{ "id": "/mashhad/festivals/1923", "place": { "id": "124665", "slug": "mashhad", "name": "Mashhad", "region": "Razavi Khorasan, Iran", "country": "IR", "lat": 36.29807, "lon": 59.60567, "elevation_m": 980, "tz": "Asia/Tehran" }, "year": 1923, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/mashhad/festivals/1923/sankashta-chaturthi?on=1923-01-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11320, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-01-06T01:19:49+03:26", "utc": "1923-01-05T21:53:49Z", "ms": -1482804370614.0842 }, "end": { "local": "1923-01-06T23:22:24+03:26", "utc": "1923-01-06T19:56:24Z", "ms": -1482725015893.3113 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-06T01:19:49+03:26", "utc": "1923-01-05T21:53:49Z", "ms": -1482804370614.0842 }, "end": { "local": "1923-01-06T23:22:24+03:26", "utc": "1923-01-06T19:56:24Z", "ms": -1482725015893.3113 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-01-05", "window": { "start": { "local": "1923-01-05T19:08:11+03:26", "utc": "1923-01-05T15:42:11Z", "ms": -1482826668855.924 }, "end": { "local": "1923-01-05T19:08:11+03:26", "utc": "1923-01-05T15:42:11Z", "ms": -1482826668855.924 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-01-06", "window": { "start": { "local": "1923-01-06T20:13:44+03:26", "utc": "1923-01-06T16:47:44Z", "ms": -1482736336306.7915 }, "end": { "local": "1923-01-06T20:13:44+03:26", "utc": "1923-01-06T16:47:44Z", "ms": -1482736336306.7915 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:19 on Sat 6 Jan to 23:21 on Sat 6 Jan.", "fact": "1923-01-05T21:53:49Z → 1923-01-06T19:56:24Z" }, { "step": "kaala", "text": "Moonrise is at 19:07 on the 5th and 20:13 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 5th and is on the 6th.", "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 11320 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1923: Saturday 6 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": "1923-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-06", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1923 falls on Saturday 6 January. Caturthī runs from 01:19 on Sat 6 Jan to 23:21 on Sat 6 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/sankashta-chaturthi?on=1923-01-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37404, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1923-01-14T02:56:17+03:26", "utc": "1923-01-13T23:30:17Z", "ms": -1482107383329.9058 }, "end": { "local": "1923-02-12T15:55:35+03:26", "utc": "1923-02-12T12:29:35Z", "ms": -1479555024946.8489 } }, "span": { "of": "transit", "start": { "local": "1923-01-14T02:56:17+03:26", "utc": "1923-01-13T23:30:17Z", "ms": -1482107383329.9058 }, "end": { "local": "1923-01-14T02:56:17+03:26", "utc": "1923-01-13T23:30:17Z", "ms": -1482107383329.9058 } }, "kaala": "sunset-day", "days": [ { "local_date": "1923-01-13", "window": { "start": { "local": "1923-01-12T16:31:56+03:26", "utc": "1923-01-12T13:05:56Z", "ms": -1482231244429.7922 }, "end": { "local": "1923-01-13T16:32:53+03:26", "utc": "1923-01-13T13:06:53Z", "ms": -1482144786970.9695 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1923-01-14", "window": { "start": { "local": "1923-01-13T16:32:53+03:26", "utc": "1923-01-13T13:06:53Z", "ms": -1482144786970.9695 }, "end": { "local": "1923-01-14T16:33:51+03:26", "utc": "1923-01-14T13:07:51Z", "ms": -1482058328756.25 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1923-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 02:55 on Sun 14 Jan.", "fact": "1923-01-13T23:30:17Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 16:32, and the day of the 14th ends at 16:33.", "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 37404 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Sunday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Mashhad, 1923: Saturday 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": "1923-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1923-01-13", "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": "1923-01-12", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Mashhad, Bhogi 1923 falls on Saturday 13 January. It is kept the day before Pongal, which falls on Sunday 14 January. The Sun enters Makara at 02:55 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-01-13", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12109, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-01-12T11:41:03+03:26", "utc": "1923-01-12T08:15:03Z", "ms": -1482248696860.3179 }, "end": { "local": "1923-01-13T10:01:18+03:26", "utc": "1923-01-13T06:35:18Z", "ms": -1482168281612.8684 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-12T11:41:03+03:26", "utc": "1923-01-12T08:15:03Z", "ms": -1482248696860.3179 }, "end": { "local": "1923-01-13T10:01:18+03:26", "utc": "1923-01-13T06:35:18Z", "ms": -1482168281612.8684 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-01-12", "window": { "start": { "local": "1923-01-12T06:39:39+03:26", "utc": "1923-01-12T03:13:39Z", "ms": -1482266780741.66 }, "end": { "local": "1923-01-12T06:39:39+03:26", "utc": "1923-01-12T03:13:39Z", "ms": -1482266780741.66 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-01-13", "window": { "start": { "local": "1923-01-13T06:39:29+03:26", "utc": "1923-01-13T03:13:29Z", "ms": -1482180390806.1338 }, "end": { "local": "1923-01-13T06:39:29+03:26", "utc": "1923-01-13T03:13:29Z", "ms": -1482180390806.1338 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:40 on Fri 12 Jan to 10:00 on Sat 13 Jan.", "fact": "1923-01-12T08:15:03Z → 1923-01-13T06:35:18Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 12th and 06:38 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12109 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Mashhad, 1923: Saturday 13 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": "1923-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-13", "confidence": "determinate" } ], "quote": "In Mashhad, Ṣaṭtilā Ekādaśī 1923 falls on Saturday 13 January. Ekādaśī runs from 11:40 on Fri 12 Jan to 10:00 on Sat 13 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-01-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37404, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1923-01-14T02:56:17+03:26", "utc": "1923-01-13T23:30:17Z", "ms": -1482107383329.9058 }, "end": { "local": "1923-02-12T15:55:35+03:26", "utc": "1923-02-12T12:29:35Z", "ms": -1479555024946.8489 } }, "span": { "of": "transit", "start": { "local": "1923-01-14T02:56:17+03:26", "utc": "1923-01-13T23:30:17Z", "ms": -1482107383329.9058 }, "end": { "local": "1923-01-14T02:56:17+03:26", "utc": "1923-01-13T23:30:17Z", "ms": -1482107383329.9058 } }, "kaala": "sunset-day", "days": [ { "local_date": "1923-01-13", "window": { "start": { "local": "1923-01-12T16:31:56+03:26", "utc": "1923-01-12T13:05:56Z", "ms": -1482231244429.7922 }, "end": { "local": "1923-01-13T16:32:53+03:26", "utc": "1923-01-13T13:06:53Z", "ms": -1482144786970.9695 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1923-01-14", "window": { "start": { "local": "1923-01-13T16:32:53+03:26", "utc": "1923-01-13T13:06:53Z", "ms": -1482144786970.9695 }, "end": { "local": "1923-01-14T16:33:51+03:26", "utc": "1923-01-14T13:07:51Z", "ms": -1482058328756.25 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 02:55 on Sun 14 Jan.", "fact": "1923-01-13T23:30:17Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 16:32, and the day of the 14th ends at 16:33.", "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 37404 s" }, { "step": "ruling", "text": "Pongal, Mashhad, 1923: Sunday 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": "1923-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1923-01-14", "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": "1923-01-13", "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 Mashhad, Pongal 1923 falls on Sunday 14 January. The Sun enters Makara at 02:55 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10561, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1923-01-14T02:56:17+03:26", "utc": "1923-01-13T23:30:17Z", "ms": -1482107383329.9058 }, "end": { "local": "1923-02-12T15:55:35+03:26", "utc": "1923-02-12T12:29:35Z", "ms": -1479555024946.8489 } }, "span": { "of": "transit", "start": { "local": "1923-01-14T02:56:17+03:26", "utc": "1923-01-13T23:30:17Z", "ms": -1482107383329.9058 }, "end": { "local": "1923-01-14T02:56:17+03:26", "utc": "1923-01-13T23:30:17Z", "ms": -1482107383329.9058 } }, "kaala": "civil-day", "days": [ { "local_date": "1923-01-13", "window": { "start": { "local": "1923-01-13T00:00:16+03:26", "utc": "1923-01-12T20:34:16Z", "ms": -1482204344000 }, "end": { "local": "1923-01-14T00:00:16+03:26", "utc": "1923-01-13T20:34:16Z", "ms": -1482117944000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1923-01-14", "window": { "start": { "local": "1923-01-14T00:00:16+03:26", "utc": "1923-01-13T20:34:16Z", "ms": -1482117944000 }, "end": { "local": "1923-01-15T00:00:16+03:26", "utc": "1923-01-14T20:34:16Z", "ms": -1482031544000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 02:55 on Sun 14 Jan.", "fact": "1923-01-13T23:30:17Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Mashhad.", "fact": "civil-day: midnight-to-midnight · Asia/Tehran" }, { "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 10561 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Mashhad, 1923: Sunday 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": "1923-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1923-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1923-01-14", "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 Mashhad, Makara Saṅkrānti 1923 falls on Sunday 14 January. The Sun enters Makara at 02:55 on Sun 14 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/pradosha-vrata?on=1923-01-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28848, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-01-14T08:33:03+03:26", "utc": "1923-01-14T05:07:03Z", "ms": -1482087177089.5754 }, "end": { "local": "1923-01-15T07:20:53+03:26", "utc": "1923-01-15T03:54:53Z", "ms": -1482005107258.044 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-14T08:33:03+03:26", "utc": "1923-01-14T05:07:03Z", "ms": -1482087177089.5754 }, "end": { "local": "1923-01-15T07:20:53+03:26", "utc": "1923-01-15T03:54:53Z", "ms": -1482005107258.044 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-01-14", "window": { "start": { "local": "1923-01-14T16:33:51+03:26", "utc": "1923-01-14T13:07:51Z", "ms": -1482058328756.25 }, "end": { "local": "1923-01-14T18:26:33+03:26", "utc": "1923-01-14T15:00:33Z", "ms": -1482051567166.8655 } }, "covered_min": 113, "window_min": 113, "qualifies": true }, { "local_date": "1923-01-15", "window": { "start": { "local": "1923-01-15T16:34:50+03:26", "utc": "1923-01-15T13:08:50Z", "ms": -1481971869839.761 }, "end": { "local": "1923-01-15T18:27:22+03:26", "utc": "1923-01-15T15:01:22Z", "ms": -1481965118233.3325 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:32 on Sun 14 Jan to 07:20 on Mon 15 Jan.", "fact": "1923-01-14T05:07:03Z → 1923-01-15T03:54:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:33–18:26 on the 14th, 16:34–18:26 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 113 of 113 minutes on the 14th and 0 of 113 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 28848 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1923: Sunday 14 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": "1923-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-14", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1923 falls on Sunday 14 January. Trayodaśī runs from 08:32 on Sun 14 Jan to 07:20 on Mon 15 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-01-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37404, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1923-01-14T02:56:17+03:26", "utc": "1923-01-13T23:30:17Z", "ms": -1482107383329.9058 }, "end": { "local": "1923-02-12T15:55:35+03:26", "utc": "1923-02-12T12:29:35Z", "ms": -1479555024946.8489 } }, "span": { "of": "transit", "start": { "local": "1923-01-14T02:56:17+03:26", "utc": "1923-01-13T23:30:17Z", "ms": -1482107383329.9058 }, "end": { "local": "1923-01-14T02:56:17+03:26", "utc": "1923-01-13T23:30:17Z", "ms": -1482107383329.9058 } }, "kaala": "sunset-day", "days": [ { "local_date": "1923-01-13", "window": { "start": { "local": "1923-01-12T16:31:56+03:26", "utc": "1923-01-12T13:05:56Z", "ms": -1482231244429.7922 }, "end": { "local": "1923-01-13T16:32:53+03:26", "utc": "1923-01-13T13:06:53Z", "ms": -1482144786970.9695 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1923-01-14", "window": { "start": { "local": "1923-01-13T16:32:53+03:26", "utc": "1923-01-13T13:06:53Z", "ms": -1482144786970.9695 }, "end": { "local": "1923-01-14T16:33:51+03:26", "utc": "1923-01-14T13:07:51Z", "ms": -1482058328756.25 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1923-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 02:55 on Sun 14 Jan.", "fact": "1923-01-13T23:30:17Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 16:32, and the day of the 14th ends at 16:33.", "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 37404 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Sunday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Mashhad, 1923: Monday 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": "1923-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1923-01-15", "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": "1923-01-14", "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 Mashhad, Mattu Pongal 1923 falls on Monday 15 January. It is kept the day after Pongal, which falls on Sunday 14 January. The Sun enters Makara at 02:55 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/shivaratri?on=1923-01-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23365, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-01-15T07:20:53+03:26", "utc": "1923-01-15T03:54:53Z", "ms": -1482005107258.044 }, "end": { "local": "1923-01-16T06:30:14+03:26", "utc": "1923-01-16T03:04:14Z", "ms": -1481921746222.3174 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-15T07:20:53+03:26", "utc": "1923-01-15T03:54:53Z", "ms": -1482005107258.044 }, "end": { "local": "1923-01-16T06:30:14+03:26", "utc": "1923-01-16T03:04:14Z", "ms": -1481921746222.3174 } }, "kaala": "nishita", "days": [ { "local_date": "1923-01-14", "window": { "start": { "local": "1923-01-14T23:12:27+03:26", "utc": "1923-01-14T19:46:27Z", "ms": -1482034412796.0583 }, "end": { "local": "1923-01-15T00:00:27+03:26", "utc": "1923-01-14T20:34:27Z", "ms": -1482031532796.0583 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-01-15", "window": { "start": { "local": "1923-01-15T23:12:49+03:26", "utc": "1923-01-15T19:46:49Z", "ms": -1481947991315.6545 }, "end": { "local": "1923-01-16T00:00:49+03:26", "utc": "1923-01-15T20:34:49Z", "ms": -1481945111315.6545 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:20 on Mon 15 Jan to 06:29 on Tue 16 Jan.", "fact": "1923-01-15T03:54:53Z → 1923-01-16T03:04:14Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:11–23:59 on the 14th, 23:12–00:00 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23365 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1923: Monday 15 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": "1923-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-15", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1923 falls on Monday 15 January. Caturdaśī runs from 07:20 on Mon 15 Jan to 06:29 on Tue 16 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1923/shivaratri?on=1923-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 513, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-01-15T07:20:53+03:26", "utc": "1923-01-15T03:54:53Z", "ms": -1482005107258.044 }, "end": { "local": "1923-01-16T06:30:14+03:26", "utc": "1923-01-16T03:04:14Z", "ms": -1481921746222.3174 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-15T07:20:53+03:26", "utc": "1923-01-15T03:54:53Z", "ms": -1482005107258.044 }, "end": { "local": "1923-01-16T06:30:14+03:26", "utc": "1923-01-16T03:04:14Z", "ms": -1481921746222.3174 } }, "kaala": "arunodaya", "days": [ { "local_date": "1923-01-15", "window": { "start": { "local": "1923-01-15T04:46:22+03:26", "utc": "1923-01-15T01:20:22Z", "ms": -1482014378425.2512 }, "end": { "local": "1923-01-15T06:39:03+03:26", "utc": "1923-01-15T03:13:03Z", "ms": -1482007616835.8667 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "1923-01-16", "window": { "start": { "local": "1923-01-16T04:46:16+03:26", "utc": "1923-01-16T01:20:16Z", "ms": -1481927984397.9766 }, "end": { "local": "1923-01-16T06:38:47+03:26", "utc": "1923-01-16T03:12:47Z", "ms": -1481921232791.548 } }, "covered_min": 104, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:20 on Mon 15 Jan to 06:29 on Tue 16 Jan.", "fact": "1923-01-15T03:54:53Z → 1923-01-16T03:04:14Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:45–06:38 on the 15th, 04:45–06:38 on the 16th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 113 minutes on the 15th and 104 of 113 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 513 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Mashhad, 1923: Tuesday 16 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": "1923-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-16", "confidence": "determinate" } ], "quote": "In Mashhad, Yama Tarpaṇa 1923 falls on Tuesday 16 January. Caturdaśī runs from 07:20 on Mon 15 Jan to 06:29 on Tue 16 Jan and covers 104 of 113 minutes of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3201, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-01-20T08:24:07+03:26", "utc": "1923-01-20T04:58:07Z", "ms": -1481569313250.9033 }, "end": { "local": "1923-01-21T10:21:36+03:26", "utc": "1923-01-21T06:55:36Z", "ms": -1481475864334.8708 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-20T08:24:07+03:26", "utc": "1923-01-20T04:58:07Z", "ms": -1481569313250.9033 }, "end": { "local": "1923-01-21T10:21:36+03:26", "utc": "1923-01-21T06:55:36Z", "ms": -1481475864334.8708 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-01-20", "window": { "start": { "local": "1923-01-20T11:14:39+03:26", "utc": "1923-01-20T07:48:39Z", "ms": -1481559081317.3425 }, "end": { "local": "1923-01-20T12:02:39+03:26", "utc": "1923-01-20T08:36:39Z", "ms": -1481556201317.3425 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-01-21", "window": { "start": { "local": "1923-01-21T11:14:57+03:26", "utc": "1923-01-21T07:48:57Z", "ms": -1481472663111.8901 }, "end": { "local": "1923-01-21T12:02:57+03:26", "utc": "1923-01-21T08:36:57Z", "ms": -1481469783111.8901 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:23 on Sat 20 Jan to 10:21 on Sun 21 Jan.", "fact": "1923-01-20T04:58:07Z → 1923-01-21T06:55:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 20th, 11:14–12:02 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3201 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Mashhad, 1923: Saturday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-20", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1923 falls on Saturday 20 January. Caturthī runs from 08:23 on Sat 20 Jan to 10:21 on Sun 21 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22760, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-01-20T08:24:07+03:26", "utc": "1923-01-20T04:58:07Z", "ms": -1481569313250.9033 }, "end": { "local": "1923-01-21T10:21:36+03:26", "utc": "1923-01-21T06:55:36Z", "ms": -1481475864334.8708 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-20T08:24:07+03:26", "utc": "1923-01-20T04:58:07Z", "ms": -1481569313250.9033 }, "end": { "local": "1923-01-21T10:21:36+03:26", "utc": "1923-01-21T06:55:36Z", "ms": -1481475864334.8708 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-01-20", "window": { "start": { "local": "1923-01-20T16:39:53+03:26", "utc": "1923-01-20T13:13:53Z", "ms": -1481539566583.8696 }, "end": { "local": "1923-01-20T18:31:30+03:26", "utc": "1923-01-20T15:05:30Z", "ms": -1481532869928.9343 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "1923-01-21", "window": { "start": { "local": "1923-01-21T16:40:55+03:26", "utc": "1923-01-21T13:14:55Z", "ms": -1481453104551.925 }, "end": { "local": "1923-01-21T18:32:20+03:26", "utc": "1923-01-21T15:06:20Z", "ms": -1481446419836.6782 } }, "covered_min": 0, "window_min": 111, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:23 on Sat 20 Jan to 10:21 on Sun 21 Jan.", "fact": "1923-01-20T04:58:07Z → 1923-01-21T06:55:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:39–18:31 on the 20th, 16:40–18:31 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 112 of 112 minutes on the 20th and 0 of 111 on the 21st.", "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 22760 s" }, { "step": "ruling", "text": "Tila Caturthī, Mashhad, 1923: Saturday 20 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": "1923-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-20", "confidence": "determinate" } ], "quote": "In Mashhad, Tila Caturthī 1923 falls on Saturday 20 January. Caturthī runs from 08:23 on Sat 20 Jan to 10:21 on Sun 21 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2600, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1923-01-21T10:21:36+03:26", "utc": "1923-01-21T06:55:36Z", "ms": -1481475864334.8708 }, "end": { "local": "1923-01-22T12:46:34+03:26", "utc": "1923-01-22T09:20:34Z", "ms": -1481380765651.4587 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-21T10:21:36+03:26", "utc": "1923-01-21T06:55:36Z", "ms": -1481475864334.8708 }, "end": { "local": "1923-01-22T12:46:34+03:26", "utc": "1923-01-22T09:20:34Z", "ms": -1481380765651.4587 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-01-21", "window": { "start": { "local": "1923-01-21T11:14:57+03:26", "utc": "1923-01-21T07:48:57Z", "ms": -1481472663111.8901 }, "end": { "local": "1923-01-21T12:02:57+03:26", "utc": "1923-01-21T08:36:57Z", "ms": -1481469783111.8901 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-01-22", "window": { "start": { "local": "1923-01-22T11:15:14+03:26", "utc": "1923-01-22T07:49:14Z", "ms": -1481386245679.1228 }, "end": { "local": "1923-01-22T12:03:14+03:26", "utc": "1923-01-22T08:37:14Z", "ms": -1481383365679.1228 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:21 on Sun 21 Jan to 12:46 on Mon 22 Jan.", "fact": "1923-01-21T06:55:36Z → 1923-01-22T09:20:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 21st, 11:14–12:02 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 2600 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Mashhad, 1923: Sunday 21 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": "1923-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-21", "confidence": "determinate" } ], "quote": "In Mashhad, Śrī Pañcamī 1923 falls on Sunday 21 January. Pañcamī runs from 10:21 on Sun 21 Jan to 12:46 on Mon 22 Jan and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-21", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2600, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1923-01-21T10:21:36+03:26", "utc": "1923-01-21T06:55:36Z", "ms": -1481475864334.8708 }, "end": { "local": "1923-01-22T12:46:34+03:26", "utc": "1923-01-22T09:20:34Z", "ms": -1481380765651.4587 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-21T10:21:36+03:26", "utc": "1923-01-21T06:55:36Z", "ms": -1481475864334.8708 }, "end": { "local": "1923-01-22T12:46:34+03:26", "utc": "1923-01-22T09:20:34Z", "ms": -1481380765651.4587 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-01-21", "window": { "start": { "local": "1923-01-21T11:14:57+03:26", "utc": "1923-01-21T07:48:57Z", "ms": -1481472663111.8901 }, "end": { "local": "1923-01-21T12:02:57+03:26", "utc": "1923-01-21T08:36:57Z", "ms": -1481469783111.8901 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-01-22", "window": { "start": { "local": "1923-01-22T11:15:14+03:26", "utc": "1923-01-22T07:49:14Z", "ms": -1481386245679.1228 }, "end": { "local": "1923-01-22T12:03:14+03:26", "utc": "1923-01-22T08:37:14Z", "ms": -1481383365679.1228 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:21 on Sun 21 Jan to 12:46 on Mon 22 Jan.", "fact": "1923-01-21T06:55:36Z → 1923-01-22T09:20:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 21st, 11:14–12:02 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2600 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Mashhad, 1923: Sunday 21 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1923-01-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-22", "confidence": "boundary" } ], "quote": "In Mashhad, Vasanta Pañcamī 1923 falls on Sunday 21 January. Pañcamī runs from 10:21 on Sun 21 Jan to 12:46 on Mon 22 Jan and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31880, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1923-01-23T15:27:22+03:26", "utc": "1923-01-23T12:01:22Z", "ms": -1481284718357.4624 }, "end": { "local": "1923-01-24T18:08:59+03:26", "utc": "1923-01-24T14:42:59Z", "ms": -1481188620581.9512 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-23T15:27:22+03:26", "utc": "1923-01-23T12:01:22Z", "ms": -1481284718357.4624 }, "end": { "local": "1923-01-24T18:08:59+03:26", "utc": "1923-01-24T14:42:59Z", "ms": -1481188620581.9512 } }, "kaala": "arunodaya", "days": [ { "local_date": "1923-01-23", "window": { "start": { "local": "1923-01-23T04:44:49+03:26", "utc": "1923-01-23T01:18:49Z", "ms": -1481323271059.398 }, "end": { "local": "1923-01-23T06:36:01+03:26", "utc": "1923-01-23T03:10:01Z", "ms": -1481316598580.7402 } }, "covered_min": 0, "window_min": 111, "qualifies": false }, { "local_date": "1923-01-24", "window": { "start": { "local": "1923-01-24T04:44:30+03:26", "utc": "1923-01-24T01:18:30Z", "ms": -1481236889785.9802 }, "end": { "local": "1923-01-24T06:35:30+03:26", "utc": "1923-01-24T03:09:30Z", "ms": -1481230229832.3728 } }, "covered_min": 111, "window_min": 111, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 15:26 on Tue 23 Jan to 18:08 on Wed 24 Jan.", "fact": "1923-01-23T12:01:22Z → 1923-01-24T14:42:59Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:44–06:35 on the 23rd, 04:44–06:35 on the 24th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 0 of 111 minutes on the 23rd and 111 of 111 on the 24th.", "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 31880 s" }, { "step": "ruling", "text": "Ratha Saptamī, Mashhad, 1923: Wednesday 24 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": "1923-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-24", "confidence": "determinate" } ], "quote": "In Mashhad, Ratha Saptamī 1923 falls on Wednesday 24 January. Saptamī runs from 15:26 on Tue 23 Jan to 18:08 on Wed 24 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-01-28", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22383, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-01-27T23:48:49+03:26", "utc": "1923-01-27T20:22:49Z", "ms": -1480909030874.3088 }, "end": { "local": "1923-01-29T00:19:24+03:26", "utc": "1923-01-28T20:53:24Z", "ms": -1480820796298.3716 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-27T23:48:49+03:26", "utc": "1923-01-27T20:22:49Z", "ms": -1480909030874.3088 }, "end": { "local": "1923-01-29T00:19:24+03:26", "utc": "1923-01-28T20:53:24Z", "ms": -1480820796298.3716 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-01-28", "window": { "start": { "local": "1923-01-28T06:33:07+03:26", "utc": "1923-01-28T03:07:07Z", "ms": -1480884772987.727 }, "end": { "local": "1923-01-28T06:33:07+03:26", "utc": "1923-01-28T03:07:07Z", "ms": -1480884772987.727 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-01-29", "window": { "start": { "local": "1923-01-29T06:32:27+03:26", "utc": "1923-01-29T03:06:27Z", "ms": -1480798413191.5771 }, "end": { "local": "1923-01-29T06:32:27+03:26", "utc": "1923-01-29T03:06:27Z", "ms": -1480798413191.5771 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:48 on Sat 27 Jan to 00:18 on Mon 29 Jan.", "fact": "1923-01-27T20:22:49Z → 1923-01-28T20:53:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:32 on the 28th and 06:31 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22383 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Mashhad, 1923: Sunday 28 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-28", "confidence": "determinate" } ], "quote": "In Mashhad, Jayā Ekādaśī 1923 falls on Sunday 28 January. Ekādaśī runs from 23:48 on Sat 27 Jan to 00:18 on Mon 29 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-01-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39450, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1923-01-29T00:19:24+03:26", "utc": "1923-01-28T20:53:24Z", "ms": -1480820796298.3716 }, "end": { "local": "1923-01-30T00:03:10+03:26", "utc": "1923-01-29T20:37:10Z", "ms": -1480735370155.1443 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-29T00:19:24+03:26", "utc": "1923-01-28T20:53:24Z", "ms": -1480820796298.3716 }, "end": { "local": "1923-01-30T00:03:10+03:26", "utc": "1923-01-29T20:37:10Z", "ms": -1480735370155.1443 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-01-29", "window": { "start": { "local": "1923-01-29T11:16:54+03:26", "utc": "1923-01-29T07:50:54Z", "ms": -1480781346210.2847 }, "end": { "local": "1923-01-29T12:04:54+03:26", "utc": "1923-01-29T08:38:54Z", "ms": -1480778466210.2847 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-01-30", "window": { "start": { "local": "1923-01-30T11:17:05+03:26", "utc": "1923-01-30T07:51:05Z", "ms": -1480694935304.7766 }, "end": { "local": "1923-01-30T12:05:05+03:26", "utc": "1923-01-30T08:39:05Z", "ms": -1480692055304.7766 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:18 on Mon 29 Jan to 00:02 on Tue 30 Jan.", "fact": "1923-01-28T20:53:24Z → 1923-01-29T20:37:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:16–12:04 on the 29th, 11:16–12:04 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 39450 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Mashhad, 1923: Monday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-29", "confidence": "determinate" } ], "quote": "In Mashhad, Bhīṣma Dvādaśī 1923 falls on Monday 29 January. Dvādaśī runs from 00:18 on Mon 29 Jan to 00:02 on Tue 30 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/pradosha-vrata?on=1923-01-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15812, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-01-30T00:03:10+03:26", "utc": "1923-01-29T20:37:10Z", "ms": -1480735370155.1443 }, "end": { "local": "1923-01-30T23:03:21+03:26", "utc": "1923-01-30T19:37:21Z", "ms": -1480652559030.929 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-30T00:03:10+03:26", "utc": "1923-01-29T20:37:10Z", "ms": -1480735370155.1443 }, "end": { "local": "1923-01-30T23:03:21+03:26", "utc": "1923-01-30T19:37:21Z", "ms": -1480652559030.929 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-01-29", "window": { "start": { "local": "1923-01-29T16:49:21+03:26", "utc": "1923-01-29T13:23:21Z", "ms": -1480761399228.9924 }, "end": { "local": "1923-01-29T18:39:00+03:26", "utc": "1923-01-29T15:13:00Z", "ms": -1480754820012.7798 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "1923-01-30", "window": { "start": { "local": "1923-01-30T16:50:24+03:26", "utc": "1923-01-30T13:24:24Z", "ms": -1480674935502.155 }, "end": { "local": "1923-01-30T18:39:49+03:26", "utc": "1923-01-30T15:13:49Z", "ms": -1480668370595.9607 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:02 on Tue 30 Jan to 23:02 on Tue 30 Jan.", "fact": "1923-01-29T20:37:10Z → 1923-01-30T19:37:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:48–18:38 on the 29th, 16:49–18:39 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 29th and 109 of 109 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15812 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1923: Tuesday 30 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": "1923-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-01-30", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1923 falls on Tuesday 30 January. Trayodaśī runs from 00:02 on Tue 30 Jan to 23:02 on Tue 30 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-01-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26015, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-01-31T21:26:02+03:26", "utc": "1923-01-31T18:00:02Z", "ms": -1480571998029.87 }, "end": { "local": "1923-02-01T19:18:59+03:26", "utc": "1923-02-01T15:52:59Z", "ms": -1480493220929.3022 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1923-01-31T21:26:02+03:26", "utc": "1923-01-31T18:00:02Z", "ms": -1480571998029.87 }, "end": { "local": "1923-02-01T19:18:59+03:26", "utc": "1923-02-01T15:52:59Z", "ms": -1480493220929.3022 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-01-31", "window": { "start": { "local": "1923-01-31T11:17:15+03:26", "utc": "1923-01-31T07:51:15Z", "ms": -1480608525232.4434 }, "end": { "local": "1923-01-31T12:05:15+03:26", "utc": "1923-01-31T08:39:15Z", "ms": -1480605645232.4434 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-02-01", "window": { "start": { "local": "1923-02-01T11:17:24+03:26", "utc": "1923-02-01T07:51:24Z", "ms": -1480522115991.0298 }, "end": { "local": "1923-02-01T12:05:24+03:26", "utc": "1923-02-01T08:39:24Z", "ms": -1480519235991.0298 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:25 on Wed 31 Jan to 19:18 on Thu 1 Feb.", "fact": "1923-01-31T18:00:02Z → 1923-02-01T15:52:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:16–12:04 on the 31st, 11:16–12:04 on the 1st.", "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 31st and 48 of 48 on the 1st.", "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 26015 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Mashhad, 1923: Thursday 1 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": "1923-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-02-01", "confidence": "determinate" } ], "quote": "In Mashhad, Māghī Pūrṇimā 1923 falls on Thursday 1 February. Pūrṇimā runs from 21:25 on Wed 31 Jan to 19:18 on Thu 1 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/sankashta-chaturthi?on=1923-02-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31820, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-02-04T11:23:48+03:26", "utc": "1923-02-04T07:57:48Z", "ms": -1480262531875.7605 }, "end": { "local": "1923-02-05T08:40:15+03:26", "utc": "1923-02-05T05:14:15Z", "ms": -1480185945327.241 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1923-02-04T11:23:48+03:26", "utc": "1923-02-04T07:57:48Z", "ms": -1480262531875.7605 }, "end": { "local": "1923-02-05T08:40:15+03:26", "utc": "1923-02-05T05:14:15Z", "ms": -1480185945327.241 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-02-04", "window": { "start": { "local": "1923-02-04T20:14:08+03:26", "utc": "1923-02-04T16:48:08Z", "ms": -1480230711519.5803 }, "end": { "local": "1923-02-04T20:14:08+03:26", "utc": "1923-02-04T16:48:08Z", "ms": -1480230711519.5803 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-02-05", "window": { "start": { "local": "1923-02-05T21:22:01+03:26", "utc": "1923-02-05T17:56:01Z", "ms": -1480140239085.284 }, "end": { "local": "1923-02-05T21:22:01+03:26", "utc": "1923-02-05T17:56:01Z", "ms": -1480140239085.284 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:23 on Sun 4 Feb to 08:39 on Mon 5 Feb.", "fact": "1923-02-04T07:57:48Z → 1923-02-05T05:14:15Z" }, { "step": "kaala", "text": "Moonrise is at 20:13 on the 4th and 21:21 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 31820 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1923: Sunday 4 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": "1923-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-02-04", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1923 falls on Sunday 4 February. Caturthī runs from 11:23 on Sun 4 Feb to 08:39 on Mon 5 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/sankashta-chaturthi?on=1923-02-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/ekadashi?on=1923-02-11", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32253, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-02-10T21:23:47+03:26", "utc": "1923-02-10T17:57:47Z", "ms": -1479708133110.4033 }, "end": { "local": "1923-02-11T20:45:03+03:26", "utc": "1923-02-11T17:19:03Z", "ms": -1479624056611.737 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1923-02-10T21:23:47+03:26", "utc": "1923-02-10T17:57:47Z", "ms": -1479708133110.4033 }, "end": { "local": "1923-02-11T20:45:03+03:26", "utc": "1923-02-11T17:19:03Z", "ms": -1479624056611.737 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-02-11", "window": { "start": { "local": "1923-02-11T06:21:20+03:26", "utc": "1923-02-11T02:55:20Z", "ms": -1479675880142.5151 }, "end": { "local": "1923-02-11T06:21:20+03:26", "utc": "1923-02-11T02:55:20Z", "ms": -1479675880142.5151 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-02-12", "window": { "start": { "local": "1923-02-12T06:20:19+03:26", "utc": "1923-02-12T02:54:19Z", "ms": -1479589541419.1282 }, "end": { "local": "1923-02-12T06:20:19+03:26", "utc": "1923-02-12T02:54:19Z", "ms": -1479589541419.1282 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:23 on Sat 10 Feb to 20:44 on Sun 11 Feb.", "fact": "1923-02-10T17:57:47Z → 1923-02-11T17:19:03Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 11th and 06:19 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 32253 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Mashhad, 1923: Sunday 11 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-02-11", "confidence": "determinate" } ], "quote": "In Mashhad, Vijayā Ekādaśī 1923 falls on Sunday 11 February. Ekādaśī runs from 21:23 on Sat 10 Feb to 20:44 on Sun 11 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-02-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6807, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-02-13T20:43:55+03:26", "utc": "1923-02-13T17:17:55Z", "ms": -1479451324808.566 }, "end": { "local": "1923-02-14T21:24:12+03:26", "utc": "1923-02-14T17:58:12Z", "ms": -1479362508313.1665 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1923-02-13T20:43:55+03:26", "utc": "1923-02-13T17:17:55Z", "ms": -1479451324808.566 }, "end": { "local": "1923-02-14T21:24:12+03:26", "utc": "1923-02-14T17:58:12Z", "ms": -1479362508313.1665 } }, "kaala": "nishita", "days": [ { "local_date": "1923-02-13", "window": { "start": { "local": "1923-02-13T23:17:40+03:26", "utc": "1923-02-13T19:51:40Z", "ms": -1479442099679.3545 }, "end": { "local": "1923-02-14T00:05:40+03:26", "utc": "1923-02-13T20:39:40Z", "ms": -1479439219679.3545 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-02-14", "window": { "start": { "local": "1923-02-14T23:17:39+03:26", "utc": "1923-02-14T19:51:39Z", "ms": -1479355701302.6812 }, "end": { "local": "1923-02-15T00:05:39+03:26", "utc": "1923-02-14T20:39:39Z", "ms": -1479352821302.6812 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:43 on Tue 13 Feb to 21:23 on Wed 14 Feb.", "fact": "1923-02-13T17:17:55Z → 1923-02-14T17:58:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:17–00:05 on the 13th, 23:17–00:05 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. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 6807 s" }, { "step": "ruling", "text": "Mahāśivarātri, Mashhad, 1923: Tuesday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-02-13", "confidence": "determinate" } ], "quote": "In Mashhad, Mahāśivarātri 1923 falls on Tuesday 13 February. Caturdaśī runs from 20:43 on Tue 13 Feb to 21:23 on Wed 14 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/pradosha-vrata?on=1923-02-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6071, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-02-12T20:31:19+03:26", "utc": "1923-02-12T17:05:19Z", "ms": -1479538481270.2678 }, "end": { "local": "1923-02-13T20:43:55+03:26", "utc": "1923-02-13T17:17:55Z", "ms": -1479451324808.566 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1923-02-12T20:31:19+03:26", "utc": "1923-02-12T17:05:19Z", "ms": -1479538481270.2678 }, "end": { "local": "1923-02-13T20:43:55+03:26", "utc": "1923-02-13T17:17:55Z", "ms": -1479451324808.566 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-02-12", "window": { "start": { "local": "1923-02-12T17:04:06+03:26", "utc": "1923-02-12T13:38:06Z", "ms": -1479550913623.8467 }, "end": { "local": "1923-02-12T18:50:08+03:26", "utc": "1923-02-12T15:24:08Z", "ms": -1479544552335.9592 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1923-02-13", "window": { "start": { "local": "1923-02-13T17:05:08+03:26", "utc": "1923-02-13T13:39:08Z", "ms": -1479464451608.8428 }, "end": { "local": "1923-02-13T18:50:53+03:26", "utc": "1923-02-13T15:24:53Z", "ms": -1479458107094.3125 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:30 on Mon 12 Feb to 20:43 on Tue 13 Feb.", "fact": "1923-02-12T17:05:19Z → 1923-02-13T17:17:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:03–18:49 on the 12th, 17:04–18:50 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 106 minutes on the 12th and 106 of 106 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6071 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1923: Tuesday 13 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": "1923-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-02-13", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1923 falls on Tuesday 13 February. Trayodaśī runs from 20:30 on Mon 12 Feb to 20:43 on Tue 13 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-02-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-02-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14471, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-02-19T04:38:05+03:26", "utc": "1923-02-19T01:12:05Z", "ms": -1478990875359.1338 }, "end": { "local": "1923-02-20T07:16:39+03:26", "utc": "1923-02-20T03:50:39Z", "ms": -1478894961452.6968 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1923-02-19T04:38:05+03:26", "utc": "1923-02-19T01:12:05Z", "ms": -1478990875359.1338 }, "end": { "local": "1923-02-20T07:16:39+03:26", "utc": "1923-02-20T03:50:39Z", "ms": -1478894961452.6968 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-02-19", "window": { "start": { "local": "1923-02-19T11:17:55+03:26", "utc": "1923-02-19T07:51:55Z", "ms": -1478966884926.3455 }, "end": { "local": "1923-02-19T12:05:55+03:26", "utc": "1923-02-19T08:39:55Z", "ms": -1478964004926.3455 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-02-20", "window": { "start": { "local": "1923-02-20T11:17:50+03:26", "utc": "1923-02-20T07:51:50Z", "ms": -1478880490292.7197 }, "end": { "local": "1923-02-20T12:05:50+03:26", "utc": "1923-02-20T08:39:50Z", "ms": -1478877610292.7197 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:37 on Mon 19 Feb to 07:16 on Tue 20 Feb.", "fact": "1923-02-19T01:12:05Z → 1923-02-20T03:50:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 19th, 11:17–12:05 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 14471 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1923: Monday 19 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": "1923-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-02-19", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1923 falls on Monday 19 February. Caturthī runs from 04:37 on Mon 19 Feb to 07:16 on Tue 20 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-02-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/ekadashi?on=1923-02-27", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37199, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-02-26T17:08:33+03:26", "utc": "1923-02-26T13:42:33Z", "ms": -1478341047287.5935 }, "end": { "local": "1923-02-27T16:22:43+03:26", "utc": "1923-02-27T12:56:43Z", "ms": -1478257396993.6138 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1923-02-26T17:08:33+03:26", "utc": "1923-02-26T13:42:33Z", "ms": -1478341047287.5935 }, "end": { "local": "1923-02-27T16:22:43+03:26", "utc": "1923-02-27T12:56:43Z", "ms": -1478257396993.6138 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-02-26", "window": { "start": { "local": "1923-02-26T06:04:01+03:26", "utc": "1923-02-26T02:38:01Z", "ms": -1478380919062.3723 }, "end": { "local": "1923-02-26T06:04:01+03:26", "utc": "1923-02-26T02:38:01Z", "ms": -1478380919062.3723 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-02-27", "window": { "start": { "local": "1923-02-27T06:02:44+03:26", "utc": "1923-02-27T02:36:44Z", "ms": -1478294596227.495 }, "end": { "local": "1923-02-27T06:02:44+03:26", "utc": "1923-02-27T02:36:44Z", "ms": -1478294596227.495 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:08 on Mon 26 Feb to 16:22 on Tue 27 Feb.", "fact": "1923-02-26T13:42:33Z → 1923-02-27T12:56:43Z" }, { "step": "kaala", "text": "Sunrise is at 06:03 on the 26th and 06:02 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 37199 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Mashhad, 1923: Tuesday 27 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-02-27", "confidence": "determinate" } ], "quote": "In Mashhad, Āmalakī Ekādaśī 1923 falls on Tuesday 27 February. Ekādaśī runs from 17:08 on Mon 26 Feb to 16:22 on Tue 27 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pradosha-vrata?on=1923-02-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-02-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8930, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-02-28T14:51:10+03:26", "utc": "1923-02-28T11:25:10Z", "ms": -1478176489773.8752 }, "end": { "local": "1923-03-01T12:39:46+03:26", "utc": "1923-03-01T09:13:46Z", "ms": -1478097974253.3245 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1923-02-28T14:51:10+03:26", "utc": "1923-02-28T11:25:10Z", "ms": -1478176489773.8752 }, "end": { "local": "1923-03-01T12:39:46+03:26", "utc": "1923-03-01T09:13:46Z", "ms": -1478097974253.3245 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-02-28", "window": { "start": { "local": "1923-02-28T17:20:01+03:26", "utc": "1923-02-28T13:54:01Z", "ms": -1478167559407.2192 }, "end": { "local": "1923-02-28T19:01:21+03:26", "utc": "1923-02-28T15:35:21Z", "ms": -1478161478545.3555 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1923-03-01", "window": { "start": { "local": "1923-03-01T17:20:57+03:26", "utc": "1923-03-01T13:54:57Z", "ms": -1478081102697.3647 }, "end": { "local": "1923-03-01T19:02:00+03:26", "utc": "1923-03-01T15:36:00Z", "ms": -1478075039994.3862 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:50 on Wed 28 Feb to 12:39 on Thu 1 Mar.", "fact": "1923-02-28T11:25:10Z → 1923-03-01T09:13:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–19:00 on the 28th, 17:20–19:01 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 28th and 0 of 101 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8930 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1923: Wednesday 28 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-02-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-02-28", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1923 falls on Wednesday 28 February. Trayodaśī runs from 14:50 on Wed 28 Feb to 12:39 on Thu 1 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-02-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18543, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-03-02T09:56:14+03:26", "utc": "1923-03-02T06:30:14Z", "ms": -1478021386395.1067 }, "end": { "local": "1923-03-03T06:49:23+03:26", "utc": "1923-03-03T03:23:23Z", "ms": -1477946196506.6216 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1923-03-02T09:56:14+03:26", "utc": "1923-03-02T06:30:14Z", "ms": -1478021386395.1067 }, "end": { "local": "1923-03-03T06:49:23+03:26", "utc": "1923-03-03T03:23:23Z", "ms": -1477946196506.6216 } }, "kaala": "sayahna", "days": [ { "local_date": "1923-03-02", "window": { "start": { "local": "1923-03-02T15:05:16+03:26", "utc": "1923-03-02T11:39:16Z", "ms": -1478002843542.5051 }, "end": { "local": "1923-03-02T17:21:54+03:26", "utc": "1923-03-02T13:55:54Z", "ms": -1477994646321.8748 } }, "covered_min": 137, "window_min": 137, "qualifies": true }, { "local_date": "1923-03-03", "window": { "start": { "local": "1923-03-03T15:05:45+03:26", "utc": "1923-03-03T11:39:45Z", "ms": -1477916414738.0242 }, "end": { "local": "1923-03-03T17:22:50+03:26", "utc": "1923-03-03T13:56:50Z", "ms": -1477908190270.1648 } }, "covered_min": 0, "window_min": 137, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:55 on Fri 2 Mar to 06:48 on Sat 3 Mar.", "fact": "1923-03-02T06:30:14Z → 1923-03-03T03:23:23Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:04–17:21 on the 2nd, 15:05–17:22 on the 3rd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 137 of 137 minutes on the 2nd and 0 of 137 on the 3rd.", "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 18543 s" }, { "step": "ruling", "text": "Holikā Dahana, Mashhad, 1923: Friday 2 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": "1923-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-02", "confidence": "determinate" } ], "quote": "In Mashhad, Holikā Dahana 1923 falls on Friday 2 March. Pūrṇimā runs from 09:55 on Fri 2 Mar to 06:48 on Sat 3 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18543, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-03-02T09:56:14+03:26", "utc": "1923-03-02T06:30:14Z", "ms": -1478021386395.1067 }, "end": { "local": "1923-03-03T06:49:23+03:26", "utc": "1923-03-03T03:23:23Z", "ms": -1477946196506.6216 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1923-03-02T09:56:14+03:26", "utc": "1923-03-02T06:30:14Z", "ms": -1478021386395.1067 }, "end": { "local": "1923-03-03T06:49:23+03:26", "utc": "1923-03-03T03:23:23Z", "ms": -1477946196506.6216 } }, "kaala": "sayahna", "days": [ { "local_date": "1923-03-02", "window": { "start": { "local": "1923-03-02T15:05:16+03:26", "utc": "1923-03-02T11:39:16Z", "ms": -1478002843542.5051 }, "end": { "local": "1923-03-02T17:21:54+03:26", "utc": "1923-03-02T13:55:54Z", "ms": -1477994646321.8748 } }, "covered_min": 137, "window_min": 137, "qualifies": true }, { "local_date": "1923-03-03", "window": { "start": { "local": "1923-03-03T15:05:45+03:26", "utc": "1923-03-03T11:39:45Z", "ms": -1477916414738.0242 }, "end": { "local": "1923-03-03T17:22:50+03:26", "utc": "1923-03-03T13:56:50Z", "ms": -1477908190270.1648 } }, "covered_min": 0, "window_min": 137, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1923-03-02", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:55 on Fri 2 Mar to 06:48 on Sat 3 Mar.", "fact": "1923-03-02T06:30:14Z → 1923-03-03T03:23:23Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:04–17:21 on the 2nd, 15:05–17:22 on the 3rd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 137 of 137 minutes on the 2nd and 0 of 137 on the 3rd.", "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 18543 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Friday 2 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Mashhad, 1923: Saturday 3 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": "1923-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-03", "confidence": "determinate" } ], "quote": "In Mashhad, Holī 1923 falls on Saturday 3 March. It is kept the day after Holikā Dahana, which falls on Friday 2 March. Pūrṇimā runs from 09:55 on Fri 2 Mar to 06:48 on Sat 3 Mar and covers all of sāyāhna on the 2nd.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-03", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3116, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1923-03-03T06:49:23+03:26", "utc": "1923-03-03T03:23:23Z", "ms": -1477946196506.6216 }, "end": { "local": "1923-03-04T03:28:35+03:26", "utc": "1923-03-04T00:02:35Z", "ms": -1477871845473.0852 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-03T06:49:23+03:26", "utc": "1923-03-03T03:23:23Z", "ms": -1477946196506.6216 }, "end": { "local": "1923-03-04T03:28:35+03:26", "utc": "1923-03-04T00:02:35Z", "ms": -1477871845473.0852 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-03-03", "window": { "start": { "local": "1923-03-03T05:57:27+03:26", "utc": "1923-03-03T02:31:27Z", "ms": -1477949312609.4612 }, "end": { "local": "1923-03-03T05:57:27+03:26", "utc": "1923-03-03T02:31:27Z", "ms": -1477949312609.4612 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-03-04", "window": { "start": { "local": "1923-03-04T05:56:07+03:26", "utc": "1923-03-04T02:30:07Z", "ms": -1477862993461.3008 }, "end": { "local": "1923-03-04T05:56:07+03:26", "utc": "1923-03-04T02:30:07Z", "ms": -1477862993461.3008 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:48 on Sat 3 Mar to 03:28 on Sun 4 Mar.", "fact": "1923-03-03T03:23:23Z → 1923-03-04T00:02:35Z" }, { "step": "kaala", "text": "Sunrise is at 05:56 on the 3rd and 05:55 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: purvaviddha → tithi-day · margin 3116 s" }, { "step": "ruling", "text": "Vasantotsava, Mashhad, 1923: Saturday 3 March.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1923-03-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-03", "confidence": "boundary" } ], "quote": "In Mashhad, Vasantotsava 1923 falls on Saturday 3 March. Pratipadā runs from 06:48 on Sat 3 Mar to 03:28 on Sun 4 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/sankashta-chaturthi?on=1923-03-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-05", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1730, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-03-05T20:42:10+03:26", "utc": "1923-03-05T17:16:10Z", "ms": -1477723430069.5386 }, "end": { "local": "1923-03-06T17:34:08+03:26", "utc": "1923-03-06T14:08:08Z", "ms": -1477648311991.2034 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-05T20:42:10+03:26", "utc": "1923-03-05T17:16:10Z", "ms": -1477723430069.5386 }, "end": { "local": "1923-03-06T17:34:08+03:26", "utc": "1923-03-06T14:08:08Z", "ms": -1477648311991.2034 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-03-05", "window": { "start": { "local": "1923-03-05T20:13:20+03:26", "utc": "1923-03-05T16:47:20Z", "ms": -1477725160348.352 }, "end": { "local": "1923-03-05T20:13:20+03:26", "utc": "1923-03-05T16:47:20Z", "ms": -1477725160348.352 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-03-06", "window": { "start": { "local": "1923-03-06T21:22:31+03:26", "utc": "1923-03-06T17:56:31Z", "ms": -1477634608872.8235 }, "end": { "local": "1923-03-06T21:22:31+03:26", "utc": "1923-03-06T17:56:31Z", "ms": -1477634608872.8235 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:41 on Mon 5 Mar to 17:33 on Tue 6 Mar.", "fact": "1923-03-05T17:16:10Z → 1923-03-06T14:08:08Z" }, { "step": "kaala", "text": "Moonrise is at 20:12 on the 5th and 21:22 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 5th and is not on the 6th.", "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 1730 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1923: Monday 5 March.", "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": "1923-03-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-05", "confidence": "boundary" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1923 falls on Monday 5 March. Caturthī runs from 20:41 on Mon 5 Mar to 17:33 on Tue 6 Mar, and is current at moonrise on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1923/sankashta-chaturthi?on=1923-03-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2216, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1923-03-09T10:37:51+03:26", "utc": "1923-03-09T07:11:51Z", "ms": -1477414089008.3665 }, "end": { "local": "1923-03-10T09:24:48+03:26", "utc": "1923-03-10T05:58:48Z", "ms": -1477332072213.2444 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-09T10:37:51+03:26", "utc": "1923-03-09T07:11:51Z", "ms": -1477414089008.3665 }, "end": { "local": "1923-03-10T09:24:48+03:26", "utc": "1923-03-10T05:58:48Z", "ms": -1477332072213.2444 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-03-09", "window": { "start": { "local": "1923-03-09T11:14:47+03:26", "utc": "1923-03-09T07:48:47Z", "ms": -1477411873295.4473 }, "end": { "local": "1923-03-09T12:02:47+03:26", "utc": "1923-03-09T08:36:47Z", "ms": -1477408993295.4473 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-03-10", "window": { "start": { "local": "1923-03-10T11:14:32+03:26", "utc": "1923-03-10T07:48:32Z", "ms": -1477325488305.6143 }, "end": { "local": "1923-03-10T12:02:32+03:26", "utc": "1923-03-10T08:36:32Z", "ms": -1477322608305.6143 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:37 on Fri 9 Mar to 09:24 on Sat 10 Mar.", "fact": "1923-03-09T07:11:51Z → 1923-03-10T05:58:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 9th, 11:14–12:02 on the 10th.", "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 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2216 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Mashhad, 1923: Friday 9 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": "1923-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-09", "confidence": "determinate" } ], "quote": "In Mashhad, Śītalāṣṭamī 1923 falls on Friday 9 March. Aṣṭamī runs from 10:37 on Fri 9 Mar to 09:24 on Sat 10 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-03-13", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11025, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-03-12T08:48:45+03:26", "utc": "1923-03-12T05:22:45Z", "ms": -1477161434782.1777 }, "end": { "local": "1923-03-13T09:23:32+03:26", "utc": "1923-03-13T05:57:32Z", "ms": -1477072947955.214 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-12T08:48:45+03:26", "utc": "1923-03-12T05:22:45Z", "ms": -1477161434782.1777 }, "end": { "local": "1923-03-13T09:23:32+03:26", "utc": "1923-03-13T05:57:32Z", "ms": -1477072947955.214 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-03-12", "window": { "start": { "local": "1923-03-12T05:45:00+03:26", "utc": "1923-03-12T02:19:00Z", "ms": -1477172460194.9736 }, "end": { "local": "1923-03-12T05:45:00+03:26", "utc": "1923-03-12T02:19:00Z", "ms": -1477172460194.9736 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-03-13", "window": { "start": { "local": "1923-03-13T05:43:34+03:26", "utc": "1923-03-13T02:17:34Z", "ms": -1477086145544.5146 }, "end": { "local": "1923-03-13T05:43:34+03:26", "utc": "1923-03-13T02:17:34Z", "ms": -1477086145544.5146 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:48 on Mon 12 Mar to 09:23 on Tue 13 Mar.", "fact": "1923-03-12T05:22:45Z → 1923-03-13T05:57:32Z" }, { "step": "kaala", "text": "Sunrise is at 05:44 on the 12th and 05:43 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11025 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Mashhad, 1923: Tuesday 13 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-13", "confidence": "determinate" } ], "quote": "In Mashhad, Pāpamocanī Ekādaśī 1923 falls on Tuesday 13 March. Ekādaśī runs from 08:48 on Mon 12 Mar to 09:23 on Tue 13 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-03-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pradosha-vrata?on=1923-03-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19796, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-03-14T10:29:49+03:26", "utc": "1923-03-14T07:03:49Z", "ms": -1476982571352.2441 }, "end": { "local": "1923-03-15T12:03:45+03:26", "utc": "1923-03-15T08:37:45Z", "ms": -1476890535240.4824 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-14T10:29:49+03:26", "utc": "1923-03-14T07:03:49Z", "ms": -1476982571352.2441 }, "end": { "local": "1923-03-15T12:03:45+03:26", "utc": "1923-03-15T08:37:45Z", "ms": -1476890535240.4824 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-03-14", "window": { "start": { "local": "1923-03-14T17:32:48+03:26", "utc": "1923-03-14T14:06:48Z", "ms": -1476957191821.219 }, "end": { "local": "1923-03-14T19:09:51+03:26", "utc": "1923-03-14T15:43:51Z", "ms": -1476951368545.7927 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1923-03-15", "window": { "start": { "local": "1923-03-15T17:33:41+03:26", "utc": "1923-03-15T14:07:41Z", "ms": -1476870738833.3564 }, "end": { "local": "1923-03-15T19:10:26+03:26", "utc": "1923-03-15T15:44:26Z", "ms": -1476864934130.3997 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:29 on Wed 14 Mar to 12:03 on Thu 15 Mar.", "fact": "1923-03-14T07:03:49Z → 1923-03-15T08:37:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:32–19:09 on the 14th, 17:33–19:09 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 97 of 97 minutes on the 14th and 0 of 97 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19796 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1923: Wednesday 14 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": "1923-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-14", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1923 falls on Wednesday 14 March. Trayodaśī runs from 10:29 on Wed 14 Mar to 12:03 on Thu 15 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-03-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/shivaratri?on=1923-03-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33069, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-03-15T12:03:45+03:26", "utc": "1923-03-15T08:37:45Z", "ms": -1476890535240.4824 }, "end": { "local": "1923-03-16T14:01:03+03:26", "utc": "1923-03-16T10:35:03Z", "ms": -1476797097179.3765 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-15T12:03:45+03:26", "utc": "1923-03-15T08:37:45Z", "ms": -1476890535240.4824 }, "end": { "local": "1923-03-16T14:01:03+03:26", "utc": "1923-03-16T10:35:03Z", "ms": -1476797097179.3765 } }, "kaala": "nishita", "days": [ { "local_date": "1923-03-15", "window": { "start": { "local": "1923-03-15T23:12:29+03:26", "utc": "1923-03-15T19:46:29Z", "ms": -1476850411197.268 }, "end": { "local": "1923-03-16T00:00:29+03:26", "utc": "1923-03-15T20:34:29Z", "ms": -1476847531197.268 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-03-16", "window": { "start": { "local": "1923-03-16T23:12:12+03:26", "utc": "1923-03-16T19:46:12Z", "ms": -1476764028090.5889 }, "end": { "local": "1923-03-17T00:00:12+03:26", "utc": "1923-03-16T20:34:12Z", "ms": -1476761148090.5889 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:03 on Thu 15 Mar to 14:00 on Fri 16 Mar.", "fact": "1923-03-15T08:37:45Z → 1923-03-16T10:35:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:11–23:59 on the 15th, 23:11–23:59 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33069 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1923: Thursday 15 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": "1923-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-15", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1923 falls on Thursday 15 March. Caturdaśī runs from 12:03 on Thu 15 Mar to 14:00 on Fri 16 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1923/shivaratri?on=1923-03-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15386, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1923-03-17T16:17:04+03:26", "utc": "1923-03-17T12:51:04Z", "ms": -1476702535903.306 }, "end": { "local": "1923-03-18T18:46:41+03:26", "utc": "1923-03-18T15:20:41Z", "ms": -1476607159219.1191 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-17T16:17:04+03:26", "utc": "1923-03-17T12:51:04Z", "ms": -1476702535903.306 }, "end": { "local": "1923-03-18T18:46:41+03:26", "utc": "1923-03-18T15:20:41Z", "ms": -1476607159219.1191 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-03-17", "window": { "start": { "local": "1923-03-17T11:12:38+03:26", "utc": "1923-03-17T07:46:38Z", "ms": -1476720801798.6787 }, "end": { "local": "1923-03-17T12:00:38+03:26", "utc": "1923-03-17T08:34:38Z", "ms": -1476717921798.6787 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-03-18", "window": { "start": { "local": "1923-03-18T11:12:21+03:26", "utc": "1923-03-18T07:46:21Z", "ms": -1476634419005.0781 }, "end": { "local": "1923-03-18T12:00:21+03:26", "utc": "1923-03-18T08:34:21Z", "ms": -1476631539005.0781 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 16:16 on Sat 17 Mar to 18:46 on Sun 18 Mar.", "fact": "1923-03-17T12:51:04Z → 1923-03-18T15:20:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:12–12:00 on the 17th, 11:11–11:59 on the 18th.", "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 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15386 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Mashhad, 1923: Sunday 18 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": "1923-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-18", "confidence": "determinate" } ], "quote": "In Mashhad, Navarātrārambha (Caitra) (Chaitra Navratri) 1923 falls on Sunday 18 March. Pratipadā runs from 16:16 on Sat 17 Mar to 18:46 on Sun 18 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33835, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1923-03-19T21:23:58+03:26", "utc": "1923-03-19T17:57:58Z", "ms": -1476511321779.3186 }, "end": { "local": "1923-03-21T00:01:56+03:26", "utc": "1923-03-20T20:35:56Z", "ms": -1476415443571.3716 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-19T21:23:58+03:26", "utc": "1923-03-19T17:57:58Z", "ms": -1476511321779.3186 }, "end": { "local": "1923-03-21T00:01:56+03:26", "utc": "1923-03-20T20:35:56Z", "ms": -1476415443571.3716 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-03-19", "window": { "start": { "local": "1923-03-19T11:12:04+03:26", "utc": "1923-03-19T07:46:04Z", "ms": -1476548036407.959 }, "end": { "local": "1923-03-19T12:00:04+03:26", "utc": "1923-03-19T08:34:04Z", "ms": -1476545156407.959 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-03-20", "window": { "start": { "local": "1923-03-20T11:11:46+03:26", "utc": "1923-03-20T07:45:46Z", "ms": -1476461653989.8655 }, "end": { "local": "1923-03-20T11:59:46+03:26", "utc": "1923-03-20T08:33:46Z", "ms": -1476458773989.8655 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:23 on Mon 19 Mar to 00:01 on Wed 21 Mar.", "fact": "1923-03-19T17:57:58Z → 1923-03-20T20:35:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 19th, 11:11–11:59 on the 20th.", "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 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33835 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Mashhad, 1923: Tuesday 20 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": "1923-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-20", "confidence": "determinate" } ], "quote": "In Mashhad, Gaurī Tṛtīyā (Gangaur) 1923 falls on Tuesday 20 March. Tṛtīyā runs from 21:23 on Mon 19 Mar to 00:01 on Wed 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33835, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1923-03-19T21:23:58+03:26", "utc": "1923-03-19T17:57:58Z", "ms": -1476511321779.3186 }, "end": { "local": "1923-03-21T00:01:56+03:26", "utc": "1923-03-20T20:35:56Z", "ms": -1476415443571.3716 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-19T21:23:58+03:26", "utc": "1923-03-19T17:57:58Z", "ms": -1476511321779.3186 }, "end": { "local": "1923-03-21T00:01:56+03:26", "utc": "1923-03-20T20:35:56Z", "ms": -1476415443571.3716 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-03-19", "window": { "start": { "local": "1923-03-19T11:12:04+03:26", "utc": "1923-03-19T07:46:04Z", "ms": -1476548036407.959 }, "end": { "local": "1923-03-19T12:00:04+03:26", "utc": "1923-03-19T08:34:04Z", "ms": -1476545156407.959 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-03-20", "window": { "start": { "local": "1923-03-20T11:11:46+03:26", "utc": "1923-03-20T07:45:46Z", "ms": -1476461653989.8655 }, "end": { "local": "1923-03-20T11:59:46+03:26", "utc": "1923-03-20T08:33:46Z", "ms": -1476458773989.8655 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:23 on Mon 19 Mar to 00:01 on Wed 21 Mar.", "fact": "1923-03-19T17:57:58Z → 1923-03-20T20:35:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 19th, 11:11–11:59 on the 20th.", "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 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33835 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Mashhad, 1923: Tuesday 20 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": "1923-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-20", "confidence": "determinate" } ], "quote": "In Mashhad, Saubhāgya Śayana Vrata 1923 falls on Tuesday 20 March. Tṛtīyā runs from 21:23 on Mon 19 Mar to 00:01 on Wed 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-03-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31128, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-03-21T00:01:56+03:26", "utc": "1923-03-20T20:35:56Z", "ms": -1476415443571.3716 }, "end": { "local": "1923-03-22T02:32:23+03:26", "utc": "1923-03-21T23:06:23Z", "ms": -1476320017209.459 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-21T00:01:56+03:26", "utc": "1923-03-20T20:35:56Z", "ms": -1476415443571.3716 }, "end": { "local": "1923-03-22T02:32:23+03:26", "utc": "1923-03-21T23:06:23Z", "ms": -1476320017209.459 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-03-21", "window": { "start": { "local": "1923-03-21T11:11:28+03:26", "utc": "1923-03-21T07:45:28Z", "ms": -1476375271733.1436 }, "end": { "local": "1923-03-21T11:59:28+03:26", "utc": "1923-03-21T08:33:28Z", "ms": -1476372391733.1436 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-03-22", "window": { "start": { "local": "1923-03-22T11:11:10+03:26", "utc": "1923-03-22T07:45:10Z", "ms": -1476288889619.9175 }, "end": { "local": "1923-03-22T11:59:10+03:26", "utc": "1923-03-22T08:33:10Z", "ms": -1476286009619.9175 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:01 on Wed 21 Mar to 02:31 on Thu 22 Mar.", "fact": "1923-03-20T20:35:56Z → 1923-03-21T23:06:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 21st, 11:10–11:58 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31128 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1923: Wednesday 21 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": "1923-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-21", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1923 falls on Wednesday 21 March. Caturthī runs from 00:01 on Wed 21 Mar to 02:31 on Thu 22 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-03-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23086, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1923-03-22T02:32:23+03:26", "utc": "1923-03-21T23:06:23Z", "ms": -1476320017209.459 }, "end": { "local": "1923-03-23T04:46:07+03:26", "utc": "1923-03-23T01:20:07Z", "ms": -1476225593323.7366 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-22T02:32:23+03:26", "utc": "1923-03-21T23:06:23Z", "ms": -1476320017209.459 }, "end": { "local": "1923-03-23T04:46:07+03:26", "utc": "1923-03-23T01:20:07Z", "ms": -1476225593323.7366 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-03-22", "window": { "start": { "local": "1923-03-22T11:11:10+03:26", "utc": "1923-03-22T07:45:10Z", "ms": -1476288889619.9175 }, "end": { "local": "1923-03-22T11:59:10+03:26", "utc": "1923-03-22T08:33:10Z", "ms": -1476286009619.9175 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-03-23", "window": { "start": { "local": "1923-03-23T11:10:52+03:26", "utc": "1923-03-23T07:44:52Z", "ms": -1476202507632.0571 }, "end": { "local": "1923-03-23T11:58:52+03:26", "utc": "1923-03-23T08:32:52Z", "ms": -1476199627632.0571 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:31 on Thu 22 Mar to 04:45 on Fri 23 Mar.", "fact": "1923-03-21T23:06:23Z → 1923-03-23T01:20:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 22nd, 11:10–11:58 on the 23rd.", "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 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23086 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Mashhad, 1923: Thursday 22 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": "1923-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-22", "confidence": "determinate" } ], "quote": "In Mashhad, Lakṣmī Pañcamī 1923 falls on Thursday 22 March. Pañcamī runs from 02:31 on Thu 22 Mar to 04:45 on Fri 23 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10366, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1923-03-25T07:46:20+03:26", "utc": "1923-03-25T04:20:20Z", "ms": -1476041980094.451 }, "end": { "local": "1923-03-26T08:17:12+03:26", "utc": "1923-03-26T04:51:12Z", "ms": -1475953728373.8801 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-25T07:46:20+03:26", "utc": "1923-03-25T04:20:20Z", "ms": -1476041980094.451 }, "end": { "local": "1923-03-26T08:17:12+03:26", "utc": "1923-03-26T04:51:12Z", "ms": -1475953728373.8801 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-03-25", "window": { "start": { "local": "1923-03-25T11:10:16+03:26", "utc": "1923-03-25T07:44:16Z", "ms": -1476029743958.4414 }, "end": { "local": "1923-03-25T11:58:16+03:26", "utc": "1923-03-25T08:32:16Z", "ms": -1476026863958.4414 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-03-26", "window": { "start": { "local": "1923-03-26T11:09:58+03:26", "utc": "1923-03-26T07:43:58Z", "ms": -1475943362234.776 }, "end": { "local": "1923-03-26T11:57:58+03:26", "utc": "1923-03-26T08:31:58Z", "ms": -1475940482234.776 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:45 on Sun 25 Mar to 08:16 on Mon 26 Mar.", "fact": "1923-03-25T04:20:20Z → 1923-03-26T04:51:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 25th, 11:09–11:57 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10366 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Mashhad, 1923: Sunday 25 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": "1923-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-25", "confidence": "determinate" } ], "quote": "In Mashhad, Bhavānī Utpatti 1923 falls on Sunday 25 March. Aṣṭamī runs from 07:45 on Sun 25 Mar to 08:16 on Mon 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10366, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1923-03-26T08:17:12+03:26", "utc": "1923-03-26T04:51:12Z", "ms": -1475953728373.8801 }, "end": { "local": "1923-03-27T08:02:04+03:26", "utc": "1923-03-27T04:36:04Z", "ms": -1475868236333.4055 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-26T08:17:12+03:26", "utc": "1923-03-26T04:51:12Z", "ms": -1475953728373.8801 }, "end": { "local": "1923-03-27T08:02:04+03:26", "utc": "1923-03-27T04:36:04Z", "ms": -1475868236333.4055 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-03-26", "window": { "start": { "local": "1923-03-26T11:09:58+03:26", "utc": "1923-03-26T07:43:58Z", "ms": -1475943362234.776 }, "end": { "local": "1923-03-26T11:57:58+03:26", "utc": "1923-03-26T08:31:58Z", "ms": -1475940482234.776 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-03-27", "window": { "start": { "local": "1923-03-27T11:09:39+03:26", "utc": "1923-03-27T07:43:39Z", "ms": -1475856980560.4639 }, "end": { "local": "1923-03-27T11:57:39+03:26", "utc": "1923-03-27T08:31:39Z", "ms": -1475854100560.4639 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 08:16 on Mon 26 Mar to 08:01 on Tue 27 Mar.", "fact": "1923-03-26T04:51:12Z → 1923-03-27T04:36:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 26th, 11:09–11:57 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 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 10366 s" }, { "step": "ruling", "text": "Rāma Navamī, Mashhad, 1923: Monday 26 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": "1923-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-26", "confidence": "determinate" } ], "quote": "In Mashhad, Rāma Navamī 1923 falls on Monday 26 March. Navamī runs from 08:16 on Mon 26 Mar to 08:01 on Tue 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-03-28", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 463, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-03-28T06:59:52+03:26", "utc": "1923-03-28T03:33:52Z", "ms": -1475785568060.79 }, "end": { "local": "1923-03-29T05:12:37+03:26", "utc": "1923-03-29T01:46:37Z", "ms": -1475705602648.0037 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-28T06:59:52+03:26", "utc": "1923-03-28T03:33:52Z", "ms": -1475785568060.79 }, "end": { "local": "1923-03-29T05:12:37+03:26", "utc": "1923-03-29T01:46:37Z", "ms": -1475705602648.0037 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-03-28", "window": { "start": { "local": "1923-03-28T05:21:48+03:26", "utc": "1923-03-28T01:55:48Z", "ms": -1475791451895.0342 }, "end": { "local": "1923-03-28T05:21:48+03:26", "utc": "1923-03-28T01:55:48Z", "ms": -1475791451895.0342 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-03-29", "window": { "start": { "local": "1923-03-29T05:20:21+03:26", "utc": "1923-03-29T01:54:21Z", "ms": -1475705139456.446 }, "end": { "local": "1923-03-29T05:20:21+03:26", "utc": "1923-03-29T01:54:21Z", "ms": -1475705139456.446 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:59 on Wed 28 Mar to 05:12 on Thu 29 Mar.", "fact": "1923-03-28T03:33:52Z → 1923-03-29T01:46:37Z" }, { "step": "kaala", "text": "Sunrise is at 05:21 on the 28th and 05:19 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 not on the 29th.", "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 463 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Mashhad, 1923: Wednesday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-28", "confidence": "determinate" } ], "quote": "In Mashhad, Kāmadā Ekādaśī 1923 falls on Wednesday 28 March. Ekādaśī runs from 06:59 on Wed 28 Mar to 05:12 on Thu 29 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-03-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30222, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-03-30T02:45:02+03:26", "utc": "1923-03-29T23:19:02Z", "ms": -1475628057988.8032 }, "end": { "local": "1923-03-30T23:43:55+03:26", "utc": "1923-03-30T20:17:55Z", "ms": -1475552524763.8262 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-30T02:45:02+03:26", "utc": "1923-03-29T23:19:02Z", "ms": -1475628057988.8032 }, "end": { "local": "1923-03-30T23:43:55+03:26", "utc": "1923-03-30T20:17:55Z", "ms": -1475552524763.8262 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-03-30", "window": { "start": { "local": "1923-03-30T11:08:44+03:26", "utc": "1923-03-30T07:42:44Z", "ms": -1475597835625.3047 }, "end": { "local": "1923-03-30T11:56:44+03:26", "utc": "1923-03-30T08:30:44Z", "ms": -1475594955625.3047 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-03-31", "window": { "start": { "local": "1923-03-31T11:08:26+03:26", "utc": "1923-03-31T07:42:26Z", "ms": -1475511453935.1553 }, "end": { "local": "1923-03-31T11:56:26+03:26", "utc": "1923-03-31T08:30:26Z", "ms": -1475508573935.1553 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:44 on Fri 30 Mar to 23:43 on Fri 30 Mar.", "fact": "1923-03-29T23:19:02Z → 1923-03-30T20:17:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 30th, 11:07–11:55 on the 31st.", "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 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: purvaviddha → only-day · margin 30222 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Mashhad, 1923: Friday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-30", "confidence": "determinate" } ], "quote": "In Mashhad, Anaṅga Trayodaśī 1923 falls on Friday 30 March. Trayodaśī runs from 02:44 on Fri 30 Mar to 23:43 on Fri 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/pradosha-vrata?on=1923-03-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15913, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-03-30T02:45:02+03:26", "utc": "1923-03-29T23:19:02Z", "ms": -1475628057988.8032 }, "end": { "local": "1923-03-30T23:43:55+03:26", "utc": "1923-03-30T20:17:55Z", "ms": -1475552524763.8262 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-30T02:45:02+03:26", "utc": "1923-03-29T23:19:02Z", "ms": -1475628057988.8032 }, "end": { "local": "1923-03-30T23:43:55+03:26", "utc": "1923-03-30T20:17:55Z", "ms": -1475552524763.8262 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-03-29", "window": { "start": { "local": "1923-03-29T17:45:45+03:26", "utc": "1923-03-29T14:19:45Z", "ms": -1475660415098.5674 }, "end": { "local": "1923-03-29T19:18:10+03:26", "utc": "1923-03-29T15:52:10Z", "ms": -1475654870006.7974 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "1923-03-30", "window": { "start": { "local": "1923-03-30T17:46:36+03:26", "utc": "1923-03-30T14:20:36Z", "ms": -1475573964340.3176 }, "end": { "local": "1923-03-30T19:18:42+03:26", "utc": "1923-03-30T15:52:42Z", "ms": -1475568437658.231 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:44 on Fri 30 Mar to 23:43 on Fri 30 Mar.", "fact": "1923-03-29T23:19:02Z → 1923-03-30T20:17:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:17 on the 29th, 17:46–19:18 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 29th and 92 of 92 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15913 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1923: Friday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-30", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1923 falls on Friday 30 March. Trayodaśī runs from 02:44 on Fri 30 Mar to 23:43 on Fri 30 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-03-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30073, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-03-30T23:43:55+03:26", "utc": "1923-03-30T20:17:55Z", "ms": -1475552524763.8262 }, "end": { "local": "1923-03-31T20:17:39+03:26", "utc": "1923-03-31T16:51:39Z", "ms": -1475478501333.2866 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-30T23:43:55+03:26", "utc": "1923-03-30T20:17:55Z", "ms": -1475552524763.8262 }, "end": { "local": "1923-03-31T20:17:39+03:26", "utc": "1923-03-31T16:51:39Z", "ms": -1475478501333.2866 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-03-30", "window": { "start": { "local": "1923-03-30T11:08:44+03:26", "utc": "1923-03-30T07:42:44Z", "ms": -1475597835625.3047 }, "end": { "local": "1923-03-30T11:56:44+03:26", "utc": "1923-03-30T08:30:44Z", "ms": -1475594955625.3047 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-03-31", "window": { "start": { "local": "1923-03-31T11:08:26+03:26", "utc": "1923-03-31T07:42:26Z", "ms": -1475511453935.1553 }, "end": { "local": "1923-03-31T11:56:26+03:26", "utc": "1923-03-31T08:30:26Z", "ms": -1475508573935.1553 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:43 on Fri 30 Mar to 20:17 on Sat 31 Mar.", "fact": "1923-03-30T20:17:55Z → 1923-03-31T16:51:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 30th, 11:07–11:55 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 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 30073 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Mashhad, 1923: Saturday 31 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-03-31", "confidence": "determinate" } ], "quote": "In Mashhad, Viṣṇudamanaka Caturdaśī 1923 falls on Saturday 31 March. Caturdaśī runs from 23:43 on Fri 30 Mar to 20:17 on Sat 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16768, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-03-31T20:17:39+03:26", "utc": "1923-03-31T16:51:39Z", "ms": -1475478501333.2866 }, "end": { "local": "1923-04-01T16:35:36+03:26", "utc": "1923-04-01T13:09:36Z", "ms": -1475405424320.137 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1923-03-31T20:17:39+03:26", "utc": "1923-03-31T16:51:39Z", "ms": -1475478501333.2866 }, "end": { "local": "1923-04-01T16:35:36+03:26", "utc": "1923-04-01T13:09:36Z", "ms": -1475405424320.137 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-03-31", "window": { "start": { "local": "1923-03-31T11:08:26+03:26", "utc": "1923-03-31T07:42:26Z", "ms": -1475511453935.1553 }, "end": { "local": "1923-03-31T11:56:26+03:26", "utc": "1923-03-31T08:30:26Z", "ms": -1475508573935.1553 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-04-01", "window": { "start": { "local": "1923-04-01T11:08:08+03:26", "utc": "1923-04-01T07:42:08Z", "ms": -1475425072182.8076 }, "end": { "local": "1923-04-01T11:56:08+03:26", "utc": "1923-04-01T08:30:08Z", "ms": -1475422192182.8076 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:17 on Sat 31 Mar to 16:35 on Sun 1 Apr.", "fact": "1923-03-31T16:51:39Z → 1923-04-01T13:09:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 31st, 11:07–11:55 on the 1st.", "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 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16768 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Mashhad, 1923: Sunday 1 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": "1923-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-01", "confidence": "determinate" } ], "quote": "In Mashhad, Caitrī Pūrṇimā 1923 falls on Sunday 1 April. Pūrṇimā runs from 20:17 on Sat 31 Mar to 16:35 on Sun 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/sankashta-chaturthi?on=1923-04-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18720, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-04-04T05:35:45+03:26", "utc": "1923-04-04T02:09:45Z", "ms": -1475185814704.6667 }, "end": { "local": "1923-04-05T02:31:26+03:26", "utc": "1923-04-04T23:05:26Z", "ms": -1475110473971.279 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-04T05:35:45+03:26", "utc": "1923-04-04T02:09:45Z", "ms": -1475185814704.6667 }, "end": { "local": "1923-04-05T02:31:26+03:26", "utc": "1923-04-04T23:05:26Z", "ms": -1475110473971.279 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-04-03", "window": { "start": { "local": "1923-04-03T20:10:43+03:26", "utc": "1923-04-03T16:44:43Z", "ms": -1475219717011.244 }, "end": { "local": "1923-04-03T20:10:43+03:26", "utc": "1923-04-03T16:44:43Z", "ms": -1475219717011.244 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-04-04", "window": { "start": { "local": "1923-04-04T21:19:26+03:26", "utc": "1923-04-04T17:53:26Z", "ms": -1475129194210.813 }, "end": { "local": "1923-04-04T21:19:26+03:26", "utc": "1923-04-04T17:53:26Z", "ms": -1475129194210.813 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:35 on Wed 4 Apr to 02:30 on Thu 5 Apr.", "fact": "1923-04-04T02:09:45Z → 1923-04-04T23:05:26Z" }, { "step": "kaala", "text": "Moonrise is at 20:10 on the 3rd and 21:18 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18720 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1923: Wednesday 4 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": "1923-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-04", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1923 falls on Wednesday 4 April. Caturthī runs from 05:35 on Wed 4 Apr to 02:30 on Thu 5 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/sankashta-chaturthi?on=1923-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/ekadashi?on=1923-04-11", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17681, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-04-10T22:21:48+03:26", "utc": "1923-04-10T18:55:48Z", "ms": -1474607051625.2744 }, "end": { "local": "1923-04-12T00:05:40+03:26", "utc": "1923-04-11T20:39:40Z", "ms": -1474514420297.7673 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-10T22:21:48+03:26", "utc": "1923-04-10T18:55:48Z", "ms": -1474607051625.2744 }, "end": { "local": "1923-04-12T00:05:40+03:26", "utc": "1923-04-11T20:39:40Z", "ms": -1474514420297.7673 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-04-11", "window": { "start": { "local": "1923-04-11T05:01:44+03:26", "utc": "1923-04-11T01:35:44Z", "ms": -1474583056239.9097 }, "end": { "local": "1923-04-11T05:01:44+03:26", "utc": "1923-04-11T01:35:44Z", "ms": -1474583056239.9097 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-04-12", "window": { "start": { "local": "1923-04-12T05:00:21+03:26", "utc": "1923-04-12T01:34:21Z", "ms": -1474496739400.4834 }, "end": { "local": "1923-04-12T05:00:21+03:26", "utc": "1923-04-12T01:34:21Z", "ms": -1474496739400.4834 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:21 on Tue 10 Apr to 00:05 on Thu 12 Apr.", "fact": "1923-04-10T18:55:48Z → 1923-04-11T20:39:40Z" }, { "step": "kaala", "text": "Sunrise is at 05:01 on the 11th and 04:59 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 17681 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Mashhad, 1923: Wednesday 11 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": "1923-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-11", "confidence": "determinate" } ], "quote": "In Mashhad, Varūthinī Ekādaśī 1923 falls on Wednesday 11 April. Ekādaśī runs from 22:21 on Tue 10 Apr to 00:05 on Thu 12 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-04-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27024, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1923-04-13T21:27:12+03:26", "utc": "1923-04-13T18:01:12Z", "ms": -1474351128393.7278 }, "end": { "local": "1923-05-14T18:25:47+03:26", "utc": "1923-05-14T14:59:47Z", "ms": -1471683612757.7507 } }, "span": { "of": "transit", "start": { "local": "1923-04-13T21:27:12+03:26", "utc": "1923-04-13T18:01:12Z", "ms": -1474351128393.7278 }, "end": { "local": "1923-04-13T21:27:12+03:26", "utc": "1923-04-13T18:01:12Z", "ms": -1474351128393.7278 } }, "kaala": "day", "days": [ { "local_date": "1923-04-13", "window": { "start": { "local": "1923-04-13T04:58:58+03:26", "utc": "1923-04-13T01:32:58Z", "ms": -1474410422024.0618 }, "end": { "local": "1923-04-14T04:57:36+03:26", "utc": "1923-04-14T01:31:36Z", "ms": -1474324104083.586 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1923-04-14", "window": { "start": { "local": "1923-04-14T04:57:36+03:26", "utc": "1923-04-14T01:31:36Z", "ms": -1474324104083.586 }, "end": { "local": "1923-04-15T04:56:14+03:26", "utc": "1923-04-15T01:30:14Z", "ms": -1474237785552.2183 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 21:26 on Fri 13 Apr.", "fact": "1923-04-13T18:01:12Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 04:58 on the 13th, and from 04:57 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 27024 s" }, { "step": "ruling", "text": "Vaiśākhī, Mashhad, 1923: Friday 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": "1923-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1923-04-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1923-04-14", "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 Mashhad, Vaiśākhī 1923 falls on Friday 13 April. The Sun enters Meṣa at 21:26 on Fri 13 Apr, and the rule counts the day from sunrise. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/pradosha-vrata?on=1923-04-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24585, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-04-13T02:15:31+03:26", "utc": "1923-04-12T22:49:31Z", "ms": -1474420228640.256 }, "end": { "local": "1923-04-14T04:42:22+03:26", "utc": "1923-04-14T01:16:22Z", "ms": -1474325018266.6045 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-13T02:15:31+03:26", "utc": "1923-04-12T22:49:31Z", "ms": -1474420228640.256 }, "end": { "local": "1923-04-14T04:42:22+03:26", "utc": "1923-04-14T01:16:22Z", "ms": -1474325018266.6045 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-04-12", "window": { "start": { "local": "1923-04-12T17:57:35+03:26", "utc": "1923-04-12T14:31:35Z", "ms": -1474450105182.9438 }, "end": { "local": "1923-04-12T19:25:46+03:26", "utc": "1923-04-12T15:59:46Z", "ms": -1474444814095.093 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "1923-04-13", "window": { "start": { "local": "1923-04-13T17:58:26+03:26", "utc": "1923-04-13T14:32:26Z", "ms": -1474363654206.038 }, "end": { "local": "1923-04-13T19:26:19+03:26", "utc": "1923-04-13T16:00:19Z", "ms": -1474358380856.3777 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:15 on Fri 13 Apr to 04:41 on Sat 14 Apr.", "fact": "1923-04-12T22:49:31Z → 1923-04-14T01:16:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:25 on the 12th, 17:57–19:25 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 88 minutes on the 12th and 88 of 88 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 24585 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1923: Friday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-13", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1923 falls on Friday 13 April. Trayodaśī runs from 02:15 on Fri 13 Apr to 04:41 on Sat 14 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/shivaratri?on=1923-04-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17421, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-04-14T04:42:22+03:26", "utc": "1923-04-14T01:16:22Z", "ms": -1474325018266.6045 }, "end": { "local": "1923-04-15T07:17:44+03:26", "utc": "1923-04-15T03:51:44Z", "ms": -1474229296107.6304 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-14T04:42:22+03:26", "utc": "1923-04-14T01:16:22Z", "ms": -1474325018266.6045 }, "end": { "local": "1923-04-15T07:17:44+03:26", "utc": "1923-04-15T03:51:44Z", "ms": -1474229296107.6304 } }, "kaala": "nishita", "days": [ { "local_date": "1923-04-13", "window": { "start": { "local": "1923-04-13T23:04:01+03:26", "utc": "1923-04-13T19:38:01Z", "ms": -1474345319144.812 }, "end": { "local": "1923-04-13T23:52:01+03:26", "utc": "1923-04-13T20:26:01Z", "ms": -1474342439144.812 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-04-14", "window": { "start": { "local": "1923-04-14T23:03:46+03:26", "utc": "1923-04-14T19:37:46Z", "ms": -1474258934361.9578 }, "end": { "local": "1923-04-14T23:51:46+03:26", "utc": "1923-04-14T20:25:46Z", "ms": -1474256054361.9578 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:41 on Sat 14 Apr to 07:17 on Sun 15 Apr.", "fact": "1923-04-14T01:16:22Z → 1923-04-15T03:51:44Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:03–23:51 on the 13th, 23:03–23:51 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 17421 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1923: Saturday 14 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": "1923-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-14", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1923 falls on Saturday 14 April. Caturdaśī runs from 04:41 on Sat 14 Apr to 07:17 on Sun 15 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1923/shivaratri?on=1923-04-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4249, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1923-04-18T14:47:02+03:26", "utc": "1923-04-18T11:21:02Z", "ms": -1473943137816.2947 }, "end": { "local": "1923-04-19T16:52:44+03:26", "utc": "1923-04-19T13:26:44Z", "ms": -1473849195799.9553 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-18T14:47:02+03:26", "utc": "1923-04-18T11:21:02Z", "ms": -1473943137816.2947 }, "end": { "local": "1923-04-19T16:52:44+03:26", "utc": "1923-04-19T13:26:44Z", "ms": -1473849195799.9553 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-04-18", "window": { "start": { "local": "1923-04-18T18:02:42+03:26", "utc": "1923-04-18T14:36:42Z", "ms": -1473931398485.0576 }, "end": { "local": "1923-04-18T19:29:07+03:26", "utc": "1923-04-18T16:03:07Z", "ms": -1473926212685.0227 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "1923-04-19", "window": { "start": { "local": "1923-04-19T18:03:33+03:26", "utc": "1923-04-19T14:37:33Z", "ms": -1473844947189.7373 }, "end": { "local": "1923-04-19T19:29:41+03:26", "utc": "1923-04-19T16:03:41Z", "ms": -1473839778644.336 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:46 on Wed 18 Apr to 16:52 on Thu 19 Apr.", "fact": "1923-04-18T11:21:02Z → 1923-04-19T13:26:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:28 on the 18th, 18:03–19:29 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 86 of 86 minutes on the 18th and 0 of 86 on the 19th.", "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 4249 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Mashhad, 1923: Wednesday 18 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": "1923-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-18", "confidence": "determinate" } ], "quote": "In Mashhad, Paraśurāma Jayantī 1923 falls on Wednesday 18 April. Tṛtīyā runs from 14:46 on Wed 18 Apr to 16:52 on Thu 19 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19879, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1923-04-18T14:47:02+03:26", "utc": "1923-04-18T11:21:02Z", "ms": -1473943137816.2947 }, "end": { "local": "1923-04-19T16:52:44+03:26", "utc": "1923-04-19T13:26:44Z", "ms": -1473849195799.9553 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-18T14:47:02+03:26", "utc": "1923-04-18T11:21:02Z", "ms": -1473943137816.2947 }, "end": { "local": "1923-04-19T16:52:44+03:26", "utc": "1923-04-19T13:26:44Z", "ms": -1473849195799.9553 } }, "kaala": "purvahna", "days": [ { "local_date": "1923-04-18", "window": { "start": { "local": "1923-04-18T04:52:14+03:26", "utc": "1923-04-18T01:26:14Z", "ms": -1473978826146.1724 }, "end": { "local": "1923-04-18T09:15:43+03:26", "utc": "1923-04-18T05:49:43Z", "ms": -1473963016925.8008 } }, "covered_min": 0, "window_min": 263, "qualifies": false }, { "local_date": "1923-04-19", "window": { "start": { "local": "1923-04-19T04:50:55+03:26", "utc": "1923-04-19T01:24:55Z", "ms": -1473892504984.7964 }, "end": { "local": "1923-04-19T09:15:08+03:26", "utc": "1923-04-19T05:49:08Z", "ms": -1473876652386.4434 } }, "covered_min": 264, "window_min": 264, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:46 on Wed 18 Apr to 16:52 on Thu 19 Apr.", "fact": "1923-04-18T11:21:02Z → 1923-04-19T13:26:44Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 04:51–09:15 on the 18th, 04:50–09:14 on the 19th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 263 minutes on the 18th and 264 of 264 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19879 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Mashhad, 1923: Thursday 19 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": "1923-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-19", "confidence": "determinate" } ], "quote": "In Mashhad, Akṣaya Tṛtīyā 1923 falls on Thursday 19 April. Tṛtīyā runs from 14:46 on Wed 18 Apr to 16:52 on Thu 19 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-04-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18090, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-04-19T16:52:44+03:26", "utc": "1923-04-19T13:26:44Z", "ms": -1473849195799.9553 }, "end": { "local": "1923-04-20T18:37:46+03:26", "utc": "1923-04-20T15:11:46Z", "ms": -1473756493578.5383 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-19T16:52:44+03:26", "utc": "1923-04-19T13:26:44Z", "ms": -1473849195799.9553 }, "end": { "local": "1923-04-20T18:37:46+03:26", "utc": "1923-04-20T15:11:46Z", "ms": -1473756493578.5383 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-04-19", "window": { "start": { "local": "1923-04-19T11:03:14+03:26", "utc": "1923-04-19T07:37:14Z", "ms": -1473870166087.2668 }, "end": { "local": "1923-04-19T11:51:14+03:26", "utc": "1923-04-19T08:25:14Z", "ms": -1473867286087.2668 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-04-20", "window": { "start": { "local": "1923-04-20T11:03:01+03:26", "utc": "1923-04-20T07:37:01Z", "ms": -1473783779476.1943 }, "end": { "local": "1923-04-20T11:51:01+03:26", "utc": "1923-04-20T08:25:01Z", "ms": -1473780899476.1943 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:52 on Thu 19 Apr to 18:37 on Fri 20 Apr.", "fact": "1923-04-19T13:26:44Z → 1923-04-20T15:11:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 19th, 11:02–11:50 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 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 18090 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1923: Friday 20 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": "1923-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-20", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1923 falls on Friday 20 April. Caturthī runs from 16:52 on Thu 19 Apr to 18:37 on Fri 20 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24406, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1923-04-20T18:37:46+03:26", "utc": "1923-04-20T15:11:46Z", "ms": -1473756493578.5383 }, "end": { "local": "1923-04-21T19:56:44+03:26", "utc": "1923-04-21T16:30:44Z", "ms": -1473665356056.4763 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-20T18:37:46+03:26", "utc": "1923-04-20T15:11:46Z", "ms": -1473756493578.5383 }, "end": { "local": "1923-04-21T19:56:44+03:26", "utc": "1923-04-21T16:30:44Z", "ms": -1473665356056.4763 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-04-20", "window": { "start": { "local": "1923-04-20T11:03:01+03:26", "utc": "1923-04-20T07:37:01Z", "ms": -1473783779476.1943 }, "end": { "local": "1923-04-20T11:51:01+03:26", "utc": "1923-04-20T08:25:01Z", "ms": -1473780899476.1943 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-04-21", "window": { "start": { "local": "1923-04-21T11:02:48+03:26", "utc": "1923-04-21T07:36:48Z", "ms": -1473697392471.5947 }, "end": { "local": "1923-04-21T11:50:48+03:26", "utc": "1923-04-21T08:24:48Z", "ms": -1473694512471.5947 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:37 on Fri 20 Apr to 19:56 on Sat 21 Apr.", "fact": "1923-04-20T15:11:46Z → 1923-04-21T16:30:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 20th, 11:02–11:50 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 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24406 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Mashhad, 1923: Saturday 21 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": "1923-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-21", "confidence": "determinate" } ], "quote": "In Mashhad, Śaṅkara Jayantī 1923 falls on Saturday 21 April. Pañcamī runs from 18:37 on Fri 20 Apr to 19:56 on Sat 21 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32017, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1923-04-22T20:44:12+03:26", "utc": "1923-04-22T17:18:12Z", "ms": -1473576107656.6519 }, "end": { "local": "1923-04-23T20:55:21+03:26", "utc": "1923-04-23T17:29:21Z", "ms": -1473489039081.8838 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-22T20:44:12+03:26", "utc": "1923-04-22T17:18:12Z", "ms": -1473576107656.6519 }, "end": { "local": "1923-04-23T20:55:21+03:26", "utc": "1923-04-23T17:29:21Z", "ms": -1473489039081.8838 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-04-22", "window": { "start": { "local": "1923-04-22T11:02:35+03:26", "utc": "1923-04-22T07:36:35Z", "ms": -1473611005062.8257 }, "end": { "local": "1923-04-22T11:50:35+03:26", "utc": "1923-04-22T08:24:35Z", "ms": -1473608125062.8257 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-04-23", "window": { "start": { "local": "1923-04-23T11:02:23+03:26", "utc": "1923-04-23T07:36:23Z", "ms": -1473524617239.3145 }, "end": { "local": "1923-04-23T11:50:23+03:26", "utc": "1923-04-23T08:24:23Z", "ms": -1473521737239.3145 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:43 on Sun 22 Apr to 20:54 on Mon 23 Apr.", "fact": "1923-04-22T17:18:12Z → 1923-04-23T17:29:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 22nd, 11:01–11:49 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32017 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Mashhad, 1923: Monday 23 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": "1923-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-23", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṅgotpatti (Ganga Saptami) 1923 falls on Monday 23 April. Saptamī runs from 20:43 on Sun 22 Apr to 20:54 on Mon 23 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-04-27", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36912, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-04-26T17:25:04+03:26", "utc": "1923-04-26T13:59:04Z", "ms": -1473242456421.761 }, "end": { "local": "1923-04-27T14:56:05+03:26", "utc": "1923-04-27T11:30:05Z", "ms": -1473164995450.6868 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-26T17:25:04+03:26", "utc": "1923-04-26T13:59:04Z", "ms": -1473242456421.761 }, "end": { "local": "1923-04-27T14:56:05+03:26", "utc": "1923-04-27T11:30:05Z", "ms": -1473164995450.6868 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-04-26", "window": { "start": { "local": "1923-04-26T04:42:05+03:26", "utc": "1923-04-26T01:16:05Z", "ms": -1473288235044.64 }, "end": { "local": "1923-04-26T04:42:05+03:26", "utc": "1923-04-26T01:16:05Z", "ms": -1473288235044.64 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-04-27", "window": { "start": { "local": "1923-04-27T04:40:53+03:26", "utc": "1923-04-27T01:14:53Z", "ms": -1473201907314.0017 }, "end": { "local": "1923-04-27T04:40:53+03:26", "utc": "1923-04-27T01:14:53Z", "ms": -1473201907314.0017 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:24 on Thu 26 Apr to 14:55 on Fri 27 Apr.", "fact": "1923-04-26T13:59:04Z → 1923-04-27T11:30:05Z" }, { "step": "kaala", "text": "Sunrise is at 04:41 on the 26th and 04:40 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 36912 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Mashhad, 1923: Friday 27 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-27", "confidence": "determinate" } ], "quote": "In Mashhad, Mohinī Ekādaśī 1923 falls on Friday 27 April. Ekādaśī runs from 17:24 on Thu 26 Apr to 14:55 on Fri 27 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 313, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1923-04-27T14:56:05+03:26", "utc": "1923-04-27T11:30:05Z", "ms": -1473164995450.6868 }, "end": { "local": "1923-04-28T11:54:41+03:26", "utc": "1923-04-28T08:28:41Z", "ms": -1473089478952.03 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-27T14:56:05+03:26", "utc": "1923-04-27T11:30:05Z", "ms": -1473164995450.6868 }, "end": { "local": "1923-04-28T11:54:41+03:26", "utc": "1923-04-28T08:28:41Z", "ms": -1473089478952.03 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-04-27", "window": { "start": { "local": "1923-04-27T11:01:38+03:26", "utc": "1923-04-27T07:35:38Z", "ms": -1473179061580.9536 }, "end": { "local": "1923-04-27T11:49:38+03:26", "utc": "1923-04-27T08:23:38Z", "ms": -1473176181580.9536 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-04-28", "window": { "start": { "local": "1923-04-28T11:01:28+03:26", "utc": "1923-04-28T07:35:28Z", "ms": -1473092671517.0984 }, "end": { "local": "1923-04-28T11:49:28+03:26", "utc": "1923-04-28T08:23:28Z", "ms": -1473089791517.0984 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 14:55 on Fri 27 Apr to 11:54 on Sat 28 Apr.", "fact": "1923-04-27T11:30:05Z → 1923-04-28T08:28:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 27th, 11:00–11:48 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 313 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Mashhad, 1923: Saturday 28 April.", "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": "1923-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-28", "confidence": "determinate" } ], "quote": "In Mashhad, Paraśurāma Dvādaśī 1923 falls on Saturday 28 April. Dvādaśī runs from 14:55 on Fri 27 Apr to 11:54 on Sat 28 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 313, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1923-04-27T14:56:05+03:26", "utc": "1923-04-27T11:30:05Z", "ms": -1473164995450.6868 }, "end": { "local": "1923-04-28T11:54:41+03:26", "utc": "1923-04-28T08:28:41Z", "ms": -1473089478952.03 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-27T14:56:05+03:26", "utc": "1923-04-27T11:30:05Z", "ms": -1473164995450.6868 }, "end": { "local": "1923-04-28T11:54:41+03:26", "utc": "1923-04-28T08:28:41Z", "ms": -1473089478952.03 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-04-27", "window": { "start": { "local": "1923-04-27T11:01:38+03:26", "utc": "1923-04-27T07:35:38Z", "ms": -1473179061580.9536 }, "end": { "local": "1923-04-27T11:49:38+03:26", "utc": "1923-04-27T08:23:38Z", "ms": -1473176181580.9536 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-04-28", "window": { "start": { "local": "1923-04-28T11:01:28+03:26", "utc": "1923-04-28T07:35:28Z", "ms": -1473092671517.0984 }, "end": { "local": "1923-04-28T11:49:28+03:26", "utc": "1923-04-28T08:23:28Z", "ms": -1473089791517.0984 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 14:55 on Fri 27 Apr to 11:54 on Sat 28 Apr.", "fact": "1923-04-27T11:30:05Z → 1923-04-28T08:28:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 27th, 11:00–11:48 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 313 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Mashhad, 1923: Saturday 28 April.", "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": "1923-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-28", "confidence": "determinate" } ], "quote": "In Mashhad, Rukmiṇī Dvādaśī 1923 falls on Saturday 28 April. Dvādaśī runs from 14:55 on Fri 27 Apr to 11:54 on Sat 28 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/pradosha-vrata?on=1923-04-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22595, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-04-28T11:54:41+03:26", "utc": "1923-04-28T08:28:41Z", "ms": -1473089478952.03 }, "end": { "local": "1923-04-29T08:28:11+03:26", "utc": "1923-04-29T05:02:11Z", "ms": -1473015469464.5664 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-28T11:54:41+03:26", "utc": "1923-04-28T08:28:41Z", "ms": -1473089478952.03 }, "end": { "local": "1923-04-29T08:28:11+03:26", "utc": "1923-04-29T05:02:11Z", "ms": -1473015469464.5664 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-04-28", "window": { "start": { "local": "1923-04-28T18:11:16+03:26", "utc": "1923-04-28T14:45:16Z", "ms": -1473066884402.9417 }, "end": { "local": "1923-04-28T19:34:54+03:26", "utc": "1923-04-28T16:08:54Z", "ms": -1473061866344.5696 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1923-04-29", "window": { "start": { "local": "1923-04-29T18:12:07+03:26", "utc": "1923-04-29T14:46:07Z", "ms": -1472980432970.5872 }, "end": { "local": "1923-04-29T19:35:29+03:26", "utc": "1923-04-29T16:09:29Z", "ms": -1472975431012.3691 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:54 on Sat 28 Apr to 08:27 on Sun 29 Apr.", "fact": "1923-04-28T08:28:41Z → 1923-04-29T05:02:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:34 on the 28th, 18:11–19:34 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 84 of 84 minutes on the 28th and 0 of 83 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22595 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1923: Saturday 28 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": "1923-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-28", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1923 falls on Saturday 28 April. Trayodaśī runs from 11:54 on Sat 28 Apr to 08:27 on Sun 29 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-04-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32992, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-04-29T08:28:11+03:26", "utc": "1923-04-29T05:02:11Z", "ms": -1473015469464.5664 }, "end": { "local": "1923-04-30T04:45:21+03:26", "utc": "1923-04-30T01:19:21Z", "ms": -1472942438936.2969 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-29T08:28:11+03:26", "utc": "1923-04-29T05:02:11Z", "ms": -1473015469464.5664 }, "end": { "local": "1923-04-30T04:45:21+03:26", "utc": "1923-04-30T01:19:21Z", "ms": -1472942438936.2969 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-04-28", "window": { "start": { "local": "1923-04-28T18:11:16+03:26", "utc": "1923-04-28T14:45:16Z", "ms": -1473066884402.9417 }, "end": { "local": "1923-04-28T19:34:54+03:26", "utc": "1923-04-28T16:08:54Z", "ms": -1473061866344.5696 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "1923-04-29", "window": { "start": { "local": "1923-04-29T18:12:07+03:26", "utc": "1923-04-29T14:46:07Z", "ms": -1472980432970.5872 }, "end": { "local": "1923-04-29T19:35:29+03:26", "utc": "1923-04-29T16:09:29Z", "ms": -1472975431012.3691 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:27 on Sun 29 Apr to 04:44 on Mon 30 Apr.", "fact": "1923-04-29T05:02:11Z → 1923-04-30T01:19:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:34 on the 28th, 18:11–19:34 on the 29th.", "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 28th and 83 of 83 on the 29th.", "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 32992 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Mashhad, 1923: Sunday 29 April.", "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": "1923-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-29", "confidence": "determinate" } ], "quote": "In Mashhad, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1923 falls on Sunday 29 April. Caturdaśī runs from 08:27 on Sun 29 Apr to 04:44 on Mon 30 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22549, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-04-30T04:45:21+03:26", "utc": "1923-04-30T01:19:21Z", "ms": -1472942438936.2969 }, "end": { "local": "1923-05-01T00:56:06+03:26", "utc": "1923-04-30T21:30:06Z", "ms": -1472869793564.8823 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-30T04:45:21+03:26", "utc": "1923-04-30T01:19:21Z", "ms": -1472942438936.2969 }, "end": { "local": "1923-05-01T00:56:06+03:26", "utc": "1923-04-30T21:30:06Z", "ms": -1472869793564.8823 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-04-30", "window": { "start": { "local": "1923-04-30T11:01:10+03:26", "utc": "1923-04-30T07:35:10Z", "ms": -1472919889919.4 }, "end": { "local": "1923-04-30T11:49:10+03:26", "utc": "1923-04-30T08:23:10Z", "ms": -1472917009919.4 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-05-01", "window": { "start": { "local": "1923-05-01T11:01:02+03:26", "utc": "1923-05-01T07:35:02Z", "ms": -1472833498357.8193 }, "end": { "local": "1923-05-01T11:49:02+03:26", "utc": "1923-05-01T08:23:02Z", "ms": -1472830618357.8193 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:44 on Mon 30 Apr to 00:55 on Tue 1 May.", "fact": "1923-04-30T01:19:21Z → 1923-04-30T21:30:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 30th, 11:00–11:48 on the 1st.", "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 30th and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22549 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Mashhad, 1923: Monday 30 April.", "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": "1923-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-30", "confidence": "determinate" } ], "quote": "In Mashhad, Buddha Pūrṇimā 1923 falls on Monday 30 April. Pūrṇimā runs from 04:44 on Mon 30 Apr to 00:55 on Tue 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22549, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-04-30T04:45:21+03:26", "utc": "1923-04-30T01:19:21Z", "ms": -1472942438936.2969 }, "end": { "local": "1923-05-01T00:56:06+03:26", "utc": "1923-04-30T21:30:06Z", "ms": -1472869793564.8823 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1923-04-30T04:45:21+03:26", "utc": "1923-04-30T01:19:21Z", "ms": -1472942438936.2969 }, "end": { "local": "1923-05-01T00:56:06+03:26", "utc": "1923-04-30T21:30:06Z", "ms": -1472869793564.8823 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-04-30", "window": { "start": { "local": "1923-04-30T11:01:10+03:26", "utc": "1923-04-30T07:35:10Z", "ms": -1472919889919.4 }, "end": { "local": "1923-04-30T11:49:10+03:26", "utc": "1923-04-30T08:23:10Z", "ms": -1472917009919.4 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-05-01", "window": { "start": { "local": "1923-05-01T11:01:02+03:26", "utc": "1923-05-01T07:35:02Z", "ms": -1472833498357.8193 }, "end": { "local": "1923-05-01T11:49:02+03:26", "utc": "1923-05-01T08:23:02Z", "ms": -1472830618357.8193 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:44 on Mon 30 Apr to 00:55 on Tue 1 May.", "fact": "1923-04-30T01:19:21Z → 1923-04-30T21:30:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 30th, 11:00–11:48 on the 1st.", "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 30th and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22549 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Mashhad, 1923: Monday 30 April.", "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": "1923-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-04-30", "confidence": "determinate" } ], "quote": "In Mashhad, Sampat Gaurī Vrata 1923 falls on Monday 30 April. Pūrṇimā runs from 04:44 on Mon 30 Apr to 00:55 on Tue 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/sankashta-chaturthi?on=1923-05-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23568, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-05-03T14:36:46+03:26", "utc": "1923-05-03T11:10:46Z", "ms": -1472647753732.7764 }, "end": { "local": "1923-05-04T12:08:11+03:26", "utc": "1923-05-04T08:42:11Z", "ms": -1472570269199.0706 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-05-03T14:36:46+03:26", "utc": "1923-05-03T11:10:46Z", "ms": -1472647753732.7764 }, "end": { "local": "1923-05-04T12:08:11+03:26", "utc": "1923-05-04T08:42:11Z", "ms": -1472570269199.0706 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-05-03", "window": { "start": { "local": "1923-05-03T21:09:34+03:26", "utc": "1923-05-03T17:43:34Z", "ms": -1472624185692.199 }, "end": { "local": "1923-05-03T21:09:34+03:26", "utc": "1923-05-03T17:43:34Z", "ms": -1472624185692.199 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-05-04", "window": { "start": { "local": "1923-05-04T22:08:23+03:26", "utc": "1923-05-04T18:42:23Z", "ms": -1472534257289.5454 }, "end": { "local": "1923-05-04T22:08:23+03:26", "utc": "1923-05-04T18:42:23Z", "ms": -1472534257289.5454 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:36 on Thu 3 May to 12:07 on Fri 4 May.", "fact": "1923-05-03T11:10:46Z → 1923-05-04T08:42:11Z" }, { "step": "kaala", "text": "Moonrise is at 21:09 on the 3rd and 22:07 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23568 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1923: Thursday 3 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": "1923-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-05-03", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1923 falls on Thursday 3 May. Caturthī runs from 14:36 on Thu 3 May to 12:07 on Fri 4 May and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/sankashta-chaturthi?on=1923-05-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/ekadashi?on=1923-05-11", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33844, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-05-10T13:50:56+03:26", "utc": "1923-05-10T10:24:56Z", "ms": -1472045704450.7532 }, "end": { "local": "1923-05-11T16:18:14+03:26", "utc": "1923-05-11T12:52:14Z", "ms": -1471950466073.4614 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-05-10T13:50:56+03:26", "utc": "1923-05-10T10:24:56Z", "ms": -1472045704450.7532 }, "end": { "local": "1923-05-11T16:18:14+03:26", "utc": "1923-05-11T12:52:14Z", "ms": -1471950466073.4614 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-05-10", "window": { "start": { "local": "1923-05-10T04:26:51+03:26", "utc": "1923-05-10T01:00:51Z", "ms": -1472079548774.9167 }, "end": { "local": "1923-05-10T04:26:51+03:26", "utc": "1923-05-10T01:00:51Z", "ms": -1472079548774.9167 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-05-11", "window": { "start": { "local": "1923-05-11T04:25:55+03:26", "utc": "1923-05-11T00:59:55Z", "ms": -1471993204920.6301 }, "end": { "local": "1923-05-11T04:25:55+03:26", "utc": "1923-05-11T00:59:55Z", "ms": -1471993204920.6301 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:50 on Thu 10 May to 16:17 on Fri 11 May.", "fact": "1923-05-10T10:24:56Z → 1923-05-11T12:52:14Z" }, { "step": "kaala", "text": "Sunrise is at 04:26 on the 10th and 04:25 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33844 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Mashhad, 1923: Friday 11 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-05-11", "confidence": "determinate" } ], "quote": "In Mashhad, Aparā Ekādaśī 1923 falls on Friday 11 May. Ekādaśī runs from 13:50 on Thu 10 May to 16:17 on Fri 11 May and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-05-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pradosha-vrata?on=1923-05-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-05-13", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1903, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-05-12T18:54:54+03:26", "utc": "1923-05-12T15:28:54Z", "ms": -1471854666216.5276 }, "end": { "local": "1923-05-13T21:29:58+03:26", "utc": "1923-05-13T18:03:58Z", "ms": -1471758962319.4456 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-05-12T18:54:54+03:26", "utc": "1923-05-12T15:28:54Z", "ms": -1471854666216.5276 }, "end": { "local": "1923-05-13T21:29:58+03:26", "utc": "1923-05-13T18:03:58Z", "ms": -1471758962319.4456 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-05-12", "window": { "start": { "local": "1923-05-12T18:23:11+03:26", "utc": "1923-05-12T14:57:11Z", "ms": -1471856569361.72 }, "end": { "local": "1923-05-12T19:43:18+03:26", "utc": "1923-05-12T16:17:18Z", "ms": -1471851761862.2979 } }, "covered_min": 48, "window_min": 80, "qualifies": true }, { "local_date": "1923-05-13", "window": { "start": { "local": "1923-05-13T18:24:01+03:26", "utc": "1923-05-13T14:58:01Z", "ms": -1471770119272.5747 }, "end": { "local": "1923-05-13T19:43:55+03:26", "utc": "1923-05-13T16:17:55Z", "ms": -1471765325385.7288 } }, "covered_min": 80, "window_min": 80, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:54 on Sat 12 May to 21:29 on Sun 13 May.", "fact": "1923-05-12T15:28:54Z → 1923-05-13T18:03:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–19:42 on the 12th, 18:23–19:43 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 48 of 80 minutes on the 12th and 80 of 80 on the 13th.", "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 1903 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1923: Sunday 13 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": "1923-05-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-05-13", "confidence": "boundary" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1923 falls on Sunday 13 May. Trayodaśī runs from 18:54 on Sat 12 May to 21:29 on Sun 13 May and covers all of pradoṣa that evening. It also reaches the previous evening for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/shivaratri?on=1923-05-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-05-13", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 441, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-05-13T21:29:58+03:26", "utc": "1923-05-13T18:03:58Z", "ms": -1471758962319.4456 }, "end": { "local": "1923-05-14T23:54:59+03:26", "utc": "1923-05-14T20:28:59Z", "ms": -1471663861306.3667 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-05-13T21:29:58+03:26", "utc": "1923-05-13T18:03:58Z", "ms": -1471758962319.4456 }, "end": { "local": "1923-05-14T23:54:59+03:26", "utc": "1923-05-14T20:28:59Z", "ms": -1471663861306.3667 } }, "kaala": "nishita", "days": [ { "local_date": "1923-05-13", "window": { "start": { "local": "1923-05-13T22:59:38+03:26", "utc": "1923-05-13T19:33:38Z", "ms": -1471753582196.902 }, "end": { "local": "1923-05-13T23:47:38+03:26", "utc": "1923-05-13T20:21:38Z", "ms": -1471750702196.902 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-05-14", "window": { "start": { "local": "1923-05-14T22:59:37+03:26", "utc": "1923-05-14T19:33:37Z", "ms": -1471667182570.718 }, "end": { "local": "1923-05-14T23:47:37+03:26", "utc": "1923-05-14T20:21:37Z", "ms": -1471664302570.718 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:29 on Sun 13 May to 23:54 on Mon 14 May.", "fact": "1923-05-13T18:03:58Z → 1923-05-14T20:28:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:59–23:47 on the 13th, 22:59–23:47 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 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 441 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1923: Sunday 13 May.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-05-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-05-13", "confidence": "boundary" } ], "quote": "In Mashhad, Śivarātri 1923 falls on Sunday 13 May. Caturdaśī runs from 21:29 on Sun 13 May to 23:54 on Mon 14 May and covers all of niśītha that night. It also reaches the next night for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/1923/shivaratri?on=1923-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-05-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13808, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-05-19T06:28:38+03:26", "utc": "1923-05-19T03:02:38Z", "ms": -1471294642109.2705 }, "end": { "local": "1923-05-20T07:10:00+03:26", "utc": "1923-05-20T03:44:00Z", "ms": -1471205760263.7913 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-05-19T06:28:38+03:26", "utc": "1923-05-19T03:02:38Z", "ms": -1471294642109.2705 }, "end": { "local": "1923-05-20T07:10:00+03:26", "utc": "1923-05-20T03:44:00Z", "ms": -1471205760263.7913 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-05-19", "window": { "start": { "local": "1923-05-19T11:00:06+03:26", "utc": "1923-05-19T07:34:06Z", "ms": -1471278354287.5842 }, "end": { "local": "1923-05-19T11:48:06+03:26", "utc": "1923-05-19T08:22:06Z", "ms": -1471275474287.5842 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-05-20", "window": { "start": { "local": "1923-05-20T11:00:08+03:26", "utc": "1923-05-20T07:34:08Z", "ms": -1471191952055.3635 }, "end": { "local": "1923-05-20T11:48:08+03:26", "utc": "1923-05-20T08:22:08Z", "ms": -1471189072055.3635 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:28 on Sat 19 May to 07:09 on Sun 20 May.", "fact": "1923-05-19T03:02:38Z → 1923-05-20T03:44:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 19th, 10:59–11:47 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 13808 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1923: Saturday 19 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": "1923-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-05-19", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1923 falls on Saturday 19 May. Caturthī runs from 06:28 on Sat 19 May to 07:09 on Sun 20 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-05-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/ekadashi?on=1923-05-26", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12000, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-05-26T00:54:47+03:26", "utc": "1923-05-25T21:28:47Z", "ms": -1470709872557.1782 }, "end": { "local": "1923-05-26T22:05:15+03:26", "utc": "1923-05-26T18:39:15Z", "ms": -1470633645281.4722 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-05-26T00:54:47+03:26", "utc": "1923-05-25T21:28:47Z", "ms": -1470709872557.1782 }, "end": { "local": "1923-05-26T22:05:15+03:26", "utc": "1923-05-26T18:39:15Z", "ms": -1470633645281.4722 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-05-26", "window": { "start": { "local": "1923-05-26T04:14:47+03:26", "utc": "1923-05-26T00:48:47Z", "ms": -1470697872839.8901 }, "end": { "local": "1923-05-26T04:14:47+03:26", "utc": "1923-05-26T00:48:47Z", "ms": -1470697872839.8901 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-05-27", "window": { "start": { "local": "1923-05-27T04:14:15+03:26", "utc": "1923-05-27T00:48:15Z", "ms": -1470611504931.464 }, "end": { "local": "1923-05-27T04:14:15+03:26", "utc": "1923-05-27T00:48:15Z", "ms": -1470611504931.464 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:54 on Sat 26 May to 22:04 on Sat 26 May.", "fact": "1923-05-25T21:28:47Z → 1923-05-26T18:39:15Z" }, { "step": "kaala", "text": "Sunrise is at 04:14 on the 26th and 04:13 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12000 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Mashhad, 1923: Saturday 26 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": "1923-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-05-26", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Ekādaśī 1923 falls on Saturday 26 May. Ekādaśī runs from 00:54 on Sat 26 May to 22:04 on Sat 26 May and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pradosha-vrata?on=1923-05-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1142, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-05-27T18:54:03+03:26", "utc": "1923-05-27T15:28:03Z", "ms": -1470558717486.28 }, "end": { "local": "1923-05-28T15:28:46+03:26", "utc": "1923-05-28T12:02:46Z", "ms": -1470484634130.1335 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-05-27T18:54:03+03:26", "utc": "1923-05-27T15:28:03Z", "ms": -1470558717486.28 }, "end": { "local": "1923-05-28T15:28:46+03:26", "utc": "1923-05-28T12:02:46Z", "ms": -1470484634130.1335 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-05-27", "window": { "start": { "local": "1923-05-27T18:35:00+03:26", "utc": "1923-05-27T15:09:00Z", "ms": -1470559859624.7336 }, "end": { "local": "1923-05-27T19:52:10+03:26", "utc": "1923-05-27T16:26:10Z", "ms": -1470555229724.826 } }, "covered_min": 58, "window_min": 77, "qualifies": true }, { "local_date": "1923-05-28", "window": { "start": { "local": "1923-05-28T18:35:43+03:26", "utc": "1923-05-28T15:09:43Z", "ms": -1470473416847.1348 }, "end": { "local": "1923-05-28T19:52:44+03:26", "utc": "1923-05-28T16:26:44Z", "ms": -1470468796488.3826 } }, "covered_min": 0, "window_min": 77, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:53 on Sun 27 May to 15:28 on Mon 28 May.", "fact": "1923-05-27T15:28:03Z → 1923-05-28T12:02:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–19:51 on the 27th, 18:35–19:52 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 58 of 77 minutes on the 27th and 0 of 77 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1142 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1923: Sunday 27 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": "1923-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-05-27", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1923 falls on Sunday 27 May. Trayodaśī runs from 18:53 on Sun 27 May to 15:28 on Mon 28 May and covers 58 of 77 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-05-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/sankashta-chaturthi?on=1923-06-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5261, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-06-02T00:31:07+03:26", "utc": "1923-06-01T21:05:07Z", "ms": -1470106492925.2534 }, "end": { "local": "1923-06-02T23:07:08+03:26", "utc": "1923-06-02T19:41:08Z", "ms": -1470025131817.9622 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-06-02T00:31:07+03:26", "utc": "1923-06-01T21:05:07Z", "ms": -1470106492925.2534 }, "end": { "local": "1923-06-02T23:07:08+03:26", "utc": "1923-06-02T19:41:08Z", "ms": -1470025131817.9622 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-06-01", "window": { "start": { "local": "1923-06-01T20:49:07+03:26", "utc": "1923-06-01T17:23:07Z", "ms": -1470119813100.1736 }, "end": { "local": "1923-06-01T20:49:07+03:26", "utc": "1923-06-01T17:23:07Z", "ms": -1470119813100.1736 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-06-02", "window": { "start": { "local": "1923-06-02T21:39:27+03:26", "utc": "1923-06-02T18:13:27Z", "ms": -1470030392589.8423 }, "end": { "local": "1923-06-02T21:39:27+03:26", "utc": "1923-06-02T18:13:27Z", "ms": -1470030392589.8423 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:30 on Sat 2 Jun to 23:06 on Sat 2 Jun.", "fact": "1923-06-01T21:05:07Z → 1923-06-02T19:41:08Z" }, { "step": "kaala", "text": "Moonrise is at 20:48 on the 1st and 21:38 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 5261 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1923: Saturday 2 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": "1923-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-06-02", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1923 falls on Saturday 2 June. Caturthī runs from 00:30 on Sat 2 Jun to 23:06 on Sat 2 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/sankashta-chaturthi?on=1923-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/ekadashi?on=1923-06-10", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8396, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-06-09T06:29:48+03:26", "utc": "1923-06-09T03:03:48Z", "ms": -1469480171851.6782 }, "end": { "local": "1923-06-10T09:01:36+03:26", "utc": "1923-06-10T05:35:36Z", "ms": -1469384664454.4758 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-06-09T06:29:48+03:26", "utc": "1923-06-09T03:03:48Z", "ms": -1469480171851.6782 }, "end": { "local": "1923-06-10T09:01:36+03:26", "utc": "1923-06-10T05:35:36Z", "ms": -1469384664454.4758 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-06-09", "window": { "start": { "local": "1923-06-09T04:09:52+03:26", "utc": "1923-06-09T00:43:52Z", "ms": -1469488567744.401 }, "end": { "local": "1923-06-09T04:09:52+03:26", "utc": "1923-06-09T00:43:52Z", "ms": -1469488567744.401 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-06-10", "window": { "start": { "local": "1923-06-10T04:09:44+03:26", "utc": "1923-06-10T00:43:44Z", "ms": -1469402175849.6438 }, "end": { "local": "1923-06-10T04:09:44+03:26", "utc": "1923-06-10T00:43:44Z", "ms": -1469402175849.6438 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:29 on Sat 9 Jun to 09:01 on Sun 10 Jun.", "fact": "1923-06-09T03:03:48Z → 1923-06-10T05:35:36Z" }, { "step": "kaala", "text": "Sunrise is at 04:09 on the 9th and 04:09 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 8396 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Mashhad, 1923: Sunday 10 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": "1923-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-06-10", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Ekādaśī 1923 falls on Sunday 10 June. Ekādaśī runs from 06:29 on Sat 9 Jun to 09:01 on Sun 10 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-06-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pradosha-vrata?on=1923-06-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19308, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-06-11T11:22:08+03:26", "utc": "1923-06-11T07:56:08Z", "ms": -1469289831846.4387 }, "end": { "local": "1923-06-12T13:22:48+03:26", "utc": "1923-06-12T09:56:48Z", "ms": -1469196192080.3296 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-06-11T11:22:08+03:26", "utc": "1923-06-11T07:56:08Z", "ms": -1469289831846.4387 }, "end": { "local": "1923-06-12T13:22:48+03:26", "utc": "1923-06-12T09:56:48Z", "ms": -1469196192080.3296 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-06-11", "window": { "start": { "local": "1923-06-11T18:44:08+03:26", "utc": "1923-06-11T15:18:08Z", "ms": -1469263312174.5479 }, "end": { "local": "1923-06-11T19:59:31+03:26", "utc": "1923-06-11T16:33:31Z", "ms": -1469258788804.3955 } }, "covered_min": 75, "window_min": 75, "qualifies": true }, { "local_date": "1923-06-12", "window": { "start": { "local": "1923-06-12T18:44:36+03:26", "utc": "1923-06-12T15:18:36Z", "ms": -1469176884275.4583 }, "end": { "local": "1923-06-12T19:59:55+03:26", "utc": "1923-06-12T16:33:55Z", "ms": -1469172365020.4487 } }, "covered_min": 0, "window_min": 75, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:21 on Mon 11 Jun to 13:22 on Tue 12 Jun.", "fact": "1923-06-11T07:56:08Z → 1923-06-12T09:56:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–19:59 on the 11th, 18:44–19:59 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 75 of 75 minutes on the 11th and 0 of 75 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 19308 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1923: Monday 11 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-06-11", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1923 falls on Monday 11 June. Trayodaśī runs from 11:21 on Mon 11 Jun to 13:22 on Tue 12 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/shivaratri?on=1923-06-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29077, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-06-12T13:22:48+03:26", "utc": "1923-06-12T09:56:48Z", "ms": -1469196192080.3296 }, "end": { "local": "1923-06-13T14:58:38+03:26", "utc": "1923-06-13T11:32:38Z", "ms": -1469104041536.0647 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-06-12T13:22:48+03:26", "utc": "1923-06-12T09:56:48Z", "ms": -1469196192080.3296 }, "end": { "local": "1923-06-13T14:58:38+03:26", "utc": "1923-06-13T11:32:38Z", "ms": -1469104041536.0647 } }, "kaala": "nishita", "days": [ { "local_date": "1923-06-12", "window": { "start": { "local": "1923-06-12T23:03:03+03:26", "utc": "1923-06-12T19:37:03Z", "ms": -1469161377069.1729 }, "end": { "local": "1923-06-12T23:51:03+03:26", "utc": "1923-06-12T20:25:03Z", "ms": -1469158497069.1729 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-06-13", "window": { "start": { "local": "1923-06-13T23:03:16+03:26", "utc": "1923-06-13T19:37:16Z", "ms": -1469074964399.188 }, "end": { "local": "1923-06-13T23:51:16+03:26", "utc": "1923-06-13T20:25:16Z", "ms": -1469072084399.188 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:22 on Tue 12 Jun to 14:58 on Wed 13 Jun.", "fact": "1923-06-12T09:56:48Z → 1923-06-13T11:32:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:02–23:50 on the 12th, 23:02–23:50 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 29077 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1923: Tuesday 12 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": "1923-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-06-12", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1923 falls on Tuesday 12 June. Caturdaśī runs from 13:22 on Tue 12 Jun to 14:58 on Wed 13 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1923/shivaratri?on=1923-06-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18717, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1923-06-16T17:09:02+03:26", "utc": "1923-06-16T13:43:02Z", "ms": -1468837017903.8962 }, "end": { "local": "1923-06-17T17:04:02+03:26", "utc": "1923-06-17T13:38:02Z", "ms": -1468750918200.9714 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-06-16T17:09:02+03:26", "utc": "1923-06-16T13:43:02Z", "ms": -1468837017903.8962 }, "end": { "local": "1923-06-17T17:04:02+03:26", "utc": "1923-06-17T13:38:02Z", "ms": -1468750918200.9714 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-06-16", "window": { "start": { "local": "1923-06-16T11:03:53+03:26", "utc": "1923-06-16T07:37:53Z", "ms": -1468858927283.8643 }, "end": { "local": "1923-06-16T11:51:53+03:26", "utc": "1923-06-16T08:25:53Z", "ms": -1468856047283.8643 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-06-17", "window": { "start": { "local": "1923-06-17T11:04:05+03:26", "utc": "1923-06-17T07:38:05Z", "ms": -1468772514878.5195 }, "end": { "local": "1923-06-17T11:52:05+03:26", "utc": "1923-06-17T08:26:05Z", "ms": -1468769634878.5195 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:08 on Sat 16 Jun to 17:03 on Sun 17 Jun.", "fact": "1923-06-16T13:43:02Z → 1923-06-17T13:38:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 16th, 11:03–11:51 on the 17th.", "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 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18717 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Mashhad, 1923: Sunday 17 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-06-17", "confidence": "determinate" } ], "quote": "In Mashhad, Rambhā Tṛtīyā 1923 falls on Sunday 17 June. Tṛtīyā runs from 17:08 on Sat 16 Jun to 17:03 on Sun 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-06-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17083, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-06-17T17:04:02+03:26", "utc": "1923-06-17T13:38:02Z", "ms": -1468750918200.9714 }, "end": { "local": "1923-06-18T16:37:00+03:26", "utc": "1923-06-18T13:11:00Z", "ms": -1468666139781.4792 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-06-17T17:04:02+03:26", "utc": "1923-06-17T13:38:02Z", "ms": -1468750918200.9714 }, "end": { "local": "1923-06-18T16:37:00+03:26", "utc": "1923-06-18T13:11:00Z", "ms": -1468666139781.4792 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-06-17", "window": { "start": { "local": "1923-06-17T11:04:05+03:26", "utc": "1923-06-17T07:38:05Z", "ms": -1468772514878.5195 }, "end": { "local": "1923-06-17T11:52:05+03:26", "utc": "1923-06-17T08:26:05Z", "ms": -1468769634878.5195 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-06-18", "window": { "start": { "local": "1923-06-18T11:04:18+03:26", "utc": "1923-06-18T07:38:18Z", "ms": -1468686102394.8464 }, "end": { "local": "1923-06-18T11:52:18+03:26", "utc": "1923-06-18T08:26:18Z", "ms": -1468683222394.8464 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:03 on Sun 17 Jun to 16:36 on Mon 18 Jun.", "fact": "1923-06-17T13:38:02Z → 1923-06-18T13:11:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 17th, 11:03–11:51 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 17083 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1923: Monday 18 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": "1923-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-06-18", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1923 falls on Monday 18 June. Caturthī runs from 17:03 on Sun 17 Jun to 16:36 on Mon 18 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-06-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9928, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1923-06-19T15:48:25+03:26", "utc": "1923-06-19T12:22:25Z", "ms": -1468582654526.366 }, "end": { "local": "1923-06-20T14:38:11+03:26", "utc": "1923-06-20T11:12:11Z", "ms": -1468500469167.7236 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-06-19T15:48:25+03:26", "utc": "1923-06-19T12:22:25Z", "ms": -1468582654526.366 }, "end": { "local": "1923-06-20T14:38:11+03:26", "utc": "1923-06-20T11:12:11Z", "ms": -1468500469167.7236 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-06-19", "window": { "start": { "local": "1923-06-19T11:04:30+03:26", "utc": "1923-06-19T07:38:30Z", "ms": -1468599689859.5952 }, "end": { "local": "1923-06-19T11:52:30+03:26", "utc": "1923-06-19T08:26:30Z", "ms": -1468596809859.5952 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-06-20", "window": { "start": { "local": "1923-06-20T11:04:43+03:26", "utc": "1923-06-20T07:38:43Z", "ms": -1468513277299.0571 }, "end": { "local": "1923-06-20T11:52:43+03:26", "utc": "1923-06-20T08:26:43Z", "ms": -1468510397299.0571 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 15:47 on Tue 19 Jun to 14:37 on Wed 20 Jun.", "fact": "1923-06-19T12:22:25Z → 1923-06-20T11:12:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 19th, 11:04–11:52 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9928 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Mashhad, 1923: Wednesday 20 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-06-20", "confidence": "determinate" } ], "quote": "In Mashhad, Araṇya Gaurī Vrata 1923 falls on Wednesday 20 June. Ṣaṣṭhī runs from 15:47 on Tue 19 Jun to 14:37 on Wed 20 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9928, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1923-06-19T15:48:25+03:26", "utc": "1923-06-19T12:22:25Z", "ms": -1468582654526.366 }, "end": { "local": "1923-06-20T14:38:11+03:26", "utc": "1923-06-20T11:12:11Z", "ms": -1468500469167.7236 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-06-19T15:48:25+03:26", "utc": "1923-06-19T12:22:25Z", "ms": -1468582654526.366 }, "end": { "local": "1923-06-20T14:38:11+03:26", "utc": "1923-06-20T11:12:11Z", "ms": -1468500469167.7236 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-06-19", "window": { "start": { "local": "1923-06-19T11:04:30+03:26", "utc": "1923-06-19T07:38:30Z", "ms": -1468599689859.5952 }, "end": { "local": "1923-06-19T11:52:30+03:26", "utc": "1923-06-19T08:26:30Z", "ms": -1468596809859.5952 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-06-20", "window": { "start": { "local": "1923-06-20T11:04:43+03:26", "utc": "1923-06-20T07:38:43Z", "ms": -1468513277299.0571 }, "end": { "local": "1923-06-20T11:52:43+03:26", "utc": "1923-06-20T08:26:43Z", "ms": -1468510397299.0571 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 15:47 on Tue 19 Jun to 14:37 on Wed 20 Jun.", "fact": "1923-06-19T12:22:25Z → 1923-06-20T11:12:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 19th, 11:04–11:52 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9928 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Mashhad, 1923: Wednesday 20 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-06-20", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1923 falls on Wednesday 20 June. Ṣaṣṭhī runs from 15:47 on Tue 19 Jun to 14:37 on Wed 20 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-06-24", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1987, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-06-24T06:24:32+03:26", "utc": "1923-06-24T02:58:32Z", "ms": -1468184487666.9668 }, "end": { "local": "1923-06-25T03:37:54+03:26", "utc": "1923-06-25T00:11:54Z", "ms": -1468108086071.178 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-06-24T06:24:32+03:26", "utc": "1923-06-24T02:58:32Z", "ms": -1468184487666.9668 }, "end": { "local": "1923-06-25T03:37:54+03:26", "utc": "1923-06-25T00:11:54Z", "ms": -1468108086071.178 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-06-24", "window": { "start": { "local": "1923-06-24T04:10:45+03:26", "utc": "1923-06-24T00:44:45Z", "ms": -1468192515019.6306 }, "end": { "local": "1923-06-24T04:10:45+03:26", "utc": "1923-06-24T00:44:45Z", "ms": -1468192515019.6306 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-06-25", "window": { "start": { "local": "1923-06-25T04:11:01+03:26", "utc": "1923-06-25T00:45:01Z", "ms": -1468106098995.6902 }, "end": { "local": "1923-06-25T04:11:01+03:26", "utc": "1923-06-25T00:45:01Z", "ms": -1468106098995.6902 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:24 on Sun 24 Jun to 03:37 on Mon 25 Jun.", "fact": "1923-06-24T02:58:32Z → 1923-06-25T00:11:54Z" }, { "step": "kaala", "text": "Sunrise is at 04:10 on the 24th and 04:10 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is not on the 25th.", "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 1987 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Mashhad, 1923: Sunday 24 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": "1923-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-06-24", "confidence": "determinate" } ], "quote": "In Mashhad, Nirjalā Ekādaśī 1923 falls on Sunday 24 June. Ekādaśī runs from 06:24 on Sun 24 Jun to 03:37 on Mon 25 Jun, and is current at sunrise on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-06-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26871, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1923-06-25T03:37:54+03:26", "utc": "1923-06-25T00:11:54Z", "ms": -1468108086071.178 }, "end": { "local": "1923-06-26T00:43:17+03:26", "utc": "1923-06-25T21:17:17Z", "ms": -1468032162707.9785 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-06-25T03:37:54+03:26", "utc": "1923-06-25T00:11:54Z", "ms": -1468108086071.178 }, "end": { "local": "1923-06-26T00:43:17+03:26", "utc": "1923-06-25T21:17:17Z", "ms": -1468032162707.9785 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-06-25", "window": { "start": { "local": "1923-06-25T11:05:45+03:26", "utc": "1923-06-25T07:39:45Z", "ms": -1468081214972.681 }, "end": { "local": "1923-06-25T11:53:45+03:26", "utc": "1923-06-25T08:27:45Z", "ms": -1468078334972.681 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-06-26", "window": { "start": { "local": "1923-06-26T11:05:57+03:26", "utc": "1923-06-26T07:39:57Z", "ms": -1467994802756.91 }, "end": { "local": "1923-06-26T11:53:57+03:26", "utc": "1923-06-26T08:27:57Z", "ms": -1467991922756.91 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:37 on Mon 25 Jun to 00:42 on Tue 26 Jun.", "fact": "1923-06-25T00:11:54Z → 1923-06-25T21:17:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 25th, 11:05–11:53 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 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26871 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Mashhad, 1923: Monday 25 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": "1923-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-06-25", "confidence": "determinate" } ], "quote": "In Mashhad, Śrī Rāma Dvādaśī 1923 falls on Monday 25 June. Dvādaśī runs from 03:37 on Mon 25 Jun to 00:42 on Tue 26 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/pradosha-vrata?on=1923-06-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6263, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-06-26T00:43:17+03:26", "utc": "1923-06-25T21:17:17Z", "ms": -1468032162707.9785 }, "end": { "local": "1923-06-26T21:48:03+03:26", "utc": "1923-06-26T18:22:03Z", "ms": -1467956277277.725 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-06-26T00:43:17+03:26", "utc": "1923-06-25T21:17:17Z", "ms": -1468032162707.9785 }, "end": { "local": "1923-06-26T21:48:03+03:26", "utc": "1923-06-26T18:22:03Z", "ms": -1467956277277.725 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-06-25", "window": { "start": { "local": "1923-06-25T18:48:29+03:26", "utc": "1923-06-25T15:22:29Z", "ms": -1468053450949.6716 }, "end": { "local": "1923-06-25T20:03:32+03:26", "utc": "1923-06-25T16:37:32Z", "ms": -1468048948361.135 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "1923-06-26", "window": { "start": { "local": "1923-06-26T18:48:36+03:26", "utc": "1923-06-26T15:22:36Z", "ms": -1467967043978.1733 }, "end": { "local": "1923-06-26T20:03:40+03:26", "utc": "1923-06-26T16:37:40Z", "ms": -1467962539802.9258 } }, "covered_min": 75, "window_min": 75, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:42 on Tue 26 Jun to 21:47 on Tue 26 Jun.", "fact": "1923-06-25T21:17:17Z → 1923-06-26T18:22:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:03 on the 25th, 18:48–20:03 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 75 minutes on the 25th and 75 of 75 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6263 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1923: Tuesday 26 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": "1923-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-06-26", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1923 falls on Tuesday 26 June. Trayodaśī runs from 00:42 on Tue 26 Jun to 21:47 on Tue 26 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-06-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 715, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-06-27T19:00:37+03:26", "utc": "1923-06-27T15:34:37Z", "ms": -1467879923481.385 }, "end": { "local": "1923-06-28T16:30:03+03:26", "utc": "1923-06-28T13:04:03Z", "ms": -1467802556575.3296 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1923-06-27T19:00:37+03:26", "utc": "1923-06-27T15:34:37Z", "ms": -1467879923481.385 }, "end": { "local": "1923-06-28T16:30:03+03:26", "utc": "1923-06-28T13:04:03Z", "ms": -1467802556575.3296 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-06-27", "window": { "start": { "local": "1923-06-27T18:48:41+03:26", "utc": "1923-06-27T15:22:41Z", "ms": -1467880638676.4497 }, "end": { "local": "1923-06-27T20:03:47+03:26", "utc": "1923-06-27T16:37:47Z", "ms": -1467876132506.9 } }, "covered_min": 63, "window_min": 75, "qualifies": true }, { "local_date": "1923-06-28", "window": { "start": { "local": "1923-06-28T18:48:45+03:26", "utc": "1923-06-28T15:22:45Z", "ms": -1467794235055.6396 }, "end": { "local": "1923-06-28T20:03:54+03:26", "utc": "1923-06-28T16:37:54Z", "ms": -1467789726486.0593 } }, "covered_min": 0, "window_min": 75, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:00 on Wed 27 Jun to 16:29 on Thu 28 Jun.", "fact": "1923-06-27T15:34:37Z → 1923-06-28T13:04:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:48–20:03 on the 27th, 18:48–20:03 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 63 of 75 minutes on the 27th and 0 of 75 on the 28th.", "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 715 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Mashhad, 1923: Wednesday 27 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": "1923-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-06-27", "confidence": "determinate" } ], "quote": "In Mashhad, Vaṭa Sāvitrī Vrata 1923 falls on Wednesday 27 June. Pūrṇimā runs from 19:00 on Wed 27 Jun to 16:29 on Thu 28 Jun and covers 63 of 75 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/sankashta-chaturthi?on=1923-07-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31883, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-07-01T12:06:58+03:26", "utc": "1923-07-01T08:40:58Z", "ms": -1467559142482.839 }, "end": { "local": "1923-07-02T12:04:09+03:26", "utc": "1923-07-02T08:38:09Z", "ms": -1467472911360.721 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-01T12:06:58+03:26", "utc": "1923-07-01T08:40:58Z", "ms": -1467559142482.839 }, "end": { "local": "1923-07-02T12:04:09+03:26", "utc": "1923-07-02T08:38:09Z", "ms": -1467472911360.721 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-07-01", "window": { "start": { "local": "1923-07-01T20:58:20+03:26", "utc": "1923-07-01T17:32:20Z", "ms": -1467527259543.9172 }, "end": { "local": "1923-07-01T20:58:20+03:26", "utc": "1923-07-01T17:32:20Z", "ms": -1467527259543.9172 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-07-02", "window": { "start": { "local": "1923-07-02T21:35:54+03:26", "utc": "1923-07-02T18:09:54Z", "ms": -1467438606276.785 }, "end": { "local": "1923-07-02T21:35:54+03:26", "utc": "1923-07-02T18:09:54Z", "ms": -1467438606276.785 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:06 on Sun 1 Jul to 12:03 on Mon 2 Jul.", "fact": "1923-07-01T08:40:58Z → 1923-07-02T08:38:09Z" }, { "step": "kaala", "text": "Moonrise is at 20:57 on the 1st and 21:35 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 1st and is not 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 31883 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1923: Sunday 1 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": "1923-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-01", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1923 falls on Sunday 1 July. Caturthī runs from 12:06 on Sun 1 Jul to 12:03 on Mon 2 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/sankashta-chaturthi?on=1923-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/ekadashi?on=1923-07-09", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10592, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-07-08T23:21:35+03:26", "utc": "1923-07-08T19:55:35Z", "ms": -1466913864804.2925 }, "end": { "local": "1923-07-10T01:21:06+03:26", "utc": "1923-07-09T21:55:06Z", "ms": -1466820293689.822 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-08T23:21:35+03:26", "utc": "1923-07-08T19:55:35Z", "ms": -1466913864804.2925 }, "end": { "local": "1923-07-10T01:21:06+03:26", "utc": "1923-07-09T21:55:06Z", "ms": -1466820293689.822 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-07-09", "window": { "start": { "local": "1923-07-09T04:17:04+03:26", "utc": "1923-07-09T00:51:04Z", "ms": -1466896136022.788 }, "end": { "local": "1923-07-09T04:17:04+03:26", "utc": "1923-07-09T00:51:04Z", "ms": -1466896136022.788 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-07-10", "window": { "start": { "local": "1923-07-10T04:17:39+03:26", "utc": "1923-07-10T00:51:39Z", "ms": -1466809701427.116 }, "end": { "local": "1923-07-10T04:17:39+03:26", "utc": "1923-07-10T00:51:39Z", "ms": -1466809701427.116 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:21 on Sun 8 Jul to 01:20 on Tue 10 Jul.", "fact": "1923-07-08T19:55:35Z → 1923-07-09T21:55:06Z" }, { "step": "kaala", "text": "Sunrise is at 04:16 on the 9th and 04:17 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 10592 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Mashhad, 1923: Monday 9 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-09", "confidence": "determinate" } ], "quote": "In Mashhad, Yoginī Ekādaśī 1923 falls on Monday 9 July. Ekādaśī runs from 23:21 on Sun 8 Jul to 01:20 on Tue 10 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-07-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pradosha-vrata?on=1923-07-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24534, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-07-11T02:52:16+03:26", "utc": "1923-07-10T23:26:16Z", "ms": -1466728423564.5437 }, "end": { "local": "1923-07-12T03:50:54+03:26", "utc": "1923-07-12T00:24:54Z", "ms": -1466638506482.1477 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-11T02:52:16+03:26", "utc": "1923-07-10T23:26:16Z", "ms": -1466728423564.5437 }, "end": { "local": "1923-07-12T03:50:54+03:26", "utc": "1923-07-12T00:24:54Z", "ms": -1466638506482.1477 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-07-10", "window": { "start": { "local": "1923-07-10T18:47:14+03:26", "utc": "1923-07-10T15:21:14Z", "ms": -1466757525509.1619 }, "end": { "local": "1923-07-10T20:03:22+03:26", "utc": "1923-07-10T16:37:22Z", "ms": -1466752957557.0042 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1923-07-11", "window": { "start": { "local": "1923-07-11T18:46:56+03:26", "utc": "1923-07-11T15:20:56Z", "ms": -1466671144339.89 }, "end": { "local": "1923-07-11T20:03:11+03:26", "utc": "1923-07-11T16:37:11Z", "ms": -1466666569012.6633 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:51 on Wed 11 Jul to 03:50 on Thu 12 Jul.", "fact": "1923-07-10T23:26:16Z → 1923-07-12T00:24:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:02 on the 10th, 18:46–20:02 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 76 minutes on the 10th and 76 of 76 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24534 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1923: Wednesday 11 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": "1923-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-11", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1923 falls on Wednesday 11 July. Trayodaśī runs from 02:51 on Wed 11 Jul to 03:50 on Thu 12 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-07-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/shivaratri?on=1923-07-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14040, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-07-12T03:50:54+03:26", "utc": "1923-07-12T00:24:54Z", "ms": -1466638506482.1477 }, "end": { "local": "1923-07-13T04:16:21+03:26", "utc": "1923-07-13T00:50:21Z", "ms": -1466550579178.8518 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-12T03:50:54+03:26", "utc": "1923-07-12T00:24:54Z", "ms": -1466638506482.1477 }, "end": { "local": "1923-07-13T04:16:21+03:26", "utc": "1923-07-13T00:50:21Z", "ms": -1466550579178.8518 } }, "kaala": "nishita", "days": [ { "local_date": "1923-07-11", "window": { "start": { "local": "1923-07-11T23:08:53+03:26", "utc": "1923-07-11T19:42:53Z", "ms": -1466655426862.7903 }, "end": { "local": "1923-07-11T23:56:53+03:26", "utc": "1923-07-11T20:30:53Z", "ms": -1466652546862.7903 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-07-12", "window": { "start": { "local": "1923-07-12T23:09:02+03:26", "utc": "1923-07-12T19:43:02Z", "ms": -1466569018466.836 }, "end": { "local": "1923-07-12T23:57:02+03:26", "utc": "1923-07-12T20:31:02Z", "ms": -1466566138466.836 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:50 on Thu 12 Jul to 04:15 on Fri 13 Jul.", "fact": "1923-07-12T00:24:54Z → 1923-07-13T00:50:21Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:08–23:56 on the 11th, 23:08–23:56 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 14040 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1923: Thursday 12 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": "1923-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-12", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1923 falls on Thursday 12 July. Caturdaśī runs from 03:50 on Thu 12 Jul to 04:15 on Fri 13 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1923/shivaratri?on=1923-07-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27105, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1923-07-15T03:37:19+03:26", "utc": "1923-07-15T00:11:19Z", "ms": -1466380121389.8066 }, "end": { "local": "1923-07-16T02:40:29+03:26", "utc": "1923-07-15T23:14:29Z", "ms": -1466297131053.7258 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-15T03:37:19+03:26", "utc": "1923-07-15T00:11:19Z", "ms": -1466380121389.8066 }, "end": { "local": "1923-07-16T02:40:29+03:26", "utc": "1923-07-15T23:14:29Z", "ms": -1466297131053.7258 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-07-15", "window": { "start": { "local": "1923-07-15T11:09:04+03:26", "utc": "1923-07-15T07:43:04Z", "ms": -1466353015933.371 }, "end": { "local": "1923-07-15T11:57:04+03:26", "utc": "1923-07-15T08:31:04Z", "ms": -1466350135933.371 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-07-16", "window": { "start": { "local": "1923-07-16T11:09:10+03:26", "utc": "1923-07-16T07:43:10Z", "ms": -1466266609807.5933 }, "end": { "local": "1923-07-16T11:57:10+03:26", "utc": "1923-07-16T08:31:10Z", "ms": -1466263729807.5933 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 03:36 on Sun 15 Jul to 02:39 on Mon 16 Jul.", "fact": "1923-07-15T00:11:19Z → 1923-07-15T23:14:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 15th, 11:08–11:56 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 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27105 s" }, { "step": "ruling", "text": "Rathayātrā, Mashhad, 1923: Sunday 15 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-15", "confidence": "determinate" } ], "quote": "In Mashhad, Rathayātrā 1923 falls on Sunday 15 July. Dvitīyā runs from 03:36 on Sun 15 Jul to 02:39 on Mon 16 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-07-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35106, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-07-17T01:24:10+03:26", "utc": "1923-07-16T21:58:10Z", "ms": -1466215310042.9863 }, "end": { "local": "1923-07-17T23:51:49+03:26", "utc": "1923-07-17T20:25:49Z", "ms": -1466134450568.5032 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-17T01:24:10+03:26", "utc": "1923-07-16T21:58:10Z", "ms": -1466215310042.9863 }, "end": { "local": "1923-07-17T23:51:49+03:26", "utc": "1923-07-17T20:25:49Z", "ms": -1466134450568.5032 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-07-17", "window": { "start": { "local": "1923-07-17T11:09:16+03:26", "utc": "1923-07-17T07:43:16Z", "ms": -1466180204184.9746 }, "end": { "local": "1923-07-17T11:57:16+03:26", "utc": "1923-07-17T08:31:16Z", "ms": -1466177324184.9746 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-07-18", "window": { "start": { "local": "1923-07-18T11:09:21+03:26", "utc": "1923-07-18T07:43:21Z", "ms": -1466093799082.014 }, "end": { "local": "1923-07-18T11:57:21+03:26", "utc": "1923-07-18T08:31:21Z", "ms": -1466090919082.014 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:23 on Tue 17 Jul to 23:51 on Tue 17 Jul.", "fact": "1923-07-16T21:58:10Z → 1923-07-17T20:25:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 17th, 11:08–11:56 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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35106 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1923: Tuesday 17 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": "1923-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-17", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1923 falls on Tuesday 17 July. Caturthī runs from 01:23 on Tue 17 Jul to 23:51 on Tue 17 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-07-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36532, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1923-07-17T23:51:49+03:26", "utc": "1923-07-17T20:25:49Z", "ms": -1466134450568.5032 }, "end": { "local": "1923-07-18T22:06:13+03:26", "utc": "1923-07-18T18:40:13Z", "ms": -1466054386729.3003 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-17T23:51:49+03:26", "utc": "1923-07-17T20:25:49Z", "ms": -1466134450568.5032 }, "end": { "local": "1923-07-18T22:06:13+03:26", "utc": "1923-07-18T18:40:13Z", "ms": -1466054386729.3003 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-07-17", "window": { "start": { "local": "1923-07-17T11:09:16+03:26", "utc": "1923-07-17T07:43:16Z", "ms": -1466180204184.9746 }, "end": { "local": "1923-07-17T11:57:16+03:26", "utc": "1923-07-17T08:31:16Z", "ms": -1466177324184.9746 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-07-18", "window": { "start": { "local": "1923-07-18T11:09:21+03:26", "utc": "1923-07-18T07:43:21Z", "ms": -1466093799082.014 }, "end": { "local": "1923-07-18T11:57:21+03:26", "utc": "1923-07-18T08:31:21Z", "ms": -1466090919082.014 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:51 on Tue 17 Jul to 22:05 on Wed 18 Jul.", "fact": "1923-07-17T20:25:49Z → 1923-07-18T18:40:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 17th, 11:08–11:56 on the 18th.", "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 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36532 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Mashhad, 1923: Wednesday 18 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-18", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Pañcamī 1923 falls on Wednesday 18 July. Pañcamī runs from 23:51 on Tue 17 Jul to 22:05 on Wed 18 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21963, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1923-07-19T20:09:31+03:26", "utc": "1923-07-19T16:43:31Z", "ms": -1465974988940.015 }, "end": { "local": "1923-07-20T18:03:33+03:26", "utc": "1923-07-20T14:37:33Z", "ms": -1465896146999.4792 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-19T20:09:31+03:26", "utc": "1923-07-19T16:43:31Z", "ms": -1465974988940.015 }, "end": { "local": "1923-07-20T18:03:33+03:26", "utc": "1923-07-20T14:37:33Z", "ms": -1465896146999.4792 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-07-19", "window": { "start": { "local": "1923-07-19T11:09:25+03:26", "utc": "1923-07-19T07:43:25Z", "ms": -1466007394513.706 }, "end": { "local": "1923-07-19T11:57:25+03:26", "utc": "1923-07-19T08:31:25Z", "ms": -1466004514513.706 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-07-20", "window": { "start": { "local": "1923-07-20T11:09:30+03:26", "utc": "1923-07-20T07:43:30Z", "ms": -1465920990493.2847 }, "end": { "local": "1923-07-20T11:57:30+03:26", "utc": "1923-07-20T08:31:30Z", "ms": -1465918110493.2847 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:09 on Thu 19 Jul to 18:03 on Fri 20 Jul.", "fact": "1923-07-19T16:43:31Z → 1923-07-20T14:37:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 19th, 11:08–11:56 on the 20th.", "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 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21963 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Mashhad, 1923: Friday 20 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-20", "confidence": "determinate" } ], "quote": "In Mashhad, Vivasvat Saptamī 1923 falls on Friday 20 July. Saptamī runs from 20:09 on Thu 19 Jul to 18:03 on Fri 20 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-07-24", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16009, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-07-23T11:11:45+03:26", "utc": "1923-07-23T07:45:45Z", "ms": -1465661654790.285 }, "end": { "local": "1923-07-24T08:53:55+03:26", "utc": "1923-07-24T05:27:55Z", "ms": -1465583525487.7517 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-23T11:11:45+03:26", "utc": "1923-07-23T07:45:45Z", "ms": -1465661654790.285 }, "end": { "local": "1923-07-24T08:53:55+03:26", "utc": "1923-07-24T05:27:55Z", "ms": -1465583525487.7517 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-07-23", "window": { "start": { "local": "1923-07-23T04:26:21+03:26", "utc": "1923-07-23T01:00:21Z", "ms": -1465685978870.8523 }, "end": { "local": "1923-07-23T04:26:21+03:26", "utc": "1923-07-23T01:00:21Z", "ms": -1465685978870.8523 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-07-24", "window": { "start": { "local": "1923-07-24T04:27:06+03:26", "utc": "1923-07-24T01:01:06Z", "ms": -1465599534446.336 }, "end": { "local": "1923-07-24T04:27:06+03:26", "utc": "1923-07-24T01:01:06Z", "ms": -1465599534446.336 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:11 on Mon 23 Jul to 08:53 on Tue 24 Jul.", "fact": "1923-07-23T07:45:45Z → 1923-07-24T05:27:55Z" }, { "step": "kaala", "text": "Sunrise is at 04:25 on the 23rd and 04:26 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16009 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Mashhad, 1923: Tuesday 24 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": "1923-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-24", "confidence": "determinate" } ], "quote": "In Mashhad, Hariśayanī Ekādaśī 1923 falls on Tuesday 24 July. Ekādaśī runs from 11:11 on Mon 23 Jul to 08:53 on Tue 24 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-07-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pradosha-vrata?on=1923-07-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31702, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-07-25T06:43:29+03:26", "utc": "1923-07-25T03:17:29Z", "ms": -1465504950699.071 }, "end": { "local": "1923-07-26T04:46:27+03:26", "utc": "1923-07-26T01:20:27Z", "ms": -1465425573262.4944 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-25T06:43:29+03:26", "utc": "1923-07-25T03:17:29Z", "ms": -1465504950699.071 }, "end": { "local": "1923-07-26T04:46:27+03:26", "utc": "1923-07-26T01:20:27Z", "ms": -1465425573262.4944 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-07-24", "window": { "start": { "local": "1923-07-24T18:40:14+03:26", "utc": "1923-07-24T15:14:14Z", "ms": -1465548345727.8274 }, "end": { "local": "1923-07-24T19:58:35+03:26", "utc": "1923-07-24T16:32:35Z", "ms": -1465543644909.5476 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1923-07-25", "window": { "start": { "local": "1923-07-25T18:39:32+03:26", "utc": "1923-07-25T15:13:32Z", "ms": -1465461988282.9338 }, "end": { "local": "1923-07-25T19:58:04+03:26", "utc": "1923-07-25T16:32:04Z", "ms": -1465457275756.1484 } }, "covered_min": 79, "window_min": 79, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:42 on Wed 25 Jul to 04:45 on Thu 26 Jul.", "fact": "1923-07-25T03:17:29Z → 1923-07-26T01:20:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–19:58 on the 24th, 18:39–19:57 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 78 minutes on the 24th and 79 of 79 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31702 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1923: Wednesday 25 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": "1923-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-25", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1923 falls on Wednesday 25 July. Trayodaśī runs from 06:42 on Wed 25 Jul to 04:45 on Thu 26 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-07-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4806, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-07-27T03:09:15+03:26", "utc": "1923-07-26T23:43:15Z", "ms": -1465345005140.5984 }, "end": { "local": "1923-07-28T01:58:24+03:26", "utc": "1923-07-27T22:32:24Z", "ms": -1465262855908.8132 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-27T03:09:15+03:26", "utc": "1923-07-26T23:43:15Z", "ms": -1465345005140.5984 }, "end": { "local": "1923-07-28T01:58:24+03:26", "utc": "1923-07-27T22:32:24Z", "ms": -1465262855908.8132 } }, "kaala": "udaya-3", "days": [ { "local_date": "1923-07-27", "window": { "start": { "local": "1923-07-27T04:29:21+03:26", "utc": "1923-07-27T01:03:21Z", "ms": -1465340198696.6846 }, "end": { "local": "1923-07-27T07:19:05+03:26", "utc": "1923-07-27T03:53:05Z", "ms": -1465330014577.9988 } }, "covered_min": 170, "window_min": 170, "qualifies": true }, { "local_date": "1923-07-28", "window": { "start": { "local": "1923-07-28T04:30:07+03:26", "utc": "1923-07-28T01:04:07Z", "ms": -1465253752709.6956 }, "end": { "local": "1923-07-28T07:19:33+03:26", "utc": "1923-07-28T03:53:33Z", "ms": -1465243587231.6445 } }, "covered_min": 0, "window_min": 169, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:08 on Fri 27 Jul to 01:57 on Sat 28 Jul.", "fact": "1923-07-26T23:43:15Z → 1923-07-27T22:32:24Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:28–07:18 on the 27th, 04:29–07:19 on the 28th.", "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 170 of 170 minutes on the 27th and 0 of 169 on the 28th.", "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 4806 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Mashhad, 1923: Friday 27 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": "1923-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-27", "confidence": "determinate" } ], "quote": "In Mashhad, Vyāsa Pūjā 1923 falls on Friday 27 July. Pūrṇimā runs from 03:08 on Fri 27 Jul to 01:57 on Sat 28 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28827, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-07-27T03:09:15+03:26", "utc": "1923-07-26T23:43:15Z", "ms": -1465345005140.5984 }, "end": { "local": "1923-07-28T01:58:24+03:26", "utc": "1923-07-27T22:32:24Z", "ms": -1465262855908.8132 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-27T03:09:15+03:26", "utc": "1923-07-26T23:43:15Z", "ms": -1465345005140.5984 }, "end": { "local": "1923-07-28T01:58:24+03:26", "utc": "1923-07-27T22:32:24Z", "ms": -1465262855908.8132 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-07-27", "window": { "start": { "local": "1923-07-27T11:09:42+03:26", "utc": "1923-07-27T07:43:42Z", "ms": -1465316178399.9697 }, "end": { "local": "1923-07-27T11:57:42+03:26", "utc": "1923-07-27T08:31:42Z", "ms": -1465313298399.9697 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-07-28", "window": { "start": { "local": "1923-07-28T11:09:41+03:26", "utc": "1923-07-28T07:43:41Z", "ms": -1465229779014.568 }, "end": { "local": "1923-07-28T11:57:41+03:26", "utc": "1923-07-28T08:31:41Z", "ms": -1465226899014.568 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:08 on Fri 27 Jul to 01:57 on Sat 28 Jul.", "fact": "1923-07-26T23:43:15Z → 1923-07-27T22:32:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 27th, 11:09–11:57 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28827 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Mashhad, 1923: Friday 27 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": "1923-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-27", "confidence": "determinate" } ], "quote": "In Mashhad, Guru Pūrṇimā 1923 falls on Friday 27 July. Pūrṇimā runs from 03:08 on Fri 27 Jul to 01:57 on Sat 28 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26422, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-07-27T03:09:15+03:26", "utc": "1923-07-26T23:43:15Z", "ms": -1465345005140.5984 }, "end": { "local": "1923-07-28T01:58:24+03:26", "utc": "1923-07-27T22:32:24Z", "ms": -1465262855908.8132 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-27T03:09:15+03:26", "utc": "1923-07-26T23:43:15Z", "ms": -1465345005140.5984 }, "end": { "local": "1923-07-28T01:58:24+03:26", "utc": "1923-07-27T22:32:24Z", "ms": -1465262855908.8132 } }, "kaala": "sayahna", "days": [ { "local_date": "1923-07-26", "window": { "start": { "local": "1923-07-26T15:48:45+03:26", "utc": "1923-07-26T12:22:45Z", "ms": -1465385834799.3303 }, "end": { "local": "1923-07-26T18:38:48+03:26", "utc": "1923-07-26T15:12:48Z", "ms": -1465375632416.152 } }, "covered_min": 0, "window_min": 170, "qualifies": false }, { "local_date": "1923-07-27", "window": { "start": { "local": "1923-07-27T15:48:18+03:26", "utc": "1923-07-27T12:22:18Z", "ms": -1465299462221.941 }, "end": { "local": "1923-07-27T18:38:02+03:26", "utc": "1923-07-27T15:12:02Z", "ms": -1465289278103.2551 } }, "covered_min": 170, "window_min": 170, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:08 on Fri 27 Jul to 01:57 on Sat 28 Jul.", "fact": "1923-07-26T23:43:15Z → 1923-07-27T22:32:24Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:48–18:38 on the 26th, 15:47–18:37 on the 27th.", "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 170 minutes on the 26th and 170 of 170 on the 27th.", "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 26422 s" }, { "step": "ruling", "text": "Kokilā Vrata, Mashhad, 1923: Friday 27 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": "1923-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-27", "confidence": "determinate" } ], "quote": "In Mashhad, Kokilā Vrata 1923 falls on Friday 27 July. Pūrṇimā runs from 03:08 on Fri 27 Jul to 01:57 on Sat 28 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21685, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-07-27T03:09:15+03:26", "utc": "1923-07-26T23:43:15Z", "ms": -1465345005140.5984 }, "end": { "local": "1923-07-28T01:58:24+03:26", "utc": "1923-07-27T22:32:24Z", "ms": -1465262855908.8132 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1923-07-27T03:09:15+03:26", "utc": "1923-07-26T23:43:15Z", "ms": -1465345005140.5984 }, "end": { "local": "1923-07-28T01:58:24+03:26", "utc": "1923-07-27T22:32:24Z", "ms": -1465262855908.8132 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-07-26", "window": { "start": { "local": "1923-07-26T18:38:48+03:26", "utc": "1923-07-26T15:12:48Z", "ms": -1465375632416.152 }, "end": { "local": "1923-07-26T19:57:32+03:26", "utc": "1923-07-26T16:31:32Z", "ms": -1465370907920.2231 } }, "covered_min": 0, "window_min": 79, "qualifies": false }, { "local_date": "1923-07-27", "window": { "start": { "local": "1923-07-27T18:38:02+03:26", "utc": "1923-07-27T15:12:02Z", "ms": -1465289278103.2551 }, "end": { "local": "1923-07-27T19:56:59+03:26", "utc": "1923-07-27T16:30:59Z", "ms": -1465284541384.1138 } }, "covered_min": 79, "window_min": 79, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:08 on Fri 27 Jul to 01:57 on Sat 28 Jul.", "fact": "1923-07-26T23:43:15Z → 1923-07-27T22:32:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–19:57 on the 26th, 18:37–19:56 on the 27th.", "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 79 minutes on the 26th and 79 of 79 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21685 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Mashhad, 1923: Friday 27 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": "1923-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-27", "confidence": "determinate" } ], "quote": "In Mashhad, Śiva Śayanotsava 1923 falls on Friday 27 July. Pūrṇimā runs from 03:08 on Fri 27 Jul to 01:57 on Sat 28 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20754, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1923-07-29T01:19:49+03:26", "utc": "1923-07-28T21:53:49Z", "ms": -1465178770893.5073 }, "end": { "local": "1923-07-30T01:18:01+03:26", "utc": "1923-07-29T21:52:01Z", "ms": -1465092478793.6528 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1923-07-29T01:19:49+03:26", "utc": "1923-07-28T21:53:49Z", "ms": -1465178770893.5073 }, "end": { "local": "1923-07-30T01:18:01+03:26", "utc": "1923-07-29T21:52:01Z", "ms": -1465092478793.6528 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-07-28", "window": { "start": { "local": "1923-07-28T18:52:19+03:26", "utc": "1923-07-28T15:26:19Z", "ms": -1465202021344.945 }, "end": { "local": "1923-07-28T18:52:19+03:26", "utc": "1923-07-28T15:26:19Z", "ms": -1465202021344.945 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-07-29", "window": { "start": { "local": "1923-07-29T19:32:07+03:26", "utc": "1923-07-29T16:06:07Z", "ms": -1465113232706.7754 }, "end": { "local": "1923-07-29T19:32:07+03:26", "utc": "1923-07-29T16:06:07Z", "ms": -1465113232706.7754 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 01:19 on Sun 29 Jul to 01:17 on Mon 30 Jul.", "fact": "1923-07-28T21:53:49Z → 1923-07-29T21:52:01Z" }, { "step": "kaala", "text": "Moonrise is at 18:51 on the 28th and 19:31 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 28th and is on the 29th.", "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 20754 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Mashhad, 1923: Sunday 29 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": "1923-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-29", "confidence": "determinate" } ], "quote": "In Mashhad, Aśūnya Śayana Vrata (Āṣāḍha) 1923 falls on Sunday 29 July. Dvitīyā runs from 01:19 on Sun 29 Jul to 01:17 on Mon 30 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/sankashta-chaturthi?on=1923-07-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20826, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-07-31T01:55:14+03:26", "utc": "1923-07-30T22:29:14Z", "ms": -1465003846407.4895 }, "end": { "local": "1923-08-01T03:10:27+03:26", "utc": "1923-07-31T23:44:27Z", "ms": -1464912933328.5935 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1923-07-31T01:55:14+03:26", "utc": "1923-07-30T22:29:14Z", "ms": -1465003846407.4895 }, "end": { "local": "1923-08-01T03:10:27+03:26", "utc": "1923-07-31T23:44:27Z", "ms": -1464912933328.5935 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-07-30", "window": { "start": { "local": "1923-07-30T20:08:08+03:26", "utc": "1923-07-30T16:42:08Z", "ms": -1465024672086.8892 }, "end": { "local": "1923-07-30T20:08:08+03:26", "utc": "1923-07-30T16:42:08Z", "ms": -1465024672086.8892 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-07-31", "window": { "start": { "local": "1923-07-31T20:41:28+03:26", "utc": "1923-07-31T17:15:28Z", "ms": -1464936272485.3303 }, "end": { "local": "1923-07-31T20:41:28+03:26", "utc": "1923-07-31T17:15:28Z", "ms": -1464936272485.3303 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:54 on Tue 31 Jul to 03:09 on Wed 1 Aug.", "fact": "1923-07-30T22:29:14Z → 1923-07-31T23:44:27Z" }, { "step": "kaala", "text": "Moonrise is at 20:07 on the 30th and 20:40 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 31st.", "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 20826 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1923: Tuesday 31 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": "1923-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-07-31", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1923 falls on Tuesday 31 July. Caturthī runs from 01:54 on Tue 31 Jul to 03:09 on Wed 1 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/sankashta-chaturthi?on=1923-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/ekadashi?on=1923-08-08", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39924, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-08-07T15:43:25+03:26", "utc": "1923-08-07T12:17:25Z", "ms": -1464349354810.9888 }, "end": { "local": "1923-08-08T16:46:57+03:26", "utc": "1923-08-08T13:20:57Z", "ms": -1464259142503.6926 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1923-08-07T15:43:25+03:26", "utc": "1923-08-07T12:17:25Z", "ms": -1464349354810.9888 }, "end": { "local": "1923-08-08T16:46:57+03:26", "utc": "1923-08-08T13:20:57Z", "ms": -1464259142503.6926 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-08-07", "window": { "start": { "local": "1923-08-07T04:38:01+03:26", "utc": "1923-08-07T01:12:01Z", "ms": -1464389278554.4392 }, "end": { "local": "1923-08-07T04:38:01+03:26", "utc": "1923-08-07T01:12:01Z", "ms": -1464389278554.4392 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-08-08", "window": { "start": { "local": "1923-08-08T04:38:50+03:26", "utc": "1923-08-08T01:12:50Z", "ms": -1464302830192.7515 }, "end": { "local": "1923-08-08T04:38:50+03:26", "utc": "1923-08-08T01:12:50Z", "ms": -1464302830192.7515 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:42 on Tue 7 Aug to 16:46 on Wed 8 Aug.", "fact": "1923-08-07T12:17:25Z → 1923-08-08T13:20:57Z" }, { "step": "kaala", "text": "Sunrise is at 04:37 on the 7th and 04:38 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39924 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Mashhad, 1923: Wednesday 8 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-08", "confidence": "determinate" } ], "quote": "In Mashhad, Kāmikā Ekādaśī 1923 falls on Wednesday 8 August. Ekādaśī runs from 15:42 on Tue 7 Aug to 16:46 on Wed 8 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pradosha-vrata?on=1923-08-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4479, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-08-09T17:11:19+03:26", "utc": "1923-08-09T13:45:19Z", "ms": -1464171280608.2554 }, "end": { "local": "1923-08-10T16:56:27+03:26", "utc": "1923-08-10T13:30:27Z", "ms": -1464085772994.6833 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1923-08-09T17:11:19+03:26", "utc": "1923-08-09T13:45:19Z", "ms": -1464171280608.2554 }, "end": { "local": "1923-08-10T16:56:27+03:26", "utc": "1923-08-10T13:30:27Z", "ms": -1464085772994.6833 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-08-09", "window": { "start": { "local": "1923-08-09T18:25:58+03:26", "utc": "1923-08-09T14:59:58Z", "ms": -1464166801882.9177 }, "end": { "local": "1923-08-09T19:47:54+03:26", "utc": "1923-08-09T16:21:54Z", "ms": -1464161886061.7703 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "1923-08-10", "window": { "start": { "local": "1923-08-10T18:24:53+03:26", "utc": "1923-08-10T14:58:53Z", "ms": -1464080466646.0693 }, "end": { "local": "1923-08-10T19:47:04+03:26", "utc": "1923-08-10T16:21:04Z", "ms": -1464075535714.2346 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:10 on Thu 9 Aug to 16:55 on Fri 10 Aug.", "fact": "1923-08-09T13:45:19Z → 1923-08-10T13:30:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–19:47 on the 9th, 18:24–19:46 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 82 of 82 minutes on the 9th and 0 of 82 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4479 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1923: Thursday 9 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-09", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1923 falls on Thursday 9 August. Trayodaśī runs from 17:10 on Thu 9 Aug to 16:55 on Fri 10 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/shivaratri?on=1923-08-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22357, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-08-10T16:56:27+03:26", "utc": "1923-08-10T13:30:27Z", "ms": -1464085772994.6833 }, "end": { "local": "1923-08-11T16:05:12+03:26", "utc": "1923-08-11T12:39:12Z", "ms": -1464002447842.4941 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1923-08-10T16:56:27+03:26", "utc": "1923-08-10T13:30:27Z", "ms": -1464085772994.6833 }, "end": { "local": "1923-08-11T16:05:12+03:26", "utc": "1923-08-11T12:39:12Z", "ms": -1464002447842.4941 } }, "kaala": "nishita", "days": [ { "local_date": "1923-08-10", "window": { "start": { "local": "1923-08-10T23:09:04+03:26", "utc": "1923-08-10T19:43:04Z", "ms": -1464063415651.689 }, "end": { "local": "1923-08-10T23:57:04+03:26", "utc": "1923-08-10T20:31:04Z", "ms": -1464060535651.689 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-08-11", "window": { "start": { "local": "1923-08-11T23:08:56+03:26", "utc": "1923-08-11T19:42:56Z", "ms": -1463977024320.7288 }, "end": { "local": "1923-08-11T23:56:56+03:26", "utc": "1923-08-11T20:30:56Z", "ms": -1463974144320.7288 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:55 on Fri 10 Aug to 16:04 on Sat 11 Aug.", "fact": "1923-08-10T13:30:27Z → 1923-08-11T12:39:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:08–23:56 on the 10th, 23:08–23:56 on the 11th.", "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 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22357 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1923: Friday 10 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": "1923-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-10", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1923 falls on Friday 10 August. Caturdaśī runs from 16:55 on Fri 10 Aug to 16:04 on Sat 11 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1923/shivaratri?on=1923-08-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1300, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1923-08-14T10:46:22+03:26", "utc": "1923-08-14T07:20:22Z", "ms": -1463762378009.8113 }, "end": { "local": "1923-08-15T08:25:40+03:26", "utc": "1923-08-15T04:59:40Z", "ms": -1463684419767.0793 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1923-08-14T10:46:22+03:26", "utc": "1923-08-14T07:20:22Z", "ms": -1463762378009.8113 }, "end": { "local": "1923-08-15T08:25:40+03:26", "utc": "1923-08-15T04:59:40Z", "ms": -1463684419767.0793 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-08-14", "window": { "start": { "local": "1923-08-14T11:08:02+03:26", "utc": "1923-08-14T07:42:02Z", "ms": -1463761078012.749 }, "end": { "local": "1923-08-14T11:56:02+03:26", "utc": "1923-08-14T08:30:02Z", "ms": -1463758198012.749 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-08-15", "window": { "start": { "local": "1923-08-15T11:07:51+03:26", "utc": "1923-08-15T07:41:51Z", "ms": -1463674688915.6016 }, "end": { "local": "1923-08-15T11:55:51+03:26", "utc": "1923-08-15T08:29:51Z", "ms": -1463671808915.6016 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 10:45 on Tue 14 Aug to 08:25 on Wed 15 Aug.", "fact": "1923-08-14T07:20:22Z → 1923-08-15T04:59:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 14th, 11:07–11:55 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1300 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Mashhad, 1923: Tuesday 14 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-14", "confidence": "determinate" } ], "quote": "In Mashhad, Madhusravā Tṛtīyā (Hariyali Teej) 1923 falls on Tuesday 14 August. Tṛtīyā runs from 10:45 on Tue 14 Aug to 08:25 on Wed 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-08-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9731, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-08-15T08:25:40+03:26", "utc": "1923-08-15T04:59:40Z", "ms": -1463684419767.0793 }, "end": { "local": "1923-08-16T05:57:45+03:26", "utc": "1923-08-16T02:31:45Z", "ms": -1463606894710.0435 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1923-08-15T08:25:40+03:26", "utc": "1923-08-15T04:59:40Z", "ms": -1463684419767.0793 }, "end": { "local": "1923-08-16T05:57:45+03:26", "utc": "1923-08-16T02:31:45Z", "ms": -1463606894710.0435 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-08-15", "window": { "start": { "local": "1923-08-15T11:07:51+03:26", "utc": "1923-08-15T07:41:51Z", "ms": -1463674688915.6016 }, "end": { "local": "1923-08-15T11:55:51+03:26", "utc": "1923-08-15T08:29:51Z", "ms": -1463671808915.6016 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-08-16", "window": { "start": { "local": "1923-08-16T11:07:40+03:26", "utc": "1923-08-16T07:41:40Z", "ms": -1463588300364.2021 }, "end": { "local": "1923-08-16T11:55:40+03:26", "utc": "1923-08-16T08:29:40Z", "ms": -1463585420364.2021 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:25 on Wed 15 Aug to 05:57 on Thu 16 Aug.", "fact": "1923-08-15T04:59:40Z → 1923-08-16T02:31:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 15th, 11:07–11:55 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9731 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1923: Wednesday 15 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-15", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1923 falls on Wednesday 15 August. Caturthī runs from 08:25 on Wed 15 Aug to 05:57 on Thu 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-08-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18594, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1923-08-16T05:57:45+03:26", "utc": "1923-08-16T02:31:45Z", "ms": -1463606894710.0435 }, "end": { "local": "1923-08-17T03:27:50+03:26", "utc": "1923-08-17T00:01:50Z", "ms": -1463529489750.3416 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1923-08-16T05:57:45+03:26", "utc": "1923-08-16T02:31:45Z", "ms": -1463606894710.0435 }, "end": { "local": "1923-08-17T03:27:50+03:26", "utc": "1923-08-17T00:01:50Z", "ms": -1463529489750.3416 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-08-16", "window": { "start": { "local": "1923-08-16T11:07:40+03:26", "utc": "1923-08-16T07:41:40Z", "ms": -1463588300364.2021 }, "end": { "local": "1923-08-16T11:55:40+03:26", "utc": "1923-08-16T08:29:40Z", "ms": -1463585420364.2021 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-08-17", "window": { "start": { "local": "1923-08-17T11:07:28+03:26", "utc": "1923-08-17T07:41:28Z", "ms": -1463501912352.6392 }, "end": { "local": "1923-08-17T11:55:28+03:26", "utc": "1923-08-17T08:29:28Z", "ms": -1463499032352.6392 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:57 on Thu 16 Aug to 03:27 on Fri 17 Aug.", "fact": "1923-08-16T02:31:45Z → 1923-08-17T00:01:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 16th, 11:06–11:54 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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: paraviddha → only-day · margin 18594 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Mashhad, 1923: Thursday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-16", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Pañcamī 1923 falls on Thursday 16 August. Pañcamī runs from 05:57 on Thu 16 Aug to 03:27 on Fri 17 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-08-22", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38110, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-08-21T16:48:40+03:26", "utc": "1923-08-21T13:22:40Z", "ms": -1463135839588.8577 }, "end": { "local": "1923-08-22T15:25:18+03:26", "utc": "1923-08-22T11:59:18Z", "ms": -1463054441586.7944 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1923-08-21T16:48:40+03:26", "utc": "1923-08-21T13:22:40Z", "ms": -1463135839588.8577 }, "end": { "local": "1923-08-22T15:25:18+03:26", "utc": "1923-08-22T11:59:18Z", "ms": -1463054441586.7944 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-08-21", "window": { "start": { "local": "1923-08-21T04:49:20+03:26", "utc": "1923-08-21T01:23:20Z", "ms": -1463179000112.4653 }, "end": { "local": "1923-08-21T04:49:20+03:26", "utc": "1923-08-21T01:23:20Z", "ms": -1463179000112.4653 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-08-22", "window": { "start": { "local": "1923-08-22T04:50:08+03:26", "utc": "1923-08-22T01:24:08Z", "ms": -1463092552042.637 }, "end": { "local": "1923-08-22T04:50:08+03:26", "utc": "1923-08-22T01:24:08Z", "ms": -1463092552042.637 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:48 on Tue 21 Aug to 15:24 on Wed 22 Aug.", "fact": "1923-08-21T13:22:40Z → 1923-08-22T11:59:18Z" }, { "step": "kaala", "text": "Sunrise is at 04:48 on the 21st and 04:49 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38110 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Mashhad, 1923: Wednesday 22 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": "1923-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-22", "confidence": "determinate" } ], "quote": "In Mashhad, Putradā Ekādaśī 1923 falls on Wednesday 22 August. Ekādaśī runs from 16:48 on Tue 21 Aug to 15:24 on Wed 22 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-08-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8966, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1923-08-22T15:25:18+03:26", "utc": "1923-08-22T11:59:18Z", "ms": -1463054441586.7944 }, "end": { "local": "1923-08-23T14:23:31+03:26", "utc": "1923-08-23T10:57:31Z", "ms": -1462971749157.858 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1923-08-22T15:25:18+03:26", "utc": "1923-08-22T11:59:18Z", "ms": -1463054441586.7944 }, "end": { "local": "1923-08-23T14:23:31+03:26", "utc": "1923-08-23T10:57:31Z", "ms": -1462971749157.858 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-08-22", "window": { "start": { "local": "1923-08-22T11:06:20+03:26", "utc": "1923-08-22T07:40:20Z", "ms": -1463069980071.3625 }, "end": { "local": "1923-08-22T11:54:20+03:26", "utc": "1923-08-22T08:28:20Z", "ms": -1463067100071.3625 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-08-23", "window": { "start": { "local": "1923-08-23T11:06:05+03:26", "utc": "1923-08-23T07:40:05Z", "ms": -1462983595084.298 }, "end": { "local": "1923-08-23T11:54:05+03:26", "utc": "1923-08-23T08:28:05Z", "ms": -1462980715084.298 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:24 on Wed 22 Aug to 14:23 on Thu 23 Aug.", "fact": "1923-08-22T11:59:18Z → 1923-08-23T10:57:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 22nd, 11:05–11:53 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8966 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Mashhad, 1923: Thursday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "damodara-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-23", "confidence": "determinate" } ], "quote": "In Mashhad, Dāmodara Dvādaśī 1923 falls on Thursday 23 August. Dvādaśī runs from 15:24 on Wed 22 Aug to 14:23 on Thu 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/pradosha-vrata?on=1923-08-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13543, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-08-23T14:23:31+03:26", "utc": "1923-08-23T10:57:31Z", "ms": -1462971749157.858 }, "end": { "local": "1923-08-24T13:46:10+03:26", "utc": "1923-08-24T10:20:10Z", "ms": -1462887589855.6782 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1923-08-23T14:23:31+03:26", "utc": "1923-08-23T10:57:31Z", "ms": -1462971749157.858 }, "end": { "local": "1923-08-24T13:46:10+03:26", "utc": "1923-08-24T10:20:10Z", "ms": -1462887589855.6782 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-08-23", "window": { "start": { "local": "1923-08-23T18:09:14+03:26", "utc": "1923-08-23T14:43:14Z", "ms": -1462958206101.8525 }, "end": { "local": "1923-08-23T19:34:54+03:26", "utc": "1923-08-23T16:08:54Z", "ms": -1462953066112.849 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "1923-08-24", "window": { "start": { "local": "1923-08-24T18:07:55+03:26", "utc": "1923-08-24T14:41:55Z", "ms": -1462871884919.7766 }, "end": { "local": "1923-08-24T19:33:52+03:26", "utc": "1923-08-24T16:07:52Z", "ms": -1462866728049.5857 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:23 on Thu 23 Aug to 13:45 on Fri 24 Aug.", "fact": "1923-08-23T10:57:31Z → 1923-08-24T10:20:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:34 on the 23rd, 18:07–19:33 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 86 of 86 minutes on the 23rd and 0 of 86 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13543 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1923: Thursday 23 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": "1923-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-23", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1923 falls on Thursday 23 August. Trayodaśī runs from 14:23 on Thu 23 Aug to 13:45 on Fri 24 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-08-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-26", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 11491, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-08-25T13:35:59+03:26", "utc": "1923-08-25T10:09:59Z", "ms": -1462801800921.096 }, "end": { "local": "1923-08-26T13:55:11+03:26", "utc": "1923-08-26T10:29:11Z", "ms": -1462714248827.8933 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1923-08-26T01:41:48+03:26", "utc": "1923-08-25T22:15:48Z", "ms": -1462758251736.0024 }, "end": { "local": "1923-08-26T13:55:11+03:26", "utc": "1923-08-26T10:29:11Z", "ms": -1462714248827.8933 } }, "kaala": "day", "days": [ { "local_date": "1923-08-25", "window": { "start": { "local": "1923-08-25T04:52:32+03:26", "utc": "1923-08-25T01:26:32Z", "ms": -1462833208393.3455 }, "end": { "local": "1923-08-26T04:53:19+03:26", "utc": "1923-08-26T01:27:19Z", "ms": -1462746760690.474 } }, "covered_min": 192, "window_min": 1441, "qualifies": true }, { "local_date": "1923-08-26", "window": { "start": { "local": "1923-08-26T04:53:19+03:26", "utc": "1923-08-26T01:27:19Z", "ms": -1462746760690.474 }, "end": { "local": "1923-08-27T04:54:07+03:26", "utc": "1923-08-27T01:28:07Z", "ms": -1462660313071.397 } }, "covered_min": 542, "window_min": 1441, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:35 on Sat 25 Aug to 13:54 on Sun 26 Aug. Its second half begins at 01:41 on Sun 26 Aug.", "fact": "1923-08-25T10:09:59Z → 1923-08-26T10:29:11Z · second half from 1923-08-25T22:15:48Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 04:52 on the 25th, and from 04:52 on the 26th.", "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 192 of 1441 minutes on the 25th and 542 of 1441 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 11491 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Mashhad, 1923: Sunday 26 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-08-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-26", "confidence": "boundary" } ], "quote": "In Mashhad, Rakṣā Bandhana (Rakhi) 1923 falls on Sunday 26 August. The second half of Pūrṇimā runs from 01:41 on Sun 26 Aug to 13:54 on Sun 26 Aug and falls on two days: 542 minutes of it on the 26th, 192 on the 25th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6146, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-08-25T13:35:59+03:26", "utc": "1923-08-25T10:09:59Z", "ms": -1462801800921.096 }, "end": { "local": "1923-08-26T13:55:11+03:26", "utc": "1923-08-26T10:29:11Z", "ms": -1462714248827.8933 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1923-08-25T13:35:59+03:26", "utc": "1923-08-25T10:09:59Z", "ms": -1462801800921.096 }, "end": { "local": "1923-08-26T13:55:11+03:26", "utc": "1923-08-26T10:29:11Z", "ms": -1462714248827.8933 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-08-25", "window": { "start": { "local": "1923-08-25T11:05:34+03:26", "utc": "1923-08-25T07:39:34Z", "ms": -1462810826457.6582 }, "end": { "local": "1923-08-25T11:53:34+03:26", "utc": "1923-08-25T08:27:34Z", "ms": -1462807946457.6582 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-08-26", "window": { "start": { "local": "1923-08-26T11:05:17+03:26", "utc": "1923-08-26T07:39:17Z", "ms": -1462724442783.5315 }, "end": { "local": "1923-08-26T11:53:17+03:26", "utc": "1923-08-26T08:27:17Z", "ms": -1462721562783.5315 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:35 on Sat 25 Aug to 13:54 on Sun 26 Aug.", "fact": "1923-08-25T10:09:59Z → 1923-08-26T10:29:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 25th, 11:04–11:52 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6146 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Mashhad, 1923: Sunday 26 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": "1923-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-26", "confidence": "determinate" } ], "quote": "In Mashhad, Ṛṣi Tarpaṇa 1923 falls on Sunday 26 August. Pūrṇimā runs from 13:35 on Sat 25 Aug to 13:54 on Sun 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11255, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1923-08-27T14:45:02+03:26", "utc": "1923-08-27T11:19:02Z", "ms": -1462624858479.6091 }, "end": { "local": "1923-08-28T16:05:10+03:26", "utc": "1923-08-28T12:39:10Z", "ms": -1462533650200.8718 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-08-27T14:45:02+03:26", "utc": "1923-08-27T11:19:02Z", "ms": -1462624858479.6091 }, "end": { "local": "1923-08-28T16:05:10+03:26", "utc": "1923-08-28T12:39:10Z", "ms": -1462533650200.8718 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-08-27", "window": { "start": { "local": "1923-08-27T18:40:20+03:26", "utc": "1923-08-27T15:14:20Z", "ms": -1462610740400.205 }, "end": { "local": "1923-08-27T18:40:20+03:26", "utc": "1923-08-27T15:14:20Z", "ms": -1462610740400.205 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-08-28", "window": { "start": { "local": "1923-08-28T19:12:45+03:26", "utc": "1923-08-28T15:46:45Z", "ms": -1462522395480.8542 }, "end": { "local": "1923-08-28T19:12:45+03:26", "utc": "1923-08-28T15:46:45Z", "ms": -1462522395480.8542 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 14:44 on Mon 27 Aug to 16:04 on Tue 28 Aug.", "fact": "1923-08-27T11:19:02Z → 1923-08-28T12:39:10Z" }, { "step": "kaala", "text": "Moonrise is at 18:39 on the 27th and 19:12 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11255 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Mashhad, 1923: Monday 27 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": "1923-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-27", "confidence": "determinate" } ], "quote": "In Mashhad, Aśūnya Śayana Vrata 1923 falls on Monday 27 August. Dvitīyā runs from 14:44 on Mon 27 Aug to 16:04 on Tue 28 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15146, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1923-08-28T16:05:10+03:26", "utc": "1923-08-28T12:39:10Z", "ms": -1462533650200.8718 }, "end": { "local": "1923-08-29T17:53:01+03:26", "utc": "1923-08-29T14:27:01Z", "ms": -1462440779358.6406 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-08-28T16:05:10+03:26", "utc": "1923-08-28T12:39:10Z", "ms": -1462533650200.8718 }, "end": { "local": "1923-08-29T17:53:01+03:26", "utc": "1923-08-29T14:27:01Z", "ms": -1462440779358.6406 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-08-28", "window": { "start": { "local": "1923-08-28T11:04:43+03:26", "utc": "1923-08-28T07:38:43Z", "ms": -1462551676623.811 }, "end": { "local": "1923-08-28T11:52:43+03:26", "utc": "1923-08-28T08:26:43Z", "ms": -1462548796623.811 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-08-29", "window": { "start": { "local": "1923-08-29T11:04:26+03:26", "utc": "1923-08-29T07:38:26Z", "ms": -1462465294101.6538 }, "end": { "local": "1923-08-29T11:52:26+03:26", "utc": "1923-08-29T08:26:26Z", "ms": -1462462414101.6538 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:04 on Tue 28 Aug to 17:52 on Wed 29 Aug.", "fact": "1923-08-28T12:39:10Z → 1923-08-29T14:27:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 28th, 11:03–11:51 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15146 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Mashhad, 1923: Wednesday 29 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": "1923-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-29", "confidence": "determinate" } ], "quote": "In Mashhad, Kajjalī Tṛtīyā (Kajari Teej) 1923 falls on Wednesday 29 August. Tṛtīyā runs from 16:04 on Tue 28 Aug to 17:52 on Wed 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 489, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-08-29T17:53:01+03:26", "utc": "1923-08-29T14:27:01Z", "ms": -1462440779358.6406 }, "end": { "local": "1923-08-30T20:03:11+03:26", "utc": "1923-08-30T16:37:11Z", "ms": -1462346568933.3303 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-08-29T17:53:01+03:26", "utc": "1923-08-29T14:27:01Z", "ms": -1462440779358.6406 }, "end": { "local": "1923-08-30T20:03:11+03:26", "utc": "1923-08-30T16:37:11Z", "ms": -1462346568933.3303 } }, "kaala": "sayahna", "days": [ { "local_date": "1923-08-29", "window": { "start": { "local": "1923-08-29T15:24:04+03:26", "utc": "1923-08-29T11:58:04Z", "ms": -1462449715724.1194 }, "end": { "local": "1923-08-29T18:01:10+03:26", "utc": "1923-08-29T14:35:10Z", "ms": -1462440290139.0967 } }, "covered_min": 8, "window_min": 157, "qualifies": true }, { "local_date": "1923-08-30", "window": { "start": { "local": "1923-08-30T15:23:07+03:26", "utc": "1923-08-30T11:57:07Z", "ms": -1462363372684.0305 }, "end": { "local": "1923-08-30T17:59:47+03:26", "utc": "1923-08-30T14:33:47Z", "ms": -1462353973188.7874 } }, "covered_min": 157, "window_min": 157, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:52 on Wed 29 Aug to 20:02 on Thu 30 Aug.", "fact": "1923-08-29T14:27:01Z → 1923-08-30T16:37:11Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:23–18:00 on the 29th, 15:22–17:59 on the 30th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 8 of 157 minutes on the 29th and 157 of 157 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both late afternoons qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 489 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Mashhad, 1923: Wednesday 29 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": "1923-08-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-29", "confidence": "determinate" } ], "quote": "In Mashhad, Bahulā Caturthī 1923 falls on Wednesday 29 August. Caturthī runs from 17:52 on Wed 29 Aug to 20:02 on Thu 30 Aug and covers 8 of 157 minutes of sāyāhna that late afternoon. It also reaches the next late afternoon for 157 minutes; by the rule the first late afternoon is taken.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/sankashta-chaturthi?on=1923-08-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 751, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-08-29T17:53:01+03:26", "utc": "1923-08-29T14:27:01Z", "ms": -1462440779358.6406 }, "end": { "local": "1923-08-30T20:03:11+03:26", "utc": "1923-08-30T16:37:11Z", "ms": -1462346568933.3303 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-08-29T17:53:01+03:26", "utc": "1923-08-29T14:27:01Z", "ms": -1462440779358.6406 }, "end": { "local": "1923-08-30T20:03:11+03:26", "utc": "1923-08-30T16:37:11Z", "ms": -1462346568933.3303 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-08-29", "window": { "start": { "local": "1923-08-29T19:44:13+03:26", "utc": "1923-08-29T16:18:13Z", "ms": -1462434106646.685 }, "end": { "local": "1923-08-29T19:44:13+03:26", "utc": "1923-08-29T16:18:13Z", "ms": -1462434106646.685 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-08-30", "window": { "start": { "local": "1923-08-30T20:15:42+03:26", "utc": "1923-08-30T16:49:42Z", "ms": -1462345818190.171 }, "end": { "local": "1923-08-30T20:15:42+03:26", "utc": "1923-08-30T16:49:42Z", "ms": -1462345818190.171 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:52 on Wed 29 Aug to 20:02 on Thu 30 Aug.", "fact": "1923-08-29T14:27:01Z → 1923-08-30T16:37:11Z" }, { "step": "kaala", "text": "Moonrise is at 19:43 on the 29th and 20:15 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 751 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1923: Wednesday 29 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": "1923-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-08-29", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1923 falls on Wednesday 29 August. Caturthī runs from 17:52 on Wed 29 Aug to 20:02 on Thu 30 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/sankashta-chaturthi?on=1923-08-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36528, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1923-08-31T22:27:19+03:26", "utc": "1923-08-31T19:01:19Z", "ms": -1462251521291.0222 }, "end": { "local": "1923-09-02T00:54:25+03:26", "utc": "1923-09-01T21:28:25Z", "ms": -1462156295359.5005 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-08-31T22:27:19+03:26", "utc": "1923-08-31T19:01:19Z", "ms": -1462251521291.0222 }, "end": { "local": "1923-09-02T00:54:25+03:26", "utc": "1923-09-01T21:28:25Z", "ms": -1462156295359.5005 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-09-01", "window": { "start": { "local": "1923-09-01T11:03:31+03:26", "utc": "1923-09-01T07:37:31Z", "ms": -1462206148546.8718 }, "end": { "local": "1923-09-01T11:51:31+03:26", "utc": "1923-09-01T08:25:31Z", "ms": -1462203268546.8718 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-09-02", "window": { "start": { "local": "1923-09-02T11:03:13+03:26", "utc": "1923-09-02T07:37:13Z", "ms": -1462119767305.573 }, "end": { "local": "1923-09-02T11:51:13+03:26", "utc": "1923-09-02T08:25:13Z", "ms": -1462116887305.573 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:26 on Fri 31 Aug to 00:53 on Sun 2 Sep.", "fact": "1923-08-31T19:01:19Z → 1923-09-01T21:28:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 1st, 11:02–11:50 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36528 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Mashhad, 1923: Saturday 1 September.", "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": "1923-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-01", "confidence": "determinate" } ], "quote": "In Mashhad, Hala Ṣaṣṭhī 1923 falls on Saturday 1 September. Ṣaṣṭhī runs from 22:26 on Fri 31 Aug to 00:53 on Sun 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28257, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1923-09-02T00:54:25+03:26", "utc": "1923-09-01T21:28:25Z", "ms": -1462156295359.5005 }, "end": { "local": "1923-09-03T03:11:57+03:26", "utc": "1923-09-02T23:45:57Z", "ms": -1462061643116.0042 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-02T00:54:25+03:26", "utc": "1923-09-01T21:28:25Z", "ms": -1462156295359.5005 }, "end": { "local": "1923-09-03T03:11:57+03:26", "utc": "1923-09-02T23:45:57Z", "ms": -1462061643116.0042 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-09-02", "window": { "start": { "local": "1923-09-02T11:03:13+03:26", "utc": "1923-09-02T07:37:13Z", "ms": -1462119767305.573 }, "end": { "local": "1923-09-02T11:51:13+03:26", "utc": "1923-09-02T08:25:13Z", "ms": -1462116887305.573 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-09-03", "window": { "start": { "local": "1923-09-03T11:02:54+03:26", "utc": "1923-09-03T07:36:54Z", "ms": -1462033386339.6304 }, "end": { "local": "1923-09-03T11:50:54+03:26", "utc": "1923-09-03T08:24:54Z", "ms": -1462030506339.6304 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:53 on Sun 2 Sep to 03:11 on Mon 3 Sep.", "fact": "1923-09-01T21:28:25Z → 1923-09-02T23:45:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 2nd, 11:02–11:50 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28257 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Mashhad, 1923: Sunday 2 September.", "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": "1923-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-02", "confidence": "determinate" } ], "quote": "In Mashhad, Śītalā Saptamī 1923 falls on Sunday 2 September. Saptamī runs from 00:53 on Sun 2 Sep to 03:11 on Mon 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12021, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1923-09-03T03:11:57+03:26", "utc": "1923-09-02T23:45:57Z", "ms": -1462061643116.0042 }, "end": { "local": "1923-09-04T05:07:26+03:26", "utc": "1923-09-04T01:41:26Z", "ms": -1461968314423.9805 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-03T03:11:57+03:26", "utc": "1923-09-02T23:45:57Z", "ms": -1462061643116.0042 }, "end": { "local": "1923-09-04T05:07:26+03:26", "utc": "1923-09-04T01:41:26Z", "ms": -1461968314423.9805 } }, "kaala": "nishita", "days": [ { "local_date": "1923-09-02", "window": { "start": { "local": "1923-09-02T23:03:36+03:26", "utc": "1923-09-02T19:37:36Z", "ms": -1462076543711.9932 }, "end": { "local": "1923-09-02T23:51:36+03:26", "utc": "1923-09-02T20:25:36Z", "ms": -1462073663711.9932 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-09-03", "window": { "start": { "local": "1923-09-03T23:03:17+03:26", "utc": "1923-09-03T19:37:17Z", "ms": -1461990162765.1035 }, "end": { "local": "1923-09-03T23:51:17+03:26", "utc": "1923-09-03T20:25:17Z", "ms": -1461987282765.1035 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:11 on Mon 3 Sep to 05:06 on Tue 4 Sep.", "fact": "1923-09-02T23:45:57Z → 1923-09-04T01:41:26Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:03–23:51 on the 2nd, 23:02–23:50 on the 3rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12021 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Mashhad, 1923: Monday 3 September.", "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": "1923-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-03", "confidence": "determinate" } ], "quote": "In Mashhad, Janmāṣṭamī 1923 falls on Monday 3 September. Aṣṭamī runs from 03:11 on Mon 3 Sep to 05:06 on Tue 4 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-09-07", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7642, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-09-06T07:12:18+03:26", "utc": "1923-09-06T03:46:18Z", "ms": -1461788022402.1995 }, "end": { "local": "1923-09-07T07:10:09+03:26", "utc": "1923-09-07T03:44:09Z", "ms": -1461701751351.6326 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-06T07:12:18+03:26", "utc": "1923-09-06T03:46:18Z", "ms": -1461788022402.1995 }, "end": { "local": "1923-09-07T07:10:09+03:26", "utc": "1923-09-07T03:44:09Z", "ms": -1461701751351.6326 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-09-06", "window": { "start": { "local": "1923-09-06T05:02:00+03:26", "utc": "1923-09-06T01:36:00Z", "ms": -1461795840271.664 }, "end": { "local": "1923-09-06T05:02:00+03:26", "utc": "1923-09-06T01:36:00Z", "ms": -1461795840271.664 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-09-07", "window": { "start": { "local": "1923-09-07T05:02:47+03:26", "utc": "1923-09-07T01:36:47Z", "ms": -1461709393202.2769 }, "end": { "local": "1923-09-07T05:02:47+03:26", "utc": "1923-09-07T01:36:47Z", "ms": -1461709393202.2769 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:11 on Thu 6 Sep to 07:09 on Fri 7 Sep.", "fact": "1923-09-06T03:46:18Z → 1923-09-07T03:44:09Z" }, { "step": "kaala", "text": "Sunrise is at 05:01 on the 6th and 05:02 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7642 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Mashhad, 1923: Friday 7 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": "1923-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-07", "confidence": "determinate" } ], "quote": "In Mashhad, Ajā Ekādaśī 1923 falls on Friday 7 September. Ekādaśī runs from 07:11 on Thu 6 Sep to 07:09 on Fri 7 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pradosha-vrata?on=1923-09-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34689, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-09-08T06:23:30+03:26", "utc": "1923-09-08T02:57:30Z", "ms": -1461618150000.819 }, "end": { "local": "1923-09-09T04:55:25+03:26", "utc": "1923-09-09T01:29:25Z", "ms": -1461537035306.158 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-08T06:23:30+03:26", "utc": "1923-09-08T02:57:30Z", "ms": -1461618150000.819 }, "end": { "local": "1923-09-09T04:55:25+03:26", "utc": "1923-09-09T01:29:25Z", "ms": -1461537035306.158 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-09-07", "window": { "start": { "local": "1923-09-07T17:48:23+03:26", "utc": "1923-09-07T14:22:23Z", "ms": -1461663456559.7515 }, "end": { "local": "1923-09-07T19:18:25+03:26", "utc": "1923-09-07T15:52:25Z", "ms": -1461658055171.6387 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1923-09-08", "window": { "start": { "local": "1923-09-08T17:46:56+03:26", "utc": "1923-09-08T14:20:56Z", "ms": -1461577143918.428 }, "end": { "local": "1923-09-08T19:17:15+03:26", "utc": "1923-09-08T15:51:15Z", "ms": -1461571724610.2466 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:22 on Sat 8 Sep to 04:54 on Sun 9 Sep.", "fact": "1923-09-08T02:57:30Z → 1923-09-09T01:29:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:17 on the 7th, 17:46–19:16 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 7th and 90 of 90 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34689 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1923: Saturday 8 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-08", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1923 falls on Saturday 8 September. Trayodaśī runs from 06:22 on Sat 8 Sep to 04:54 on Sun 9 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-09-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27315, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-09-09T04:55:25+03:26", "utc": "1923-09-09T01:29:25Z", "ms": -1461537035306.158 }, "end": { "local": "1923-09-10T02:51:21+03:26", "utc": "1923-09-09T23:25:21Z", "ms": -1461458078845.1968 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-09T04:55:25+03:26", "utc": "1923-09-09T01:29:25Z", "ms": -1461537035306.158 }, "end": { "local": "1923-09-10T02:51:21+03:26", "utc": "1923-09-09T23:25:21Z", "ms": -1461458078845.1968 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-09-08", "window": { "start": { "local": "1923-09-08T17:46:56+03:26", "utc": "1923-09-08T14:20:56Z", "ms": -1461577143918.428 }, "end": { "local": "1923-09-08T19:17:15+03:26", "utc": "1923-09-08T15:51:15Z", "ms": -1461571724610.2466 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1923-09-09", "window": { "start": { "local": "1923-09-09T17:45:28+03:26", "utc": "1923-09-09T14:19:28Z", "ms": -1461490831615.9731 }, "end": { "local": "1923-09-09T19:16:06+03:26", "utc": "1923-09-09T15:50:06Z", "ms": -1461485394343.5474 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:54 on Sun 9 Sep to 02:50 on Mon 10 Sep.", "fact": "1923-09-09T01:29:25Z → 1923-09-09T23:25:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:16 on the 8th, 17:44–19:15 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 8th and 91 of 91 on the 9th.", "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 27315 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Mashhad, 1923: Sunday 9 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-09", "confidence": "determinate" } ], "quote": "In Mashhad, Aghora Caturdaśī 1923 falls on Sunday 9 September. Caturdaśī runs from 04:54 on Sun 9 Sep to 02:50 on Mon 10 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/shivaratri?on=1923-09-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10923, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-09-09T04:55:25+03:26", "utc": "1923-09-09T01:29:25Z", "ms": -1461537035306.158 }, "end": { "local": "1923-09-10T02:51:21+03:26", "utc": "1923-09-09T23:25:21Z", "ms": -1461458078845.1968 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-09T04:55:25+03:26", "utc": "1923-09-09T01:29:25Z", "ms": -1461537035306.158 }, "end": { "local": "1923-09-10T02:51:21+03:26", "utc": "1923-09-09T23:25:21Z", "ms": -1461458078845.1968 } }, "kaala": "nishita", "days": [ { "local_date": "1923-09-08", "window": { "start": { "local": "1923-09-08T23:01:38+03:26", "utc": "1923-09-08T19:35:38Z", "ms": -1461558261512.748 }, "end": { "local": "1923-09-08T23:49:38+03:26", "utc": "1923-09-08T20:23:38Z", "ms": -1461555381512.748 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-09-09", "window": { "start": { "local": "1923-09-09T23:01:18+03:26", "utc": "1923-09-09T19:35:18Z", "ms": -1461471881844.3765 }, "end": { "local": "1923-09-09T23:49:18+03:26", "utc": "1923-09-09T20:23:18Z", "ms": -1461469001844.3765 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:54 on Sun 9 Sep to 02:50 on Mon 10 Sep.", "fact": "1923-09-09T01:29:25Z → 1923-09-09T23:25:21Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:01–23:49 on the 8th, 23:00–23:48 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10923 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1923: Sunday 9 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": "1923-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-09", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1923 falls on Sunday 9 September. Caturdaśī runs from 04:54 on Sun 9 Sep to 02:50 on Mon 10 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1923/shivaratri?on=1923-09-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34591, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1923-09-11T00:18:26+03:26", "utc": "1923-09-10T20:52:26Z", "ms": -1461380853833.4753 }, "end": { "local": "1923-09-11T21:24:44+03:26", "utc": "1923-09-11T17:58:44Z", "ms": -1461304875615.1067 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-11T00:18:26+03:26", "utc": "1923-09-10T20:52:26Z", "ms": -1461380853833.4753 }, "end": { "local": "1923-09-11T21:24:44+03:26", "utc": "1923-09-11T17:58:44Z", "ms": -1461304875615.1067 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-09-10", "window": { "start": { "local": "1923-09-10T11:00:34+03:26", "utc": "1923-09-10T07:34:34Z", "ms": -1461428725849.8508 }, "end": { "local": "1923-09-10T11:48:34+03:26", "utc": "1923-09-10T08:22:34Z", "ms": -1461425845849.8508 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-09-11", "window": { "start": { "local": "1923-09-11T11:00:14+03:26", "utc": "1923-09-11T07:34:14Z", "ms": -1461342346484.4565 }, "end": { "local": "1923-09-11T11:48:14+03:26", "utc": "1923-09-11T08:22:14Z", "ms": -1461339466484.4565 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 00:17 on Tue 11 Sep to 21:24 on Tue 11 Sep.", "fact": "1923-09-10T20:52:26Z → 1923-09-11T17:58:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 10th, 10:59–11:47 on the 11th.", "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 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34591 s" }, { "step": "ruling", "text": "Rudra Vrata, Mashhad, 1923: Tuesday 11 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": "1923-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-11", "confidence": "determinate" } ], "quote": "In Mashhad, Rudra Vrata 1923 falls on Tuesday 11 September. Pratipadā runs from 00:17 on Tue 11 Sep to 21:24 on Tue 11 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12091, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1923-09-12T18:18:46+03:26", "utc": "1923-09-12T14:52:46Z", "ms": -1461229633803.29 }, "end": { "local": "1923-09-13T15:09:03+03:26", "utc": "1923-09-13T11:43:03Z", "ms": -1461154617409.0688 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-12T18:18:46+03:26", "utc": "1923-09-12T14:52:46Z", "ms": -1461229633803.29 }, "end": { "local": "1923-09-13T15:09:03+03:26", "utc": "1923-09-13T11:43:03Z", "ms": -1461154617409.0688 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-09-12", "window": { "start": { "local": "1923-09-12T10:59:53+03:26", "utc": "1923-09-12T07:33:53Z", "ms": -1461255967251.3606 }, "end": { "local": "1923-09-12T11:47:53+03:26", "utc": "1923-09-12T08:21:53Z", "ms": -1461253087251.3606 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-09-13", "window": { "start": { "local": "1923-09-13T10:59:32+03:26", "utc": "1923-09-13T07:33:32Z", "ms": -1461169588136.417 }, "end": { "local": "1923-09-13T11:47:32+03:26", "utc": "1923-09-13T08:21:32Z", "ms": -1461166708136.417 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 18:18 on Wed 12 Sep to 15:08 on Thu 13 Sep.", "fact": "1923-09-12T14:52:46Z → 1923-09-13T11:43:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 12th, 10:59–11:47 on the 13th.", "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 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12091 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Mashhad, 1923: Thursday 13 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": "1923-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-13", "confidence": "determinate" } ], "quote": "In Mashhad, Haritālikā Vrata (Hartalika Teej) 1923 falls on Thursday 13 September. Tṛtīyā runs from 18:18 on Wed 12 Sep to 15:08 on Thu 13 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 994, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-09-13T15:09:03+03:26", "utc": "1923-09-13T11:43:03Z", "ms": -1461154617409.0688 }, "end": { "local": "1923-09-14T12:03:45+03:26", "utc": "1923-09-14T08:37:45Z", "ms": -1461079335457.5469 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-13T15:09:03+03:26", "utc": "1923-09-13T11:43:03Z", "ms": -1461154617409.0688 }, "end": { "local": "1923-09-14T12:03:45+03:26", "utc": "1923-09-14T08:37:45Z", "ms": -1461079335457.5469 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-09-13", "window": { "start": { "local": "1923-09-13T10:59:32+03:26", "utc": "1923-09-13T07:33:32Z", "ms": -1461169588136.417 }, "end": { "local": "1923-09-13T11:47:32+03:26", "utc": "1923-09-13T08:21:32Z", "ms": -1461166708136.417 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-09-14", "window": { "start": { "local": "1923-09-14T10:59:11+03:26", "utc": "1923-09-14T07:33:11Z", "ms": -1461083209124.727 }, "end": { "local": "1923-09-14T11:47:11+03:26", "utc": "1923-09-14T08:21:11Z", "ms": -1461080329124.727 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:08 on Thu 13 Sep to 12:03 on Fri 14 Sep.", "fact": "1923-09-13T11:43:03Z → 1923-09-14T08:37:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 13th, 10:58–11:46 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 994 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Mashhad, 1923: Friday 14 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": "1923-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-14", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṇeśa Caturthī 1923 falls on Friday 14 September. Caturthī runs from 15:08 on Thu 13 Sep to 12:03 on Fri 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 994, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1923-09-14T12:03:45+03:26", "utc": "1923-09-14T08:37:45Z", "ms": -1461079335457.5469 }, "end": { "local": "1923-09-15T09:10:25+03:26", "utc": "1923-09-15T05:44:25Z", "ms": -1461003335367.1687 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-14T12:03:45+03:26", "utc": "1923-09-14T08:37:45Z", "ms": -1461079335457.5469 }, "end": { "local": "1923-09-15T09:10:25+03:26", "utc": "1923-09-15T05:44:25Z", "ms": -1461003335367.1687 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-09-14", "window": { "start": { "local": "1923-09-14T10:59:11+03:26", "utc": "1923-09-14T07:33:11Z", "ms": -1461083209124.727 }, "end": { "local": "1923-09-14T11:47:11+03:26", "utc": "1923-09-14T08:21:11Z", "ms": -1461080329124.727 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-09-15", "window": { "start": { "local": "1923-09-15T10:58:50+03:26", "utc": "1923-09-15T07:32:50Z", "ms": -1460996830200.5115 }, "end": { "local": "1923-09-15T11:46:50+03:26", "utc": "1923-09-15T08:20:50Z", "ms": -1460993950200.5115 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:03 on Fri 14 Sep to 09:09 on Sat 15 Sep.", "fact": "1923-09-14T08:37:45Z → 1923-09-15T05:44:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:58–11:46 on the 14th, 10:58–11:46 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: disputed → second-day · margin 994 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Mashhad, 1923: Saturday 15 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-14", "confidence": "determinate" } ], "quote": "In Mashhad, Ṛṣi Pañcamī 1923 falls on Saturday 15 September. Pañcamī runs from 12:03 on Fri 14 Sep to 09:09 on Sat 15 Sep, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6505, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1923-09-15T09:10:25+03:26", "utc": "1923-09-15T05:44:25Z", "ms": -1461003335367.1687 }, "end": { "local": "1923-09-16T06:35:40+03:26", "utc": "1923-09-16T03:09:40Z", "ms": -1460926220294.9675 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-15T09:10:25+03:26", "utc": "1923-09-15T05:44:25Z", "ms": -1461003335367.1687 }, "end": { "local": "1923-09-16T06:35:40+03:26", "utc": "1923-09-16T03:09:40Z", "ms": -1460926220294.9675 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-09-15", "window": { "start": { "local": "1923-09-15T10:58:50+03:26", "utc": "1923-09-15T07:32:50Z", "ms": -1460996830200.5115 }, "end": { "local": "1923-09-15T11:46:50+03:26", "utc": "1923-09-15T08:20:50Z", "ms": -1460993950200.5115 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-09-16", "window": { "start": { "local": "1923-09-16T10:58:29+03:26", "utc": "1923-09-16T07:32:29Z", "ms": -1460910451346.4756 }, "end": { "local": "1923-09-16T11:46:29+03:26", "utc": "1923-09-16T08:20:29Z", "ms": -1460907571346.4756 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:09 on Sat 15 Sep to 06:35 on Sun 16 Sep.", "fact": "1923-09-15T05:44:25Z → 1923-09-16T03:09:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:58–11:46 on the 15th, 10:57–11:45 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6505 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Mashhad, 1923: Saturday 15 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-15", "confidence": "determinate" } ], "quote": "In Mashhad, Sūrya Ṣaṣṭhī (Bhādrapada) 1923 falls on Saturday 15 September. Ṣaṣṭhī runs from 09:09 on Sat 15 Sep to 06:35 on Sun 16 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15769, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1923-09-16T06:35:40+03:26", "utc": "1923-09-16T03:09:40Z", "ms": -1460926220294.9675 }, "end": { "local": "1923-09-17T04:24:55+03:26", "utc": "1923-09-17T00:58:55Z", "ms": -1460847665123.1255 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-16T06:35:40+03:26", "utc": "1923-09-16T03:09:40Z", "ms": -1460926220294.9675 }, "end": { "local": "1923-09-17T04:24:55+03:26", "utc": "1923-09-17T00:58:55Z", "ms": -1460847665123.1255 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-09-16", "window": { "start": { "local": "1923-09-16T10:58:29+03:26", "utc": "1923-09-16T07:32:29Z", "ms": -1460910451346.4756 }, "end": { "local": "1923-09-16T11:46:29+03:26", "utc": "1923-09-16T08:20:29Z", "ms": -1460907571346.4756 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-09-17", "window": { "start": { "local": "1923-09-17T10:58:07+03:26", "utc": "1923-09-17T07:32:07Z", "ms": -1460824072545.0361 }, "end": { "local": "1923-09-17T11:46:07+03:26", "utc": "1923-09-17T08:20:07Z", "ms": -1460821192545.0361 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:35 on Sun 16 Sep to 04:24 on Mon 17 Sep.", "fact": "1923-09-16T03:09:40Z → 1923-09-17T00:58:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:57–11:45 on the 16th, 10:57–11:45 on the 17th.", "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 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 15769 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Mashhad, 1923: Sunday 16 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": "1923-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-16", "confidence": "determinate" } ], "quote": "In Mashhad, Muktābharaṇa Vrata 1923 falls on Sunday 16 September. Saptamī runs from 06:35 on Sun 16 Sep to 04:24 on Mon 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23593, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1923-09-17T04:24:55+03:26", "utc": "1923-09-17T00:58:55Z", "ms": -1460847665123.1255 }, "end": { "local": "1923-09-18T02:42:11+03:26", "utc": "1923-09-17T23:16:11Z", "ms": -1460767429199.426 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-17T04:24:55+03:26", "utc": "1923-09-17T00:58:55Z", "ms": -1460847665123.1255 }, "end": { "local": "1923-09-18T02:42:11+03:26", "utc": "1923-09-17T23:16:11Z", "ms": -1460767429199.426 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-09-17", "window": { "start": { "local": "1923-09-17T10:58:07+03:26", "utc": "1923-09-17T07:32:07Z", "ms": -1460824072545.0361 }, "end": { "local": "1923-09-17T11:46:07+03:26", "utc": "1923-09-17T08:20:07Z", "ms": -1460821192545.0361 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-09-18", "window": { "start": { "local": "1923-09-18T10:57:46+03:26", "utc": "1923-09-18T07:31:46Z", "ms": -1460737693775.8667 }, "end": { "local": "1923-09-18T11:45:46+03:26", "utc": "1923-09-18T08:19:46Z", "ms": -1460734813775.8667 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:24 on Mon 17 Sep to 02:41 on Tue 18 Sep.", "fact": "1923-09-17T00:58:55Z → 1923-09-17T23:16:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:57–11:45 on the 17th, 10:57–11:45 on the 18th.", "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 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23593 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Mashhad, 1923: Monday 17 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": "1923-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-17", "confidence": "determinate" } ], "quote": "In Mashhad, Rādhāṣṭamī 1923 falls on Monday 17 September. Aṣṭamī runs from 04:24 on Mon 17 Sep to 02:41 on Tue 18 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-09-20", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15824, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-09-20T00:49:14+03:26", "utc": "1923-09-19T21:23:14Z", "ms": -1460601405604.437 }, "end": { "local": "1923-09-21T00:39:46+03:26", "utc": "1923-09-20T21:13:46Z", "ms": -1460515573541.9614 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-20T00:49:14+03:26", "utc": "1923-09-19T21:23:14Z", "ms": -1460601405604.437 }, "end": { "local": "1923-09-21T00:39:46+03:26", "utc": "1923-09-20T21:13:46Z", "ms": -1460515573541.9614 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-09-20", "window": { "start": { "local": "1923-09-20T05:12:59+03:26", "utc": "1923-09-20T01:46:59Z", "ms": -1460585581108.9412 }, "end": { "local": "1923-09-20T05:12:59+03:26", "utc": "1923-09-20T01:46:59Z", "ms": -1460585581108.9412 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-09-21", "window": { "start": { "local": "1923-09-21T05:13:46+03:26", "utc": "1923-09-21T01:47:46Z", "ms": -1460499133776.0771 }, "end": { "local": "1923-09-21T05:13:46+03:26", "utc": "1923-09-21T01:47:46Z", "ms": -1460499133776.0771 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:48 on Thu 20 Sep to 00:39 on Fri 21 Sep.", "fact": "1923-09-19T21:23:14Z → 1923-09-20T21:13:46Z" }, { "step": "kaala", "text": "Sunrise is at 05:12 on the 20th and 05:13 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15824 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Mashhad, 1923: Thursday 20 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": "1923-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-20", "confidence": "determinate" } ], "quote": "In Mashhad, Parivartanī Ekādaśī 1923 falls on Thursday 20 September. Ekādaśī runs from 00:48 on Thu 20 Sep to 00:39 on Fri 21 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-09-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35763, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1923-09-21T00:39:46+03:26", "utc": "1923-09-20T21:13:46Z", "ms": -1460515573541.9614 }, "end": { "local": "1923-09-22T01:00:19+03:26", "utc": "1923-09-21T21:34:19Z", "ms": -1460427941118.97 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-21T00:39:46+03:26", "utc": "1923-09-20T21:13:46Z", "ms": -1460515573541.9614 }, "end": { "local": "1923-09-22T01:00:19+03:26", "utc": "1923-09-21T21:34:19Z", "ms": -1460427941118.97 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-09-21", "window": { "start": { "local": "1923-09-21T10:56:43+03:26", "utc": "1923-09-21T07:30:43Z", "ms": -1460478557451.9607 }, "end": { "local": "1923-09-21T11:44:43+03:26", "utc": "1923-09-21T08:18:43Z", "ms": -1460475677451.9607 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-09-22", "window": { "start": { "local": "1923-09-22T10:56:21+03:26", "utc": "1923-09-22T07:30:21Z", "ms": -1460392178597.292 }, "end": { "local": "1923-09-22T11:44:21+03:26", "utc": "1923-09-22T08:18:21Z", "ms": -1460389298597.292 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:39 on Fri 21 Sep to 00:59 on Sat 22 Sep.", "fact": "1923-09-20T21:13:46Z → 1923-09-21T21:34:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 21st, 10:55–11:43 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35763 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Mashhad, 1923: Friday 21 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": "1923-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-21", "confidence": "determinate" } ], "quote": "In Mashhad, Vāmana Jayantī 1923 falls on Friday 21 September. Dvādaśī runs from 00:39 on Fri 21 Sep to 00:59 on Sat 22 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/pradosha-vrata?on=1923-09-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21505, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-09-22T01:00:19+03:26", "utc": "1923-09-21T21:34:19Z", "ms": -1460427941118.97 }, "end": { "local": "1923-09-23T01:49:00+03:26", "utc": "1923-09-22T22:23:00Z", "ms": -1460338619959.513 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-22T01:00:19+03:26", "utc": "1923-09-21T21:34:19Z", "ms": -1460427941118.97 }, "end": { "local": "1923-09-23T01:49:00+03:26", "utc": "1923-09-22T22:23:00Z", "ms": -1460338619959.513 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-09-21", "window": { "start": { "local": "1923-09-21T17:27:39+03:26", "utc": "1923-09-21T14:01:39Z", "ms": -1460455101127.8442 }, "end": { "local": "1923-09-21T19:01:54+03:26", "utc": "1923-09-21T15:35:54Z", "ms": -1460449445824.3467 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1923-09-22", "window": { "start": { "local": "1923-09-22T17:26:09+03:26", "utc": "1923-09-22T14:00:09Z", "ms": -1460368790842.971 }, "end": { "local": "1923-09-22T19:00:43+03:26", "utc": "1923-09-22T15:34:43Z", "ms": -1460363117239.9062 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:59 on Sat 22 Sep to 01:48 on Sun 23 Sep.", "fact": "1923-09-21T21:34:19Z → 1923-09-22T22:23:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:27–19:01 on the 21st, 17:25–19:00 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 21st and 95 of 95 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 21505 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1923: Saturday 22 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": "1923-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-22", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1923 falls on Saturday 22 September. Trayodaśī runs from 00:59 on Sat 22 Sep to 01:48 on Sun 23 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-09-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7952, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-09-23T01:49:00+03:26", "utc": "1923-09-22T22:23:00Z", "ms": -1460338619959.513 }, "end": { "local": "1923-09-24T03:03:37+03:26", "utc": "1923-09-23T23:37:37Z", "ms": -1460247743493.158 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1923-09-23T01:49:00+03:26", "utc": "1923-09-22T22:23:00Z", "ms": -1460338619959.513 }, "end": { "local": "1923-09-24T03:03:37+03:26", "utc": "1923-09-23T23:37:37Z", "ms": -1460247743493.158 } }, "kaala": "udaya-3", "days": [ { "local_date": "1923-09-23", "window": { "start": { "local": "1923-09-23T05:15:21+03:26", "utc": "1923-09-23T01:49:21Z", "ms": -1460326238819.9866 }, "end": { "local": "1923-09-23T07:41:13+03:26", "utc": "1923-09-23T04:15:13Z", "ms": -1460317487157.556 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "1923-09-24", "window": { "start": { "local": "1923-09-24T05:16:09+03:26", "utc": "1923-09-24T01:50:09Z", "ms": -1460239791165.1768 }, "end": { "local": "1923-09-24T07:41:33+03:26", "utc": "1923-09-24T04:15:33Z", "ms": -1460231066950.3455 } }, "covered_min": 0, "window_min": 145, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:48 on Sun 23 Sep to 03:03 on Mon 24 Sep.", "fact": "1923-09-22T22:23:00Z → 1923-09-23T23:37:37Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:14–07:40 on the 23rd, 05:15–07:41 on the 24th.", "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 146 of 146 minutes on the 23rd and 0 of 145 on the 24th.", "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 7952 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Mashhad, 1923: Sunday 23 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": "1923-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-23", "confidence": "determinate" } ], "quote": "In Mashhad, Ananta Caturdaśī 1923 falls on Sunday 23 September. Caturdaśī runs from 01:48 on Sun 23 Sep to 03:03 on Mon 24 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/sankashta-chaturthi?on=1923-09-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21917, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-09-28T11:21:13+03:26", "utc": "1923-09-28T07:55:13Z", "ms": -1459872286731.2954 }, "end": { "local": "1923-09-29T13:51:47+03:26", "utc": "1923-09-29T10:25:47Z", "ms": -1459776853050.9492 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-09-28T11:21:13+03:26", "utc": "1923-09-28T07:55:13Z", "ms": -1459872286731.2954 }, "end": { "local": "1923-09-29T13:51:47+03:26", "utc": "1923-09-29T10:25:47Z", "ms": -1459776853050.9492 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-09-28", "window": { "start": { "local": "1923-09-28T19:21:25+03:26", "utc": "1923-09-28T15:55:25Z", "ms": -1459843475167.6697 }, "end": { "local": "1923-09-28T19:21:25+03:26", "utc": "1923-09-28T15:55:25Z", "ms": -1459843475167.6697 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-09-29", "window": { "start": { "local": "1923-09-29T19:57:04+03:26", "utc": "1923-09-29T16:31:04Z", "ms": -1459754935666.297 }, "end": { "local": "1923-09-29T19:57:04+03:26", "utc": "1923-09-29T16:31:04Z", "ms": -1459754935666.297 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:20 on Fri 28 Sep to 13:51 on Sat 29 Sep.", "fact": "1923-09-28T07:55:13Z → 1923-09-29T10:25:47Z" }, { "step": "kaala", "text": "Moonrise is at 19:20 on the 28th and 19:56 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 28th and is not on the 29th.", "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 21917 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1923: Friday 28 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": "1923-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-28", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1923 falls on Friday 28 September. Caturthī runs from 11:20 on Fri 28 Sep to 13:51 on Sat 29 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/sankashta-chaturthi?on=1923-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10155, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1923-09-30T16:17:49+03:26", "utc": "1923-09-30T12:51:49Z", "ms": -1459681691355.4412 }, "end": { "local": "1923-10-01T18:29:03+03:26", "utc": "1923-10-01T15:03:03Z", "ms": -1459587417170.4106 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-09-30T16:17:49+03:26", "utc": "1923-09-30T12:51:49Z", "ms": -1459681691355.4412 }, "end": { "local": "1923-10-01T18:29:03+03:26", "utc": "1923-10-01T15:03:03Z", "ms": -1459587417170.4106 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-09-30", "window": { "start": { "local": "1923-09-30T20:35:48+03:26", "utc": "1923-09-30T17:09:48Z", "ms": -1459666212242.116 }, "end": { "local": "1923-09-30T20:35:48+03:26", "utc": "1923-09-30T17:09:48Z", "ms": -1459666212242.116 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-10-01", "window": { "start": { "local": "1923-10-01T21:18:18+03:26", "utc": "1923-10-01T17:52:18Z", "ms": -1459577262357.4138 }, "end": { "local": "1923-10-01T21:18:18+03:26", "utc": "1923-10-01T17:52:18Z", "ms": -1459577262357.4138 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:17 on Sun 30 Sep to 18:28 on Mon 1 Oct.", "fact": "1923-09-30T12:51:49Z → 1923-10-01T15:03:03Z" }, { "step": "kaala", "text": "Moonrise is at 20:35 on the 30th and 21:17 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 30th and is not on the 1st.", "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 10155 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Mashhad, 1923: Sunday 30 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-09-30", "confidence": "determinate" } ], "quote": "In Mashhad, Candra Ṣaṣṭhī 1923 falls on Sunday 30 September. Ṣaṣṭhī runs from 16:17 on Sun 30 Sep to 18:28 on Mon 1 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5471, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1923-10-02T20:14:48+03:26", "utc": "1923-10-02T16:48:48Z", "ms": -1459494671984.5176 }, "end": { "local": "1923-10-03T21:25:17+03:26", "utc": "1923-10-03T17:59:17Z", "ms": -1459404042544.5857 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-10-02T20:14:48+03:26", "utc": "1923-10-02T16:48:48Z", "ms": -1459494671984.5176 }, "end": { "local": "1923-10-03T21:25:17+03:26", "utc": "1923-10-03T17:59:17Z", "ms": -1459404042544.5857 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-10-02", "window": { "start": { "local": "1923-10-02T22:05:06+03:26", "utc": "1923-10-02T18:39:06Z", "ms": -1459488053864.5142 }, "end": { "local": "1923-10-02T22:05:06+03:26", "utc": "1923-10-02T18:39:06Z", "ms": -1459488053864.5142 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-10-03", "window": { "start": { "local": "1923-10-03T22:56:29+03:26", "utc": "1923-10-03T19:30:29Z", "ms": -1459398571149.0398 }, "end": { "local": "1923-10-03T22:56:29+03:26", "utc": "1923-10-03T19:30:29Z", "ms": -1459398571149.0398 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:14 on Tue 2 Oct to 21:24 on Wed 3 Oct.", "fact": "1923-10-02T16:48:48Z → 1923-10-03T17:59:17Z" }, { "step": "kaala", "text": "Moonrise is at 22:04 on the 2nd and 22:55 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5471 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Mashhad, 1923: Tuesday 2 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": "1923-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-02", "confidence": "determinate" } ], "quote": "In Mashhad, Mahālakṣmī Vrata Samāpana 1923 falls on Tuesday 2 October. Aṣṭamī runs from 20:14 on Tue 2 Oct to 21:24 on Wed 3 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5151, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1923-10-02T20:14:48+03:26", "utc": "1923-10-02T16:48:48Z", "ms": -1459494671984.5176 }, "end": { "local": "1923-10-03T21:25:17+03:26", "utc": "1923-10-03T17:59:17Z", "ms": -1459404042544.5857 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-10-02T20:14:48+03:26", "utc": "1923-10-02T16:48:48Z", "ms": -1459494671984.5176 }, "end": { "local": "1923-10-03T21:25:17+03:26", "utc": "1923-10-03T17:59:17Z", "ms": -1459404042544.5857 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-10-02", "window": { "start": { "local": "1923-10-02T17:11:20+03:26", "utc": "1923-10-02T13:45:20Z", "ms": -1459505680055.8574 }, "end": { "local": "1923-10-02T18:48:57+03:26", "utc": "1923-10-02T15:22:57Z", "ms": -1459499823265.362 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1923-10-03", "window": { "start": { "local": "1923-10-03T17:09:53+03:26", "utc": "1923-10-03T13:43:53Z", "ms": -1459419367497.5332 }, "end": { "local": "1923-10-03T18:47:48+03:26", "utc": "1923-10-03T15:21:48Z", "ms": -1459413492417.6074 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:14 on Tue 2 Oct to 21:24 on Wed 3 Oct.", "fact": "1923-10-02T16:48:48Z → 1923-10-03T17:59:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:10–18:48 on the 2nd, 17:09–18:47 on the 3rd.", "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 98 minutes on the 2nd and 98 of 98 on the 3rd.", "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 5151 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Mashhad, 1923: Wednesday 3 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": "1923-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-03", "confidence": "determinate" } ], "quote": "In Mashhad, Jitāṣṭamī (Jitiya) 1923 falls on Wednesday 3 October. Aṣṭamī runs from 20:14 on Tue 2 Oct to 21:24 on Wed 3 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-10-06", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28340, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-10-05T21:33:36+03:26", "utc": "1923-10-05T18:07:36Z", "ms": -1459230744410.6 }, "end": { "local": "1923-10-06T20:26:22+03:26", "utc": "1923-10-06T17:00:22Z", "ms": -1459148378125.5938 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-10-05T21:33:36+03:26", "utc": "1923-10-05T18:07:36Z", "ms": -1459230744410.6 }, "end": { "local": "1923-10-06T20:26:22+03:26", "utc": "1923-10-06T17:00:22Z", "ms": -1459148378125.5938 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-10-06", "window": { "start": { "local": "1923-10-06T05:25:56+03:26", "utc": "1923-10-06T01:59:56Z", "ms": -1459202404093.237 }, "end": { "local": "1923-10-06T05:25:56+03:26", "utc": "1923-10-06T01:59:56Z", "ms": -1459202404093.237 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-10-07", "window": { "start": { "local": "1923-10-07T05:26:47+03:26", "utc": "1923-10-07T02:00:47Z", "ms": -1459115953499.8901 }, "end": { "local": "1923-10-07T05:26:47+03:26", "utc": "1923-10-07T02:00:47Z", "ms": -1459115953499.8901 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:33 on Fri 5 Oct to 20:25 on Sat 6 Oct.", "fact": "1923-10-05T18:07:36Z → 1923-10-06T17:00:22Z" }, { "step": "kaala", "text": "Sunrise is at 05:25 on the 6th and 05:26 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28340 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Mashhad, 1923: Saturday 6 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-06", "confidence": "determinate" } ], "quote": "In Mashhad, Indirā Ekādaśī 1923 falls on Saturday 6 October. Ekādaśī runs from 21:33 on Fri 5 Oct to 20:25 on Sat 6 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-10-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pradosha-vrata?on=1923-10-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 556, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-10-07T18:33:59+03:26", "utc": "1923-10-07T15:07:59Z", "ms": -1459068720938.2844 }, "end": { "local": "1923-10-08T16:01:59+03:26", "utc": "1923-10-08T12:35:59Z", "ms": -1458991440962.7026 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-10-07T18:33:59+03:26", "utc": "1923-10-07T15:07:59Z", "ms": -1459068720938.2844 }, "end": { "local": "1923-10-08T16:01:59+03:26", "utc": "1923-10-08T12:35:59Z", "ms": -1458991440962.7026 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-10-07", "window": { "start": { "local": "1923-10-07T17:04:07+03:26", "utc": "1923-10-07T13:38:07Z", "ms": -1459074113045.271 }, "end": { "local": "1923-10-07T18:43:15+03:26", "utc": "1923-10-07T15:17:15Z", "ms": -1459068164986.3425 } }, "covered_min": 9, "window_min": 99, "qualifies": true }, { "local_date": "1923-10-08", "window": { "start": { "local": "1923-10-08T17:02:42+03:26", "utc": "1923-10-08T13:36:42Z", "ms": -1458987798231.5085 }, "end": { "local": "1923-10-08T18:42:08+03:26", "utc": "1923-10-08T15:16:08Z", "ms": -1458981831987.099 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:33 on Sun 7 Oct to 16:01 on Mon 8 Oct.", "fact": "1923-10-07T15:07:59Z → 1923-10-08T12:35:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:03–18:42 on the 7th, 17:02–18:41 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 9 of 99 minutes on the 7th and 0 of 99 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 556 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1923: Sunday 7 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": "1923-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-07", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1923 falls on Sunday 7 October. Trayodaśī runs from 18:33 on Sun 7 Oct to 16:01 on Mon 8 Oct and covers 9 of 99 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-10-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/shivaratri?on=1923-10-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24576, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-10-08T16:01:59+03:26", "utc": "1923-10-08T12:35:59Z", "ms": -1458991440962.7026 }, "end": { "local": "1923-10-09T12:58:03+03:26", "utc": "1923-10-09T09:32:03Z", "ms": -1458916076709.418 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-10-08T16:01:59+03:26", "utc": "1923-10-08T12:35:59Z", "ms": -1458991440962.7026 }, "end": { "local": "1923-10-09T12:58:03+03:26", "utc": "1923-10-09T09:32:03Z", "ms": -1458916076709.418 } }, "kaala": "nishita", "days": [ { "local_date": "1923-10-08", "window": { "start": { "local": "1923-10-08T22:51:35+03:26", "utc": "1923-10-08T19:25:35Z", "ms": -1458966864814.973 }, "end": { "local": "1923-10-08T23:39:35+03:26", "utc": "1923-10-08T20:13:35Z", "ms": -1458963984814.973 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-10-09", "window": { "start": { "local": "1923-10-09T22:51:19+03:26", "utc": "1923-10-09T19:25:19Z", "ms": -1458880481381.6943 }, "end": { "local": "1923-10-09T23:39:19+03:26", "utc": "1923-10-09T20:13:19Z", "ms": -1458877601381.6943 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:01 on Mon 8 Oct to 12:57 on Tue 9 Oct.", "fact": "1923-10-08T12:35:59Z → 1923-10-09T09:32:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:51–23:39 on the 8th, 22:50–23:38 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24576 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1923: Monday 8 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": "1923-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-08", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1923 falls on Monday 8 October. Caturdaśī runs from 16:01 on Mon 8 Oct to 12:57 on Tue 9 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1923/shivaratri?on=1923-10-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2034, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1923-10-09T12:58:03+03:26", "utc": "1923-10-09T09:32:03Z", "ms": -1458916076709.418 }, "end": { "local": "1923-10-10T09:31:22+03:26", "utc": "1923-10-10T06:05:22Z", "ms": -1458842077664.5212 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-10-09T12:58:03+03:26", "utc": "1923-10-09T09:32:03Z", "ms": -1458916076709.418 }, "end": { "local": "1923-10-10T09:31:22+03:26", "utc": "1923-10-10T06:05:22Z", "ms": -1458842077664.5212 } }, "kaala": "aparahna", "days": [ { "local_date": "1923-10-09", "window": { "start": { "local": "1923-10-09T12:24:10+03:26", "utc": "1923-10-09T08:58:10Z", "ms": -1458918110288.3823 }, "end": { "local": "1923-10-09T14:42:43+03:26", "utc": "1923-10-09T11:16:43Z", "ms": -1458909796585.0308 } }, "covered_min": 105, "window_min": 139, "qualifies": true }, { "local_date": "1923-10-10", "window": { "start": { "local": "1923-10-10T12:23:40+03:26", "utc": "1923-10-10T08:57:40Z", "ms": -1458831740134.2358 }, "end": { "local": "1923-10-10T14:41:46+03:26", "utc": "1923-10-10T11:15:46Z", "ms": -1458823453551.7446 } }, "covered_min": 0, "window_min": 138, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 12:57 on Tue 9 Oct to 09:30 on Wed 10 Oct.", "fact": "1923-10-09T09:32:03Z → 1923-10-10T06:05:22Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:23–14:42 on the 9th, 12:23–14:41 on the 10th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 105 of 139 minutes on the 9th and 0 of 138 on the 10th.", "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 2034 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Mashhad, 1923: Tuesday 9 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": "1923-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-09", "confidence": "determinate" } ], "quote": "In Mashhad, Mahālaya Amāvāsyā 1923 falls on Tuesday 9 October. Amāvasyā runs from 12:57 on Tue 9 Oct to 09:30 on Wed 10 Oct and covers 105 of 139 minutes of aparāhṇa that afternoon.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4754, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1923-10-10T09:31:22+03:26", "utc": "1923-10-10T06:05:22Z", "ms": -1458842077664.5212 }, "end": { "local": "1923-10-11T05:52:01+03:26", "utc": "1923-10-11T02:26:01Z", "ms": -1458768839286.1477 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-10-10T09:31:22+03:26", "utc": "1923-10-10T06:05:22Z", "ms": -1458842077664.5212 }, "end": { "local": "1923-10-11T05:52:01+03:26", "utc": "1923-10-11T02:26:01Z", "ms": -1458768839286.1477 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-10-10", "window": { "start": { "local": "1923-10-10T10:50:37+03:26", "utc": "1923-10-10T07:24:37Z", "ms": -1458837323425.4814 }, "end": { "local": "1923-10-10T11:38:37+03:26", "utc": "1923-10-10T08:12:37Z", "ms": -1458834443425.4814 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-10-11", "window": { "start": { "local": "1923-10-11T10:50:21+03:26", "utc": "1923-10-11T07:24:21Z", "ms": -1458750939259.4338 }, "end": { "local": "1923-10-11T11:38:21+03:26", "utc": "1923-10-11T08:12:21Z", "ms": -1458748059259.4338 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:30 on Wed 10 Oct to 05:51 on Thu 11 Oct.", "fact": "1923-10-10T06:05:22Z → 1923-10-11T02:26:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:50–11:38 on the 10th, 10:49–11:37 on the 11th.", "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 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4754 s" }, { "step": "ruling", "text": "Navarātrārambha, Mashhad, 1923: Wednesday 10 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": "1923-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-10", "confidence": "determinate" } ], "quote": "In Mashhad, Navarātrārambha (Navratri) 1923 falls on Wednesday 10 October. Pratipadā runs from 09:30 on Wed 10 Oct to 05:51 on Thu 11 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-10-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27862, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-10-12T22:37:11+03:26", "utc": "1923-10-12T19:11:11Z", "ms": -1458622128567.961 }, "end": { "local": "1923-10-13T19:22:12+03:26", "utc": "1923-10-13T15:56:12Z", "ms": -1458547427570.6995 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-10-12T22:37:11+03:26", "utc": "1923-10-12T19:11:11Z", "ms": -1458622128567.961 }, "end": { "local": "1923-10-13T19:22:12+03:26", "utc": "1923-10-13T15:56:12Z", "ms": -1458547427570.6995 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-10-12", "window": { "start": { "local": "1923-10-12T10:50:05+03:26", "utc": "1923-10-12T07:24:05Z", "ms": -1458664554628.014 }, "end": { "local": "1923-10-12T11:38:05+03:26", "utc": "1923-10-12T08:12:05Z", "ms": -1458661674628.014 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-10-13", "window": { "start": { "local": "1923-10-13T10:49:50+03:26", "utc": "1923-10-13T07:23:50Z", "ms": -1458578169517.1372 }, "end": { "local": "1923-10-13T11:37:50+03:26", "utc": "1923-10-13T08:11:50Z", "ms": -1458575289517.1372 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:36 on Fri 12 Oct to 19:21 on Sat 13 Oct.", "fact": "1923-10-12T19:11:11Z → 1923-10-13T15:56:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:49–11:37 on the 12th, 10:49–11:37 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27862 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1923: Saturday 13 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": "1923-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-13", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1923 falls on Saturday 13 October. Caturthī runs from 22:36 on Fri 12 Oct to 19:21 on Sat 13 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23384, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1923-10-15T14:21:51+03:26", "utc": "1923-10-15T10:55:51Z", "ms": -1458392649214.7617 }, "end": { "local": "1923-10-16T12:49:28+03:26", "utc": "1923-10-16T09:23:28Z", "ms": -1458311791940.1248 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-10-15T14:21:51+03:26", "utc": "1923-10-15T10:55:51Z", "ms": -1458392649214.7617 }, "end": { "local": "1923-10-16T12:49:28+03:26", "utc": "1923-10-16T09:23:28Z", "ms": -1458311791940.1248 } }, "kaala": "udaya-1", "days": [ { "local_date": "1923-10-15", "window": { "start": { "local": "1923-10-15T05:33:42+03:26", "utc": "1923-10-15T02:07:42Z", "ms": -1458424337562.192 }, "end": { "local": "1923-10-15T06:19:00+03:26", "utc": "1923-10-15T02:53:00Z", "ms": -1458421620260.2031 } }, "covered_min": 0, "window_min": 45, "qualifies": false }, { "local_date": "1923-10-16", "window": { "start": { "local": "1923-10-16T05:34:36+03:26", "utc": "1923-10-16T02:08:36Z", "ms": -1458337884142.1104 }, "end": { "local": "1923-10-16T06:19:44+03:26", "utc": "1923-10-16T02:53:44Z", "ms": -1458335175743.9768 } }, "covered_min": 45, "window_min": 45, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:21 on Mon 15 Oct to 12:48 on Tue 16 Oct.", "fact": "1923-10-15T10:55:51Z → 1923-10-16T09:23:28Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:33–06:18 on the 15th, 05:34–06:19 on the 16th.", "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 45 minutes on the 15th and 45 of 45 on the 16th.", "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 23384 s" }, { "step": "ruling", "text": "Durgā Saptamī, Mashhad, 1923: Tuesday 16 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": "1923-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-16", "confidence": "determinate" } ], "quote": "In Mashhad, Durgā Saptamī 1923 falls on Tuesday 16 October. Saptamī runs from 14:21 on Mon 15 Oct to 12:48 on Tue 16 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1399, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1923-10-16T12:49:28+03:26", "utc": "1923-10-16T09:23:28Z", "ms": -1458311791940.1248 }, "end": { "local": "1923-10-17T12:00:15+03:26", "utc": "1923-10-17T08:34:15Z", "ms": -1458228345071.115 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-10-16T12:49:28+03:26", "utc": "1923-10-16T09:23:28Z", "ms": -1458311791940.1248 }, "end": { "local": "1923-10-17T12:00:15+03:26", "utc": "1923-10-17T08:34:15Z", "ms": -1458228345071.115 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-10-16", "window": { "start": { "local": "1923-10-16T10:49:09+03:26", "utc": "1923-10-16T07:23:09Z", "ms": -1458319011156.1084 }, "end": { "local": "1923-10-16T11:37:09+03:26", "utc": "1923-10-16T08:11:09Z", "ms": -1458316131156.1084 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-10-17", "window": { "start": { "local": "1923-10-17T10:48:56+03:26", "utc": "1923-10-17T07:22:56Z", "ms": -1458232623971.1382 }, "end": { "local": "1923-10-17T11:36:56+03:26", "utc": "1923-10-17T08:10:56Z", "ms": -1458229743971.1382 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:48 on Tue 16 Oct to 11:59 on Wed 17 Oct.", "fact": "1923-10-16T09:23:28Z → 1923-10-17T08:34:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:48–11:36 on the 16th, 10:48–11:36 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 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1399 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Mashhad, 1923: Wednesday 17 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": "1923-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-17", "confidence": "determinate" } ], "quote": "In Mashhad, Mahāṣṭamī (Durga Ashtami) 1923 falls on Wednesday 17 October. Aṣṭamī runs from 12:48 on Tue 16 Oct to 11:59 on Wed 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10537, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1923-10-18T11:54:04+03:26", "utc": "1923-10-18T08:28:04Z", "ms": -1458142315536.2202 }, "end": { "local": "1923-10-19T12:28:01+03:26", "utc": "1923-10-19T09:02:01Z", "ms": -1458053879266.14 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1923-10-18T11:54:04+03:26", "utc": "1923-10-18T08:28:04Z", "ms": -1458142315536.2202 }, "end": { "local": "1923-10-18T19:44:41+03:26", "utc": "1923-10-18T16:18:41Z", "ms": -1458114079152.0525 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1923-10-17T19:00:39+03:26", "utc": "1923-10-17T15:34:39Z", "ms": -1458203121131.1714 }, "end": { "local": "1923-10-18T19:44:41+03:26", "utc": "1923-10-18T16:18:41Z", "ms": -1458114079152.0525 } } }, "kaala": "daytime", "days": [ { "local_date": "1923-10-18", "window": { "start": { "local": "1923-10-18T05:36:24+03:26", "utc": "1923-10-18T02:10:24Z", "ms": -1458164976326.4792 }, "end": { "local": "1923-10-18T16:49:04+03:26", "utc": "1923-10-18T13:23:04Z", "ms": -1458124616121.95 } }, "covered_min": 295, "window_min": 673, "qualifies": true }, { "local_date": "1923-10-19", "window": { "start": { "local": "1923-10-19T05:37:18+03:26", "utc": "1923-10-19T02:11:18Z", "ms": -1458078521923.28 }, "end": { "local": "1923-10-19T16:47:46+03:26", "utc": "1923-10-19T13:21:46Z", "ms": -1458038293870.122 } }, "covered_min": 0, "window_min": 670, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 11:53 on Thu 18 Oct to 12:27 on Fri 19 Oct, and Śravaṇa from 19:00 on Wed 17 Oct to 19:44 on Thu 18 Oct. They are together from 11:53 on Thu 18 Oct to 19:44 on Thu 18 Oct.", "fact": "1923-10-18T08:28:04Z → 1923-10-18T16:18:41Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 05:35–16:48 on the 18th, 05:36–16:47 on the 19th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 295 of 673 minutes on the 18th and 0 of 670 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10537 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Mashhad, 1923: Thursday 18 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": "1923-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-18", "confidence": "determinate" } ], "quote": "In Mashhad, Vijayā Daśamī (Dussehra) 1923 falls on Thursday 18 October. Daśamī runs from 11:53 on Thu 18 Oct to 12:27 on Fri 19 Oct and is with Śravaṇa in the day time that day, for 295 minutes.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1041, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1923-10-17T12:00:15+03:26", "utc": "1923-10-17T08:34:15Z", "ms": -1458228345071.115 }, "end": { "local": "1923-10-18T11:54:04+03:26", "utc": "1923-10-18T08:28:04Z", "ms": -1458142315536.2202 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-10-17T12:00:15+03:26", "utc": "1923-10-17T08:34:15Z", "ms": -1458228345071.115 }, "end": { "local": "1923-10-18T11:54:04+03:26", "utc": "1923-10-18T08:28:04Z", "ms": -1458142315536.2202 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-10-17", "window": { "start": { "local": "1923-10-17T10:48:56+03:26", "utc": "1923-10-17T07:22:56Z", "ms": -1458232623971.1382 }, "end": { "local": "1923-10-17T11:36:56+03:26", "utc": "1923-10-17T08:10:56Z", "ms": -1458229743971.1382 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-10-18", "window": { "start": { "local": "1923-10-18T10:48:44+03:26", "utc": "1923-10-18T07:22:44Z", "ms": -1458146236224.2146 }, "end": { "local": "1923-10-18T11:36:44+03:26", "utc": "1923-10-18T08:10:44Z", "ms": -1458143356224.2146 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 11:59 on Wed 17 Oct to 11:53 on Thu 18 Oct.", "fact": "1923-10-17T08:34:15Z → 1923-10-18T08:28:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:48–11:36 on the 17th, 10:48–11:36 on the 18th.", "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 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: purvaviddha → only-day · margin 1041 s" }, { "step": "ruling", "text": "Mahānavamī, Mashhad, 1923: Thursday 18 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": "1923-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-17", "confidence": "determinate" } ], "quote": "In Mashhad, Mahānavamī 1923 falls on Thursday 18 October. Navamī runs from 11:59 on Wed 17 Oct to 11:53 on Thu 18 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-10-20", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24643, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-10-19T12:28:01+03:26", "utc": "1923-10-19T09:02:01Z", "ms": -1458053879266.14 }, "end": { "local": "1923-10-20T13:36:53+03:26", "utc": "1923-10-20T10:10:53Z", "ms": -1457963346715.966 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-10-19T12:28:01+03:26", "utc": "1923-10-19T09:02:01Z", "ms": -1458053879266.14 }, "end": { "local": "1923-10-20T13:36:53+03:26", "utc": "1923-10-20T10:10:53Z", "ms": -1457963346715.966 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-10-19", "window": { "start": { "local": "1923-10-19T05:37:18+03:26", "utc": "1923-10-19T02:11:18Z", "ms": -1458078521923.28 }, "end": { "local": "1923-10-19T05:37:18+03:26", "utc": "1923-10-19T02:11:18Z", "ms": -1458078521923.28 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-10-20", "window": { "start": { "local": "1923-10-20T05:38:13+03:26", "utc": "1923-10-20T02:12:13Z", "ms": -1457992067184.3103 }, "end": { "local": "1923-10-20T05:38:13+03:26", "utc": "1923-10-20T02:12:13Z", "ms": -1457992067184.3103 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:27 on Fri 19 Oct to 13:36 on Sat 20 Oct.", "fact": "1923-10-19T09:02:01Z → 1923-10-20T10:10:53Z" }, { "step": "kaala", "text": "Sunrise is at 05:36 on the 19th and 05:37 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 24643 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Mashhad, 1923: Saturday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-20", "confidence": "determinate" } ], "quote": "In Mashhad, Pāśāṅkuśā Ekādaśī 1923 falls on Saturday 20 October. Ekādaśī runs from 12:27 on Fri 19 Oct to 13:36 on Sat 20 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-10-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pradosha-vrata?on=1923-10-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-21", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1755, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-10-21T15:14:13+03:26", "utc": "1923-10-21T11:48:13Z", "ms": -1457871106945.6624 }, "end": { "local": "1923-10-22T17:13:14+03:26", "utc": "1923-10-22T13:47:14Z", "ms": -1457777566356.2017 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1923-10-21T15:14:13+03:26", "utc": "1923-10-21T11:48:13Z", "ms": -1457871106945.6624 }, "end": { "local": "1923-10-22T17:13:14+03:26", "utc": "1923-10-22T13:47:14Z", "ms": -1457777566356.2017 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-10-21", "window": { "start": { "local": "1923-10-21T16:45:13+03:26", "utc": "1923-10-21T13:19:13Z", "ms": -1457865646742.736 }, "end": { "local": "1923-10-21T18:28:32+03:26", "utc": "1923-10-21T15:02:32Z", "ms": -1457859448068.1252 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "1923-10-22", "window": { "start": { "local": "1923-10-22T16:43:58+03:26", "utc": "1923-10-22T13:17:58Z", "ms": -1457779321798.9644 }, "end": { "local": "1923-10-22T18:27:34+03:26", "utc": "1923-10-22T15:01:34Z", "ms": -1457773105680.9717 } }, "covered_min": 29, "window_min": 104, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:13 on Sun 21 Oct to 17:12 on Mon 22 Oct.", "fact": "1923-10-21T11:48:13Z → 1923-10-22T13:47:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:44–18:28 on the 21st, 16:43–18:27 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 103 of 103 minutes on the 21st and 29 of 104 on the 22nd.", "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 1755 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1923: Sunday 21 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-10-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-21", "confidence": "boundary" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1923 falls on Sunday 21 October. Trayodaśī runs from 15:13 on Sun 21 Oct to 17:12 on Mon 22 Oct and covers all of pradoṣa that evening. It also reaches the next evening for 29 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/mashhad/festivals/1923/pradosha-vrata?on=1923-10-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38651, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-10-28T05:18:23+03:26", "utc": "1923-10-28T01:52:23Z", "ms": -1457302057395.9385 }, "end": { "local": "1923-10-29T07:34:05+03:26", "utc": "1923-10-29T04:08:05Z", "ms": -1457207514733.0376 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-10-28T05:18:23+03:26", "utc": "1923-10-28T01:52:23Z", "ms": -1457302057395.9385 }, "end": { "local": "1923-10-29T07:34:05+03:26", "utc": "1923-10-29T04:08:05Z", "ms": -1457207514733.0376 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-10-27", "window": { "start": { "local": "1923-10-27T18:34:12+03:26", "utc": "1923-10-27T15:08:12Z", "ms": -1457340708455.2087 }, "end": { "local": "1923-10-27T18:34:12+03:26", "utc": "1923-10-27T15:08:12Z", "ms": -1457340708455.2087 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-10-28", "window": { "start": { "local": "1923-10-28T19:15:09+03:26", "utc": "1923-10-28T15:49:09Z", "ms": -1457251851272.8716 }, "end": { "local": "1923-10-28T19:15:09+03:26", "utc": "1923-10-28T15:49:09Z", "ms": -1457251851272.8716 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:17 on Sun 28 Oct to 07:33 on Mon 29 Oct.", "fact": "1923-10-28T01:52:23Z → 1923-10-29T04:08:05Z" }, { "step": "kaala", "text": "Moonrise is at 18:33 on the 27th and 19:14 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.", "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 38651 s" }, { "step": "ruling", "text": "Karaka Caturthī, Mashhad, 1923: Sunday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-28", "confidence": "determinate" } ], "quote": "In Mashhad, Karaka Caturthī (Karwa Chauth) 1923 falls on Sunday 28 October. Caturthī runs from 05:17 on Sun 28 Oct to 07:33 on Mon 29 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/sankashta-chaturthi?on=1923-10-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38651, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-10-28T05:18:23+03:26", "utc": "1923-10-28T01:52:23Z", "ms": -1457302057395.9385 }, "end": { "local": "1923-10-29T07:34:05+03:26", "utc": "1923-10-29T04:08:05Z", "ms": -1457207514733.0376 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-10-28T05:18:23+03:26", "utc": "1923-10-28T01:52:23Z", "ms": -1457302057395.9385 }, "end": { "local": "1923-10-29T07:34:05+03:26", "utc": "1923-10-29T04:08:05Z", "ms": -1457207514733.0376 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-10-27", "window": { "start": { "local": "1923-10-27T18:34:12+03:26", "utc": "1923-10-27T15:08:12Z", "ms": -1457340708455.2087 }, "end": { "local": "1923-10-27T18:34:12+03:26", "utc": "1923-10-27T15:08:12Z", "ms": -1457340708455.2087 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-10-28", "window": { "start": { "local": "1923-10-28T19:15:09+03:26", "utc": "1923-10-28T15:49:09Z", "ms": -1457251851272.8716 }, "end": { "local": "1923-10-28T19:15:09+03:26", "utc": "1923-10-28T15:49:09Z", "ms": -1457251851272.8716 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:17 on Sun 28 Oct to 07:33 on Mon 29 Oct.", "fact": "1923-10-28T01:52:23Z → 1923-10-29T04:08:05Z" }, { "step": "kaala", "text": "Moonrise is at 18:33 on the 27th and 19:14 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38651 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1923: Sunday 28 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": "1923-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-10-28", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1923 falls on Sunday 28 October. Caturthī runs from 05:17 on Sun 28 Oct to 07:33 on Mon 29 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/sankashta-chaturthi?on=1923-10-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38251, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1923-11-01T12:01:11+03:26", "utc": "1923-11-01T08:35:11Z", "ms": -1456932289085.0388 }, "end": { "local": "1923-11-02T12:17:13+03:26", "utc": "1923-11-02T08:51:13Z", "ms": -1456844927404.147 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-01T12:01:11+03:26", "utc": "1923-11-01T08:35:11Z", "ms": -1456932289085.0388 }, "end": { "local": "1923-11-02T12:17:13+03:26", "utc": "1923-11-02T08:51:13Z", "ms": -1456844927404.147 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-11-01", "window": { "start": { "local": "1923-11-01T22:38:41+03:26", "utc": "1923-11-01T19:12:41Z", "ms": -1456894038571.6375 }, "end": { "local": "1923-11-01T22:38:41+03:26", "utc": "1923-11-01T19:12:41Z", "ms": -1456894038571.6375 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-11-02", "window": { "start": { "local": "1923-11-02T23:38:41+03:26", "utc": "1923-11-02T20:12:41Z", "ms": -1456804039460.92 }, "end": { "local": "1923-11-02T23:38:41+03:26", "utc": "1923-11-02T20:12:41Z", "ms": -1456804039460.92 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:00 on Thu 1 Nov to 12:16 on Fri 2 Nov.", "fact": "1923-11-01T08:35:11Z → 1923-11-02T08:51:13Z" }, { "step": "kaala", "text": "Moonrise is at 22:38 on the 1st and 23:38 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 1st and is not on the 2nd.", "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 38251 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Mashhad, 1923: Thursday 1 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": "1923-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-01", "confidence": "determinate" } ], "quote": "In Mashhad, Ahoyī Aṣṭamī 1923 falls on Thursday 1 November. Aṣṭamī runs from 12:00 on Thu 1 Nov to 12:16 on Fri 2 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-11-05", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9181, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-11-04T10:29:42+03:26", "utc": "1923-11-04T07:03:42Z", "ms": -1456678577768.3142 }, "end": { "local": "1923-11-05T08:26:36+03:26", "utc": "1923-11-05T05:00:36Z", "ms": -1456599564219.2935 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-04T10:29:42+03:26", "utc": "1923-11-04T07:03:42Z", "ms": -1456678577768.3142 }, "end": { "local": "1923-11-05T08:26:36+03:26", "utc": "1923-11-05T05:00:36Z", "ms": -1456599564219.2935 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-11-04", "window": { "start": { "local": "1923-11-04T05:52:35+03:26", "utc": "1923-11-04T02:26:35Z", "ms": -1456695204887.6753 }, "end": { "local": "1923-11-04T05:52:35+03:26", "utc": "1923-11-04T02:26:35Z", "ms": -1456695204887.6753 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-11-05", "window": { "start": { "local": "1923-11-05T05:53:35+03:26", "utc": "1923-11-05T02:27:35Z", "ms": -1456608744838.952 }, "end": { "local": "1923-11-05T05:53:35+03:26", "utc": "1923-11-05T02:27:35Z", "ms": -1456608744838.952 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:29 on Sun 4 Nov to 08:26 on Mon 5 Nov.", "fact": "1923-11-04T07:03:42Z → 1923-11-05T05:00:36Z" }, { "step": "kaala", "text": "Sunrise is at 05:52 on the 4th and 05:53 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9181 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Mashhad, 1923: Monday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-05", "confidence": "determinate" } ], "quote": "In Mashhad, Ramā Ekādaśī 1923 falls on Monday 5 November. Ekādaśī runs from 10:29 on Sun 4 Nov to 08:26 on Mon 5 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28909, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1923-11-05T08:26:36+03:26", "utc": "1923-11-05T05:00:36Z", "ms": -1456599564219.2935 }, "end": { "local": "1923-11-06T05:42:54+03:26", "utc": "1923-11-06T02:16:54Z", "ms": -1456522985820.406 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-05T08:26:36+03:26", "utc": "1923-11-05T05:00:36Z", "ms": -1456599564219.2935 }, "end": { "local": "1923-11-06T05:42:54+03:26", "utc": "1923-11-06T02:16:54Z", "ms": -1456522985820.406 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-11-05", "window": { "start": { "local": "1923-11-05T16:28:25+03:26", "utc": "1923-11-05T13:02:25Z", "ms": -1456570655497.6228 }, "end": { "local": "1923-11-05T18:15:54+03:26", "utc": "1923-11-05T14:49:54Z", "ms": -1456564206036.152 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1923-11-06", "window": { "start": { "local": "1923-11-06T16:27:28+03:26", "utc": "1923-11-06T13:01:28Z", "ms": -1456484312478.57 }, "end": { "local": "1923-11-06T18:15:13+03:26", "utc": "1923-11-06T14:49:13Z", "ms": -1456477847348.423 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 08:26 on Mon 5 Nov to 05:42 on Tue 6 Nov.", "fact": "1923-11-05T05:00:36Z → 1923-11-06T02:16:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:27–18:15 on the 5th, 16:26–18:14 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 5th and 0 of 108 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28909 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Mashhad, 1923: Monday 5 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": "1923-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-05", "confidence": "determinate" } ], "quote": "In Mashhad, Govatsa Dvādaśī (Vasu Baras) 1923 falls on Monday 5 November. Dvādaśī runs from 08:26 on Mon 5 Nov to 05:42 on Tue 6 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29459, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-11-06T05:42:54+03:26", "utc": "1923-11-06T02:16:54Z", "ms": -1456522985820.406 }, "end": { "local": "1923-11-07T02:26:12+03:26", "utc": "1923-11-06T23:00:12Z", "ms": -1456448388437.5918 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-06T05:42:54+03:26", "utc": "1923-11-06T02:16:54Z", "ms": -1456522985820.406 }, "end": { "local": "1923-11-07T02:26:12+03:26", "utc": "1923-11-06T23:00:12Z", "ms": -1456448388437.5918 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-11-05", "window": { "start": { "local": "1923-11-05T16:28:25+03:26", "utc": "1923-11-05T13:02:25Z", "ms": -1456570655497.6228 }, "end": { "local": "1923-11-05T18:15:54+03:26", "utc": "1923-11-05T14:49:54Z", "ms": -1456564206036.152 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1923-11-06", "window": { "start": { "local": "1923-11-06T16:27:28+03:26", "utc": "1923-11-06T13:01:28Z", "ms": -1456484312478.57 }, "end": { "local": "1923-11-06T18:15:13+03:26", "utc": "1923-11-06T14:49:13Z", "ms": -1456477847348.423 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:42 on Tue 6 Nov to 02:25 on Wed 7 Nov.", "fact": "1923-11-06T02:16:54Z → 1923-11-06T23:00:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:27–18:15 on the 5th, 16:26–18:14 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 107 minutes on the 5th and 108 of 108 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29459 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Mashhad, 1923: Tuesday 6 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": "1923-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-06", "confidence": "determinate" } ], "quote": "In Mashhad, Yama Dīpadāna 1923 falls on Tuesday 6 November. Trayodaśī runs from 05:42 on Tue 6 Nov to 02:25 on Wed 7 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/pradosha-vrata?on=1923-11-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29459, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-11-06T05:42:54+03:26", "utc": "1923-11-06T02:16:54Z", "ms": -1456522985820.406 }, "end": { "local": "1923-11-07T02:26:12+03:26", "utc": "1923-11-06T23:00:12Z", "ms": -1456448388437.5918 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-06T05:42:54+03:26", "utc": "1923-11-06T02:16:54Z", "ms": -1456522985820.406 }, "end": { "local": "1923-11-07T02:26:12+03:26", "utc": "1923-11-06T23:00:12Z", "ms": -1456448388437.5918 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-11-05", "window": { "start": { "local": "1923-11-05T16:28:25+03:26", "utc": "1923-11-05T13:02:25Z", "ms": -1456570655497.6228 }, "end": { "local": "1923-11-05T18:15:54+03:26", "utc": "1923-11-05T14:49:54Z", "ms": -1456564206036.152 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1923-11-06", "window": { "start": { "local": "1923-11-06T16:27:28+03:26", "utc": "1923-11-06T13:01:28Z", "ms": -1456484312478.57 }, "end": { "local": "1923-11-06T18:15:13+03:26", "utc": "1923-11-06T14:49:13Z", "ms": -1456477847348.423 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:42 on Tue 6 Nov to 02:25 on Wed 7 Nov.", "fact": "1923-11-06T02:16:54Z → 1923-11-06T23:00:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:27–18:15 on the 5th, 16:26–18:14 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 107 minutes on the 5th and 108 of 108 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 29459 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1923: Tuesday 6 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-06", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1923 falls on Tuesday 6 November. Trayodaśī runs from 05:42 on Tue 6 Nov to 02:25 on Wed 7 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-11-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/shivaratri?on=1923-11-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-06", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 99, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-11-07T02:26:12+03:26", "utc": "1923-11-06T23:00:12Z", "ms": -1456448388437.5918 }, "end": { "local": "1923-11-07T22:45:56+03:26", "utc": "1923-11-07T19:19:56Z", "ms": -1456375204250.4426 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-07T02:26:12+03:26", "utc": "1923-11-06T23:00:12Z", "ms": -1456448388437.5918 }, "end": { "local": "1923-11-07T22:45:56+03:26", "utc": "1923-11-07T19:19:56Z", "ms": -1456375204250.4426 } }, "kaala": "nishita", "days": [ { "local_date": "1923-11-06", "window": { "start": { "local": "1923-11-06T22:47:32+03:26", "utc": "1923-11-06T19:21:32Z", "ms": -1456461508240.5186 }, "end": { "local": "1923-11-06T23:35:32+03:26", "utc": "1923-11-06T20:09:32Z", "ms": -1456458628240.5186 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-11-07", "window": { "start": { "local": "1923-11-07T22:47:34+03:26", "utc": "1923-11-07T19:21:34Z", "ms": -1456375105629.4014 }, "end": { "local": "1923-11-07T23:35:34+03:26", "utc": "1923-11-07T20:09:34Z", "ms": -1456372225629.4014 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:25 on Wed 7 Nov to 22:45 on Wed 7 Nov.", "fact": "1923-11-06T23:00:12Z → 1923-11-07T19:19:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:47–23:35 on the 6th, 22:47–23:35 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 99 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1923: Tuesday 6 November.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-11-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-07", "confidence": "boundary" } ], "quote": "In Mashhad, Śivarātri 1923 falls on Tuesday 6 November. Caturdaśī runs from 02:25 on Wed 7 Nov to 22:45 on Wed 7 Nov, and reaches niśītha on neither day. It is 1 min 39 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/1923/shivaratri?on=1923-11-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6099, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-11-07T02:26:12+03:26", "utc": "1923-11-06T23:00:12Z", "ms": -1456448388437.5918 }, "end": { "local": "1923-11-07T22:45:56+03:26", "utc": "1923-11-07T19:19:56Z", "ms": -1456375204250.4426 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-07T02:26:12+03:26", "utc": "1923-11-06T23:00:12Z", "ms": -1456448388437.5918 }, "end": { "local": "1923-11-07T22:45:56+03:26", "utc": "1923-11-07T19:19:56Z", "ms": -1456375204250.4426 } }, "kaala": "arunodaya", "days": [ { "local_date": "1923-11-07", "window": { "start": { "local": "1923-11-07T04:07:51+03:26", "utc": "1923-11-07T00:41:51Z", "ms": -1456442289132.6143 }, "end": { "local": "1923-11-07T05:55:36+03:26", "utc": "1923-11-07T02:29:36Z", "ms": -1456435824002.4673 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1923-11-08", "window": { "start": { "local": "1923-11-08T04:08:36+03:26", "utc": "1923-11-08T00:42:36Z", "ms": -1456355843892.6833 }, "end": { "local": "1923-11-08T05:56:37+03:26", "utc": "1923-11-08T02:30:37Z", "ms": -1456349363261.1494 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:25 on Wed 7 Nov to 22:45 on Wed 7 Nov.", "fact": "1923-11-06T23:00:12Z → 1923-11-07T19:19:56Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:07–05:55 on the 7th, 04:08–05:56 on the 8th.", "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 108 of 108 minutes on the 7th and 0 of 108 on the 8th.", "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 6099 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Mashhad, 1923: Wednesday 7 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": "1923-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-07", "confidence": "determinate" } ], "quote": "In Mashhad, Naraka Caturdaśī (Choti Diwali) 1923 falls on Wednesday 7 November. Caturdaśī runs from 02:25 on Wed 7 Nov to 22:45 on Wed 7 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-07", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 99, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1923-11-07T22:45:56+03:26", "utc": "1923-11-07T19:19:56Z", "ms": -1456375204250.4426 }, "end": { "local": "1923-11-08T18:52:51+03:26", "utc": "1923-11-08T15:26:51Z", "ms": -1456302789190.3406 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-07T22:45:56+03:26", "utc": "1923-11-07T19:19:56Z", "ms": -1456375204250.4426 }, "end": { "local": "1923-11-08T18:52:51+03:26", "utc": "1923-11-08T15:26:51Z", "ms": -1456302789190.3406 } }, "kaala": "nishita", "days": [ { "local_date": "1923-11-07", "window": { "start": { "local": "1923-11-07T22:47:34+03:26", "utc": "1923-11-07T19:21:34Z", "ms": -1456375105629.4014 }, "end": { "local": "1923-11-07T23:35:34+03:26", "utc": "1923-11-07T20:09:34Z", "ms": -1456372225629.4014 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-11-08", "window": { "start": { "local": "1923-11-08T22:47:38+03:26", "utc": "1923-11-08T19:21:38Z", "ms": -1456288702184.0688 }, "end": { "local": "1923-11-08T23:35:38+03:26", "utc": "1923-11-08T20:09:38Z", "ms": -1456285822184.0688 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 22:45 on Wed 7 Nov to 18:52 on Thu 8 Nov.", "fact": "1923-11-07T19:19:56Z → 1923-11-08T15:26:51Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:47–23:35 on the 7th, 22:47–23:35 on the 8th.", "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 7th and 0 of 48 on the 8th.", "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 99 s < 300 s" }, { "step": "ruling", "text": "Kālī Pūjā, Mashhad, 1923: Wednesday 7 November.", "fact": "confidence: boundary (margin)" } ], "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": "1923-11-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-07", "confidence": "boundary" } ], "quote": "In Mashhad, Kālī Pūjā 1923 falls on Wednesday 7 November. Amāvasyā runs from 22:45 on Wed 7 Nov to 18:52 on Thu 8 Nov and covers all of niśītha that night. It is 1 min 39 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2337, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1923-11-07T22:45:56+03:26", "utc": "1923-11-07T19:19:56Z", "ms": -1456375204250.4426 }, "end": { "local": "1923-11-08T18:52:51+03:26", "utc": "1923-11-08T15:26:51Z", "ms": -1456302789190.3406 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-07T22:45:56+03:26", "utc": "1923-11-07T19:19:56Z", "ms": -1456375204250.4426 }, "end": { "local": "1923-11-08T18:52:51+03:26", "utc": "1923-11-08T15:26:51Z", "ms": -1456302789190.3406 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-11-07", "window": { "start": { "local": "1923-11-07T16:26:32+03:26", "utc": "1923-11-07T13:00:32Z", "ms": -1456397967997.6536 }, "end": { "local": "1923-11-07T18:14:33+03:26", "utc": "1923-11-07T14:48:33Z", "ms": -1456391487366.1196 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1923-11-08", "window": { "start": { "local": "1923-11-08T16:25:38+03:26", "utc": "1923-11-08T12:59:38Z", "ms": -1456311622028.3599 }, "end": { "local": "1923-11-08T18:13:54+03:26", "utc": "1923-11-08T14:47:54Z", "ms": -1456305126069.8823 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 22:45 on Wed 7 Nov to 18:52 on Thu 8 Nov.", "fact": "1923-11-07T19:19:56Z → 1923-11-08T15:26:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:26–18:14 on the 7th, 16:25–18:13 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 108 minutes on the 7th and 108 of 108 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2337 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Mashhad, 1923: Thursday 8 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": "1923-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-08", "confidence": "determinate" } ], "quote": "In Mashhad, Lakṣmī Pūjā (Diwali) 1923 falls on Thursday 8 November. Amāvasyā runs from 22:45 on Wed 7 Nov to 18:52 on Thu 8 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-08", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2337, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1923-11-08T18:52:51+03:26", "utc": "1923-11-08T15:26:51Z", "ms": -1456302789190.3406 }, "end": { "local": "1923-11-09T14:58:24+03:26", "utc": "1923-11-09T11:32:24Z", "ms": -1456230455656.124 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-08T18:52:51+03:26", "utc": "1923-11-08T15:26:51Z", "ms": -1456302789190.3406 }, "end": { "local": "1923-11-09T14:58:24+03:26", "utc": "1923-11-09T11:32:24Z", "ms": -1456230455656.124 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-11-08", "window": { "start": { "local": "1923-11-08T16:25:38+03:26", "utc": "1923-11-08T12:59:38Z", "ms": -1456311622028.3599 }, "end": { "local": "1923-11-08T18:13:54+03:26", "utc": "1923-11-08T14:47:54Z", "ms": -1456305126069.8823 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1923-11-09", "window": { "start": { "local": "1923-11-09T16:24:45+03:26", "utc": "1923-11-09T12:58:45Z", "ms": -1456225274545.1138 }, "end": { "local": "1923-11-09T18:13:17+03:26", "utc": "1923-11-09T14:47:17Z", "ms": -1456218763441.4536 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:52 on Thu 8 Nov to 14:57 on Fri 9 Nov.", "fact": "1923-11-08T15:26:51Z → 1923-11-09T11:32:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:25–18:13 on the 8th, 16:24–18:12 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 108 minutes on the 8th and 0 of 109 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 2337 s" }, { "step": "ruling", "text": "Bali Pūjā, Mashhad, 1923: Thursday 8 November.", "fact": "confidence: boundary (absent-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": "1923-11-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-08", "confidence": "determinate" } ], "quote": "In Mashhad, Bali Pūjā 1923 falls on Thursday 8 November. Pratipadā runs from 18:52 on Thu 8 Nov to 14:57 on Fri 9 Nov, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12193, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1923-11-08T18:52:51+03:26", "utc": "1923-11-08T15:26:51Z", "ms": -1456302789190.3406 }, "end": { "local": "1923-11-09T14:58:24+03:26", "utc": "1923-11-09T11:32:24Z", "ms": -1456230455656.124 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-08T18:52:51+03:26", "utc": "1923-11-08T15:26:51Z", "ms": -1456302789190.3406 }, "end": { "local": "1923-11-09T14:58:24+03:26", "utc": "1923-11-09T11:32:24Z", "ms": -1456230455656.124 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-11-08", "window": { "start": { "local": "1923-11-08T10:47:07+03:26", "utc": "1923-11-08T07:21:07Z", "ms": -1456331932644.7546 }, "end": { "local": "1923-11-08T11:35:07+03:26", "utc": "1923-11-08T08:09:07Z", "ms": -1456329052644.7546 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-11-09", "window": { "start": { "local": "1923-11-09T10:47:12+03:26", "utc": "1923-11-09T07:21:12Z", "ms": -1456245528442.4458 }, "end": { "local": "1923-11-09T11:35:12+03:26", "utc": "1923-11-09T08:09:12Z", "ms": -1456242648442.4458 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:52 on Thu 8 Nov to 14:57 on Fri 9 Nov.", "fact": "1923-11-08T15:26:51Z → 1923-11-09T11:32:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 8th, 10:46–11:34 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12193 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Mashhad, 1923: Friday 9 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": "1923-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-09", "confidence": "determinate" } ], "quote": "In Mashhad, Govardhana Pūjā 1923 falls on Friday 9 November. Pratipadā runs from 18:52 on Thu 8 Nov to 14:57 on Fri 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19904, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1923-11-08T18:52:51+03:26", "utc": "1923-11-08T15:26:51Z", "ms": -1456302789190.3406 }, "end": { "local": "1923-11-09T14:58:24+03:26", "utc": "1923-11-09T11:32:24Z", "ms": -1456230455656.124 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-08T18:52:51+03:26", "utc": "1923-11-08T15:26:51Z", "ms": -1456302789190.3406 }, "end": { "local": "1923-11-09T14:58:24+03:26", "utc": "1923-11-09T11:32:24Z", "ms": -1456230455656.124 } }, "kaala": "purvahna", "days": [ { "local_date": "1923-11-08", "window": { "start": { "local": "1923-11-08T05:56:37+03:26", "utc": "1923-11-08T02:30:37Z", "ms": -1456349363261.1494 }, "end": { "local": "1923-11-08T09:26:17+03:26", "utc": "1923-11-08T06:00:17Z", "ms": -1456336782850.2195 } }, "covered_min": 0, "window_min": 210, "qualifies": false }, { "local_date": "1923-11-09", "window": { "start": { "local": "1923-11-09T05:57:38+03:26", "utc": "1923-11-09T02:31:38Z", "ms": -1456262902339.7776 }, "end": { "local": "1923-11-09T09:26:40+03:26", "utc": "1923-11-09T06:00:40Z", "ms": -1456250359741.5564 } }, "covered_min": 209, "window_min": 209, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:52 on Thu 8 Nov to 14:57 on Fri 9 Nov.", "fact": "1923-11-08T15:26:51Z → 1923-11-09T11:32:24Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:56–09:25 on the 8th, 05:57–09:26 on the 9th.", "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 210 minutes on the 8th and 209 of 209 on the 9th.", "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 19904 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Mashhad, 1923: Friday 9 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": "1923-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-09", "confidence": "determinate" } ], "quote": "In Mashhad, Dyūta Pratipad 1923 falls on Friday 9 November. Pratipadā runs from 18:52 on Thu 8 Nov to 14:57 on Fri 9 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1259, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1923-11-09T14:58:24+03:26", "utc": "1923-11-09T11:32:24Z", "ms": -1456230455656.124 }, "end": { "local": "1923-11-10T11:14:18+03:26", "utc": "1923-11-10T07:48:18Z", "ms": -1456157501965.653 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-09T14:58:24+03:26", "utc": "1923-11-09T11:32:24Z", "ms": -1456230455656.124 }, "end": { "local": "1923-11-10T11:14:18+03:26", "utc": "1923-11-10T07:48:18Z", "ms": -1456157501965.653 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-11-09", "window": { "start": { "local": "1923-11-09T10:47:12+03:26", "utc": "1923-11-09T07:21:12Z", "ms": -1456245528442.4458 }, "end": { "local": "1923-11-09T11:35:12+03:26", "utc": "1923-11-09T08:09:12Z", "ms": -1456242648442.4458 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-11-10", "window": { "start": { "local": "1923-11-10T10:47:17+03:26", "utc": "1923-11-10T07:21:17Z", "ms": -1456159123395.1357 }, "end": { "local": "1923-11-10T11:35:17+03:26", "utc": "1923-11-10T08:09:17Z", "ms": -1456156243395.1357 } }, "covered_min": 27, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 14:57 on Fri 9 Nov to 11:13 on Sat 10 Nov.", "fact": "1923-11-09T11:32:24Z → 1923-11-10T07:48:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 9th, 10:46–11:34 on the 10th.", "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 9th and 27 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1259 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Mashhad, 1923: Saturday 10 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": "1923-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-10", "confidence": "determinate" } ], "quote": "In Mashhad, Yama Dvitīyā (Bhai Dooj) 1923 falls on Saturday 10 November. Dvitīyā runs from 14:57 on Fri 9 Nov to 11:13 on Sat 10 Nov and covers 27 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10525, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-11-11T07:51:58+03:26", "utc": "1923-11-11T04:25:58Z", "ms": -1456083242449.9465 }, "end": { "local": "1923-11-12T05:01:57+03:26", "utc": "1923-11-12T01:35:57Z", "ms": -1456007042775.057 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-11T07:51:58+03:26", "utc": "1923-11-11T04:25:58Z", "ms": -1456083242449.9465 }, "end": { "local": "1923-11-12T05:01:57+03:26", "utc": "1923-11-12T01:35:57Z", "ms": -1456007042775.057 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-11-11", "window": { "start": { "local": "1923-11-11T10:47:22+03:26", "utc": "1923-11-11T07:21:22Z", "ms": -1456072717505.4106 }, "end": { "local": "1923-11-11T11:35:22+03:26", "utc": "1923-11-11T08:09:22Z", "ms": -1456069837505.4106 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-11-12", "window": { "start": { "local": "1923-11-12T10:47:29+03:26", "utc": "1923-11-12T07:21:29Z", "ms": -1455986310775.9026 }, "end": { "local": "1923-11-12T11:35:29+03:26", "utc": "1923-11-12T08:09:29Z", "ms": -1455983430775.9026 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:51 on Sun 11 Nov to 05:01 on Mon 12 Nov.", "fact": "1923-11-11T04:25:58Z → 1923-11-12T01:35:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 11th, 10:46–11:34 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10525 s" }, { "step": "ruling", "text": "Nāga Caturthī, Mashhad, 1923: Sunday 11 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": "1923-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-11", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Caturthī 1923 falls on Sunday 11 November. Caturthī runs from 07:51 on Sun 11 Nov to 05:01 on Mon 12 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-11-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10525, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-11-11T07:51:58+03:26", "utc": "1923-11-11T04:25:58Z", "ms": -1456083242449.9465 }, "end": { "local": "1923-11-12T05:01:57+03:26", "utc": "1923-11-12T01:35:57Z", "ms": -1456007042775.057 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-11T07:51:58+03:26", "utc": "1923-11-11T04:25:58Z", "ms": -1456083242449.9465 }, "end": { "local": "1923-11-12T05:01:57+03:26", "utc": "1923-11-12T01:35:57Z", "ms": -1456007042775.057 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-11-11", "window": { "start": { "local": "1923-11-11T10:47:22+03:26", "utc": "1923-11-11T07:21:22Z", "ms": -1456072717505.4106 }, "end": { "local": "1923-11-11T11:35:22+03:26", "utc": "1923-11-11T08:09:22Z", "ms": -1456069837505.4106 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-11-12", "window": { "start": { "local": "1923-11-12T10:47:29+03:26", "utc": "1923-11-12T07:21:29Z", "ms": -1455986310775.9026 }, "end": { "local": "1923-11-12T11:35:29+03:26", "utc": "1923-11-12T08:09:29Z", "ms": -1455983430775.9026 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:51 on Sun 11 Nov to 05:01 on Mon 12 Nov.", "fact": "1923-11-11T04:25:58Z → 1923-11-12T01:35:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 11th, 10:46–11:34 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10525 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1923: Sunday 11 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": "1923-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-11", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1923 falls on Sunday 11 November. Caturthī runs from 07:51 on Sun 11 Nov to 05:01 on Mon 12 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-11-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28461, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1923-11-13T02:53:16+03:26", "utc": "1923-11-12T23:27:16Z", "ms": -1455928363767.7512 }, "end": { "local": "1923-11-14T01:32:27+03:26", "utc": "1923-11-13T22:06:27Z", "ms": -1455846813189.2126 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-13T02:53:16+03:26", "utc": "1923-11-12T23:27:16Z", "ms": -1455928363767.7512 }, "end": { "local": "1923-11-14T01:32:27+03:26", "utc": "1923-11-13T22:06:27Z", "ms": -1455846813189.2126 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-11-13", "window": { "start": { "local": "1923-11-13T10:47:37+03:26", "utc": "1923-11-13T07:21:37Z", "ms": -1455899903208.9688 }, "end": { "local": "1923-11-13T11:35:37+03:26", "utc": "1923-11-13T08:09:37Z", "ms": -1455897023208.9688 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-11-14", "window": { "start": { "local": "1923-11-14T10:47:45+03:26", "utc": "1923-11-14T07:21:45Z", "ms": -1455813494806.63 }, "end": { "local": "1923-11-14T11:35:45+03:26", "utc": "1923-11-14T08:09:45Z", "ms": -1455810614806.63 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 02:52 on Tue 13 Nov to 01:31 on Wed 14 Nov.", "fact": "1923-11-12T23:27:16Z → 1923-11-13T22:06:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:47–11:35 on the 13th, 10:47–11:35 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28461 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Mashhad, 1923: Tuesday 13 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": "1923-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-13", "confidence": "determinate" } ], "quote": "In Mashhad, Sūrya Ṣaṣṭhī (Chhath) 1923 falls on Tuesday 13 November. Ṣaṣṭhī runs from 02:52 on Tue 13 Nov to 01:31 on Wed 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33889, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1923-11-15T01:02:42+03:26", "utc": "1923-11-14T21:36:42Z", "ms": -1455762198369.3774 }, "end": { "local": "1923-11-16T01:23:15+03:26", "utc": "1923-11-15T21:57:15Z", "ms": -1455674564999.7344 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-15T01:02:42+03:26", "utc": "1923-11-14T21:36:42Z", "ms": -1455762198369.3774 }, "end": { "local": "1923-11-16T01:23:15+03:26", "utc": "1923-11-15T21:57:15Z", "ms": -1455674564999.7344 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-11-15", "window": { "start": { "local": "1923-11-15T10:47:54+03:26", "utc": "1923-11-15T07:21:54Z", "ms": -1455727085570.704 }, "end": { "local": "1923-11-15T11:35:54+03:26", "utc": "1923-11-15T08:09:54Z", "ms": -1455724205570.704 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-11-16", "window": { "start": { "local": "1923-11-16T10:48:04+03:26", "utc": "1923-11-16T07:22:04Z", "ms": -1455640675503.031 }, "end": { "local": "1923-11-16T11:36:04+03:26", "utc": "1923-11-16T08:10:04Z", "ms": -1455637795503.031 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:02 on Thu 15 Nov to 01:22 on Fri 16 Nov.", "fact": "1923-11-14T21:36:42Z → 1923-11-15T21:57:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:47–11:35 on the 15th, 10:47–11:35 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33889 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Mashhad, 1923: Thursday 15 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": "1923-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-15", "confidence": "determinate" } ], "quote": "In Mashhad, Gopāṣṭamī 1923 falls on Thursday 15 November. Aṣṭamī runs from 01:02 on Thu 15 Nov to 01:22 on Fri 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12991, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1923-11-16T01:23:15+03:26", "utc": "1923-11-15T21:57:15Z", "ms": -1455674564999.7344 }, "end": { "local": "1923-11-17T02:29:17+03:26", "utc": "1923-11-16T23:03:17Z", "ms": -1455584203273.6743 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-16T01:23:15+03:26", "utc": "1923-11-15T21:57:15Z", "ms": -1455674564999.7344 }, "end": { "local": "1923-11-17T02:29:17+03:26", "utc": "1923-11-16T23:03:17Z", "ms": -1455584203273.6743 } }, "kaala": "purvahna", "days": [ { "local_date": "1923-11-16", "window": { "start": { "local": "1923-11-16T06:04:47+03:26", "utc": "1923-11-16T02:38:47Z", "ms": -1455657673428.3752 }, "end": { "local": "1923-11-16T09:29:39+03:26", "utc": "1923-11-16T06:03:39Z", "ms": -1455645381478.1458 } }, "covered_min": 205, "window_min": 205, "qualifies": true }, { "local_date": "1923-11-17", "window": { "start": { "local": "1923-11-17T06:05:48+03:26", "utc": "1923-11-17T02:39:48Z", "ms": -1455571212183.7144 }, "end": { "local": "1923-11-17T09:30:06+03:26", "utc": "1923-11-17T06:04:06Z", "ms": -1455558953798.3748 } }, "covered_min": 0, "window_min": 204, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 01:22 on Fri 16 Nov to 02:28 on Sat 17 Nov.", "fact": "1923-11-15T21:57:15Z → 1923-11-16T23:03:17Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:04–09:29 on the 16th, 06:05–09:29 on the 17th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 205 of 205 minutes on the 16th and 0 of 204 on the 17th.", "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 12991 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Mashhad, 1923: Friday 16 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-16", "confidence": "determinate" } ], "quote": "In Mashhad, Akṣaya Navamī (Amla Navami) 1923 falls on Friday 16 November. Navamī runs from 01:22 on Fri 16 Nov to 02:28 on Sat 17 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29939, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1923-11-16T01:23:15+03:26", "utc": "1923-11-15T21:57:15Z", "ms": -1455674564999.7344 }, "end": { "local": "1923-11-17T02:29:17+03:26", "utc": "1923-11-16T23:03:17Z", "ms": -1455584203273.6743 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-16T01:23:15+03:26", "utc": "1923-11-15T21:57:15Z", "ms": -1455674564999.7344 }, "end": { "local": "1923-11-17T02:29:17+03:26", "utc": "1923-11-16T23:03:17Z", "ms": -1455584203273.6743 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-11-16", "window": { "start": { "local": "1923-11-16T10:48:04+03:26", "utc": "1923-11-16T07:22:04Z", "ms": -1455640675503.031 }, "end": { "local": "1923-11-16T11:36:04+03:26", "utc": "1923-11-16T08:10:04Z", "ms": -1455637795503.031 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-11-17", "window": { "start": { "local": "1923-11-17T10:48:15+03:26", "utc": "1923-11-17T07:22:15Z", "ms": -1455554264605.705 }, "end": { "local": "1923-11-17T11:36:15+03:26", "utc": "1923-11-17T08:10:15Z", "ms": -1455551384605.705 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 01:22 on Fri 16 Nov to 02:28 on Sat 17 Nov.", "fact": "1923-11-15T21:57:15Z → 1923-11-16T23:03:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:47–11:35 on the 16th, 10:47–11:35 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29939 s" }, { "step": "ruling", "text": "Durgā Navamī, Mashhad, 1923: Friday 16 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": "1923-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-16", "confidence": "determinate" } ], "quote": "In Mashhad, Durgā Navamī 1923 falls on Friday 16 November. Navamī runs from 01:22 on Fri 16 Nov to 02:28 on Sat 17 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-11-19", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 895, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-11-18T04:12:32+03:26", "utc": "1923-11-18T00:46:32Z", "ms": -1455491607930.4377 }, "end": { "local": "1923-11-19T06:22:45+03:26", "utc": "1923-11-19T02:56:45Z", "ms": -1455397395281.1296 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-18T04:12:32+03:26", "utc": "1923-11-18T00:46:32Z", "ms": -1455491607930.4377 }, "end": { "local": "1923-11-19T06:22:45+03:26", "utc": "1923-11-19T02:56:45Z", "ms": -1455397395281.1296 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-11-18", "window": { "start": { "local": "1923-11-18T06:06:49+03:26", "utc": "1923-11-18T02:40:49Z", "ms": -1455484751041.9297 }, "end": { "local": "1923-11-18T06:06:49+03:26", "utc": "1923-11-18T02:40:49Z", "ms": -1455484751041.9297 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-11-19", "window": { "start": { "local": "1923-11-19T06:07:50+03:26", "utc": "1923-11-19T02:41:50Z", "ms": -1455398290036.0125 }, "end": { "local": "1923-11-19T06:07:50+03:26", "utc": "1923-11-19T02:41:50Z", "ms": -1455398290036.0125 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:12 on Sun 18 Nov to 06:22 on Mon 19 Nov.", "fact": "1923-11-18T00:46:32Z → 1923-11-19T02:56:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:06 on the 18th and 06:07 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 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 895 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Mashhad, 1923: Monday 19 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-19", "confidence": "determinate" } ], "quote": "In Mashhad, Prabodhinī Ekādaśī 1923 falls on Monday 19 November. Ekādaśī runs from 04:12 on Sun 18 Nov to 06:22 on Mon 19 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-11-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pradosha-vrata?on=1923-11-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17609, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-11-20T08:49:20+03:26", "utc": "1923-11-20T05:23:20Z", "ms": -1455302200219.708 }, "end": { "local": "1923-11-21T11:22:54+03:26", "utc": "1923-11-21T07:56:54Z", "ms": -1455206586170.1497 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-20T08:49:20+03:26", "utc": "1923-11-20T05:23:20Z", "ms": -1455302200219.708 }, "end": { "local": "1923-11-21T11:22:54+03:26", "utc": "1923-11-21T07:56:54Z", "ms": -1455206586170.1497 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-11-20", "window": { "start": { "local": "1923-11-20T16:16:55+03:26", "utc": "1923-11-20T12:50:55Z", "ms": -1455275344729.264 }, "end": { "local": "1923-11-20T18:07:59+03:26", "utc": "1923-11-20T14:41:59Z", "ms": -1455268681241.053 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "1923-11-21", "window": { "start": { "local": "1923-11-21T16:16:23+03:26", "utc": "1923-11-21T12:50:23Z", "ms": -1455188976993.7378 }, "end": { "local": "1923-11-21T18:07:39+03:26", "utc": "1923-11-21T14:41:39Z", "ms": -1455182301151.2966 } }, "covered_min": 0, "window_min": 111, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:48 on Tue 20 Nov to 11:22 on Wed 21 Nov.", "fact": "1923-11-20T05:23:20Z → 1923-11-21T07:56:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:16–18:07 on the 20th, 16:15–18:07 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 111 of 111 minutes on the 20th and 0 of 111 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17609 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1923: Tuesday 20 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-20", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1923 falls on Tuesday 20 November. Trayodaśī runs from 08:48 on Tue 20 Nov to 11:22 on Wed 21 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23185, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-11-22T13:56:06+03:26", "utc": "1923-11-22T10:30:06Z", "ms": -1455110993927.3105 }, "end": { "local": "1923-11-23T16:23:43+03:26", "utc": "1923-11-23T12:57:43Z", "ms": -1455015737398.2095 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-22T13:56:06+03:26", "utc": "1923-11-22T10:30:06Z", "ms": -1455110993927.3105 }, "end": { "local": "1923-11-23T16:23:43+03:26", "utc": "1923-11-23T12:57:43Z", "ms": -1455015737398.2095 } }, "kaala": "nishita", "days": [ { "local_date": "1923-11-22", "window": { "start": { "local": "1923-11-22T22:49:52+03:26", "utc": "1923-11-22T19:23:52Z", "ms": -1455078967729.1628 }, "end": { "local": "1923-11-22T23:37:52+03:26", "utc": "1923-11-22T20:11:52Z", "ms": -1455076087729.1628 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-11-23", "window": { "start": { "local": "1923-11-23T22:50:08+03:26", "utc": "1923-11-23T19:24:08Z", "ms": -1454992552089.235 }, "end": { "local": "1923-11-23T23:38:08+03:26", "utc": "1923-11-23T20:12:08Z", "ms": -1454989672089.235 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:55 on Thu 22 Nov to 16:23 on Fri 23 Nov.", "fact": "1923-11-22T10:30:06Z → 1923-11-23T12:57:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:49–23:37 on the 22nd, 22:49–23:37 on the 23rd.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23185 s" }, { "step": "ruling", "text": "Rāsayātrā, Mashhad, 1923: Thursday 22 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": "1923-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-22", "confidence": "determinate" } ], "quote": "In Mashhad, Rāsayātrā 1923 falls on Thursday 22 November. Pūrṇimā runs from 13:55 on Thu 22 Nov to 16:23 on Fri 23 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8324, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-11-22T13:56:06+03:26", "utc": "1923-11-22T10:30:06Z", "ms": -1455110993927.3105 }, "end": { "local": "1923-11-23T16:23:43+03:26", "utc": "1923-11-23T12:57:43Z", "ms": -1455015737398.2095 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1923-11-22T13:56:06+03:26", "utc": "1923-11-22T10:30:06Z", "ms": -1455110993927.3105 }, "end": { "local": "1923-11-23T16:23:43+03:26", "utc": "1923-11-23T12:57:43Z", "ms": -1455015737398.2095 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-11-22", "window": { "start": { "local": "1923-11-22T10:49:22+03:26", "utc": "1923-11-22T07:23:22Z", "ms": -1455122197787.1316 }, "end": { "local": "1923-11-22T11:37:22+03:26", "utc": "1923-11-22T08:11:22Z", "ms": -1455119317787.1316 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-11-23", "window": { "start": { "local": "1923-11-23T10:49:38+03:26", "utc": "1923-11-23T07:23:38Z", "ms": -1455035781990.272 }, "end": { "local": "1923-11-23T11:37:38+03:26", "utc": "1923-11-23T08:11:38Z", "ms": -1455032901990.272 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:55 on Thu 22 Nov to 16:23 on Fri 23 Nov.", "fact": "1923-11-22T10:30:06Z → 1923-11-23T12:57:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:48–11:36 on the 22nd, 10:49–11:37 on the 23rd.", "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 22nd and 48 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 8324 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Mashhad, 1923: Friday 23 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": "1923-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-23", "confidence": "determinate" } ], "quote": "In Mashhad, Kārtikī Pūrṇimā 1923 falls on Friday 23 November. Pūrṇimā runs from 13:55 on Thu 22 Nov to 16:23 on Fri 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/sankashta-chaturthi?on=1923-11-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14014, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-11-26T22:38:35+03:26", "utc": "1923-11-26T19:12:35Z", "ms": -1454734045224.0813 }, "end": { "local": "1923-11-28T00:09:23+03:26", "utc": "1923-11-27T20:43:23Z", "ms": -1454642196696.0327 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-11-26T22:38:35+03:26", "utc": "1923-11-26T19:12:35Z", "ms": -1454734045224.0813 }, "end": { "local": "1923-11-28T00:09:23+03:26", "utc": "1923-11-27T20:43:23Z", "ms": -1454642196696.0327 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-11-26", "window": { "start": { "local": "1923-11-26T18:45:01+03:26", "utc": "1923-11-26T15:19:01Z", "ms": -1454748059341.5042 }, "end": { "local": "1923-11-26T18:45:01+03:26", "utc": "1923-11-26T15:19:01Z", "ms": -1454748059341.5042 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1923-11-27", "window": { "start": { "local": "1923-11-27T19:36:35+03:26", "utc": "1923-11-27T16:10:35Z", "ms": -1454658565051.5737 }, "end": { "local": "1923-11-27T19:36:35+03:26", "utc": "1923-11-27T16:10:35Z", "ms": -1454658565051.5737 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:38 on Mon 26 Nov to 00:08 on Wed 28 Nov.", "fact": "1923-11-26T19:12:35Z → 1923-11-27T20:43:23Z" }, { "step": "kaala", "text": "Moonrise is at 18:44 on the 26th and 19:36 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 26th and is on the 27th.", "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 14014 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1923: Tuesday 27 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": "1923-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-11-27", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1923 falls on Tuesday 27 November. Caturthī runs from 22:38 on Mon 26 Nov to 00:08 on Wed 28 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/sankashta-chaturthi?on=1923-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/ekadashi?on=1923-12-04", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31119, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-12-03T21:43:44+03:26", "utc": "1923-12-03T18:17:44Z", "ms": -1454132535892.9504 }, "end": { "local": "1923-12-04T19:03:40+03:26", "utc": "1923-12-04T15:37:40Z", "ms": -1454055739900.0332 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-12-03T21:43:44+03:26", "utc": "1923-12-03T18:17:44Z", "ms": -1454132535892.9504 }, "end": { "local": "1923-12-04T19:03:40+03:26", "utc": "1923-12-04T15:37:40Z", "ms": -1454055739900.0332 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-12-04", "window": { "start": { "local": "1923-12-04T06:22:23+03:26", "utc": "1923-12-04T02:56:23Z", "ms": -1454101416576.962 }, "end": { "local": "1923-12-04T06:22:23+03:26", "utc": "1923-12-04T02:56:23Z", "ms": -1454101416576.962 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-12-05", "window": { "start": { "local": "1923-12-05T06:23:17+03:26", "utc": "1923-12-05T02:57:17Z", "ms": -1454014963039.1226 }, "end": { "local": "1923-12-05T06:23:17+03:26", "utc": "1923-12-05T02:57:17Z", "ms": -1454014963039.1226 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:43 on Mon 3 Dec to 19:03 on Tue 4 Dec.", "fact": "1923-12-03T18:17:44Z → 1923-12-04T15:37:40Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 4th and 06:22 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 31119 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Mashhad, 1923: Tuesday 4 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-12-04", "confidence": "determinate" } ], "quote": "In Mashhad, Utpannā Ekādaśī 1923 falls on Tuesday 4 December. Ekādaśī runs from 21:43 on Mon 3 Dec to 19:03 on Tue 4 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-12-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/pradosha-vrata?on=1923-12-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1128, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-12-05T15:53:28+03:26", "utc": "1923-12-05T12:27:28Z", "ms": -1453980752055.171 }, "end": { "local": "1923-12-06T12:21:51+03:26", "utc": "1923-12-06T08:55:51Z", "ms": -1453907048983.6533 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-12-05T15:53:28+03:26", "utc": "1923-12-05T12:27:28Z", "ms": -1453980752055.171 }, "end": { "local": "1923-12-06T12:21:51+03:26", "utc": "1923-12-06T08:55:51Z", "ms": -1453907048983.6533 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-12-05", "window": { "start": { "local": "1923-12-05T16:12:16+03:26", "utc": "1923-12-05T12:46:16Z", "ms": -1453979624482.592 }, "end": { "local": "1923-12-05T18:05:51+03:26", "utc": "1923-12-05T14:39:51Z", "ms": -1453972809266.2427 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "1923-12-06", "window": { "start": { "local": "1923-12-06T16:12:13+03:26", "utc": "1923-12-06T12:46:13Z", "ms": -1453893227019.0815 }, "end": { "local": "1923-12-06T18:05:55+03:26", "utc": "1923-12-06T14:39:55Z", "ms": -1453886404562.4043 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:52 on Wed 5 Dec to 12:21 on Thu 6 Dec.", "fact": "1923-12-05T12:27:28Z → 1923-12-06T08:55:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:11–18:05 on the 5th, 16:11–18:05 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 114 of 114 minutes on the 5th and 0 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 1128 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1923: Wednesday 5 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": "1923-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-12-05", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1923 falls on Wednesday 5 December. Trayodaśī runs from 15:52 on Wed 5 Dec to 12:21 on Thu 6 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/shivaratri?on=1923-12-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32186, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1923-12-06T12:21:51+03:26", "utc": "1923-12-06T08:55:51Z", "ms": -1453907048983.6533 }, "end": { "local": "1923-12-07T08:39:03+03:26", "utc": "1923-12-07T05:13:03Z", "ms": -1453834016629.3767 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-12-06T12:21:51+03:26", "utc": "1923-12-06T08:55:51Z", "ms": -1453907048983.6533 }, "end": { "local": "1923-12-07T08:39:03+03:26", "utc": "1923-12-07T05:13:03Z", "ms": -1453834016629.3767 } }, "kaala": "nishita", "days": [ { "local_date": "1923-12-05", "window": { "start": { "local": "1923-12-05T22:54:13+03:26", "utc": "1923-12-05T19:28:13Z", "ms": -1453955507421.2817 }, "end": { "local": "1923-12-05T23:42:13+03:26", "utc": "1923-12-05T20:16:13Z", "ms": -1453952627421.2817 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-12-06", "window": { "start": { "local": "1923-12-06T22:54:37+03:26", "utc": "1923-12-06T19:28:37Z", "ms": -1453869082806.5417 }, "end": { "local": "1923-12-06T23:42:37+03:26", "utc": "1923-12-06T20:16:37Z", "ms": -1453866202806.5417 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:21 on Thu 6 Dec to 08:38 on Fri 7 Dec.", "fact": "1923-12-06T08:55:51Z → 1923-12-07T05:13:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:53–23:41 on the 5th, 22:54–23:42 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32186 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1923: Thursday 6 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": "1923-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-12-06", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1923 falls on Thursday 6 December. Caturdaśī runs from 12:21 on Thu 6 Dec to 08:38 on Fri 7 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1923/shivaratri?on=1923-12-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-12-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22040, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-12-10T19:42:53+03:26", "utc": "1923-12-10T16:16:53Z", "ms": -1453534987098.938 }, "end": { "local": "1923-12-11T17:51:45+03:26", "utc": "1923-12-11T14:25:45Z", "ms": -1453455255137.9202 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-12-10T19:42:53+03:26", "utc": "1923-12-10T16:16:53Z", "ms": -1453534987098.938 }, "end": { "local": "1923-12-11T17:51:45+03:26", "utc": "1923-12-11T14:25:45Z", "ms": -1453455255137.9202 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-12-10", "window": { "start": { "local": "1923-12-10T10:55:57+03:26", "utc": "1923-12-10T07:29:57Z", "ms": -1453566603096.7954 }, "end": { "local": "1923-12-10T11:43:57+03:26", "utc": "1923-12-10T08:17:57Z", "ms": -1453563723096.7954 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-12-11", "window": { "start": { "local": "1923-12-11T10:56:24+03:26", "utc": "1923-12-11T07:30:24Z", "ms": -1453480175538.788 }, "end": { "local": "1923-12-11T11:44:24+03:26", "utc": "1923-12-11T08:18:24Z", "ms": -1453477295538.788 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:42 on Mon 10 Dec to 17:51 on Tue 11 Dec.", "fact": "1923-12-10T16:16:53Z → 1923-12-11T14:25:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:55–11:43 on the 10th, 10:55–11:43 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22040 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1923: Tuesday 11 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": "1923-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-12-11", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1923 falls on Tuesday 11 December. Caturthī runs from 19:42 on Mon 10 Dec to 17:51 on Tue 11 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/vinayaka-chaturthi?on=1923-12-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18327, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1923-12-11T17:51:45+03:26", "utc": "1923-12-11T14:25:45Z", "ms": -1453455255137.9202 }, "end": { "local": "1923-12-12T16:50:20+03:26", "utc": "1923-12-12T13:24:20Z", "ms": -1453372540232.3115 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-12-11T17:51:45+03:26", "utc": "1923-12-11T14:25:45Z", "ms": -1453455255137.9202 }, "end": { "local": "1923-12-12T16:50:20+03:26", "utc": "1923-12-12T13:24:20Z", "ms": -1453372540232.3115 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-12-11", "window": { "start": { "local": "1923-12-11T10:56:24+03:26", "utc": "1923-12-11T07:30:24Z", "ms": -1453480175538.788 }, "end": { "local": "1923-12-11T11:44:24+03:26", "utc": "1923-12-11T08:18:24Z", "ms": -1453477295538.788 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-12-12", "window": { "start": { "local": "1923-12-12T10:56:52+03:26", "utc": "1923-12-12T07:30:52Z", "ms": -1453393747584.1875 }, "end": { "local": "1923-12-12T11:44:52+03:26", "utc": "1923-12-12T08:18:52Z", "ms": -1453390867584.1875 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:51 on Tue 11 Dec to 16:49 on Wed 12 Dec.", "fact": "1923-12-11T14:25:45Z → 1923-12-12T13:24:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:55–11:43 on the 11th, 10:56–11:44 on the 12th.", "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 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18327 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Mashhad, 1923: Wednesday 12 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": "1923-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-12-12", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Pañcamī (Mārgaśīrṣa) 1923 falls on Wednesday 12 December. Pañcamī runs from 17:51 on Tue 11 Dec to 16:49 on Wed 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17783, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1923-12-12T16:50:20+03:26", "utc": "1923-12-12T13:24:20Z", "ms": -1453372540232.3115 }, "end": { "local": "1923-12-13T16:41:44+03:26", "utc": "1923-12-13T13:15:44Z", "ms": -1453286655918.1338 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-12-12T16:50:20+03:26", "utc": "1923-12-12T13:24:20Z", "ms": -1453372540232.3115 }, "end": { "local": "1923-12-13T16:41:44+03:26", "utc": "1923-12-13T13:15:44Z", "ms": -1453286655918.1338 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-12-12", "window": { "start": { "local": "1923-12-12T10:56:52+03:26", "utc": "1923-12-12T07:30:52Z", "ms": -1453393747584.1875 }, "end": { "local": "1923-12-12T11:44:52+03:26", "utc": "1923-12-12T08:18:52Z", "ms": -1453390867584.1875 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-12-13", "window": { "start": { "local": "1923-12-13T10:57:21+03:26", "utc": "1923-12-13T07:31:21Z", "ms": -1453307319265.9963 }, "end": { "local": "1923-12-13T11:45:21+03:26", "utc": "1923-12-13T08:19:21Z", "ms": -1453304439265.9963 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:49 on Wed 12 Dec to 16:41 on Thu 13 Dec.", "fact": "1923-12-12T13:24:20Z → 1923-12-13T13:15:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 12th, 10:56–11:44 on the 13th.", "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 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17783 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Mashhad, 1923: Thursday 13 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": "1923-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-12-13", "confidence": "determinate" } ], "quote": "In Mashhad, Campā Ṣaṣṭhī 1923 falls on Thursday 13 December. Ṣaṣṭhī runs from 16:49 on Wed 12 Dec to 16:41 on Thu 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17783, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1923-12-12T16:50:20+03:26", "utc": "1923-12-12T13:24:20Z", "ms": -1453372540232.3115 }, "end": { "local": "1923-12-13T16:41:44+03:26", "utc": "1923-12-13T13:15:44Z", "ms": -1453286655918.1338 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-12-12T16:50:20+03:26", "utc": "1923-12-12T13:24:20Z", "ms": -1453372540232.3115 }, "end": { "local": "1923-12-13T16:41:44+03:26", "utc": "1923-12-13T13:15:44Z", "ms": -1453286655918.1338 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-12-12", "window": { "start": { "local": "1923-12-12T10:56:52+03:26", "utc": "1923-12-12T07:30:52Z", "ms": -1453393747584.1875 }, "end": { "local": "1923-12-12T11:44:52+03:26", "utc": "1923-12-12T08:18:52Z", "ms": -1453390867584.1875 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-12-13", "window": { "start": { "local": "1923-12-13T10:57:21+03:26", "utc": "1923-12-13T07:31:21Z", "ms": -1453307319265.9963 }, "end": { "local": "1923-12-13T11:45:21+03:26", "utc": "1923-12-13T08:19:21Z", "ms": -1453304439265.9963 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:49 on Wed 12 Dec to 16:41 on Thu 13 Dec.", "fact": "1923-12-12T13:24:20Z → 1923-12-13T13:15:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 12th, 10:56–11:44 on the 13th.", "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 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17783 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Mashhad, 1923: Thursday 13 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": "1923-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-12-13", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Ṣaṣṭhī 1923 falls on Thursday 13 December. Ṣaṣṭhī runs from 16:49 on Wed 12 Dec to 16:41 on Thu 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17783, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1923-12-13T16:41:44+03:26", "utc": "1923-12-13T13:15:44Z", "ms": -1453286655918.1338 }, "end": { "local": "1923-12-14T17:24:40+03:26", "utc": "1923-12-14T13:58:40Z", "ms": -1453197680109.592 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-12-13T16:41:44+03:26", "utc": "1923-12-13T13:15:44Z", "ms": -1453286655918.1338 }, "end": { "local": "1923-12-14T17:24:40+03:26", "utc": "1923-12-14T13:58:40Z", "ms": -1453197680109.592 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-12-13", "window": { "start": { "local": "1923-12-13T10:57:21+03:26", "utc": "1923-12-13T07:31:21Z", "ms": -1453307319265.9963 }, "end": { "local": "1923-12-13T11:45:21+03:26", "utc": "1923-12-13T08:19:21Z", "ms": -1453304439265.9963 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1923-12-14", "window": { "start": { "local": "1923-12-14T10:57:49+03:26", "utc": "1923-12-14T07:31:49Z", "ms": -1453220890616.597 }, "end": { "local": "1923-12-14T11:45:49+03:26", "utc": "1923-12-14T08:19:49Z", "ms": -1453218010616.597 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:41 on Thu 13 Dec to 17:24 on Fri 14 Dec.", "fact": "1923-12-13T13:15:44Z → 1923-12-14T13:58:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 13th, 10:57–11:45 on the 14th.", "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 13th and 48 of 48 on the 14th.", "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 17783 s" }, { "step": "ruling", "text": "Mitra Saptamī, Mashhad, 1923: Friday 14 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": "1923-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-12-14", "confidence": "determinate" } ], "quote": "In Mashhad, Mitra Saptamī 1923 falls on Friday 14 December. Saptamī runs from 16:41 on Thu 13 Dec to 17:24 on Fri 14 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/ekadashi?on=1923-12-18", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16394, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1923-12-17T23:23:55+03:26", "utc": "1923-12-17T19:57:55Z", "ms": -1452916924921.4631 }, "end": { "local": "1923-12-19T02:00:37+03:26", "utc": "1923-12-18T22:34:37Z", "ms": -1452821122615.095 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-12-17T23:23:55+03:26", "utc": "1923-12-17T19:57:55Z", "ms": -1452916924921.4631 }, "end": { "local": "1923-12-19T02:00:37+03:26", "utc": "1923-12-18T22:34:37Z", "ms": -1452821122615.095 } }, "kaala": "sunrise", "days": [ { "local_date": "1923-12-18", "window": { "start": { "local": "1923-12-18T06:33:15+03:26", "utc": "1923-12-18T03:07:15Z", "ms": -1452891165060.521 }, "end": { "local": "1923-12-18T06:33:15+03:26", "utc": "1923-12-18T03:07:15Z", "ms": -1452891165060.521 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-12-19", "window": { "start": { "local": "1923-12-19T06:33:52+03:26", "utc": "1923-12-19T03:07:52Z", "ms": -1452804728383.94 }, "end": { "local": "1923-12-19T06:33:52+03:26", "utc": "1923-12-19T03:07:52Z", "ms": -1452804728383.94 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:23 on Mon 17 Dec to 02:00 on Wed 19 Dec.", "fact": "1923-12-17T19:57:55Z → 1923-12-18T22:34:37Z" }, { "step": "kaala", "text": "Sunrise is at 06:32 on the 18th and 06:33 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 16394 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Mashhad, 1923: Tuesday 18 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-12-18", "confidence": "determinate" } ], "quote": "In Mashhad, Mokṣadā Ekādaśī 1923 falls on Tuesday 18 December. Ekādaśī runs from 23:23 on Mon 17 Dec to 02:00 on Wed 19 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/ekadashi?on=1923-12-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23105, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1923-12-19T02:00:37+03:26", "utc": "1923-12-18T22:34:37Z", "ms": -1452821122615.095 }, "end": { "local": "1923-12-20T04:35:42+03:26", "utc": "1923-12-20T01:09:42Z", "ms": -1452725418081.2964 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-12-19T02:00:37+03:26", "utc": "1923-12-18T22:34:37Z", "ms": -1452821122615.095 }, "end": { "local": "1923-12-20T04:35:42+03:26", "utc": "1923-12-20T01:09:42Z", "ms": -1452725418081.2964 } }, "kaala": "madhyahna", "days": [ { "local_date": "1923-12-19", "window": { "start": { "local": "1923-12-19T11:00:16+03:26", "utc": "1923-12-19T07:34:16Z", "ms": -1452788743518.3657 }, "end": { "local": "1923-12-19T11:48:16+03:26", "utc": "1923-12-19T08:22:16Z", "ms": -1452785863518.3657 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1923-12-20", "window": { "start": { "local": "1923-12-20T11:00:46+03:26", "utc": "1923-12-20T07:34:46Z", "ms": -1452702313550.4595 }, "end": { "local": "1923-12-20T11:48:46+03:26", "utc": "1923-12-20T08:22:46Z", "ms": -1452699433550.4595 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:00 on Wed 19 Dec to 04:35 on Thu 20 Dec.", "fact": "1923-12-18T22:34:37Z → 1923-12-20T01:09:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 19th, 11:00–11:48 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23105 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Mashhad, 1923: Wednesday 19 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": "1923-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-12-19", "confidence": "determinate" } ], "quote": "In Mashhad, Akhaṇḍa Dvādaśī 1923 falls on Wednesday 19 December. Dvādaśī runs from 02:00 on Wed 19 Dec to 04:35 on Thu 20 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/pradosha-vrata?on=1923-12-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33307, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1923-12-20T04:35:42+03:26", "utc": "1923-12-20T01:09:42Z", "ms": -1452725418081.2964 }, "end": { "local": "1923-12-21T07:00:25+03:26", "utc": "1923-12-21T03:34:25Z", "ms": -1452630334601.207 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-12-20T04:35:42+03:26", "utc": "1923-12-20T01:09:42Z", "ms": -1452725418081.2964 }, "end": { "local": "1923-12-21T07:00:25+03:26", "utc": "1923-12-21T03:34:25Z", "ms": -1452630334601.207 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-12-20", "window": { "start": { "local": "1923-12-20T16:15:06+03:26", "utc": "1923-12-20T12:49:06Z", "ms": -1452683453841.5454 }, "end": { "local": "1923-12-20T18:09:45+03:26", "utc": "1923-12-20T14:43:45Z", "ms": -1452676574625.8308 } }, "covered_min": 115, "window_min": 115, "qualifies": true }, { "local_date": "1923-12-21", "window": { "start": { "local": "1923-12-21T16:15:33+03:26", "utc": "1923-12-21T12:49:33Z", "ms": -1452597027223.307 }, "end": { "local": "1923-12-21T18:10:13+03:26", "utc": "1923-12-21T14:44:13Z", "ms": -1452590147301.7915 } }, "covered_min": 0, "window_min": 115, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:35 on Thu 20 Dec to 06:59 on Fri 21 Dec.", "fact": "1923-12-20T01:09:42Z → 1923-12-21T03:34:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:14–18:09 on the 20th, 16:15–18:09 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 115 of 115 minutes on the 20th and 0 of 115 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 33307 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1923: Thursday 20 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1923-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-12-20", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1923 falls on Thursday 20 December. Trayodaśī runs from 04:35 on Thu 20 Dec to 06:59 on Fri 21 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/pradosha-vrata?on=1923-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1923/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19058, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1923-12-22T09:09:10+03:26", "utc": "1923-12-22T05:43:10Z", "ms": -1452536210332.6763 }, "end": { "local": "1923-12-23T10:58:53+03:26", "utc": "1923-12-23T07:32:53Z", "ms": -1452443226980.9705 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-12-22T09:09:10+03:26", "utc": "1923-12-22T05:43:10Z", "ms": -1452536210332.6763 }, "end": { "local": "1923-12-23T10:58:53+03:26", "utc": "1923-12-23T07:32:53Z", "ms": -1452443226980.9705 } }, "kaala": "pradosha", "days": [ { "local_date": "1923-12-22", "window": { "start": { "local": "1923-12-22T16:16:01+03:26", "utc": "1923-12-22T12:50:01Z", "ms": -1452510598825.7532 }, "end": { "local": "1923-12-22T18:10:41+03:26", "utc": "1923-12-22T14:44:41Z", "ms": -1452503718656.64 } }, "covered_min": 115, "window_min": 115, "qualifies": true }, { "local_date": "1923-12-23", "window": { "start": { "local": "1923-12-23T16:16:31+03:26", "utc": "1923-12-23T12:50:31Z", "ms": -1452424168678.0447 }, "end": { "local": "1923-12-23T18:11:11+03:26", "utc": "1923-12-23T14:45:11Z", "ms": -1452417288719.8447 } }, "covered_min": 0, "window_min": 115, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:08 on Sat 22 Dec to 10:58 on Sun 23 Dec.", "fact": "1923-12-22T05:43:10Z → 1923-12-23T07:32:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:15–18:10 on the 22nd, 16:16–18:10 on the 23rd.", "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 22nd and 0 of 115 on the 23rd.", "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 19058 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Mashhad, 1923: Saturday 22 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": "1923-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-12-22", "confidence": "determinate" } ], "quote": "In Mashhad, Dattātreyotpatti (Datta Jayanti) 1923 falls on Saturday 22 December. Pūrṇimā runs from 09:08 on Sat 22 Dec to 10:58 on Sun 23 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1923/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": "/mashhad/festivals/1923/sankashta-chaturthi?on=1923-12-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1923, "local_date": "1923-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18043, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1923-12-26T14:23:05+03:26", "utc": "1923-12-26T10:57:05Z", "ms": -1452171774563.4263 }, "end": { "local": "1923-12-27T14:46:18+03:26", "utc": "1923-12-27T11:20:18Z", "ms": -1452083982057.1667 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1923-12-26T14:23:05+03:26", "utc": "1923-12-26T10:57:05Z", "ms": -1452171774563.4263 }, "end": { "local": "1923-12-27T14:46:18+03:26", "utc": "1923-12-27T11:20:18Z", "ms": -1452083982057.1667 } }, "kaala": "moonrise", "days": [ { "local_date": "1923-12-26", "window": { "start": { "local": "1923-12-26T19:23:48+03:26", "utc": "1923-12-26T15:57:48Z", "ms": -1452153731579.2039 }, "end": { "local": "1923-12-26T19:23:48+03:26", "utc": "1923-12-26T15:57:48Z", "ms": -1452153731579.2039 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1923-12-27", "window": { "start": { "local": "1923-12-27T20:23:19+03:26", "utc": "1923-12-27T16:57:19Z", "ms": -1452063760967.5413 }, "end": { "local": "1923-12-27T20:23:19+03:26", "utc": "1923-12-27T16:57:19Z", "ms": -1452063760967.5413 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:22 on Wed 26 Dec to 14:45 on Thu 27 Dec.", "fact": "1923-12-26T10:57:05Z → 1923-12-27T11:20:18Z" }, { "step": "kaala", "text": "Moonrise is at 19:23 on the 26th and 20:22 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 26th and is not on the 27th.", "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 18043 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1923: Wednesday 26 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": "1923-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1923-12-26", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1923 falls on Wednesday 26 December. Caturthī runs from 14:22 on Wed 26 Dec to 14:45 on Thu 27 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1923/sankashta-chaturthi?on=1923-12-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }