{ "id": "/qingyang/festivals/1952", "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": 1952, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/qingyang/festivals/1952/ekadashi?on=1952-01-07", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15559, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-01-07T02:08:36+08:00", "utc": "1952-01-06T18:08:36Z", "ms": -567582684183.079 }, "end": { "local": "1952-01-08T03:40:56+08:00", "utc": "1952-01-07T19:40:56Z", "ms": -567490743550.1343 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-01-07T02:08:36+08:00", "utc": "1952-01-06T18:08:36Z", "ms": -567582684183.079 }, "end": { "local": "1952-01-08T03:40:56+08:00", "utc": "1952-01-07T19:40:56Z", "ms": -567490743550.1343 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-01-07", "window": { "start": { "local": "1952-01-07T08:00:15+08:00", "utc": "1952-01-07T00:00:15Z", "ms": -567561584828.0623 }, "end": { "local": "1952-01-07T08:00:15+08:00", "utc": "1952-01-07T00:00:15Z", "ms": -567561584828.0623 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-01-08", "window": { "start": { "local": "1952-01-08T08:00:16+08:00", "utc": "1952-01-08T00:00:16Z", "ms": -567475184064.5452 }, "end": { "local": "1952-01-08T08:00:16+08:00", "utc": "1952-01-08T00:00:16Z", "ms": -567475184064.5452 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:09 on Mon 7 Jan to 03:41 on Tue 8 Jan.", "fact": "1952-01-06T18:08:36Z → 1952-01-07T19:40:56Z" }, { "step": "kaala", "text": "Sunrise is at 08:00 on the 7th and 08:00 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15559 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Qingyang, 1952: Monday 7 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-07", "confidence": "determinate" } ], "quote": "In Qingyang, Putradā Ekādaśī 1952 falls on Monday 7 January. Ekādaśī runs from 02:09 on Mon 7 Jan to 03:41 on Tue 8 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-01-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-01-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35564, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-01-09T05:37:17+08:00", "utc": "1952-01-08T21:37:17Z", "ms": -567397363323.1609 }, "end": { "local": "1952-01-10T07:51:48+08:00", "utc": "1952-01-09T23:51:48Z", "ms": -567302892240.2347 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-01-09T05:37:17+08:00", "utc": "1952-01-08T21:37:17Z", "ms": -567397363323.1609 }, "end": { "local": "1952-01-10T07:51:48+08:00", "utc": "1952-01-09T23:51:48Z", "ms": -567302892240.2347 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-01-08", "window": { "start": { "local": "1952-01-08T17:51:22+08:00", "utc": "1952-01-08T09:51:22Z", "ms": -567439717862.5168 }, "end": { "local": "1952-01-08T19:44:33+08:00", "utc": "1952-01-08T11:44:33Z", "ms": -567432926849.9904 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "1952-01-09", "window": { "start": { "local": "1952-01-09T17:52:15+08:00", "utc": "1952-01-09T09:52:15Z", "ms": -567353264839.9833 }, "end": { "local": "1952-01-09T19:45:19+08:00", "utc": "1952-01-09T11:45:19Z", "ms": -567346481319.9468 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:37 on Wed 9 Jan to 07:52 on Thu 10 Jan.", "fact": "1952-01-08T21:37:17Z → 1952-01-09T23:51:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:45 on the 8th, 17:52–19:45 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 113 minutes on the 8th and 113 of 113 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 35564 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1952: Wednesday 9 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": "1952-01-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-09", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1952 falls on Wednesday 9 January. Trayodaśī runs from 05:37 on Wed 9 Jan to 07:52 on Thu 10 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-01-09", "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/1952/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 522, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1952-01-14T18:05:35+08:00", "utc": "1952-01-14T10:05:35Z", "ms": -566920464727.6503 }, "end": { "local": "1952-02-13T07:04:39+08:00", "utc": "1952-02-12T23:04:39Z", "ms": -564368121016.4778 } }, "span": { "of": "transit", "start": { "local": "1952-01-14T18:05:35+08:00", "utc": "1952-01-14T10:05:35Z", "ms": -566920464727.6503 }, "end": { "local": "1952-01-14T18:05:35+08:00", "utc": "1952-01-14T10:05:35Z", "ms": -566920464727.6503 } }, "kaala": "sunset-day", "days": [ { "local_date": "1952-01-14", "window": { "start": { "local": "1952-01-13T17:55:56+08:00", "utc": "1952-01-13T09:55:56Z", "ms": -567007444173.1598 }, "end": { "local": "1952-01-14T17:56:53+08:00", "utc": "1952-01-14T09:56:53Z", "ms": -566920987088.8492 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1952-01-15", "window": { "start": { "local": "1952-01-14T17:56:53+08:00", "utc": "1952-01-14T09:56:53Z", "ms": -566920987088.8492 }, "end": { "local": "1952-01-15T17:57:51+08:00", "utc": "1952-01-15T09:57:51Z", "ms": -566834529326.3475 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1952-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 18:06 on Mon 14 Jan.", "fact": "1952-01-14T10:05:35Z · 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 522 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Tuesday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Qingyang, 1952: Monday 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": "1952-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1952-01-13", "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": "1952-01-13", "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 1952 falls on Monday 14 January. It is kept the day before Pongal, which falls on Tuesday 15 January. The Sun enters Makara at 18:06 on Mon 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/1952/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/1952/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21265, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1952-01-14T18:05:35+08:00", "utc": "1952-01-14T10:05:35Z", "ms": -566920464727.6503 }, "end": { "local": "1952-02-13T07:04:39+08:00", "utc": "1952-02-12T23:04:39Z", "ms": -564368121016.4778 } }, "span": { "of": "transit", "start": { "local": "1952-01-14T18:05:35+08:00", "utc": "1952-01-14T10:05:35Z", "ms": -566920464727.6503 }, "end": { "local": "1952-01-14T18:05:35+08:00", "utc": "1952-01-14T10:05:35Z", "ms": -566920464727.6503 } }, "kaala": "civil-day", "days": [ { "local_date": "1952-01-14", "window": { "start": { "local": "1952-01-14T00:00:00+08:00", "utc": "1952-01-13T16:00:00Z", "ms": -566985600000 }, "end": { "local": "1952-01-15T00:00:00+08:00", "utc": "1952-01-14T16:00:00Z", "ms": -566899200000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "1952-01-15", "window": { "start": { "local": "1952-01-15T00:00:00+08:00", "utc": "1952-01-14T16:00:00Z", "ms": -566899200000 }, "end": { "local": "1952-01-16T00:00:00+08:00", "utc": "1952-01-15T16:00:00Z", "ms": -566812800000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 18:06 on Mon 14 Jan.", "fact": "1952-01-14T10:05:35Z · 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 21265 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Qingyang, 1952: Monday 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": "1952-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1952-01-14", "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": "1952-01-15", "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 1952 falls on Monday 14 January. The Sun enters Makara at 18:06 on Mon 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/1952/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/1952/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 522, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1952-01-14T18:05:35+08:00", "utc": "1952-01-14T10:05:35Z", "ms": -566920464727.6503 }, "end": { "local": "1952-02-13T07:04:39+08:00", "utc": "1952-02-12T23:04:39Z", "ms": -564368121016.4778 } }, "span": { "of": "transit", "start": { "local": "1952-01-14T18:05:35+08:00", "utc": "1952-01-14T10:05:35Z", "ms": -566920464727.6503 }, "end": { "local": "1952-01-14T18:05:35+08:00", "utc": "1952-01-14T10:05:35Z", "ms": -566920464727.6503 } }, "kaala": "sunset-day", "days": [ { "local_date": "1952-01-14", "window": { "start": { "local": "1952-01-13T17:55:56+08:00", "utc": "1952-01-13T09:55:56Z", "ms": -567007444173.1598 }, "end": { "local": "1952-01-14T17:56:53+08:00", "utc": "1952-01-14T09:56:53Z", "ms": -566920987088.8492 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1952-01-15", "window": { "start": { "local": "1952-01-14T17:56:53+08:00", "utc": "1952-01-14T09:56:53Z", "ms": -566920987088.8492 }, "end": { "local": "1952-01-15T17:57:51+08:00", "utc": "1952-01-15T09:57:51Z", "ms": -566834529326.3475 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 18:06 on Mon 14 Jan.", "fact": "1952-01-14T10:05:35Z · 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 522 s" }, { "step": "ruling", "text": "Pongal, Qingyang, 1952: Tuesday 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": "1952-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1952-01-14", "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": "1952-01-14", "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 1952 falls on Tuesday 15 January. The Sun enters Makara at 18:06 on Mon 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/1952/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/1952/sankashta-chaturthi?on=1952-01-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-15", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 853, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-01-15T20:38:20+08:00", "utc": "1952-01-15T12:38:20Z", "ms": -566824900125.6346 }, "end": { "local": "1952-01-16T22:48:53+08:00", "utc": "1952-01-16T14:48:53Z", "ms": -566730667468.4962 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-01-15T20:38:20+08:00", "utc": "1952-01-15T12:38:20Z", "ms": -566824900125.6346 }, "end": { "local": "1952-01-16T22:48:53+08:00", "utc": "1952-01-16T14:48:53Z", "ms": -566730667468.4962 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-01-15", "window": { "start": { "local": "1952-01-15T20:52:33+08:00", "utc": "1952-01-15T12:52:33Z", "ms": -566824047298.5171 }, "end": { "local": "1952-01-15T20:52:33+08:00", "utc": "1952-01-15T12:52:33Z", "ms": -566824047298.5171 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-01-16", "window": { "start": { "local": "1952-01-16T21:50:32+08:00", "utc": "1952-01-16T13:50:32Z", "ms": -566734168190.3333 }, "end": { "local": "1952-01-16T21:50:32+08:00", "utc": "1952-01-16T13:50:32Z", "ms": -566734168190.3333 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:38 on Tue 15 Jan to 22:49 on Wed 16 Jan.", "fact": "1952-01-15T12:38:20Z → 1952-01-16T14:48:53Z" }, { "step": "kaala", "text": "Moonrise is at 20:53 on the 15th and 21:51 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 15th and is on the 16th.", "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 853 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1952: Tuesday 15 January.", "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": "1952-01-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-15", "confidence": "boundary" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1952 falls on Tuesday 15 January. Caturthī runs from 20:38 on Tue 15 Jan to 22:49 on Wed 16 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/sankashta-chaturthi?on=1952-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 522, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1952-01-14T18:05:35+08:00", "utc": "1952-01-14T10:05:35Z", "ms": -566920464727.6503 }, "end": { "local": "1952-02-13T07:04:39+08:00", "utc": "1952-02-12T23:04:39Z", "ms": -564368121016.4778 } }, "span": { "of": "transit", "start": { "local": "1952-01-14T18:05:35+08:00", "utc": "1952-01-14T10:05:35Z", "ms": -566920464727.6503 }, "end": { "local": "1952-01-14T18:05:35+08:00", "utc": "1952-01-14T10:05:35Z", "ms": -566920464727.6503 } }, "kaala": "sunset-day", "days": [ { "local_date": "1952-01-14", "window": { "start": { "local": "1952-01-13T17:55:56+08:00", "utc": "1952-01-13T09:55:56Z", "ms": -567007444173.1598 }, "end": { "local": "1952-01-14T17:56:53+08:00", "utc": "1952-01-14T09:56:53Z", "ms": -566920987088.8492 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1952-01-15", "window": { "start": { "local": "1952-01-14T17:56:53+08:00", "utc": "1952-01-14T09:56:53Z", "ms": -566920987088.8492 }, "end": { "local": "1952-01-15T17:57:51+08:00", "utc": "1952-01-15T09:57:51Z", "ms": -566834529326.3475 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1952-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 18:06 on Mon 14 Jan.", "fact": "1952-01-14T10:05:35Z · 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 522 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Tuesday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Qingyang, 1952: Wednesday 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": "1952-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1952-01-15", "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": "1952-01-15", "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 1952 falls on Wednesday 16 January. It is kept the day after Pongal, which falls on Tuesday 15 January. The Sun enters Makara at 18:06 on Mon 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/1952/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/1952/ekadashi?on=1952-01-23", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32304, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-01-22T22:58:11+08:00", "utc": "1952-01-22T14:58:11Z", "ms": -566211709112.0181 }, "end": { "local": "1952-01-23T20:26:57+08:00", "utc": "1952-01-23T12:26:57Z", "ms": -566134382903.4344 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-01-22T22:58:11+08:00", "utc": "1952-01-22T14:58:11Z", "ms": -566211709112.0181 }, "end": { "local": "1952-01-23T20:26:57+08:00", "utc": "1952-01-23T12:26:57Z", "ms": -566134382903.4344 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-01-23", "window": { "start": { "local": "1952-01-23T07:56:34+08:00", "utc": "1952-01-22T23:56:34Z", "ms": -566179405611.4745 }, "end": { "local": "1952-01-23T07:56:34+08:00", "utc": "1952-01-22T23:56:34Z", "ms": -566179405611.4745 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-01-24", "window": { "start": { "local": "1952-01-24T07:56:05+08:00", "utc": "1952-01-23T23:56:05Z", "ms": -566093035428.5992 }, "end": { "local": "1952-01-24T07:56:05+08:00", "utc": "1952-01-23T23:56:05Z", "ms": -566093035428.5992 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:58 on Tue 22 Jan to 20:27 on Wed 23 Jan.", "fact": "1952-01-22T14:58:11Z → 1952-01-23T12:26:57Z" }, { "step": "kaala", "text": "Sunrise is at 07:57 on the 23rd and 07:56 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 32304 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Qingyang, 1952: Wednesday 23 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": "1952-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-23", "confidence": "determinate" } ], "quote": "In Qingyang, Ṣaṭtilā Ekādaśī 1952 falls on Wednesday 23 January. Ekādaśī runs from 22:58 on Tue 22 Jan to 20:27 on Wed 23 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-01-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-01-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2654, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-01-24T17:22:40+08:00", "utc": "1952-01-24T09:22:40Z", "ms": -566059039910.7515 }, "end": { "local": "1952-01-25T13:54:22+08:00", "utc": "1952-01-25T05:54:22Z", "ms": -565985138432.948 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-01-24T17:22:40+08:00", "utc": "1952-01-24T09:22:40Z", "ms": -566059039910.7515 }, "end": { "local": "1952-01-25T13:54:22+08:00", "utc": "1952-01-25T05:54:22Z", "ms": -565985138432.948 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-01-24", "window": { "start": { "local": "1952-01-24T18:06:54+08:00", "utc": "1952-01-24T10:06:54Z", "ms": -566056386048.6012 }, "end": { "local": "1952-01-24T19:57:23+08:00", "utc": "1952-01-24T11:57:23Z", "ms": -566049756847.1636 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "1952-01-25", "window": { "start": { "local": "1952-01-25T18:07:56+08:00", "utc": "1952-01-25T10:07:56Z", "ms": -565969923872.6974 }, "end": { "local": "1952-01-25T19:58:13+08:00", "utc": "1952-01-25T11:58:13Z", "ms": -565963307412.4783 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:23 on Thu 24 Jan to 13:54 on Fri 25 Jan.", "fact": "1952-01-24T09:22:40Z → 1952-01-25T05:54:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:57 on the 24th, 18:08–19:58 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 110 of 110 minutes on the 24th and 0 of 110 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 2654 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1952: Thursday 24 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": "1952-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-24", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1952 falls on Thursday 24 January. Trayodaśī runs from 17:23 on Thu 24 Jan to 13:54 on Fri 25 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-01-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/shivaratri?on=1952-01-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31596, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-01-25T13:54:22+08:00", "utc": "1952-01-25T05:54:22Z", "ms": -565985138432.948 }, "end": { "local": "1952-01-26T10:12:04+08:00", "utc": "1952-01-26T02:12:04Z", "ms": -565912076206.7299 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-01-25T13:54:22+08:00", "utc": "1952-01-25T05:54:22Z", "ms": -565985138432.948 }, "end": { "local": "1952-01-26T10:12:04+08:00", "utc": "1952-01-26T02:12:04Z", "ms": -565912076206.7299 } }, "kaala": "nishita", "days": [ { "local_date": "1952-01-24", "window": { "start": { "local": "1952-01-25T00:37:13+08:00", "utc": "1952-01-24T16:37:13Z", "ms": -566032966543.2101 }, "end": { "local": "1952-01-25T01:25:13+08:00", "utc": "1952-01-24T17:25:13Z", "ms": -566030086543.2101 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-01-25", "window": { "start": { "local": "1952-01-26T00:37:28+08:00", "utc": "1952-01-25T16:37:28Z", "ms": -565946552146.8759 }, "end": { "local": "1952-01-26T01:25:28+08:00", "utc": "1952-01-25T17:25:28Z", "ms": -565943672146.8759 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:54 on Fri 25 Jan to 10:12 on Sat 26 Jan.", "fact": "1952-01-25T05:54:22Z → 1952-01-26T02:12:04Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:37–01:25 on the 24th, 00:37–01:25 on the 25th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31596 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1952: Friday 25 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": "1952-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-25", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1952 falls on Friday 25 January. Caturdaśī runs from 13:54 on Fri 25 Jan to 10:12 on Sat 26 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/shivaratri?on=1952-01-25", "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/1952/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8224, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-01-25T13:54:22+08:00", "utc": "1952-01-25T05:54:22Z", "ms": -565985138432.948 }, "end": { "local": "1952-01-26T10:12:04+08:00", "utc": "1952-01-26T02:12:04Z", "ms": -565912076206.7299 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-01-25T13:54:22+08:00", "utc": "1952-01-25T05:54:22Z", "ms": -565985138432.948 }, "end": { "local": "1952-01-26T10:12:04+08:00", "utc": "1952-01-26T02:12:04Z", "ms": -565912076206.7299 } }, "kaala": "arunodaya", "days": [ { "local_date": "1952-01-25", "window": { "start": { "local": "1952-01-25T06:05:04+08:00", "utc": "1952-01-24T22:05:04Z", "ms": -566013296239.2566 }, "end": { "local": "1952-01-25T07:55:33+08:00", "utc": "1952-01-24T23:55:33Z", "ms": -566006667037.819 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "1952-01-26", "window": { "start": { "local": "1952-01-26T06:04:43+08:00", "utc": "1952-01-25T22:04:43Z", "ms": -565926916881.2734 }, "end": { "local": "1952-01-26T07:55:00+08:00", "utc": "1952-01-25T23:55:00Z", "ms": -565920300421.0543 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:54 on Fri 25 Jan to 10:12 on Sat 26 Jan.", "fact": "1952-01-25T05:54:22Z → 1952-01-26T02:12:04Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:05–07:56 on the 25th, 06:05–07:55 on the 26th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 110 minutes on the 25th and 110 of 110 on the 26th.", "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 8224 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Qingyang, 1952: Saturday 26 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": "1952-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-26", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Tarpaṇa 1952 falls on Saturday 26 January. Caturdaśī runs from 13:54 on Fri 25 Jan to 10:12 on Sat 26 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17215, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-01-29T20:32:24+08:00", "utc": "1952-01-29T12:32:24Z", "ms": -565615655916.6664 }, "end": { "local": "1952-01-30T18:13:44+08:00", "utc": "1952-01-30T10:13:44Z", "ms": -565537575871.408 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-01-29T20:32:24+08:00", "utc": "1952-01-29T12:32:24Z", "ms": -565615655916.6664 }, "end": { "local": "1952-01-30T18:13:44+08:00", "utc": "1952-01-30T10:13:44Z", "ms": -565537575871.408 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-01-29", "window": { "start": { "local": "1952-01-29T12:38:38+08:00", "utc": "1952-01-29T04:38:38Z", "ms": -565644082318.979 }, "end": { "local": "1952-01-29T13:26:38+08:00", "utc": "1952-01-29T05:26:38Z", "ms": -565641202318.979 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-01-30", "window": { "start": { "local": "1952-01-30T12:38:49+08:00", "utc": "1952-01-30T04:38:49Z", "ms": -565557671090.4541 }, "end": { "local": "1952-01-30T13:26:49+08:00", "utc": "1952-01-30T05:26:49Z", "ms": -565554791090.4541 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:32 on Tue 29 Jan to 18:14 on Wed 30 Jan.", "fact": "1952-01-29T12:32:24Z → 1952-01-30T10:13:44Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17215 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Qingyang, 1952: Wednesday 30 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": "1952-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-30", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1952 falls on Wednesday 30 January. Caturthī runs from 20:32 on Tue 29 Jan to 18:14 on Wed 30 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-30", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 35, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-01-29T20:32:24+08:00", "utc": "1952-01-29T12:32:24Z", "ms": -565615655916.6664 }, "end": { "local": "1952-01-30T18:13:44+08:00", "utc": "1952-01-30T10:13:44Z", "ms": -565537575871.408 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-01-29T20:32:24+08:00", "utc": "1952-01-29T12:32:24Z", "ms": -565615655916.6664 }, "end": { "local": "1952-01-30T18:13:44+08:00", "utc": "1952-01-30T10:13:44Z", "ms": -565537575871.408 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-01-29", "window": { "start": { "local": "1952-01-29T18:12:06+08:00", "utc": "1952-01-29T10:12:06Z", "ms": -565624073605.9714 }, "end": { "local": "1952-01-29T20:01:29+08:00", "utc": "1952-01-29T12:01:29Z", "ms": -565617510635.0304 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "1952-01-30", "window": { "start": { "local": "1952-01-30T18:13:09+08:00", "utc": "1952-01-30T10:13:09Z", "ms": -565537610856.9941 }, "end": { "local": "1952-01-30T20:02:18+08:00", "utc": "1952-01-30T12:02:18Z", "ms": -565531061848.0096 } }, "covered_min": 1, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:32 on Tue 29 Jan to 18:14 on Wed 30 Jan.", "fact": "1952-01-29T12:32:24Z → 1952-01-30T10:13:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:12–20:01 on the 29th, 18:13–20:02 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 109 minutes on the 29th and 1 of 109 on the 30th.", "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 35 s < 300 s" }, { "step": "ruling", "text": "Tila Caturthī, Qingyang, 1952: Wednesday 30 January.", "fact": "confidence: boundary (margin)" } ], "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": "1952-01-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-29", "confidence": "boundary" } ], "quote": "In Qingyang, Tila Caturthī 1952 falls on Wednesday 30 January. Caturthī runs from 20:32 on Tue 29 Jan to 18:14 on Wed 30 Jan and covers 1 of 109 minutes of pradoṣa that evening. It is 0 min 35 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11414, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1952-01-30T18:13:44+08:00", "utc": "1952-01-30T10:13:44Z", "ms": -565537575871.408 }, "end": { "local": "1952-01-31T16:37:13+08:00", "utc": "1952-01-31T08:37:13Z", "ms": -565456966656.2134 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-01-30T18:13:44+08:00", "utc": "1952-01-30T10:13:44Z", "ms": -565537575871.408 }, "end": { "local": "1952-01-31T16:37:13+08:00", "utc": "1952-01-31T08:37:13Z", "ms": -565456966656.2134 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-01-30", "window": { "start": { "local": "1952-01-30T12:38:49+08:00", "utc": "1952-01-30T04:38:49Z", "ms": -565557671090.4541 }, "end": { "local": "1952-01-30T13:26:49+08:00", "utc": "1952-01-30T05:26:49Z", "ms": -565554791090.4541 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-01-31", "window": { "start": { "local": "1952-01-31T12:38:59+08:00", "utc": "1952-01-31T04:38:59Z", "ms": -565471260699.8357 }, "end": { "local": "1952-01-31T13:26:59+08:00", "utc": "1952-01-31T05:26:59Z", "ms": -565468380699.8357 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:14 on Wed 30 Jan to 16:37 on Thu 31 Jan.", "fact": "1952-01-30T10:13:44Z → 1952-01-31T08:37:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 30th, 12:39–13:27 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11414 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Qingyang, 1952: Thursday 31 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": "1952-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-31", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Pañcamī 1952 falls on Thursday 31 January. Pañcamī runs from 18:14 on Wed 30 Jan to 16:37 on Thu 31 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11414, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1952-01-30T18:13:44+08:00", "utc": "1952-01-30T10:13:44Z", "ms": -565537575871.408 }, "end": { "local": "1952-01-31T16:37:13+08:00", "utc": "1952-01-31T08:37:13Z", "ms": -565456966656.2134 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-01-30T18:13:44+08:00", "utc": "1952-01-30T10:13:44Z", "ms": -565537575871.408 }, "end": { "local": "1952-01-31T16:37:13+08:00", "utc": "1952-01-31T08:37:13Z", "ms": -565456966656.2134 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-01-30", "window": { "start": { "local": "1952-01-30T12:38:49+08:00", "utc": "1952-01-30T04:38:49Z", "ms": -565557671090.4541 }, "end": { "local": "1952-01-30T13:26:49+08:00", "utc": "1952-01-30T05:26:49Z", "ms": -565554791090.4541 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-01-31", "window": { "start": { "local": "1952-01-31T12:38:59+08:00", "utc": "1952-01-31T04:38:59Z", "ms": -565471260699.8357 }, "end": { "local": "1952-01-31T13:26:59+08:00", "utc": "1952-01-31T05:26:59Z", "ms": -565468380699.8357 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:14 on Wed 30 Jan to 16:37 on Thu 31 Jan.", "fact": "1952-01-30T10:13:44Z → 1952-01-31T08:37:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 30th, 12:39–13:27 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11414 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Qingyang, 1952: Thursday 31 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": "1952-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-01-31", "confidence": "determinate" } ], "quote": "In Qingyang, Vasanta Pañcamī 1952 falls on Thursday 31 January. Pañcamī runs from 18:14 on Wed 30 Jan to 16:37 on Thu 31 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28482, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1952-02-01T15:47:11+08:00", "utc": "1952-02-01T07:47:11Z", "ms": -565373568890.6696 }, "end": { "local": "1952-02-02T15:45:00+08:00", "utc": "1952-02-02T07:45:00Z", "ms": -565287300004.7466 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-02-01T15:47:11+08:00", "utc": "1952-02-01T07:47:11Z", "ms": -565373568890.6696 }, "end": { "local": "1952-02-02T15:45:00+08:00", "utc": "1952-02-02T07:45:00Z", "ms": -565287300004.7466 } }, "kaala": "arunodaya", "days": [ { "local_date": "1952-02-01", "window": { "start": { "local": "1952-02-01T06:02:08+08:00", "utc": "1952-01-31T22:02:08Z", "ms": -565408671731.25 }, "end": { "local": "1952-02-01T07:51:03+08:00", "utc": "1952-01-31T23:51:03Z", "ms": -565402136903.7406 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "1952-02-02", "window": { "start": { "local": "1952-02-02T06:01:37+08:00", "utc": "1952-02-01T22:01:37Z", "ms": -565322302573.6688 }, "end": { "local": "1952-02-02T07:50:18+08:00", "utc": "1952-02-01T23:50:18Z", "ms": -565315782139.153 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 15:47 on Fri 1 Feb to 15:45 on Sat 2 Feb.", "fact": "1952-02-01T07:47:11Z → 1952-02-02T07:45:00Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:02–07:51 on the 1st, 06:02–07:50 on the 2nd.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 0 of 109 minutes on the 1st and 109 of 109 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28482 s" }, { "step": "ruling", "text": "Ratha Saptamī, Qingyang, 1952: Saturday 2 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-02-02", "confidence": "determinate" } ], "quote": "In Qingyang, Ratha Saptamī 1952 falls on Saturday 2 February. Saptamī runs from 15:47 on Fri 1 Feb to 15:45 on Sat 2 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-02-06", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34461, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-02-05T19:50:45+08:00", "utc": "1952-02-05T11:50:45Z", "ms": -565013355396.8536 }, "end": { "local": "1952-02-06T22:11:48+08:00", "utc": "1952-02-06T14:11:48Z", "ms": -564918492119.2164 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-02-05T19:50:45+08:00", "utc": "1952-02-05T11:50:45Z", "ms": -565013355396.8536 }, "end": { "local": "1952-02-06T22:11:48+08:00", "utc": "1952-02-06T14:11:48Z", "ms": -564918492119.2164 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-02-06", "window": { "start": { "local": "1952-02-06T07:47:01+08:00", "utc": "1952-02-05T23:47:01Z", "ms": -564970378707.5338 }, "end": { "local": "1952-02-06T07:47:01+08:00", "utc": "1952-02-05T23:47:01Z", "ms": -564970378707.5338 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-02-07", "window": { "start": { "local": "1952-02-07T07:46:08+08:00", "utc": "1952-02-06T23:46:08Z", "ms": -564884031602.7123 }, "end": { "local": "1952-02-07T07:46:08+08:00", "utc": "1952-02-06T23:46:08Z", "ms": -564884031602.7123 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:51 on Tue 5 Feb to 22:12 on Wed 6 Feb.", "fact": "1952-02-05T11:50:45Z → 1952-02-06T14:11:48Z" }, { "step": "kaala", "text": "Sunrise is at 07:47 on the 6th and 07:46 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34461 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Qingyang, 1952: Wednesday 6 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-02-06", "confidence": "determinate" } ], "quote": "In Qingyang, Jayā Ekādaśī 1952 falls on Wednesday 6 February. Ekādaśī runs from 19:51 on Tue 5 Feb to 22:12 on Wed 6 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-02-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31444, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1952-02-06T22:11:48+08:00", "utc": "1952-02-06T14:11:48Z", "ms": -564918492119.2164 }, "end": { "local": "1952-02-08T00:46:37+08:00", "utc": "1952-02-07T16:46:37Z", "ms": -564822803364.4241 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-02-06T22:11:48+08:00", "utc": "1952-02-06T14:11:48Z", "ms": -564918492119.2164 }, "end": { "local": "1952-02-08T00:46:37+08:00", "utc": "1952-02-07T16:46:37Z", "ms": -564822803364.4241 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-02-06", "window": { "start": { "local": "1952-02-06T12:39:44+08:00", "utc": "1952-02-06T04:39:44Z", "ms": -564952816023.9048 }, "end": { "local": "1952-02-06T13:27:44+08:00", "utc": "1952-02-06T05:27:44Z", "ms": -564949936023.9048 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-02-07", "window": { "start": { "local": "1952-02-07T12:39:49+08:00", "utc": "1952-02-07T04:39:49Z", "ms": -564866411498.3717 }, "end": { "local": "1952-02-07T13:27:49+08:00", "utc": "1952-02-07T05:27:49Z", "ms": -564863531498.3717 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:12 on Wed 6 Feb to 00:47 on Fri 8 Feb.", "fact": "1952-02-06T14:11:48Z → 1952-02-07T16:46:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 6th, 12:40–13:28 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31444 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Qingyang, 1952: Thursday 7 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-02-07", "confidence": "determinate" } ], "quote": "In Qingyang, Bhīṣma Dvādaśī 1952 falls on Thursday 7 February. Dvādaśī runs from 22:12 on Wed 6 Feb to 00:47 on Fri 8 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/pradosha-vrata?on=1952-02-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16678, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-02-08T00:46:37+08:00", "utc": "1952-02-07T16:46:37Z", "ms": -564822803364.4241 }, "end": { "local": "1952-02-09T03:26:00+08:00", "utc": "1952-02-08T19:26:00Z", "ms": -564726839907.989 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-02-08T00:46:37+08:00", "utc": "1952-02-07T16:46:37Z", "ms": -564822803364.4241 }, "end": { "local": "1952-02-09T03:26:00+08:00", "utc": "1952-02-08T19:26:00Z", "ms": -564726839907.989 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-02-07", "window": { "start": { "local": "1952-02-07T18:21:29+08:00", "utc": "1952-02-07T10:21:29Z", "ms": -564845911394.0311 }, "end": { "local": "1952-02-07T20:08:39+08:00", "utc": "1952-02-07T12:08:39Z", "ms": -564839481332.9275 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1952-02-08", "window": { "start": { "local": "1952-02-08T18:22:30+08:00", "utc": "1952-02-08T10:22:30Z", "ms": -564759449648.3619 }, "end": { "local": "1952-02-08T20:09:25+08:00", "utc": "1952-02-08T12:09:25Z", "ms": -564753035251.8203 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:47 on Fri 8 Feb to 03:26 on Sat 9 Feb.", "fact": "1952-02-07T16:46:37Z → 1952-02-08T19:26:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:21–20:09 on the 7th, 18:23–20:09 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 7th and 107 of 107 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16678 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1952: Friday 8 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": "1952-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-02-08", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1952 falls on Friday 8 February. Trayodaśī runs from 00:47 on Fri 8 Feb to 03:26 on Sat 9 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-02-08", "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/1952/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15108, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-02-10T06:02:02+08:00", "utc": "1952-02-09T22:02:02Z", "ms": -564631077756.2987 }, "end": { "local": "1952-02-11T08:28:10+08:00", "utc": "1952-02-11T00:28:10Z", "ms": -564535909747.0443 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1952-02-10T06:02:02+08:00", "utc": "1952-02-09T22:02:02Z", "ms": -564631077756.2987 }, "end": { "local": "1952-02-11T08:28:10+08:00", "utc": "1952-02-11T00:28:10Z", "ms": -564535909747.0443 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-02-10", "window": { "start": { "local": "1952-02-10T12:39:57+08:00", "utc": "1952-02-10T04:39:57Z", "ms": -564607202802.642 }, "end": { "local": "1952-02-10T13:27:57+08:00", "utc": "1952-02-10T05:27:57Z", "ms": -564604322802.642 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-02-11", "window": { "start": { "local": "1952-02-11T12:39:59+08:00", "utc": "1952-02-11T04:39:59Z", "ms": -564520801499.7625 }, "end": { "local": "1952-02-11T13:27:59+08:00", "utc": "1952-02-11T05:27:59Z", "ms": -564517921499.7625 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:02 on Sun 10 Feb to 08:28 on Mon 11 Feb.", "fact": "1952-02-09T22:02:02Z → 1952-02-11T00:28:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 10th, 12:40–13:28 on the 11th.", "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 10th and 0 of 48 on the 11th.", "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 15108 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Qingyang, 1952: Sunday 10 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-02-10", "confidence": "determinate" } ], "quote": "In Qingyang, Māghī Pūrṇimā 1952 falls on Sunday 10 February. Pūrṇimā runs from 06:02 on Sun 10 Feb to 08:28 on Mon 11 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/sankashta-chaturthi?on=1952-02-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27916, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-02-14T13:56:56+08:00", "utc": "1952-02-14T05:56:56Z", "ms": -564256984489.5139 }, "end": { "local": "1952-02-15T14:56:00+08:00", "utc": "1952-02-15T06:56:00Z", "ms": -564167040468.6968 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1952-02-14T13:56:56+08:00", "utc": "1952-02-14T05:56:56Z", "ms": -564256984489.5139 }, "end": { "local": "1952-02-15T14:56:00+08:00", "utc": "1952-02-15T06:56:00Z", "ms": -564167040468.6968 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-02-14", "window": { "start": { "local": "1952-02-14T21:42:12+08:00", "utc": "1952-02-14T13:42:12Z", "ms": -564229068179.5073 }, "end": { "local": "1952-02-14T21:42:12+08:00", "utc": "1952-02-14T13:42:12Z", "ms": -564229068179.5073 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-02-15", "window": { "start": { "local": "1952-02-15T22:43:05+08:00", "utc": "1952-02-15T14:43:05Z", "ms": -564139015257.6022 }, "end": { "local": "1952-02-15T22:43:05+08:00", "utc": "1952-02-15T14:43:05Z", "ms": -564139015257.6022 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:57 on Thu 14 Feb to 14:56 on Fri 15 Feb.", "fact": "1952-02-14T05:56:56Z → 1952-02-15T06:56:00Z" }, { "step": "kaala", "text": "Moonrise is at 21:42 on the 14th and 22:43 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27916 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1952: Thursday 14 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-02-14", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1952 falls on Thursday 14 February. Caturthī runs from 13:57 on Thu 14 Feb to 14:56 on Fri 15 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/sankashta-chaturthi?on=1952-02-14", "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/1952/ekadashi?on=1952-02-21", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-02-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4456, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-02-21T09:03:53+08:00", "utc": "1952-02-21T01:03:53Z", "ms": -563669766979.0223 }, "end": { "local": "1952-02-22T06:16:05+08:00", "utc": "1952-02-21T22:16:05Z", "ms": -563593435111.6741 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1952-02-21T09:03:53+08:00", "utc": "1952-02-21T01:03:53Z", "ms": -563669766979.0223 }, "end": { "local": "1952-02-22T06:16:05+08:00", "utc": "1952-02-21T22:16:05Z", "ms": -563593435111.6741 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-02-21", "window": { "start": { "local": "1952-02-21T07:31:32+08:00", "utc": "1952-02-20T23:31:32Z", "ms": -563675308148.9902 }, "end": { "local": "1952-02-21T07:31:32+08:00", "utc": "1952-02-20T23:31:32Z", "ms": -563675308148.9902 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-02-22", "window": { "start": { "local": "1952-02-22T07:30:21+08:00", "utc": "1952-02-21T23:30:21Z", "ms": -563588979152.1262 }, "end": { "local": "1952-02-22T07:30:21+08:00", "utc": "1952-02-21T23:30:21Z", "ms": -563588979152.1262 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:04 on Thu 21 Feb to 06:16 on Fri 22 Feb.", "fact": "1952-02-21T01:03:53Z → 1952-02-21T22:16:05Z" }, { "step": "kaala", "text": "Sunrise is at 07:32 on the 21st and 07:30 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 not on the 22nd.", "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 4456 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Qingyang, 1952: Thursday 21 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": "1952-02-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-02-21", "confidence": "determinate" } ], "quote": "In Qingyang, Vijayā Ekādaśī 1952 falls on Thursday 21 February. Ekādaśī runs from 09:04 on Thu 21 Feb to 06:16 on Fri 22 Feb, and is current at sunrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-02-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2842, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-02-23T23:51:19+08:00", "utc": "1952-02-23T15:51:19Z", "ms": -563443721333.5472 }, "end": { "local": "1952-02-24T20:30:30+08:00", "utc": "1952-02-24T12:30:30Z", "ms": -563369369578.4559 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1952-02-23T23:51:19+08:00", "utc": "1952-02-23T15:51:19Z", "ms": -563443721333.5472 }, "end": { "local": "1952-02-24T20:30:30+08:00", "utc": "1952-02-24T12:30:30Z", "ms": -563369369578.4559 } }, "kaala": "nishita", "days": [ { "local_date": "1952-02-23", "window": { "start": { "local": "1952-02-24T00:38:41+08:00", "utc": "1952-02-23T16:38:41Z", "ms": -563440879350.7495 }, "end": { "local": "1952-02-24T01:26:41+08:00", "utc": "1952-02-23T17:26:41Z", "ms": -563437999350.7495 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-02-24", "window": { "start": { "local": "1952-02-25T00:38:32+08:00", "utc": "1952-02-24T16:38:32Z", "ms": -563354487592.5809 }, "end": { "local": "1952-02-25T01:26:32+08:00", "utc": "1952-02-24T17:26:32Z", "ms": -563351607592.5809 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:51 on Sat 23 Feb to 20:31 on Sun 24 Feb.", "fact": "1952-02-23T15:51:19Z → 1952-02-24T12:30:30Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:39–01:27 on the 23rd, 00:39–01:27 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 2842 s" }, { "step": "ruling", "text": "Mahāśivarātri, Qingyang, 1952: Saturday 23 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": "1952-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-02-23", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāśivarātri 1952 falls on Saturday 23 February. Caturdaśī runs from 23:51 on Sat 23 Feb to 20:31 on Sun 24 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/pradosha-vrata?on=1952-02-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12669, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-02-23T03:09:20+08:00", "utc": "1952-02-22T19:09:20Z", "ms": -563518239943.6749 }, "end": { "local": "1952-02-23T23:51:19+08:00", "utc": "1952-02-23T15:51:19Z", "ms": -563443721333.5472 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1952-02-23T03:09:20+08:00", "utc": "1952-02-22T19:09:20Z", "ms": -563518239943.6749 }, "end": { "local": "1952-02-23T23:51:19+08:00", "utc": "1952-02-23T15:51:19Z", "ms": -563443721333.5472 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-02-22", "window": { "start": { "local": "1952-02-22T18:36:28+08:00", "utc": "1952-02-22T10:36:28Z", "ms": -563549012331.3597 }, "end": { "local": "1952-02-22T20:19:29+08:00", "utc": "1952-02-22T12:19:29Z", "ms": -563542830834.0507 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1952-02-23", "window": { "start": { "local": "1952-02-23T18:37:25+08:00", "utc": "1952-02-23T10:37:25Z", "ms": -563462554734.1249 }, "end": { "local": "1952-02-23T20:20:09+08:00", "utc": "1952-02-23T12:20:09Z", "ms": -563456390631.8915 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:09 on Sat 23 Feb to 23:51 on Sat 23 Feb.", "fact": "1952-02-22T19:09:20Z → 1952-02-23T15:51:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:19 on the 22nd, 18:37–20:20 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 22nd and 103 of 103 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12669 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1952: Saturday 23 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": "1952-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-02-23", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1952 falls on Saturday 23 February. Trayodaśī runs from 03:09 on Sat 23 Feb to 23:51 on Sat 23 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-02-23", "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/1952/vinayaka-chaturthi?on=1952-02-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-02-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10642, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-02-28T09:41:10+08:00", "utc": "1952-02-28T01:41:10Z", "ms": -563062729716.8875 }, "end": { "local": "1952-02-29T08:20:19+08:00", "utc": "1952-02-29T00:20:19Z", "ms": -562981181291.9196 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1952-02-28T09:41:10+08:00", "utc": "1952-02-28T01:41:10Z", "ms": -563062729716.8875 }, "end": { "local": "1952-02-29T08:20:19+08:00", "utc": "1952-02-29T00:20:19Z", "ms": -562981181291.9196 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-02-28", "window": { "start": { "local": "1952-02-28T12:38:32+08:00", "utc": "1952-02-28T04:38:32Z", "ms": -563052087898.4004 }, "end": { "local": "1952-02-28T13:26:32+08:00", "utc": "1952-02-28T05:26:32Z", "ms": -563049207898.4004 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-02-29", "window": { "start": { "local": "1952-02-29T12:38:21+08:00", "utc": "1952-02-29T04:38:21Z", "ms": -562965698628.0366 }, "end": { "local": "1952-02-29T13:26:21+08:00", "utc": "1952-02-29T05:26:21Z", "ms": -562962818628.0366 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:41 on Thu 28 Feb to 08:20 on Fri 29 Feb.", "fact": "1952-02-28T01:41:10Z → 1952-02-29T00:20:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 28th, 12:38–13:26 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10642 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1952: Thursday 28 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-02-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-02-28", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1952 falls on Thursday 28 February. Caturthī runs from 09:41 on Thu 28 Feb to 08:20 on Fri 29 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/vinayaka-chaturthi?on=1952-02-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/ekadashi?on=1952-03-07", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29385, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-03-06T15:23:28+08:00", "utc": "1952-03-06T07:23:28Z", "ms": -562437392317.9457 }, "end": { "local": "1952-03-07T18:02:32+08:00", "utc": "1952-03-07T10:02:32Z", "ms": -562341447964.6245 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1952-03-06T15:23:28+08:00", "utc": "1952-03-06T07:23:28Z", "ms": -562437392317.9457 }, "end": { "local": "1952-03-07T18:02:32+08:00", "utc": "1952-03-07T10:02:32Z", "ms": -562341447964.6245 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-03-06", "window": { "start": { "local": "1952-03-06T07:13:42+08:00", "utc": "1952-03-05T23:13:42Z", "ms": -562466777644.587 }, "end": { "local": "1952-03-06T07:13:42+08:00", "utc": "1952-03-05T23:13:42Z", "ms": -562466777644.587 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-03-07", "window": { "start": { "local": "1952-03-07T07:12:21+08:00", "utc": "1952-03-06T23:12:21Z", "ms": -562380459200.8665 }, "end": { "local": "1952-03-07T07:12:21+08:00", "utc": "1952-03-06T23:12:21Z", "ms": -562380459200.8665 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:23 on Thu 6 Mar to 18:03 on Fri 7 Mar.", "fact": "1952-03-06T07:23:28Z → 1952-03-07T10:02:32Z" }, { "step": "kaala", "text": "Sunrise is at 07:14 on the 6th and 07:12 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 29385 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Qingyang, 1952: Friday 7 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": "1952-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-07", "confidence": "determinate" } ], "quote": "In Qingyang, Āmalakī Ekādaśī 1952 falls on Friday 7 March. Ekādaśī runs from 15:23 on Thu 6 Mar to 18:03 on Fri 7 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-03-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-03-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 419, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-03-08T20:35:50+08:00", "utc": "1952-03-08T12:35:50Z", "ms": -562245849794.9266 }, "end": { "local": "1952-03-09T22:53:10+08:00", "utc": "1952-03-09T14:53:10Z", "ms": -562151209532.2198 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1952-03-08T20:35:50+08:00", "utc": "1952-03-08T12:35:50Z", "ms": -562245849794.9266 }, "end": { "local": "1952-03-09T22:53:10+08:00", "utc": "1952-03-09T14:53:10Z", "ms": -562151209532.2198 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-03-08", "window": { "start": { "local": "1952-03-08T18:50:16+08:00", "utc": "1952-03-08T10:50:16Z", "ms": -562252183797.2144 }, "end": { "local": "1952-03-08T20:28:51+08:00", "utc": "1952-03-08T12:28:51Z", "ms": -562246269137.0741 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1952-03-09", "window": { "start": { "local": "1952-03-09T18:51:09+08:00", "utc": "1952-03-09T10:51:09Z", "ms": -562165731138.1942 }, "end": { "local": "1952-03-09T20:29:25+08:00", "utc": "1952-03-09T12:29:25Z", "ms": -562159834569.2831 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:36 on Sat 8 Mar to 22:53 on Sun 9 Mar.", "fact": "1952-03-08T12:35:50Z → 1952-03-09T14:53:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:50–20:29 on the 8th, 18:51–20:29 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 99 minutes on the 8th and 98 of 98 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 419 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1952: Sunday 9 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-09", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1952 falls on Sunday 9 March. Trayodaśī runs from 20:36 on Sat 8 Mar to 22:53 on Sun 9 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21317, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-03-11T00:47:18+08:00", "utc": "1952-03-10T16:47:18Z", "ms": -562057962227.7178 }, "end": { "local": "1952-03-12T02:13:56+08:00", "utc": "1952-03-11T18:13:56Z", "ms": -561966364270.0634 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1952-03-11T00:47:18+08:00", "utc": "1952-03-10T16:47:18Z", "ms": -562057962227.7178 }, "end": { "local": "1952-03-12T02:13:56+08:00", "utc": "1952-03-11T18:13:56Z", "ms": -561966364270.0634 } }, "kaala": "sayahna", "days": [ { "local_date": "1952-03-10", "window": { "start": { "local": "1952-03-10T16:31:16+08:00", "utc": "1952-03-10T08:31:16Z", "ms": -562087724376.9248 }, "end": { "local": "1952-03-10T18:52:01+08:00", "utc": "1952-03-10T10:52:01Z", "ms": -562079278753.3159 } }, "covered_min": 0, "window_min": 141, "qualifies": false }, { "local_date": "1952-03-11", "window": { "start": { "local": "1952-03-11T16:31:41+08:00", "utc": "1952-03-11T08:31:41Z", "ms": -562001299368.1046 }, "end": { "local": "1952-03-11T18:52:53+08:00", "utc": "1952-03-11T10:52:53Z", "ms": -561992826629.646 } }, "covered_min": 141, "window_min": 141, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:47 on Tue 11 Mar to 02:14 on Wed 12 Mar.", "fact": "1952-03-10T16:47:18Z → 1952-03-11T18:13:56Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:31–18:52 on the 10th, 16:32–18:53 on the 11th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 141 minutes on the 10th and 141 of 141 on the 11th.", "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 21317 s" }, { "step": "ruling", "text": "Holikā Dahana, Qingyang, 1952: Tuesday 11 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holika-dahana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.", "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-11", "confidence": "determinate" } ], "quote": "In Qingyang, Holikā Dahana 1952 falls on Tuesday 11 March. Pūrṇimā runs from 00:47 on Tue 11 Mar to 02:14 on Wed 12 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21317, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-03-11T00:47:18+08:00", "utc": "1952-03-10T16:47:18Z", "ms": -562057962227.7178 }, "end": { "local": "1952-03-12T02:13:56+08:00", "utc": "1952-03-11T18:13:56Z", "ms": -561966364270.0634 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1952-03-11T00:47:18+08:00", "utc": "1952-03-10T16:47:18Z", "ms": -562057962227.7178 }, "end": { "local": "1952-03-12T02:13:56+08:00", "utc": "1952-03-11T18:13:56Z", "ms": -561966364270.0634 } }, "kaala": "sayahna", "days": [ { "local_date": "1952-03-10", "window": { "start": { "local": "1952-03-10T16:31:16+08:00", "utc": "1952-03-10T08:31:16Z", "ms": -562087724376.9248 }, "end": { "local": "1952-03-10T18:52:01+08:00", "utc": "1952-03-10T10:52:01Z", "ms": -562079278753.3159 } }, "covered_min": 0, "window_min": 141, "qualifies": false }, { "local_date": "1952-03-11", "window": { "start": { "local": "1952-03-11T16:31:41+08:00", "utc": "1952-03-11T08:31:41Z", "ms": -562001299368.1046 }, "end": { "local": "1952-03-11T18:52:53+08:00", "utc": "1952-03-11T10:52:53Z", "ms": -561992826629.646 } }, "covered_min": 141, "window_min": 141, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1952-03-11", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:47 on Tue 11 Mar to 02:14 on Wed 12 Mar.", "fact": "1952-03-10T16:47:18Z → 1952-03-11T18:13:56Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:31–18:52 on the 10th, 16:32–18:53 on the 11th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 141 minutes on the 10th and 141 of 141 on the 11th.", "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 21317 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Tuesday 11 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Qingyang, 1952: Wednesday 12 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holi", "follows": { "festival": "holika-dahana", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-12", "confidence": "determinate" } ], "quote": "In Qingyang, Holī 1952 falls on Wednesday 12 March. It is kept the day after Holikā Dahana, which falls on Tuesday 11 March. Pūrṇimā runs from 00:47 on Tue 11 Mar to 02:14 on Wed 12 Mar and covers all of sāyāhna on the 11th.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13963, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1952-03-12T02:13:56+08:00", "utc": "1952-03-11T18:13:56Z", "ms": -561966364270.0634 }, "end": { "local": "1952-03-13T03:11:19+08:00", "utc": "1952-03-12T19:11:19Z", "ms": -561876521367.4366 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-03-12T02:13:56+08:00", "utc": "1952-03-11T18:13:56Z", "ms": -561966364270.0634 }, "end": { "local": "1952-03-13T03:11:19+08:00", "utc": "1952-03-12T19:11:19Z", "ms": -561876521367.4366 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-03-12", "window": { "start": { "local": "1952-03-12T07:05:26+08:00", "utc": "1952-03-11T23:05:26Z", "ms": -561948874167.04 }, "end": { "local": "1952-03-12T07:05:26+08:00", "utc": "1952-03-11T23:05:26Z", "ms": -561948874167.04 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-03-13", "window": { "start": { "local": "1952-03-13T07:04:02+08:00", "utc": "1952-03-12T23:04:02Z", "ms": -561862558374.3225 }, "end": { "local": "1952-03-13T07:04:02+08:00", "utc": "1952-03-12T23:04:02Z", "ms": -561862558374.3225 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:14 on Wed 12 Mar to 03:11 on Thu 13 Mar.", "fact": "1952-03-11T18:13:56Z → 1952-03-12T19:11:19Z" }, { "step": "kaala", "text": "Sunrise is at 07:05 on the 12th and 07:04 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13963 s" }, { "step": "ruling", "text": "Vasantotsava, Qingyang, 1952: Wednesday 12 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": "1952-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-12", "confidence": "determinate" } ], "quote": "In Qingyang, Vasantotsava 1952 falls on Wednesday 12 March. Pratipadā runs from 02:14 on Wed 12 Mar to 03:11 on Thu 13 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/sankashta-chaturthi?on=1952-03-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16082, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-03-15T03:39:38+08:00", "utc": "1952-03-14T19:39:38Z", "ms": -561702022186.9927 }, "end": { "local": "1952-03-16T03:13:24+08:00", "utc": "1952-03-15T19:13:24Z", "ms": -561617196132.7522 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-03-15T03:39:38+08:00", "utc": "1952-03-14T19:39:38Z", "ms": -561702022186.9927 }, "end": { "local": "1952-03-16T03:13:24+08:00", "utc": "1952-03-15T19:13:24Z", "ms": -561617196132.7522 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-03-14", "window": { "start": { "local": "1952-03-14T21:39:11+08:00", "utc": "1952-03-14T13:39:11Z", "ms": -561723648706.8917 }, "end": { "local": "1952-03-14T21:39:11+08:00", "utc": "1952-03-14T13:39:11Z", "ms": -561723648706.8917 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-03-15", "window": { "start": { "local": "1952-03-15T22:45:22+08:00", "utc": "1952-03-15T14:45:22Z", "ms": -561633278068.9714 }, "end": { "local": "1952-03-15T22:45:22+08:00", "utc": "1952-03-15T14:45:22Z", "ms": -561633278068.9714 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:40 on Sat 15 Mar to 03:13 on Sun 16 Mar.", "fact": "1952-03-14T19:39:38Z → 1952-03-15T19:13:24Z" }, { "step": "kaala", "text": "Moonrise is at 21:39 on the 14th and 22:45 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16082 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1952: Saturday 15 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-15", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1952 falls on Saturday 15 March. Caturthī runs from 03:40 on Sat 15 Mar to 03:13 on Sun 16 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/sankashta-chaturthi?on=1952-03-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29927, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1952-03-18T23:34:19+08:00", "utc": "1952-03-18T15:34:19Z", "ms": -561371141256.9083 }, "end": { "local": "1952-03-19T21:40:24+08:00", "utc": "1952-03-19T13:40:24Z", "ms": -561291576170.5276 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-03-18T23:34:19+08:00", "utc": "1952-03-18T15:34:19Z", "ms": -561371141256.9083 }, "end": { "local": "1952-03-19T21:40:24+08:00", "utc": "1952-03-19T13:40:24Z", "ms": -561291576170.5276 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-03-18", "window": { "start": { "local": "1952-03-18T12:33:54+08:00", "utc": "1952-03-18T04:33:54Z", "ms": -561410765773.2395 }, "end": { "local": "1952-03-18T13:21:54+08:00", "utc": "1952-03-18T05:21:54Z", "ms": -561407885773.2395 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-03-19", "window": { "start": { "local": "1952-03-19T12:33:37+08:00", "utc": "1952-03-19T04:33:37Z", "ms": -561324383345.1086 }, "end": { "local": "1952-03-19T13:21:37+08:00", "utc": "1952-03-19T05:21:37Z", "ms": -561321503345.1086 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:34 on Tue 18 Mar to 21:40 on Wed 19 Mar.", "fact": "1952-03-18T15:34:19Z → 1952-03-19T13:40:24Z" }, { "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": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29927 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Qingyang, 1952: Wednesday 19 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-19", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalāṣṭamī 1952 falls on Wednesday 19 March. Aṣṭamī runs from 23:34 on Tue 18 Mar to 21:40 on Wed 19 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-03-22", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27466, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-03-21T17:04:26+08:00", "utc": "1952-03-21T09:04:26Z", "ms": -561135334274.5442 }, "end": { "local": "1952-03-22T14:28:58+08:00", "utc": "1952-03-22T06:28:58Z", "ms": -561058261691.3782 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-03-21T17:04:26+08:00", "utc": "1952-03-21T09:04:26Z", "ms": -561135334274.5442 }, "end": { "local": "1952-03-22T14:28:58+08:00", "utc": "1952-03-22T06:28:58Z", "ms": -561058261691.3782 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-03-21", "window": { "start": { "local": "1952-03-21T06:52:39+08:00", "utc": "1952-03-20T22:52:39Z", "ms": -561172041267.3463 }, "end": { "local": "1952-03-21T06:52:39+08:00", "utc": "1952-03-20T22:52:39Z", "ms": -561172041267.3463 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-03-22", "window": { "start": { "local": "1952-03-22T06:51:13+08:00", "utc": "1952-03-21T22:51:13Z", "ms": -561085727315.1869 }, "end": { "local": "1952-03-22T06:51:13+08:00", "utc": "1952-03-21T22:51:13Z", "ms": -561085727315.1869 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:04 on Fri 21 Mar to 14:29 on Sat 22 Mar.", "fact": "1952-03-21T09:04:26Z → 1952-03-22T06:28:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:53 on the 21st and 06:51 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27466 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Qingyang, 1952: Saturday 22 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-22", "confidence": "determinate" } ], "quote": "In Qingyang, Pāpamocanī Ekādaśī 1952 falls on Saturday 22 March. Ekādaśī runs from 17:04 on Fri 21 Mar to 14:29 on Sat 22 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-03-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-03-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26114, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-03-23T11:47:50+08:00", "utc": "1952-03-23T03:47:50Z", "ms": -560981529752.8826 }, "end": { "local": "1952-03-24T09:06:47+08:00", "utc": "1952-03-24T01:06:47Z", "ms": -560904792740.9009 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-03-23T11:47:50+08:00", "utc": "1952-03-23T03:47:50Z", "ms": -560981529752.8826 }, "end": { "local": "1952-03-24T09:06:47+08:00", "utc": "1952-03-24T01:06:47Z", "ms": -560904792740.9009 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-03-23", "window": { "start": { "local": "1952-03-23T19:03:04+08:00", "utc": "1952-03-23T11:03:04Z", "ms": -560955416207.2052 }, "end": { "local": "1952-03-23T20:37:06+08:00", "utc": "1952-03-23T12:37:06Z", "ms": -560949773984.9982 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1952-03-24", "window": { "start": { "local": "1952-03-24T19:03:54+08:00", "utc": "1952-03-24T11:03:54Z", "ms": -560868966218.8639 }, "end": { "local": "1952-03-24T20:37:38+08:00", "utc": "1952-03-24T12:37:38Z", "ms": -560863342144.8157 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:48 on Sun 23 Mar to 09:07 on Mon 24 Mar.", "fact": "1952-03-23T03:47:50Z → 1952-03-24T01:06:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:03–20:37 on the 23rd, 19:04–20:38 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 94 of 94 minutes on the 23rd and 0 of 94 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26114 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1952: Sunday 23 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-23", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1952 falls on Sunday 23 March. Trayodaśī runs from 11:48 on Sun 23 Mar to 09:07 on Mon 24 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-03-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/shivaratri?on=1952-03-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18788, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-03-24T09:06:47+08:00", "utc": "1952-03-24T01:06:47Z", "ms": -560904792740.9009 }, "end": { "local": "1952-03-25T06:32:32+08:00", "utc": "1952-03-24T22:32:32Z", "ms": -560827647583.6431 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-03-24T09:06:47+08:00", "utc": "1952-03-24T01:06:47Z", "ms": -560904792740.9009 }, "end": { "local": "1952-03-25T06:32:32+08:00", "utc": "1952-03-24T22:32:32Z", "ms": -560827647583.6431 } }, "kaala": "nishita", "days": [ { "local_date": "1952-03-23", "window": { "start": { "local": "1952-03-24T00:31:42+08:00", "utc": "1952-03-23T16:31:42Z", "ms": -560935697873.9287 }, "end": { "local": "1952-03-24T01:19:42+08:00", "utc": "1952-03-23T17:19:42Z", "ms": -560932817873.9287 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-03-24", "window": { "start": { "local": "1952-03-25T00:31:24+08:00", "utc": "1952-03-24T16:31:24Z", "ms": -560849315941.1832 }, "end": { "local": "1952-03-25T01:19:24+08:00", "utc": "1952-03-24T17:19:24Z", "ms": -560846435941.1832 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:07 on Mon 24 Mar to 06:33 on Tue 25 Mar.", "fact": "1952-03-24T01:06:47Z → 1952-03-24T22:32:32Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:32–01:20 on the 23rd, 00:31–01:19 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18788 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1952: Monday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-24", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1952 falls on Monday 24 March. Caturdaśī runs from 09:07 on Mon 24 Mar to 06:33 on Tue 25 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/shivaratri?on=1952-03-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29937, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1952-03-26T04:12:34+08:00", "utc": "1952-03-25T20:12:34Z", "ms": -560749645733.4423 }, "end": { "local": "1952-03-27T02:14:47+08:00", "utc": "1952-03-26T18:14:47Z", "ms": -560670313346.8531 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-03-26T04:12:34+08:00", "utc": "1952-03-25T20:12:34Z", "ms": -560749645733.4423 }, "end": { "local": "1952-03-27T02:14:47+08:00", "utc": "1952-03-26T18:14:47Z", "ms": -560670313346.8531 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-03-26", "window": { "start": { "local": "1952-03-26T12:31:31+08:00", "utc": "1952-03-26T04:31:31Z", "ms": -560719709140.9551 }, "end": { "local": "1952-03-26T13:19:31+08:00", "utc": "1952-03-26T05:19:31Z", "ms": -560716829140.9551 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-03-27", "window": { "start": { "local": "1952-03-27T12:31:13+08:00", "utc": "1952-03-27T04:31:13Z", "ms": -560633327302.096 }, "end": { "local": "1952-03-27T13:19:13+08:00", "utc": "1952-03-27T05:19:13Z", "ms": -560630447302.096 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 04:13 on Wed 26 Mar to 02:15 on Thu 27 Mar.", "fact": "1952-03-25T20:12:34Z → 1952-03-26T18:14:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 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": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29937 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Qingyang, 1952: Wednesday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-26", "confidence": "determinate" } ], "quote": "In Qingyang, Navarātrārambha (Caitra) (Chaitra Navratri) 1952 falls on Wednesday 26 March. Pratipadā runs from 04:13 on Wed 26 Mar to 02:15 on Thu 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38235, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1952-03-28T00:46:58+08:00", "utc": "1952-03-27T16:46:58Z", "ms": -560589181714.1669 }, "end": { "local": "1952-03-28T23:56:10+08:00", "utc": "1952-03-28T15:56:10Z", "ms": -560505830200.3286 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-03-28T00:46:58+08:00", "utc": "1952-03-27T16:46:58Z", "ms": -560589181714.1669 }, "end": { "local": "1952-03-28T23:56:10+08:00", "utc": "1952-03-28T15:56:10Z", "ms": -560505830200.3286 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-03-27", "window": { "start": { "local": "1952-03-27T12:31:13+08:00", "utc": "1952-03-27T04:31:13Z", "ms": -560633327302.096 }, "end": { "local": "1952-03-27T13:19:13+08:00", "utc": "1952-03-27T05:19:13Z", "ms": -560630447302.096 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-03-28", "window": { "start": { "local": "1952-03-28T12:30:55+08:00", "utc": "1952-03-28T04:30:55Z", "ms": -560546945462.363 }, "end": { "local": "1952-03-28T13:18:55+08:00", "utc": "1952-03-28T05:18:55Z", "ms": -560544065462.363 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:47 on Fri 28 Mar to 23:56 on Fri 28 Mar.", "fact": "1952-03-27T16:46:58Z → 1952-03-28T15:56:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 27th, 12:31–13:19 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38235 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Qingyang, 1952: Friday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-28", "confidence": "determinate" } ], "quote": "In Qingyang, Gaurī Tṛtīyā (Gangaur) 1952 falls on Friday 28 March. Tṛtīyā runs from 00:47 on Fri 28 Mar to 23:56 on Fri 28 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38235, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1952-03-28T00:46:58+08:00", "utc": "1952-03-27T16:46:58Z", "ms": -560589181714.1669 }, "end": { "local": "1952-03-28T23:56:10+08:00", "utc": "1952-03-28T15:56:10Z", "ms": -560505830200.3286 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-03-28T00:46:58+08:00", "utc": "1952-03-27T16:46:58Z", "ms": -560589181714.1669 }, "end": { "local": "1952-03-28T23:56:10+08:00", "utc": "1952-03-28T15:56:10Z", "ms": -560505830200.3286 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-03-27", "window": { "start": { "local": "1952-03-27T12:31:13+08:00", "utc": "1952-03-27T04:31:13Z", "ms": -560633327302.096 }, "end": { "local": "1952-03-27T13:19:13+08:00", "utc": "1952-03-27T05:19:13Z", "ms": -560630447302.096 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-03-28", "window": { "start": { "local": "1952-03-28T12:30:55+08:00", "utc": "1952-03-28T04:30:55Z", "ms": -560546945462.363 }, "end": { "local": "1952-03-28T13:18:55+08:00", "utc": "1952-03-28T05:18:55Z", "ms": -560544065462.363 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:47 on Fri 28 Mar to 23:56 on Fri 28 Mar.", "fact": "1952-03-27T16:46:58Z → 1952-03-28T15:56:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 27th, 12:31–13:19 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38235 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Qingyang, 1952: Friday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-28", "confidence": "determinate" } ], "quote": "In Qingyang, Saubhāgya Śayana Vrata 1952 falls on Friday 28 March. Tṛtīyā runs from 00:47 on Fri 28 Mar to 23:56 on Fri 28 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/vinayaka-chaturthi?on=1952-03-29", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37741, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-03-28T23:56:10+08:00", "utc": "1952-03-28T15:56:10Z", "ms": -560505830200.3286 }, "end": { "local": "1952-03-29T23:47:37+08:00", "utc": "1952-03-29T15:47:37Z", "ms": -560419942603.0504 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-03-28T23:56:10+08:00", "utc": "1952-03-28T15:56:10Z", "ms": -560505830200.3286 }, "end": { "local": "1952-03-29T23:47:37+08:00", "utc": "1952-03-29T15:47:37Z", "ms": -560419942603.0504 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-03-28", "window": { "start": { "local": "1952-03-28T12:30:55+08:00", "utc": "1952-03-28T04:30:55Z", "ms": -560546945462.363 }, "end": { "local": "1952-03-28T13:18:55+08:00", "utc": "1952-03-28T05:18:55Z", "ms": -560544065462.363 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-03-29", "window": { "start": { "local": "1952-03-29T12:30:36+08:00", "utc": "1952-03-29T04:30:36Z", "ms": -560460563605.3563 }, "end": { "local": "1952-03-29T13:18:36+08:00", "utc": "1952-03-29T05:18:36Z", "ms": -560457683605.3563 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:56 on Fri 28 Mar to 23:48 on Sat 29 Mar.", "fact": "1952-03-28T15:56:10Z → 1952-03-29T15:47:37Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37741 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1952: Saturday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-29", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1952 falls on Saturday 29 March. Caturthī runs from 23:56 on Fri 28 Mar to 23:48 on Sat 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/vinayaka-chaturthi?on=1952-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37741, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1952-03-29T23:47:37+08:00", "utc": "1952-03-29T15:47:37Z", "ms": -560419942603.0504 }, "end": { "local": "1952-03-31T00:23:47+08:00", "utc": "1952-03-30T16:23:47Z", "ms": -560331373474.0443 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-03-29T23:47:37+08:00", "utc": "1952-03-29T15:47:37Z", "ms": -560419942603.0504 }, "end": { "local": "1952-03-31T00:23:47+08:00", "utc": "1952-03-30T16:23:47Z", "ms": -560331373474.0443 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-03-29", "window": { "start": { "local": "1952-03-29T12:30:36+08:00", "utc": "1952-03-29T04:30:36Z", "ms": -560460563605.3563 }, "end": { "local": "1952-03-29T13:18:36+08:00", "utc": "1952-03-29T05:18:36Z", "ms": -560457683605.3563 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-03-30", "window": { "start": { "local": "1952-03-30T12:30:18+08:00", "utc": "1952-03-30T04:30:18Z", "ms": -560374181714.1311 }, "end": { "local": "1952-03-30T13:18:18+08:00", "utc": "1952-03-30T05:18:18Z", "ms": -560371301714.1311 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:48 on Sat 29 Mar to 00:24 on Mon 31 Mar.", "fact": "1952-03-29T15:47:37Z → 1952-03-30T16:23:47Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37741 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Qingyang, 1952: Sunday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-03-30", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pañcamī 1952 falls on Sunday 30 March. Pañcamī runs from 23:48 on Sat 29 Mar to 00:24 on Mon 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23210, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1952-04-02T03:39:31+08:00", "utc": "1952-04-01T19:39:31Z", "ms": -560146829339.2574 }, "end": { "local": "1952-04-03T06:02:17+08:00", "utc": "1952-04-02T22:02:17Z", "ms": -560051863485.9786 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-04-02T03:39:31+08:00", "utc": "1952-04-01T19:39:31Z", "ms": -560146829339.2574 }, "end": { "local": "1952-04-03T06:02:17+08:00", "utc": "1952-04-02T22:02:17Z", "ms": -560051863485.9786 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-04-02", "window": { "start": { "local": "1952-04-02T12:29:24+08:00", "utc": "1952-04-02T04:29:24Z", "ms": -560115035657.7563 }, "end": { "local": "1952-04-02T13:17:24+08:00", "utc": "1952-04-02T05:17:24Z", "ms": -560112155657.7563 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-04-03", "window": { "start": { "local": "1952-04-03T12:29:07+08:00", "utc": "1952-04-03T04:29:07Z", "ms": -560028653450.1334 }, "end": { "local": "1952-04-03T13:17:07+08:00", "utc": "1952-04-03T05:17:07Z", "ms": -560025773450.1334 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:40 on Wed 2 Apr to 06:02 on Thu 3 Apr.", "fact": "1952-04-01T19:39:31Z → 1952-04-02T22:02:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 2nd, 12:29–13:17 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23210 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Qingyang, 1952: Wednesday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-02", "confidence": "determinate" } ], "quote": "In Qingyang, Bhavānī Utpatti 1952 falls on Wednesday 2 April. Aṣṭamī runs from 03:40 on Wed 2 Apr to 06:02 on Thu 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13888, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1952-04-03T06:02:17+08:00", "utc": "1952-04-02T22:02:17Z", "ms": -560051863485.9786 }, "end": { "local": "1952-04-04T08:37:21+08:00", "utc": "1952-04-04T00:37:21Z", "ms": -559956159353.9943 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-04-03T06:02:17+08:00", "utc": "1952-04-02T22:02:17Z", "ms": -560051863485.9786 }, "end": { "local": "1952-04-04T08:37:21+08:00", "utc": "1952-04-04T00:37:21Z", "ms": -559956159353.9943 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-04-03", "window": { "start": { "local": "1952-04-03T12:29:07+08:00", "utc": "1952-04-03T04:29:07Z", "ms": -560028653450.1334 }, "end": { "local": "1952-04-03T13:17:07+08:00", "utc": "1952-04-03T05:17:07Z", "ms": -560025773450.1334 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-04-04", "window": { "start": { "local": "1952-04-04T12:28:49+08:00", "utc": "1952-04-04T04:28:49Z", "ms": -559942271116.6604 }, "end": { "local": "1952-04-04T13:16:49+08:00", "utc": "1952-04-04T05:16:49Z", "ms": -559939391116.6604 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 06:02 on Thu 3 Apr to 08:37 on Fri 4 Apr.", "fact": "1952-04-02T22:02:17Z → 1952-04-04T00:37:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 3rd, 12:29–13:17 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13888 s" }, { "step": "ruling", "text": "Rāma Navamī, Qingyang, 1952: Thursday 3 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-03", "confidence": "determinate" } ], "quote": "In Qingyang, Rāma Navamī 1952 falls on Thursday 3 April. Navamī runs from 06:02 on Thu 3 Apr to 08:37 on Fri 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-04-06", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16687, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-04-05T11:09:22+08:00", "utc": "1952-04-05T03:09:22Z", "ms": -559860638072.3822 }, "end": { "local": "1952-04-06T13:24:08+08:00", "utc": "1952-04-06T05:24:08Z", "ms": -559766151610.2712 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-04-05T11:09:22+08:00", "utc": "1952-04-05T03:09:22Z", "ms": -559860638072.3822 }, "end": { "local": "1952-04-06T13:24:08+08:00", "utc": "1952-04-06T05:24:08Z", "ms": -559766151610.2712 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-04-05", "window": { "start": { "local": "1952-04-05T06:31:15+08:00", "utc": "1952-04-04T22:31:15Z", "ms": -559877325202.0237 }, "end": { "local": "1952-04-05T06:31:15+08:00", "utc": "1952-04-04T22:31:15Z", "ms": -559877325202.0237 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-04-06", "window": { "start": { "local": "1952-04-06T06:29:51+08:00", "utc": "1952-04-05T22:29:51Z", "ms": -559791009176.2795 }, "end": { "local": "1952-04-06T06:29:51+08:00", "utc": "1952-04-05T22:29:51Z", "ms": -559791009176.2795 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:09 on Sat 5 Apr to 13:24 on Sun 6 Apr.", "fact": "1952-04-05T03:09:22Z → 1952-04-06T05:24:08Z" }, { "step": "kaala", "text": "Sunrise is at 06:31 on the 5th and 06:30 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16687 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Qingyang, 1952: Sunday 6 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-06", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmadā Ekādaśī 1952 falls on Sunday 6 April. Ekādaśī runs from 11:09 on Sat 5 Apr to 13:24 on Sun 6 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-04-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-04-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10453, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-04-07T15:10:38+08:00", "utc": "1952-04-07T07:10:38Z", "ms": -559673361984.3484 }, "end": { "local": "1952-04-08T16:22:03+08:00", "utc": "1952-04-08T08:22:03Z", "ms": -559582677361.8789 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-04-07T15:10:38+08:00", "utc": "1952-04-07T07:10:38Z", "ms": -559673361984.3484 }, "end": { "local": "1952-04-08T16:22:03+08:00", "utc": "1952-04-08T08:22:03Z", "ms": -559582677361.8789 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-04-07", "window": { "start": { "local": "1952-04-07T19:15:26+08:00", "utc": "1952-04-07T11:15:26Z", "ms": -559658673550.3984 }, "end": { "local": "1952-04-07T20:44:59+08:00", "utc": "1952-04-07T12:44:59Z", "ms": -559653300543.3011 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1952-04-08", "window": { "start": { "local": "1952-04-08T19:16:16+08:00", "utc": "1952-04-08T11:16:16Z", "ms": -559572224274.428 }, "end": { "local": "1952-04-08T20:45:31+08:00", "utc": "1952-04-08T12:45:31Z", "ms": -559566868875.6562 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:11 on Mon 7 Apr to 16:22 on Tue 8 Apr.", "fact": "1952-04-07T07:10:38Z → 1952-04-08T08:22:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:15–20:45 on the 7th, 19:16–20:46 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 7th and 0 of 89 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10453 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1952: Monday 7 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": "1952-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-07", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1952 falls on Monday 7 April. Trayodaśī runs from 15:11 on Mon 7 Apr to 16:22 on Tue 8 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-04-07", "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/1952/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6881, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-04-07T15:10:38+08:00", "utc": "1952-04-07T07:10:38Z", "ms": -559673361984.3484 }, "end": { "local": "1952-04-08T16:22:03+08:00", "utc": "1952-04-08T08:22:03Z", "ms": -559582677361.8789 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-04-07T15:10:38+08:00", "utc": "1952-04-07T07:10:38Z", "ms": -559673361984.3484 }, "end": { "local": "1952-04-08T16:22:03+08:00", "utc": "1952-04-08T08:22:03Z", "ms": -559582677361.8789 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-04-07", "window": { "start": { "local": "1952-04-07T12:27:57+08:00", "utc": "1952-04-07T04:27:57Z", "ms": -559683123167.5236 }, "end": { "local": "1952-04-07T13:15:57+08:00", "utc": "1952-04-07T05:15:57Z", "ms": -559680243167.5236 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-04-08", "window": { "start": { "local": "1952-04-08T12:27:40+08:00", "utc": "1952-04-08T04:27:40Z", "ms": -559596740135.7986 }, "end": { "local": "1952-04-08T13:15:40+08:00", "utc": "1952-04-08T05:15:40Z", "ms": -559593860135.7986 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:11 on Mon 7 Apr to 16:22 on Tue 8 Apr.", "fact": "1952-04-07T07:10:38Z → 1952-04-08T08:22:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 7th, 12:28–13:16 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6881 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Qingyang, 1952: Tuesday 8 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-08", "confidence": "determinate" } ], "quote": "In Qingyang, Anaṅga Trayodaśī 1952 falls on Tuesday 8 April. Trayodaśī runs from 15:11 on Mon 7 Apr to 16:22 on Tue 8 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11183, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-04-08T16:22:03+08:00", "utc": "1952-04-08T08:22:03Z", "ms": -559582677361.8789 }, "end": { "local": "1952-04-09T16:55:51+08:00", "utc": "1952-04-09T08:55:51Z", "ms": -559494248987.8247 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-04-08T16:22:03+08:00", "utc": "1952-04-08T08:22:03Z", "ms": -559582677361.8789 }, "end": { "local": "1952-04-09T16:55:51+08:00", "utc": "1952-04-09T08:55:51Z", "ms": -559494248987.8247 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-04-08", "window": { "start": { "local": "1952-04-08T12:27:40+08:00", "utc": "1952-04-08T04:27:40Z", "ms": -559596740135.7986 }, "end": { "local": "1952-04-08T13:15:40+08:00", "utc": "1952-04-08T05:15:40Z", "ms": -559593860135.7986 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-04-09", "window": { "start": { "local": "1952-04-09T12:27:23+08:00", "utc": "1952-04-09T04:27:23Z", "ms": -559510356879.5338 }, "end": { "local": "1952-04-09T13:15:23+08:00", "utc": "1952-04-09T05:15:23Z", "ms": -559507476879.5338 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:22 on Tue 8 Apr to 16:56 on Wed 9 Apr.", "fact": "1952-04-08T08:22:03Z → 1952-04-09T08:55:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 8th, 12:27–13:15 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11183 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Qingyang, 1952: Wednesday 9 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-09", "confidence": "determinate" } ], "quote": "In Qingyang, Viṣṇudamanaka Caturdaśī 1952 falls on Wednesday 9 April. Caturdaśī runs from 16:22 on Tue 8 Apr to 16:56 on Wed 9 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13081, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-04-09T16:55:51+08:00", "utc": "1952-04-09T08:55:51Z", "ms": -559494248987.8247 }, "end": { "local": "1952-04-10T16:53:08+08:00", "utc": "1952-04-10T08:53:08Z", "ms": -559408011889.5077 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1952-04-09T16:55:51+08:00", "utc": "1952-04-09T08:55:51Z", "ms": -559494248987.8247 }, "end": { "local": "1952-04-10T16:53:08+08:00", "utc": "1952-04-10T08:53:08Z", "ms": -559408011889.5077 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-04-09", "window": { "start": { "local": "1952-04-09T12:27:23+08:00", "utc": "1952-04-09T04:27:23Z", "ms": -559510356879.5338 }, "end": { "local": "1952-04-09T13:15:23+08:00", "utc": "1952-04-09T05:15:23Z", "ms": -559507476879.5338 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-04-10", "window": { "start": { "local": "1952-04-10T12:27:07+08:00", "utc": "1952-04-10T04:27:07Z", "ms": -559423973378.2717 }, "end": { "local": "1952-04-10T13:15:07+08:00", "utc": "1952-04-10T05:15:07Z", "ms": -559421093378.2717 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:56 on Wed 9 Apr to 16:53 on Thu 10 Apr.", "fact": "1952-04-09T08:55:51Z → 1952-04-10T08:53:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 9th, 12:27–13:15 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13081 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Qingyang, 1952: Thursday 10 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chaitri-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-10", "confidence": "determinate" } ], "quote": "In Qingyang, Caitrī Pūrṇimā 1952 falls on Thursday 10 April. Pūrṇimā runs from 16:56 on Wed 9 Apr to 16:53 on Thu 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22300, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1952-04-13T12:31:55+08:00", "utc": "1952-04-13T04:31:55Z", "ms": -559164484871.5277 }, "end": { "local": "1952-05-14T09:28:29+08:00", "utc": "1952-05-14T01:28:29Z", "ms": -556497091493.4607 } }, "span": { "of": "transit", "start": { "local": "1952-04-13T12:31:55+08:00", "utc": "1952-04-13T04:31:55Z", "ms": -559164484871.5277 }, "end": { "local": "1952-04-13T12:31:55+08:00", "utc": "1952-04-13T04:31:55Z", "ms": -559164484871.5277 } }, "kaala": "day", "days": [ { "local_date": "1952-04-12", "window": { "start": { "local": "1952-04-12T06:21:36+08:00", "utc": "1952-04-11T22:21:36Z", "ms": -559273104281.1228 }, "end": { "local": "1952-04-13T06:20:15+08:00", "utc": "1952-04-12T22:20:15Z", "ms": -559186785056.5382 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "1952-04-13", "window": { "start": { "local": "1952-04-13T06:20:15+08:00", "utc": "1952-04-12T22:20:15Z", "ms": -559186785056.5382 }, "end": { "local": "1952-04-14T06:18:55+08:00", "utc": "1952-04-13T22:18:55Z", "ms": -559100465251.2725 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 12:32 on Sun 13 Apr.", "fact": "1952-04-13T04:31:55Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:22 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 22300 s" }, { "step": "ruling", "text": "Vaiśākhī, Qingyang, 1952: Sunday 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": "1952-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1952-04-13", "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": "1952-04-13", "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 1952 falls on Sunday 13 April. The Sun enters Meṣa at 12:32 on Sun 13 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/sankashta-chaturthi?on=1952-04-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32646, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-04-13T13:49:09+08:00", "utc": "1952-04-13T05:49:09Z", "ms": -559159850645.4694 }, "end": { "local": "1952-04-14T12:07:43+08:00", "utc": "1952-04-14T04:07:43Z", "ms": -559079537341.2452 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-04-13T13:49:09+08:00", "utc": "1952-04-13T05:49:09Z", "ms": -559159850645.4694 }, "end": { "local": "1952-04-14T12:07:43+08:00", "utc": "1952-04-14T04:07:43Z", "ms": -559079537341.2452 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-04-13", "window": { "start": { "local": "1952-04-13T22:53:15+08:00", "utc": "1952-04-13T14:53:15Z", "ms": -559127205066.0098 }, "end": { "local": "1952-04-13T22:53:15+08:00", "utc": "1952-04-13T14:53:15Z", "ms": -559127205066.0098 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-04-14", "window": { "start": { "local": "1952-04-15T00:00:49+08:00", "utc": "1952-04-14T16:00:49Z", "ms": -559036750652.5933 }, "end": { "local": "1952-04-15T00:00:49+08:00", "utc": "1952-04-14T16:00:49Z", "ms": -559036750652.5933 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:49 on Sun 13 Apr to 12:08 on Mon 14 Apr.", "fact": "1952-04-13T05:49:09Z → 1952-04-14T04:07:43Z" }, { "step": "kaala", "text": "Moonrise is at 22:53 on the 13th and 00:01 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32646 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1952: Sunday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-13", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1952 falls on Sunday 13 April. Caturthī runs from 13:49 on Sun 13 Apr to 12:08 on Mon 14 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/sankashta-chaturthi?on=1952-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/ekadashi?on=1952-04-20", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22784, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-04-19T23:51:24+08:00", "utc": "1952-04-19T15:51:24Z", "ms": -558605316260.3818 }, "end": { "local": "1952-04-20T21:49:00+08:00", "utc": "1952-04-20T13:49:00Z", "ms": -558526260490.6512 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-04-19T23:51:24+08:00", "utc": "1952-04-19T15:51:24Z", "ms": -558605316260.3818 }, "end": { "local": "1952-04-20T21:49:00+08:00", "utc": "1952-04-20T13:49:00Z", "ms": -558526260490.6512 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-04-20", "window": { "start": { "local": "1952-04-20T06:11:08+08:00", "utc": "1952-04-19T22:11:08Z", "ms": -558582532469.9886 }, "end": { "local": "1952-04-20T06:11:08+08:00", "utc": "1952-04-19T22:11:08Z", "ms": -558582532469.9886 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-04-21", "window": { "start": { "local": "1952-04-21T06:09:52+08:00", "utc": "1952-04-20T22:09:52Z", "ms": -558496207731.2426 }, "end": { "local": "1952-04-21T06:09:52+08:00", "utc": "1952-04-20T22:09:52Z", "ms": -558496207731.2426 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:51 on Sat 19 Apr to 21:49 on Sun 20 Apr.", "fact": "1952-04-19T15:51:24Z → 1952-04-20T13:49:00Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 20th and 06:10 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 22784 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Qingyang, 1952: Sunday 20 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-20", "confidence": "determinate" } ], "quote": "In Qingyang, Varūthinī Ekādaśī 1952 falls on Sunday 20 April. Ekādaśī runs from 23:51 on Sat 19 Apr to 21:49 on Sun 20 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-04-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1550, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-04-21T19:52:51+08:00", "utc": "1952-04-21T11:52:51Z", "ms": -558446828893.0571 }, "end": { "local": "1952-04-22T18:07:00+08:00", "utc": "1952-04-22T10:07:00Z", "ms": -558366780125.8743 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-04-21T19:52:51+08:00", "utc": "1952-04-21T11:52:51Z", "ms": -558446828893.0571 }, "end": { "local": "1952-04-22T18:07:00+08:00", "utc": "1952-04-22T10:07:00Z", "ms": -558366780125.8743 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-04-21", "window": { "start": { "local": "1952-04-21T19:27:01+08:00", "utc": "1952-04-21T11:27:01Z", "ms": -558448378554.7462 }, "end": { "local": "1952-04-21T20:52:34+08:00", "utc": "1952-04-21T12:52:34Z", "ms": -558443245703.5967 } }, "covered_min": 60, "window_min": 86, "qualifies": true }, { "local_date": "1952-04-22", "window": { "start": { "local": "1952-04-22T19:27:52+08:00", "utc": "1952-04-22T11:27:52Z", "ms": -558361928362.141 }, "end": { "local": "1952-04-22T20:53:08+08:00", "utc": "1952-04-22T12:53:08Z", "ms": -558356812015.6288 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:53 on Mon 21 Apr to 18:07 on Tue 22 Apr.", "fact": "1952-04-21T11:52:51Z → 1952-04-22T10:07:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:27–20:53 on the 21st, 19:28–20:53 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 60 of 86 minutes on the 21st and 0 of 85 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 1550 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1952: Monday 21 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": "1952-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-21", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1952 falls on Monday 21 April. Trayodaśī runs from 19:53 on Mon 21 Apr to 18:07 on Tue 22 Apr and covers 60 of 86 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-04-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/shivaratri?on=1952-04-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22598, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-04-22T18:07:00+08:00", "utc": "1952-04-22T10:07:00Z", "ms": -558366780125.8743 }, "end": { "local": "1952-04-23T16:36:31+08:00", "utc": "1952-04-23T08:36:31Z", "ms": -558285809050.7045 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-04-22T18:07:00+08:00", "utc": "1952-04-22T10:07:00Z", "ms": -558366780125.8743 }, "end": { "local": "1952-04-23T16:36:31+08:00", "utc": "1952-04-23T08:36:31Z", "ms": -558285809050.7045 } }, "kaala": "nishita", "days": [ { "local_date": "1952-04-22", "window": { "start": { "local": "1952-04-23T00:23:38+08:00", "utc": "1952-04-22T16:23:38Z", "ms": -558344182062.7202 }, "end": { "local": "1952-04-23T01:11:38+08:00", "utc": "1952-04-22T17:11:38Z", "ms": -558341302062.7202 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-04-23", "window": { "start": { "local": "1952-04-24T00:23:27+08:00", "utc": "1952-04-23T16:23:27Z", "ms": -558257793297.3668 }, "end": { "local": "1952-04-24T01:11:27+08:00", "utc": "1952-04-23T17:11:27Z", "ms": -558254913297.3668 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:07 on Tue 22 Apr to 16:37 on Wed 23 Apr.", "fact": "1952-04-22T10:07:00Z → 1952-04-23T08:36:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:24–01:12 on the 22nd, 00:23–01:11 on the 23rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22598 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1952: Tuesday 22 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-22", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1952 falls on Tuesday 22 April. Caturdaśī runs from 18:07 on Tue 22 Apr to 16:37 on Wed 23 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/shivaratri?on=1952-04-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15984, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1952-04-26T14:36:56+08:00", "utc": "1952-04-26T06:36:56Z", "ms": -558033784319.2227 }, "end": { "local": "1952-04-27T15:05:39+08:00", "utc": "1952-04-27T07:05:39Z", "ms": -557945660734.0251 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-04-26T14:36:56+08:00", "utc": "1952-04-26T06:36:56Z", "ms": -558033784319.2227 }, "end": { "local": "1952-04-27T15:05:39+08:00", "utc": "1952-04-27T07:05:39Z", "ms": -557945660734.0251 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-04-26", "window": { "start": { "local": "1952-04-26T19:31:13+08:00", "utc": "1952-04-26T11:31:13Z", "ms": -558016127128.5018 }, "end": { "local": "1952-04-26T20:55:24+08:00", "utc": "1952-04-26T12:55:24Z", "ms": -558011075664.0928 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1952-04-27", "window": { "start": { "local": "1952-04-27T19:32:03+08:00", "utc": "1952-04-27T11:32:03Z", "ms": -557929676761.4261 }, "end": { "local": "1952-04-27T20:55:59+08:00", "utc": "1952-04-27T12:55:59Z", "ms": -557924641208.8734 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:37 on Sat 26 Apr to 15:06 on Sun 27 Apr.", "fact": "1952-04-26T06:36:56Z → 1952-04-27T07:05:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:31–20:55 on the 26th, 19:32–20:56 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 84 of 84 minutes on the 26th and 0 of 84 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 15984 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Qingyang, 1952: Saturday 26 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-26", "confidence": "determinate" } ], "quote": "In Qingyang, Paraśurāma Jayantī 1952 falls on Saturday 26 April. Tṛtīyā runs from 14:37 on Sat 26 Apr to 15:06 on Sun 27 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14639, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1952-04-26T14:36:56+08:00", "utc": "1952-04-26T06:36:56Z", "ms": -558033784319.2227 }, "end": { "local": "1952-04-27T15:05:39+08:00", "utc": "1952-04-27T07:05:39Z", "ms": -557945660734.0251 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-04-26T14:36:56+08:00", "utc": "1952-04-26T06:36:56Z", "ms": -558033784319.2227 }, "end": { "local": "1952-04-27T15:05:39+08:00", "utc": "1952-04-27T07:05:39Z", "ms": -557945660734.0251 } }, "kaala": "purvahna", "days": [ { "local_date": "1952-04-26", "window": { "start": { "local": "1952-04-26T06:03:49+08:00", "utc": "1952-04-25T22:03:49Z", "ms": -558064571198.5215 }, "end": { "local": "1952-04-26T10:32:57+08:00", "utc": "1952-04-26T02:32:57Z", "ms": -558048423175.1816 } }, "covered_min": 0, "window_min": 269, "qualifies": false }, { "local_date": "1952-04-27", "window": { "start": { "local": "1952-04-27T06:02:39+08:00", "utc": "1952-04-26T22:02:39Z", "ms": -557978241145.4342 }, "end": { "local": "1952-04-27T10:32:27+08:00", "utc": "1952-04-27T02:32:27Z", "ms": -557962053017.4315 } }, "covered_min": 270, "window_min": 270, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:37 on Sat 26 Apr to 15:06 on Sun 27 Apr.", "fact": "1952-04-26T06:36:56Z → 1952-04-27T07:05:39Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:04–10:33 on the 26th, 06:03–10:32 on the 27th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 269 minutes on the 26th and 270 of 270 on the 27th.", "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 14639 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Qingyang, 1952: Sunday 27 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-27", "confidence": "determinate" } ], "quote": "In Qingyang, Akṣaya Tṛtīyā 1952 falls on Sunday 27 April. Tṛtīyā runs from 14:37 on Sat 26 Apr to 15:06 on Sun 27 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/vinayaka-chaturthi?on=1952-04-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6858, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-04-27T15:05:39+08:00", "utc": "1952-04-27T07:05:39Z", "ms": -557945660734.0251 }, "end": { "local": "1952-04-28T16:13:10+08:00", "utc": "1952-04-28T08:13:10Z", "ms": -557855210005.0981 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-04-27T15:05:39+08:00", "utc": "1952-04-27T07:05:39Z", "ms": -557945660734.0251 }, "end": { "local": "1952-04-28T16:13:10+08:00", "utc": "1952-04-28T08:13:10Z", "ms": -557855210005.0981 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-04-27", "window": { "start": { "local": "1952-04-27T12:23:21+08:00", "utc": "1952-04-27T04:23:21Z", "ms": -557955398953.4302 }, "end": { "local": "1952-04-27T13:11:21+08:00", "utc": "1952-04-27T05:11:21Z", "ms": -557952518953.4302 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-04-28", "window": { "start": { "local": "1952-04-28T12:23:12+08:00", "utc": "1952-04-28T04:23:12Z", "ms": -557869008256.5741 }, "end": { "local": "1952-04-28T13:11:12+08:00", "utc": "1952-04-28T05:11:12Z", "ms": -557866128256.5741 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:06 on Sun 27 Apr to 16:13 on Mon 28 Apr.", "fact": "1952-04-27T07:05:39Z → 1952-04-28T08:13:10Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6858 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1952: Monday 28 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-28", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1952 falls on Monday 28 April. Caturthī runs from 15:06 on Sun 27 Apr to 16:13 on Mon 28 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/vinayaka-chaturthi?on=1952-04-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10918, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1952-04-28T16:13:10+08:00", "utc": "1952-04-28T08:13:10Z", "ms": -557855210005.0981 }, "end": { "local": "1952-04-29T17:57:00+08:00", "utc": "1952-04-29T09:57:00Z", "ms": -557762579645.1918 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-04-28T16:13:10+08:00", "utc": "1952-04-28T08:13:10Z", "ms": -557855210005.0981 }, "end": { "local": "1952-04-29T17:57:00+08:00", "utc": "1952-04-29T09:57:00Z", "ms": -557762579645.1918 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-04-28", "window": { "start": { "local": "1952-04-28T12:23:12+08:00", "utc": "1952-04-28T04:23:12Z", "ms": -557869008256.5741 }, "end": { "local": "1952-04-28T13:11:12+08:00", "utc": "1952-04-28T05:11:12Z", "ms": -557866128256.5741 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-04-29", "window": { "start": { "local": "1952-04-29T12:23:03+08:00", "utc": "1952-04-29T04:23:03Z", "ms": -557782617066.4717 }, "end": { "local": "1952-04-29T13:11:03+08:00", "utc": "1952-04-29T05:11:03Z", "ms": -557779737066.4717 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:13 on Mon 28 Apr to 17:57 on Tue 29 Apr.", "fact": "1952-04-28T08:13:10Z → 1952-04-29T09:57:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 28th, 12:23–13:11 on the 29th.", "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 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10918 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Qingyang, 1952: Tuesday 29 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-04-29", "confidence": "determinate" } ], "quote": "In Qingyang, Śaṅkara Jayantī 1952 falls on Tuesday 29 April. Pañcamī runs from 16:13 on Mon 28 Apr to 17:57 on Tue 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25147, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1952-04-30T20:10:02+08:00", "utc": "1952-04-30T12:10:02Z", "ms": -557668198320.6469 }, "end": { "local": "1952-05-01T22:40:30+08:00", "utc": "1952-05-01T14:40:30Z", "ms": -557572770468.19 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-04-30T20:10:02+08:00", "utc": "1952-04-30T12:10:02Z", "ms": -557668198320.6469 }, "end": { "local": "1952-05-01T22:40:30+08:00", "utc": "1952-05-01T14:40:30Z", "ms": -557572770468.19 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-04-30", "window": { "start": { "local": "1952-04-30T12:22:55+08:00", "utc": "1952-04-30T04:22:55Z", "ms": -557696225376.645 }, "end": { "local": "1952-04-30T13:10:55+08:00", "utc": "1952-04-30T05:10:55Z", "ms": -557693345376.645 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-05-01", "window": { "start": { "local": "1952-05-01T12:22:47+08:00", "utc": "1952-05-01T04:22:47Z", "ms": -557609833180.6523 }, "end": { "local": "1952-05-01T13:10:47+08:00", "utc": "1952-05-01T05:10:47Z", "ms": -557606953180.6523 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:10 on Wed 30 Apr to 22:40 on Thu 1 May.", "fact": "1952-04-30T12:10:02Z → 1952-05-01T14:40:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 30th, 12:23–13:11 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25147 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Qingyang, 1952: Thursday 1 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-01", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṅgotpatti (Ganga Saptami) 1952 falls on Thursday 1 May. Saptamī runs from 20:10 on Wed 30 Apr to 22:40 on Thu 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-05-06", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1826, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-05-05T05:23:31+08:00", "utc": "1952-05-04T21:23:31Z", "ms": -557289389492.7134 }, "end": { "local": "1952-05-06T06:35:55+08:00", "utc": "1952-05-05T22:35:55Z", "ms": -557198644543.7874 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-05T05:23:31+08:00", "utc": "1952-05-04T21:23:31Z", "ms": -557289389492.7134 }, "end": { "local": "1952-05-06T06:35:55+08:00", "utc": "1952-05-05T22:35:55Z", "ms": -557198644543.7874 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-05-05", "window": { "start": { "local": "1952-05-05T05:53:57+08:00", "utc": "1952-05-04T21:53:57Z", "ms": -557287563404.6445 }, "end": { "local": "1952-05-05T05:53:57+08:00", "utc": "1952-05-04T21:53:57Z", "ms": -557287563404.6445 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-05-06", "window": { "start": { "local": "1952-05-06T05:52:56+08:00", "utc": "1952-05-05T21:52:56Z", "ms": -557201223623.0513 }, "end": { "local": "1952-05-06T05:52:56+08:00", "utc": "1952-05-05T21:52:56Z", "ms": -557201223623.0513 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:24 on Mon 5 May to 06:36 on Tue 6 May.", "fact": "1952-05-04T21:23:31Z → 1952-05-05T22:35:55Z" }, { "step": "kaala", "text": "Sunrise is at 05:54 on the 5th and 05:53 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 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1826 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Qingyang, 1952: Tuesday 6 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-06", "confidence": "determinate" } ], "quote": "In Qingyang, Mohinī Ekādaśī 1952 falls on Tuesday 6 May. Ekādaśī runs from 05:24 on Mon 5 May to 06:36 on Tue 6 May and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-05-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19082, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1952-05-06T06:35:55+08:00", "utc": "1952-05-05T22:35:55Z", "ms": -557198644543.7874 }, "end": { "local": "1952-05-07T07:04:09+08:00", "utc": "1952-05-06T23:04:09Z", "ms": -557110551127.0594 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-06T06:35:55+08:00", "utc": "1952-05-05T22:35:55Z", "ms": -557198644543.7874 }, "end": { "local": "1952-05-07T07:04:09+08:00", "utc": "1952-05-06T23:04:09Z", "ms": -557110551127.0594 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-05-06", "window": { "start": { "local": "1952-05-06T12:22:16+08:00", "utc": "1952-05-06T04:22:16Z", "ms": -557177864389.5785 }, "end": { "local": "1952-05-06T13:10:16+08:00", "utc": "1952-05-06T05:10:16Z", "ms": -557174984389.5785 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-05-07", "window": { "start": { "local": "1952-05-07T12:22:11+08:00", "utc": "1952-05-07T04:22:11Z", "ms": -557091469026.6694 }, "end": { "local": "1952-05-07T13:10:11+08:00", "utc": "1952-05-07T05:10:11Z", "ms": -557088589026.6694 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:36 on Tue 6 May to 07:04 on Wed 7 May.", "fact": "1952-05-05T22:35:55Z → 1952-05-06T23:04:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 6th, 12:22–13:10 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19082 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Qingyang, 1952: Tuesday 6 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": "1952-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-06", "confidence": "determinate" } ], "quote": "In Qingyang, Paraśurāma Dvādaśī 1952 falls on Tuesday 6 May. Dvādaśī runs from 06:36 on Tue 6 May to 07:04 on Wed 7 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19082, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1952-05-06T06:35:55+08:00", "utc": "1952-05-05T22:35:55Z", "ms": -557198644543.7874 }, "end": { "local": "1952-05-07T07:04:09+08:00", "utc": "1952-05-06T23:04:09Z", "ms": -557110551127.0594 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-06T06:35:55+08:00", "utc": "1952-05-05T22:35:55Z", "ms": -557198644543.7874 }, "end": { "local": "1952-05-07T07:04:09+08:00", "utc": "1952-05-06T23:04:09Z", "ms": -557110551127.0594 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-05-06", "window": { "start": { "local": "1952-05-06T12:22:16+08:00", "utc": "1952-05-06T04:22:16Z", "ms": -557177864389.5785 }, "end": { "local": "1952-05-06T13:10:16+08:00", "utc": "1952-05-06T05:10:16Z", "ms": -557174984389.5785 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-05-07", "window": { "start": { "local": "1952-05-07T12:22:11+08:00", "utc": "1952-05-07T04:22:11Z", "ms": -557091469026.6694 }, "end": { "local": "1952-05-07T13:10:11+08:00", "utc": "1952-05-07T05:10:11Z", "ms": -557088589026.6694 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:36 on Tue 6 May to 07:04 on Wed 7 May.", "fact": "1952-05-05T22:35:55Z → 1952-05-06T23:04:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 6th, 12:22–13:10 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19082 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Qingyang, 1952: Tuesday 6 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": "1952-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-06", "confidence": "determinate" } ], "quote": "In Qingyang, Rukmiṇī Dvādaśī 1952 falls on Tuesday 6 May. Dvādaśī runs from 06:36 on Tue 6 May to 07:04 on Wed 7 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/pradosha-vrata?on=1952-05-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35141, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-05-07T07:04:09+08:00", "utc": "1952-05-06T23:04:09Z", "ms": -557110551127.0594 }, "end": { "local": "1952-05-08T06:47:30+08:00", "utc": "1952-05-07T22:47:30Z", "ms": -557025150138.3109 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-07T07:04:09+08:00", "utc": "1952-05-06T23:04:09Z", "ms": -557110551127.0594 }, "end": { "local": "1952-05-08T06:47:30+08:00", "utc": "1952-05-07T22:47:30Z", "ms": -557025150138.3109 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-05-06", "window": { "start": { "local": "1952-05-06T19:39:35+08:00", "utc": "1952-05-06T11:39:35Z", "ms": -557151625156.1057 }, "end": { "local": "1952-05-06T21:01:14+08:00", "utc": "1952-05-06T13:01:14Z", "ms": -557146726152.1705 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1952-05-07", "window": { "start": { "local": "1952-05-07T19:40:25+08:00", "utc": "1952-05-07T11:40:25Z", "ms": -557065175426.7467 }, "end": { "local": "1952-05-07T21:01:49+08:00", "utc": "1952-05-07T13:01:49Z", "ms": -557060290754.9462 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:04 on Wed 7 May to 06:47 on Thu 8 May.", "fact": "1952-05-06T23:04:09Z → 1952-05-07T22:47:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:40–21:01 on the 6th, 19:40–21:02 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 0 of 82 minutes on the 6th and 81 of 81 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 35141 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1952: Wednesday 7 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-07", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1952 falls on Wednesday 7 May. Trayodaśī runs from 07:04 on Wed 7 May to 06:47 on Thu 8 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31614, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-05-08T06:47:30+08:00", "utc": "1952-05-07T22:47:30Z", "ms": -557025150138.3109 }, "end": { "local": "1952-05-09T05:49:19+08:00", "utc": "1952-05-08T21:49:19Z", "ms": -556942241104.4889 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-08T06:47:30+08:00", "utc": "1952-05-07T22:47:30Z", "ms": -557025150138.3109 }, "end": { "local": "1952-05-09T05:49:19+08:00", "utc": "1952-05-08T21:49:19Z", "ms": -556942241104.4889 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-05-07", "window": { "start": { "local": "1952-05-07T19:40:25+08:00", "utc": "1952-05-07T11:40:25Z", "ms": -557065175426.7467 }, "end": { "local": "1952-05-07T21:01:49+08:00", "utc": "1952-05-07T13:01:49Z", "ms": -557060290754.9462 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "1952-05-08", "window": { "start": { "local": "1952-05-08T19:41:14+08:00", "utc": "1952-05-08T11:41:14Z", "ms": -556978725841.4159 }, "end": { "local": "1952-05-08T21:02:25+08:00", "utc": "1952-05-08T13:02:25Z", "ms": -556973855313.3491 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:47 on Thu 8 May to 05:49 on Fri 9 May.", "fact": "1952-05-07T22:47:30Z → 1952-05-08T21:49:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:40–21:02 on the 7th, 19:41–21:02 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 81 minutes on the 7th and 81 of 81 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31614 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Qingyang, 1952: Thursday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-08", "confidence": "determinate" } ], "quote": "In Qingyang, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1952 falls on Thursday 8 May. Caturdaśī runs from 06:47 on Thu 8 May to 05:49 on Fri 9 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23564, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-05-09T05:49:19+08:00", "utc": "1952-05-08T21:49:19Z", "ms": -556942241104.4889 }, "end": { "local": "1952-05-10T04:15:46+08:00", "utc": "1952-05-09T20:15:46Z", "ms": -556861454013.5695 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-09T05:49:19+08:00", "utc": "1952-05-08T21:49:19Z", "ms": -556942241104.4889 }, "end": { "local": "1952-05-10T04:15:46+08:00", "utc": "1952-05-09T20:15:46Z", "ms": -556861454013.5695 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-05-09", "window": { "start": { "local": "1952-05-09T12:22:03+08:00", "utc": "1952-05-09T04:22:03Z", "ms": -556918676647.8003 }, "end": { "local": "1952-05-09T13:10:03+08:00", "utc": "1952-05-09T05:10:03Z", "ms": -556915796647.8003 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-05-10", "window": { "start": { "local": "1952-05-10T12:22:00+08:00", "utc": "1952-05-10T04:22:00Z", "ms": -556832279620.4775 }, "end": { "local": "1952-05-10T13:10:00+08:00", "utc": "1952-05-10T05:10:00Z", "ms": -556829399620.4775 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:49 on Fri 9 May to 04:16 on Sat 10 May.", "fact": "1952-05-08T21:49:19Z → 1952-05-09T20:15:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 9th, 12:22–13:10 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23564 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Qingyang, 1952: Friday 9 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-09", "confidence": "determinate" } ], "quote": "In Qingyang, Buddha Pūrṇimā 1952 falls on Friday 9 May. Pūrṇimā runs from 05:49 on Fri 9 May to 04:16 on Sat 10 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23564, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-05-09T05:49:19+08:00", "utc": "1952-05-08T21:49:19Z", "ms": -556942241104.4889 }, "end": { "local": "1952-05-10T04:15:46+08:00", "utc": "1952-05-09T20:15:46Z", "ms": -556861454013.5695 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-09T05:49:19+08:00", "utc": "1952-05-08T21:49:19Z", "ms": -556942241104.4889 }, "end": { "local": "1952-05-10T04:15:46+08:00", "utc": "1952-05-09T20:15:46Z", "ms": -556861454013.5695 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-05-09", "window": { "start": { "local": "1952-05-09T12:22:03+08:00", "utc": "1952-05-09T04:22:03Z", "ms": -556918676647.8003 }, "end": { "local": "1952-05-09T13:10:03+08:00", "utc": "1952-05-09T05:10:03Z", "ms": -556915796647.8003 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-05-10", "window": { "start": { "local": "1952-05-10T12:22:00+08:00", "utc": "1952-05-10T04:22:00Z", "ms": -556832279620.4775 }, "end": { "local": "1952-05-10T13:10:00+08:00", "utc": "1952-05-10T05:10:00Z", "ms": -556829399620.4775 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:49 on Fri 9 May to 04:16 on Sat 10 May.", "fact": "1952-05-08T21:49:19Z → 1952-05-09T20:15:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 9th, 12:22–13:10 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23564 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Qingyang, 1952: Friday 9 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-09", "confidence": "determinate" } ], "quote": "In Qingyang, Sampat Gaurī Vrata 1952 falls on Friday 9 May. Pūrṇimā runs from 05:49 on Fri 9 May to 04:16 on Sat 10 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/sankashta-chaturthi?on=1952-05-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5414, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-05-12T21:23:18+08:00", "utc": "1952-05-12T13:23:18Z", "ms": -556627001662.6534 }, "end": { "local": "1952-05-13T18:48:49+08:00", "utc": "1952-05-13T10:48:49Z", "ms": -556549871416.4723 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-12T21:23:18+08:00", "utc": "1952-05-12T13:23:18Z", "ms": -556627001662.6534 }, "end": { "local": "1952-05-13T18:48:49+08:00", "utc": "1952-05-13T10:48:49Z", "ms": -556549871416.4723 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-05-12", "window": { "start": { "local": "1952-05-12T22:53:33+08:00", "utc": "1952-05-12T14:53:33Z", "ms": -556621587256.9327 }, "end": { "local": "1952-05-12T22:53:33+08:00", "utc": "1952-05-12T14:53:33Z", "ms": -556621587256.9327 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-05-13", "window": { "start": { "local": "1952-05-13T23:50:12+08:00", "utc": "1952-05-13T15:50:12Z", "ms": -556531788297.5536 }, "end": { "local": "1952-05-13T23:50:12+08:00", "utc": "1952-05-13T15:50:12Z", "ms": -556531788297.5536 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:23 on Mon 12 May to 18:49 on Tue 13 May.", "fact": "1952-05-12T13:23:18Z → 1952-05-13T10:48:49Z" }, { "step": "kaala", "text": "Moonrise is at 22:54 on the 12th and 23:50 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5414 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1952: Monday 12 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-12", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1952 falls on Monday 12 May. Caturthī runs from 21:23 on Mon 12 May to 18:49 on Tue 13 May and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/sankashta-chaturthi?on=1952-05-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/ekadashi?on=1952-05-19", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1890, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-05-19T06:24:45+08:00", "utc": "1952-05-18T22:24:45Z", "ms": -556076115123.0471 }, "end": { "local": "1952-05-20T05:09:43+08:00", "utc": "1952-05-19T21:09:43Z", "ms": -555994217059.8917 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-19T06:24:45+08:00", "utc": "1952-05-18T22:24:45Z", "ms": -556076115123.0471 }, "end": { "local": "1952-05-20T05:09:43+08:00", "utc": "1952-05-19T21:09:43Z", "ms": -555994217059.8917 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-05-19", "window": { "start": { "local": "1952-05-19T05:41:54+08:00", "utc": "1952-05-18T21:41:54Z", "ms": -556078686087.4995 }, "end": { "local": "1952-05-19T05:41:54+08:00", "utc": "1952-05-18T21:41:54Z", "ms": -556078686087.4995 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-05-20", "window": { "start": { "local": "1952-05-20T05:41:13+08:00", "utc": "1952-05-19T21:41:13Z", "ms": -555992326886.502 }, "end": { "local": "1952-05-20T05:41:13+08:00", "utc": "1952-05-19T21:41:13Z", "ms": -555992326886.502 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:25 on Mon 19 May to 05:10 on Tue 20 May.", "fact": "1952-05-18T22:24:45Z → 1952-05-19T21:09:43Z" }, { "step": "kaala", "text": "Sunrise is at 05:42 on the 19th and 05:41 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not 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": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 1890 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Qingyang, 1952: Monday 19 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": "1952-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-19", "confidence": "determinate" } ], "quote": "In Qingyang, Aparā Ekādaśī 1952 falls on Monday 19 May. Ekādaśī runs from 06:25 on Mon 19 May to 05:10 on Tue 20 May, and is current at sunrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-05-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-05-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22996, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-05-21T04:11:48+08:00", "utc": "1952-05-20T20:11:48Z", "ms": -555911292175.6935 }, "end": { "local": "1952-05-22T03:33:20+08:00", "utc": "1952-05-21T19:33:20Z", "ms": -555827200161.2767 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-21T04:11:48+08:00", "utc": "1952-05-20T20:11:48Z", "ms": -555911292175.6935 }, "end": { "local": "1952-05-22T03:33:20+08:00", "utc": "1952-05-21T19:33:20Z", "ms": -555827200161.2767 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-05-20", "window": { "start": { "local": "1952-05-20T19:50:51+08:00", "utc": "1952-05-20T11:50:51Z", "ms": -555941348738.2513 }, "end": { "local": "1952-05-20T21:09:29+08:00", "utc": "1952-05-20T13:09:29Z", "ms": -555936631056.7913 } }, "covered_min": 0, "window_min": 79, "qualifies": false }, { "local_date": "1952-05-21", "window": { "start": { "local": "1952-05-21T19:51:37+08:00", "utc": "1952-05-21T11:51:37Z", "ms": -555854902899.0481 }, "end": { "local": "1952-05-21T21:10:04+08:00", "utc": "1952-05-21T13:10:04Z", "ms": -555850196351.8976 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:12 on Wed 21 May to 03:33 on Thu 22 May.", "fact": "1952-05-20T20:11:48Z → 1952-05-21T19:33:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:51–21:09 on the 20th, 19:52–21:10 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 79 minutes on the 20th and 78 of 78 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 22996 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1952: Wednesday 21 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-21", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1952 falls on Wednesday 21 May. Trayodaśī runs from 04:12 on Wed 21 May to 03:33 on Thu 22 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-05-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/shivaratri?on=1952-05-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7657, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-05-22T03:33:20+08:00", "utc": "1952-05-21T19:33:20Z", "ms": -555827200161.2767 }, "end": { "local": "1952-05-23T03:17:28+08:00", "utc": "1952-05-22T19:17:28Z", "ms": -555741751930.4904 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-22T03:33:20+08:00", "utc": "1952-05-21T19:33:20Z", "ms": -555827200161.2767 }, "end": { "local": "1952-05-23T03:17:28+08:00", "utc": "1952-05-22T19:17:28Z", "ms": -555741751930.4904 } }, "kaala": "nishita", "days": [ { "local_date": "1952-05-21", "window": { "start": { "local": "1952-05-22T00:21:47+08:00", "utc": "1952-05-21T16:21:47Z", "ms": -555838693347.2334 }, "end": { "local": "1952-05-22T01:09:47+08:00", "utc": "1952-05-21T17:09:47Z", "ms": -555835813347.2334 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-05-22", "window": { "start": { "local": "1952-05-23T00:21:51+08:00", "utc": "1952-05-22T16:21:51Z", "ms": -555752288717.1672 }, "end": { "local": "1952-05-23T01:09:51+08:00", "utc": "1952-05-22T17:09:51Z", "ms": -555749408717.1672 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:33 on Thu 22 May to 03:17 on Fri 23 May.", "fact": "1952-05-21T19:33:20Z → 1952-05-22T19:17:28Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 21st, 00:22–01:10 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7657 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1952: Thursday 22 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-22", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1952 falls on Thursday 22 May. Caturdaśī runs from 03:33 on Thu 22 May to 03:17 on Fri 23 May and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/shivaratri?on=1952-05-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19301, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1952-05-26T05:18:44+08:00", "utc": "1952-05-25T21:18:44Z", "ms": -555475276172.145 }, "end": { "local": "1952-05-27T07:00:55+08:00", "utc": "1952-05-26T23:00:55Z", "ms": -555382744593.0127 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-26T05:18:44+08:00", "utc": "1952-05-25T21:18:44Z", "ms": -555475276172.145 }, "end": { "local": "1952-05-27T07:00:55+08:00", "utc": "1952-05-26T23:00:55Z", "ms": -555382744593.0127 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-05-26", "window": { "start": { "local": "1952-05-26T12:22:30+08:00", "utc": "1952-05-26T04:22:30Z", "ms": -555449850207.8271 }, "end": { "local": "1952-05-26T13:10:30+08:00", "utc": "1952-05-26T05:10:30Z", "ms": -555446970207.8271 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-05-27", "window": { "start": { "local": "1952-05-27T12:22:36+08:00", "utc": "1952-05-27T04:22:36Z", "ms": -555363443882.5542 }, "end": { "local": "1952-05-27T13:10:36+08:00", "utc": "1952-05-27T05:10:36Z", "ms": -555360563882.5542 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 05:19 on Mon 26 May to 07:01 on Tue 27 May.", "fact": "1952-05-25T21:18:44Z → 1952-05-26T23:00:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 26th, 12:23–13:11 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 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19301 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Qingyang, 1952: Monday 26 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-26", "confidence": "determinate" } ], "quote": "In Qingyang, Rambhā Tṛtīyā 1952 falls on Monday 26 May. Tṛtīyā runs from 05:19 on Mon 26 May to 07:01 on Tue 27 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/vinayaka-chaturthi?on=1952-05-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11553, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-05-27T07:00:55+08:00", "utc": "1952-05-26T23:00:55Z", "ms": -555382744593.0127 }, "end": { "local": "1952-05-28T09:10:10+08:00", "utc": "1952-05-28T01:10:10Z", "ms": -555288589735.7367 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-27T07:00:55+08:00", "utc": "1952-05-26T23:00:55Z", "ms": -555382744593.0127 }, "end": { "local": "1952-05-28T09:10:10+08:00", "utc": "1952-05-28T01:10:10Z", "ms": -555288589735.7367 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-05-27", "window": { "start": { "local": "1952-05-27T12:22:36+08:00", "utc": "1952-05-27T04:22:36Z", "ms": -555363443882.5542 }, "end": { "local": "1952-05-27T13:10:36+08:00", "utc": "1952-05-27T05:10:36Z", "ms": -555360563882.5542 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-05-28", "window": { "start": { "local": "1952-05-28T12:22:43+08:00", "utc": "1952-05-28T04:22:43Z", "ms": -555277037104.0781 }, "end": { "local": "1952-05-28T13:10:43+08:00", "utc": "1952-05-28T05:10:43Z", "ms": -555274157104.0781 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:01 on Tue 27 May to 09:10 on Wed 28 May.", "fact": "1952-05-26T23:00:55Z → 1952-05-28T01:10:10Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11553 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1952: Tuesday 27 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": "1952-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-27", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1952 falls on Tuesday 27 May. Caturthī runs from 07:01 on Tue 27 May to 09:10 on Wed 28 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/vinayaka-chaturthi?on=1952-05-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2668, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1952-05-29T11:38:22+08:00", "utc": "1952-05-29T03:38:22Z", "ms": -555193297858.2174 }, "end": { "local": "1952-05-30T14:13:26+08:00", "utc": "1952-05-30T06:13:26Z", "ms": -555097593743.8209 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-29T11:38:22+08:00", "utc": "1952-05-29T03:38:22Z", "ms": -555193297858.2174 }, "end": { "local": "1952-05-30T14:13:26+08:00", "utc": "1952-05-30T06:13:26Z", "ms": -555097593743.8209 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-05-29", "window": { "start": { "local": "1952-05-29T12:22:50+08:00", "utc": "1952-05-29T04:22:50Z", "ms": -555190629887.904 }, "end": { "local": "1952-05-29T13:10:50+08:00", "utc": "1952-05-29T05:10:50Z", "ms": -555187749887.904 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-05-30", "window": { "start": { "local": "1952-05-30T12:22:58+08:00", "utc": "1952-05-30T04:22:58Z", "ms": -555104222249.7393 }, "end": { "local": "1952-05-30T13:10:58+08:00", "utc": "1952-05-30T05:10:58Z", "ms": -555101342249.7393 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:38 on Thu 29 May to 14:13 on Fri 30 May.", "fact": "1952-05-29T03:38:22Z → 1952-05-30T06:13:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 29th, 12:23–13:11 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 48 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 2668 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Qingyang, 1952: Thursday 29 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-29", "confidence": "boundary" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1952 falls on Thursday 29 May. Ṣaṣṭhī runs from 11:38 on Thu 29 May to 14:13 on Fri 30 May 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/1952/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/1952/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2668, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1952-05-29T11:38:22+08:00", "utc": "1952-05-29T03:38:22Z", "ms": -555193297858.2174 }, "end": { "local": "1952-05-30T14:13:26+08:00", "utc": "1952-05-30T06:13:26Z", "ms": -555097593743.8209 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1952-05-29T11:38:22+08:00", "utc": "1952-05-29T03:38:22Z", "ms": -555193297858.2174 }, "end": { "local": "1952-05-30T14:13:26+08:00", "utc": "1952-05-30T06:13:26Z", "ms": -555097593743.8209 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-05-29", "window": { "start": { "local": "1952-05-29T12:22:50+08:00", "utc": "1952-05-29T04:22:50Z", "ms": -555190629887.904 }, "end": { "local": "1952-05-29T13:10:50+08:00", "utc": "1952-05-29T05:10:50Z", "ms": -555187749887.904 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-05-30", "window": { "start": { "local": "1952-05-30T12:22:58+08:00", "utc": "1952-05-30T04:22:58Z", "ms": -555104222249.7393 }, "end": { "local": "1952-05-30T13:10:58+08:00", "utc": "1952-05-30T05:10:58Z", "ms": -555101342249.7393 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:38 on Thu 29 May to 14:13 on Fri 30 May.", "fact": "1952-05-29T03:38:22Z → 1952-05-30T06:13:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 29th, 12:23–13:11 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 48 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 2668 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Qingyang, 1952: Friday 30 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-05-30", "confidence": "boundary" } ], "quote": "In Qingyang, Araṇya Gaurī Vrata 1952 falls on Friday 30 May. Ṣaṣṭhī runs from 11:38 on Thu 29 May to 14:13 on Fri 30 May and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-06-04", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31185, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-06-03T20:54:29+08:00", "utc": "1952-06-03T12:54:29Z", "ms": -554727931078.1224 }, "end": { "local": "1952-06-04T20:47:02+08:00", "utc": "1952-06-04T12:47:02Z", "ms": -554641977847.0436 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1952-06-03T20:54:29+08:00", "utc": "1952-06-03T12:54:29Z", "ms": -554727931078.1224 }, "end": { "local": "1952-06-04T20:47:02+08:00", "utc": "1952-06-04T12:47:02Z", "ms": -554641977847.0436 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-06-04", "window": { "start": { "local": "1952-06-04T05:34:14+08:00", "utc": "1952-06-03T21:34:14Z", "ms": -554696745725.4368 }, "end": { "local": "1952-06-04T05:34:14+08:00", "utc": "1952-06-03T21:34:14Z", "ms": -554696745725.4368 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-06-05", "window": { "start": { "local": "1952-06-05T05:34:00+08:00", "utc": "1952-06-04T21:34:00Z", "ms": -554610360420.6243 }, "end": { "local": "1952-06-05T05:34:00+08:00", "utc": "1952-06-04T21:34:00Z", "ms": -554610360420.6243 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:54 on Tue 3 Jun to 20:47 on Wed 4 Jun.", "fact": "1952-06-03T12:54:29Z → 1952-06-04T12:47:02Z" }, { "step": "kaala", "text": "Sunrise is at 05:34 on the 4th and 05:34 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31185 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Qingyang, 1952: Wednesday 4 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-06-04", "confidence": "determinate" } ], "quote": "In Qingyang, Nirjalā Ekādaśī 1952 falls on Wednesday 4 June. Ekādaśī runs from 20:54 on Tue 3 Jun to 20:47 on Wed 4 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-06-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23927, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1952-06-04T20:47:02+08:00", "utc": "1952-06-04T12:47:02Z", "ms": -554641977847.0436 }, "end": { "local": "1952-06-05T19:50:39+08:00", "utc": "1952-06-05T11:50:39Z", "ms": -554558961175.5697 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1952-06-04T20:47:02+08:00", "utc": "1952-06-04T12:47:02Z", "ms": -554641977847.0436 }, "end": { "local": "1952-06-05T19:50:39+08:00", "utc": "1952-06-05T11:50:39Z", "ms": -554558961175.5697 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-06-04", "window": { "start": { "local": "1952-06-04T12:23:42+08:00", "utc": "1952-06-04T04:23:42Z", "ms": -554672178289.1589 }, "end": { "local": "1952-06-04T13:11:42+08:00", "utc": "1952-06-04T05:11:42Z", "ms": -554669298289.1589 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-06-05", "window": { "start": { "local": "1952-06-05T12:23:52+08:00", "utc": "1952-06-05T04:23:52Z", "ms": -554585768455.4834 }, "end": { "local": "1952-06-05T13:11:52+08:00", "utc": "1952-06-05T05:11:52Z", "ms": -554582888455.4834 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:47 on Wed 4 Jun to 19:51 on Thu 5 Jun.", "fact": "1952-06-04T12:47:02Z → 1952-06-05T11:50:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 4th, 12:24–13:12 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23927 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Qingyang, 1952: Thursday 5 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-06-05", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Rāma Dvādaśī 1952 falls on Thursday 5 June. Dvādaśī runs from 20:47 on Wed 4 Jun to 19:51 on Thu 5 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/pradosha-vrata?on=1952-06-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 665, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-06-05T19:50:39+08:00", "utc": "1952-06-05T11:50:39Z", "ms": -554558961175.5697 }, "end": { "local": "1952-06-06T18:09:57+08:00", "utc": "1952-06-06T10:09:57Z", "ms": -554478602946.7996 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1952-06-05T19:50:39+08:00", "utc": "1952-06-05T11:50:39Z", "ms": -554558961175.5697 }, "end": { "local": "1952-06-06T18:09:57+08:00", "utc": "1952-06-06T10:09:57Z", "ms": -554478602946.7996 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-06-05", "window": { "start": { "local": "1952-06-05T20:01:44+08:00", "utc": "1952-06-05T12:01:44Z", "ms": -554558296490.3427 }, "end": { "local": "1952-06-05T21:18:00+08:00", "utc": "1952-06-05T13:18:00Z", "ms": -554553720083.5898 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "1952-06-06", "window": { "start": { "local": "1952-06-06T20:02:17+08:00", "utc": "1952-06-06T12:02:17Z", "ms": -554471863183.0056 }, "end": { "local": "1952-06-06T21:18:27+08:00", "utc": "1952-06-06T13:18:27Z", "ms": -554467292729.5568 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:51 on Thu 5 Jun to 18:10 on Fri 6 Jun.", "fact": "1952-06-05T11:50:39Z → 1952-06-06T10:09:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:02–21:18 on the 5th, 20:02–21:18 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 76 of 76 minutes on the 5th and 0 of 76 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 665 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1952: Thursday 5 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": "1952-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-06-05", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1952 falls on Thursday 5 June. Trayodaśī runs from 19:51 on Thu 5 Jun to 18:10 on Fri 6 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-06-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15028, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-06-07T15:52:21+08:00", "utc": "1952-06-07T07:52:21Z", "ms": -554400459176.3888 }, "end": { "local": "1952-06-08T13:06:52+08:00", "utc": "1952-06-08T05:06:52Z", "ms": -554323988238.8557 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1952-06-07T15:52:21+08:00", "utc": "1952-06-07T07:52:21Z", "ms": -554400459176.3888 }, "end": { "local": "1952-06-08T13:06:52+08:00", "utc": "1952-06-08T05:06:52Z", "ms": -554323988238.8557 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-06-07", "window": { "start": { "local": "1952-06-07T20:02:49+08:00", "utc": "1952-06-07T12:02:49Z", "ms": -554385430961.7417 }, "end": { "local": "1952-06-07T21:18:54+08:00", "utc": "1952-06-07T13:18:54Z", "ms": -554380866093.2385 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "1952-06-08", "window": { "start": { "local": "1952-06-08T20:03:20+08:00", "utc": "1952-06-08T12:03:20Z", "ms": -554298999856.5144 }, "end": { "local": "1952-06-08T21:19:20+08:00", "utc": "1952-06-08T13:19:20Z", "ms": -554294440200.6631 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:52 on Sat 7 Jun to 13:07 on Sun 8 Jun.", "fact": "1952-06-07T07:52:21Z → 1952-06-08T05:06:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:03–21:19 on the 7th, 20:03–21:19 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 76 of 76 minutes on the 7th and 0 of 76 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15028 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Qingyang, 1952: Saturday 7 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vata-savitri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-06-07", "confidence": "determinate" } ], "quote": "In Qingyang, Vaṭa Sāvitrī Vrata 1952 falls on Saturday 7 June. Pūrṇimā runs from 15:52 on Sat 7 Jun to 13:07 on Sun 8 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/sankashta-chaturthi?on=1952-06-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4932, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-06-11T03:39:30+08:00", "utc": "1952-06-10T19:39:30Z", "ms": -554098829833.015 }, "end": { "local": "1952-06-12T00:36:36+08:00", "utc": "1952-06-11T16:36:36Z", "ms": -554023403885.2968 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-06-11T03:39:30+08:00", "utc": "1952-06-10T19:39:30Z", "ms": -554098829833.015 }, "end": { "local": "1952-06-12T00:36:36+08:00", "utc": "1952-06-11T16:36:36Z", "ms": -554023403885.2968 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-06-10", "window": { "start": { "local": "1952-06-10T22:31:33+08:00", "utc": "1952-06-10T14:31:33Z", "ms": -554117306826.6892 }, "end": { "local": "1952-06-10T22:31:33+08:00", "utc": "1952-06-10T14:31:33Z", "ms": -554117306826.6892 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-06-11", "window": { "start": { "local": "1952-06-11T23:14:25+08:00", "utc": "1952-06-11T15:14:25Z", "ms": -554028335449.1594 }, "end": { "local": "1952-06-11T23:14:25+08:00", "utc": "1952-06-11T15:14:25Z", "ms": -554028335449.1594 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:40 on Wed 11 Jun to 00:37 on Thu 12 Jun.", "fact": "1952-06-10T19:39:30Z → 1952-06-11T16:36:36Z" }, { "step": "kaala", "text": "Moonrise is at 22:32 on the 10th and 23:14 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 10th and is on the 11th.", "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 4932 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1952: Wednesday 11 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": "1952-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-06-11", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1952 falls on Wednesday 11 June. Caturthī runs from 03:40 on Wed 11 Jun to 00:37 on Thu 12 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/sankashta-chaturthi?on=1952-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/ekadashi?on=1952-06-18", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28782, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-06-17T13:49:47+08:00", "utc": "1952-06-17T05:49:47Z", "ms": -553543813407.4702 }, "end": { "local": "1952-06-18T13:33:03+08:00", "utc": "1952-06-18T05:33:03Z", "ms": -553458417399.0997 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-06-17T13:49:47+08:00", "utc": "1952-06-17T05:49:47Z", "ms": -553543813407.4702 }, "end": { "local": "1952-06-18T13:33:03+08:00", "utc": "1952-06-18T05:33:03Z", "ms": -553458417399.0997 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-06-17", "window": { "start": { "local": "1952-06-17T05:33:14+08:00", "utc": "1952-06-16T21:33:14Z", "ms": -553573606410.4513 }, "end": { "local": "1952-06-17T05:33:14+08:00", "utc": "1952-06-16T21:33:14Z", "ms": -553573606410.4513 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-06-18", "window": { "start": { "local": "1952-06-18T05:33:20+08:00", "utc": "1952-06-17T21:33:20Z", "ms": -553487199552.8912 }, "end": { "local": "1952-06-18T05:33:20+08:00", "utc": "1952-06-17T21:33:20Z", "ms": -553487199552.8912 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:50 on Tue 17 Jun to 13:33 on Wed 18 Jun.", "fact": "1952-06-17T05:49:47Z → 1952-06-18T05:33:03Z" }, { "step": "kaala", "text": "Sunrise is at 05:33 on the 17th and 05:33 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28782 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Qingyang, 1952: Wednesday 18 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-06-18", "confidence": "determinate" } ], "quote": "In Qingyang, Yoginī Ekādaśī 1952 falls on Wednesday 18 June. Ekādaśī runs from 13:50 on Tue 17 Jun to 13:33 on Wed 18 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-06-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-06-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21035, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-06-19T13:42:16+08:00", "utc": "1952-06-19T05:42:16Z", "ms": -553371463909.4902 }, "end": { "local": "1952-06-20T14:17:21+08:00", "utc": "1952-06-20T06:17:21Z", "ms": -553282959354.5592 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-06-19T13:42:16+08:00", "utc": "1952-06-19T05:42:16Z", "ms": -553371463909.4902 }, "end": { "local": "1952-06-20T14:17:21+08:00", "utc": "1952-06-20T06:17:21Z", "ms": -553282959354.5592 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-06-19", "window": { "start": { "local": "1952-06-19T20:07:40+08:00", "utc": "1952-06-19T12:07:40Z", "ms": -553348340022.3104 }, "end": { "local": "1952-06-19T21:23:08+08:00", "utc": "1952-06-19T13:23:08Z", "ms": -553343812169.6691 } }, "covered_min": 75, "window_min": 75, "qualifies": true }, { "local_date": "1952-06-20", "window": { "start": { "local": "1952-06-20T20:07:55+08:00", "utc": "1952-06-20T12:07:55Z", "ms": -553261924689.1676 }, "end": { "local": "1952-06-20T21:23:23+08:00", "utc": "1952-06-20T13:23:23Z", "ms": -553257397345.1522 } }, "covered_min": 0, "window_min": 75, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:42 on Thu 19 Jun to 14:17 on Fri 20 Jun.", "fact": "1952-06-19T05:42:16Z → 1952-06-20T06:17:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:08–21:23 on the 19th, 20:08–21:23 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 75 of 75 minutes on the 19th and 0 of 75 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 21035 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1952: Thursday 19 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": "1952-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-06-19", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1952 falls on Thursday 19 June. Trayodaśī runs from 13:42 on Thu 19 Jun to 14:17 on Fri 20 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-06-19", "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/1952/shivaratri?on=1952-06-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32926, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-06-20T14:17:21+08:00", "utc": "1952-06-20T06:17:21Z", "ms": -553282959354.5592 }, "end": { "local": "1952-06-21T15:18:20+08:00", "utc": "1952-06-21T07:18:20Z", "ms": -553192900077.9877 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-06-20T14:17:21+08:00", "utc": "1952-06-20T06:17:21Z", "ms": -553282959354.5592 }, "end": { "local": "1952-06-21T15:18:20+08:00", "utc": "1952-06-21T07:18:20Z", "ms": -553192900077.9877 } }, "kaala": "nishita", "days": [ { "local_date": "1952-06-20", "window": { "start": { "local": "1952-06-21T00:26:53+08:00", "utc": "1952-06-20T16:26:53Z", "ms": -553246387149.11 }, "end": { "local": "1952-06-21T01:14:53+08:00", "utc": "1952-06-20T17:14:53Z", "ms": -553243507149.11 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-06-21", "window": { "start": { "local": "1952-06-22T00:27:06+08:00", "utc": "1952-06-21T16:27:06Z", "ms": -553159973728.6198 }, "end": { "local": "1952-06-22T01:15:06+08:00", "utc": "1952-06-21T17:15:06Z", "ms": -553157093728.6198 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:17 on Fri 20 Jun to 15:18 on Sat 21 Jun.", "fact": "1952-06-20T06:17:21Z → 1952-06-21T07:18:20Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:27–01:15 on the 20th, 00:27–01:15 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32926 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1952: Friday 20 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-06-20", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1952 falls on Friday 20 June. Caturdaśī runs from 14:17 on Fri 20 Jun to 15:18 on Sat 21 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/shivaratri?on=1952-06-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19256, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1952-06-23T18:36:21+08:00", "utc": "1952-06-23T10:36:21Z", "ms": -553008219363.1571 }, "end": { "local": "1952-06-24T20:49:19+08:00", "utc": "1952-06-24T12:49:19Z", "ms": -552913841103.2064 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-06-23T18:36:21+08:00", "utc": "1952-06-23T10:36:21Z", "ms": -553008219363.1571 }, "end": { "local": "1952-06-24T20:49:19+08:00", "utc": "1952-06-24T12:49:19Z", "ms": -552913841103.2064 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-06-23", "window": { "start": { "local": "1952-06-23T12:27:25+08:00", "utc": "1952-06-23T04:27:25Z", "ms": -553030354983.8113 }, "end": { "local": "1952-06-23T13:15:25+08:00", "utc": "1952-06-23T05:15:25Z", "ms": -553027474983.8113 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-06-24", "window": { "start": { "local": "1952-06-24T12:27:38+08:00", "utc": "1952-06-24T04:27:38Z", "ms": -552943942453.2206 }, "end": { "local": "1952-06-24T13:15:38+08:00", "utc": "1952-06-24T05:15:38Z", "ms": -552941062453.2206 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 18:36 on Mon 23 Jun to 20:49 on Tue 24 Jun.", "fact": "1952-06-23T10:36:21Z → 1952-06-24T12:49:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 23rd, 12:28–13:16 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19256 s" }, { "step": "ruling", "text": "Rathayātrā, Qingyang, 1952: Tuesday 24 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-06-24", "confidence": "determinate" } ], "quote": "In Qingyang, Rathayātrā 1952 falls on Tuesday 24 June. Dvitīyā runs from 18:36 on Mon 23 Jun to 20:49 on Tue 24 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/vinayaka-chaturthi?on=1952-06-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36158, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-06-25T23:18:28+08:00", "utc": "1952-06-25T15:18:28Z", "ms": -552818492188.7968 }, "end": { "local": "1952-06-27T01:55:18+08:00", "utc": "1952-06-26T17:55:18Z", "ms": -552722682263.5222 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-06-25T23:18:28+08:00", "utc": "1952-06-25T15:18:28Z", "ms": -552818492188.7968 }, "end": { "local": "1952-06-27T01:55:18+08:00", "utc": "1952-06-26T17:55:18Z", "ms": -552722682263.5222 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-06-25", "window": { "start": { "local": "1952-06-25T12:27:50+08:00", "utc": "1952-06-25T04:27:50Z", "ms": -552857530022.9318 }, "end": { "local": "1952-06-25T13:15:50+08:00", "utc": "1952-06-25T05:15:50Z", "ms": -552854650022.9318 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-06-26", "window": { "start": { "local": "1952-06-26T12:28:02+08:00", "utc": "1952-06-26T04:28:02Z", "ms": -552771117719.1633 }, "end": { "local": "1952-06-26T13:16:02+08:00", "utc": "1952-06-26T05:16:02Z", "ms": -552768237719.1633 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:18 on Wed 25 Jun to 01:55 on Fri 27 Jun.", "fact": "1952-06-25T15:18:28Z → 1952-06-26T17:55:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 25th, 12:28–13:16 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36158 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1952: Thursday 26 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": "1952-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-06-26", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1952 falls on Thursday 26 June. Caturthī runs from 23:18 on Wed 25 Jun to 01:55 on Fri 27 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/vinayaka-chaturthi?on=1952-06-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28794, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1952-06-27T01:55:18+08:00", "utc": "1952-06-26T17:55:18Z", "ms": -552722682263.5222 }, "end": { "local": "1952-06-28T04:28:33+08:00", "utc": "1952-06-27T20:28:33Z", "ms": -552627087294.1245 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-06-27T01:55:18+08:00", "utc": "1952-06-26T17:55:18Z", "ms": -552722682263.5222 }, "end": { "local": "1952-06-28T04:28:33+08:00", "utc": "1952-06-27T20:28:33Z", "ms": -552627087294.1245 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-06-27", "window": { "start": { "local": "1952-06-27T12:28:14+08:00", "utc": "1952-06-27T04:28:14Z", "ms": -552684705567.5325 }, "end": { "local": "1952-06-27T13:16:14+08:00", "utc": "1952-06-27T05:16:14Z", "ms": -552681825567.5325 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-06-28", "window": { "start": { "local": "1952-06-28T12:28:26+08:00", "utc": "1952-06-28T04:28:26Z", "ms": -552598293592.9734 }, "end": { "local": "1952-06-28T13:16:26+08:00", "utc": "1952-06-28T05:16:26Z", "ms": -552595413592.9734 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 01:55 on Fri 27 Jun to 04:29 on Sat 28 Jun.", "fact": "1952-06-26T17:55:18Z → 1952-06-27T20:28:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 27th, 12:28–13:16 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28794 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Qingyang, 1952: Friday 27 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-06-27", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Pañcamī 1952 falls on Friday 27 June. Pañcamī runs from 01:55 on Fri 27 Jun to 04:29 on Sat 28 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14185, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1952-06-29T06:45:14+08:00", "utc": "1952-06-28T22:45:14Z", "ms": -552532486117.0474 }, "end": { "local": "1952-06-30T08:32:25+08:00", "utc": "1952-06-30T00:32:25Z", "ms": -552439655460.0486 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-06-29T06:45:14+08:00", "utc": "1952-06-28T22:45:14Z", "ms": -552532486117.0474 }, "end": { "local": "1952-06-30T08:32:25+08:00", "utc": "1952-06-30T00:32:25Z", "ms": -552439655460.0486 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-06-29", "window": { "start": { "local": "1952-06-29T12:28:38+08:00", "utc": "1952-06-29T04:28:38Z", "ms": -552511881819.6699 }, "end": { "local": "1952-06-29T13:16:38+08:00", "utc": "1952-06-29T05:16:38Z", "ms": -552509001819.6699 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-06-30", "window": { "start": { "local": "1952-06-30T12:28:50+08:00", "utc": "1952-06-30T04:28:50Z", "ms": -552425470270.9823 }, "end": { "local": "1952-06-30T13:16:50+08:00", "utc": "1952-06-30T05:16:50Z", "ms": -552422590270.9823 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:45 on Sun 29 Jun to 08:32 on Mon 30 Jun.", "fact": "1952-06-28T22:45:14Z → 1952-06-30T00:32:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 29th, 12:29–13:17 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 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: purvaviddha → only-day · margin 14185 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Qingyang, 1952: Sunday 29 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-06-29", "confidence": "determinate" } ], "quote": "In Qingyang, Vivasvat Saptamī 1952 falls on Sunday 29 June. Saptamī runs from 06:45 on Sun 29 Jun to 08:32 on Mon 30 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-07-04", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8783, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-07-03T09:26:12+08:00", "utc": "1952-07-03T01:26:12Z", "ms": -552177227937.4266 }, "end": { "local": "1952-07-04T08:04:49+08:00", "utc": "1952-07-04T00:04:49Z", "ms": -552095711275.2385 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-07-03T09:26:12+08:00", "utc": "1952-07-03T01:26:12Z", "ms": -552177227937.4266 }, "end": { "local": "1952-07-04T08:04:49+08:00", "utc": "1952-07-04T00:04:49Z", "ms": -552095711275.2385 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-07-03", "window": { "start": { "local": "1952-07-03T05:37:57+08:00", "utc": "1952-07-02T21:37:57Z", "ms": -552190922997.8442 }, "end": { "local": "1952-07-03T05:37:57+08:00", "utc": "1952-07-02T21:37:57Z", "ms": -552190922997.8442 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-07-04", "window": { "start": { "local": "1952-07-04T05:38:26+08:00", "utc": "1952-07-03T21:38:26Z", "ms": -552104494396.6499 }, "end": { "local": "1952-07-04T05:38:26+08:00", "utc": "1952-07-03T21:38:26Z", "ms": -552104494396.6499 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:26 on Thu 3 Jul to 08:05 on Fri 4 Jul.", "fact": "1952-07-03T01:26:12Z → 1952-07-04T00:04:49Z" }, { "step": "kaala", "text": "Sunrise is at 05:38 on the 3rd and 05:38 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8783 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Qingyang, 1952: Friday 4 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-04", "confidence": "determinate" } ], "quote": "In Qingyang, Hariśayanī Ekādaśī 1952 falls on Friday 4 July. Ekādaśī runs from 09:26 on Thu 3 Jul to 08:05 on Fri 4 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-07-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-07-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21040, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-07-05T05:58:43+08:00", "utc": "1952-07-04T21:58:43Z", "ms": -552016876881.5486 }, "end": { "local": "1952-07-06T03:15:19+08:00", "utc": "1952-07-05T19:15:19Z", "ms": -551940281042.1874 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-07-05T05:58:43+08:00", "utc": "1952-07-04T21:58:43Z", "ms": -552016876881.5486 }, "end": { "local": "1952-07-06T03:15:19+08:00", "utc": "1952-07-05T19:15:19Z", "ms": -551940281042.1874 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-07-04", "window": { "start": { "local": "1952-07-04T20:08:41+08:00", "utc": "1952-07-04T12:08:41Z", "ms": -552052279113.0438 }, "end": { "local": "1952-07-04T21:24:43+08:00", "utc": "1952-07-04T13:24:43Z", "ms": -552047717193.1272 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1952-07-05", "window": { "start": { "local": "1952-07-05T20:08:31+08:00", "utc": "1952-07-05T12:08:31Z", "ms": -551965888572.2408 }, "end": { "local": "1952-07-05T21:24:39+08:00", "utc": "1952-07-05T13:24:39Z", "ms": -551961321293.504 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:59 on Sat 5 Jul to 03:15 on Sun 6 Jul.", "fact": "1952-07-04T21:58:43Z → 1952-07-05T19:15:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:09–21:25 on the 4th, 20:09–21:25 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 76 minutes on the 4th and 76 of 76 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 21040 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1952: Saturday 5 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-05", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1952 falls on Saturday 5 July. Trayodaśī runs from 05:59 on Sat 5 Jul to 03:15 on Sun 6 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-07-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20181, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-07-07T00:03:37+08:00", "utc": "1952-07-06T16:03:37Z", "ms": -551865382968.9998 }, "end": { "local": "1952-07-07T20:33:27+08:00", "utc": "1952-07-07T12:33:27Z", "ms": -551791592694.1617 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-07-07T00:03:37+08:00", "utc": "1952-07-06T16:03:37Z", "ms": -551865382968.9998 }, "end": { "local": "1952-07-07T20:33:27+08:00", "utc": "1952-07-07T12:33:27Z", "ms": -551791592694.1617 } }, "kaala": "udaya-3", "days": [ { "local_date": "1952-07-07", "window": { "start": { "local": "1952-07-07T05:39:58+08:00", "utc": "1952-07-06T21:39:58Z", "ms": -551845202232.6285 }, "end": { "local": "1952-07-07T08:33:36+08:00", "utc": "1952-07-07T00:33:36Z", "ms": -551834784322.3757 } }, "covered_min": 174, "window_min": 174, "qualifies": true }, { "local_date": "1952-07-08", "window": { "start": { "local": "1952-07-08T05:40:31+08:00", "utc": "1952-07-07T21:40:31Z", "ms": -551758769497.1073 }, "end": { "local": "1952-07-08T08:33:59+08:00", "utc": "1952-07-08T00:33:59Z", "ms": -551748361062.7236 } }, "covered_min": 0, "window_min": 173, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:04 on Mon 7 Jul to 20:33 on Mon 7 Jul.", "fact": "1952-07-06T16:03:37Z → 1952-07-07T12:33:27Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:40–08:34 on the 7th, 05:41–08:34 on the 8th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 174 of 174 minutes on the 7th and 0 of 173 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20181 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Qingyang, 1952: Monday 7 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vyasa-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "udaya-3", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-07", "confidence": "determinate" } ], "quote": "In Qingyang, Vyāsa Pūjā 1952 falls on Monday 7 July. Pūrṇimā runs from 00:04 on Mon 7 Jul to 20:33 on Mon 7 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26125, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-07-07T00:03:37+08:00", "utc": "1952-07-06T16:03:37Z", "ms": -551865382968.9998 }, "end": { "local": "1952-07-07T20:33:27+08:00", "utc": "1952-07-07T12:33:27Z", "ms": -551791592694.1617 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-07-07T00:03:37+08:00", "utc": "1952-07-06T16:03:37Z", "ms": -551865382968.9998 }, "end": { "local": "1952-07-07T20:33:27+08:00", "utc": "1952-07-07T12:33:27Z", "ms": -551791592694.1617 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-07-06", "window": { "start": { "local": "1952-07-06T12:29:53+08:00", "utc": "1952-07-06T04:29:53Z", "ms": -551907006872.1072 }, "end": { "local": "1952-07-06T13:17:53+08:00", "utc": "1952-07-06T05:17:53Z", "ms": -551904126872.1072 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-07-07", "window": { "start": { "local": "1952-07-07T12:30:03+08:00", "utc": "1952-07-07T04:30:03Z", "ms": -551820597456.9966 }, "end": { "local": "1952-07-07T13:18:03+08:00", "utc": "1952-07-07T05:18:03Z", "ms": -551817717456.9966 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:04 on Mon 7 Jul to 20:33 on Mon 7 Jul.", "fact": "1952-07-06T16:03:37Z → 1952-07-07T12:33:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 6th, 12:30–13:18 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26125 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Qingyang, 1952: Monday 7 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "guru-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-07", "confidence": "determinate" } ], "quote": "In Qingyang, Guru Pūrṇimā 1952 falls on Monday 7 July. Pūrṇimā runs from 00:04 on Mon 7 Jul to 20:33 on Mon 7 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1520, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-07-07T00:03:37+08:00", "utc": "1952-07-06T16:03:37Z", "ms": -551865382968.9998 }, "end": { "local": "1952-07-07T20:33:27+08:00", "utc": "1952-07-07T12:33:27Z", "ms": -551791592694.1617 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-07-07T00:03:37+08:00", "utc": "1952-07-06T16:03:37Z", "ms": -551865382968.9998 }, "end": { "local": "1952-07-07T20:33:27+08:00", "utc": "1952-07-07T12:33:27Z", "ms": -551791592694.1617 } }, "kaala": "sayahna", "days": [ { "local_date": "1952-07-06", "window": { "start": { "local": "1952-07-06T17:14:33+08:00", "utc": "1952-07-06T09:14:33Z", "ms": -551889926606.3425 }, "end": { "local": "1952-07-06T20:08:20+08:00", "utc": "1952-07-06T12:08:20Z", "ms": -551879499762.4995 } }, "covered_min": 0, "window_min": 174, "qualifies": false }, { "local_date": "1952-07-07", "window": { "start": { "local": "1952-07-07T17:14:29+08:00", "utc": "1952-07-07T09:14:29Z", "ms": -551803530591.6176 }, "end": { "local": "1952-07-07T20:08:07+08:00", "utc": "1952-07-07T12:08:07Z", "ms": -551793112681.3647 } }, "covered_min": 174, "window_min": 174, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:04 on Mon 7 Jul to 20:33 on Mon 7 Jul.", "fact": "1952-07-06T16:03:37Z → 1952-07-07T12:33:27Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:15–20:08 on the 6th, 17:14–20:08 on the 7th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 174 minutes on the 6th and 174 of 174 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1520 s" }, { "step": "ruling", "text": "Kokilā Vrata, Qingyang, 1952: Monday 7 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kokila-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-07", "confidence": "determinate" } ], "quote": "In Qingyang, Kokilā Vrata 1952 falls on Monday 7 July. Pūrṇimā runs from 00:04 on Mon 7 Jul to 20:33 on Mon 7 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1520, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-07-07T00:03:37+08:00", "utc": "1952-07-06T16:03:37Z", "ms": -551865382968.9998 }, "end": { "local": "1952-07-07T20:33:27+08:00", "utc": "1952-07-07T12:33:27Z", "ms": -551791592694.1617 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1952-07-07T00:03:37+08:00", "utc": "1952-07-06T16:03:37Z", "ms": -551865382968.9998 }, "end": { "local": "1952-07-07T20:33:27+08:00", "utc": "1952-07-07T12:33:27Z", "ms": -551791592694.1617 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-07-06", "window": { "start": { "local": "1952-07-06T20:08:20+08:00", "utc": "1952-07-06T12:08:20Z", "ms": -551879499762.4995 }, "end": { "local": "1952-07-06T21:24:33+08:00", "utc": "1952-07-06T13:24:33Z", "ms": -551874926758.5167 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1952-07-07", "window": { "start": { "local": "1952-07-07T20:08:07+08:00", "utc": "1952-07-07T12:08:07Z", "ms": -551793112681.3647 }, "end": { "local": "1952-07-07T21:24:26+08:00", "utc": "1952-07-07T13:24:26Z", "ms": -551788533590.1304 } }, "covered_min": 25, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:04 on Mon 7 Jul to 20:33 on Mon 7 Jul.", "fact": "1952-07-06T16:03:37Z → 1952-07-07T12:33:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:08–21:25 on the 6th, 20:08–21:24 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 76 minutes on the 6th and 25 of 76 on the 7th.", "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 1520 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Qingyang, 1952: Monday 7 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": "1952-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-07", "confidence": "determinate" } ], "quote": "In Qingyang, Śiva Śayanotsava 1952 falls on Monday 7 July. Pūrṇimā runs from 00:04 on Mon 7 Jul to 20:33 on Mon 7 Jul and covers 25 of 76 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15133, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1952-07-08T16:54:52+08:00", "utc": "1952-07-08T08:54:52Z", "ms": -551718307636.9703 }, "end": { "local": "1952-07-09T13:17:40+08:00", "utc": "1952-07-09T05:17:40Z", "ms": -551644939955.6387 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1952-07-08T16:54:52+08:00", "utc": "1952-07-08T08:54:52Z", "ms": -551718307636.9703 }, "end": { "local": "1952-07-09T13:17:40+08:00", "utc": "1952-07-09T05:17:40Z", "ms": -551644939955.6387 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-07-08", "window": { "start": { "local": "1952-07-08T21:07:06+08:00", "utc": "1952-07-08T13:07:06Z", "ms": -551703174477.6122 }, "end": { "local": "1952-07-08T21:07:06+08:00", "utc": "1952-07-08T13:07:06Z", "ms": -551703174477.6122 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-07-09", "window": { "start": { "local": "1952-07-09T21:46:46+08:00", "utc": "1952-07-09T13:46:46Z", "ms": -551614393962.3342 }, "end": { "local": "1952-07-09T21:46:46+08:00", "utc": "1952-07-09T13:46:46Z", "ms": -551614393962.3342 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 16:55 on Tue 8 Jul to 13:18 on Wed 9 Jul.", "fact": "1952-07-08T08:54:52Z → 1952-07-09T05:17:40Z" }, { "step": "kaala", "text": "Moonrise is at 21:07 on the 8th and 21:47 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15133 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Qingyang, 1952: Tuesday 8 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata-ashadha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)." } ], "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-08", "confidence": "determinate" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata (Āṣāḍha) 1952 falls on Tuesday 8 July. Dvitīyā runs from 16:55 on Tue 8 Jul to 13:18 on Wed 9 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/sankashta-chaturthi?on=1952-07-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30176, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-07-10T09:51:02+08:00", "utc": "1952-07-10T01:51:02Z", "ms": -551570938093.303 }, "end": { "local": "1952-07-11T06:43:14+08:00", "utc": "1952-07-10T22:43:14Z", "ms": -551495805583.932 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1952-07-10T09:51:02+08:00", "utc": "1952-07-10T01:51:02Z", "ms": -551570938093.303 }, "end": { "local": "1952-07-11T06:43:14+08:00", "utc": "1952-07-10T22:43:14Z", "ms": -551495805583.932 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-07-09", "window": { "start": { "local": "1952-07-09T21:46:46+08:00", "utc": "1952-07-09T13:46:46Z", "ms": -551614393962.3342 }, "end": { "local": "1952-07-09T21:46:46+08:00", "utc": "1952-07-09T13:46:46Z", "ms": -551614393962.3342 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-07-10", "window": { "start": { "local": "1952-07-10T22:20:19+08:00", "utc": "1952-07-10T14:20:19Z", "ms": -551525981444.0894 }, "end": { "local": "1952-07-10T22:20:19+08:00", "utc": "1952-07-10T14:20:19Z", "ms": -551525981444.0894 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:51 on Thu 10 Jul to 06:43 on Fri 11 Jul.", "fact": "1952-07-10T01:51:02Z → 1952-07-10T22:43:14Z" }, { "step": "kaala", "text": "Moonrise is at 21:47 on the 9th and 22:20 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30176 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1952: Thursday 10 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-10", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1952 falls on Thursday 10 July. Caturthī runs from 09:51 on Thu 10 Jul to 06:43 on Fri 11 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/sankashta-chaturthi?on=1952-07-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/ekadashi?on=1952-07-17", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20711, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-07-16T23:12:55+08:00", "utc": "1952-07-16T15:12:55Z", "ms": -551004424947.4741 }, "end": { "local": "1952-07-18T00:01:34+08:00", "utc": "1952-07-17T16:01:34Z", "ms": -550915105788.6631 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1952-07-16T23:12:55+08:00", "utc": "1952-07-16T15:12:55Z", "ms": -551004424947.4741 }, "end": { "local": "1952-07-18T00:01:34+08:00", "utc": "1952-07-17T16:01:34Z", "ms": -550915105788.6631 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-07-17", "window": { "start": { "local": "1952-07-17T05:46:04+08:00", "utc": "1952-07-16T21:46:04Z", "ms": -550980835530.624 }, "end": { "local": "1952-07-17T05:46:04+08:00", "utc": "1952-07-16T21:46:04Z", "ms": -550980835530.624 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-07-18", "window": { "start": { "local": "1952-07-18T05:46:45+08:00", "utc": "1952-07-17T21:46:45Z", "ms": -550894394673.3574 }, "end": { "local": "1952-07-18T05:46:45+08:00", "utc": "1952-07-17T21:46:45Z", "ms": -550894394673.3574 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:13 on Wed 16 Jul to 00:02 on Fri 18 Jul.", "fact": "1952-07-16T15:12:55Z → 1952-07-17T16:01:34Z" }, { "step": "kaala", "text": "Sunrise is at 05:46 on the 17th and 05:47 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 20711 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Qingyang, 1952: Thursday 17 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": "1952-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-17", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmikā Ekādaśī 1952 falls on Thursday 17 July. Ekādaśī runs from 23:13 on Wed 16 Jul to 00:02 on Fri 18 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-07-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-07-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14291, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-07-19T01:19:52+08:00", "utc": "1952-07-18T17:19:52Z", "ms": -550824007728.8307 }, "end": { "local": "1952-07-20T03:03:47+08:00", "utc": "1952-07-19T19:03:47Z", "ms": -550731372733.354 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1952-07-19T01:19:52+08:00", "utc": "1952-07-18T17:19:52Z", "ms": -550824007728.8307 }, "end": { "local": "1952-07-20T03:03:47+08:00", "utc": "1952-07-19T19:03:47Z", "ms": -550731372733.354 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-07-18", "window": { "start": { "local": "1952-07-18T20:03:53+08:00", "utc": "1952-07-18T12:03:53Z", "ms": -550842967367.888 }, "end": { "local": "1952-07-18T21:21:41+08:00", "utc": "1952-07-18T13:21:41Z", "ms": -550838298812.5604 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1952-07-19", "window": { "start": { "local": "1952-07-19T20:03:19+08:00", "utc": "1952-07-19T12:03:19Z", "ms": -550756600562.6455 }, "end": { "local": "1952-07-19T21:21:18+08:00", "utc": "1952-07-19T13:21:18Z", "ms": -550751921975.3329 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:20 on Sat 19 Jul to 03:04 on Sun 20 Jul.", "fact": "1952-07-18T17:19:52Z → 1952-07-19T19:03:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:04–21:22 on the 18th, 20:03–21:21 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 78 minutes on the 18th and 78 of 78 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 14291 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1952: Saturday 19 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-19", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1952 falls on Saturday 19 July. Trayodaśī runs from 01:20 on Sat 19 Jul to 03:04 on Sun 20 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-07-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/shivaratri?on=1952-07-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6243, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-07-20T03:03:47+08:00", "utc": "1952-07-19T19:03:47Z", "ms": -550731372733.354 }, "end": { "local": "1952-07-21T05:08:57+08:00", "utc": "1952-07-20T21:08:57Z", "ms": -550637462986.6395 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1952-07-20T03:03:47+08:00", "utc": "1952-07-19T19:03:47Z", "ms": -550731372733.354 }, "end": { "local": "1952-07-21T05:08:57+08:00", "utc": "1952-07-20T21:08:57Z", "ms": -550637462986.6395 } }, "kaala": "nishita", "days": [ { "local_date": "1952-07-19", "window": { "start": { "local": "1952-07-20T00:31:44+08:00", "utc": "1952-07-19T16:31:44Z", "ms": -550740495860.2231 }, "end": { "local": "1952-07-20T01:19:44+08:00", "utc": "1952-07-19T17:19:44Z", "ms": -550737615860.2231 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-07-20", "window": { "start": { "local": "1952-07-21T00:31:48+08:00", "utc": "1952-07-20T16:31:48Z", "ms": -550654091982.5566 }, "end": { "local": "1952-07-21T01:19:48+08:00", "utc": "1952-07-20T17:19:48Z", "ms": -550651211982.5566 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:04 on Sun 20 Jul to 05:09 on Mon 21 Jul.", "fact": "1952-07-19T19:03:47Z → 1952-07-20T21:08:57Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:32–01:20 on the 19th, 00:32–01:20 on the 20th.", "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 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6243 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1952: Sunday 20 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-20", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1952 falls on Sunday 20 July. Caturdaśī runs from 03:04 on Sun 20 Jul to 05:09 on Mon 21 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/shivaratri?on=1952-07-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 499, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1952-07-24T12:39:54+08:00", "utc": "1952-07-24T04:39:54Z", "ms": -550351205740.7567 }, "end": { "local": "1952-07-25T15:13:08+08:00", "utc": "1952-07-25T07:13:08Z", "ms": -550255612442.489 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1952-07-24T12:39:54+08:00", "utc": "1952-07-24T04:39:54Z", "ms": -550351205740.7567 }, "end": { "local": "1952-07-25T15:13:08+08:00", "utc": "1952-07-25T07:13:08Z", "ms": -550255612442.489 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-07-24", "window": { "start": { "local": "1952-07-24T12:31:36+08:00", "utc": "1952-07-24T04:31:36Z", "ms": -550351704366.6558 }, "end": { "local": "1952-07-24T13:19:36+08:00", "utc": "1952-07-24T05:19:36Z", "ms": -550348824366.6558 } }, "covered_min": 40, "window_min": 48, "qualifies": true }, { "local_date": "1952-07-25", "window": { "start": { "local": "1952-07-25T12:31:36+08:00", "utc": "1952-07-25T04:31:36Z", "ms": -550265303576.5259 }, "end": { "local": "1952-07-25T13:19:36+08:00", "utc": "1952-07-25T05:19:36Z", "ms": -550262423576.5259 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:40 on Thu 24 Jul to 15:13 on Fri 25 Jul.", "fact": "1952-07-24T04:39:54Z → 1952-07-25T07:13:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 24th, 12:32–13:20 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 40 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 499 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Qingyang, 1952: Friday 25 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-25", "confidence": "determinate" } ], "quote": "In Qingyang, Madhusravā Tṛtīyā (Hariyali Teej) 1952 falls on Friday 25 July. Tṛtīyā runs from 12:40 on Thu 24 Jul to 15:13 on Fri 25 Jul and covers all of madhyāhna that midday. It also reaches the previous midday for 40 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/vinayaka-chaturthi?on=1952-07-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6811, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-07-25T15:13:08+08:00", "utc": "1952-07-25T07:13:08Z", "ms": -550255612442.489 }, "end": { "local": "1952-07-26T17:33:38+08:00", "utc": "1952-07-26T09:33:38Z", "ms": -550160781940.2758 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1952-07-25T15:13:08+08:00", "utc": "1952-07-25T07:13:08Z", "ms": -550255612442.489 }, "end": { "local": "1952-07-26T17:33:38+08:00", "utc": "1952-07-26T09:33:38Z", "ms": -550160781940.2758 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-07-25", "window": { "start": { "local": "1952-07-25T12:31:36+08:00", "utc": "1952-07-25T04:31:36Z", "ms": -550265303576.5259 }, "end": { "local": "1952-07-25T13:19:36+08:00", "utc": "1952-07-25T05:19:36Z", "ms": -550262423576.5259 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-07-26", "window": { "start": { "local": "1952-07-26T12:31:37+08:00", "utc": "1952-07-26T04:31:37Z", "ms": -550178903379.0774 }, "end": { "local": "1952-07-26T13:19:37+08:00", "utc": "1952-07-26T05:19:37Z", "ms": -550176023379.0774 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:13 on Fri 25 Jul to 17:34 on Sat 26 Jul.", "fact": "1952-07-25T07:13:08Z → 1952-07-26T09:33:38Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6811 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1952: Saturday 26 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-26", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1952 falls on Saturday 26 July. Caturthī runs from 15:13 on Fri 25 Jul to 17:34 on Sat 26 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/vinayaka-chaturthi?on=1952-07-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15241, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1952-07-26T17:33:38+08:00", "utc": "1952-07-26T09:33:38Z", "ms": -550160781940.2758 }, "end": { "local": "1952-07-27T19:31:41+08:00", "utc": "1952-07-27T11:31:41Z", "ms": -550067298759.1384 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1952-07-26T17:33:38+08:00", "utc": "1952-07-26T09:33:38Z", "ms": -550160781940.2758 }, "end": { "local": "1952-07-27T19:31:41+08:00", "utc": "1952-07-27T11:31:41Z", "ms": -550067298759.1384 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-07-26", "window": { "start": { "local": "1952-07-26T12:31:37+08:00", "utc": "1952-07-26T04:31:37Z", "ms": -550178903379.0774 }, "end": { "local": "1952-07-26T13:19:37+08:00", "utc": "1952-07-26T05:19:37Z", "ms": -550176023379.0774 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-07-27", "window": { "start": { "local": "1952-07-27T12:31:36+08:00", "utc": "1952-07-27T04:31:36Z", "ms": -550092503781.402 }, "end": { "local": "1952-07-27T13:19:36+08:00", "utc": "1952-07-27T05:19:36Z", "ms": -550089623781.402 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:34 on Sat 26 Jul to 19:32 on Sun 27 Jul.", "fact": "1952-07-26T09:33:38Z → 1952-07-27T11:31:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 26th, 12:32–13:20 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15241 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Qingyang, 1952: Sunday 27 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-07-27", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī 1952 falls on Sunday 27 July. Pañcamī runs from 17:34 on Sat 26 Jul to 19:32 on Sun 27 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-08-02", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37818, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-08-01T19:27:34+08:00", "utc": "1952-08-01T11:27:34Z", "ms": -549635546079.2519 }, "end": { "local": "1952-08-02T17:13:09+08:00", "utc": "1952-08-02T09:13:09Z", "ms": -549557211236.6871 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1952-08-01T19:27:34+08:00", "utc": "1952-08-01T11:27:34Z", "ms": -549635546079.2519 }, "end": { "local": "1952-08-02T17:13:09+08:00", "utc": "1952-08-02T09:13:09Z", "ms": -549557211236.6871 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-08-02", "window": { "start": { "local": "1952-08-02T05:57:52+08:00", "utc": "1952-08-01T21:57:52Z", "ms": -549597728447.4456 }, "end": { "local": "1952-08-02T05:57:52+08:00", "utc": "1952-08-01T21:57:52Z", "ms": -549597728447.4456 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-08-03", "window": { "start": { "local": "1952-08-03T05:58:38+08:00", "utc": "1952-08-02T21:58:38Z", "ms": -549511281930.7386 }, "end": { "local": "1952-08-03T05:58:38+08:00", "utc": "1952-08-02T21:58:38Z", "ms": -549511281930.7386 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:28 on Fri 1 Aug to 17:13 on Sat 2 Aug.", "fact": "1952-08-01T11:27:34Z → 1952-08-02T09:13:09Z" }, { "step": "kaala", "text": "Sunrise is at 05:58 on the 2nd and 05:59 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37818 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Qingyang, 1952: Saturday 2 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-02", "confidence": "determinate" } ], "quote": "In Qingyang, Putradā Ekādaśī 1952 falls on Saturday 2 August. Ekādaśī runs from 19:28 on Fri 1 Aug to 17:13 on Sat 2 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-08-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3809, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1952-08-02T17:13:09+08:00", "utc": "1952-08-02T09:13:09Z", "ms": -549557211236.6871 }, "end": { "local": "1952-08-03T14:22:46+08:00", "utc": "1952-08-03T06:22:46Z", "ms": -549481034295.4302 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1952-08-02T17:13:09+08:00", "utc": "1952-08-02T09:13:09Z", "ms": -549557211236.6871 }, "end": { "local": "1952-08-03T14:22:46+08:00", "utc": "1952-08-03T06:22:46Z", "ms": -549481034295.4302 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-08-02", "window": { "start": { "local": "1952-08-02T12:31:21+08:00", "utc": "1952-08-02T04:31:21Z", "ms": -549574119030.7419 }, "end": { "local": "1952-08-02T13:19:21+08:00", "utc": "1952-08-02T05:19:21Z", "ms": -549571239030.7419 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-08-03", "window": { "start": { "local": "1952-08-03T12:31:16+08:00", "utc": "1952-08-03T04:31:16Z", "ms": -549487723722.2411 }, "end": { "local": "1952-08-03T13:19:16+08:00", "utc": "1952-08-03T05:19:16Z", "ms": -549484843722.2411 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:13 on Sat 2 Aug to 14:23 on Sun 3 Aug.", "fact": "1952-08-02T09:13:09Z → 1952-08-03T06:22:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 2nd, 12:31–13:19 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3809 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Qingyang, 1952: Sunday 3 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "damodara-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-03", "confidence": "boundary" } ], "quote": "In Qingyang, Dāmodara Dvādaśī 1952 falls on Sunday 3 August. Dvādaśī runs from 17:13 on Sat 2 Aug to 14:23 on Sun 3 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/pradosha-vrata?on=1952-08-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19749, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-08-03T14:22:46+08:00", "utc": "1952-08-03T06:22:46Z", "ms": -549481034295.4302 }, "end": { "local": "1952-08-04T11:04:21+08:00", "utc": "1952-08-04T03:04:21Z", "ms": -549406539057.9174 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1952-08-03T14:22:46+08:00", "utc": "1952-08-03T06:22:46Z", "ms": -549481034295.4302 }, "end": { "local": "1952-08-04T11:04:21+08:00", "utc": "1952-08-04T03:04:21Z", "ms": -549406539057.9174 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-08-03", "window": { "start": { "local": "1952-08-03T19:51:54+08:00", "utc": "1952-08-03T11:51:54Z", "ms": -549461285513.7435 }, "end": { "local": "1952-08-03T21:12:55+08:00", "utc": "1952-08-03T13:12:55Z", "ms": -549456425484.79083 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "1952-08-04", "window": { "start": { "local": "1952-08-04T19:50:57+08:00", "utc": "1952-08-04T11:50:57Z", "ms": -549374942746.7729 }, "end": { "local": "1952-08-04T21:12:11+08:00", "utc": "1952-08-04T13:12:11Z", "ms": -549370068855.38104 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:23 on Sun 3 Aug to 11:04 on Mon 4 Aug.", "fact": "1952-08-03T06:22:46Z → 1952-08-04T03:04:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:52–21:13 on the 3rd, 19:51–21:12 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 81 of 81 minutes on the 3rd and 0 of 81 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19749 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1952: Sunday 3 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-03", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1952 falls on Sunday 3 August. Trayodaśī runs from 14:23 on Sun 3 Aug to 11:04 on Mon 4 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-08-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8459, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-08-05T07:26:54+08:00", "utc": "1952-08-04T23:26:54Z", "ms": -549333185950.9266 }, "end": { "local": "1952-08-06T03:39:59+08:00", "utc": "1952-08-05T19:39:59Z", "ms": -549260400729.1587 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1952-08-05T17:34:01+08:00", "utc": "1952-08-05T09:34:01Z", "ms": -549296758956.8512 }, "end": { "local": "1952-08-06T03:39:59+08:00", "utc": "1952-08-05T19:39:59Z", "ms": -549260400729.1587 } }, "kaala": "day", "days": [ { "local_date": "1952-08-05", "window": { "start": { "local": "1952-08-05T06:00:11+08:00", "utc": "1952-08-04T22:00:11Z", "ms": -549338388561.33405 }, "end": { "local": "1952-08-06T06:00:58+08:00", "utc": "1952-08-05T22:00:58Z", "ms": -549251941738.55817 } }, "covered_min": 606, "window_min": 1441, "qualifies": true }, { "local_date": "1952-08-06", "window": { "start": { "local": "1952-08-06T06:00:58+08:00", "utc": "1952-08-05T22:00:58Z", "ms": -549251941738.55817 }, "end": { "local": "1952-08-07T06:01:45+08:00", "utc": "1952-08-06T22:01:45Z", "ms": -549165494839.61487 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:27 on Tue 5 Aug to 03:40 on Wed 6 Aug. Its second half begins at 17:34 on Tue 5 Aug.", "fact": "1952-08-04T23:26:54Z → 1952-08-05T19:39:59Z · second half from 1952-08-05T09:34:01Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:00 on the 5th, and from 06:01 on the 6th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The second half of Pūrṇimā must be present during the day. It covers 606 of 1441 minutes on the 5th and 0 of 1441 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8459 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Qingyang, 1952: Tuesday 5 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-05", "confidence": "determinate" } ], "quote": "In Qingyang, Rakṣā Bandhana (Rakhi) 1952 falls on Tuesday 5 August. The second half of Pūrṇimā runs from 17:34 on Tue 5 Aug to 03:40 on Wed 6 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18251, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-08-05T07:26:54+08:00", "utc": "1952-08-04T23:26:54Z", "ms": -549333185950.9266 }, "end": { "local": "1952-08-06T03:39:59+08:00", "utc": "1952-08-05T19:39:59Z", "ms": -549260400729.1587 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1952-08-05T07:26:54+08:00", "utc": "1952-08-04T23:26:54Z", "ms": -549333185950.9266 }, "end": { "local": "1952-08-06T03:39:59+08:00", "utc": "1952-08-05T19:39:59Z", "ms": -549260400729.1587 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-08-05", "window": { "start": { "local": "1952-08-05T12:31:05+08:00", "utc": "1952-08-05T04:31:05Z", "ms": -549314934923.02673 }, "end": { "local": "1952-08-05T13:19:05+08:00", "utc": "1952-08-05T05:19:05Z", "ms": -549312054923.02673 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-08-06", "window": { "start": { "local": "1952-08-06T12:30:59+08:00", "utc": "1952-08-06T04:30:59Z", "ms": -549228541418.7462 }, "end": { "local": "1952-08-06T13:18:59+08:00", "utc": "1952-08-06T05:18:59Z", "ms": -549225661418.7462 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:27 on Tue 5 Aug to 03:40 on Wed 6 Aug.", "fact": "1952-08-04T23:26:54Z → 1952-08-05T19:39:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 5th, 12:31–13:19 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18251 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Qingyang, 1952: Tuesday 5 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-05", "confidence": "determinate" } ], "quote": "In Qingyang, Ṛṣi Tarpaṇa 1952 falls on Tuesday 5 August. Pūrṇimā runs from 07:27 on Tue 5 Aug to 03:40 on Wed 6 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-06", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1868, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1952-08-06T23:53:23+08:00", "utc": "1952-08-06T15:53:23Z", "ms": -549187596687.01166 }, "end": { "local": "1952-08-07T20:16:47+08:00", "utc": "1952-08-07T12:16:47Z", "ms": -549114192914.8431 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-06T23:53:23+08:00", "utc": "1952-08-06T15:53:23Z", "ms": -549187596687.01166 }, "end": { "local": "1952-08-07T20:16:47+08:00", "utc": "1952-08-07T12:16:47Z", "ms": -549114192914.8431 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-08-06", "window": { "start": { "local": "1952-08-06T20:15:44+08:00", "utc": "1952-08-06T12:15:44Z", "ms": -549200655699.2157 }, "end": { "local": "1952-08-06T20:15:44+08:00", "utc": "1952-08-06T12:15:44Z", "ms": -549200655699.2157 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-08-07", "window": { "start": { "local": "1952-08-07T20:47:55+08:00", "utc": "1952-08-07T12:47:55Z", "ms": -549112324586.00525 }, "end": { "local": "1952-08-07T20:47:55+08:00", "utc": "1952-08-07T12:47:55Z", "ms": -549112324586.00525 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 23:53 on Wed 6 Aug to 20:17 on Thu 7 Aug.", "fact": "1952-08-06T15:53:23Z → 1952-08-07T12:16:47Z" }, { "step": "kaala", "text": "Moonrise is at 20:16 on the 6th and 20:48 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 1868 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Qingyang, 1952: Wednesday 6 August.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-06", "confidence": "boundary" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata 1952 falls on Wednesday 6 August. Dvitīyā runs from 23:53 on Wed 6 Aug to 20:17 on Thu 7 Aug, and is current at moonrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13244, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1952-08-07T20:16:47+08:00", "utc": "1952-08-07T12:16:47Z", "ms": -549114192914.8431 }, "end": { "local": "1952-08-08T16:59:28+08:00", "utc": "1952-08-08T08:59:28Z", "ms": -549039631947.73303 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-07T20:16:47+08:00", "utc": "1952-08-07T12:16:47Z", "ms": -549114192914.8431 }, "end": { "local": "1952-08-08T16:59:28+08:00", "utc": "1952-08-08T08:59:28Z", "ms": -549039631947.73303 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-08-07", "window": { "start": { "local": "1952-08-07T12:30:51+08:00", "utc": "1952-08-07T04:30:51Z", "ms": -549142148500.16455 }, "end": { "local": "1952-08-07T13:18:51+08:00", "utc": "1952-08-07T05:18:51Z", "ms": -549139268500.16455 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-08-08", "window": { "start": { "local": "1952-08-08T12:30:44+08:00", "utc": "1952-08-08T04:30:44Z", "ms": -549055756157.89307 }, "end": { "local": "1952-08-08T13:18:44+08:00", "utc": "1952-08-08T05:18:44Z", "ms": -549052876157.89307 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 20:17 on Thu 7 Aug to 16:59 on Fri 8 Aug.", "fact": "1952-08-07T12:16:47Z → 1952-08-08T08:59:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 7th, 12:31–13:19 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13244 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Qingyang, 1952: Friday 8 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-08", "confidence": "determinate" } ], "quote": "In Qingyang, Kajjalī Tṛtīyā (Kajari Teej) 1952 falls on Friday 8 August. Tṛtīyā runs from 20:17 on Thu 7 Aug to 16:59 on Fri 8 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-08", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 155, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-08-08T16:59:28+08:00", "utc": "1952-08-08T08:59:28Z", "ms": -549039631947.73303 }, "end": { "local": "1952-08-09T14:10:00+08:00", "utc": "1952-08-09T06:10:00Z", "ms": -548963400028.15564 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-08T16:59:28+08:00", "utc": "1952-08-08T08:59:28Z", "ms": -549039631947.73303 }, "end": { "local": "1952-08-09T14:10:00+08:00", "utc": "1952-08-09T06:10:00Z", "ms": -548963400028.15564 } }, "kaala": "sayahna", "days": [ { "local_date": "1952-08-08", "window": { "start": { "local": "1952-08-08T17:02:03+08:00", "utc": "1952-08-08T09:02:03Z", "ms": -549039477127.9826 }, "end": { "local": "1952-08-08T19:46:56+08:00", "utc": "1952-08-08T11:46:56Z", "ms": -549029584441.3756 } }, "covered_min": 165, "window_min": 165, "qualifies": true }, { "local_date": "1952-08-09", "window": { "start": { "local": "1952-08-09T17:01:21+08:00", "utc": "1952-08-09T09:01:21Z", "ms": -548953118500.3089 }, "end": { "local": "1952-08-09T19:45:52+08:00", "utc": "1952-08-09T11:45:52Z", "ms": -548943247912.2782 } }, "covered_min": 0, "window_min": 165, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:59 on Fri 8 Aug to 14:10 on Sat 9 Aug.", "fact": "1952-08-08T08:59:28Z → 1952-08-09T06:10:00Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:02–19:47 on the 8th, 17:01–19:46 on the 9th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 165 of 165 minutes on the 8th and 0 of 165 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 155 s < 300 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Qingyang, 1952: Friday 8 August.", "fact": "confidence: boundary (margin)" } ], "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": "1952-08-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-08", "confidence": "boundary" } ], "quote": "In Qingyang, Bahulā Caturthī 1952 falls on Friday 8 August. Caturthī runs from 16:59 on Fri 8 Aug to 14:10 on Sat 9 Aug and covers all of sāyāhna that late afternoon. It is 2 min 35 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/sankashta-chaturthi?on=1952-08-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15480, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-08-08T16:59:28+08:00", "utc": "1952-08-08T08:59:28Z", "ms": -549039631947.73303 }, "end": { "local": "1952-08-09T14:10:00+08:00", "utc": "1952-08-09T06:10:00Z", "ms": -548963400028.15564 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-08T16:59:28+08:00", "utc": "1952-08-08T08:59:28Z", "ms": -549039631947.73303 }, "end": { "local": "1952-08-09T14:10:00+08:00", "utc": "1952-08-09T06:10:00Z", "ms": -548963400028.15564 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-08-08", "window": { "start": { "local": "1952-08-08T21:17:28+08:00", "utc": "1952-08-08T13:17:28Z", "ms": -549024151850.8121 }, "end": { "local": "1952-08-08T21:17:28+08:00", "utc": "1952-08-08T13:17:28Z", "ms": -549024151850.8121 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-08-09", "window": { "start": { "local": "1952-08-09T21:46:13+08:00", "utc": "1952-08-09T13:46:13Z", "ms": -548936026630.8584 }, "end": { "local": "1952-08-09T21:46:13+08:00", "utc": "1952-08-09T13:46:13Z", "ms": -548936026630.8584 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:59 on Fri 8 Aug to 14:10 on Sat 9 Aug.", "fact": "1952-08-08T08:59:28Z → 1952-08-09T06:10:00Z" }, { "step": "kaala", "text": "Moonrise is at 21:17 on the 8th and 21:46 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15480 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1952: Friday 8 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-08", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1952 falls on Friday 8 August. Caturthī runs from 16:59 on Fri 8 Aug to 14:10 on Sat 9 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/sankashta-chaturthi?on=1952-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2079, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1952-08-10T11:55:48+08:00", "utc": "1952-08-10T03:55:48Z", "ms": -548885052199.852 }, "end": { "local": "1952-08-11T10:22:38+08:00", "utc": "1952-08-11T02:22:38Z", "ms": -548804242417.7728 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-10T11:55:48+08:00", "utc": "1952-08-10T03:55:48Z", "ms": -548885052199.852 }, "end": { "local": "1952-08-11T10:22:38+08:00", "utc": "1952-08-11T02:22:38Z", "ms": -548804242417.7728 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-08-10", "window": { "start": { "local": "1952-08-10T12:30:27+08:00", "utc": "1952-08-10T04:30:27Z", "ms": -548882973164.24146 }, "end": { "local": "1952-08-10T13:18:27+08:00", "utc": "1952-08-10T05:18:27Z", "ms": -548880093164.24146 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-08-11", "window": { "start": { "local": "1952-08-11T12:30:18+08:00", "utc": "1952-08-11T04:30:18Z", "ms": -548796582494.7919 }, "end": { "local": "1952-08-11T13:18:18+08:00", "utc": "1952-08-11T05:18:18Z", "ms": -548793702494.7919 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:56 on Sun 10 Aug to 10:23 on Mon 11 Aug.", "fact": "1952-08-10T03:55:48Z → 1952-08-11T02:22:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 10th, 12:30–13:18 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 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 2079 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Qingyang, 1952: Sunday 10 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": "1952-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-10", "confidence": "determinate" } ], "quote": "In Qingyang, Hala Ṣaṣṭhī 1952 falls on Sunday 10 August. Ṣaṣṭhī runs from 11:56 on Sun 10 Aug to 10:23 on Mon 11 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7660, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1952-08-11T10:22:38+08:00", "utc": "1952-08-11T02:22:38Z", "ms": -548804242417.7728 }, "end": { "local": "1952-08-12T09:34:04+08:00", "utc": "1952-08-12T01:34:04Z", "ms": -548720755743.9706 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-11T10:22:38+08:00", "utc": "1952-08-11T02:22:38Z", "ms": -548804242417.7728 }, "end": { "local": "1952-08-12T09:34:04+08:00", "utc": "1952-08-12T01:34:04Z", "ms": -548720755743.9706 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-08-11", "window": { "start": { "local": "1952-08-11T12:30:18+08:00", "utc": "1952-08-11T04:30:18Z", "ms": -548796582494.7919 }, "end": { "local": "1952-08-11T13:18:18+08:00", "utc": "1952-08-11T05:18:18Z", "ms": -548793702494.7919 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-08-12", "window": { "start": { "local": "1952-08-12T12:30:08+08:00", "utc": "1952-08-12T04:30:08Z", "ms": -548710192365.85004 }, "end": { "local": "1952-08-12T13:18:08+08:00", "utc": "1952-08-12T05:18:08Z", "ms": -548707312365.85004 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:23 on Mon 11 Aug to 09:34 on Tue 12 Aug.", "fact": "1952-08-11T02:22:38Z → 1952-08-12T01:34:04Z" }, { "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": "Saptamī 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 7660 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Qingyang, 1952: Monday 11 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": "1952-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-11", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalā Saptamī 1952 falls on Monday 11 August. Saptamī runs from 10:23 on Mon 11 Aug to 09:34 on Tue 12 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29553, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1952-08-12T09:34:04+08:00", "utc": "1952-08-12T01:34:04Z", "ms": -548720755743.9706 }, "end": { "local": "1952-08-13T09:31:04+08:00", "utc": "1952-08-13T01:31:04Z", "ms": -548634536060.9047 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-12T09:34:04+08:00", "utc": "1952-08-12T01:34:04Z", "ms": -548720755743.9706 }, "end": { "local": "1952-08-13T09:31:04+08:00", "utc": "1952-08-13T01:31:04Z", "ms": -548634536060.9047 } }, "kaala": "nishita", "days": [ { "local_date": "1952-08-11", "window": { "start": { "local": "1952-08-12T00:30:41+08:00", "utc": "1952-08-11T16:30:41Z", "ms": -548753358930.2109 }, "end": { "local": "1952-08-12T01:18:41+08:00", "utc": "1952-08-11T17:18:41Z", "ms": -548750478930.2109 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-08-12", "window": { "start": { "local": "1952-08-13T00:30:31+08:00", "utc": "1952-08-12T16:30:31Z", "ms": -548666968795.27893 }, "end": { "local": "1952-08-13T01:18:31+08:00", "utc": "1952-08-12T17:18:31Z", "ms": -548664088795.27893 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:34 on Tue 12 Aug to 09:31 on Wed 13 Aug.", "fact": "1952-08-12T01:34:04Z → 1952-08-13T01:31:04Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:31–01:19 on the 11th, 00:31–01:19 on the 12th.", "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 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29553 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Qingyang, 1952: Tuesday 12 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-12", "confidence": "determinate" } ], "quote": "In Qingyang, Janmāṣṭamī 1952 falls on Tuesday 12 August. Aṣṭamī runs from 09:34 on Tue 12 Aug to 09:31 on Wed 13 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-08-16", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19388, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-08-15T11:31:10+08:00", "utc": "1952-08-15T03:31:10Z", "ms": -548454530049.7713 }, "end": { "local": "1952-08-16T13:22:40+08:00", "utc": "1952-08-16T05:22:40Z", "ms": -548361440468.8597 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-15T11:31:10+08:00", "utc": "1952-08-15T03:31:10Z", "ms": -548454530049.7713 }, "end": { "local": "1952-08-16T13:22:40+08:00", "utc": "1952-08-16T05:22:40Z", "ms": -548361440468.8597 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-08-15", "window": { "start": { "local": "1952-08-15T06:08:02+08:00", "utc": "1952-08-14T22:08:02Z", "ms": -548473918140.31775 }, "end": { "local": "1952-08-15T06:08:02+08:00", "utc": "1952-08-14T22:08:02Z", "ms": -548473918140.31775 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-08-16", "window": { "start": { "local": "1952-08-16T06:08:49+08:00", "utc": "1952-08-15T22:08:49Z", "ms": -548387471037.8744 }, "end": { "local": "1952-08-16T06:08:49+08:00", "utc": "1952-08-15T22:08:49Z", "ms": -548387471037.8744 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:31 on Fri 15 Aug to 13:23 on Sat 16 Aug.", "fact": "1952-08-15T03:31:10Z → 1952-08-16T05:22:40Z" }, { "step": "kaala", "text": "Sunrise is at 06:08 on the 15th and 06:09 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19388 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Qingyang, 1952: Saturday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-16", "confidence": "determinate" } ], "quote": "In Qingyang, Ajā Ekādaśī 1952 falls on Saturday 16 August. Ekādaśī runs from 11:31 on Fri 15 Aug to 13:23 on Sat 16 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-08-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5250, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-08-17T15:37:52+08:00", "utc": "1952-08-17T07:37:52Z", "ms": -548266928437.98975 }, "end": { "local": "1952-08-18T18:08:02+08:00", "utc": "1952-08-18T10:08:02Z", "ms": -548171517837.68414 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-17T15:37:52+08:00", "utc": "1952-08-17T07:37:52Z", "ms": -548266928437.98975 }, "end": { "local": "1952-08-18T18:08:02+08:00", "utc": "1952-08-18T10:08:02Z", "ms": -548171517837.68414 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-08-17", "window": { "start": { "local": "1952-08-17T19:36:45+08:00", "utc": "1952-08-17T11:36:45Z", "ms": -548252595160.35876 }, "end": { "local": "1952-08-17T21:01:14+08:00", "utc": "1952-08-17T13:01:14Z", "ms": -548247526066.1834 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1952-08-18", "window": { "start": { "local": "1952-08-18T19:35:32+08:00", "utc": "1952-08-18T11:35:32Z", "ms": -548166268092.1302 }, "end": { "local": "1952-08-18T21:00:17+08:00", "utc": "1952-08-18T13:00:17Z", "ms": -548161183012.35455 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:38 on Sun 17 Aug to 18:08 on Mon 18 Aug.", "fact": "1952-08-17T07:37:52Z → 1952-08-18T10:08:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:37–21:01 on the 17th, 19:36–21:00 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 84 of 84 minutes on the 17th and 0 of 85 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 5250 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1952: Sunday 17 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": "1952-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-17", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1952 falls on Sunday 17 August. Trayodaśī runs from 15:38 on Sun 17 Aug to 18:08 on Mon 18 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-08-17", "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/1952/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-18", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 874, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-08-18T18:08:02+08:00", "utc": "1952-08-18T10:08:02Z", "ms": -548171517837.68414 }, "end": { "local": "1952-08-19T20:44:46+08:00", "utc": "1952-08-19T12:44:46Z", "ms": -548075714351.5935 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-18T18:08:02+08:00", "utc": "1952-08-18T10:08:02Z", "ms": -548171517837.68414 }, "end": { "local": "1952-08-19T20:44:46+08:00", "utc": "1952-08-19T12:44:46Z", "ms": -548075714351.5935 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-08-18", "window": { "start": { "local": "1952-08-18T19:35:32+08:00", "utc": "1952-08-18T11:35:32Z", "ms": -548166268092.1302 }, "end": { "local": "1952-08-18T21:00:17+08:00", "utc": "1952-08-18T13:00:17Z", "ms": -548161183012.35455 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "1952-08-19", "window": { "start": { "local": "1952-08-19T19:34:18+08:00", "utc": "1952-08-19T11:34:18Z", "ms": -548079941940.5948 }, "end": { "local": "1952-08-19T20:59:19+08:00", "utc": "1952-08-19T12:59:19Z", "ms": -548074840761.96216 } }, "covered_min": 70, "window_min": 85, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:08 on Mon 18 Aug to 20:45 on Tue 19 Aug.", "fact": "1952-08-18T10:08:02Z → 1952-08-19T12:44:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:36–21:00 on the 18th, 19:34–20:59 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 18th and 70 of 85 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "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 874 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Qingyang, 1952: Monday 18 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1952-08-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-18", "confidence": "boundary" } ], "quote": "In Qingyang, Aghora Caturdaśī 1952 falls on Monday 18 August. Caturdaśī runs from 18:08 on Mon 18 Aug to 20:45 on Tue 19 Aug and covers all of pradoṣa that evening. It also reaches the next evening for 70 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/1952/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/1952/shivaratri?on=1952-08-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13462, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-08-18T18:08:02+08:00", "utc": "1952-08-18T10:08:02Z", "ms": -548171517837.68414 }, "end": { "local": "1952-08-19T20:44:46+08:00", "utc": "1952-08-19T12:44:46Z", "ms": -548075714351.5935 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-18T18:08:02+08:00", "utc": "1952-08-18T10:08:02Z", "ms": -548171517837.68414 }, "end": { "local": "1952-08-19T20:44:46+08:00", "utc": "1952-08-19T12:44:46Z", "ms": -548075714351.5935 } }, "kaala": "nishita", "days": [ { "local_date": "1952-08-18", "window": { "start": { "local": "1952-08-19T00:29:21+08:00", "utc": "1952-08-18T16:29:21Z", "ms": -548148639042.97156 }, "end": { "local": "1952-08-19T01:17:21+08:00", "utc": "1952-08-18T17:17:21Z", "ms": -548145759042.97156 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-08-19", "window": { "start": { "local": "1952-08-20T00:29:07+08:00", "utc": "1952-08-19T16:29:07Z", "ms": -548062252520.7224 }, "end": { "local": "1952-08-20T01:17:07+08:00", "utc": "1952-08-19T17:17:07Z", "ms": -548059372520.7224 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:08 on Mon 18 Aug to 20:45 on Tue 19 Aug.", "fact": "1952-08-18T10:08:02Z → 1952-08-19T12:44:46Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:29–01:17 on the 18th, 00:29–01:17 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13462 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1952: Monday 18 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": "1952-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-18", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1952 falls on Monday 18 August. Caturdaśī runs from 18:08 on Mon 18 Aug to 20:45 on Tue 19 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/shivaratri?on=1952-08-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36230, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1952-08-20T23:20:20+08:00", "utc": "1952-08-20T15:20:20Z", "ms": -547979980167.0344 }, "end": { "local": "1952-08-22T01:47:51+08:00", "utc": "1952-08-21T17:47:51Z", "ms": -547884729191.8146 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-20T23:20:20+08:00", "utc": "1952-08-20T15:20:20Z", "ms": -547979980167.0344 }, "end": { "local": "1952-08-22T01:47:51+08:00", "utc": "1952-08-21T17:47:51Z", "ms": -547884729191.8146 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-08-20", "window": { "start": { "local": "1952-08-20T12:28:30+08:00", "utc": "1952-08-20T04:28:30Z", "ms": -548019089890.1008 }, "end": { "local": "1952-08-20T13:16:30+08:00", "utc": "1952-08-20T05:16:30Z", "ms": -548016209890.1008 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-08-21", "window": { "start": { "local": "1952-08-21T12:28:16+08:00", "utc": "1952-08-21T04:28:16Z", "ms": -547932704282.8579 }, "end": { "local": "1952-08-21T13:16:16+08:00", "utc": "1952-08-21T05:16:16Z", "ms": -547929824282.8579 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:20 on Wed 20 Aug to 01:48 on Fri 22 Aug.", "fact": "1952-08-20T15:20:20Z → 1952-08-21T17:47:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 20th, 12:28–13:16 on the 21st.", "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 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36230 s" }, { "step": "ruling", "text": "Rudra Vrata, Qingyang, 1952: Thursday 21 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-21", "confidence": "determinate" } ], "quote": "In Qingyang, Rudra Vrata 1952 falls on Thursday 21 August. Pratipadā runs from 23:20 on Wed 20 Aug to 01:48 on Fri 22 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23598, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1952-08-23T04:01:04+08:00", "utc": "1952-08-22T20:01:04Z", "ms": -547790336015.25183 }, "end": { "local": "1952-08-24T05:54:12+08:00", "utc": "1952-08-23T21:54:12Z", "ms": -547697148263.2637 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-23T04:01:04+08:00", "utc": "1952-08-22T20:01:04Z", "ms": -547790336015.25183 }, "end": { "local": "1952-08-24T05:54:12+08:00", "utc": "1952-08-23T21:54:12Z", "ms": -547697148263.2637 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-08-23", "window": { "start": { "local": "1952-08-23T12:27:46+08:00", "utc": "1952-08-23T04:27:46Z", "ms": -547759934439.876 }, "end": { "local": "1952-08-23T13:15:46+08:00", "utc": "1952-08-23T05:15:46Z", "ms": -547757054439.876 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-08-24", "window": { "start": { "local": "1952-08-24T12:27:30+08:00", "utc": "1952-08-24T04:27:30Z", "ms": -547673550183.7365 }, "end": { "local": "1952-08-24T13:15:30+08:00", "utc": "1952-08-24T05:15:30Z", "ms": -547670670183.7365 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:01 on Sat 23 Aug to 05:54 on Sun 24 Aug.", "fact": "1952-08-22T20:01:04Z → 1952-08-23T21:54:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 23rd, 12:27–13:15 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23598 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Qingyang, 1952: Saturday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-23", "confidence": "determinate" } ], "quote": "In Qingyang, Haritālikā Vrata (Hartalika Teej) 1952 falls on Saturday 23 August. Tṛtīyā runs from 04:01 on Sat 23 Aug to 05:54 on Sun 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18326, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-08-24T05:54:12+08:00", "utc": "1952-08-23T21:54:12Z", "ms": -547697148263.2637 }, "end": { "local": "1952-08-25T07:21:47+08:00", "utc": "1952-08-24T23:21:47Z", "ms": -547605492636.7948 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-24T05:54:12+08:00", "utc": "1952-08-23T21:54:12Z", "ms": -547697148263.2637 }, "end": { "local": "1952-08-25T07:21:47+08:00", "utc": "1952-08-24T23:21:47Z", "ms": -547605492636.7948 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-08-24", "window": { "start": { "local": "1952-08-24T12:27:30+08:00", "utc": "1952-08-24T04:27:30Z", "ms": -547673550183.7365 }, "end": { "local": "1952-08-24T13:15:30+08:00", "utc": "1952-08-24T05:15:30Z", "ms": -547670670183.7365 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-08-25", "window": { "start": { "local": "1952-08-25T12:27:14+08:00", "utc": "1952-08-25T04:27:14Z", "ms": -547587166356.54346 }, "end": { "local": "1952-08-25T13:15:14+08:00", "utc": "1952-08-25T05:15:14Z", "ms": -547584286356.54346 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:54 on Sun 24 Aug to 07:22 on Mon 25 Aug.", "fact": "1952-08-23T21:54:12Z → 1952-08-24T23:21:47Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18326 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Qingyang, 1952: Sunday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-24", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Caturthī 1952 falls on Sunday 24 August. Caturthī runs from 05:54 on Sun 24 Aug to 07:22 on Mon 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14886, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1952-08-25T07:21:47+08:00", "utc": "1952-08-24T23:21:47Z", "ms": -547605492636.7948 }, "end": { "local": "1952-08-26T08:18:51+08:00", "utc": "1952-08-26T00:18:51Z", "ms": -547515668776.8608 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-25T07:21:47+08:00", "utc": "1952-08-24T23:21:47Z", "ms": -547605492636.7948 }, "end": { "local": "1952-08-26T08:18:51+08:00", "utc": "1952-08-26T00:18:51Z", "ms": -547515668776.8608 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-08-25", "window": { "start": { "local": "1952-08-25T12:27:14+08:00", "utc": "1952-08-25T04:27:14Z", "ms": -547587166356.54346 }, "end": { "local": "1952-08-25T13:15:14+08:00", "utc": "1952-08-25T05:15:14Z", "ms": -547584286356.54346 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-08-26", "window": { "start": { "local": "1952-08-26T12:26:57+08:00", "utc": "1952-08-26T04:26:57Z", "ms": -547500782946.4857 }, "end": { "local": "1952-08-26T13:14:57+08:00", "utc": "1952-08-26T05:14:57Z", "ms": -547497902946.4857 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:22 on Mon 25 Aug to 08:19 on Tue 26 Aug.", "fact": "1952-08-24T23:21:47Z → 1952-08-26T00:18:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 25th, 12:27–13:15 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 14886 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Qingyang, 1952: Monday 25 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-25", "confidence": "determinate" } ], "quote": "In Qingyang, Ṛṣi Pañcamī 1952 falls on Monday 25 August. Pañcamī runs from 07:22 on Mon 25 Aug to 08:19 on Tue 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13531, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1952-08-26T08:18:51+08:00", "utc": "1952-08-26T00:18:51Z", "ms": -547515668776.8608 }, "end": { "local": "1952-08-27T08:41:09+08:00", "utc": "1952-08-27T00:41:09Z", "ms": -547427930663.26025 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-26T08:18:51+08:00", "utc": "1952-08-26T00:18:51Z", "ms": -547515668776.8608 }, "end": { "local": "1952-08-27T08:41:09+08:00", "utc": "1952-08-27T00:41:09Z", "ms": -547427930663.26025 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-08-26", "window": { "start": { "local": "1952-08-26T12:26:57+08:00", "utc": "1952-08-26T04:26:57Z", "ms": -547500782946.4857 }, "end": { "local": "1952-08-26T13:14:57+08:00", "utc": "1952-08-26T05:14:57Z", "ms": -547497902946.4857 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-08-27", "window": { "start": { "local": "1952-08-27T12:26:40+08:00", "utc": "1952-08-27T04:26:40Z", "ms": -547414399941.00916 }, "end": { "local": "1952-08-27T13:14:40+08:00", "utc": "1952-08-27T05:14:40Z", "ms": -547411519941.00916 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:19 on Tue 26 Aug to 08:41 on Wed 27 Aug.", "fact": "1952-08-26T00:18:51Z → 1952-08-27T00:41:09Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13531 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Qingyang, 1952: Tuesday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-26", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Bhādrapada) 1952 falls on Tuesday 26 August. Ṣaṣṭhī runs from 08:19 on Tue 26 Aug to 08:41 on Wed 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13531, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1952-08-27T08:41:09+08:00", "utc": "1952-08-27T00:41:09Z", "ms": -547427930663.26025 }, "end": { "local": "1952-08-28T08:25:39+08:00", "utc": "1952-08-28T00:25:39Z", "ms": -547342460588.90515 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-27T08:41:09+08:00", "utc": "1952-08-27T00:41:09Z", "ms": -547427930663.26025 }, "end": { "local": "1952-08-28T08:25:39+08:00", "utc": "1952-08-28T00:25:39Z", "ms": -547342460588.90515 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-08-27", "window": { "start": { "local": "1952-08-27T12:26:40+08:00", "utc": "1952-08-27T04:26:40Z", "ms": -547414399941.00916 }, "end": { "local": "1952-08-27T13:14:40+08:00", "utc": "1952-08-27T05:14:40Z", "ms": -547411519941.00916 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-08-28", "window": { "start": { "local": "1952-08-28T12:26:23+08:00", "utc": "1952-08-28T04:26:23Z", "ms": -547328017326.7449 }, "end": { "local": "1952-08-28T13:14:23+08:00", "utc": "1952-08-28T05:14:23Z", "ms": -547325137326.7449 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:41 on Wed 27 Aug to 08:26 on Thu 28 Aug.", "fact": "1952-08-27T00:41:09Z → 1952-08-28T00:25:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 27th, 12:26–13:14 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13531 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Qingyang, 1952: Wednesday 27 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-27", "confidence": "determinate" } ], "quote": "In Qingyang, Muktābharaṇa Vrata 1952 falls on Wednesday 27 August. Saptamī runs from 08:41 on Wed 27 Aug to 08:26 on Thu 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14443, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1952-08-28T08:25:39+08:00", "utc": "1952-08-28T00:25:39Z", "ms": -547342460588.90515 }, "end": { "local": "1952-08-29T07:30:56+08:00", "utc": "1952-08-28T23:30:56Z", "ms": -547259343761.06366 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-28T08:25:39+08:00", "utc": "1952-08-28T00:25:39Z", "ms": -547342460588.90515 }, "end": { "local": "1952-08-29T07:30:56+08:00", "utc": "1952-08-28T23:30:56Z", "ms": -547259343761.06366 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-08-28", "window": { "start": { "local": "1952-08-28T12:26:23+08:00", "utc": "1952-08-28T04:26:23Z", "ms": -547328017326.7449 }, "end": { "local": "1952-08-28T13:14:23+08:00", "utc": "1952-08-28T05:14:23Z", "ms": -547325137326.7449 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-08-29", "window": { "start": { "local": "1952-08-29T12:26:05+08:00", "utc": "1952-08-29T04:26:05Z", "ms": -547241635089.4094 }, "end": { "local": "1952-08-29T13:14:05+08:00", "utc": "1952-08-29T05:14:05Z", "ms": -547238755089.4094 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:26 on Thu 28 Aug to 07:31 on Fri 29 Aug.", "fact": "1952-08-28T00:25:39Z → 1952-08-28T23:30:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 28th, 12:26–13:14 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14443 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Qingyang, 1952: Thursday 28 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-28", "confidence": "determinate" } ], "quote": "In Qingyang, Rādhāṣṭamī 1952 falls on Thursday 28 August. Aṣṭamī runs from 08:26 on Thu 28 Aug to 07:31 on Fri 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-08-31", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9160, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-08-31T03:47:46+08:00", "utc": "1952-08-30T19:47:46Z", "ms": -547099933674.81244 }, "end": { "local": "1952-09-01T01:06:10+08:00", "utc": "1952-08-31T17:06:10Z", "ms": -547023229881.4306 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-08-31T03:47:46+08:00", "utc": "1952-08-30T19:47:46Z", "ms": -547099933674.81244 }, "end": { "local": "1952-09-01T01:06:10+08:00", "utc": "1952-08-31T17:06:10Z", "ms": -547023229881.4306 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-08-31", "window": { "start": { "local": "1952-08-31T06:20:27+08:00", "utc": "1952-08-30T22:20:27Z", "ms": -547090773457.3246 }, "end": { "local": "1952-08-31T06:20:27+08:00", "utc": "1952-08-30T22:20:27Z", "ms": -547090773457.3246 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-09-01", "window": { "start": { "local": "1952-09-01T06:21:12+08:00", "utc": "1952-08-31T22:21:12Z", "ms": -547004327743.24634 }, "end": { "local": "1952-09-01T06:21:12+08:00", "utc": "1952-08-31T22:21:12Z", "ms": -547004327743.24634 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:48 on Sun 31 Aug to 01:06 on Mon 1 Sep.", "fact": "1952-08-30T19:47:46Z → 1952-08-31T17:06:10Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 31st and 06:21 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9160 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Qingyang, 1952: Sunday 31 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-08-31", "confidence": "determinate" } ], "quote": "In Qingyang, Parivartanī Ekādaśī 1952 falls on Sunday 31 August. Ekādaśī runs from 03:48 on Sun 31 Aug to 01:06 on Mon 1 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-08-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31531, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1952-09-01T01:06:10+08:00", "utc": "1952-08-31T17:06:10Z", "ms": -547023229881.4306 }, "end": { "local": "1952-09-01T21:58:41+08:00", "utc": "1952-09-01T13:58:41Z", "ms": -546948079211.9521 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-09-01T01:06:10+08:00", "utc": "1952-08-31T17:06:10Z", "ms": -547023229881.4306 }, "end": { "local": "1952-09-01T21:58:41+08:00", "utc": "1952-09-01T13:58:41Z", "ms": -546948079211.9521 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-08-31", "window": { "start": { "local": "1952-08-31T12:25:28+08:00", "utc": "1952-08-31T04:25:28Z", "ms": -547068871683.1218 }, "end": { "local": "1952-08-31T13:13:28+08:00", "utc": "1952-08-31T05:13:28Z", "ms": -547065991683.1218 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-09-01", "window": { "start": { "local": "1952-09-01T12:25:10+08:00", "utc": "1952-09-01T04:25:10Z", "ms": -546982490479.9776 }, "end": { "local": "1952-09-01T13:13:10+08:00", "utc": "1952-09-01T05:13:10Z", "ms": -546979610479.9776 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:06 on Mon 1 Sep to 21:59 on Mon 1 Sep.", "fact": "1952-08-31T17:06:10Z → 1952-09-01T13:58:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 31st, 12:25–13:13 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31531 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Qingyang, 1952: Monday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-01", "confidence": "determinate" } ], "quote": "In Qingyang, Vāmana Jayantī 1952 falls on Monday 1 September. Dvādaśī runs from 01:06 on Mon 1 Sep to 21:59 on Mon 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/pradosha-vrata?on=1952-09-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-01", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2584, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-09-01T21:58:41+08:00", "utc": "1952-09-01T13:58:41Z", "ms": -546948079211.9521 }, "end": { "local": "1952-09-02T18:32:39+08:00", "utc": "1952-09-02T10:32:39Z", "ms": -546874040813.9102 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-09-01T21:58:41+08:00", "utc": "1952-09-01T13:58:41Z", "ms": -546948079211.9521 }, "end": { "local": "1952-09-02T18:32:39+08:00", "utc": "1952-09-02T10:32:39Z", "ms": -546874040813.9102 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-09-01", "window": { "start": { "local": "1952-09-01T19:17:07+08:00", "utc": "1952-09-01T11:17:07Z", "ms": -546957773216.70886 }, "end": { "local": "1952-09-01T20:45:46+08:00", "utc": "1952-09-01T12:45:46Z", "ms": -546952454403.70624 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1952-09-02", "window": { "start": { "local": "1952-09-02T19:15:43+08:00", "utc": "1952-09-02T11:15:43Z", "ms": -546871457051.1902 }, "end": { "local": "1952-09-02T20:44:39+08:00", "utc": "1952-09-02T12:44:39Z", "ms": -546866120987.71576 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:59 on Mon 1 Sep to 18:33 on Tue 2 Sep.", "fact": "1952-09-01T13:58:41Z → 1952-09-02T10:32:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:17–20:46 on the 1st, 19:16–20:45 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 89 minutes on the 1st and 0 of 89 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 2584 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1952: Monday 1 September.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-09-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-01", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1952 falls on Monday 1 September. Trayodaśī runs from 21:59 on Mon 1 Sep to 18:33 on Tue 2 Sep, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-09-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21566, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-09-02T18:32:39+08:00", "utc": "1952-09-02T10:32:39Z", "ms": -546874040813.9102 }, "end": { "local": "1952-09-03T14:56:28+08:00", "utc": "1952-09-03T06:56:28Z", "ms": -546800611934.28546 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1952-09-02T18:32:39+08:00", "utc": "1952-09-02T10:32:39Z", "ms": -546874040813.9102 }, "end": { "local": "1952-09-03T14:56:28+08:00", "utc": "1952-09-03T06:56:28Z", "ms": -546800611934.28546 } }, "kaala": "udaya-3", "days": [ { "local_date": "1952-09-02", "window": { "start": { "local": "1952-09-02T06:21:58+08:00", "utc": "1952-09-01T22:21:58Z", "ms": -546917882119.189 }, "end": { "local": "1952-09-02T08:56:43+08:00", "utc": "1952-09-02T00:56:43Z", "ms": -546908597105.58923 } }, "covered_min": 0, "window_min": 155, "qualifies": false }, { "local_date": "1952-09-03", "window": { "start": { "local": "1952-09-03T06:22:43+08:00", "utc": "1952-09-02T22:22:43Z", "ms": -546831436575.132 }, "end": { "local": "1952-09-03T08:57:02+08:00", "utc": "1952-09-03T00:57:02Z", "ms": -546822177536.4247 } }, "covered_min": 154, "window_min": 154, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:33 on Tue 2 Sep to 14:56 on Wed 3 Sep.", "fact": "1952-09-02T10:32:39Z → 1952-09-03T06:56:28Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:22–08:57 on the 2nd, 06:23–08:57 on the 3rd.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 155 minutes on the 2nd and 154 of 154 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21566 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Qingyang, 1952: Wednesday 3 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananta-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)." } ], "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.", "kaala": "udaya-3", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-03", "confidence": "determinate" } ], "quote": "In Qingyang, Ananta Caturdaśī 1952 falls on Wednesday 3 September. Caturdaśī runs from 18:33 on Tue 2 Sep to 14:56 on Wed 3 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/sankashta-chaturthi?on=1952-09-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11143, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-09-07T01:57:26+08:00", "utc": "1952-09-06T17:57:26Z", "ms": -546501753519.5058 }, "end": { "local": "1952-09-07T23:51:10+08:00", "utc": "1952-09-07T15:51:10Z", "ms": -546422930432.7345 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-07T01:57:26+08:00", "utc": "1952-09-06T17:57:26Z", "ms": -546501753519.5058 }, "end": { "local": "1952-09-07T23:51:10+08:00", "utc": "1952-09-07T15:51:10Z", "ms": -546422930432.7345 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-09-06", "window": { "start": { "local": "1952-09-06T20:13:35+08:00", "utc": "1952-09-06T12:13:35Z", "ms": -546522384947.4815 }, "end": { "local": "1952-09-06T20:13:35+08:00", "utc": "1952-09-06T12:13:35Z", "ms": -546522384947.4815 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-09-07", "window": { "start": { "local": "1952-09-07T20:45:26+08:00", "utc": "1952-09-07T12:45:26Z", "ms": -546434073695.86115 }, "end": { "local": "1952-09-07T20:45:26+08:00", "utc": "1952-09-07T12:45:26Z", "ms": -546434073695.86115 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:57 on Sun 7 Sep to 23:51 on Sun 7 Sep.", "fact": "1952-09-06T17:57:26Z → 1952-09-07T15:51:10Z" }, { "step": "kaala", "text": "Moonrise is at 20:14 on the 6th and 20:45 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11143 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1952: Sunday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-07", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1952 falls on Sunday 7 September. Caturthī runs from 01:57 on Sun 7 Sep to 23:51 on Sun 7 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/sankashta-chaturthi?on=1952-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-08", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 405, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1952-09-08T22:28:28+08:00", "utc": "1952-09-08T14:28:28Z", "ms": -546341491931.6618 }, "end": { "local": "1952-09-09T21:54:11+08:00", "utc": "1952-09-09T13:54:11Z", "ms": -546257149419.3561 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-08T22:28:28+08:00", "utc": "1952-09-08T14:28:28Z", "ms": -546341491931.6618 }, "end": { "local": "1952-09-09T21:54:11+08:00", "utc": "1952-09-09T13:54:11Z", "ms": -546257149419.3561 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-09-08", "window": { "start": { "local": "1952-09-08T21:20:46+08:00", "utc": "1952-09-08T13:20:46Z", "ms": -546345553785.1982 }, "end": { "local": "1952-09-08T21:20:46+08:00", "utc": "1952-09-08T13:20:46Z", "ms": -546345553785.1982 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-09-09", "window": { "start": { "local": "1952-09-09T22:00:56+08:00", "utc": "1952-09-09T14:00:56Z", "ms": -546256743939.9916 }, "end": { "local": "1952-09-09T22:00:56+08:00", "utc": "1952-09-09T14:00:56Z", "ms": -546256743939.9916 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:28 on Mon 8 Sep to 21:54 on Tue 9 Sep.", "fact": "1952-09-08T14:28:28Z → 1952-09-09T13:54:11Z" }, { "step": "kaala", "text": "Moonrise is at 21:21 on the 8th and 22:01 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: purvaviddha → tithi-day · margin 405 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Qingyang, 1952: Monday 8 September.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1952-09-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-08", "confidence": "boundary" } ], "quote": "In Qingyang, Candra Ṣaṣṭhī 1952 falls on Monday 8 September. Ṣaṣṭhī runs from 22:28 on Mon 8 Sep to 21:54 on Tue 9 Sep, and is current at moonrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1516, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1952-09-10T22:09:50+08:00", "utc": "1952-09-10T14:09:50Z", "ms": -546169810400.0384 }, "end": { "local": "1952-09-11T23:13:00+08:00", "utc": "1952-09-11T15:13:00Z", "ms": -546079619855.49054 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-10T22:09:50+08:00", "utc": "1952-09-10T14:09:50Z", "ms": -546169810400.0384 }, "end": { "local": "1952-09-11T23:13:00+08:00", "utc": "1952-09-11T15:13:00Z", "ms": -546079619855.49054 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-09-10", "window": { "start": { "local": "1952-09-10T22:46:47+08:00", "utc": "1952-09-10T14:46:47Z", "ms": -546167592836.3688 }, "end": { "local": "1952-09-10T22:46:47+08:00", "utc": "1952-09-10T14:46:47Z", "ms": -546167592836.3688 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-09-11", "window": { "start": { "local": "1952-09-11T23:38:16+08:00", "utc": "1952-09-11T15:38:16Z", "ms": -546078104000.3041 }, "end": { "local": "1952-09-11T23:38:16+08:00", "utc": "1952-09-11T15:38:16Z", "ms": -546078104000.3041 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:10 on Wed 10 Sep to 23:13 on Thu 11 Sep.", "fact": "1952-09-10T14:09:50Z → 1952-09-11T15:13:00Z" }, { "step": "kaala", "text": "Moonrise is at 22:47 on the 10th and 23:38 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1516 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Qingyang, 1952: Wednesday 10 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": "1952-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-10", "confidence": "determinate" } ], "quote": "In Qingyang, Mahālakṣmī Vrata Samāpana 1952 falls on Wednesday 10 September. Aṣṭamī runs from 22:10 on Wed 10 Sep to 23:13 on Thu 11 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5657, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1952-09-10T22:09:50+08:00", "utc": "1952-09-10T14:09:50Z", "ms": -546169810400.0384 }, "end": { "local": "1952-09-11T23:13:00+08:00", "utc": "1952-09-11T15:13:00Z", "ms": -546079619855.49054 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-10T22:09:50+08:00", "utc": "1952-09-10T14:09:50Z", "ms": -546169810400.0384 }, "end": { "local": "1952-09-11T23:13:00+08:00", "utc": "1952-09-11T15:13:00Z", "ms": -546079619855.49054 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-09-10", "window": { "start": { "local": "1952-09-10T19:04:17+08:00", "utc": "1952-09-10T11:04:17Z", "ms": -546180942997.3597 }, "end": { "local": "1952-09-10T20:35:33+08:00", "utc": "1952-09-10T12:35:33Z", "ms": -546175467065.9083 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1952-09-11", "window": { "start": { "local": "1952-09-11T19:02:50+08:00", "utc": "1952-09-11T11:02:50Z", "ms": -546094630193.78546 }, "end": { "local": "1952-09-11T20:34:23+08:00", "utc": "1952-09-11T12:34:23Z", "ms": -546089136582.0293 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:10 on Wed 10 Sep to 23:13 on Thu 11 Sep.", "fact": "1952-09-10T14:09:50Z → 1952-09-11T15:13:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:04–20:36 on the 10th, 19:03–20:34 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 91 minutes on the 10th and 92 of 92 on the 11th.", "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 5657 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Qingyang, 1952: Thursday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-11", "confidence": "determinate" } ], "quote": "In Qingyang, Jitāṣṭamī (Jitiya) 1952 falls on Thursday 11 September. Aṣṭamī runs from 22:10 on Wed 10 Sep to 23:13 on Thu 11 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-09-14", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2744, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-09-14T03:12:15+08:00", "utc": "1952-09-13T19:12:15Z", "ms": -545892464562.68054 }, "end": { "local": "1952-09-15T05:46:04+08:00", "utc": "1952-09-14T21:46:04Z", "ms": -545796835988.5378 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-14T03:12:15+08:00", "utc": "1952-09-13T19:12:15Z", "ms": -545892464562.68054 }, "end": { "local": "1952-09-15T05:46:04+08:00", "utc": "1952-09-14T21:46:04Z", "ms": -545796835988.5378 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-09-14", "window": { "start": { "local": "1952-09-14T06:31:03+08:00", "utc": "1952-09-13T22:31:03Z", "ms": -545880537170.88043 }, "end": { "local": "1952-09-14T06:31:03+08:00", "utc": "1952-09-13T22:31:03Z", "ms": -545880537170.88043 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-09-15", "window": { "start": { "local": "1952-09-15T06:31:48+08:00", "utc": "1952-09-14T22:31:48Z", "ms": -545794091625.32336 }, "end": { "local": "1952-09-15T06:31:48+08:00", "utc": "1952-09-14T22:31:48Z", "ms": -545794091625.32336 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:12 on Sun 14 Sep to 05:46 on Mon 15 Sep.", "fact": "1952-09-13T19:12:15Z → 1952-09-14T21:46:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:31 on the 14th and 06:32 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2744 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Qingyang, 1952: Sunday 14 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": "1952-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-14", "confidence": "determinate" } ], "quote": "In Qingyang, Indirā Ekādaśī 1952 falls on Sunday 14 September. Ekādaśī runs from 03:12 on Sun 14 Sep to 05:46 on Mon 15 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-09-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-09-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28397, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-09-16T08:26:00+08:00", "utc": "1952-09-16T00:26:00Z", "ms": -545700839851.31146 }, "end": { "local": "1952-09-17T11:00:45+08:00", "utc": "1952-09-17T03:00:45Z", "ms": -545605154602.502 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-16T08:26:00+08:00", "utc": "1952-09-16T00:26:00Z", "ms": -545700839851.31146 }, "end": { "local": "1952-09-17T11:00:45+08:00", "utc": "1952-09-17T03:00:45Z", "ms": -545605154602.502 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-09-16", "window": { "start": { "local": "1952-09-16T18:55:31+08:00", "utc": "1952-09-16T10:55:31Z", "ms": -545663068983.0245 }, "end": { "local": "1952-09-16T20:28:34+08:00", "utc": "1952-09-16T12:28:34Z", "ms": -545657486496.9428 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1952-09-17", "window": { "start": { "local": "1952-09-17T18:54:03+08:00", "utc": "1952-09-17T10:54:03Z", "ms": -545576757107.8414 }, "end": { "local": "1952-09-17T20:27:23+08:00", "utc": "1952-09-17T12:27:23Z", "ms": -545571156770.5905 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:26 on Tue 16 Sep to 11:01 on Wed 17 Sep.", "fact": "1952-09-16T00:26:00Z → 1952-09-17T03:00:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:29 on the 16th, 18:54–20:27 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 16th and 0 of 93 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28397 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1952: Tuesday 16 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": "1952-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-16", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1952 falls on Tuesday 16 September. Trayodaśī runs from 08:26 on Tue 16 Sep to 11:01 on Wed 17 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-09-16", "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/1952/shivaratri?on=1952-09-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35540, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-09-17T11:00:45+08:00", "utc": "1952-09-17T03:00:45Z", "ms": -545605154602.502 }, "end": { "local": "1952-09-18T13:21:24+08:00", "utc": "1952-09-18T05:21:24Z", "ms": -545510315986.10156 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-17T11:00:45+08:00", "utc": "1952-09-17T03:00:45Z", "ms": -545605154602.502 }, "end": { "local": "1952-09-18T13:21:24+08:00", "utc": "1952-09-18T05:21:24Z", "ms": -545510315986.10156 } }, "kaala": "nishita", "days": [ { "local_date": "1952-09-16", "window": { "start": { "local": "1952-09-17T00:20:25+08:00", "utc": "1952-09-16T16:20:25Z", "ms": -545643574660.21826 }, "end": { "local": "1952-09-17T01:08:25+08:00", "utc": "1952-09-16T17:08:25Z", "ms": -545640694660.21826 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-09-17", "window": { "start": { "local": "1952-09-18T00:20:04+08:00", "utc": "1952-09-17T16:20:04Z", "ms": -545557195843.15063 }, "end": { "local": "1952-09-18T01:08:04+08:00", "utc": "1952-09-17T17:08:04Z", "ms": -545554315843.15063 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:01 on Wed 17 Sep to 13:21 on Thu 18 Sep.", "fact": "1952-09-17T03:00:45Z → 1952-09-18T05:21:24Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:20–01:08 on the 16th, 00:20–01:08 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35540 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1952: Wednesday 17 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-17", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1952 falls on Wednesday 17 September. Caturdaśī runs from 11:01 on Wed 17 Sep to 13:21 on Thu 18 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/shivaratri?on=1952-09-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-18", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2147, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1952-09-18T13:21:24+08:00", "utc": "1952-09-18T05:21:24Z", "ms": -545510315986.10156 }, "end": { "local": "1952-09-19T15:21:44+08:00", "utc": "1952-09-19T07:21:44Z", "ms": -545416695609.50183 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-18T13:21:24+08:00", "utc": "1952-09-18T05:21:24Z", "ms": -545510315986.10156 }, "end": { "local": "1952-09-19T15:21:44+08:00", "utc": "1952-09-19T07:21:44Z", "ms": -545416695609.50183 } }, "kaala": "aparahna", "days": [ { "local_date": "1952-09-18", "window": { "start": { "local": "1952-09-18T13:57:11+08:00", "utc": "1952-09-18T05:57:11Z", "ms": -545508169006.1563 }, "end": { "local": "1952-09-18T16:24:53+08:00", "utc": "1952-09-18T08:24:53Z", "ms": -545499307148.72174 } }, "covered_min": 148, "window_min": 148, "qualifies": true }, { "local_date": "1952-09-19", "window": { "start": { "local": "1952-09-19T13:56:36+08:00", "utc": "1952-09-19T05:56:36Z", "ms": -545421803596.8732 }, "end": { "local": "1952-09-19T16:23:51+08:00", "utc": "1952-09-19T08:23:51Z", "ms": -545412968551.69366 } }, "covered_min": 85, "window_min": 147, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 13:21 on Thu 18 Sep to 15:22 on Fri 19 Sep.", "fact": "1952-09-18T05:21:24Z → 1952-09-19T07:21:44Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:57–16:25 on the 18th, 13:57–16:24 on the 19th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 148 of 148 minutes on the 18th and 85 of 147 on the 19th.", "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 2147 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Qingyang, 1952: Thursday 18 September.", "fact": "confidence: boundary (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": "1952-09-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-18", "confidence": "boundary" } ], "quote": "In Qingyang, Mahālaya Amāvāsyā 1952 falls on Thursday 18 September. Amāvasyā runs from 13:21 on Thu 18 Sep to 15:22 on Fri 19 Sep and covers all of aparāhṇa that afternoon. It also reaches the next afternoon for 85 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/1952/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/1952/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8086, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1952-09-19T15:21:44+08:00", "utc": "1952-09-19T07:21:44Z", "ms": -545416695609.50183 }, "end": { "local": "1952-09-20T16:58:03+08:00", "utc": "1952-09-20T08:58:03Z", "ms": -545324517095.02185 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-19T15:21:44+08:00", "utc": "1952-09-19T07:21:44Z", "ms": -545416695609.50183 }, "end": { "local": "1952-09-20T16:58:03+08:00", "utc": "1952-09-20T08:58:03Z", "ms": -545324517095.02185 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-09-19", "window": { "start": { "local": "1952-09-19T12:18:59+08:00", "utc": "1952-09-19T04:18:59Z", "ms": -545427661119.463 }, "end": { "local": "1952-09-19T13:06:59+08:00", "utc": "1952-09-19T05:06:59Z", "ms": -545424781119.463 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-09-20", "window": { "start": { "local": "1952-09-20T12:18:38+08:00", "utc": "1952-09-20T04:18:38Z", "ms": -545341282259.1139 }, "end": { "local": "1952-09-20T13:06:38+08:00", "utc": "1952-09-20T05:06:38Z", "ms": -545338402259.1139 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:22 on Fri 19 Sep to 16:58 on Sat 20 Sep.", "fact": "1952-09-19T07:21:44Z → 1952-09-20T08:58:03Z" }, { "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": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8086 s" }, { "step": "ruling", "text": "Navarātrārambha, Qingyang, 1952: Saturday 20 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-20", "confidence": "determinate" } ], "quote": "In Qingyang, Navarātrārambha (Navratri) 1952 falls on Saturday 20 September. Pratipadā runs from 15:22 on Fri 19 Sep to 16:58 on Sat 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/vinayaka-chaturthi?on=1952-09-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20770, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-09-22T18:52:05+08:00", "utc": "1952-09-22T10:52:05Z", "ms": -545144874603.5374 }, "end": { "local": "1952-09-23T19:08:43+08:00", "utc": "1952-09-23T11:08:43Z", "ms": -545057477385.88873 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-22T18:52:05+08:00", "utc": "1952-09-22T10:52:05Z", "ms": -545144874603.5374 }, "end": { "local": "1952-09-23T19:08:43+08:00", "utc": "1952-09-23T11:08:43Z", "ms": -545057477385.88873 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-09-22", "window": { "start": { "local": "1952-09-22T12:17:56+08:00", "utc": "1952-09-22T04:17:56Z", "ms": -545168524334.6852 }, "end": { "local": "1952-09-22T13:05:56+08:00", "utc": "1952-09-22T05:05:56Z", "ms": -545165644334.6852 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-09-23", "window": { "start": { "local": "1952-09-23T12:17:35+08:00", "utc": "1952-09-23T04:17:35Z", "ms": -545082145236.0303 }, "end": { "local": "1952-09-23T13:05:35+08:00", "utc": "1952-09-23T05:05:35Z", "ms": -545079265236.0303 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:52 on Mon 22 Sep to 19:09 on Tue 23 Sep.", "fact": "1952-09-22T10:52:05Z → 1952-09-23T11:08:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 22nd, 12:18–13:06 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20770 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1952: Tuesday 23 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-23", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1952 falls on Tuesday 23 September. Caturthī runs from 18:52 on Mon 22 Sep to 19:09 on Tue 23 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/vinayaka-chaturthi?on=1952-09-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35143, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1952-09-25T18:19:53+08:00", "utc": "1952-09-25T10:19:53Z", "ms": -544887607376.06683 }, "end": { "local": "1952-09-26T17:14:00+08:00", "utc": "1952-09-26T09:14:00Z", "ms": -544805159513.4159 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-25T18:19:53+08:00", "utc": "1952-09-25T10:19:53Z", "ms": -544887607376.06683 }, "end": { "local": "1952-09-26T17:14:00+08:00", "utc": "1952-09-26T09:14:00Z", "ms": -544805159513.4159 } }, "kaala": "udaya-1", "days": [ { "local_date": "1952-09-25", "window": { "start": { "local": "1952-09-25T06:39:29+08:00", "utc": "1952-09-24T22:39:29Z", "ms": -544929631385.32587 }, "end": { "local": "1952-09-25T07:27:40+08:00", "utc": "1952-09-24T23:27:40Z", "ms": -544926740091.0256 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-09-26", "window": { "start": { "local": "1952-09-26T06:40:15+08:00", "utc": "1952-09-25T22:40:15Z", "ms": -544843184706.6769 }, "end": { "local": "1952-09-26T07:28:18+08:00", "utc": "1952-09-25T23:28:18Z", "ms": -544840302370.1412 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:20 on Thu 25 Sep to 17:14 on Fri 26 Sep.", "fact": "1952-09-25T10:19:53Z → 1952-09-26T09:14:00Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:39–07:28 on the 25th, 06:40–07:28 on the 26th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35143 s" }, { "step": "ruling", "text": "Durgā Saptamī, Qingyang, 1952: Friday 26 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-26", "confidence": "determinate" } ], "quote": "In Qingyang, Durgā Saptamī 1952 falls on Friday 26 September. Saptamī runs from 18:20 on Thu 25 Sep to 17:14 on Fri 26 Sep and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9391, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1952-09-26T17:14:00+08:00", "utc": "1952-09-26T09:14:00Z", "ms": -544805159513.4159 }, "end": { "local": "1952-09-27T15:40:43+08:00", "utc": "1952-09-27T07:40:43Z", "ms": -544724356546.5634 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-26T17:14:00+08:00", "utc": "1952-09-26T09:14:00Z", "ms": -544805159513.4159 }, "end": { "local": "1952-09-27T15:40:43+08:00", "utc": "1952-09-27T07:40:43Z", "ms": -544724356546.5634 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-09-26", "window": { "start": { "local": "1952-09-26T12:16:33+08:00", "utc": "1952-09-26T04:16:33Z", "ms": -544823007182.6592 }, "end": { "local": "1952-09-26T13:04:33+08:00", "utc": "1952-09-26T05:04:33Z", "ms": -544820127182.6592 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-09-27", "window": { "start": { "local": "1952-09-27T12:16:12+08:00", "utc": "1952-09-27T04:16:12Z", "ms": -544736627518.00024 }, "end": { "local": "1952-09-27T13:04:12+08:00", "utc": "1952-09-27T05:04:12Z", "ms": -544733747518.00024 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:14 on Fri 26 Sep to 15:41 on Sat 27 Sep.", "fact": "1952-09-26T09:14:00Z → 1952-09-27T07:40:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 26th, 12:16–13:04 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9391 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Qingyang, 1952: Saturday 27 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-27", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāṣṭamī (Durga Ashtami) 1952 falls on Saturday 27 September. Aṣṭamī runs from 17:14 on Fri 26 Sep to 15:41 on Sat 27 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2234, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1952-09-27T15:40:43+08:00", "utc": "1952-09-27T07:40:43Z", "ms": -544724356546.5634 }, "end": { "local": "1952-09-28T13:41:07+08:00", "utc": "1952-09-28T05:41:07Z", "ms": -544645133409.1483 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-27T15:40:43+08:00", "utc": "1952-09-27T07:40:43Z", "ms": -544724356546.5634 }, "end": { "local": "1952-09-28T13:41:07+08:00", "utc": "1952-09-28T05:41:07Z", "ms": -544645133409.1483 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-09-27", "window": { "start": { "local": "1952-09-27T12:16:12+08:00", "utc": "1952-09-27T04:16:12Z", "ms": -544736627518.00024 }, "end": { "local": "1952-09-27T13:04:12+08:00", "utc": "1952-09-27T05:04:12Z", "ms": -544733747518.00024 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-09-28", "window": { "start": { "local": "1952-09-28T12:15:52+08:00", "utc": "1952-09-28T04:15:52Z", "ms": -544650247664.48566 }, "end": { "local": "1952-09-28T13:03:52+08:00", "utc": "1952-09-28T05:03:52Z", "ms": -544647367664.48566 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 15:41 on Sat 27 Sep to 13:41 on Sun 28 Sep.", "fact": "1952-09-27T07:40:43Z → 1952-09-28T05:41:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 27th, 12:16–13:04 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2234 s" }, { "step": "ruling", "text": "Mahānavamī, Qingyang, 1952: Sunday 28 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-28", "confidence": "determinate" } ], "quote": "In Qingyang, Mahānavamī 1952 falls on Sunday 28 September. Navamī runs from 15:41 on Sat 27 Sep to 13:41 on Sun 28 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-29", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 161, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1952-09-28T13:41:07+08:00", "utc": "1952-09-28T05:41:07Z", "ms": -544645133409.1483 }, "end": { "local": "1952-09-29T11:17:25+08:00", "utc": "1952-09-29T03:17:25Z", "ms": -544567355237.8078 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1952-09-29T06:45:18+08:00", "utc": "1952-09-28T22:45:18Z", "ms": -544583682352.0616 }, "end": { "local": "1952-09-29T11:17:25+08:00", "utc": "1952-09-29T03:17:25Z", "ms": -544567355237.8078 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1952-09-29T06:45:18+08:00", "utc": "1952-09-28T22:45:18Z", "ms": -544583682352.0616 }, "end": { "local": "1952-09-30T04:50:32+08:00", "utc": "1952-09-29T20:50:32Z", "ms": -544504167555.7367 } } }, "kaala": "daytime", "days": [ { "local_date": "1952-09-28", "window": { "start": { "local": "1952-09-28T06:41:49+08:00", "utc": "1952-09-27T22:41:49Z", "ms": -544670290879.73676 }, "end": { "local": "1952-09-28T18:37:56+08:00", "utc": "1952-09-28T10:37:56Z", "ms": -544627324449.23456 } }, "covered_min": 0, "window_min": 716, "qualifies": false }, { "local_date": "1952-09-29", "window": { "start": { "local": "1952-09-29T06:42:36+08:00", "utc": "1952-09-28T22:42:36Z", "ms": -544583843709.9276 }, "end": { "local": "1952-09-29T18:36:29+08:00", "utc": "1952-09-29T10:36:29Z", "ms": -544541011493.25916 } }, "covered_min": 272, "window_min": 714, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 13:41 on Sun 28 Sep to 11:17 on Mon 29 Sep, and Śravaṇa from 06:45 on Mon 29 Sep to 04:51 on Tue 30 Sep. They are together from 06:45 on Mon 29 Sep to 11:17 on Mon 29 Sep.", "fact": "1952-09-28T22:45:18Z → 1952-09-29T03:17:25Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:42–18:38 on the 28th, 06:43–18:36 on the 29th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 716 minutes on the 28th and 272 of 714 on the 29th.", "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 161 s < 300 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Qingyang, 1952: Monday 29 September.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-09-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-29", "confidence": "boundary" } ], "quote": "In Qingyang, Vijayā Daśamī (Dussehra) 1952 falls on Monday 29 September. Daśamī runs from 13:41 on Sun 28 Sep to 11:17 on Mon 29 Sep and is with Śravaṇa in the day time that day, for 272 minutes. It is 2 min 41 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-09-30", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6593, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-09-29T11:17:25+08:00", "utc": "1952-09-29T03:17:25Z", "ms": -544567355237.8078 }, "end": { "local": "1952-09-30T08:33:17+08:00", "utc": "1952-09-30T00:33:17Z", "ms": -544490803339.82135 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-09-29T11:17:25+08:00", "utc": "1952-09-29T03:17:25Z", "ms": -544567355237.8078 }, "end": { "local": "1952-09-30T08:33:17+08:00", "utc": "1952-09-30T00:33:17Z", "ms": -544490803339.82135 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-09-29", "window": { "start": { "local": "1952-09-29T06:42:36+08:00", "utc": "1952-09-28T22:42:36Z", "ms": -544583843709.9276 }, "end": { "local": "1952-09-29T06:42:36+08:00", "utc": "1952-09-28T22:42:36Z", "ms": -544583843709.9276 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-09-30", "window": { "start": { "local": "1952-09-30T06:43:24+08:00", "utc": "1952-09-29T22:43:24Z", "ms": -544497396352.68317 }, "end": { "local": "1952-09-30T06:43:24+08:00", "utc": "1952-09-29T22:43:24Z", "ms": -544497396352.68317 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:17 on Mon 29 Sep to 08:33 on Tue 30 Sep.", "fact": "1952-09-29T03:17:25Z → 1952-09-30T00:33:17Z" }, { "step": "kaala", "text": "Sunrise is at 06:43 on the 29th and 06:43 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6593 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Qingyang, 1952: Tuesday 30 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": "1952-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-09-30", "confidence": "determinate" } ], "quote": "In Qingyang, Pāśāṅkuśā Ekādaśī 1952 falls on Tuesday 30 September. Ekādaśī runs from 11:17 on Mon 29 Sep to 08:33 on Tue 30 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-09-30", "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/1952/pradosha-vrata?on=1952-10-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22471, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-10-01T05:33:50+08:00", "utc": "1952-09-30T21:33:50Z", "ms": -544415170072.63116 }, "end": { "local": "1952-10-02T02:25:38+08:00", "utc": "1952-10-01T18:25:38Z", "ms": -544340062191.17365 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1952-10-01T05:33:50+08:00", "utc": "1952-09-30T21:33:50Z", "ms": -544415170072.63116 }, "end": { "local": "1952-10-02T02:25:38+08:00", "utc": "1952-10-01T18:25:38Z", "ms": -544340062191.17365 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-09-30", "window": { "start": { "local": "1952-09-30T18:35:02+08:00", "utc": "1952-09-30T10:35:02Z", "ms": -544454698262.82904 }, "end": { "local": "1952-09-30T20:12:15+08:00", "utc": "1952-09-30T12:12:15Z", "ms": -544448865000.26337 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "1952-10-01", "window": { "start": { "local": "1952-10-01T18:33:35+08:00", "utc": "1952-10-01T10:33:35Z", "ms": -544368384727.0159 }, "end": { "local": "1952-10-01T20:11:06+08:00", "utc": "1952-10-01T12:11:06Z", "ms": -544362533565.6286 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:34 on Wed 1 Oct to 02:26 on Thu 2 Oct.", "fact": "1952-09-30T21:33:50Z → 1952-10-01T18:25:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:12 on the 30th, 18:34–20:11 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 30th and 98 of 98 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22471 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1952: Wednesday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-01", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1952 falls on Wednesday 1 October. Trayodaśī runs from 05:34 on Wed 1 Oct to 02:26 on Thu 2 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-10-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22882, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-10-06T13:32:43+08:00", "utc": "1952-10-06T05:32:43Z", "ms": -543954436875.8576 }, "end": { "local": "1952-10-07T12:34:57+08:00", "utc": "1952-10-07T04:34:57Z", "ms": -543871503465.72986 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-06T13:32:43+08:00", "utc": "1952-10-06T05:32:43Z", "ms": -543954436875.8576 }, "end": { "local": "1952-10-07T12:34:57+08:00", "utc": "1952-10-07T04:34:57Z", "ms": -543871503465.72986 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-10-06", "window": { "start": { "local": "1952-10-06T19:54:05+08:00", "utc": "1952-10-06T11:54:05Z", "ms": -543931554598.2109 }, "end": { "local": "1952-10-06T19:54:05+08:00", "utc": "1952-10-06T11:54:05Z", "ms": -543931554598.2109 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-10-07", "window": { "start": { "local": "1952-10-07T20:38:36+08:00", "utc": "1952-10-07T12:38:36Z", "ms": -543842483705.49756 }, "end": { "local": "1952-10-07T20:38:36+08:00", "utc": "1952-10-07T12:38:36Z", "ms": -543842483705.49756 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:33 on Mon 6 Oct to 12:35 on Tue 7 Oct.", "fact": "1952-10-06T05:32:43Z → 1952-10-07T04:34:57Z" }, { "step": "kaala", "text": "Moonrise is at 19:54 on the 6th and 20:39 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22882 s" }, { "step": "ruling", "text": "Karaka Caturthī, Qingyang, 1952: Monday 6 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": "1952-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-06", "confidence": "determinate" } ], "quote": "In Qingyang, Karaka Caturthī (Karwa Chauth) 1952 falls on Monday 6 October. Caturthī runs from 13:33 on Mon 6 Oct to 12:35 on Tue 7 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/sankashta-chaturthi?on=1952-10-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22882, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-10-06T13:32:43+08:00", "utc": "1952-10-06T05:32:43Z", "ms": -543954436875.8576 }, "end": { "local": "1952-10-07T12:34:57+08:00", "utc": "1952-10-07T04:34:57Z", "ms": -543871503465.72986 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-06T13:32:43+08:00", "utc": "1952-10-06T05:32:43Z", "ms": -543954436875.8576 }, "end": { "local": "1952-10-07T12:34:57+08:00", "utc": "1952-10-07T04:34:57Z", "ms": -543871503465.72986 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-10-06", "window": { "start": { "local": "1952-10-06T19:54:05+08:00", "utc": "1952-10-06T11:54:05Z", "ms": -543931554598.2109 }, "end": { "local": "1952-10-06T19:54:05+08:00", "utc": "1952-10-06T11:54:05Z", "ms": -543931554598.2109 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-10-07", "window": { "start": { "local": "1952-10-07T20:38:36+08:00", "utc": "1952-10-07T12:38:36Z", "ms": -543842483705.49756 }, "end": { "local": "1952-10-07T20:38:36+08:00", "utc": "1952-10-07T12:38:36Z", "ms": -543842483705.49756 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:33 on Mon 6 Oct to 12:35 on Tue 7 Oct.", "fact": "1952-10-06T05:32:43Z → 1952-10-07T04:34:57Z" }, { "step": "kaala", "text": "Moonrise is at 19:54 on the 6th and 20:39 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22882 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1952: Monday 6 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": "1952-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-06", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1952 falls on Monday 6 October. Caturthī runs from 13:33 on Mon 6 Oct to 12:35 on Tue 7 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/sankashta-chaturthi?on=1952-10-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27796, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1952-10-10T14:33:56+08:00", "utc": "1952-10-10T06:33:56Z", "ms": -543605164449.0686 }, "end": { "local": "1952-10-11T16:39:27+08:00", "utc": "1952-10-11T08:39:27Z", "ms": -543511232721.47986 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-10T14:33:56+08:00", "utc": "1952-10-10T06:33:56Z", "ms": -543605164449.0686 }, "end": { "local": "1952-10-11T16:39:27+08:00", "utc": "1952-10-11T08:39:27Z", "ms": -543511232721.47986 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-10-10", "window": { "start": { "local": "1952-10-10T23:23:05+08:00", "utc": "1952-10-10T15:23:05Z", "ms": -543573414560.1947 }, "end": { "local": "1952-10-10T23:23:05+08:00", "utc": "1952-10-10T15:23:05Z", "ms": -543573414560.1947 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-10-11", "window": { "start": { "local": "1952-10-12T00:22:43+08:00", "utc": "1952-10-11T16:22:43Z", "ms": -543483436623.05774 }, "end": { "local": "1952-10-12T00:22:43+08:00", "utc": "1952-10-11T16:22:43Z", "ms": -543483436623.05774 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 14:34 on Fri 10 Oct to 16:39 on Sat 11 Oct.", "fact": "1952-10-10T06:33:56Z → 1952-10-11T08:39:27Z" }, { "step": "kaala", "text": "Moonrise is at 23:23 on the 10th and 00:23 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27796 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Qingyang, 1952: Friday 10 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-10", "confidence": "determinate" } ], "quote": "In Qingyang, Ahoyī Aṣṭamī 1952 falls on Friday 10 October. Aṣṭamī runs from 14:34 on Fri 10 Oct to 16:39 on Sat 11 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-10-14", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23314, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-10-13T21:51:21+08:00", "utc": "1952-10-13T13:51:21Z", "ms": -543319718748.52747 }, "end": { "local": "1952-10-15T00:27:13+08:00", "utc": "1952-10-14T16:27:13Z", "ms": -543223967082.31445 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-13T21:51:21+08:00", "utc": "1952-10-13T13:51:21Z", "ms": -543319718748.52747 }, "end": { "local": "1952-10-15T00:27:13+08:00", "utc": "1952-10-14T16:27:13Z", "ms": -543223967082.31445 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-10-14", "window": { "start": { "local": "1952-10-14T06:54:55+08:00", "utc": "1952-10-13T22:54:55Z", "ms": -543287105109.4914 }, "end": { "local": "1952-10-14T06:54:55+08:00", "utc": "1952-10-13T22:54:55Z", "ms": -543287105109.4914 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-10-15", "window": { "start": { "local": "1952-10-15T06:55:47+08:00", "utc": "1952-10-14T22:55:47Z", "ms": -543200653247.3576 }, "end": { "local": "1952-10-15T06:55:47+08:00", "utc": "1952-10-14T22:55:47Z", "ms": -543200653247.3576 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:51 on Mon 13 Oct to 00:27 on Wed 15 Oct.", "fact": "1952-10-13T13:51:21Z → 1952-10-14T16:27:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:55 on the 14th and 06:56 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23314 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Qingyang, 1952: Tuesday 14 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": "1952-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-14", "confidence": "determinate" } ], "quote": "In Qingyang, Ramā Ekādaśī 1952 falls on Tuesday 14 October. Ekādaśī runs from 21:51 on Mon 13 Oct to 00:27 on Wed 15 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-10-14", "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/1952/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16218, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1952-10-15T00:27:13+08:00", "utc": "1952-10-14T16:27:13Z", "ms": -543223967082.31445 }, "end": { "local": "1952-10-16T02:45:06+08:00", "utc": "1952-10-15T18:45:06Z", "ms": -543129294328.7757 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-15T00:27:13+08:00", "utc": "1952-10-14T16:27:13Z", "ms": -543223967082.31445 }, "end": { "local": "1952-10-16T02:45:06+08:00", "utc": "1952-10-15T18:45:06Z", "ms": -543129294328.7757 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-10-14", "window": { "start": { "local": "1952-10-14T18:15:34+08:00", "utc": "1952-10-14T10:15:34Z", "ms": -543246266434.40155 }, "end": { "local": "1952-10-14T19:56:55+08:00", "utc": "1952-10-14T11:56:55Z", "ms": -543240184676.129 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "1952-10-15", "window": { "start": { "local": "1952-10-15T18:14:15+08:00", "utc": "1952-10-15T10:14:15Z", "ms": -543159945272.1954 }, "end": { "local": "1952-10-15T19:55:54+08:00", "utc": "1952-10-15T11:55:54Z", "ms": -543153846038.5707 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:27 on Wed 15 Oct to 02:45 on Thu 16 Oct.", "fact": "1952-10-14T16:27:13Z → 1952-10-15T18:45:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:16–19:57 on the 14th, 18:14–19:56 on the 15th.", "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 101 minutes on the 14th and 102 of 102 on the 15th.", "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 16218 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Qingyang, 1952: Wednesday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-15", "confidence": "determinate" } ], "quote": "In Qingyang, Govatsa Dvādaśī (Vasu Baras) 1952 falls on Wednesday 15 October. Dvādaśī runs from 00:27 on Wed 15 Oct to 02:45 on Thu 16 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24552, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-10-16T02:45:06+08:00", "utc": "1952-10-15T18:45:06Z", "ms": -543129294328.7757 }, "end": { "local": "1952-10-17T04:36:03+08:00", "utc": "1952-10-16T20:36:03Z", "ms": -543036237230.08734 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-16T02:45:06+08:00", "utc": "1952-10-15T18:45:06Z", "ms": -543129294328.7757 }, "end": { "local": "1952-10-17T04:36:03+08:00", "utc": "1952-10-16T20:36:03Z", "ms": -543036237230.08734 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-10-15", "window": { "start": { "local": "1952-10-15T18:14:15+08:00", "utc": "1952-10-15T10:14:15Z", "ms": -543159945272.1954 }, "end": { "local": "1952-10-15T19:55:54+08:00", "utc": "1952-10-15T11:55:54Z", "ms": -543153846038.5707 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1952-10-16", "window": { "start": { "local": "1952-10-16T18:12:57+08:00", "utc": "1952-10-16T10:12:57Z", "ms": -543073623330.40894 }, "end": { "local": "1952-10-16T19:54:53+08:00", "utc": "1952-10-16T11:54:53Z", "ms": -543067506676.5219 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:45 on Thu 16 Oct to 04:36 on Fri 17 Oct.", "fact": "1952-10-15T18:45:06Z → 1952-10-16T20:36:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–19:56 on the 15th, 18:13–19:55 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 15th and 102 of 102 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24552 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Qingyang, 1952: Thursday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-16", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Dīpadāna 1952 falls on Thursday 16 October. Trayodaśī runs from 02:45 on Thu 16 Oct to 04:36 on Fri 17 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/pradosha-vrata?on=1952-10-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24552, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-10-16T02:45:06+08:00", "utc": "1952-10-15T18:45:06Z", "ms": -543129294328.7757 }, "end": { "local": "1952-10-17T04:36:03+08:00", "utc": "1952-10-16T20:36:03Z", "ms": -543036237230.08734 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-16T02:45:06+08:00", "utc": "1952-10-15T18:45:06Z", "ms": -543129294328.7757 }, "end": { "local": "1952-10-17T04:36:03+08:00", "utc": "1952-10-16T20:36:03Z", "ms": -543036237230.08734 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-10-15", "window": { "start": { "local": "1952-10-15T18:14:15+08:00", "utc": "1952-10-15T10:14:15Z", "ms": -543159945272.1954 }, "end": { "local": "1952-10-15T19:55:54+08:00", "utc": "1952-10-15T11:55:54Z", "ms": -543153846038.5707 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1952-10-16", "window": { "start": { "local": "1952-10-16T18:12:57+08:00", "utc": "1952-10-16T10:12:57Z", "ms": -543073623330.40894 }, "end": { "local": "1952-10-16T19:54:53+08:00", "utc": "1952-10-16T11:54:53Z", "ms": -543067506676.5219 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:45 on Thu 16 Oct to 04:36 on Fri 17 Oct.", "fact": "1952-10-15T18:45:06Z → 1952-10-16T20:36:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–19:56 on the 15th, 18:13–19:55 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 15th and 102 of 102 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24552 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1952: Thursday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-16", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1952 falls on Thursday 16 October. Trayodaśī runs from 02:45 on Thu 16 Oct to 04:36 on Fri 17 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-10-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2354, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-10-17T04:36:03+08:00", "utc": "1952-10-16T20:36:03Z", "ms": -543036237230.08734 }, "end": { "local": "1952-10-18T05:55:24+08:00", "utc": "1952-10-17T21:55:24Z", "ms": -542945075684.132 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-17T04:36:03+08:00", "utc": "1952-10-16T20:36:03Z", "ms": -543036237230.08734 }, "end": { "local": "1952-10-18T05:55:24+08:00", "utc": "1952-10-17T21:55:24Z", "ms": -542945075684.132 } }, "kaala": "arunodaya", "days": [ { "local_date": "1952-10-17", "window": { "start": { "local": "1952-10-17T05:15:35+08:00", "utc": "1952-10-16T21:15:35Z", "ms": -543033865080.14343 }, "end": { "local": "1952-10-17T06:57:32+08:00", "utc": "1952-10-16T22:57:32Z", "ms": -543027748426.2564 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "1952-10-18", "window": { "start": { "local": "1952-10-18T05:16:11+08:00", "utc": "1952-10-17T21:16:11Z", "ms": -542947429481.1918 }, "end": { "local": "1952-10-18T06:58:25+08:00", "utc": "1952-10-17T22:58:25Z", "ms": -542941295466.1313 } }, "covered_min": 39, "window_min": 102, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:36 on Fri 17 Oct to 05:55 on Sat 18 Oct.", "fact": "1952-10-16T20:36:03Z → 1952-10-17T21:55:24Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:16–06:58 on the 17th, 05:16–06:58 on the 18th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 102 of 102 minutes on the 17th and 39 of 102 on the 18th.", "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 2354 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Qingyang, 1952: Friday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-17", "confidence": "determinate" } ], "quote": "In Qingyang, Naraka Caturdaśī (Choti Diwali) 1952 falls on Friday 17 October. Caturdaśī runs from 04:36 on Fri 17 Oct to 05:55 on Sat 18 Oct and covers all of aruṇodaya that dawn. It also reaches the next dawn for 39 minutes; by the rule the first dawn is taken.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/shivaratri?on=1952-10-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13009, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-10-17T04:36:03+08:00", "utc": "1952-10-16T20:36:03Z", "ms": -543036237230.08734 }, "end": { "local": "1952-10-18T05:55:24+08:00", "utc": "1952-10-17T21:55:24Z", "ms": -542945075684.132 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-17T04:36:03+08:00", "utc": "1952-10-16T20:36:03Z", "ms": -543036237230.08734 }, "end": { "local": "1952-10-18T05:55:24+08:00", "utc": "1952-10-17T21:55:24Z", "ms": -542945075684.132 } }, "kaala": "nishita", "days": [ { "local_date": "1952-10-16", "window": { "start": { "local": "1952-10-17T00:11:14+08:00", "utc": "1952-10-16T16:11:14Z", "ms": -543052125878.33264 }, "end": { "local": "1952-10-17T00:59:14+08:00", "utc": "1952-10-16T16:59:14Z", "ms": -543049245878.33264 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-10-17", "window": { "start": { "local": "1952-10-18T00:11:02+08:00", "utc": "1952-10-17T16:11:02Z", "ms": -542965738022.60803 }, "end": { "local": "1952-10-18T00:59:02+08:00", "utc": "1952-10-17T16:59:02Z", "ms": -542962858022.60803 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:36 on Fri 17 Oct to 05:55 on Sat 18 Oct.", "fact": "1952-10-16T20:36:03Z → 1952-10-17T21:55:24Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:11–00:59 on the 16th, 00:11–00:59 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13009 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1952: Friday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-17", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1952 falls on Friday 17 October. Caturdaśī runs from 04:36 on Fri 17 Oct to 05:55 on Sat 18 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/shivaratri?on=1952-10-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36091, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1952-10-18T05:55:24+08:00", "utc": "1952-10-17T21:55:24Z", "ms": -542945075684.132 }, "end": { "local": "1952-10-19T06:42:15+08:00", "utc": "1952-10-18T22:42:15Z", "ms": -542855864551.5254 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-18T05:55:24+08:00", "utc": "1952-10-17T21:55:24Z", "ms": -542945075684.132 }, "end": { "local": "1952-10-19T06:42:15+08:00", "utc": "1952-10-18T22:42:15Z", "ms": -542855864551.5254 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-10-17", "window": { "start": { "local": "1952-10-17T18:11:39+08:00", "utc": "1952-10-17T10:11:39Z", "ms": -542987300579.0848 }, "end": { "local": "1952-10-17T19:53:53+08:00", "utc": "1952-10-17T11:53:53Z", "ms": -542981166564.0243 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1952-10-18", "window": { "start": { "local": "1952-10-18T18:10:23+08:00", "utc": "1952-10-18T10:10:23Z", "ms": -542900976988.6185 }, "end": { "local": "1952-10-18T19:52:54+08:00", "utc": "1952-10-18T11:52:54Z", "ms": -542894825675.59235 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 05:55 on Sat 18 Oct to 06:42 on Sun 19 Oct.", "fact": "1952-10-17T21:55:24Z → 1952-10-18T22:42:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:12–19:54 on the 17th, 18:10–19:53 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 102 minutes on the 17th and 103 of 103 on the 18th.", "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 36091 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Qingyang, 1952: Saturday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-18", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pūjā (Diwali) 1952 falls on Saturday 18 October. Amāvasyā runs from 05:55 on Sat 18 Oct to 06:42 on Sun 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17782, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1952-10-18T05:55:24+08:00", "utc": "1952-10-17T21:55:24Z", "ms": -542945075684.132 }, "end": { "local": "1952-10-19T06:42:15+08:00", "utc": "1952-10-18T22:42:15Z", "ms": -542855864551.5254 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-18T05:55:24+08:00", "utc": "1952-10-17T21:55:24Z", "ms": -542945075684.132 }, "end": { "local": "1952-10-19T06:42:15+08:00", "utc": "1952-10-18T22:42:15Z", "ms": -542855864551.5254 } }, "kaala": "nishita", "days": [ { "local_date": "1952-10-17", "window": { "start": { "local": "1952-10-18T00:11:02+08:00", "utc": "1952-10-17T16:11:02Z", "ms": -542965738022.60803 }, "end": { "local": "1952-10-18T00:59:02+08:00", "utc": "1952-10-17T16:59:02Z", "ms": -542962858022.60803 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-10-18", "window": { "start": { "local": "1952-10-19T00:10:50+08:00", "utc": "1952-10-18T16:10:50Z", "ms": -542879349564.7704 }, "end": { "local": "1952-10-19T00:58:50+08:00", "utc": "1952-10-18T16:58:50Z", "ms": -542876469564.7704 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 05:55 on Sat 18 Oct to 06:42 on Sun 19 Oct.", "fact": "1952-10-17T21:55:24Z → 1952-10-18T22:42:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:11–00:59 on the 17th, 00:11–00:59 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17782 s" }, { "step": "ruling", "text": "Kālī Pūjā, Qingyang, 1952: Saturday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-18", "confidence": "determinate" } ], "quote": "In Qingyang, Kālī Pūjā 1952 falls on Saturday 18 October. Amāvasyā runs from 05:55 on Sat 18 Oct to 06:42 on Sun 19 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18698, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1952-10-19T06:42:15+08:00", "utc": "1952-10-18T22:42:15Z", "ms": -542855864551.5254 }, "end": { "local": "1952-10-20T06:58:24+08:00", "utc": "1952-10-19T22:58:24Z", "ms": -542768495660.0127 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-19T06:42:15+08:00", "utc": "1952-10-18T22:42:15Z", "ms": -542855864551.5254 }, "end": { "local": "1952-10-20T06:58:24+08:00", "utc": "1952-10-19T22:58:24Z", "ms": -542768495660.0127 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-10-19", "window": { "start": { "local": "1952-10-19T12:10:13+08:00", "utc": "1952-10-19T04:10:13Z", "ms": -542836187335.3366 }, "end": { "local": "1952-10-19T12:58:13+08:00", "utc": "1952-10-19T04:58:13Z", "ms": -542833307335.3366 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-10-20", "window": { "start": { "local": "1952-10-20T12:10:02+08:00", "utc": "1952-10-20T04:10:02Z", "ms": -542749797813.33374 }, "end": { "local": "1952-10-20T12:58:02+08:00", "utc": "1952-10-20T04:58:02Z", "ms": -542746917813.33374 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:42 on Sun 19 Oct to 06:58 on Mon 20 Oct.", "fact": "1952-10-18T22:42:15Z → 1952-10-19T22:58:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 19th, 12:10–12:58 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18698 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Qingyang, 1952: Sunday 19 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-19", "confidence": "determinate" } ], "quote": "In Qingyang, Govardhana Pūjā 1952 falls on Sunday 19 October. Pratipadā runs from 06:42 on Sun 19 Oct to 06:58 on Mon 20 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38961, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1952-10-19T06:42:15+08:00", "utc": "1952-10-18T22:42:15Z", "ms": -542855864551.5254 }, "end": { "local": "1952-10-20T06:58:24+08:00", "utc": "1952-10-19T22:58:24Z", "ms": -542768495660.0127 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-19T06:42:15+08:00", "utc": "1952-10-18T22:42:15Z", "ms": -542855864551.5254 }, "end": { "local": "1952-10-20T06:58:24+08:00", "utc": "1952-10-19T22:58:24Z", "ms": -542768495660.0127 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-10-18", "window": { "start": { "local": "1952-10-18T18:10:23+08:00", "utc": "1952-10-18T10:10:23Z", "ms": -542900976988.6185 }, "end": { "local": "1952-10-18T19:52:54+08:00", "utc": "1952-10-18T11:52:54Z", "ms": -542894825675.59235 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1952-10-19", "window": { "start": { "local": "1952-10-19T18:09:07+08:00", "utc": "1952-10-19T10:09:07Z", "ms": -542814652529.751 }, "end": { "local": "1952-10-19T19:51:56+08:00", "utc": "1952-10-19T11:51:56Z", "ms": -542808483986.2068 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:42 on Sun 19 Oct to 06:58 on Mon 20 Oct.", "fact": "1952-10-18T22:42:15Z → 1952-10-19T22:58:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:53 on the 18th, 18:09–19:52 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 103 minutes on the 18th and 103 of 103 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38961 s" }, { "step": "ruling", "text": "Bali Pūjā, Qingyang, 1952: Sunday 19 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-19", "confidence": "determinate" } ], "quote": "In Qingyang, Bali Pūjā 1952 falls on Sunday 19 October. Pratipadā runs from 06:42 on Sun 19 Oct to 06:58 on Mon 20 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-19", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 107, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1952-10-19T06:42:15+08:00", "utc": "1952-10-18T22:42:15Z", "ms": -542855864551.5254 }, "end": { "local": "1952-10-20T06:58:24+08:00", "utc": "1952-10-19T22:58:24Z", "ms": -542768495660.0127 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-19T06:42:15+08:00", "utc": "1952-10-18T22:42:15Z", "ms": -542855864551.5254 }, "end": { "local": "1952-10-20T06:58:24+08:00", "utc": "1952-10-19T22:58:24Z", "ms": -542768495660.0127 } }, "kaala": "purvahna", "days": [ { "local_date": "1952-10-19", "window": { "start": { "local": "1952-10-19T06:59:18+08:00", "utc": "1952-10-18T22:59:18Z", "ms": -542854842140.92224 }, "end": { "local": "1952-10-19T10:42:34+08:00", "utc": "1952-10-19T02:42:34Z", "ms": -542841445603.8652 } }, "covered_min": 223, "window_min": 223, "qualifies": true }, { "local_date": "1952-10-20", "window": { "start": { "local": "1952-10-20T07:00:12+08:00", "utc": "1952-10-19T23:00:12Z", "ms": -542768388453.16956 }, "end": { "local": "1952-10-20T10:42:45+08:00", "utc": "1952-10-20T02:42:45Z", "ms": -542755034693.27905 } }, "covered_min": 0, "window_min": 223, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:42 on Sun 19 Oct to 06:58 on Mon 20 Oct.", "fact": "1952-10-18T22:42:15Z → 1952-10-19T22:58:24Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:59–10:43 on the 19th, 07:00–10:43 on the 20th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 223 of 223 minutes on the 19th and 0 of 223 on the 20th.", "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 107 s < 300 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Qingyang, 1952: Sunday 19 October.", "fact": "confidence: boundary (margin)" } ], "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": "1952-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-19", "confidence": "boundary" } ], "quote": "In Qingyang, Dyūta Pratipad 1952 falls on Sunday 19 October. Pratipadā runs from 06:42 on Sun 19 Oct to 06:58 on Mon 20 Oct and covers all of pūrvāhṇa that forenoon. It is 1 min 47 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18698, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1952-10-20T06:58:24+08:00", "utc": "1952-10-19T22:58:24Z", "ms": -542768495660.0127 }, "end": { "local": "1952-10-21T06:47:13+08:00", "utc": "1952-10-20T22:47:13Z", "ms": -542682767340.4241 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-20T06:58:24+08:00", "utc": "1952-10-19T22:58:24Z", "ms": -542768495660.0127 }, "end": { "local": "1952-10-21T06:47:13+08:00", "utc": "1952-10-20T22:47:13Z", "ms": -542682767340.4241 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-10-20", "window": { "start": { "local": "1952-10-20T12:10:02+08:00", "utc": "1952-10-20T04:10:02Z", "ms": -542749797813.33374 }, "end": { "local": "1952-10-20T12:58:02+08:00", "utc": "1952-10-20T04:58:02Z", "ms": -542746917813.33374 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-10-21", "window": { "start": { "local": "1952-10-21T12:09:52+08:00", "utc": "1952-10-21T04:09:52Z", "ms": -542663407648.8226 }, "end": { "local": "1952-10-21T12:57:52+08:00", "utc": "1952-10-21T04:57:52Z", "ms": -542660527648.8226 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 06:58 on Mon 20 Oct to 06:47 on Tue 21 Oct.", "fact": "1952-10-19T22:58:24Z → 1952-10-20T22:47:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 20th, 12:10–12:58 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18698 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Qingyang, 1952: Monday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-20", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Dvitīyā (Bhai Dooj) 1952 falls on Monday 20 October. Dvitīyā runs from 06:58 on Mon 20 Oct to 06:47 on Tue 21 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21430, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-10-22T06:12:33+08:00", "utc": "1952-10-21T22:12:33Z", "ms": -542598446752.10565 }, "end": { "local": "1952-10-23T05:18:03+08:00", "utc": "1952-10-22T21:18:03Z", "ms": -542515317414.5294 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-22T06:12:33+08:00", "utc": "1952-10-21T22:12:33Z", "ms": -542598446752.10565 }, "end": { "local": "1952-10-23T05:18:03+08:00", "utc": "1952-10-22T21:18:03Z", "ms": -542515317414.5294 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-10-22", "window": { "start": { "local": "1952-10-22T12:09:43+08:00", "utc": "1952-10-22T04:09:43Z", "ms": -542577016829.80225 }, "end": { "local": "1952-10-22T12:57:43+08:00", "utc": "1952-10-22T04:57:43Z", "ms": -542574136829.80225 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-10-23", "window": { "start": { "local": "1952-10-23T12:09:35+08:00", "utc": "1952-10-23T04:09:35Z", "ms": -542490625344.6302 }, "end": { "local": "1952-10-23T12:57:35+08:00", "utc": "1952-10-23T04:57:35Z", "ms": -542487745344.6302 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:13 on Wed 22 Oct to 05:18 on Thu 23 Oct.", "fact": "1952-10-21T22:12:33Z → 1952-10-22T21:18:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 22nd, 12:10–12:58 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21430 s" }, { "step": "ruling", "text": "Nāga Caturthī, Qingyang, 1952: Wednesday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-22", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Caturthī 1952 falls on Wednesday 22 October. Caturthī runs from 06:13 on Wed 22 Oct to 05:18 on Thu 23 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/vinayaka-chaturthi?on=1952-10-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21430, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-10-22T06:12:33+08:00", "utc": "1952-10-21T22:12:33Z", "ms": -542598446752.10565 }, "end": { "local": "1952-10-23T05:18:03+08:00", "utc": "1952-10-22T21:18:03Z", "ms": -542515317414.5294 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-22T06:12:33+08:00", "utc": "1952-10-21T22:12:33Z", "ms": -542598446752.10565 }, "end": { "local": "1952-10-23T05:18:03+08:00", "utc": "1952-10-22T21:18:03Z", "ms": -542515317414.5294 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-10-22", "window": { "start": { "local": "1952-10-22T12:09:43+08:00", "utc": "1952-10-22T04:09:43Z", "ms": -542577016829.80225 }, "end": { "local": "1952-10-22T12:57:43+08:00", "utc": "1952-10-22T04:57:43Z", "ms": -542574136829.80225 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-10-23", "window": { "start": { "local": "1952-10-23T12:09:35+08:00", "utc": "1952-10-23T04:09:35Z", "ms": -542490625344.6302 }, "end": { "local": "1952-10-23T12:57:35+08:00", "utc": "1952-10-23T04:57:35Z", "ms": -542487745344.6302 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:13 on Wed 22 Oct to 05:18 on Thu 23 Oct.", "fact": "1952-10-21T22:12:33Z → 1952-10-22T21:18:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 22nd, 12:10–12:58 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21430 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1952: Wednesday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-22", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1952 falls on Wednesday 22 October. Caturthī runs from 06:13 on Wed 22 Oct to 05:18 on Thu 23 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/vinayaka-chaturthi?on=1952-10-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28975, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1952-10-24T04:06:31+08:00", "utc": "1952-10-23T20:06:31Z", "ms": -542433208585.98126 }, "end": { "local": "1952-10-25T02:39:55+08:00", "utc": "1952-10-24T18:39:55Z", "ms": -542352005311.01746 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-24T04:06:31+08:00", "utc": "1952-10-23T20:06:31Z", "ms": -542433208585.98126 }, "end": { "local": "1952-10-25T02:39:55+08:00", "utc": "1952-10-24T18:39:55Z", "ms": -542352005311.01746 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-10-24", "window": { "start": { "local": "1952-10-24T12:09:27+08:00", "utc": "1952-10-24T04:09:27Z", "ms": -542404233181.8159 }, "end": { "local": "1952-10-24T12:57:27+08:00", "utc": "1952-10-24T04:57:27Z", "ms": -542401353181.8159 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-10-25", "window": { "start": { "local": "1952-10-25T12:09:20+08:00", "utc": "1952-10-25T04:09:20Z", "ms": -542317840329.8002 }, "end": { "local": "1952-10-25T12:57:20+08:00", "utc": "1952-10-25T04:57:20Z", "ms": -542314960329.8002 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 04:07 on Fri 24 Oct to 02:40 on Sat 25 Oct.", "fact": "1952-10-23T20:06:31Z → 1952-10-24T18:39:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 24th, 12:09–12:57 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28975 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Qingyang, 1952: Friday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-24", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Chhath) 1952 falls on Friday 24 October. Ṣaṣṭhī runs from 04:07 on Fri 24 Oct to 02:40 on Sat 25 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36499, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1952-10-26T00:59:20+08:00", "utc": "1952-10-25T16:59:20Z", "ms": -542271639818.90045 }, "end": { "local": "1952-10-26T23:05:32+08:00", "utc": "1952-10-26T15:05:32Z", "ms": -542192067519.28284 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-26T00:59:20+08:00", "utc": "1952-10-25T16:59:20Z", "ms": -542271639818.90045 }, "end": { "local": "1952-10-26T23:05:32+08:00", "utc": "1952-10-26T15:05:32Z", "ms": -542192067519.28284 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-10-25", "window": { "start": { "local": "1952-10-25T12:09:20+08:00", "utc": "1952-10-25T04:09:20Z", "ms": -542317840329.8002 }, "end": { "local": "1952-10-25T12:57:20+08:00", "utc": "1952-10-25T04:57:20Z", "ms": -542314960329.8002 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-10-26", "window": { "start": { "local": "1952-10-26T12:09:13+08:00", "utc": "1952-10-26T04:09:13Z", "ms": -542231446776.74774 }, "end": { "local": "1952-10-26T12:57:13+08:00", "utc": "1952-10-26T04:57:13Z", "ms": -542228566776.74774 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:59 on Sun 26 Oct to 23:06 on Sun 26 Oct.", "fact": "1952-10-25T16:59:20Z → 1952-10-26T15:05:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 25th, 12:09–12:57 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36499 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Qingyang, 1952: Sunday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-26", "confidence": "determinate" } ], "quote": "In Qingyang, Gopāṣṭamī 1952 falls on Sunday 26 October. Aṣṭamī runs from 00:59 on Sun 26 Oct to 23:06 on Sun 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28865, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1952-10-26T23:05:32+08:00", "utc": "1952-10-26T15:05:32Z", "ms": -542192067519.28284 }, "end": { "local": "1952-10-27T20:59:26+08:00", "utc": "1952-10-27T12:59:26Z", "ms": -542113233769.9163 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-26T23:05:32+08:00", "utc": "1952-10-26T15:05:32Z", "ms": -542192067519.28284 }, "end": { "local": "1952-10-27T20:59:26+08:00", "utc": "1952-10-27T12:59:26Z", "ms": -542113233769.9163 } }, "kaala": "purvahna", "days": [ { "local_date": "1952-10-27", "window": { "start": { "local": "1952-10-27T07:06:37+08:00", "utc": "1952-10-26T23:06:37Z", "ms": -542163202918.53754 }, "end": { "local": "1952-10-27T10:44:17+08:00", "utc": "1952-10-27T02:44:17Z", "ms": -542150142646.42633 } }, "covered_min": 218, "window_min": 218, "qualifies": true }, { "local_date": "1952-10-28", "window": { "start": { "local": "1952-10-28T07:07:33+08:00", "utc": "1952-10-27T23:07:33Z", "ms": -542076746531.94086 }, "end": { "local": "1952-10-28T10:44:33+08:00", "utc": "1952-10-28T02:44:33Z", "ms": -542063727189.182 } }, "covered_min": 0, "window_min": 217, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 23:06 on Sun 26 Oct to 20:59 on Mon 27 Oct.", "fact": "1952-10-26T15:05:32Z → 1952-10-27T12:59:26Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:07–10:44 on the 27th, 07:08–10:45 on the 28th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 218 of 218 minutes on the 27th and 0 of 217 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28865 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Qingyang, 1952: Monday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-27", "confidence": "determinate" } ], "quote": "In Qingyang, Akṣaya Navamī (Amla Navami) 1952 falls on Monday 27 October. Navamī runs from 23:06 on Sun 26 Oct to 20:59 on Mon 27 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28939, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1952-10-26T23:05:32+08:00", "utc": "1952-10-26T15:05:32Z", "ms": -542192067519.28284 }, "end": { "local": "1952-10-27T20:59:26+08:00", "utc": "1952-10-27T12:59:26Z", "ms": -542113233769.9163 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-26T23:05:32+08:00", "utc": "1952-10-26T15:05:32Z", "ms": -542192067519.28284 }, "end": { "local": "1952-10-27T20:59:26+08:00", "utc": "1952-10-27T12:59:26Z", "ms": -542113233769.9163 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-10-26", "window": { "start": { "local": "1952-10-26T12:09:13+08:00", "utc": "1952-10-26T04:09:13Z", "ms": -542231446776.74774 }, "end": { "local": "1952-10-26T12:57:13+08:00", "utc": "1952-10-26T04:57:13Z", "ms": -542228566776.74774 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-10-27", "window": { "start": { "local": "1952-10-27T12:09:07+08:00", "utc": "1952-10-27T04:09:07Z", "ms": -542145052510.3707 }, "end": { "local": "1952-10-27T12:57:07+08:00", "utc": "1952-10-27T04:57:07Z", "ms": -542142172510.3707 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 23:06 on Sun 26 Oct to 20:59 on Mon 27 Oct.", "fact": "1952-10-26T15:05:32Z → 1952-10-27T12:59:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 26th, 12:09–12:57 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28939 s" }, { "step": "ruling", "text": "Durgā Navamī, Qingyang, 1952: Monday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-27", "confidence": "determinate" } ], "quote": "In Qingyang, Durgā Navamī 1952 falls on Monday 27 October. Navamī runs from 23:06 on Sun 26 Oct to 20:59 on Mon 27 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-10-29", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32976, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-10-28T18:42:40+08:00", "utc": "1952-10-28T10:42:40Z", "ms": -542035039503.08203 }, "end": { "local": "1952-10-29T16:18:07+08:00", "utc": "1952-10-29T08:18:07Z", "ms": -541957313448.3857 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-28T18:42:40+08:00", "utc": "1952-10-28T10:42:40Z", "ms": -542035039503.08203 }, "end": { "local": "1952-10-29T16:18:07+08:00", "utc": "1952-10-29T08:18:07Z", "ms": -541957313448.3857 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-10-28", "window": { "start": { "local": "1952-10-28T07:07:33+08:00", "utc": "1952-10-27T23:07:33Z", "ms": -542076746531.94086 }, "end": { "local": "1952-10-28T07:07:33+08:00", "utc": "1952-10-27T23:07:33Z", "ms": -542076746531.94086 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-10-29", "window": { "start": { "local": "1952-10-29T07:08:30+08:00", "utc": "1952-10-28T23:08:30Z", "ms": -541990289837.0078 }, "end": { "local": "1952-10-29T07:08:30+08:00", "utc": "1952-10-28T23:08:30Z", "ms": -541990289837.0078 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:43 on Tue 28 Oct to 16:18 on Wed 29 Oct.", "fact": "1952-10-28T10:42:40Z → 1952-10-29T08:18:07Z" }, { "step": "kaala", "text": "Sunrise is at 07:08 on the 28th and 07:09 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32976 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Qingyang, 1952: Wednesday 29 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-29", "confidence": "determinate" } ], "quote": "In Qingyang, Prabodhinī Ekādaśī 1952 falls on Wednesday 29 October. Ekādaśī runs from 18:43 on Tue 28 Oct to 16:18 on Wed 29 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-10-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-10-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14778, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-10-30T13:50:04+08:00", "utc": "1952-10-30T05:50:04Z", "ms": -541879796126.42847 }, "end": { "local": "1952-10-31T11:24:23+08:00", "utc": "1952-10-31T03:24:23Z", "ms": -541802137422.0498 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-10-30T13:50:04+08:00", "utc": "1952-10-30T05:50:04Z", "ms": -541879796126.42847 }, "end": { "local": "1952-10-31T11:24:23+08:00", "utc": "1952-10-31T03:24:23Z", "ms": -541802137422.0498 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-10-30", "window": { "start": { "local": "1952-10-30T17:56:22+08:00", "utc": "1952-10-30T09:56:22Z", "ms": -541865017760.2605 }, "end": { "local": "1952-10-30T19:42:15+08:00", "utc": "1952-10-30T11:42:15Z", "ms": -541858665464.524 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1952-10-31", "window": { "start": { "local": "1952-10-31T17:55:19+08:00", "utc": "1952-10-31T09:55:19Z", "ms": -541778680548.5283 }, "end": { "local": "1952-10-31T19:41:28+08:00", "utc": "1952-10-31T11:41:28Z", "ms": -541772312202.32947 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:50 on Thu 30 Oct to 11:24 on Fri 31 Oct.", "fact": "1952-10-30T05:50:04Z → 1952-10-31T03:24:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:56–19:42 on the 30th, 17:55–19:41 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 30th and 0 of 106 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14778 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1952: Thursday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-10-30", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1952 falls on Thursday 30 October. Trayodaśī runs from 13:50 on Thu 30 Oct to 11:24 on Fri 31 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-10-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10837, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-11-01T09:08:13+08:00", "utc": "1952-11-01T01:08:13Z", "ms": -541723907110.36554 }, "end": { "local": "1952-11-02T07:09:43+08:00", "utc": "1952-11-01T23:09:43Z", "ms": -541644617125.67316 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-11-01T09:08:13+08:00", "utc": "1952-11-01T01:08:13Z", "ms": -541723907110.36554 }, "end": { "local": "1952-11-02T07:09:43+08:00", "utc": "1952-11-01T23:09:43Z", "ms": -541644617125.67316 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-11-01", "window": { "start": { "local": "1952-11-01T12:08:50+08:00", "utc": "1952-11-01T04:08:50Z", "ms": -541713070008.4918 }, "end": { "local": "1952-11-01T12:56:50+08:00", "utc": "1952-11-01T04:56:50Z", "ms": -541710190008.4918 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-11-02", "window": { "start": { "local": "1952-11-02T12:08:49+08:00", "utc": "1952-11-02T04:08:49Z", "ms": -541626671174.64746 }, "end": { "local": "1952-11-02T12:56:49+08:00", "utc": "1952-11-02T04:56:49Z", "ms": -541623791174.64746 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:08 on Sat 1 Nov to 07:10 on Sun 2 Nov.", "fact": "1952-11-01T01:08:13Z → 1952-11-01T23:09:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 1st, 12:09–12:57 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10837 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Qingyang, 1952: Saturday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kartiki-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-01", "confidence": "determinate" } ], "quote": "In Qingyang, Kārtikī Pūrṇimā 1952 falls on Saturday 1 November. Pūrṇimā runs from 09:08 on Sat 1 Nov to 07:10 on Sun 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22344, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-11-01T09:08:13+08:00", "utc": "1952-11-01T01:08:13Z", "ms": -541723907110.36554 }, "end": { "local": "1952-11-02T07:09:43+08:00", "utc": "1952-11-01T23:09:43Z", "ms": -541644617125.67316 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1952-11-01T09:08:13+08:00", "utc": "1952-11-01T01:08:13Z", "ms": -541723907110.36554 }, "end": { "local": "1952-11-02T07:09:43+08:00", "utc": "1952-11-01T23:09:43Z", "ms": -541644617125.67316 } }, "kaala": "nishita", "days": [ { "local_date": "1952-10-31", "window": { "start": { "local": "1952-11-01T00:09:21+08:00", "utc": "1952-10-31T16:09:21Z", "ms": -541756239250.2826 }, "end": { "local": "1952-11-01T00:57:21+08:00", "utc": "1952-10-31T16:57:21Z", "ms": -541753359250.2826 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-11-01", "window": { "start": { "local": "1952-11-02T00:09:19+08:00", "utc": "1952-11-01T16:09:19Z", "ms": -541669841069.4597 }, "end": { "local": "1952-11-02T00:57:19+08:00", "utc": "1952-11-01T16:57:19Z", "ms": -541666961069.4597 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:08 on Sat 1 Nov to 07:10 on Sun 2 Nov.", "fact": "1952-11-01T01:08:13Z → 1952-11-01T23:09:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 31st, 00:09–00:57 on the 1st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22344 s" }, { "step": "ruling", "text": "Rāsayātrā, Qingyang, 1952: Saturday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rasayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-01", "confidence": "determinate" } ], "quote": "In Qingyang, Rāsayātrā 1952 falls on Saturday 1 November. Pūrṇimā runs from 09:08 on Sat 1 Nov to 07:10 on Sun 2 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/sankashta-chaturthi?on=1952-11-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31143, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-11-05T04:22:37+08:00", "utc": "1952-11-04T20:22:37Z", "ms": -541395442760.9908 }, "end": { "local": "1952-11-06T04:51:01+08:00", "utc": "1952-11-05T20:51:01Z", "ms": -541307339147.04095 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-11-05T04:22:37+08:00", "utc": "1952-11-04T20:22:37Z", "ms": -541395442760.9908 }, "end": { "local": "1952-11-06T04:51:01+08:00", "utc": "1952-11-05T20:51:01Z", "ms": -541307339147.04095 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-11-04", "window": { "start": { "local": "1952-11-04T19:17:32+08:00", "utc": "1952-11-04T11:17:32Z", "ms": -541428147573.751 }, "end": { "local": "1952-11-04T19:17:32+08:00", "utc": "1952-11-04T11:17:32Z", "ms": -541428147573.751 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-11-05", "window": { "start": { "local": "1952-11-05T20:11:58+08:00", "utc": "1952-11-05T12:11:58Z", "ms": -541338482149.7997 }, "end": { "local": "1952-11-05T20:11:58+08:00", "utc": "1952-11-05T12:11:58Z", "ms": -541338482149.7997 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:23 on Wed 5 Nov to 04:51 on Thu 6 Nov.", "fact": "1952-11-04T20:22:37Z → 1952-11-05T20:51:01Z" }, { "step": "kaala", "text": "Moonrise is at 19:18 on the 4th and 20:12 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31143 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1952: Wednesday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-05", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1952 falls on Wednesday 5 November. Caturthī runs from 04:23 on Wed 5 Nov to 04:51 on Thu 6 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/sankashta-chaturthi?on=1952-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/ekadashi?on=1952-11-13", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38569, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-11-12T18:05:01+08:00", "utc": "1952-11-12T10:05:01Z", "ms": -540741299048.2926 }, "end": { "local": "1952-11-13T19:56:48+08:00", "utc": "1952-11-13T11:56:48Z", "ms": -540648191672.09894 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-11-12T18:05:01+08:00", "utc": "1952-11-12T10:05:01Z", "ms": -540741299048.2926 }, "end": { "local": "1952-11-13T19:56:48+08:00", "utc": "1952-11-13T11:56:48Z", "ms": -540648191672.09894 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-11-12", "window": { "start": { "local": "1952-11-12T07:22:12+08:00", "utc": "1952-11-11T23:22:12Z", "ms": -540779868153.05664 }, "end": { "local": "1952-11-12T07:22:12+08:00", "utc": "1952-11-11T23:22:12Z", "ms": -540779868153.05664 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-11-13", "window": { "start": { "local": "1952-11-13T07:23:12+08:00", "utc": "1952-11-12T23:23:12Z", "ms": -540693408074.93555 }, "end": { "local": "1952-11-13T07:23:12+08:00", "utc": "1952-11-12T23:23:12Z", "ms": -540693408074.93555 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:05 on Wed 12 Nov to 19:57 on Thu 13 Nov.", "fact": "1952-11-12T10:05:01Z → 1952-11-13T11:56:48Z" }, { "step": "kaala", "text": "Sunrise is at 07:22 on the 12th and 07:23 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38569 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Qingyang, 1952: Thursday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-13", "confidence": "determinate" } ], "quote": "In Qingyang, Utpannā Ekādaśī 1952 falls on Thursday 13 November. Ekādaśī runs from 18:05 on Wed 12 Nov to 19:57 on Thu 13 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-11-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-11-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5868, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-11-14T21:10:34+08:00", "utc": "1952-11-14T13:10:34Z", "ms": -540557366135.7476 }, "end": { "local": "1952-11-15T21:43:27+08:00", "utc": "1952-11-15T13:43:27Z", "ms": -540468992616.0405 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-11-14T21:10:34+08:00", "utc": "1952-11-14T13:10:34Z", "ms": -540557366135.7476 }, "end": { "local": "1952-11-15T21:43:27+08:00", "utc": "1952-11-15T13:43:27Z", "ms": -540468992616.0405 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-11-14", "window": { "start": { "local": "1952-11-14T17:43:09+08:00", "utc": "1952-11-14T09:43:09Z", "ms": -540569810797.5086 }, "end": { "local": "1952-11-14T19:32:46+08:00", "utc": "1952-11-14T11:32:46Z", "ms": -540563234395.49646 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "1952-11-15", "window": { "start": { "local": "1952-11-15T17:42:29+08:00", "utc": "1952-11-15T09:42:29Z", "ms": -540483451072.60815 }, "end": { "local": "1952-11-15T19:32:19+08:00", "utc": "1952-11-15T11:32:19Z", "ms": -540476861280.9832 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:11 on Fri 14 Nov to 21:43 on Sat 15 Nov.", "fact": "1952-11-14T13:10:34Z → 1952-11-15T13:43:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:43–19:33 on the 14th, 17:42–19:32 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 14th and 110 of 110 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5868 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1952: Saturday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-15", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1952 falls on Saturday 15 November. Trayodaśī runs from 21:11 on Fri 14 Nov to 21:43 on Sat 15 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-11-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/shivaratri?on=1952-11-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8813, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-11-15T21:43:27+08:00", "utc": "1952-11-15T13:43:27Z", "ms": -540468992616.0405 }, "end": { "local": "1952-11-16T21:36:59+08:00", "utc": "1952-11-16T13:36:59Z", "ms": -540382981099.5654 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-11-15T21:43:27+08:00", "utc": "1952-11-15T13:43:27Z", "ms": -540468992616.0405 }, "end": { "local": "1952-11-16T21:36:59+08:00", "utc": "1952-11-16T13:36:59Z", "ms": -540382981099.5654 } }, "kaala": "nishita", "days": [ { "local_date": "1952-11-15", "window": { "start": { "local": "1952-11-16T00:10:21+08:00", "utc": "1952-11-15T16:10:21Z", "ms": -540460179354.01465 }, "end": { "local": "1952-11-16T00:58:21+08:00", "utc": "1952-11-15T16:58:21Z", "ms": -540457299354.01465 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-11-16", "window": { "start": { "local": "1952-11-17T00:10:31+08:00", "utc": "1952-11-16T16:10:31Z", "ms": -540373768575.89795 }, "end": { "local": "1952-11-17T00:58:31+08:00", "utc": "1952-11-16T16:58:31Z", "ms": -540370888575.89795 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:43 on Sat 15 Nov to 21:37 on Sun 16 Nov.", "fact": "1952-11-15T13:43:27Z → 1952-11-16T13:36:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:10–00:58 on the 15th, 00:11–00:59 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8813 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1952: Saturday 15 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": "1952-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-15", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1952 falls on Saturday 15 November. Caturdaśī runs from 21:43 on Sat 15 Nov to 21:37 on Sun 16 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/shivaratri?on=1952-11-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/vinayaka-chaturthi?on=1952-11-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5682, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-11-20T16:28:50+08:00", "utc": "1952-11-20T08:28:50Z", "ms": -540055870022.7818 }, "end": { "local": "1952-11-21T14:33:50+08:00", "utc": "1952-11-21T06:33:50Z", "ms": -539976369961.5962 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-11-20T16:28:50+08:00", "utc": "1952-11-20T08:28:50Z", "ms": -540055870022.7818 }, "end": { "local": "1952-11-21T14:33:50+08:00", "utc": "1952-11-21T06:33:50Z", "ms": -539976369961.5962 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-11-20", "window": { "start": { "local": "1952-11-20T12:10:53+08:00", "utc": "1952-11-20T04:10:53Z", "ms": -540071346989.26843 }, "end": { "local": "1952-11-20T12:58:53+08:00", "utc": "1952-11-20T04:58:53Z", "ms": -540068466989.26843 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-11-21", "window": { "start": { "local": "1952-11-21T12:11:08+08:00", "utc": "1952-11-21T04:11:08Z", "ms": -539984932029.9376 }, "end": { "local": "1952-11-21T12:59:08+08:00", "utc": "1952-11-21T04:59:08Z", "ms": -539982052029.9376 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:29 on Thu 20 Nov to 14:34 on Fri 21 Nov.", "fact": "1952-11-20T08:28:50Z → 1952-11-21T06:33:50Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5682 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1952: Friday 21 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": "1952-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-21", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1952 falls on Friday 21 November. Caturthī runs from 16:29 on Thu 20 Nov to 14:34 on Fri 21 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/vinayaka-chaturthi?on=1952-11-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1378, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1952-11-21T14:33:50+08:00", "utc": "1952-11-21T06:33:50Z", "ms": -539976369961.5962 }, "end": { "local": "1952-11-22T12:34:22+08:00", "utc": "1952-11-22T04:34:22Z", "ms": -539897138050.31775 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-11-21T14:33:50+08:00", "utc": "1952-11-21T06:33:50Z", "ms": -539976369961.5962 }, "end": { "local": "1952-11-22T12:34:22+08:00", "utc": "1952-11-22T04:34:22Z", "ms": -539897138050.31775 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-11-21", "window": { "start": { "local": "1952-11-21T12:11:08+08:00", "utc": "1952-11-21T04:11:08Z", "ms": -539984932029.9376 }, "end": { "local": "1952-11-21T12:59:08+08:00", "utc": "1952-11-21T04:59:08Z", "ms": -539982052029.9376 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-11-22", "window": { "start": { "local": "1952-11-22T12:11:24+08:00", "utc": "1952-11-22T04:11:24Z", "ms": -539898516277.0958 }, "end": { "local": "1952-11-22T12:59:24+08:00", "utc": "1952-11-22T04:59:24Z", "ms": -539895636277.0958 } }, "covered_min": 23, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:34 on Fri 21 Nov to 12:34 on Sat 22 Nov.", "fact": "1952-11-21T06:33:50Z → 1952-11-22T04:34:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 21st, 12:11–12:59 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 23 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1378 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Qingyang, 1952: Saturday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-22", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī (Mārgaśīrṣa) 1952 falls on Saturday 22 November. Pañcamī runs from 14:34 on Fri 21 Nov to 12:34 on Sat 22 Nov and covers 23 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1378, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1952-11-22T12:34:22+08:00", "utc": "1952-11-22T04:34:22Z", "ms": -539897138050.31775 }, "end": { "local": "1952-11-23T10:33:37+08:00", "utc": "1952-11-23T02:33:37Z", "ms": -539817982795.29944 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-11-22T12:34:22+08:00", "utc": "1952-11-22T04:34:22Z", "ms": -539897138050.31775 }, "end": { "local": "1952-11-23T10:33:37+08:00", "utc": "1952-11-23T02:33:37Z", "ms": -539817982795.29944 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-11-22", "window": { "start": { "local": "1952-11-22T12:11:24+08:00", "utc": "1952-11-22T04:11:24Z", "ms": -539898516277.0958 }, "end": { "local": "1952-11-22T12:59:24+08:00", "utc": "1952-11-22T04:59:24Z", "ms": -539895636277.0958 } }, "covered_min": 25, "window_min": 48, "qualifies": true }, { "local_date": "1952-11-23", "window": { "start": { "local": "1952-11-23T12:11:40+08:00", "utc": "1952-11-23T04:11:40Z", "ms": -539812099744.896 }, "end": { "local": "1952-11-23T12:59:40+08:00", "utc": "1952-11-23T04:59:40Z", "ms": -539809219744.896 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:34 on Sat 22 Nov to 10:34 on Sun 23 Nov.", "fact": "1952-11-22T04:34:22Z → 1952-11-23T02:33:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 22nd, 12:12–13:00 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 25 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1378 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Qingyang, 1952: Saturday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-22", "confidence": "determinate" } ], "quote": "In Qingyang, Campā Ṣaṣṭhī 1952 falls on Saturday 22 November. Ṣaṣṭhī runs from 12:34 on Sat 22 Nov to 10:34 on Sun 23 Nov and covers 25 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1378, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1952-11-22T12:34:22+08:00", "utc": "1952-11-22T04:34:22Z", "ms": -539897138050.31775 }, "end": { "local": "1952-11-23T10:33:37+08:00", "utc": "1952-11-23T02:33:37Z", "ms": -539817982795.29944 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-11-22T12:34:22+08:00", "utc": "1952-11-22T04:34:22Z", "ms": -539897138050.31775 }, "end": { "local": "1952-11-23T10:33:37+08:00", "utc": "1952-11-23T02:33:37Z", "ms": -539817982795.29944 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-11-22", "window": { "start": { "local": "1952-11-22T12:11:24+08:00", "utc": "1952-11-22T04:11:24Z", "ms": -539898516277.0958 }, "end": { "local": "1952-11-22T12:59:24+08:00", "utc": "1952-11-22T04:59:24Z", "ms": -539895636277.0958 } }, "covered_min": 25, "window_min": 48, "qualifies": true }, { "local_date": "1952-11-23", "window": { "start": { "local": "1952-11-23T12:11:40+08:00", "utc": "1952-11-23T04:11:40Z", "ms": -539812099744.896 }, "end": { "local": "1952-11-23T12:59:40+08:00", "utc": "1952-11-23T04:59:40Z", "ms": -539809219744.896 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:34 on Sat 22 Nov to 10:34 on Sun 23 Nov.", "fact": "1952-11-22T04:34:22Z → 1952-11-23T02:33:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 22nd, 12:12–13:00 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 25 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1378 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Qingyang, 1952: Saturday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-22", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī 1952 falls on Saturday 22 November. Ṣaṣṭhī runs from 12:34 on Sat 22 Nov to 10:34 on Sun 23 Nov and covers 25 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5883, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1952-11-23T10:33:37+08:00", "utc": "1952-11-23T02:33:37Z", "ms": -539817982795.29944 }, "end": { "local": "1952-11-24T08:33:37+08:00", "utc": "1952-11-24T00:33:37Z", "ms": -539738783377.02094 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-11-23T10:33:37+08:00", "utc": "1952-11-23T02:33:37Z", "ms": -539817982795.29944 }, "end": { "local": "1952-11-24T08:33:37+08:00", "utc": "1952-11-24T00:33:37Z", "ms": -539738783377.02094 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-11-23", "window": { "start": { "local": "1952-11-23T12:11:40+08:00", "utc": "1952-11-23T04:11:40Z", "ms": -539812099744.896 }, "end": { "local": "1952-11-23T12:59:40+08:00", "utc": "1952-11-23T04:59:40Z", "ms": -539809219744.896 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-11-24", "window": { "start": { "local": "1952-11-24T12:11:58+08:00", "utc": "1952-11-24T04:11:58Z", "ms": -539725682447.5044 }, "end": { "local": "1952-11-24T12:59:58+08:00", "utc": "1952-11-24T04:59:58Z", "ms": -539722802447.5044 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:34 on Sun 23 Nov to 08:34 on Mon 24 Nov.", "fact": "1952-11-23T02:33:37Z → 1952-11-24T00:33:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 23rd, 12:12–13:00 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5883 s" }, { "step": "ruling", "text": "Mitra Saptamī, Qingyang, 1952: Sunday 23 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-23", "confidence": "determinate" } ], "quote": "In Qingyang, Mitra Saptamī 1952 falls on Sunday 23 November. Saptamī runs from 10:34 on Sun 23 Nov to 08:34 on Mon 24 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/ekadashi?on=1952-11-27", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17228, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-11-27T02:49:53+08:00", "utc": "1952-11-26T18:49:53Z", "ms": -539500206636.7473 }, "end": { "local": "1952-11-28T01:05:54+08:00", "utc": "1952-11-27T17:05:54Z", "ms": -539420045837.60815 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-11-27T02:49:53+08:00", "utc": "1952-11-26T18:49:53Z", "ms": -539500206636.7473 }, "end": { "local": "1952-11-28T01:05:54+08:00", "utc": "1952-11-27T17:05:54Z", "ms": -539420045837.60815 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-11-27", "window": { "start": { "local": "1952-11-27T07:37:02+08:00", "utc": "1952-11-26T23:37:02Z", "ms": -539482978414.00555 }, "end": { "local": "1952-11-27T07:37:02+08:00", "utc": "1952-11-26T23:37:02Z", "ms": -539482978414.00555 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1952-11-28", "window": { "start": { "local": "1952-11-28T07:37:58+08:00", "utc": "1952-11-27T23:37:58Z", "ms": -539396521650.5718 }, "end": { "local": "1952-11-28T07:37:58+08:00", "utc": "1952-11-27T23:37:58Z", "ms": -539396521650.5718 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:50 on Thu 27 Nov to 01:06 on Fri 28 Nov.", "fact": "1952-11-26T18:49:53Z → 1952-11-27T17:05:54Z" }, { "step": "kaala", "text": "Sunrise is at 07:37 on the 27th and 07:38 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17228 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Qingyang, 1952: Thursday 27 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-27", "confidence": "determinate" } ], "quote": "In Qingyang, Mokṣadā Ekādaśī 1952 falls on Thursday 27 November. Ekādaśī runs from 02:50 on Thu 27 Nov to 01:06 on Fri 28 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37846, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1952-11-28T01:05:54+08:00", "utc": "1952-11-27T17:05:54Z", "ms": -539420045837.60815 }, "end": { "local": "1952-11-28T23:32:00+08:00", "utc": "1952-11-28T15:32:00Z", "ms": -539339279678.4495 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-11-28T01:05:54+08:00", "utc": "1952-11-27T17:05:54Z", "ms": -539420045837.60815 }, "end": { "local": "1952-11-28T23:32:00+08:00", "utc": "1952-11-28T15:32:00Z", "ms": -539339279678.4495 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-11-27", "window": { "start": { "local": "1952-11-27T12:12:54+08:00", "utc": "1952-11-27T04:12:54Z", "ms": -539466426103.7451 }, "end": { "local": "1952-11-27T13:00:54+08:00", "utc": "1952-11-27T05:00:54Z", "ms": -539463546103.7451 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1952-11-28", "window": { "start": { "local": "1952-11-28T12:13:14+08:00", "utc": "1952-11-28T04:13:14Z", "ms": -539380005884.6719 }, "end": { "local": "1952-11-28T13:01:14+08:00", "utc": "1952-11-28T05:01:14Z", "ms": -539377125884.6719 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:06 on Fri 28 Nov to 23:32 on Fri 28 Nov.", "fact": "1952-11-27T17:05:54Z → 1952-11-28T15:32:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 27th, 12:13–13:01 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37846 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Qingyang, 1952: Friday 28 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-28", "confidence": "determinate" } ], "quote": "In Qingyang, Akhaṇḍa Dvādaśī 1952 falls on Friday 28 November. Dvādaśī runs from 01:06 on Fri 28 Nov to 23:32 on Fri 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/pradosha-vrata?on=1952-11-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9845, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-11-28T23:32:00+08:00", "utc": "1952-11-28T15:32:00Z", "ms": -539339279678.4495 }, "end": { "local": "1952-11-29T22:12:49+08:00", "utc": "1952-11-29T14:12:49Z", "ms": -539257630695.1838 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-11-28T23:32:00+08:00", "utc": "1952-11-28T15:32:00Z", "ms": -539339279678.4495 }, "end": { "local": "1952-11-29T22:12:49+08:00", "utc": "1952-11-29T14:12:49Z", "ms": -539257630695.1838 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-11-28", "window": { "start": { "local": "1952-11-28T17:36:30+08:00", "utc": "1952-11-28T09:36:30Z", "ms": -539360610118.7719 }, "end": { "local": "1952-11-28T19:28:49+08:00", "utc": "1952-11-28T11:28:49Z", "ms": -539353870829.3711 } }, "covered_min": 0, "window_min": 112, "qualifies": false }, { "local_date": "1952-11-29", "window": { "start": { "local": "1952-11-29T17:36:16+08:00", "utc": "1952-11-29T09:36:16Z", "ms": -539274224491.665 }, "end": { "local": "1952-11-29T19:28:44+08:00", "utc": "1952-11-29T11:28:44Z", "ms": -539267475872.5862 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:32 on Fri 28 Nov to 22:13 on Sat 29 Nov.", "fact": "1952-11-28T15:32:00Z → 1952-11-29T14:12:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:29 on the 28th, 17:36–19:29 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 112 minutes on the 28th and 112 of 112 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9845 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1952: Saturday 29 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-11-29", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1952 falls on Saturday 29 November. Trayodaśī runs from 23:32 on Fri 28 Nov to 22:13 on Sat 29 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-11-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4363, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1952-11-30T21:13:56+08:00", "utc": "1952-11-30T13:13:56Z", "ms": -539174764160.04474 }, "end": { "local": "1952-12-01T20:41:21+08:00", "utc": "1952-12-01T12:41:21Z", "ms": -539090318530.10034 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-11-30T21:13:56+08:00", "utc": "1952-11-30T13:13:56Z", "ms": -539174764160.04474 }, "end": { "local": "1952-12-01T20:41:21+08:00", "utc": "1952-12-01T12:41:21Z", "ms": -539090318530.10034 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-11-30", "window": { "start": { "local": "1952-11-30T17:36:03+08:00", "utc": "1952-11-30T09:36:03Z", "ms": -539187836899.8415 }, "end": { "local": "1952-11-30T19:28:41+08:00", "utc": "1952-11-30T11:28:41Z", "ms": -539181079298.99194 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "1952-12-01", "window": { "start": { "local": "1952-12-01T17:35:53+08:00", "utc": "1952-12-01T09:35:53Z", "ms": -539101447332.03186 }, "end": { "local": "1952-12-01T19:28:39+08:00", "utc": "1952-12-01T11:28:39Z", "ms": -539094681104.52795 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:14 on Sun 30 Nov to 20:41 on Mon 1 Dec.", "fact": "1952-11-30T13:13:56Z → 1952-12-01T12:41:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:29 on the 30th, 17:36–19:29 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 113 minutes on the 30th and 113 of 113 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4363 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Qingyang, 1952: Monday 1 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dattatreyotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Dattatreyotpatti (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-12-01", "confidence": "determinate" } ], "quote": "In Qingyang, Dattātreyotpatti (Datta Jayanti) 1952 falls on Monday 1 December. Pūrṇimā runs from 21:14 on Sun 30 Nov to 20:41 on Mon 1 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/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/1952/sankashta-chaturthi?on=1952-12-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9220, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-12-04T22:30:47+08:00", "utc": "1952-12-04T14:30:47Z", "ms": -538824553013.1747 }, "end": { "local": "1952-12-06T00:21:18+08:00", "utc": "1952-12-05T16:21:18Z", "ms": -538731521899.9675 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-12-04T22:30:47+08:00", "utc": "1952-12-04T14:30:47Z", "ms": -538824553013.1747 }, "end": { "local": "1952-12-06T00:21:18+08:00", "utc": "1952-12-05T16:21:18Z", "ms": -538731521899.9675 } }, "kaala": "moonrise", "days": [ { "local_date": "1952-12-04", "window": { "start": { "local": "1952-12-04T19:57:07+08:00", "utc": "1952-12-04T11:57:07Z", "ms": -538833773071.7285 }, "end": { "local": "1952-12-04T19:57:07+08:00", "utc": "1952-12-04T11:57:07Z", "ms": -538833773071.7285 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-12-05", "window": { "start": { "local": "1952-12-05T20:57:58+08:00", "utc": "1952-12-05T12:57:58Z", "ms": -538743721637.29144 }, "end": { "local": "1952-12-05T20:57:58+08:00", "utc": "1952-12-05T12:57:58Z", "ms": -538743721637.29144 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:31 on Thu 4 Dec to 00:21 on Sat 6 Dec.", "fact": "1952-12-04T14:30:47Z → 1952-12-05T16:21:18Z" }, { "step": "kaala", "text": "Moonrise is at 19:57 on the 4th and 20:58 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9220 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1952: Friday 5 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-12-05", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1952 falls on Friday 5 December. Caturthī runs from 22:31 on Thu 4 Dec to 00:21 on Sat 6 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/sankashta-chaturthi?on=1952-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/ekadashi?on=1952-12-13", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22261, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-12-12T14:00:55+08:00", "utc": "1952-12-12T06:00:55Z", "ms": -538163944987.42676 }, "end": { "local": "1952-12-13T14:38:47+08:00", "utc": "1952-12-13T06:38:47Z", "ms": -538075272688.933 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-12-12T14:00:55+08:00", "utc": "1952-12-12T06:00:55Z", "ms": -538163944987.42676 }, "end": { "local": "1952-12-13T14:38:47+08:00", "utc": "1952-12-13T06:38:47Z", "ms": -538075272688.933 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-12-12", "window": { "start": { "local": "1952-12-12T07:49:54+08:00", "utc": "1952-12-11T23:49:54Z", "ms": -538186205835.6979 }, "end": { "local": "1952-12-12T07:49:54+08:00", "utc": "1952-12-11T23:49:54Z", "ms": -538186205835.6979 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-12-13", "window": { "start": { "local": "1952-12-13T07:50:38+08:00", "utc": "1952-12-12T23:50:38Z", "ms": -538099762196.152 }, "end": { "local": "1952-12-13T07:50:38+08:00", "utc": "1952-12-12T23:50:38Z", "ms": -538099762196.152 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:01 on Fri 12 Dec to 14:39 on Sat 13 Dec.", "fact": "1952-12-12T06:00:55Z → 1952-12-13T06:38:47Z" }, { "step": "kaala", "text": "Sunrise is at 07:50 on the 12th and 07:51 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22261 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Qingyang, 1952: Saturday 13 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-12-13", "confidence": "determinate" } ], "quote": "In Qingyang, Saphalā Ekādaśī 1952 falls on Saturday 13 December. Ekādaśī runs from 14:01 on Fri 12 Dec to 14:39 on Sat 13 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-12-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-12-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11227, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-12-14T14:29:32+08:00", "utc": "1952-12-14T06:29:32Z", "ms": -537989427874.0454 }, "end": { "local": "1952-12-15T13:36:05+08:00", "utc": "1952-12-15T05:36:05Z", "ms": -537906235436.5783 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-12-14T14:29:32+08:00", "utc": "1952-12-14T06:29:32Z", "ms": -537989427874.0454 }, "end": { "local": "1952-12-15T13:36:05+08:00", "utc": "1952-12-15T05:36:05Z", "ms": -537906235436.5783 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-12-14", "window": { "start": { "local": "1952-12-14T17:36:39+08:00", "utc": "1952-12-14T09:36:39Z", "ms": -537978201173.95435 }, "end": { "local": "1952-12-14T19:30:42+08:00", "utc": "1952-12-14T11:30:42Z", "ms": -537971358181.6785 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "1952-12-15", "window": { "start": { "local": "1952-12-15T17:36:56+08:00", "utc": "1952-12-15T09:36:56Z", "ms": -537891783811.69354 }, "end": { "local": "1952-12-15T19:31:02+08:00", "utc": "1952-12-15T11:31:02Z", "ms": -537884937837.29736 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:30 on Sun 14 Dec to 13:36 on Mon 15 Dec.", "fact": "1952-12-14T06:29:32Z → 1952-12-15T05:36:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:31 on the 14th, 17:37–19:31 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 114 of 114 minutes on the 14th and 0 of 114 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11227 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1952: Sunday 14 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-12-14", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1952 falls on Sunday 14 December. Trayodaśī runs from 14:30 on Sun 14 Dec to 13:36 on Mon 15 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-12-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/shivaratri?on=1952-12-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38684, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1952-12-15T13:36:05+08:00", "utc": "1952-12-15T05:36:05Z", "ms": -537906235436.5783 }, "end": { "local": "1952-12-16T12:04:25+08:00", "utc": "1952-12-16T04:04:25Z", "ms": -537825334920.25366 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-12-15T13:36:05+08:00", "utc": "1952-12-15T05:36:05Z", "ms": -537906235436.5783 }, "end": { "local": "1952-12-16T12:04:25+08:00", "utc": "1952-12-16T04:04:25Z", "ms": -537825334920.25366 } }, "kaala": "nishita", "days": [ { "local_date": "1952-12-15", "window": { "start": { "local": "1952-12-16T00:20:49+08:00", "utc": "1952-12-15T16:20:49Z", "ms": -537867551407.7078 }, "end": { "local": "1952-12-16T01:08:49+08:00", "utc": "1952-12-15T17:08:49Z", "ms": -537864671407.7078 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-12-16", "window": { "start": { "local": "1952-12-17T00:21:17+08:00", "utc": "1952-12-16T16:21:17Z", "ms": -537781122615.47437 }, "end": { "local": "1952-12-17T01:09:17+08:00", "utc": "1952-12-16T17:09:17Z", "ms": -537778242615.47437 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:36 on Mon 15 Dec to 12:04 on Tue 16 Dec.", "fact": "1952-12-15T05:36:05Z → 1952-12-16T04:04:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:21–01:09 on the 15th, 00:21–01:09 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38684 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1952: Monday 15 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-12-15", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1952 falls on Monday 15 December. Caturdaśī runs from 13:36 on Mon 15 Dec to 12:04 on Tue 16 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1952/shivaratri?on=1952-12-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/vinayaka-chaturthi?on=1952-12-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36163, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1952-12-20T02:20:15+08:00", "utc": "1952-12-19T18:20:15Z", "ms": -537514785028.86835 }, "end": { "local": "1952-12-20T23:40:38+08:00", "utc": "1952-12-20T15:40:38Z", "ms": -537437962265.64606 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-12-20T02:20:15+08:00", "utc": "1952-12-19T18:20:15Z", "ms": -537514785028.86835 }, "end": { "local": "1952-12-20T23:40:38+08:00", "utc": "1952-12-20T15:40:38Z", "ms": -537437962265.64606 } }, "kaala": "madhyahna", "days": [ { "local_date": "1952-12-20", "window": { "start": { "local": "1952-12-20T12:22:58+08:00", "utc": "1952-12-20T04:22:58Z", "ms": -537478621874.20276 }, "end": { "local": "1952-12-20T13:10:58+08:00", "utc": "1952-12-20T05:10:58Z", "ms": -537475741874.20276 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1952-12-21", "window": { "start": { "local": "1952-12-21T12:23:28+08:00", "utc": "1952-12-21T04:23:28Z", "ms": -537392191611.9796 }, "end": { "local": "1952-12-21T13:11:28+08:00", "utc": "1952-12-21T05:11:28Z", "ms": -537389311611.9796 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:20 on Sat 20 Dec to 23:41 on Sat 20 Dec.", "fact": "1952-12-19T18:20:15Z → 1952-12-20T15:40:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 20th, 12:23–13:11 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36163 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1952: Saturday 20 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-12-20", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1952 falls on Saturday 20 December. Caturthī runs from 02:20 on Sat 20 Dec to 23:41 on Sat 20 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1952/vinayaka-chaturthi?on=1952-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/ekadashi?on=1952-12-27", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13726, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1952-12-26T12:30:18+08:00", "utc": "1952-12-26T04:30:18Z", "ms": -536959781864.04596 }, "end": { "local": "1952-12-27T11:47:01+08:00", "utc": "1952-12-27T03:47:01Z", "ms": -536875978601.3893 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-12-26T12:30:18+08:00", "utc": "1952-12-26T04:30:18Z", "ms": -536959781864.04596 }, "end": { "local": "1952-12-27T11:47:01+08:00", "utc": "1952-12-27T03:47:01Z", "ms": -536875978601.3893 } }, "kaala": "sunrise", "days": [ { "local_date": "1952-12-26", "window": { "start": { "local": "1952-12-26T07:57:54+08:00", "utc": "1952-12-25T23:57:54Z", "ms": -536976126114.08984 }, "end": { "local": "1952-12-26T07:57:54+08:00", "utc": "1952-12-25T23:57:54Z", "ms": -536976126114.08984 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1952-12-27", "window": { "start": { "local": "1952-12-27T07:58:16+08:00", "utc": "1952-12-26T23:58:16Z", "ms": -536889704113.0278 }, "end": { "local": "1952-12-27T07:58:16+08:00", "utc": "1952-12-26T23:58:16Z", "ms": -536889704113.0278 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:30 on Fri 26 Dec to 11:47 on Sat 27 Dec.", "fact": "1952-12-26T04:30:18Z → 1952-12-27T03:47:01Z" }, { "step": "kaala", "text": "Sunrise is at 07:58 on the 26th and 07:58 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13726 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Qingyang, 1952: Saturday 27 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1952-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-12-27", "confidence": "determinate" } ], "quote": "In Qingyang, Putradā Ekādaśī 1952 falls on Saturday 27 December. Ekādaśī runs from 12:30 on Fri 26 Dec to 11:47 on Sat 27 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1952/ekadashi?on=1952-12-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1952/pradosha-vrata?on=1952-12-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1952, "local_date": "1952-12-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22307, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1952-12-28T11:27:05+08:00", "utc": "1952-12-28T03:27:05Z", "ms": -536790775455.65027 }, "end": { "local": "1952-12-29T11:32:17+08:00", "utc": "1952-12-29T03:32:17Z", "ms": -536704063360.6386 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1952-12-28T11:27:05+08:00", "utc": "1952-12-28T03:27:05Z", "ms": -536790775455.65027 }, "end": { "local": "1952-12-29T11:32:17+08:00", "utc": "1952-12-29T03:32:17Z", "ms": -536704063360.6386 } }, "kaala": "pradosha", "days": [ { "local_date": "1952-12-28", "window": { "start": { "local": "1952-12-28T17:43:22+08:00", "utc": "1952-12-28T09:43:22Z", "ms": -536768197522.51306 }, "end": { "local": "1952-12-28T19:37:27+08:00", "utc": "1952-12-28T11:37:27Z", "ms": -536761353259.19586 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "1952-12-29", "window": { "start": { "local": "1952-12-29T17:44:03+08:00", "utc": "1952-12-29T09:44:03Z", "ms": -536681756699.27527 }, "end": { "local": "1952-12-29T19:38:04+08:00", "utc": "1952-12-29T11:38:04Z", "ms": -536674915675.7712 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:27 on Sun 28 Dec to 11:32 on Mon 29 Dec.", "fact": "1952-12-28T03:27:05Z → 1952-12-29T03:32:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:43–19:37 on the 28th, 17:44–19:38 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 114 of 114 minutes on the 28th and 0 of 114 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22307 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1952: Sunday 28 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": "1952-12-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1952-12-28", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1952 falls on Sunday 28 December. Trayodaśī runs from 11:27 on Sun 28 Dec to 11:32 on Mon 29 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1952/pradosha-vrata?on=1952-12-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }