{ "id": "/qingyang/festivals/1972", "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": 1972, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/qingyang/festivals/1972/sankashta-chaturthi?on=1972-01-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18807, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-01-04T02:06:15+08:00", "utc": "1972-01-03T18:06:15Z", "ms": 63309975273.567085 }, "end": { "local": "1972-01-05T02:43:41+08:00", "utc": "1972-01-04T18:43:41Z", "ms": 63398620942.938385 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-04T02:06:15+08:00", "utc": "1972-01-03T18:06:15Z", "ms": 63309975273.567085 }, "end": { "local": "1972-01-05T02:43:41+08:00", "utc": "1972-01-04T18:43:41Z", "ms": 63398620942.938385 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-01-03", "window": { "start": { "local": "1972-01-03T20:27:41+08:00", "utc": "1972-01-03T12:27:41Z", "ms": 63289660538.72572 }, "end": { "local": "1972-01-03T20:27:41+08:00", "utc": "1972-01-03T12:27:41Z", "ms": 63289660538.72572 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-01-04", "window": { "start": { "local": "1972-01-04T21:30:13+08:00", "utc": "1972-01-04T13:30:13Z", "ms": 63379813445.42242 }, "end": { "local": "1972-01-04T21:30:13+08:00", "utc": "1972-01-04T13:30:13Z", "ms": 63379813445.42242 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:06 on Tue 4 Jan to 02:44 on Wed 5 Jan.", "fact": "1972-01-03T18:06:15Z → 1972-01-04T18:43:41Z" }, { "step": "kaala", "text": "Moonrise is at 20:28 on the 3rd and 21:30 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18807 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1972: Tuesday 4 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": "1972-01-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-04", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1972 falls on Tuesday 4 January. Caturthī runs from 02:06 on Tue 4 Jan to 02:44 on Wed 5 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/sankashta-chaturthi?on=1972-01-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/ekadashi?on=1972-01-12", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27146, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-01-11T15:32:28+08:00", "utc": "1972-01-11T07:32:28Z", "ms": 63963148084.793 }, "end": { "local": "1972-01-12T17:21:32+08:00", "utc": "1972-01-12T09:21:32Z", "ms": 64056092262.94834 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-11T15:32:28+08:00", "utc": "1972-01-11T07:32:28Z", "ms": 63963148084.793 }, "end": { "local": "1972-01-12T17:21:32+08:00", "utc": "1972-01-12T09:21:32Z", "ms": 64056092262.94834 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-01-11", "window": { "start": { "local": "1972-01-11T08:00:02+08:00", "utc": "1972-01-11T00:00:02Z", "ms": 63936002114.757225 }, "end": { "local": "1972-01-11T08:00:02+08:00", "utc": "1972-01-11T00:00:02Z", "ms": 63936002114.757225 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-01-12", "window": { "start": { "local": "1972-01-12T07:59:55+08:00", "utc": "1972-01-11T23:59:55Z", "ms": 64022394871.71272 }, "end": { "local": "1972-01-12T07:59:55+08:00", "utc": "1972-01-11T23:59:55Z", "ms": 64022394871.71272 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:32 on Tue 11 Jan to 17:22 on Wed 12 Jan.", "fact": "1972-01-11T07:32:28Z → 1972-01-12T09:21:32Z" }, { "step": "kaala", "text": "Sunrise is at 08:00 on the 11th and 08:00 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 27146 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Qingyang, 1972: Wednesday 12 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-01-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-12", "confidence": "determinate" } ], "quote": "In Qingyang, Ṣaṭtilā Ekādaśī 1972 falls on Wednesday 12 January. Ekādaśī runs from 15:32 on Tue 11 Jan to 17:22 on Wed 12 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-01-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11525, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1972-01-14T21:09:05+08:00", "utc": "1972-01-14T13:09:05Z", "ms": 64242544860.86002 }, "end": { "local": "1972-02-13T10:05:39+08:00", "utc": "1972-02-13T02:05:39Z", "ms": 66794738785.50835 } }, "span": { "of": "transit", "start": { "local": "1972-01-14T21:09:05+08:00", "utc": "1972-01-14T13:09:05Z", "ms": 64242544860.86002 }, "end": { "local": "1972-01-14T21:09:05+08:00", "utc": "1972-01-14T13:09:05Z", "ms": 64242544860.86002 } }, "kaala": "sunset-day", "days": [ { "local_date": "1972-01-14", "window": { "start": { "local": "1972-01-13T17:56:02+08:00", "utc": "1972-01-13T09:56:02Z", "ms": 64144562377.883606 }, "end": { "local": "1972-01-14T17:57:00+08:00", "utc": "1972-01-14T09:57:00Z", "ms": 64231019796.35717 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1972-01-15", "window": { "start": { "local": "1972-01-14T17:57:00+08:00", "utc": "1972-01-14T09:57:00Z", "ms": 64231019796.35717 }, "end": { "local": "1972-01-15T17:57:58+08:00", "utc": "1972-01-15T09:57:58Z", "ms": 64317477889.506294 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1972-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 21:09 on Fri 14 Jan.", "fact": "1972-01-14T13:09:05Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:57, and the day of the 15th 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 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 11525 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Saturday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Qingyang, 1972: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1972-01-13", "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": "1972-01-13", "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, Bhogi 1972 falls on Friday 14 January. It is kept the day before Pongal, which falls on Saturday 15 January. The Sun enters Makara at 21:09 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10255, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1972-01-14T21:09:05+08:00", "utc": "1972-01-14T13:09:05Z", "ms": 64242544860.86002 }, "end": { "local": "1972-02-13T10:05:39+08:00", "utc": "1972-02-13T02:05:39Z", "ms": 66794738785.50835 } }, "span": { "of": "transit", "start": { "local": "1972-01-14T21:09:05+08:00", "utc": "1972-01-14T13:09:05Z", "ms": 64242544860.86002 }, "end": { "local": "1972-01-14T21:09:05+08:00", "utc": "1972-01-14T13:09:05Z", "ms": 64242544860.86002 } }, "kaala": "civil-day", "days": [ { "local_date": "1972-01-14", "window": { "start": { "local": "1972-01-14T00:00:00+08:00", "utc": "1972-01-13T16:00:00Z", "ms": 64166400000 }, "end": { "local": "1972-01-15T00:00:00+08:00", "utc": "1972-01-14T16:00:00Z", "ms": 64252800000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "1972-01-15", "window": { "start": { "local": "1972-01-15T00:00:00+08:00", "utc": "1972-01-14T16:00:00Z", "ms": 64252800000 }, "end": { "local": "1972-01-16T00:00:00+08:00", "utc": "1972-01-15T16:00:00Z", "ms": 64339200000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 21:09 on Fri 14 Jan.", "fact": "1972-01-14T13:09:05Z · 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 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 10255 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Qingyang, 1972: Friday 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": "1972-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1972-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1972-01-15", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Qingyang, Makara Saṅkrānti 1972 falls on Friday 14 January. The Sun enters Makara at 21:09 on Fri 14 Jan, and the rule counts the day from midnight. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 15 January.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/pradosha-vrata?on=1972-01-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-14", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1900, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-01-13T18:37:39+08:00", "utc": "1972-01-13T10:37:39Z", "ms": 64147059271.052376 }, "end": { "local": "1972-01-14T19:17:39+08:00", "utc": "1972-01-14T11:17:39Z", "ms": 64235858513.524765 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-13T18:37:39+08:00", "utc": "1972-01-13T10:37:39Z", "ms": 64147059271.052376 }, "end": { "local": "1972-01-14T19:17:39+08:00", "utc": "1972-01-14T11:17:39Z", "ms": 64235858513.524765 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-01-13", "window": { "start": { "local": "1972-01-13T17:56:02+08:00", "utc": "1972-01-13T09:56:02Z", "ms": 64144562377.883606 }, "end": { "local": "1972-01-13T19:48:31+08:00", "utc": "1972-01-13T11:48:31Z", "ms": 64151310667.59765 } }, "covered_min": 71, "window_min": 112, "qualifies": true }, { "local_date": "1972-01-14", "window": { "start": { "local": "1972-01-14T17:57:00+08:00", "utc": "1972-01-14T09:57:00Z", "ms": 64231019796.35717 }, "end": { "local": "1972-01-14T19:49:19+08:00", "utc": "1972-01-14T11:49:19Z", "ms": 64237758687.52139 } }, "covered_min": 81, "window_min": 112, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:38 on Thu 13 Jan to 19:18 on Fri 14 Jan.", "fact": "1972-01-13T10:37:39Z → 1972-01-14T11:17:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:56–19:49 on the 13th, 17:57–19:49 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 71 of 112 minutes on the 13th and 81 of 112 on the 14th.", "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 1900 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1972: Friday 14 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": "1972-01-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-13", "confidence": "boundary" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1972 falls on Friday 14 January. Trayodaśī runs from 18:38 on Thu 13 Jan to 19:18 on Fri 14 Jan and covers 81 of 112 minutes of pradoṣa that evening. It also reaches the previous evening for 71 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/1972/pradosha-vrata?on=1972-01-14", "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/1972/shivaratri?on=1972-01-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18772, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-01-14T19:17:39+08:00", "utc": "1972-01-14T11:17:39Z", "ms": 64235858513.524765 }, "end": { "local": "1972-01-15T19:21:40+08:00", "utc": "1972-01-15T11:21:40Z", "ms": 64322500048.64073 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-14T19:17:39+08:00", "utc": "1972-01-14T11:17:39Z", "ms": 64235858513.524765 }, "end": { "local": "1972-01-15T19:21:40+08:00", "utc": "1972-01-15T11:21:40Z", "ms": 64322500048.64073 } }, "kaala": "nishita", "days": [ { "local_date": "1972-01-14", "window": { "start": { "local": "1972-01-15T00:34:11+08:00", "utc": "1972-01-14T16:34:11Z", "ms": 64254850638.22299 }, "end": { "local": "1972-01-15T01:22:11+08:00", "utc": "1972-01-14T17:22:11Z", "ms": 64257730638.22299 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-01-15", "window": { "start": { "local": "1972-01-16T00:34:32+08:00", "utc": "1972-01-15T16:34:32Z", "ms": 64341272182.70885 }, "end": { "local": "1972-01-16T01:22:32+08:00", "utc": "1972-01-15T17:22:32Z", "ms": 64344152182.70885 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:18 on Fri 14 Jan to 19:22 on Sat 15 Jan.", "fact": "1972-01-14T11:17:39Z → 1972-01-15T11:21:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:34–01:22 on the 14th, 00:35–01:23 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18772 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1972: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-14", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1972 falls on Friday 14 January. Caturdaśī runs from 19:18 on Fri 14 Jan to 19:22 on Sat 15 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1972/shivaratri?on=1972-01-14", "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/1972/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11525, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1972-01-14T21:09:05+08:00", "utc": "1972-01-14T13:09:05Z", "ms": 64242544860.86002 }, "end": { "local": "1972-02-13T10:05:39+08:00", "utc": "1972-02-13T02:05:39Z", "ms": 66794738785.50835 } }, "span": { "of": "transit", "start": { "local": "1972-01-14T21:09:05+08:00", "utc": "1972-01-14T13:09:05Z", "ms": 64242544860.86002 }, "end": { "local": "1972-01-14T21:09:05+08:00", "utc": "1972-01-14T13:09:05Z", "ms": 64242544860.86002 } }, "kaala": "sunset-day", "days": [ { "local_date": "1972-01-14", "window": { "start": { "local": "1972-01-13T17:56:02+08:00", "utc": "1972-01-13T09:56:02Z", "ms": 64144562377.883606 }, "end": { "local": "1972-01-14T17:57:00+08:00", "utc": "1972-01-14T09:57:00Z", "ms": 64231019796.35717 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1972-01-15", "window": { "start": { "local": "1972-01-14T17:57:00+08:00", "utc": "1972-01-14T09:57:00Z", "ms": 64231019796.35717 }, "end": { "local": "1972-01-15T17:57:58+08:00", "utc": "1972-01-15T09:57:58Z", "ms": 64317477889.506294 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 21:09 on Fri 14 Jan.", "fact": "1972-01-14T13:09:05Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:57, and the day of the 15th 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 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 11525 s" }, { "step": "ruling", "text": "Pongal, Qingyang, 1972: Saturday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1972-01-14", "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": "1972-01-14", "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, Pongal 1972 falls on Saturday 15 January. The Sun enters Makara at 21:09 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38717, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-01-14T19:17:39+08:00", "utc": "1972-01-14T11:17:39Z", "ms": 64235858513.524765 }, "end": { "local": "1972-01-15T19:21:40+08:00", "utc": "1972-01-15T11:21:40Z", "ms": 64322500048.64073 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-14T19:17:39+08:00", "utc": "1972-01-14T11:17:39Z", "ms": 64235858513.524765 }, "end": { "local": "1972-01-15T19:21:40+08:00", "utc": "1972-01-15T11:21:40Z", "ms": 64322500048.64073 } }, "kaala": "arunodaya", "days": [ { "local_date": "1972-01-15", "window": { "start": { "local": "1972-01-15T06:07:03+08:00", "utc": "1972-01-14T22:07:03Z", "ms": 64274822588.9246 }, "end": { "local": "1972-01-15T07:59:21+08:00", "utc": "1972-01-14T23:59:21Z", "ms": 64281561480.08882 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "1972-01-16", "window": { "start": { "local": "1972-01-16T06:06:57+08:00", "utc": "1972-01-15T22:06:57Z", "ms": 64361217331.057396 }, "end": { "local": "1972-01-16T07:59:06+08:00", "utc": "1972-01-15T23:59:06Z", "ms": 64367946475.91141 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:18 on Fri 14 Jan to 19:22 on Sat 15 Jan.", "fact": "1972-01-14T11:17:39Z → 1972-01-15T11:21:40Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:07–07:59 on the 15th, 06:07–07:59 on the 16th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 112 of 112 minutes on the 15th and 0 of 112 on the 16th.", "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 38717 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Qingyang, 1972: Saturday 15 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": "1972-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-15", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Tarpaṇa 1972 falls on Saturday 15 January. Caturdaśī runs from 19:18 on Fri 14 Jan to 19:22 on Sat 15 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11525, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1972-01-14T21:09:05+08:00", "utc": "1972-01-14T13:09:05Z", "ms": 64242544860.86002 }, "end": { "local": "1972-02-13T10:05:39+08:00", "utc": "1972-02-13T02:05:39Z", "ms": 66794738785.50835 } }, "span": { "of": "transit", "start": { "local": "1972-01-14T21:09:05+08:00", "utc": "1972-01-14T13:09:05Z", "ms": 64242544860.86002 }, "end": { "local": "1972-01-14T21:09:05+08:00", "utc": "1972-01-14T13:09:05Z", "ms": 64242544860.86002 } }, "kaala": "sunset-day", "days": [ { "local_date": "1972-01-14", "window": { "start": { "local": "1972-01-13T17:56:02+08:00", "utc": "1972-01-13T09:56:02Z", "ms": 64144562377.883606 }, "end": { "local": "1972-01-14T17:57:00+08:00", "utc": "1972-01-14T09:57:00Z", "ms": 64231019796.35717 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1972-01-15", "window": { "start": { "local": "1972-01-14T17:57:00+08:00", "utc": "1972-01-14T09:57:00Z", "ms": 64231019796.35717 }, "end": { "local": "1972-01-15T17:57:58+08:00", "utc": "1972-01-15T09:57:58Z", "ms": 64317477889.506294 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1972-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 21:09 on Fri 14 Jan.", "fact": "1972-01-14T13:09:05Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:57, and the day of the 15th 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 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 11525 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Saturday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Qingyang, 1972: Sunday 16 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1972-01-15", "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": "1972-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Qingyang, Mattu Pongal 1972 falls on Sunday 16 January. It is kept the day after Pongal, which falls on Saturday 15 January. The Sun enters Makara at 21:09 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 15 January.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11483, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-01-19T14:50:33+08:00", "utc": "1972-01-19T06:50:33Z", "ms": 64651832524.0743 }, "end": { "local": "1972-01-20T12:55:44+08:00", "utc": "1972-01-20T04:55:44Z", "ms": 64731343510.66832 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-19T14:50:33+08:00", "utc": "1972-01-19T06:50:33Z", "ms": 64651832524.0743 }, "end": { "local": "1972-01-20T12:55:44+08:00", "utc": "1972-01-20T04:55:44Z", "ms": 64731343510.66832 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-01-19", "window": { "start": { "local": "1972-01-19T18:01:56+08:00", "utc": "1972-01-19T10:01:56Z", "ms": 64663315955.3703 }, "end": { "local": "1972-01-19T19:53:23+08:00", "utc": "1972-01-19T11:53:23Z", "ms": 64670002797.08761 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "1972-01-20", "window": { "start": { "local": "1972-01-20T18:02:57+08:00", "utc": "1972-01-20T10:02:57Z", "ms": 64749776637.68975 }, "end": { "local": "1972-01-20T19:54:12+08:00", "utc": "1972-01-20T11:54:12Z", "ms": 64756452114.98811 } }, "covered_min": 0, "window_min": 111, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:51 on Wed 19 Jan to 12:56 on Thu 20 Jan.", "fact": "1972-01-19T06:50:33Z → 1972-01-20T04:55:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:53 on the 19th, 18:03–19:54 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 111 of 111 minutes on the 19th and 0 of 111 on the 20th.", "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 11483 s" }, { "step": "ruling", "text": "Tila Caturthī, Qingyang, 1972: Wednesday 19 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-19", "confidence": "determinate" } ], "quote": "In Qingyang, Tila Caturthī 1972 falls on Wednesday 19 January. Caturthī runs from 14:51 on Wed 19 Jan to 12:56 on Thu 20 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1162, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1972-01-20T12:55:44+08:00", "utc": "1972-01-20T04:55:44Z", "ms": 64731343510.66832 }, "end": { "local": "1972-01-21T10:51:52+08:00", "utc": "1972-01-21T02:51:52Z", "ms": 64810312385.330795 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-20T12:55:44+08:00", "utc": "1972-01-20T04:55:44Z", "ms": 64731343510.66832 }, "end": { "local": "1972-01-21T10:51:52+08:00", "utc": "1972-01-21T02:51:52Z", "ms": 64810312385.330795 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-01-20", "window": { "start": { "local": "1972-01-20T12:36:22+08:00", "utc": "1972-01-20T04:36:22Z", "ms": 64730181952.96994 }, "end": { "local": "1972-01-20T13:24:22+08:00", "utc": "1972-01-20T05:24:22Z", "ms": 64733061952.96994 } }, "covered_min": 29, "window_min": 48, "qualifies": true }, { "local_date": "1972-01-21", "window": { "start": { "local": "1972-01-21T12:36:40+08:00", "utc": "1972-01-21T04:36:40Z", "ms": 64816600202.72426 }, "end": { "local": "1972-01-21T13:24:40+08:00", "utc": "1972-01-21T05:24:40Z", "ms": 64819480202.72426 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:56 on Thu 20 Jan to 10:52 on Fri 21 Jan.", "fact": "1972-01-20T04:55:44Z → 1972-01-21T02:51:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 20th, 12:37–13:25 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 29 of 48 minutes on the 20th and 0 of 48 on the 21st.", "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 1162 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Qingyang, 1972: Thursday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-20", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Pañcamī 1972 falls on Thursday 20 January. Pañcamī runs from 12:56 on Thu 20 Jan to 10:52 on Fri 21 Jan and covers 29 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1162, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1972-01-20T12:55:44+08:00", "utc": "1972-01-20T04:55:44Z", "ms": 64731343510.66832 }, "end": { "local": "1972-01-21T10:51:52+08:00", "utc": "1972-01-21T02:51:52Z", "ms": 64810312385.330795 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-20T12:55:44+08:00", "utc": "1972-01-20T04:55:44Z", "ms": 64731343510.66832 }, "end": { "local": "1972-01-21T10:51:52+08:00", "utc": "1972-01-21T02:51:52Z", "ms": 64810312385.330795 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-01-20", "window": { "start": { "local": "1972-01-20T12:36:22+08:00", "utc": "1972-01-20T04:36:22Z", "ms": 64730181952.96994 }, "end": { "local": "1972-01-20T13:24:22+08:00", "utc": "1972-01-20T05:24:22Z", "ms": 64733061952.96994 } }, "covered_min": 29, "window_min": 48, "qualifies": true }, { "local_date": "1972-01-21", "window": { "start": { "local": "1972-01-21T12:36:40+08:00", "utc": "1972-01-21T04:36:40Z", "ms": 64816600202.72426 }, "end": { "local": "1972-01-21T13:24:40+08:00", "utc": "1972-01-21T05:24:40Z", "ms": 64819480202.72426 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:56 on Thu 20 Jan to 10:52 on Fri 21 Jan.", "fact": "1972-01-20T04:55:44Z → 1972-01-21T02:51:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 20th, 12:37–13:25 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 29 of 48 minutes on the 20th and 0 of 48 on the 21st.", "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 1162 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Qingyang, 1972: Thursday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-20", "confidence": "determinate" } ], "quote": "In Qingyang, Vasanta Pañcamī 1972 falls on Thursday 20 January. Pañcamī runs from 12:56 on Thu 20 Jan to 10:52 on Fri 21 Jan and covers 29 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1162, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-01-19T14:50:33+08:00", "utc": "1972-01-19T06:50:33Z", "ms": 64651832524.0743 }, "end": { "local": "1972-01-20T12:55:44+08:00", "utc": "1972-01-20T04:55:44Z", "ms": 64731343510.66832 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-19T14:50:33+08:00", "utc": "1972-01-19T06:50:33Z", "ms": 64651832524.0743 }, "end": { "local": "1972-01-20T12:55:44+08:00", "utc": "1972-01-20T04:55:44Z", "ms": 64731343510.66832 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-01-19", "window": { "start": { "local": "1972-01-19T12:36:03+08:00", "utc": "1972-01-19T04:36:03Z", "ms": 64643762943.20544 }, "end": { "local": "1972-01-19T13:24:03+08:00", "utc": "1972-01-19T05:24:03Z", "ms": 64646642943.20544 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-01-20", "window": { "start": { "local": "1972-01-20T12:36:22+08:00", "utc": "1972-01-20T04:36:22Z", "ms": 64730181952.96994 }, "end": { "local": "1972-01-20T13:24:22+08:00", "utc": "1972-01-20T05:24:22Z", "ms": 64733061952.96994 } }, "covered_min": 19, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:51 on Wed 19 Jan to 12:56 on Thu 20 Jan.", "fact": "1972-01-19T06:50:33Z → 1972-01-20T04:55:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 19th, 12:36–13:24 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 19 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1162 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Qingyang, 1972: Thursday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-20", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1972 falls on Thursday 20 January. Caturthī runs from 14:51 on Wed 19 Jan to 12:56 on Thu 20 Jan and covers 19 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1652, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1972-01-22T08:43:08+08:00", "utc": "1972-01-22T00:43:08Z", "ms": 64888987551.60597 }, "end": { "local": "1972-01-23T06:33:08+08:00", "utc": "1972-01-22T22:33:08Z", "ms": 64967588014.12311 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-22T08:43:08+08:00", "utc": "1972-01-22T00:43:08Z", "ms": 64888987551.60597 }, "end": { "local": "1972-01-23T06:33:08+08:00", "utc": "1972-01-22T22:33:08Z", "ms": 64967588014.12311 } }, "kaala": "arunodaya", "days": [ { "local_date": "1972-01-22", "window": { "start": { "local": "1972-01-22T06:05:52+08:00", "utc": "1972-01-21T22:05:52Z", "ms": 64879552479.34936 }, "end": { "local": "1972-01-22T07:56:56+08:00", "utc": "1972-01-21T23:56:56Z", "ms": 64886216293.399864 } }, "covered_min": 0, "window_min": 111, "qualifies": false }, { "local_date": "1972-01-23", "window": { "start": { "local": "1972-01-23T06:05:36+08:00", "utc": "1972-01-22T22:05:36Z", "ms": 64965936153.020905 }, "end": { "local": "1972-01-23T07:56:28+08:00", "utc": "1972-01-22T23:56:28Z", "ms": 64972588013.41958 } }, "covered_min": 28, "window_min": 111, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:43 on Sat 22 Jan to 06:33 on Sun 23 Jan.", "fact": "1972-01-22T00:43:08Z → 1972-01-22T22:33:08Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:06–07:57 on the 22nd, 06:06–07:56 on the 23rd.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 0 of 111 minutes on the 22nd and 28 of 111 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1652 s" }, { "step": "ruling", "text": "Ratha Saptamī, Qingyang, 1972: Sunday 23 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-23", "confidence": "determinate" } ], "quote": "In Qingyang, Ratha Saptamī 1972 falls on Sunday 23 January. Saptamī runs from 08:43 on Sat 22 Jan to 06:33 on Sun 23 Jan and covers 28 of 111 minutes of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-01-26", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26838, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-01-26T00:27:34+08:00", "utc": "1972-01-25T16:27:34Z", "ms": 65204854199.90913 }, "end": { "local": "1972-01-26T22:44:12+08:00", "utc": "1972-01-26T14:44:12Z", "ms": 65285052469.83897 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-26T00:27:34+08:00", "utc": "1972-01-25T16:27:34Z", "ms": 65204854199.90913 }, "end": { "local": "1972-01-26T22:44:12+08:00", "utc": "1972-01-26T14:44:12Z", "ms": 65285052469.83897 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-01-26", "window": { "start": { "local": "1972-01-26T07:54:52+08:00", "utc": "1972-01-25T23:54:52Z", "ms": 65231692244.47508 }, "end": { "local": "1972-01-26T07:54:52+08:00", "utc": "1972-01-25T23:54:52Z", "ms": 65231692244.47508 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-01-27", "window": { "start": { "local": "1972-01-27T07:54:17+08:00", "utc": "1972-01-26T23:54:17Z", "ms": 65318056756.96288 }, "end": { "local": "1972-01-27T07:54:17+08:00", "utc": "1972-01-26T23:54:17Z", "ms": 65318056756.96288 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:28 on Wed 26 Jan to 22:44 on Wed 26 Jan.", "fact": "1972-01-25T16:27:34Z → 1972-01-26T14:44:12Z" }, { "step": "kaala", "text": "Sunrise is at 07:55 on the 26th and 07:54 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not 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 26838 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Qingyang, 1972: Wednesday 26 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": "1972-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-26", "confidence": "determinate" } ], "quote": "In Qingyang, Jayā Ekādaśī 1972 falls on Wednesday 26 January. Ekādaśī runs from 00:28 on Wed 26 Jan to 22:44 on Wed 26 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-01-26", "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/1972/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28170, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1972-01-26T22:44:12+08:00", "utc": "1972-01-26T14:44:12Z", "ms": 65285052469.83897 }, "end": { "local": "1972-01-27T21:15:43+08:00", "utc": "1972-01-27T13:15:43Z", "ms": 65366142570.108734 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-26T22:44:12+08:00", "utc": "1972-01-26T14:44:12Z", "ms": 65285052469.83897 }, "end": { "local": "1972-01-27T21:15:43+08:00", "utc": "1972-01-27T13:15:43Z", "ms": 65366142570.108734 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-01-26", "window": { "start": { "local": "1972-01-26T12:38:00+08:00", "utc": "1972-01-26T04:38:00Z", "ms": 65248679587.70585 }, "end": { "local": "1972-01-26T13:26:00+08:00", "utc": "1972-01-26T05:26:00Z", "ms": 65251559587.70585 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-01-27", "window": { "start": { "local": "1972-01-27T12:38:13+08:00", "utc": "1972-01-27T04:38:13Z", "ms": 65335093030.90022 }, "end": { "local": "1972-01-27T13:26:13+08:00", "utc": "1972-01-27T05:26:13Z", "ms": 65337973030.90022 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:44 on Wed 26 Jan to 21:16 on Thu 27 Jan.", "fact": "1972-01-26T14:44:12Z → 1972-01-27T13:15:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:38–13:26 on the 26th, 12:38–13:26 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28170 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Qingyang, 1972: Thursday 27 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-27", "confidence": "determinate" } ], "quote": "In Qingyang, Bhīṣma Dvādaśī 1972 falls on Thursday 27 January. Dvādaśī runs from 22:44 on Wed 26 Jan to 21:16 on Thu 27 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/pradosha-vrata?on=1972-01-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 307, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-01-27T21:15:43+08:00", "utc": "1972-01-27T13:15:43Z", "ms": 65366142570.108734 }, "end": { "local": "1972-01-28T20:05:53+08:00", "utc": "1972-01-28T12:05:53Z", "ms": 65448352793.341034 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-27T21:15:43+08:00", "utc": "1972-01-27T13:15:43Z", "ms": 65366142570.108734 }, "end": { "local": "1972-01-28T20:05:53+08:00", "utc": "1972-01-28T12:05:53Z", "ms": 65448352793.341034 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-01-27", "window": { "start": { "local": "1972-01-27T18:10:09+08:00", "utc": "1972-01-27T10:10:09Z", "ms": 65355009304.83757 }, "end": { "local": "1972-01-27T19:59:57+08:00", "utc": "1972-01-27T11:59:57Z", "ms": 65361597334.86537 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "1972-01-28", "window": { "start": { "local": "1972-01-28T18:11:12+08:00", "utc": "1972-01-28T10:11:12Z", "ms": 65441471774.24026 }, "end": { "local": "1972-01-28T20:00:46+08:00", "utc": "1972-01-28T12:00:46Z", "ms": 65448046283.134865 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:16 on Thu 27 Jan to 20:06 on Fri 28 Jan.", "fact": "1972-01-27T13:15:43Z → 1972-01-28T12:05:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–20:00 on the 27th, 18:11–20:01 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 27th and 110 of 110 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 307 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1972: Friday 28 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-28", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1972 falls on Friday 28 January. Trayodaśī runs from 21:16 on Thu 27 Jan to 20:06 on Fri 28 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-01-28", "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/1972/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19883, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-01-29T19:18:43+08:00", "utc": "1972-01-29T11:18:43Z", "ms": 65531923462.17591 }, "end": { "local": "1972-01-30T18:58:11+08:00", "utc": "1972-01-30T10:58:11Z", "ms": 65617091391.56617 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1972-01-29T19:18:43+08:00", "utc": "1972-01-29T11:18:43Z", "ms": 65531923462.17591 }, "end": { "local": "1972-01-30T18:58:11+08:00", "utc": "1972-01-30T10:58:11Z", "ms": 65617091391.56617 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-01-29", "window": { "start": { "local": "1972-01-29T12:38:37+08:00", "utc": "1972-01-29T04:38:37Z", "ms": 65507917450.32001 }, "end": { "local": "1972-01-29T13:26:37+08:00", "utc": "1972-01-29T05:26:37Z", "ms": 65510797450.32001 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-01-30", "window": { "start": { "local": "1972-01-30T12:38:48+08:00", "utc": "1972-01-30T04:38:48Z", "ms": 65594328425.61973 }, "end": { "local": "1972-01-30T13:26:48+08:00", "utc": "1972-01-30T05:26:48Z", "ms": 65597208425.61973 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:19 on Sat 29 Jan to 18:58 on Sun 30 Jan.", "fact": "1972-01-29T11:18:43Z → 1972-01-30T10:58:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 29th, 12:39–13:27 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19883 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Qingyang, 1972: Sunday 30 January.", "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": "1972-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-01-30", "confidence": "determinate" } ], "quote": "In Qingyang, Māghī Pūrṇimā 1972 falls on Sunday 30 January. Pūrṇimā runs from 19:19 on Sat 29 Jan to 18:58 on Sun 30 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/sankashta-chaturthi?on=1972-02-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-02-02", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 593, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-02-02T21:04:32+08:00", "utc": "1972-02-02T13:04:32Z", "ms": 65883872255.9499 }, "end": { "local": "1972-02-03T22:50:04+08:00", "utc": "1972-02-03T14:50:04Z", "ms": 65976604095.63467 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1972-02-02T21:04:32+08:00", "utc": "1972-02-02T13:04:32Z", "ms": 65883872255.9499 }, "end": { "local": "1972-02-03T22:50:04+08:00", "utc": "1972-02-03T14:50:04Z", "ms": 65976604095.63467 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-02-02", "window": { "start": { "local": "1972-02-02T21:14:25+08:00", "utc": "1972-02-02T13:14:25Z", "ms": 65884465067.27152 }, "end": { "local": "1972-02-02T21:14:25+08:00", "utc": "1972-02-02T13:14:25Z", "ms": 65884465067.27152 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-02-03", "window": { "start": { "local": "1972-02-03T22:12:03+08:00", "utc": "1972-02-03T14:12:03Z", "ms": 65974322589.54002 }, "end": { "local": "1972-02-03T22:12:03+08:00", "utc": "1972-02-03T14:12:03Z", "ms": 65974322589.54002 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:05 on Wed 2 Feb to 22:50 on Thu 3 Feb.", "fact": "1972-02-02T13:04:32Z → 1972-02-03T14:50:04Z" }, { "step": "kaala", "text": "Moonrise is at 21:14 on the 2nd and 22:12 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both moonrises qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 593 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1972: Wednesday 2 February.", "fact": "confidence: boundary (tie-break-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": "1972-02-02", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-02-02", "confidence": "boundary" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1972 falls on Wednesday 2 February. Caturthī runs from 21:05 on Wed 2 Feb to 22:50 on Thu 3 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/sankashta-chaturthi?on=1972-02-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/ekadashi?on=1972-02-11", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14522, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-02-10T11:45:12+08:00", "utc": "1972-02-10T03:45:12Z", "ms": 66541511986.775986 }, "end": { "local": "1972-02-11T12:30:00+08:00", "utc": "1972-02-11T04:30:00Z", "ms": 66630600107.562515 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1972-02-10T11:45:12+08:00", "utc": "1972-02-10T03:45:12Z", "ms": 66541511986.775986 }, "end": { "local": "1972-02-11T12:30:00+08:00", "utc": "1972-02-11T04:30:00Z", "ms": 66630600107.562515 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-02-10", "window": { "start": { "local": "1972-02-10T07:43:10+08:00", "utc": "1972-02-09T23:43:10Z", "ms": 66526990326.9293 }, "end": { "local": "1972-02-10T07:43:10+08:00", "utc": "1972-02-09T23:43:10Z", "ms": 66526990326.9293 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-02-11", "window": { "start": { "local": "1972-02-11T07:42:12+08:00", "utc": "1972-02-10T23:42:12Z", "ms": 66613331801.10923 }, "end": { "local": "1972-02-11T07:42:12+08:00", "utc": "1972-02-10T23:42:12Z", "ms": 66613331801.10923 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:45 on Thu 10 Feb to 12:30 on Fri 11 Feb.", "fact": "1972-02-10T03:45:12Z → 1972-02-11T04:30:00Z" }, { "step": "kaala", "text": "Sunrise is at 07:43 on the 10th and 07:42 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14522 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Qingyang, 1972: Friday 11 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": "1972-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-02-11", "confidence": "determinate" } ], "quote": "In Qingyang, Vijayā Ekādaśī 1972 falls on Friday 11 February. Ekādaśī runs from 11:45 on Thu 10 Feb to 12:30 on Fri 11 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-02-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/pradosha-vrata?on=1972-02-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21365, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-02-12T12:30:39+08:00", "utc": "1972-02-12T04:30:39Z", "ms": 66717038673.15172 }, "end": { "local": "1972-02-13T11:47:44+08:00", "utc": "1972-02-13T03:47:44Z", "ms": 66800864327.05948 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1972-02-12T12:30:39+08:00", "utc": "1972-02-12T04:30:39Z", "ms": 66717038673.15172 }, "end": { "local": "1972-02-13T11:47:44+08:00", "utc": "1972-02-13T03:47:44Z", "ms": 66800864327.05948 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-02-12", "window": { "start": { "local": "1972-02-12T18:26:43+08:00", "utc": "1972-02-12T10:26:43Z", "ms": 66738403227.2009 }, "end": { "local": "1972-02-12T20:12:31+08:00", "utc": "1972-02-12T12:12:31Z", "ms": 66744750916.67329 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1972-02-13", "window": { "start": { "local": "1972-02-13T18:27:44+08:00", "utc": "1972-02-13T10:27:44Z", "ms": 66824863984.0045 }, "end": { "local": "1972-02-13T20:13:15+08:00", "utc": "1972-02-13T12:13:15Z", "ms": 66831195263.61423 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:31 on Sat 12 Feb to 11:48 on Sun 13 Feb.", "fact": "1972-02-12T04:30:39Z → 1972-02-13T03:47:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–20:13 on the 12th, 18:28–20:13 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 106 of 106 minutes on the 12th and 0 of 106 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 21365 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1972: Saturday 12 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": "1972-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-02-12", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1972 falls on Saturday 12 February. Trayodaśī runs from 12:31 on Sat 12 Feb to 11:48 on Sun 13 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-02-12", "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/1972/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32258, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-02-13T11:47:44+08:00", "utc": "1972-02-13T03:47:44Z", "ms": 66800864327.05948 }, "end": { "local": "1972-02-14T10:25:05+08:00", "utc": "1972-02-14T02:25:05Z", "ms": 66882304711.97069 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1972-02-13T11:47:44+08:00", "utc": "1972-02-13T03:47:44Z", "ms": 66800864327.05948 }, "end": { "local": "1972-02-14T10:25:05+08:00", "utc": "1972-02-14T02:25:05Z", "ms": 66882304711.97069 } }, "kaala": "nishita", "days": [ { "local_date": "1972-02-12", "window": { "start": { "local": "1972-02-13T00:39:27+08:00", "utc": "1972-02-12T16:39:27Z", "ms": 66760767062.72237 }, "end": { "local": "1972-02-13T01:27:27+08:00", "utc": "1972-02-12T17:27:27Z", "ms": 66763647062.72237 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-02-13", "window": { "start": { "local": "1972-02-14T00:39:26+08:00", "utc": "1972-02-13T16:39:26Z", "ms": 66847166282.54098 }, "end": { "local": "1972-02-14T01:27:26+08:00", "utc": "1972-02-13T17:27:26Z", "ms": 66850046282.54098 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:48 on Sun 13 Feb to 10:25 on Mon 14 Feb.", "fact": "1972-02-13T03:47:44Z → 1972-02-14T02:25:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:39–01:27 on the 12th, 00:39–01:27 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 32258 s" }, { "step": "ruling", "text": "Mahāśivarātri, Qingyang, 1972: Sunday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-02-13", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāśivarātri 1972 falls on Sunday 13 February. Caturdaśī runs from 11:48 on Sun 13 Feb to 10:25 on Mon 14 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vinayaka-chaturthi?on=1972-02-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29912, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-02-18T00:36:46+08:00", "utc": "1972-02-17T16:36:46Z", "ms": 67192606424.74713 }, "end": { "local": "1972-02-18T21:46:17+08:00", "utc": "1972-02-18T13:46:17Z", "ms": 67268777472.97004 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1972-02-18T00:36:46+08:00", "utc": "1972-02-17T16:36:46Z", "ms": 67192606424.74713 }, "end": { "local": "1972-02-18T21:46:17+08:00", "utc": "1972-02-18T13:46:17Z", "ms": 67268777472.97004 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-02-17", "window": { "start": { "local": "1972-02-17T12:39:49+08:00", "utc": "1972-02-17T04:39:49Z", "ms": 67149589315.535255 }, "end": { "local": "1972-02-17T13:27:49+08:00", "utc": "1972-02-17T05:27:49Z", "ms": 67152469315.535255 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-02-18", "window": { "start": { "local": "1972-02-18T12:39:45+08:00", "utc": "1972-02-18T04:39:45Z", "ms": 67235985450.971115 }, "end": { "local": "1972-02-18T13:27:45+08:00", "utc": "1972-02-18T05:27:45Z", "ms": 67238865450.971115 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:37 on Fri 18 Feb to 21:46 on Fri 18 Feb.", "fact": "1972-02-17T16:36:46Z → 1972-02-18T13:46:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 17th, 12:40–13:28 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29912 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1972: Friday 18 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-02-18", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1972 falls on Friday 18 February. Caturthī runs from 00:37 on Fri 18 Feb to 21:46 on Fri 18 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/vinayaka-chaturthi?on=1972-02-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/ekadashi?on=1972-02-25", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-02-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7143, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-02-24T10:00:46+08:00", "utc": "1972-02-24T02:00:46Z", "ms": 67744846183.72138 }, "end": { "local": "1972-02-25T09:25:33+08:00", "utc": "1972-02-25T01:25:33Z", "ms": 67829133444.75634 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1972-02-24T10:00:46+08:00", "utc": "1972-02-24T02:00:46Z", "ms": 67744846183.72138 }, "end": { "local": "1972-02-25T09:25:33+08:00", "utc": "1972-02-25T01:25:33Z", "ms": 67829133444.75634 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-02-24", "window": { "start": { "local": "1972-02-24T07:27:44+08:00", "utc": "1972-02-23T23:27:44Z", "ms": 67735663970.73303 }, "end": { "local": "1972-02-24T07:27:44+08:00", "utc": "1972-02-23T23:27:44Z", "ms": 67735663970.73303 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-02-25", "window": { "start": { "local": "1972-02-25T07:26:30+08:00", "utc": "1972-02-24T23:26:30Z", "ms": 67821990042.31949 }, "end": { "local": "1972-02-25T07:26:30+08:00", "utc": "1972-02-24T23:26:30Z", "ms": 67821990042.31949 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:01 on Thu 24 Feb to 09:26 on Fri 25 Feb.", "fact": "1972-02-24T02:00:46Z → 1972-02-25T01:25:33Z" }, { "step": "kaala", "text": "Sunrise is at 07:28 on the 24th and 07:27 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 7143 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Qingyang, 1972: Friday 25 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-02-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-02-25", "confidence": "determinate" } ], "quote": "In Qingyang, Āmalakī Ekādaśī 1972 falls on Friday 25 February. Ekādaśī runs from 10:01 on Thu 24 Feb to 09:26 on Fri 25 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-02-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/pradosha-vrata?on=1972-02-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33073, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-02-26T09:15:31+08:00", "utc": "1972-02-26T01:15:31Z", "ms": 67914931167.504906 }, "end": { "local": "1972-02-27T09:30:08+08:00", "utc": "1972-02-27T01:30:08Z", "ms": 68002207770.53659 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1972-02-26T09:15:31+08:00", "utc": "1972-02-26T01:15:31Z", "ms": 67914931167.504906 }, "end": { "local": "1972-02-27T09:30:08+08:00", "utc": "1972-02-27T01:30:08Z", "ms": 68002207770.53659 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-02-26", "window": { "start": { "local": "1972-02-26T18:40:24+08:00", "utc": "1972-02-26T10:40:24Z", "ms": 67948824467.79602 }, "end": { "local": "1972-02-26T20:22:13+08:00", "utc": "1972-02-26T12:22:13Z", "ms": 67954933156.00741 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "1972-02-27", "window": { "start": { "local": "1972-02-27T18:41:21+08:00", "utc": "1972-02-27T10:41:21Z", "ms": 68035280501.53724 }, "end": { "local": "1972-02-27T20:22:52+08:00", "utc": "1972-02-27T12:22:52Z", "ms": 68041371529.60253 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:16 on Sat 26 Feb to 09:30 on Sun 27 Feb.", "fact": "1972-02-26T01:15:31Z → 1972-02-27T01:30:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:22 on the 26th, 18:41–20:23 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 102 of 102 minutes on the 26th and 0 of 102 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33073 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1972: Saturday 26 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": "1972-02-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-02-26", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1972 falls on Saturday 26 February. Trayodaśī runs from 09:16 on Sat 26 Feb to 09:30 on Sun 27 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-02-26", "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/1972/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-02-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18895, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-02-28T10:09:00+08:00", "utc": "1972-02-28T02:09:00Z", "ms": 68090940440.99605 }, "end": { "local": "1972-02-29T11:11:55+08:00", "utc": "1972-02-29T03:11:55Z", "ms": 68181115158.44343 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1972-02-28T10:09:00+08:00", "utc": "1972-02-28T02:09:00Z", "ms": 68090940440.99605 }, "end": { "local": "1972-02-29T11:11:55+08:00", "utc": "1972-02-29T03:11:55Z", "ms": 68181115158.44343 } }, "kaala": "sayahna", "days": [ { "local_date": "1972-02-28", "window": { "start": { "local": "1972-02-28T16:26:22+08:00", "utc": "1972-02-28T08:26:22Z", "ms": 68113581597.36843 }, "end": { "local": "1972-02-28T18:42:16+08:00", "utc": "1972-02-28T10:42:16Z", "ms": 68121736193.70381 } }, "covered_min": 136, "window_min": 136, "qualifies": true }, { "local_date": "1972-02-29", "window": { "start": { "local": "1972-02-29T16:26:50+08:00", "utc": "1972-02-29T08:26:50Z", "ms": 68200010448.490036 }, "end": { "local": "1972-02-29T18:43:12+08:00", "utc": "1972-02-29T10:43:12Z", "ms": 68208191552.594795 } }, "covered_min": 0, "window_min": 136, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:09 on Mon 28 Feb to 11:12 on Tue 29 Feb.", "fact": "1972-02-28T02:09:00Z → 1972-02-29T03:11:55Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:26–18:42 on the 28th, 16:27–18:43 on the 29th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 136 of 136 minutes on the 28th and 0 of 136 on the 29th.", "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 18895 s" }, { "step": "ruling", "text": "Holikā Dahana, Qingyang, 1972: Monday 28 February.", "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": "1972-02-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-02-28", "confidence": "determinate" } ], "quote": "In Qingyang, Holikā Dahana 1972 falls on Monday 28 February. Pūrṇimā runs from 10:09 on Mon 28 Feb to 11:12 on Tue 29 Feb and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-02-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18895, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-02-28T10:09:00+08:00", "utc": "1972-02-28T02:09:00Z", "ms": 68090940440.99605 }, "end": { "local": "1972-02-29T11:11:55+08:00", "utc": "1972-02-29T03:11:55Z", "ms": 68181115158.44343 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1972-02-28T10:09:00+08:00", "utc": "1972-02-28T02:09:00Z", "ms": 68090940440.99605 }, "end": { "local": "1972-02-29T11:11:55+08:00", "utc": "1972-02-29T03:11:55Z", "ms": 68181115158.44343 } }, "kaala": "sayahna", "days": [ { "local_date": "1972-02-28", "window": { "start": { "local": "1972-02-28T16:26:22+08:00", "utc": "1972-02-28T08:26:22Z", "ms": 68113581597.36843 }, "end": { "local": "1972-02-28T18:42:16+08:00", "utc": "1972-02-28T10:42:16Z", "ms": 68121736193.70381 } }, "covered_min": 136, "window_min": 136, "qualifies": true }, { "local_date": "1972-02-29", "window": { "start": { "local": "1972-02-29T16:26:50+08:00", "utc": "1972-02-29T08:26:50Z", "ms": 68200010448.490036 }, "end": { "local": "1972-02-29T18:43:12+08:00", "utc": "1972-02-29T10:43:12Z", "ms": 68208191552.594795 } }, "covered_min": 0, "window_min": 136, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1972-02-28", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:09 on Mon 28 Feb to 11:12 on Tue 29 Feb.", "fact": "1972-02-28T02:09:00Z → 1972-02-29T03:11:55Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:26–18:42 on the 28th, 16:27–18:43 on the 29th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 136 of 136 minutes on the 28th and 0 of 136 on the 29th.", "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 18895 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Monday 28 February is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Qingyang, 1972: Tuesday 29 February.", "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": "1972-02-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-02-29", "confidence": "determinate" } ], "quote": "In Qingyang, Holī 1972 falls on Tuesday 29 February. It is kept the day after Holikā Dahana, which falls on Monday 28 February. Pūrṇimā runs from 10:09 on Mon 28 Feb to 11:12 on Tue 29 Feb and covers all of sāyāhna on the 28th.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13829, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1972-02-29T11:11:55+08:00", "utc": "1972-02-29T03:11:55Z", "ms": 68181115158.44343 }, "end": { "local": "1972-03-01T12:38:28+08:00", "utc": "1972-03-01T04:38:28Z", "ms": 68272708209.82033 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-02-29T11:11:55+08:00", "utc": "1972-02-29T03:11:55Z", "ms": 68181115158.44343 }, "end": { "local": "1972-03-01T12:38:28+08:00", "utc": "1972-03-01T04:38:28Z", "ms": 68272708209.82033 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-02-29", "window": { "start": { "local": "1972-02-29T07:21:26+08:00", "utc": "1972-02-28T23:21:26Z", "ms": 68167286032.07101 }, "end": { "local": "1972-02-29T07:21:26+08:00", "utc": "1972-02-28T23:21:26Z", "ms": 68167286032.07101 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-03-01", "window": { "start": { "local": "1972-03-01T07:20:08+08:00", "utc": "1972-02-29T23:20:08Z", "ms": 68253608122.85912 }, "end": { "local": "1972-03-01T07:20:08+08:00", "utc": "1972-02-29T23:20:08Z", "ms": 68253608122.85912 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:12 on Tue 29 Feb to 12:38 on Wed 1 Mar.", "fact": "1972-02-29T03:11:55Z → 1972-03-01T04:38:28Z" }, { "step": "kaala", "text": "Sunrise is at 07:21 on the 29th and 07:20 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 29th and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13829 s" }, { "step": "ruling", "text": "Vasantotsava, Qingyang, 1972: Wednesday 1 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": "1972-03-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-01", "confidence": "determinate" } ], "quote": "In Qingyang, Vasantotsava 1972 falls on Wednesday 1 March. Pratipadā runs from 11:12 on Tue 29 Feb to 12:38 on Wed 1 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/sankashta-chaturthi?on=1972-03-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14035, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-03-03T16:36:20+08:00", "utc": "1972-03-03T08:36:20Z", "ms": 68459780496.54238 }, "end": { "local": "1972-03-04T18:59:59+08:00", "utc": "1972-03-04T10:59:59Z", "ms": 68554798527.32853 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-03T16:36:20+08:00", "utc": "1972-03-03T08:36:20Z", "ms": 68459780496.54238 }, "end": { "local": "1972-03-04T18:59:59+08:00", "utc": "1972-03-04T10:59:59Z", "ms": 68554798527.32853 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-03-03", "window": { "start": { "local": "1972-03-03T21:55:54+08:00", "utc": "1972-03-03T13:55:54Z", "ms": 68478953543.94302 }, "end": { "local": "1972-03-03T21:55:54+08:00", "utc": "1972-03-03T13:55:54Z", "ms": 68478953543.94302 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-03-04", "window": { "start": { "local": "1972-03-04T22:53:53+08:00", "utc": "1972-03-04T14:53:53Z", "ms": 68568833113.85181 }, "end": { "local": "1972-03-04T22:53:53+08:00", "utc": "1972-03-04T14:53:53Z", "ms": 68568833113.85181 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:36 on Fri 3 Mar to 19:00 on Sat 4 Mar.", "fact": "1972-03-03T08:36:20Z → 1972-03-04T10:59:59Z" }, { "step": "kaala", "text": "Moonrise is at 21:56 on the 3rd and 22:54 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14035 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1972: Friday 3 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": "1972-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-03", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1972 falls on Friday 3 March. Caturthī runs from 16:36 on Fri 3 Mar to 19:00 on Sat 4 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/sankashta-chaturthi?on=1972-03-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31400, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1972-03-08T02:09:26+08:00", "utc": "1972-03-07T18:09:26Z", "ms": 68839766132.00948 }, "end": { "local": "1972-03-09T03:53:00+08:00", "utc": "1972-03-08T19:53:00Z", "ms": 68932379754.0907 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-08T02:09:26+08:00", "utc": "1972-03-07T18:09:26Z", "ms": 68839766132.00948 }, "end": { "local": "1972-03-09T03:53:00+08:00", "utc": "1972-03-08T19:53:00Z", "ms": 68932379754.0907 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-03-08", "window": { "start": { "local": "1972-03-08T12:36:34+08:00", "utc": "1972-03-08T04:36:34Z", "ms": 68877394324.98047 }, "end": { "local": "1972-03-08T13:24:34+08:00", "utc": "1972-03-08T05:24:34Z", "ms": 68880274324.98047 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-03-09", "window": { "start": { "local": "1972-03-09T12:36:19+08:00", "utc": "1972-03-09T04:36:19Z", "ms": 68963779433.38571 }, "end": { "local": "1972-03-09T13:24:19+08:00", "utc": "1972-03-09T05:24:19Z", "ms": 68966659433.38571 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:09 on Wed 8 Mar to 03:53 on Thu 9 Mar.", "fact": "1972-03-07T18:09:26Z → 1972-03-08T19:53:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 8th, 12:36–13:24 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31400 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Qingyang, 1972: Wednesday 8 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-08", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalāṣṭamī 1972 falls on Wednesday 8 March. Aṣṭamī runs from 02:09 on Wed 8 Mar to 03:53 on Thu 9 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-03-11", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6604, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-03-11T05:16:32+08:00", "utc": "1972-03-10T21:16:32Z", "ms": 69110192348.61833 }, "end": { "local": "1972-03-12T04:45:47+08:00", "utc": "1972-03-11T20:45:47Z", "ms": 69194747231.89816 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-11T05:16:32+08:00", "utc": "1972-03-10T21:16:32Z", "ms": 69110192348.61833 }, "end": { "local": "1972-03-12T04:45:47+08:00", "utc": "1972-03-11T20:45:47Z", "ms": 69194747231.89816 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-03-11", "window": { "start": { "local": "1972-03-11T07:06:36+08:00", "utc": "1972-03-10T23:06:36Z", "ms": 69116796128.26387 }, "end": { "local": "1972-03-11T07:06:36+08:00", "utc": "1972-03-10T23:06:36Z", "ms": 69116796128.26387 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-03-12", "window": { "start": { "local": "1972-03-12T07:05:12+08:00", "utc": "1972-03-11T23:05:12Z", "ms": 69203112341.78923 }, "end": { "local": "1972-03-12T07:05:12+08:00", "utc": "1972-03-11T23:05:12Z", "ms": 69203112341.78923 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:17 on Sat 11 Mar to 04:46 on Sun 12 Mar.", "fact": "1972-03-10T21:16:32Z → 1972-03-11T20:45:47Z" }, { "step": "kaala", "text": "Sunrise is at 07:07 on the 11th and 07:05 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 6604 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Qingyang, 1972: Saturday 11 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-11", "confidence": "determinate" } ], "quote": "In Qingyang, Pāpamocanī Ekādaśī 1972 falls on Saturday 11 March. Ekādaśī runs from 05:17 on Sat 11 Mar to 04:46 on Sun 12 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-03-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/pradosha-vrata?on=1972-03-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17474, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-03-13T03:26:27+08:00", "utc": "1972-03-12T19:26:27Z", "ms": 69276387010.29404 }, "end": { "local": "1972-03-14T01:23:01+08:00", "utc": "1972-03-13T17:23:01Z", "ms": 69355380624.33937 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-13T03:26:27+08:00", "utc": "1972-03-12T19:26:27Z", "ms": 69276387010.29404 }, "end": { "local": "1972-03-14T01:23:01+08:00", "utc": "1972-03-13T17:23:01Z", "ms": 69355380624.33937 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-03-12", "window": { "start": { "local": "1972-03-12T18:53:53+08:00", "utc": "1972-03-12T10:53:53Z", "ms": 69245633259.8267 }, "end": { "local": "1972-03-12T20:31:13+08:00", "utc": "1972-03-12T12:31:13Z", "ms": 69251472586.28516 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "1972-03-13", "window": { "start": { "local": "1972-03-13T18:54:45+08:00", "utc": "1972-03-13T10:54:45Z", "ms": 69332085125.49924 }, "end": { "local": "1972-03-13T20:31:46+08:00", "utc": "1972-03-13T12:31:46Z", "ms": 69337906276.30432 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:26 on Mon 13 Mar to 01:23 on Tue 14 Mar.", "fact": "1972-03-12T19:26:27Z → 1972-03-13T17:23:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:31 on the 12th, 18:55–20:32 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 12th and 97 of 97 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17474 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1972: Monday 13 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-13", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1972 falls on Monday 13 March. Trayodaśī runs from 03:26 on Mon 13 Mar to 01:23 on Tue 14 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-03-13", "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/1972/shivaratri?on=1972-03-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-13", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 26, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-03-14T01:23:01+08:00", "utc": "1972-03-13T17:23:01Z", "ms": 69355380624.33937 }, "end": { "local": "1972-03-14T22:42:43+08:00", "utc": "1972-03-14T14:42:43Z", "ms": 69432162886.61879 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-14T01:23:01+08:00", "utc": "1972-03-13T17:23:01Z", "ms": 69355380624.33937 }, "end": { "local": "1972-03-14T22:42:43+08:00", "utc": "1972-03-14T14:42:43Z", "ms": 69432162886.61879 } }, "kaala": "nishita", "days": [ { "local_date": "1972-03-13", "window": { "start": { "local": "1972-03-14T00:34:34+08:00", "utc": "1972-03-13T16:34:34Z", "ms": 69352474441.01831 }, "end": { "local": "1972-03-14T01:22:34+08:00", "utc": "1972-03-13T17:22:34Z", "ms": 69355354441.01831 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-03-14", "window": { "start": { "local": "1972-03-15T00:34:18+08:00", "utc": "1972-03-14T16:34:18Z", "ms": 69438857896.65584 }, "end": { "local": "1972-03-15T01:22:18+08:00", "utc": "1972-03-14T17:22:18Z", "ms": 69441737896.65584 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:23 on Tue 14 Mar to 22:43 on Tue 14 Mar.", "fact": "1972-03-13T17:23:01Z → 1972-03-14T14:42:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:35–01:23 on the 13th, 00:34–01:22 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 0 of 48 on the 14th.", "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 26 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1972: Monday 13 March.", "fact": "confidence: boundary (margin, 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": "1972-03-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-13", "confidence": "boundary" } ], "quote": "In Qingyang, Śivarātri 1972 falls on Monday 13 March. Caturdaśī runs from 01:23 on Tue 14 Mar to 22:43 on Tue 14 Mar, and reaches niśītha on neither day. It is 0 min 26 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1972/shivaratri?on=1972-03-13", "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/1972/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10002, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1972-03-15T19:34:41+08:00", "utc": "1972-03-15T11:34:41Z", "ms": 69507281248.77696 }, "end": { "local": "1972-03-16T16:09:09+08:00", "utc": "1972-03-16T08:09:09Z", "ms": 69581348870.68411 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-15T19:34:41+08:00", "utc": "1972-03-15T11:34:41Z", "ms": 69507281248.77696 }, "end": { "local": "1972-03-16T16:09:09+08:00", "utc": "1972-03-16T08:09:09Z", "ms": 69581348870.68411 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-03-15", "window": { "start": { "local": "1972-03-15T12:34:44+08:00", "utc": "1972-03-15T04:34:44Z", "ms": 69482083619.79018 }, "end": { "local": "1972-03-15T13:22:44+08:00", "utc": "1972-03-15T05:22:44Z", "ms": 69484963619.79018 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-03-16", "window": { "start": { "local": "1972-03-16T12:34:27+08:00", "utc": "1972-03-16T04:34:27Z", "ms": 69568466739.14485 }, "end": { "local": "1972-03-16T13:22:27+08:00", "utc": "1972-03-16T05:22:27Z", "ms": 69571346739.14485 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:35 on Wed 15 Mar to 16:09 on Thu 16 Mar.", "fact": "1972-03-15T11:34:41Z → 1972-03-16T08:09:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 15th, 12:34–13:22 on the 16th.", "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 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10002 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Qingyang, 1972: Thursday 16 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-16", "confidence": "determinate" } ], "quote": "In Qingyang, Navarātrārambha (Caitra) (Chaitra Navratri) 1972 falls on Thursday 16 March. Pratipadā runs from 19:35 on Wed 15 Mar to 16:09 on Thu 16 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-17", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 156, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1972-03-17T12:36:46+08:00", "utc": "1972-03-17T04:36:46Z", "ms": 69655005926.41089 }, "end": { "local": "1972-03-18T09:08:07+08:00", "utc": "1972-03-18T01:08:07Z", "ms": 69728887102.25035 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-17T12:36:46+08:00", "utc": "1972-03-17T04:36:46Z", "ms": 69655005926.41089 }, "end": { "local": "1972-03-18T09:08:07+08:00", "utc": "1972-03-18T01:08:07Z", "ms": 69728887102.25035 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-03-17", "window": { "start": { "local": "1972-03-17T12:34:10+08:00", "utc": "1972-03-17T04:34:10Z", "ms": 69654849641.3863 }, "end": { "local": "1972-03-17T13:22:10+08:00", "utc": "1972-03-17T05:22:10Z", "ms": 69657729641.3863 } }, "covered_min": 45, "window_min": 48, "qualifies": true }, { "local_date": "1972-03-18", "window": { "start": { "local": "1972-03-18T12:33:52+08:00", "utc": "1972-03-18T04:33:52Z", "ms": 69741232342.27121 }, "end": { "local": "1972-03-18T13:21:52+08:00", "utc": "1972-03-18T05:21:52Z", "ms": 69744112342.27121 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:37 on Fri 17 Mar to 09:08 on Sat 18 Mar.", "fact": "1972-03-17T04:36:46Z → 1972-03-18T01:08:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 17th, 12:34–13:22 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 45 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 156 s < 300 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Qingyang, 1972: Friday 17 March.", "fact": "confidence: boundary (margin)" } ], "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": "1972-03-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-17", "confidence": "determinate" } ], "quote": "In Qingyang, Gaurī Tṛtīyā (Gangaur) 1972 falls on Friday 17 March. Tṛtīyā runs from 12:37 on Fri 17 Mar to 09:08 on Sat 18 Mar and covers 45 of 48 minutes of madhyāhna that midday. It is 2 min 36 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-17", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 156, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1972-03-17T12:36:46+08:00", "utc": "1972-03-17T04:36:46Z", "ms": 69655005926.41089 }, "end": { "local": "1972-03-18T09:08:07+08:00", "utc": "1972-03-18T01:08:07Z", "ms": 69728887102.25035 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-17T12:36:46+08:00", "utc": "1972-03-17T04:36:46Z", "ms": 69655005926.41089 }, "end": { "local": "1972-03-18T09:08:07+08:00", "utc": "1972-03-18T01:08:07Z", "ms": 69728887102.25035 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-03-17", "window": { "start": { "local": "1972-03-17T12:34:10+08:00", "utc": "1972-03-17T04:34:10Z", "ms": 69654849641.3863 }, "end": { "local": "1972-03-17T13:22:10+08:00", "utc": "1972-03-17T05:22:10Z", "ms": 69657729641.3863 } }, "covered_min": 45, "window_min": 48, "qualifies": true }, { "local_date": "1972-03-18", "window": { "start": { "local": "1972-03-18T12:33:52+08:00", "utc": "1972-03-18T04:33:52Z", "ms": 69741232342.27121 }, "end": { "local": "1972-03-18T13:21:52+08:00", "utc": "1972-03-18T05:21:52Z", "ms": 69744112342.27121 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:37 on Fri 17 Mar to 09:08 on Sat 18 Mar.", "fact": "1972-03-17T04:36:46Z → 1972-03-18T01:08:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 17th, 12:34–13:22 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 45 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 156 s < 300 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Qingyang, 1972: Friday 17 March.", "fact": "confidence: boundary (margin)" } ], "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": "1972-03-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-17", "confidence": "determinate" } ], "quote": "In Qingyang, Saubhāgya Śayana Vrata 1972 falls on Friday 17 March. Tṛtīyā runs from 12:37 on Fri 17 Mar to 09:08 on Sat 18 Mar and covers 45 of 48 minutes of madhyāhna that midday. It is 2 min 36 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vinayaka-chaturthi?on=1972-03-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12345, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-03-18T09:08:07+08:00", "utc": "1972-03-18T01:08:07Z", "ms": 69728887102.25035 }, "end": { "local": "1972-03-19T05:53:12+08:00", "utc": "1972-03-18T21:53:12Z", "ms": 69803591776.82436 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-18T09:08:07+08:00", "utc": "1972-03-18T01:08:07Z", "ms": 69728887102.25035 }, "end": { "local": "1972-03-19T05:53:12+08:00", "utc": "1972-03-18T21:53:12Z", "ms": 69803591776.82436 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-03-18", "window": { "start": { "local": "1972-03-18T12:33:52+08:00", "utc": "1972-03-18T04:33:52Z", "ms": 69741232342.27121 }, "end": { "local": "1972-03-18T13:21:52+08:00", "utc": "1972-03-18T05:21:52Z", "ms": 69744112342.27121 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-03-19", "window": { "start": { "local": "1972-03-19T12:33:35+08:00", "utc": "1972-03-19T04:33:35Z", "ms": 69827614858.12018 }, "end": { "local": "1972-03-19T13:21:35+08:00", "utc": "1972-03-19T05:21:35Z", "ms": 69830494858.12018 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:08 on Sat 18 Mar to 05:53 on Sun 19 Mar.", "fact": "1972-03-18T01:08:07Z → 1972-03-18T21:53:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 18th, 12:34–13:22 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12345 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1972: Saturday 18 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": "1972-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-18", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1972 falls on Saturday 18 March. Caturthī runs from 09:08 on Sat 18 Mar to 05:53 on Sun 19 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/vinayaka-chaturthi?on=1972-03-18", "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/1972/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24023, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1972-03-19T05:53:12+08:00", "utc": "1972-03-18T21:53:12Z", "ms": 69803591776.82436 }, "end": { "local": "1972-03-20T03:00:54+08:00", "utc": "1972-03-19T19:00:54Z", "ms": 69879653907.99365 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-19T05:53:12+08:00", "utc": "1972-03-18T21:53:12Z", "ms": 69803591776.82436 }, "end": { "local": "1972-03-20T03:00:54+08:00", "utc": "1972-03-19T19:00:54Z", "ms": 69879653907.99365 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-03-19", "window": { "start": { "local": "1972-03-19T12:33:35+08:00", "utc": "1972-03-19T04:33:35Z", "ms": 69827614858.12018 }, "end": { "local": "1972-03-19T13:21:35+08:00", "utc": "1972-03-19T05:21:35Z", "ms": 69830494858.12018 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-03-20", "window": { "start": { "local": "1972-03-20T12:33:17+08:00", "utc": "1972-03-20T04:33:17Z", "ms": 69913997206.16537 }, "end": { "local": "1972-03-20T13:21:17+08:00", "utc": "1972-03-20T05:21:17Z", "ms": 69916877206.16537 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:53 on Sun 19 Mar to 03:01 on Mon 20 Mar.", "fact": "1972-03-18T21:53:12Z → 1972-03-19T19:00:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 19th, 12:33–13:21 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24023 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Qingyang, 1972: Sunday 19 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-19", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pañcamī 1972 falls on Sunday 19 March. Pañcamī runs from 05:53 on Sun 19 Mar to 03:01 on Mon 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30062, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1972-03-21T22:51:13+08:00", "utc": "1972-03-21T14:51:13Z", "ms": 70037473263.29338 }, "end": { "local": "1972-03-22T21:41:43+08:00", "utc": "1972-03-22T13:41:43Z", "ms": 70119703491.75606 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-21T22:51:13+08:00", "utc": "1972-03-21T14:51:13Z", "ms": 70037473263.29338 }, "end": { "local": "1972-03-22T21:41:43+08:00", "utc": "1972-03-22T13:41:43Z", "ms": 70119703491.75606 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-03-21", "window": { "start": { "local": "1972-03-21T12:32:59+08:00", "utc": "1972-03-21T04:32:59Z", "ms": 70000379404.72775 }, "end": { "local": "1972-03-21T13:20:59+08:00", "utc": "1972-03-21T05:20:59Z", "ms": 70003259404.72775 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-03-22", "window": { "start": { "local": "1972-03-22T12:32:41+08:00", "utc": "1972-03-22T04:32:41Z", "ms": 70086761473.22638 }, "end": { "local": "1972-03-22T13:20:41+08:00", "utc": "1972-03-22T05:20:41Z", "ms": 70089641473.22638 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:51 on Tue 21 Mar to 21:42 on Wed 22 Mar.", "fact": "1972-03-21T14:51:13Z → 1972-03-22T13:41:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 21st, 12:33–13:21 on the 22nd.", "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 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30062 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Qingyang, 1972: Wednesday 22 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-22", "confidence": "determinate" } ], "quote": "In Qingyang, Bhavānī Utpatti 1972 falls on Wednesday 22 March. Aṣṭamī runs from 22:51 on Tue 21 Mar to 21:42 on Wed 22 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28185, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1972-03-22T21:41:43+08:00", "utc": "1972-03-22T13:41:43Z", "ms": 70119703491.75606 }, "end": { "local": "1972-03-23T21:10:09+08:00", "utc": "1972-03-23T13:10:09Z", "ms": 70204208864.96202 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-22T21:41:43+08:00", "utc": "1972-03-22T13:41:43Z", "ms": 70119703491.75606 }, "end": { "local": "1972-03-23T21:10:09+08:00", "utc": "1972-03-23T13:10:09Z", "ms": 70204208864.96202 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-03-22", "window": { "start": { "local": "1972-03-22T12:32:41+08:00", "utc": "1972-03-22T04:32:41Z", "ms": 70086761473.22638 }, "end": { "local": "1972-03-22T13:20:41+08:00", "utc": "1972-03-22T05:20:41Z", "ms": 70089641473.22638 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-03-23", "window": { "start": { "local": "1972-03-23T12:32:23+08:00", "utc": "1972-03-23T04:32:23Z", "ms": 70173143432.06091 }, "end": { "local": "1972-03-23T13:20:23+08:00", "utc": "1972-03-23T05:20:23Z", "ms": 70176023432.06091 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 21:42 on Wed 22 Mar to 21:10 on Thu 23 Mar.", "fact": "1972-03-22T13:41:43Z → 1972-03-23T13:10:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 22nd, 12:32–13:20 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "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 28185 s" }, { "step": "ruling", "text": "Rāma Navamī, Qingyang, 1972: Thursday 23 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-23", "confidence": "determinate" } ], "quote": "In Qingyang, Rāma Navamī 1972 falls on Thursday 23 March. Navamī runs from 21:42 on Wed 22 Mar to 21:10 on Thu 23 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-03-25", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32093, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-03-24T21:14:18+08:00", "utc": "1972-03-24T13:14:18Z", "ms": 70290858451.09958 }, "end": { "local": "1972-03-25T21:50:22+08:00", "utc": "1972-03-25T13:50:22Z", "ms": 70379422176.193 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-24T21:14:18+08:00", "utc": "1972-03-24T13:14:18Z", "ms": 70290858451.09958 }, "end": { "local": "1972-03-25T21:50:22+08:00", "utc": "1972-03-25T13:50:22Z", "ms": 70379422176.193 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-03-25", "window": { "start": { "local": "1972-03-25T06:46:42+08:00", "utc": "1972-03-24T22:46:42Z", "ms": 70325201566.80136 }, "end": { "local": "1972-03-25T06:46:42+08:00", "utc": "1972-03-24T22:46:42Z", "ms": 70325201566.80136 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-03-26", "window": { "start": { "local": "1972-03-26T06:45:15+08:00", "utc": "1972-03-25T22:45:15Z", "ms": 70411515442.98479 }, "end": { "local": "1972-03-26T06:45:15+08:00", "utc": "1972-03-25T22:45:15Z", "ms": 70411515442.98479 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:14 on Fri 24 Mar to 21:50 on Sat 25 Mar.", "fact": "1972-03-24T13:14:18Z → 1972-03-25T13:50:22Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 25th and 06:45 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 32093 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Qingyang, 1972: Saturday 25 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": "1972-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-25", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmadā Ekādaśī 1972 falls on Saturday 25 March. Ekādaśī runs from 21:14 on Fri 24 Mar to 21:50 on Sat 25 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-03-25", "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/1972/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34455, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-03-26T22:53:44+08:00", "utc": "1972-03-26T14:53:44Z", "ms": 70469623663.31801 }, "end": { "local": "1972-03-28T00:19:51+08:00", "utc": "1972-03-27T16:19:51Z", "ms": 70561191063.3327 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-26T22:53:44+08:00", "utc": "1972-03-26T14:53:44Z", "ms": 70469623663.31801 }, "end": { "local": "1972-03-28T00:19:51+08:00", "utc": "1972-03-27T16:19:51Z", "ms": 70561191063.3327 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-03-26", "window": { "start": { "local": "1972-03-26T12:31:29+08:00", "utc": "1972-03-26T04:31:29Z", "ms": 70432288865.5191 }, "end": { "local": "1972-03-26T13:19:29+08:00", "utc": "1972-03-26T05:19:29Z", "ms": 70435168865.5191 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-03-27", "window": { "start": { "local": "1972-03-27T12:31:11+08:00", "utc": "1972-03-27T04:31:11Z", "ms": 70518670603.06393 }, "end": { "local": "1972-03-27T13:19:11+08:00", "utc": "1972-03-27T05:19:11Z", "ms": 70521550603.06393 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:54 on Sun 26 Mar to 00:20 on Tue 28 Mar.", "fact": "1972-03-26T14:53:44Z → 1972-03-27T16:19:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 26th, 12:31–13:19 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34455 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Qingyang, 1972: Monday 27 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-27", "confidence": "determinate" } ], "quote": "In Qingyang, Anaṅga Trayodaśī 1972 falls on Monday 27 March. Trayodaśī runs from 22:54 on Sun 26 Mar to 00:20 on Tue 28 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/pradosha-vrata?on=1972-03-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8096, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-03-26T22:53:44+08:00", "utc": "1972-03-26T14:53:44Z", "ms": 70469623663.31801 }, "end": { "local": "1972-03-28T00:19:51+08:00", "utc": "1972-03-27T16:19:51Z", "ms": 70561191063.3327 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-26T22:53:44+08:00", "utc": "1972-03-26T14:53:44Z", "ms": 70469623663.31801 }, "end": { "local": "1972-03-28T00:19:51+08:00", "utc": "1972-03-27T16:19:51Z", "ms": 70561191063.3327 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-03-26", "window": { "start": { "local": "1972-03-26T19:05:42+08:00", "utc": "1972-03-26T11:05:42Z", "ms": 70455942288.05342 }, "end": { "local": "1972-03-26T20:38:47+08:00", "utc": "1972-03-26T12:38:47Z", "ms": 70461527232.26634 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "1972-03-27", "window": { "start": { "local": "1972-03-27T19:06:32+08:00", "utc": "1972-03-27T11:06:32Z", "ms": 70542391836.4776 }, "end": { "local": "1972-03-27T20:39:19+08:00", "utc": "1972-03-27T12:39:19Z", "ms": 70547958708.60077 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:54 on Sun 26 Mar to 00:20 on Tue 28 Mar.", "fact": "1972-03-26T14:53:44Z → 1972-03-27T16:19:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:06–20:39 on the 26th, 19:07–20:39 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 93 minutes on the 26th and 93 of 93 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8096 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1972: Monday 27 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": "1972-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-27", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1972 falls on Monday 27 March. Trayodaśī runs from 22:54 on Sun 26 Mar to 00:20 on Tue 28 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-03-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37544, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-03-28T00:19:51+08:00", "utc": "1972-03-27T16:19:51Z", "ms": 70561191063.3327 }, "end": { "local": "1972-03-29T02:04:50+08:00", "utc": "1972-03-28T18:04:50Z", "ms": 70653890037.62778 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-28T00:19:51+08:00", "utc": "1972-03-27T16:19:51Z", "ms": 70561191063.3327 }, "end": { "local": "1972-03-29T02:04:50+08:00", "utc": "1972-03-28T18:04:50Z", "ms": 70653890037.62778 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-03-28", "window": { "start": { "local": "1972-03-28T12:30:52+08:00", "utc": "1972-03-28T04:30:52Z", "ms": 70605052341.526 }, "end": { "local": "1972-03-28T13:18:52+08:00", "utc": "1972-03-28T05:18:52Z", "ms": 70607932341.526 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-03-29", "window": { "start": { "local": "1972-03-29T12:30:34+08:00", "utc": "1972-03-29T04:30:34Z", "ms": 70691434103.66779 }, "end": { "local": "1972-03-29T13:18:34+08:00", "utc": "1972-03-29T05:18:34Z", "ms": 70694314103.66779 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:20 on Tue 28 Mar to 02:05 on Wed 29 Mar.", "fact": "1972-03-27T16:19:51Z → 1972-03-28T18:04:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 28th, 12:31–13:19 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37544 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Qingyang, 1972: Tuesday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-28", "confidence": "determinate" } ], "quote": "In Qingyang, Viṣṇudamanaka Caturdaśī 1972 falls on Tuesday 28 March. Caturdaśī runs from 00:20 on Tue 28 Mar to 02:05 on Wed 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30287, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-03-29T02:04:50+08:00", "utc": "1972-03-28T18:04:50Z", "ms": 70653890037.62778 }, "end": { "local": "1972-03-30T04:05:29+08:00", "utc": "1972-03-29T20:05:29Z", "ms": 70747529239.94217 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1972-03-29T02:04:50+08:00", "utc": "1972-03-28T18:04:50Z", "ms": 70653890037.62778 }, "end": { "local": "1972-03-30T04:05:29+08:00", "utc": "1972-03-29T20:05:29Z", "ms": 70747529239.94217 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-03-29", "window": { "start": { "local": "1972-03-29T12:30:34+08:00", "utc": "1972-03-29T04:30:34Z", "ms": 70691434103.66779 }, "end": { "local": "1972-03-29T13:18:34+08:00", "utc": "1972-03-29T05:18:34Z", "ms": 70694314103.66779 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-03-30", "window": { "start": { "local": "1972-03-30T12:30:16+08:00", "utc": "1972-03-30T04:30:16Z", "ms": 70777815912.17578 }, "end": { "local": "1972-03-30T13:18:16+08:00", "utc": "1972-03-30T05:18:16Z", "ms": 70780695912.17578 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:05 on Wed 29 Mar to 04:05 on Thu 30 Mar.", "fact": "1972-03-28T18:04:50Z → 1972-03-29T20:05:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 29th, 12:30–13:18 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30287 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Qingyang, 1972: Wednesday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chaitri-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-03-29", "confidence": "determinate" } ], "quote": "In Qingyang, Caitrī Pūrṇimā 1972 falls on Wednesday 29 March. Pūrṇimā runs from 02:05 on Wed 29 Mar to 04:05 on Thu 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/sankashta-chaturthi?on=1972-04-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36141, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-04-02T11:10:09+08:00", "utc": "1972-04-02T03:10:09Z", "ms": 71032208547.63448 }, "end": { "local": "1972-04-03T13:36:56+08:00", "utc": "1972-04-03T05:36:56Z", "ms": 71127416291.15752 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-04-02T11:10:09+08:00", "utc": "1972-04-02T03:10:09Z", "ms": 71032208547.63448 }, "end": { "local": "1972-04-03T13:36:56+08:00", "utc": "1972-04-03T05:36:56Z", "ms": 71127416291.15752 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-04-02", "window": { "start": { "local": "1972-04-02T22:41:58+08:00", "utc": "1972-04-02T14:41:58Z", "ms": 71073718339.63985 }, "end": { "local": "1972-04-02T22:41:58+08:00", "utc": "1972-04-02T14:41:58Z", "ms": 71073718339.63985 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-04-03", "window": { "start": { "local": "1972-04-03T23:39:18+08:00", "utc": "1972-04-03T15:39:18Z", "ms": 71163557718.30653 }, "end": { "local": "1972-04-03T23:39:18+08:00", "utc": "1972-04-03T15:39:18Z", "ms": 71163557718.30653 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:10 on Sun 2 Apr to 13:37 on Mon 3 Apr.", "fact": "1972-04-02T03:10:09Z → 1972-04-03T05:36:56Z" }, { "step": "kaala", "text": "Moonrise is at 22:42 on the 2nd and 23:39 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36141 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1972: Sunday 2 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": "1972-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-04-02", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1972 falls on Sunday 2 April. Caturthī runs from 11:10 on Sun 2 Apr to 13:37 on Mon 3 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/sankashta-chaturthi?on=1972-04-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/ekadashi?on=1972-04-10", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39617, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-04-09T19:06:37+08:00", "utc": "1972-04-09T11:06:37Z", "ms": 71665596818.98724 }, "end": { "local": "1972-04-10T17:24:24+08:00", "utc": "1972-04-10T09:24:24Z", "ms": 71745864069.06902 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-04-09T19:06:37+08:00", "utc": "1972-04-09T11:06:37Z", "ms": 71665596818.98724 }, "end": { "local": "1972-04-10T17:24:24+08:00", "utc": "1972-04-10T09:24:24Z", "ms": 71745864069.06902 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-04-09", "window": { "start": { "local": "1972-04-09T06:25:29+08:00", "utc": "1972-04-08T22:25:29Z", "ms": 71619928999.36143 }, "end": { "local": "1972-04-09T06:25:29+08:00", "utc": "1972-04-08T22:25:29Z", "ms": 71619928999.36143 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-04-10", "window": { "start": { "local": "1972-04-10T06:24:07+08:00", "utc": "1972-04-09T22:24:07Z", "ms": 71706246860.01747 }, "end": { "local": "1972-04-10T06:24:07+08:00", "utc": "1972-04-09T22:24:07Z", "ms": 71706246860.01747 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:07 on Sun 9 Apr to 17:24 on Mon 10 Apr.", "fact": "1972-04-09T11:06:37Z → 1972-04-10T09:24:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:25 on the 9th and 06:24 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 39617 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Qingyang, 1972: Monday 10 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-04-10", "confidence": "determinate" } ], "quote": "In Qingyang, Varūthinī Ekādaśī 1972 falls on Monday 10 April. Ekādaśī runs from 19:07 on Sun 9 Apr to 17:24 on Mon 10 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-04-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/pradosha-vrata?on=1972-04-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15698, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-04-11T14:57:14+08:00", "utc": "1972-04-11T06:57:14Z", "ms": 71823434494.44781 }, "end": { "local": "1972-04-12T11:52:40+08:00", "utc": "1972-04-12T03:52:40Z", "ms": 71898759610.85503 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-04-11T14:57:14+08:00", "utc": "1972-04-11T06:57:14Z", "ms": 71823434494.44781 }, "end": { "local": "1972-04-12T11:52:40+08:00", "utc": "1972-04-12T03:52:40Z", "ms": 71898759610.85503 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-04-11", "window": { "start": { "local": "1972-04-11T19:18:53+08:00", "utc": "1972-04-11T11:18:53Z", "ms": 71839132846.18484 }, "end": { "local": "1972-04-11T20:47:13+08:00", "utc": "1972-04-11T12:47:13Z", "ms": 71844433017.92607 } }, "covered_min": 88, "window_min": 88, "qualifies": true }, { "local_date": "1972-04-12", "window": { "start": { "local": "1972-04-12T19:19:43+08:00", "utc": "1972-04-12T11:19:43Z", "ms": 71925582539.20589 }, "end": { "local": "1972-04-12T20:47:45+08:00", "utc": "1972-04-12T12:47:45Z", "ms": 71930865347.64731 } }, "covered_min": 0, "window_min": 88, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:57 on Tue 11 Apr to 11:53 on Wed 12 Apr.", "fact": "1972-04-11T06:57:14Z → 1972-04-12T03:52:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:19–20:47 on the 11th, 19:20–20:48 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 88 of 88 minutes on the 11th and 0 of 88 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15698 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1972: Tuesday 11 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-04-11", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1972 falls on Tuesday 11 April. Trayodaśī runs from 14:57 on Tue 11 Apr to 11:53 on Wed 12 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-04-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/shivaratri?on=1972-04-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25582, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-04-12T11:52:40+08:00", "utc": "1972-04-12T03:52:40Z", "ms": 71898759610.85503 }, "end": { "local": "1972-04-13T08:20:15+08:00", "utc": "1972-04-13T00:20:15Z", "ms": 71972414738.74435 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-04-12T11:52:40+08:00", "utc": "1972-04-12T03:52:40Z", "ms": 71898759610.85503 }, "end": { "local": "1972-04-13T08:20:15+08:00", "utc": "1972-04-13T00:20:15Z", "ms": 71972414738.74435 } }, "kaala": "nishita", "days": [ { "local_date": "1972-04-11", "window": { "start": { "local": "1972-04-12T00:26:08+08:00", "utc": "1972-04-11T16:26:08Z", "ms": 71857568490.21442 }, "end": { "local": "1972-04-12T01:14:08+08:00", "utc": "1972-04-11T17:14:08Z", "ms": 71860448490.21442 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-04-12", "window": { "start": { "local": "1972-04-13T00:25:53+08:00", "utc": "1972-04-12T16:25:53Z", "ms": 71943953070.8612 }, "end": { "local": "1972-04-13T01:13:53+08:00", "utc": "1972-04-12T17:13:53Z", "ms": 71946833070.8612 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:53 on Wed 12 Apr to 08:20 on Thu 13 Apr.", "fact": "1972-04-12T03:52:40Z → 1972-04-13T00:20:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:26–01:14 on the 11th, 00:26–01:14 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25582 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1972: Wednesday 12 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-04-12", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1972 falls on Wednesday 12 April. Caturdaśī runs from 11:53 on Wed 12 Apr to 08:20 on Thu 13 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1972/shivaratri?on=1972-04-12", "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/1972/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33029, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1972-04-13T15:30:32+08:00", "utc": "1972-04-13T07:30:32Z", "ms": 71998232415.64441 }, "end": { "local": "1972-05-14T12:26:04+08:00", "utc": "1972-05-14T04:26:04Z", "ms": 74665564259.28267 } }, "span": { "of": "transit", "start": { "local": "1972-04-13T15:30:32+08:00", "utc": "1972-04-13T07:30:32Z", "ms": 71998232415.64441 }, "end": { "local": "1972-04-13T15:30:32+08:00", "utc": "1972-04-13T07:30:32Z", "ms": 71998232415.64441 } }, "kaala": "day", "days": [ { "local_date": "1972-04-12", "window": { "start": { "local": "1972-04-12T06:21:24+08:00", "utc": "1972-04-11T22:21:24Z", "ms": 71878884134.244 }, "end": { "local": "1972-04-13T06:20:04+08:00", "utc": "1972-04-12T22:20:04Z", "ms": 71965203602.51653 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "1972-04-13", "window": { "start": { "local": "1972-04-13T06:20:04+08:00", "utc": "1972-04-12T22:20:04Z", "ms": 71965203602.51653 }, "end": { "local": "1972-04-14T06:18:44+08:00", "utc": "1972-04-13T22:18:44Z", "ms": 72051523659.4035 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 15:31 on Thu 13 Apr.", "fact": "1972-04-13T07:30:32Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:21 on the 12th, and from 06:20 on the 13th.", "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 12th.", "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 33029 s" }, { "step": "ruling", "text": "Vaiśākhī, Qingyang, 1972: Thursday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1972-04-13", "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": "1972-04-13", "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 1972 falls on Thursday 13 April. The Sun enters Meṣa at 15:31 on Thu 13 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vinayaka-chaturthi?on=1972-04-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3501, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-04-16T17:15:46+08:00", "utc": "1972-04-16T09:15:46Z", "ms": 72263745794.73927 }, "end": { "local": "1972-04-17T14:11:41+08:00", "utc": "1972-04-17T06:11:41Z", "ms": 72339100678.78207 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-04-16T17:15:46+08:00", "utc": "1972-04-16T09:15:46Z", "ms": 72263745794.73927 }, "end": { "local": "1972-04-17T14:11:41+08:00", "utc": "1972-04-17T06:11:41Z", "ms": 72339100678.78207 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-04-16", "window": { "start": { "local": "1972-04-16T12:25:34+08:00", "utc": "1972-04-16T04:25:34Z", "ms": 72246333756.40747 }, "end": { "local": "1972-04-16T13:13:34+08:00", "utc": "1972-04-16T05:13:34Z", "ms": 72249213756.40747 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-04-17", "window": { "start": { "local": "1972-04-17T12:25:20+08:00", "utc": "1972-04-17T04:25:20Z", "ms": 72332719718.64493 }, "end": { "local": "1972-04-17T13:13:20+08:00", "utc": "1972-04-17T05:13:20Z", "ms": 72335599718.64493 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:16 on Sun 16 Apr to 14:12 on Mon 17 Apr.", "fact": "1972-04-16T09:15:46Z → 1972-04-17T06:11:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 16th, 12:25–13:13 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3501 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1972: Monday 17 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": "1972-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-04-17", "confidence": "boundary" } ], "quote": "In Qingyang, Vināyaka Caturthī 1972 falls on Monday 17 April. Caturthī runs from 17:16 on Sun 16 Apr to 14:12 on Mon 17 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/vinayaka-chaturthi?on=1972-04-17", "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/1972/ekadashi?on=1972-04-24", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15034, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-04-23T10:17:48+08:00", "utc": "1972-04-23T02:17:48Z", "ms": 72843468388.01279 }, "end": { "local": "1972-04-24T11:52:45+08:00", "utc": "1972-04-24T03:52:45Z", "ms": 72935564589.85439 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-04-23T10:17:48+08:00", "utc": "1972-04-23T02:17:48Z", "ms": 72843468388.01279 }, "end": { "local": "1972-04-24T11:52:45+08:00", "utc": "1972-04-24T03:52:45Z", "ms": 72935564589.85439 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-04-23", "window": { "start": { "local": "1972-04-23T06:07:15+08:00", "utc": "1972-04-22T22:07:15Z", "ms": 72828434876.23149 }, "end": { "local": "1972-04-23T06:07:15+08:00", "utc": "1972-04-22T22:07:15Z", "ms": 72828434876.23149 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-04-24", "window": { "start": { "local": "1972-04-24T06:06:02+08:00", "utc": "1972-04-23T22:06:02Z", "ms": 72914762259.32787 }, "end": { "local": "1972-04-24T06:06:02+08:00", "utc": "1972-04-23T22:06:02Z", "ms": 72914762259.32787 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:18 on Sun 23 Apr to 11:53 on Mon 24 Apr.", "fact": "1972-04-23T02:17:48Z → 1972-04-24T03:52:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 23rd and 06:06 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15034 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Qingyang, 1972: Monday 24 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": "1972-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-04-24", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Ekādaśī 1972 falls on Monday 24 April. Ekādaśī runs from 10:18 on Sun 23 Apr to 11:53 on Mon 24 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-04-24", "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/1972/pradosha-vrata?on=1972-04-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12651, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-04-25T13:49:21+08:00", "utc": "1972-04-25T05:49:21Z", "ms": 73028960592.81572 }, "end": { "local": "1972-04-26T16:00:31+08:00", "utc": "1972-04-26T08:00:31Z", "ms": 73123231345.15997 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-04-25T13:49:21+08:00", "utc": "1972-04-25T05:49:21Z", "ms": 73028960592.81572 }, "end": { "local": "1972-04-26T16:00:31+08:00", "utc": "1972-04-26T08:00:31Z", "ms": 73123231345.15997 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-04-25", "window": { "start": { "local": "1972-04-25T19:30:33+08:00", "utc": "1972-04-25T11:30:33Z", "ms": 73049432563.5515 }, "end": { "local": "1972-04-25T20:54:58+08:00", "utc": "1972-04-25T12:54:58Z", "ms": 73054497518.13403 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1972-04-26", "window": { "start": { "local": "1972-04-26T19:31:23+08:00", "utc": "1972-04-26T11:31:23Z", "ms": 73135882756.33133 }, "end": { "local": "1972-04-26T20:55:32+08:00", "utc": "1972-04-26T12:55:32Z", "ms": 73140931703.88734 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:49 on Tue 25 Apr to 16:01 on Wed 26 Apr.", "fact": "1972-04-25T05:49:21Z → 1972-04-26T08:00:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:31–20:55 on the 25th, 19:31–20:56 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 84 of 84 minutes on the 25th and 0 of 84 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 12651 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1972: Tuesday 25 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": "1972-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-04-25", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1972 falls on Tuesday 25 April. Trayodaśī runs from 13:49 on Tue 25 Apr to 16:01 on Wed 26 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-04-25", "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/1972/sankashta-chaturthi?on=1972-05-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18668, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-05-02T03:39:33+08:00", "utc": "1972-05-01T19:39:33Z", "ms": 73597172791.35481 }, "end": { "local": "1972-05-03T05:34:59+08:00", "utc": "1972-05-02T21:34:59Z", "ms": 73690499148.46318 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-02T03:39:33+08:00", "utc": "1972-05-01T19:39:33Z", "ms": 73597172791.35481 }, "end": { "local": "1972-05-03T05:34:59+08:00", "utc": "1972-05-02T21:34:59Z", "ms": 73690499148.46318 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-05-01", "window": { "start": { "local": "1972-05-01T22:28:25+08:00", "utc": "1972-05-01T14:28:25Z", "ms": 73578504569.36594 }, "end": { "local": "1972-05-01T22:28:25+08:00", "utc": "1972-05-01T14:28:25Z", "ms": 73578504569.36594 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-05-02", "window": { "start": { "local": "1972-05-02T23:19:58+08:00", "utc": "1972-05-02T15:19:58Z", "ms": 73667998384.82402 }, "end": { "local": "1972-05-02T23:19:58+08:00", "utc": "1972-05-02T15:19:58Z", "ms": 73667998384.82402 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:40 on Tue 2 May to 05:35 on Wed 3 May.", "fact": "1972-05-01T19:39:33Z → 1972-05-02T21:34:59Z" }, { "step": "kaala", "text": "Moonrise is at 22:28 on the 1st and 23:20 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18668 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1972: Tuesday 2 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-02", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1972 falls on Tuesday 2 May. Caturthī runs from 03:40 on Tue 2 May to 05:35 on Wed 3 May and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/sankashta-chaturthi?on=1972-05-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/ekadashi?on=1972-05-09", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2445, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-05-09T05:09:12+08:00", "utc": "1972-05-08T21:09:12Z", "ms": 74207351840.38191 }, "end": { "local": "1972-05-10T02:34:43+08:00", "utc": "1972-05-09T18:34:43Z", "ms": 74284482963.82176 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-09T05:09:12+08:00", "utc": "1972-05-08T21:09:12Z", "ms": 74207351840.38191 }, "end": { "local": "1972-05-10T02:34:43+08:00", "utc": "1972-05-09T18:34:43Z", "ms": 74284482963.82176 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-05-09", "window": { "start": { "local": "1972-05-09T05:49:56+08:00", "utc": "1972-05-08T21:49:56Z", "ms": 74209796416.15218 }, "end": { "local": "1972-05-09T05:49:56+08:00", "utc": "1972-05-08T21:49:56Z", "ms": 74209796416.15218 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-05-10", "window": { "start": { "local": "1972-05-10T05:49:02+08:00", "utc": "1972-05-09T21:49:02Z", "ms": 74296141583.18011 }, "end": { "local": "1972-05-10T05:49:02+08:00", "utc": "1972-05-09T21:49:02Z", "ms": 74296141583.18011 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:09 on Tue 9 May to 02:35 on Wed 10 May.", "fact": "1972-05-08T21:09:12Z → 1972-05-09T18:34:43Z" }, { "step": "kaala", "text": "Sunrise is at 05:50 on the 9th and 05:49 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2445 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Qingyang, 1972: Tuesday 9 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-09", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Ekādaśī 1972 falls on Tuesday 9 May. Ekādaśī runs from 05:09 on Tue 9 May to 02:35 on Wed 10 May and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-05-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/pradosha-vrata?on=1972-05-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 450, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-05-10T23:25:48+08:00", "utc": "1972-05-10T15:25:48Z", "ms": 74359547568.67503 }, "end": { "local": "1972-05-11T19:51:22+08:00", "utc": "1972-05-11T11:51:22Z", "ms": 74433082179.94067 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-10T23:25:48+08:00", "utc": "1972-05-10T15:25:48Z", "ms": 74359547568.67503 }, "end": { "local": "1972-05-11T19:51:22+08:00", "utc": "1972-05-11T11:51:22Z", "ms": 74433082179.94067 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-05-10", "window": { "start": { "local": "1972-05-10T19:43:03+08:00", "utc": "1972-05-10T11:43:03Z", "ms": 74346182857.77382 }, "end": { "local": "1972-05-10T21:03:44+08:00", "utc": "1972-05-10T13:03:44Z", "ms": 74351023556.55814 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "1972-05-11", "window": { "start": { "local": "1972-05-11T19:43:52+08:00", "utc": "1972-05-11T11:43:52Z", "ms": 74432632124.20244 }, "end": { "local": "1972-05-11T21:04:19+08:00", "utc": "1972-05-11T13:04:19Z", "ms": 74437459305.39722 } }, "covered_min": 8, "window_min": 80, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:26 on Wed 10 May to 19:51 on Thu 11 May.", "fact": "1972-05-10T15:25:48Z → 1972-05-11T11:51:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:43–21:04 on the 10th, 19:44–21:04 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 81 minutes on the 10th and 8 of 80 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 450 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1972: Thursday 11 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-11", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1972 falls on Thursday 11 May. Trayodaśī runs from 23:26 on Wed 10 May to 19:51 on Thu 11 May and covers 8 of 80 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-05-11", "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/1972/shivaratri?on=1972-05-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16212, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-05-11T19:51:22+08:00", "utc": "1972-05-11T11:51:22Z", "ms": 74433082179.94067 }, "end": { "local": "1972-05-12T16:01:45+08:00", "utc": "1972-05-12T08:01:45Z", "ms": 74505705061.57681 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": true, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-11T19:51:22+08:00", "utc": "1972-05-11T11:51:22Z", "ms": 74433082179.94067 }, "end": { "local": "1972-05-12T16:01:45+08:00", "utc": "1972-05-12T08:01:45Z", "ms": 74505705061.57681 } }, "kaala": "nishita", "days": [ { "local_date": "1972-05-11", "window": { "start": { "local": "1972-05-12T00:21:34+08:00", "utc": "1972-05-11T16:21:34Z", "ms": 74449294053.68286 }, "end": { "local": "1972-05-12T01:09:34+08:00", "utc": "1972-05-11T17:09:34Z", "ms": 74452174053.68286 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-05-12", "window": { "start": { "local": "1972-05-13T00:21:33+08:00", "utc": "1972-05-12T16:21:33Z", "ms": 74535693216.09497 }, "end": { "local": "1972-05-13T01:09:33+08:00", "utc": "1972-05-12T17:09:33Z", "ms": 74538573216.09497 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:51 on Thu 11 May to 16:02 on Fri 12 May.", "fact": "1972-05-11T11:51:22Z → 1972-05-12T08:01:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 11th, 00:22–01:10 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16212 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1972: Thursday 11 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": "1972-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-11", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1972 falls on Thursday 11 May. Caturdaśī runs from 19:51 on Thu 11 May to 16:02 on Fri 12 May and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1972/shivaratri?on=1972-05-11", "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/1972/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3106, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1972-05-15T04:53:02+08:00", "utc": "1972-05-14T20:53:02Z", "ms": 74724782210.9201 }, "end": { "local": "1972-05-16T01:53:08+08:00", "utc": "1972-05-15T17:53:08Z", "ms": 74800388154.34381 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-15T04:53:02+08:00", "utc": "1972-05-14T20:53:02Z", "ms": 74724782210.9201 }, "end": { "local": "1972-05-16T01:53:08+08:00", "utc": "1972-05-15T17:53:08Z", "ms": 74800388154.34381 } }, "kaala": "purvahna", "days": [ { "local_date": "1972-05-15", "window": { "start": { "local": "1972-05-15T05:44:48+08:00", "utc": "1972-05-14T21:44:48Z", "ms": 74727888035.5701 }, "end": { "local": "1972-05-15T10:25:34+08:00", "utc": "1972-05-15T02:25:34Z", "ms": 74744734267.91965 } }, "covered_min": 281, "window_min": 281, "qualifies": true }, { "local_date": "1972-05-16", "window": { "start": { "local": "1972-05-16T05:44:02+08:00", "utc": "1972-05-15T21:44:02Z", "ms": 74814241576.68372 }, "end": { "local": "1972-05-16T10:25:19+08:00", "utc": "1972-05-16T02:25:19Z", "ms": 74831119253.51746 } }, "covered_min": 0, "window_min": 281, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:53 on Mon 15 May to 01:53 on Tue 16 May.", "fact": "1972-05-14T20:53:02Z → 1972-05-15T17:53:08Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:45–10:26 on the 15th, 05:44–10:25 on the 16th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 281 of 281 minutes on the 15th and 0 of 281 on the 16th.", "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 3106 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Qingyang, 1972: Monday 15 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": "1972-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-15", "confidence": "determinate" } ], "quote": "In Qingyang, Akṣaya Tṛtīyā 1972 falls on Monday 15 May. Tṛtīyā runs from 04:53 on Mon 15 May to 01:53 on Tue 16 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17186, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1972-05-15T04:53:02+08:00", "utc": "1972-05-14T20:53:02Z", "ms": 74724782210.9201 }, "end": { "local": "1972-05-16T01:53:08+08:00", "utc": "1972-05-15T17:53:08Z", "ms": 74800388154.34381 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-15T04:53:02+08:00", "utc": "1972-05-14T20:53:02Z", "ms": 74724782210.9201 }, "end": { "local": "1972-05-16T01:53:08+08:00", "utc": "1972-05-15T17:53:08Z", "ms": 74800388154.34381 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-05-14", "window": { "start": { "local": "1972-05-14T19:46:19+08:00", "utc": "1972-05-14T11:46:19Z", "ms": 74691978513.52829 }, "end": { "local": "1972-05-14T21:06:06+08:00", "utc": "1972-05-14T13:06:06Z", "ms": 74696766449.80054 } }, "covered_min": 0, "window_min": 80, "qualifies": false }, { "local_date": "1972-05-15", "window": { "start": { "local": "1972-05-15T19:47:07+08:00", "utc": "1972-05-15T11:47:07Z", "ms": 74778426732.61873 }, "end": { "local": "1972-05-15T21:06:42+08:00", "utc": "1972-05-15T13:06:42Z", "ms": 74783202045.16072 } }, "covered_min": 80, "window_min": 80, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:53 on Mon 15 May to 01:53 on Tue 16 May.", "fact": "1972-05-14T20:53:02Z → 1972-05-15T17:53:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:46–21:06 on the 14th, 19:47–21:07 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 80 minutes on the 14th and 80 of 80 on the 15th.", "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 17186 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Qingyang, 1972: Monday 15 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": "1972-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-15", "confidence": "determinate" } ], "quote": "In Qingyang, Paraśurāma Jayantī 1972 falls on Monday 15 May. Tṛtīyā runs from 04:53 on Mon 15 May to 01:53 on Tue 16 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vinayaka-chaturthi?on=1972-05-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37237, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-05-16T01:53:08+08:00", "utc": "1972-05-15T17:53:08Z", "ms": 74800388154.34381 }, "end": { "local": "1972-05-16T23:30:35+08:00", "utc": "1972-05-16T15:30:35Z", "ms": 74878235060.59706 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-16T01:53:08+08:00", "utc": "1972-05-15T17:53:08Z", "ms": 74800388154.34381 }, "end": { "local": "1972-05-16T23:30:35+08:00", "utc": "1972-05-16T15:30:35Z", "ms": 74878235060.59706 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-05-15", "window": { "start": { "local": "1972-05-15T12:21:57+08:00", "utc": "1972-05-15T04:21:57Z", "ms": 74751717384.09442 }, "end": { "local": "1972-05-15T13:09:57+08:00", "utc": "1972-05-15T05:09:57Z", "ms": 74754597384.09442 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-05-16", "window": { "start": { "local": "1972-05-16T12:21:58+08:00", "utc": "1972-05-16T04:21:58Z", "ms": 74838118091.93433 }, "end": { "local": "1972-05-16T13:09:58+08:00", "utc": "1972-05-16T05:09:58Z", "ms": 74840998091.93433 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:53 on Tue 16 May to 23:31 on Tue 16 May.", "fact": "1972-05-15T17:53:08Z → 1972-05-16T15:30:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 15th, 12:22–13:10 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37237 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1972: Tuesday 16 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-16", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1972 falls on Tuesday 16 May. Caturthī runs from 01:53 on Tue 16 May to 23:31 on Tue 16 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/vinayaka-chaturthi?on=1972-05-16", "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/1972/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31330, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1972-05-16T23:30:35+08:00", "utc": "1972-05-16T15:30:35Z", "ms": 74878235060.59706 }, "end": { "local": "1972-05-17T21:52:09+08:00", "utc": "1972-05-17T13:52:09Z", "ms": 74958729172.9712 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-16T23:30:35+08:00", "utc": "1972-05-16T15:30:35Z", "ms": 74878235060.59706 }, "end": { "local": "1972-05-17T21:52:09+08:00", "utc": "1972-05-17T13:52:09Z", "ms": 74958729172.9712 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-05-16", "window": { "start": { "local": "1972-05-16T12:21:58+08:00", "utc": "1972-05-16T04:21:58Z", "ms": 74838118091.93433 }, "end": { "local": "1972-05-16T13:09:58+08:00", "utc": "1972-05-16T05:09:58Z", "ms": 74840998091.93433 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-05-17", "window": { "start": { "local": "1972-05-17T12:21:59+08:00", "utc": "1972-05-17T04:21:59Z", "ms": 74924519339.47723 }, "end": { "local": "1972-05-17T13:09:59+08:00", "utc": "1972-05-17T05:09:59Z", "ms": 74927399339.47723 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:31 on Tue 16 May to 21:52 on Wed 17 May.", "fact": "1972-05-16T15:30:35Z → 1972-05-17T13:52:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 16th, 12:22–13:10 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31330 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Qingyang, 1972: Wednesday 17 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": "1972-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-17", "confidence": "determinate" } ], "quote": "In Qingyang, Śaṅkara Jayantī 1972 falls on Wednesday 17 May. Pañcamī runs from 23:31 on Tue 16 May to 21:52 on Wed 17 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28191, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1972-05-18T21:01:46+08:00", "utc": "1972-05-18T13:01:46Z", "ms": 75042106096.1908 }, "end": { "local": "1972-05-19T20:59:54+08:00", "utc": "1972-05-19T12:59:54Z", "ms": 75128394479.88844 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-18T21:01:46+08:00", "utc": "1972-05-18T13:01:46Z", "ms": 75042106096.1908 }, "end": { "local": "1972-05-19T20:59:54+08:00", "utc": "1972-05-19T12:59:54Z", "ms": 75128394479.88844 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-05-18", "window": { "start": { "local": "1972-05-18T12:22:01+08:00", "utc": "1972-05-18T04:22:01Z", "ms": 75010921119.3802 }, "end": { "local": "1972-05-18T13:10:01+08:00", "utc": "1972-05-18T05:10:01Z", "ms": 75013801119.3802 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-05-19", "window": { "start": { "local": "1972-05-19T12:22:03+08:00", "utc": "1972-05-19T04:22:03Z", "ms": 75097323424.82306 }, "end": { "local": "1972-05-19T13:10:03+08:00", "utc": "1972-05-19T05:10:03Z", "ms": 75100203424.82306 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 21:02 on Thu 18 May to 21:00 on Fri 19 May.", "fact": "1972-05-18T13:01:46Z → 1972-05-19T12:59:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 18th, 12:22–13:10 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28191 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Qingyang, 1972: Friday 19 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": "1972-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-19", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṅgotpatti (Ganga Saptami) 1972 falls on Friday 19 May. Saptamī runs from 21:02 on Thu 18 May to 21:00 on Fri 19 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-05-23", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8946, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-05-23T00:57:40+08:00", "utc": "1972-05-22T16:57:40Z", "ms": 75401859561.82973 }, "end": { "local": "1972-05-24T03:09:38+08:00", "utc": "1972-05-23T19:09:38Z", "ms": 75496178221.74957 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-23T00:57:40+08:00", "utc": "1972-05-22T16:57:40Z", "ms": 75401859561.82973 }, "end": { "local": "1972-05-24T03:09:38+08:00", "utc": "1972-05-23T19:09:38Z", "ms": 75496178221.74957 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-05-23", "window": { "start": { "local": "1972-05-23T05:39:18+08:00", "utc": "1972-05-22T21:39:18Z", "ms": 75418758167.20389 }, "end": { "local": "1972-05-23T05:39:18+08:00", "utc": "1972-05-22T21:39:18Z", "ms": 75418758167.20389 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-05-24", "window": { "start": { "local": "1972-05-24T05:38:44+08:00", "utc": "1972-05-23T21:38:44Z", "ms": 75505123862.63477 }, "end": { "local": "1972-05-24T05:38:44+08:00", "utc": "1972-05-23T21:38:44Z", "ms": 75505123862.63477 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:58 on Tue 23 May to 03:10 on Wed 24 May.", "fact": "1972-05-22T16:57:40Z → 1972-05-23T19:09:38Z" }, { "step": "kaala", "text": "Sunrise is at 05:39 on the 23rd and 05:39 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 8946 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Qingyang, 1972: Tuesday 23 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": "1972-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-23", "confidence": "determinate" } ], "quote": "In Qingyang, Mohinī Ekādaśī 1972 falls on Tuesday 23 May. Ekādaśī runs from 00:58 on Tue 23 May to 03:10 on Wed 24 May and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-05-23", "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/1972/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24630, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1972-05-24T03:09:38+08:00", "utc": "1972-05-23T19:09:38Z", "ms": 75496178221.74957 }, "end": { "local": "1972-05-25T05:31:58+08:00", "utc": "1972-05-24T21:31:58Z", "ms": 75591118003.72673 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-24T03:09:38+08:00", "utc": "1972-05-23T19:09:38Z", "ms": 75496178221.74957 }, "end": { "local": "1972-05-25T05:31:58+08:00", "utc": "1972-05-24T21:31:58Z", "ms": 75591118003.72673 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-05-24", "window": { "start": { "local": "1972-05-24T12:22:23+08:00", "utc": "1972-05-24T04:22:23Z", "ms": 75529342605.59549 }, "end": { "local": "1972-05-24T13:10:23+08:00", "utc": "1972-05-24T05:10:23Z", "ms": 75532222605.59549 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-05-25", "window": { "start": { "local": "1972-05-25T12:22:28+08:00", "utc": "1972-05-25T04:22:28Z", "ms": 75615747924.06754 }, "end": { "local": "1972-05-25T13:10:28+08:00", "utc": "1972-05-25T05:10:28Z", "ms": 75618627924.06754 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:10 on Wed 24 May to 05:32 on Thu 25 May.", "fact": "1972-05-23T19:09:38Z → 1972-05-24T21:31:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 24th, 12:22–13:10 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24630 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Qingyang, 1972: Wednesday 24 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": "1972-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-24", "confidence": "determinate" } ], "quote": "In Qingyang, Paraśurāma Dvādaśī 1972 falls on Wednesday 24 May. Dvādaśī runs from 03:10 on Wed 24 May to 05:32 on Thu 25 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24630, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1972-05-24T03:09:38+08:00", "utc": "1972-05-23T19:09:38Z", "ms": 75496178221.74957 }, "end": { "local": "1972-05-25T05:31:58+08:00", "utc": "1972-05-24T21:31:58Z", "ms": 75591118003.72673 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-24T03:09:38+08:00", "utc": "1972-05-23T19:09:38Z", "ms": 75496178221.74957 }, "end": { "local": "1972-05-25T05:31:58+08:00", "utc": "1972-05-24T21:31:58Z", "ms": 75591118003.72673 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-05-24", "window": { "start": { "local": "1972-05-24T12:22:23+08:00", "utc": "1972-05-24T04:22:23Z", "ms": 75529342605.59549 }, "end": { "local": "1972-05-24T13:10:23+08:00", "utc": "1972-05-24T05:10:23Z", "ms": 75532222605.59549 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-05-25", "window": { "start": { "local": "1972-05-25T12:22:28+08:00", "utc": "1972-05-25T04:22:28Z", "ms": 75615747924.06754 }, "end": { "local": "1972-05-25T13:10:28+08:00", "utc": "1972-05-25T05:10:28Z", "ms": 75618627924.06754 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:10 on Wed 24 May to 05:32 on Thu 25 May.", "fact": "1972-05-23T19:09:38Z → 1972-05-24T21:31:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 24th, 12:22–13:10 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24630 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Qingyang, 1972: Wednesday 24 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": "1972-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-24", "confidence": "determinate" } ], "quote": "In Qingyang, Rukmiṇī Dvādaśī 1972 falls on Wednesday 24 May. Dvādaśī runs from 03:10 on Wed 24 May to 05:32 on Thu 25 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/pradosha-vrata?on=1972-05-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30003, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-05-25T05:31:58+08:00", "utc": "1972-05-24T21:31:58Z", "ms": 75591118003.72673 }, "end": { "local": "1972-05-26T07:56:27+08:00", "utc": "1972-05-25T23:56:27Z", "ms": 75686187154.8576 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-25T05:31:58+08:00", "utc": "1972-05-24T21:31:58Z", "ms": 75591118003.72673 }, "end": { "local": "1972-05-26T07:56:27+08:00", "utc": "1972-05-25T23:56:27Z", "ms": 75686187154.8576 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-05-24", "window": { "start": { "local": "1972-05-24T19:54:01+08:00", "utc": "1972-05-24T11:54:01Z", "ms": 75556441348.5562 }, "end": { "local": "1972-05-24T21:11:55+08:00", "utc": "1972-05-24T13:11:55Z", "ms": 75561114655.85927 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1972-05-25", "window": { "start": { "local": "1972-05-25T19:54:45+08:00", "utc": "1972-05-25T11:54:45Z", "ms": 75642884694.80586 }, "end": { "local": "1972-05-25T21:12:28+08:00", "utc": "1972-05-25T13:12:28Z", "ms": 75647548076.0723 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:32 on Thu 25 May to 07:56 on Fri 26 May.", "fact": "1972-05-24T21:31:58Z → 1972-05-25T23:56:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:54–21:12 on the 24th, 19:55–21:12 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 78 minutes on the 24th and 78 of 78 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 30003 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1972: Thursday 25 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": "1972-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-25", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1972 falls on Thursday 25 May. Trayodaśī runs from 05:32 on Thu 25 May to 07:56 on Fri 26 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-05-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34771, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-05-26T07:56:27+08:00", "utc": "1972-05-25T23:56:27Z", "ms": 75686187154.8576 }, "end": { "local": "1972-05-27T10:16:38+08:00", "utc": "1972-05-27T02:16:38Z", "ms": 75780998312.134 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-26T07:56:27+08:00", "utc": "1972-05-25T23:56:27Z", "ms": 75686187154.8576 }, "end": { "local": "1972-05-27T10:16:38+08:00", "utc": "1972-05-27T02:16:38Z", "ms": 75780998312.134 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-05-26", "window": { "start": { "local": "1972-05-26T19:55:27+08:00", "utc": "1972-05-26T11:55:27Z", "ms": 75729327383.30907 }, "end": { "local": "1972-05-26T21:13:01+08:00", "utc": "1972-05-26T13:13:01Z", "ms": 75733981142.85109 } }, "covered_min": 78, "window_min": 78, "qualifies": true }, { "local_date": "1972-05-27", "window": { "start": { "local": "1972-05-27T19:56:09+08:00", "utc": "1972-05-27T11:56:09Z", "ms": 75815769382.58107 }, "end": { "local": "1972-05-27T21:13:34+08:00", "utc": "1972-05-27T13:13:34Z", "ms": 75820413830.72025 } }, "covered_min": 0, "window_min": 77, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:56 on Fri 26 May to 10:17 on Sat 27 May.", "fact": "1972-05-25T23:56:27Z → 1972-05-27T02:16:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:55–21:13 on the 26th, 19:56–21:14 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 78 of 78 minutes on the 26th and 0 of 77 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34771 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Qingyang, 1972: Friday 26 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": "1972-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-26", "confidence": "determinate" } ], "quote": "In Qingyang, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1972 falls on Friday 26 May. Caturdaśī runs from 07:56 on Fri 26 May to 10:17 on Sat 27 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-27", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 290, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-05-27T10:16:38+08:00", "utc": "1972-05-27T02:16:38Z", "ms": 75780998312.134 }, "end": { "local": "1972-05-28T12:27:37+08:00", "utc": "1972-05-28T04:27:37Z", "ms": 75875256552.37245 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-27T10:16:38+08:00", "utc": "1972-05-27T02:16:38Z", "ms": 75780998312.134 }, "end": { "local": "1972-05-28T12:27:37+08:00", "utc": "1972-05-28T04:27:37Z", "ms": 75875256552.37245 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-05-27", "window": { "start": { "local": "1972-05-27T12:22:40+08:00", "utc": "1972-05-27T04:22:40Z", "ms": 75788559981.22766 }, "end": { "local": "1972-05-27T13:10:40+08:00", "utc": "1972-05-27T05:10:40Z", "ms": 75791439981.22766 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-05-28", "window": { "start": { "local": "1972-05-28T12:22:47+08:00", "utc": "1972-05-28T04:22:47Z", "ms": 75874966702.2146 }, "end": { "local": "1972-05-28T13:10:47+08:00", "utc": "1972-05-28T05:10:47Z", "ms": 75877846702.2146 } }, "covered_min": 5, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:17 on Sat 27 May to 12:28 on Sun 28 May.", "fact": "1972-05-27T02:16:38Z → 1972-05-28T04:27:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 27th, 12:23–13:11 on the 28th.", "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 27th and 5 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "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 290 s < 300 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Qingyang, 1972: Saturday 27 May.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "1972-05-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-27", "confidence": "boundary" } ], "quote": "In Qingyang, Buddha Pūrṇimā 1972 falls on Saturday 27 May. Pūrṇimā runs from 10:17 on Sat 27 May to 12:28 on Sun 28 May and covers all of madhyāhna that midday. It also reaches the next midday for 5 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 50 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-28", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 290, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-05-27T10:16:38+08:00", "utc": "1972-05-27T02:16:38Z", "ms": 75780998312.134 }, "end": { "local": "1972-05-28T12:27:37+08:00", "utc": "1972-05-28T04:27:37Z", "ms": 75875256552.37245 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-27T10:16:38+08:00", "utc": "1972-05-27T02:16:38Z", "ms": 75780998312.134 }, "end": { "local": "1972-05-28T12:27:37+08:00", "utc": "1972-05-28T04:27:37Z", "ms": 75875256552.37245 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-05-27", "window": { "start": { "local": "1972-05-27T12:22:40+08:00", "utc": "1972-05-27T04:22:40Z", "ms": 75788559981.22766 }, "end": { "local": "1972-05-27T13:10:40+08:00", "utc": "1972-05-27T05:10:40Z", "ms": 75791439981.22766 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-05-28", "window": { "start": { "local": "1972-05-28T12:22:47+08:00", "utc": "1972-05-28T04:22:47Z", "ms": 75874966702.2146 }, "end": { "local": "1972-05-28T13:10:47+08:00", "utc": "1972-05-28T05:10:47Z", "ms": 75877846702.2146 } }, "covered_min": 5, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:17 on Sat 27 May to 12:28 on Sun 28 May.", "fact": "1972-05-27T02:16:38Z → 1972-05-28T04:27:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 27th, 12:23–13:11 on the 28th.", "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 27th and 5 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 290 s < 300 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Qingyang, 1972: Sunday 28 May.", "fact": "confidence: boundary (margin)" } ], "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": "1972-05-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-28", "confidence": "determinate" } ], "quote": "In Qingyang, Sampat Gaurī Vrata 1972 falls on Sunday 28 May. Pūrṇimā runs from 10:17 on Sat 27 May to 12:28 on Sun 28 May and covers 5 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken. It is 4 min 50 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/sankashta-chaturthi?on=1972-05-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18143, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-05-31T17:26:47+08:00", "utc": "1972-05-31T09:26:47Z", "ms": 76152407236.20804 }, "end": { "local": "1972-06-01T18:22:14+08:00", "utc": "1972-06-01T10:22:14Z", "ms": 76242134101.4158 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1972-05-31T17:26:47+08:00", "utc": "1972-05-31T09:26:47Z", "ms": 76152407236.20804 }, "end": { "local": "1972-06-01T18:22:14+08:00", "utc": "1972-06-01T10:22:14Z", "ms": 76242134101.4158 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-05-31", "window": { "start": { "local": "1972-05-31T22:47:13+08:00", "utc": "1972-05-31T14:47:13Z", "ms": 76171632764.42628 }, "end": { "local": "1972-05-31T22:47:13+08:00", "utc": "1972-05-31T14:47:13Z", "ms": 76171632764.42628 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-06-01", "window": { "start": { "local": "1972-06-01T23:24:37+08:00", "utc": "1972-06-01T15:24:37Z", "ms": 76260277451.93764 }, "end": { "local": "1972-06-01T23:24:37+08:00", "utc": "1972-06-01T15:24:37Z", "ms": 76260277451.93764 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:27 on Wed 31 May to 18:22 on Thu 1 Jun.", "fact": "1972-05-31T09:26:47Z → 1972-06-01T10:22:14Z" }, { "step": "kaala", "text": "Moonrise is at 22:47 on the 31st and 23:25 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18143 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1972: Wednesday 31 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-05-31", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1972 falls on Wednesday 31 May. Caturthī runs from 17:27 on Wed 31 May to 18:22 on Thu 1 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/sankashta-chaturthi?on=1972-05-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/ekadashi?on=1972-06-08", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13033, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-06-07T12:08:26+08:00", "utc": "1972-06-07T04:08:26Z", "ms": 76738106094.05148 }, "end": { "local": "1972-06-08T09:10:41+08:00", "utc": "1972-06-08T01:10:41Z", "ms": 76813840791.9814 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1972-06-07T12:08:26+08:00", "utc": "1972-06-07T04:08:26Z", "ms": 76738106094.05148 }, "end": { "local": "1972-06-08T09:10:41+08:00", "utc": "1972-06-08T01:10:41Z", "ms": 76813840791.9814 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-06-07", "window": { "start": { "local": "1972-06-07T05:33:37+08:00", "utc": "1972-06-06T21:33:37Z", "ms": 76714416802.53566 }, "end": { "local": "1972-06-07T05:33:37+08:00", "utc": "1972-06-06T21:33:37Z", "ms": 76714416802.53566 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-06-08", "window": { "start": { "local": "1972-06-08T05:33:28+08:00", "utc": "1972-06-07T21:33:28Z", "ms": 76800807585.5813 }, "end": { "local": "1972-06-08T05:33:28+08:00", "utc": "1972-06-07T21:33:28Z", "ms": 76800807585.5813 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:08 on Wed 7 Jun to 09:11 on Thu 8 Jun.", "fact": "1972-06-07T04:08:26Z → 1972-06-08T01:10:41Z" }, { "step": "kaala", "text": "Sunrise is at 05:34 on the 7th and 05:33 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13033 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Qingyang, 1972: Thursday 8 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-06-08", "confidence": "determinate" } ], "quote": "In Qingyang, Aparā Ekādaśī 1972 falls on Thursday 8 June. Ekādaśī runs from 12:08 on Wed 7 Jun to 09:11 on Thu 8 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-06-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/pradosha-vrata?on=1972-06-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18237, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-06-09T05:52:55+08:00", "utc": "1972-06-08T21:52:55Z", "ms": 76888375438.16045 }, "end": { "local": "1972-06-10T02:23:49+08:00", "utc": "1972-06-09T18:23:49Z", "ms": 76962229234.77263 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1972-06-09T05:52:55+08:00", "utc": "1972-06-08T21:52:55Z", "ms": 76888375438.16045 }, "end": { "local": "1972-06-10T02:23:49+08:00", "utc": "1972-06-09T18:23:49Z", "ms": 76962229234.77263 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-06-08", "window": { "start": { "local": "1972-06-08T20:03:28+08:00", "utc": "1972-06-08T12:03:28Z", "ms": 76853007560.84718 }, "end": { "local": "1972-06-08T21:19:27+08:00", "utc": "1972-06-08T13:19:27Z", "ms": 76857566562.16846 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1972-06-09", "window": { "start": { "local": "1972-06-09T20:03:58+08:00", "utc": "1972-06-09T12:03:58Z", "ms": 76939437526.20624 }, "end": { "local": "1972-06-09T21:19:52+08:00", "utc": "1972-06-09T13:19:52Z", "ms": 76943991755.74306 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:53 on Fri 9 Jun to 02:24 on Sat 10 Jun.", "fact": "1972-06-08T21:52:55Z → 1972-06-09T18:23:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:03–21:19 on the 8th, 20:04–21:20 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 76 minutes on the 8th and 76 of 76 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18237 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1972: Friday 9 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": "1972-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-06-09", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1972 falls on Friday 9 June. Trayodaśī runs from 05:53 on Fri 9 Jun to 02:24 on Sat 10 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-06-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/shivaratri?on=1972-06-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-06-09", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 4273, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-06-10T02:23:49+08:00", "utc": "1972-06-09T18:23:49Z", "ms": 76962229234.77263 }, "end": { "local": "1972-06-10T22:52:52+08:00", "utc": "1972-06-10T14:52:52Z", "ms": 77035971819.53381 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1972-06-10T02:23:49+08:00", "utc": "1972-06-09T18:23:49Z", "ms": 76962229234.77263 }, "end": { "local": "1972-06-10T22:52:52+08:00", "utc": "1972-06-10T14:52:52Z", "ms": 77035971819.53381 } }, "kaala": "nishita", "days": [ { "local_date": "1972-06-09", "window": { "start": { "local": "1972-06-10T00:24:36+08:00", "utc": "1972-06-09T16:24:36Z", "ms": 76955075886.96933 }, "end": { "local": "1972-06-10T01:12:36+08:00", "utc": "1972-06-09T17:12:36Z", "ms": 76957955886.96933 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-06-10", "window": { "start": { "local": "1972-06-11T00:24:48+08:00", "utc": "1972-06-10T16:24:48Z", "ms": 77041488206.41296 }, "end": { "local": "1972-06-11T01:12:48+08:00", "utc": "1972-06-10T17:12:48Z", "ms": 77044368206.41296 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:24 on Sat 10 Jun to 22:53 on Sat 10 Jun.", "fact": "1972-06-09T18:23:49Z → 1972-06-10T14:52:52Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:25–01:13 on the 9th, 00:25–01:13 on the 10th.", "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 9th and 0 of 48 on the 10th.", "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 4273 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1972: Friday 9 June.", "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": "1972-06-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-06-09", "confidence": "boundary" } ], "quote": "In Qingyang, Śivarātri 1972 falls on Friday 9 June. Caturdaśī runs from 02:24 on Sat 10 Jun to 22:53 on Sat 10 Jun, and reaches niśītha on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1972/shivaratri?on=1972-06-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2020, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1972-06-13T13:47:06+08:00", "utc": "1972-06-13T05:47:06Z", "ms": 77262426014.08122 }, "end": { "local": "1972-06-14T11:44:45+08:00", "utc": "1972-06-14T03:44:45Z", "ms": 77341485058.00296 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1972-06-13T13:47:06+08:00", "utc": "1972-06-13T05:47:06Z", "ms": 77262426014.08122 }, "end": { "local": "1972-06-14T11:44:45+08:00", "utc": "1972-06-14T03:44:45Z", "ms": 77341485058.00296 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-06-13", "window": { "start": { "local": "1972-06-13T12:25:26+08:00", "utc": "1972-06-13T04:25:26Z", "ms": 77257525978.86848 }, "end": { "local": "1972-06-13T13:13:26+08:00", "utc": "1972-06-13T05:13:26Z", "ms": 77260405978.86848 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-06-14", "window": { "start": { "local": "1972-06-14T12:25:38+08:00", "utc": "1972-06-14T04:25:38Z", "ms": 77343938206.52937 }, "end": { "local": "1972-06-14T13:13:38+08:00", "utc": "1972-06-14T05:13:38Z", "ms": 77346818206.52937 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:47 on Tue 13 Jun to 11:45 on Wed 14 Jun.", "fact": "1972-06-13T05:47:06Z → 1972-06-14T03:44:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 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": "Tṛtīyā must be present during madhyāhna. It covers 0 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": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 2020 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Qingyang, 1972: Wednesday 14 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": "1972-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-06-13", "confidence": "determinate" } ], "quote": "In Qingyang, Rambhā Tṛtīyā 1972 falls on Wednesday 14 June. Tṛtīyā runs from 13:47 on Tue 13 Jun to 11:45 on Wed 14 Jun, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vinayaka-chaturthi?on=1972-06-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2453, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-06-14T11:44:45+08:00", "utc": "1972-06-14T03:44:45Z", "ms": 77341485058.00296 }, "end": { "local": "1972-06-15T10:24:22+08:00", "utc": "1972-06-15T02:24:22Z", "ms": 77423061584.7511 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1972-06-14T11:44:45+08:00", "utc": "1972-06-14T03:44:45Z", "ms": 77341485058.00296 }, "end": { "local": "1972-06-15T10:24:22+08:00", "utc": "1972-06-15T02:24:22Z", "ms": 77423061584.7511 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-06-14", "window": { "start": { "local": "1972-06-14T12:25:38+08:00", "utc": "1972-06-14T04:25:38Z", "ms": 77343938206.52937 }, "end": { "local": "1972-06-14T13:13:38+08:00", "utc": "1972-06-14T05:13:38Z", "ms": 77346818206.52937 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-06-15", "window": { "start": { "local": "1972-06-15T12:25:51+08:00", "utc": "1972-06-15T04:25:51Z", "ms": 77430350553.00441 }, "end": { "local": "1972-06-15T13:13:51+08:00", "utc": "1972-06-15T05:13:51Z", "ms": 77433230553.00441 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:45 on Wed 14 Jun to 10:24 on Thu 15 Jun.", "fact": "1972-06-14T03:44:45Z → 1972-06-15T02:24:22Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2453 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1972: Wednesday 14 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": "1972-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-06-14", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1972 falls on Wednesday 14 June. Caturthī runs from 11:45 on Wed 14 Jun to 10:24 on Thu 15 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/vinayaka-chaturthi?on=1972-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8642, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1972-06-16T09:49:55+08:00", "utc": "1972-06-16T01:49:55Z", "ms": 77507395244.55287 }, "end": { "local": "1972-06-17T10:02:13+08:00", "utc": "1972-06-17T02:02:13Z", "ms": 77594533259.69907 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1972-06-16T09:49:55+08:00", "utc": "1972-06-16T01:49:55Z", "ms": 77507395244.55287 }, "end": { "local": "1972-06-17T10:02:13+08:00", "utc": "1972-06-17T02:02:13Z", "ms": 77594533259.69907 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-06-16", "window": { "start": { "local": "1972-06-16T12:26:03+08:00", "utc": "1972-06-16T04:26:03Z", "ms": 77516762992.76157 }, "end": { "local": "1972-06-16T13:14:03+08:00", "utc": "1972-06-16T05:14:03Z", "ms": 77519642992.76157 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-06-17", "window": { "start": { "local": "1972-06-17T12:26:16+08:00", "utc": "1972-06-17T04:26:16Z", "ms": 77603175501.25555 }, "end": { "local": "1972-06-17T13:14:16+08:00", "utc": "1972-06-17T05:14:16Z", "ms": 77606055501.25555 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:50 on Fri 16 Jun to 10:02 on Sat 17 Jun.", "fact": "1972-06-16T01:49:55Z → 1972-06-17T02:02:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 16th, 12:26–13:14 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8642 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Qingyang, 1972: Friday 16 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": "1972-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-06-16", "confidence": "determinate" } ], "quote": "In Qingyang, Araṇya Gaurī Vrata 1972 falls on Friday 16 June. Ṣaṣṭhī runs from 09:50 on Fri 16 Jun to 10:02 on Sat 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8642, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1972-06-16T09:49:55+08:00", "utc": "1972-06-16T01:49:55Z", "ms": 77507395244.55287 }, "end": { "local": "1972-06-17T10:02:13+08:00", "utc": "1972-06-17T02:02:13Z", "ms": 77594533259.69907 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1972-06-16T09:49:55+08:00", "utc": "1972-06-16T01:49:55Z", "ms": 77507395244.55287 }, "end": { "local": "1972-06-17T10:02:13+08:00", "utc": "1972-06-17T02:02:13Z", "ms": 77594533259.69907 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-06-16", "window": { "start": { "local": "1972-06-16T12:26:03+08:00", "utc": "1972-06-16T04:26:03Z", "ms": 77516762992.76157 }, "end": { "local": "1972-06-16T13:14:03+08:00", "utc": "1972-06-16T05:14:03Z", "ms": 77519642992.76157 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-06-17", "window": { "start": { "local": "1972-06-17T12:26:16+08:00", "utc": "1972-06-17T04:26:16Z", "ms": 77603175501.25555 }, "end": { "local": "1972-06-17T13:14:16+08:00", "utc": "1972-06-17T05:14:16Z", "ms": 77606055501.25555 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:50 on Fri 16 Jun to 10:02 on Sat 17 Jun.", "fact": "1972-06-16T01:49:55Z → 1972-06-17T02:02:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 16th, 12:26–13:14 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8642 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Qingyang, 1972: Friday 16 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": "1972-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-06-16", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1972 falls on Friday 16 June. Ṣaṣṭhī runs from 09:50 on Fri 16 Jun to 10:02 on Sat 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-06-22", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37220, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-06-21T16:51:02+08:00", "utc": "1972-06-21T08:51:02Z", "ms": 77964661709.51956 }, "end": { "local": "1972-06-22T19:14:05+08:00", "utc": "1972-06-22T11:14:05Z", "ms": 78059644787.91835 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1972-06-21T16:51:02+08:00", "utc": "1972-06-21T08:51:02Z", "ms": 77964661709.51956 }, "end": { "local": "1972-06-22T19:14:05+08:00", "utc": "1972-06-22T11:14:05Z", "ms": 78059644787.91835 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-06-22", "window": { "start": { "local": "1972-06-22T05:34:10+08:00", "utc": "1972-06-21T21:34:10Z", "ms": 78010450328.44368 }, "end": { "local": "1972-06-22T05:34:10+08:00", "utc": "1972-06-21T21:34:10Z", "ms": 78010450328.44368 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-06-23", "window": { "start": { "local": "1972-06-23T05:34:25+08:00", "utc": "1972-06-22T21:34:25Z", "ms": 78096864916.87793 }, "end": { "local": "1972-06-23T05:34:25+08:00", "utc": "1972-06-22T21:34:25Z", "ms": 78096864916.87793 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:51 on Wed 21 Jun to 19:14 on Thu 22 Jun.", "fact": "1972-06-21T08:51:02Z → 1972-06-22T11:14:05Z" }, { "step": "kaala", "text": "Sunrise is at 05:34 on the 22nd and 05:34 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37220 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Qingyang, 1972: Thursday 22 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": "1972-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-06-22", "confidence": "determinate" } ], "quote": "In Qingyang, Nirjalā Ekādaśī 1972 falls on Thursday 22 June. Ekādaśī runs from 16:51 on Wed 21 Jun to 19:14 on Thu 22 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-06-22", "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/1972/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21527, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1972-06-22T19:14:05+08:00", "utc": "1972-06-22T11:14:05Z", "ms": 78059644787.91835 }, "end": { "local": "1972-06-23T21:32:06+08:00", "utc": "1972-06-23T13:32:06Z", "ms": 78154325868.56891 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1972-06-22T19:14:05+08:00", "utc": "1972-06-22T11:14:05Z", "ms": 78059644787.91835 }, "end": { "local": "1972-06-23T21:32:06+08:00", "utc": "1972-06-23T13:32:06Z", "ms": 78154325868.56891 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-06-22", "window": { "start": { "local": "1972-06-22T12:27:18+08:00", "utc": "1972-06-22T04:27:18Z", "ms": 78035238265.70123 }, "end": { "local": "1972-06-22T13:15:18+08:00", "utc": "1972-06-22T05:15:18Z", "ms": 78038118265.70123 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-06-23", "window": { "start": { "local": "1972-06-23T12:27:31+08:00", "utc": "1972-06-23T04:27:31Z", "ms": 78121650708.54767 }, "end": { "local": "1972-06-23T13:15:31+08:00", "utc": "1972-06-23T05:15:31Z", "ms": 78124530708.54767 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:14 on Thu 22 Jun to 21:32 on Fri 23 Jun.", "fact": "1972-06-22T11:14:05Z → 1972-06-23T13:32:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 22nd, 12:28–13:16 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "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 21527 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Qingyang, 1972: Friday 23 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": "1972-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-06-23", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Rāma Dvādaśī 1972 falls on Friday 23 June. Dvādaśī runs from 19:14 on Thu 22 Jun to 21:32 on Fri 23 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/pradosha-vrata?on=1972-06-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 481, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-06-23T21:32:06+08:00", "utc": "1972-06-23T13:32:06Z", "ms": 78154325868.56891 }, "end": { "local": "1972-06-24T23:36:57+08:00", "utc": "1972-06-24T15:36:57Z", "ms": 78248217485.41937 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1972-06-23T21:32:06+08:00", "utc": "1972-06-23T13:32:06Z", "ms": 78154325868.56891 }, "end": { "local": "1972-06-24T23:36:57+08:00", "utc": "1972-06-24T15:36:57Z", "ms": 78248217485.41937 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-06-23", "window": { "start": { "local": "1972-06-23T20:08:37+08:00", "utc": "1972-06-23T12:08:37Z", "ms": 78149316500.21739 }, "end": { "local": "1972-06-23T21:24:05+08:00", "utc": "1972-06-23T13:24:05Z", "ms": 78153845090.80814 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "1972-06-24", "window": { "start": { "local": "1972-06-24T20:08:45+08:00", "utc": "1972-06-24T12:08:45Z", "ms": 78235725200.99205 }, "end": { "local": "1972-06-24T21:24:15+08:00", "utc": "1972-06-24T13:24:15Z", "ms": 78240254953.18759 } }, "covered_min": 75, "window_min": 75, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:32 on Fri 23 Jun to 23:37 on Sat 24 Jun.", "fact": "1972-06-23T13:32:06Z → 1972-06-24T15:36:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:09–21:24 on the 23rd, 20:09–21:24 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 75 minutes on the 23rd and 75 of 75 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 481 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1972: Saturday 24 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": "1972-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-06-24", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1972 falls on Saturday 24 June. Trayodaśī runs from 21:32 on Fri 23 Jun to 23:37 on Sat 24 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-06-24", "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/1972/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14309, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-06-26T01:22:53+08:00", "utc": "1972-06-25T17:22:53Z", "ms": 78340972676.60648 }, "end": { "local": "1972-06-27T02:46:10+08:00", "utc": "1972-06-26T18:46:10Z", "ms": 78432370145.58293 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1972-06-26T01:22:53+08:00", "utc": "1972-06-25T17:22:53Z", "ms": 78340972676.60648 }, "end": { "local": "1972-06-27T02:46:10+08:00", "utc": "1972-06-26T18:46:10Z", "ms": 78432370145.58293 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-06-25", "window": { "start": { "local": "1972-06-25T20:08:52+08:00", "utc": "1972-06-25T12:08:52Z", "ms": 78322132289.02727 }, "end": { "local": "1972-06-25T21:24:24+08:00", "utc": "1972-06-25T13:24:24Z", "ms": 78326663601.21933 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1972-06-26", "window": { "start": { "local": "1972-06-26T20:08:58+08:00", "utc": "1972-06-26T12:08:58Z", "ms": 78408537749.55476 }, "end": { "local": "1972-06-26T21:24:31+08:00", "utc": "1972-06-26T13:24:31Z", "ms": 78413071018.72717 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:23 on Mon 26 Jun to 02:46 on Tue 27 Jun.", "fact": "1972-06-25T17:22:53Z → 1972-06-26T18:46:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:09–21:24 on the 25th, 20:09–21:25 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 76 minutes on the 25th and 76 of 76 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14309 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Qingyang, 1972: Monday 26 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vata-savitri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-06-26", "confidence": "determinate" } ], "quote": "In Qingyang, Vaṭa Sāvitrī Vrata 1972 falls on Monday 26 June. Pūrṇimā runs from 01:23 on Mon 26 Jun to 02:46 on Tue 27 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/sankashta-chaturthi?on=1972-06-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19908, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-06-30T04:23:38+08:00", "utc": "1972-06-29T20:23:38Z", "ms": 78697417910.66727 }, "end": { "local": "1972-07-01T04:03:10+08:00", "utc": "1972-06-30T20:03:10Z", "ms": 78782589680.19724 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-06-30T04:23:38+08:00", "utc": "1972-06-29T20:23:38Z", "ms": 78697417910.66727 }, "end": { "local": "1972-07-01T04:03:10+08:00", "utc": "1972-06-30T20:03:10Z", "ms": 78782589680.19724 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-06-29", "window": { "start": { "local": "1972-06-29T22:00:13+08:00", "utc": "1972-06-29T14:00:13Z", "ms": 78674412727.37395 }, "end": { "local": "1972-06-29T22:00:13+08:00", "utc": "1972-06-29T14:00:13Z", "ms": 78674412727.37395 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-06-30", "window": { "start": { "local": "1972-06-30T22:31:22+08:00", "utc": "1972-06-30T14:31:22Z", "ms": 78762681808.91032 }, "end": { "local": "1972-06-30T22:31:22+08:00", "utc": "1972-06-30T14:31:22Z", "ms": 78762681808.91032 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:24 on Fri 30 Jun to 04:03 on Sat 1 Jul.", "fact": "1972-06-29T20:23:38Z → 1972-06-30T20:03:10Z" }, { "step": "kaala", "text": "Moonrise is at 22:00 on the 29th and 22:31 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19908 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1972: Friday 30 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-06-30", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1972 falls on Friday 30 June. Caturthī runs from 04:24 on Fri 30 Jun to 04:03 on Sat 1 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/sankashta-chaturthi?on=1972-06-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/ekadashi?on=1972-07-07", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31874, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-07-06T17:20:45+08:00", "utc": "1972-07-06T09:20:45Z", "ms": 79262445493.3591 }, "end": { "local": "1972-07-07T14:31:20+08:00", "utc": "1972-07-07T06:31:20Z", "ms": 79338679989.18077 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-07-06T17:20:45+08:00", "utc": "1972-07-06T09:20:45Z", "ms": 79262445493.3591 }, "end": { "local": "1972-07-07T14:31:20+08:00", "utc": "1972-07-07T06:31:20Z", "ms": 79338679989.18077 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-07-06", "window": { "start": { "local": "1972-07-06T05:39:34+08:00", "utc": "1972-07-05T21:39:34Z", "ms": 79220373784.286 }, "end": { "local": "1972-07-06T05:39:34+08:00", "utc": "1972-07-05T21:39:34Z", "ms": 79220373784.286 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-07-07", "window": { "start": { "local": "1972-07-07T05:40:06+08:00", "utc": "1972-07-06T21:40:06Z", "ms": 79306805873.2467 }, "end": { "local": "1972-07-07T05:40:06+08:00", "utc": "1972-07-06T21:40:06Z", "ms": 79306805873.2467 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:21 on Thu 6 Jul to 14:31 on Fri 7 Jul.", "fact": "1972-07-06T09:20:45Z → 1972-07-07T06:31:20Z" }, { "step": "kaala", "text": "Sunrise is at 05:40 on the 6th and 05:40 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31874 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Qingyang, 1972: Friday 7 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": "1972-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-07", "confidence": "determinate" } ], "quote": "In Qingyang, Yoginī Ekādaśī 1972 falls on Friday 7 July. Ekādaśī runs from 17:21 on Thu 6 Jul to 14:31 on Fri 7 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-07-07", "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/1972/pradosha-vrata?on=1972-07-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30639, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-07-08T11:37:13+08:00", "utc": "1972-07-08T03:37:13Z", "ms": 79414633004.8128 }, "end": { "local": "1972-07-09T08:45:23+08:00", "utc": "1972-07-09T00:45:23Z", "ms": 79490723200.53511 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-07-08T11:37:13+08:00", "utc": "1972-07-08T03:37:13Z", "ms": 79414633004.8128 }, "end": { "local": "1972-07-09T08:45:23+08:00", "utc": "1972-07-09T00:45:23Z", "ms": 79490723200.53511 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-07-08", "window": { "start": { "local": "1972-07-08T20:07:52+08:00", "utc": "1972-07-08T12:07:52Z", "ms": 79445271637.53365 }, "end": { "local": "1972-07-08T21:24:18+08:00", "utc": "1972-07-08T13:24:18Z", "ms": 79449858491.11615 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "1972-07-09", "window": { "start": { "local": "1972-07-09T20:07:35+08:00", "utc": "1972-07-09T12:07:35Z", "ms": 79531655132.66386 }, "end": { "local": "1972-07-09T21:24:09+08:00", "utc": "1972-07-09T13:24:09Z", "ms": 79536248852.61815 } }, "covered_min": 0, "window_min": 77, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:37 on Sat 8 Jul to 08:45 on Sun 9 Jul.", "fact": "1972-07-08T03:37:13Z → 1972-07-09T00:45:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:08–21:24 on the 8th, 20:08–21:24 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 76 of 76 minutes on the 8th and 0 of 77 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30639 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1972: Saturday 8 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": "1972-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-08", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1972 falls on Saturday 8 July. Trayodaśī runs from 11:37 on Sat 8 Jul to 08:45 on Sun 9 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-07-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/shivaratri?on=1972-07-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17078, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-07-09T08:45:23+08:00", "utc": "1972-07-09T00:45:23Z", "ms": 79490723200.53511 }, "end": { "local": "1972-07-10T06:03:20+08:00", "utc": "1972-07-09T22:03:20Z", "ms": 79567399964.6447 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-07-09T08:45:23+08:00", "utc": "1972-07-09T00:45:23Z", "ms": 79490723200.53511 }, "end": { "local": "1972-07-10T06:03:20+08:00", "utc": "1972-07-09T22:03:20Z", "ms": 79567399964.6447 } }, "kaala": "nishita", "days": [ { "local_date": "1972-07-08", "window": { "start": { "local": "1972-07-09T00:30:32+08:00", "utc": "1972-07-08T16:30:32Z", "ms": 79461032338.46806 }, "end": { "local": "1972-07-09T01:18:32+08:00", "utc": "1972-07-08T17:18:32Z", "ms": 79463912338.46806 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-07-09", "window": { "start": { "local": "1972-07-10T00:30:42+08:00", "utc": "1972-07-09T16:30:42Z", "ms": 79547441582.4924 }, "end": { "local": "1972-07-10T01:18:42+08:00", "utc": "1972-07-09T17:18:42Z", "ms": 79550321582.4924 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:45 on Sun 9 Jul to 06:03 on Mon 10 Jul.", "fact": "1972-07-09T00:45:23Z → 1972-07-09T22:03:20Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:31–01:19 on the 8th, 00:31–01:19 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17078 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1972: Sunday 9 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-09", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1972 falls on Sunday 9 July. Caturdaśī runs from 08:45 on Sun 9 Jul to 06:03 on Mon 10 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1972/shivaratri?on=1972-07-09", "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/1972/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39097, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1972-07-12T01:39:10+08:00", "utc": "1972-07-11T17:39:10Z", "ms": 79724350459.02777 }, "end": { "local": "1972-07-13T00:11:29+08:00", "utc": "1972-07-12T16:11:29Z", "ms": 79805488831.98897 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-07-12T01:39:10+08:00", "utc": "1972-07-11T17:39:10Z", "ms": 79724350459.02777 }, "end": { "local": "1972-07-13T00:11:29+08:00", "utc": "1972-07-12T16:11:29Z", "ms": 79805488831.98897 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-07-12", "window": { "start": { "local": "1972-07-12T12:30:48+08:00", "utc": "1972-07-12T04:30:48Z", "ms": 79763447955.64325 }, "end": { "local": "1972-07-12T13:18:48+08:00", "utc": "1972-07-12T05:18:48Z", "ms": 79766327955.64325 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-07-13", "window": { "start": { "local": "1972-07-13T12:30:55+08:00", "utc": "1972-07-13T04:30:55Z", "ms": 79849855016.7861 }, "end": { "local": "1972-07-13T13:18:55+08:00", "utc": "1972-07-13T05:18:55Z", "ms": 79852735016.7861 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 01:39 on Wed 12 Jul to 00:11 on Thu 13 Jul.", "fact": "1972-07-11T17:39:10Z → 1972-07-12T16:11:29Z" }, { "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": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39097 s" }, { "step": "ruling", "text": "Rathayātrā, Qingyang, 1972: Wednesday 12 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-12", "confidence": "determinate" } ], "quote": "In Qingyang, Rathayātrā 1972 falls on Wednesday 12 July. Dvitīyā runs from 01:39 on Wed 12 Jul to 00:11 on Thu 13 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vinayaka-chaturthi?on=1972-07-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35595, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-07-13T23:21:18+08:00", "utc": "1972-07-13T15:21:18Z", "ms": 79888877926.6027 }, "end": { "local": "1972-07-14T23:12:16+08:00", "utc": "1972-07-14T15:12:16Z", "ms": 79974736308.15591 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-07-13T23:21:18+08:00", "utc": "1972-07-13T15:21:18Z", "ms": 79888877926.6027 }, "end": { "local": "1972-07-14T23:12:16+08:00", "utc": "1972-07-14T15:12:16Z", "ms": 79974736308.15591 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-07-13", "window": { "start": { "local": "1972-07-13T12:30:55+08:00", "utc": "1972-07-13T04:30:55Z", "ms": 79849855016.7861 }, "end": { "local": "1972-07-13T13:18:55+08:00", "utc": "1972-07-13T05:18:55Z", "ms": 79852735016.7861 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-07-14", "window": { "start": { "local": "1972-07-14T12:31:02+08:00", "utc": "1972-07-14T04:31:02Z", "ms": 79936261598.28079 }, "end": { "local": "1972-07-14T13:19:02+08:00", "utc": "1972-07-14T05:19:02Z", "ms": 79939141598.28079 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:21 on Thu 13 Jul to 23:12 on Fri 14 Jul.", "fact": "1972-07-13T15:21:18Z → 1972-07-14T15:12:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 13th, 12:31–13:19 on the 14th.", "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 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35595 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1972: Friday 14 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": "1972-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-14", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1972 falls on Friday 14 July. Caturthī runs from 23:21 on Thu 13 Jul to 23:12 on Fri 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/vinayaka-chaturthi?on=1972-07-14", "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/1972/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35595, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1972-07-14T23:12:16+08:00", "utc": "1972-07-14T15:12:16Z", "ms": 79974736308.15591 }, "end": { "local": "1972-07-15T23:45:16+08:00", "utc": "1972-07-15T15:45:16Z", "ms": 80063116433.44876 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-07-14T23:12:16+08:00", "utc": "1972-07-14T15:12:16Z", "ms": 79974736308.15591 }, "end": { "local": "1972-07-15T23:45:16+08:00", "utc": "1972-07-15T15:45:16Z", "ms": 80063116433.44876 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-07-14", "window": { "start": { "local": "1972-07-14T12:31:02+08:00", "utc": "1972-07-14T04:31:02Z", "ms": 79936261598.28079 }, "end": { "local": "1972-07-14T13:19:02+08:00", "utc": "1972-07-14T05:19:02Z", "ms": 79939141598.28079 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-07-15", "window": { "start": { "local": "1972-07-15T12:31:08+08:00", "utc": "1972-07-15T04:31:08Z", "ms": 80022667683.47987 }, "end": { "local": "1972-07-15T13:19:08+08:00", "utc": "1972-07-15T05:19:08Z", "ms": 80025547683.47987 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:12 on Fri 14 Jul to 23:45 on Sat 15 Jul.", "fact": "1972-07-14T15:12:16Z → 1972-07-15T15:45:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 14th, 12:31–13:19 on the 15th.", "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 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 35595 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Qingyang, 1972: Saturday 15 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": "1972-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-15", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Pañcamī 1972 falls on Saturday 15 July. Pañcamī runs from 23:12 on Fri 14 Jul to 23:45 on Sat 15 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35280, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1972-07-17T00:57:45+08:00", "utc": "1972-07-16T16:57:45Z", "ms": 80153864524.06105 }, "end": { "local": "1972-07-18T02:43:23+08:00", "utc": "1972-07-17T18:43:23Z", "ms": 80246602512.43854 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-07-17T00:57:45+08:00", "utc": "1972-07-16T16:57:45Z", "ms": 80153864524.06105 }, "end": { "local": "1972-07-18T02:43:23+08:00", "utc": "1972-07-17T18:43:23Z", "ms": 80246602512.43854 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-07-17", "window": { "start": { "local": "1972-07-17T12:31:18+08:00", "utc": "1972-07-17T04:31:18Z", "ms": 80195478306.64569 }, "end": { "local": "1972-07-17T13:19:18+08:00", "utc": "1972-07-17T05:19:18Z", "ms": 80198358306.64569 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-07-18", "window": { "start": { "local": "1972-07-18T12:31:23+08:00", "utc": "1972-07-18T04:31:23Z", "ms": 80281882819.20535 }, "end": { "local": "1972-07-18T13:19:23+08:00", "utc": "1972-07-18T05:19:23Z", "ms": 80284762819.20535 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:58 on Mon 17 Jul to 02:43 on Tue 18 Jul.", "fact": "1972-07-16T16:57:45Z → 1972-07-17T18:43:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 17th, 12:31–13:19 on the 18th.", "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 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35280 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Qingyang, 1972: Monday 17 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": "1972-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-17", "confidence": "determinate" } ], "quote": "In Qingyang, Vivasvat Saptamī 1972 falls on Monday 17 July. Saptamī runs from 00:58 on Mon 17 Jul to 02:43 on Tue 18 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-07-22", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13370, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-07-21T09:31:52+08:00", "utc": "1972-07-21T01:31:52Z", "ms": 80530312353.78049 }, "end": { "local": "1972-07-22T11:37:31+08:00", "utc": "1972-07-22T03:37:31Z", "ms": 80624250581.52296 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-07-21T09:31:52+08:00", "utc": "1972-07-21T01:31:52Z", "ms": 80530312353.78049 }, "end": { "local": "1972-07-22T11:37:31+08:00", "utc": "1972-07-22T03:37:31Z", "ms": 80624250581.52296 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-07-21", "window": { "start": { "local": "1972-07-21T05:49:02+08:00", "utc": "1972-07-20T21:49:02Z", "ms": 80516942246.4986 }, "end": { "local": "1972-07-21T05:49:02+08:00", "utc": "1972-07-20T21:49:02Z", "ms": 80516942246.4986 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-07-22", "window": { "start": { "local": "1972-07-22T05:49:45+08:00", "utc": "1972-07-21T21:49:45Z", "ms": 80603385224.30919 }, "end": { "local": "1972-07-22T05:49:45+08:00", "utc": "1972-07-21T21:49:45Z", "ms": 80603385224.30919 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:32 on Fri 21 Jul to 11:38 on Sat 22 Jul.", "fact": "1972-07-21T01:31:52Z → 1972-07-22T03:37:31Z" }, { "step": "kaala", "text": "Sunrise is at 05:49 on the 21st and 05:50 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13370 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Qingyang, 1972: Saturday 22 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": "1972-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-22", "confidence": "determinate" } ], "quote": "In Qingyang, Hariśayanī Ekādaśī 1972 falls on Saturday 22 July. Ekādaśī runs from 09:32 on Fri 21 Jul to 11:38 on Sat 22 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-07-22", "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/1972/pradosha-vrata?on=1972-07-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19567, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-07-23T13:20:20+08:00", "utc": "1972-07-23T05:20:20Z", "ms": 80716819590.74135 }, "end": { "local": "1972-07-24T14:33:57+08:00", "utc": "1972-07-24T06:33:57Z", "ms": 80807636738.71977 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-07-23T13:20:20+08:00", "utc": "1972-07-23T05:20:20Z", "ms": 80716819590.74135 }, "end": { "local": "1972-07-24T14:33:57+08:00", "utc": "1972-07-24T06:33:57Z", "ms": 80807636738.71977 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-07-23", "window": { "start": { "local": "1972-07-23T20:00:45+08:00", "utc": "1972-07-23T12:00:45Z", "ms": 80740845364.47609 }, "end": { "local": "1972-07-23T21:19:29+08:00", "utc": "1972-07-23T13:19:29Z", "ms": 80745568978.00195 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "1972-07-24", "window": { "start": { "local": "1972-07-24T20:00:04+08:00", "utc": "1972-07-24T12:00:04Z", "ms": 80827203763.18056 }, "end": { "local": "1972-07-24T21:18:59+08:00", "utc": "1972-07-24T13:18:59Z", "ms": 80831938817.78123 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:20 on Sun 23 Jul to 14:34 on Mon 24 Jul.", "fact": "1972-07-23T05:20:20Z → 1972-07-24T06:33:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:01–21:19 on the 23rd, 20:00–21:19 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 79 of 79 minutes on the 23rd and 0 of 79 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19567 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1972: Sunday 23 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": "1972-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-23", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1972 falls on Sunday 23 July. Trayodaśī runs from 13:20 on Sun 23 Jul to 14:34 on Mon 24 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-07-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6353, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-07-25T15:15:10+08:00", "utc": "1972-07-25T07:15:10Z", "ms": 80896509850.22075 }, "end": { "local": "1972-07-26T15:23:32+08:00", "utc": "1972-07-26T07:23:32Z", "ms": 80983411893.70036 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-07-25T15:15:10+08:00", "utc": "1972-07-25T07:15:10Z", "ms": 80896509850.22075 }, "end": { "local": "1972-07-26T15:23:32+08:00", "utc": "1972-07-26T07:23:32Z", "ms": 80983411893.70036 } }, "kaala": "sayahna", "days": [ { "local_date": "1972-07-25", "window": { "start": { "local": "1972-07-25T17:09:52+08:00", "utc": "1972-07-25T09:09:52Z", "ms": 80903391822.26051 }, "end": { "local": "1972-07-25T19:59:21+08:00", "utc": "1972-07-25T11:59:21Z", "ms": 80913560609.65425 } }, "covered_min": 169, "window_min": 169, "qualifies": true }, { "local_date": "1972-07-26", "window": { "start": { "local": "1972-07-26T17:09:25+08:00", "utc": "1972-07-26T09:09:25Z", "ms": 80989764987.66283 }, "end": { "local": "1972-07-26T19:58:36+08:00", "utc": "1972-07-26T11:58:36Z", "ms": 80999915925.92563 } }, "covered_min": 0, "window_min": 169, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:15 on Tue 25 Jul to 15:24 on Wed 26 Jul.", "fact": "1972-07-25T07:15:10Z → 1972-07-26T07:23:32Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:10–19:59 on the 25th, 17:09–19:59 on the 26th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 169 of 169 minutes on the 25th and 0 of 169 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6353 s" }, { "step": "ruling", "text": "Kokilā Vrata, Qingyang, 1972: Tuesday 25 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": "1972-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-25", "confidence": "determinate" } ], "quote": "In Qingyang, Kokilā Vrata 1972 falls on Tuesday 25 July. Pūrṇimā runs from 15:15 on Tue 25 Jul to 15:24 on Wed 26 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16504, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-07-25T15:15:10+08:00", "utc": "1972-07-25T07:15:10Z", "ms": 80896509850.22075 }, "end": { "local": "1972-07-26T15:23:32+08:00", "utc": "1972-07-26T07:23:32Z", "ms": 80983411893.70036 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-07-25T15:15:10+08:00", "utc": "1972-07-25T07:15:10Z", "ms": 80896509850.22075 }, "end": { "local": "1972-07-26T15:23:32+08:00", "utc": "1972-07-26T07:23:32Z", "ms": 80983411893.70036 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-07-25", "window": { "start": { "local": "1972-07-25T19:59:21+08:00", "utc": "1972-07-25T11:59:21Z", "ms": 80913560609.65425 }, "end": { "local": "1972-07-25T21:18:27+08:00", "utc": "1972-07-25T13:18:27Z", "ms": 80918307359.64856 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "1972-07-26", "window": { "start": { "local": "1972-07-26T19:58:36+08:00", "utc": "1972-07-26T11:58:36Z", "ms": 80999915925.92563 }, "end": { "local": "1972-07-26T21:17:55+08:00", "utc": "1972-07-26T13:17:55Z", "ms": 81004674619.4104 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:15 on Tue 25 Jul to 15:24 on Wed 26 Jul.", "fact": "1972-07-25T07:15:10Z → 1972-07-26T07:23:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:59–21:18 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": "Pūrṇimā must be present during pradoṣa. It covers 79 of 79 minutes on the 25th and 0 of 79 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16504 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Qingyang, 1972: Tuesday 25 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": "1972-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-25", "confidence": "determinate" } ], "quote": "In Qingyang, Śiva Śayanotsava 1972 falls on Tuesday 25 July. Pūrṇimā runs from 15:15 on Tue 25 Jul to 15:24 on Wed 26 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23624, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-07-25T15:15:10+08:00", "utc": "1972-07-25T07:15:10Z", "ms": 80896509850.22075 }, "end": { "local": "1972-07-26T15:23:32+08:00", "utc": "1972-07-26T07:23:32Z", "ms": 80983411893.70036 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-07-25T15:15:10+08:00", "utc": "1972-07-25T07:15:10Z", "ms": 80896509850.22075 }, "end": { "local": "1972-07-26T15:23:32+08:00", "utc": "1972-07-26T07:23:32Z", "ms": 80983411893.70036 } }, "kaala": "udaya-3", "days": [ { "local_date": "1972-07-25", "window": { "start": { "local": "1972-07-25T05:51:57+08:00", "utc": "1972-07-24T21:51:57Z", "ms": 80862716672.6856 }, "end": { "local": "1972-07-25T08:41:25+08:00", "utc": "1972-07-25T00:41:25Z", "ms": 80872885460.07933 } }, "covered_min": 0, "window_min": 169, "qualifies": false }, { "local_date": "1972-07-26", "window": { "start": { "local": "1972-07-26T05:52:41+08:00", "utc": "1972-07-25T21:52:41Z", "ms": 80949161234.61162 }, "end": { "local": "1972-07-26T08:41:52+08:00", "utc": "1972-07-26T00:41:52Z", "ms": 80959312172.87442 } }, "covered_min": 169, "window_min": 169, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:15 on Tue 25 Jul to 15:24 on Wed 26 Jul.", "fact": "1972-07-25T07:15:10Z → 1972-07-26T07:23:32Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:52–08:41 on the 25th, 05:53–08:42 on the 26th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 169 minutes on the 25th and 169 of 169 on the 26th.", "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 23624 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Qingyang, 1972: Wednesday 26 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vyasa-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "udaya-3", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-26", "confidence": "determinate" } ], "quote": "In Qingyang, Vyāsa Pūjā 1972 falls on Wednesday 26 July. Pūrṇimā runs from 15:15 on Tue 25 Jul to 15:24 on Wed 26 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6931, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-07-25T15:15:10+08:00", "utc": "1972-07-25T07:15:10Z", "ms": 80896509850.22075 }, "end": { "local": "1972-07-26T15:23:32+08:00", "utc": "1972-07-26T07:23:32Z", "ms": 80983411893.70036 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1972-07-25T15:15:10+08:00", "utc": "1972-07-25T07:15:10Z", "ms": 80896509850.22075 }, "end": { "local": "1972-07-26T15:23:32+08:00", "utc": "1972-07-26T07:23:32Z", "ms": 80983411893.70036 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-07-25", "window": { "start": { "local": "1972-07-25T12:31:39+08:00", "utc": "1972-07-25T04:31:39Z", "ms": 80886698641.16992 }, "end": { "local": "1972-07-25T13:19:39+08:00", "utc": "1972-07-25T05:19:39Z", "ms": 80889578641.16992 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-07-26", "window": { "start": { "local": "1972-07-26T12:31:39+08:00", "utc": "1972-07-26T04:31:39Z", "ms": 80973098580.26862 }, "end": { "local": "1972-07-26T13:19:39+08:00", "utc": "1972-07-26T05:19:39Z", "ms": 80975978580.26862 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:15 on Tue 25 Jul to 15:24 on Wed 26 Jul.", "fact": "1972-07-25T07:15:10Z → 1972-07-26T07:23:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 25th, 12:32–13:20 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6931 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Qingyang, 1972: Wednesday 26 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "guru-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-26", "confidence": "determinate" } ], "quote": "In Qingyang, Guru Pūrṇimā 1972 falls on Wednesday 26 July. Pūrṇimā runs from 15:15 on Tue 25 Jul to 15:24 on Wed 26 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19962, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1972-07-27T15:00:41+08:00", "utc": "1972-07-27T07:00:41Z", "ms": 81068441337.22943 }, "end": { "local": "1972-07-28T14:09:40+08:00", "utc": "1972-07-28T06:09:40Z", "ms": 81151780361.21388 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1972-07-27T15:00:41+08:00", "utc": "1972-07-27T07:00:41Z", "ms": 81068441337.22943 }, "end": { "local": "1972-07-28T14:09:40+08:00", "utc": "1972-07-28T06:09:40Z", "ms": 81151780361.21388 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-07-27", "window": { "start": { "local": "1972-07-27T20:33:24+08:00", "utc": "1972-07-27T12:33:24Z", "ms": 81088403723.68442 }, "end": { "local": "1972-07-27T20:33:24+08:00", "utc": "1972-07-27T12:33:24Z", "ms": 81088403723.68442 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-07-28", "window": { "start": { "local": "1972-07-28T21:03:34+08:00", "utc": "1972-07-28T13:03:34Z", "ms": 81176613659.40544 }, "end": { "local": "1972-07-28T21:03:34+08:00", "utc": "1972-07-28T13:03:34Z", "ms": 81176613659.40544 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 15:01 on Thu 27 Jul to 14:10 on Fri 28 Jul.", "fact": "1972-07-27T07:00:41Z → 1972-07-28T06:09:40Z" }, { "step": "kaala", "text": "Moonrise is at 20:33 on the 27th and 21:04 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19962 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Qingyang, 1972: Thursday 27 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata-ashadha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)." } ], "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-27", "confidence": "determinate" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata (Āṣāḍha) 1972 falls on Thursday 27 July. Dvitīyā runs from 15:01 on Thu 27 Jul to 14:10 on Fri 28 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/sankashta-chaturthi?on=1972-07-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31087, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-07-29T12:54:18+08:00", "utc": "1972-07-29T04:54:18Z", "ms": 81233658193.4047 }, "end": { "local": "1972-07-30T11:18:43+08:00", "utc": "1972-07-30T03:18:43Z", "ms": 81314322672.64255 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1972-07-29T12:54:18+08:00", "utc": "1972-07-29T04:54:18Z", "ms": 81233658193.4047 }, "end": { "local": "1972-07-30T11:18:43+08:00", "utc": "1972-07-30T03:18:43Z", "ms": 81314322672.64255 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-07-29", "window": { "start": { "local": "1972-07-29T21:32:25+08:00", "utc": "1972-07-29T13:32:25Z", "ms": 81264745134.27231 }, "end": { "local": "1972-07-29T21:32:25+08:00", "utc": "1972-07-29T13:32:25Z", "ms": 81264745134.27231 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-07-30", "window": { "start": { "local": "1972-07-30T22:01:24+08:00", "utc": "1972-07-30T14:01:24Z", "ms": 81352883669.61105 }, "end": { "local": "1972-07-30T22:01:24+08:00", "utc": "1972-07-30T14:01:24Z", "ms": 81352883669.61105 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:54 on Sat 29 Jul to 11:19 on Sun 30 Jul.", "fact": "1972-07-29T04:54:18Z → 1972-07-30T03:18:43Z" }, { "step": "kaala", "text": "Moonrise is at 21:32 on the 29th and 22:01 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31087 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1972: Saturday 29 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-07-29", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1972 falls on Saturday 29 July. Caturthī runs from 12:54 on Sat 29 Jul to 11:19 on Sun 30 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/sankashta-chaturthi?on=1972-07-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/ekadashi?on=1972-08-05", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27885, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-08-04T22:15:36+08:00", "utc": "1972-08-04T14:15:36Z", "ms": 81785736446.40916 }, "end": { "local": "1972-08-05T20:02:40+08:00", "utc": "1972-08-05T12:02:40Z", "ms": 81864159968.21277 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1972-08-04T22:15:36+08:00", "utc": "1972-08-04T14:15:36Z", "ms": 81785736446.40916 }, "end": { "local": "1972-08-05T20:02:40+08:00", "utc": "1972-08-05T12:02:40Z", "ms": 81864159968.21277 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-08-05", "window": { "start": { "local": "1972-08-05T06:00:21+08:00", "utc": "1972-08-04T22:00:21Z", "ms": 81813621466.10555 }, "end": { "local": "1972-08-05T06:00:21+08:00", "utc": "1972-08-04T22:00:21Z", "ms": 81813621466.10555 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-08-06", "window": { "start": { "local": "1972-08-06T06:01:08+08:00", "utc": "1972-08-05T22:01:08Z", "ms": 81900068480.48856 }, "end": { "local": "1972-08-06T06:01:08+08:00", "utc": "1972-08-05T22:01:08Z", "ms": 81900068480.48856 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:16 on Fri 4 Aug to 20:03 on Sat 5 Aug.", "fact": "1972-08-04T14:15:36Z → 1972-08-05T12:02:40Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 5th and 06:01 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27885 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Qingyang, 1972: Saturday 5 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": "1972-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-05", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmikā Ekādaśī 1972 falls on Saturday 5 August. Ekādaśī runs from 22:16 on Fri 4 Aug to 20:03 on Sat 5 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-08-05", "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/1972/pradosha-vrata?on=1972-08-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6609, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-08-06T17:58:41+08:00", "utc": "1972-08-06T09:58:41Z", "ms": 81943120776.05835 }, "end": { "local": "1972-08-07T16:08:00+08:00", "utc": "1972-08-07T08:08:00Z", "ms": 82022879879.62431 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1972-08-06T17:58:41+08:00", "utc": "1972-08-06T09:58:41Z", "ms": 81943120776.05835 }, "end": { "local": "1972-08-07T16:08:00+08:00", "utc": "1972-08-07T08:08:00Z", "ms": 82022879879.62431 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-08-06", "window": { "start": { "local": "1972-08-06T19:48:50+08:00", "utc": "1972-08-06T11:48:50Z", "ms": 81949730253.39244 }, "end": { "local": "1972-08-06T21:10:35+08:00", "utc": "1972-08-06T13:10:35Z", "ms": 81954634964.26408 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "1972-08-07", "window": { "start": { "local": "1972-08-07T19:47:49+08:00", "utc": "1972-08-07T11:47:49Z", "ms": 82036069093.08011 }, "end": { "local": "1972-08-07T21:09:48+08:00", "utc": "1972-08-07T13:09:48Z", "ms": 82040988248.17747 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:59 on Sun 6 Aug to 16:08 on Mon 7 Aug.", "fact": "1972-08-06T09:58:41Z → 1972-08-07T08:08:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:49–21:11 on the 6th, 19:48–21:10 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 82 of 82 minutes on the 6th and 0 of 82 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 6609 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1972: Sunday 6 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": "1972-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-06", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1972 falls on Sunday 6 August. Trayodaśī runs from 17:59 on Sun 6 Aug to 16:08 on Mon 7 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-08-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/shivaratri?on=1972-08-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30196, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-08-07T16:08:00+08:00", "utc": "1972-08-07T08:08:00Z", "ms": 82022879879.62431 }, "end": { "local": "1972-08-08T14:35:23+08:00", "utc": "1972-08-08T06:35:23Z", "ms": 82103722557.01201 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1972-08-07T16:08:00+08:00", "utc": "1972-08-07T08:08:00Z", "ms": 82022879879.62431 }, "end": { "local": "1972-08-08T14:35:23+08:00", "utc": "1972-08-08T06:35:23Z", "ms": 82103722557.01201 } }, "kaala": "nishita", "days": [ { "local_date": "1972-08-07", "window": { "start": { "local": "1972-08-08T00:31:16+08:00", "utc": "1972-08-07T16:31:16Z", "ms": 82053075924.6952 }, "end": { "local": "1972-08-08T01:19:16+08:00", "utc": "1972-08-07T17:19:16Z", "ms": 82055955924.6952 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-08-08", "window": { "start": { "local": "1972-08-09T00:31:08+08:00", "utc": "1972-08-08T16:31:08Z", "ms": 82139468345.16872 }, "end": { "local": "1972-08-09T01:19:08+08:00", "utc": "1972-08-08T17:19:08Z", "ms": 82142348345.16872 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:08 on Mon 7 Aug to 14:35 on Tue 8 Aug.", "fact": "1972-08-07T08:08:00Z → 1972-08-08T06:35:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:31–01:19 on the 7th, 00:31–01:19 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30196 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1972: Monday 7 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": "1972-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-07", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1972 falls on Monday 7 August. Caturdaśī runs from 16:08 on Mon 7 Aug to 14:35 on Tue 8 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1972/shivaratri?on=1972-08-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-12", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 266, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1972-08-11T12:34:44+08:00", "utc": "1972-08-11T04:34:44Z", "ms": 82355684209.10631 }, "end": { "local": "1972-08-12T13:00:23+08:00", "utc": "1972-08-12T05:00:23Z", "ms": 82443622743.19139 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1972-08-11T12:34:44+08:00", "utc": "1972-08-11T04:34:44Z", "ms": 82355684209.10631 }, "end": { "local": "1972-08-12T13:00:23+08:00", "utc": "1972-08-12T05:00:23Z", "ms": 82443622743.19139 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-08-11", "window": { "start": { "local": "1972-08-11T12:30:18+08:00", "utc": "1972-08-11T04:30:18Z", "ms": 82355418497.51337 }, "end": { "local": "1972-08-11T13:18:18+08:00", "utc": "1972-08-11T05:18:18Z", "ms": 82358298497.51337 } }, "covered_min": 44, "window_min": 48, "qualifies": true }, { "local_date": "1972-08-12", "window": { "start": { "local": "1972-08-12T12:30:09+08:00", "utc": "1972-08-12T04:30:09Z", "ms": 82441808614.4533 }, "end": { "local": "1972-08-12T13:18:09+08:00", "utc": "1972-08-12T05:18:09Z", "ms": 82444688614.4533 } }, "covered_min": 30, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:35 on Fri 11 Aug to 13:00 on Sat 12 Aug.", "fact": "1972-08-11T04:34:44Z → 1972-08-12T05:00:23Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 44 of 48 minutes on the 11th and 30 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 266 s < 300 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Qingyang, 1972: Saturday 12 August.", "fact": "confidence: boundary (margin)" } ], "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": "1972-08-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-12", "confidence": "determinate" } ], "quote": "In Qingyang, Madhusravā Tṛtīyā (Hariyali Teej) 1972 falls on Saturday 12 August. Tṛtīyā runs from 12:35 on Fri 11 Aug to 13:00 on Sat 12 Aug and covers 30 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 44 minutes; by the rule the second midday is taken. It is 4 min 26 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vinayaka-chaturthi?on=1972-08-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-13", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1066, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-08-12T13:00:23+08:00", "utc": "1972-08-12T05:00:23Z", "ms": 82443622743.19139 }, "end": { "local": "1972-08-13T14:01:45+08:00", "utc": "1972-08-13T06:01:45Z", "ms": 82533704733.6709 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1972-08-12T13:00:23+08:00", "utc": "1972-08-12T05:00:23Z", "ms": 82443622743.19139 }, "end": { "local": "1972-08-13T14:01:45+08:00", "utc": "1972-08-13T06:01:45Z", "ms": 82533704733.6709 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-08-12", "window": { "start": { "local": "1972-08-12T12:30:09+08:00", "utc": "1972-08-12T04:30:09Z", "ms": 82441808614.4533 }, "end": { "local": "1972-08-12T13:18:09+08:00", "utc": "1972-08-12T05:18:09Z", "ms": 82444688614.4533 } }, "covered_min": 18, "window_min": 48, "qualifies": true }, { "local_date": "1972-08-13", "window": { "start": { "local": "1972-08-13T12:29:58+08:00", "utc": "1972-08-13T04:29:58Z", "ms": 82528198170.21968 }, "end": { "local": "1972-08-13T13:17:58+08:00", "utc": "1972-08-13T05:17:58Z", "ms": 82531078170.21968 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:00 on Sat 12 Aug to 14:02 on Sun 13 Aug.", "fact": "1972-08-12T05:00:23Z → 1972-08-13T06:01:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 12th, 12:30–13:18 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 18 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1066 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1972: Sunday 13 August.", "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": "1972-08-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-13", "confidence": "boundary" } ], "quote": "In Qingyang, Vināyaka Caturthī 1972 falls on Sunday 13 August. Caturthī runs from 13:00 on Sat 12 Aug to 14:02 on Sun 13 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 18 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1972/vinayaka-chaturthi?on=1972-08-13", "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/1972/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2627, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1972-08-13T14:01:45+08:00", "utc": "1972-08-13T06:01:45Z", "ms": 82533704733.6709 }, "end": { "local": "1972-08-14T15:36:22+08:00", "utc": "1972-08-14T07:36:22Z", "ms": 82625782488.68474 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1972-08-13T14:01:45+08:00", "utc": "1972-08-13T06:01:45Z", "ms": 82533704733.6709 }, "end": { "local": "1972-08-14T15:36:22+08:00", "utc": "1972-08-14T07:36:22Z", "ms": 82625782488.68474 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-08-13", "window": { "start": { "local": "1972-08-13T12:29:58+08:00", "utc": "1972-08-13T04:29:58Z", "ms": 82528198170.21968 }, "end": { "local": "1972-08-13T13:17:58+08:00", "utc": "1972-08-13T05:17:58Z", "ms": 82531078170.21968 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-08-14", "window": { "start": { "local": "1972-08-14T12:29:47+08:00", "utc": "1972-08-14T04:29:47Z", "ms": 82614587170.9252 }, "end": { "local": "1972-08-14T13:17:47+08:00", "utc": "1972-08-14T05:17:47Z", "ms": 82617467170.9252 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:02 on Sun 13 Aug to 15:36 on Mon 14 Aug.", "fact": "1972-08-13T06:01:45Z → 1972-08-14T07:36:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 13th, 12:30–13:18 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2627 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Qingyang, 1972: Monday 14 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": "1972-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-14", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī 1972 falls on Monday 14 August. Pañcamī runs from 14:02 on Sun 13 Aug to 15:36 on Mon 14 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-08-20", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8847, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-08-20T02:26:29+08:00", "utc": "1972-08-19T18:26:29Z", "ms": 83096789349.84036 }, "end": { "local": "1972-08-21T03:45:27+08:00", "utc": "1972-08-20T19:45:27Z", "ms": 83187926655.10303 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1972-08-20T02:26:29+08:00", "utc": "1972-08-19T18:26:29Z", "ms": 83096789349.84036 }, "end": { "local": "1972-08-21T03:45:27+08:00", "utc": "1972-08-20T19:45:27Z", "ms": 83187926655.10303 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-08-20", "window": { "start": { "local": "1972-08-20T06:12:07+08:00", "utc": "1972-08-19T22:12:07Z", "ms": 83110327485.143 }, "end": { "local": "1972-08-20T06:12:07+08:00", "utc": "1972-08-19T22:12:07Z", "ms": 83110327485.143 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-08-21", "window": { "start": { "local": "1972-08-21T06:12:54+08:00", "utc": "1972-08-20T22:12:54Z", "ms": 83196774074.49039 }, "end": { "local": "1972-08-21T06:12:54+08:00", "utc": "1972-08-20T22:12:54Z", "ms": 83196774074.49039 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:26 on Sun 20 Aug to 03:45 on Mon 21 Aug.", "fact": "1972-08-19T18:26:29Z → 1972-08-20T19:45:27Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 20th and 06:13 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8847 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Qingyang, 1972: Sunday 20 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": "1972-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-20", "confidence": "determinate" } ], "quote": "In Qingyang, Putradā Ekādaśī 1972 falls on Sunday 20 August. Ekādaśī runs from 02:26 on Sun 20 Aug to 03:45 on Mon 21 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-08-20", "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/1972/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28975, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1972-08-21T03:45:27+08:00", "utc": "1972-08-20T19:45:27Z", "ms": 83187926655.10303 }, "end": { "local": "1972-08-22T04:25:05+08:00", "utc": "1972-08-21T20:25:05Z", "ms": 83276705122.7943 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1972-08-21T03:45:27+08:00", "utc": "1972-08-20T19:45:27Z", "ms": 83187926655.10303 }, "end": { "local": "1972-08-22T04:25:05+08:00", "utc": "1972-08-21T20:25:05Z", "ms": 83276705122.7943 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-08-21", "window": { "start": { "local": "1972-08-21T12:28:15+08:00", "utc": "1972-08-21T04:28:15Z", "ms": 83219295375.44446 }, "end": { "local": "1972-08-21T13:16:15+08:00", "utc": "1972-08-21T05:16:15Z", "ms": 83222175375.44446 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-08-22", "window": { "start": { "local": "1972-08-22T12:28:00+08:00", "utc": "1972-08-22T04:28:00Z", "ms": 83305680282.92209 }, "end": { "local": "1972-08-22T13:16:00+08:00", "utc": "1972-08-22T05:16:00Z", "ms": 83308560282.92209 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:45 on Mon 21 Aug to 04:25 on Tue 22 Aug.", "fact": "1972-08-20T19:45:27Z → 1972-08-21T20:25:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 21st, 12:28–13:16 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28975 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Qingyang, 1972: Monday 21 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": "1972-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-21", "confidence": "determinate" } ], "quote": "In Qingyang, Dāmodara Dvādaśī 1972 falls on Monday 21 August. Dvādaśī runs from 03:45 on Mon 21 Aug to 04:25 on Tue 22 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/pradosha-vrata?on=1972-08-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26807, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-08-22T04:25:05+08:00", "utc": "1972-08-21T20:25:05Z", "ms": 83276705122.7943 }, "end": { "local": "1972-08-23T04:23:00+08:00", "utc": "1972-08-22T20:23:00Z", "ms": 83362979712.78107 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1972-08-22T04:25:05+08:00", "utc": "1972-08-21T20:25:05Z", "ms": 83276705122.7943 }, "end": { "local": "1972-08-23T04:23:00+08:00", "utc": "1972-08-22T20:23:00Z", "ms": 83362979712.78107 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-08-21", "window": { "start": { "local": "1972-08-21T19:31:37+08:00", "utc": "1972-08-21T11:31:37Z", "ms": 83244696676.39851 }, "end": { "local": "1972-08-21T20:57:13+08:00", "utc": "1972-08-21T12:57:13Z", "ms": 83249833194.7221 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "1972-08-22", "window": { "start": { "local": "1972-08-22T19:30:20+08:00", "utc": "1972-08-22T11:30:20Z", "ms": 83331020002.01872 }, "end": { "local": "1972-08-22T20:56:13+08:00", "utc": "1972-08-22T12:56:13Z", "ms": 83336172928.87589 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:25 on Tue 22 Aug to 04:23 on Wed 23 Aug.", "fact": "1972-08-21T20:25:05Z → 1972-08-22T20:23:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:32–20:57 on the 21st, 19:30–20:56 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 86 minutes on the 21st and 86 of 86 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 26807 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1972: Tuesday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-22", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1972 falls on Tuesday 22 August. Trayodaśī runs from 04:25 on Tue 22 Aug to 04:23 on Wed 23 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-08-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14061, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-08-24T03:40:27+08:00", "utc": "1972-08-23T19:40:27Z", "ms": 83446827300.0428 }, "end": { "local": "1972-08-25T02:21:38+08:00", "utc": "1972-08-24T18:21:38Z", "ms": 83528498340.43959 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1972-08-24T15:05:14+08:00", "utc": "1972-08-24T07:05:14Z", "ms": 83487913966.21742 }, "end": { "local": "1972-08-25T02:21:38+08:00", "utc": "1972-08-24T18:21:38Z", "ms": 83528498340.43959 } }, "kaala": "day", "days": [ { "local_date": "1972-08-24", "window": { "start": { "local": "1972-08-24T06:15:13+08:00", "utc": "1972-08-23T22:15:13Z", "ms": 83456113245.51872 }, "end": { "local": "1972-08-25T06:15:59+08:00", "utc": "1972-08-24T22:15:59Z", "ms": 83542559444.05164 } }, "covered_min": 676, "window_min": 1441, "qualifies": true }, { "local_date": "1972-08-25", "window": { "start": { "local": "1972-08-25T06:15:59+08:00", "utc": "1972-08-24T22:15:59Z", "ms": 83542559444.05164 }, "end": { "local": "1972-08-26T06:16:46+08:00", "utc": "1972-08-25T22:16:46Z", "ms": 83629005554.72113 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:40 on Thu 24 Aug to 02:22 on Fri 25 Aug. Its second half begins at 15:05 on Thu 24 Aug.", "fact": "1972-08-23T19:40:27Z → 1972-08-24T18:21:38Z · second half from 1972-08-24T07:05:14Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:15 on the 24th, and from 06:16 on the 25th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The second half of Pūrṇimā must be present during the day. It covers 676 of 1441 minutes on the 24th and 0 of 1441 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14061 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Qingyang, 1972: Thursday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-24", "confidence": "determinate" } ], "quote": "In Qingyang, Rakṣā Bandhana (Rakhi) 1972 falls on Thursday 24 August. The second half of Pūrṇimā runs from 15:05 on Thu 24 Aug to 02:22 on Fri 25 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31621, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-08-24T03:40:27+08:00", "utc": "1972-08-23T19:40:27Z", "ms": 83446827300.0428 }, "end": { "local": "1972-08-25T02:21:38+08:00", "utc": "1972-08-24T18:21:38Z", "ms": 83528498340.43959 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1972-08-24T03:40:27+08:00", "utc": "1972-08-23T19:40:27Z", "ms": 83446827300.0428 }, "end": { "local": "1972-08-25T02:21:38+08:00", "utc": "1972-08-24T18:21:38Z", "ms": 83528498340.43959 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-08-24", "window": { "start": { "local": "1972-08-24T12:27:29+08:00", "utc": "1972-08-24T04:27:29Z", "ms": 83478448753.62793 }, "end": { "local": "1972-08-24T13:15:29+08:00", "utc": "1972-08-24T05:15:29Z", "ms": 83481328753.62793 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-08-25", "window": { "start": { "local": "1972-08-25T12:27:12+08:00", "utc": "1972-08-25T04:27:12Z", "ms": 83564832350.47534 }, "end": { "local": "1972-08-25T13:15:12+08:00", "utc": "1972-08-25T05:15:12Z", "ms": 83567712350.47534 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:40 on Thu 24 Aug to 02:22 on Fri 25 Aug.", "fact": "1972-08-23T19:40:27Z → 1972-08-24T18:21:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 24th, 12:27–13:15 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31621 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Qingyang, 1972: Thursday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-24", "confidence": "determinate" } ], "quote": "In Qingyang, Ṛṣi Tarpaṇa 1972 falls on Thursday 24 August. Pūrṇimā runs from 03:40 on Thu 24 Aug to 02:22 on Fri 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8250, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1972-08-26T00:32:42+08:00", "utc": "1972-08-25T16:32:42Z", "ms": 83608361962.29051 }, "end": { "local": "1972-08-26T22:20:55+08:00", "utc": "1972-08-26T14:20:55Z", "ms": 83686854849.99898 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-08-26T00:32:42+08:00", "utc": "1972-08-25T16:32:42Z", "ms": 83608361962.29051 }, "end": { "local": "1972-08-26T22:20:55+08:00", "utc": "1972-08-26T14:20:55Z", "ms": 83686854849.99898 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-08-25", "window": { "start": { "local": "1972-08-25T19:33:45+08:00", "utc": "1972-08-25T11:33:45Z", "ms": 83590425228.8681 }, "end": { "local": "1972-08-25T19:33:45+08:00", "utc": "1972-08-25T11:33:45Z", "ms": 83590425228.8681 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-08-26", "window": { "start": { "local": "1972-08-26T20:03:25+08:00", "utc": "1972-08-26T12:03:25Z", "ms": 83678604903.86044 }, "end": { "local": "1972-08-26T20:03:25+08:00", "utc": "1972-08-26T12:03:25Z", "ms": 83678604903.86044 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 00:33 on Sat 26 Aug to 22:21 on Sat 26 Aug.", "fact": "1972-08-25T16:32:42Z → 1972-08-26T14:20:55Z" }, { "step": "kaala", "text": "Moonrise is at 19:34 on the 25th and 20:03 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8250 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Qingyang, 1972: Saturday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-26", "confidence": "determinate" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata 1972 falls on Saturday 26 August. Dvitīyā runs from 00:33 on Sat 26 Aug to 22:21 on Sat 26 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23960, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1972-08-26T22:20:55+08:00", "utc": "1972-08-26T14:20:55Z", "ms": 83686854849.99898 }, "end": { "local": "1972-08-27T19:53:58+08:00", "utc": "1972-08-27T11:53:58Z", "ms": 83764438098.56775 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-08-26T22:20:55+08:00", "utc": "1972-08-26T14:20:55Z", "ms": 83686854849.99898 }, "end": { "local": "1972-08-27T19:53:58+08:00", "utc": "1972-08-27T11:53:58Z", "ms": 83764438098.56775 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-08-26", "window": { "start": { "local": "1972-08-26T12:26:56+08:00", "utc": "1972-08-26T04:26:56Z", "ms": 83651215545.6484 }, "end": { "local": "1972-08-26T13:14:56+08:00", "utc": "1972-08-26T05:14:56Z", "ms": 83654095545.6484 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-08-27", "window": { "start": { "local": "1972-08-27T12:26:38+08:00", "utc": "1972-08-27T04:26:38Z", "ms": 83737598358.05246 }, "end": { "local": "1972-08-27T13:14:38+08:00", "utc": "1972-08-27T05:14:38Z", "ms": 83740478358.05246 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:21 on Sat 26 Aug to 19:54 on Sun 27 Aug.", "fact": "1972-08-26T14:20:55Z → 1972-08-27T11:53:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 26th, 12:27–13:15 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23960 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Qingyang, 1972: Sunday 27 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-27", "confidence": "determinate" } ], "quote": "In Qingyang, Kajjalī Tṛtīyā (Kajari Teej) 1972 falls on Sunday 27 August. Tṛtīyā runs from 22:21 on Sat 26 Aug to 19:54 on Sun 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/sankashta-chaturthi?on=1972-08-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2414, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-08-27T19:53:58+08:00", "utc": "1972-08-27T11:53:58Z", "ms": 83764438098.56775 }, "end": { "local": "1972-08-28T17:19:22+08:00", "utc": "1972-08-28T09:19:22Z", "ms": 83841562436.32289 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-08-27T19:53:58+08:00", "utc": "1972-08-27T11:53:58Z", "ms": 83764438098.56775 }, "end": { "local": "1972-08-28T17:19:22+08:00", "utc": "1972-08-28T09:19:22Z", "ms": 83841562436.32289 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-08-27", "window": { "start": { "local": "1972-08-27T20:34:12+08:00", "utc": "1972-08-27T12:34:12Z", "ms": 83766852380.19609 }, "end": { "local": "1972-08-27T20:34:12+08:00", "utc": "1972-08-27T12:34:12Z", "ms": 83766852380.19609 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-08-28", "window": { "start": { "local": "1972-08-28T21:07:44+08:00", "utc": "1972-08-28T13:07:44Z", "ms": 83855264435.91261 }, "end": { "local": "1972-08-28T21:07:44+08:00", "utc": "1972-08-28T13:07:44Z", "ms": 83855264435.91261 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:54 on Sun 27 Aug to 17:19 on Mon 28 Aug.", "fact": "1972-08-27T11:53:58Z → 1972-08-28T09:19:22Z" }, { "step": "kaala", "text": "Moonrise is at 20:34 on the 27th and 21:08 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2414 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1972: Sunday 27 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": "1972-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-27", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1972 falls on Sunday 27 August. Caturthī runs from 19:54 on Sun 27 Aug to 17:19 on Mon 28 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/sankashta-chaturthi?on=1972-08-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1813, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-08-27T19:53:58+08:00", "utc": "1972-08-27T11:53:58Z", "ms": 83764438098.56775 }, "end": { "local": "1972-08-28T17:19:22+08:00", "utc": "1972-08-28T09:19:22Z", "ms": 83841562436.32289 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-08-27T19:53:58+08:00", "utc": "1972-08-27T11:53:58Z", "ms": 83764438098.56775 }, "end": { "local": "1972-08-28T17:19:22+08:00", "utc": "1972-08-28T09:19:22Z", "ms": 83841562436.32289 } }, "kaala": "sayahna", "days": [ { "local_date": "1972-08-27", "window": { "start": { "local": "1972-08-27T16:46:30+08:00", "utc": "1972-08-27T08:46:30Z", "ms": 83753190422.20505 }, "end": { "local": "1972-08-27T19:23:45+08:00", "utc": "1972-08-27T11:23:45Z", "ms": 83762625131.64009 } }, "covered_min": 0, "window_min": 157, "qualifies": false }, { "local_date": "1972-08-28", "window": { "start": { "local": "1972-08-28T16:45:35+08:00", "utc": "1972-08-28T08:45:35Z", "ms": 83839534766.58717 }, "end": { "local": "1972-08-28T19:22:24+08:00", "utc": "1972-08-28T11:22:24Z", "ms": 83848944073.0104 } }, "covered_min": 34, "window_min": 157, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:54 on Sun 27 Aug to 17:19 on Mon 28 Aug.", "fact": "1972-08-27T11:53:58Z → 1972-08-28T09:19:22Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:47–19:24 on the 27th, 16:46–19:22 on the 28th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 157 minutes on the 27th and 34 of 157 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1813 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Qingyang, 1972: Monday 28 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-28", "confidence": "determinate" } ], "quote": "In Qingyang, Bahulā Caturthī 1972 falls on Monday 28 August. Caturthī runs from 19:54 on Sun 27 Aug to 17:19 on Mon 28 Aug and covers 34 of 157 minutes of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 716, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1972-08-29T14:44:01+08:00", "utc": "1972-08-29T06:44:01Z", "ms": 83918640893.58813 }, "end": { "local": "1972-08-30T12:13:48+08:00", "utc": "1972-08-30T04:13:48Z", "ms": 83996028358.63794 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-08-29T14:44:01+08:00", "utc": "1972-08-29T06:44:01Z", "ms": 83918640893.58813 }, "end": { "local": "1972-08-30T12:13:48+08:00", "utc": "1972-08-30T04:13:48Z", "ms": 83996028358.63794 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-08-29", "window": { "start": { "local": "1972-08-29T12:26:03+08:00", "utc": "1972-08-29T04:26:03Z", "ms": 83910362911.58914 }, "end": { "local": "1972-08-29T13:14:03+08:00", "utc": "1972-08-29T05:14:03Z", "ms": 83913242911.58914 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-08-30", "window": { "start": { "local": "1972-08-30T12:25:45+08:00", "utc": "1972-08-30T04:25:45Z", "ms": 83996744690.81158 }, "end": { "local": "1972-08-30T13:13:45+08:00", "utc": "1972-08-30T05:13:45Z", "ms": 83999624690.81158 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:44 on Tue 29 Aug to 12:14 on Wed 30 Aug.", "fact": "1972-08-29T06:44:01Z → 1972-08-30T04:13:48Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 716 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Qingyang, 1972: Wednesday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-30", "confidence": "determinate" } ], "quote": "In Qingyang, Hala Ṣaṣṭhī 1972 falls on Wednesday 30 August. Ṣaṣṭhī runs from 14:44 on Tue 29 Aug to 12:14 on Wed 30 Aug, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 716, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1972-08-30T12:13:48+08:00", "utc": "1972-08-30T04:13:48Z", "ms": 83996028358.63794 }, "end": { "local": "1972-08-31T09:53:29+08:00", "utc": "1972-08-31T01:53:29Z", "ms": 84074008576.40889 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-08-30T12:13:48+08:00", "utc": "1972-08-30T04:13:48Z", "ms": 83996028358.63794 }, "end": { "local": "1972-08-31T09:53:29+08:00", "utc": "1972-08-31T01:53:29Z", "ms": 84074008576.40889 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-08-30", "window": { "start": { "local": "1972-08-30T12:25:45+08:00", "utc": "1972-08-30T04:25:45Z", "ms": 83996744690.81158 }, "end": { "local": "1972-08-30T13:13:45+08:00", "utc": "1972-08-30T05:13:45Z", "ms": 83999624690.81158 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-08-31", "window": { "start": { "local": "1972-08-31T12:25:26+08:00", "utc": "1972-08-31T04:25:26Z", "ms": 84083126162.78961 }, "end": { "local": "1972-08-31T13:13:26+08:00", "utc": "1972-08-31T05:13:26Z", "ms": 84086006162.78961 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:14 on Wed 30 Aug to 09:53 on Thu 31 Aug.", "fact": "1972-08-30T04:13:48Z → 1972-08-31T01:53:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 30th, 12:25–13:13 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 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: purvaviddha → only-day · margin 716 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Qingyang, 1972: Wednesday 30 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": "1972-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-30", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalā Saptamī 1972 falls on Wednesday 30 August. Saptamī runs from 12:14 on Wed 30 Aug to 09:53 on Thu 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23561, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1972-08-31T09:53:29+08:00", "utc": "1972-08-31T01:53:29Z", "ms": 84074008576.40889 }, "end": { "local": "1972-09-01T07:46:30+08:00", "utc": "1972-08-31T23:46:30Z", "ms": 84152790094.64905 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-08-31T09:53:29+08:00", "utc": "1972-08-31T01:53:29Z", "ms": 84074008576.40889 }, "end": { "local": "1972-09-01T07:46:30+08:00", "utc": "1972-08-31T23:46:30Z", "ms": 84152790094.64905 } }, "kaala": "nishita", "days": [ { "local_date": "1972-08-30", "window": { "start": { "local": "1972-08-31T00:26:08+08:00", "utc": "1972-08-30T16:26:08Z", "ms": 84039967580.58392 }, "end": { "local": "1972-08-31T01:14:08+08:00", "utc": "1972-08-30T17:14:08Z", "ms": 84042847580.58392 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-08-31", "window": { "start": { "local": "1972-09-01T00:25:49+08:00", "utc": "1972-08-31T16:25:49Z", "ms": 84126349028.78334 }, "end": { "local": "1972-09-01T01:13:49+08:00", "utc": "1972-08-31T17:13:49Z", "ms": 84129229028.78334 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:53 on Thu 31 Aug to 07:47 on Fri 1 Sep.", "fact": "1972-08-31T01:53:29Z → 1972-08-31T23:46:30Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:26–01:14 on the 30th, 00:26–01:14 on the 31st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23561 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Qingyang, 1972: Thursday 31 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": "1972-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-08-31", "confidence": "determinate" } ], "quote": "In Qingyang, Janmāṣṭamī 1972 falls on Thursday 31 August. Aṣṭamī runs from 09:53 on Thu 31 Aug to 07:47 on Fri 1 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-09-03", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7308, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-09-03T04:21:04+08:00", "utc": "1972-09-02T20:21:04Z", "ms": 84313263829.8301 }, "end": { "local": "1972-09-04T03:05:04+08:00", "utc": "1972-09-03T19:05:04Z", "ms": 84395103813.75673 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-03T04:21:04+08:00", "utc": "1972-09-02T20:21:04Z", "ms": 84313263829.8301 }, "end": { "local": "1972-09-04T03:05:04+08:00", "utc": "1972-09-03T19:05:04Z", "ms": 84395103813.75673 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-09-03", "window": { "start": { "local": "1972-09-03T06:22:52+08:00", "utc": "1972-09-02T22:22:52Z", "ms": 84320572111.6901 }, "end": { "local": "1972-09-03T06:22:52+08:00", "utc": "1972-09-02T22:22:52Z", "ms": 84320572111.6901 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-09-04", "window": { "start": { "local": "1972-09-04T06:23:38+08:00", "utc": "1972-09-03T22:23:38Z", "ms": 84407017722.00949 }, "end": { "local": "1972-09-04T06:23:38+08:00", "utc": "1972-09-03T22:23:38Z", "ms": 84407017722.00949 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:21 on Sun 3 Sep to 03:05 on Mon 4 Sep.", "fact": "1972-09-02T20:21:04Z → 1972-09-03T19:05:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 3rd and 06:24 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7308 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Qingyang, 1972: Sunday 3 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": "1972-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-03", "confidence": "determinate" } ], "quote": "In Qingyang, Ajā Ekādaśī 1972 falls on Sunday 3 September. Ekādaśī runs from 04:21 on Sun 3 Sep to 03:05 on Mon 4 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-09-03", "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/1972/pradosha-vrata?on=1972-09-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17442, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-09-05T02:08:12+08:00", "utc": "1972-09-04T18:08:12Z", "ms": 84478091959.68356 }, "end": { "local": "1972-09-06T01:31:49+08:00", "utc": "1972-09-05T17:31:49Z", "ms": 84562308957.82901 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-05T02:08:12+08:00", "utc": "1972-09-04T18:08:12Z", "ms": 84478091959.68356 }, "end": { "local": "1972-09-06T01:31:49+08:00", "utc": "1972-09-05T17:31:49Z", "ms": 84562308957.82901 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-09-04", "window": { "start": { "local": "1972-09-04T19:12:41+08:00", "utc": "1972-09-04T11:12:41Z", "ms": 84453160903.22343 }, "end": { "local": "1972-09-04T20:42:15+08:00", "utc": "1972-09-04T12:42:15Z", "ms": 84458534555.74359 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1972-09-05", "window": { "start": { "local": "1972-09-05T19:11:16+08:00", "utc": "1972-09-05T11:11:16Z", "ms": 84539475688.56161 }, "end": { "local": "1972-09-05T20:41:07+08:00", "utc": "1972-09-05T12:41:07Z", "ms": 84544866775.36992 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:08 on Tue 5 Sep to 01:32 on Wed 6 Sep.", "fact": "1972-09-04T18:08:12Z → 1972-09-05T17:31:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:42 on the 4th, 19:11–20:41 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 4th and 90 of 90 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17442 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1972: Tuesday 5 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": "1972-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-05", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1972 falls on Tuesday 5 September. Trayodaśī runs from 02:08 on Tue 5 Sep to 01:32 on Wed 6 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-09-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16669, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-09-06T01:31:49+08:00", "utc": "1972-09-05T17:31:49Z", "ms": 84562308957.82901 }, "end": { "local": "1972-09-07T01:17:47+08:00", "utc": "1972-09-06T17:17:47Z", "ms": 84647867298.37137 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-06T01:31:49+08:00", "utc": "1972-09-05T17:31:49Z", "ms": 84562308957.82901 }, "end": { "local": "1972-09-07T01:17:47+08:00", "utc": "1972-09-06T17:17:47Z", "ms": 84647867298.37137 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-09-05", "window": { "start": { "local": "1972-09-05T19:11:16+08:00", "utc": "1972-09-05T11:11:16Z", "ms": 84539475688.56161 }, "end": { "local": "1972-09-05T20:41:07+08:00", "utc": "1972-09-05T12:41:07Z", "ms": 84544866775.36992 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1972-09-06", "window": { "start": { "local": "1972-09-06T19:09:50+08:00", "utc": "1972-09-06T11:09:50Z", "ms": 84625790079.4304 }, "end": { "local": "1972-09-06T20:39:59+08:00", "utc": "1972-09-06T12:39:59Z", "ms": 84631198649.16412 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:32 on Wed 6 Sep to 01:18 on Thu 7 Sep.", "fact": "1972-09-05T17:31:49Z → 1972-09-06T17:17:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:11–20:41 on the 5th, 19:10–20:40 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 5th and 90 of 90 on the 6th.", "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 16669 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Qingyang, 1972: Wednesday 6 September.", "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": "1972-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-06", "confidence": "determinate" } ], "quote": "In Qingyang, Aghora Caturdaśī 1972 falls on Wednesday 6 September. Caturdaśī runs from 01:32 on Wed 6 Sep to 01:18 on Thu 7 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/shivaratri?on=1972-09-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 355, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-09-06T01:31:49+08:00", "utc": "1972-09-05T17:31:49Z", "ms": 84562308957.82901 }, "end": { "local": "1972-09-07T01:17:47+08:00", "utc": "1972-09-06T17:17:47Z", "ms": 84647867298.37137 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-06T01:31:49+08:00", "utc": "1972-09-05T17:31:49Z", "ms": 84562308957.82901 }, "end": { "local": "1972-09-07T01:17:47+08:00", "utc": "1972-09-06T17:17:47Z", "ms": 84647867298.37137 } }, "kaala": "nishita", "days": [ { "local_date": "1972-09-05", "window": { "start": { "local": "1972-09-06T00:24:12+08:00", "utc": "1972-09-05T16:24:12Z", "ms": 84558252264.09277 }, "end": { "local": "1972-09-06T01:12:12+08:00", "utc": "1972-09-05T17:12:12Z", "ms": 84561132264.09277 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-09-06", "window": { "start": { "local": "1972-09-07T00:23:52+08:00", "utc": "1972-09-06T16:23:52Z", "ms": 84644632215.93182 }, "end": { "local": "1972-09-07T01:11:52+08:00", "utc": "1972-09-06T17:11:52Z", "ms": 84647512215.93182 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:32 on Wed 6 Sep to 01:18 on Thu 7 Sep.", "fact": "1972-09-05T17:31:49Z → 1972-09-06T17:17:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:24–01:12 on the 5th, 00:24–01:12 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 355 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1972: Wednesday 6 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": "1972-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-06", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1972 falls on Wednesday 6 September. Caturdaśī runs from 01:32 on Wed 6 Sep to 01:18 on Thu 7 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1972/shivaratri?on=1972-09-06", "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/1972/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36986, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1972-09-08T01:28:25+08:00", "utc": "1972-09-07T17:28:25Z", "ms": 84734905279.68108 }, "end": { "local": "1972-09-09T02:06:02+08:00", "utc": "1972-09-08T18:06:02Z", "ms": 84823562202.67805 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-08T01:28:25+08:00", "utc": "1972-09-07T17:28:25Z", "ms": 84734905279.68108 }, "end": { "local": "1972-09-09T02:06:02+08:00", "utc": "1972-09-08T18:06:02Z", "ms": 84823562202.67805 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-09-08", "window": { "start": { "local": "1972-09-08T12:22:49+08:00", "utc": "1972-09-08T04:22:49Z", "ms": 84774168810.43246 }, "end": { "local": "1972-09-08T13:10:49+08:00", "utc": "1972-09-08T05:10:49Z", "ms": 84777048810.43246 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-09-09", "window": { "start": { "local": "1972-09-09T12:22:28+08:00", "utc": "1972-09-09T04:22:28Z", "ms": 84860548224.44583 }, "end": { "local": "1972-09-09T13:10:28+08:00", "utc": "1972-09-09T05:10:28Z", "ms": 84863428224.44583 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 01:28 on Fri 8 Sep to 02:06 on Sat 9 Sep.", "fact": "1972-09-07T17:28:25Z → 1972-09-08T18:06:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 8th, 12:22–13:10 on the 9th.", "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 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 36986 s" }, { "step": "ruling", "text": "Rudra Vrata, Qingyang, 1972: Friday 8 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-08", "confidence": "determinate" } ], "quote": "In Qingyang, Rudra Vrata 1972 falls on Friday 8 September. Pratipadā runs from 01:28 on Fri 8 Sep to 02:06 on Sat 9 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27284, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1972-09-10T03:12:15+08:00", "utc": "1972-09-09T19:12:15Z", "ms": 84913935320.3557 }, "end": { "local": "1972-09-11T04:47:03+08:00", "utc": "1972-09-10T20:47:03Z", "ms": 85006022807.0449 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-10T03:12:15+08:00", "utc": "1972-09-09T19:12:15Z", "ms": 84913935320.3557 }, "end": { "local": "1972-09-11T04:47:03+08:00", "utc": "1972-09-10T20:47:03Z", "ms": 85006022807.0449 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-09-10", "window": { "start": { "local": "1972-09-10T12:22:07+08:00", "utc": "1972-09-10T04:22:07Z", "ms": 84946927484.76306 }, "end": { "local": "1972-09-10T13:10:07+08:00", "utc": "1972-09-10T05:10:07Z", "ms": 84949807484.76306 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-09-11", "window": { "start": { "local": "1972-09-11T12:21:47+08:00", "utc": "1972-09-11T04:21:47Z", "ms": 85033306607.48398 }, "end": { "local": "1972-09-11T13:09:47+08:00", "utc": "1972-09-11T05:09:47Z", "ms": 85036186607.48398 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 03:12 on Sun 10 Sep to 04:47 on Mon 11 Sep.", "fact": "1972-09-09T19:12:15Z → 1972-09-10T20:47:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 10th, 12:22–13:10 on the 11th.", "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 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27284 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Qingyang, 1972: Sunday 10 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-10", "confidence": "determinate" } ], "quote": "In Qingyang, Haritālikā Vrata (Hartalika Teej) 1972 falls on Sunday 10 September. Tṛtīyā runs from 03:12 on Sun 10 Sep to 04:47 on Mon 11 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20023, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-09-11T04:47:03+08:00", "utc": "1972-09-10T20:47:03Z", "ms": 85006022807.0449 }, "end": { "local": "1972-09-12T06:47:42+08:00", "utc": "1972-09-11T22:47:42Z", "ms": 85099662466.26535 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-11T04:47:03+08:00", "utc": "1972-09-10T20:47:03Z", "ms": 85006022807.0449 }, "end": { "local": "1972-09-12T06:47:42+08:00", "utc": "1972-09-11T22:47:42Z", "ms": 85099662466.26535 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-09-11", "window": { "start": { "local": "1972-09-11T12:21:47+08:00", "utc": "1972-09-11T04:21:47Z", "ms": 85033306607.48398 }, "end": { "local": "1972-09-11T13:09:47+08:00", "utc": "1972-09-11T05:09:47Z", "ms": 85036186607.48398 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-09-12", "window": { "start": { "local": "1972-09-12T12:21:26+08:00", "utc": "1972-09-12T04:21:26Z", "ms": 85119685609.2911 }, "end": { "local": "1972-09-12T13:09:26+08:00", "utc": "1972-09-12T05:09:26Z", "ms": 85122565609.2911 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:47 on Mon 11 Sep to 06:48 on Tue 12 Sep.", "fact": "1972-09-10T20:47:03Z → 1972-09-11T22:47:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 11th, 12:21–13:09 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20023 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Qingyang, 1972: Monday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-11", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Caturthī 1972 falls on Monday 11 September. Caturthī runs from 04:47 on Mon 11 Sep to 06:48 on Tue 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11582, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1972-09-12T06:47:42+08:00", "utc": "1972-09-11T22:47:42Z", "ms": 85099662466.26535 }, "end": { "local": "1972-09-13T09:08:03+08:00", "utc": "1972-09-13T01:08:03Z", "ms": 85194482988.52019 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-12T06:47:42+08:00", "utc": "1972-09-11T22:47:42Z", "ms": 85099662466.26535 }, "end": { "local": "1972-09-13T09:08:03+08:00", "utc": "1972-09-13T01:08:03Z", "ms": 85194482988.52019 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-09-12", "window": { "start": { "local": "1972-09-12T12:21:26+08:00", "utc": "1972-09-12T04:21:26Z", "ms": 85119685609.2911 }, "end": { "local": "1972-09-12T13:09:26+08:00", "utc": "1972-09-12T05:09:26Z", "ms": 85122565609.2911 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-09-13", "window": { "start": { "local": "1972-09-13T12:21:05+08:00", "utc": "1972-09-13T04:21:05Z", "ms": 85206064507.4641 }, "end": { "local": "1972-09-13T13:09:05+08:00", "utc": "1972-09-13T05:09:05Z", "ms": 85208944507.4641 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 06:48 on Tue 12 Sep to 09:08 on Wed 13 Sep.", "fact": "1972-09-11T22:47:42Z → 1972-09-13T01:08:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 12th, 12:21–13:09 on the 13th.", "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 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 11582 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Qingyang, 1972: Tuesday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-12", "confidence": "determinate" } ], "quote": "In Qingyang, Ṛṣi Pañcamī 1972 falls on Tuesday 12 September. Pañcamī runs from 06:48 on Tue 12 Sep to 09:08 on Wed 13 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2553, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1972-09-13T09:08:03+08:00", "utc": "1972-09-13T01:08:03Z", "ms": 85194482988.52019 }, "end": { "local": "1972-09-14T11:38:10+08:00", "utc": "1972-09-14T03:38:10Z", "ms": 85289890073.25076 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-13T09:08:03+08:00", "utc": "1972-09-13T01:08:03Z", "ms": 85194482988.52019 }, "end": { "local": "1972-09-14T11:38:10+08:00", "utc": "1972-09-14T03:38:10Z", "ms": 85289890073.25076 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-09-13", "window": { "start": { "local": "1972-09-13T12:21:05+08:00", "utc": "1972-09-13T04:21:05Z", "ms": 85206064507.4641 }, "end": { "local": "1972-09-13T13:09:05+08:00", "utc": "1972-09-13T05:09:05Z", "ms": 85208944507.4641 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-09-14", "window": { "start": { "local": "1972-09-14T12:20:43+08:00", "utc": "1972-09-14T04:20:43Z", "ms": 85292443319.7579 }, "end": { "local": "1972-09-14T13:08:43+08:00", "utc": "1972-09-14T05:08:43Z", "ms": 85295323319.7579 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:08 on Wed 13 Sep to 11:38 on Thu 14 Sep.", "fact": "1972-09-13T01:08:03Z → 1972-09-14T03:38:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 13th, 12:21–13:09 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2553 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Qingyang, 1972: Wednesday 13 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": "1972-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-14", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Bhādrapada) 1972 falls on Wednesday 13 September. Ṣaṣṭhī runs from 09:08 on Wed 13 Sep to 11:38 on Thu 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2553, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1972-09-14T11:38:10+08:00", "utc": "1972-09-14T03:38:10Z", "ms": 85289890073.25076 }, "end": { "local": "1972-09-15T14:05:07+08:00", "utc": "1972-09-15T06:05:07Z", "ms": 85385107027.4658 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-14T11:38:10+08:00", "utc": "1972-09-14T03:38:10Z", "ms": 85289890073.25076 }, "end": { "local": "1972-09-15T14:05:07+08:00", "utc": "1972-09-15T06:05:07Z", "ms": 85385107027.4658 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-09-14", "window": { "start": { "local": "1972-09-14T12:20:43+08:00", "utc": "1972-09-14T04:20:43Z", "ms": 85292443319.7579 }, "end": { "local": "1972-09-14T13:08:43+08:00", "utc": "1972-09-14T05:08:43Z", "ms": 85295323319.7579 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-09-15", "window": { "start": { "local": "1972-09-15T12:20:22+08:00", "utc": "1972-09-15T04:20:22Z", "ms": 85378822064.73201 }, "end": { "local": "1972-09-15T13:08:22+08:00", "utc": "1972-09-15T05:08:22Z", "ms": 85381702064.73201 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 11:38 on Thu 14 Sep to 14:05 on Fri 15 Sep.", "fact": "1972-09-14T03:38:10Z → 1972-09-15T06:05:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 14th, 12:20–13:08 on the 15th.", "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 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 2553 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Qingyang, 1972: Thursday 14 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": "1972-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-14", "confidence": "determinate" } ], "quote": "In Qingyang, Muktābharaṇa Vrata 1972 falls on Thursday 14 September. Saptamī runs from 11:38 on Thu 14 Sep to 14:05 on Fri 15 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3405, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1972-09-15T14:05:07+08:00", "utc": "1972-09-15T06:05:07Z", "ms": 85385107027.4658 }, "end": { "local": "1972-09-16T16:14:33+08:00", "utc": "1972-09-16T08:14:33Z", "ms": 85479273161.68091 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-15T14:05:07+08:00", "utc": "1972-09-15T06:05:07Z", "ms": 85385107027.4658 }, "end": { "local": "1972-09-16T16:14:33+08:00", "utc": "1972-09-16T08:14:33Z", "ms": 85479273161.68091 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-09-15", "window": { "start": { "local": "1972-09-15T12:20:22+08:00", "utc": "1972-09-15T04:20:22Z", "ms": 85378822064.73201 }, "end": { "local": "1972-09-15T13:08:22+08:00", "utc": "1972-09-15T05:08:22Z", "ms": 85381702064.73201 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-09-16", "window": { "start": { "local": "1972-09-16T12:20:01+08:00", "utc": "1972-09-16T04:20:01Z", "ms": 85465200760.46347 }, "end": { "local": "1972-09-16T13:08:01+08:00", "utc": "1972-09-16T05:08:01Z", "ms": 85468080760.46347 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 14:05 on Fri 15 Sep to 16:15 on Sat 16 Sep.", "fact": "1972-09-15T06:05:07Z → 1972-09-16T08:14:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 15th, 12:20–13:08 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3405 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Qingyang, 1972: Saturday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-16", "confidence": "determinate" } ], "quote": "In Qingyang, Rādhāṣṭamī 1972 falls on Saturday 16 September. Aṣṭamī runs from 14:05 on Fri 15 Sep to 16:15 on Sat 16 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-09-19", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41814, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-09-18T18:49:48+08:00", "utc": "1972-09-18T10:49:48Z", "ms": 85661387607.65044 }, "end": { "local": "1972-09-19T18:58:52+08:00", "utc": "1972-09-19T10:58:52Z", "ms": 85748331516.87007 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-18T18:49:48+08:00", "utc": "1972-09-18T10:49:48Z", "ms": 85661387607.65044 }, "end": { "local": "1972-09-19T18:58:52+08:00", "utc": "1972-09-19T10:58:52Z", "ms": 85748331516.87007 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-09-19", "window": { "start": { "local": "1972-09-19T06:35:00+08:00", "utc": "1972-09-18T22:35:00Z", "ms": 85703700195.9422 }, "end": { "local": "1972-09-19T06:35:00+08:00", "utc": "1972-09-18T22:35:00Z", "ms": 85703700195.9422 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-09-20", "window": { "start": { "local": "1972-09-20T06:35:46+08:00", "utc": "1972-09-19T22:35:46Z", "ms": 85790145913.54684 }, "end": { "local": "1972-09-20T06:35:46+08:00", "utc": "1972-09-19T22:35:46Z", "ms": 85790145913.54684 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:50 on Mon 18 Sep to 18:59 on Tue 19 Sep.", "fact": "1972-09-18T10:49:48Z → 1972-09-19T10:58:52Z" }, { "step": "kaala", "text": "Sunrise is at 06:35 on the 19th and 06:36 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 41814 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Qingyang, 1972: Tuesday 19 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-19", "confidence": "determinate" } ], "quote": "In Qingyang, Parivartanī Ekādaśī 1972 falls on Tuesday 19 September. Ekādaśī runs from 18:50 on Mon 18 Sep to 18:59 on Tue 19 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-09-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18727, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1972-09-19T18:58:52+08:00", "utc": "1972-09-19T10:58:52Z", "ms": 85748331516.87007 }, "end": { "local": "1972-09-20T18:18:42+08:00", "utc": "1972-09-20T10:18:42Z", "ms": 85832322382.77869 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-19T18:58:52+08:00", "utc": "1972-09-19T10:58:52Z", "ms": 85748331516.87007 }, "end": { "local": "1972-09-20T18:18:42+08:00", "utc": "1972-09-20T10:18:42Z", "ms": 85832322382.77869 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-09-19", "window": { "start": { "local": "1972-09-19T12:18:57+08:00", "utc": "1972-09-19T04:18:57Z", "ms": 85724336752.59932 }, "end": { "local": "1972-09-19T13:06:57+08:00", "utc": "1972-09-19T05:06:57Z", "ms": 85727216752.59932 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-09-20", "window": { "start": { "local": "1972-09-20T12:18:35+08:00", "utc": "1972-09-20T04:18:35Z", "ms": 85810715453.51373 }, "end": { "local": "1972-09-20T13:06:35+08:00", "utc": "1972-09-20T05:06:35Z", "ms": 85813595453.51373 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:59 on Tue 19 Sep to 18:19 on Wed 20 Sep.", "fact": "1972-09-19T10:58:52Z → 1972-09-20T10:18:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 19th, 12:19–13:07 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18727 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Qingyang, 1972: Wednesday 20 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-20", "confidence": "determinate" } ], "quote": "In Qingyang, Vāmana Jayantī 1972 falls on Wednesday 20 September. Dvādaśī runs from 18:59 on Tue 19 Sep to 18:19 on Wed 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/pradosha-vrata?on=1972-09-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1843, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-09-20T18:18:42+08:00", "utc": "1972-09-20T10:18:42Z", "ms": 85832322382.77869 }, "end": { "local": "1972-09-21T16:52:10+08:00", "utc": "1972-09-21T08:52:10Z", "ms": 85913529562.1481 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-20T18:18:42+08:00", "utc": "1972-09-20T10:18:42Z", "ms": 85832322382.77869 }, "end": { "local": "1972-09-21T16:52:10+08:00", "utc": "1972-09-21T08:52:10Z", "ms": 85913529562.1481 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-09-20", "window": { "start": { "local": "1972-09-20T18:49:25+08:00", "utc": "1972-09-20T10:49:25Z", "ms": 85834164993.4806 }, "end": { "local": "1972-09-20T20:23:42+08:00", "utc": "1972-09-20T12:23:42Z", "ms": 85839821890.50221 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1972-09-21", "window": { "start": { "local": "1972-09-21T18:47:57+08:00", "utc": "1972-09-21T10:47:57Z", "ms": 85920476697.29338 }, "end": { "local": "1972-09-21T20:22:31+08:00", "utc": "1972-09-21T12:22:31Z", "ms": 85926151488.93729 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:19 on Wed 20 Sep to 16:52 on Thu 21 Sep.", "fact": "1972-09-20T10:18:42Z → 1972-09-21T08:52:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:24 on the 20th, 18:48–20:23 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 94 of 94 minutes on the 20th and 0 of 95 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 1843 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1972: Wednesday 20 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": "1972-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-20", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1972 falls on Wednesday 20 September. Trayodaśī runs from 18:19 on Wed 20 Sep to 16:52 on Thu 21 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-09-20", "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/1972/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20534, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-09-21T16:52:10+08:00", "utc": "1972-09-21T08:52:10Z", "ms": 85913529562.1481 }, "end": { "local": "1972-09-22T14:45:22+08:00", "utc": "1972-09-22T06:45:22Z", "ms": 85992322000.80792 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1972-09-21T16:52:10+08:00", "utc": "1972-09-21T08:52:10Z", "ms": 85913529562.1481 }, "end": { "local": "1972-09-22T14:45:22+08:00", "utc": "1972-09-22T06:45:22Z", "ms": 85992322000.80792 } }, "kaala": "udaya-3", "days": [ { "local_date": "1972-09-21", "window": { "start": { "local": "1972-09-21T06:36:32+08:00", "utc": "1972-09-20T22:36:32Z", "ms": 85876591721.14261 }, "end": { "local": "1972-09-21T09:02:49+08:00", "utc": "1972-09-21T01:02:49Z", "ms": 85885368716.37276 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "1972-09-22", "window": { "start": { "local": "1972-09-22T06:37:18+08:00", "utc": "1972-09-21T22:37:18Z", "ms": 85963037634.62267 }, "end": { "local": "1972-09-22T09:03:08+08:00", "utc": "1972-09-22T01:03:08Z", "ms": 85971787797.92247 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:52 on Thu 21 Sep to 14:45 on Fri 22 Sep.", "fact": "1972-09-21T08:52:10Z → 1972-09-22T06:45:22Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:37–09:03 on the 21st, 06:37–09:03 on the 22nd.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 146 minutes on the 21st and 146 of 146 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20534 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Qingyang, 1972: Friday 22 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananta-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)." } ], "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.", "kaala": "udaya-3", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-22", "confidence": "determinate" } ], "quote": "In Qingyang, Ananta Caturdaśī 1972 falls on Friday 22 September. Caturdaśī runs from 16:52 on Thu 21 Sep to 14:45 on Fri 22 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/sankashta-chaturthi?on=1972-09-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11066, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-09-26T02:38:34+08:00", "utc": "1972-09-25T18:38:34Z", "ms": 86294313832.01077 }, "end": { "local": "1972-09-26T23:31:17+08:00", "utc": "1972-09-26T15:31:17Z", "ms": 86369476528.96439 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-09-26T02:38:34+08:00", "utc": "1972-09-25T18:38:34Z", "ms": 86294313832.01077 }, "end": { "local": "1972-09-26T23:31:17+08:00", "utc": "1972-09-26T15:31:17Z", "ms": 86369476528.96439 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-09-25", "window": { "start": { "local": "1972-09-25T19:43:27+08:00", "utc": "1972-09-25T11:43:27Z", "ms": 86269407439.0543 }, "end": { "local": "1972-09-25T19:43:27+08:00", "utc": "1972-09-25T11:43:27Z", "ms": 86269407439.0543 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-09-26", "window": { "start": { "local": "1972-09-26T20:26:51+08:00", "utc": "1972-09-26T12:26:51Z", "ms": 86358410723.45993 }, "end": { "local": "1972-09-26T20:26:51+08:00", "utc": "1972-09-26T12:26:51Z", "ms": 86358410723.45993 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:39 on Tue 26 Sep to 23:31 on Tue 26 Sep.", "fact": "1972-09-25T18:38:34Z → 1972-09-26T15:31:17Z" }, { "step": "kaala", "text": "Moonrise is at 19:43 on the 25th and 20:27 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11066 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1972: Tuesday 26 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": "1972-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-26", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1972 falls on Tuesday 26 September. Caturthī runs from 02:39 on Tue 26 Sep to 23:31 on Tue 26 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/sankashta-chaturthi?on=1972-09-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2281, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1972-09-27T20:39:30+08:00", "utc": "1972-09-27T12:39:30Z", "ms": 86445570215.78012 }, "end": { "local": "1972-09-28T18:09:47+08:00", "utc": "1972-09-28T10:09:47Z", "ms": 86522986630.66728 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-09-27T20:39:30+08:00", "utc": "1972-09-27T12:39:30Z", "ms": 86445570215.78012 }, "end": { "local": "1972-09-28T18:09:47+08:00", "utc": "1972-09-28T10:09:47Z", "ms": 86522986630.66728 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-09-27", "window": { "start": { "local": "1972-09-27T21:17:31+08:00", "utc": "1972-09-27T13:17:31Z", "ms": 86447851188.50987 }, "end": { "local": "1972-09-27T21:17:31+08:00", "utc": "1972-09-27T13:17:31Z", "ms": 86447851188.50987 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-09-28", "window": { "start": { "local": "1972-09-28T22:15:38+08:00", "utc": "1972-09-28T14:15:38Z", "ms": 86537737913.1734 }, "end": { "local": "1972-09-28T22:15:38+08:00", "utc": "1972-09-28T14:15:38Z", "ms": 86537737913.1734 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:40 on Wed 27 Sep to 18:10 on Thu 28 Sep.", "fact": "1972-09-27T12:39:30Z → 1972-09-28T10:09:47Z" }, { "step": "kaala", "text": "Moonrise is at 21:18 on the 27th and 22:16 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2281 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Qingyang, 1972: Wednesday 27 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": "1972-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-27", "confidence": "determinate" } ], "quote": "In Qingyang, Candra Ṣaṣṭhī 1972 falls on Wednesday 27 September. Ṣaṣṭhī runs from 20:40 on Wed 27 Sep to 18:10 on Thu 28 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8973, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1972-09-29T16:06:42+08:00", "utc": "1972-09-29T08:06:42Z", "ms": 86602001611.22879 }, "end": { "local": "1972-09-30T14:32:46+08:00", "utc": "1972-09-30T06:32:46Z", "ms": 86682766387.36198 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-09-29T16:06:42+08:00", "utc": "1972-09-29T08:06:42Z", "ms": 86602001611.22879 }, "end": { "local": "1972-09-30T14:32:46+08:00", "utc": "1972-09-30T06:32:46Z", "ms": 86682766387.36198 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-09-29", "window": { "start": { "local": "1972-09-29T18:36:15+08:00", "utc": "1972-09-29T10:36:15Z", "ms": 86610974757.92075 }, "end": { "local": "1972-09-29T20:13:13+08:00", "utc": "1972-09-29T12:13:13Z", "ms": 86616792909.07466 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1972-09-30", "window": { "start": { "local": "1972-09-30T18:34:48+08:00", "utc": "1972-09-30T10:34:48Z", "ms": 86697288042.26903 }, "end": { "local": "1972-09-30T20:12:04+08:00", "utc": "1972-09-30T12:12:04Z", "ms": 86703124107.63445 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:07 on Fri 29 Sep to 14:33 on Sat 30 Sep.", "fact": "1972-09-29T08:06:42Z → 1972-09-30T06:32:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:13 on the 29th, 18:35–20:12 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 97 of 97 minutes on the 29th and 0 of 97 on the 30th.", "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 8973 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Qingyang, 1972: Friday 29 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": "1972-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-29", "confidence": "determinate" } ], "quote": "In Qingyang, Jitāṣṭamī (Jitiya) 1972 falls on Friday 29 September. Aṣṭamī runs from 16:07 on Fri 29 Sep to 14:33 on Sat 30 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25971, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1972-09-29T16:06:42+08:00", "utc": "1972-09-29T08:06:42Z", "ms": 86602001611.22879 }, "end": { "local": "1972-09-30T14:32:46+08:00", "utc": "1972-09-30T06:32:46Z", "ms": 86682766387.36198 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-09-29T16:06:42+08:00", "utc": "1972-09-29T08:06:42Z", "ms": 86602001611.22879 }, "end": { "local": "1972-09-30T14:32:46+08:00", "utc": "1972-09-30T06:32:46Z", "ms": 86682766387.36198 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-09-29", "window": { "start": { "local": "1972-09-29T23:19:32+08:00", "utc": "1972-09-29T15:19:32Z", "ms": 86627972229.03342 }, "end": { "local": "1972-09-29T23:19:32+08:00", "utc": "1972-09-29T15:19:32Z", "ms": 86627972229.03342 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-09-30", "window": { "start": { "local": "1972-10-01T00:26:17+08:00", "utc": "1972-09-30T16:26:17Z", "ms": 86718377252.24005 }, "end": { "local": "1972-10-01T00:26:17+08:00", "utc": "1972-09-30T16:26:17Z", "ms": 86718377252.24005 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:07 on Fri 29 Sep to 14:33 on Sat 30 Sep.", "fact": "1972-09-29T08:06:42Z → 1972-09-30T06:32:46Z" }, { "step": "kaala", "text": "Moonrise is at 23:20 on the 29th and 00:26 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25971 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Qingyang, 1972: Friday 29 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": "1972-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-09-29", "confidence": "determinate" } ], "quote": "In Qingyang, Mahālakṣmī Vrata Samāpana 1972 falls on Friday 29 September. Aṣṭamī runs from 16:07 on Fri 29 Sep to 14:33 on Sat 30 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-10-03", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21523, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-10-02T12:53:09+08:00", "utc": "1972-10-02T04:53:09Z", "ms": 86849588798.06819 }, "end": { "local": "1972-10-03T12:44:38+08:00", "utc": "1972-10-03T04:44:38Z", "ms": 86935477739.54733 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-10-02T12:53:09+08:00", "utc": "1972-10-02T04:53:09Z", "ms": 86849588798.06819 }, "end": { "local": "1972-10-03T12:44:38+08:00", "utc": "1972-10-03T04:44:38Z", "ms": 86935477739.54733 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-10-02", "window": { "start": { "local": "1972-10-02T06:45:06+08:00", "utc": "1972-10-01T22:45:06Z", "ms": 86827506432.04045 }, "end": { "local": "1972-10-02T06:45:06+08:00", "utc": "1972-10-01T22:45:06Z", "ms": 86827506432.04045 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-10-03", "window": { "start": { "local": "1972-10-03T06:45:55+08:00", "utc": "1972-10-02T22:45:55Z", "ms": 86913954598.46712 }, "end": { "local": "1972-10-03T06:45:55+08:00", "utc": "1972-10-02T22:45:55Z", "ms": 86913954598.46712 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:53 on Mon 2 Oct to 12:45 on Tue 3 Oct.", "fact": "1972-10-02T04:53:09Z → 1972-10-03T04:44:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:45 on the 2nd and 06:46 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21523 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Qingyang, 1972: Tuesday 3 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": "1972-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-03", "confidence": "determinate" } ], "quote": "In Qingyang, Indirā Ekādaśī 1972 falls on Tuesday 3 October. Ekādaśī runs from 12:53 on Mon 2 Oct to 12:45 on Tue 3 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-10-03", "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/1972/pradosha-vrata?on=1972-10-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17208, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-10-04T13:01:03+08:00", "utc": "1972-10-04T05:01:03Z", "ms": 87022862694.63307 }, "end": { "local": "1972-10-05T13:40:52+08:00", "utc": "1972-10-05T05:40:52Z", "ms": 87111651658.68408 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-10-04T13:01:03+08:00", "utc": "1972-10-04T05:01:03Z", "ms": 87022862694.63307 }, "end": { "local": "1972-10-05T13:40:52+08:00", "utc": "1972-10-05T05:40:52Z", "ms": 87111651658.68408 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-10-04", "window": { "start": { "local": "1972-10-04T18:29:05+08:00", "utc": "1972-10-04T10:29:05Z", "ms": 87042544786.0221 }, "end": { "local": "1972-10-04T20:07:32+08:00", "utc": "1972-10-04T12:07:32Z", "ms": 87048452382.68869 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1972-10-05", "window": { "start": { "local": "1972-10-05T18:27:40+08:00", "utc": "1972-10-05T10:27:40Z", "ms": 87128860017.04333 }, "end": { "local": "1972-10-05T20:06:25+08:00", "utc": "1972-10-05T12:06:25Z", "ms": 87134785450.76773 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:01 on Wed 4 Oct to 13:41 on Thu 5 Oct.", "fact": "1972-10-04T05:01:03Z → 1972-10-05T05:40:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:29–20:08 on the 4th, 18:28–20:06 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 4th and 0 of 99 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17208 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1972: Wednesday 4 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": "1972-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-04", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1972 falls on Wednesday 4 October. Trayodaśī runs from 13:01 on Wed 4 Oct to 13:41 on Thu 5 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-10-04", "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/1972/shivaratri?on=1972-10-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34228, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-10-05T13:40:52+08:00", "utc": "1972-10-05T05:40:52Z", "ms": 87111651658.68408 }, "end": { "local": "1972-10-06T14:43:15+08:00", "utc": "1972-10-06T06:43:15Z", "ms": 87201795162.27792 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-10-05T13:40:52+08:00", "utc": "1972-10-05T05:40:52Z", "ms": 87111651658.68408 }, "end": { "local": "1972-10-06T14:43:15+08:00", "utc": "1972-10-06T06:43:15Z", "ms": 87201795162.27792 } }, "kaala": "nishita", "days": [ { "local_date": "1972-10-05", "window": { "start": { "local": "1972-10-06T00:14:00+08:00", "utc": "1972-10-05T16:14:00Z", "ms": 87149640393.50981 }, "end": { "local": "1972-10-06T01:02:00+08:00", "utc": "1972-10-05T17:02:00Z", "ms": 87152520393.50981 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-10-06", "window": { "start": { "local": "1972-10-07T00:13:43+08:00", "utc": "1972-10-06T16:13:43Z", "ms": 87236022896.94713 }, "end": { "local": "1972-10-07T01:01:43+08:00", "utc": "1972-10-06T17:01:43Z", "ms": 87238902896.94713 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:41 on Thu 5 Oct to 14:43 on Fri 6 Oct.", "fact": "1972-10-05T05:40:52Z → 1972-10-06T06:43:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 5th, 00:14–01:02 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34228 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1972: Thursday 5 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-05", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1972 falls on Thursday 5 October. Caturdaśī runs from 13:41 on Thu 5 Oct to 14:43 on Fri 6 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1972/shivaratri?on=1972-10-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-07", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 133, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1972-10-06T14:43:15+08:00", "utc": "1972-10-06T06:43:15Z", "ms": 87201795162.27792 }, "end": { "local": "1972-10-07T16:07:56+08:00", "utc": "1972-10-07T08:07:56Z", "ms": 87293276107.29771 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-10-06T14:43:15+08:00", "utc": "1972-10-06T06:43:15Z", "ms": 87201795162.27792 }, "end": { "local": "1972-10-07T16:07:56+08:00", "utc": "1972-10-07T08:07:56Z", "ms": 87293276107.29771 } }, "kaala": "aparahna", "days": [ { "local_date": "1972-10-06", "window": { "start": { "local": "1972-10-06T13:47:06+08:00", "utc": "1972-10-06T05:47:06Z", "ms": 87198425741.31335 }, "end": { "local": "1972-10-06T16:06:41+08:00", "utc": "1972-10-06T08:06:41Z", "ms": 87206800731.75903 } }, "covered_min": 83, "window_min": 140, "qualifies": true }, { "local_date": "1972-10-07", "window": { "start": { "local": "1972-10-07T13:46:35+08:00", "utc": "1972-10-07T05:46:35Z", "ms": 87284795186.24658 }, "end": { "local": "1972-10-07T16:05:44+08:00", "utc": "1972-10-07T08:05:44Z", "ms": 87293143557.76561 } }, "covered_min": 139, "window_min": 139, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 14:43 on Fri 6 Oct to 16:08 on Sat 7 Oct.", "fact": "1972-10-06T06:43:15Z → 1972-10-07T08:07:56Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:47–16:07 on the 6th, 13:47–16:06 on the 7th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 83 of 140 minutes on the 6th and 139 of 139 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 133 s < 300 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Qingyang, 1972: Saturday 7 October.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "1972-10-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-07", "confidence": "boundary" } ], "quote": "In Qingyang, Mahālaya Amāvāsyā 1972 falls on Saturday 7 October. Amāvasyā runs from 14:43 on Fri 6 Oct to 16:08 on Sat 7 Oct and covers all of aparāhṇa that afternoon. It also reaches the previous afternoon for 83 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 13 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11215, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1972-10-07T16:07:56+08:00", "utc": "1972-10-07T08:07:56Z", "ms": 87293276107.29771 }, "end": { "local": "1972-10-08T17:54:34+08:00", "utc": "1972-10-08T09:54:34Z", "ms": 87386074117.67757 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-10-07T16:07:56+08:00", "utc": "1972-10-07T08:07:56Z", "ms": 87293276107.29771 }, "end": { "local": "1972-10-08T17:54:34+08:00", "utc": "1972-10-08T09:54:34Z", "ms": 87386074117.67757 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-10-07", "window": { "start": { "local": "1972-10-07T12:13:01+08:00", "utc": "1972-10-07T04:13:01Z", "ms": 87279181000.48708 }, "end": { "local": "1972-10-07T13:01:01+08:00", "utc": "1972-10-07T05:01:01Z", "ms": 87282061000.48708 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-10-08", "window": { "start": { "local": "1972-10-08T12:12:44+08:00", "utc": "1972-10-08T04:12:44Z", "ms": 87365564168.7197 }, "end": { "local": "1972-10-08T13:00:44+08:00", "utc": "1972-10-08T05:00:44Z", "ms": 87368444168.7197 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 16:08 on Sat 7 Oct to 17:55 on Sun 8 Oct.", "fact": "1972-10-07T08:07:56Z → 1972-10-08T09:54:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 7th, 12:13–13:01 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11215 s" }, { "step": "ruling", "text": "Navarātrārambha, Qingyang, 1972: Sunday 8 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-08", "confidence": "determinate" } ], "quote": "In Qingyang, Navarātrārambha (Navratri) 1972 falls on Sunday 8 October. Pratipadā runs from 16:08 on Sat 7 Oct to 17:55 on Sun 8 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vinayaka-chaturthi?on=1972-10-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33972, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-10-10T22:26:24+08:00", "utc": "1972-10-10T14:26:24Z", "ms": 87575184272.27985 }, "end": { "local": "1972-10-12T01:02:00+08:00", "utc": "1972-10-11T17:02:00Z", "ms": 87670920027.54152 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-10-10T22:26:24+08:00", "utc": "1972-10-10T14:26:24Z", "ms": 87575184272.27985 }, "end": { "local": "1972-10-12T01:02:00+08:00", "utc": "1972-10-11T17:02:00Z", "ms": 87670920027.54152 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-10-10", "window": { "start": { "local": "1972-10-10T12:12:12+08:00", "utc": "1972-10-10T04:12:12Z", "ms": 87538331812.21619 }, "end": { "local": "1972-10-10T13:00:12+08:00", "utc": "1972-10-10T05:00:12Z", "ms": 87541211812.21619 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-10-11", "window": { "start": { "local": "1972-10-11T12:11:56+08:00", "utc": "1972-10-11T04:11:56Z", "ms": 87624716320.1893 }, "end": { "local": "1972-10-11T12:59:56+08:00", "utc": "1972-10-11T04:59:56Z", "ms": 87627596320.1893 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:26 on Tue 10 Oct to 01:02 on Thu 12 Oct.", "fact": "1972-10-10T14:26:24Z → 1972-10-11T17:02:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 10th, 12:12–13:00 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33972 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1972: Wednesday 11 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": "1972-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-11", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1972 falls on Wednesday 11 October. Caturthī runs from 22:26 on Tue 10 Oct to 01:02 on Thu 12 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/vinayaka-chaturthi?on=1972-10-11", "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/1972/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1559, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1972-10-14T06:05:19+08:00", "utc": "1972-10-13T22:05:19Z", "ms": 87861919212.15729 }, "end": { "local": "1972-10-15T08:07:07+08:00", "utc": "1972-10-15T00:07:07Z", "ms": 87955626742.13902 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-10-14T06:05:19+08:00", "utc": "1972-10-13T22:05:19Z", "ms": 87861919212.15729 }, "end": { "local": "1972-10-15T08:07:07+08:00", "utc": "1972-10-15T00:07:07Z", "ms": 87955626742.13902 } }, "kaala": "udaya-1", "days": [ { "local_date": "1972-10-14", "window": { "start": { "local": "1972-10-14T06:55:04+08:00", "utc": "1972-10-13T22:55:04Z", "ms": 87864903772.24242 }, "end": { "local": "1972-10-14T07:40:25+08:00", "utc": "1972-10-13T23:40:25Z", "ms": 87867624974.07536 } }, "covered_min": 45, "window_min": 45, "qualifies": true }, { "local_date": "1972-10-15", "window": { "start": { "local": "1972-10-15T06:55:56+08:00", "utc": "1972-10-14T22:55:56Z", "ms": 87951355575.16759 }, "end": { "local": "1972-10-15T07:41:08+08:00", "utc": "1972-10-14T23:41:08Z", "ms": 87954068073.18758 } }, "covered_min": 45, "window_min": 45, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:05 on Sat 14 Oct to 08:07 on Sun 15 Oct.", "fact": "1972-10-13T22:05:19Z → 1972-10-15T00:07:07Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:55–07:40 on the 14th, 06:56–07:41 on the 15th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 45 of 45 minutes on the 14th and 45 of 45 on the 15th.", "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 1559 s" }, { "step": "ruling", "text": "Durgā Saptamī, Qingyang, 1972: Sunday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-15", "confidence": "determinate" } ], "quote": "In Qingyang, Durgā Saptamī 1972 falls on Sunday 15 October. Saptamī runs from 06:05 on Sat 14 Oct to 08:07 on Sun 15 Oct and covers all of the first muhūrta after sunrise that morning. It also reaches the previous morning for 45 minutes; by the rule the second morning is taken.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9545, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1972-10-15T08:07:07+08:00", "utc": "1972-10-15T00:07:07Z", "ms": 87955626742.13902 }, "end": { "local": "1972-10-16T09:31:41+08:00", "utc": "1972-10-16T01:31:41Z", "ms": 88047101218.52426 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-10-15T08:07:07+08:00", "utc": "1972-10-15T00:07:07Z", "ms": 87955626742.13902 }, "end": { "local": "1972-10-16T09:31:41+08:00", "utc": "1972-10-16T01:31:41Z", "ms": 88047101218.52426 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-10-15", "window": { "start": { "local": "1972-10-15T12:10:59+08:00", "utc": "1972-10-15T04:10:59Z", "ms": 87970259310.3175 }, "end": { "local": "1972-10-15T12:58:59+08:00", "utc": "1972-10-15T04:58:59Z", "ms": 87973139310.3175 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-10-16", "window": { "start": { "local": "1972-10-16T12:10:46+08:00", "utc": "1972-10-16T04:10:46Z", "ms": 88056646380.33057 }, "end": { "local": "1972-10-16T12:58:46+08:00", "utc": "1972-10-16T04:58:46Z", "ms": 88059526380.33057 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:07 on Sun 15 Oct to 09:32 on Mon 16 Oct.", "fact": "1972-10-15T00:07:07Z → 1972-10-16T01:31:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 15th, 12:11–12:59 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9545 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Qingyang, 1972: Sunday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-15", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāṣṭamī (Durga Ashtami) 1972 falls on Sunday 15 October. Aṣṭamī runs from 08:07 on Sun 15 Oct to 09:32 on Mon 16 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7280, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1972-10-16T09:31:41+08:00", "utc": "1972-10-16T01:31:41Z", "ms": 88047101218.52426 }, "end": { "local": "1972-10-17T10:09:14+08:00", "utc": "1972-10-17T02:09:14Z", "ms": 88135754376.57275 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-10-16T09:31:41+08:00", "utc": "1972-10-16T01:31:41Z", "ms": 88047101218.52426 }, "end": { "local": "1972-10-17T10:09:14+08:00", "utc": "1972-10-17T02:09:14Z", "ms": 88135754376.57275 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-10-16", "window": { "start": { "local": "1972-10-16T12:10:46+08:00", "utc": "1972-10-16T04:10:46Z", "ms": 88056646380.33057 }, "end": { "local": "1972-10-16T12:58:46+08:00", "utc": "1972-10-16T04:58:46Z", "ms": 88059526380.33057 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-10-17", "window": { "start": { "local": "1972-10-17T12:10:34+08:00", "utc": "1972-10-17T04:10:34Z", "ms": 88143034013.01028 }, "end": { "local": "1972-10-17T12:58:34+08:00", "utc": "1972-10-17T04:58:34Z", "ms": 88145914013.01028 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 09:32 on Mon 16 Oct to 10:09 on Tue 17 Oct.", "fact": "1972-10-16T01:31:41Z → 1972-10-17T02:09:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 16th, 12:11–12:59 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7280 s" }, { "step": "ruling", "text": "Mahānavamī, Qingyang, 1972: Monday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-16", "confidence": "determinate" } ], "quote": "In Qingyang, Mahānavamī 1972 falls on Monday 16 October. Navamī runs from 09:32 on Mon 16 Oct to 10:09 on Tue 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4401, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1972-10-17T10:09:14+08:00", "utc": "1972-10-17T02:09:14Z", "ms": 88135754376.57275 }, "end": { "local": "1972-10-18T09:54:22+08:00", "utc": "1972-10-18T01:54:22Z", "ms": 88221261857.99747 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1972-10-17T10:09:14+08:00", "utc": "1972-10-17T02:09:14Z", "ms": 88135754376.57275 }, "end": { "local": "1972-10-17T19:24:49+08:00", "utc": "1972-10-17T11:24:49Z", "ms": 88169088724.40445 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1972-10-16T18:29:37+08:00", "utc": "1972-10-16T10:29:37Z", "ms": 88079376967.33803 }, "end": { "local": "1972-10-17T19:24:49+08:00", "utc": "1972-10-17T11:24:49Z", "ms": 88169088724.40445 } } }, "kaala": "daytime", "days": [ { "local_date": "1972-10-17", "window": { "start": { "local": "1972-10-17T06:57:40+08:00", "utc": "1972-10-16T22:57:40Z", "ms": 88124260170.13564 }, "end": { "local": "1972-10-17T18:11:28+08:00", "utc": "1972-10-17T10:11:28Z", "ms": 88164687855.88495 } }, "covered_min": 482, "window_min": 674, "qualifies": true }, { "local_date": "1972-10-18", "window": { "start": { "local": "1972-10-18T06:58:33+08:00", "utc": "1972-10-17T22:58:33Z", "ms": 88210712968.37383 }, "end": { "local": "1972-10-18T18:10:11+08:00", "utc": "1972-10-18T10:10:11Z", "ms": 88251011482.98724 } }, "covered_min": 0, "window_min": 672, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 10:09 on Tue 17 Oct to 09:54 on Wed 18 Oct, and Śravaṇa from 18:30 on Mon 16 Oct to 19:25 on Tue 17 Oct. They are together from 10:09 on Tue 17 Oct to 19:25 on Tue 17 Oct.", "fact": "1972-10-17T02:09:14Z → 1972-10-17T11:24:49Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:58–18:11 on the 17th, 06:59–18:10 on the 18th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 482 of 674 minutes on the 17th and 0 of 672 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4401 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Qingyang, 1972: Tuesday 17 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": "1972-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-17", "confidence": "determinate" } ], "quote": "In Qingyang, Vijayā Daśamī (Dussehra) 1972 falls on Tuesday 17 October. Daśamī runs from 10:09 on Tue 17 Oct to 09:54 on Wed 18 Oct and is with Śravaṇa in the day time that day, for 482 minutes.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-10-19", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6423, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-10-18T09:54:22+08:00", "utc": "1972-10-18T01:54:22Z", "ms": 88221261857.99747 }, "end": { "local": "1972-10-19T08:46:29+08:00", "utc": "1972-10-19T00:46:29Z", "ms": 88303588721.02834 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-10-18T09:54:22+08:00", "utc": "1972-10-18T01:54:22Z", "ms": 88221261857.99747 }, "end": { "local": "1972-10-19T08:46:29+08:00", "utc": "1972-10-19T00:46:29Z", "ms": 88303588721.02834 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-10-18", "window": { "start": { "local": "1972-10-18T06:58:33+08:00", "utc": "1972-10-17T22:58:33Z", "ms": 88210712968.37383 }, "end": { "local": "1972-10-18T06:58:33+08:00", "utc": "1972-10-17T22:58:33Z", "ms": 88210712968.37383 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-10-19", "window": { "start": { "local": "1972-10-19T06:59:26+08:00", "utc": "1972-10-18T22:59:26Z", "ms": 88297166104.99225 }, "end": { "local": "1972-10-19T06:59:26+08:00", "utc": "1972-10-18T22:59:26Z", "ms": 88297166104.99225 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:54 on Wed 18 Oct to 08:46 on Thu 19 Oct.", "fact": "1972-10-18T01:54:22Z → 1972-10-19T00:46:29Z" }, { "step": "kaala", "text": "Sunrise is at 06:59 on the 18th and 06:59 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 6423 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Qingyang, 1972: Thursday 19 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-19", "confidence": "determinate" } ], "quote": "In Qingyang, Pāśāṅkuśā Ekādaśī 1972 falls on Thursday 19 October. Ekādaśī runs from 09:54 on Wed 18 Oct to 08:46 on Thu 19 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-10-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/pradosha-vrata?on=1972-10-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29962, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-10-20T06:49:22+08:00", "utc": "1972-10-19T22:49:22Z", "ms": 88382961842.7014 }, "end": { "local": "1972-10-21T04:10:12+08:00", "utc": "1972-10-20T20:10:12Z", "ms": 88459812052.7456 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1972-10-20T06:49:22+08:00", "utc": "1972-10-19T22:49:22Z", "ms": 88382961842.7014 }, "end": { "local": "1972-10-21T04:10:12+08:00", "utc": "1972-10-20T20:10:12Z", "ms": 88459812052.7456 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-10-19", "window": { "start": { "local": "1972-10-19T18:08:56+08:00", "utc": "1972-10-19T10:08:56Z", "ms": 88337335967.31366 }, "end": { "local": "1972-10-19T19:51:47+08:00", "utc": "1972-10-19T11:51:47Z", "ms": 88343507116.21594 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1972-10-20", "window": { "start": { "local": "1972-10-20T18:07:41+08:00", "utc": "1972-10-20T10:07:41Z", "ms": 88423661341.66328 }, "end": { "local": "1972-10-20T19:50:50+08:00", "utc": "1972-10-20T11:50:50Z", "ms": 88429849617.50829 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:49 on Fri 20 Oct to 04:10 on Sat 21 Oct.", "fact": "1972-10-19T22:49:22Z → 1972-10-20T20:10:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:52 on the 19th, 18:08–19:51 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 103 minutes on the 19th and 103 of 103 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 29962 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1972: Friday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-20", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1972 falls on Friday 20 October. Trayodaśī runs from 06:49 on Fri 20 Oct to 04:10 on Sat 21 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-10-20", "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/1972/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34617, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-10-25T10:27:23+08:00", "utc": "1972-10-25T02:27:23Z", "ms": 88828043391.49556 }, "end": { "local": "1972-10-26T07:17:46+08:00", "utc": "1972-10-25T23:17:46Z", "ms": 88903066397.74348 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-10-25T10:27:23+08:00", "utc": "1972-10-25T02:27:23Z", "ms": 88828043391.49556 }, "end": { "local": "1972-10-26T07:17:46+08:00", "utc": "1972-10-25T23:17:46Z", "ms": 88903066397.74348 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-10-25", "window": { "start": { "local": "1972-10-25T20:04:20+08:00", "utc": "1972-10-25T12:04:20Z", "ms": 88862660245.40105 }, "end": { "local": "1972-10-25T20:04:20+08:00", "utc": "1972-10-25T12:04:20Z", "ms": 88862660245.40105 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-10-26", "window": { "start": { "local": "1972-10-26T21:08:40+08:00", "utc": "1972-10-26T13:08:40Z", "ms": 88952920107.10374 }, "end": { "local": "1972-10-26T21:08:40+08:00", "utc": "1972-10-26T13:08:40Z", "ms": 88952920107.10374 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:27 on Wed 25 Oct to 07:18 on Thu 26 Oct.", "fact": "1972-10-25T02:27:23Z → 1972-10-25T23:17:46Z" }, { "step": "kaala", "text": "Moonrise is at 20:04 on the 25th and 21:09 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34617 s" }, { "step": "ruling", "text": "Karaka Caturthī, Qingyang, 1972: Wednesday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-25", "confidence": "determinate" } ], "quote": "In Qingyang, Karaka Caturthī (Karwa Chauth) 1972 falls on Wednesday 25 October. Caturthī runs from 10:27 on Wed 25 Oct to 07:18 on Thu 26 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/sankashta-chaturthi?on=1972-10-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34617, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-10-25T10:27:23+08:00", "utc": "1972-10-25T02:27:23Z", "ms": 88828043391.49556 }, "end": { "local": "1972-10-26T07:17:46+08:00", "utc": "1972-10-25T23:17:46Z", "ms": 88903066397.74348 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-10-25T10:27:23+08:00", "utc": "1972-10-25T02:27:23Z", "ms": 88828043391.49556 }, "end": { "local": "1972-10-26T07:17:46+08:00", "utc": "1972-10-25T23:17:46Z", "ms": 88903066397.74348 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-10-25", "window": { "start": { "local": "1972-10-25T20:04:20+08:00", "utc": "1972-10-25T12:04:20Z", "ms": 88862660245.40105 }, "end": { "local": "1972-10-25T20:04:20+08:00", "utc": "1972-10-25T12:04:20Z", "ms": 88862660245.40105 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-10-26", "window": { "start": { "local": "1972-10-26T21:08:40+08:00", "utc": "1972-10-26T13:08:40Z", "ms": 88952920107.10374 }, "end": { "local": "1972-10-26T21:08:40+08:00", "utc": "1972-10-26T13:08:40Z", "ms": 88952920107.10374 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:27 on Wed 25 Oct to 07:18 on Thu 26 Oct.", "fact": "1972-10-25T02:27:23Z → 1972-10-25T23:17:46Z" }, { "step": "kaala", "text": "Moonrise is at 20:04 on the 25th and 21:09 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34617 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1972: Wednesday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-25", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1972 falls on Wednesday 25 October. Caturthī runs from 10:27 on Wed 25 Oct to 07:18 on Thu 26 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/sankashta-chaturthi?on=1972-10-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-10-28", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 489, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1972-10-29T01:08:13+08:00", "utc": "1972-10-28T17:08:13Z", "ms": 89140093229.58746 }, "end": { "local": "1972-10-30T00:23:19+08:00", "utc": "1972-10-29T16:23:19Z", "ms": 89223799473.2354 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-10-29T01:08:13+08:00", "utc": "1972-10-28T17:08:13Z", "ms": 89140093229.58746 }, "end": { "local": "1972-10-30T00:23:19+08:00", "utc": "1972-10-29T16:23:19Z", "ms": 89223799473.2354 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-10-28", "window": { "start": { "local": "1972-10-28T23:25:11+08:00", "utc": "1972-10-28T15:25:11Z", "ms": 89133910680.7787 }, "end": { "local": "1972-10-28T23:25:11+08:00", "utc": "1972-10-28T15:25:11Z", "ms": 89133910680.7787 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-10-29", "window": { "start": { "local": "1972-10-30T00:31:28+08:00", "utc": "1972-10-29T16:31:28Z", "ms": 89224288084.26459 }, "end": { "local": "1972-10-30T00:31:28+08:00", "utc": "1972-10-29T16:31:28Z", "ms": 89224288084.26459 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:08 on Sun 29 Oct to 00:23 on Mon 30 Oct.", "fact": "1972-10-28T17:08:13Z → 1972-10-29T16:23:19Z" }, { "step": "kaala", "text": "Moonrise is at 23:25 on the 28th and 00:31 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 28th and is not on the 29th.", "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: paraviddha → tithi-day · margin 489 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Qingyang, 1972: Saturday 28 October.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1972-10-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-10-28", "confidence": "boundary" } ], "quote": "In Qingyang, Ahoyī Aṣṭamī 1972 falls on Saturday 28 October. Aṣṭamī runs from 01:08 on Sun 29 Oct to 00:23 on Mon 30 Oct, and is current at moonrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-11-01", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19612, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-11-01T00:46:04+08:00", "utc": "1972-10-31T16:46:04Z", "ms": 89397964134.96944 }, "end": { "local": "1972-11-02T01:45:36+08:00", "utc": "1972-11-01T17:45:36Z", "ms": 89487935749.48466 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-01T00:46:04+08:00", "utc": "1972-10-31T16:46:04Z", "ms": 89397964134.96944 }, "end": { "local": "1972-11-02T01:45:36+08:00", "utc": "1972-11-01T17:45:36Z", "ms": 89487935749.48466 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-11-01", "window": { "start": { "local": "1972-11-01T07:11:29+08:00", "utc": "1972-10-31T23:11:29Z", "ms": 89421089264.11568 }, "end": { "local": "1972-11-01T07:11:29+08:00", "utc": "1972-10-31T23:11:29Z", "ms": 89421089264.11568 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-11-02", "window": { "start": { "local": "1972-11-02T07:12:27+08:00", "utc": "1972-11-01T23:12:27Z", "ms": 89507547308.17174 }, "end": { "local": "1972-11-02T07:12:27+08:00", "utc": "1972-11-01T23:12:27Z", "ms": 89507547308.17174 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:46 on Wed 1 Nov to 01:46 on Thu 2 Nov.", "fact": "1972-10-31T16:46:04Z → 1972-11-01T17:45:36Z" }, { "step": "kaala", "text": "Sunrise is at 07:11 on the 1st and 07:12 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19612 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Qingyang, 1972: Wednesday 1 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": "1972-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-01", "confidence": "determinate" } ], "quote": "In Qingyang, Ramā Ekādaśī 1972 falls on Wednesday 1 November. Ekādaśī runs from 00:46 on Wed 1 Nov to 01:46 on Thu 2 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-11-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21901, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1972-11-02T01:45:36+08:00", "utc": "1972-11-01T17:45:36Z", "ms": 89487935749.48466 }, "end": { "local": "1972-11-03T03:10:52+08:00", "utc": "1972-11-02T19:10:52Z", "ms": 89579452352.85498 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-02T01:45:36+08:00", "utc": "1972-11-01T17:45:36Z", "ms": 89487935749.48466 }, "end": { "local": "1972-11-03T03:10:52+08:00", "utc": "1972-11-02T19:10:52Z", "ms": 89579452352.85498 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-11-01", "window": { "start": { "local": "1972-11-01T17:54:08+08:00", "utc": "1972-11-01T09:54:08Z", "ms": 89459647838.72662 }, "end": { "local": "1972-11-01T19:40:34+08:00", "utc": "1972-11-01T11:40:34Z", "ms": 89466034434.65263 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1972-11-02", "window": { "start": { "local": "1972-11-02T17:53:08+08:00", "utc": "1972-11-02T09:53:08Z", "ms": 89545987917.95311 }, "end": { "local": "1972-11-02T19:39:50+08:00", "utc": "1972-11-02T11:39:50Z", "ms": 89552390281.44875 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:46 on Thu 2 Nov to 03:11 on Fri 3 Nov.", "fact": "1972-11-01T17:45:36Z → 1972-11-02T19:10:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:41 on the 1st, 17:53–19:40 on the 2nd.", "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 106 minutes on the 1st and 107 of 107 on the 2nd.", "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 21901 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Qingyang, 1972: Thursday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-02", "confidence": "determinate" } ], "quote": "In Qingyang, Govatsa Dvādaśī (Vasu Baras) 1972 falls on Thursday 2 November. Dvādaśī runs from 01:46 on Thu 2 Nov to 03:11 on Fri 3 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27062, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-11-03T03:10:52+08:00", "utc": "1972-11-02T19:10:52Z", "ms": 89579452352.85498 }, "end": { "local": "1972-11-04T04:57:34+08:00", "utc": "1972-11-03T20:57:34Z", "ms": 89672253865.43349 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-03T03:10:52+08:00", "utc": "1972-11-02T19:10:52Z", "ms": 89579452352.85498 }, "end": { "local": "1972-11-04T04:57:34+08:00", "utc": "1972-11-03T20:57:34Z", "ms": 89672253865.43349 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-11-02", "window": { "start": { "local": "1972-11-02T17:53:08+08:00", "utc": "1972-11-02T09:53:08Z", "ms": 89545987917.95311 }, "end": { "local": "1972-11-02T19:39:50+08:00", "utc": "1972-11-02T11:39:50Z", "ms": 89552390281.44875 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1972-11-03", "window": { "start": { "local": "1972-11-03T17:52:09+08:00", "utc": "1972-11-03T09:52:09Z", "ms": 89632329356.36034 }, "end": { "local": "1972-11-03T19:39:07+08:00", "utc": "1972-11-03T11:39:07Z", "ms": 89638747342.67812 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:11 on Fri 3 Nov to 04:58 on Sat 4 Nov.", "fact": "1972-11-02T19:10:52Z → 1972-11-03T20:57:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:40 on the 2nd, 17:52–19:39 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 2nd and 107 of 107 on the 3rd.", "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 27062 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Qingyang, 1972: Friday 3 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-03", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Dīpadāna 1972 falls on Friday 3 November. Trayodaśī runs from 03:11 on Fri 3 Nov to 04:58 on Sat 4 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/pradosha-vrata?on=1972-11-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27062, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-11-03T03:10:52+08:00", "utc": "1972-11-02T19:10:52Z", "ms": 89579452352.85498 }, "end": { "local": "1972-11-04T04:57:34+08:00", "utc": "1972-11-03T20:57:34Z", "ms": 89672253865.43349 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-03T03:10:52+08:00", "utc": "1972-11-02T19:10:52Z", "ms": 89579452352.85498 }, "end": { "local": "1972-11-04T04:57:34+08:00", "utc": "1972-11-03T20:57:34Z", "ms": 89672253865.43349 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-11-02", "window": { "start": { "local": "1972-11-02T17:53:08+08:00", "utc": "1972-11-02T09:53:08Z", "ms": 89545987917.95311 }, "end": { "local": "1972-11-02T19:39:50+08:00", "utc": "1972-11-02T11:39:50Z", "ms": 89552390281.44875 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1972-11-03", "window": { "start": { "local": "1972-11-03T17:52:09+08:00", "utc": "1972-11-03T09:52:09Z", "ms": 89632329356.36034 }, "end": { "local": "1972-11-03T19:39:07+08:00", "utc": "1972-11-03T11:39:07Z", "ms": 89638747342.67812 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:11 on Fri 3 Nov to 04:58 on Sat 4 Nov.", "fact": "1972-11-02T19:10:52Z → 1972-11-03T20:57:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:40 on the 2nd, 17:52–19:39 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 2nd and 107 of 107 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27062 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1972: Friday 3 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": "1972-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-03", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1972 falls on Friday 3 November. Trayodaśī runs from 03:11 on Fri 3 Nov to 04:58 on Sat 4 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-11-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 799, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-11-04T04:57:34+08:00", "utc": "1972-11-03T20:57:34Z", "ms": 89672253865.43349 }, "end": { "local": "1972-11-05T07:02:04+08:00", "utc": "1972-11-04T23:02:04Z", "ms": 89766124310.70192 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-04T04:57:34+08:00", "utc": "1972-11-03T20:57:34Z", "ms": 89672253865.43349 }, "end": { "local": "1972-11-05T07:02:04+08:00", "utc": "1972-11-04T23:02:04Z", "ms": 89766124310.70192 } }, "kaala": "arunodaya", "days": [ { "local_date": "1972-11-04", "window": { "start": { "local": "1972-11-04T05:27:26+08:00", "utc": "1972-11-03T21:27:26Z", "ms": 89674046267.4259 }, "end": { "local": "1972-11-04T07:14:24+08:00", "utc": "1972-11-03T23:14:24Z", "ms": 89680464253.74368 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1972-11-05", "window": { "start": { "local": "1972-11-05T05:28:10+08:00", "utc": "1972-11-04T21:28:10Z", "ms": 89760489659.04834 }, "end": { "local": "1972-11-05T07:15:23+08:00", "utc": "1972-11-04T23:15:23Z", "ms": 89766923116.91187 } }, "covered_min": 94, "window_min": 107, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:58 on Sat 4 Nov to 07:02 on Sun 5 Nov.", "fact": "1972-11-03T20:57:34Z → 1972-11-04T23:02:04Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:27–07:14 on the 4th, 05:28–07:15 on the 5th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 107 of 107 minutes on the 4th and 94 of 107 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both dawns qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 799 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Qingyang, 1972: Saturday 4 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-04", "confidence": "determinate" } ], "quote": "In Qingyang, Naraka Caturdaśī (Choti Diwali) 1972 falls on Saturday 4 November. Caturdaśī runs from 04:58 on Sat 4 Nov to 07:02 on Sun 5 Nov and covers all of aruṇodaya that dawn. It also reaches the next dawn for 94 minutes; by the rule the first dawn is taken.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/shivaratri?on=1972-11-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14417, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-11-04T04:57:34+08:00", "utc": "1972-11-03T20:57:34Z", "ms": 89672253865.43349 }, "end": { "local": "1972-11-05T07:02:04+08:00", "utc": "1972-11-04T23:02:04Z", "ms": 89766124310.70192 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-04T04:57:34+08:00", "utc": "1972-11-03T20:57:34Z", "ms": 89672253865.43349 }, "end": { "local": "1972-11-05T07:02:04+08:00", "utc": "1972-11-04T23:02:04Z", "ms": 89766124310.70192 } }, "kaala": "nishita", "days": [ { "local_date": "1972-11-03", "window": { "start": { "local": "1972-11-04T00:09:17+08:00", "utc": "1972-11-03T16:09:17Z", "ms": 89654956805.052 }, "end": { "local": "1972-11-04T00:57:17+08:00", "utc": "1972-11-03T16:57:17Z", "ms": 89657836805.052 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-11-04", "window": { "start": { "local": "1972-11-05T00:09:18+08:00", "utc": "1972-11-04T16:09:18Z", "ms": 89741357649.92365 }, "end": { "local": "1972-11-05T00:57:18+08:00", "utc": "1972-11-04T16:57:18Z", "ms": 89744237649.92365 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:58 on Sat 4 Nov to 07:02 on Sun 5 Nov.", "fact": "1972-11-03T20:57:34Z → 1972-11-04T23:02:04Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 3rd, 00:09–00:57 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14417 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1972: Saturday 4 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": "1972-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-04", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1972 falls on Saturday 4 November. Caturdaśī runs from 04:58 on Sat 4 Nov to 07:02 on Sun 5 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1972/shivaratri?on=1972-11-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30485, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1972-11-05T07:02:04+08:00", "utc": "1972-11-04T23:02:04Z", "ms": 89766124310.70192 }, "end": { "local": "1972-11-06T09:21:17+08:00", "utc": "1972-11-06T01:21:17Z", "ms": 89860877207.73743 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-05T07:02:04+08:00", "utc": "1972-11-04T23:02:04Z", "ms": 89766124310.70192 }, "end": { "local": "1972-11-06T09:21:17+08:00", "utc": "1972-11-06T01:21:17Z", "ms": 89860877207.73743 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-11-05", "window": { "start": { "local": "1972-11-05T17:50:16+08:00", "utc": "1972-11-05T09:50:16Z", "ms": 89805016426.13142 }, "end": { "local": "1972-11-05T19:37:45+08:00", "utc": "1972-11-05T11:37:45Z", "ms": 89811465197.59813 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1972-11-06", "window": { "start": { "local": "1972-11-06T17:49:22+08:00", "utc": "1972-11-06T09:49:22Z", "ms": 89891362113.946 }, "end": { "local": "1972-11-06T19:37:06+08:00", "utc": "1972-11-06T11:37:06Z", "ms": 89897826034.26779 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 07:02 on Sun 5 Nov to 09:21 on Mon 6 Nov.", "fact": "1972-11-04T23:02:04Z → 1972-11-06T01:21:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:38 on the 5th, 17:49–19:37 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 107 of 107 minutes on the 5th and 0 of 108 on the 6th.", "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 30485 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Qingyang, 1972: Sunday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-05", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pūjā (Diwali) 1972 falls on Sunday 5 November. Amāvasyā runs from 07:02 on Sun 5 Nov to 09:21 on Mon 6 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21887, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1972-11-05T07:02:04+08:00", "utc": "1972-11-04T23:02:04Z", "ms": 89766124310.70192 }, "end": { "local": "1972-11-06T09:21:17+08:00", "utc": "1972-11-06T01:21:17Z", "ms": 89860877207.73743 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-05T07:02:04+08:00", "utc": "1972-11-04T23:02:04Z", "ms": 89766124310.70192 }, "end": { "local": "1972-11-06T09:21:17+08:00", "utc": "1972-11-06T01:21:17Z", "ms": 89860877207.73743 } }, "kaala": "nishita", "days": [ { "local_date": "1972-11-04", "window": { "start": { "local": "1972-11-05T00:09:18+08:00", "utc": "1972-11-04T16:09:18Z", "ms": 89741357649.92365 }, "end": { "local": "1972-11-05T00:57:18+08:00", "utc": "1972-11-04T16:57:18Z", "ms": 89744237649.92365 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-11-05", "window": { "start": { "local": "1972-11-06T00:09:19+08:00", "utc": "1972-11-05T16:09:19Z", "ms": 89827759319.13156 }, "end": { "local": "1972-11-06T00:57:19+08:00", "utc": "1972-11-05T16:57:19Z", "ms": 89830639319.13156 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 07:02 on Sun 5 Nov to 09:21 on Mon 6 Nov.", "fact": "1972-11-04T23:02:04Z → 1972-11-06T01:21:17Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 4th, 00:09–00:57 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "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 21887 s" }, { "step": "ruling", "text": "Kālī Pūjā, Qingyang, 1972: Sunday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-05", "confidence": "determinate" } ], "quote": "In Qingyang, Kālī Pūjā 1972 falls on Sunday 5 November. Amāvasyā runs from 07:02 on Sun 5 Nov to 09:21 on Mon 6 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1019, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1972-11-06T09:21:17+08:00", "utc": "1972-11-06T01:21:17Z", "ms": 89860877207.73743 }, "end": { "local": "1972-11-07T11:51:56+08:00", "utc": "1972-11-07T03:51:56Z", "ms": 89956316223.50587 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-06T09:21:17+08:00", "utc": "1972-11-06T01:21:17Z", "ms": 89860877207.73743 }, "end": { "local": "1972-11-07T11:51:56+08:00", "utc": "1972-11-07T03:51:56Z", "ms": 89956316223.50587 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-11-06", "window": { "start": { "local": "1972-11-06T12:08:52+08:00", "utc": "1972-11-06T04:08:52Z", "ms": 89870932163.03885 }, "end": { "local": "1972-11-06T12:56:52+08:00", "utc": "1972-11-06T04:56:52Z", "ms": 89873812163.03885 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-11-07", "window": { "start": { "local": "1972-11-07T12:08:55+08:00", "utc": "1972-11-07T04:08:55Z", "ms": 89957335395.17258 }, "end": { "local": "1972-11-07T12:56:55+08:00", "utc": "1972-11-07T04:56:55Z", "ms": 89960215395.17258 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:21 on Mon 6 Nov to 11:52 on Tue 7 Nov.", "fact": "1972-11-06T01:21:17Z → 1972-11-07T03:51:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 6th, 12:09–12:57 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1019 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Qingyang, 1972: Monday 6 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-06", "confidence": "determinate" } ], "quote": "In Qingyang, Govardhana Pūjā 1972 falls on Monday 6 November. Pratipadā runs from 09:21 on Mon 6 Nov to 11:52 on Tue 7 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21393, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1972-11-06T09:21:17+08:00", "utc": "1972-11-06T01:21:17Z", "ms": 89860877207.73743 }, "end": { "local": "1972-11-07T11:51:56+08:00", "utc": "1972-11-07T03:51:56Z", "ms": 89956316223.50587 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-06T09:21:17+08:00", "utc": "1972-11-06T01:21:17Z", "ms": 89860877207.73743 }, "end": { "local": "1972-11-07T11:51:56+08:00", "utc": "1972-11-07T03:51:56Z", "ms": 89956316223.50587 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-11-06", "window": { "start": { "local": "1972-11-06T17:49:22+08:00", "utc": "1972-11-06T09:49:22Z", "ms": 89891362113.946 }, "end": { "local": "1972-11-06T19:37:06+08:00", "utc": "1972-11-06T11:37:06Z", "ms": 89897826034.26779 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1972-11-07", "window": { "start": { "local": "1972-11-07T17:48:29+08:00", "utc": "1972-11-07T09:48:29Z", "ms": 89977709273.98572 }, "end": { "local": "1972-11-07T19:36:28+08:00", "utc": "1972-11-07T11:36:28Z", "ms": 89984188171.47183 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:21 on Mon 6 Nov to 11:52 on Tue 7 Nov.", "fact": "1972-11-06T01:21:17Z → 1972-11-07T03:51:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:49–19:37 on the 6th, 17:48–19:36 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā 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. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21393 s" }, { "step": "ruling", "text": "Bali Pūjā, Qingyang, 1972: Monday 6 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-06", "confidence": "determinate" } ], "quote": "In Qingyang, Bali Pūjā 1972 falls on Monday 6 November. Pratipadā runs from 09:21 on Mon 6 Nov to 11:52 on Tue 7 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1019, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1972-11-07T11:51:56+08:00", "utc": "1972-11-07T03:51:56Z", "ms": 89956316223.50587 }, "end": { "local": "1972-11-08T14:29:43+08:00", "utc": "1972-11-08T06:29:43Z", "ms": 90052183212.71959 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-07T11:51:56+08:00", "utc": "1972-11-07T03:51:56Z", "ms": 89956316223.50587 }, "end": { "local": "1972-11-08T14:29:43+08:00", "utc": "1972-11-08T06:29:43Z", "ms": 90052183212.71959 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-11-07", "window": { "start": { "local": "1972-11-07T12:08:55+08:00", "utc": "1972-11-07T04:08:55Z", "ms": 89957335395.17258 }, "end": { "local": "1972-11-07T12:56:55+08:00", "utc": "1972-11-07T04:56:55Z", "ms": 89960215395.17258 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-11-08", "window": { "start": { "local": "1972-11-08T12:08:59+08:00", "utc": "1972-11-08T04:08:59Z", "ms": 90043739469.32217 }, "end": { "local": "1972-11-08T12:56:59+08:00", "utc": "1972-11-08T04:56:59Z", "ms": 90046619469.32217 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 11:52 on Tue 7 Nov to 14:30 on Wed 8 Nov.", "fact": "1972-11-07T03:51:56Z → 1972-11-08T06:29:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 7th, 12:09–12:57 on the 8th.", "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 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1019 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Qingyang, 1972: Tuesday 7 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-07", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Dvitīyā (Bhai Dooj) 1972 falls on Tuesday 7 November. Dvitīyā runs from 11:52 on Tue 7 Nov to 14:30 on Wed 8 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-07", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 3852, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1972-11-06T09:21:17+08:00", "utc": "1972-11-06T01:21:17Z", "ms": 89860877207.73743 }, "end": { "local": "1972-11-07T11:51:56+08:00", "utc": "1972-11-07T03:51:56Z", "ms": 89956316223.50587 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-06T09:21:17+08:00", "utc": "1972-11-06T01:21:17Z", "ms": 89860877207.73743 }, "end": { "local": "1972-11-07T11:51:56+08:00", "utc": "1972-11-07T03:51:56Z", "ms": 89956316223.50587 } }, "kaala": "purvahna", "days": [ { "local_date": "1972-11-06", "window": { "start": { "local": "1972-11-06T07:16:22+08:00", "utc": "1972-11-05T23:16:22Z", "ms": 89853382212.13168 }, "end": { "local": "1972-11-06T10:47:22+08:00", "utc": "1972-11-06T02:47:22Z", "ms": 89866042179.40312 } }, "covered_min": 86, "window_min": 211, "qualifies": true }, { "local_date": "1972-11-07", "window": { "start": { "local": "1972-11-07T07:17:22+08:00", "utc": "1972-11-06T23:17:22Z", "ms": 89939841516.35942 }, "end": { "local": "1972-11-07T10:47:44+08:00", "utc": "1972-11-07T02:47:44Z", "ms": 89952464102.23485 } }, "covered_min": 210, "window_min": 210, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:21 on Mon 6 Nov to 11:52 on Tue 7 Nov.", "fact": "1972-11-06T01:21:17Z → 1972-11-07T03:51:56Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:16–10:47 on the 6th, 07:17–10:48 on the 7th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 86 of 211 minutes on the 6th and 210 of 210 on the 7th.", "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 3852 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Qingyang, 1972: Tuesday 7 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-07", "confidence": "boundary" } ], "quote": "In Qingyang, Dyūta Pratipad 1972 falls on Tuesday 7 November. Pratipadā runs from 09:21 on Mon 6 Nov to 11:52 on Tue 7 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 86 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/1972/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/1972/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15086, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-11-09T17:08:31+08:00", "utc": "1972-11-09T09:08:31Z", "ms": 90148110707.10529 }, "end": { "local": "1972-11-10T19:39:58+08:00", "utc": "1972-11-10T11:39:58Z", "ms": 90243598349.90082 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-09T17:08:31+08:00", "utc": "1972-11-09T09:08:31Z", "ms": 90148110707.10529 }, "end": { "local": "1972-11-10T19:39:58+08:00", "utc": "1972-11-10T11:39:58Z", "ms": 90243598349.90082 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-11-09", "window": { "start": { "local": "1972-11-09T12:09:04+08:00", "utc": "1972-11-09T04:09:04Z", "ms": 90130144386.06248 }, "end": { "local": "1972-11-09T12:57:04+08:00", "utc": "1972-11-09T04:57:04Z", "ms": 90133024386.06248 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-11-10", "window": { "start": { "local": "1972-11-10T12:09:10+08:00", "utc": "1972-11-10T04:09:10Z", "ms": 90216550145.19748 }, "end": { "local": "1972-11-10T12:57:10+08:00", "utc": "1972-11-10T04:57:10Z", "ms": 90219430145.19748 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:09 on Thu 9 Nov to 19:40 on Fri 10 Nov.", "fact": "1972-11-09T09:08:31Z → 1972-11-10T11:39:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 9th, 12:09–12:57 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15086 s" }, { "step": "ruling", "text": "Nāga Caturthī, Qingyang, 1972: Friday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-10", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Caturthī 1972 falls on Friday 10 November. Caturthī runs from 17:09 on Thu 9 Nov to 19:40 on Fri 10 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/vinayaka-chaturthi?on=1972-11-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15086, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-11-09T17:08:31+08:00", "utc": "1972-11-09T09:08:31Z", "ms": 90148110707.10529 }, "end": { "local": "1972-11-10T19:39:58+08:00", "utc": "1972-11-10T11:39:58Z", "ms": 90243598349.90082 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-09T17:08:31+08:00", "utc": "1972-11-09T09:08:31Z", "ms": 90148110707.10529 }, "end": { "local": "1972-11-10T19:39:58+08:00", "utc": "1972-11-10T11:39:58Z", "ms": 90243598349.90082 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-11-09", "window": { "start": { "local": "1972-11-09T12:09:04+08:00", "utc": "1972-11-09T04:09:04Z", "ms": 90130144386.06248 }, "end": { "local": "1972-11-09T12:57:04+08:00", "utc": "1972-11-09T04:57:04Z", "ms": 90133024386.06248 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-11-10", "window": { "start": { "local": "1972-11-10T12:09:10+08:00", "utc": "1972-11-10T04:09:10Z", "ms": 90216550145.19748 }, "end": { "local": "1972-11-10T12:57:10+08:00", "utc": "1972-11-10T04:57:10Z", "ms": 90219430145.19748 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:09 on Thu 9 Nov to 19:40 on Fri 10 Nov.", "fact": "1972-11-09T09:08:31Z → 1972-11-10T11:39:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 9th, 12:09–12:57 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15086 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1972: Friday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-10", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1972 falls on Friday 10 November. Caturthī runs from 17:09 on Thu 9 Nov to 19:40 on Fri 10 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/vinayaka-chaturthi?on=1972-11-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32193, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1972-11-11T21:53:50+08:00", "utc": "1972-11-11T13:53:50Z", "ms": 90338030102.52013 }, "end": { "local": "1972-11-12T23:38:58+08:00", "utc": "1972-11-12T15:38:58Z", "ms": 90430737961.05496 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-11T21:53:50+08:00", "utc": "1972-11-11T13:53:50Z", "ms": 90338030102.52013 }, "end": { "local": "1972-11-12T23:38:58+08:00", "utc": "1972-11-12T15:38:58Z", "ms": 90430737961.05496 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-11-11", "window": { "start": { "local": "1972-11-11T12:09:17+08:00", "utc": "1972-11-11T04:09:17Z", "ms": 90302956745.80835 }, "end": { "local": "1972-11-11T12:57:17+08:00", "utc": "1972-11-11T04:57:17Z", "ms": 90305836745.80835 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-11-12", "window": { "start": { "local": "1972-11-12T12:09:24+08:00", "utc": "1972-11-12T04:09:24Z", "ms": 90389364186.30264 }, "end": { "local": "1972-11-12T12:57:24+08:00", "utc": "1972-11-12T04:57:24Z", "ms": 90392244186.30264 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:54 on Sat 11 Nov to 23:39 on Sun 12 Nov.", "fact": "1972-11-11T13:53:50Z → 1972-11-12T15:38:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 11th, 12:09–12:57 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32193 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Qingyang, 1972: Sunday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-12", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Chhath) 1972 falls on Sunday 12 November. Ṣaṣṭhī runs from 21:54 on Sat 11 Nov to 23:39 on Sun 12 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39951, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1972-11-14T00:45:00+08:00", "utc": "1972-11-13T16:45:00Z", "ms": 90521099515.60207 }, "end": { "local": "1972-11-15T01:04:00+08:00", "utc": "1972-11-14T17:04:00Z", "ms": 90608640040.60298 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-14T00:45:00+08:00", "utc": "1972-11-13T16:45:00Z", "ms": 90521099515.60207 }, "end": { "local": "1972-11-15T01:04:00+08:00", "utc": "1972-11-14T17:04:00Z", "ms": 90608640040.60298 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-11-14", "window": { "start": { "local": "1972-11-14T12:09:42+08:00", "utc": "1972-11-14T04:09:42Z", "ms": 90562181577.5943 }, "end": { "local": "1972-11-14T12:57:42+08:00", "utc": "1972-11-14T04:57:42Z", "ms": 90565061577.5943 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-11-15", "window": { "start": { "local": "1972-11-15T12:09:52+08:00", "utc": "1972-11-15T04:09:52Z", "ms": 90648591522.51302 }, "end": { "local": "1972-11-15T12:57:52+08:00", "utc": "1972-11-15T04:57:52Z", "ms": 90651471522.51302 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:45 on Tue 14 Nov to 01:04 on Wed 15 Nov.", "fact": "1972-11-13T16:45:00Z → 1972-11-14T17:04:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 14th, 12:10–12:58 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39951 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Qingyang, 1972: Tuesday 14 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-14", "confidence": "determinate" } ], "quote": "In Qingyang, Gopāṣṭamī 1972 falls on Tuesday 14 November. Aṣṭamī runs from 00:45 on Tue 14 Nov to 01:04 on Wed 15 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22880, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1972-11-15T01:04:00+08:00", "utc": "1972-11-14T17:04:00Z", "ms": 90608640040.60298 }, "end": { "local": "1972-11-16T00:31:47+08:00", "utc": "1972-11-15T16:31:47Z", "ms": 90693106764.88756 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-15T01:04:00+08:00", "utc": "1972-11-14T17:04:00Z", "ms": 90608640040.60298 }, "end": { "local": "1972-11-16T00:31:47+08:00", "utc": "1972-11-15T16:31:47Z", "ms": 90693106764.88756 } }, "kaala": "purvahna", "days": [ { "local_date": "1972-11-15", "window": { "start": { "local": "1972-11-15T07:25:20+08:00", "utc": "1972-11-14T23:25:20Z", "ms": 90631520278.91556 }, "end": { "local": "1972-11-15T10:51:01+08:00", "utc": "1972-11-15T02:51:01Z", "ms": 90643861107.98053 } }, "covered_min": 206, "window_min": 206, "qualifies": true }, { "local_date": "1972-11-16", "window": { "start": { "local": "1972-11-16T07:26:20+08:00", "utc": "1972-11-15T23:26:20Z", "ms": 90717980221.61269 }, "end": { "local": "1972-11-16T10:51:28+08:00", "utc": "1972-11-16T02:51:28Z", "ms": 90730288271.09683 } }, "covered_min": 0, "window_min": 205, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 01:04 on Wed 15 Nov to 00:32 on Thu 16 Nov.", "fact": "1972-11-14T17:04:00Z → 1972-11-15T16:31:47Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:25–10:51 on the 15th, 07:26–10:51 on the 16th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 206 of 206 minutes on the 15th and 0 of 205 on the 16th.", "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 22880 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Qingyang, 1972: Wednesday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-15", "confidence": "determinate" } ], "quote": "In Qingyang, Akṣaya Navamī (Amla Navami) 1972 falls on Wednesday 15 November. Navamī runs from 01:04 on Wed 15 Nov to 00:32 on Thu 16 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39951, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1972-11-15T01:04:00+08:00", "utc": "1972-11-14T17:04:00Z", "ms": 90608640040.60298 }, "end": { "local": "1972-11-16T00:31:47+08:00", "utc": "1972-11-15T16:31:47Z", "ms": 90693106764.88756 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-15T01:04:00+08:00", "utc": "1972-11-14T17:04:00Z", "ms": 90608640040.60298 }, "end": { "local": "1972-11-16T00:31:47+08:00", "utc": "1972-11-15T16:31:47Z", "ms": 90693106764.88756 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-11-15", "window": { "start": { "local": "1972-11-15T12:09:52+08:00", "utc": "1972-11-15T04:09:52Z", "ms": 90648591522.51302 }, "end": { "local": "1972-11-15T12:57:52+08:00", "utc": "1972-11-15T04:57:52Z", "ms": 90651471522.51302 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-11-16", "window": { "start": { "local": "1972-11-16T12:10:02+08:00", "utc": "1972-11-16T04:10:02Z", "ms": 90735002295.83891 }, "end": { "local": "1972-11-16T12:58:02+08:00", "utc": "1972-11-16T04:58:02Z", "ms": 90737882295.83891 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 01:04 on Wed 15 Nov to 00:32 on Thu 16 Nov.", "fact": "1972-11-14T17:04:00Z → 1972-11-15T16:31:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 15th, 12:10–12:58 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 39951 s" }, { "step": "ruling", "text": "Durgā Navamī, Qingyang, 1972: Wednesday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-15", "confidence": "determinate" } ], "quote": "In Qingyang, Durgā Navamī 1972 falls on Wednesday 15 November. Navamī runs from 01:04 on Wed 15 Nov to 00:32 on Thu 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-11-17", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29943, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-11-16T23:08:17+08:00", "utc": "1972-11-16T15:08:17Z", "ms": 90774496633.02782 }, "end": { "local": "1972-11-17T20:57:19+08:00", "utc": "1972-11-17T12:57:19Z", "ms": 90853039470.76207 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-16T23:08:17+08:00", "utc": "1972-11-16T15:08:17Z", "ms": 90774496633.02782 }, "end": { "local": "1972-11-17T20:57:19+08:00", "utc": "1972-11-17T12:57:19Z", "ms": 90853039470.76207 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-11-17", "window": { "start": { "local": "1972-11-17T07:27:20+08:00", "utc": "1972-11-16T23:27:20Z", "ms": 90804440081.28026 }, "end": { "local": "1972-11-17T07:27:20+08:00", "utc": "1972-11-16T23:27:20Z", "ms": 90804440081.28026 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1972-11-18", "window": { "start": { "local": "1972-11-18T07:28:20+08:00", "utc": "1972-11-17T23:28:20Z", "ms": 90890899824.98874 }, "end": { "local": "1972-11-18T07:28:20+08:00", "utc": "1972-11-17T23:28:20Z", "ms": 90890899824.98874 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:08 on Thu 16 Nov to 20:57 on Fri 17 Nov.", "fact": "1972-11-16T15:08:17Z → 1972-11-17T12:57:19Z" }, { "step": "kaala", "text": "Sunrise is at 07:27 on the 17th and 07:28 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 17th and is not on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29943 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Qingyang, 1972: Friday 17 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-17", "confidence": "determinate" } ], "quote": "In Qingyang, Prabodhinī Ekādaśī 1972 falls on Friday 17 November. Ekādaśī runs from 23:08 on Thu 16 Nov to 20:57 on Fri 17 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-11-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/pradosha-vrata?on=1972-11-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1520, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-11-18T18:05:53+08:00", "utc": "1972-11-18T10:05:53Z", "ms": 90929152800.37466 }, "end": { "local": "1972-11-19T14:43:07+08:00", "utc": "1972-11-19T06:43:07Z", "ms": 91003387182.72154 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-18T18:05:53+08:00", "utc": "1972-11-18T10:05:53Z", "ms": 90929152800.37466 }, "end": { "local": "1972-11-19T14:43:07+08:00", "utc": "1972-11-19T06:43:07Z", "ms": 91003387182.72154 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-11-18", "window": { "start": { "local": "1972-11-18T17:40:33+08:00", "utc": "1972-11-18T09:40:33Z", "ms": 90927632803.02878 }, "end": { "local": "1972-11-18T19:31:03+08:00", "utc": "1972-11-18T11:31:03Z", "ms": 90934263018.86176 } }, "covered_min": 85, "window_min": 111, "qualifies": true }, { "local_date": "1972-11-19", "window": { "start": { "local": "1972-11-19T17:40:00+08:00", "utc": "1972-11-19T09:40:00Z", "ms": 91013999682.99425 }, "end": { "local": "1972-11-19T19:30:42+08:00", "utc": "1972-11-19T11:30:42Z", "ms": 91020642237.32967 } }, "covered_min": 0, "window_min": 111, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:06 on Sat 18 Nov to 14:43 on Sun 19 Nov.", "fact": "1972-11-18T10:05:53Z → 1972-11-19T06:43:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:31 on the 18th, 17:40–19:31 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 85 of 111 minutes on the 18th and 0 of 111 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1520 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1972: Saturday 18 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": "1972-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-18", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1972 falls on Saturday 18 November. Trayodaśī runs from 18:06 on Sat 18 Nov to 14:43 on Sun 19 Nov and covers 85 of 111 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-11-18", "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/1972/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4278, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-11-20T10:59:35+08:00", "utc": "1972-11-20T02:59:35Z", "ms": 91076375351.57834 }, "end": { "local": "1972-11-21T07:06:31+08:00", "utc": "1972-11-20T23:06:31Z", "ms": 91148790692.91542 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-20T10:59:35+08:00", "utc": "1972-11-20T02:59:35Z", "ms": 91076375351.57834 }, "end": { "local": "1972-11-21T07:06:31+08:00", "utc": "1972-11-20T23:06:31Z", "ms": 91148790692.91542 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-11-20", "window": { "start": { "local": "1972-11-20T12:10:54+08:00", "utc": "1972-11-20T04:10:54Z", "ms": 91080653606.26883 }, "end": { "local": "1972-11-20T12:58:54+08:00", "utc": "1972-11-20T04:58:54Z", "ms": 91083533606.26883 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-11-21", "window": { "start": { "local": "1972-11-21T12:11:08+08:00", "utc": "1972-11-21T04:11:08Z", "ms": 91167068472.55612 }, "end": { "local": "1972-11-21T12:59:08+08:00", "utc": "1972-11-21T04:59:08Z", "ms": 91169948472.55612 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:00 on Mon 20 Nov to 07:07 on Tue 21 Nov.", "fact": "1972-11-20T02:59:35Z → 1972-11-20T23:06:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 20th, 12:11–12:59 on the 21st.", "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 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4278 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Qingyang, 1972: Monday 20 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kartiki-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-20", "confidence": "determinate" } ], "quote": "In Qingyang, Kārtikī Pūrṇimā 1972 falls on Monday 20 November. Pūrṇimā runs from 11:00 on Mon 20 Nov to 07:07 on Tue 21 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22027, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-11-20T10:59:35+08:00", "utc": "1972-11-20T02:59:35Z", "ms": 91076375351.57834 }, "end": { "local": "1972-11-21T07:06:31+08:00", "utc": "1972-11-20T23:06:31Z", "ms": 91148790692.91542 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1972-11-20T10:59:35+08:00", "utc": "1972-11-20T02:59:35Z", "ms": 91076375351.57834 }, "end": { "local": "1972-11-21T07:06:31+08:00", "utc": "1972-11-20T23:06:31Z", "ms": 91148790692.91542 } }, "kaala": "nishita", "days": [ { "local_date": "1972-11-19", "window": { "start": { "local": "1972-11-20T00:11:09+08:00", "utc": "1972-11-19T16:11:09Z", "ms": 91037469261.75208 }, "end": { "local": "1972-11-20T00:59:09+08:00", "utc": "1972-11-19T16:59:09Z", "ms": 91040349261.75208 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-11-20", "window": { "start": { "local": "1972-11-21T00:11:23+08:00", "utc": "1972-11-20T16:11:23Z", "ms": 91123883210.94272 }, "end": { "local": "1972-11-21T00:59:23+08:00", "utc": "1972-11-20T16:59:23Z", "ms": 91126763210.94272 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:00 on Mon 20 Nov to 07:07 on Tue 21 Nov.", "fact": "1972-11-20T02:59:35Z → 1972-11-20T23:06:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:11–00:59 on the 19th, 00:11–00:59 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22027 s" }, { "step": "ruling", "text": "Rāsayātrā, Qingyang, 1972: Monday 20 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": "1972-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-20", "confidence": "determinate" } ], "quote": "In Qingyang, Rāsayātrā 1972 falls on Monday 20 November. Pūrṇimā runs from 11:00 on Mon 20 Nov to 07:07 on Tue 21 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/sankashta-chaturthi?on=1972-11-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-11-23", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1436, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-11-23T20:21:34+08:00", "utc": "1972-11-23T12:21:34Z", "ms": 91369293896.85706 }, "end": { "local": "1972-11-24T17:38:31+08:00", "utc": "1972-11-24T09:38:31Z", "ms": 91445910787.96666 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-11-23T20:21:34+08:00", "utc": "1972-11-23T12:21:34Z", "ms": 91369293896.85706 }, "end": { "local": "1972-11-24T17:38:31+08:00", "utc": "1972-11-24T09:38:31Z", "ms": 91445910787.96666 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-11-23", "window": { "start": { "local": "1972-11-23T19:57:38+08:00", "utc": "1972-11-23T11:57:38Z", "ms": 91367858177.10342 }, "end": { "local": "1972-11-23T19:57:38+08:00", "utc": "1972-11-23T11:57:38Z", "ms": 91367858177.10342 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-11-24", "window": { "start": { "local": "1972-11-24T21:09:04+08:00", "utc": "1972-11-24T13:09:04Z", "ms": 91458544275.72185 }, "end": { "local": "1972-11-24T21:09:04+08:00", "utc": "1972-11-24T13:09:04Z", "ms": 91458544275.72185 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:22 on Thu 23 Nov to 17:39 on Fri 24 Nov.", "fact": "1972-11-23T12:21:34Z → 1972-11-24T09:38:31Z" }, { "step": "kaala", "text": "Moonrise is at 19:58 on the 23rd and 21:09 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 23rd and is not on the 24th.", "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 1436 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1972: Thursday 23 November.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-11-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-11-23", "confidence": "boundary" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1972 falls on Thursday 23 November. Caturthī runs from 20:22 on Thu 23 Nov to 17:39 on Fri 24 Nov, and is current at moonrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1972/sankashta-chaturthi?on=1972-11-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/ekadashi?on=1972-12-01", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31338, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-11-30T16:22:13+08:00", "utc": "1972-11-30T08:22:13Z", "ms": 91959733219.86646 }, "end": { "local": "1972-12-01T18:20:35+08:00", "utc": "1972-12-01T10:20:35Z", "ms": 92053235042.077 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-11-30T16:22:13+08:00", "utc": "1972-11-30T08:22:13Z", "ms": 91959733219.86646 }, "end": { "local": "1972-12-01T18:20:35+08:00", "utc": "1972-12-01T10:20:35Z", "ms": 92053235042.077 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-11-30", "window": { "start": { "local": "1972-11-30T07:39:55+08:00", "utc": "1972-11-29T23:39:55Z", "ms": 91928395453.696 }, "end": { "local": "1972-11-30T07:39:55+08:00", "utc": "1972-11-29T23:39:55Z", "ms": 91928395453.696 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-12-01", "window": { "start": { "local": "1972-12-01T07:40:50+08:00", "utc": "1972-11-30T23:40:50Z", "ms": 92014850432.8181 }, "end": { "local": "1972-12-01T07:40:50+08:00", "utc": "1972-11-30T23:40:50Z", "ms": 92014850432.8181 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:22 on Thu 30 Nov to 18:21 on Fri 1 Dec.", "fact": "1972-11-30T08:22:13Z → 1972-12-01T10:20:35Z" }, { "step": "kaala", "text": "Sunrise is at 07:40 on the 30th and 07:41 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31338 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Qingyang, 1972: Friday 1 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": "1972-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-01", "confidence": "determinate" } ], "quote": "In Qingyang, Utpannā Ekādaśī 1972 falls on Friday 1 December. Ekādaśī runs from 16:22 on Thu 30 Nov to 18:21 on Fri 1 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-12-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/pradosha-vrata?on=1972-12-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4217, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-12-02T20:38:54+08:00", "utc": "1972-12-02T12:38:54Z", "ms": 92147933919.81049 }, "end": { "local": "1972-12-03T23:09:46+08:00", "utc": "1972-12-03T15:09:46Z", "ms": 92243385894.62306 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-12-02T20:38:54+08:00", "utc": "1972-12-02T12:38:54Z", "ms": 92147933919.81049 }, "end": { "local": "1972-12-03T23:09:46+08:00", "utc": "1972-12-03T15:09:46Z", "ms": 92243385894.62306 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-12-02", "window": { "start": { "local": "1972-12-02T17:35:42+08:00", "utc": "1972-12-02T09:35:42Z", "ms": 92136941775.79048 }, "end": { "local": "1972-12-02T19:28:37+08:00", "utc": "1972-12-02T11:28:37Z", "ms": 92143717312.97993 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "1972-12-03", "window": { "start": { "local": "1972-12-03T17:35:36+08:00", "utc": "1972-12-03T09:35:36Z", "ms": 92223335770.32306 }, "end": { "local": "1972-12-03T19:28:39+08:00", "utc": "1972-12-03T11:28:39Z", "ms": 92230119146.82327 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:39 on Sat 2 Dec to 23:10 on Sun 3 Dec.", "fact": "1972-12-02T12:38:54Z → 1972-12-03T15:09:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:29 on the 2nd, 17:36–19:29 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 113 minutes on the 2nd and 113 of 113 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4217 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1972: Sunday 3 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": "1972-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-03", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1972 falls on Sunday 3 December. Trayodaśī runs from 20:39 on Sat 2 Dec to 23:10 on Sun 3 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-12-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/shivaratri?on=1972-12-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-03", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2565, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1972-12-03T23:09:46+08:00", "utc": "1972-12-03T15:09:46Z", "ms": 92243385894.62306 }, "end": { "local": "1972-12-05T01:46:42+08:00", "utc": "1972-12-04T17:46:42Z", "ms": 92339201971.39503 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-12-03T23:09:46+08:00", "utc": "1972-12-03T15:09:46Z", "ms": 92243385894.62306 }, "end": { "local": "1972-12-05T01:46:42+08:00", "utc": "1972-12-04T17:46:42Z", "ms": 92339201971.39503 } }, "kaala": "nishita", "days": [ { "local_date": "1972-12-03", "window": { "start": { "local": "1972-12-04T00:15:33+08:00", "utc": "1972-12-03T16:15:33Z", "ms": 92247333432.19888 }, "end": { "local": "1972-12-04T01:03:33+08:00", "utc": "1972-12-03T17:03:33Z", "ms": 92250213432.19888 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-12-04", "window": { "start": { "local": "1972-12-05T00:15:57+08:00", "utc": "1972-12-04T16:15:57Z", "ms": 92333757411.56593 }, "end": { "local": "1972-12-05T01:03:57+08:00", "utc": "1972-12-04T17:03:57Z", "ms": 92336637411.56593 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:10 on Sun 3 Dec to 01:47 on Tue 5 Dec.", "fact": "1972-12-03T15:09:46Z → 1972-12-04T17:46:42Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:16–01:04 on the 3rd, 00:16–01:04 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2565 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1972: Sunday 3 December.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-12-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-04", "confidence": "boundary" } ], "quote": "In Qingyang, Śivarātri 1972 falls on Sunday 3 December. Caturdaśī runs from 23:10 on Sun 3 Dec to 01:47 on Tue 5 Dec and covers all of niśītha that night. It also reaches the next night for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1972/shivaratri?on=1972-12-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/vinayaka-chaturthi?on=1972-12-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-09", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 77, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-12-09T11:24:32+08:00", "utc": "1972-12-09T03:24:32Z", "ms": 92719471698.54779 }, "end": { "local": "1972-12-10T13:07:26+08:00", "utc": "1972-12-10T05:07:26Z", "ms": 92812045664.69197 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-12-09T11:24:32+08:00", "utc": "1972-12-09T03:24:32Z", "ms": 92719471698.54779 }, "end": { "local": "1972-12-10T13:07:26+08:00", "utc": "1972-12-10T05:07:26Z", "ms": 92812045664.69197 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-12-09", "window": { "start": { "local": "1972-12-09T12:17:42+08:00", "utc": "1972-12-09T04:17:42Z", "ms": 92722661618.18814 }, "end": { "local": "1972-12-09T13:05:42+08:00", "utc": "1972-12-09T05:05:42Z", "ms": 92725541618.18814 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-12-10", "window": { "start": { "local": "1972-12-10T12:18:09+08:00", "utc": "1972-12-10T04:18:09Z", "ms": 92809089080.33118 }, "end": { "local": "1972-12-10T13:06:09+08:00", "utc": "1972-12-10T05:06:09Z", "ms": 92811969080.33118 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:25 on Sat 9 Dec to 13:07 on Sun 10 Dec.", "fact": "1972-12-09T03:24:32Z → 1972-12-10T05:07:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 9th, 12:18–13:06 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 48 of 48 on the 10th.", "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 77 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1972: Saturday 9 December.", "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": "1972-12-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-09", "confidence": "boundary" } ], "quote": "In Qingyang, Vināyaka Caturthī 1972 falls on Saturday 9 December. Caturthī runs from 11:25 on Sat 9 Dec to 13:07 on Sun 10 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. It is 1 min 17 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1972/vinayaka-chaturthi?on=1972-12-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-11", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 77, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1972-12-10T13:07:26+08:00", "utc": "1972-12-10T05:07:26Z", "ms": 92812045664.69197 }, "end": { "local": "1972-12-11T14:20:32+08:00", "utc": "1972-12-11T06:20:32Z", "ms": 92902832077.6272 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-12-10T13:07:26+08:00", "utc": "1972-12-10T05:07:26Z", "ms": 92812045664.69197 }, "end": { "local": "1972-12-11T14:20:32+08:00", "utc": "1972-12-11T06:20:32Z", "ms": 92902832077.6272 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-12-10", "window": { "start": { "local": "1972-12-10T12:18:09+08:00", "utc": "1972-12-10T04:18:09Z", "ms": 92809089080.33118 }, "end": { "local": "1972-12-10T13:06:09+08:00", "utc": "1972-12-10T05:06:09Z", "ms": 92811969080.33118 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-12-11", "window": { "start": { "local": "1972-12-11T12:18:37+08:00", "utc": "1972-12-11T04:18:37Z", "ms": 92895516942.4501 }, "end": { "local": "1972-12-11T13:06:37+08:00", "utc": "1972-12-11T05:06:37Z", "ms": 92898396942.4501 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:07 on Sun 10 Dec to 14:21 on Mon 11 Dec.", "fact": "1972-12-10T05:07:26Z → 1972-12-11T06:20:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 10th, 12:19–13:07 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 77 s < 300 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Qingyang, 1972: Monday 11 December.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-12-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-11", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī (Mārgaśīrṣa) 1972 falls on Monday 11 December. Pañcamī runs from 13:07 on Sun 10 Dec to 14:21 on Mon 11 Dec and covers all of madhyāhna that midday. It is 1 min 17 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4435, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1972-12-11T14:20:32+08:00", "utc": "1972-12-11T06:20:32Z", "ms": 92902832077.6272 }, "end": { "local": "1972-12-12T14:57:34+08:00", "utc": "1972-12-12T06:57:34Z", "ms": 92991453869.4903 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-12-11T14:20:32+08:00", "utc": "1972-12-11T06:20:32Z", "ms": 92902832077.6272 }, "end": { "local": "1972-12-12T14:57:34+08:00", "utc": "1972-12-12T06:57:34Z", "ms": 92991453869.4903 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-12-11", "window": { "start": { "local": "1972-12-11T12:18:37+08:00", "utc": "1972-12-11T04:18:37Z", "ms": 92895516942.4501 }, "end": { "local": "1972-12-11T13:06:37+08:00", "utc": "1972-12-11T05:06:37Z", "ms": 92898396942.4501 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-12-12", "window": { "start": { "local": "1972-12-12T12:19:05+08:00", "utc": "1972-12-12T04:19:05Z", "ms": 92981945171.31772 }, "end": { "local": "1972-12-12T13:07:05+08:00", "utc": "1972-12-12T05:07:05Z", "ms": 92984825171.31772 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:21 on Mon 11 Dec to 14:58 on Tue 12 Dec.", "fact": "1972-12-11T06:20:32Z → 1972-12-12T06:57:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 11th, 12:19–13:07 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4435 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Qingyang, 1972: Tuesday 12 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-12", "confidence": "determinate" } ], "quote": "In Qingyang, Campā Ṣaṣṭhī 1972 falls on Tuesday 12 December. Ṣaṣṭhī runs from 14:21 on Mon 11 Dec to 14:58 on Tue 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4435, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1972-12-11T14:20:32+08:00", "utc": "1972-12-11T06:20:32Z", "ms": 92902832077.6272 }, "end": { "local": "1972-12-12T14:57:34+08:00", "utc": "1972-12-12T06:57:34Z", "ms": 92991453869.4903 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-12-11T14:20:32+08:00", "utc": "1972-12-11T06:20:32Z", "ms": 92902832077.6272 }, "end": { "local": "1972-12-12T14:57:34+08:00", "utc": "1972-12-12T06:57:34Z", "ms": 92991453869.4903 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-12-11", "window": { "start": { "local": "1972-12-11T12:18:37+08:00", "utc": "1972-12-11T04:18:37Z", "ms": 92895516942.4501 }, "end": { "local": "1972-12-11T13:06:37+08:00", "utc": "1972-12-11T05:06:37Z", "ms": 92898396942.4501 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-12-12", "window": { "start": { "local": "1972-12-12T12:19:05+08:00", "utc": "1972-12-12T04:19:05Z", "ms": 92981945171.31772 }, "end": { "local": "1972-12-12T13:07:05+08:00", "utc": "1972-12-12T05:07:05Z", "ms": 92984825171.31772 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:21 on Mon 11 Dec to 14:58 on Tue 12 Dec.", "fact": "1972-12-11T06:20:32Z → 1972-12-12T06:57:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 11th, 12:19–13:07 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 4435 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Qingyang, 1972: Tuesday 12 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-12", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī 1972 falls on Tuesday 12 December. Ṣaṣṭhī runs from 14:21 on Mon 11 Dec to 14:58 on Tue 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6370, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1972-12-12T14:57:34+08:00", "utc": "1972-12-12T06:57:34Z", "ms": 92991453869.4903 }, "end": { "local": "1972-12-13T14:53:44+08:00", "utc": "1972-12-13T06:53:44Z", "ms": 93077623976.19691 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-12-12T14:57:34+08:00", "utc": "1972-12-12T06:57:34Z", "ms": 92991453869.4903 }, "end": { "local": "1972-12-13T14:53:44+08:00", "utc": "1972-12-13T06:53:44Z", "ms": 93077623976.19691 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-12-12", "window": { "start": { "local": "1972-12-12T12:19:05+08:00", "utc": "1972-12-12T04:19:05Z", "ms": 92981945171.31772 }, "end": { "local": "1972-12-12T13:07:05+08:00", "utc": "1972-12-12T05:07:05Z", "ms": 92984825171.31772 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1972-12-13", "window": { "start": { "local": "1972-12-13T12:19:34+08:00", "utc": "1972-12-13T04:19:34Z", "ms": 93068373733.73312 }, "end": { "local": "1972-12-13T13:07:34+08:00", "utc": "1972-12-13T05:07:34Z", "ms": 93071253733.73312 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:58 on Tue 12 Dec to 14:54 on Wed 13 Dec.", "fact": "1972-12-12T06:57:34Z → 1972-12-13T06:53:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 12th, 12:20–13:08 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6370 s" }, { "step": "ruling", "text": "Mitra Saptamī, Qingyang, 1972: Wednesday 13 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-13", "confidence": "determinate" } ], "quote": "In Qingyang, Mitra Saptamī 1972 falls on Wednesday 13 December. Saptamī runs from 14:58 on Tue 12 Dec to 14:54 on Wed 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/ekadashi?on=1972-12-16", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 716, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-12-16T10:26:08+08:00", "utc": "1972-12-16T02:26:08Z", "ms": 93320767563.40007 }, "end": { "local": "1972-12-17T07:41:27+08:00", "utc": "1972-12-16T23:41:27Z", "ms": 93397286718.74321 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-12-16T10:26:08+08:00", "utc": "1972-12-16T02:26:08Z", "ms": 93320767563.40007 }, "end": { "local": "1972-12-17T07:41:27+08:00", "utc": "1972-12-16T23:41:27Z", "ms": 93397286718.74321 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-12-16", "window": { "start": { "local": "1972-12-16T07:52:45+08:00", "utc": "1972-12-15T23:52:45Z", "ms": 93311564511.15492 }, "end": { "local": "1972-12-16T07:52:45+08:00", "utc": "1972-12-15T23:52:45Z", "ms": 93311564511.15492 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-12-17", "window": { "start": { "local": "1972-12-17T07:53:22+08:00", "utc": "1972-12-16T23:53:22Z", "ms": 93398002439.05191 }, "end": { "local": "1972-12-17T07:53:22+08:00", "utc": "1972-12-16T23:53:22Z", "ms": 93398002439.05191 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:26 on Sat 16 Dec to 07:41 on Sun 17 Dec.", "fact": "1972-12-16T02:26:08Z → 1972-12-16T23:41:27Z" }, { "step": "kaala", "text": "Sunrise is at 07:53 on the 16th and 07:53 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is not on the 17th.", "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 716 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Qingyang, 1972: Saturday 16 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": "1972-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-16", "confidence": "determinate" } ], "quote": "In Qingyang, Mokṣadā Ekādaśī 1972 falls on Saturday 16 December. Ekādaśī runs from 10:26 on Sat 16 Dec to 07:41 on Sun 17 Dec, and is current at sunrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-12-16", "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/1972/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16804, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1972-12-17T07:41:27+08:00", "utc": "1972-12-16T23:41:27Z", "ms": 93397286718.74321 }, "end": { "local": "1972-12-18T04:29:46+08:00", "utc": "1972-12-17T20:29:46Z", "ms": 93472185625.0572 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-12-17T07:41:27+08:00", "utc": "1972-12-16T23:41:27Z", "ms": 93397286718.74321 }, "end": { "local": "1972-12-18T04:29:46+08:00", "utc": "1972-12-17T20:29:46Z", "ms": 93472185625.0572 } }, "kaala": "madhyahna", "days": [ { "local_date": "1972-12-17", "window": { "start": { "local": "1972-12-17T12:21:31+08:00", "utc": "1972-12-17T04:21:31Z", "ms": 93414090662.45918 }, "end": { "local": "1972-12-17T13:09:31+08:00", "utc": "1972-12-17T05:09:31Z", "ms": 93416970662.45918 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1972-12-18", "window": { "start": { "local": "1972-12-18T12:22:00+08:00", "utc": "1972-12-18T04:22:00Z", "ms": 93500520405.74779 }, "end": { "local": "1972-12-18T13:10:00+08:00", "utc": "1972-12-18T05:10:00Z", "ms": 93503400405.74779 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:41 on Sun 17 Dec to 04:30 on Mon 18 Dec.", "fact": "1972-12-16T23:41:27Z → 1972-12-17T20:29:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 17th, 12:22–13:10 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16804 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Qingyang, 1972: Sunday 17 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": "1972-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-17", "confidence": "determinate" } ], "quote": "In Qingyang, Akhaṇḍa Dvādaśī 1972 falls on Sunday 17 December. Dvādaśī runs from 07:41 on Sun 17 Dec to 04:30 on Mon 18 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/pradosha-vrata?on=1972-12-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19661, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1972-12-18T04:29:46+08:00", "utc": "1972-12-17T20:29:46Z", "ms": 93472185625.0572 }, "end": { "local": "1972-12-19T00:59:55+08:00", "utc": "1972-12-18T16:59:55Z", "ms": 93545995002.48517 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-12-18T04:29:46+08:00", "utc": "1972-12-17T20:29:46Z", "ms": 93472185625.0572 }, "end": { "local": "1972-12-19T00:59:55+08:00", "utc": "1972-12-18T16:59:55Z", "ms": 93545995002.48517 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-12-17", "window": { "start": { "local": "1972-12-17T17:37:39+08:00", "utc": "1972-12-17T09:37:39Z", "ms": 93433058885.86646 }, "end": { "local": "1972-12-17T19:31:50+08:00", "utc": "1972-12-17T11:31:50Z", "ms": 93439909554.35439 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "1972-12-18", "window": { "start": { "local": "1972-12-18T17:38:02+08:00", "utc": "1972-12-18T09:38:02Z", "ms": 93519481911.96965 }, "end": { "local": "1972-12-18T19:32:14+08:00", "utc": "1972-12-18T11:32:14Z", "ms": 93526334171.2518 } }, "covered_min": 114, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:30 on Mon 18 Dec to 01:00 on Tue 19 Dec.", "fact": "1972-12-17T20:29:46Z → 1972-12-18T16:59:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:38–19:32 on the 17th, 17:38–19:32 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 114 minutes on the 17th and 114 of 114 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19661 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1972: Monday 18 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1972-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-18", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1972 falls on Monday 18 December. Trayodaśī runs from 04:30 on Mon 18 Dec to 01:00 on Tue 19 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/pradosha-vrata?on=1972-12-18", "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/1972/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 371, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1972-12-19T21:21:38+08:00", "utc": "1972-12-19T13:21:38Z", "ms": 93619297997.45642 }, "end": { "local": "1972-12-20T17:45:04+08:00", "utc": "1972-12-20T09:45:04Z", "ms": 93692704329.088 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-12-19T21:21:38+08:00", "utc": "1972-12-19T13:21:38Z", "ms": 93619297997.45642 }, "end": { "local": "1972-12-20T17:45:04+08:00", "utc": "1972-12-20T09:45:04Z", "ms": 93692704329.088 } }, "kaala": "pradosha", "days": [ { "local_date": "1972-12-19", "window": { "start": { "local": "1972-12-19T17:38:27+08:00", "utc": "1972-12-19T09:38:27Z", "ms": 93605906729.51654 }, "end": { "local": "1972-12-19T19:32:40+08:00", "utc": "1972-12-19T11:32:40Z", "ms": 93612760135.73723 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "1972-12-20", "window": { "start": { "local": "1972-12-20T17:38:53+08:00", "utc": "1972-12-20T09:38:53Z", "ms": 93692333314.92436 }, "end": { "local": "1972-12-20T19:33:07+08:00", "utc": "1972-12-20T11:33:07Z", "ms": 93699187423.00714 } }, "covered_min": 6, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:22 on Tue 19 Dec to 17:45 on Wed 20 Dec.", "fact": "1972-12-19T13:21:38Z → 1972-12-20T09:45:04Z" }, { "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": "Pūrṇimā must be present during pradoṣa. It covers 0 of 114 minutes on the 19th and 6 of 114 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 371 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Qingyang, 1972: Wednesday 20 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": "1972-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-20", "confidence": "determinate" } ], "quote": "In Qingyang, Dattātreyotpatti (Datta Jayanti) 1972 falls on Wednesday 20 December. Pūrṇimā runs from 21:22 on Tue 19 Dec to 17:45 on Wed 20 Dec and covers 6 of 114 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1972/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/1972/sankashta-chaturthi?on=1972-12-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35206, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1972-12-23T08:46:05+08:00", "utc": "1972-12-23T00:46:05Z", "ms": 93919564658.77472 }, "end": { "local": "1972-12-24T06:53:26+08:00", "utc": "1972-12-23T22:53:26Z", "ms": 93999205873.84726 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-12-23T08:46:05+08:00", "utc": "1972-12-23T00:46:05Z", "ms": 93919564658.77472 }, "end": { "local": "1972-12-24T06:53:26+08:00", "utc": "1972-12-23T22:53:26Z", "ms": 93999205873.84726 } }, "kaala": "moonrise", "days": [ { "local_date": "1972-12-22", "window": { "start": { "local": "1972-12-22T19:55:57+08:00", "utc": "1972-12-22T11:55:57Z", "ms": 93873356920.80368 }, "end": { "local": "1972-12-22T19:55:57+08:00", "utc": "1972-12-22T11:55:57Z", "ms": 93873356920.80368 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-12-23", "window": { "start": { "local": "1972-12-23T21:06:40+08:00", "utc": "1972-12-23T13:06:40Z", "ms": 93963999997.08932 }, "end": { "local": "1972-12-23T21:06:40+08:00", "utc": "1972-12-23T13:06:40Z", "ms": 93963999997.08932 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:46 on Sat 23 Dec to 06:53 on Sun 24 Dec.", "fact": "1972-12-23T00:46:05Z → 1972-12-23T22:53:26Z" }, { "step": "kaala", "text": "Moonrise is at 19:56 on the 22nd and 21:07 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35206 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1972: Saturday 23 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": "1972-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-23", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1972 falls on Saturday 23 December. Caturthī runs from 08:46 on Sat 23 Dec to 06:53 on Sun 24 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/sankashta-chaturthi?on=1972-12-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1972/ekadashi?on=1972-12-31", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1972, "local_date": "1972-12-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12059, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1972-12-30T11:20:09+08:00", "utc": "1972-12-30T03:20:09Z", "ms": 94533609385.61835 }, "end": { "local": "1972-12-31T13:55:43+08:00", "utc": "1972-12-31T05:55:43Z", "ms": 94629342694.95996 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1972-12-30T11:20:09+08:00", "utc": "1972-12-30T03:20:09Z", "ms": 94533609385.61835 }, "end": { "local": "1972-12-31T13:55:43+08:00", "utc": "1972-12-31T05:55:43Z", "ms": 94629342694.95996 } }, "kaala": "sunrise", "days": [ { "local_date": "1972-12-30", "window": { "start": { "local": "1972-12-30T07:59:10+08:00", "utc": "1972-12-29T23:59:10Z", "ms": 94521550080.96602 }, "end": { "local": "1972-12-30T07:59:10+08:00", "utc": "1972-12-29T23:59:10Z", "ms": 94521550080.96602 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1972-12-31", "window": { "start": { "local": "1972-12-31T07:59:25+08:00", "utc": "1972-12-30T23:59:25Z", "ms": 94607964604.6147 }, "end": { "local": "1972-12-31T07:59:25+08:00", "utc": "1972-12-30T23:59:25Z", "ms": 94607964604.6147 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:20 on Sat 30 Dec to 13:56 on Sun 31 Dec.", "fact": "1972-12-30T03:20:09Z → 1972-12-31T05:55:43Z" }, { "step": "kaala", "text": "Sunrise is at 07:59 on the 30th and 07:59 on the 31st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is on the 31st.", "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 12059 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Qingyang, 1972: Sunday 31 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": "1972-12-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1972-12-31", "confidence": "determinate" } ], "quote": "In Qingyang, Saphalā Ekādaśī 1972 falls on Sunday 31 December. Ekādaśī runs from 11:20 on Sat 30 Dec to 13:56 on Sun 31 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1972/ekadashi?on=1972-12-31", "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" } }