136085569401.86038 }, "end": { "local": "1965-09-09T08:58:56+08:00", "utc": "1965-09-09T00:58:56Z", "ms": -136076463903.54985 } }, "covered_min": 152, "window_min": 152, "qualifies": true }, { "local_date": "1965-09-10", "window": { "start": { "local": "1965-09-10T06:27:56+08:00", "utc": "1965-09-09T22:27:56Z", "ms": -135999124125.00998 }, "end": { "local": "1965-09-10T08:59:15+08:00", "utc": "1965-09-10T00:59:15Z", "ms": -135990045068.61287 } }, "covered_min": 0, "window_min": 151, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:49 on Thu 9 Sep to 05:51 on Fri 10 Sep.", "fact": "1965-09-08T19:49:17Z → 1965-09-09T21:50:40Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:27–08:59 on the 9th, 06:28–08:59 on the 10th.", "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 152 of 152 minutes on the 9th and 0 of 151 on the 10th.", "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 2236 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Qingyang, 1965: Thursday 9 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananta-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)." } ], "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.", "kaala": "udaya-3", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-09", "confidence": "determinate" } ], "quote": "In Qingyang, Ananta Caturdaśī 1965 falls on Thursday 9 September. Caturdaśī runs from 03:49 on Thu 9 Sep to 05:51 on Fri 10 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/sankashta-chaturthi?on=1965-09-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37856, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-09-14T10:25:10+08:00", "utc": "1965-09-14T02:25:10Z", "ms": -135639289768.21834 }, "end": { "local": "1965-09-15T10:37:54+08:00", "utc": "1965-09-15T02:37:54Z", "ms": -135552125654.4631 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-09-14T10:25:10+08:00", "utc": "1965-09-14T02:25:10Z", "ms": -135639289768.21834 }, "end": { "local": "1965-09-15T10:37:54+08:00", "utc": "1965-09-15T02:37:54Z", "ms": -135552125654.4631 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-09-14", "window": { "start": { "local": "1965-09-14T20:56:06+08:00", "utc": "1965-09-14T12:56:06Z", "ms": -135601434211.54114 }, "end": { "local": "1965-09-14T20:56:06+08:00", "utc": "1965-09-14T12:56:06Z", "ms": -135601434211.54114 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-09-15", "window": { "start": { "local": "1965-09-15T21:26:36+08:00", "utc": "1965-09-15T13:26:36Z", "ms": -135513203567.9493 }, "end": { "local": "1965-09-15T21:26:36+08:00", "utc": "1965-09-15T13:26:36Z", "ms": -135513203567.9493 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:25 on Tue 14 Sep to 10:38 on Wed 15 Sep.", "fact": "1965-09-14T02:25:10Z → 1965-09-15T02:37:54Z" }, { "step": "kaala", "text": "Moonrise is at 20:56 on the 14th and 21:27 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37856 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1965: Tuesday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-14", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1965 falls on Tuesday 14 September. Caturthī runs from 10:25 on Tue 14 Sep to 10:38 on Wed 15 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/sankashta-chaturthi?on=1965-09-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41724, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1965-09-16T10:26:12+08:00", "utc": "1965-09-16T02:26:12Z", "ms": -135466427838.2971 }, "end": { "local": "1965-09-17T09:48:10+08:00", "utc": "1965-09-17T01:48:10Z", "ms": -135382310034.72626 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-09-16T10:26:12+08:00", "utc": "1965-09-16T02:26:12Z", "ms": -135466427838.2971 }, "end": { "local": "1965-09-17T09:48:10+08:00", "utc": "1965-09-17T01:48:10Z", "ms": -135382310034.72626 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-09-16", "window": { "start": { "local": "1965-09-16T22:01:36+08:00", "utc": "1965-09-16T14:01:36Z", "ms": -135424703738.40164 }, "end": { "local": "1965-09-16T22:01:36+08:00", "utc": "1965-09-16T14:01:36Z", "ms": -135424703738.40164 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-09-17", "window": { "start": { "local": "1965-09-17T22:42:57+08:00", "utc": "1965-09-17T14:42:57Z", "ms": -135335822657.76408 }, "end": { "local": "1965-09-17T22:42:57+08:00", "utc": "1965-09-17T14:42:57Z", "ms": -135335822657.76408 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:26 on Thu 16 Sep to 09:48 on Fri 17 Sep.", "fact": "1965-09-16T02:26:12Z → 1965-09-17T01:48:10Z" }, { "step": "kaala", "text": "Moonrise is at 22:02 on the 16th and 22:43 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī 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: purvaviddha → only-day · margin 41724 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Qingyang, 1965: Thursday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-16", "confidence": "determinate" } ], "quote": "In Qingyang, Candra Ṣaṣṭhī 1965 falls on Thursday 16 September. Ṣaṣṭhī runs from 10:26 on Thu 16 Sep to 09:48 on Fri 17 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36646, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1965-09-18T08:42:03+08:00", "utc": "1965-09-18T00:42:03Z", "ms": -135299877454.56276 }, "end": { "local": "1965-09-19T07:06:56+08:00", "utc": "1965-09-18T23:06:56Z", "ms": -135219184312.83221 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-09-18T08:42:03+08:00", "utc": "1965-09-18T00:42:03Z", "ms": -135299877454.56276 }, "end": { "local": "1965-09-19T07:06:56+08:00", "utc": "1965-09-18T23:06:56Z", "ms": -135219184312.83221 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-09-18", "window": { "start": { "local": "1965-09-18T18:52:49+08:00", "utc": "1965-09-18T10:52:49Z", "ms": -135263231363.3529 }, "end": { "local": "1965-09-18T20:26:24+08:00", "utc": "1965-09-18T12:26:24Z", "ms": -135257615897.12259 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1965-09-19", "window": { "start": { "local": "1965-09-19T18:51:20+08:00", "utc": "1965-09-19T10:51:20Z", "ms": -135176919611.49321 }, "end": { "local": "1965-09-19T20:25:14+08:00", "utc": "1965-09-19T12:25:14Z", "ms": -135171286269.14267 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:42 on Sat 18 Sep to 07:07 on Sun 19 Sep.", "fact": "1965-09-18T00:42:03Z → 1965-09-18T23:06:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:26 on the 18th, 18:51–20:25 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 94 of 94 minutes on the 18th and 0 of 94 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36646 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Qingyang, 1965: Saturday 18 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-18", "confidence": "determinate" } ], "quote": "In Qingyang, Jitāṣṭamī (Jitiya) 1965 falls on Saturday 18 September. Aṣṭamī runs from 08:42 on Sat 18 Sep to 07:07 on Sun 19 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27271, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1965-09-18T08:42:03+08:00", "utc": "1965-09-18T00:42:03Z", "ms": -135299877454.56276 }, "end": { "local": "1965-09-19T07:06:56+08:00", "utc": "1965-09-18T23:06:56Z", "ms": -135219184312.83221 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-09-18T08:42:03+08:00", "utc": "1965-09-18T00:42:03Z", "ms": -135299877454.56276 }, "end": { "local": "1965-09-19T07:06:56+08:00", "utc": "1965-09-18T23:06:56Z", "ms": -135219184312.83221 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-09-17", "window": { "start": { "local": "1965-09-17T22:42:57+08:00", "utc": "1965-09-17T14:42:57Z", "ms": -135335822657.76408 }, "end": { "local": "1965-09-17T22:42:57+08:00", "utc": "1965-09-17T14:42:57Z", "ms": -135335822657.76408 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-09-18", "window": { "start": { "local": "1965-09-18T23:32:25+08:00", "utc": "1965-09-18T15:32:25Z", "ms": -135246454951.8138 }, "end": { "local": "1965-09-18T23:32:25+08:00", "utc": "1965-09-18T15:32:25Z", "ms": -135246454951.8138 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:42 on Sat 18 Sep to 07:07 on Sun 19 Sep.", "fact": "1965-09-18T00:42:03Z → 1965-09-18T23:06:56Z" }, { "step": "kaala", "text": "Moonrise is at 22:43 on the 17th and 23:32 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27271 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Qingyang, 1965: Saturday 18 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-18", "confidence": "determinate" } ], "quote": "In Qingyang, Mahālakṣmī Vrata Samāpana 1965 falls on Saturday 18 September. Aṣṭamī runs from 08:42 on Sat 18 Sep to 07:07 on Sun 19 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-09-21", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14536, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-09-21T02:34:01+08:00", "utc": "1965-09-20T18:34:01Z", "ms": -135062759427.40637 }, "end": { "local": "1965-09-21T23:43:16+08:00", "utc": "1965-09-21T15:43:16Z", "ms": -134986604130.87955 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-09-21T02:34:01+08:00", "utc": "1965-09-20T18:34:01Z", "ms": -135062759427.40637 }, "end": { "local": "1965-09-21T23:43:16+08:00", "utc": "1965-09-21T15:43:16Z", "ms": -134986604130.87955 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-09-21", "window": { "start": { "local": "1965-09-21T06:36:16+08:00", "utc": "1965-09-20T22:36:16Z", "ms": -135048223593.74025 }, "end": { "local": "1965-09-21T06:36:16+08:00", "utc": "1965-09-20T22:36:16Z", "ms": -135048223593.74025 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-09-22", "window": { "start": { "local": "1965-09-22T06:37:02+08:00", "utc": "1965-09-21T22:37:02Z", "ms": -134961777507.08136 }, "end": { "local": "1965-09-22T06:37:02+08:00", "utc": "1965-09-21T22:37:02Z", "ms": -134961777507.08136 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:34 on Tue 21 Sep to 23:43 on Tue 21 Sep.", "fact": "1965-09-20T18:34:01Z → 1965-09-21T15:43:16Z" }, { "step": "kaala", "text": "Sunrise is at 06:36 on the 21st and 06:37 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 14536 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Qingyang, 1965: Tuesday 21 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": "1965-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-21", "confidence": "determinate" } ], "quote": "In Qingyang, Indirā Ekādaśī 1965 falls on Tuesday 21 September. Ekādaśī runs from 02:34 on Tue 21 Sep to 23:43 on Tue 21 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-09-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-09-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-22", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 956, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-09-22T20:37:39+08:00", "utc": "1965-09-22T12:37:39Z", "ms": -134911341320.56212 }, "end": { "local": "1965-09-23T17:25:13+08:00", "utc": "1965-09-23T09:25:13Z", "ms": -134836487120.45862 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-09-22T20:37:39+08:00", "utc": "1965-09-22T12:37:39Z", "ms": -134911341320.56212 }, "end": { "local": "1965-09-23T17:25:13+08:00", "utc": "1965-09-23T09:25:13Z", "ms": -134836487120.45862 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-09-22", "window": { "start": { "local": "1965-09-22T18:46:56+08:00", "utc": "1965-09-22T10:46:56Z", "ms": -134917984236.91322 }, "end": { "local": "1965-09-22T20:21:43+08:00", "utc": "1965-09-22T12:21:43Z", "ms": -134912297175.45036 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1965-09-23", "window": { "start": { "local": "1965-09-23T18:45:28+08:00", "utc": "1965-09-23T10:45:28Z", "ms": -134831672315.03503 }, "end": { "local": "1965-09-23T20:20:33+08:00", "utc": "1965-09-23T12:20:33Z", "ms": -134825967325.47354 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:38 on Wed 22 Sep to 17:25 on Thu 23 Sep.", "fact": "1965-09-22T12:37:39Z → 1965-09-23T09:25:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:22 on the 22nd, 18:45–20:21 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 95 minutes on the 22nd and 0 of 95 on the 23rd.", "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 956 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1965: Wednesday 22 September.", "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": "1965-09-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-22", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1965 falls on Wednesday 22 September. Trayodaśī runs from 20:38 on Wed 22 Sep to 17:25 on Thu 23 Sep, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-09-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/shivaratri?on=1965-09-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24769, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-09-23T17:25:13+08:00", "utc": "1965-09-23T09:25:13Z", "ms": -134836487120.45862 }, "end": { "local": "1965-09-24T14:15:13+08:00", "utc": "1965-09-24T06:15:13Z", "ms": -134761486684.27655 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-09-23T17:25:13+08:00", "utc": "1965-09-23T09:25:13Z", "ms": -134836487120.45862 }, "end": { "local": "1965-09-24T14:15:13+08:00", "utc": "1965-09-24T06:15:13Z", "ms": -134761486684.27655 } }, "kaala": "nishita", "days": [ { "local_date": "1965-09-23", "window": { "start": { "local": "1965-09-24T00:18:01+08:00", "utc": "1965-09-23T16:18:01Z", "ms": -134811718604.17943 }, "end": { "local": "1965-09-24T01:06:01+08:00", "utc": "1965-09-23T17:06:01Z", "ms": -134808838604.17943 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-09-24", "window": { "start": { "local": "1965-09-25T00:17:41+08:00", "utc": "1965-09-24T16:17:41Z", "ms": -134725339318.6424 }, "end": { "local": "1965-09-25T01:05:41+08:00", "utc": "1965-09-24T17:05:41Z", "ms": -134722459318.6424 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:25 on Thu 23 Sep to 14:15 on Fri 24 Sep.", "fact": "1965-09-23T09:25:13Z → 1965-09-24T06:15:13Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:18–01:06 on the 23rd, 00:18–01:06 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 24769 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1965: Thursday 23 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": "1965-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-23", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1965 falls on Thursday 23 September. Caturdaśī runs from 17:25 on Thu 23 Sep to 14:15 on Fri 24 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1965/shivaratri?on=1965-09-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1283, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1965-09-24T14:15:13+08:00", "utc": "1965-09-24T06:15:13Z", "ms": -134761486684.27655 }, "end": { "local": "1965-09-25T11:17:37+08:00", "utc": "1965-09-25T03:17:37Z", "ms": -134685742949.81729 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-09-24T14:15:13+08:00", "utc": "1965-09-24T06:15:13Z", "ms": -134761486684.27655 }, "end": { "local": "1965-09-25T11:17:37+08:00", "utc": "1965-09-25T03:17:37Z", "ms": -134685742949.81729 } }, "kaala": "aparahna", "days": [ { "local_date": "1965-09-24", "window": { "start": { "local": "1965-09-24T13:53:50+08:00", "utc": "1965-09-24T05:53:50Z", "ms": -134762770128.01392 }, "end": { "local": "1965-09-24T16:18:55+08:00", "utc": "1965-09-24T08:18:55Z", "ms": -134754065206.24394 } }, "covered_min": 124, "window_min": 145, "qualifies": true }, { "local_date": "1965-09-25", "window": { "start": { "local": "1965-09-25T13:53:16+08:00", "utc": "1965-09-25T05:53:16Z", "ms": -134676404213.00845 }, "end": { "local": "1965-09-25T16:17:54+08:00", "utc": "1965-09-25T08:17:54Z", "ms": -134667726166.40767 } }, "covered_min": 0, "window_min": 145, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 14:15 on Fri 24 Sep to 11:18 on Sat 25 Sep.", "fact": "1965-09-24T06:15:13Z → 1965-09-25T03:17:37Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:54–16:19 on the 24th, 13:53–16:18 on the 25th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 124 of 145 minutes on the 24th and 0 of 145 on the 25th.", "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 1283 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Qingyang, 1965: Friday 24 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": "1965-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-24", "confidence": "determinate" } ], "quote": "In Qingyang, Mahālaya Amāvāsyā 1965 falls on Friday 24 September. Amāvasyā runs from 14:15 on Fri 24 Sep to 11:18 on Sat 25 Sep and covers 124 of 145 minutes of aparāhṇa that afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3560, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1965-09-25T11:17:37+08:00", "utc": "1965-09-25T03:17:37Z", "ms": -134685742949.81729 }, "end": { "local": "1965-09-26T08:42:31+08:00", "utc": "1965-09-26T00:42:31Z", "ms": -134608649484.06523 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-09-25T11:17:37+08:00", "utc": "1965-09-25T03:17:37Z", "ms": -134685742949.81729 }, "end": { "local": "1965-09-26T08:42:31+08:00", "utc": "1965-09-26T00:42:31Z", "ms": -134608649484.06523 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-09-25", "window": { "start": { "local": "1965-09-25T12:16:57+08:00", "utc": "1965-09-25T04:16:57Z", "ms": -134682183236.30885 }, "end": { "local": "1965-09-25T13:04:57+08:00", "utc": "1965-09-25T05:04:57Z", "ms": -134679303236.30885 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-09-26", "window": { "start": { "local": "1965-09-26T12:16:36+08:00", "utc": "1965-09-26T04:16:36Z", "ms": -134595803721.84348 }, "end": { "local": "1965-09-26T13:04:36+08:00", "utc": "1965-09-26T05:04:36Z", "ms": -134592923721.84348 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:18 on Sat 25 Sep to 08:43 on Sun 26 Sep.", "fact": "1965-09-25T03:17:37Z → 1965-09-26T00:42:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 25th, 12:17–13:05 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3560 s" }, { "step": "ruling", "text": "Navarātrārambha, Qingyang, 1965: Saturday 25 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": "1965-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-25", "confidence": "determinate" } ], "quote": "In Qingyang, Navarātrārambha (Navratri) 1965 falls on Saturday 25 September. Pratipadā runs from 11:18 on Sat 25 Sep to 08:43 on Sun 26 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-09-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25142, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-09-28T05:16:54+08:00", "utc": "1965-09-27T21:16:54Z", "ms": -134448186484.85277 }, "end": { "local": "1965-09-29T04:40:40+08:00", "utc": "1965-09-28T20:40:40Z", "ms": -134363959606.00722 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-09-28T05:16:54+08:00", "utc": "1965-09-27T21:16:54Z", "ms": -134448186484.85277 }, "end": { "local": "1965-09-29T04:40:40+08:00", "utc": "1965-09-28T20:40:40Z", "ms": -134363959606.00722 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-09-28", "window": { "start": { "local": "1965-09-28T12:15:56+08:00", "utc": "1965-09-28T04:15:56Z", "ms": -134423044141.84752 }, "end": { "local": "1965-09-28T13:03:56+08:00", "utc": "1965-09-28T05:03:56Z", "ms": -134420164141.84752 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-09-29", "window": { "start": { "local": "1965-09-29T12:15:36+08:00", "utc": "1965-09-29T04:15:36Z", "ms": -134336664041.93427 }, "end": { "local": "1965-09-29T13:03:36+08:00", "utc": "1965-09-29T05:03:36Z", "ms": -134333784041.93427 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:17 on Tue 28 Sep to 04:41 on Wed 29 Sep.", "fact": "1965-09-27T21:16:54Z → 1965-09-28T20:40:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 28th, 12:16–13:04 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25142 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1965: Tuesday 28 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-09-28", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1965 falls on Tuesday 28 September. Caturthī runs from 05:17 on Tue 28 Sep to 04:41 on Wed 29 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-02", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 155, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1965-10-01T05:53:36+08:00", "utc": "1965-09-30T21:53:36Z", "ms": -134186784011.1687 }, "end": { "local": "1965-10-02T07:34:38+08:00", "utc": "1965-10-01T23:34:38Z", "ms": -134094322475.73653 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-10-01T05:53:36+08:00", "utc": "1965-09-30T21:53:36Z", "ms": -134186784011.1687 }, "end": { "local": "1965-10-02T07:34:38+08:00", "utc": "1965-10-01T23:34:38Z", "ms": -134094322475.73653 } }, "kaala": "udaya-1", "days": [ { "local_date": "1965-10-01", "window": { "start": { "local": "1965-10-01T06:44:05+08:00", "utc": "1965-09-30T22:44:05Z", "ms": -134183755422.33232 }, "end": { "local": "1965-10-01T07:31:24+08:00", "utc": "1965-09-30T23:31:24Z", "ms": -134180916450.10814 } }, "covered_min": 47, "window_min": 47, "qualifies": true }, { "local_date": "1965-10-02", "window": { "start": { "local": "1965-10-02T06:44:52+08:00", "utc": "1965-10-01T22:44:52Z", "ms": -134097307579.62479 }, "end": { "local": "1965-10-02T07:32:02+08:00", "utc": "1965-10-01T23:32:02Z", "ms": -134094477539.75075 } }, "covered_min": 47, "window_min": 47, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:54 on Fri 1 Oct to 07:35 on Sat 2 Oct.", "fact": "1965-09-30T21:53:36Z → 1965-10-01T23:34:38Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:44–07:31 on the 1st, 06:45–07:32 on the 2nd.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 47 of 47 minutes on the 1st and 47 of 47 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both mornings qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 155 s < 300 s" }, { "step": "ruling", "text": "Durgā Saptamī, Qingyang, 1965: Saturday 2 October.", "fact": "confidence: boundary (margin)" } ], "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": "1965-10-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-02", "confidence": "boundary" } ], "quote": "In Qingyang, Durgā Saptamī 1965 falls on Saturday 2 October. Saptamī runs from 05:54 on Fri 1 Oct to 07:35 on Sat 2 Oct and covers all of the first muhūrta after sunrise that morning. It also reaches the previous morning for 47 minutes; by the rule the second morning is taken. It is 2 min 35 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8911, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1965-10-02T07:34:38+08:00", "utc": "1965-10-01T23:34:38Z", "ms": -134094322475.73653 }, "end": { "local": "1965-10-03T09:45:48+08:00", "utc": "1965-10-03T01:45:48Z", "ms": -134000052319.7612 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-10-02T07:34:38+08:00", "utc": "1965-10-01T23:34:38Z", "ms": -134094322475.73653 }, "end": { "local": "1965-10-03T09:45:48+08:00", "utc": "1965-10-03T01:45:48Z", "ms": -134000052319.7612 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-10-02", "window": { "start": { "local": "1965-10-02T12:14:38+08:00", "utc": "1965-10-02T04:14:38Z", "ms": -134077522280.56949 }, "end": { "local": "1965-10-02T13:02:38+08:00", "utc": "1965-10-02T05:02:38Z", "ms": -134074642280.56949 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-10-03", "window": { "start": { "local": "1965-10-03T12:14:19+08:00", "utc": "1965-10-03T04:14:19Z", "ms": -133991141140.8028 }, "end": { "local": "1965-10-03T13:02:19+08:00", "utc": "1965-10-03T05:02:19Z", "ms": -133988261140.8028 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:35 on Sat 2 Oct to 09:46 on Sun 3 Oct.", "fact": "1965-10-01T23:34:38Z → 1965-10-03T01:45:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 2nd, 12:14–13:02 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8911 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Qingyang, 1965: Saturday 2 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-02", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāṣṭamī (Durga Ashtami) 1965 falls on Saturday 2 October. Aṣṭamī runs from 07:35 on Sat 2 Oct to 09:46 on Sun 3 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-03", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 31, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1965-10-03T09:45:48+08:00", "utc": "1965-10-03T01:45:48Z", "ms": -134000052319.7612 }, "end": { "local": "1965-10-04T12:13:29+08:00", "utc": "1965-10-04T04:13:29Z", "ms": -133904791189.03464 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-10-03T09:45:48+08:00", "utc": "1965-10-03T01:45:48Z", "ms": -134000052319.7612 }, "end": { "local": "1965-10-04T12:13:29+08:00", "utc": "1965-10-04T04:13:29Z", "ms": -133904791189.03464 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-10-03", "window": { "start": { "local": "1965-10-03T12:14:19+08:00", "utc": "1965-10-03T04:14:19Z", "ms": -133991141140.8028 }, "end": { "local": "1965-10-03T13:02:19+08:00", "utc": "1965-10-03T05:02:19Z", "ms": -133988261140.8028 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-10-04", "window": { "start": { "local": "1965-10-04T12:14:00+08:00", "utc": "1965-10-04T04:14:00Z", "ms": -133904759690.76437 }, "end": { "local": "1965-10-04T13:02:00+08:00", "utc": "1965-10-04T05:02:00Z", "ms": -133901879690.76437 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 09:46 on Sun 3 Oct to 12:13 on Mon 4 Oct.", "fact": "1965-10-03T01:45:48Z → 1965-10-04T04:13:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 3rd, 12:14–13:02 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31 s < 300 s" }, { "step": "ruling", "text": "Mahānavamī, Qingyang, 1965: Sunday 3 October.", "fact": "confidence: boundary (margin)" } ], "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": "1965-10-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-03", "confidence": "determinate" } ], "quote": "In Qingyang, Mahānavamī 1965 falls on Sunday 3 October. Navamī runs from 09:46 on Sun 3 Oct to 12:13 on Mon 4 Oct and covers all of madhyāhna that midday. It is 0 min 31 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11325, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1965-10-04T12:13:29+08:00", "utc": "1965-10-04T04:13:29Z", "ms": -133904791189.03464 }, "end": { "local": "1965-10-05T14:43:21+08:00", "utc": "1965-10-05T06:43:21Z", "ms": -133809399242.60905 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1965-10-04T21:38:17+08:00", "utc": "1965-10-04T13:38:17Z", "ms": -133870903371.23438 }, "end": { "local": "1965-10-05T14:43:21+08:00", "utc": "1965-10-05T06:43:21Z", "ms": -133809399242.60905 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1965-10-04T21:38:17+08:00", "utc": "1965-10-04T13:38:17Z", "ms": -133870903371.23438 }, "end": { "local": "1965-10-06T00:35:34+08:00", "utc": "1965-10-05T16:35:34Z", "ms": -133773866479.15169 } } }, "kaala": "daytime", "days": [ { "local_date": "1965-10-04", "window": { "start": { "local": "1965-10-04T06:46:29+08:00", "utc": "1965-10-03T22:46:29Z", "ms": -133924411219.48526 }, "end": { "local": "1965-10-04T18:29:32+08:00", "utc": "1965-10-04T10:29:32Z", "ms": -133882228162.04347 } }, "covered_min": 0, "window_min": 703, "qualifies": false }, { "local_date": "1965-10-05", "window": { "start": { "local": "1965-10-05T06:47:17+08:00", "utc": "1965-10-04T22:47:17Z", "ms": -133837962680.46523 }, "end": { "local": "1965-10-05T18:28:07+08:00", "utc": "1965-10-05T10:28:07Z", "ms": -133795913138.5738 } }, "covered_min": 476, "window_min": 701, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 12:13 on Mon 4 Oct to 14:43 on Tue 5 Oct, and Śravaṇa from 21:38 on Mon 4 Oct to 00:36 on Wed 6 Oct. They are together from 21:38 on Mon 4 Oct to 14:43 on Tue 5 Oct.", "fact": "1965-10-04T13:38:17Z → 1965-10-05T06:43:21Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:46–18:30 on the 4th, 06:47–18:28 on the 5th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 703 minutes on the 4th and 476 of 701 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11325 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Qingyang, 1965: Tuesday 5 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-05", "confidence": "determinate" } ], "quote": "In Qingyang, Vijayā Daśamī (Dussehra) 1965 falls on Tuesday 5 October. Daśamī runs from 12:13 on Mon 4 Oct to 14:43 on Tue 5 Oct and is with Śravaṇa in the day time that day, for 476 minutes.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-10-06", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28563, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-10-05T14:43:21+08:00", "utc": "1965-10-05T06:43:21Z", "ms": -133809399242.60905 }, "end": { "local": "1965-10-06T17:02:35+08:00", "utc": "1965-10-06T09:02:35Z", "ms": -133714645428.81728 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-10-05T14:43:21+08:00", "utc": "1965-10-05T06:43:21Z", "ms": -133809399242.60905 }, "end": { "local": "1965-10-06T17:02:35+08:00", "utc": "1965-10-06T09:02:35Z", "ms": -133714645428.81728 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-10-05", "window": { "start": { "local": "1965-10-05T06:47:17+08:00", "utc": "1965-10-04T22:47:17Z", "ms": -133837962680.46523 }, "end": { "local": "1965-10-05T06:47:17+08:00", "utc": "1965-10-04T22:47:17Z", "ms": -133837962680.46523 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-10-06", "window": { "start": { "local": "1965-10-06T06:48:06+08:00", "utc": "1965-10-05T22:48:06Z", "ms": -133751513887.19603 }, "end": { "local": "1965-10-06T06:48:06+08:00", "utc": "1965-10-05T22:48:06Z", "ms": -133751513887.19603 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:43 on Tue 5 Oct to 17:03 on Wed 6 Oct.", "fact": "1965-10-05T06:43:21Z → 1965-10-06T09:02:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 5th and 06:48 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28563 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Qingyang, 1965: Wednesday 6 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": "1965-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-06", "confidence": "determinate" } ], "quote": "In Qingyang, Pāśāṅkuśā Ekādaśī 1965 falls on Wednesday 6 October. Ekādaśī runs from 14:43 on Tue 5 Oct to 17:03 on Wed 6 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-10-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-10-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-08", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1840, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-10-07T19:01:29+08:00", "utc": "1965-10-07T11:01:29Z", "ms": -133621111080.61206 }, "end": { "local": "1965-10-08T20:34:08+08:00", "utc": "1965-10-08T12:34:08Z", "ms": -133529151998.16096 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1965-10-07T19:01:29+08:00", "utc": "1965-10-07T11:01:29Z", "ms": -133621111080.61206 }, "end": { "local": "1965-10-08T20:34:08+08:00", "utc": "1965-10-08T12:34:08Z", "ms": -133529151998.16096 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-10-07", "window": { "start": { "local": "1965-10-07T18:25:18+08:00", "utc": "1965-10-07T10:25:18Z", "ms": -133623281708.18974 }, "end": { "local": "1965-10-07T20:04:34+08:00", "utc": "1965-10-07T12:04:34Z", "ms": -133617326212.60284 } }, "covered_min": 63, "window_min": 99, "qualifies": true }, { "local_date": "1965-10-08", "window": { "start": { "local": "1965-10-08T18:23:55+08:00", "utc": "1965-10-08T10:23:55Z", "ms": -133536965238.02086 }, "end": { "local": "1965-10-08T20:03:28+08:00", "utc": "1965-10-08T12:03:28Z", "ms": -133530991988.23352 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:01 on Thu 7 Oct to 20:34 on Fri 8 Oct.", "fact": "1965-10-07T11:01:29Z → 1965-10-08T12:34:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–20:05 on the 7th, 18:24–20:03 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 63 of 99 minutes on the 7th and 100 of 100 on the 8th.", "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 1840 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1965: Friday 8 October.", "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": "1965-10-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-08", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1965 falls on Friday 8 October. Trayodaśī runs from 19:01 on Thu 7 Oct to 20:34 on Fri 8 Oct and covers all of pradoṣa that evening. It also reaches the previous evening for 63 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/qingyang/festivals/1965/pradosha-vrata?on=1965-10-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-13", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 469, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-10-13T21:30:17+08:00", "utc": "1965-10-13T13:30:17Z", "ms": -133093783288.27034 }, "end": { "local": "1965-10-14T20:33:46+08:00", "utc": "1965-10-14T12:33:46Z", "ms": -133010773556.66425 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-13T21:30:17+08:00", "utc": "1965-10-13T13:30:17Z", "ms": -133093783288.27034 }, "end": { "local": "1965-10-14T20:33:46+08:00", "utc": "1965-10-14T12:33:46Z", "ms": -133010773556.66425 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-10-13", "window": { "start": { "local": "1965-10-13T20:02:05+08:00", "utc": "1965-10-13T12:02:05Z", "ms": -133099075342.37048 }, "end": { "local": "1965-10-13T20:02:05+08:00", "utc": "1965-10-13T12:02:05Z", "ms": -133099075342.37048 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-10-14", "window": { "start": { "local": "1965-10-14T20:41:35+08:00", "utc": "1965-10-14T12:41:35Z", "ms": -133010305040.69438 }, "end": { "local": "1965-10-14T20:41:35+08:00", "utc": "1965-10-14T12:41:35Z", "ms": -133010305040.69438 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:30 on Wed 13 Oct to 20:34 on Thu 14 Oct.", "fact": "1965-10-13T13:30:17Z → 1965-10-14T12:33:46Z" }, { "step": "kaala", "text": "Moonrise is at 20:02 on the 13th and 20:42 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: purvaviddha → tithi-day · margin 469 s" }, { "step": "ruling", "text": "Karaka Caturthī, Qingyang, 1965: Wednesday 13 October.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1965-10-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-13", "confidence": "boundary" } ], "quote": "In Qingyang, Karaka Caturthī (Karwa Chauth) 1965 falls on Wednesday 13 October. Caturthī runs from 21:30 on Wed 13 Oct to 20:34 on Thu 14 Oct, and is current at moonrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/sankashta-chaturthi?on=1965-10-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-13", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 469, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-10-13T21:30:17+08:00", "utc": "1965-10-13T13:30:17Z", "ms": -133093783288.27034 }, "end": { "local": "1965-10-14T20:33:46+08:00", "utc": "1965-10-14T12:33:46Z", "ms": -133010773556.66425 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-13T21:30:17+08:00", "utc": "1965-10-13T13:30:17Z", "ms": -133093783288.27034 }, "end": { "local": "1965-10-14T20:33:46+08:00", "utc": "1965-10-14T12:33:46Z", "ms": -133010773556.66425 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-10-13", "window": { "start": { "local": "1965-10-13T20:02:05+08:00", "utc": "1965-10-13T12:02:05Z", "ms": -133099075342.37048 }, "end": { "local": "1965-10-13T20:02:05+08:00", "utc": "1965-10-13T12:02:05Z", "ms": -133099075342.37048 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-10-14", "window": { "start": { "local": "1965-10-14T20:41:35+08:00", "utc": "1965-10-14T12:41:35Z", "ms": -133010305040.69438 }, "end": { "local": "1965-10-14T20:41:35+08:00", "utc": "1965-10-14T12:41:35Z", "ms": -133010305040.69438 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:30 on Wed 13 Oct to 20:34 on Thu 14 Oct.", "fact": "1965-10-13T13:30:17Z → 1965-10-14T12:33:46Z" }, { "step": "kaala", "text": "Moonrise is at 20:02 on the 13th and 20:42 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 469 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1965: Wednesday 13 October.", "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": "1965-10-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-13", "confidence": "boundary" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1965 falls on Wednesday 13 October. Caturthī runs from 21:30 on Wed 13 Oct to 20:34 on Thu 14 Oct, and is current at moonrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1965/sankashta-chaturthi?on=1965-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26869, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1965-10-17T15:59:13+08:00", "utc": "1965-10-17T07:59:13Z", "ms": -132768046686.6898 }, "end": { "local": "1965-10-18T13:56:23+08:00", "utc": "1965-10-18T05:56:23Z", "ms": -132689017017.03726 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-17T15:59:13+08:00", "utc": "1965-10-17T07:59:13Z", "ms": -132768046686.6898 }, "end": { "local": "1965-10-18T13:56:23+08:00", "utc": "1965-10-18T05:56:23Z", "ms": -132689017017.03726 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-10-17", "window": { "start": { "local": "1965-10-17T23:27:02+08:00", "utc": "1965-10-17T15:27:02Z", "ms": -132741177721.23909 }, "end": { "local": "1965-10-17T23:27:02+08:00", "utc": "1965-10-17T15:27:02Z", "ms": -132741177721.23909 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-10-18", "window": { "start": { "local": "1965-10-19T00:35:48+08:00", "utc": "1965-10-18T16:35:48Z", "ms": -132650651824.64629 }, "end": { "local": "1965-10-19T00:35:48+08:00", "utc": "1965-10-18T16:35:48Z", "ms": -132650651824.64629 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 15:59 on Sun 17 Oct to 13:56 on Mon 18 Oct.", "fact": "1965-10-17T07:59:13Z → 1965-10-18T05:56:23Z" }, { "step": "kaala", "text": "Moonrise is at 23:27 on the 17th and 00:36 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 17th and is not on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26869 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Qingyang, 1965: Sunday 17 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": "1965-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-17", "confidence": "determinate" } ], "quote": "In Qingyang, Ahoyī Aṣṭamī 1965 falls on Sunday 17 October. Aṣṭamī runs from 15:59 on Sun 17 Oct to 13:56 on Mon 18 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-10-20", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 851, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-10-20T09:16:11+08:00", "utc": "1965-10-20T01:16:11Z", "ms": -132533028633.20097 }, "end": { "local": "1965-10-21T06:46:45+08:00", "utc": "1965-10-20T22:46:45Z", "ms": -132455594884.82983 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-20T09:16:11+08:00", "utc": "1965-10-20T01:16:11Z", "ms": -132533028633.20097 }, "end": { "local": "1965-10-21T06:46:45+08:00", "utc": "1965-10-20T22:46:45Z", "ms": -132455594884.82983 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-10-20", "window": { "start": { "local": "1965-10-20T07:00:02+08:00", "utc": "1965-10-19T23:00:02Z", "ms": -132541197550.68011 }, "end": { "local": "1965-10-20T07:00:02+08:00", "utc": "1965-10-19T23:00:02Z", "ms": -132541197550.68011 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-10-21", "window": { "start": { "local": "1965-10-21T07:00:56+08:00", "utc": "1965-10-20T23:00:56Z", "ms": -132454743642.18553 }, "end": { "local": "1965-10-21T07:00:56+08:00", "utc": "1965-10-20T23:00:56Z", "ms": -132454743642.18553 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:16 on Wed 20 Oct to 06:47 on Thu 21 Oct.", "fact": "1965-10-20T01:16:11Z → 1965-10-20T22:46:45Z" }, { "step": "kaala", "text": "Sunrise is at 07:00 on the 20th and 07:01 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 851 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Qingyang, 1965: Wednesday 20 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": "1965-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-20", "confidence": "determinate" } ], "quote": "In Qingyang, Ramā Ekādaśī 1965 falls on Wednesday 20 October. Ekādaśī runs from 09:16 on Wed 20 Oct to 06:47 on Thu 21 Oct, and is current at sunrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-10-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30495, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1965-10-21T06:46:45+08:00", "utc": "1965-10-20T22:46:45Z", "ms": -132455594884.82983 }, "end": { "local": "1965-10-22T04:18:25+08:00", "utc": "1965-10-21T20:18:25Z", "ms": -132378094672.15244 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-21T06:46:45+08:00", "utc": "1965-10-20T22:46:45Z", "ms": -132455594884.82983 }, "end": { "local": "1965-10-22T04:18:25+08:00", "utc": "1965-10-21T20:18:25Z", "ms": -132378094672.15244 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-10-20", "window": { "start": { "local": "1965-10-20T18:08:04+08:00", "utc": "1965-10-20T10:08:04Z", "ms": -132501115697.21542 }, "end": { "local": "1965-10-20T19:51:07+08:00", "utc": "1965-10-20T11:51:07Z", "ms": -132494932756.54477 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1965-10-21", "window": { "start": { "local": "1965-10-21T18:06:50+08:00", "utc": "1965-10-21T10:06:50Z", "ms": -132414789591.58952 }, "end": { "local": "1965-10-21T19:50:10+08:00", "utc": "1965-10-21T11:50:10Z", "ms": -132408589559.65163 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:47 on Thu 21 Oct to 04:18 on Fri 22 Oct.", "fact": "1965-10-20T22:46:45Z → 1965-10-21T20:18:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:51 on the 20th, 18:07–19:50 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 20th and 103 of 103 on the 21st.", "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 30495 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Qingyang, 1965: Thursday 21 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": "1965-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-21", "confidence": "determinate" } ], "quote": "In Qingyang, Govatsa Dvādaśī (Vasu Baras) 1965 falls on Thursday 21 October. Dvādaśī runs from 06:47 on Thu 21 Oct to 04:18 on Fri 22 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22127, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-10-22T04:18:25+08:00", "utc": "1965-10-21T20:18:25Z", "ms": -132378094672.15244 }, "end": { "local": "1965-10-23T01:58:01+08:00", "utc": "1965-10-22T17:58:01Z", "ms": -132300118907.89902 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-22T04:18:25+08:00", "utc": "1965-10-21T20:18:25Z", "ms": -132378094672.15244 }, "end": { "local": "1965-10-23T01:58:01+08:00", "utc": "1965-10-22T17:58:01Z", "ms": -132300118907.89902 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-10-21", "window": { "start": { "local": "1965-10-21T18:06:50+08:00", "utc": "1965-10-21T10:06:50Z", "ms": -132414789591.58952 }, "end": { "local": "1965-10-21T19:50:10+08:00", "utc": "1965-10-21T11:50:10Z", "ms": -132408589559.65163 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1965-10-22", "window": { "start": { "local": "1965-10-22T18:05:37+08:00", "utc": "1965-10-22T10:05:37Z", "ms": -132328462522.36201 }, "end": { "local": "1965-10-22T19:49:15+08:00", "utc": "1965-10-22T11:49:15Z", "ms": -132322245477.43057 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:18 on Fri 22 Oct to 01:58 on Sat 23 Oct.", "fact": "1965-10-21T20:18:25Z → 1965-10-22T17:58:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:50 on the 21st, 18:06–19:49 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 21st and 104 of 104 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22127 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Qingyang, 1965: Friday 22 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": "1965-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-22", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Dīpadāna 1965 falls on Friday 22 October. Trayodaśī runs from 04:18 on Fri 22 Oct to 01:58 on Sat 23 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/pradosha-vrata?on=1965-10-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22127, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-10-22T04:18:25+08:00", "utc": "1965-10-21T20:18:25Z", "ms": -132378094672.15244 }, "end": { "local": "1965-10-23T01:58:01+08:00", "utc": "1965-10-22T17:58:01Z", "ms": -132300118907.89902 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-22T04:18:25+08:00", "utc": "1965-10-21T20:18:25Z", "ms": -132378094672.15244 }, "end": { "local": "1965-10-23T01:58:01+08:00", "utc": "1965-10-22T17:58:01Z", "ms": -132300118907.89902 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-10-21", "window": { "start": { "local": "1965-10-21T18:06:50+08:00", "utc": "1965-10-21T10:06:50Z", "ms": -132414789591.58952 }, "end": { "local": "1965-10-21T19:50:10+08:00", "utc": "1965-10-21T11:50:10Z", "ms": -132408589559.65163 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1965-10-22", "window": { "start": { "local": "1965-10-22T18:05:37+08:00", "utc": "1965-10-22T10:05:37Z", "ms": -132328462522.36201 }, "end": { "local": "1965-10-22T19:49:15+08:00", "utc": "1965-10-22T11:49:15Z", "ms": -132322245477.43057 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:18 on Fri 22 Oct to 01:58 on Sat 23 Oct.", "fact": "1965-10-21T20:18:25Z → 1965-10-22T17:58:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:50 on the 21st, 18:06–19:49 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 21st and 104 of 104 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22127 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1965: Friday 22 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": "1965-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-22", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1965 falls on Friday 22 October. Trayodaśī runs from 04:18 on Fri 22 Oct to 01:58 on Sat 23 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-10-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/shivaratri?on=1965-10-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-22", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1021, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-10-23T01:58:01+08:00", "utc": "1965-10-22T17:58:01Z", "ms": -132300118907.89902 }, "end": { "local": "1965-10-23T23:53:02+08:00", "utc": "1965-10-23T15:53:02Z", "ms": -132221217836.28621 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-23T01:58:01+08:00", "utc": "1965-10-22T17:58:01Z", "ms": -132300118907.89902 }, "end": { "local": "1965-10-23T23:53:02+08:00", "utc": "1965-10-23T15:53:02Z", "ms": -132221217836.28621 } }, "kaala": "nishita", "days": [ { "local_date": "1965-10-22", "window": { "start": { "local": "1965-10-23T00:10:11+08:00", "utc": "1965-10-22T16:10:11Z", "ms": -132306588603.86908 }, "end": { "local": "1965-10-23T00:58:11+08:00", "utc": "1965-10-22T16:58:11Z", "ms": -132303708603.86908 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-10-23", "window": { "start": { "local": "1965-10-24T00:10:03+08:00", "utc": "1965-10-23T16:10:03Z", "ms": -132220197054.60068 }, "end": { "local": "1965-10-24T00:58:03+08:00", "utc": "1965-10-23T16:58:03Z", "ms": -132217317054.60068 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:58 on Sat 23 Oct to 23:53 on Sat 23 Oct.", "fact": "1965-10-22T17:58:01Z → 1965-10-23T15:53:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:10–00:58 on the 22nd, 00:10–00:58 on the 23rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1021 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1965: Friday 22 October.", "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": "1965-10-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-22", "confidence": "boundary" } ], "quote": "In Qingyang, Śivarātri 1965 falls on Friday 22 October. Caturdaśī runs from 01:58 on Sat 23 Oct to 23:53 on Sat 23 Oct, and reaches niśītha on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1965/shivaratri?on=1965-10-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12067, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-10-23T01:58:01+08:00", "utc": "1965-10-22T17:58:01Z", "ms": -132300118907.89902 }, "end": { "local": "1965-10-23T23:53:02+08:00", "utc": "1965-10-23T15:53:02Z", "ms": -132221217836.28621 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-23T01:58:01+08:00", "utc": "1965-10-22T17:58:01Z", "ms": -132300118907.89902 }, "end": { "local": "1965-10-23T23:53:02+08:00", "utc": "1965-10-23T15:53:02Z", "ms": -132221217836.28621 } }, "kaala": "arunodaya", "days": [ { "local_date": "1965-10-23", "window": { "start": { "local": "1965-10-23T05:19:08+08:00", "utc": "1965-10-22T21:19:08Z", "ms": -132288051730.3076 }, "end": { "local": "1965-10-23T07:02:45+08:00", "utc": "1965-10-22T23:02:45Z", "ms": -132281834685.37616 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "1965-10-24", "window": { "start": { "local": "1965-10-24T05:19:46+08:00", "utc": "1965-10-23T21:19:46Z", "ms": -132201613623.7331 }, "end": { "local": "1965-10-24T07:03:40+08:00", "utc": "1965-10-23T23:03:40Z", "ms": -132195379648.87216 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:58 on Sat 23 Oct to 23:53 on Sat 23 Oct.", "fact": "1965-10-22T17:58:01Z → 1965-10-23T15:53:02Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:19–07:03 on the 23rd, 05:20–07:04 on the 24th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 104 of 104 minutes on the 23rd and 0 of 104 on the 24th.", "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 12067 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Qingyang, 1965: Saturday 23 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": "1965-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-23", "confidence": "determinate" } ], "quote": "In Qingyang, Naraka Caturdaśī (Choti Diwali) 1965 falls on Saturday 23 October. Caturdaśī runs from 01:58 on Sat 23 Oct to 23:53 on Sat 23 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1021, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1965-10-23T23:53:02+08:00", "utc": "1965-10-23T15:53:02Z", "ms": -132221217836.28621 }, "end": { "local": "1965-10-24T22:11:11+08:00", "utc": "1965-10-24T14:11:11Z", "ms": -132140928568.20741 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-23T23:53:02+08:00", "utc": "1965-10-23T15:53:02Z", "ms": -132221217836.28621 }, "end": { "local": "1965-10-24T22:11:11+08:00", "utc": "1965-10-24T14:11:11Z", "ms": -132140928568.20741 } }, "kaala": "nishita", "days": [ { "local_date": "1965-10-23", "window": { "start": { "local": "1965-10-24T00:10:03+08:00", "utc": "1965-10-23T16:10:03Z", "ms": -132220197054.60068 }, "end": { "local": "1965-10-24T00:58:03+08:00", "utc": "1965-10-23T16:58:03Z", "ms": -132217317054.60068 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-10-24", "window": { "start": { "local": "1965-10-25T00:09:55+08:00", "utc": "1965-10-24T16:09:55Z", "ms": -132133804813.67856 }, "end": { "local": "1965-10-25T00:57:55+08:00", "utc": "1965-10-24T16:57:55Z", "ms": -132130924813.67856 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 23:53 on Sat 23 Oct to 22:11 on Sun 24 Oct.", "fact": "1965-10-23T15:53:02Z → 1965-10-24T14:11:11Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:10–00:58 on the 23rd, 00:10–00:58 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1021 s" }, { "step": "ruling", "text": "Kālī Pūjā, Qingyang, 1965: Saturday 23 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": "1965-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-23", "confidence": "determinate" } ], "quote": "In Qingyang, Kālī Pūjā 1965 falls on Saturday 23 October. Amāvasyā runs from 23:53 on Sat 23 Oct to 22:11 on Sun 24 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8626, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1965-10-23T23:53:02+08:00", "utc": "1965-10-23T15:53:02Z", "ms": -132221217836.28621 }, "end": { "local": "1965-10-24T22:11:11+08:00", "utc": "1965-10-24T14:11:11Z", "ms": -132140928568.20741 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-23T23:53:02+08:00", "utc": "1965-10-23T15:53:02Z", "ms": -132221217836.28621 }, "end": { "local": "1965-10-24T22:11:11+08:00", "utc": "1965-10-24T14:11:11Z", "ms": -132140928568.20741 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-10-23", "window": { "start": { "local": "1965-10-23T18:04:26+08:00", "utc": "1965-10-23T10:04:26Z", "ms": -132242134460.3292 }, "end": { "local": "1965-10-23T19:48:20+08:00", "utc": "1965-10-23T11:48:20Z", "ms": -132235900485.46826 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "1965-10-24", "window": { "start": { "local": "1965-10-24T18:03:15+08:00", "utc": "1965-10-24T10:03:15Z", "ms": -132155805376.69177 }, "end": { "local": "1965-10-24T19:47:25+08:00", "utc": "1965-10-24T11:47:25Z", "ms": -132149554559.88824 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 23:53 on Sat 23 Oct to 22:11 on Sun 24 Oct.", "fact": "1965-10-23T15:53:02Z → 1965-10-24T14:11:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:48 on the 23rd, 18:03–19:47 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 104 minutes on the 23rd and 104 of 104 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: unstated → only-day · margin 8626 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Qingyang, 1965: Sunday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-24", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pūjā (Diwali) 1965 falls on Sunday 24 October. Amāvasyā runs from 23:53 on Sat 23 Oct to 22:11 on Sun 24 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28949, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1965-10-24T22:11:11+08:00", "utc": "1965-10-24T14:11:11Z", "ms": -132140928568.20741 }, "end": { "local": "1965-10-25T20:59:49+08:00", "utc": "1965-10-25T12:59:49Z", "ms": -132058810658.92978 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-24T22:11:11+08:00", "utc": "1965-10-24T14:11:11Z", "ms": -132140928568.20741 }, "end": { "local": "1965-10-25T20:59:49+08:00", "utc": "1965-10-25T12:59:49Z", "ms": -132058810658.92978 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-10-24", "window": { "start": { "local": "1965-10-24T12:09:27+08:00", "utc": "1965-10-24T04:09:27Z", "ms": -132177032512.78197 }, "end": { "local": "1965-10-24T12:57:27+08:00", "utc": "1965-10-24T04:57:27Z", "ms": -132174152512.78197 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-10-25", "window": { "start": { "local": "1965-10-25T12:09:20+08:00", "utc": "1965-10-25T04:09:20Z", "ms": -132090639746.69423 }, "end": { "local": "1965-10-25T12:57:20+08:00", "utc": "1965-10-25T04:57:20Z", "ms": -132087759746.69423 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:11 on Sun 24 Oct to 21:00 on Mon 25 Oct.", "fact": "1965-10-24T14:11:11Z → 1965-10-25T12:59:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 24th, 12:09–12:57 on the 25th.", "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 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28949 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Qingyang, 1965: Monday 25 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": "1965-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-25", "confidence": "determinate" } ], "quote": "In Qingyang, Govardhana Pūjā 1965 falls on Monday 25 October. Pratipadā runs from 22:11 on Sun 24 Oct to 21:00 on Mon 25 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4397, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1965-10-24T22:11:11+08:00", "utc": "1965-10-24T14:11:11Z", "ms": -132140928568.20741 }, "end": { "local": "1965-10-25T20:59:49+08:00", "utc": "1965-10-25T12:59:49Z", "ms": -132058810658.92978 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-24T22:11:11+08:00", "utc": "1965-10-24T14:11:11Z", "ms": -132140928568.20741 }, "end": { "local": "1965-10-25T20:59:49+08:00", "utc": "1965-10-25T12:59:49Z", "ms": -132058810658.92978 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-10-24", "window": { "start": { "local": "1965-10-24T18:03:15+08:00", "utc": "1965-10-24T10:03:15Z", "ms": -132155805376.69177 }, "end": { "local": "1965-10-24T19:47:25+08:00", "utc": "1965-10-24T11:47:25Z", "ms": -132149554559.88824 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "1965-10-25", "window": { "start": { "local": "1965-10-25T18:02:05+08:00", "utc": "1965-10-25T10:02:05Z", "ms": -132069475242.7231 }, "end": { "local": "1965-10-25T19:46:32+08:00", "utc": "1965-10-25T11:46:32Z", "ms": -132063207677.02826 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:11 on Sun 24 Oct to 21:00 on Mon 25 Oct.", "fact": "1965-10-24T14:11:11Z → 1965-10-25T12:59:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:47 on the 24th, 18:02–19:47 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 104 minutes on the 24th and 104 of 104 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 4397 s" }, { "step": "ruling", "text": "Bali Pūjā, Qingyang, 1965: Monday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-25", "confidence": "determinate" } ], "quote": "In Qingyang, Bali Pūjā 1965 falls on Monday 25 October. Pratipadā runs from 22:11 on Sun 24 Oct to 21:00 on Mon 25 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32004, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1965-10-24T22:11:11+08:00", "utc": "1965-10-24T14:11:11Z", "ms": -132140928568.20741 }, "end": { "local": "1965-10-25T20:59:49+08:00", "utc": "1965-10-25T12:59:49Z", "ms": -132058810658.92978 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-24T22:11:11+08:00", "utc": "1965-10-24T14:11:11Z", "ms": -132140928568.20741 }, "end": { "local": "1965-10-25T20:59:49+08:00", "utc": "1965-10-25T12:59:49Z", "ms": -132058810658.92978 } }, "kaala": "purvahna", "days": [ { "local_date": "1965-10-25", "window": { "start": { "local": "1965-10-25T07:04:36+08:00", "utc": "1965-10-24T23:04:36Z", "ms": -132108924250.66536 }, "end": { "local": "1965-10-25T10:43:45+08:00", "utc": "1965-10-25T02:43:45Z", "ms": -132095774581.35127 } }, "covered_min": 219, "window_min": 219, "qualifies": true }, { "local_date": "1965-10-26", "window": { "start": { "local": "1965-10-26T07:05:31+08:00", "utc": "1965-10-25T23:05:31Z", "ms": -132022468500.0118 }, "end": { "local": "1965-10-26T10:44:00+08:00", "utc": "1965-10-26T02:44:00Z", "ms": -132009360343.1576 } }, "covered_min": 0, "window_min": 218, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:11 on Sun 24 Oct to 21:00 on Mon 25 Oct.", "fact": "1965-10-24T14:11:11Z → 1965-10-25T12:59:49Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:05–10:44 on the 25th, 07:06–10:44 on the 26th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 219 of 219 minutes on the 25th and 0 of 218 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32004 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Qingyang, 1965: Monday 25 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": "1965-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-25", "confidence": "determinate" } ], "quote": "In Qingyang, Dyūta Pratipad 1965 falls on Monday 25 October. Pratipadā runs from 22:11 on Sun 24 Oct to 21:00 on Mon 25 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26875, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1965-10-25T20:59:49+08:00", "utc": "1965-10-25T12:59:49Z", "ms": -132058810658.92978 }, "end": { "local": "1965-10-26T20:25:09+08:00", "utc": "1965-10-26T12:25:09Z", "ms": -131974490785.37587 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-25T20:59:49+08:00", "utc": "1965-10-25T12:59:49Z", "ms": -132058810658.92978 }, "end": { "local": "1965-10-26T20:25:09+08:00", "utc": "1965-10-26T12:25:09Z", "ms": -131974490785.37587 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-10-25", "window": { "start": { "local": "1965-10-25T12:09:20+08:00", "utc": "1965-10-25T04:09:20Z", "ms": -132090639746.69423 }, "end": { "local": "1965-10-25T12:57:20+08:00", "utc": "1965-10-25T04:57:20Z", "ms": -132087759746.69423 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-10-26", "window": { "start": { "local": "1965-10-26T12:09:14+08:00", "utc": "1965-10-26T04:09:14Z", "ms": -132004246264.7305 }, "end": { "local": "1965-10-26T12:57:14+08:00", "utc": "1965-10-26T04:57:14Z", "ms": -132001366264.7305 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 21:00 on Mon 25 Oct to 20:25 on Tue 26 Oct.", "fact": "1965-10-25T12:59:49Z → 1965-10-26T12:25:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 25th, 12:09–12:57 on the 26th.", "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 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26875 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Qingyang, 1965: Tuesday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-26", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Dvitīyā (Bhai Dooj) 1965 falls on Tuesday 26 October. Dvitīyā runs from 21:00 on Mon 25 Oct to 20:25 on Tue 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27256, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-10-27T20:31:24+08:00", "utc": "1965-10-27T12:31:24Z", "ms": -131887716249.05907 }, "end": { "local": "1965-10-28T21:19:47+08:00", "utc": "1965-10-28T13:19:47Z", "ms": -131798413007.17105 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-27T20:31:24+08:00", "utc": "1965-10-27T12:31:24Z", "ms": -131887716249.05907 }, "end": { "local": "1965-10-28T21:19:47+08:00", "utc": "1965-10-28T13:19:47Z", "ms": -131798413007.17105 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-10-27", "window": { "start": { "local": "1965-10-27T12:09:08+08:00", "utc": "1965-10-27T04:09:08Z", "ms": -131917852057.22566 }, "end": { "local": "1965-10-27T12:57:08+08:00", "utc": "1965-10-27T04:57:08Z", "ms": -131914972057.22566 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-10-28", "window": { "start": { "local": "1965-10-28T12:09:03+08:00", "utc": "1965-10-28T04:09:03Z", "ms": -131831457114.54227 }, "end": { "local": "1965-10-28T12:57:03+08:00", "utc": "1965-10-28T04:57:03Z", "ms": -131828577114.54227 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:31 on Wed 27 Oct to 21:20 on Thu 28 Oct.", "fact": "1965-10-27T12:31:24Z → 1965-10-28T13:19:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 27th, 12:09–12:57 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27256 s" }, { "step": "ruling", "text": "Nāga Caturthī, Qingyang, 1965: Thursday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-28", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Caturthī 1965 falls on Thursday 28 October. Caturthī runs from 20:31 on Wed 27 Oct to 21:20 on Thu 28 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-10-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27256, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-10-27T20:31:24+08:00", "utc": "1965-10-27T12:31:24Z", "ms": -131887716249.05907 }, "end": { "local": "1965-10-28T21:19:47+08:00", "utc": "1965-10-28T13:19:47Z", "ms": -131798413007.17105 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-27T20:31:24+08:00", "utc": "1965-10-27T12:31:24Z", "ms": -131887716249.05907 }, "end": { "local": "1965-10-28T21:19:47+08:00", "utc": "1965-10-28T13:19:47Z", "ms": -131798413007.17105 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-10-27", "window": { "start": { "local": "1965-10-27T12:09:08+08:00", "utc": "1965-10-27T04:09:08Z", "ms": -131917852057.22566 }, "end": { "local": "1965-10-27T12:57:08+08:00", "utc": "1965-10-27T04:57:08Z", "ms": -131914972057.22566 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-10-28", "window": { "start": { "local": "1965-10-28T12:09:03+08:00", "utc": "1965-10-28T04:09:03Z", "ms": -131831457114.54227 }, "end": { "local": "1965-10-28T12:57:03+08:00", "utc": "1965-10-28T04:57:03Z", "ms": -131828577114.54227 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:31 on Wed 27 Oct to 21:20 on Thu 28 Oct.", "fact": "1965-10-27T12:31:24Z → 1965-10-28T13:19:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 27th, 12:09–12:57 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27256 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1965: Thursday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-28", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1965 falls on Thursday 28 October. Caturthī runs from 20:31 on Wed 27 Oct to 21:20 on Thu 28 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-10-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35444, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1965-10-29T22:47:43+08:00", "utc": "1965-10-29T14:47:43Z", "ms": -131706737179.85532 }, "end": { "local": "1965-10-31T00:48:18+08:00", "utc": "1965-10-30T16:48:18Z", "ms": -131613101808.70381 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-10-29T22:47:43+08:00", "utc": "1965-10-29T14:47:43Z", "ms": -131706737179.85532 }, "end": { "local": "1965-10-31T00:48:18+08:00", "utc": "1965-10-30T16:48:18Z", "ms": -131613101808.70381 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-10-29", "window": { "start": { "local": "1965-10-29T12:08:59+08:00", "utc": "1965-10-29T04:08:59Z", "ms": -131745061426.99872 }, "end": { "local": "1965-10-29T12:56:59+08:00", "utc": "1965-10-29T04:56:59Z", "ms": -131742181426.99872 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-10-30", "window": { "start": { "local": "1965-10-30T12:08:55+08:00", "utc": "1965-10-30T04:08:55Z", "ms": -131658664984.8778 }, "end": { "local": "1965-10-30T12:56:55+08:00", "utc": "1965-10-30T04:56:55Z", "ms": -131655784984.8778 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:48 on Fri 29 Oct to 00:48 on Sun 31 Oct.", "fact": "1965-10-29T14:47:43Z → 1965-10-30T16:48:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 29th, 12:09–12:57 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35444 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Qingyang, 1965: Saturday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-10-30", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Chhath) 1965 falls on Saturday 30 October. Ṣaṣṭhī runs from 22:48 on Fri 29 Oct to 00:48 on Sun 31 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23253, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1965-11-01T03:10:41+08:00", "utc": "1965-10-31T19:10:41Z", "ms": -131518158657.02399 }, "end": { "local": "1965-11-02T05:41:16+08:00", "utc": "1965-11-01T21:41:16Z", "ms": -131422724473.15639 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-11-01T03:10:41+08:00", "utc": "1965-10-31T19:10:41Z", "ms": -131518158657.02399 }, "end": { "local": "1965-11-02T05:41:16+08:00", "utc": "1965-11-01T21:41:16Z", "ms": -131422724473.15639 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-11-01", "window": { "start": { "local": "1965-11-01T12:08:50+08:00", "utc": "1965-11-01T04:08:50Z", "ms": -131485869798.2389 }, "end": { "local": "1965-11-01T12:56:50+08:00", "utc": "1965-11-01T04:56:50Z", "ms": -131482989798.2389 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-11-02", "window": { "start": { "local": "1965-11-02T12:08:49+08:00", "utc": "1965-11-02T04:08:49Z", "ms": -131399471034.72409 }, "end": { "local": "1965-11-02T12:56:49+08:00", "utc": "1965-11-02T04:56:49Z", "ms": -131396591034.72409 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:11 on Mon 1 Nov to 05:41 on Tue 2 Nov.", "fact": "1965-10-31T19:10:41Z → 1965-11-01T21:41:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 1st, 12:09–12:57 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23253 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Qingyang, 1965: Monday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-01", "confidence": "determinate" } ], "quote": "In Qingyang, Gopāṣṭamī 1965 falls on Monday 1 November. Aṣṭamī runs from 03:11 on Mon 1 Nov to 05:41 on Tue 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-02", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 3149, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1965-11-02T05:41:16+08:00", "utc": "1965-11-01T21:41:16Z", "ms": -131422724473.15639 }, "end": { "local": "1965-11-03T08:05:37+08:00", "utc": "1965-11-03T00:05:37Z", "ms": -131327662592.62668 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-11-02T05:41:16+08:00", "utc": "1965-11-01T21:41:16Z", "ms": -131422724473.15639 }, "end": { "local": "1965-11-03T08:05:37+08:00", "utc": "1965-11-03T00:05:37Z", "ms": -131327662592.62668 } }, "kaala": "purvahna", "days": [ { "local_date": "1965-11-02", "window": { "start": { "local": "1965-11-02T07:12:11+08:00", "utc": "1965-11-01T23:12:11Z", "ms": -131417269291.69177 }, "end": { "local": "1965-11-02T10:45:56+08:00", "utc": "1965-11-02T02:45:56Z", "ms": -131404443787.04666 } }, "covered_min": 214, "window_min": 214, "qualifies": true }, { "local_date": "1965-11-03", "window": { "start": { "local": "1965-11-03T07:13:09+08:00", "utc": "1965-11-02T23:13:09Z", "ms": -131330811127.27477 }, "end": { "local": "1965-11-03T10:46:15+08:00", "utc": "1965-11-03T02:46:15Z", "ms": -131318024694.9329 } }, "covered_min": 52, "window_min": 213, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:41 on Tue 2 Nov to 08:06 on Wed 3 Nov.", "fact": "1965-11-01T21:41:16Z → 1965-11-03T00:05:37Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:12–10:46 on the 2nd, 07:13–10:46 on the 3rd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 214 of 214 minutes on the 2nd and 52 of 213 on the 3rd.", "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 3149 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Qingyang, 1965: Tuesday 2 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": "1965-11-02", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-02", "confidence": "boundary" } ], "quote": "In Qingyang, Akṣaya Navamī (Amla Navami) 1965 falls on Tuesday 2 November. Navamī runs from 05:41 on Tue 2 Nov to 08:06 on Wed 3 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the next forenoon for 52 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/qingyang/festivals/1965/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": "/qingyang/festivals/1965/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14591, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1965-11-02T05:41:16+08:00", "utc": "1965-11-01T21:41:16Z", "ms": -131422724473.15639 }, "end": { "local": "1965-11-03T08:05:37+08:00", "utc": "1965-11-03T00:05:37Z", "ms": -131327662592.62668 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-11-02T05:41:16+08:00", "utc": "1965-11-01T21:41:16Z", "ms": -131422724473.15639 }, "end": { "local": "1965-11-03T08:05:37+08:00", "utc": "1965-11-03T00:05:37Z", "ms": -131327662592.62668 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-11-02", "window": { "start": { "local": "1965-11-02T12:08:49+08:00", "utc": "1965-11-02T04:08:49Z", "ms": -131399471034.72409 }, "end": { "local": "1965-11-02T12:56:49+08:00", "utc": "1965-11-02T04:56:49Z", "ms": -131396591034.72409 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-11-03", "window": { "start": { "local": "1965-11-03T12:08:49+08:00", "utc": "1965-11-03T04:08:49Z", "ms": -131313071478.76198 }, "end": { "local": "1965-11-03T12:56:49+08:00", "utc": "1965-11-03T04:56:49Z", "ms": -131310191478.76198 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:41 on Tue 2 Nov to 08:06 on Wed 3 Nov.", "fact": "1965-11-01T21:41:16Z → 1965-11-03T00:05:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 2nd, 12:09–12:57 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14591 s" }, { "step": "ruling", "text": "Durgā Navamī, Qingyang, 1965: Tuesday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-02", "confidence": "determinate" } ], "quote": "In Qingyang, Durgā Navamī 1965 falls on Tuesday 2 November. Navamī runs from 05:41 on Tue 2 Nov to 08:06 on Wed 3 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-11-05", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10600, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-11-04T10:10:47+08:00", "utc": "1965-11-04T02:10:47Z", "ms": -131233752758.4782 }, "end": { "local": "1965-11-05T11:46:52+08:00", "utc": "1965-11-05T03:46:52Z", "ms": -131141588495.46606 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-11-04T10:10:47+08:00", "utc": "1965-11-04T02:10:47Z", "ms": -131233752758.4782 }, "end": { "local": "1965-11-05T11:46:52+08:00", "utc": "1965-11-05T03:46:52Z", "ms": -131141588495.46606 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-11-04", "window": { "start": { "local": "1965-11-04T07:14:07+08:00", "utc": "1965-11-03T23:14:07Z", "ms": -131244352719.03813 }, "end": { "local": "1965-11-04T07:14:07+08:00", "utc": "1965-11-03T23:14:07Z", "ms": -131244352719.03813 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-11-05", "window": { "start": { "local": "1965-11-05T07:15:06+08:00", "utc": "1965-11-04T23:15:06Z", "ms": -131157894081.64903 }, "end": { "local": "1965-11-05T07:15:06+08:00", "utc": "1965-11-04T23:15:06Z", "ms": -131157894081.64903 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:11 on Thu 4 Nov to 11:47 on Fri 5 Nov.", "fact": "1965-11-04T02:10:47Z → 1965-11-05T03:46:52Z" }, { "step": "kaala", "text": "Sunrise is at 07:14 on the 4th and 07:15 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10600 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Qingyang, 1965: Friday 5 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": "1965-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-05", "confidence": "determinate" } ], "quote": "In Qingyang, Prabodhinī Ekādaśī 1965 falls on Friday 5 November. Ekādaśī runs from 10:11 on Thu 4 Nov to 11:47 on Fri 5 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-11-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16618, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-11-06T12:47:53+08:00", "utc": "1965-11-06T04:47:53Z", "ms": -131051526971.8496 }, "end": { "local": "1965-11-07T13:11:48+08:00", "utc": "1965-11-07T05:11:48Z", "ms": -130963692297.16473 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-11-06T12:47:53+08:00", "utc": "1965-11-06T04:47:53Z", "ms": -131051526971.8496 }, "end": { "local": "1965-11-07T13:11:48+08:00", "utc": "1965-11-07T05:11:48Z", "ms": -130963692297.16473 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-11-06", "window": { "start": { "local": "1965-11-06T17:49:39+08:00", "utc": "1965-11-06T09:49:39Z", "ms": -131033420705.95552 }, "end": { "local": "1965-11-06T19:37:19+08:00", "utc": "1965-11-06T11:37:19Z", "ms": -131026961435.88628 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1965-11-07", "window": { "start": { "local": "1965-11-07T17:48:46+08:00", "utc": "1965-11-07T09:48:46Z", "ms": -130947074130.42162 }, "end": { "local": "1965-11-07T19:36:40+08:00", "utc": "1965-11-07T11:36:40Z", "ms": -130940599839.45114 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:48 on Sat 6 Nov to 13:12 on Sun 7 Nov.", "fact": "1965-11-06T04:47:53Z → 1965-11-07T05:11:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:37 on the 6th, 17:49–19:37 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 6th and 0 of 108 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16618 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1965: Saturday 6 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": "1965-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-06", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1965 falls on Saturday 6 November. Trayodaśī runs from 12:48 on Sat 6 Nov to 13:12 on Sun 7 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-11-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40184, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-11-08T12:59:44+08:00", "utc": "1965-11-08T04:59:44Z", "ms": -130878015585.37845 }, "end": { "local": "1965-11-09T12:15:09+08:00", "utc": "1965-11-09T04:15:09Z", "ms": -130794290602.63231 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-11-08T12:59:44+08:00", "utc": "1965-11-08T04:59:44Z", "ms": -130878015585.37845 }, "end": { "local": "1965-11-09T12:15:09+08:00", "utc": "1965-11-09T04:15:09Z", "ms": -130794290602.63231 } }, "kaala": "nishita", "days": [ { "local_date": "1965-11-08", "window": { "start": { "local": "1965-11-09T00:09:28+08:00", "utc": "1965-11-08T16:09:28Z", "ms": -130837831808.80093 }, "end": { "local": "1965-11-09T00:57:28+08:00", "utc": "1965-11-08T16:57:28Z", "ms": -130834951808.80093 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-11-09", "window": { "start": { "local": "1965-11-10T00:09:33+08:00", "utc": "1965-11-09T16:09:33Z", "ms": -130751427244.36708 }, "end": { "local": "1965-11-10T00:57:33+08:00", "utc": "1965-11-09T16:57:33Z", "ms": -130748547244.36708 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:00 on Mon 8 Nov to 12:15 on Tue 9 Nov.", "fact": "1965-11-08T04:59:44Z → 1965-11-09T04:15:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 8th, 00:10–00:58 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 40184 s" }, { "step": "ruling", "text": "Rāsayātrā, Qingyang, 1965: Monday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rasayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-08", "confidence": "determinate" } ], "quote": "In Qingyang, Rāsayātrā 1965 falls on Monday 8 November. Pūrṇimā runs from 13:00 on Mon 8 Nov to 12:15 on Tue 9 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-09", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 166, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-11-08T12:59:44+08:00", "utc": "1965-11-08T04:59:44Z", "ms": -130878015585.37845 }, "end": { "local": "1965-11-09T12:15:09+08:00", "utc": "1965-11-09T04:15:09Z", "ms": -130794290602.63231 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1965-11-08T12:59:44+08:00", "utc": "1965-11-08T04:59:44Z", "ms": -130878015585.37845 }, "end": { "local": "1965-11-09T12:15:09+08:00", "utc": "1965-11-09T04:15:09Z", "ms": -130794290602.63231 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-11-08", "window": { "start": { "local": "1965-11-08T12:08:58+08:00", "utc": "1965-11-08T04:08:58Z", "ms": -130881061507.96484 }, "end": { "local": "1965-11-08T12:56:58+08:00", "utc": "1965-11-08T04:56:58Z", "ms": -130878181507.96484 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-11-09", "window": { "start": { "local": "1965-11-09T12:09:03+08:00", "utc": "1965-11-09T04:09:03Z", "ms": -130794657017.98036 }, "end": { "local": "1965-11-09T12:57:03+08:00", "utc": "1965-11-09T04:57:03Z", "ms": -130791777017.98036 } }, "covered_min": 6, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:00 on Mon 8 Nov to 12:15 on Tue 9 Nov.", "fact": "1965-11-08T04:59:44Z → 1965-11-09T04:15:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 8th, 12:09–12:57 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 6 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 166 s < 300 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Qingyang, 1965: Tuesday 9 November.", "fact": "confidence: boundary (margin)" } ], "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": "1965-11-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-09", "confidence": "boundary" } ], "quote": "In Qingyang, Kārtikī Pūrṇimā 1965 falls on Tuesday 9 November. Pūrṇimā runs from 13:00 on Mon 8 Nov to 12:15 on Tue 9 Nov and covers 6 of 48 minutes of madhyāhna that midday. It is 2 min 46 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/sankashta-chaturthi?on=1965-11-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33388, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-11-12T07:36:50+08:00", "utc": "1965-11-11T23:36:50Z", "ms": -130551789569.63095 }, "end": { "local": "1965-11-13T05:33:46+08:00", "utc": "1965-11-12T21:33:46Z", "ms": -130472773551.77625 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-11-12T07:36:50+08:00", "utc": "1965-11-11T23:36:50Z", "ms": -130551789569.63095 }, "end": { "local": "1965-11-13T05:33:46+08:00", "utc": "1965-11-12T21:33:46Z", "ms": -130472773551.77625 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-11-11", "window": { "start": { "local": "1965-11-11T19:23:34+08:00", "utc": "1965-11-11T11:23:34Z", "ms": -130595786069.32996 }, "end": { "local": "1965-11-11T19:23:34+08:00", "utc": "1965-11-11T11:23:34Z", "ms": -130595786069.32996 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-11-12", "window": { "start": { "local": "1965-11-12T20:17:18+08:00", "utc": "1965-11-12T12:17:18Z", "ms": -130506161874.55145 }, "end": { "local": "1965-11-12T20:17:18+08:00", "utc": "1965-11-12T12:17:18Z", "ms": -130506161874.55145 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:37 on Fri 12 Nov to 05:34 on Sat 13 Nov.", "fact": "1965-11-11T23:36:50Z → 1965-11-12T21:33:46Z" }, { "step": "kaala", "text": "Moonrise is at 19:24 on the 11th and 20:17 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33388 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1965: Friday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-12", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1965 falls on Friday 12 November. Caturthī runs from 07:37 on Fri 12 Nov to 05:34 on Sat 13 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/sankashta-chaturthi?on=1965-11-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/ekadashi?on=1965-11-19", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28185, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-11-18T16:57:09+08:00", "utc": "1965-11-18T08:57:09Z", "ms": -129999771397.73706 }, "end": { "local": "1965-11-19T15:18:46+08:00", "utc": "1965-11-19T07:18:46Z", "ms": -129919273786.85478 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-11-18T16:57:09+08:00", "utc": "1965-11-18T08:57:09Z", "ms": -129999771397.73706 }, "end": { "local": "1965-11-19T15:18:46+08:00", "utc": "1965-11-19T07:18:46Z", "ms": -129919273786.85478 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-11-18", "window": { "start": { "local": "1965-11-18T07:28:01+08:00", "utc": "1965-11-17T23:28:01Z", "ms": -130033918873.41534 }, "end": { "local": "1965-11-18T07:28:01+08:00", "utc": "1965-11-17T23:28:01Z", "ms": -130033918873.41534 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1965-11-19", "window": { "start": { "local": "1965-11-19T07:29:01+08:00", "utc": "1965-11-18T23:29:01Z", "ms": -129947459063.14264 }, "end": { "local": "1965-11-19T07:29:01+08:00", "utc": "1965-11-18T23:29:01Z", "ms": -129947459063.14264 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:57 on Thu 18 Nov to 15:19 on Fri 19 Nov.", "fact": "1965-11-18T08:57:09Z → 1965-11-19T07:18:46Z" }, { "step": "kaala", "text": "Sunrise is at 07:28 on the 18th and 07:29 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28185 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Qingyang, 1965: Friday 19 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": "1965-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-19", "confidence": "determinate" } ], "quote": "In Qingyang, Utpannā Ekādaśī 1965 falls on Friday 19 November. Ekādaśī runs from 16:57 on Thu 18 Nov to 15:19 on Fri 19 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-11-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-11-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13355, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-11-20T13:57:03+08:00", "utc": "1965-11-20T05:57:03Z", "ms": -129837777150.27943 }, "end": { "local": "1965-11-21T12:55:45+08:00", "utc": "1965-11-21T04:55:45Z", "ms": -129755055058.99547 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-11-20T13:57:03+08:00", "utc": "1965-11-20T05:57:03Z", "ms": -129837777150.27943 }, "end": { "local": "1965-11-21T12:55:45+08:00", "utc": "1965-11-21T04:55:45Z", "ms": -129755055058.99547 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-11-20", "window": { "start": { "local": "1965-11-20T17:39:38+08:00", "utc": "1965-11-20T09:39:38Z", "ms": -129824422116.72527 }, "end": { "local": "1965-11-20T19:30:29+08:00", "utc": "1965-11-20T11:30:29Z", "ms": -129817771153.35419 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "1965-11-21", "window": { "start": { "local": "1965-11-21T17:39:08+08:00", "utc": "1965-11-21T09:39:08Z", "ms": -129738052018.93817 }, "end": { "local": "1965-11-21T19:30:11+08:00", "utc": "1965-11-21T11:30:11Z", "ms": -129731389165.13524 } }, "covered_min": 0, "window_min": 111, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:57 on Sat 20 Nov to 12:56 on Sun 21 Nov.", "fact": "1965-11-20T05:57:03Z → 1965-11-21T04:55:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:30 on the 20th, 17:39–19:30 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 111 of 111 minutes on the 20th and 0 of 111 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13355 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1965: Saturday 20 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": "1965-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-20", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1965 falls on Saturday 20 November. Trayodaśī runs from 13:57 on Sat 20 Nov to 12:56 on Sun 21 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/shivaratri?on=1965-11-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40549, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-11-21T12:55:45+08:00", "utc": "1965-11-21T04:55:45Z", "ms": -129755055058.99547 }, "end": { "local": "1965-11-22T12:18:47+08:00", "utc": "1965-11-22T04:18:47Z", "ms": -129670873417.0985 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-11-21T12:55:45+08:00", "utc": "1965-11-21T04:55:45Z", "ms": -129755055058.99547 }, "end": { "local": "1965-11-22T12:18:47+08:00", "utc": "1965-11-22T04:18:47Z", "ms": -129670873417.0985 } }, "kaala": "nishita", "days": [ { "local_date": "1965-11-21", "window": { "start": { "local": "1965-11-22T00:11:34+08:00", "utc": "1965-11-21T16:11:34Z", "ms": -129714506317.17715 }, "end": { "local": "1965-11-22T00:59:34+08:00", "utc": "1965-11-21T16:59:34Z", "ms": -129711626317.17715 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-11-22", "window": { "start": { "local": "1965-11-23T00:11:49+08:00", "utc": "1965-11-22T16:11:49Z", "ms": -129628090832.48203 }, "end": { "local": "1965-11-23T00:59:49+08:00", "utc": "1965-11-22T16:59:49Z", "ms": -129625210832.48203 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:56 on Sun 21 Nov to 12:19 on Mon 22 Nov.", "fact": "1965-11-21T04:55:45Z → 1965-11-22T04:18:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 21st, 00:12–01:00 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 40549 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1965: Sunday 21 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": "1965-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-21", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1965 falls on Sunday 21 November. Caturdaśī runs from 12:56 on Sun 21 Nov to 12:19 on Mon 22 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1965/shivaratri?on=1965-11-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-11-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6832, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-11-26T14:54:22+08:00", "utc": "1965-11-26T06:54:22Z", "ms": -129315938105.41217 }, "end": { "local": "1965-11-27T16:50:54+08:00", "utc": "1965-11-27T08:50:54Z", "ms": -129222546278.00893 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-11-26T14:54:22+08:00", "utc": "1965-11-26T06:54:22Z", "ms": -129315938105.41217 }, "end": { "local": "1965-11-27T16:50:54+08:00", "utc": "1965-11-27T08:50:54Z", "ms": -129222546278.00893 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-11-26", "window": { "start": { "local": "1965-11-26T12:12:30+08:00", "utc": "1965-11-26T04:12:30Z", "ms": -129325649971.83618 }, "end": { "local": "1965-11-26T13:00:30+08:00", "utc": "1965-11-26T05:00:30Z", "ms": -129322769971.83618 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-11-27", "window": { "start": { "local": "1965-11-27T12:12:50+08:00", "utc": "1965-11-27T04:12:50Z", "ms": -129239230493.15027 }, "end": { "local": "1965-11-27T13:00:50+08:00", "utc": "1965-11-27T05:00:50Z", "ms": -129236350493.15027 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:54 on Fri 26 Nov to 16:51 on Sat 27 Nov.", "fact": "1965-11-26T06:54:22Z → 1965-11-27T08:50:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 26th, 12:13–13:01 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6832 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1965: Saturday 27 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-27", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1965 falls on Saturday 27 November. Caturthī runs from 14:54 on Fri 26 Nov to 16:51 on Sat 27 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13804, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1965-11-27T16:50:54+08:00", "utc": "1965-11-27T08:50:54Z", "ms": -129222546278.00893 }, "end": { "local": "1965-11-28T19:09:55+08:00", "utc": "1965-11-28T11:09:55Z", "ms": -129127804730.31104 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-11-27T16:50:54+08:00", "utc": "1965-11-27T08:50:54Z", "ms": -129222546278.00893 }, "end": { "local": "1965-11-28T19:09:55+08:00", "utc": "1965-11-28T11:09:55Z", "ms": -129127804730.31104 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-11-27", "window": { "start": { "local": "1965-11-27T12:12:50+08:00", "utc": "1965-11-27T04:12:50Z", "ms": -129239230493.15027 }, "end": { "local": "1965-11-27T13:00:50+08:00", "utc": "1965-11-27T05:00:50Z", "ms": -129236350493.15027 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-11-28", "window": { "start": { "local": "1965-11-28T12:13:10+08:00", "utc": "1965-11-28T04:13:10Z", "ms": -129152810296.5011 }, "end": { "local": "1965-11-28T13:01:10+08:00", "utc": "1965-11-28T05:01:10Z", "ms": -129149930296.5011 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:51 on Sat 27 Nov to 19:10 on Sun 28 Nov.", "fact": "1965-11-27T08:50:54Z → 1965-11-28T11:09:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 27th, 12:13–13:01 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13804 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Qingyang, 1965: Sunday 28 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-28", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī (Mārgaśīrṣa) 1965 falls on Sunday 28 November. Pañcamī runs from 16:51 on Sat 27 Nov to 19:10 on Sun 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22126, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1965-11-28T19:09:55+08:00", "utc": "1965-11-28T11:09:55Z", "ms": -129127804730.31104 }, "end": { "local": "1965-11-29T21:41:26+08:00", "utc": "1965-11-29T13:41:26Z", "ms": -129032314115.52278 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-11-28T19:09:55+08:00", "utc": "1965-11-28T11:09:55Z", "ms": -129127804730.31104 }, "end": { "local": "1965-11-29T21:41:26+08:00", "utc": "1965-11-29T13:41:26Z", "ms": -129032314115.52278 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-11-28", "window": { "start": { "local": "1965-11-28T12:13:10+08:00", "utc": "1965-11-28T04:13:10Z", "ms": -129152810296.5011 }, "end": { "local": "1965-11-28T13:01:10+08:00", "utc": "1965-11-28T05:01:10Z", "ms": -129149930296.5011 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-11-29", "window": { "start": { "local": "1965-11-29T12:13:31+08:00", "utc": "1965-11-29T04:13:31Z", "ms": -129066389401.43765 }, "end": { "local": "1965-11-29T13:01:31+08:00", "utc": "1965-11-29T05:01:31Z", "ms": -129063509401.43765 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:10 on Sun 28 Nov to 21:41 on Mon 29 Nov.", "fact": "1965-11-28T11:09:55Z → 1965-11-29T13:41:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 28th, 12:14–13:02 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22126 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Qingyang, 1965: Monday 29 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-29", "confidence": "determinate" } ], "quote": "In Qingyang, Campā Ṣaṣṭhī 1965 falls on Monday 29 November. Ṣaṣṭhī runs from 19:10 on Sun 28 Nov to 21:41 on Mon 29 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22126, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1965-11-28T19:09:55+08:00", "utc": "1965-11-28T11:09:55Z", "ms": -129127804730.31104 }, "end": { "local": "1965-11-29T21:41:26+08:00", "utc": "1965-11-29T13:41:26Z", "ms": -129032314115.52278 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-11-28T19:09:55+08:00", "utc": "1965-11-28T11:09:55Z", "ms": -129127804730.31104 }, "end": { "local": "1965-11-29T21:41:26+08:00", "utc": "1965-11-29T13:41:26Z", "ms": -129032314115.52278 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-11-28", "window": { "start": { "local": "1965-11-28T12:13:10+08:00", "utc": "1965-11-28T04:13:10Z", "ms": -129152810296.5011 }, "end": { "local": "1965-11-28T13:01:10+08:00", "utc": "1965-11-28T05:01:10Z", "ms": -129149930296.5011 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-11-29", "window": { "start": { "local": "1965-11-29T12:13:31+08:00", "utc": "1965-11-29T04:13:31Z", "ms": -129066389401.43765 }, "end": { "local": "1965-11-29T13:01:31+08:00", "utc": "1965-11-29T05:01:31Z", "ms": -129063509401.43765 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:10 on Sun 28 Nov to 21:41 on Mon 29 Nov.", "fact": "1965-11-28T11:09:55Z → 1965-11-29T13:41:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 28th, 12:14–13:02 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22126 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Qingyang, 1965: Monday 29 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-29", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī 1965 falls on Monday 29 November. Ṣaṣṭhī runs from 19:10 on Sun 28 Nov to 21:41 on Mon 29 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31195, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1965-11-29T21:41:26+08:00", "utc": "1965-11-29T13:41:26Z", "ms": -129032314115.52278 }, "end": { "local": "1965-12-01T00:12:51+08:00", "utc": "1965-11-30T16:12:51Z", "ms": -128936828976.23964 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-11-29T21:41:26+08:00", "utc": "1965-11-29T13:41:26Z", "ms": -129032314115.52278 }, "end": { "local": "1965-12-01T00:12:51+08:00", "utc": "1965-11-30T16:12:51Z", "ms": -128936828976.23964 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-11-29", "window": { "start": { "local": "1965-11-29T12:13:31+08:00", "utc": "1965-11-29T04:13:31Z", "ms": -129066389401.43765 }, "end": { "local": "1965-11-29T13:01:31+08:00", "utc": "1965-11-29T05:01:31Z", "ms": -129063509401.43765 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-11-30", "window": { "start": { "local": "1965-11-30T12:13:52+08:00", "utc": "1965-11-30T04:13:52Z", "ms": -128979967828.10275 }, "end": { "local": "1965-11-30T13:01:52+08:00", "utc": "1965-11-30T05:01:52Z", "ms": -128977087828.10275 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 21:41 on Mon 29 Nov to 00:13 on Wed 1 Dec.", "fact": "1965-11-29T13:41:26Z → 1965-11-30T16:12:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 29th, 12:14–13:02 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31195 s" }, { "step": "ruling", "text": "Mitra Saptamī, Qingyang, 1965: Tuesday 30 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-11-30", "confidence": "determinate" } ], "quote": "In Qingyang, Mitra Saptamī 1965 falls on Tuesday 30 November. Saptamī runs from 21:41 on Mon 29 Nov to 00:13 on Wed 1 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/ekadashi?on=1965-12-04", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5689, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-12-04T05:36:55+08:00", "utc": "1965-12-03T21:36:55Z", "ms": -128658184738.48552 }, "end": { "local": "1965-12-05T06:09:19+08:00", "utc": "1965-12-04T22:09:19Z", "ms": -128569840505.4173 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-12-04T05:36:55+08:00", "utc": "1965-12-03T21:36:55Z", "ms": -128658184738.48552 }, "end": { "local": "1965-12-05T06:09:19+08:00", "utc": "1965-12-04T22:09:19Z", "ms": -128569840505.4173 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-12-04", "window": { "start": { "local": "1965-12-04T07:43:16+08:00", "utc": "1965-12-03T23:43:16Z", "ms": -128650603837.07814 }, "end": { "local": "1965-12-04T07:43:16+08:00", "utc": "1965-12-03T23:43:16Z", "ms": -128650603837.07814 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-12-05", "window": { "start": { "local": "1965-12-05T07:44:08+08:00", "utc": "1965-12-04T23:44:08Z", "ms": -128564151791.97322 }, "end": { "local": "1965-12-05T07:44:08+08:00", "utc": "1965-12-04T23:44:08Z", "ms": -128564151791.97322 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:37 on Sat 4 Dec to 06:09 on Sun 5 Dec.", "fact": "1965-12-03T21:36:55Z → 1965-12-04T22:09:19Z" }, { "step": "kaala", "text": "Sunrise is at 07:43 on the 4th and 07:44 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5689 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Qingyang, 1965: Saturday 4 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-12-04", "confidence": "determinate" } ], "quote": "In Qingyang, Mokṣadā Ekādaśī 1965 falls on Saturday 4 December. Ekādaśī runs from 05:37 on Sat 4 Dec to 06:09 on Sun 5 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-12-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21990, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1965-12-05T06:09:19+08:00", "utc": "1965-12-04T22:09:19Z", "ms": -128569840505.4173 }, "end": { "local": "1965-12-06T05:57:01+08:00", "utc": "1965-12-05T21:57:01Z", "ms": -128484178682.81992 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-12-05T06:09:19+08:00", "utc": "1965-12-04T22:09:19Z", "ms": -128569840505.4173 }, "end": { "local": "1965-12-06T05:57:01+08:00", "utc": "1965-12-05T21:57:01Z", "ms": -128484178682.81992 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-12-05", "window": { "start": { "local": "1965-12-05T12:15:49+08:00", "utc": "1965-12-05T04:15:49Z", "ms": -128547850531.63948 }, "end": { "local": "1965-12-05T13:03:49+08:00", "utc": "1965-12-05T05:03:49Z", "ms": -128544970531.63948 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-12-06", "window": { "start": { "local": "1965-12-06T12:16:15+08:00", "utc": "1965-12-06T04:16:15Z", "ms": -128461425341.43079 }, "end": { "local": "1965-12-06T13:04:15+08:00", "utc": "1965-12-06T05:04:15Z", "ms": -128458545341.43079 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:09 on Sun 5 Dec to 05:57 on Mon 6 Dec.", "fact": "1965-12-04T22:09:19Z → 1965-12-05T21:57:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 5th, 12:16–13:04 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21990 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Qingyang, 1965: Sunday 5 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-12-05", "confidence": "determinate" } ], "quote": "In Qingyang, Akhaṇḍa Dvādaśī 1965 falls on Sunday 5 December. Dvādaśī runs from 06:09 on Sun 5 Dec to 05:57 on Mon 6 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/pradosha-vrata?on=1965-12-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34362, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-12-06T05:57:01+08:00", "utc": "1965-12-05T21:57:01Z", "ms": -128484178682.81992 }, "end": { "local": "1965-12-07T05:01:34+08:00", "utc": "1965-12-06T21:01:34Z", "ms": -128401105914.30136 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-12-06T05:57:01+08:00", "utc": "1965-12-05T21:57:01Z", "ms": -128484178682.81992 }, "end": { "local": "1965-12-07T05:01:34+08:00", "utc": "1965-12-06T21:01:34Z", "ms": -128401105914.30136 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-12-05", "window": { "start": { "local": "1965-12-05T17:35:31+08:00", "utc": "1965-12-05T09:35:31Z", "ms": -128528669271.30574 }, "end": { "local": "1965-12-05T19:28:47+08:00", "utc": "1965-12-05T11:28:47Z", "ms": -128521873453.80165 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "1965-12-06", "window": { "start": { "local": "1965-12-06T17:35:30+08:00", "utc": "1965-12-06T09:35:30Z", "ms": -128442270042.83646 }, "end": { "local": "1965-12-06T19:28:53+08:00", "utc": "1965-12-06T11:28:53Z", "ms": -128435467427.30412 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:57 on Mon 6 Dec to 05:02 on Tue 7 Dec.", "fact": "1965-12-05T21:57:01Z → 1965-12-06T21:01:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:29 on the 5th, 17:35–19:29 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 113 minutes on the 5th and 113 of 113 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34362 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1965: Monday 6 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": "1965-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-12-06", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1965 falls on Monday 6 December. Trayodaśī runs from 05:57 on Mon 6 Dec to 05:02 on Tue 7 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-12-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21117, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1965-12-08T03:27:26+08:00", "utc": "1965-12-07T19:27:26Z", "ms": -128320354240.57025 }, "end": { "local": "1965-12-09T01:21:07+08:00", "utc": "1965-12-08T17:21:07Z", "ms": -128241533113.78789 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-12-08T03:27:26+08:00", "utc": "1965-12-07T19:27:26Z", "ms": -128320354240.57025 }, "end": { "local": "1965-12-09T01:21:07+08:00", "utc": "1965-12-08T17:21:07Z", "ms": -128241533113.78789 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-12-07", "window": { "start": { "local": "1965-12-07T17:35:31+08:00", "utc": "1965-12-07T09:35:31Z", "ms": -128355868827.88786 }, "end": { "local": "1965-12-07T19:29:00+08:00", "utc": "1965-12-07T11:29:00Z", "ms": -128349059810.14978 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "1965-12-08", "window": { "start": { "local": "1965-12-08T17:35:34+08:00", "utc": "1965-12-08T09:35:34Z", "ms": -128269465628.24829 }, "end": { "local": "1965-12-08T19:29:09+08:00", "utc": "1965-12-08T11:29:09Z", "ms": -128262650609.6129 } }, "covered_min": 114, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:27 on Wed 8 Dec to 01:21 on Thu 9 Dec.", "fact": "1965-12-07T19:27:26Z → 1965-12-08T17:21:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:29 on the 7th, 17:36–19:29 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 113 minutes on the 7th and 114 of 114 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21117 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Qingyang, 1965: Wednesday 8 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": "1965-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-12-08", "confidence": "determinate" } ], "quote": "In Qingyang, Dattātreyotpatti (Datta Jayanti) 1965 falls on Wednesday 8 December. Pūrṇimā runs from 03:27 on Wed 8 Dec to 01:21 on Thu 9 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/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": "/qingyang/festivals/1965/sankashta-chaturthi?on=1965-12-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11092, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-12-11T17:09:19+08:00", "utc": "1965-12-11T09:09:19Z", "ms": -128011840900.30315 }, "end": { "local": "1965-12-12T14:15:38+08:00", "utc": "1965-12-12T06:15:38Z", "ms": -127935862401.59665 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-12-11T17:09:19+08:00", "utc": "1965-12-11T09:09:19Z", "ms": -128011840900.30315 }, "end": { "local": "1965-12-12T14:15:38+08:00", "utc": "1965-12-12T06:15:38Z", "ms": -127935862401.59665 } }, "kaala": "moonrise", "days": [ { "local_date": "1965-12-11", "window": { "start": { "local": "1965-12-11T20:14:12+08:00", "utc": "1965-12-11T12:14:12Z", "ms": -128000748495.31018 }, "end": { "local": "1965-12-11T20:14:12+08:00", "utc": "1965-12-11T12:14:12Z", "ms": -128000748495.31018 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-12-12", "window": { "start": { "local": "1965-12-12T21:26:34+08:00", "utc": "1965-12-12T13:26:34Z", "ms": -127910006447.25148 }, "end": { "local": "1965-12-12T21:26:34+08:00", "utc": "1965-12-12T13:26:34Z", "ms": -127910006447.25148 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:09 on Sat 11 Dec to 14:16 on Sun 12 Dec.", "fact": "1965-12-11T09:09:19Z → 1965-12-12T06:15:38Z" }, { "step": "kaala", "text": "Moonrise is at 20:14 on the 11th and 21:27 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11092 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1965: Saturday 11 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": "1965-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-12-11", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1965 falls on Saturday 11 December. Caturthī runs from 17:09 on Sat 11 Dec to 14:16 on Sun 12 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/sankashta-chaturthi?on=1965-12-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/ekadashi?on=1965-12-18", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18354, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1965-12-18T02:47:54+08:00", "utc": "1965-12-17T18:47:54Z", "ms": -127458726190.20334 }, "end": { "local": "1965-12-19T02:22:30+08:00", "utc": "1965-12-18T18:22:30Z", "ms": -127373849785.34952 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-12-18T02:47:54+08:00", "utc": "1965-12-17T18:47:54Z", "ms": -127458726190.20334 }, "end": { "local": "1965-12-19T02:22:30+08:00", "utc": "1965-12-18T18:22:30Z", "ms": -127373849785.34952 } }, "kaala": "sunrise", "days": [ { "local_date": "1965-12-18", "window": { "start": { "local": "1965-12-18T07:53:48+08:00", "utc": "1965-12-17T23:53:48Z", "ms": -127440372341.82889 }, "end": { "local": "1965-12-18T07:53:48+08:00", "utc": "1965-12-17T23:53:48Z", "ms": -127440372341.82889 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1965-12-19", "window": { "start": { "local": "1965-12-19T07:54:23+08:00", "utc": "1965-12-18T23:54:23Z", "ms": -127353936766.44594 }, "end": { "local": "1965-12-19T07:54:23+08:00", "utc": "1965-12-18T23:54:23Z", "ms": -127353936766.44594 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:48 on Sat 18 Dec to 02:23 on Sun 19 Dec.", "fact": "1965-12-17T18:47:54Z → 1965-12-18T18:22:30Z" }, { "step": "kaala", "text": "Sunrise is at 07:54 on the 18th and 07:54 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18354 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Qingyang, 1965: Saturday 18 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": "1965-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-12-18", "confidence": "determinate" } ], "quote": "In Qingyang, Saphalā Ekādaśī 1965 falls on Saturday 18 December. Ekādaśī runs from 02:48 on Sat 18 Dec to 02:23 on Sun 19 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1965/ekadashi?on=1965-12-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/pradosha-vrata?on=1965-12-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24697, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1965-12-20T02:24:09+08:00", "utc": "1965-12-19T18:24:09Z", "ms": -127287351418.48604 }, "end": { "local": "1965-12-21T02:51:58+08:00", "utc": "1965-12-20T18:51:58Z", "ms": -127199281650.74182 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-12-20T02:24:09+08:00", "utc": "1965-12-19T18:24:09Z", "ms": -127287351418.48604 }, "end": { "local": "1965-12-21T02:51:58+08:00", "utc": "1965-12-20T18:51:58Z", "ms": -127199281650.74182 } }, "kaala": "pradosha", "days": [ { "local_date": "1965-12-19", "window": { "start": { "local": "1965-12-19T17:38:18+08:00", "utc": "1965-12-19T09:38:18Z", "ms": -127318901594.88324 }, "end": { "local": "1965-12-19T19:32:32+08:00", "utc": "1965-12-19T11:32:32Z", "ms": -127312048408.48364 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "1965-12-20", "window": { "start": { "local": "1965-12-20T17:38:45+08:00", "utc": "1965-12-20T09:38:45Z", "ms": -127232475390.72734 }, "end": { "local": "1965-12-20T19:32:59+08:00", "utc": "1965-12-20T11:32:59Z", "ms": -127225621362.09254 } }, "covered_min": 114, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:24 on Mon 20 Dec to 02:52 on Tue 21 Dec.", "fact": "1965-12-19T18:24:09Z → 1965-12-20T18:51:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:38–19:33 on the 19th, 17:39–19:33 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 114 minutes on the 19th and 114 of 114 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24697 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1965: Monday 20 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": "1965-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-12-20", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1965 falls on Monday 20 December. Trayodaśī runs from 02:24 on Mon 20 Dec to 02:52 on Tue 21 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1965/pradosha-vrata?on=1965-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/shivaratri?on=1965-12-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6051, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1965-12-21T02:51:58+08:00", "utc": "1965-12-20T18:51:58Z", "ms": -127199281650.74182 }, "end": { "local": "1965-12-22T03:45:08+08:00", "utc": "1965-12-21T19:45:08Z", "ms": -127109691743.81091 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-12-21T02:51:58+08:00", "utc": "1965-12-20T18:51:58Z", "ms": -127199281650.74182 }, "end": { "local": "1965-12-22T03:45:08+08:00", "utc": "1965-12-21T19:45:08Z", "ms": -127109691743.81091 } }, "kaala": "nishita", "days": [ { "local_date": "1965-12-20", "window": { "start": { "local": "1965-12-21T00:23:07+08:00", "utc": "1965-12-20T16:23:07Z", "ms": -127208212783.34683 }, "end": { "local": "1965-12-21T01:11:07+08:00", "utc": "1965-12-20T17:11:07Z", "ms": -127205332783.34683 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1965-12-21", "window": { "start": { "local": "1965-12-22T00:23:37+08:00", "utc": "1965-12-21T16:23:37Z", "ms": -127121783332.40848 }, "end": { "local": "1965-12-22T01:11:37+08:00", "utc": "1965-12-21T17:11:37Z", "ms": -127118903332.40848 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:52 on Tue 21 Dec to 03:45 on Wed 22 Dec.", "fact": "1965-12-20T18:51:58Z → 1965-12-21T19:45:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:23–01:11 on the 20th, 00:24–01:12 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6051 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1965: Tuesday 21 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1965-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-12-21", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1965 falls on Tuesday 21 December. Caturdaśī runs from 02:52 on Tue 21 Dec to 03:45 on Wed 22 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1965/shivaratri?on=1965-12-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-12-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1965, "local_date": "1965-12-26", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1446, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1965-12-26T11:06:18+08:00", "utc": "1965-12-26T03:06:18Z", "ms": -126737622052.4772 }, "end": { "local": "1965-12-27T13:38:29+08:00", "utc": "1965-12-27T05:38:29Z", "ms": -126642090774.4715 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1965-12-26T11:06:18+08:00", "utc": "1965-12-26T03:06:18Z", "ms": -126737622052.4772 }, "end": { "local": "1965-12-27T13:38:29+08:00", "utc": "1965-12-27T05:38:29Z", "ms": -126642090774.4715 } }, "kaala": "madhyahna", "days": [ { "local_date": "1965-12-26", "window": { "start": { "local": "1965-12-26T12:25:53+08:00", "utc": "1965-12-26T04:25:53Z", "ms": -126732847284.45502 }, "end": { "local": "1965-12-26T13:13:53+08:00", "utc": "1965-12-26T05:13:53Z", "ms": -126729967284.45502 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1965-12-27", "window": { "start": { "local": "1965-12-27T12:26:23+08:00", "utc": "1965-12-27T04:26:23Z", "ms": -126646417194.34895 }, "end": { "local": "1965-12-27T13:14:23+08:00", "utc": "1965-12-27T05:14:23Z", "ms": -126643537194.34895 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:06 on Sun 26 Dec to 13:38 on Mon 27 Dec.", "fact": "1965-12-26T03:06:18Z → 1965-12-27T05:38:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 26th, 12:26–13:14 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1446 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1965: Sunday 26 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": "1965-12-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1965-12-26", "confidence": "boundary" } ], "quote": "In Qingyang, Vināyaka Caturthī 1965 falls on Sunday 26 December. Caturthī runs from 11:06 on Sun 26 Dec to 13:38 on Mon 27 Dec 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/qingyang/festivals/1965/vinayaka-chaturthi?on=1965-12-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }