{ "id": "/mosul/festivals/1955", "place": { "id": "99072", "slug": "mosul", "name": "Mosul", "region": "Nineveh, Iraq", "country": "IQ", "lat": 36.335, "lon": 43.11889, "elevation_m": 228, "tz": "Asia/Baghdad" }, "year": 1955, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/mosul/festivals/1955/ekadashi?on=1955-01-04", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4555, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-01-04T06:03:53+03:00", "utc": "1955-01-04T03:03:53Z", "ms": -473115367117.9314 }, "end": { "local": "1955-01-05T03:19:45+03:00", "utc": "1955-01-05T00:19:45Z", "ms": -473038814811.3377 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-01-04T06:03:53+03:00", "utc": "1955-01-04T03:03:53Z", "ms": -473115367117.9314 }, "end": { "local": "1955-01-05T03:19:45+03:00", "utc": "1955-01-05T00:19:45Z", "ms": -473038814811.3377 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-01-04", "window": { "start": { "local": "1955-01-04T07:19:48+03:00", "utc": "1955-01-04T04:19:48Z", "ms": -473110811888.1709 }, "end": { "local": "1955-01-04T07:19:48+03:00", "utc": "1955-01-04T04:19:48Z", "ms": -473110811888.1709 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-01-05", "window": { "start": { "local": "1955-01-05T07:19:53+03:00", "utc": "1955-01-05T04:19:53Z", "ms": -473024406713.2696 }, "end": { "local": "1955-01-05T07:19:53+03:00", "utc": "1955-01-05T04:19:53Z", "ms": -473024406713.2696 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:04 on Tue 4 Jan to 03:20 on Wed 5 Jan.", "fact": "1955-01-04T03:03:53Z → 1955-01-05T00:19:45Z" }, { "step": "kaala", "text": "Sunrise is at 07:20 on the 4th and 07:20 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 4555 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Mosul, 1955: Tuesday 4 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": "1955-01-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-04", "confidence": "determinate" } ], "quote": "In Mosul, Putradā Ekādaśī 1955 falls on Tuesday 4 January. Ekādaśī runs from 06:04 on Tue 4 Jan to 03:20 on Wed 5 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-01-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-01-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8663, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-01-06T00:24:22+03:00", "utc": "1955-01-05T21:24:22Z", "ms": -472962937969.633 }, "end": { "local": "1955-01-06T21:24:42+03:00", "utc": "1955-01-06T18:24:42Z", "ms": -472887318420.6245 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-01-06T00:24:22+03:00", "utc": "1955-01-05T21:24:22Z", "ms": -472962937969.633 }, "end": { "local": "1955-01-06T21:24:42+03:00", "utc": "1955-01-06T18:24:42Z", "ms": -472887318420.6245 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-01-05", "window": { "start": { "local": "1955-01-05T17:05:40+03:00", "utc": "1955-01-05T14:05:40Z", "ms": -472989260383.4888 }, "end": { "local": "1955-01-05T18:59:34+03:00", "utc": "1955-01-05T15:59:34Z", "ms": -472982426136.4989 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "1955-01-06", "window": { "start": { "local": "1955-01-06T17:06:31+03:00", "utc": "1955-01-06T14:06:31Z", "ms": -472902809333.06445 }, "end": { "local": "1955-01-06T19:00:18+03:00", "utc": "1955-01-06T16:00:18Z", "ms": -472895981734.5653 } }, "covered_min": 114, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:24 on Thu 6 Jan to 21:25 on Thu 6 Jan.", "fact": "1955-01-05T21:24:22Z → 1955-01-06T18:24:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:06–19:00 on the 5th, 17:07–19:00 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 114 minutes on the 5th and 114 of 114 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 8663 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mosul, 1955: Thursday 6 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": "1955-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-06", "confidence": "determinate" } ], "quote": "In Mosul, Śukla Pradoṣa Vrata 1955 falls on Thursday 6 January. Trayodaśī runs from 00:24 on Thu 6 Jan to 21:25 on Thu 6 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-01-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/sankashta-chaturthi?on=1955-01-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37995, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-01-11T10:05:35+03:00", "utc": "1955-01-11T07:05:35Z", "ms": -472496065226.2027 }, "end": { "local": "1955-01-12T09:28:55+03:00", "utc": "1955-01-12T06:28:55Z", "ms": -472411865422.7673 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-01-11T10:05:35+03:00", "utc": "1955-01-11T07:05:35Z", "ms": -472496065226.2027 }, "end": { "local": "1955-01-12T09:28:55+03:00", "utc": "1955-01-12T06:28:55Z", "ms": -472411865422.7673 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-01-11", "window": { "start": { "local": "1955-01-11T20:38:50+03:00", "utc": "1955-01-11T17:38:50Z", "ms": -472458070002.257 }, "end": { "local": "1955-01-11T20:38:50+03:00", "utc": "1955-01-11T17:38:50Z", "ms": -472458070002.257 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-01-12", "window": { "start": { "local": "1955-01-12T21:41:15+03:00", "utc": "1955-01-12T18:41:15Z", "ms": -472367925054.7801 }, "end": { "local": "1955-01-12T21:41:15+03:00", "utc": "1955-01-12T18:41:15Z", "ms": -472367925054.7801 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:06 on Tue 11 Jan to 09:29 on Wed 12 Jan.", "fact": "1955-01-11T07:05:35Z → 1955-01-12T06:28:55Z" }, { "step": "kaala", "text": "Moonrise is at 20:39 on the 11th and 21:41 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37995 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mosul, 1955: Tuesday 11 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-01-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-11", "confidence": "determinate" } ], "quote": "In Mosul, Saṅkaṣṭa Caturthī 1955 falls on Tuesday 11 January. Caturthī runs from 10:06 on Tue 11 Jan to 09:29 on Wed 12 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/sankashta-chaturthi?on=1955-01-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34753, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1955-01-14T07:34:41+03:00", "utc": "1955-01-14T04:34:41Z", "ms": -472245919338.70905 }, "end": { "local": "1955-02-12T20:32:40+03:00", "utc": "1955-02-12T17:32:40Z", "ms": -469693640369.23065 } }, "span": { "of": "transit", "start": { "local": "1955-01-14T07:34:41+03:00", "utc": "1955-01-14T04:34:41Z", "ms": -472245919338.70905 }, "end": { "local": "1955-01-14T07:34:41+03:00", "utc": "1955-01-14T04:34:41Z", "ms": -472245919338.70905 } }, "kaala": "sunset-day", "days": [ { "local_date": "1955-01-14", "window": { "start": { "local": "1955-01-13T17:12:55+03:00", "utc": "1955-01-13T14:12:55Z", "ms": -472297624581.8594 }, "end": { "local": "1955-01-14T17:13:54+03:00", "utc": "1955-01-14T14:13:54Z", "ms": -472211166240.63556 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1955-01-15", "window": { "start": { "local": "1955-01-14T17:13:54+03:00", "utc": "1955-01-14T14:13:54Z", "ms": -472211166240.63556 }, "end": { "local": "1955-01-15T17:14:53+03:00", "utc": "1955-01-15T14:14:53Z", "ms": -472124707195.0969 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1955-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:35 on Fri 14 Jan.", "fact": "1955-01-14T04:34:41Z · 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 17:14, and the day of the 15th ends at 17:15.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 34753 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Mosul, 1955: Thursday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1955-01-13", "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": "1955-01-13", "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 Mosul, Bhogi 1955 falls on Thursday 13 January. It is kept the day before Pongal, which falls on Friday 14 January. The Sun enters Makara at 07:35 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34753, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1955-01-14T07:34:41+03:00", "utc": "1955-01-14T04:34:41Z", "ms": -472245919338.70905 }, "end": { "local": "1955-02-12T20:32:40+03:00", "utc": "1955-02-12T17:32:40Z", "ms": -469693640369.23065 } }, "span": { "of": "transit", "start": { "local": "1955-01-14T07:34:41+03:00", "utc": "1955-01-14T04:34:41Z", "ms": -472245919338.70905 }, "end": { "local": "1955-01-14T07:34:41+03:00", "utc": "1955-01-14T04:34:41Z", "ms": -472245919338.70905 } }, "kaala": "sunset-day", "days": [ { "local_date": "1955-01-14", "window": { "start": { "local": "1955-01-13T17:12:55+03:00", "utc": "1955-01-13T14:12:55Z", "ms": -472297624581.8594 }, "end": { "local": "1955-01-14T17:13:54+03:00", "utc": "1955-01-14T14:13:54Z", "ms": -472211166240.63556 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1955-01-15", "window": { "start": { "local": "1955-01-14T17:13:54+03:00", "utc": "1955-01-14T14:13:54Z", "ms": -472211166240.63556 }, "end": { "local": "1955-01-15T17:14:53+03:00", "utc": "1955-01-15T14:14:53Z", "ms": -472124707195.0969 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:35 on Fri 14 Jan.", "fact": "1955-01-14T04:34:41Z · 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 17:14, and the day of the 15th ends at 17:15.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 34753 s" }, { "step": "ruling", "text": "Pongal, Mosul, 1955: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1955-01-14", "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": "1955-01-14", "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 Mosul, Pongal 1955 falls on Friday 14 January. The Sun enters Makara at 07:35 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27281, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1955-01-14T07:34:41+03:00", "utc": "1955-01-14T04:34:41Z", "ms": -472245919338.70905 }, "end": { "local": "1955-02-12T20:32:40+03:00", "utc": "1955-02-12T17:32:40Z", "ms": -469693640369.23065 } }, "span": { "of": "transit", "start": { "local": "1955-01-14T07:34:41+03:00", "utc": "1955-01-14T04:34:41Z", "ms": -472245919338.70905 }, "end": { "local": "1955-01-14T07:34:41+03:00", "utc": "1955-01-14T04:34:41Z", "ms": -472245919338.70905 } }, "kaala": "civil-day", "days": [ { "local_date": "1955-01-13", "window": { "start": { "local": "1955-01-13T00:00:00+03:00", "utc": "1955-01-12T21:00:00Z", "ms": -472359600000 }, "end": { "local": "1955-01-14T00:00:00+03:00", "utc": "1955-01-13T21:00:00Z", "ms": -472273200000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1955-01-14", "window": { "start": { "local": "1955-01-14T00:00:00+03:00", "utc": "1955-01-13T21:00:00Z", "ms": -472273200000 }, "end": { "local": "1955-01-15T00:00:00+03:00", "utc": "1955-01-14T21:00:00Z", "ms": -472186800000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:35 on Fri 14 Jan.", "fact": "1955-01-14T04:34:41Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Mosul.", "fact": "civil-day: midnight-to-midnight · Asia/Baghdad" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 27281 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Mosul, 1955: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1955-01-14", "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": "1955-01-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Mosul, Makara Saṅkrānti 1955 falls on Friday 14 January. The Sun enters Makara at 07:35 on Fri 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34753, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1955-01-14T07:34:41+03:00", "utc": "1955-01-14T04:34:41Z", "ms": -472245919338.70905 }, "end": { "local": "1955-02-12T20:32:40+03:00", "utc": "1955-02-12T17:32:40Z", "ms": -469693640369.23065 } }, "span": { "of": "transit", "start": { "local": "1955-01-14T07:34:41+03:00", "utc": "1955-01-14T04:34:41Z", "ms": -472245919338.70905 }, "end": { "local": "1955-01-14T07:34:41+03:00", "utc": "1955-01-14T04:34:41Z", "ms": -472245919338.70905 } }, "kaala": "sunset-day", "days": [ { "local_date": "1955-01-14", "window": { "start": { "local": "1955-01-13T17:12:55+03:00", "utc": "1955-01-13T14:12:55Z", "ms": -472297624581.8594 }, "end": { "local": "1955-01-14T17:13:54+03:00", "utc": "1955-01-14T14:13:54Z", "ms": -472211166240.63556 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1955-01-15", "window": { "start": { "local": "1955-01-14T17:13:54+03:00", "utc": "1955-01-14T14:13:54Z", "ms": -472211166240.63556 }, "end": { "local": "1955-01-15T17:14:53+03:00", "utc": "1955-01-15T14:14:53Z", "ms": -472124707195.0969 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1955-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:35 on Fri 14 Jan.", "fact": "1955-01-14T04:34:41Z · 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 17:14, and the day of the 15th ends at 17:15.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 34753 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Mosul, 1955: Saturday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1955-01-15", "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": "1955-01-15", "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 Mosul, Mattu Pongal 1955 falls on Saturday 15 January. It is kept the day after Pongal, which falls on Friday 14 January. The Sun enters Makara at 07:35 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-01-19", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32893, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-01-18T19:35:39+03:00", "utc": "1955-01-18T16:35:39Z", "ms": -471857060842.0892 }, "end": { "local": "1955-01-19T22:09:00+03:00", "utc": "1955-01-19T19:09:00Z", "ms": -471761459580.00555 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-01-18T19:35:39+03:00", "utc": "1955-01-18T16:35:39Z", "ms": -471857060842.0892 }, "end": { "local": "1955-01-19T22:09:00+03:00", "utc": "1955-01-19T19:09:00Z", "ms": -471761459580.00555 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-01-19", "window": { "start": { "local": "1955-01-19T07:17:37+03:00", "utc": "1955-01-19T04:17:37Z", "ms": -471814942589.1588 }, "end": { "local": "1955-01-19T07:17:37+03:00", "utc": "1955-01-19T04:17:37Z", "ms": -471814942589.1588 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-01-20", "window": { "start": { "local": "1955-01-20T07:17:13+03:00", "utc": "1955-01-20T04:17:13Z", "ms": -471728566908.4167 }, "end": { "local": "1955-01-20T07:17:13+03:00", "utc": "1955-01-20T04:17:13Z", "ms": -471728566908.4167 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:36 on Tue 18 Jan to 22:09 on Wed 19 Jan.", "fact": "1955-01-18T16:35:39Z → 1955-01-19T19:09:00Z" }, { "step": "kaala", "text": "Sunrise is at 07:18 on the 19th and 07:17 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32893 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Mosul, 1955: Wednesday 19 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": "1955-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-19", "confidence": "determinate" } ], "quote": "In Mosul, Ṣaṭtilā Ekādaśī 1955 falls on Wednesday 19 January. Ekādaśī runs from 19:36 on Tue 18 Jan to 22:09 on Wed 19 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-01-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-01-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18721, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-01-21T00:23:33+03:00", "utc": "1955-01-20T21:23:33Z", "ms": -471666987006.19226 }, "end": { "local": "1955-01-22T02:10:39+03:00", "utc": "1955-01-21T23:10:39Z", "ms": -471574161073.65497 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-01-21T00:23:33+03:00", "utc": "1955-01-20T21:23:33Z", "ms": -471666987006.19226 }, "end": { "local": "1955-01-22T02:10:39+03:00", "utc": "1955-01-21T23:10:39Z", "ms": -471574161073.65497 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-01-20", "window": { "start": { "local": "1955-01-20T17:19:57+03:00", "utc": "1955-01-20T14:19:57Z", "ms": -471692403095.7885 }, "end": { "local": "1955-01-20T19:11:32+03:00", "utc": "1955-01-20T16:11:32Z", "ms": -471685708431.46014 } }, "covered_min": 0, "window_min": 112, "qualifies": false }, { "local_date": "1955-01-21", "window": { "start": { "local": "1955-01-21T17:20:59+03:00", "utc": "1955-01-21T14:20:59Z", "ms": -471605940839.34436 }, "end": { "local": "1955-01-21T19:12:22+03:00", "utc": "1955-01-21T16:12:22Z", "ms": -471599258219.11273 } }, "covered_min": 111, "window_min": 111, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:24 on Fri 21 Jan to 02:11 on Sat 22 Jan.", "fact": "1955-01-20T21:23:33Z → 1955-01-21T23:10:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:20–19:12 on the 20th, 17:21–19:12 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 112 minutes on the 20th and 111 of 111 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18721 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 1955: Friday 21 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": "1955-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-21", "confidence": "determinate" } ], "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 1955 falls on Friday 21 January. Trayodaśī runs from 00:24 on Fri 21 Jan to 02:11 on Sat 22 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-01-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7151, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-01-22T02:10:39+03:00", "utc": "1955-01-21T23:10:39Z", "ms": -471574161073.65497 }, "end": { "local": "1955-01-23T03:25:28+03:00", "utc": "1955-01-23T00:25:28Z", "ms": -471483272040.56165 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-01-22T02:10:39+03:00", "utc": "1955-01-21T23:10:39Z", "ms": -471574161073.65497 }, "end": { "local": "1955-01-23T03:25:28+03:00", "utc": "1955-01-23T00:25:28Z", "ms": -471483272040.56165 } }, "kaala": "arunodaya", "days": [ { "local_date": "1955-01-22", "window": { "start": { "local": "1955-01-22T05:24:56+03:00", "utc": "1955-01-22T02:24:56Z", "ms": -471562503807.83875 }, "end": { "local": "1955-01-22T07:16:19+03:00", "utc": "1955-01-22T04:16:19Z", "ms": -471555821187.6071 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "1955-01-23", "window": { "start": { "local": "1955-01-23T05:24:39+03:00", "utc": "1955-01-23T02:24:39Z", "ms": -471476121394.33844 }, "end": { "local": "1955-01-23T07:15:49+03:00", "utc": "1955-01-23T04:15:49Z", "ms": -471469451114.18414 } }, "covered_min": 0, "window_min": 111, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:11 on Sat 22 Jan to 03:25 on Sun 23 Jan.", "fact": "1955-01-21T23:10:39Z → 1955-01-23T00:25:28Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:25–07:16 on the 22nd, 05:25–07:16 on the 23rd.", "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 111 of 111 minutes on the 22nd and 0 of 111 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7151 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Mosul, 1955: Saturday 22 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": "1955-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-22", "confidence": "determinate" } ], "quote": "In Mosul, Yama Tarpaṇa 1955 falls on Saturday 22 January. Caturdaśī runs from 02:11 on Sat 22 Jan to 03:25 on Sun 23 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/shivaratri?on=1955-01-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5280, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-01-22T02:10:39+03:00", "utc": "1955-01-21T23:10:39Z", "ms": -471574161073.65497 }, "end": { "local": "1955-01-23T03:25:28+03:00", "utc": "1955-01-23T00:25:28Z", "ms": -471483272040.56165 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-01-22T02:10:39+03:00", "utc": "1955-01-21T23:10:39Z", "ms": -471574161073.65497 }, "end": { "local": "1955-01-23T03:25:28+03:00", "utc": "1955-01-23T00:25:28Z", "ms": -471483272040.56165 } }, "kaala": "nishita", "days": [ { "local_date": "1955-01-21", "window": { "start": { "local": "1955-01-21T23:54:39+03:00", "utc": "1955-01-21T20:54:39Z", "ms": -471582321013.4757 }, "end": { "local": "1955-01-22T00:42:39+03:00", "utc": "1955-01-21T21:42:39Z", "ms": -471579441013.4757 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-01-22", "window": { "start": { "local": "1955-01-22T23:54:55+03:00", "utc": "1955-01-22T20:54:55Z", "ms": -471495904664.7627 }, "end": { "local": "1955-01-23T00:42:55+03:00", "utc": "1955-01-22T21:42:55Z", "ms": -471493024664.7627 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:11 on Sat 22 Jan to 03:25 on Sun 23 Jan.", "fact": "1955-01-21T23:10:39Z → 1955-01-23T00:25:28Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:55–00:43 on the 21st, 23:55–00:43 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 5280 s" }, { "step": "ruling", "text": "Śivarātri, Mosul, 1955: Saturday 22 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": "1955-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-22", "confidence": "determinate" } ], "quote": "In Mosul, Śivarātri 1955 falls on Saturday 22 January. Caturdaśī runs from 02:11 on Sat 22 Jan to 03:25 on Sun 23 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/shivaratri?on=1955-01-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31678, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-01-27T03:08:27+03:00", "utc": "1955-01-27T00:08:27Z", "ms": -471138693404.7349 }, "end": { "local": "1955-01-28T02:00:47+03:00", "utc": "1955-01-27T23:00:47Z", "ms": -471056352521.67334 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-01-27T03:08:27+03:00", "utc": "1955-01-27T00:08:27Z", "ms": -471138693404.7349 }, "end": { "local": "1955-01-28T02:00:47+03:00", "utc": "1955-01-27T23:00:47Z", "ms": -471056352521.67334 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-01-27", "window": { "start": { "local": "1955-01-27T11:56:25+03:00", "utc": "1955-01-27T08:56:25Z", "ms": -471107015080.9689 }, "end": { "local": "1955-01-27T12:44:25+03:00", "utc": "1955-01-27T09:44:25Z", "ms": -471104135080.9689 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-01-28", "window": { "start": { "local": "1955-01-28T11:56:37+03:00", "utc": "1955-01-28T08:56:37Z", "ms": -471020602591.5664 }, "end": { "local": "1955-01-28T12:44:37+03:00", "utc": "1955-01-28T09:44:37Z", "ms": -471017722591.5664 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:08 on Thu 27 Jan to 02:01 on Fri 28 Jan.", "fact": "1955-01-27T00:08:27Z → 1955-01-27T23:00:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 27th, 11:57–12:45 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31678 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Mosul, 1955: Thursday 27 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": "1955-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-27", "confidence": "determinate" } ], "quote": "In Mosul, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1955 falls on Thursday 27 January. Caturthī runs from 03:08 on Thu 27 Jan to 02:01 on Fri 28 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24204, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-01-27T03:08:27+03:00", "utc": "1955-01-27T00:08:27Z", "ms": -471138693404.7349 }, "end": { "local": "1955-01-28T02:00:47+03:00", "utc": "1955-01-27T23:00:47Z", "ms": -471056352521.67334 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-01-27T03:08:27+03:00", "utc": "1955-01-27T00:08:27Z", "ms": -471138693404.7349 }, "end": { "local": "1955-01-28T02:00:47+03:00", "utc": "1955-01-27T23:00:47Z", "ms": -471056352521.67334 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-01-26", "window": { "start": { "local": "1955-01-26T17:26:15+03:00", "utc": "1955-01-26T14:26:15Z", "ms": -471173624965.8862 }, "end": { "local": "1955-01-26T19:16:33+03:00", "utc": "1955-01-26T16:16:33Z", "ms": -471167006833.86273 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "1955-01-27", "window": { "start": { "local": "1955-01-27T17:27:19+03:00", "utc": "1955-01-27T14:27:19Z", "ms": -471087161186.22797 }, "end": { "local": "1955-01-27T19:17:23+03:00", "utc": "1955-01-27T16:17:23Z", "ms": -471080556745.44293 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:08 on Thu 27 Jan to 02:01 on Fri 28 Jan.", "fact": "1955-01-27T00:08:27Z → 1955-01-27T23:00:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:26–19:17 on the 26th, 17:27–19:17 on the 27th.", "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 110 minutes on the 26th and 110 of 110 on the 27th.", "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 24204 s" }, { "step": "ruling", "text": "Tila Caturthī, Mosul, 1955: Thursday 27 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-27", "confidence": "determinate" } ], "quote": "In Mosul, Tila Caturthī 1955 falls on Thursday 27 January. Caturthī runs from 03:08 on Thu 27 Jan to 02:01 on Fri 28 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35750, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1955-01-28T02:00:47+03:00", "utc": "1955-01-27T23:00:47Z", "ms": -471056352521.67334 }, "end": { "local": "1955-01-29T00:35:31+03:00", "utc": "1955-01-28T21:35:31Z", "ms": -470975068950.8574 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-01-28T02:00:47+03:00", "utc": "1955-01-27T23:00:47Z", "ms": -471056352521.67334 }, "end": { "local": "1955-01-29T00:35:31+03:00", "utc": "1955-01-28T21:35:31Z", "ms": -470975068950.8574 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-01-28", "window": { "start": { "local": "1955-01-28T11:56:37+03:00", "utc": "1955-01-28T08:56:37Z", "ms": -471020602591.5664 }, "end": { "local": "1955-01-28T12:44:37+03:00", "utc": "1955-01-28T09:44:37Z", "ms": -471017722591.5664 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-01-29", "window": { "start": { "local": "1955-01-29T11:56:49+03:00", "utc": "1955-01-29T08:56:49Z", "ms": -470934190935.3406 }, "end": { "local": "1955-01-29T12:44:49+03:00", "utc": "1955-01-29T09:44:49Z", "ms": -470931310935.3406 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:01 on Fri 28 Jan to 00:36 on Sat 29 Jan.", "fact": "1955-01-27T23:00:47Z → 1955-01-28T21:35:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 28th, 11:57–12:45 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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35750 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Mosul, 1955: Friday 28 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": "1955-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-28", "confidence": "determinate" } ], "quote": "In Mosul, Śrī Pañcamī 1955 falls on Friday 28 January. Pañcamī runs from 02:01 on Fri 28 Jan to 00:36 on Sat 29 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35750, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1955-01-28T02:00:47+03:00", "utc": "1955-01-27T23:00:47Z", "ms": -471056352521.67334 }, "end": { "local": "1955-01-29T00:35:31+03:00", "utc": "1955-01-28T21:35:31Z", "ms": -470975068950.8574 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-01-28T02:00:47+03:00", "utc": "1955-01-27T23:00:47Z", "ms": -471056352521.67334 }, "end": { "local": "1955-01-29T00:35:31+03:00", "utc": "1955-01-28T21:35:31Z", "ms": -470975068950.8574 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-01-28", "window": { "start": { "local": "1955-01-28T11:56:37+03:00", "utc": "1955-01-28T08:56:37Z", "ms": -471020602591.5664 }, "end": { "local": "1955-01-28T12:44:37+03:00", "utc": "1955-01-28T09:44:37Z", "ms": -471017722591.5664 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-01-29", "window": { "start": { "local": "1955-01-29T11:56:49+03:00", "utc": "1955-01-29T08:56:49Z", "ms": -470934190935.3406 }, "end": { "local": "1955-01-29T12:44:49+03:00", "utc": "1955-01-29T09:44:49Z", "ms": -470931310935.3406 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:01 on Fri 28 Jan to 00:36 on Sat 29 Jan.", "fact": "1955-01-27T23:00:47Z → 1955-01-28T21:35:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 28th, 11:57–12:45 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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35750 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Mosul, 1955: Friday 28 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": "1955-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-28", "confidence": "determinate" } ], "quote": "In Mosul, Vasanta Pañcamī 1955 falls on Friday 28 January. Pañcamī runs from 02:01 on Fri 28 Jan to 00:36 on Sat 29 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23158, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1955-01-29T22:55:55+03:00", "utc": "1955-01-29T19:55:55Z", "ms": -470894644903.69525 }, "end": { "local": "1955-01-30T21:04:43+03:00", "utc": "1955-01-30T18:04:43Z", "ms": -470814916649.3795 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-01-29T22:55:55+03:00", "utc": "1955-01-29T19:55:55Z", "ms": -470894644903.69525 }, "end": { "local": "1955-01-30T21:04:43+03:00", "utc": "1955-01-30T18:04:43Z", "ms": -470814916649.3795 } }, "kaala": "arunodaya", "days": [ { "local_date": "1955-01-30", "window": { "start": { "local": "1955-01-30T05:21:53+03:00", "utc": "1955-01-30T02:21:53Z", "ms": -470871487193.278 }, "end": { "local": "1955-01-30T07:11:29+03:00", "utc": "1955-01-30T04:11:29Z", "ms": -470864910860.8878 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "1955-01-31", "window": { "start": { "local": "1955-01-31T05:21:23+03:00", "utc": "1955-01-31T02:21:23Z", "ms": -470785116818.2351 }, "end": { "local": "1955-01-31T07:10:45+03:00", "utc": "1955-01-31T04:10:45Z", "ms": -470778554886.381 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 22:56 on Sat 29 Jan to 21:05 on Sun 30 Jan.", "fact": "1955-01-29T19:55:55Z → 1955-01-30T18:04:43Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:22–07:11 on the 30th, 05:21–07:11 on the 31st.", "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 110 of 110 minutes on the 30th and 0 of 109 on the 31st.", "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 23158 s" }, { "step": "ruling", "text": "Ratha Saptamī, Mosul, 1955: Sunday 30 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-01-30", "confidence": "determinate" } ], "quote": "In Mosul, Ratha Saptamī 1955 falls on Sunday 30 January. Saptamī runs from 22:56 on Sat 29 Jan to 21:05 on Sun 30 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-02-03", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19287, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-02-02T14:44:10+03:00", "utc": "1955-02-02T11:44:10Z", "ms": -470578550440.5377 }, "end": { "local": "1955-02-03T12:29:50+03:00", "utc": "1955-02-03T09:29:50Z", "ms": -470500209863.9282 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-02-02T14:44:10+03:00", "utc": "1955-02-02T11:44:10Z", "ms": -470578550440.5377 }, "end": { "local": "1955-02-03T12:29:50+03:00", "utc": "1955-02-03T09:29:50Z", "ms": -470500209863.9282 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-02-02", "window": { "start": { "local": "1955-02-02T07:09:12+03:00", "utc": "1955-02-02T04:09:12Z", "ms": -470605847869.7084 }, "end": { "local": "1955-02-02T07:09:12+03:00", "utc": "1955-02-02T04:09:12Z", "ms": -470605847869.7084 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-02-03", "window": { "start": { "local": "1955-02-03T07:08:23+03:00", "utc": "1955-02-03T04:08:23Z", "ms": -470519496767.8924 }, "end": { "local": "1955-02-03T07:08:23+03:00", "utc": "1955-02-03T04:08:23Z", "ms": -470519496767.8924 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:44 on Wed 2 Feb to 12:30 on Thu 3 Feb.", "fact": "1955-02-02T11:44:10Z → 1955-02-03T09:29:50Z" }, { "step": "kaala", "text": "Sunrise is at 07:09 on the 2nd and 07:08 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19287 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Mosul, 1955: Thursday 3 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": "1955-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-02-03", "confidence": "determinate" } ], "quote": "In Mosul, Jayā Ekādaśī 1955 falls on Thursday 3 February. Ekādaśī runs from 14:44 on Wed 2 Feb to 12:30 on Thu 3 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 945, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1955-02-03T12:29:50+03:00", "utc": "1955-02-03T09:29:50Z", "ms": -470500209863.9282 }, "end": { "local": "1955-02-04T10:17:21+03:00", "utc": "1955-02-04T07:17:21Z", "ms": -470421758774.9 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-02-03T12:29:50+03:00", "utc": "1955-02-03T09:29:50Z", "ms": -470500209863.9282 }, "end": { "local": "1955-02-04T10:17:21+03:00", "utc": "1955-02-04T07:17:21Z", "ms": -470421758774.9 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-02-03", "window": { "start": { "local": "1955-02-03T11:57:35+03:00", "utc": "1955-02-03T08:57:35Z", "ms": -470502145283.1048 }, "end": { "local": "1955-02-03T12:45:35+03:00", "utc": "1955-02-03T09:45:35Z", "ms": -470499265283.1048 } }, "covered_min": 16, "window_min": 48, "qualifies": true }, { "local_date": "1955-02-04", "window": { "start": { "local": "1955-02-04T11:57:41+03:00", "utc": "1955-02-04T08:57:41Z", "ms": -470415738675.81085 }, "end": { "local": "1955-02-04T12:45:41+03:00", "utc": "1955-02-04T09:45:41Z", "ms": -470412858675.81085 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:30 on Thu 3 Feb to 10:17 on Fri 4 Feb.", "fact": "1955-02-03T09:29:50Z → 1955-02-04T07:17:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 3rd, 11:58–12:46 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 16 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "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 945 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Mosul, 1955: Thursday 3 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": "1955-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-02-03", "confidence": "determinate" } ], "quote": "In Mosul, Bhīṣma Dvādaśī 1955 falls on Thursday 3 February. Dvādaśī runs from 12:30 on Thu 3 Feb to 10:17 on Fri 4 Feb and covers 16 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/pradosha-vrata?on=1955-02-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26309, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-02-04T10:17:21+03:00", "utc": "1955-02-04T07:17:21Z", "ms": -470421758774.9 }, "end": { "local": "1955-02-05T08:11:26+03:00", "utc": "1955-02-05T05:11:26Z", "ms": -470342914452.0916 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-02-04T10:17:21+03:00", "utc": "1955-02-04T07:17:21Z", "ms": -470421758774.9 }, "end": { "local": "1955-02-05T08:11:26+03:00", "utc": "1955-02-05T05:11:26Z", "ms": -470342914452.0916 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-02-04", "window": { "start": { "local": "1955-02-04T17:35:50+03:00", "utc": "1955-02-04T14:35:50Z", "ms": -470395450122.9252 }, "end": { "local": "1955-02-04T19:23:57+03:00", "utc": "1955-02-04T16:23:57Z", "ms": -470388963335.837 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1955-02-05", "window": { "start": { "local": "1955-02-05T17:36:53+03:00", "utc": "1955-02-05T14:36:53Z", "ms": -470308986579.19556 }, "end": { "local": "1955-02-05T19:24:45+03:00", "utc": "1955-02-05T16:24:45Z", "ms": -470302515396.3952 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:17 on Fri 4 Feb to 08:11 on Sat 5 Feb.", "fact": "1955-02-04T07:17:21Z → 1955-02-05T05:11:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:24 on the 4th, 17:37–19:25 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 108 of 108 minutes on the 4th and 0 of 108 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 26309 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mosul, 1955: Friday 4 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": "1955-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-02-04", "confidence": "determinate" } ], "quote": "In Mosul, Śukla Pradoṣa Vrata 1955 falls on Friday 4 February. Trayodaśī runs from 10:17 on Fri 4 Feb to 08:11 on Sat 5 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-02-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20408, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-02-06T06:17:44+03:00", "utc": "1955-02-06T03:17:44Z", "ms": -470263336047.51447 }, "end": { "local": "1955-02-07T04:42:44+03:00", "utc": "1955-02-07T01:42:44Z", "ms": -470182636155.9869 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1955-02-06T06:17:44+03:00", "utc": "1955-02-06T03:17:44Z", "ms": -470263336047.51447 }, "end": { "local": "1955-02-07T04:42:44+03:00", "utc": "1955-02-07T01:42:44Z", "ms": -470182636155.9869 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-02-06", "window": { "start": { "local": "1955-02-06T11:57:52+03:00", "utc": "1955-02-06T08:57:52Z", "ms": -470242927946.45294 }, "end": { "local": "1955-02-06T12:45:52+03:00", "utc": "1955-02-06T09:45:52Z", "ms": -470240047946.45294 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-02-07", "window": { "start": { "local": "1955-02-07T11:57:56+03:00", "utc": "1955-02-07T08:57:56Z", "ms": -470156523807.92505 }, "end": { "local": "1955-02-07T12:45:56+03:00", "utc": "1955-02-07T09:45:56Z", "ms": -470153643807.92505 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:18 on Sun 6 Feb to 04:43 on Mon 7 Feb.", "fact": "1955-02-06T03:17:44Z → 1955-02-07T01:42:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 6th, 11:58–12:46 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 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20408 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Mosul, 1955: Sunday 6 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": "1955-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-02-06", "confidence": "determinate" } ], "quote": "In Mosul, Māghī Pūrṇimā 1955 falls on Sunday 6 February. Pūrṇimā runs from 06:18 on Sun 6 Feb to 04:43 on Mon 7 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/sankashta-chaturthi?on=1955-02-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22302, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-02-10T02:56:09+03:00", "utc": "1955-02-09T23:56:09Z", "ms": -469929831300.5556 }, "end": { "local": "1955-02-11T03:37:14+03:00", "utc": "1955-02-11T00:37:14Z", "ms": -469840965675.2822 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1955-02-10T02:56:09+03:00", "utc": "1955-02-09T23:56:09Z", "ms": -469929831300.5556 }, "end": { "local": "1955-02-11T03:37:14+03:00", "utc": "1955-02-11T00:37:14Z", "ms": -469840965675.2822 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-02-09", "window": { "start": { "local": "1955-02-09T20:25:08+03:00", "utc": "1955-02-09T17:25:08Z", "ms": -469953292090.5808 }, "end": { "local": "1955-02-09T20:25:08+03:00", "utc": "1955-02-09T17:25:08Z", "ms": -469953292090.5808 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-02-10", "window": { "start": { "local": "1955-02-10T21:25:32+03:00", "utc": "1955-02-10T18:25:32Z", "ms": -469863267707.8488 }, "end": { "local": "1955-02-10T21:25:32+03:00", "utc": "1955-02-10T18:25:32Z", "ms": -469863267707.8488 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:56 on Thu 10 Feb to 03:37 on Fri 11 Feb.", "fact": "1955-02-09T23:56:09Z → 1955-02-11T00:37:14Z" }, { "step": "kaala", "text": "Moonrise is at 20:25 on the 9th and 21:26 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 22302 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mosul, 1955: Thursday 10 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": "1955-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-02-10", "confidence": "determinate" } ], "quote": "In Mosul, Saṅkaṣṭa Caturthī 1955 falls on Thursday 10 February. Caturthī runs from 02:56 on Thu 10 Feb to 03:37 on Fri 11 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/sankashta-chaturthi?on=1955-02-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/ekadashi?on=1955-02-18", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35824, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-02-17T16:51:34+03:00", "utc": "1955-02-17T13:51:34Z", "ms": -469274906480.9702 }, "end": { "local": "1955-02-18T18:37:32+03:00", "utc": "1955-02-18T15:37:32Z", "ms": -469182147833.3811 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1955-02-17T16:51:34+03:00", "utc": "1955-02-17T13:51:34Z", "ms": -469274906480.9702 }, "end": { "local": "1955-02-18T18:37:32+03:00", "utc": "1955-02-18T15:37:32Z", "ms": -469182147833.3811 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-02-17", "window": { "start": { "local": "1955-02-17T06:54:30+03:00", "utc": "1955-02-17T03:54:30Z", "ms": -469310730335.51135 }, "end": { "local": "1955-02-17T06:54:30+03:00", "utc": "1955-02-17T03:54:30Z", "ms": -469310730335.51135 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-02-18", "window": { "start": { "local": "1955-02-18T06:53:21+03:00", "utc": "1955-02-18T03:53:21Z", "ms": -469224399186.6114 }, "end": { "local": "1955-02-18T06:53:21+03:00", "utc": "1955-02-18T03:53:21Z", "ms": -469224399186.6114 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:52 on Thu 17 Feb to 18:38 on Fri 18 Feb.", "fact": "1955-02-17T13:51:34Z → 1955-02-18T15:37:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:54 on the 17th and 06:53 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 35824 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Mosul, 1955: Friday 18 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": "1955-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-02-18", "confidence": "determinate" } ], "quote": "In Mosul, Vijayā Ekādaśī 1955 falls on Friday 18 February. Ekādaśī runs from 16:52 on Thu 17 Feb to 18:38 on Fri 18 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-02-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13748, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-02-20T20:07:56+03:00", "utc": "1955-02-20T17:07:56Z", "ms": -469003923794.6187 }, "end": { "local": "1955-02-21T19:49:52+03:00", "utc": "1955-02-21T16:49:52Z", "ms": -468918607923.8419 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1955-02-20T20:07:56+03:00", "utc": "1955-02-20T17:07:56Z", "ms": -469003923794.6187 }, "end": { "local": "1955-02-21T19:49:52+03:00", "utc": "1955-02-21T16:49:52Z", "ms": -468918607923.8419 } }, "kaala": "nishita", "days": [ { "local_date": "1955-02-20", "window": { "start": { "local": "1955-02-20T23:57:05+03:00", "utc": "1955-02-20T20:57:05Z", "ms": -468990175373.27234 }, "end": { "local": "1955-02-21T00:45:05+03:00", "utc": "1955-02-20T21:45:05Z", "ms": -468987295373.27234 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-02-21", "window": { "start": { "local": "1955-02-21T23:56:58+03:00", "utc": "1955-02-21T20:56:58Z", "ms": -468903782010.394 }, "end": { "local": "1955-02-22T00:44:58+03:00", "utc": "1955-02-21T21:44:58Z", "ms": -468900902010.394 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:08 on Sun 20 Feb to 19:50 on Mon 21 Feb.", "fact": "1955-02-20T17:07:56Z → 1955-02-21T16:49:52Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:57–00:45 on the 20th, 23:57–00:45 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. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 13748 s" }, { "step": "ruling", "text": "Mahāśivarātri, Mosul, 1955: Sunday 20 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": "1955-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-02-20", "confidence": "determinate" } ], "quote": "In Mosul, Mahāśivarātri 1955 falls on Sunday 20 February. Caturdaśī runs from 20:08 on Sun 20 Feb to 19:50 on Mon 21 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/pradosha-vrata?on=1955-02-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 530, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-02-19T19:44:09+03:00", "utc": "1955-02-19T16:44:09Z", "ms": -469091751196.7403 }, "end": { "local": "1955-02-20T20:07:56+03:00", "utc": "1955-02-20T17:07:56Z", "ms": -469003923794.6187 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1955-02-19T19:44:09+03:00", "utc": "1955-02-19T16:44:09Z", "ms": -469091751196.7403 }, "end": { "local": "1955-02-20T20:07:56+03:00", "utc": "1955-02-20T17:07:56Z", "ms": -469003923794.6187 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-02-19", "window": { "start": { "local": "1955-02-19T17:51:21+03:00", "utc": "1955-02-19T14:51:21Z", "ms": -469098518708.3274 }, "end": { "local": "1955-02-19T19:35:18+03:00", "utc": "1955-02-19T16:35:18Z", "ms": -469092281554.86096 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "1955-02-20", "window": { "start": { "local": "1955-02-20T17:52:21+03:00", "utc": "1955-02-20T14:52:21Z", "ms": -469012058732.1066 }, "end": { "local": "1955-02-20T19:36:01+03:00", "utc": "1955-02-20T16:36:01Z", "ms": -469005839169.7508 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:44 on Sat 19 Feb to 20:08 on Sun 20 Feb.", "fact": "1955-02-19T16:44:09Z → 1955-02-20T17:07:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:35 on the 19th, 17:52–19:36 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 104 minutes on the 19th and 104 of 104 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 530 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 1955: Sunday 20 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": "1955-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-02-20", "confidence": "boundary" } ], "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 1955 falls on Sunday 20 February. Trayodaśī runs from 19:44 on Sat 19 Feb to 20:08 on Sun 20 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-02-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/vinayaka-chaturthi?on=1955-02-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2345, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-02-25T13:31:55+03:00", "utc": "1955-02-25T10:31:55Z", "ms": -468595685125.81 }, "end": { "local": "1955-02-26T11:17:50+03:00", "utc": "1955-02-26T08:17:50Z", "ms": -468517330422.6959 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1955-02-25T13:31:55+03:00", "utc": "1955-02-25T10:31:55Z", "ms": -468595685125.81 }, "end": { "local": "1955-02-26T11:17:50+03:00", "utc": "1955-02-26T08:17:50Z", "ms": -468517330422.6959 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-02-25", "window": { "start": { "local": "1955-02-25T11:57:03+03:00", "utc": "1955-02-25T08:57:03Z", "ms": -468601376536.1051 }, "end": { "local": "1955-02-25T12:45:03+03:00", "utc": "1955-02-25T09:45:03Z", "ms": -468598496536.1051 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-02-26", "window": { "start": { "local": "1955-02-26T11:56:54+03:00", "utc": "1955-02-26T08:56:54Z", "ms": -468514985822.1952 }, "end": { "local": "1955-02-26T12:44:54+03:00", "utc": "1955-02-26T09:44:54Z", "ms": -468512105822.1952 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:32 on Fri 25 Feb to 11:18 on Sat 26 Feb.", "fact": "1955-02-25T10:31:55Z → 1955-02-26T08:17:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 25th, 11:57–12:45 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 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 2345 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mosul, 1955: Saturday 26 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": "1955-02-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-02-26", "confidence": "boundary" } ], "quote": "In Mosul, Vināyaka Caturthī 1955 falls on Saturday 26 February. Caturthī runs from 13:32 on Fri 25 Feb to 11:18 on Sat 26 Feb, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/mosul/festivals/1955/vinayaka-chaturthi?on=1955-02-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/ekadashi?on=1955-03-04", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26462, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-03-03T23:14:37+03:00", "utc": "1955-03-03T20:14:37Z", "ms": -468042322927.3264 }, "end": { "local": "1955-03-04T21:47:31+03:00", "utc": "1955-03-04T18:47:31Z", "ms": -467961149417.1476 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1955-03-03T23:14:37+03:00", "utc": "1955-03-03T20:14:37Z", "ms": -468042322927.3264 }, "end": { "local": "1955-03-04T21:47:31+03:00", "utc": "1955-03-04T18:47:31Z", "ms": -467961149417.1476 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-03-04", "window": { "start": { "local": "1955-03-04T06:35:39+03:00", "utc": "1955-03-04T03:35:39Z", "ms": -468015861298.0268 }, "end": { "local": "1955-03-04T06:35:39+03:00", "utc": "1955-03-04T03:35:39Z", "ms": -468015861298.0268 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-03-05", "window": { "start": { "local": "1955-03-05T06:34:17+03:00", "utc": "1955-03-05T03:34:17Z", "ms": -467929542964.7084 }, "end": { "local": "1955-03-05T06:34:17+03:00", "utc": "1955-03-05T03:34:17Z", "ms": -467929542964.7084 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:15 on Thu 3 Mar to 21:48 on Fri 4 Mar.", "fact": "1955-03-03T20:14:37Z → 1955-03-04T18:47:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:36 on the 4th and 06:34 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 26462 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Mosul, 1955: Friday 4 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": "1955-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-04", "confidence": "determinate" } ], "quote": "In Mosul, Āmalakī Ekādaśī 1955 falls on Friday 4 March. Ekādaśī runs from 23:15 on Thu 3 Mar to 21:48 on Fri 4 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-03-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-03-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 598, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-03-05T20:33:30+03:00", "utc": "1955-03-05T17:33:30Z", "ms": -467879190090.4856 }, "end": { "local": "1955-03-06T19:35:13+03:00", "utc": "1955-03-06T16:35:13Z", "ms": -467796286878.02826 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1955-03-05T20:33:30+03:00", "utc": "1955-03-05T17:33:30Z", "ms": -467879190090.4856 }, "end": { "local": "1955-03-06T19:35:13+03:00", "utc": "1955-03-06T16:35:13Z", "ms": -467796286878.02826 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-03-05", "window": { "start": { "local": "1955-03-05T18:04:50+03:00", "utc": "1955-03-05T15:04:50Z", "ms": -467888109859.39996 }, "end": { "local": "1955-03-05T19:44:35+03:00", "utc": "1955-03-05T16:44:35Z", "ms": -467882125242.9072 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "1955-03-06", "window": { "start": { "local": "1955-03-06T18:05:45+03:00", "utc": "1955-03-06T15:05:45Z", "ms": -467801654621.56366 }, "end": { "local": "1955-03-06T19:45:12+03:00", "utc": "1955-03-06T16:45:12Z", "ms": -467795688415.74097 } }, "covered_min": 89, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:33 on Sat 5 Mar to 19:35 on Sun 6 Mar.", "fact": "1955-03-05T17:33:30Z → 1955-03-06T16:35:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:45 on the 5th, 18:06–19:45 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 5th and 89 of 99 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 598 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mosul, 1955: Sunday 6 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": "1955-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-06", "confidence": "boundary" } ], "quote": "In Mosul, Śukla Pradoṣa Vrata 1955 falls on Sunday 6 March. Trayodaśī runs from 20:33 on Sat 5 Mar to 19:35 on Sun 6 Mar and covers 89 of 99 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-03-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2018, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-03-07T18:56:20+03:00", "utc": "1955-03-07T15:56:20Z", "ms": -467712220320.55963 }, "end": { "local": "1955-03-08T18:41:13+03:00", "utc": "1955-03-08T15:41:13Z", "ms": -467626726812.2076 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1955-03-07T18:56:20+03:00", "utc": "1955-03-07T15:56:20Z", "ms": -467712220320.55963 }, "end": { "local": "1955-03-08T18:41:13+03:00", "utc": "1955-03-08T15:41:13Z", "ms": -467626726812.2076 } }, "kaala": "sayahna", "days": [ { "local_date": "1955-03-07", "window": { "start": { "local": "1955-03-07T15:47:39+03:00", "utc": "1955-03-07T12:47:39Z", "ms": -467723541364.6651 }, "end": { "local": "1955-03-07T18:06:40+03:00", "utc": "1955-03-07T15:06:40Z", "ms": -467715199686.358 } }, "covered_min": 0, "window_min": 139, "qualifies": false }, { "local_date": "1955-03-08", "window": { "start": { "local": "1955-03-08T15:48:06+03:00", "utc": "1955-03-08T12:48:06Z", "ms": -467637114324.1149 }, "end": { "local": "1955-03-08T18:07:35+03:00", "utc": "1955-03-08T15:07:35Z", "ms": -467628745040.60565 } }, "covered_min": 139, "window_min": 139, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:56 on Mon 7 Mar to 18:41 on Tue 8 Mar.", "fact": "1955-03-07T15:56:20Z → 1955-03-08T15:41:13Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:48–18:07 on the 7th, 15:48–18:08 on the 8th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 139 minutes on the 7th and 139 of 139 on the 8th.", "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 2018 s" }, { "step": "ruling", "text": "Holikā Dahana, Mosul, 1955: Tuesday 8 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": "1955-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-08", "confidence": "determinate" } ], "quote": "In Mosul, Holikā Dahana 1955 falls on Tuesday 8 March. Pūrṇimā runs from 18:56 on Mon 7 Mar to 18:41 on Tue 8 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2018, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-03-07T18:56:20+03:00", "utc": "1955-03-07T15:56:20Z", "ms": -467712220320.55963 }, "end": { "local": "1955-03-08T18:41:13+03:00", "utc": "1955-03-08T15:41:13Z", "ms": -467626726812.2076 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1955-03-07T18:56:20+03:00", "utc": "1955-03-07T15:56:20Z", "ms": -467712220320.55963 }, "end": { "local": "1955-03-08T18:41:13+03:00", "utc": "1955-03-08T15:41:13Z", "ms": -467626726812.2076 } }, "kaala": "sayahna", "days": [ { "local_date": "1955-03-07", "window": { "start": { "local": "1955-03-07T15:47:39+03:00", "utc": "1955-03-07T12:47:39Z", "ms": -467723541364.6651 }, "end": { "local": "1955-03-07T18:06:40+03:00", "utc": "1955-03-07T15:06:40Z", "ms": -467715199686.358 } }, "covered_min": 0, "window_min": 139, "qualifies": false }, { "local_date": "1955-03-08", "window": { "start": { "local": "1955-03-08T15:48:06+03:00", "utc": "1955-03-08T12:48:06Z", "ms": -467637114324.1149 }, "end": { "local": "1955-03-08T18:07:35+03:00", "utc": "1955-03-08T15:07:35Z", "ms": -467628745040.60565 } }, "covered_min": 139, "window_min": 139, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1955-03-08", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:56 on Mon 7 Mar to 18:41 on Tue 8 Mar.", "fact": "1955-03-07T15:56:20Z → 1955-03-08T15:41:13Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:48–18:07 on the 7th, 15:48–18:08 on the 8th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 139 minutes on the 7th and 139 of 139 on the 8th.", "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 2018 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Tuesday 8 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Mosul, 1955: Wednesday 9 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": "1955-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-09", "confidence": "determinate" } ], "quote": "In Mosul, Holī 1955 falls on Wednesday 9 March. It is kept the day after Holikā Dahana, which falls on Tuesday 8 March. Pūrṇimā runs from 18:56 on Mon 7 Mar to 18:41 on Tue 8 Mar and covers all of sāyāhna on the 8th.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41576, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1955-03-08T18:41:13+03:00", "utc": "1955-03-08T15:41:13Z", "ms": -467626726812.2076 }, "end": { "local": "1955-03-09T18:54:25+03:00", "utc": "1955-03-09T15:54:25Z", "ms": -467539535227.07 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-03-08T18:41:13+03:00", "utc": "1955-03-08T15:41:13Z", "ms": -467626726812.2076 }, "end": { "local": "1955-03-09T18:54:25+03:00", "utc": "1955-03-09T15:54:25Z", "ms": -467539535227.07 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-03-09", "window": { "start": { "local": "1955-03-09T06:28:45+03:00", "utc": "1955-03-09T03:28:45Z", "ms": -467584275343.4398 }, "end": { "local": "1955-03-09T06:28:45+03:00", "utc": "1955-03-09T03:28:45Z", "ms": -467584275343.4398 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-03-10", "window": { "start": { "local": "1955-03-10T06:27:20+03:00", "utc": "1955-03-10T03:27:20Z", "ms": -467497959700.69824 }, "end": { "local": "1955-03-10T06:27:20+03:00", "utc": "1955-03-10T03:27:20Z", "ms": -467497959700.69824 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:41 on Tue 8 Mar to 18:54 on Wed 9 Mar.", "fact": "1955-03-08T15:41:13Z → 1955-03-09T15:54:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:29 on the 9th and 06:27 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 41576 s" }, { "step": "ruling", "text": "Vasantotsava, Mosul, 1955: Wednesday 9 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": "1955-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-09", "confidence": "determinate" } ], "quote": "In Mosul, Vasantotsava 1955 falls on Wednesday 9 March. Pratipadā runs from 18:41 on Tue 8 Mar to 18:54 on Wed 9 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/sankashta-chaturthi?on=1955-03-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-11", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 699, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-03-11T20:58:41+03:00", "utc": "1955-03-11T17:58:41Z", "ms": -467359278845.2653 }, "end": { "local": "1955-03-12T22:50:10+03:00", "utc": "1955-03-12T19:50:10Z", "ms": -467266190059.8965 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-03-11T20:58:41+03:00", "utc": "1955-03-11T17:58:41Z", "ms": -467359278845.2653 }, "end": { "local": "1955-03-12T22:50:10+03:00", "utc": "1955-03-12T19:50:10Z", "ms": -467266190059.8965 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-03-11", "window": { "start": { "local": "1955-03-11T21:10:20+03:00", "utc": "1955-03-11T18:10:20Z", "ms": -467358579996.3568 }, "end": { "local": "1955-03-11T21:10:20+03:00", "utc": "1955-03-11T18:10:20Z", "ms": -467358579996.3568 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-03-12", "window": { "start": { "local": "1955-03-12T22:08:58+03:00", "utc": "1955-03-12T19:08:58Z", "ms": -467268662091.72723 }, "end": { "local": "1955-03-12T22:08:58+03:00", "utc": "1955-03-12T19:08:58Z", "ms": -467268662091.72723 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:59 on Fri 11 Mar to 22:50 on Sat 12 Mar.", "fact": "1955-03-11T17:58:41Z → 1955-03-12T19:50:10Z" }, { "step": "kaala", "text": "Moonrise is at 21:10 on the 11th and 22:09 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 11th and is on the 12th.", "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 699 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mosul, 1955: Friday 11 March.", "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": "1955-03-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-11", "confidence": "boundary" } ], "quote": "In Mosul, Saṅkaṣṭa Caturthī 1955 falls on Friday 11 March. Caturthī runs from 20:59 on Fri 11 Mar to 22:50 on Sat 12 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/sankashta-chaturthi?on=1955-03-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11219, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1955-03-16T06:21:08+03:00", "utc": "1955-03-16T03:21:08Z", "ms": -466979931959.9638 }, "end": { "local": "1955-03-17T08:45:29+03:00", "utc": "1955-03-17T05:45:29Z", "ms": -466884871051.0156 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-03-16T06:21:08+03:00", "utc": "1955-03-16T03:21:08Z", "ms": -466979931959.9638 }, "end": { "local": "1955-03-17T08:45:29+03:00", "utc": "1955-03-17T05:45:29Z", "ms": -466884871051.0156 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-03-16", "window": { "start": { "local": "1955-03-16T11:52:45+03:00", "utc": "1955-03-16T08:52:45Z", "ms": -466960035317.24133 }, "end": { "local": "1955-03-16T12:40:45+03:00", "utc": "1955-03-16T09:40:45Z", "ms": -466957155317.24133 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-03-17", "window": { "start": { "local": "1955-03-17T11:52:28+03:00", "utc": "1955-03-17T08:52:28Z", "ms": -466873652382.60974 }, "end": { "local": "1955-03-17T12:40:28+03:00", "utc": "1955-03-17T09:40:28Z", "ms": -466870772382.60974 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:21 on Wed 16 Mar to 08:45 on Thu 17 Mar.", "fact": "1955-03-16T03:21:08Z → 1955-03-17T05:45:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 16th, 11:52–12:40 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11219 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Mosul, 1955: Wednesday 16 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": "1955-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-16", "confidence": "determinate" } ], "quote": "In Mosul, Śītalāṣṭamī 1955 falls on Wednesday 16 March. Aṣṭamī runs from 06:21 on Wed 16 Mar to 08:45 on Thu 17 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-03-20", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20523, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-03-19T11:56:28+03:00", "utc": "1955-03-19T08:56:28Z", "ms": -466700611854.637 }, "end": { "local": "1955-03-20T12:23:58+03:00", "utc": "1955-03-20T09:23:58Z", "ms": -466612561781.09753 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-03-19T11:56:28+03:00", "utc": "1955-03-19T08:56:28Z", "ms": -466700611854.637 }, "end": { "local": "1955-03-20T12:23:58+03:00", "utc": "1955-03-20T09:23:58Z", "ms": -466612561781.09753 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-03-19", "window": { "start": { "local": "1955-03-19T06:14:25+03:00", "utc": "1955-03-19T03:14:25Z", "ms": -466721134821.61896 }, "end": { "local": "1955-03-19T06:14:25+03:00", "utc": "1955-03-19T03:14:25Z", "ms": -466721134821.61896 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-03-20", "window": { "start": { "local": "1955-03-20T06:12:58+03:00", "utc": "1955-03-20T03:12:58Z", "ms": -466634822137.56537 }, "end": { "local": "1955-03-20T06:12:58+03:00", "utc": "1955-03-20T03:12:58Z", "ms": -466634822137.56537 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:56 on Sat 19 Mar to 12:24 on Sun 20 Mar.", "fact": "1955-03-19T08:56:28Z → 1955-03-20T09:23:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:14 on the 19th and 06:13 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 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20523 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Mosul, 1955: Sunday 20 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": "1955-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-20", "confidence": "determinate" } ], "quote": "In Mosul, Pāpamocanī Ekādaśī 1955 falls on Sunday 20 March. Ekādaśī runs from 11:56 on Sat 19 Mar to 12:24 on Sun 20 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-03-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-03-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22630, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-03-21T12:01:55+03:00", "utc": "1955-03-21T09:01:55Z", "ms": -466527485406.19714 }, "end": { "local": "1955-03-22T10:53:05+03:00", "utc": "1955-03-22T07:53:05Z", "ms": -466445215346.9267 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-03-21T12:01:55+03:00", "utc": "1955-03-21T09:01:55Z", "ms": -466527485406.19714 }, "end": { "local": "1955-03-22T10:53:05+03:00", "utc": "1955-03-22T07:53:05Z", "ms": -466445215346.9267 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-03-21", "window": { "start": { "local": "1955-03-21T18:19:05+03:00", "utc": "1955-03-21T15:19:05Z", "ms": -466504855144.60864 }, "end": { "local": "1955-03-21T19:53:53+03:00", "utc": "1955-03-21T16:53:53Z", "ms": -466499167408.3324 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "1955-03-22", "window": { "start": { "local": "1955-03-22T18:19:57+03:00", "utc": "1955-03-22T15:19:57Z", "ms": -466418403260.5492 }, "end": { "local": "1955-03-22T19:54:26+03:00", "utc": "1955-03-22T16:54:26Z", "ms": -466412734123.82684 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:02 on Mon 21 Mar to 10:53 on Tue 22 Mar.", "fact": "1955-03-21T09:01:55Z → 1955-03-22T07:53:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:54 on the 21st, 18:20–19:54 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 95 of 95 minutes on the 21st and 0 of 94 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 22630 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 1955: Monday 21 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": "1955-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-21", "confidence": "determinate" } ], "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 1955 falls on Monday 21 March. Trayodaśī runs from 12:02 on Mon 21 Mar to 10:53 on Tue 22 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-03-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/shivaratri?on=1955-03-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30329, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-03-22T10:53:05+03:00", "utc": "1955-03-22T07:53:05Z", "ms": -466445215346.9267 }, "end": { "local": "1955-03-23T09:03:45+03:00", "utc": "1955-03-23T06:03:45Z", "ms": -466365374817.96857 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-03-22T10:53:05+03:00", "utc": "1955-03-22T07:53:05Z", "ms": -466445215346.9267 }, "end": { "local": "1955-03-23T09:03:45+03:00", "utc": "1955-03-23T06:03:45Z", "ms": -466365374817.96857 } }, "kaala": "nishita", "days": [ { "local_date": "1955-03-21", "window": { "start": { "local": "1955-03-21T23:50:34+03:00", "utc": "1955-03-21T20:50:34Z", "ms": -466484966133.57275 }, "end": { "local": "1955-03-22T00:38:34+03:00", "utc": "1955-03-21T21:38:34Z", "ms": -466482086133.57275 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-03-22", "window": { "start": { "local": "1955-03-22T23:50:16+03:00", "utc": "1955-03-22T20:50:16Z", "ms": -466398583997.84033 }, "end": { "local": "1955-03-23T00:38:16+03:00", "utc": "1955-03-22T21:38:16Z", "ms": -466395703997.84033 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:53 on Tue 22 Mar to 09:04 on Wed 23 Mar.", "fact": "1955-03-22T07:53:05Z → 1955-03-23T06:03:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:51–00:39 on the 21st, 23:50–00:38 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 30329 s" }, { "step": "ruling", "text": "Śivarātri, Mosul, 1955: Tuesday 22 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": "1955-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-22", "confidence": "determinate" } ], "quote": "In Mosul, Śivarātri 1955 falls on Tuesday 22 March. Caturdaśī runs from 10:53 on Tue 22 Mar to 09:04 on Wed 23 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/shivaratri?on=1955-03-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18477, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1955-03-24T06:42:27+03:00", "utc": "1955-03-24T03:42:27Z", "ms": -466287453056.4749 }, "end": { "local": "1955-03-25T03:58:48+03:00", "utc": "1955-03-25T00:58:48Z", "ms": -466210871903.9958 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-03-24T06:42:27+03:00", "utc": "1955-03-24T03:42:27Z", "ms": -466287453056.4749 }, "end": { "local": "1955-03-25T03:58:48+03:00", "utc": "1955-03-25T00:58:48Z", "ms": -466210871903.9958 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-03-24", "window": { "start": { "local": "1955-03-24T11:50:24+03:00", "utc": "1955-03-24T08:50:24Z", "ms": -466268976126.2312 }, "end": { "local": "1955-03-24T12:38:24+03:00", "utc": "1955-03-24T09:38:24Z", "ms": -466266096126.2312 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-03-25", "window": { "start": { "local": "1955-03-25T11:50:06+03:00", "utc": "1955-03-25T08:50:06Z", "ms": -466182594199.73987 }, "end": { "local": "1955-03-25T12:38:06+03:00", "utc": "1955-03-25T09:38:06Z", "ms": -466179714199.73987 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:42 on Thu 24 Mar to 03:59 on Fri 25 Mar.", "fact": "1955-03-24T03:42:27Z → 1955-03-25T00:58:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 24th, 11:50–12:38 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18477 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Mosul, 1955: Thursday 24 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": "1955-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-24", "confidence": "determinate" } ], "quote": "In Mosul, Navarātrārambha (Caitra) (Chaitra Navratri) 1955 falls on Thursday 24 March. Pratipadā runs from 06:42 on Thu 24 Mar to 03:59 on Fri 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33943, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1955-03-26T01:02:41+03:00", "utc": "1955-03-25T22:02:41Z", "ms": -466135039025.40607 }, "end": { "local": "1955-03-26T22:03:31+03:00", "utc": "1955-03-26T19:03:31Z", "ms": -466059389100.73804 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-03-26T01:02:41+03:00", "utc": "1955-03-25T22:02:41Z", "ms": -466135039025.40607 }, "end": { "local": "1955-03-26T22:03:31+03:00", "utc": "1955-03-26T19:03:31Z", "ms": -466059389100.73804 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-03-25", "window": { "start": { "local": "1955-03-25T11:50:06+03:00", "utc": "1955-03-25T08:50:06Z", "ms": -466182594199.73987 }, "end": { "local": "1955-03-25T12:38:06+03:00", "utc": "1955-03-25T09:38:06Z", "ms": -466179714199.73987 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-03-26", "window": { "start": { "local": "1955-03-26T11:49:48+03:00", "utc": "1955-03-26T08:49:48Z", "ms": -466096212323.2484 }, "end": { "local": "1955-03-26T12:37:48+03:00", "utc": "1955-03-26T09:37:48Z", "ms": -466093332323.2484 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:03 on Sat 26 Mar to 22:04 on Sat 26 Mar.", "fact": "1955-03-25T22:02:41Z → 1955-03-26T19:03:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 25th, 11:50–12:38 on the 26th.", "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 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33943 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Mosul, 1955: Saturday 26 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": "1955-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-26", "confidence": "determinate" } ], "quote": "In Mosul, Gaurī Tṛtīyā (Gangaur) 1955 falls on Saturday 26 March. Tṛtīyā runs from 01:03 on Sat 26 Mar to 22:04 on Sat 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33943, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1955-03-26T01:02:41+03:00", "utc": "1955-03-25T22:02:41Z", "ms": -466135039025.40607 }, "end": { "local": "1955-03-26T22:03:31+03:00", "utc": "1955-03-26T19:03:31Z", "ms": -466059389100.73804 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-03-26T01:02:41+03:00", "utc": "1955-03-25T22:02:41Z", "ms": -466135039025.40607 }, "end": { "local": "1955-03-26T22:03:31+03:00", "utc": "1955-03-26T19:03:31Z", "ms": -466059389100.73804 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-03-25", "window": { "start": { "local": "1955-03-25T11:50:06+03:00", "utc": "1955-03-25T08:50:06Z", "ms": -466182594199.73987 }, "end": { "local": "1955-03-25T12:38:06+03:00", "utc": "1955-03-25T09:38:06Z", "ms": -466179714199.73987 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-03-26", "window": { "start": { "local": "1955-03-26T11:49:48+03:00", "utc": "1955-03-26T08:49:48Z", "ms": -466096212323.2484 }, "end": { "local": "1955-03-26T12:37:48+03:00", "utc": "1955-03-26T09:37:48Z", "ms": -466093332323.2484 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:03 on Sat 26 Mar to 22:04 on Sat 26 Mar.", "fact": "1955-03-25T22:02:41Z → 1955-03-26T19:03:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 25th, 11:50–12:38 on the 26th.", "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 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33943 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Mosul, 1955: Saturday 26 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": "1955-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-26", "confidence": "determinate" } ], "quote": "In Mosul, Saubhāgya Śayana Vrata 1955 falls on Saturday 26 March. Tṛtīyā runs from 01:03 on Sat 26 Mar to 22:04 on Sat 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/vinayaka-chaturthi?on=1955-03-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23535, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-03-26T22:03:31+03:00", "utc": "1955-03-26T19:03:31Z", "ms": -466059389100.73804 }, "end": { "local": "1955-03-27T19:09:44+03:00", "utc": "1955-03-27T16:09:44Z", "ms": -465983415972.2338 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-03-26T22:03:31+03:00", "utc": "1955-03-26T19:03:31Z", "ms": -466059389100.73804 }, "end": { "local": "1955-03-27T19:09:44+03:00", "utc": "1955-03-27T16:09:44Z", "ms": -465983415972.2338 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-03-26", "window": { "start": { "local": "1955-03-26T11:49:48+03:00", "utc": "1955-03-26T08:49:48Z", "ms": -466096212323.2484 }, "end": { "local": "1955-03-26T12:37:48+03:00", "utc": "1955-03-26T09:37:48Z", "ms": -466093332323.2484 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-03-27", "window": { "start": { "local": "1955-03-27T11:49:30+03:00", "utc": "1955-03-27T08:49:30Z", "ms": -466009830481.2145 }, "end": { "local": "1955-03-27T12:37:30+03:00", "utc": "1955-03-27T09:37:30Z", "ms": -466006950481.2145 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:04 on Sat 26 Mar to 19:10 on Sun 27 Mar.", "fact": "1955-03-26T19:03:31Z → 1955-03-27T16:09:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 26th, 11:49–12:37 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23535 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mosul, 1955: Sunday 27 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": "1955-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-27", "confidence": "determinate" } ], "quote": "In Mosul, Vināyaka Caturthī 1955 falls on Sunday 27 March. Caturthī runs from 22:04 on Sat 26 Mar to 19:10 on Sun 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/vinayaka-chaturthi?on=1955-03-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13871, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1955-03-27T19:09:44+03:00", "utc": "1955-03-27T16:09:44Z", "ms": -465983415972.2338 }, "end": { "local": "1955-03-28T16:28:22+03:00", "utc": "1955-03-28T13:28:22Z", "ms": -465906697658.45215 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-03-27T19:09:44+03:00", "utc": "1955-03-27T16:09:44Z", "ms": -465983415972.2338 }, "end": { "local": "1955-03-28T16:28:22+03:00", "utc": "1955-03-28T13:28:22Z", "ms": -465906697658.45215 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-03-27", "window": { "start": { "local": "1955-03-27T11:49:30+03:00", "utc": "1955-03-27T08:49:30Z", "ms": -466009830481.2145 }, "end": { "local": "1955-03-27T12:37:30+03:00", "utc": "1955-03-27T09:37:30Z", "ms": -466006950481.2145 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-03-28", "window": { "start": { "local": "1955-03-28T11:49:11+03:00", "utc": "1955-03-28T08:49:11Z", "ms": -465923448657.64087 }, "end": { "local": "1955-03-28T12:37:11+03:00", "utc": "1955-03-28T09:37:11Z", "ms": -465920568657.64087 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:10 on Sun 27 Mar to 16:28 on Mon 28 Mar.", "fact": "1955-03-27T16:09:44Z → 1955-03-28T13:28:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 27th, 11:49–12:37 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13871 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Mosul, 1955: Monday 28 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": "1955-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-28", "confidence": "determinate" } ], "quote": "In Mosul, Lakṣmī Pañcamī 1955 falls on Monday 28 March. Pañcamī runs from 19:10 on Sun 27 Mar to 16:28 on Mon 28 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 832, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1955-03-30T12:02:27+03:00", "utc": "1955-03-30T09:02:27Z", "ms": -465749853320.48 }, "end": { "local": "1955-03-31T10:23:12+03:00", "utc": "1955-03-31T07:23:12Z", "ms": -465669408043.4655 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-03-30T12:02:27+03:00", "utc": "1955-03-30T09:02:27Z", "ms": -465749853320.48 }, "end": { "local": "1955-03-31T10:23:12+03:00", "utc": "1955-03-31T07:23:12Z", "ms": -465669408043.4655 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-03-30", "window": { "start": { "local": "1955-03-30T11:48:35+03:00", "utc": "1955-03-30T08:48:35Z", "ms": -465750684997.7305 }, "end": { "local": "1955-03-30T12:36:35+03:00", "utc": "1955-03-30T09:36:35Z", "ms": -465747804997.7305 } }, "covered_min": 34, "window_min": 48, "qualifies": true }, { "local_date": "1955-03-31", "window": { "start": { "local": "1955-03-31T11:48:17+03:00", "utc": "1955-03-31T08:48:17Z", "ms": -465664303124.80725 }, "end": { "local": "1955-03-31T12:36:17+03:00", "utc": "1955-03-31T09:36:17Z", "ms": -465661423124.80725 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:02 on Wed 30 Mar to 10:23 on Thu 31 Mar.", "fact": "1955-03-30T09:02:27Z → 1955-03-31T07:23:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 30th, 11:48–12:36 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 34 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 832 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Mosul, 1955: Wednesday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-30", "confidence": "determinate" } ], "quote": "In Mosul, Bhavānī Utpatti 1955 falls on Wednesday 30 March. Aṣṭamī runs from 12:02 on Wed 30 Mar to 10:23 on Thu 31 Mar and covers 34 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5105, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1955-03-31T10:23:12+03:00", "utc": "1955-03-31T07:23:12Z", "ms": -465669408043.4655 }, "end": { "local": "1955-04-01T09:07:28+03:00", "utc": "1955-04-01T06:07:28Z", "ms": -465587552434.5457 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-03-31T10:23:12+03:00", "utc": "1955-03-31T07:23:12Z", "ms": -465669408043.4655 }, "end": { "local": "1955-04-01T09:07:28+03:00", "utc": "1955-04-01T06:07:28Z", "ms": -465587552434.5457 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-03-31", "window": { "start": { "local": "1955-03-31T11:48:17+03:00", "utc": "1955-03-31T08:48:17Z", "ms": -465664303124.80725 }, "end": { "local": "1955-03-31T12:36:17+03:00", "utc": "1955-03-31T09:36:17Z", "ms": -465661423124.80725 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-04-01", "window": { "start": { "local": "1955-04-01T11:47:59+03:00", "utc": "1955-04-01T08:47:59Z", "ms": -465577921197.2078 }, "end": { "local": "1955-04-01T12:35:59+03:00", "utc": "1955-04-01T09:35:59Z", "ms": -465575041197.2078 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 10:23 on Thu 31 Mar to 09:07 on Fri 1 Apr.", "fact": "1955-03-31T07:23:12Z → 1955-04-01T06:07:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 31st, 11:48–12:36 on the 1st.", "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 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5105 s" }, { "step": "ruling", "text": "Rāma Navamī, Mosul, 1955: Thursday 31 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-03-31", "confidence": "determinate" } ], "quote": "In Mosul, Rāma Navamī 1955 falls on Thursday 31 March. Navamī runs from 10:23 on Thu 31 Mar to 09:07 on Fri 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-04-03", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6729, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-04-02T08:14:50+03:00", "utc": "1955-04-02T05:14:50Z", "ms": -465504310315.8207 }, "end": { "local": "1955-04-03T07:44:43+03:00", "utc": "1955-04-03T04:44:43Z", "ms": -465419716747.174 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-04-02T08:14:50+03:00", "utc": "1955-04-02T05:14:50Z", "ms": -465504310315.8207 }, "end": { "local": "1955-04-03T07:44:43+03:00", "utc": "1955-04-03T04:44:43Z", "ms": -465419716747.174 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-04-02", "window": { "start": { "local": "1955-04-02T05:54:01+03:00", "utc": "1955-04-02T02:54:01Z", "ms": -465512758925.2807 }, "end": { "local": "1955-04-02T05:54:01+03:00", "utc": "1955-04-02T02:54:01Z", "ms": -465512758925.2807 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-04-03", "window": { "start": { "local": "1955-04-03T05:52:34+03:00", "utc": "1955-04-03T02:52:34Z", "ms": -465426445544.8666 }, "end": { "local": "1955-04-03T05:52:34+03:00", "utc": "1955-04-03T02:52:34Z", "ms": -465426445544.8666 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:15 on Sat 2 Apr to 07:45 on Sun 3 Apr.", "fact": "1955-04-02T05:14:50Z → 1955-04-03T04:44:43Z" }, { "step": "kaala", "text": "Sunrise is at 05:54 on the 2nd and 05:53 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6729 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Mosul, 1955: Sunday 3 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": "1955-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-03", "confidence": "determinate" } ], "quote": "In Mosul, Kāmadā Ekādaśī 1955 falls on Sunday 3 April. Ekādaśī runs from 08:15 on Sat 2 Apr to 07:45 on Sun 3 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-04-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14094, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-04-04T07:36:55+03:00", "utc": "1955-04-04T04:36:55Z", "ms": -465333784765.91486 }, "end": { "local": "1955-04-05T07:51:53+03:00", "utc": "1955-04-05T04:51:53Z", "ms": -465246486586.18274 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-04-04T07:36:55+03:00", "utc": "1955-04-04T04:36:55Z", "ms": -465333784765.91486 }, "end": { "local": "1955-04-05T07:51:53+03:00", "utc": "1955-04-05T04:51:53Z", "ms": -465246486586.18274 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-04-04", "window": { "start": { "local": "1955-04-04T11:47:05+03:00", "utc": "1955-04-04T08:47:05Z", "ms": -465318774877.9484 }, "end": { "local": "1955-04-04T12:35:05+03:00", "utc": "1955-04-04T09:35:05Z", "ms": -465315894877.9484 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-04-05", "window": { "start": { "local": "1955-04-05T11:46:47+03:00", "utc": "1955-04-05T08:46:47Z", "ms": -465232392520.99084 }, "end": { "local": "1955-04-05T12:34:47+03:00", "utc": "1955-04-05T09:34:47Z", "ms": -465229512520.99084 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:37 on Mon 4 Apr to 07:52 on Tue 5 Apr.", "fact": "1955-04-04T04:36:55Z → 1955-04-05T04:51:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 4th, 11:47–12:35 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14094 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Mosul, 1955: Monday 4 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": "1955-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-04", "confidence": "determinate" } ], "quote": "In Mosul, Anaṅga Trayodaśī 1955 falls on Monday 4 April. Trayodaśī runs from 07:37 on Mon 4 Apr to 07:52 on Tue 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/pradosha-vrata?on=1955-04-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38400, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-04-04T07:36:55+03:00", "utc": "1955-04-04T04:36:55Z", "ms": -465333784765.91486 }, "end": { "local": "1955-04-05T07:51:53+03:00", "utc": "1955-04-05T04:51:53Z", "ms": -465246486586.18274 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-04-04T07:36:55+03:00", "utc": "1955-04-04T04:36:55Z", "ms": -465333784765.91486 }, "end": { "local": "1955-04-05T07:51:53+03:00", "utc": "1955-04-05T04:51:53Z", "ms": -465246486586.18274 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-04-04", "window": { "start": { "local": "1955-04-04T18:31:02+03:00", "utc": "1955-04-04T15:31:02Z", "ms": -465294537854.59125 }, "end": { "local": "1955-04-04T20:01:31+03:00", "utc": "1955-04-04T17:01:31Z", "ms": -465289108535.8141 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1955-04-05", "window": { "start": { "local": "1955-04-05T18:31:53+03:00", "utc": "1955-04-05T15:31:53Z", "ms": -465208087078.2191 }, "end": { "local": "1955-04-05T20:02:04+03:00", "utc": "1955-04-05T17:02:04Z", "ms": -465202675961.2827 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:37 on Mon 4 Apr to 07:52 on Tue 5 Apr.", "fact": "1955-04-04T04:36:55Z → 1955-04-05T04:51:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:02 on the 4th, 18:32–20:02 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 4th and 0 of 90 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38400 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mosul, 1955: Monday 4 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": "1955-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-04", "confidence": "determinate" } ], "quote": "In Mosul, Śukla Pradoṣa Vrata 1955 falls on Monday 4 April. Trayodaśī runs from 07:37 on Mon 4 Apr to 07:52 on Tue 5 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11746, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-04-05T07:51:53+03:00", "utc": "1955-04-05T04:51:53Z", "ms": -465246486586.18274 }, "end": { "local": "1955-04-06T08:30:44+03:00", "utc": "1955-04-06T05:30:44Z", "ms": -465157755522.3712 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-04-05T07:51:53+03:00", "utc": "1955-04-05T04:51:53Z", "ms": -465246486586.18274 }, "end": { "local": "1955-04-06T08:30:44+03:00", "utc": "1955-04-06T05:30:44Z", "ms": -465157755522.3712 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-04-05", "window": { "start": { "local": "1955-04-05T11:46:47+03:00", "utc": "1955-04-05T08:46:47Z", "ms": -465232392520.99084 }, "end": { "local": "1955-04-05T12:34:47+03:00", "utc": "1955-04-05T09:34:47Z", "ms": -465229512520.99084 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-04-06", "window": { "start": { "local": "1955-04-06T11:46:30+03:00", "utc": "1955-04-06T08:46:30Z", "ms": -465146010002.4612 }, "end": { "local": "1955-04-06T12:34:30+03:00", "utc": "1955-04-06T09:34:30Z", "ms": -465143130002.4612 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:52 on Tue 5 Apr to 08:31 on Wed 6 Apr.", "fact": "1955-04-05T04:51:53Z → 1955-04-06T05:30:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 5th, 11:46–12:34 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11746 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Mosul, 1955: Tuesday 5 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": "1955-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-05", "confidence": "determinate" } ], "quote": "In Mosul, Viṣṇudamanaka Caturdaśī 1955 falls on Tuesday 5 April. Caturdaśī runs from 07:52 on Tue 5 Apr to 08:31 on Wed 6 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7883, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-04-06T08:30:44+03:00", "utc": "1955-04-06T05:30:44Z", "ms": -465157755522.3712 }, "end": { "local": "1955-04-07T09:34:49+03:00", "utc": "1955-04-07T06:34:49Z", "ms": -465067510581.4811 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1955-04-06T08:30:44+03:00", "utc": "1955-04-06T05:30:44Z", "ms": -465157755522.3712 }, "end": { "local": "1955-04-07T09:34:49+03:00", "utc": "1955-04-07T06:34:49Z", "ms": -465067510581.4811 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-04-06", "window": { "start": { "local": "1955-04-06T11:46:30+03:00", "utc": "1955-04-06T08:46:30Z", "ms": -465146010002.4612 }, "end": { "local": "1955-04-06T12:34:30+03:00", "utc": "1955-04-06T09:34:30Z", "ms": -465143130002.4612 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-04-07", "window": { "start": { "local": "1955-04-07T11:46:13+03:00", "utc": "1955-04-07T08:46:13Z", "ms": -465059627300.6931 }, "end": { "local": "1955-04-07T12:34:13+03:00", "utc": "1955-04-07T09:34:13Z", "ms": -465056747300.6931 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:31 on Wed 6 Apr to 09:35 on Thu 7 Apr.", "fact": "1955-04-06T05:30:44Z → 1955-04-07T06:34:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 6th, 11:46–12:34 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 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: paraviddha → only-day · margin 7883 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Mosul, 1955: Wednesday 6 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": "1955-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-06", "confidence": "determinate" } ], "quote": "In Mosul, Caitrī Pūrṇimā 1955 falls on Wednesday 6 April. Pūrṇimā runs from 08:31 on Wed 6 Apr to 09:35 on Thu 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/sankashta-chaturthi?on=1955-04-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17687, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-04-10T15:18:12+03:00", "utc": "1955-04-10T12:18:12Z", "ms": -464787707709.62915 }, "end": { "local": "1955-04-11T17:51:25+03:00", "utc": "1955-04-11T14:51:25Z", "ms": -464692114880.27045 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-04-10T15:18:12+03:00", "utc": "1955-04-10T12:18:12Z", "ms": -464787707709.62915 }, "end": { "local": "1955-04-11T17:51:25+03:00", "utc": "1955-04-11T14:51:25Z", "ms": -464692114880.27045 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-04-10", "window": { "start": { "local": "1955-04-10T21:52:36+03:00", "utc": "1955-04-10T18:52:36Z", "ms": -464764044452.03613 }, "end": { "local": "1955-04-10T21:52:36+03:00", "utc": "1955-04-10T18:52:36Z", "ms": -464764044452.03613 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-04-11", "window": { "start": { "local": "1955-04-11T22:46:12+03:00", "utc": "1955-04-11T19:46:12Z", "ms": -464674428351.129 }, "end": { "local": "1955-04-11T22:46:12+03:00", "utc": "1955-04-11T19:46:12Z", "ms": -464674428351.129 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:18 on Sun 10 Apr to 17:51 on Mon 11 Apr.", "fact": "1955-04-10T12:18:12Z → 1955-04-11T14:51:25Z" }, { "step": "kaala", "text": "Moonrise is at 21:53 on the 10th and 22:46 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17687 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mosul, 1955: Sunday 10 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": "1955-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-10", "confidence": "determinate" } ], "quote": "In Mosul, Saṅkaṣṭa Caturthī 1955 falls on Sunday 10 April. Caturthī runs from 15:18 on Sun 10 Apr to 17:51 on Mon 11 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/sankashta-chaturthi?on=1955-04-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13019, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1955-04-14T02:00:07+03:00", "utc": "1955-04-13T23:00:07Z", "ms": -464489993127.5197 }, "end": { "local": "1955-05-14T22:56:52+03:00", "utc": "1955-05-14T19:56:52Z", "ms": -461822588148.84985 } }, "span": { "of": "transit", "start": { "local": "1955-04-14T02:00:07+03:00", "utc": "1955-04-13T23:00:07Z", "ms": -464489993127.5197 }, "end": { "local": "1955-04-14T02:00:07+03:00", "utc": "1955-04-13T23:00:07Z", "ms": -464489993127.5197 } }, "kaala": "day", "days": [ { "local_date": "1955-04-13", "window": { "start": { "local": "1955-04-13T05:38:28+03:00", "utc": "1955-04-13T02:38:28Z", "ms": -464563292132.59094 }, "end": { "local": "1955-04-14T05:37:06+03:00", "utc": "1955-04-14T02:37:06Z", "ms": -464476974142.3533 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1955-04-14", "window": { "start": { "local": "1955-04-14T05:37:06+03:00", "utc": "1955-04-14T02:37:06Z", "ms": -464476974142.3533 }, "end": { "local": "1955-04-15T05:35:44+03:00", "utc": "1955-04-15T02:35:44Z", "ms": -464390655545.71875 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 02:00 on Thu 14 Apr.", "fact": "1955-04-13T23:00:07Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:38 on the 13th, and from 05:37 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 13019 s" }, { "step": "ruling", "text": "Vaiśākhī, Mosul, 1955: Wednesday 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": "1955-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1955-04-14", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1955-04-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Mosul, Vaiśākhī 1955 falls on Wednesday 13 April. The Sun enters Meṣa at 02:00 on Thu 14 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-04-18", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7564, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-04-18T03:25:40+03:00", "utc": "1955-04-18T00:25:40Z", "ms": -464139259570.9002 }, "end": { "local": "1955-04-19T02:30:14+03:00", "utc": "1955-04-18T23:30:14Z", "ms": -464056185589.1987 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-04-18T03:25:40+03:00", "utc": "1955-04-18T00:25:40Z", "ms": -464139259570.9002 }, "end": { "local": "1955-04-19T02:30:14+03:00", "utc": "1955-04-18T23:30:14Z", "ms": -464056185589.1987 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-04-18", "window": { "start": { "local": "1955-04-18T05:31:44+03:00", "utc": "1955-04-18T02:31:44Z", "ms": -464131695812.0933 }, "end": { "local": "1955-04-18T05:31:44+03:00", "utc": "1955-04-18T02:31:44Z", "ms": -464131695812.0933 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-04-19", "window": { "start": { "local": "1955-04-19T05:30:26+03:00", "utc": "1955-04-19T02:30:26Z", "ms": -464045374486.7334 }, "end": { "local": "1955-04-19T05:30:26+03:00", "utc": "1955-04-19T02:30:26Z", "ms": -464045374486.7334 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:26 on Mon 18 Apr to 02:30 on Tue 19 Apr.", "fact": "1955-04-18T00:25:40Z → 1955-04-18T23:30:14Z" }, { "step": "kaala", "text": "Sunrise is at 05:32 on the 18th and 05:30 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7564 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Mosul, 1955: Monday 18 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": "1955-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-18", "confidence": "determinate" } ], "quote": "In Mosul, Varūthinī Ekādaśī 1955 falls on Monday 18 April. Ekādaśī runs from 03:26 on Mon 18 Apr to 02:30 on Tue 19 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-04-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-04-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7895, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-04-20T00:46:43+03:00", "utc": "1955-04-19T21:46:43Z", "ms": -463975997159.14594 }, "end": { "local": "1955-04-20T22:21:59+03:00", "utc": "1955-04-20T19:21:59Z", "ms": -463898280637.05927 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-04-20T00:46:43+03:00", "utc": "1955-04-19T21:46:43Z", "ms": -463975997159.14594 }, "end": { "local": "1955-04-20T22:21:59+03:00", "utc": "1955-04-20T19:21:59Z", "ms": -463898280637.05927 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-04-19", "window": { "start": { "local": "1955-04-19T18:43:48+03:00", "utc": "1955-04-19T15:43:48Z", "ms": -463997772217.0748 }, "end": { "local": "1955-04-19T20:09:50+03:00", "utc": "1955-04-19T17:09:50Z", "ms": -463992609575.63525 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "1955-04-20", "window": { "start": { "local": "1955-04-20T18:44:39+03:00", "utc": "1955-04-20T15:44:39Z", "ms": -463911320667.1901 }, "end": { "local": "1955-04-20T20:10:25+03:00", "utc": "1955-04-20T17:10:25Z", "ms": -463906175184.02637 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:47 on Wed 20 Apr to 22:22 on Wed 20 Apr.", "fact": "1955-04-19T21:46:43Z → 1955-04-20T19:21:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:10 on the 19th, 18:45–20:10 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 19th and 86 of 86 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 7895 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 1955: Wednesday 20 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": "1955-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-20", "confidence": "determinate" } ], "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 1955 falls on Wednesday 20 April. Trayodaśī runs from 00:47 on Wed 20 Apr to 22:22 on Wed 20 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/shivaratri?on=1955-04-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4816, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-04-20T22:21:59+03:00", "utc": "1955-04-20T19:21:59Z", "ms": -463898280637.05927 }, "end": { "local": "1955-04-21T19:25:05+03:00", "utc": "1955-04-21T16:25:05Z", "ms": -463822494895.3183 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-04-20T22:21:59+03:00", "utc": "1955-04-20T19:21:59Z", "ms": -463898280637.05927 }, "end": { "local": "1955-04-21T19:25:05+03:00", "utc": "1955-04-21T16:25:05Z", "ms": -463822494895.3183 } }, "kaala": "nishita", "days": [ { "local_date": "1955-04-20", "window": { "start": { "local": "1955-04-20T23:42:15+03:00", "utc": "1955-04-20T20:42:15Z", "ms": -463893465105.32605 }, "end": { "local": "1955-04-21T00:30:15+03:00", "utc": "1955-04-20T21:30:15Z", "ms": -463890585105.32605 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-04-21", "window": { "start": { "local": "1955-04-21T23:42:03+03:00", "utc": "1955-04-21T20:42:03Z", "ms": -463807077464.61926 }, "end": { "local": "1955-04-22T00:30:03+03:00", "utc": "1955-04-21T21:30:03Z", "ms": -463804197464.61926 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:22 on Wed 20 Apr to 19:25 on Thu 21 Apr.", "fact": "1955-04-20T19:21:59Z → 1955-04-21T16:25:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 20th, 23:42–00:30 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 4816 s" }, { "step": "ruling", "text": "Śivarātri, Mosul, 1955: Wednesday 20 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": "1955-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-20", "confidence": "determinate" } ], "quote": "In Mosul, Śivarātri 1955 falls on Wednesday 20 April. Caturdaśī runs from 22:22 on Wed 20 Apr to 19:25 on Thu 21 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/shivaratri?on=1955-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34090, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1955-04-24T09:04:07+03:00", "utc": "1955-04-24T06:04:07Z", "ms": -463600553229.31885 }, "end": { "local": "1955-04-25T05:40:54+03:00", "utc": "1955-04-25T02:40:54Z", "ms": -463526345706.4656 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-04-24T09:04:07+03:00", "utc": "1955-04-24T06:04:07Z", "ms": -463600553229.31885 }, "end": { "local": "1955-04-25T05:40:54+03:00", "utc": "1955-04-25T02:40:54Z", "ms": -463526345706.4656 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-04-23", "window": { "start": { "local": "1955-04-23T18:47:14+03:00", "utc": "1955-04-23T15:47:14Z", "ms": -463651965690.20776 }, "end": { "local": "1955-04-23T20:12:09+03:00", "utc": "1955-04-23T17:12:09Z", "ms": -463646871065.5347 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "1955-04-24", "window": { "start": { "local": "1955-04-24T18:48:06+03:00", "utc": "1955-04-24T15:48:06Z", "ms": -463565513954.8434 }, "end": { "local": "1955-04-24T20:12:44+03:00", "utc": "1955-04-24T17:12:44Z", "ms": -463560436062.2654 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:04 on Sun 24 Apr to 05:41 on Mon 25 Apr.", "fact": "1955-04-24T06:04:07Z → 1955-04-25T02:40:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:12 on the 23rd, 18:48–20:13 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 85 minutes on the 23rd and 85 of 85 on the 24th.", "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 34090 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Mosul, 1955: Sunday 24 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": "1955-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-24", "confidence": "determinate" } ], "quote": "In Mosul, Paraśurāma Jayantī 1955 falls on Sunday 24 April. Tṛtīyā runs from 09:04 on Sun 24 Apr to 05:41 on Mon 25 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1084, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1955-04-24T09:04:07+03:00", "utc": "1955-04-24T06:04:07Z", "ms": -463600553229.31885 }, "end": { "local": "1955-04-25T05:40:54+03:00", "utc": "1955-04-25T02:40:54Z", "ms": -463526345706.4656 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-04-24T09:04:07+03:00", "utc": "1955-04-24T06:04:07Z", "ms": -463600553229.31885 }, "end": { "local": "1955-04-25T05:40:54+03:00", "utc": "1955-04-25T02:40:54Z", "ms": -463526345706.4656 } }, "kaala": "purvahna", "days": [ { "local_date": "1955-04-24", "window": { "start": { "local": "1955-04-24T05:24:04+03:00", "utc": "1955-04-24T02:24:04Z", "ms": -463613756005.1599 }, "end": { "local": "1955-04-24T09:52:05+03:00", "utc": "1955-04-24T06:52:05Z", "ms": -463597675321.72107 } }, "covered_min": 48, "window_min": 268, "qualifies": true }, { "local_date": "1955-04-25", "window": { "start": { "local": "1955-04-25T05:22:50+03:00", "utc": "1955-04-25T02:22:50Z", "ms": -463527429760.50836 }, "end": { "local": "1955-04-25T09:51:33+03:00", "utc": "1955-04-25T06:51:33Z", "ms": -463511307240.5872 } }, "covered_min": 18, "window_min": 269, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:04 on Sun 24 Apr to 05:41 on Mon 25 Apr.", "fact": "1955-04-24T06:04:07Z → 1955-04-25T02:40:54Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:24–09:52 on the 24th, 05:23–09:52 on the 25th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 48 of 268 minutes on the 24th and 18 of 269 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both forenoons qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1084 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Mosul, 1955: Monday 25 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": "1955-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-25", "confidence": "determinate" } ], "quote": "In Mosul, Akṣaya Tṛtīyā 1955 falls on Monday 25 April. Tṛtīyā runs from 09:04 on Sun 24 Apr to 05:41 on Mon 25 Apr and covers 18 of 269 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 48 minutes; by the rule the second forenoon is taken.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/vinayaka-chaturthi?on=1955-04-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21660, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-04-25T05:40:54+03:00", "utc": "1955-04-25T02:40:54Z", "ms": -463526345706.4656 }, "end": { "local": "1955-04-26T02:34:39+03:00", "utc": "1955-04-25T23:34:39Z", "ms": -463451121281.13403 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-04-25T05:40:54+03:00", "utc": "1955-04-25T02:40:54Z", "ms": -463526345706.4656 }, "end": { "local": "1955-04-26T02:34:39+03:00", "utc": "1955-04-25T23:34:39Z", "ms": -463451121281.13403 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-04-25", "window": { "start": { "local": "1955-04-25T11:41:54+03:00", "utc": "1955-04-25T08:41:54Z", "ms": -463504685980.62665 }, "end": { "local": "1955-04-25T12:29:54+03:00", "utc": "1955-04-25T09:29:54Z", "ms": -463501805980.62665 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-04-26", "window": { "start": { "local": "1955-04-26T11:41:43+03:00", "utc": "1955-04-26T08:41:43Z", "ms": -463418296524.45624 }, "end": { "local": "1955-04-26T12:29:43+03:00", "utc": "1955-04-26T09:29:43Z", "ms": -463415416524.45624 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:41 on Mon 25 Apr to 02:35 on Tue 26 Apr.", "fact": "1955-04-25T02:40:54Z → 1955-04-25T23:34:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 25th, 11:42–12:30 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 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21660 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mosul, 1955: Monday 25 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": "1955-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-25", "confidence": "determinate" } ], "quote": "In Mosul, Vināyaka Caturthī 1955 falls on Monday 25 April. Caturthī runs from 05:41 on Mon 25 Apr to 02:35 on Tue 26 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/vinayaka-chaturthi?on=1955-04-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32825, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1955-04-26T02:34:39+03:00", "utc": "1955-04-25T23:34:39Z", "ms": -463451121281.13403 }, "end": { "local": "1955-04-26T23:52:26+03:00", "utc": "1955-04-26T20:52:26Z", "ms": -463374453628.94763 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-04-26T02:34:39+03:00", "utc": "1955-04-25T23:34:39Z", "ms": -463451121281.13403 }, "end": { "local": "1955-04-26T23:52:26+03:00", "utc": "1955-04-26T20:52:26Z", "ms": -463374453628.94763 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-04-26", "window": { "start": { "local": "1955-04-26T11:41:43+03:00", "utc": "1955-04-26T08:41:43Z", "ms": -463418296524.45624 }, "end": { "local": "1955-04-26T12:29:43+03:00", "utc": "1955-04-26T09:29:43Z", "ms": -463415416524.45624 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-04-27", "window": { "start": { "local": "1955-04-27T11:41:33+03:00", "utc": "1955-04-27T08:41:33Z", "ms": -463331906604.52734 }, "end": { "local": "1955-04-27T12:29:33+03:00", "utc": "1955-04-27T09:29:33Z", "ms": -463329026604.52734 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:35 on Tue 26 Apr to 23:52 on Tue 26 Apr.", "fact": "1955-04-25T23:34:39Z → 1955-04-26T20:52:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 26th, 11:42–12:30 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 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: unstated → only-day · margin 32825 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Mosul, 1955: Tuesday 26 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": "1955-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-26", "confidence": "determinate" } ], "quote": "In Mosul, Śaṅkara Jayantī 1955 falls on Tuesday 26 April. Pañcamī runs from 02:35 on Tue 26 Apr to 23:52 on Tue 26 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27025, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1955-04-27T21:39:40+03:00", "utc": "1955-04-27T18:39:40Z", "ms": -463296019759.4862 }, "end": { "local": "1955-04-28T19:59:49+03:00", "utc": "1955-04-28T16:59:49Z", "ms": -463215611458.13184 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-04-27T21:39:40+03:00", "utc": "1955-04-27T18:39:40Z", "ms": -463296019759.4862 }, "end": { "local": "1955-04-28T19:59:49+03:00", "utc": "1955-04-28T16:59:49Z", "ms": -463215611458.13184 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-04-27", "window": { "start": { "local": "1955-04-27T11:41:33+03:00", "utc": "1955-04-27T08:41:33Z", "ms": -463331906604.52734 }, "end": { "local": "1955-04-27T12:29:33+03:00", "utc": "1955-04-27T09:29:33Z", "ms": -463329026604.52734 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-04-28", "window": { "start": { "local": "1955-04-28T11:41:24+03:00", "utc": "1955-04-28T08:41:24Z", "ms": -463245516213.04846 }, "end": { "local": "1955-04-28T12:29:24+03:00", "utc": "1955-04-28T09:29:24Z", "ms": -463242636213.04846 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 21:40 on Wed 27 Apr to 20:00 on Thu 28 Apr.", "fact": "1955-04-27T18:39:40Z → 1955-04-28T16:59:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 27th, 11:41–12:29 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 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: purvaviddha → only-day · margin 27025 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Mosul, 1955: Thursday 28 April.", "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": "1955-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-04-28", "confidence": "determinate" } ], "quote": "In Mosul, Gaṅgotpatti (Ganga Saptami) 1955 falls on Thursday 28 April. Saptamī runs from 21:40 on Wed 27 Apr to 20:00 on Thu 28 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-05-02", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37021, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-05-01T18:24:43+03:00", "utc": "1955-05-01T15:24:43Z", "ms": -462962116788.7254 }, "end": { "local": "1955-05-02T18:56:34+03:00", "utc": "1955-05-02T15:56:34Z", "ms": -462873805557.91797 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-01T18:24:43+03:00", "utc": "1955-05-01T15:24:43Z", "ms": -462962116788.7254 }, "end": { "local": "1955-05-02T18:56:34+03:00", "utc": "1955-05-02T15:56:34Z", "ms": -462873805557.91797 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-05-02", "window": { "start": { "local": "1955-05-02T05:14:41+03:00", "utc": "1955-05-02T02:14:41Z", "ms": -462923119138.7967 }, "end": { "local": "1955-05-02T05:14:41+03:00", "utc": "1955-05-02T02:14:41Z", "ms": -462923119138.7967 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-05-03", "window": { "start": { "local": "1955-05-03T05:13:35+03:00", "utc": "1955-05-03T02:13:35Z", "ms": -462836784869.2971 }, "end": { "local": "1955-05-03T05:13:35+03:00", "utc": "1955-05-03T02:13:35Z", "ms": -462836784869.2971 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:25 on Sun 1 May to 18:57 on Mon 2 May.", "fact": "1955-05-01T15:24:43Z → 1955-05-02T15:56:34Z" }, { "step": "kaala", "text": "Sunrise is at 05:15 on the 2nd and 05:14 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 37021 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Mosul, 1955: Monday 2 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": "1955-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-02", "confidence": "determinate" } ], "quote": "In Mosul, Mohinī Ekādaśī 1955 falls on Monday 2 May. Ekādaśī runs from 18:25 on Sun 1 May to 18:57 on Mon 2 May and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-05-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23264, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1955-05-02T18:56:34+03:00", "utc": "1955-05-02T15:56:34Z", "ms": -462873805557.91797 }, "end": { "local": "1955-05-03T19:56:06+03:00", "utc": "1955-05-03T16:56:06Z", "ms": -462783833702.6854 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-02T18:56:34+03:00", "utc": "1955-05-02T15:56:34Z", "ms": -462873805557.91797 }, "end": { "local": "1955-05-03T19:56:06+03:00", "utc": "1955-05-03T16:56:06Z", "ms": -462783833702.6854 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-05-02", "window": { "start": { "local": "1955-05-02T11:40:50+03:00", "utc": "1955-05-02T08:40:50Z", "ms": -462899949753.167 }, "end": { "local": "1955-05-02T12:28:50+03:00", "utc": "1955-05-02T09:28:50Z", "ms": -462897069753.167 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-05-03", "window": { "start": { "local": "1955-05-03T11:40:43+03:00", "utc": "1955-05-03T08:40:43Z", "ms": -462813556867.5444 }, "end": { "local": "1955-05-03T12:28:43+03:00", "utc": "1955-05-03T09:28:43Z", "ms": -462810676867.5444 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:57 on Mon 2 May to 19:56 on Tue 3 May.", "fact": "1955-05-02T15:56:34Z → 1955-05-03T16:56:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 2nd, 11:41–12:29 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23264 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Mosul, 1955: Tuesday 3 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": "1955-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-03", "confidence": "determinate" } ], "quote": "In Mosul, Paraśurāma Dvādaśī 1955 falls on Tuesday 3 May. Dvādaśī runs from 18:57 on Mon 2 May to 19:56 on Tue 3 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23264, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1955-05-02T18:56:34+03:00", "utc": "1955-05-02T15:56:34Z", "ms": -462873805557.91797 }, "end": { "local": "1955-05-03T19:56:06+03:00", "utc": "1955-05-03T16:56:06Z", "ms": -462783833702.6854 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-02T18:56:34+03:00", "utc": "1955-05-02T15:56:34Z", "ms": -462873805557.91797 }, "end": { "local": "1955-05-03T19:56:06+03:00", "utc": "1955-05-03T16:56:06Z", "ms": -462783833702.6854 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-05-02", "window": { "start": { "local": "1955-05-02T11:40:50+03:00", "utc": "1955-05-02T08:40:50Z", "ms": -462899949753.167 }, "end": { "local": "1955-05-02T12:28:50+03:00", "utc": "1955-05-02T09:28:50Z", "ms": -462897069753.167 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-05-03", "window": { "start": { "local": "1955-05-03T11:40:43+03:00", "utc": "1955-05-03T08:40:43Z", "ms": -462813556867.5444 }, "end": { "local": "1955-05-03T12:28:43+03:00", "utc": "1955-05-03T09:28:43Z", "ms": -462810676867.5444 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:57 on Mon 2 May to 19:56 on Tue 3 May.", "fact": "1955-05-02T15:56:34Z → 1955-05-03T16:56:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 2nd, 11:41–12:29 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23264 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Mosul, 1955: Tuesday 3 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": "1955-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-03", "confidence": "determinate" } ], "quote": "In Mosul, Rukmiṇī Dvādaśī 1955 falls on Tuesday 3 May. Dvādaśī runs from 18:57 on Mon 2 May to 19:56 on Tue 3 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/pradosha-vrata?on=1955-05-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-04", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1318, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-05-03T19:56:06+03:00", "utc": "1955-05-03T16:56:06Z", "ms": -462783833702.6854 }, "end": { "local": "1955-05-04T21:20:39+03:00", "utc": "1955-05-04T18:20:39Z", "ms": -462692360700.88196 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-03T19:56:06+03:00", "utc": "1955-05-03T16:56:06Z", "ms": -462783833702.6854 }, "end": { "local": "1955-05-04T21:20:39+03:00", "utc": "1955-05-04T18:20:39Z", "ms": -462692360700.88196 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-05-03", "window": { "start": { "local": "1955-05-03T18:55:51+03:00", "utc": "1955-05-03T15:55:51Z", "ms": -462787448865.7916 }, "end": { "local": "1955-05-03T20:18:04+03:00", "utc": "1955-05-03T17:18:04Z", "ms": -462782515612.691 } }, "covered_min": 22, "window_min": 82, "qualifies": true }, { "local_date": "1955-05-04", "window": { "start": { "local": "1955-05-04T18:56:43+03:00", "utc": "1955-05-04T15:56:43Z", "ms": -462700997442.3554 }, "end": { "local": "1955-05-04T20:18:40+03:00", "utc": "1955-05-04T17:18:40Z", "ms": -462696079503.9254 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:56 on Tue 3 May to 21:21 on Wed 4 May.", "fact": "1955-05-03T16:56:06Z → 1955-05-04T18:20:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:18 on the 3rd, 18:57–20:19 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 22 of 82 minutes on the 3rd and 82 of 82 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1318 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mosul, 1955: Wednesday 4 May.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-05-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-04", "confidence": "boundary" } ], "quote": "In Mosul, Śukla Pradoṣa Vrata 1955 falls on Wednesday 4 May. Trayodaśī runs from 19:56 on Tue 3 May to 21:21 on Wed 4 May and covers all of pradoṣa that evening. It also reaches the previous evening for 22 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/mosul/festivals/1955/pradosha-vrata?on=1955-05-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3719, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-05-04T21:20:39+03:00", "utc": "1955-05-04T18:20:39Z", "ms": -462692360700.88196 }, "end": { "local": "1955-05-05T23:07:36+03:00", "utc": "1955-05-05T20:07:36Z", "ms": -462599544362.9742 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-04T21:20:39+03:00", "utc": "1955-05-04T18:20:39Z", "ms": -462692360700.88196 }, "end": { "local": "1955-05-05T23:07:36+03:00", "utc": "1955-05-05T20:07:36Z", "ms": -462599544362.9742 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-05-04", "window": { "start": { "local": "1955-05-04T18:56:43+03:00", "utc": "1955-05-04T15:56:43Z", "ms": -462700997442.3554 }, "end": { "local": "1955-05-04T20:18:40+03:00", "utc": "1955-05-04T17:18:40Z", "ms": -462696079503.9254 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1955-05-05", "window": { "start": { "local": "1955-05-05T18:57:34+03:00", "utc": "1955-05-05T15:57:34Z", "ms": -462614546108.9918 }, "end": { "local": "1955-05-05T20:19:17+03:00", "utc": "1955-05-05T17:19:17Z", "ms": -462609643314.42096 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:21 on Wed 4 May to 23:08 on Thu 5 May.", "fact": "1955-05-04T18:20:39Z → 1955-05-05T20:07:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:19 on the 4th, 18:58–20:19 on the 5th.", "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 82 minutes on the 4th and 82 of 82 on the 5th.", "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 3719 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Mosul, 1955: Thursday 5 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": "1955-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-05", "confidence": "determinate" } ], "quote": "In Mosul, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1955 falls on Thursday 5 May. Caturdaśī runs from 21:21 on Wed 4 May to 23:08 on Thu 5 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37579, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-05-05T23:07:36+03:00", "utc": "1955-05-05T20:07:36Z", "ms": -462599544362.9742 }, "end": { "local": "1955-05-07T01:14:01+03:00", "utc": "1955-05-06T22:14:01Z", "ms": -462505558783.6874 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-05T23:07:36+03:00", "utc": "1955-05-05T20:07:36Z", "ms": -462599544362.9742 }, "end": { "local": "1955-05-07T01:14:01+03:00", "utc": "1955-05-06T22:14:01Z", "ms": -462505558783.6874 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-05-06", "window": { "start": { "local": "1955-05-06T11:40:25+03:00", "utc": "1955-05-06T08:40:25Z", "ms": -462554375014.1028 }, "end": { "local": "1955-05-06T12:28:25+03:00", "utc": "1955-05-06T09:28:25Z", "ms": -462551495014.1028 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-05-07", "window": { "start": { "local": "1955-05-07T11:40:20+03:00", "utc": "1955-05-07T08:40:20Z", "ms": -462467979969.9121 }, "end": { "local": "1955-05-07T12:28:20+03:00", "utc": "1955-05-07T09:28:20Z", "ms": -462465099969.9121 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:08 on Thu 5 May to 01:14 on Sat 7 May.", "fact": "1955-05-05T20:07:36Z → 1955-05-06T22:14:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 6th, 11:40–12:28 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 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: unstated → only-day · margin 37579 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Mosul, 1955: Friday 6 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": "1955-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-06", "confidence": "determinate" } ], "quote": "In Mosul, Buddha Pūrṇimā 1955 falls on Friday 6 May. Pūrṇimā runs from 23:08 on Thu 5 May to 01:14 on Sat 7 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37579, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-05-05T23:07:36+03:00", "utc": "1955-05-05T20:07:36Z", "ms": -462599544362.9742 }, "end": { "local": "1955-05-07T01:14:01+03:00", "utc": "1955-05-06T22:14:01Z", "ms": -462505558783.6874 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-05T23:07:36+03:00", "utc": "1955-05-05T20:07:36Z", "ms": -462599544362.9742 }, "end": { "local": "1955-05-07T01:14:01+03:00", "utc": "1955-05-06T22:14:01Z", "ms": -462505558783.6874 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-05-06", "window": { "start": { "local": "1955-05-06T11:40:25+03:00", "utc": "1955-05-06T08:40:25Z", "ms": -462554375014.1028 }, "end": { "local": "1955-05-06T12:28:25+03:00", "utc": "1955-05-06T09:28:25Z", "ms": -462551495014.1028 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-05-07", "window": { "start": { "local": "1955-05-07T11:40:20+03:00", "utc": "1955-05-07T08:40:20Z", "ms": -462467979969.9121 }, "end": { "local": "1955-05-07T12:28:20+03:00", "utc": "1955-05-07T09:28:20Z", "ms": -462465099969.9121 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:08 on Thu 5 May to 01:14 on Sat 7 May.", "fact": "1955-05-05T20:07:36Z → 1955-05-06T22:14:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 6th, 11:40–12:28 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 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: paraviddha → only-day · margin 37579 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Mosul, 1955: Friday 6 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": "1955-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-06", "confidence": "determinate" } ], "quote": "In Mosul, Sampat Gaurī Vrata 1955 falls on Friday 6 May. Pūrṇimā runs from 23:08 on Thu 5 May to 01:14 on Sat 7 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/sankashta-chaturthi?on=1955-05-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40453, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-05-10T08:45:12+03:00", "utc": "1955-05-10T05:45:12Z", "ms": -462219287834.7994 }, "end": { "local": "1955-05-11T11:15:40+03:00", "utc": "1955-05-11T08:15:40Z", "ms": -462123859807.95953 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-10T08:45:12+03:00", "utc": "1955-05-10T05:45:12Z", "ms": -462219287834.7994 }, "end": { "local": "1955-05-11T11:15:40+03:00", "utc": "1955-05-11T08:15:40Z", "ms": -462123859807.95953 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-05-09", "window": { "start": { "local": "1955-05-09T21:30:59+03:00", "utc": "1955-05-09T18:30:59Z", "ms": -462259740976.2681 }, "end": { "local": "1955-05-09T21:30:59+03:00", "utc": "1955-05-09T18:30:59Z", "ms": -462259740976.2681 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-05-10", "window": { "start": { "local": "1955-05-10T22:17:39+03:00", "utc": "1955-05-10T19:17:39Z", "ms": -462170540625.4158 }, "end": { "local": "1955-05-10T22:17:39+03:00", "utc": "1955-05-10T19:17:39Z", "ms": -462170540625.4158 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:45 on Tue 10 May to 11:16 on Wed 11 May.", "fact": "1955-05-10T05:45:12Z → 1955-05-11T08:15:40Z" }, { "step": "kaala", "text": "Moonrise is at 21:31 on the 9th and 22:18 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 40453 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mosul, 1955: Tuesday 10 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": "1955-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-10", "confidence": "determinate" } ], "quote": "In Mosul, Saṅkaṣṭa Caturthī 1955 falls on Tuesday 10 May. Caturthī runs from 08:45 on Tue 10 May to 11:16 on Wed 11 May and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/sankashta-chaturthi?on=1955-05-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/ekadashi?on=1955-05-18", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29250, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-05-17T15:07:42+03:00", "utc": "1955-05-17T12:07:42Z", "ms": -461591538415.7122 }, "end": { "local": "1955-05-18T13:07:11+03:00", "utc": "1955-05-18T10:07:11Z", "ms": -461512368614.831 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-17T15:07:42+03:00", "utc": "1955-05-17T12:07:42Z", "ms": -461591538415.7122 }, "end": { "local": "1955-05-18T13:07:11+03:00", "utc": "1955-05-18T10:07:11Z", "ms": -461512368614.831 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-05-17", "window": { "start": { "local": "1955-05-17T05:00:27+03:00", "utc": "1955-05-17T02:00:27Z", "ms": -461627973064.80835 }, "end": { "local": "1955-05-17T05:00:27+03:00", "utc": "1955-05-17T02:00:27Z", "ms": -461627973064.80835 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-05-18", "window": { "start": { "local": "1955-05-18T04:59:41+03:00", "utc": "1955-05-18T01:59:41Z", "ms": -461541618832.89954 }, "end": { "local": "1955-05-18T04:59:41+03:00", "utc": "1955-05-18T01:59:41Z", "ms": -461541618832.89954 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:08 on Tue 17 May to 13:07 on Wed 18 May.", "fact": "1955-05-17T12:07:42Z → 1955-05-18T10:07:11Z" }, { "step": "kaala", "text": "Sunrise is at 05:00 on the 17th and 05:00 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 29250 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Mosul, 1955: Wednesday 18 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": "1955-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-18", "confidence": "determinate" } ], "quote": "In Mosul, Aparā Ekādaśī 1955 falls on Wednesday 18 May. Ekādaśī runs from 15:08 on Tue 17 May to 13:07 on Wed 18 May and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-05-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-05-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31319, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-05-19T10:27:14+03:00", "utc": "1955-05-19T07:27:14Z", "ms": -461435565816.3712 }, "end": { "local": "1955-05-20T07:16:04+03:00", "utc": "1955-05-20T04:16:04Z", "ms": -461360635611.11255 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-19T10:27:14+03:00", "utc": "1955-05-19T07:27:14Z", "ms": -461435565816.3712 }, "end": { "local": "1955-05-20T07:16:04+03:00", "utc": "1955-05-20T04:16:04Z", "ms": -461360635611.11255 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-05-19", "window": { "start": { "local": "1955-05-19T19:09:13+03:00", "utc": "1955-05-19T16:09:13Z", "ms": -461404246540.5107 }, "end": { "local": "1955-05-19T20:27:46+03:00", "utc": "1955-05-19T17:27:46Z", "ms": -461399534435.2907 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "1955-05-20", "window": { "start": { "local": "1955-05-20T19:10:01+03:00", "utc": "1955-05-20T16:10:01Z", "ms": -461317798879.8007 }, "end": { "local": "1955-05-20T20:28:21+03:00", "utc": "1955-05-20T17:28:21Z", "ms": -461313098611.66516 } }, "covered_min": 0, "window_min": 78, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:27 on Thu 19 May to 07:16 on Fri 20 May.", "fact": "1955-05-19T07:27:14Z → 1955-05-20T04:16:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:09–20:28 on the 19th, 19:10–20:28 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 79 of 79 minutes on the 19th and 0 of 78 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 31319 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 1955: Thursday 19 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": "1955-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-19", "confidence": "determinate" } ], "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 1955 falls on Thursday 19 May. Trayodaśī runs from 10:27 on Thu 19 May to 07:16 on Fri 20 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-05-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/shivaratri?on=1955-05-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11722, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-05-20T07:16:04+03:00", "utc": "1955-05-20T04:16:04Z", "ms": -461360635611.11255 }, "end": { "local": "1955-05-21T03:43:09+03:00", "utc": "1955-05-21T00:43:09Z", "ms": -461287010884.89386 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-20T07:16:04+03:00", "utc": "1955-05-20T04:16:04Z", "ms": -461360635611.11255 }, "end": { "local": "1955-05-21T03:43:09+03:00", "utc": "1955-05-21T00:43:09Z", "ms": -461287010884.89386 } }, "kaala": "nishita", "days": [ { "local_date": "1955-05-19", "window": { "start": { "local": "1955-05-19T23:39:44+03:00", "utc": "1955-05-19T20:39:44Z", "ms": -461388016145.9359 }, "end": { "local": "1955-05-20T00:27:44+03:00", "utc": "1955-05-19T21:27:44Z", "ms": -461385136145.9359 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-05-20", "window": { "start": { "local": "1955-05-20T23:39:47+03:00", "utc": "1955-05-20T20:39:47Z", "ms": -461301612874.2923 }, "end": { "local": "1955-05-21T00:27:47+03:00", "utc": "1955-05-20T21:27:47Z", "ms": -461298732874.2923 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:16 on Fri 20 May to 03:43 on Sat 21 May.", "fact": "1955-05-20T04:16:04Z → 1955-05-21T00:43:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 19th, 23:40–00:28 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 11722 s" }, { "step": "ruling", "text": "Śivarātri, Mosul, 1955: Friday 20 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": "1955-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-20", "confidence": "determinate" } ], "quote": "In Mosul, Śivarātri 1955 falls on Friday 20 May. Caturdaśī runs from 07:16 on Fri 20 May to 03:43 on Sat 21 May and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/shivaratri?on=1955-05-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2755, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1955-05-23T16:34:29+03:00", "utc": "1955-05-23T13:34:29Z", "ms": -461067930905.08386 }, "end": { "local": "1955-05-24T13:14:18+03:00", "utc": "1955-05-24T10:14:18Z", "ms": -460993541951.1846 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-23T16:34:29+03:00", "utc": "1955-05-23T13:34:29Z", "ms": -461067930905.08386 }, "end": { "local": "1955-05-24T13:14:18+03:00", "utc": "1955-05-24T10:14:18Z", "ms": -460993541951.1846 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-05-23", "window": { "start": { "local": "1955-05-23T11:40:18+03:00", "utc": "1955-05-23T08:40:18Z", "ms": -461085581620.8041 }, "end": { "local": "1955-05-23T12:28:18+03:00", "utc": "1955-05-23T09:28:18Z", "ms": -461082701620.8041 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-05-24", "window": { "start": { "local": "1955-05-24T11:40:23+03:00", "utc": "1955-05-24T08:40:23Z", "ms": -460999177026.18115 }, "end": { "local": "1955-05-24T12:28:23+03:00", "utc": "1955-05-24T09:28:23Z", "ms": -460996297026.18115 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:34 on Mon 23 May to 13:14 on Tue 24 May.", "fact": "1955-05-23T13:34:29Z → 1955-05-24T10:14:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 23rd, 11:40–12:28 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 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: purvaviddha → only-day · margin 2755 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Mosul, 1955: Tuesday 24 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": "1955-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-24", "confidence": "determinate" } ], "quote": "In Mosul, Rambhā Tṛtīyā 1955 falls on Tuesday 24 May. Tṛtīyā runs from 16:34 on Mon 23 May to 13:14 on Tue 24 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/vinayaka-chaturthi?on=1955-05-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2755, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-05-24T13:14:18+03:00", "utc": "1955-05-24T10:14:18Z", "ms": -460993541951.1846 }, "end": { "local": "1955-05-25T10:20:09+03:00", "utc": "1955-05-25T07:20:09Z", "ms": -460917590739.521 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-24T13:14:18+03:00", "utc": "1955-05-24T10:14:18Z", "ms": -460993541951.1846 }, "end": { "local": "1955-05-25T10:20:09+03:00", "utc": "1955-05-25T07:20:09Z", "ms": -460917590739.521 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-05-24", "window": { "start": { "local": "1955-05-24T11:40:23+03:00", "utc": "1955-05-24T08:40:23Z", "ms": -460999177026.18115 }, "end": { "local": "1955-05-24T12:28:23+03:00", "utc": "1955-05-24T09:28:23Z", "ms": -460996297026.18115 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-05-25", "window": { "start": { "local": "1955-05-25T11:40:28+03:00", "utc": "1955-05-25T08:40:28Z", "ms": -460912771941.2085 }, "end": { "local": "1955-05-25T12:28:28+03:00", "utc": "1955-05-25T09:28:28Z", "ms": -460909891941.2085 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:14 on Tue 24 May to 10:20 on Wed 25 May.", "fact": "1955-05-24T10:14:18Z → 1955-05-25T07:20:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 24th, 11:40–12:28 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 0 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 2755 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mosul, 1955: Wednesday 25 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": "1955-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-24", "confidence": "determinate" } ], "quote": "In Mosul, Vināyaka Caturthī 1955 falls on Wednesday 25 May. Caturthī runs from 13:14 on Tue 24 May to 10:20 on Wed 25 May, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/mosul/festivals/1955/vinayaka-chaturthi?on=1955-05-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13287, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1955-05-26T07:59:07+03:00", "utc": "1955-05-26T04:59:07Z", "ms": -460839652887.9862 }, "end": { "local": "1955-05-27T06:16:33+03:00", "utc": "1955-05-27T03:16:33Z", "ms": -460759406732.22107 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-26T07:59:07+03:00", "utc": "1955-05-26T04:59:07Z", "ms": -460839652887.9862 }, "end": { "local": "1955-05-27T06:16:33+03:00", "utc": "1955-05-27T03:16:33Z", "ms": -460759406732.22107 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-05-26", "window": { "start": { "local": "1955-05-26T11:40:34+03:00", "utc": "1955-05-26T08:40:34Z", "ms": -460826366379.9434 }, "end": { "local": "1955-05-26T12:28:34+03:00", "utc": "1955-05-26T09:28:34Z", "ms": -460823486379.9434 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-05-27", "window": { "start": { "local": "1955-05-27T11:40:40+03:00", "utc": "1955-05-27T08:40:40Z", "ms": -460739960355.6817 }, "end": { "local": "1955-05-27T12:28:40+03:00", "utc": "1955-05-27T09:28:40Z", "ms": -460737080355.6817 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:59 on Thu 26 May to 06:17 on Fri 27 May.", "fact": "1955-05-26T04:59:07Z → 1955-05-27T03:16:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 26th, 11:41–12:29 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13287 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Mosul, 1955: Thursday 26 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": "1955-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-26", "confidence": "determinate" } ], "quote": "In Mosul, Araṇya Gaurī Vrata 1955 falls on Thursday 26 May. Ṣaṣṭhī runs from 07:59 on Thu 26 May to 06:17 on Fri 27 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13287, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1955-05-26T07:59:07+03:00", "utc": "1955-05-26T04:59:07Z", "ms": -460839652887.9862 }, "end": { "local": "1955-05-27T06:16:33+03:00", "utc": "1955-05-27T03:16:33Z", "ms": -460759406732.22107 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-26T07:59:07+03:00", "utc": "1955-05-26T04:59:07Z", "ms": -460839652887.9862 }, "end": { "local": "1955-05-27T06:16:33+03:00", "utc": "1955-05-27T03:16:33Z", "ms": -460759406732.22107 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-05-26", "window": { "start": { "local": "1955-05-26T11:40:34+03:00", "utc": "1955-05-26T08:40:34Z", "ms": -460826366379.9434 }, "end": { "local": "1955-05-26T12:28:34+03:00", "utc": "1955-05-26T09:28:34Z", "ms": -460823486379.9434 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-05-27", "window": { "start": { "local": "1955-05-27T11:40:40+03:00", "utc": "1955-05-27T08:40:40Z", "ms": -460739960355.6817 }, "end": { "local": "1955-05-27T12:28:40+03:00", "utc": "1955-05-27T09:28:40Z", "ms": -460737080355.6817 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:59 on Thu 26 May to 06:17 on Fri 27 May.", "fact": "1955-05-26T04:59:07Z → 1955-05-27T03:16:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 26th, 11:41–12:29 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13287 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Mosul, 1955: Thursday 26 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": "1955-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-05-26", "confidence": "determinate" } ], "quote": "In Mosul, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1955 falls on Thursday 26 May. Ṣaṣṭhī runs from 07:59 on Thu 26 May to 06:17 on Fri 27 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-06-01", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5313, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-05-31T06:20:44+03:00", "utc": "1955-05-31T03:20:44Z", "ms": -460413556373.56476 }, "end": { "local": "1955-06-01T07:52:59+03:00", "utc": "1955-06-01T04:52:59Z", "ms": -460321621305.363 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1955-05-31T06:20:44+03:00", "utc": "1955-05-31T03:20:44Z", "ms": -460413556373.56476 }, "end": { "local": "1955-06-01T07:52:59+03:00", "utc": "1955-06-01T04:52:59Z", "ms": -460321621305.363 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-05-31", "window": { "start": { "local": "1955-05-31T04:52:11+03:00", "utc": "1955-05-31T01:52:11Z", "ms": -460418869302.11206 }, "end": { "local": "1955-05-31T04:52:11+03:00", "utc": "1955-05-31T01:52:11Z", "ms": -460418869302.11206 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-06-01", "window": { "start": { "local": "1955-06-01T04:51:48+03:00", "utc": "1955-06-01T01:51:48Z", "ms": -460332492428.497 }, "end": { "local": "1955-06-01T04:51:48+03:00", "utc": "1955-06-01T01:51:48Z", "ms": -460332492428.497 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:21 on Tue 31 May to 07:53 on Wed 1 Jun.", "fact": "1955-05-31T03:20:44Z → 1955-06-01T04:52:59Z" }, { "step": "kaala", "text": "Sunrise is at 04:52 on the 31st and 04:52 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 31st and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5313 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Mosul, 1955: Wednesday 1 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": "1955-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-06-01", "confidence": "determinate" } ], "quote": "In Mosul, Nirjalā Ekādaśī 1955 falls on Wednesday 1 June. Ekādaśī runs from 06:21 on Tue 31 May to 07:53 on Wed 1 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-06-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6641, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1955-06-01T07:52:59+03:00", "utc": "1955-06-01T04:52:59Z", "ms": -460321621305.363 }, "end": { "local": "1955-06-02T09:50:44+03:00", "utc": "1955-06-02T06:50:44Z", "ms": -460228155941.94165 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1955-06-01T07:52:59+03:00", "utc": "1955-06-01T04:52:59Z", "ms": -460321621305.363 }, "end": { "local": "1955-06-02T09:50:44+03:00", "utc": "1955-06-02T06:50:44Z", "ms": -460228155941.94165 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-06-01", "window": { "start": { "local": "1955-06-01T11:41:16+03:00", "utc": "1955-06-01T08:41:16Z", "ms": -460307923725.31506 }, "end": { "local": "1955-06-01T12:29:16+03:00", "utc": "1955-06-01T09:29:16Z", "ms": -460305043725.31506 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-06-02", "window": { "start": { "local": "1955-06-02T11:41:25+03:00", "utc": "1955-06-02T08:41:25Z", "ms": -460221515184.1616 }, "end": { "local": "1955-06-02T12:29:25+03:00", "utc": "1955-06-02T09:29:25Z", "ms": -460218635184.1616 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:53 on Wed 1 Jun to 09:51 on Thu 2 Jun.", "fact": "1955-06-01T04:52:59Z → 1955-06-02T06:50:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 1st, 11:41–12:29 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6641 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Mosul, 1955: Wednesday 1 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": "1955-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-06-01", "confidence": "determinate" } ], "quote": "In Mosul, Śrī Rāma Dvādaśī 1955 falls on Wednesday 1 June. Dvādaśī runs from 07:53 on Wed 1 Jun to 09:51 on Thu 2 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/pradosha-vrata?on=1955-06-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25974, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-06-02T09:50:44+03:00", "utc": "1955-06-02T06:50:44Z", "ms": -460228155941.94165 }, "end": { "local": "1955-06-03T12:07:07+03:00", "utc": "1955-06-03T09:07:07Z", "ms": -460133573112.00903 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1955-06-02T09:50:44+03:00", "utc": "1955-06-02T06:50:44Z", "ms": -460228155941.94165 }, "end": { "local": "1955-06-03T12:07:07+03:00", "utc": "1955-06-03T09:07:07Z", "ms": -460133573112.00903 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-06-02", "window": { "start": { "local": "1955-06-02T19:19:23+03:00", "utc": "1955-06-02T16:19:23Z", "ms": -460194036510.5739 }, "end": { "local": "1955-06-02T20:35:37+03:00", "utc": "1955-06-02T17:35:37Z", "ms": -460189462786.81635 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "1955-06-03", "window": { "start": { "local": "1955-06-03T19:20:01+03:00", "utc": "1955-06-03T16:20:01Z", "ms": -460107598953.5833 }, "end": { "local": "1955-06-03T20:36:07+03:00", "utc": "1955-06-03T17:36:07Z", "ms": -460103032639.229 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:51 on Thu 2 Jun to 12:07 on Fri 3 Jun.", "fact": "1955-06-02T06:50:44Z → 1955-06-03T09:07:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:19–20:36 on the 2nd, 19:20–20:36 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 76 of 76 minutes on the 2nd and 0 of 76 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25974 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mosul, 1955: Thursday 2 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": "1955-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-06-02", "confidence": "determinate" } ], "quote": "In Mosul, Śukla Pradoṣa Vrata 1955 falls on Thursday 2 June. Trayodaśī runs from 09:51 on Thu 2 Jun to 12:07 on Fri 3 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7970, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-06-04T14:35:14+03:00", "utc": "1955-06-04T11:35:14Z", "ms": -460038285564.06445 }, "end": { "local": "1955-06-05T17:08:23+03:00", "utc": "1955-06-05T14:08:23Z", "ms": -459942696888.041 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1955-06-04T14:35:14+03:00", "utc": "1955-06-04T11:35:14Z", "ms": -460038285564.06445 }, "end": { "local": "1955-06-05T17:08:23+03:00", "utc": "1955-06-05T14:08:23Z", "ms": -459942696888.041 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-06-04", "window": { "start": { "local": "1955-06-04T19:20:38+03:00", "utc": "1955-06-04T16:20:38Z", "ms": -460021162384.9538 }, "end": { "local": "1955-06-04T20:36:37+03:00", "utc": "1955-06-04T17:36:37Z", "ms": -460016603119.3425 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "1955-06-05", "window": { "start": { "local": "1955-06-05T19:21:13+03:00", "utc": "1955-06-05T16:21:13Z", "ms": -459934726838.40686 }, "end": { "local": "1955-06-05T20:37:06+03:00", "utc": "1955-06-05T17:37:06Z", "ms": -459930174255.79504 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:35 on Sat 4 Jun to 17:08 on Sun 5 Jun.", "fact": "1955-06-04T11:35:14Z → 1955-06-05T14:08:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:21–20:37 on the 4th, 19:21–20:37 on the 5th.", "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 4th and 0 of 76 on the 5th.", "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 7970 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Mosul, 1955: Saturday 4 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": "1955-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-06-04", "confidence": "determinate" } ], "quote": "In Mosul, Vaṭa Sāvitrī Vrata 1955 falls on Saturday 4 June. Pūrṇimā runs from 14:35 on Sat 4 Jun to 17:08 on Sun 5 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/sankashta-chaturthi?on=1955-06-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9179, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-06-09T00:10:42+03:00", "utc": "1955-06-08T21:10:42Z", "ms": -459658157751.2653 }, "end": { "local": "1955-06-10T01:55:53+03:00", "utc": "1955-06-09T22:55:53Z", "ms": -459565446773.0689 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-06-09T00:10:42+03:00", "utc": "1955-06-08T21:10:42Z", "ms": -459658157751.2653 }, "end": { "local": "1955-06-10T01:55:53+03:00", "utc": "1955-06-09T22:55:53Z", "ms": -459565446773.0689 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-06-08", "window": { "start": { "local": "1955-06-08T21:37:43+03:00", "utc": "1955-06-08T18:37:43Z", "ms": -459667337219.33875 }, "end": { "local": "1955-06-08T21:37:43+03:00", "utc": "1955-06-08T18:37:43Z", "ms": -459667337219.33875 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-06-09", "window": { "start": { "local": "1955-06-09T22:12:33+03:00", "utc": "1955-06-09T19:12:33Z", "ms": -459578846935.00885 }, "end": { "local": "1955-06-09T22:12:33+03:00", "utc": "1955-06-09T19:12:33Z", "ms": -459578846935.00885 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:11 on Thu 9 Jun to 01:56 on Fri 10 Jun.", "fact": "1955-06-08T21:10:42Z → 1955-06-09T22:55:53Z" }, { "step": "kaala", "text": "Moonrise is at 21:38 on the 8th and 22:13 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 8th and is 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 9179 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mosul, 1955: Thursday 9 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": "1955-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-06-09", "confidence": "determinate" } ], "quote": "In Mosul, Saṅkaṣṭa Caturthī 1955 falls on Thursday 9 June. Caturthī runs from 00:11 on Thu 9 Jun to 01:56 on Fri 10 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/sankashta-chaturthi?on=1955-06-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/ekadashi?on=1955-06-16", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18345, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-06-15T23:43:41+03:00", "utc": "1955-06-15T20:43:41Z", "ms": -459054978670.6428 }, "end": { "local": "1955-06-16T21:05:32+03:00", "utc": "1955-06-16T18:05:32Z", "ms": -458978068396.5653 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-06-15T23:43:41+03:00", "utc": "1955-06-15T20:43:41Z", "ms": -459054978670.6428 }, "end": { "local": "1955-06-16T21:05:32+03:00", "utc": "1955-06-16T18:05:32Z", "ms": -458978068396.5653 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-06-16", "window": { "start": { "local": "1955-06-16T04:49:26+03:00", "utc": "1955-06-16T01:49:26Z", "ms": -459036633564.714 }, "end": { "local": "1955-06-16T04:49:26+03:00", "utc": "1955-06-16T01:49:26Z", "ms": -459036633564.714 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-06-17", "window": { "start": { "local": "1955-06-17T04:49:31+03:00", "utc": "1955-06-17T01:49:31Z", "ms": -458950229331.98676 }, "end": { "local": "1955-06-17T04:49:31+03:00", "utc": "1955-06-17T01:49:31Z", "ms": -458950229331.98676 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:44 on Wed 15 Jun to 21:06 on Thu 16 Jun.", "fact": "1955-06-15T20:43:41Z → 1955-06-16T18:05:32Z" }, { "step": "kaala", "text": "Sunrise is at 04:49 on the 16th and 04:50 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18345 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Mosul, 1955: Thursday 16 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": "1955-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-06-16", "confidence": "determinate" } ], "quote": "In Mosul, Yoginī Ekādaśī 1955 falls on Thursday 16 June. Ekādaśī runs from 23:44 on Wed 15 Jun to 21:06 on Thu 16 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-06-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-06-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5266, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-06-17T17:59:02+03:00", "utc": "1955-06-17T14:59:02Z", "ms": -458902857974.9581 }, "end": { "local": "1955-06-18T14:32:01+03:00", "utc": "1955-06-18T11:32:01Z", "ms": -458828879306.5429 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-06-17T17:59:02+03:00", "utc": "1955-06-17T14:59:02Z", "ms": -458902857974.9581 }, "end": { "local": "1955-06-18T14:32:01+03:00", "utc": "1955-06-18T11:32:01Z", "ms": -458828879306.5429 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-06-17", "window": { "start": { "local": "1955-06-17T19:26:48+03:00", "utc": "1955-06-17T16:26:48Z", "ms": -458897592141.5294 }, "end": { "local": "1955-06-17T20:41:50+03:00", "utc": "1955-06-17T17:41:50Z", "ms": -458893089649.8922 } }, "covered_min": 75, "window_min": 75, "qualifies": true }, { "local_date": "1955-06-18", "window": { "start": { "local": "1955-06-18T19:27:07+03:00", "utc": "1955-06-18T16:27:07Z", "ms": -458811172899.62274 }, "end": { "local": "1955-06-18T20:42:08+03:00", "utc": "1955-06-18T17:42:08Z", "ms": -458806671973.6469 } }, "covered_min": 0, "window_min": 75, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:59 on Fri 17 Jun to 14:32 on Sat 18 Jun.", "fact": "1955-06-17T14:59:02Z → 1955-06-18T11:32:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:27–20:42 on the 17th, 19:27–20:42 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 75 of 75 minutes on the 17th and 0 of 75 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 5266 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 1955: Friday 17 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": "1955-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-06-17", "confidence": "determinate" } ], "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 1955 falls on Friday 17 June. Trayodaśī runs from 17:59 on Fri 17 Jun to 14:32 on Sat 18 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-06-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/shivaratri?on=1955-06-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33145, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-06-18T14:32:01+03:00", "utc": "1955-06-18T11:32:01Z", "ms": -458828879306.5429 }, "end": { "local": "1955-06-19T10:53:10+03:00", "utc": "1955-06-19T07:53:10Z", "ms": -458755610264.5418 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-06-18T14:32:01+03:00", "utc": "1955-06-18T11:32:01Z", "ms": -458828879306.5429 }, "end": { "local": "1955-06-19T10:53:10+03:00", "utc": "1955-06-19T07:53:10Z", "ms": -458755610264.5418 } }, "kaala": "nishita", "days": [ { "local_date": "1955-06-18", "window": { "start": { "local": "1955-06-18T23:44:26+03:00", "utc": "1955-06-18T20:44:26Z", "ms": -458795734427.2135 }, "end": { "local": "1955-06-19T00:32:26+03:00", "utc": "1955-06-18T21:32:26Z", "ms": -458792854427.2135 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-06-19", "window": { "start": { "local": "1955-06-19T23:44:39+03:00", "utc": "1955-06-19T20:44:39Z", "ms": -458709320999.59406 }, "end": { "local": "1955-06-20T00:32:39+03:00", "utc": "1955-06-19T21:32:39Z", "ms": -458706440999.59406 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:32 on Sat 18 Jun to 10:53 on Sun 19 Jun.", "fact": "1955-06-18T11:32:01Z → 1955-06-19T07:53:10Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 18th, 23:45–00:33 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 33145 s" }, { "step": "ruling", "text": "Śivarātri, Mosul, 1955: Saturday 18 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": "1955-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-06-18", "confidence": "determinate" } ], "quote": "In Mosul, Śivarātri 1955 falls on Saturday 18 June. Caturdaśī runs from 14:32 on Sat 18 Jun to 10:53 on Sun 19 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/shivaratri?on=1955-06-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29266, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1955-06-21T03:37:14+03:00", "utc": "1955-06-21T00:37:14Z", "ms": -458608966118.1002 }, "end": { "local": "1955-06-22T00:19:06+03:00", "utc": "1955-06-21T21:19:06Z", "ms": -458534454476.79486 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-06-21T03:37:14+03:00", "utc": "1955-06-21T00:37:14Z", "ms": -458608966118.1002 }, "end": { "local": "1955-06-22T00:19:06+03:00", "utc": "1955-06-21T21:19:06Z", "ms": -458534454476.79486 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-06-21", "window": { "start": { "local": "1955-06-21T11:45:00+03:00", "utc": "1955-06-21T08:45:00Z", "ms": -458579700195.4227 }, "end": { "local": "1955-06-21T12:33:00+03:00", "utc": "1955-06-21T09:33:00Z", "ms": -458576820195.4227 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-06-22", "window": { "start": { "local": "1955-06-22T11:45:12+03:00", "utc": "1955-06-22T08:45:12Z", "ms": -458493287532.702 }, "end": { "local": "1955-06-22T12:33:12+03:00", "utc": "1955-06-22T09:33:12Z", "ms": -458490407532.702 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 03:37 on Tue 21 Jun to 00:19 on Wed 22 Jun.", "fact": "1955-06-21T00:37:14Z → 1955-06-21T21:19:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 21st, 11:45–12:33 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29266 s" }, { "step": "ruling", "text": "Rathayātrā, Mosul, 1955: Tuesday 21 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": "1955-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-06-21", "confidence": "determinate" } ], "quote": "In Mosul, Rathayātrā 1955 falls on Tuesday 21 June. Dvitīyā runs from 03:37 on Tue 21 Jun to 00:19 on Wed 22 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/vinayaka-chaturthi?on=1955-06-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23633, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-06-22T21:26:22+03:00", "utc": "1955-06-22T18:26:22Z", "ms": -458458417531.0163 }, "end": { "local": "1955-06-23T19:07:18+03:00", "utc": "1955-06-23T16:07:18Z", "ms": -458380361520.59937 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-06-22T21:26:22+03:00", "utc": "1955-06-22T18:26:22Z", "ms": -458458417531.0163 }, "end": { "local": "1955-06-23T19:07:18+03:00", "utc": "1955-06-23T16:07:18Z", "ms": -458380361520.59937 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-06-22", "window": { "start": { "local": "1955-06-22T11:45:12+03:00", "utc": "1955-06-22T08:45:12Z", "ms": -458493287532.702 }, "end": { "local": "1955-06-22T12:33:12+03:00", "utc": "1955-06-22T09:33:12Z", "ms": -458490407532.702 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-06-23", "window": { "start": { "local": "1955-06-23T11:45:25+03:00", "utc": "1955-06-23T08:45:25Z", "ms": -458406874917.0348 }, "end": { "local": "1955-06-23T12:33:25+03:00", "utc": "1955-06-23T09:33:25Z", "ms": -458403994917.0348 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:26 on Wed 22 Jun to 19:07 on Thu 23 Jun.", "fact": "1955-06-22T18:26:22Z → 1955-06-23T16:07:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 22nd, 11:45–12:33 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 23633 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mosul, 1955: Thursday 23 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": "1955-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-06-23", "confidence": "determinate" } ], "quote": "In Mosul, Vināyaka Caturthī 1955 falls on Thursday 23 June. Caturthī runs from 21:26 on Wed 22 Jun to 19:07 on Thu 23 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/vinayaka-chaturthi?on=1955-06-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17706, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1955-06-23T19:07:18+03:00", "utc": "1955-06-23T16:07:18Z", "ms": -458380361520.59937 }, "end": { "local": "1955-06-24T17:28:44+03:00", "utc": "1955-06-24T14:28:44Z", "ms": -458299875971.2348 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-06-23T19:07:18+03:00", "utc": "1955-06-23T16:07:18Z", "ms": -458380361520.59937 }, "end": { "local": "1955-06-24T17:28:44+03:00", "utc": "1955-06-24T14:28:44Z", "ms": -458299875971.2348 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-06-23", "window": { "start": { "local": "1955-06-23T11:45:25+03:00", "utc": "1955-06-23T08:45:25Z", "ms": -458406874917.0348 }, "end": { "local": "1955-06-23T12:33:25+03:00", "utc": "1955-06-23T09:33:25Z", "ms": -458403994917.0348 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-06-24", "window": { "start": { "local": "1955-06-24T11:45:38+03:00", "utc": "1955-06-24T08:45:38Z", "ms": -458320462375.41486 }, "end": { "local": "1955-06-24T12:33:38+03:00", "utc": "1955-06-24T09:33:38Z", "ms": -458317582375.41486 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:07 on Thu 23 Jun to 17:29 on Fri 24 Jun.", "fact": "1955-06-23T16:07:18Z → 1955-06-24T14:28:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 23rd, 11:46–12:34 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī 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 17706 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Mosul, 1955: Friday 24 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": "1955-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-06-24", "confidence": "determinate" } ], "quote": "In Mosul, Skanda Pañcamī 1955 falls on Friday 24 June. Pañcamī runs from 19:07 on Thu 23 Jun to 17:29 on Fri 24 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14124, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1955-06-25T16:35:26+03:00", "utc": "1955-06-25T13:35:26Z", "ms": -458216673995.4705 }, "end": { "local": "1955-06-26T16:29:26+03:00", "utc": "1955-06-26T13:29:26Z", "ms": -458130633826.4385 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-06-25T16:35:26+03:00", "utc": "1955-06-25T13:35:26Z", "ms": -458216673995.4705 }, "end": { "local": "1955-06-26T16:29:26+03:00", "utc": "1955-06-26T13:29:26Z", "ms": -458130633826.4385 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-06-25", "window": { "start": { "local": "1955-06-25T11:45:50+03:00", "utc": "1955-06-25T08:45:50Z", "ms": -458234049933.32245 }, "end": { "local": "1955-06-25T12:33:50+03:00", "utc": "1955-06-25T09:33:50Z", "ms": -458231169933.32245 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-06-26", "window": { "start": { "local": "1955-06-26T11:46:02+03:00", "utc": "1955-06-26T08:46:02Z", "ms": -458147637614.876 }, "end": { "local": "1955-06-26T12:34:02+03:00", "utc": "1955-06-26T09:34:02Z", "ms": -458144757614.876 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:35 on Sat 25 Jun to 16:29 on Sun 26 Jun.", "fact": "1955-06-25T13:35:26Z → 1955-06-26T13:29:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 25th, 11:46–12:34 on the 26th.", "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 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14124 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Mosul, 1955: Sunday 26 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": "1955-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-06-26", "confidence": "determinate" } ], "quote": "In Mosul, Vivasvat Saptamī 1955 falls on Sunday 26 June. Saptamī runs from 16:35 on Sat 25 Jun to 16:29 on Sun 26 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-06-30", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22141, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-06-29T20:25:43+03:00", "utc": "1955-06-29T17:25:43Z", "ms": -457857257007.3523 }, "end": { "local": "1955-06-30T22:44:09+03:00", "utc": "1955-06-30T19:44:09Z", "ms": -457762550635.899 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-06-29T20:25:43+03:00", "utc": "1955-06-29T17:25:43Z", "ms": -457857257007.3523 }, "end": { "local": "1955-06-30T22:44:09+03:00", "utc": "1955-06-30T19:44:09Z", "ms": -457762550635.899 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-06-30", "window": { "start": { "local": "1955-06-30T04:52:46+03:00", "utc": "1955-06-30T01:52:46Z", "ms": -457826834424.4914 }, "end": { "local": "1955-06-30T04:52:46+03:00", "utc": "1955-06-30T01:52:46Z", "ms": -457826834424.4914 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-07-01", "window": { "start": { "local": "1955-07-01T04:53:10+03:00", "utc": "1955-07-01T01:53:10Z", "ms": -457740409674.5962 }, "end": { "local": "1955-07-01T04:53:10+03:00", "utc": "1955-07-01T01:53:10Z", "ms": -457740409674.5962 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:26 on Wed 29 Jun to 22:44 on Thu 30 Jun.", "fact": "1955-06-29T17:25:43Z → 1955-06-30T19:44:09Z" }, { "step": "kaala", "text": "Sunrise is at 04:53 on the 30th and 04:53 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22141 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Mosul, 1955: Thursday 30 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": "1955-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-06-30", "confidence": "determinate" } ], "quote": "In Mosul, Hariśayanī Ekādaśī 1955 falls on Thursday 30 June. Ekādaśī runs from 20:26 on Wed 29 Jun to 22:44 on Thu 30 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-06-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-07-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16270, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-07-02T01:15:21+03:00", "utc": "1955-07-01T22:15:21Z", "ms": -457667079395.8407 }, "end": { "local": "1955-07-03T03:48:52+03:00", "utc": "1955-07-03T00:48:52Z", "ms": -457571467625.3241 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-07-02T01:15:21+03:00", "utc": "1955-07-01T22:15:21Z", "ms": -457667079395.8407 }, "end": { "local": "1955-07-03T03:48:52+03:00", "utc": "1955-07-03T00:48:52Z", "ms": -457571467625.3241 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-07-01", "window": { "start": { "local": "1955-07-01T19:28:52+03:00", "utc": "1955-07-01T16:28:52Z", "ms": -457687867625.4175 }, "end": { "local": "1955-07-01T20:44:10+03:00", "utc": "1955-07-01T17:44:10Z", "ms": -457683349766.0322 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "1955-07-02", "window": { "start": { "local": "1955-07-02T19:28:49+03:00", "utc": "1955-07-02T16:28:49Z", "ms": -457601471371.6073 }, "end": { "local": "1955-07-02T20:44:11+03:00", "utc": "1955-07-02T17:44:11Z", "ms": -457596949384.9759 } }, "covered_min": 75, "window_min": 75, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:15 on Sat 2 Jul to 03:49 on Sun 3 Jul.", "fact": "1955-07-01T22:15:21Z → 1955-07-03T00:48:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:29–20:44 on the 1st, 19:29–20:44 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 75 minutes on the 1st and 75 of 75 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16270 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mosul, 1955: Saturday 2 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": "1955-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-02", "confidence": "determinate" } ], "quote": "In Mosul, Śukla Pradoṣa Vrata 1955 falls on Saturday 2 July. Trayodaśī runs from 01:15 on Sat 2 Jul to 03:49 on Sun 3 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-07-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11951, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-07-04T06:15:42+03:00", "utc": "1955-07-04T03:15:42Z", "ms": -457476258469.92584 }, "end": { "local": "1955-07-05T08:28:33+03:00", "utc": "1955-07-05T05:28:33Z", "ms": -457381887006.99133 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-07-04T06:15:42+03:00", "utc": "1955-07-04T03:15:42Z", "ms": -457476258469.92584 }, "end": { "local": "1955-07-05T08:28:33+03:00", "utc": "1955-07-05T05:28:33Z", "ms": -457381887006.99133 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-07-04", "window": { "start": { "local": "1955-07-04T11:47:34+03:00", "utc": "1955-07-04T08:47:34Z", "ms": -457456346097.6034 }, "end": { "local": "1955-07-04T12:35:34+03:00", "utc": "1955-07-04T09:35:34Z", "ms": -457453466097.6034 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-07-05", "window": { "start": { "local": "1955-07-05T11:47:44+03:00", "utc": "1955-07-05T08:47:44Z", "ms": -457369935828.4416 }, "end": { "local": "1955-07-05T12:35:44+03:00", "utc": "1955-07-05T09:35:44Z", "ms": -457367055828.4416 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:16 on Mon 4 Jul to 08:29 on Tue 5 Jul.", "fact": "1955-07-04T03:15:42Z → 1955-07-05T05:28:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 4th, 11:48–12:36 on the 5th.", "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 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11951 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Mosul, 1955: Monday 4 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": "1955-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-04", "confidence": "determinate" } ], "quote": "In Mosul, Guru Pūrṇimā 1955 falls on Monday 4 July. Pūrṇimā runs from 06:16 on Mon 4 Jul to 08:29 on Tue 5 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29113, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-07-04T06:15:42+03:00", "utc": "1955-07-04T03:15:42Z", "ms": -457476258469.92584 }, "end": { "local": "1955-07-05T08:28:33+03:00", "utc": "1955-07-05T05:28:33Z", "ms": -457381887006.99133 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-07-04T06:15:42+03:00", "utc": "1955-07-04T03:15:42Z", "ms": -457476258469.92584 }, "end": { "local": "1955-07-05T08:28:33+03:00", "utc": "1955-07-05T05:28:33Z", "ms": -457381887006.99133 } }, "kaala": "sayahna", "days": [ { "local_date": "1955-07-04", "window": { "start": { "local": "1955-07-04T16:33:47+03:00", "utc": "1955-07-04T13:33:47Z", "ms": -457439172907.30994 }, "end": { "local": "1955-07-04T19:28:36+03:00", "utc": "1955-07-04T16:28:36Z", "ms": -457428684113.781 } }, "covered_min": 175, "window_min": 175, "qualifies": true }, { "local_date": "1955-07-05", "window": { "start": { "local": "1955-07-05T16:33:46+03:00", "utc": "1955-07-05T13:33:46Z", "ms": -457352774201.4114 }, "end": { "local": "1955-07-05T19:28:27+03:00", "utc": "1955-07-05T16:28:27Z", "ms": -457342293116.72455 } }, "covered_min": 0, "window_min": 175, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:16 on Mon 4 Jul to 08:29 on Tue 5 Jul.", "fact": "1955-07-04T03:15:42Z → 1955-07-05T05:28:33Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:34–19:29 on the 4th, 16:34–19:28 on the 5th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 175 of 175 minutes on the 4th and 0 of 175 on the 5th.", "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 29113 s" }, { "step": "ruling", "text": "Kokilā Vrata, Mosul, 1955: Monday 4 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": "1955-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-04", "confidence": "determinate" } ], "quote": "In Mosul, Kokilā Vrata 1955 falls on Monday 4 July. Pūrṇimā runs from 06:16 on Mon 4 Jul to 08:29 on Tue 5 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34292, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-07-04T06:15:42+03:00", "utc": "1955-07-04T03:15:42Z", "ms": -457476258469.92584 }, "end": { "local": "1955-07-05T08:28:33+03:00", "utc": "1955-07-05T05:28:33Z", "ms": -457381887006.99133 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-07-04T06:15:42+03:00", "utc": "1955-07-04T03:15:42Z", "ms": -457476258469.92584 }, "end": { "local": "1955-07-05T08:28:33+03:00", "utc": "1955-07-05T05:28:33Z", "ms": -457381887006.99133 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-07-03", "window": { "start": { "local": "1955-07-03T19:28:43+03:00", "utc": "1955-07-03T16:28:43Z", "ms": -457515076866.3204 }, "end": { "local": "1955-07-03T20:44:10+03:00", "utc": "1955-07-03T17:44:10Z", "ms": -457510550361.6678 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "1955-07-04", "window": { "start": { "local": "1955-07-04T19:28:36+03:00", "utc": "1955-07-04T16:28:36Z", "ms": -457428684113.781 }, "end": { "local": "1955-07-04T20:44:07+03:00", "utc": "1955-07-04T17:44:07Z", "ms": -457424152703.96466 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:16 on Mon 4 Jul to 08:29 on Tue 5 Jul.", "fact": "1955-07-04T03:15:42Z → 1955-07-05T05:28:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:29–20:44 on the 3rd, 19:29–20:44 on the 4th.", "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 75 minutes on the 3rd and 76 of 76 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34292 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Mosul, 1955: Monday 4 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": "1955-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-04", "confidence": "determinate" } ], "quote": "In Mosul, Śiva Śayanotsava 1955 falls on Monday 4 July. Pūrṇimā runs from 06:16 on Mon 4 Jul to 08:29 on Tue 5 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2330, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-07-04T06:15:42+03:00", "utc": "1955-07-04T03:15:42Z", "ms": -457476258469.92584 }, "end": { "local": "1955-07-05T08:28:33+03:00", "utc": "1955-07-05T05:28:33Z", "ms": -457381887006.99133 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1955-07-04T06:15:42+03:00", "utc": "1955-07-04T03:15:42Z", "ms": -457476258469.92584 }, "end": { "local": "1955-07-05T08:28:33+03:00", "utc": "1955-07-05T05:28:33Z", "ms": -457381887006.99133 } }, "kaala": "udaya-3", "days": [ { "local_date": "1955-07-04", "window": { "start": { "local": "1955-07-04T04:54:32+03:00", "utc": "1955-07-04T01:54:32Z", "ms": -457481128081.4258 }, "end": { "local": "1955-07-04T07:49:21+03:00", "utc": "1955-07-04T04:49:21Z", "ms": -457470639287.89685 } }, "covered_min": 94, "window_min": 175, "qualifies": false }, { "local_date": "1955-07-05", "window": { "start": { "local": "1955-07-05T04:55:01+03:00", "utc": "1955-07-05T01:55:01Z", "ms": -457394698540.1586 }, "end": { "local": "1955-07-05T07:49:43+03:00", "utc": "1955-07-05T04:49:43Z", "ms": -457384217455.4718 } }, "covered_min": 175, "window_min": 175, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:16 on Mon 4 Jul to 08:29 on Tue 5 Jul.", "fact": "1955-07-04T03:15:42Z → 1955-07-05T05:28:33Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:55–07:49 on the 4th, 04:55–07:50 on the 5th.", "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 94 of 175 minutes on the 4th and 175 of 175 on the 5th.", "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 2330 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Mosul, 1955: Tuesday 5 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": "1955-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-05", "confidence": "determinate" } ], "quote": "In Mosul, Vyāsa Pūjā 1955 falls on Tuesday 5 July. Pūrṇimā runs from 06:16 on Mon 4 Jul to 08:29 on Tue 5 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32125, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1955-07-06T10:21:59+03:00", "utc": "1955-07-06T07:21:59Z", "ms": -457288680982.4471 }, "end": { "local": "1955-07-07T11:52:01+03:00", "utc": "1955-07-07T08:52:01Z", "ms": -457196879387.6523 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1955-07-06T10:21:59+03:00", "utc": "1955-07-06T07:21:59Z", "ms": -457288680982.4471 }, "end": { "local": "1955-07-07T11:52:01+03:00", "utc": "1955-07-07T08:52:01Z", "ms": -457196879387.6523 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-07-06", "window": { "start": { "local": "1955-07-06T20:14:36+03:00", "utc": "1955-07-06T17:14:36Z", "ms": -457253124300.19147 }, "end": { "local": "1955-07-06T20:14:36+03:00", "utc": "1955-07-06T17:14:36Z", "ms": -457253124300.19147 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-07-07", "window": { "start": { "local": "1955-07-07T20:47:26+03:00", "utc": "1955-07-07T17:47:26Z", "ms": -457164753933.82465 }, "end": { "local": "1955-07-07T20:47:26+03:00", "utc": "1955-07-07T17:47:26Z", "ms": -457164753933.82465 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:22 on Wed 6 Jul to 11:52 on Thu 7 Jul.", "fact": "1955-07-06T07:21:59Z → 1955-07-07T08:52:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:15 on the 6th and 20:47 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32125 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Mosul, 1955: Wednesday 6 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": "1955-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-06", "confidence": "determinate" } ], "quote": "In Mosul, Aśūnya Śayana Vrata (Āṣāḍha) 1955 falls on Wednesday 6 July. Dvitīyā runs from 10:22 on Wed 6 Jul to 11:52 on Thu 7 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/sankashta-chaturthi?on=1955-07-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29757, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-07-08T12:55:43+03:00", "utc": "1955-07-08T09:55:43Z", "ms": -457106657080.3224 }, "end": { "local": "1955-07-09T13:30:54+03:00", "utc": "1955-07-09T10:30:54Z", "ms": -457018145711.8081 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1955-07-08T12:55:43+03:00", "utc": "1955-07-08T09:55:43Z", "ms": -457106657080.3224 }, "end": { "local": "1955-07-09T13:30:54+03:00", "utc": "1955-07-09T10:30:54Z", "ms": -457018145711.8081 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-07-08", "window": { "start": { "local": "1955-07-08T21:17:49+03:00", "utc": "1955-07-08T18:17:49Z", "ms": -457076531141.23175 }, "end": { "local": "1955-07-08T21:17:49+03:00", "utc": "1955-07-08T18:17:49Z", "ms": -457076531141.23175 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-07-09", "window": { "start": { "local": "1955-07-09T21:46:52+03:00", "utc": "1955-07-09T18:46:52Z", "ms": -456988388389.1026 }, "end": { "local": "1955-07-09T21:46:52+03:00", "utc": "1955-07-09T18:46:52Z", "ms": -456988388389.1026 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:56 on Fri 8 Jul to 13:31 on Sat 9 Jul.", "fact": "1955-07-08T09:55:43Z → 1955-07-09T10:30:54Z" }, { "step": "kaala", "text": "Moonrise is at 21:18 on the 8th and 21:47 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 29757 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mosul, 1955: Friday 8 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": "1955-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-08", "confidence": "determinate" } ], "quote": "In Mosul, Saṅkaṣṭa Caturthī 1955 falls on Friday 8 July. Caturthī runs from 12:56 on Fri 8 Jul to 13:31 on Sat 9 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/sankashta-chaturthi?on=1955-07-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/ekadashi?on=1955-07-15", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4563, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-07-15T06:16:56+03:00", "utc": "1955-07-15T03:16:56Z", "ms": -456525783657.2936 }, "end": { "local": "1955-07-16T03:28:17+03:00", "utc": "1955-07-16T00:28:17Z", "ms": -456449503201.59375 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1955-07-15T06:16:56+03:00", "utc": "1955-07-15T03:16:56Z", "ms": -456525783657.2936 }, "end": { "local": "1955-07-16T03:28:17+03:00", "utc": "1955-07-16T00:28:17Z", "ms": -456449503201.59375 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-07-15", "window": { "start": { "local": "1955-07-15T05:00:53+03:00", "utc": "1955-07-15T02:00:53Z", "ms": -456530346924.2464 }, "end": { "local": "1955-07-15T05:00:53+03:00", "utc": "1955-07-15T02:00:53Z", "ms": -456530346924.2464 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-07-16", "window": { "start": { "local": "1955-07-16T05:01:33+03:00", "utc": "1955-07-16T02:01:33Z", "ms": -456443906891.5909 }, "end": { "local": "1955-07-16T05:01:33+03:00", "utc": "1955-07-16T02:01:33Z", "ms": -456443906891.5909 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:17 on Fri 15 Jul to 03:28 on Sat 16 Jul.", "fact": "1955-07-15T03:16:56Z → 1955-07-16T00:28:17Z" }, { "step": "kaala", "text": "Sunrise is at 05:01 on the 15th and 05:02 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 not on the 16th.", "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 4563 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Mosul, 1955: Friday 15 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": "1955-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-15", "confidence": "determinate" } ], "quote": "In Mosul, Kāmikā Ekādaśī 1955 falls on Friday 15 July. Ekādaśī runs from 06:17 on Fri 15 Jul to 03:28 on Sat 16 Jul, and is current at sunrise on neither day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-07-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-07-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1491, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-07-17T00:22:31+03:00", "utc": "1955-07-16T21:22:31Z", "ms": -456374249020.1869 }, "end": { "local": "1955-07-17T21:06:22+03:00", "utc": "1955-07-17T18:06:22Z", "ms": -456299618206.98035 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1955-07-17T00:22:31+03:00", "utc": "1955-07-16T21:22:31Z", "ms": -456374249020.1869 }, "end": { "local": "1955-07-17T21:06:22+03:00", "utc": "1955-07-17T18:06:22Z", "ms": -456299618206.98035 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-07-16", "window": { "start": { "local": "1955-07-16T19:24:53+03:00", "utc": "1955-07-16T16:24:53Z", "ms": -456392107499.98016 }, "end": { "local": "1955-07-16T20:41:51+03:00", "utc": "1955-07-16T17:41:51Z", "ms": -456387488649.81226 } }, "covered_min": 0, "window_min": 77, "qualifies": false }, { "local_date": "1955-07-17", "window": { "start": { "local": "1955-07-17T19:24:23+03:00", "utc": "1955-07-17T16:24:23Z", "ms": -456305737332.2719 }, "end": { "local": "1955-07-17T20:41:31+03:00", "utc": "1955-07-17T17:41:31Z", "ms": -456301108976.33966 } }, "covered_min": 77, "window_min": 77, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:23 on Sun 17 Jul to 21:06 on Sun 17 Jul.", "fact": "1955-07-16T21:22:31Z → 1955-07-17T18:06:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:25–20:42 on the 16th, 19:24–20:42 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 0 of 77 minutes on the 16th and 77 of 77 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 1491 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 1955: Sunday 17 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": "1955-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-17", "confidence": "determinate" } ], "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 1955 falls on Sunday 17 July. Trayodaśī runs from 00:23 on Sun 17 Jul to 21:06 on Sun 17 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-07-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/shivaratri?on=1955-07-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9797, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-07-17T21:06:22+03:00", "utc": "1955-07-17T18:06:22Z", "ms": -456299618206.98035 }, "end": { "local": "1955-07-18T17:47:32+03:00", "utc": "1955-07-18T14:47:32Z", "ms": -456225147783.26086 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1955-07-17T21:06:22+03:00", "utc": "1955-07-17T18:06:22Z", "ms": -456299618206.98035 }, "end": { "local": "1955-07-18T17:47:32+03:00", "utc": "1955-07-18T14:47:32Z", "ms": -456225147783.26086 } }, "kaala": "nishita", "days": [ { "local_date": "1955-07-17", "window": { "start": { "local": "1955-07-17T23:49:39+03:00", "utc": "1955-07-17T20:49:39Z", "ms": -456289820997.526 }, "end": { "local": "1955-07-18T00:37:39+03:00", "utc": "1955-07-17T21:37:39Z", "ms": -456286940997.526 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-07-18", "window": { "start": { "local": "1955-07-18T23:49:44+03:00", "utc": "1955-07-18T20:49:44Z", "ms": -456203415702.8353 }, "end": { "local": "1955-07-19T00:37:44+03:00", "utc": "1955-07-18T21:37:44Z", "ms": -456200535702.8353 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:06 on Sun 17 Jul to 17:48 on Mon 18 Jul.", "fact": "1955-07-17T18:06:22Z → 1955-07-18T14:47:32Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 17th, 23:50–00:38 on the 18th.", "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 17th and 0 of 48 on the 18th.", "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 9797 s" }, { "step": "ruling", "text": "Śivarātri, Mosul, 1955: Sunday 17 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": "1955-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-17", "confidence": "determinate" } ], "quote": "In Mosul, Śivarātri 1955 falls on Sunday 17 July. Caturdaśī runs from 21:06 on Sun 17 Jul to 17:48 on Mon 18 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/shivaratri?on=1955-07-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10056, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1955-07-21T09:01:59+03:00", "utc": "1955-07-21T06:01:59Z", "ms": -455997481116.78107 }, "end": { "local": "1955-07-22T07:00:13+03:00", "utc": "1955-07-22T04:00:13Z", "ms": -455918387343.06 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1955-07-21T09:01:59+03:00", "utc": "1955-07-21T06:01:59Z", "ms": -455997481116.78107 }, "end": { "local": "1955-07-22T07:00:13+03:00", "utc": "1955-07-22T04:00:13Z", "ms": -455918387343.06 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-07-21", "window": { "start": { "local": "1955-07-21T11:49:35+03:00", "utc": "1955-07-21T08:49:35Z", "ms": -455987425006.39075 }, "end": { "local": "1955-07-21T12:37:35+03:00", "utc": "1955-07-21T09:37:35Z", "ms": -455984545006.39075 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-07-22", "window": { "start": { "local": "1955-07-22T11:49:38+03:00", "utc": "1955-07-22T08:49:38Z", "ms": -455901022191.7123 }, "end": { "local": "1955-07-22T12:37:38+03:00", "utc": "1955-07-22T09:37:38Z", "ms": -455898142191.7123 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:02 on Thu 21 Jul to 07:00 on Fri 22 Jul.", "fact": "1955-07-21T06:01:59Z → 1955-07-22T04:00:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 21st, 11:50–12:38 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10056 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Mosul, 1955: Thursday 21 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": "1955-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-21", "confidence": "determinate" } ], "quote": "In Mosul, Madhusravā Tṛtīyā (Hariyali Teej) 1955 falls on Thursday 21 July. Tṛtīyā runs from 09:02 on Thu 21 Jul to 07:00 on Fri 22 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/vinayaka-chaturthi?on=1955-07-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17365, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-07-22T07:00:13+03:00", "utc": "1955-07-22T04:00:13Z", "ms": -455918387343.06 }, "end": { "local": "1955-07-23T05:38:34+03:00", "utc": "1955-07-23T02:38:34Z", "ms": -455836885787.4034 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1955-07-22T07:00:13+03:00", "utc": "1955-07-22T04:00:13Z", "ms": -455918387343.06 }, "end": { "local": "1955-07-23T05:38:34+03:00", "utc": "1955-07-23T02:38:34Z", "ms": -455836885787.4034 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-07-22", "window": { "start": { "local": "1955-07-22T11:49:38+03:00", "utc": "1955-07-22T08:49:38Z", "ms": -455901022191.7123 }, "end": { "local": "1955-07-22T12:37:38+03:00", "utc": "1955-07-22T09:37:38Z", "ms": -455898142191.7123 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-07-23", "window": { "start": { "local": "1955-07-23T11:49:40+03:00", "utc": "1955-07-23T08:49:40Z", "ms": -455814619949.5054 }, "end": { "local": "1955-07-23T12:37:40+03:00", "utc": "1955-07-23T09:37:40Z", "ms": -455811739949.5054 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:00 on Fri 22 Jul to 05:39 on Sat 23 Jul.", "fact": "1955-07-22T04:00:13Z → 1955-07-23T02:38:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 22nd, 11:50–12:38 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 17365 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mosul, 1955: Friday 22 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": "1955-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-22", "confidence": "determinate" } ], "quote": "In Mosul, Vināyaka Caturthī 1955 falls on Friday 22 July. Caturthī runs from 07:00 on Fri 22 Jul to 05:39 on Sat 23 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/vinayaka-chaturthi?on=1955-07-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22266, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1955-07-23T05:38:34+03:00", "utc": "1955-07-23T02:38:34Z", "ms": -455836885787.4034 }, "end": { "local": "1955-07-24T05:02:37+03:00", "utc": "1955-07-24T02:02:37Z", "ms": -455752642697.07526 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1955-07-23T05:38:34+03:00", "utc": "1955-07-23T02:38:34Z", "ms": -455836885787.4034 }, "end": { "local": "1955-07-24T05:02:37+03:00", "utc": "1955-07-24T02:02:37Z", "ms": -455752642697.07526 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-07-23", "window": { "start": { "local": "1955-07-23T11:49:40+03:00", "utc": "1955-07-23T08:49:40Z", "ms": -455814619949.5054 }, "end": { "local": "1955-07-23T12:37:40+03:00", "utc": "1955-07-23T09:37:40Z", "ms": -455811739949.5054 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-07-24", "window": { "start": { "local": "1955-07-24T11:49:42+03:00", "utc": "1955-07-24T08:49:42Z", "ms": -455728218289.60425 }, "end": { "local": "1955-07-24T12:37:42+03:00", "utc": "1955-07-24T09:37:42Z", "ms": -455725338289.60425 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:39 on Sat 23 Jul to 05:03 on Sun 24 Jul.", "fact": "1955-07-23T02:38:34Z → 1955-07-24T02:02:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 23rd, 11:50–12:38 on the 24th.", "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 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 22266 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Mosul, 1955: Saturday 23 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": "1955-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-23", "confidence": "determinate" } ], "quote": "In Mosul, Nāga Pañcamī 1955 falls on Saturday 23 July. Pañcamī runs from 05:39 on Sat 23 Jul to 05:03 on Sun 24 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-07-30", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26625, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-07-29T12:34:51+03:00", "utc": "1955-07-29T09:34:51Z", "ms": -455293509479.46674 }, "end": { "local": "1955-07-30T15:08:26+03:00", "utc": "1955-07-30T12:08:26Z", "ms": -455197894229.8049 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1955-07-29T12:34:51+03:00", "utc": "1955-07-29T09:34:51Z", "ms": -455293509479.46674 }, "end": { "local": "1955-07-30T15:08:26+03:00", "utc": "1955-07-30T12:08:26Z", "ms": -455197894229.8049 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-07-29", "window": { "start": { "local": "1955-07-29T05:11:06+03:00", "utc": "1955-07-29T02:11:06Z", "ms": -455320134254.7692 }, "end": { "local": "1955-07-29T05:11:06+03:00", "utc": "1955-07-29T02:11:06Z", "ms": -455320134254.7692 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-07-30", "window": { "start": { "local": "1955-07-30T05:11:53+03:00", "utc": "1955-07-30T02:11:53Z", "ms": -455233687448.04456 }, "end": { "local": "1955-07-30T05:11:53+03:00", "utc": "1955-07-30T02:11:53Z", "ms": -455233687448.04456 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:35 on Fri 29 Jul to 15:08 on Sat 30 Jul.", "fact": "1955-07-29T09:34:51Z → 1955-07-30T12:08:26Z" }, { "step": "kaala", "text": "Sunrise is at 05:11 on the 29th and 05:12 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 26625 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Mosul, 1955: Saturday 30 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": "1955-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-30", "confidence": "determinate" } ], "quote": "In Mosul, Putradā Ekādaśī 1955 falls on Saturday 30 July. Ekādaśī runs from 12:35 on Fri 29 Jul to 15:08 on Sat 30 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-07-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9047, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1955-07-30T15:08:26+03:00", "utc": "1955-07-30T12:08:26Z", "ms": -455197894229.8049 }, "end": { "local": "1955-07-31T17:33:19+03:00", "utc": "1955-07-31T14:33:19Z", "ms": -455102801126.83435 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1955-07-30T15:08:26+03:00", "utc": "1955-07-30T12:08:26Z", "ms": -455197894229.8049 }, "end": { "local": "1955-07-31T17:33:19+03:00", "utc": "1955-07-31T14:33:19Z", "ms": -455102801126.83435 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-07-30", "window": { "start": { "local": "1955-07-30T11:49:39+03:00", "utc": "1955-07-30T08:49:39Z", "ms": -455209820904.9972 }, "end": { "local": "1955-07-30T12:37:39+03:00", "utc": "1955-07-30T09:37:39Z", "ms": -455206940904.9972 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-07-31", "window": { "start": { "local": "1955-07-31T11:49:37+03:00", "utc": "1955-07-31T08:49:37Z", "ms": -455123423465.8613 }, "end": { "local": "1955-07-31T12:37:37+03:00", "utc": "1955-07-31T09:37:37Z", "ms": -455120543465.8613 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:08 on Sat 30 Jul to 17:33 on Sun 31 Jul.", "fact": "1955-07-30T12:08:26Z → 1955-07-31T14:33:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 30th, 11:50–12:38 on the 31st.", "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 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9047 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Mosul, 1955: Sunday 31 July.", "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": "1955-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-31", "confidence": "determinate" } ], "quote": "In Mosul, Dāmodara Dvādaśī 1955 falls on Sunday 31 July. Dvādaśī runs from 15:08 on Sat 30 Jul to 17:33 on Sun 31 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/pradosha-vrata?on=1955-07-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-07-31", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1534, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-07-31T17:33:19+03:00", "utc": "1955-07-31T14:33:19Z", "ms": -455102801126.83435 }, "end": { "local": "1955-08-01T19:39:14+03:00", "utc": "1955-08-01T16:39:14Z", "ms": -455008846149.32654 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1955-07-31T17:33:19+03:00", "utc": "1955-07-31T14:33:19Z", "ms": -455102801126.83435 }, "end": { "local": "1955-08-01T19:39:14+03:00", "utc": "1955-08-01T16:39:14Z", "ms": -455008846149.32654 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-07-31", "window": { "start": { "local": "1955-07-31T19:14:33+03:00", "utc": "1955-07-31T16:14:33Z", "ms": -455096726535.92365 }, "end": { "local": "1955-07-31T20:34:25+03:00", "utc": "1955-07-31T17:34:25Z", "ms": -455091935414.01105 } }, "covered_min": 80, "window_min": 80, "qualifies": true }, { "local_date": "1955-08-01", "window": { "start": { "local": "1955-08-01T19:13:40+03:00", "utc": "1955-08-01T16:13:40Z", "ms": -455010380148.4046 }, "end": { "local": "1955-08-01T20:33:44+03:00", "utc": "1955-08-01T17:33:44Z", "ms": -455005575548.2661 } }, "covered_min": 26, "window_min": 80, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:33 on Sun 31 Jul to 19:39 on Mon 1 Aug.", "fact": "1955-07-31T14:33:19Z → 1955-08-01T16:39:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:15–20:34 on the 31st, 19:14–20:34 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 80 of 80 minutes on the 31st and 26 of 80 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1534 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mosul, 1955: Sunday 31 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-07-31", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-07-31", "confidence": "boundary" } ], "quote": "In Mosul, Śukla Pradoṣa Vrata 1955 falls on Sunday 31 July. Trayodaśī runs from 17:33 on Sun 31 Jul to 19:39 on Mon 1 Aug and covers all of pradoṣa that evening. It also reaches the next evening for 26 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/mosul/festivals/1955/pradosha-vrata?on=1955-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17008, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-08-02T21:19:20+03:00", "utc": "1955-08-02T18:19:20Z", "ms": -454916440115.24896 }, "end": { "local": "1955-08-03T22:30:09+03:00", "utc": "1955-08-03T19:30:09Z", "ms": -454825791317.8953 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1955-08-03T09:58:30+03:00", "utc": "1955-08-03T06:58:30Z", "ms": -454870890094.42175 }, "end": { "local": "1955-08-03T22:30:09+03:00", "utc": "1955-08-03T19:30:09Z", "ms": -454825791317.8953 } }, "kaala": "day", "days": [ { "local_date": "1955-08-02", "window": { "start": { "local": "1955-08-02T05:14:14+03:00", "utc": "1955-08-02T02:14:14Z", "ms": -454974345647.3657 }, "end": { "local": "1955-08-03T05:15:02+03:00", "utc": "1955-08-03T02:15:02Z", "ms": -454887897993.55896 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1955-08-03", "window": { "start": { "local": "1955-08-03T05:15:02+03:00", "utc": "1955-08-03T02:15:02Z", "ms": -454887897993.55896 }, "end": { "local": "1955-08-04T05:15:50+03:00", "utc": "1955-08-04T02:15:50Z", "ms": -454801450178.986 } }, "covered_min": 752, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:19 on Tue 2 Aug to 22:30 on Wed 3 Aug. Its second half begins at 09:58 on Wed 3 Aug.", "fact": "1955-08-02T18:19:20Z → 1955-08-03T19:30:09Z · second half from 1955-08-03T06:58:30Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:14 on the 2nd, and from 05:15 on the 3rd.", "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 0 of 1441 minutes on the 2nd and 752 of 1441 on the 3rd.", "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 17008 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Mosul, 1955: Wednesday 3 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": "1955-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-03", "confidence": "determinate" } ], "quote": "In Mosul, Rakṣā Bandhana (Rakhi) 1955 falls on Wednesday 3 August. The second half of Pūrṇimā runs from 09:58 on Wed 3 Aug to 22:30 on Wed 3 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31310, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-08-02T21:19:20+03:00", "utc": "1955-08-02T18:19:20Z", "ms": -454916440115.24896 }, "end": { "local": "1955-08-03T22:30:09+03:00", "utc": "1955-08-03T19:30:09Z", "ms": -454825791317.8953 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1955-08-02T21:19:20+03:00", "utc": "1955-08-02T18:19:20Z", "ms": -454916440115.24896 }, "end": { "local": "1955-08-03T22:30:09+03:00", "utc": "1955-08-03T19:30:09Z", "ms": -454825791317.8953 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-08-02", "window": { "start": { "local": "1955-08-02T11:49:30+03:00", "utc": "1955-08-02T08:49:30Z", "ms": -454950630410.2717 }, "end": { "local": "1955-08-02T12:37:30+03:00", "utc": "1955-08-02T09:37:30Z", "ms": -454947750410.2717 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-08-03", "window": { "start": { "local": "1955-08-03T11:49:25+03:00", "utc": "1955-08-03T08:49:25Z", "ms": -454864234788.49567 }, "end": { "local": "1955-08-03T12:37:25+03:00", "utc": "1955-08-03T09:37:25Z", "ms": -454861354788.49567 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:19 on Tue 2 Aug to 22:30 on Wed 3 Aug.", "fact": "1955-08-02T18:19:20Z → 1955-08-03T19:30:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 2nd, 11:49–12:37 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31310 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Mosul, 1955: Wednesday 3 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": "1955-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-03", "confidence": "determinate" } ], "quote": "In Mosul, Ṛṣi Tarpaṇa 1955 falls on Wednesday 3 August. Pūrṇimā runs from 21:19 on Tue 2 Aug to 22:30 on Wed 3 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12734, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1955-08-04T23:10:58+03:00", "utc": "1955-08-04T20:10:58Z", "ms": -454736942418.7052 }, "end": { "local": "1955-08-05T23:22:57+03:00", "utc": "1955-08-05T20:22:57Z", "ms": -454649822744.5195 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-08-04T23:10:58+03:00", "utc": "1955-08-04T20:10:58Z", "ms": -454736942418.7052 }, "end": { "local": "1955-08-05T23:22:57+03:00", "utc": "1955-08-05T20:22:57Z", "ms": -454649822744.5195 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-08-04", "window": { "start": { "local": "1955-08-04T19:20:51+03:00", "utc": "1955-08-04T16:20:51Z", "ms": -454750749465.7511 }, "end": { "local": "1955-08-04T19:20:51+03:00", "utc": "1955-08-04T16:20:51Z", "ms": -454750749465.7511 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-08-05", "window": { "start": { "local": "1955-08-05T19:50:43+03:00", "utc": "1955-08-05T16:50:43Z", "ms": -454662556828.8487 }, "end": { "local": "1955-08-05T19:50:43+03:00", "utc": "1955-08-05T16:50:43Z", "ms": -454662556828.8487 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 23:11 on Thu 4 Aug to 23:23 on Fri 5 Aug.", "fact": "1955-08-04T20:10:58Z → 1955-08-05T20:22:57Z" }, { "step": "kaala", "text": "Moonrise is at 19:21 on the 4th and 19:51 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12734 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Mosul, 1955: Friday 5 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-05", "confidence": "determinate" } ], "quote": "In Mosul, Aśūnya Śayana Vrata 1955 falls on Friday 5 August. Dvitīyā runs from 23:11 on Thu 4 Aug to 23:23 on Fri 5 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37871, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1955-08-05T23:22:57+03:00", "utc": "1955-08-05T20:22:57Z", "ms": -454649822744.5195 }, "end": { "local": "1955-08-06T23:08:19+03:00", "utc": "1955-08-06T20:08:19Z", "ms": -454564300836.6109 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-08-05T23:22:57+03:00", "utc": "1955-08-05T20:22:57Z", "ms": -454649822744.5195 }, "end": { "local": "1955-08-06T23:08:19+03:00", "utc": "1955-08-06T20:08:19Z", "ms": -454564300836.6109 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-08-05", "window": { "start": { "local": "1955-08-05T11:49:15+03:00", "utc": "1955-08-05T08:49:15Z", "ms": -454691445335.7827 }, "end": { "local": "1955-08-05T12:37:15+03:00", "utc": "1955-08-05T09:37:15Z", "ms": -454688565335.7827 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-08-06", "window": { "start": { "local": "1955-08-06T11:49:09+03:00", "utc": "1955-08-06T08:49:09Z", "ms": -454605051493.4909 }, "end": { "local": "1955-08-06T12:37:09+03:00", "utc": "1955-08-06T09:37:09Z", "ms": -454602171493.4909 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:23 on Fri 5 Aug to 23:08 on Sat 6 Aug.", "fact": "1955-08-05T20:22:57Z → 1955-08-06T20:08:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 5th, 11:49–12:37 on the 6th.", "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 5th and 48 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: paraviddha → only-day · margin 37871 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Mosul, 1955: Saturday 6 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": "1955-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-06", "confidence": "determinate" } ], "quote": "In Mosul, Kajjalī Tṛtīyā (Kajari Teej) 1955 falls on Saturday 6 August. Tṛtīyā runs from 23:23 on Fri 5 Aug to 23:08 on Sat 6 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12103, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-08-06T23:08:19+03:00", "utc": "1955-08-06T20:08:19Z", "ms": -454564300836.6109 }, "end": { "local": "1955-08-07T22:29:32+03:00", "utc": "1955-08-07T19:29:32Z", "ms": -454480227800.406 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-08-06T23:08:19+03:00", "utc": "1955-08-06T20:08:19Z", "ms": -454564300836.6109 }, "end": { "local": "1955-08-07T22:29:32+03:00", "utc": "1955-08-07T19:29:32Z", "ms": -454480227800.406 } }, "kaala": "sayahna", "days": [ { "local_date": "1955-08-06", "window": { "start": { "local": "1955-08-06T16:22:34+03:00", "utc": "1955-08-06T13:22:34Z", "ms": -454588645908.3226 }, "end": { "local": "1955-08-06T19:08:51+03:00", "utc": "1955-08-06T16:08:51Z", "ms": -454578668851.5437 } }, "covered_min": 0, "window_min": 166, "qualifies": false }, { "local_date": "1955-08-07", "window": { "start": { "local": "1955-08-07T16:21:54+03:00", "utc": "1955-08-07T13:21:54Z", "ms": -454502285608.34955 }, "end": { "local": "1955-08-07T19:07:49+03:00", "utc": "1955-08-07T16:07:49Z", "ms": -454492330526.13745 } }, "covered_min": 166, "window_min": 166, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:08 on Sat 6 Aug to 22:30 on Sun 7 Aug.", "fact": "1955-08-06T20:08:19Z → 1955-08-07T19:29:32Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:23–19:09 on the 6th, 16:22–19:08 on the 7th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 166 minutes on the 6th and 166 of 166 on the 7th.", "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 12103 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Mosul, 1955: Sunday 7 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-07", "confidence": "determinate" } ], "quote": "In Mosul, Bahulā Caturthī 1955 falls on Sunday 7 August. Caturthī runs from 23:08 on Sat 6 Aug to 22:30 on Sun 7 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/sankashta-chaturthi?on=1955-08-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5982, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-08-06T23:08:19+03:00", "utc": "1955-08-06T20:08:19Z", "ms": -454564300836.6109 }, "end": { "local": "1955-08-07T22:29:32+03:00", "utc": "1955-08-07T19:29:32Z", "ms": -454480227800.406 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-08-06T23:08:19+03:00", "utc": "1955-08-06T20:08:19Z", "ms": -454564300836.6109 }, "end": { "local": "1955-08-07T22:29:32+03:00", "utc": "1955-08-07T19:29:32Z", "ms": -454480227800.406 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-08-06", "window": { "start": { "local": "1955-08-06T20:19:59+03:00", "utc": "1955-08-06T17:19:59Z", "ms": -454574401032.1463 }, "end": { "local": "1955-08-06T20:19:59+03:00", "utc": "1955-08-06T17:19:59Z", "ms": -454574401032.1463 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-08-07", "window": { "start": { "local": "1955-08-07T20:49:50+03:00", "utc": "1955-08-07T17:49:50Z", "ms": -454486209834.37714 }, "end": { "local": "1955-08-07T20:49:50+03:00", "utc": "1955-08-07T17:49:50Z", "ms": -454486209834.37714 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:08 on Sat 6 Aug to 22:30 on Sun 7 Aug.", "fact": "1955-08-06T20:08:19Z → 1955-08-07T19:29:32Z" }, { "step": "kaala", "text": "Moonrise is at 20:20 on the 6th and 20:50 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 5982 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mosul, 1955: Sunday 7 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": "1955-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-07", "confidence": "determinate" } ], "quote": "In Mosul, Saṅkaṣṭa Caturthī 1955 falls on Sunday 7 August. Caturthī runs from 23:08 on Sat 6 Aug to 22:30 on Sun 7 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/sankashta-chaturthi?on=1955-08-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27088, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1955-08-08T21:28:53+03:00", "utc": "1955-08-08T18:28:53Z", "ms": -454397466626.3097 }, "end": { "local": "1955-08-09T20:08:14+03:00", "utc": "1955-08-09T17:08:14Z", "ms": -454315905716.3854 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-08-08T21:28:53+03:00", "utc": "1955-08-08T18:28:53Z", "ms": -454397466626.3097 }, "end": { "local": "1955-08-09T20:08:14+03:00", "utc": "1955-08-09T17:08:14Z", "ms": -454315905716.3854 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-08-08", "window": { "start": { "local": "1955-08-08T11:48:54+03:00", "utc": "1955-08-08T08:48:54Z", "ms": -454432265542.8805 }, "end": { "local": "1955-08-08T12:36:54+03:00", "utc": "1955-08-08T09:36:54Z", "ms": -454429385542.8805 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-08-09", "window": { "start": { "local": "1955-08-09T11:48:47+03:00", "utc": "1955-08-09T08:48:47Z", "ms": -454345873419.34595 }, "end": { "local": "1955-08-09T12:36:47+03:00", "utc": "1955-08-09T09:36:47Z", "ms": -454342993419.34595 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:29 on Mon 8 Aug to 20:08 on Tue 9 Aug.", "fact": "1955-08-08T18:28:53Z → 1955-08-09T17:08:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 8th, 11:49–12:37 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27088 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Mosul, 1955: Tuesday 9 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": "1955-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-09", "confidence": "determinate" } ], "quote": "In Mosul, Hala Ṣaṣṭhī 1955 falls on Tuesday 9 August. Ṣaṣṭhī runs from 21:29 on Mon 8 Aug to 20:08 on Tue 9 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19200, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1955-08-10T18:29:03+03:00", "utc": "1955-08-10T15:29:03Z", "ms": -454235457104.61664 }, "end": { "local": "1955-08-11T16:32:38+03:00", "utc": "1955-08-11T13:32:38Z", "ms": -454156041986.3748 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-08-10T18:29:03+03:00", "utc": "1955-08-10T15:29:03Z", "ms": -454235457104.61664 }, "end": { "local": "1955-08-11T16:32:38+03:00", "utc": "1955-08-11T13:32:38Z", "ms": -454156041986.3748 } }, "kaala": "nishita", "days": [ { "local_date": "1955-08-10", "window": { "start": { "local": "1955-08-10T23:49:02+03:00", "utc": "1955-08-10T20:49:02Z", "ms": -454216257596.5895 }, "end": { "local": "1955-08-11T00:37:02+03:00", "utc": "1955-08-10T21:37:02Z", "ms": -454213377596.5895 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-08-11", "window": { "start": { "local": "1955-08-11T23:48:53+03:00", "utc": "1955-08-11T20:48:53Z", "ms": -454129866557.6207 }, "end": { "local": "1955-08-12T00:36:53+03:00", "utc": "1955-08-11T21:36:53Z", "ms": -454126986557.6207 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 18:29 on Wed 10 Aug to 16:33 on Thu 11 Aug.", "fact": "1955-08-10T15:29:03Z → 1955-08-11T13:32:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 10th, 23:49–00:37 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19200 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Mosul, 1955: Wednesday 10 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": "1955-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-10", "confidence": "determinate" } ], "quote": "In Mosul, Janmāṣṭamī 1955 falls on Wednesday 10 August. Aṣṭamī runs from 18:29 on Wed 10 Aug to 16:33 on Thu 11 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21145, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1955-08-09T20:08:14+03:00", "utc": "1955-08-09T17:08:14Z", "ms": -454315905716.3854 }, "end": { "local": "1955-08-10T18:29:03+03:00", "utc": "1955-08-10T15:29:03Z", "ms": -454235457104.61664 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-08-09T20:08:14+03:00", "utc": "1955-08-09T17:08:14Z", "ms": -454315905716.3854 }, "end": { "local": "1955-08-10T18:29:03+03:00", "utc": "1955-08-10T15:29:03Z", "ms": -454235457104.61664 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-08-09", "window": { "start": { "local": "1955-08-09T11:48:47+03:00", "utc": "1955-08-09T08:48:47Z", "ms": -454345873419.34595 }, "end": { "local": "1955-08-09T12:36:47+03:00", "utc": "1955-08-09T09:36:47Z", "ms": -454342993419.34595 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-08-10", "window": { "start": { "local": "1955-08-10T11:48:38+03:00", "utc": "1955-08-10T08:48:38Z", "ms": -454259481853.1703 }, "end": { "local": "1955-08-10T12:36:38+03:00", "utc": "1955-08-10T09:36:38Z", "ms": -454256601853.1703 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:08 on Tue 9 Aug to 18:29 on Wed 10 Aug.", "fact": "1955-08-09T17:08:14Z → 1955-08-10T15:29:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 9th, 11:49–12:37 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21145 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Mosul, 1955: Wednesday 10 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": "1955-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-10", "confidence": "determinate" } ], "quote": "In Mosul, Śītalā Saptamī 1955 falls on Wednesday 10 August. Saptamī runs from 20:08 on Tue 9 Aug to 18:29 on Wed 10 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-08-14", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14103, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-08-13T11:54:55+03:00", "utc": "1955-08-13T08:54:55Z", "ms": -453999905247.8647 }, "end": { "local": "1955-08-14T09:18:57+03:00", "utc": "1955-08-14T06:18:57Z", "ms": -453922863289.6901 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-08-13T11:54:55+03:00", "utc": "1955-08-13T08:54:55Z", "ms": -453999905247.8647 }, "end": { "local": "1955-08-14T09:18:57+03:00", "utc": "1955-08-14T06:18:57Z", "ms": -453922863289.6901 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-08-13", "window": { "start": { "local": "1955-08-13T05:23:05+03:00", "utc": "1955-08-13T02:23:05Z", "ms": -454023415144.00494 }, "end": { "local": "1955-08-13T05:23:05+03:00", "utc": "1955-08-13T02:23:05Z", "ms": -454023415144.00494 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-08-14", "window": { "start": { "local": "1955-08-14T05:23:53+03:00", "utc": "1955-08-14T02:23:53Z", "ms": -453936966540.754 }, "end": { "local": "1955-08-14T05:23:53+03:00", "utc": "1955-08-14T02:23:53Z", "ms": -453936966540.754 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:55 on Sat 13 Aug to 09:19 on Sun 14 Aug.", "fact": "1955-08-13T08:54:55Z → 1955-08-14T06:18:57Z" }, { "step": "kaala", "text": "Sunrise is at 05:23 on the 13th and 05:24 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14103 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Mosul, 1955: Sunday 14 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": "1955-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-14", "confidence": "determinate" } ], "quote": "In Mosul, Ajā Ekādaśī 1955 falls on Sunday 14 August. Ekādaśī runs from 11:55 on Sat 13 Aug to 09:19 on Sun 14 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-08-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27142, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-08-15T06:37:01+03:00", "utc": "1955-08-15T03:37:01Z", "ms": -453846179004.1494 }, "end": { "local": "1955-08-16T03:54:48+03:00", "utc": "1955-08-16T00:54:48Z", "ms": -453769511582.24194 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-08-15T06:37:01+03:00", "utc": "1955-08-15T03:37:01Z", "ms": -453846179004.1494 }, "end": { "local": "1955-08-16T03:54:48+03:00", "utc": "1955-08-16T00:54:48Z", "ms": -453769511582.24194 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-08-14", "window": { "start": { "local": "1955-08-14T19:00:05+03:00", "utc": "1955-08-14T16:00:05Z", "ms": -453887995486.41296 }, "end": { "local": "1955-08-14T20:23:22+03:00", "utc": "1955-08-14T17:23:22Z", "ms": -453882998479.9742 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "1955-08-15", "window": { "start": { "local": "1955-08-15T18:58:54+03:00", "utc": "1955-08-15T15:58:54Z", "ms": -453801666317.3735 }, "end": { "local": "1955-08-15T20:22:27+03:00", "utc": "1955-08-15T17:22:27Z", "ms": -453796653388.64136 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:37 on Mon 15 Aug to 03:55 on Tue 16 Aug.", "fact": "1955-08-15T03:37:01Z → 1955-08-16T00:54:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:00–20:23 on the 14th, 18:59–20:22 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 83 minutes on the 14th and 84 of 84 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 27142 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 1955: Monday 15 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": "1955-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-15", "confidence": "determinate" } ], "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 1955 falls on Monday 15 August. Trayodaśī runs from 06:37 on Mon 15 Aug to 03:55 on Tue 16 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-08-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17861, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-08-16T03:54:48+03:00", "utc": "1955-08-16T00:54:48Z", "ms": -453769511582.24194 }, "end": { "local": "1955-08-17T01:19:12+03:00", "utc": "1955-08-16T22:19:12Z", "ms": -453692448413.4246 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-08-16T03:54:48+03:00", "utc": "1955-08-16T00:54:48Z", "ms": -453769511582.24194 }, "end": { "local": "1955-08-17T01:19:12+03:00", "utc": "1955-08-16T22:19:12Z", "ms": -453692448413.4246 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-08-15", "window": { "start": { "local": "1955-08-15T18:58:54+03:00", "utc": "1955-08-15T15:58:54Z", "ms": -453801666317.3735 }, "end": { "local": "1955-08-15T20:22:27+03:00", "utc": "1955-08-15T17:22:27Z", "ms": -453796653388.64136 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "1955-08-16", "window": { "start": { "local": "1955-08-16T18:57:42+03:00", "utc": "1955-08-16T15:57:42Z", "ms": -453715338169.66907 }, "end": { "local": "1955-08-16T20:21:31+03:00", "utc": "1955-08-16T17:21:31Z", "ms": -453710309186.70056 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:55 on Tue 16 Aug to 01:19 on Wed 17 Aug.", "fact": "1955-08-16T00:54:48Z → 1955-08-16T22:19:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:22 on the 15th, 18:58–20:22 on the 16th.", "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 84 minutes on the 15th and 84 of 84 on the 16th.", "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 17861 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Mosul, 1955: Tuesday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-16", "confidence": "determinate" } ], "quote": "In Mosul, Aghora Caturdaśī 1955 falls on Tuesday 16 August. Caturdaśī runs from 03:55 on Tue 16 Aug to 01:19 on Wed 17 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/shivaratri?on=1955-08-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2591, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-08-16T03:54:48+03:00", "utc": "1955-08-16T00:54:48Z", "ms": -453769511582.24194 }, "end": { "local": "1955-08-17T01:19:12+03:00", "utc": "1955-08-16T22:19:12Z", "ms": -453692448413.4246 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-08-16T03:54:48+03:00", "utc": "1955-08-16T00:54:48Z", "ms": -453769511582.24194 }, "end": { "local": "1955-08-17T01:19:12+03:00", "utc": "1955-08-16T22:19:12Z", "ms": -453692448413.4246 } }, "kaala": "nishita", "days": [ { "local_date": "1955-08-15", "window": { "start": { "local": "1955-08-15T23:48:12+03:00", "utc": "1955-08-15T20:48:12Z", "ms": -453784307834.628 }, "end": { "local": "1955-08-16T00:36:12+03:00", "utc": "1955-08-15T21:36:12Z", "ms": -453781427834.628 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-08-16", "window": { "start": { "local": "1955-08-16T23:48:01+03:00", "utc": "1955-08-16T20:48:01Z", "ms": -453697919483.53723 }, "end": { "local": "1955-08-17T00:36:01+03:00", "utc": "1955-08-16T21:36:01Z", "ms": -453695039483.53723 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:55 on Tue 16 Aug to 01:19 on Wed 17 Aug.", "fact": "1955-08-16T00:54:48Z → 1955-08-16T22:19:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 15th, 23:48–00:36 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 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2591 s" }, { "step": "ruling", "text": "Śivarātri, Mosul, 1955: Tuesday 16 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": "1955-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-16", "confidence": "determinate" } ], "quote": "In Mosul, Śivarātri 1955 falls on Tuesday 16 August. Caturdaśī runs from 03:55 on Tue 16 Aug to 01:19 on Wed 17 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/shivaratri?on=1955-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/ekadashi?on=1955-08-29", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1948, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-08-28T06:07:36+03:00", "utc": "1955-08-28T03:07:36Z", "ms": -452724743874.7243 }, "end": { "local": "1955-08-29T08:14:35+03:00", "utc": "1955-08-29T05:14:35Z", "ms": -452630724597.79614 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": true, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-08-28T06:07:36+03:00", "utc": "1955-08-28T03:07:36Z", "ms": -452724743874.7243 }, "end": { "local": "1955-08-29T08:14:35+03:00", "utc": "1955-08-29T05:14:35Z", "ms": -452630724597.79614 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-08-28", "window": { "start": { "local": "1955-08-28T05:35:08+03:00", "utc": "1955-08-28T02:35:08Z", "ms": -452726691799.5175 }, "end": { "local": "1955-08-28T05:35:08+03:00", "utc": "1955-08-28T02:35:08Z", "ms": -452726691799.5175 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-08-29", "window": { "start": { "local": "1955-08-29T05:35:56+03:00", "utc": "1955-08-29T02:35:56Z", "ms": -452640244297.36316 }, "end": { "local": "1955-08-29T05:35:56+03:00", "utc": "1955-08-29T02:35:56Z", "ms": -452640244297.36316 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:08 on Sun 28 Aug to 08:15 on Mon 29 Aug.", "fact": "1955-08-28T03:07:36Z → 1955-08-29T05:14:35Z" }, { "step": "kaala", "text": "Sunrise is at 05:35 on the 28th and 05:36 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 1948 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Mosul, 1955: Monday 29 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": "1955-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-29", "confidence": "determinate" } ], "quote": "In Mosul, Śukla Ekādaśī 1955 falls on Monday 29 August. Ekādaśī runs from 06:08 on Sun 28 Aug to 08:15 on Mon 29 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-08-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-08-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28046, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-08-30T09:50:47+03:00", "utc": "1955-08-30T06:50:47Z", "ms": -452538552528.02167 }, "end": { "local": "1955-08-31T10:50:33+03:00", "utc": "1955-08-31T07:50:33Z", "ms": -452448566561.25464 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": true, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-08-30T09:50:47+03:00", "utc": "1955-08-30T06:50:47Z", "ms": -452538552528.02167 }, "end": { "local": "1955-08-31T10:50:33+03:00", "utc": "1955-08-31T07:50:33Z", "ms": -452448566561.25464 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-08-30", "window": { "start": { "local": "1955-08-30T18:39:23+03:00", "utc": "1955-08-30T15:39:23Z", "ms": -452506836686.6759 }, "end": { "local": "1955-08-30T20:07:08+03:00", "utc": "1955-08-30T17:07:08Z", "ms": -452501571738.43646 } }, "covered_min": 88, "window_min": 88, "qualifies": true }, { "local_date": "1955-08-31", "window": { "start": { "local": "1955-08-31T18:37:59+03:00", "utc": "1955-08-31T15:37:59Z", "ms": -452420520640.78314 }, "end": { "local": "1955-08-31T20:06:02+03:00", "utc": "1955-08-31T17:06:02Z", "ms": -452415238200.9485 } }, "covered_min": 0, "window_min": 88, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:51 on Tue 30 Aug to 10:51 on Wed 31 Aug.", "fact": "1955-08-30T06:50:47Z → 1955-08-31T07:50:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:07 on the 30th, 18:38–20:06 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 88 of 88 minutes on the 30th and 0 of 88 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 28046 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mosul, 1955: Tuesday 30 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": "1955-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-08-30", "confidence": "determinate" } ], "quote": "In Mosul, Śukla Pradoṣa Vrata 1955 falls on Tuesday 30 August. Trayodaśī runs from 09:51 on Tue 30 Aug to 10:51 on Wed 31 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-08-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/sankashta-chaturthi?on=1955-09-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35702, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-09-05T07:36:40+03:00", "utc": "1955-09-05T04:36:40Z", "ms": -452028200379.3024 }, "end": { "local": "1955-09-06T05:53:58+03:00", "utc": "1955-09-06T02:53:58Z", "ms": -451947961948.1962 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": true, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-05T07:36:40+03:00", "utc": "1955-09-05T04:36:40Z", "ms": -452028200379.3024 }, "end": { "local": "1955-09-06T05:53:58+03:00", "utc": "1955-09-06T02:53:58Z", "ms": -451947961948.1962 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-09-04", "window": { "start": { "local": "1955-09-04T19:24:13+03:00", "utc": "1955-09-04T16:24:13Z", "ms": -452072146990.6371 }, "end": { "local": "1955-09-04T19:24:13+03:00", "utc": "1955-09-04T16:24:13Z", "ms": -452072146990.6371 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-09-05", "window": { "start": { "local": "1955-09-05T19:58:56+03:00", "utc": "1955-09-05T16:58:56Z", "ms": -451983663724.30225 }, "end": { "local": "1955-09-05T19:58:56+03:00", "utc": "1955-09-05T16:58:56Z", "ms": -451983663724.30225 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:37 on Mon 5 Sep to 05:54 on Tue 6 Sep.", "fact": "1955-09-05T04:36:40Z → 1955-09-06T02:53:58Z" }, { "step": "kaala", "text": "Moonrise is at 19:24 on the 4th and 19:59 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 35702 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mosul, 1955: Monday 5 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": "1955-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-05", "confidence": "determinate" } ], "quote": "In Mosul, Saṅkaṣṭa Caturthī 1955 falls on Monday 5 September. Caturthī runs from 07:37 on Mon 5 Sep to 05:54 on Tue 6 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/sankashta-chaturthi?on=1955-09-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/ekadashi?on=1955-09-12", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35690, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-09-11T17:45:04+03:00", "utc": "1955-09-11T14:45:04Z", "ms": -451473295775.3909 }, "end": { "local": "1955-09-12T15:41:45+03:00", "utc": "1955-09-12T12:41:45Z", "ms": -451394294916.80444 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": true, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-11T17:45:04+03:00", "utc": "1955-09-11T14:45:04Z", "ms": -451473295775.3909 }, "end": { "local": "1955-09-12T15:41:45+03:00", "utc": "1955-09-12T12:41:45Z", "ms": -451394294916.80444 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-09-11", "window": { "start": { "local": "1955-09-11T05:46:08+03:00", "utc": "1955-09-11T02:46:08Z", "ms": -451516432344.5724 }, "end": { "local": "1955-09-11T05:46:08+03:00", "utc": "1955-09-11T02:46:08Z", "ms": -451516432344.5724 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-09-12", "window": { "start": { "local": "1955-09-12T05:46:55+03:00", "utc": "1955-09-12T02:46:55Z", "ms": -451429985349.46014 }, "end": { "local": "1955-09-12T05:46:55+03:00", "utc": "1955-09-12T02:46:55Z", "ms": -451429985349.46014 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:45 on Sun 11 Sep to 15:42 on Mon 12 Sep.", "fact": "1955-09-11T14:45:04Z → 1955-09-12T12:41:45Z" }, { "step": "kaala", "text": "Sunrise is at 05:46 on the 11th and 05:47 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35690 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Mosul, 1955: Monday 12 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": "1955-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-12", "confidence": "determinate" } ], "quote": "In Mosul, Kṛṣṇa Ekādaśī 1955 falls on Monday 12 September. Ekādaśī runs from 17:45 on Sun 11 Sep to 15:42 on Mon 12 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-09-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-09-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16490, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-09-13T13:44:17+03:00", "utc": "1955-09-13T10:44:17Z", "ms": -451314942594.96576 }, "end": { "local": "1955-09-14T11:57:23+03:00", "utc": "1955-09-14T08:57:23Z", "ms": -451234957495.0509 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": true, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-13T13:44:17+03:00", "utc": "1955-09-13T10:44:17Z", "ms": -451314942594.96576 }, "end": { "local": "1955-09-14T11:57:23+03:00", "utc": "1955-09-14T08:57:23Z", "ms": -451234957495.0509 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-09-13", "window": { "start": { "local": "1955-09-13T18:19:07+03:00", "utc": "1955-09-13T15:19:07Z", "ms": -451298453019.2486 }, "end": { "local": "1955-09-13T19:51:02+03:00", "utc": "1955-09-13T16:51:02Z", "ms": -451292938117.86096 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1955-09-14", "window": { "start": { "local": "1955-09-14T18:17:38+03:00", "utc": "1955-09-14T15:17:38Z", "ms": -451212142222.2016 }, "end": { "local": "1955-09-14T19:49:51+03:00", "utc": "1955-09-14T16:49:51Z", "ms": -451206609146.209 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:44 on Tue 13 Sep to 11:57 on Wed 14 Sep.", "fact": "1955-09-13T10:44:17Z → 1955-09-14T08:57:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:51 on the 13th, 18:18–19:50 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 13th and 0 of 92 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16490 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 1955: Tuesday 13 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": "1955-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-13", "confidence": "determinate" } ], "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 1955 falls on Tuesday 13 September. Trayodaśī runs from 13:44 on Tue 13 Sep to 11:57 on Wed 14 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-09-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/shivaratri?on=1955-09-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35963, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-09-14T11:57:23+03:00", "utc": "1955-09-14T08:57:23Z", "ms": -451234957495.0509 }, "end": { "local": "1955-09-15T10:26:50+03:00", "utc": "1955-09-15T07:26:50Z", "ms": -451153990256.99084 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": true, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-14T11:57:23+03:00", "utc": "1955-09-14T08:57:23Z", "ms": -451234957495.0509 }, "end": { "local": "1955-09-15T10:26:50+03:00", "utc": "1955-09-15T07:26:50Z", "ms": -451153990256.99084 } }, "kaala": "nishita", "days": [ { "local_date": "1955-09-13", "window": { "start": { "local": "1955-09-13T23:39:48+03:00", "utc": "1955-09-13T20:39:48Z", "ms": -451279212139.0449 }, "end": { "local": "1955-09-14T00:27:48+03:00", "utc": "1955-09-13T21:27:48Z", "ms": -451276332139.0449 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-09-14", "window": { "start": { "local": "1955-09-14T23:39:27+03:00", "utc": "1955-09-14T20:39:27Z", "ms": -451192833187.22925 }, "end": { "local": "1955-09-15T00:27:27+03:00", "utc": "1955-09-14T21:27:27Z", "ms": -451189953187.22925 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:57 on Wed 14 Sep to 10:27 on Thu 15 Sep.", "fact": "1955-09-14T08:57:23Z → 1955-09-15T07:26:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 13th, 23:39–00:27 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35963 s" }, { "step": "ruling", "text": "Śivarātri, Mosul, 1955: Wednesday 14 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": "1955-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-14", "confidence": "determinate" } ], "quote": "In Mosul, Śivarātri 1955 falls on Wednesday 14 September. Caturdaśī runs from 11:57 on Wed 14 Sep to 10:27 on Thu 15 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/shivaratri?on=1955-09-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8348, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1955-09-16T09:19:13+03:00", "utc": "1955-09-16T06:19:13Z", "ms": -451071647002.5721 }, "end": { "local": "1955-09-17T08:41:12+03:00", "utc": "1955-09-17T05:41:12Z", "ms": -450987528125.8696 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-16T09:19:13+03:00", "utc": "1955-09-16T06:19:13Z", "ms": -451071647002.5721 }, "end": { "local": "1955-09-17T08:41:12+03:00", "utc": "1955-09-17T05:41:12Z", "ms": -450987528125.8696 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-09-16", "window": { "start": { "local": "1955-09-16T11:38:21+03:00", "utc": "1955-09-16T08:38:21Z", "ms": -451063299039.0056 }, "end": { "local": "1955-09-16T12:26:21+03:00", "utc": "1955-09-16T09:26:21Z", "ms": -451060419039.0056 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-09-17", "window": { "start": { "local": "1955-09-17T11:38:00+03:00", "utc": "1955-09-17T08:38:00Z", "ms": -450976920237.0956 }, "end": { "local": "1955-09-17T12:26:00+03:00", "utc": "1955-09-17T09:26:00Z", "ms": -450974040237.0956 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:19 on Fri 16 Sep to 08:41 on Sat 17 Sep.", "fact": "1955-09-16T06:19:13Z → 1955-09-17T05:41:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 16th, 11:38–12:26 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8348 s" }, { "step": "ruling", "text": "Rudra Vrata, Mosul, 1955: Friday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-16", "confidence": "determinate" } ], "quote": "In Mosul, Rudra Vrata 1955 falls on Friday 16 September. Pratipadā runs from 09:19 on Fri 16 Sep to 08:41 on Sat 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8513, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1955-09-18T08:38:38+03:00", "utc": "1955-09-18T05:38:38Z", "ms": -450901282431.4232 }, "end": { "local": "1955-09-19T09:15:25+03:00", "utc": "1955-09-19T06:15:25Z", "ms": -450812675323.12775 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-18T08:38:38+03:00", "utc": "1955-09-18T05:38:38Z", "ms": -450901282431.4232 }, "end": { "local": "1955-09-19T09:15:25+03:00", "utc": "1955-09-19T06:15:25Z", "ms": -450812675323.12775 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-09-18", "window": { "start": { "local": "1955-09-18T11:37:39+03:00", "utc": "1955-09-18T08:37:39Z", "ms": -450890541445.8285 }, "end": { "local": "1955-09-18T12:25:39+03:00", "utc": "1955-09-18T09:25:39Z", "ms": -450887661445.8285 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-09-19", "window": { "start": { "local": "1955-09-19T11:37:17+03:00", "utc": "1955-09-19T08:37:17Z", "ms": -450804162648.7708 }, "end": { "local": "1955-09-19T12:25:17+03:00", "utc": "1955-09-19T09:25:17Z", "ms": -450801282648.7708 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 08:39 on Sun 18 Sep to 09:15 on Mon 19 Sep.", "fact": "1955-09-18T05:38:38Z → 1955-09-19T06:15:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 18th, 11:37–12:25 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8513 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Mosul, 1955: Sunday 18 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-18", "confidence": "determinate" } ], "quote": "In Mosul, Haritālikā Vrata (Hartalika Teej) 1955 falls on Sunday 18 September. Tṛtīyā runs from 08:39 on Sun 18 Sep to 09:15 on Mon 19 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3881, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-09-19T09:15:25+03:00", "utc": "1955-09-19T06:15:25Z", "ms": -450812675323.12775 }, "end": { "local": "1955-09-20T10:32:15+03:00", "utc": "1955-09-20T07:32:15Z", "ms": -450721664864.8638 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-19T09:15:25+03:00", "utc": "1955-09-19T06:15:25Z", "ms": -450812675323.12775 }, "end": { "local": "1955-09-20T10:32:15+03:00", "utc": "1955-09-20T07:32:15Z", "ms": -450721664864.8638 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-09-19", "window": { "start": { "local": "1955-09-19T11:37:17+03:00", "utc": "1955-09-19T08:37:17Z", "ms": -450804162648.7708 }, "end": { "local": "1955-09-19T12:25:17+03:00", "utc": "1955-09-19T09:25:17Z", "ms": -450801282648.7708 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-09-20", "window": { "start": { "local": "1955-09-20T11:36:56+03:00", "utc": "1955-09-20T08:36:56Z", "ms": -450717783828.6454 }, "end": { "local": "1955-09-20T12:24:56+03:00", "utc": "1955-09-20T09:24:56Z", "ms": -450714903828.6454 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:15 on Mon 19 Sep to 10:32 on Tue 20 Sep.", "fact": "1955-09-19T06:15:25Z → 1955-09-20T07:32:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 19th, 11:37–12:25 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3881 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Mosul, 1955: Monday 19 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-19", "confidence": "determinate" } ], "quote": "In Mosul, Gaṇeśa Caturthī 1955 falls on Monday 19 September. Caturthī runs from 09:15 on Mon 19 Sep to 10:32 on Tue 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-20", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-disputed" ], "boundary_margin_s": 55, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1955-09-20T10:32:15+03:00", "utc": "1955-09-20T07:32:15Z", "ms": -450721664864.8638 }, "end": { "local": "1955-09-21T12:25:30+03:00", "utc": "1955-09-21T09:25:30Z", "ms": -450628470461.7279 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-20T10:32:15+03:00", "utc": "1955-09-20T07:32:15Z", "ms": -450721664864.8638 }, "end": { "local": "1955-09-21T12:25:30+03:00", "utc": "1955-09-21T09:25:30Z", "ms": -450628470461.7279 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-09-20", "window": { "start": { "local": "1955-09-20T11:36:56+03:00", "utc": "1955-09-20T08:36:56Z", "ms": -450717783828.6454 }, "end": { "local": "1955-09-20T12:24:56+03:00", "utc": "1955-09-20T09:24:56Z", "ms": -450714903828.6454 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-09-21", "window": { "start": { "local": "1955-09-21T11:36:35+03:00", "utc": "1955-09-21T08:36:35Z", "ms": -450631404967.5687 }, "end": { "local": "1955-09-21T12:24:35+03:00", "utc": "1955-09-21T09:24:35Z", "ms": -450628524967.5687 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:32 on Tue 20 Sep to 12:25 on Wed 21 Sep.", "fact": "1955-09-20T07:32:15Z → 1955-09-21T09:25:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 20th, 11:37–12:25 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify and the cited authorities disagree. The one covered longer is ruled, as a boundary.", "fact": "priority: disputed → greater-coverage · margin 55 s < 300 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Mosul, 1955: Tuesday 20 September.", "fact": "confidence: boundary (margin, tie-break-disputed)" } ], "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": "1955-09-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-20", "confidence": "boundary" } ], "quote": "In Mosul, Ṛṣi Pañcamī 1955 falls on Tuesday 20 September. Pañcamī runs from 10:32 on Tue 20 Sep to 12:25 on Wed 21 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 55 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-22", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 55, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1955-09-21T12:25:30+03:00", "utc": "1955-09-21T09:25:30Z", "ms": -450628470461.7279 }, "end": { "local": "1955-09-22T14:46:31+03:00", "utc": "1955-09-22T11:46:31Z", "ms": -450533608687.9237 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-21T12:25:30+03:00", "utc": "1955-09-21T09:25:30Z", "ms": -450628470461.7279 }, "end": { "local": "1955-09-22T14:46:31+03:00", "utc": "1955-09-22T11:46:31Z", "ms": -450533608687.9237 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-09-21", "window": { "start": { "local": "1955-09-21T11:36:35+03:00", "utc": "1955-09-21T08:36:35Z", "ms": -450631404967.5687 }, "end": { "local": "1955-09-21T12:24:35+03:00", "utc": "1955-09-21T09:24:35Z", "ms": -450628524967.5687 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-09-22", "window": { "start": { "local": "1955-09-22T11:36:14+03:00", "utc": "1955-09-22T08:36:14Z", "ms": -450545026047.0724 }, "end": { "local": "1955-09-22T12:24:14+03:00", "utc": "1955-09-22T09:24:14Z", "ms": -450542146047.0724 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:25 on Wed 21 Sep to 14:47 on Thu 22 Sep.", "fact": "1955-09-21T09:25:30Z → 1955-09-22T11:46:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 21st, 11:36–12:24 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 55 s < 300 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Mosul, 1955: Thursday 22 September.", "fact": "confidence: boundary (margin)" } ], "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": "1955-09-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-22", "confidence": "determinate" } ], "quote": "In Mosul, Sūrya Ṣaṣṭhī (Bhādrapada) 1955 falls on Thursday 22 September. Ṣaṣṭhī runs from 12:25 on Wed 21 Sep to 14:47 on Thu 22 Sep and covers all of madhyāhna that midday. It is 0 min 55 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8537, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1955-09-22T14:46:31+03:00", "utc": "1955-09-22T11:46:31Z", "ms": -450533608687.9237 }, "end": { "local": "1955-09-23T17:22:12+03:00", "utc": "1955-09-23T14:22:12Z", "ms": -450437867945.73773 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-22T14:46:31+03:00", "utc": "1955-09-22T11:46:31Z", "ms": -450533608687.9237 }, "end": { "local": "1955-09-23T17:22:12+03:00", "utc": "1955-09-23T14:22:12Z", "ms": -450437867945.73773 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-09-22", "window": { "start": { "local": "1955-09-22T11:36:14+03:00", "utc": "1955-09-22T08:36:14Z", "ms": -450545026047.0724 }, "end": { "local": "1955-09-22T12:24:14+03:00", "utc": "1955-09-22T09:24:14Z", "ms": -450542146047.0724 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-09-23", "window": { "start": { "local": "1955-09-23T11:35:53+03:00", "utc": "1955-09-23T08:35:53Z", "ms": -450458647048.1404 }, "end": { "local": "1955-09-23T12:23:53+03:00", "utc": "1955-09-23T09:23:53Z", "ms": -450455767048.1404 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:47 on Thu 22 Sep to 17:22 on Fri 23 Sep.", "fact": "1955-09-22T11:46:31Z → 1955-09-23T14:22:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 22nd, 11:36–12:24 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "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 8537 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Mosul, 1955: Friday 23 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-23", "confidence": "determinate" } ], "quote": "In Mosul, Muktābharaṇa Vrata 1955 falls on Friday 23 September. Saptamī runs from 14:47 on Thu 22 Sep to 17:22 on Fri 23 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17899, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1955-09-23T17:22:12+03:00", "utc": "1955-09-23T14:22:12Z", "ms": -450437867945.73773 }, "end": { "local": "1955-09-24T19:56:32+03:00", "utc": "1955-09-24T16:56:32Z", "ms": -450342208292.6929 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-23T17:22:12+03:00", "utc": "1955-09-23T14:22:12Z", "ms": -450437867945.73773 }, "end": { "local": "1955-09-24T19:56:32+03:00", "utc": "1955-09-24T16:56:32Z", "ms": -450342208292.6929 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-09-23", "window": { "start": { "local": "1955-09-23T11:35:53+03:00", "utc": "1955-09-23T08:35:53Z", "ms": -450458647048.1404 }, "end": { "local": "1955-09-23T12:23:53+03:00", "utc": "1955-09-23T09:23:53Z", "ms": -450455767048.1404 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-09-24", "window": { "start": { "local": "1955-09-24T11:35:32+03:00", "utc": "1955-09-24T08:35:32Z", "ms": -450372267951.2477 }, "end": { "local": "1955-09-24T12:23:32+03:00", "utc": "1955-09-24T09:23:32Z", "ms": -450369387951.2477 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:22 on Fri 23 Sep to 19:57 on Sat 24 Sep.", "fact": "1955-09-23T14:22:12Z → 1955-09-24T16:56:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 23rd, 11:36–12:24 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17899 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Mosul, 1955: Saturday 24 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-24", "confidence": "determinate" } ], "quote": "In Mosul, Rādhāṣṭamī 1955 falls on Saturday 24 September. Aṣṭamī runs from 17:22 on Fri 23 Sep to 19:57 on Sat 24 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-09-27", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17778, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-09-26T23:58:37+03:00", "utc": "1955-09-26T20:58:37Z", "ms": -450154883372.9292 }, "end": { "local": "1955-09-28T01:03:17+03:00", "utc": "1955-09-27T22:03:17Z", "ms": -450064602912.8973 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-26T23:58:37+03:00", "utc": "1955-09-26T20:58:37Z", "ms": -450154883372.9292 }, "end": { "local": "1955-09-28T01:03:17+03:00", "utc": "1955-09-27T22:03:17Z", "ms": -450064602912.8973 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-09-27", "window": { "start": { "local": "1955-09-27T05:58:47+03:00", "utc": "1955-09-27T02:58:47Z", "ms": -450133272959.6467 }, "end": { "local": "1955-09-27T05:58:47+03:00", "utc": "1955-09-27T02:58:47Z", "ms": -450133272959.6467 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-09-28", "window": { "start": { "local": "1955-09-28T05:59:35+03:00", "utc": "1955-09-28T02:59:35Z", "ms": -450046824577.6474 }, "end": { "local": "1955-09-28T05:59:35+03:00", "utc": "1955-09-28T02:59:35Z", "ms": -450046824577.6474 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:59 on Mon 26 Sep to 01:03 on Wed 28 Sep.", "fact": "1955-09-26T20:58:37Z → 1955-09-27T22:03:17Z" }, { "step": "kaala", "text": "Sunrise is at 05:59 on the 27th and 06:00 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17778 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Mosul, 1955: Tuesday 27 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": "1955-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-27", "confidence": "determinate" } ], "quote": "In Mosul, Parivartanī Ekādaśī 1955 falls on Tuesday 27 September. Ekādaśī runs from 23:59 on Mon 26 Sep to 01:03 on Wed 28 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-09-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36641, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1955-09-28T01:03:17+03:00", "utc": "1955-09-27T22:03:17Z", "ms": -450064602912.8973 }, "end": { "local": "1955-09-29T01:23:08+03:00", "utc": "1955-09-28T22:23:08Z", "ms": -449977011634.82446 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-28T01:03:17+03:00", "utc": "1955-09-27T22:03:17Z", "ms": -450064602912.8973 }, "end": { "local": "1955-09-29T01:23:08+03:00", "utc": "1955-09-28T22:23:08Z", "ms": -449977011634.82446 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-09-28", "window": { "start": { "local": "1955-09-28T11:34:10+03:00", "utc": "1955-09-28T08:34:10Z", "ms": -450026750176.2124 }, "end": { "local": "1955-09-28T12:22:10+03:00", "utc": "1955-09-28T09:22:10Z", "ms": -450023870176.2124 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-09-29", "window": { "start": { "local": "1955-09-29T11:33:50+03:00", "utc": "1955-09-29T08:33:50Z", "ms": -449940370278.8715 }, "end": { "local": "1955-09-29T12:21:50+03:00", "utc": "1955-09-29T09:21:50Z", "ms": -449937490278.8715 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:03 on Wed 28 Sep to 01:23 on Thu 29 Sep.", "fact": "1955-09-27T22:03:17Z → 1955-09-28T22:23:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 28th, 11:34–12:22 on the 29th.", "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 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 36641 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Mosul, 1955: Wednesday 28 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": "1955-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-28", "confidence": "determinate" } ], "quote": "In Mosul, Vāmana Jayantī 1955 falls on Wednesday 28 September. Dvādaśī runs from 01:03 on Wed 28 Sep to 01:23 on Thu 29 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/pradosha-vrata?on=1955-09-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19606, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-09-29T01:23:08+03:00", "utc": "1955-09-28T22:23:08Z", "ms": -449977011634.82446 }, "end": { "local": "1955-09-30T00:58:49+03:00", "utc": "1955-09-29T21:58:49Z", "ms": -449892071210.6513 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-29T01:23:08+03:00", "utc": "1955-09-28T22:23:08Z", "ms": -449977011634.82446 }, "end": { "local": "1955-09-30T00:58:49+03:00", "utc": "1955-09-29T21:58:49Z", "ms": -449892071210.6513 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-09-28", "window": { "start": { "local": "1955-09-28T17:56:44+03:00", "utc": "1955-09-28T14:56:44Z", "ms": -450003795774.77734 }, "end": { "local": "1955-09-28T19:33:14+03:00", "utc": "1955-09-28T16:33:14Z", "ms": -449998006473.9957 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1955-09-29", "window": { "start": { "local": "1955-09-29T17:55:15+03:00", "utc": "1955-09-29T14:55:15Z", "ms": -449917484538.82764 }, "end": { "local": "1955-09-29T19:32:03+03:00", "utc": "1955-09-29T16:32:03Z", "ms": -449911676902.791 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:23 on Thu 29 Sep to 00:59 on Fri 30 Sep.", "fact": "1955-09-28T22:23:08Z → 1955-09-29T21:58:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:33 on the 28th, 17:55–19:32 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 96 minutes on the 28th and 97 of 97 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 19606 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mosul, 1955: Thursday 29 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": "1955-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-29", "confidence": "determinate" } ], "quote": "In Mosul, Śukla Pradoṣa Vrata 1955 falls on Thursday 29 September. Trayodaśī runs from 01:23 on Thu 29 Sep to 00:59 on Fri 30 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-09-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18144, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-09-30T00:58:49+03:00", "utc": "1955-09-29T21:58:49Z", "ms": -449892071210.6513 }, "end": { "local": "1955-09-30T23:54:39+03:00", "utc": "1955-09-30T20:54:39Z", "ms": -449809521294.0501 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1955-09-30T00:58:49+03:00", "utc": "1955-09-29T21:58:49Z", "ms": -449892071210.6513 }, "end": { "local": "1955-09-30T23:54:39+03:00", "utc": "1955-09-30T20:54:39Z", "ms": -449809521294.0501 } }, "kaala": "udaya-3", "days": [ { "local_date": "1955-09-30", "window": { "start": { "local": "1955-09-30T06:01:13+03:00", "utc": "1955-09-30T03:01:13Z", "ms": -449873927268.5528 }, "end": { "local": "1955-09-30T08:23:44+03:00", "utc": "1955-09-30T05:23:44Z", "ms": -449865376423.21576 } }, "covered_min": 143, "window_min": 143, "qualifies": true }, { "local_date": "1955-10-01", "window": { "start": { "local": "1955-10-01T06:02:02+03:00", "utc": "1955-10-01T03:02:02Z", "ms": -449787478310.75256 }, "end": { "local": "1955-10-01T08:24:05+03:00", "utc": "1955-10-01T05:24:05Z", "ms": -449778954899.0806 } }, "covered_min": 0, "window_min": 142, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:59 on Fri 30 Sep to 23:55 on Fri 30 Sep.", "fact": "1955-09-29T21:58:49Z → 1955-09-30T20:54:39Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:01–08:24 on the 30th, 06:02–08:24 on the 1st.", "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 143 of 143 minutes on the 30th and 0 of 142 on the 1st.", "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 18144 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Mosul, 1955: Friday 30 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": "1955-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-09-30", "confidence": "determinate" } ], "quote": "In Mosul, Ananta Caturdaśī 1955 falls on Friday 30 September. Caturdaśī runs from 00:59 on Fri 30 Sep to 23:55 on Fri 30 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/sankashta-chaturthi?on=1955-10-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13954, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-10-04T15:27:48+03:00", "utc": "1955-10-04T12:27:48Z", "ms": -449494331540.9709 }, "end": { "local": "1955-10-05T12:57:36+03:00", "utc": "1955-10-05T09:57:36Z", "ms": -449416943665.89667 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-04T15:27:48+03:00", "utc": "1955-10-04T12:27:48Z", "ms": -449494331540.9709 }, "end": { "local": "1955-10-05T12:57:36+03:00", "utc": "1955-10-05T09:57:36Z", "ms": -449416943665.89667 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-10-04", "window": { "start": { "local": "1955-10-04T19:20:22+03:00", "utc": "1955-10-04T16:20:22Z", "ms": -449480377508.1289 }, "end": { "local": "1955-10-04T19:20:22+03:00", "utc": "1955-10-04T16:20:22Z", "ms": -449480377508.1289 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-10-05", "window": { "start": { "local": "1955-10-05T20:11:20+03:00", "utc": "1955-10-05T17:11:20Z", "ms": -449390919775.4512 }, "end": { "local": "1955-10-05T20:11:20+03:00", "utc": "1955-10-05T17:11:20Z", "ms": -449390919775.4512 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:28 on Tue 4 Oct to 12:58 on Wed 5 Oct.", "fact": "1955-10-04T12:27:48Z → 1955-10-05T09:57:36Z" }, { "step": "kaala", "text": "Moonrise is at 19:20 on the 4th and 20:11 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13954 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mosul, 1955: Tuesday 4 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": "1955-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-04", "confidence": "determinate" } ], "quote": "In Mosul, Saṅkaṣṭa Caturthī 1955 falls on Tuesday 4 October. Caturthī runs from 15:28 on Tue 4 Oct to 12:58 on Wed 5 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/sankashta-chaturthi?on=1955-10-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38295, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1955-10-06T10:30:55+03:00", "utc": "1955-10-06T07:30:55Z", "ms": -449339345046.8116 }, "end": { "local": "1955-10-07T08:11:56+03:00", "utc": "1955-10-07T05:11:56Z", "ms": -449261284023.4471 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-06T10:30:55+03:00", "utc": "1955-10-06T07:30:55Z", "ms": -449339345046.8116 }, "end": { "local": "1955-10-07T08:11:56+03:00", "utc": "1955-10-07T05:11:56Z", "ms": -449261284023.4471 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-10-06", "window": { "start": { "local": "1955-10-06T21:09:10+03:00", "utc": "1955-10-06T18:09:10Z", "ms": -449301049906.8307 }, "end": { "local": "1955-10-06T21:09:10+03:00", "utc": "1955-10-06T18:09:10Z", "ms": -449301049906.8307 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-10-07", "window": { "start": { "local": "1955-10-07T22:12:35+03:00", "utc": "1955-10-07T19:12:35Z", "ms": -449210844683.3952 }, "end": { "local": "1955-10-07T22:12:35+03:00", "utc": "1955-10-07T19:12:35Z", "ms": -449210844683.3952 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:31 on Thu 6 Oct to 08:12 on Fri 7 Oct.", "fact": "1955-10-06T07:30:55Z → 1955-10-07T05:11:56Z" }, { "step": "kaala", "text": "Moonrise is at 21:09 on the 6th and 22:13 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 38295 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Mosul, 1955: Thursday 6 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-06", "confidence": "determinate" } ], "quote": "In Mosul, Candra Ṣaṣṭhī 1955 falls on Thursday 6 October. Ṣaṣṭhī runs from 10:31 on Thu 6 Oct to 08:12 on Fri 7 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31543, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1955-10-08T06:03:31+03:00", "utc": "1955-10-08T03:03:31Z", "ms": -449182589151.108 }, "end": { "local": "1955-10-09T04:07:27+03:00", "utc": "1955-10-09T01:07:27Z", "ms": -449103152723.9333 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-08T06:03:31+03:00", "utc": "1955-10-08T03:03:31Z", "ms": -449182589151.108 }, "end": { "local": "1955-10-09T04:07:27+03:00", "utc": "1955-10-09T01:07:27Z", "ms": -449103152723.9333 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-10-07", "window": { "start": { "local": "1955-10-07T17:43:37+03:00", "utc": "1955-10-07T14:43:37Z", "ms": -449226982554.74243 }, "end": { "local": "1955-10-07T19:22:51+03:00", "utc": "1955-10-07T16:22:51Z", "ms": -449221028670.60443 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1955-10-08", "window": { "start": { "local": "1955-10-08T17:42:12+03:00", "utc": "1955-10-08T14:42:12Z", "ms": -449140667804.6371 }, "end": { "local": "1955-10-08T19:21:44+03:00", "utc": "1955-10-08T16:21:44Z", "ms": -449134695729.77563 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:04 on Sat 8 Oct to 04:07 on Sun 9 Oct.", "fact": "1955-10-08T03:03:31Z → 1955-10-09T01:07:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:23 on the 7th, 17:42–19:22 on the 8th.", "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 99 minutes on the 7th and 100 of 100 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31543 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Mosul, 1955: Saturday 8 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-08", "confidence": "determinate" } ], "quote": "In Mosul, Jitāṣṭamī (Jitiya) 1955 falls on Saturday 8 October. Aṣṭamī runs from 06:04 on Sat 8 Oct to 04:07 on Sun 9 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17293, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1955-10-08T06:03:31+03:00", "utc": "1955-10-08T03:03:31Z", "ms": -449182589151.108 }, "end": { "local": "1955-10-09T04:07:27+03:00", "utc": "1955-10-09T01:07:27Z", "ms": -449103152723.9333 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-08T06:03:31+03:00", "utc": "1955-10-08T03:03:31Z", "ms": -449182589151.108 }, "end": { "local": "1955-10-09T04:07:27+03:00", "utc": "1955-10-09T01:07:27Z", "ms": -449103152723.9333 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-10-07", "window": { "start": { "local": "1955-10-07T22:12:35+03:00", "utc": "1955-10-07T19:12:35Z", "ms": -449210844683.3952 }, "end": { "local": "1955-10-07T22:12:35+03:00", "utc": "1955-10-07T19:12:35Z", "ms": -449210844683.3952 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-10-08", "window": { "start": { "local": "1955-10-08T23:19:14+03:00", "utc": "1955-10-08T20:19:14Z", "ms": -449120445682.90076 }, "end": { "local": "1955-10-08T23:19:14+03:00", "utc": "1955-10-08T20:19:14Z", "ms": -449120445682.90076 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:04 on Sat 8 Oct to 04:07 on Sun 9 Oct.", "fact": "1955-10-08T03:03:31Z → 1955-10-09T01:07:27Z" }, { "step": "kaala", "text": "Moonrise is at 22:13 on the 7th and 23:19 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 7th and is on the 8th.", "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 17293 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Mosul, 1955: Saturday 8 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-08", "confidence": "determinate" } ], "quote": "In Mosul, Mahālakṣmī Vrata Samāpana 1955 falls on Saturday 8 October. Aṣṭamī runs from 06:04 on Sat 8 Oct to 04:07 on Sun 9 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-10-11", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18806, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-10-11T00:57:00+03:00", "utc": "1955-10-10T21:57:00Z", "ms": -448941779722.06445 }, "end": { "local": "1955-10-11T23:45:09+03:00", "utc": "1955-10-11T20:45:09Z", "ms": -448859691383.5749 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-11T00:57:00+03:00", "utc": "1955-10-10T21:57:00Z", "ms": -448941779722.06445 }, "end": { "local": "1955-10-11T23:45:09+03:00", "utc": "1955-10-11T20:45:09Z", "ms": -448859691383.5749 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-10-11", "window": { "start": { "local": "1955-10-11T06:10:26+03:00", "utc": "1955-10-11T03:10:26Z", "ms": -448922973886.92676 }, "end": { "local": "1955-10-11T06:10:26+03:00", "utc": "1955-10-11T03:10:26Z", "ms": -448922973886.92676 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-10-12", "window": { "start": { "local": "1955-10-12T06:11:18+03:00", "utc": "1955-10-12T03:11:18Z", "ms": -448836521700.7388 }, "end": { "local": "1955-10-12T06:11:18+03:00", "utc": "1955-10-12T03:11:18Z", "ms": -448836521700.7388 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:57 on Tue 11 Oct to 23:45 on Tue 11 Oct.", "fact": "1955-10-10T21:57:00Z → 1955-10-11T20:45:09Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 11th and 06:11 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18806 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Mosul, 1955: Tuesday 11 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": "1955-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-11", "confidence": "determinate" } ], "quote": "In Mosul, Indirā Ekādaśī 1955 falls on Tuesday 11 October. Ekādaśī runs from 00:57 on Tue 11 Oct to 23:45 on Tue 11 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-10-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-10-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10969, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-10-12T22:51:31+03:00", "utc": "1955-10-12T19:51:31Z", "ms": -448776508967.0681 }, "end": { "local": "1955-10-13T22:19:06+03:00", "utc": "1955-10-13T19:19:06Z", "ms": -448692053857.4207 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-12T22:51:31+03:00", "utc": "1955-10-12T19:51:31Z", "ms": -448776508967.0681 }, "end": { "local": "1955-10-13T22:19:06+03:00", "utc": "1955-10-13T19:19:06Z", "ms": -448692053857.4207 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-10-12", "window": { "start": { "local": "1955-10-12T17:36:37+03:00", "utc": "1955-10-12T14:36:37Z", "ms": -448795402964.2657 }, "end": { "local": "1955-10-12T19:17:22+03:00", "utc": "1955-10-12T16:17:22Z", "ms": -448789358458.50024 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "1955-10-13", "window": { "start": { "local": "1955-10-13T17:35:15+03:00", "utc": "1955-10-13T14:35:15Z", "ms": -448709085144.37067 }, "end": { "local": "1955-10-13T19:16:17+03:00", "utc": "1955-10-13T16:16:17Z", "ms": -448703022631.1957 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:52 on Wed 12 Oct to 22:19 on Thu 13 Oct.", "fact": "1955-10-12T19:51:31Z → 1955-10-13T19:19:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:17 on the 12th, 17:35–19:16 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 101 minutes on the 12th and 101 of 101 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10969 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 1955: Thursday 13 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": "1955-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-13", "confidence": "determinate" } ], "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 1955 falls on Thursday 13 October. Trayodaśī runs from 22:52 on Wed 12 Oct to 22:19 on Thu 13 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/shivaratri?on=1955-10-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4263, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-10-13T22:19:06+03:00", "utc": "1955-10-13T19:19:06Z", "ms": -448692053857.4207 }, "end": { "local": "1955-10-14T22:11:29+03:00", "utc": "1955-10-14T19:11:29Z", "ms": -448606111362.423 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-13T22:19:06+03:00", "utc": "1955-10-13T19:19:06Z", "ms": -448692053857.4207 }, "end": { "local": "1955-10-14T22:11:29+03:00", "utc": "1955-10-14T19:11:29Z", "ms": -448606111362.423 } }, "kaala": "nishita", "days": [ { "local_date": "1955-10-13", "window": { "start": { "local": "1955-10-13T23:30:09+03:00", "utc": "1955-10-13T20:30:09Z", "ms": -448687790719.96436 }, "end": { "local": "1955-10-14T00:18:09+03:00", "utc": "1955-10-13T21:18:09Z", "ms": -448684910719.96436 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-10-14", "window": { "start": { "local": "1955-10-14T23:29:55+03:00", "utc": "1955-10-14T20:29:55Z", "ms": -448601404847.8831 }, "end": { "local": "1955-10-15T00:17:55+03:00", "utc": "1955-10-14T21:17:55Z", "ms": -448598524847.8831 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:19 on Thu 13 Oct to 22:11 on Fri 14 Oct.", "fact": "1955-10-13T19:19:06Z → 1955-10-14T19:11:29Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:30–00:18 on the 13th, 23:30–00:18 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4263 s" }, { "step": "ruling", "text": "Śivarātri, Mosul, 1955: Thursday 13 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": "1955-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-13", "confidence": "determinate" } ], "quote": "In Mosul, Śivarātri 1955 falls on Thursday 13 October. Caturdaśī runs from 22:19 on Thu 13 Oct to 22:11 on Fri 14 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/shivaratri?on=1955-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24825, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1955-10-14T22:11:29+03:00", "utc": "1955-10-14T19:11:29Z", "ms": -448606111362.423 }, "end": { "local": "1955-10-15T22:32:19+03:00", "utc": "1955-10-15T19:32:19Z", "ms": -448518460976.2557 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-14T22:11:29+03:00", "utc": "1955-10-14T19:11:29Z", "ms": -448606111362.423 }, "end": { "local": "1955-10-15T22:32:19+03:00", "utc": "1955-10-15T19:32:19Z", "ms": -448518460976.2557 } }, "kaala": "aparahna", "days": [ { "local_date": "1955-10-14", "window": { "start": { "local": "1955-10-14T13:01:34+03:00", "utc": "1955-10-14T10:01:34Z", "ms": -448639106491.85376 }, "end": { "local": "1955-10-14T15:17:43+03:00", "utc": "1955-10-14T12:17:43Z", "ms": -448630936557.2857 } }, "covered_min": 0, "window_min": 136, "qualifies": false }, { "local_date": "1955-10-15", "window": { "start": { "local": "1955-10-15T13:01:06+03:00", "utc": "1955-10-15T10:01:06Z", "ms": -448552733651.7838 }, "end": { "local": "1955-10-15T15:16:49+03:00", "utc": "1955-10-15T12:16:49Z", "ms": -448544590511.36224 } }, "covered_min": 136, "window_min": 136, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 22:11 on Fri 14 Oct to 22:32 on Sat 15 Oct.", "fact": "1955-10-14T19:11:29Z → 1955-10-15T19:32:19Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:02–15:18 on the 14th, 13:01–15:17 on the 15th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 136 minutes on the 14th and 136 of 136 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24825 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Mosul, 1955: Saturday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-15", "confidence": "determinate" } ], "quote": "In Mosul, Mahālaya Amāvāsyā 1955 falls on Saturday 15 October. Amāvasyā runs from 22:11 on Fri 14 Oct to 22:32 on Sat 15 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36904, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1955-10-15T22:32:19+03:00", "utc": "1955-10-15T19:32:19Z", "ms": -448518460976.2557 }, "end": { "local": "1955-10-16T23:24:36+03:00", "utc": "1955-10-16T20:24:36Z", "ms": -448428923637.46204 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-15T22:32:19+03:00", "utc": "1955-10-15T19:32:19Z", "ms": -448518460976.2557 }, "end": { "local": "1955-10-16T23:24:36+03:00", "utc": "1955-10-16T20:24:36Z", "ms": -448428923637.46204 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-10-15", "window": { "start": { "local": "1955-10-15T11:29:15+03:00", "utc": "1955-10-15T08:29:15Z", "ms": -448558245221.9946 }, "end": { "local": "1955-10-15T12:17:15+03:00", "utc": "1955-10-15T09:17:15Z", "ms": -448555365221.9946 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-10-16", "window": { "start": { "local": "1955-10-16T11:29:02+03:00", "utc": "1955-10-16T08:29:02Z", "ms": -448471858431.8297 }, "end": { "local": "1955-10-16T12:17:02+03:00", "utc": "1955-10-16T09:17:02Z", "ms": -448468978431.8297 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:32 on Sat 15 Oct to 23:25 on Sun 16 Oct.", "fact": "1955-10-15T19:32:19Z → 1955-10-16T20:24:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 15th, 11:29–12:17 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36904 s" }, { "step": "ruling", "text": "Navarātrārambha, Mosul, 1955: Sunday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-16", "confidence": "determinate" } ], "quote": "In Mosul, Navarātrārambha (Navratri) 1955 falls on Sunday 16 October. Pratipadā runs from 22:32 on Sat 15 Oct to 23:25 on Sun 16 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/vinayaka-chaturthi?on=1955-10-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22815, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-10-19T02:45:51+03:00", "utc": "1955-10-18T23:45:51Z", "ms": -448244049177.1744 }, "end": { "local": "1955-10-20T05:07:59+03:00", "utc": "1955-10-20T02:07:59Z", "ms": -448149120514.12177 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-19T02:45:51+03:00", "utc": "1955-10-18T23:45:51Z", "ms": -448244049177.1744 }, "end": { "local": "1955-10-20T05:07:59+03:00", "utc": "1955-10-20T02:07:59Z", "ms": -448149120514.12177 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-10-19", "window": { "start": { "local": "1955-10-19T11:28:25+03:00", "utc": "1955-10-19T08:28:25Z", "ms": -448212694601.6467 }, "end": { "local": "1955-10-19T12:16:25+03:00", "utc": "1955-10-19T09:16:25Z", "ms": -448209814601.6467 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-10-20", "window": { "start": { "local": "1955-10-20T11:28:15+03:00", "utc": "1955-10-20T08:28:15Z", "ms": -448126305458.0952 }, "end": { "local": "1955-10-20T12:16:15+03:00", "utc": "1955-10-20T09:16:15Z", "ms": -448123425458.0952 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:46 on Wed 19 Oct to 05:08 on Thu 20 Oct.", "fact": "1955-10-18T23:45:51Z → 1955-10-20T02:07:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 19th, 11:28–12:16 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22815 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mosul, 1955: Wednesday 19 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": "1955-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-19", "confidence": "determinate" } ], "quote": "In Mosul, Vināyaka Caturthī 1955 falls on Wednesday 19 October. Caturthī runs from 02:46 on Wed 19 Oct to 05:08 on Thu 20 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/vinayaka-chaturthi?on=1955-10-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12244, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1955-10-22T10:28:36+03:00", "utc": "1955-10-22T07:28:36Z", "ms": -447957083968.8962 }, "end": { "local": "1955-10-23T12:58:45+03:00", "utc": "1955-10-23T09:58:45Z", "ms": -447861674656.3908 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-22T10:28:36+03:00", "utc": "1955-10-22T07:28:36Z", "ms": -447957083968.8962 }, "end": { "local": "1955-10-23T12:58:45+03:00", "utc": "1955-10-23T09:58:45Z", "ms": -447861674656.3908 } }, "kaala": "udaya-1", "days": [ { "local_date": "1955-10-22", "window": { "start": { "local": "1955-10-22T06:20:19+03:00", "utc": "1955-10-22T03:20:19Z", "ms": -447971980829.75775 }, "end": { "local": "1955-10-22T07:04:32+03:00", "utc": "1955-10-22T04:04:32Z", "ms": -447969328090.6092 } }, "covered_min": 0, "window_min": 44, "qualifies": false }, { "local_date": "1955-10-23", "window": { "start": { "local": "1955-10-23T06:21:15+03:00", "utc": "1955-10-23T03:21:15Z", "ms": -447885524858.79205 }, "end": { "local": "1955-10-23T07:05:19+03:00", "utc": "1955-10-23T04:05:19Z", "ms": -447882880774.8838 } }, "covered_min": 44, "window_min": 44, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:29 on Sat 22 Oct to 12:59 on Sun 23 Oct.", "fact": "1955-10-22T07:28:36Z → 1955-10-23T09:58:45Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:20–07:05 on the 22nd, 06:21–07:05 on the 23rd.", "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 44 minutes on the 22nd and 44 of 44 on the 23rd.", "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 12244 s" }, { "step": "ruling", "text": "Durgā Saptamī, Mosul, 1955: Sunday 23 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-23", "confidence": "determinate" } ], "quote": "In Mosul, Durgā Saptamī 1955 falls on Sunday 23 October. Saptamī runs from 10:29 on Sat 22 Oct to 12:59 on Sun 23 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2580, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1955-10-23T12:58:45+03:00", "utc": "1955-10-23T09:58:45Z", "ms": -447861674656.3908 }, "end": { "local": "1955-10-24T15:02:08+03:00", "utc": "1955-10-24T12:02:08Z", "ms": -447767871805.2082 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-23T12:58:45+03:00", "utc": "1955-10-23T09:58:45Z", "ms": -447861674656.3908 }, "end": { "local": "1955-10-24T15:02:08+03:00", "utc": "1955-10-24T12:02:08Z", "ms": -447767871805.2082 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-10-23", "window": { "start": { "local": "1955-10-23T11:27:46+03:00", "utc": "1955-10-23T08:27:46Z", "ms": -447867134229.4801 }, "end": { "local": "1955-10-23T12:15:46+03:00", "utc": "1955-10-23T09:15:46Z", "ms": -447864254229.4801 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-10-24", "window": { "start": { "local": "1955-10-24T11:27:37+03:00", "utc": "1955-10-24T08:27:37Z", "ms": -447780742506.83984 }, "end": { "local": "1955-10-24T12:15:37+03:00", "utc": "1955-10-24T09:15:37Z", "ms": -447777862506.83984 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:59 on Sun 23 Oct to 15:02 on Mon 24 Oct.", "fact": "1955-10-23T09:58:45Z → 1955-10-24T12:02:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 23rd, 11:28–12:16 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2580 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Mosul, 1955: Monday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-24", "confidence": "boundary" } ], "quote": "In Mosul, Mahāṣṭamī (Durga Ashtami) 1955 falls on Monday 24 October. Aṣṭamī runs from 12:59 on Sun 23 Oct to 15:02 on Mon 24 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9991, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1955-10-24T15:02:08+03:00", "utc": "1955-10-24T12:02:08Z", "ms": -447767871805.2082 }, "end": { "local": "1955-10-25T16:26:28+03:00", "utc": "1955-10-25T13:26:28Z", "ms": -447676411507.8779 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-24T15:02:08+03:00", "utc": "1955-10-24T12:02:08Z", "ms": -447767871805.2082 }, "end": { "local": "1955-10-25T16:26:28+03:00", "utc": "1955-10-25T13:26:28Z", "ms": -447676411507.8779 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-10-24", "window": { "start": { "local": "1955-10-24T11:27:37+03:00", "utc": "1955-10-24T08:27:37Z", "ms": -447780742506.83984 }, "end": { "local": "1955-10-24T12:15:37+03:00", "utc": "1955-10-24T09:15:37Z", "ms": -447777862506.83984 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-10-25", "window": { "start": { "local": "1955-10-25T11:27:30+03:00", "utc": "1955-10-25T08:27:30Z", "ms": -447694350104.05176 }, "end": { "local": "1955-10-25T12:15:30+03:00", "utc": "1955-10-25T09:15:30Z", "ms": -447691470104.05176 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 15:02 on Mon 24 Oct to 16:26 on Tue 25 Oct.", "fact": "1955-10-24T12:02:08Z → 1955-10-25T13:26:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 24th, 11:27–12:15 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9991 s" }, { "step": "ruling", "text": "Mahānavamī, Mosul, 1955: Tuesday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-25", "confidence": "determinate" } ], "quote": "In Mosul, Mahānavamī 1955 falls on Tuesday 25 October. Navamī runs from 15:02 on Mon 24 Oct to 16:26 on Tue 25 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15059, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1955-10-25T16:26:28+03:00", "utc": "1955-10-25T13:26:28Z", "ms": -447676411507.8779 }, "end": { "local": "1955-10-26T17:03:53+03:00", "utc": "1955-10-26T14:03:53Z", "ms": -447587766858.41675 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-25T16:26:28+03:00", "utc": "1955-10-25T13:26:28Z", "ms": -447676411507.8779 }, "end": { "local": "1955-10-26T17:03:53+03:00", "utc": "1955-10-26T14:03:53Z", "ms": -447587766858.41675 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-10-25", "window": { "start": { "local": "1955-10-25T11:27:30+03:00", "utc": "1955-10-25T08:27:30Z", "ms": -447694350104.05176 }, "end": { "local": "1955-10-25T12:15:30+03:00", "utc": "1955-10-25T09:15:30Z", "ms": -447691470104.05176 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-10-26", "window": { "start": { "local": "1955-10-26T11:27:23+03:00", "utc": "1955-10-26T08:27:23Z", "ms": -447607957006.8561 }, "end": { "local": "1955-10-26T12:15:23+03:00", "utc": "1955-10-26T09:15:23Z", "ms": -447605077006.8561 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 16:26 on Tue 25 Oct to 17:04 on Wed 26 Oct.", "fact": "1955-10-25T13:26:28Z → 1955-10-26T14:03:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 25th, 11:27–12:15 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī 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 15059 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Mosul, 1955: Wednesday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-26", "confidence": "determinate" } ], "quote": "In Mosul, Vijayā Daśamī (Dussehra) 1955 falls on Wednesday 26 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 16:26 on Tue 25 Oct to 17:04 on Wed 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-10-27", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37586, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-10-26T17:03:53+03:00", "utc": "1955-10-26T14:03:53Z", "ms": -447587766858.41675 }, "end": { "local": "1955-10-27T16:51:28+03:00", "utc": "1955-10-27T13:51:28Z", "ms": -447502111822.69037 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-26T17:03:53+03:00", "utc": "1955-10-26T14:03:53Z", "ms": -447587766858.41675 }, "end": { "local": "1955-10-27T16:51:28+03:00", "utc": "1955-10-27T13:51:28Z", "ms": -447502111822.69037 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-10-26", "window": { "start": { "local": "1955-10-26T06:24:05+03:00", "utc": "1955-10-26T03:24:05Z", "ms": -447626154959.89526 }, "end": { "local": "1955-10-26T06:24:05+03:00", "utc": "1955-10-26T03:24:05Z", "ms": -447626154959.89526 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-10-27", "window": { "start": { "local": "1955-10-27T06:25:02+03:00", "utc": "1955-10-27T03:25:02Z", "ms": -447539697677.66516 }, "end": { "local": "1955-10-27T06:25:02+03:00", "utc": "1955-10-27T03:25:02Z", "ms": -447539697677.66516 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:04 on Wed 26 Oct to 16:51 on Thu 27 Oct.", "fact": "1955-10-26T14:03:53Z → 1955-10-27T13:51:28Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 26th and 06:25 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 37586 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Mosul, 1955: Thursday 27 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": "1955-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-27", "confidence": "determinate" } ], "quote": "In Mosul, Pāśāṅkuśā Ekādaśī 1955 falls on Thursday 27 October. Ekādaśī runs from 17:04 on Wed 26 Oct to 16:51 on Thu 27 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-10-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-10-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5128, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-10-28T15:50:54+03:00", "utc": "1955-10-28T12:50:54Z", "ms": -447419345593.3686 }, "end": { "local": "1955-10-29T14:07:27+03:00", "utc": "1955-10-29T11:07:27Z", "ms": -447339152906.65094 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1955-10-28T15:50:54+03:00", "utc": "1955-10-28T12:50:54Z", "ms": -447419345593.3686 }, "end": { "local": "1955-10-29T14:07:27+03:00", "utc": "1955-10-29T11:07:27Z", "ms": -447339152906.65094 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-10-28", "window": { "start": { "local": "1955-10-28T17:16:23+03:00", "utc": "1955-10-28T14:16:23Z", "ms": -447414217264.92883 }, "end": { "local": "1955-10-28T19:01:47+03:00", "utc": "1955-10-28T16:01:47Z", "ms": -447407892584.71075 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "1955-10-29", "window": { "start": { "local": "1955-10-29T17:15:15+03:00", "utc": "1955-10-29T14:15:15Z", "ms": -447327884642.62634 }, "end": { "local": "1955-10-29T19:00:57+03:00", "utc": "1955-10-29T16:00:57Z", "ms": -447321543215.4447 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:51 on Fri 28 Oct to 14:07 on Sat 29 Oct.", "fact": "1955-10-28T12:50:54Z → 1955-10-29T11:07:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–19:02 on the 28th, 17:15–19:01 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 105 of 105 minutes on the 28th and 0 of 106 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 5128 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mosul, 1955: Friday 28 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": "1955-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-10-28", "confidence": "determinate" } ], "quote": "In Mosul, Śukla Pradoṣa Vrata 1955 falls on Friday 28 October. Trayodaśī runs from 15:51 on Fri 28 Oct to 14:07 on Sat 29 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-10-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2640, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-11-02T23:45:03+03:00", "utc": "1955-11-02T20:45:03Z", "ms": -446958897155.6711 }, "end": { "local": "1955-11-03T20:46:18+03:00", "utc": "1955-11-03T17:46:18Z", "ms": -446883222124.4612 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-02T23:45:03+03:00", "utc": "1955-11-02T20:45:03Z", "ms": -446958897155.6711 }, "end": { "local": "1955-11-03T20:46:18+03:00", "utc": "1955-11-03T17:46:18Z", "ms": -446883222124.4612 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-11-02", "window": { "start": { "local": "1955-11-02T18:58:30+03:00", "utc": "1955-11-02T15:58:30Z", "ms": -446976089570.1047 }, "end": { "local": "1955-11-02T18:58:30+03:00", "utc": "1955-11-02T15:58:30Z", "ms": -446976089570.1047 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-11-03", "window": { "start": { "local": "1955-11-03T20:02:18+03:00", "utc": "1955-11-03T17:02:18Z", "ms": -446885862018.9141 }, "end": { "local": "1955-11-03T20:02:18+03:00", "utc": "1955-11-03T17:02:18Z", "ms": -446885862018.9141 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:45 on Wed 2 Nov to 20:46 on Thu 3 Nov.", "fact": "1955-11-02T20:45:03Z → 1955-11-03T17:46:18Z" }, { "step": "kaala", "text": "Moonrise is at 18:59 on the 2nd and 20:02 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2640 s" }, { "step": "ruling", "text": "Karaka Caturthī, Mosul, 1955: Thursday 3 November.", "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": "1955-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-03", "confidence": "determinate" } ], "quote": "In Mosul, Karaka Caturthī (Karwa Chauth) 1955 falls on Thursday 3 November. Caturthī runs from 23:45 on Wed 2 Nov to 20:46 on Thu 3 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/sankashta-chaturthi?on=1955-11-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2640, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-11-02T23:45:03+03:00", "utc": "1955-11-02T20:45:03Z", "ms": -446958897155.6711 }, "end": { "local": "1955-11-03T20:46:18+03:00", "utc": "1955-11-03T17:46:18Z", "ms": -446883222124.4612 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-02T23:45:03+03:00", "utc": "1955-11-02T20:45:03Z", "ms": -446958897155.6711 }, "end": { "local": "1955-11-03T20:46:18+03:00", "utc": "1955-11-03T17:46:18Z", "ms": -446883222124.4612 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-11-02", "window": { "start": { "local": "1955-11-02T18:58:30+03:00", "utc": "1955-11-02T15:58:30Z", "ms": -446976089570.1047 }, "end": { "local": "1955-11-02T18:58:30+03:00", "utc": "1955-11-02T15:58:30Z", "ms": -446976089570.1047 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-11-03", "window": { "start": { "local": "1955-11-03T20:02:18+03:00", "utc": "1955-11-03T17:02:18Z", "ms": -446885862018.9141 }, "end": { "local": "1955-11-03T20:02:18+03:00", "utc": "1955-11-03T17:02:18Z", "ms": -446885862018.9141 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:45 on Wed 2 Nov to 20:46 on Thu 3 Nov.", "fact": "1955-11-02T20:45:03Z → 1955-11-03T17:46:18Z" }, { "step": "kaala", "text": "Moonrise is at 18:59 on the 2nd and 20:02 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2640 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mosul, 1955: Thursday 3 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": "1955-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-03", "confidence": "determinate" } ], "quote": "In Mosul, Saṅkaṣṭa Caturthī 1955 falls on Thursday 3 November. Caturthī runs from 23:45 on Wed 2 Nov to 20:46 on Thu 3 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/sankashta-chaturthi?on=1955-11-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34931, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1955-11-06T13:44:16+03:00", "utc": "1955-11-06T10:44:16Z", "ms": -446649343618.84784 }, "end": { "local": "1955-11-07T12:14:34+03:00", "utc": "1955-11-07T09:14:34Z", "ms": -446568326090.84985 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-06T13:44:16+03:00", "utc": "1955-11-06T10:44:16Z", "ms": -446649343618.84784 }, "end": { "local": "1955-11-07T12:14:34+03:00", "utc": "1955-11-07T09:14:34Z", "ms": -446568326090.84985 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-11-06", "window": { "start": { "local": "1955-11-06T23:26:27+03:00", "utc": "1955-11-06T20:26:27Z", "ms": -446614412704.9266 }, "end": { "local": "1955-11-06T23:26:27+03:00", "utc": "1955-11-06T20:26:27Z", "ms": -446614412704.9266 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-11-07", "window": { "start": { "local": "1955-11-08T00:31:52+03:00", "utc": "1955-11-07T21:31:52Z", "ms": -446524088093.5717 }, "end": { "local": "1955-11-08T00:31:52+03:00", "utc": "1955-11-07T21:31:52Z", "ms": -446524088093.5717 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 13:44 on Sun 6 Nov to 12:15 on Mon 7 Nov.", "fact": "1955-11-06T10:44:16Z → 1955-11-07T09:14:34Z" }, { "step": "kaala", "text": "Moonrise is at 23:26 on the 6th and 00:32 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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: paraviddha → only-day · margin 34931 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Mosul, 1955: Sunday 6 November.", "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": "1955-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-06", "confidence": "determinate" } ], "quote": "In Mosul, Ahoyī Aṣṭamī 1955 falls on Sunday 6 November. Aṣṭamī runs from 13:44 on Sun 6 Nov to 12:15 on Mon 7 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-11-10", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14350, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-11-09T10:41:23+03:00", "utc": "1955-11-09T07:41:23Z", "ms": -446401116656.213 }, "end": { "local": "1955-11-10T10:38:05+03:00", "utc": "1955-11-10T07:38:05Z", "ms": -446314915163.05316 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-09T10:41:23+03:00", "utc": "1955-11-09T07:41:23Z", "ms": -446401116656.213 }, "end": { "local": "1955-11-10T10:38:05+03:00", "utc": "1955-11-10T07:38:05Z", "ms": -446314915163.05316 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-11-09", "window": { "start": { "local": "1955-11-09T06:37:54+03:00", "utc": "1955-11-09T03:37:54Z", "ms": -446415726172.58453 }, "end": { "local": "1955-11-09T06:37:54+03:00", "utc": "1955-11-09T03:37:54Z", "ms": -446415726172.58453 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-11-10", "window": { "start": { "local": "1955-11-10T06:38:55+03:00", "utc": "1955-11-10T03:38:55Z", "ms": -446329265155.87604 }, "end": { "local": "1955-11-10T06:38:55+03:00", "utc": "1955-11-10T03:38:55Z", "ms": -446329265155.87604 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:41 on Wed 9 Nov to 10:38 on Thu 10 Nov.", "fact": "1955-11-09T07:41:23Z → 1955-11-10T07:38:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:38 on the 9th and 06:39 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14350 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Mosul, 1955: Thursday 10 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": "1955-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-10", "confidence": "determinate" } ], "quote": "In Mosul, Ramā Ekādaśī 1955 falls on Thursday 10 November. Ekādaśī runs from 10:41 on Wed 9 Nov to 10:38 on Thu 10 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-11-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21575, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1955-11-10T10:38:05+03:00", "utc": "1955-11-10T07:38:05Z", "ms": -446314915163.05316 }, "end": { "local": "1955-11-11T11:03:06+03:00", "utc": "1955-11-11T08:03:06Z", "ms": -446227013554.208 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-10T10:38:05+03:00", "utc": "1955-11-10T07:38:05Z", "ms": -446314915163.05316 }, "end": { "local": "1955-11-11T11:03:06+03:00", "utc": "1955-11-11T08:03:06Z", "ms": -446227013554.208 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-11-10", "window": { "start": { "local": "1955-11-10T17:03:30+03:00", "utc": "1955-11-10T14:03:30Z", "ms": -446291789602.7116 }, "end": { "local": "1955-11-10T18:52:22+03:00", "utc": "1955-11-10T15:52:22Z", "ms": -446285258189.3511 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "1955-11-11", "window": { "start": { "local": "1955-11-11T17:02:41+03:00", "utc": "1955-11-11T14:02:41Z", "ms": -446205438694.73566 }, "end": { "local": "1955-11-11T18:51:47+03:00", "utc": "1955-11-11T15:51:47Z", "ms": -446198892567.67053 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 10:38 on Thu 10 Nov to 11:03 on Fri 11 Nov.", "fact": "1955-11-10T07:38:05Z → 1955-11-11T08:03:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:04–18:52 on the 10th, 17:03–18:52 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 109 of 109 minutes on the 10th and 0 of 109 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21575 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Mosul, 1955: Thursday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-10", "confidence": "determinate" } ], "quote": "In Mosul, Govatsa Dvādaśī (Vasu Baras) 1955 falls on Thursday 10 November. Dvādaśī runs from 10:38 on Thu 10 Nov to 11:03 on Fri 11 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18359, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-11-11T11:03:06+03:00", "utc": "1955-11-11T08:03:06Z", "ms": -446227013554.208 }, "end": { "local": "1955-11-12T11:55:55+03:00", "utc": "1955-11-12T08:55:55Z", "ms": -446137444797.9483 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-11T11:03:06+03:00", "utc": "1955-11-11T08:03:06Z", "ms": -446227013554.208 }, "end": { "local": "1955-11-12T11:55:55+03:00", "utc": "1955-11-12T08:55:55Z", "ms": -446137444797.9483 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-11-11", "window": { "start": { "local": "1955-11-11T17:02:41+03:00", "utc": "1955-11-11T14:02:41Z", "ms": -446205438694.73566 }, "end": { "local": "1955-11-11T18:51:47+03:00", "utc": "1955-11-11T15:51:47Z", "ms": -446198892567.67053 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "1955-11-12", "window": { "start": { "local": "1955-11-12T17:01:54+03:00", "utc": "1955-11-12T14:01:54Z", "ms": -446119086162.1123 }, "end": { "local": "1955-11-12T18:51:14+03:00", "utc": "1955-11-12T15:51:14Z", "ms": -446112525527.7861 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:03 on Fri 11 Nov to 11:56 on Sat 12 Nov.", "fact": "1955-11-11T08:03:06Z → 1955-11-12T08:55:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:03–18:52 on the 11th, 17:02–18:51 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 109 of 109 minutes on the 11th and 0 of 109 on the 12th.", "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 18359 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Mosul, 1955: Friday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-11", "confidence": "determinate" } ], "quote": "In Mosul, Yama Dīpadāna 1955 falls on Friday 11 November. Trayodaśī runs from 11:03 on Fri 11 Nov to 11:56 on Sat 12 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/pradosha-vrata?on=1955-11-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18359, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-11-11T11:03:06+03:00", "utc": "1955-11-11T08:03:06Z", "ms": -446227013554.208 }, "end": { "local": "1955-11-12T11:55:55+03:00", "utc": "1955-11-12T08:55:55Z", "ms": -446137444797.9483 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-11T11:03:06+03:00", "utc": "1955-11-11T08:03:06Z", "ms": -446227013554.208 }, "end": { "local": "1955-11-12T11:55:55+03:00", "utc": "1955-11-12T08:55:55Z", "ms": -446137444797.9483 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-11-11", "window": { "start": { "local": "1955-11-11T17:02:41+03:00", "utc": "1955-11-11T14:02:41Z", "ms": -446205438694.73566 }, "end": { "local": "1955-11-11T18:51:47+03:00", "utc": "1955-11-11T15:51:47Z", "ms": -446198892567.67053 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "1955-11-12", "window": { "start": { "local": "1955-11-12T17:01:54+03:00", "utc": "1955-11-12T14:01:54Z", "ms": -446119086162.1123 }, "end": { "local": "1955-11-12T18:51:14+03:00", "utc": "1955-11-12T15:51:14Z", "ms": -446112525527.7861 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:03 on Fri 11 Nov to 11:56 on Sat 12 Nov.", "fact": "1955-11-11T08:03:06Z → 1955-11-12T08:55:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:03–18:52 on the 11th, 17:02–18:51 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 109 of 109 minutes on the 11th and 0 of 109 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18359 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 1955: Friday 11 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": "1955-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-11", "confidence": "determinate" } ], "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 1955 falls on Friday 11 November. Trayodaśī runs from 11:03 on Fri 11 Nov to 11:56 on Sat 12 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-11-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/shivaratri?on=1955-11-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36736, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-11-12T11:55:55+03:00", "utc": "1955-11-12T08:55:55Z", "ms": -446137444797.9483 }, "end": { "local": "1955-11-13T13:15:48+03:00", "utc": "1955-11-13T10:15:48Z", "ms": -446046252341.3957 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-12T11:55:55+03:00", "utc": "1955-11-12T08:55:55Z", "ms": -446137444797.9483 }, "end": { "local": "1955-11-13T13:15:48+03:00", "utc": "1955-11-13T10:15:48Z", "ms": -446046252341.3957 } }, "kaala": "nishita", "days": [ { "local_date": "1955-11-12", "window": { "start": { "local": "1955-11-12T23:27:56+03:00", "utc": "1955-11-12T20:27:56Z", "ms": -446095923783.38885 }, "end": { "local": "1955-11-13T00:15:56+03:00", "utc": "1955-11-12T21:15:56Z", "ms": -446093043783.38885 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-11-13", "window": { "start": { "local": "1955-11-13T23:28:04+03:00", "utc": "1955-11-13T20:28:04Z", "ms": -446009516001.5393 }, "end": { "local": "1955-11-14T00:16:04+03:00", "utc": "1955-11-13T21:16:04Z", "ms": -446006636001.5393 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:56 on Sat 12 Nov to 13:16 on Sun 13 Nov.", "fact": "1955-11-12T08:55:55Z → 1955-11-13T10:15:48Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:28–00:16 on the 12th, 23:28–00:16 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36736 s" }, { "step": "ruling", "text": "Śivarātri, Mosul, 1955: Saturday 12 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": "1955-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-12", "confidence": "determinate" } ], "quote": "In Mosul, Śivarātri 1955 falls on Saturday 12 November. Caturdaśī runs from 11:56 on Sat 12 Nov to 13:16 on Sun 13 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/shivaratri?on=1955-11-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18898, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-11-12T11:55:55+03:00", "utc": "1955-11-12T08:55:55Z", "ms": -446137444797.9483 }, "end": { "local": "1955-11-13T13:15:48+03:00", "utc": "1955-11-13T10:15:48Z", "ms": -446046252341.3957 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-12T11:55:55+03:00", "utc": "1955-11-12T08:55:55Z", "ms": -446137444797.9483 }, "end": { "local": "1955-11-13T13:15:48+03:00", "utc": "1955-11-13T10:15:48Z", "ms": -446046252341.3957 } }, "kaala": "arunodaya", "days": [ { "local_date": "1955-11-12", "window": { "start": { "local": "1955-11-12T04:51:51+03:00", "utc": "1955-11-12T01:51:51Z", "ms": -446162888868.81244 }, "end": { "local": "1955-11-12T06:40:57+03:00", "utc": "1955-11-12T03:40:57Z", "ms": -446156342741.7473 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "1955-11-13", "window": { "start": { "local": "1955-11-13T04:52:38+03:00", "utc": "1955-11-13T01:52:38Z", "ms": -446076442038.99164 }, "end": { "local": "1955-11-13T06:41:59+03:00", "utc": "1955-11-13T03:41:59Z", "ms": -446069881404.6654 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:56 on Sat 12 Nov to 13:16 on Sun 13 Nov.", "fact": "1955-11-12T08:55:55Z → 1955-11-13T10:15:48Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:52–06:41 on the 12th, 04:53–06:42 on the 13th.", "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 109 minutes on the 12th and 109 of 109 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18898 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Mosul, 1955: Sunday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-13", "confidence": "determinate" } ], "quote": "In Mosul, Naraka Caturdaśī (Choti Diwali) 1955 falls on Sunday 13 November. Caturdaśī runs from 11:56 on Sat 12 Nov to 13:16 on Sun 13 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7134, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1955-11-13T13:15:48+03:00", "utc": "1955-11-13T10:15:48Z", "ms": -446046252341.3957 }, "end": { "local": "1955-11-14T15:01:30+03:00", "utc": "1955-11-14T12:01:30Z", "ms": -445953510425.95636 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-13T13:15:48+03:00", "utc": "1955-11-13T10:15:48Z", "ms": -446046252341.3957 }, "end": { "local": "1955-11-14T15:01:30+03:00", "utc": "1955-11-14T12:01:30Z", "ms": -445953510425.95636 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-11-13", "window": { "start": { "local": "1955-11-13T17:01:08+03:00", "utc": "1955-11-13T14:01:08Z", "ms": -446032731979.0702 }, "end": { "local": "1955-11-13T18:50:43+03:00", "utc": "1955-11-13T15:50:43Z", "ms": -446026157051.72864 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "1955-11-14", "window": { "start": { "local": "1955-11-14T17:00:24+03:00", "utc": "1955-11-14T14:00:24Z", "ms": -445946376120.58417 }, "end": { "local": "1955-11-14T18:50:13+03:00", "utc": "1955-11-14T15:50:13Z", "ms": -445939787122.31525 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 13:16 on Sun 13 Nov to 15:01 on Mon 14 Nov.", "fact": "1955-11-13T10:15:48Z → 1955-11-14T12:01:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:01–18:51 on the 13th, 17:00–18:50 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 110 of 110 minutes on the 13th and 0 of 110 on the 14th.", "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 7134 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Mosul, 1955: Sunday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-13", "confidence": "determinate" } ], "quote": "In Mosul, Lakṣmī Pūjā (Diwali) 1955 falls on Sunday 13 November. Amāvasyā runs from 13:16 on Sun 13 Nov to 15:01 on Mon 14 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30403, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1955-11-13T13:15:48+03:00", "utc": "1955-11-13T10:15:48Z", "ms": -446046252341.3957 }, "end": { "local": "1955-11-14T15:01:30+03:00", "utc": "1955-11-14T12:01:30Z", "ms": -445953510425.95636 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-13T13:15:48+03:00", "utc": "1955-11-13T10:15:48Z", "ms": -446046252341.3957 }, "end": { "local": "1955-11-14T15:01:30+03:00", "utc": "1955-11-14T12:01:30Z", "ms": -445953510425.95636 } }, "kaala": "nishita", "days": [ { "local_date": "1955-11-13", "window": { "start": { "local": "1955-11-13T23:28:04+03:00", "utc": "1955-11-13T20:28:04Z", "ms": -446009516001.5393 }, "end": { "local": "1955-11-14T00:16:04+03:00", "utc": "1955-11-13T21:16:04Z", "ms": -446006636001.5393 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-11-14", "window": { "start": { "local": "1955-11-14T23:28:13+03:00", "utc": "1955-11-14T20:28:13Z", "ms": -445923107377.07574 }, "end": { "local": "1955-11-15T00:16:13+03:00", "utc": "1955-11-14T21:16:13Z", "ms": -445920227377.07574 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 13:16 on Sun 13 Nov to 15:01 on Mon 14 Nov.", "fact": "1955-11-13T10:15:48Z → 1955-11-14T12:01:30Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:28–00:16 on the 13th, 23:28–00:16 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "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 30403 s" }, { "step": "ruling", "text": "Kālī Pūjā, Mosul, 1955: Sunday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-13", "confidence": "determinate" } ], "quote": "In Mosul, Kālī Pūjā 1955 falls on Sunday 13 November. Amāvasyā runs from 13:16 on Sun 13 Nov to 15:01 on Mon 14 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-14", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 661, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1955-11-14T15:01:30+03:00", "utc": "1955-11-14T12:01:30Z", "ms": -445953510425.95636 }, "end": { "local": "1955-11-15T17:10:42+03:00", "utc": "1955-11-15T14:10:42Z", "ms": -445859357977.4376 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-14T15:01:30+03:00", "utc": "1955-11-14T12:01:30Z", "ms": -445953510425.95636 }, "end": { "local": "1955-11-15T17:10:42+03:00", "utc": "1955-11-15T14:10:42Z", "ms": -445859357977.4376 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-11-14", "window": { "start": { "local": "1955-11-14T17:00:24+03:00", "utc": "1955-11-14T14:00:24Z", "ms": -445946376120.58417 }, "end": { "local": "1955-11-14T18:50:13+03:00", "utc": "1955-11-14T15:50:13Z", "ms": -445939787122.31525 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "1955-11-15", "window": { "start": { "local": "1955-11-15T16:59:41+03:00", "utc": "1955-11-15T13:59:41Z", "ms": -445860018562.7683 }, "end": { "local": "1955-11-15T18:49:44+03:00", "utc": "1955-11-15T15:49:44Z", "ms": -445853415723.73676 } }, "covered_min": 11, "window_min": 110, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:01 on Mon 14 Nov to 17:11 on Tue 15 Nov.", "fact": "1955-11-14T12:01:30Z → 1955-11-15T14:10:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:00–18:50 on the 14th, 17:00–18:50 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 110 of 110 minutes on the 14th and 11 of 110 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 661 s" }, { "step": "ruling", "text": "Bali Pūjā, Mosul, 1955: Monday 14 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1955-11-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-14", "confidence": "boundary" } ], "quote": "In Mosul, Bali Pūjā 1955 falls on Monday 14 November. Pratipadā runs from 15:01 on Mon 14 Nov to 17:11 on Tue 15 Nov and covers all of pradoṣa that evening. It also reaches the next evening for 11 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/mosul/festivals/1955/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": "/mosul/festivals/1955/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9948, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1955-11-14T15:01:30+03:00", "utc": "1955-11-14T12:01:30Z", "ms": -445953510425.95636 }, "end": { "local": "1955-11-15T17:10:42+03:00", "utc": "1955-11-15T14:10:42Z", "ms": -445859357977.4376 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-14T15:01:30+03:00", "utc": "1955-11-14T12:01:30Z", "ms": -445953510425.95636 }, "end": { "local": "1955-11-15T17:10:42+03:00", "utc": "1955-11-15T14:10:42Z", "ms": -445859357977.4376 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-11-14", "window": { "start": { "local": "1955-11-14T11:27:42+03:00", "utc": "1955-11-14T08:27:42Z", "ms": -445966338072.29626 }, "end": { "local": "1955-11-14T12:15:42+03:00", "utc": "1955-11-14T09:15:42Z", "ms": -445963458072.29626 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-11-15", "window": { "start": { "local": "1955-11-15T11:27:51+03:00", "utc": "1955-11-15T08:27:51Z", "ms": -445879928598.16785 }, "end": { "local": "1955-11-15T12:15:51+03:00", "utc": "1955-11-15T09:15:51Z", "ms": -445877048598.16785 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:01 on Mon 14 Nov to 17:11 on Tue 15 Nov.", "fact": "1955-11-14T12:01:30Z → 1955-11-15T14:10:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 14th, 11:28–12:16 on the 15th.", "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 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9948 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Mosul, 1955: Tuesday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-15", "confidence": "determinate" } ], "quote": "In Mosul, Govardhana Pūjā 1955 falls on Tuesday 15 November. Pratipadā runs from 15:01 on Mon 14 Nov to 17:11 on Tue 15 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17562, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1955-11-14T15:01:30+03:00", "utc": "1955-11-14T12:01:30Z", "ms": -445953510425.95636 }, "end": { "local": "1955-11-15T17:10:42+03:00", "utc": "1955-11-15T14:10:42Z", "ms": -445859357977.4376 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-14T15:01:30+03:00", "utc": "1955-11-14T12:01:30Z", "ms": -445953510425.95636 }, "end": { "local": "1955-11-15T17:10:42+03:00", "utc": "1955-11-15T14:10:42Z", "ms": -445859357977.4376 } }, "kaala": "purvahna", "days": [ { "local_date": "1955-11-14", "window": { "start": { "local": "1955-11-14T06:43:00+03:00", "utc": "1955-11-14T03:43:00Z", "ms": -445983420024.00836 }, "end": { "local": "1955-11-14T10:08:48+03:00", "utc": "1955-11-14T07:08:48Z", "ms": -445971072056.2003 } }, "covered_min": 0, "window_min": 206, "qualifies": false }, { "local_date": "1955-11-15", "window": { "start": { "local": "1955-11-15T06:44:01+03:00", "utc": "1955-11-15T03:44:01Z", "ms": -445896958633.5673 }, "end": { "local": "1955-11-15T10:09:15+03:00", "utc": "1955-11-15T07:09:15Z", "ms": -445884645276.63434 } }, "covered_min": 205, "window_min": 205, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:01 on Mon 14 Nov to 17:11 on Tue 15 Nov.", "fact": "1955-11-14T12:01:30Z → 1955-11-15T14:10:42Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:43–10:09 on the 14th, 06:44–10:09 on the 15th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 206 minutes on the 14th and 205 of 205 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17562 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Mosul, 1955: Tuesday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-15", "confidence": "determinate" } ], "quote": "In Mosul, Dyūta Pratipad 1955 falls on Tuesday 15 November. Pratipadā runs from 15:01 on Mon 14 Nov to 17:11 on Tue 15 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17691, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1955-11-15T17:10:42+03:00", "utc": "1955-11-15T14:10:42Z", "ms": -445859357977.4376 }, "end": { "local": "1955-11-16T19:39:21+03:00", "utc": "1955-11-16T16:39:21Z", "ms": -445764039281.09784 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-15T17:10:42+03:00", "utc": "1955-11-15T14:10:42Z", "ms": -445859357977.4376 }, "end": { "local": "1955-11-16T19:39:21+03:00", "utc": "1955-11-16T16:39:21Z", "ms": -445764039281.09784 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-11-15", "window": { "start": { "local": "1955-11-15T11:27:51+03:00", "utc": "1955-11-15T08:27:51Z", "ms": -445879928598.16785 }, "end": { "local": "1955-11-15T12:15:51+03:00", "utc": "1955-11-15T09:15:51Z", "ms": -445877048598.16785 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-11-16", "window": { "start": { "local": "1955-11-16T11:28:02+03:00", "utc": "1955-11-16T08:28:02Z", "ms": -445793518275.4153 }, "end": { "local": "1955-11-16T12:16:02+03:00", "utc": "1955-11-16T09:16:02Z", "ms": -445790638275.4153 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:11 on Tue 15 Nov to 19:39 on Wed 16 Nov.", "fact": "1955-11-15T14:10:42Z → 1955-11-16T16:39:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 15th, 11:28–12:16 on the 16th.", "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 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17691 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Mosul, 1955: Wednesday 16 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-16", "confidence": "determinate" } ], "quote": "In Mosul, Yama Dvitīyā (Bhai Dooj) 1955 falls on Wednesday 16 November. Dvitīyā runs from 17:11 on Tue 15 Nov to 19:39 on Wed 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36287, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-11-17T22:21:00+03:00", "utc": "1955-11-17T19:21:00Z", "ms": -445667939647.5808 }, "end": { "local": "1955-11-19T01:06:40+03:00", "utc": "1955-11-18T22:06:40Z", "ms": -445571600353.8877 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-17T22:21:00+03:00", "utc": "1955-11-17T19:21:00Z", "ms": -445667939647.5808 }, "end": { "local": "1955-11-19T01:06:40+03:00", "utc": "1955-11-18T22:06:40Z", "ms": -445571600353.8877 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-11-17", "window": { "start": { "local": "1955-11-17T11:28:13+03:00", "utc": "1955-11-17T08:28:13Z", "ms": -445707107110.8631 }, "end": { "local": "1955-11-17T12:16:13+03:00", "utc": "1955-11-17T09:16:13Z", "ms": -445704227110.8631 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-11-18", "window": { "start": { "local": "1955-11-18T11:28:25+03:00", "utc": "1955-11-18T08:28:25Z", "ms": -445620695112.15906 }, "end": { "local": "1955-11-18T12:16:25+03:00", "utc": "1955-11-18T09:16:25Z", "ms": -445617815112.15906 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:21 on Thu 17 Nov to 01:07 on Sat 19 Nov.", "fact": "1955-11-17T19:21:00Z → 1955-11-18T22:06:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 17th, 11:28–12:16 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36287 s" }, { "step": "ruling", "text": "Nāga Caturthī, Mosul, 1955: Friday 18 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-18", "confidence": "determinate" } ], "quote": "In Mosul, Nāga Caturthī 1955 falls on Friday 18 November. Caturthī runs from 22:21 on Thu 17 Nov to 01:07 on Sat 19 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/vinayaka-chaturthi?on=1955-11-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36287, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-11-17T22:21:00+03:00", "utc": "1955-11-17T19:21:00Z", "ms": -445667939647.5808 }, "end": { "local": "1955-11-19T01:06:40+03:00", "utc": "1955-11-18T22:06:40Z", "ms": -445571600353.8877 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-17T22:21:00+03:00", "utc": "1955-11-17T19:21:00Z", "ms": -445667939647.5808 }, "end": { "local": "1955-11-19T01:06:40+03:00", "utc": "1955-11-18T22:06:40Z", "ms": -445571600353.8877 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-11-17", "window": { "start": { "local": "1955-11-17T11:28:13+03:00", "utc": "1955-11-17T08:28:13Z", "ms": -445707107110.8631 }, "end": { "local": "1955-11-17T12:16:13+03:00", "utc": "1955-11-17T09:16:13Z", "ms": -445704227110.8631 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-11-18", "window": { "start": { "local": "1955-11-18T11:28:25+03:00", "utc": "1955-11-18T08:28:25Z", "ms": -445620695112.15906 }, "end": { "local": "1955-11-18T12:16:25+03:00", "utc": "1955-11-18T09:16:25Z", "ms": -445617815112.15906 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:21 on Thu 17 Nov to 01:07 on Sat 19 Nov.", "fact": "1955-11-17T19:21:00Z → 1955-11-18T22:06:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 17th, 11:28–12:16 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36287 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mosul, 1955: Friday 18 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": "1955-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-18", "confidence": "determinate" } ], "quote": "In Mosul, Vināyaka Caturthī 1955 falls on Friday 18 November. Caturthī runs from 22:21 on Thu 17 Nov to 01:07 on Sat 19 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/vinayaka-chaturthi?on=1955-11-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19525, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1955-11-20T03:45:02+03:00", "utc": "1955-11-20T00:45:02Z", "ms": -445475697612.629 }, "end": { "local": "1955-11-21T06:03:41+03:00", "utc": "1955-11-21T03:03:41Z", "ms": -445380978879.2106 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-20T03:45:02+03:00", "utc": "1955-11-20T00:45:02Z", "ms": -445475697612.629 }, "end": { "local": "1955-11-21T06:03:41+03:00", "utc": "1955-11-21T03:03:41Z", "ms": -445380978879.2106 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-11-20", "window": { "start": { "local": "1955-11-20T11:28:51+03:00", "utc": "1955-11-20T08:28:51Z", "ms": -445447868646.74304 }, "end": { "local": "1955-11-20T12:16:51+03:00", "utc": "1955-11-20T09:16:51Z", "ms": -445444988646.74304 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-11-21", "window": { "start": { "local": "1955-11-21T11:29:06+03:00", "utc": "1955-11-21T08:29:06Z", "ms": -445361454199.08716 }, "end": { "local": "1955-11-21T12:17:06+03:00", "utc": "1955-11-21T09:17:06Z", "ms": -445358574199.08716 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:45 on Sun 20 Nov to 06:04 on Mon 21 Nov.", "fact": "1955-11-20T00:45:02Z → 1955-11-21T03:03:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 20th, 11:29–12:17 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19525 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Mosul, 1955: Sunday 20 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-20", "confidence": "determinate" } ], "quote": "In Mosul, Sūrya Ṣaṣṭhī (Chhath) 1955 falls on Sunday 20 November. Ṣaṣṭhī runs from 03:45 on Sun 20 Nov to 06:04 on Mon 21 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9229, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1955-11-22T07:50:34+03:00", "utc": "1955-11-22T04:50:34Z", "ms": -445288166152.89307 }, "end": { "local": "1955-11-23T08:55:48+03:00", "utc": "1955-11-23T05:55:48Z", "ms": -445197852282.4405 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-22T07:50:34+03:00", "utc": "1955-11-22T04:50:34Z", "ms": -445288166152.89307 }, "end": { "local": "1955-11-23T08:55:48+03:00", "utc": "1955-11-23T05:55:48Z", "ms": -445197852282.4405 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-11-22", "window": { "start": { "local": "1955-11-22T11:29:21+03:00", "utc": "1955-11-22T08:29:21Z", "ms": -445275038955.3174 }, "end": { "local": "1955-11-22T12:17:21+03:00", "utc": "1955-11-22T09:17:21Z", "ms": -445272158955.3174 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-11-23", "window": { "start": { "local": "1955-11-23T11:29:37+03:00", "utc": "1955-11-23T08:29:37Z", "ms": -445188622926.5904 }, "end": { "local": "1955-11-23T12:17:37+03:00", "utc": "1955-11-23T09:17:37Z", "ms": -445185742926.5904 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:51 on Tue 22 Nov to 08:56 on Wed 23 Nov.", "fact": "1955-11-22T04:50:34Z → 1955-11-23T05:55:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 22nd, 11:30–12:18 on the 23rd.", "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 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: unstated → only-day · margin 9229 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Mosul, 1955: Tuesday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-22", "confidence": "determinate" } ], "quote": "In Mosul, Gopāṣṭamī 1955 falls on Tuesday 22 November. Aṣṭamī runs from 07:51 on Tue 22 Nov to 08:56 on Wed 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8215, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1955-11-23T08:55:48+03:00", "utc": "1955-11-23T05:55:48Z", "ms": -445197852282.4405 }, "end": { "local": "1955-11-24T09:12:59+03:00", "utc": "1955-11-24T06:12:59Z", "ms": -445110421269.71875 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-23T08:55:48+03:00", "utc": "1955-11-23T05:55:48Z", "ms": -445197852282.4405 }, "end": { "local": "1955-11-24T09:12:59+03:00", "utc": "1955-11-24T06:12:59Z", "ms": -445110421269.71875 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-11-23", "window": { "start": { "local": "1955-11-23T11:29:37+03:00", "utc": "1955-11-23T08:29:37Z", "ms": -445188622926.5904 }, "end": { "local": "1955-11-23T12:17:37+03:00", "utc": "1955-11-23T09:17:37Z", "ms": -445185742926.5904 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-11-24", "window": { "start": { "local": "1955-11-24T11:29:54+03:00", "utc": "1955-11-24T08:29:54Z", "ms": -445102206124.5552 }, "end": { "local": "1955-11-24T12:17:54+03:00", "utc": "1955-11-24T09:17:54Z", "ms": -445099326124.5552 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 08:56 on Wed 23 Nov to 09:13 on Thu 24 Nov.", "fact": "1955-11-23T05:55:48Z → 1955-11-24T06:12:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 23rd, 11:30–12:18 on the 24th.", "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 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 8215 s" }, { "step": "ruling", "text": "Durgā Navamī, Mosul, 1955: Wednesday 23 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-23", "confidence": "determinate" } ], "quote": "In Mosul, Durgā Navamī 1955 falls on Wednesday 23 November. Navamī runs from 08:56 on Wed 23 Nov to 09:13 on Thu 24 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-24", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 3640, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1955-11-23T08:55:48+03:00", "utc": "1955-11-23T05:55:48Z", "ms": -445197852282.4405 }, "end": { "local": "1955-11-24T09:12:59+03:00", "utc": "1955-11-24T06:12:59Z", "ms": -445110421269.71875 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-23T08:55:48+03:00", "utc": "1955-11-23T05:55:48Z", "ms": -445197852282.4405 }, "end": { "local": "1955-11-24T09:12:59+03:00", "utc": "1955-11-24T06:12:59Z", "ms": -445110421269.71875 } }, "kaala": "purvahna", "days": [ { "local_date": "1955-11-23", "window": { "start": { "local": "1955-11-23T06:52:08+03:00", "utc": "1955-11-23T03:52:08Z", "ms": -445205271695.5528 }, "end": { "local": "1955-11-23T10:13:07+03:00", "utc": "1955-11-23T07:13:07Z", "ms": -445193212516.2445 } }, "covered_min": 77, "window_min": 201, "qualifies": true }, { "local_date": "1955-11-24", "window": { "start": { "local": "1955-11-24T06:53:08+03:00", "utc": "1955-11-24T03:53:08Z", "ms": -445118811953.84467 }, "end": { "local": "1955-11-24T10:13:39+03:00", "utc": "1955-11-24T07:13:39Z", "ms": -445106781400.985 } }, "covered_min": 140, "window_min": 201, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Navamī runs from 08:56 on Wed 23 Nov to 09:13 on Thu 24 Nov.", "fact": "1955-11-23T05:55:48Z → 1955-11-24T06:12:59Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:52–10:13 on the 23rd, 06:53–10:14 on the 24th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 77 of 201 minutes on the 23rd and 140 of 201 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 3640 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Mosul, 1955: Thursday 24 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-11-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-24", "confidence": "boundary" } ], "quote": "In Mosul, Akṣaya Navamī (Amla Navami) 1955 falls on Thursday 24 November. Navamī runs from 08:56 on Wed 23 Nov to 09:13 on Thu 24 Nov and covers 140 of 201 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 77 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/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-11-26", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1363, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-11-25T08:39:47+03:00", "utc": "1955-11-25T05:39:47Z", "ms": -445026012646.2519 }, "end": { "local": "1955-11-26T07:17:49+03:00", "utc": "1955-11-26T04:17:49Z", "ms": -444944530787.9767 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-25T08:39:47+03:00", "utc": "1955-11-25T05:39:47Z", "ms": -445026012646.2519 }, "end": { "local": "1955-11-26T07:17:49+03:00", "utc": "1955-11-26T04:17:49Z", "ms": -444944530787.9767 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-11-25", "window": { "start": { "local": "1955-11-25T06:54:07+03:00", "utc": "1955-11-25T03:54:07Z", "ms": -445032352601.9374 }, "end": { "local": "1955-11-25T06:54:07+03:00", "utc": "1955-11-25T03:54:07Z", "ms": -445032352601.9374 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-11-26", "window": { "start": { "local": "1955-11-26T06:55:06+03:00", "utc": "1955-11-26T03:55:06Z", "ms": -444945893682.18427 }, "end": { "local": "1955-11-26T06:55:06+03:00", "utc": "1955-11-26T03:55:06Z", "ms": -444945893682.18427 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:40 on Fri 25 Nov to 07:18 on Sat 26 Nov.", "fact": "1955-11-25T05:39:47Z → 1955-11-26T04:17:49Z" }, { "step": "kaala", "text": "Sunrise is at 06:54 on the 25th and 06:55 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1363 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Mosul, 1955: Saturday 26 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": "1955-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-26", "confidence": "determinate" } ], "quote": "In Mosul, Prabodhinī Ekādaśī 1955 falls on Saturday 26 November. Ekādaśī runs from 08:40 on Fri 25 Nov to 07:18 on Sat 26 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-11-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-11-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27797, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-11-27T05:11:55+03:00", "utc": "1955-11-27T02:11:55Z", "ms": -444865685020.2317 }, "end": { "local": "1955-11-28T02:29:18+03:00", "utc": "1955-11-27T23:29:18Z", "ms": -444789042025.7944 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-27T05:11:55+03:00", "utc": "1955-11-27T02:11:55Z", "ms": -444865685020.2317 }, "end": { "local": "1955-11-28T02:29:18+03:00", "utc": "1955-11-27T23:29:18Z", "ms": -444789042025.7944 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-11-26", "window": { "start": { "local": "1955-11-26T16:53:53+03:00", "utc": "1955-11-26T13:53:53Z", "ms": -444909966815.20917 }, "end": { "local": "1955-11-26T18:46:11+03:00", "utc": "1955-11-26T15:46:11Z", "ms": -444903229271.3784 } }, "covered_min": 0, "window_min": 112, "qualifies": false }, { "local_date": "1955-11-27", "window": { "start": { "local": "1955-11-27T16:53:33+03:00", "utc": "1955-11-27T13:53:33Z", "ms": -444823587161.9517 }, "end": { "local": "1955-11-27T18:46:01+03:00", "utc": "1955-11-27T15:46:01Z", "ms": -444816839181.17755 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:12 on Sun 27 Nov to 02:29 on Mon 28 Nov.", "fact": "1955-11-27T02:11:55Z → 1955-11-27T23:29:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:54–18:46 on the 26th, 16:54–18:46 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 112 minutes on the 26th and 112 of 112 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27797 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mosul, 1955: Sunday 27 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": "1955-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-27", "confidence": "determinate" } ], "quote": "In Mosul, Śukla Pradoṣa Vrata 1955 falls on Sunday 27 November. Trayodaśī runs from 05:12 on Sun 27 Nov to 02:29 on Mon 28 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 774, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-11-28T23:18:44+03:00", "utc": "1955-11-28T20:18:44Z", "ms": -444714076276.3911 }, "end": { "local": "1955-11-29T19:49:49+03:00", "utc": "1955-11-29T16:49:49Z", "ms": -444640211341.89417 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-28T23:18:44+03:00", "utc": "1955-11-28T20:18:44Z", "ms": -444714076276.3911 }, "end": { "local": "1955-11-29T19:49:49+03:00", "utc": "1955-11-29T16:49:49Z", "ms": -444640211341.89417 } }, "kaala": "nishita", "days": [ { "local_date": "1955-11-28", "window": { "start": { "local": "1955-11-28T23:31:37+03:00", "utc": "1955-11-28T20:31:37Z", "ms": -444713302737.86743 }, "end": { "local": "1955-11-29T00:19:37+03:00", "utc": "1955-11-28T21:19:37Z", "ms": -444710422737.86743 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-11-29", "window": { "start": { "local": "1955-11-29T23:31:57+03:00", "utc": "1955-11-29T20:31:57Z", "ms": -444626882549.48737 }, "end": { "local": "1955-11-30T00:19:57+03:00", "utc": "1955-11-29T21:19:57Z", "ms": -444624002549.48737 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:19 on Mon 28 Nov to 19:50 on Tue 29 Nov.", "fact": "1955-11-28T20:18:44Z → 1955-11-29T16:49:49Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:32–00:20 on the 28th, 23:32–00:20 on the 29th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 774 s" }, { "step": "ruling", "text": "Rāsayātrā, Mosul, 1955: Monday 28 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": "1955-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-28", "confidence": "determinate" } ], "quote": "In Mosul, Rāsayātrā 1955 falls on Monday 28 November. Pūrṇimā runs from 23:19 on Mon 28 Nov to 19:50 on Tue 29 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27020, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-11-28T23:18:44+03:00", "utc": "1955-11-28T20:18:44Z", "ms": -444714076276.3911 }, "end": { "local": "1955-11-29T19:49:49+03:00", "utc": "1955-11-29T16:49:49Z", "ms": -444640211341.89417 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1955-11-28T23:18:44+03:00", "utc": "1955-11-28T20:18:44Z", "ms": -444714076276.3911 }, "end": { "local": "1955-11-29T19:49:49+03:00", "utc": "1955-11-29T16:49:49Z", "ms": -444640211341.89417 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-11-28", "window": { "start": { "local": "1955-11-28T11:31:09+03:00", "utc": "1955-11-28T08:31:09Z", "ms": -444756531424.8832 }, "end": { "local": "1955-11-28T12:19:09+03:00", "utc": "1955-11-28T09:19:09Z", "ms": -444753651424.8832 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-11-29", "window": { "start": { "local": "1955-11-29T11:31:29+03:00", "utc": "1955-11-29T08:31:29Z", "ms": -444670110937.849 }, "end": { "local": "1955-11-29T12:19:29+03:00", "utc": "1955-11-29T09:19:29Z", "ms": -444667230937.849 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:19 on Mon 28 Nov to 19:50 on Tue 29 Nov.", "fact": "1955-11-28T20:18:44Z → 1955-11-29T16:49:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 28th, 11:31–12:19 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27020 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Mosul, 1955: Tuesday 29 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": "1955-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-11-29", "confidence": "determinate" } ], "quote": "In Mosul, Kārtikī Pūrṇimā 1955 falls on Tuesday 29 November. Pūrṇimā runs from 23:19 on Mon 28 Nov to 19:50 on Tue 29 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/sankashta-chaturthi?on=1955-12-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36253, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-12-02T09:11:47+03:00", "utc": "1955-12-02T06:11:47Z", "ms": -444419292776.48004 }, "end": { "local": "1955-12-03T06:06:47+03:00", "utc": "1955-12-03T03:06:47Z", "ms": -444343992605.8644 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-02T09:11:47+03:00", "utc": "1955-12-02T06:11:47Z", "ms": -444419292776.48004 }, "end": { "local": "1955-12-03T06:06:47+03:00", "utc": "1955-12-03T03:06:47Z", "ms": -444343992605.8644 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-12-01", "window": { "start": { "local": "1955-12-01T18:51:01+03:00", "utc": "1955-12-01T15:51:01Z", "ms": -444470938569.50024 }, "end": { "local": "1955-12-01T18:51:01+03:00", "utc": "1955-12-01T15:51:01Z", "ms": -444470938569.50024 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1955-12-02", "window": { "start": { "local": "1955-12-02T20:02:35+03:00", "utc": "1955-12-02T17:02:35Z", "ms": -444380245456.6406 }, "end": { "local": "1955-12-02T20:02:35+03:00", "utc": "1955-12-02T17:02:35Z", "ms": -444380245456.6406 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:12 on Fri 2 Dec to 06:07 on Sat 3 Dec.", "fact": "1955-12-02T06:11:47Z → 1955-12-03T03:06:47Z" }, { "step": "kaala", "text": "Moonrise is at 18:51 on the 1st and 20:03 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36253 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mosul, 1955: Friday 2 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": "1955-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-02", "confidence": "determinate" } ], "quote": "In Mosul, Saṅkaṣṭa Caturthī 1955 falls on Friday 2 December. Caturthī runs from 09:12 on Fri 2 Dec to 06:07 on Sat 3 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/sankashta-chaturthi?on=1955-12-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/ekadashi?on=1955-12-09", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21462, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-12-08T23:56:10+03:00", "utc": "1955-12-08T20:56:10Z", "ms": -443847829615.0386 }, "end": { "local": "1955-12-10T01:09:59+03:00", "utc": "1955-12-09T22:09:59Z", "ms": -443757000501.13574 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-08T23:56:10+03:00", "utc": "1955-12-08T20:56:10Z", "ms": -443847829615.0386 }, "end": { "local": "1955-12-10T01:09:59+03:00", "utc": "1955-12-09T22:09:59Z", "ms": -443757000501.13574 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-12-09", "window": { "start": { "local": "1955-12-09T07:06:54+03:00", "utc": "1955-12-09T04:06:54Z", "ms": -443821986415.5426 }, "end": { "local": "1955-12-09T07:06:54+03:00", "utc": "1955-12-09T04:06:54Z", "ms": -443821986415.5426 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-12-10", "window": { "start": { "local": "1955-12-10T07:07:42+03:00", "utc": "1955-12-10T04:07:42Z", "ms": -443735538141.67053 }, "end": { "local": "1955-12-10T07:07:42+03:00", "utc": "1955-12-10T04:07:42Z", "ms": -443735538141.67053 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:56 on Thu 8 Dec to 01:10 on Sat 10 Dec.", "fact": "1955-12-08T20:56:10Z → 1955-12-09T22:09:59Z" }, { "step": "kaala", "text": "Sunrise is at 07:07 on the 9th and 07:08 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21462 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Mosul, 1955: Friday 9 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": "1955-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-09", "confidence": "determinate" } ], "quote": "In Mosul, Utpannā Ekādaśī 1955 falls on Friday 9 December. Ekādaśī runs from 23:56 on Thu 8 Dec to 01:10 on Sat 10 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-12-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/pradosha-vrata?on=1955-12-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29262, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-12-11T02:54:04+03:00", "utc": "1955-12-10T23:54:04Z", "ms": -443664355540.7648 }, "end": { "local": "1955-12-12T05:02:25+03:00", "utc": "1955-12-12T02:02:25Z", "ms": -443570255188.9399 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-11T02:54:04+03:00", "utc": "1955-12-10T23:54:04Z", "ms": -443664355540.7648 }, "end": { "local": "1955-12-12T05:02:25+03:00", "utc": "1955-12-12T02:02:25Z", "ms": -443570255188.9399 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-12-10", "window": { "start": { "local": "1955-12-10T16:52:12+03:00", "utc": "1955-12-10T13:52:12Z", "ms": -443700468210.6292 }, "end": { "local": "1955-12-10T18:46:22+03:00", "utc": "1955-12-10T15:46:22Z", "ms": -443693617915.1567 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "1955-12-11", "window": { "start": { "local": "1955-12-11T16:52:20+03:00", "utc": "1955-12-11T13:52:20Z", "ms": -443614060154.5328 }, "end": { "local": "1955-12-11T18:46:35+03:00", "utc": "1955-12-11T15:46:35Z", "ms": -443607204804.07056 } }, "covered_min": 114, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:54 on Sun 11 Dec to 05:02 on Mon 12 Dec.", "fact": "1955-12-10T23:54:04Z → 1955-12-12T02:02:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:52–18:46 on the 10th, 16:52–18:47 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 114 minutes on the 10th and 114 of 114 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29262 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 1955: Sunday 11 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": "1955-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-11", "confidence": "determinate" } ], "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 1955 falls on Sunday 11 December. Trayodaśī runs from 02:54 on Sun 11 Dec to 05:02 on Mon 12 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-12-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/shivaratri?on=1955-12-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16657, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1955-12-12T05:02:25+03:00", "utc": "1955-12-12T02:02:25Z", "ms": -443570255188.9399 }, "end": { "local": "1955-12-13T07:28:48+03:00", "utc": "1955-12-13T04:28:48Z", "ms": -443475072088.4486 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-12T05:02:25+03:00", "utc": "1955-12-12T02:02:25Z", "ms": -443570255188.9399 }, "end": { "local": "1955-12-13T07:28:48+03:00", "utc": "1955-12-13T04:28:48Z", "ms": -443475072088.4486 } }, "kaala": "nishita", "days": [ { "local_date": "1955-12-11", "window": { "start": { "local": "1955-12-11T23:36:47+03:00", "utc": "1955-12-11T20:36:47Z", "ms": -443589792590.29944 }, "end": { "local": "1955-12-12T00:24:47+03:00", "utc": "1955-12-11T21:24:47Z", "ms": -443586912590.29944 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-12-12", "window": { "start": { "local": "1955-12-12T23:37:15+03:00", "utc": "1955-12-12T20:37:15Z", "ms": -443503365187.4941 }, "end": { "local": "1955-12-13T00:25:15+03:00", "utc": "1955-12-12T21:25:15Z", "ms": -443500485187.4941 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:02 on Mon 12 Dec to 07:29 on Tue 13 Dec.", "fact": "1955-12-12T02:02:25Z → 1955-12-13T04:28:48Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:37–00:25 on the 11th, 23:37–00:25 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16657 s" }, { "step": "ruling", "text": "Śivarātri, Mosul, 1955: Monday 12 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": "1955-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-12", "confidence": "determinate" } ], "quote": "In Mosul, Śivarātri 1955 falls on Monday 12 December. Caturdaśī runs from 05:02 on Mon 12 Dec to 07:29 on Tue 13 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/mosul/festivals/1955/shivaratri?on=1955-12-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/vinayaka-chaturthi?on=1955-12-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20505, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-12-17T18:09:03+03:00", "utc": "1955-12-17T15:09:03Z", "ms": -443091057476.7422 }, "end": { "local": "1955-12-18T20:28:26+03:00", "utc": "1955-12-18T17:28:26Z", "ms": -442996293588.60626 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-17T18:09:03+03:00", "utc": "1955-12-17T15:09:03Z", "ms": -443091057476.7422 }, "end": { "local": "1955-12-18T20:28:26+03:00", "utc": "1955-12-18T17:28:26Z", "ms": -442996293588.60626 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-12-17", "window": { "start": { "local": "1955-12-17T11:39:18+03:00", "utc": "1955-12-17T08:39:18Z", "ms": -443114442442.7405 }, "end": { "local": "1955-12-17T12:27:18+03:00", "utc": "1955-12-17T09:27:18Z", "ms": -443111562442.7405 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-12-18", "window": { "start": { "local": "1955-12-18T11:39:47+03:00", "utc": "1955-12-18T08:39:47Z", "ms": -443028012666.71155 }, "end": { "local": "1955-12-18T12:27:47+03:00", "utc": "1955-12-18T09:27:47Z", "ms": -443025132666.71155 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:09 on Sat 17 Dec to 20:28 on Sun 18 Dec.", "fact": "1955-12-17T15:09:03Z → 1955-12-18T17:28:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 17th, 11:40–12:28 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20505 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mosul, 1955: Sunday 18 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": "1955-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-18", "confidence": "determinate" } ], "quote": "In Mosul, Vināyaka Caturthī 1955 falls on Sunday 18 December. Caturthī runs from 18:09 on Sat 17 Dec to 20:28 on Sun 18 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/vinayaka-chaturthi?on=1955-12-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28839, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1955-12-18T20:28:26+03:00", "utc": "1955-12-18T17:28:26Z", "ms": -442996293588.60626 }, "end": { "local": "1955-12-19T22:24:00+03:00", "utc": "1955-12-19T19:24:00Z", "ms": -442902959698.53735 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-18T20:28:26+03:00", "utc": "1955-12-18T17:28:26Z", "ms": -442996293588.60626 }, "end": { "local": "1955-12-19T22:24:00+03:00", "utc": "1955-12-19T19:24:00Z", "ms": -442902959698.53735 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-12-18", "window": { "start": { "local": "1955-12-18T11:39:47+03:00", "utc": "1955-12-18T08:39:47Z", "ms": -443028012666.71155 }, "end": { "local": "1955-12-18T12:27:47+03:00", "utc": "1955-12-18T09:27:47Z", "ms": -443025132666.71155 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-12-19", "window": { "start": { "local": "1955-12-19T11:40:17+03:00", "utc": "1955-12-19T08:40:17Z", "ms": -442941582724.9789 }, "end": { "local": "1955-12-19T12:28:17+03:00", "utc": "1955-12-19T09:28:17Z", "ms": -442938702724.9789 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:28 on Sun 18 Dec to 22:24 on Mon 19 Dec.", "fact": "1955-12-18T17:28:26Z → 1955-12-19T19:24:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 18th, 11:40–12:28 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28839 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Mosul, 1955: Monday 19 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-19", "confidence": "determinate" } ], "quote": "In Mosul, Nāga Pañcamī (Mārgaśīrṣa) 1955 falls on Monday 19 December. Pañcamī runs from 20:28 on Sun 18 Dec to 22:24 on Mon 19 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35743, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1955-12-19T22:24:00+03:00", "utc": "1955-12-19T19:24:00Z", "ms": -442902959698.53735 }, "end": { "local": "1955-12-20T23:47:48+03:00", "utc": "1955-12-20T20:47:48Z", "ms": -442811532374.284 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-19T22:24:00+03:00", "utc": "1955-12-19T19:24:00Z", "ms": -442902959698.53735 }, "end": { "local": "1955-12-20T23:47:48+03:00", "utc": "1955-12-20T20:47:48Z", "ms": -442811532374.284 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-12-19", "window": { "start": { "local": "1955-12-19T11:40:17+03:00", "utc": "1955-12-19T08:40:17Z", "ms": -442941582724.9789 }, "end": { "local": "1955-12-19T12:28:17+03:00", "utc": "1955-12-19T09:28:17Z", "ms": -442938702724.9789 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-12-20", "window": { "start": { "local": "1955-12-20T11:40:47+03:00", "utc": "1955-12-20T08:40:47Z", "ms": -442855152654.2296 }, "end": { "local": "1955-12-20T12:28:47+03:00", "utc": "1955-12-20T09:28:47Z", "ms": -442852272654.2296 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:24 on Mon 19 Dec to 23:48 on Tue 20 Dec.", "fact": "1955-12-19T19:24:00Z → 1955-12-20T20:47:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 19th, 11:41–12:29 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 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 35743 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Mosul, 1955: Tuesday 20 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-20", "confidence": "determinate" } ], "quote": "In Mosul, Campā Ṣaṣṭhī 1955 falls on Tuesday 20 December. Ṣaṣṭhī runs from 22:24 on Mon 19 Dec to 23:48 on Tue 20 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35743, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1955-12-19T22:24:00+03:00", "utc": "1955-12-19T19:24:00Z", "ms": -442902959698.53735 }, "end": { "local": "1955-12-20T23:47:48+03:00", "utc": "1955-12-20T20:47:48Z", "ms": -442811532374.284 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-19T22:24:00+03:00", "utc": "1955-12-19T19:24:00Z", "ms": -442902959698.53735 }, "end": { "local": "1955-12-20T23:47:48+03:00", "utc": "1955-12-20T20:47:48Z", "ms": -442811532374.284 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-12-19", "window": { "start": { "local": "1955-12-19T11:40:17+03:00", "utc": "1955-12-19T08:40:17Z", "ms": -442941582724.9789 }, "end": { "local": "1955-12-19T12:28:17+03:00", "utc": "1955-12-19T09:28:17Z", "ms": -442938702724.9789 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-12-20", "window": { "start": { "local": "1955-12-20T11:40:47+03:00", "utc": "1955-12-20T08:40:47Z", "ms": -442855152654.2296 }, "end": { "local": "1955-12-20T12:28:47+03:00", "utc": "1955-12-20T09:28:47Z", "ms": -442852272654.2296 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:24 on Mon 19 Dec to 23:48 on Tue 20 Dec.", "fact": "1955-12-19T19:24:00Z → 1955-12-20T20:47:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 19th, 11:41–12:29 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 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: purvaviddha → only-day · margin 35743 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Mosul, 1955: Tuesday 20 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-20", "confidence": "determinate" } ], "quote": "In Mosul, Skanda Ṣaṣṭhī 1955 falls on Tuesday 20 December. Ṣaṣṭhī runs from 22:24 on Mon 19 Dec to 23:48 on Tue 20 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40131, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1955-12-20T23:47:48+03:00", "utc": "1955-12-20T20:47:48Z", "ms": -442811532374.284 }, "end": { "local": "1955-12-22T00:32:57+03:00", "utc": "1955-12-21T21:32:57Z", "ms": -442722423235.18994 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-20T23:47:48+03:00", "utc": "1955-12-20T20:47:48Z", "ms": -442811532374.284 }, "end": { "local": "1955-12-22T00:32:57+03:00", "utc": "1955-12-21T21:32:57Z", "ms": -442722423235.18994 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-12-21", "window": { "start": { "local": "1955-12-21T11:41:18+03:00", "utc": "1955-12-21T08:41:18Z", "ms": -442768722490.938 }, "end": { "local": "1955-12-21T12:29:18+03:00", "utc": "1955-12-21T09:29:18Z", "ms": -442765842490.938 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1955-12-22", "window": { "start": { "local": "1955-12-22T11:41:48+03:00", "utc": "1955-12-22T08:41:48Z", "ms": -442682292271.20166 }, "end": { "local": "1955-12-22T12:29:48+03:00", "utc": "1955-12-22T09:29:48Z", "ms": -442679412271.20166 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:48 on Tue 20 Dec to 00:33 on Thu 22 Dec.", "fact": "1955-12-20T20:47:48Z → 1955-12-21T21:32:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 21st, 11:42–12:30 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 40131 s" }, { "step": "ruling", "text": "Mitra Saptamī, Mosul, 1955: Wednesday 21 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-21", "confidence": "determinate" } ], "quote": "In Mosul, Mitra Saptamī 1955 falls on Wednesday 21 December. Saptamī runs from 23:48 on Tue 20 Dec to 00:33 on Thu 22 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/ekadashi?on=1955-12-25", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32163, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1955-12-24T22:21:00+03:00", "utc": "1955-12-24T19:21:00Z", "ms": -442471140195.03424 }, "end": { "local": "1955-12-25T20:09:43+03:00", "utc": "1955-12-25T17:09:43Z", "ms": -442392616639.5256 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-24T22:21:00+03:00", "utc": "1955-12-24T19:21:00Z", "ms": -442471140195.03424 }, "end": { "local": "1955-12-25T20:09:43+03:00", "utc": "1955-12-25T17:09:43Z", "ms": -442392616639.5256 } }, "kaala": "sunrise", "days": [ { "local_date": "1955-12-25", "window": { "start": { "local": "1955-12-25T07:17:03+03:00", "utc": "1955-12-25T04:17:03Z", "ms": -442438976802.98676 }, "end": { "local": "1955-12-25T07:17:03+03:00", "utc": "1955-12-25T04:17:03Z", "ms": -442438976802.98676 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1955-12-26", "window": { "start": { "local": "1955-12-26T07:17:28+03:00", "utc": "1955-12-26T04:17:28Z", "ms": -442352552230.989 }, "end": { "local": "1955-12-26T07:17:28+03:00", "utc": "1955-12-26T04:17:28Z", "ms": -442352552230.989 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:21 on Sat 24 Dec to 20:10 on Sun 25 Dec.", "fact": "1955-12-24T19:21:00Z → 1955-12-25T17:09:43Z" }, { "step": "kaala", "text": "Sunrise is at 07:17 on the 25th and 07:17 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32163 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Mosul, 1955: Sunday 25 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": "1955-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-25", "confidence": "determinate" } ], "quote": "In Mosul, Mokṣadā Ekādaśī 1955 falls on Sunday 25 December. Ekādaśī runs from 22:21 on Sat 24 Dec to 20:10 on Sun 25 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/mosul/festivals/1955/ekadashi?on=1955-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17426, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1955-12-25T20:09:43+03:00", "utc": "1955-12-25T17:09:43Z", "ms": -442392616639.5256 }, "end": { "local": "1955-12-26T17:22:15+03:00", "utc": "1955-12-26T14:22:15Z", "ms": -442316265412.31213 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-25T20:09:43+03:00", "utc": "1955-12-25T17:09:43Z", "ms": -442392616639.5256 }, "end": { "local": "1955-12-26T17:22:15+03:00", "utc": "1955-12-26T14:22:15Z", "ms": -442316265412.31213 } }, "kaala": "madhyahna", "days": [ { "local_date": "1955-12-25", "window": { "start": { "local": "1955-12-25T11:43:18+03:00", "utc": "1955-12-25T08:43:18Z", "ms": -442423001624.2089 }, "end": { "local": "1955-12-25T12:31:18+03:00", "utc": "1955-12-25T09:31:18Z", "ms": -442420121624.2089 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1955-12-26", "window": { "start": { "local": "1955-12-26T11:43:48+03:00", "utc": "1955-12-26T08:43:48Z", "ms": -442336571524.55383 }, "end": { "local": "1955-12-26T12:31:48+03:00", "utc": "1955-12-26T09:31:48Z", "ms": -442333691524.55383 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:10 on Sun 25 Dec to 17:22 on Mon 26 Dec.", "fact": "1955-12-25T17:09:43Z → 1955-12-26T14:22:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 25th, 11:44–12:32 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17426 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Mosul, 1955: Monday 26 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-26", "confidence": "determinate" } ], "quote": "In Mosul, Akhaṇḍa Dvādaśī 1955 falls on Monday 26 December. Dvādaśī runs from 20:10 on Sun 25 Dec to 17:22 on Mon 26 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/pradosha-vrata?on=1955-12-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1445, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1955-12-26T17:22:15+03:00", "utc": "1955-12-26T14:22:15Z", "ms": -442316265412.31213 }, "end": { "local": "1955-12-27T14:06:04+03:00", "utc": "1955-12-27T11:06:04Z", "ms": -442241635882.31525 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-26T17:22:15+03:00", "utc": "1955-12-26T14:22:15Z", "ms": -442316265412.31213 }, "end": { "local": "1955-12-27T14:06:04+03:00", "utc": "1955-12-27T11:06:04Z", "ms": -442241635882.31525 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-12-26", "window": { "start": { "local": "1955-12-26T16:58:09+03:00", "utc": "1955-12-26T13:58:09Z", "ms": -442317710818.11865 }, "end": { "local": "1955-12-26T18:52:47+03:00", "utc": "1955-12-26T15:52:47Z", "ms": -442310833304.1899 } }, "covered_min": 91, "window_min": 115, "qualifies": true }, { "local_date": "1955-12-27", "window": { "start": { "local": "1955-12-27T16:58:46+03:00", "utc": "1955-12-27T13:58:46Z", "ms": -442231273607.61975 }, "end": { "local": "1955-12-27T18:53:22+03:00", "utc": "1955-12-27T15:53:22Z", "ms": -442224398263.1263 } }, "covered_min": 0, "window_min": 115, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:22 on Mon 26 Dec to 14:06 on Tue 27 Dec.", "fact": "1955-12-26T14:22:15Z → 1955-12-27T11:06:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:58–18:53 on the 26th, 16:59–18:53 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 91 of 115 minutes on the 26th and 0 of 115 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1445 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mosul, 1955: Monday 26 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": "1955-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-26", "confidence": "determinate" } ], "quote": "In Mosul, Śukla Pradoṣa Vrata 1955 falls on Monday 26 December. Trayodaśī runs from 17:22 on Mon 26 Dec to 14:06 on Tue 27 Dec and covers 91 of 115 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/pradosha-vrata?on=1955-12-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mosul/festivals/1955/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23362, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1955-12-28T10:30:03+03:00", "utc": "1955-12-28T07:30:03Z", "ms": -442168197317.2299 }, "end": { "local": "1955-12-29T06:43:55+03:00", "utc": "1955-12-29T03:43:55Z", "ms": -442095364805.96875 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-28T10:30:03+03:00", "utc": "1955-12-28T07:30:03Z", "ms": -442168197317.2299 }, "end": { "local": "1955-12-29T06:43:55+03:00", "utc": "1955-12-29T03:43:55Z", "ms": -442095364805.96875 } }, "kaala": "pradosha", "days": [ { "local_date": "1955-12-28", "window": { "start": { "local": "1955-12-28T16:59:25+03:00", "utc": "1955-12-28T13:59:25Z", "ms": -442144834850.0688 }, "end": { "local": "1955-12-28T18:53:58+03:00", "utc": "1955-12-28T15:53:58Z", "ms": -442137962127.7089 } }, "covered_min": 115, "window_min": 115, "qualifies": true }, { "local_date": "1955-12-29", "window": { "start": { "local": "1955-12-29T17:00:05+03:00", "utc": "1955-12-29T14:00:05Z", "ms": -442058394581.58923 }, "end": { "local": "1955-12-29T18:54:35+03:00", "utc": "1955-12-29T15:54:35Z", "ms": -442051524931.7436 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:30 on Wed 28 Dec to 06:44 on Thu 29 Dec.", "fact": "1955-12-28T07:30:03Z → 1955-12-29T03:43:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:59–18:54 on the 28th, 17:00–18:55 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 115 of 115 minutes on the 28th and 0 of 114 on the 29th.", "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 23362 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Mosul, 1955: Wednesday 28 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": "1955-12-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-28", "confidence": "determinate" } ], "quote": "In Mosul, Dattātreyotpatti (Datta Jayanti) 1955 falls on Wednesday 28 December. Pūrṇimā runs from 10:30 on Wed 28 Dec to 06:44 on Thu 29 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mosul/festivals/1955/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": "/mosul/festivals/1955/sankashta-chaturthi?on=1955-12-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "99072", "year": 1955, "local_date": "1955-12-31", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 404, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1955-12-31T20:08:34+03:00", "utc": "1955-12-31T17:08:34Z", "ms": -441874286410.39496 }, "end": { "local": "1956-01-01T17:25:13+03:00", "utc": "1956-01-01T14:25:13Z", "ms": -441797687340.25195 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1955-12-31T20:08:34+03:00", "utc": "1955-12-31T17:08:34Z", "ms": -441874286410.39496 }, "end": { "local": "1956-01-01T17:25:13+03:00", "utc": "1956-01-01T14:25:13Z", "ms": -441797687340.25195 } }, "kaala": "moonrise", "days": [ { "local_date": "1955-12-31", "window": { "start": { "local": "1955-12-31T20:01:50+03:00", "utc": "1955-12-31T17:01:50Z", "ms": -441874689943.0275 }, "end": { "local": "1955-12-31T20:01:50+03:00", "utc": "1955-12-31T17:01:50Z", "ms": -441874689943.0275 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1956-01-01", "window": { "start": { "local": "1956-01-01T21:11:34+03:00", "utc": "1956-01-01T18:11:34Z", "ms": -441784106136.04333 }, "end": { "local": "1956-01-01T21:11:34+03:00", "utc": "1956-01-01T18:11:34Z", "ms": -441784106136.04333 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:09 on Sat 31 Dec to 17:25 on Sun 1 Jan.", "fact": "1955-12-31T17:08:34Z → 1956-01-01T14:25:13Z" }, { "step": "kaala", "text": "Moonrise is at 20:02 on the 31st and 21:12 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 404 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mosul, 1955: Saturday 31 December.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1955-12-31", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1955-12-31", "confidence": "boundary" } ], "quote": "In Mosul, Saṅkaṣṭa Caturthī 1955 falls on Saturday 31 December. Caturthī runs from 20:09 on Sat 31 Dec to 17:25 on Sun 1 Jan, and is current at moonrise on neither day.", "cite": "https://ahargana.org/mosul/festivals/1955/sankashta-chaturthi?on=1955-12-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }